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comctl32/treeview: Store item state supplied from TVN_GETDISPINFO handler.
[wine/multimedia.git] / dlls / comctl32 / treeview.c
blob453985ad23aae38f71e3c1a325d41c975d4ac8d0
1 /* Treeview control
2 *
3 * Copyright 1998 Eric Kohl <ekohl@abo.rhein-zeitung.de>
4 * Copyright 1998,1999 Alex Priem <alexp@sci.kun.nl>
5 * Copyright 1999 Sylvain St-Germain
6 * Copyright 2002 CodeWeavers, Aric Stewart
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 *
22 * NOTES
23 *
24 * Note that TREEVIEW_INFO * and HTREEITEM are the same thing.
25 *
26 * Note2: If item's text == LPSTR_TEXTCALLBACKA we allocate buffer
27 * of size TEXT_CALLBACK_SIZE in DoSetItem.
28 * We use callbackMask to keep track of fields to be updated.
29 *
30 * TODO:
31 * missing notifications: TVN_GETINFOTIP, TVN_KEYDOWN,
32 * TVN_SETDISPINFO, TVN_SINGLEEXPAND
33 *
34 * missing styles: TVS_FULLROWSELECT, TVS_INFOTIP, TVS_RTLREADING,
35 *
36 * missing item styles: TVIS_CUT, TVIS_EXPANDPARTIAL, TVIS_EX_FLAT,
37 * TVIS_EX_DISABLED
38 *
39 * Make the insertion mark look right.
40 * Scroll (instead of repaint) as much as possible.
41 */
42
43 #include "config.h"
44 #include "wine/port.h"
45
46 #include <assert.h>
47 #include <ctype.h>
48 #include <stdarg.h>
49 #include <string.h>
50 #include <limits.h>
51 #include <stdlib.h>
52
53 #define NONAMELESSUNION
54 #define NONAMELESSSTRUCT
55 #include "windef.h"
56 #include "winbase.h"
57 #include "wingdi.h"
58 #include "winuser.h"
59 #include "winnls.h"
60 #include "commctrl.h"
61 #include "comctl32.h"
62 #include "uxtheme.h"
63 #include "tmschema.h"
64 #include "wine/unicode.h"
65 #include "wine/debug.h"
66
67 WINE_DEFAULT_DEBUG_CHANNEL(treeview);
68
69 /* internal structures */
70
71 typedef struct _TREEITEM /* HTREEITEM is a _TREEINFO *. */
72 {
73 HTREEITEM parent; /* handle to parent or 0 if at root */
74 HTREEITEM nextSibling; /* handle to next item in list, 0 if last */
75 HTREEITEM firstChild; /* handle to first child or 0 if no child */
76
77 UINT callbackMask;
78 UINT state;
79 UINT stateMask;
80 LPWSTR pszText;
81 int cchTextMax;
82 int iImage;
83 int iSelectedImage;
84 int iExpandedImage;
85 int cChildren;
86 LPARAM lParam;
87 int iIntegral; /* item height multiplier (1 is normal) */
88 int iLevel; /* indentation level:0=root level */
89 HTREEITEM lastChild;
90 HTREEITEM prevSibling; /* handle to prev item in list, 0 if first */
91 RECT rect;
92 LONG linesOffset;
93 LONG stateOffset;
94 LONG imageOffset;
95 LONG textOffset;
96 LONG textWidth; /* horizontal text extent for pszText */
97 LONG visibleOrder; /* visible ordering, 0 is first visible item */
98 } TREEVIEW_ITEM;
99
100
101 typedef struct tagTREEVIEW_INFO
102 {
103 HWND hwnd;
104 HWND hwndNotify; /* Owner window to send notifications to */
105 DWORD dwStyle;
106 HTREEITEM root;
107 UINT uInternalStatus;
108 INT Timer;
109 UINT uNumItems; /* number of valid TREEVIEW_ITEMs */
110 INT cdmode; /* last custom draw setting */
111 UINT uScrollTime; /* max. time for scrolling in milliseconds */
112 BOOL bRedraw; /* if FALSE we validate but don't redraw in TREEVIEW_Paint() */
113
114 UINT uItemHeight; /* item height */
115 BOOL bHeightSet;
116
117 LONG clientWidth; /* width of control window */
118 LONG clientHeight; /* height of control window */
119
120 LONG treeWidth; /* width of visible tree items */
121 LONG treeHeight; /* height of visible tree items */
122
123 UINT uIndent; /* indentation in pixels */
124 HTREEITEM selectedItem; /* handle to selected item or 0 if none */
125 HTREEITEM hotItem; /* handle currently under cursor, 0 if none */
126 HTREEITEM focusedItem; /* item that was under the cursor when WM_LBUTTONDOWN was received */
127 HTREEITEM editItem; /* item being edited with builtin edit box */
128
129 HTREEITEM firstVisible; /* handle to first visible item */
130 LONG maxVisibleOrder;
131 HTREEITEM dropItem; /* handle to item selected by drag cursor */
132 HTREEITEM insertMarkItem; /* item after which insertion mark is placed */
133 BOOL insertBeforeorAfter; /* flag used by TVM_SETINSERTMARK */
134 HIMAGELIST dragList; /* Bitmap of dragged item */
135 LONG scrollX;
136 COLORREF clrBk;
137 COLORREF clrText;
138 COLORREF clrLine;
139 COLORREF clrInsertMark;
140 HFONT hFont;
141 HFONT hDefaultFont;
142 HFONT hBoldFont;
143 HFONT hUnderlineFont;
144 HCURSOR hcurHand;
145 HWND hwndToolTip;
146
147 HWND hwndEdit;
148 WNDPROC wpEditOrig; /* orig window proc for subclassing edit */
149 BOOL bIgnoreEditKillFocus;
150 BOOL bLabelChanged;
151
152 BOOL bNtfUnicode; /* TRUE if should send NOTIFY with W */
153 HIMAGELIST himlNormal;
154 int normalImageHeight;
155 int normalImageWidth;
156 HIMAGELIST himlState;
157 int stateImageHeight;
158 int stateImageWidth;
159 HDPA items;
160
161 DWORD lastKeyPressTimestamp;
162 WPARAM charCode;
163 INT nSearchParamLength;
164 WCHAR szSearchParam[ MAX_PATH ];
165 } TREEVIEW_INFO;
166
167
168 /******** Defines that TREEVIEW_ProcessLetterKeys uses ****************/
169 #define KEY_DELAY 450
170
171 /* bitflags for infoPtr->uInternalStatus */
172
173 #define TV_HSCROLL 0x01 /* treeview too large to fit in window */
174 #define TV_VSCROLL 0x02 /* (horizontal/vertical) */
175 #define TV_LDRAG 0x04 /* Lbutton pushed to start drag */
176 #define TV_LDRAGGING 0x08 /* Lbutton pushed, mouse moved. */
177 #define TV_RDRAG 0x10 /* ditto Rbutton */
178 #define TV_RDRAGGING 0x20
179
180 /* bitflags for infoPtr->timer */
181
182 #define TV_EDIT_TIMER 2
183 #define TV_EDIT_TIMER_SET 2
184
185 #define TEXT_CALLBACK_SIZE 260
186
187 #define TREEVIEW_LEFT_MARGIN 8
188
189 #define MINIMUM_INDENT 19
190
191 #define CALLBACK_MASK_ALL (TVIF_TEXT|TVIF_CHILDREN|TVIF_IMAGE|TVIF_SELECTEDIMAGE)
192
193 #define STATEIMAGEINDEX(x) (((x) >> 12) & 0x0f)
194 #define OVERLAYIMAGEINDEX(x) (((x) >> 8) & 0x0f)
195 #define ISVISIBLE(x) ((x)->visibleOrder >= 0)
196
197 #define GETLINECOLOR(x) ((x) == CLR_DEFAULT ? comctl32_color.clrGrayText : (x))
198 #define GETBKCOLOR(x) ((x) == CLR_NONE ? comctl32_color.clrWindow : (x))
199 #define GETTXTCOLOR(x) ((x) == CLR_NONE ? comctl32_color.clrWindowText : (x))
200 #define GETINSCOLOR(x) ((x) == CLR_DEFAULT ? comctl32_color.clrBtnText : (x))
201
202 static const WCHAR themeClass[] = { 'T','r','e','e','v','i','e','w',0 };
203
204
205 typedef VOID (*TREEVIEW_ItemEnumFunc)(TREEVIEW_INFO *, TREEVIEW_ITEM *,LPVOID);
206
207
208 static VOID TREEVIEW_Invalidate(const TREEVIEW_INFO *, const TREEVIEW_ITEM *);
209
210 static LRESULT TREEVIEW_DoSelectItem(TREEVIEW_INFO *, INT, HTREEITEM, INT);
211 static VOID TREEVIEW_SetFirstVisible(TREEVIEW_INFO *, TREEVIEW_ITEM *, BOOL);
212 static LRESULT TREEVIEW_EnsureVisible(TREEVIEW_INFO *, HTREEITEM, BOOL);
213 static LRESULT TREEVIEW_RButtonUp(const TREEVIEW_INFO *, const POINT *);
214 static LRESULT TREEVIEW_EndEditLabelNow(TREEVIEW_INFO *infoPtr, BOOL bCancel);
215 static VOID TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr);
216 static LRESULT TREEVIEW_HScroll(TREEVIEW_INFO *, WPARAM);
217
218 /* Random Utilities *****************************************************/
219 static void TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr);
220
221 /* Returns the treeview private data if hwnd is a treeview.
222 * Otherwise returns an undefined value. */
223 static inline TREEVIEW_INFO *
224 TREEVIEW_GetInfoPtr(HWND hwnd)
225 {
226 return (TREEVIEW_INFO *)GetWindowLongPtrW(hwnd, 0);
227 }
228
229 /* Don't call this. Nothing wants an item index. */
230 static inline int
231 TREEVIEW_GetItemIndex(const TREEVIEW_INFO *infoPtr, HTREEITEM handle)
232 {
233 return DPA_GetPtrIndex(infoPtr->items, handle);
234 }
235
236 /* Checks if item has changed and needs to be redrawn */
237 static inline BOOL item_changed (const TREEVIEW_ITEM *tiOld, const TREEVIEW_ITEM *tiNew,
238 const TVITEMEXW *tvChange)
239 {
240 /* Number of children has changed */
241 if ((tvChange->mask & TVIF_CHILDREN) && (tiOld->cChildren != tiNew->cChildren))
242 return TRUE;
243
244 /* Image has changed and it's not a callback */
245 if ((tvChange->mask & TVIF_IMAGE) && (tiOld->iImage != tiNew->iImage) &&
246 tiNew->iImage != I_IMAGECALLBACK)
247 return TRUE;
248
249 /* Selected image has changed and it's not a callback */
250 if ((tvChange->mask & TVIF_SELECTEDIMAGE) && (tiOld->iSelectedImage != tiNew->iSelectedImage) &&
251 tiNew->iSelectedImage != I_IMAGECALLBACK)
252 return TRUE;
253
254 if ((tvChange->mask & TVIF_EXPANDEDIMAGE) && (tiOld->iExpandedImage != tiNew->iExpandedImage) &&
255 tiNew->iExpandedImage != I_IMAGECALLBACK)
256 return TRUE;
257
258 /* Text has changed and it's not a callback */
259 if ((tvChange->mask & TVIF_TEXT) && (tiOld->pszText != tiNew->pszText) &&
260 tiNew->pszText != LPSTR_TEXTCALLBACKW)
261 return TRUE;
262
263 /* Indent has changed */
264 if ((tvChange->mask & TVIF_INTEGRAL) && (tiOld->iIntegral != tiNew->iIntegral))
265 return TRUE;
266
267 /* Item state has changed */
268 if ((tvChange->mask & TVIF_STATE) && ((tiOld->state ^ tiNew->state) & tvChange->stateMask ))
269 return TRUE;
270
271 return FALSE;
272 }
273
274 /***************************************************************************
275 * This method checks that handle is an item for this tree.
276 */
277 static BOOL
278 TREEVIEW_ValidItem(const TREEVIEW_INFO *infoPtr, HTREEITEM handle)
279 {
280 if (TREEVIEW_GetItemIndex(infoPtr, handle) == -1)
281 {
282 TRACE("invalid item %p\n", handle);
283 return FALSE;
284 }
285 else
286 return TRUE;
287 }
288
289 static HFONT
290 TREEVIEW_CreateBoldFont(HFONT hOrigFont)
291 {
292 LOGFONTW font;
293
294 GetObjectW(hOrigFont, sizeof(font), &font);
295 font.lfWeight = FW_BOLD;
296 return CreateFontIndirectW(&font);
297 }
298
299 static HFONT
300 TREEVIEW_CreateUnderlineFont(HFONT hOrigFont)
301 {
302 LOGFONTW font;
303
304 GetObjectW(hOrigFont, sizeof(font), &font);
305 font.lfUnderline = TRUE;
306 return CreateFontIndirectW(&font);
307 }
308
309 static inline HFONT
310 TREEVIEW_FontForItem(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
311 {
312 if ((infoPtr->dwStyle & TVS_TRACKSELECT) && (item == infoPtr->hotItem))
313 return infoPtr->hUnderlineFont;
314 if (item->state & TVIS_BOLD)
315 return infoPtr->hBoldFont;
316 return infoPtr->hFont;
317 }
318
319 /* for trace/debugging purposes only */
320 static const char *
321 TREEVIEW_ItemName(const TREEVIEW_ITEM *item)
322 {
323 if (item == NULL) return "<null item>";
324 if (item->pszText == LPSTR_TEXTCALLBACKW) return "<callback>";
325 if (item->pszText == NULL) return "<null>";
326 return debugstr_w(item->pszText);
327 }
328
329 /* An item is not a child of itself. */
330 static BOOL
331 TREEVIEW_IsChildOf(const TREEVIEW_ITEM *parent, const TREEVIEW_ITEM *child)
332 {
333 do
334 {
335 child = child->parent;
336 if (child == parent) return TRUE;
337 } while (child != NULL);
338
339 return FALSE;
340 }
341
342
343 /* Tree Traversal *******************************************************/
344
345 /***************************************************************************
346 * This method returns the last expanded sibling or child child item
347 * of a tree node
348 */
349 static TREEVIEW_ITEM *
350 TREEVIEW_GetLastListItem(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
351 {
352 if (!wineItem)
353 return NULL;
354
355 while (wineItem->lastChild)
356 {
357 if (wineItem->state & TVIS_EXPANDED)
358 wineItem = wineItem->lastChild;
359 else
360 break;
361 }
362
363 if (wineItem == infoPtr->root)
364 return NULL;
365
366 return wineItem;
367 }
368
369 /***************************************************************************
370 * This method returns the previous non-hidden item in the list not
371 * considering the tree hierarchy.
372 */
373 static TREEVIEW_ITEM *
374 TREEVIEW_GetPrevListItem(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *tvItem)
375 {
376 if (tvItem->prevSibling)
377 {
378 /* This item has a prevSibling, get the last item in the sibling's tree. */
379 TREEVIEW_ITEM *upItem = tvItem->prevSibling;
380
381 if ((upItem->state & TVIS_EXPANDED) && upItem->lastChild != NULL)
382 return TREEVIEW_GetLastListItem(infoPtr, upItem->lastChild);
383 else
384 return upItem;
385 }
386 else
387 {
388 /* this item does not have a prevSibling, get the parent */
389 return (tvItem->parent != infoPtr->root) ? tvItem->parent : NULL;
390 }
391 }
392
393
394 /***************************************************************************
395 * This method returns the next physical item in the treeview not
396 * considering the tree hierarchy.
397 */
398 static TREEVIEW_ITEM *
399 TREEVIEW_GetNextListItem(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *tvItem)
400 {
401 /*
402 * If this item has children and is expanded, return the first child
403 */
404 if ((tvItem->state & TVIS_EXPANDED) && tvItem->firstChild != NULL)
405 {
406 return tvItem->firstChild;
407 }
408
409
410 /*
411 * try to get the sibling
412 */
413 if (tvItem->nextSibling)
414 return tvItem->nextSibling;
415
416 /*
417 * Otherwise, get the parent's sibling.
418 */
419 while (tvItem->parent)
420 {
421 tvItem = tvItem->parent;
422
423 if (tvItem->nextSibling)
424 return tvItem->nextSibling;
425 }
426
427 return NULL;
428 }
429
430 /***************************************************************************
431 * This method returns the nth item starting at the given item. It returns
432 * the last item (or first) we we run out of items.
433 *
434 * Will scroll backward if count is <0.
435 * forward if count is >0.
436 */
437 static TREEVIEW_ITEM *
438 TREEVIEW_GetListItem(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
439 LONG count)
440 {
441 TREEVIEW_ITEM *(*next_item)(const TREEVIEW_INFO *, const TREEVIEW_ITEM *);
442 TREEVIEW_ITEM *previousItem;
443
444 assert(wineItem != NULL);
445
446 if (count > 0)
447 {
448 next_item = TREEVIEW_GetNextListItem;
449 }
450 else if (count < 0)
451 {
452 count = -count;
453 next_item = TREEVIEW_GetPrevListItem;
454 }
455 else
456 return wineItem;
457
458 do
459 {
460 previousItem = wineItem;
461 wineItem = next_item(infoPtr, wineItem);
462
463 } while (--count && wineItem != NULL);
464
465
466 return wineItem ? wineItem : previousItem;
467 }
468
469 /* Notifications ************************************************************/
470
471 static INT get_notifycode(const TREEVIEW_INFO *infoPtr, INT code)
472 {
473 if (!infoPtr->bNtfUnicode) {
474 switch (code) {
475 case TVN_SELCHANGINGW: return TVN_SELCHANGINGA;
476 case TVN_SELCHANGEDW: return TVN_SELCHANGEDA;
477 case TVN_GETDISPINFOW: return TVN_GETDISPINFOA;
478 case TVN_SETDISPINFOW: return TVN_SETDISPINFOA;
479 case TVN_ITEMEXPANDINGW: return TVN_ITEMEXPANDINGA;
480 case TVN_ITEMEXPANDEDW: return TVN_ITEMEXPANDEDA;
481 case TVN_BEGINDRAGW: return TVN_BEGINDRAGA;
482 case TVN_BEGINRDRAGW: return TVN_BEGINRDRAGA;
483 case TVN_DELETEITEMW: return TVN_DELETEITEMA;
484 case TVN_BEGINLABELEDITW: return TVN_BEGINLABELEDITA;
485 case TVN_ENDLABELEDITW: return TVN_ENDLABELEDITA;
486 case TVN_GETINFOTIPW: return TVN_GETINFOTIPA;
487 }
488 }
489 return code;
490 }
491
492 static inline BOOL
493 TREEVIEW_SendRealNotify(const TREEVIEW_INFO *infoPtr, WPARAM wParam, LPNMHDR pnmh)
494 {
495 TRACE("wParam=%ld, lParam=%p\n", wParam, pnmh);
496 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, wParam, (LPARAM)pnmh);
497 }
498
499 static BOOL
500 TREEVIEW_SendSimpleNotify(const TREEVIEW_INFO *infoPtr, UINT code)
501 {
502 NMHDR nmhdr;
503 HWND hwnd = infoPtr->hwnd;
504
505 TRACE("%d\n", code);
506 nmhdr.hwndFrom = hwnd;
507 nmhdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
508 nmhdr.code = get_notifycode(infoPtr, code);
509
510 return TREEVIEW_SendRealNotify(infoPtr, nmhdr.idFrom, &nmhdr);
511 }
512
513 static VOID
514 TREEVIEW_TVItemFromItem(const TREEVIEW_INFO *infoPtr, UINT mask, TVITEMW *tvItem, TREEVIEW_ITEM *item)
515 {
516 tvItem->mask = mask;
517 tvItem->hItem = item;
518 tvItem->state = item->state;
519 tvItem->stateMask = 0;
520 tvItem->iImage = item->iImage;
521 tvItem->iSelectedImage = item->iSelectedImage;
522 tvItem->cChildren = item->cChildren;
523 tvItem->lParam = item->lParam;
524
525 if(mask & TVIF_TEXT)
526 {
527 if (!infoPtr->bNtfUnicode)
528 {
529 tvItem->cchTextMax = WideCharToMultiByte( CP_ACP, 0, item->pszText, -1, NULL, 0, NULL, NULL );
530 tvItem->pszText = Alloc (tvItem->cchTextMax);
531 WideCharToMultiByte( CP_ACP, 0, item->pszText, -1, (LPSTR)tvItem->pszText, tvItem->cchTextMax, 0, 0 );
532 }
533 else
534 {
535 tvItem->cchTextMax = item->cchTextMax;
536 tvItem->pszText = item->pszText;
537 }
538 }
539 else
540 {
541 tvItem->cchTextMax = 0;
542 tvItem->pszText = NULL;
543 }
544 }
545
546 static BOOL
547 TREEVIEW_SendTreeviewNotify(const TREEVIEW_INFO *infoPtr, UINT code, UINT action,
548 UINT mask, HTREEITEM oldItem, HTREEITEM newItem)
549 {
550 HWND hwnd = infoPtr->hwnd;
551 NMTREEVIEWW nmhdr;
552 BOOL ret;
553
554 TRACE("code:%d action:%x olditem:%p newitem:%p\n",
555 code, action, oldItem, newItem);
556
557 ZeroMemory(&nmhdr, sizeof(NMTREEVIEWW));
558
559 nmhdr.hdr.hwndFrom = hwnd;
560 nmhdr.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
561 nmhdr.hdr.code = get_notifycode(infoPtr, code);
562 nmhdr.action = action;
563
564 if (oldItem)
565 TREEVIEW_TVItemFromItem(infoPtr, mask, &nmhdr.itemOld, oldItem);
566
567 if (newItem)
568 TREEVIEW_TVItemFromItem(infoPtr, mask, &nmhdr.itemNew, newItem);
569
570 nmhdr.ptDrag.x = 0;
571 nmhdr.ptDrag.y = 0;
572
573 ret = TREEVIEW_SendRealNotify(infoPtr, nmhdr.hdr.idFrom, &nmhdr.hdr);
574 if (!infoPtr->bNtfUnicode)
575 {
576 Free(nmhdr.itemOld.pszText);
577 Free(nmhdr.itemNew.pszText);
578 }
579 return ret;
580 }
581
582 static BOOL
583 TREEVIEW_SendTreeviewDnDNotify(const TREEVIEW_INFO *infoPtr, UINT code,
584 HTREEITEM dragItem, POINT pt)
585 {
586 HWND hwnd = infoPtr->hwnd;
587 NMTREEVIEWW nmhdr;
588
589 TRACE("code:%d dragitem:%p\n", code, dragItem);
590
591 nmhdr.hdr.hwndFrom = hwnd;
592 nmhdr.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
593 nmhdr.hdr.code = get_notifycode(infoPtr, code);
594 nmhdr.action = 0;
595 nmhdr.itemNew.mask = TVIF_STATE | TVIF_PARAM | TVIF_HANDLE;
596 nmhdr.itemNew.hItem = dragItem;
597 nmhdr.itemNew.state = dragItem->state;
598 nmhdr.itemNew.lParam = dragItem->lParam;
599
600 nmhdr.ptDrag.x = pt.x;
601 nmhdr.ptDrag.y = pt.y;
602
603 return TREEVIEW_SendRealNotify(infoPtr, nmhdr.hdr.idFrom, &nmhdr.hdr);
604 }
605
606
607 static BOOL
608 TREEVIEW_SendCustomDrawNotify(const TREEVIEW_INFO *infoPtr, DWORD dwDrawStage,
609 HDC hdc, RECT rc)
610 {
611 HWND hwnd = infoPtr->hwnd;
612 NMTVCUSTOMDRAW nmcdhdr;
613 LPNMCUSTOMDRAW nmcd;
614
615 TRACE("drawstage:%x hdc:%p\n", dwDrawStage, hdc);
616
617 nmcd = &nmcdhdr.nmcd;
618 nmcd->hdr.hwndFrom = hwnd;
619 nmcd->hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
620 nmcd->hdr.code = NM_CUSTOMDRAW;
621 nmcd->dwDrawStage = dwDrawStage;
622 nmcd->hdc = hdc;
623 nmcd->rc = rc;
624 nmcd->dwItemSpec = 0;
625 nmcd->uItemState = 0;
626 nmcd->lItemlParam = 0;
627 nmcdhdr.clrText = infoPtr->clrText;
628 nmcdhdr.clrTextBk = infoPtr->clrBk;
629 nmcdhdr.iLevel = 0;
630
631 return TREEVIEW_SendRealNotify(infoPtr, nmcd->hdr.idFrom, &nmcdhdr.nmcd.hdr);
632 }
633
634
635
636 /* FIXME: need to find out when the flags in uItemState need to be set */
637
638 static BOOL
639 TREEVIEW_SendCustomDrawItemNotify(const TREEVIEW_INFO *infoPtr, HDC hdc,
640 TREEVIEW_ITEM *wineItem, UINT uItemDrawState,
641 NMTVCUSTOMDRAW *nmcdhdr)
642 {
643 HWND hwnd = infoPtr->hwnd;
644 LPNMCUSTOMDRAW nmcd;
645 DWORD dwDrawStage;
646 DWORD_PTR dwItemSpec;
647 UINT uItemState;
648
649 dwDrawStage = CDDS_ITEM | uItemDrawState;
650 dwItemSpec = (DWORD_PTR)wineItem;
651 uItemState = 0;
652 if (wineItem->state & TVIS_SELECTED)
653 uItemState |= CDIS_SELECTED;
654 if (wineItem == infoPtr->selectedItem)
655 uItemState |= CDIS_FOCUS;
656 if (wineItem == infoPtr->hotItem)
657 uItemState |= CDIS_HOT;
658
659 nmcd = &nmcdhdr->nmcd;
660 nmcd->hdr.hwndFrom = hwnd;
661 nmcd->hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
662 nmcd->hdr.code = NM_CUSTOMDRAW;
663 nmcd->dwDrawStage = dwDrawStage;
664 nmcd->hdc = hdc;
665 nmcd->rc = wineItem->rect;
666 nmcd->dwItemSpec = dwItemSpec;
667 nmcd->uItemState = uItemState;
668 nmcd->lItemlParam = wineItem->lParam;
669 nmcdhdr->iLevel = wineItem->iLevel;
670
671 TRACE("drawstage:%x hdc:%p item:%lx, itemstate:%x, lItemlParam:%lx\n",
672 nmcd->dwDrawStage, nmcd->hdc, nmcd->dwItemSpec,
673 nmcd->uItemState, nmcd->lItemlParam);
674
675 return TREEVIEW_SendRealNotify(infoPtr, nmcd->hdr.idFrom, &nmcdhdr->nmcd.hdr);
676 }
677
678 static BOOL
679 TREEVIEW_BeginLabelEditNotify(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *editItem)
680 {
681 HWND hwnd = infoPtr->hwnd;
682 NMTVDISPINFOW tvdi;
683 BOOL ret;
684
685 tvdi.hdr.hwndFrom = hwnd;
686 tvdi.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
687 tvdi.hdr.code = get_notifycode(infoPtr, TVN_BEGINLABELEDITW);
688
689 TREEVIEW_TVItemFromItem(infoPtr, TVIF_HANDLE | TVIF_STATE | TVIF_PARAM | TVIF_TEXT,
690 &tvdi.item, editItem);
691
692 ret = TREEVIEW_SendRealNotify(infoPtr, tvdi.hdr.idFrom, &tvdi.hdr);
693
694 if (!infoPtr->bNtfUnicode)
695 Free(tvdi.item.pszText);
696
697 return ret;
698 }
699
700 static void
701 TREEVIEW_UpdateDispInfo(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
702 UINT mask)
703 {
704 NMTVDISPINFOEXW callback;
705 HWND hwnd = infoPtr->hwnd;
706
707 TRACE("mask=0x%x, callbackmask=0x%x\n", mask, wineItem->callbackMask);
708 mask &= wineItem->callbackMask;
709
710 if (mask == 0) return;
711
712 callback.hdr.hwndFrom = hwnd;
713 callback.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
714 callback.hdr.code = get_notifycode(infoPtr, TVN_GETDISPINFOW);
715
716 /* 'state' always contains valid value, as well as 'lParam'.
717 * All other parameters are uninitialized.
718 */
719 callback.item.pszText = wineItem->pszText;
720 callback.item.cchTextMax = wineItem->cchTextMax;
721 callback.item.mask = mask;
722 callback.item.hItem = wineItem;
723 callback.item.state = wineItem->state;
724 callback.item.lParam = wineItem->lParam;
725
726 /* If text is changed we need to recalculate textWidth */
727 if (mask & TVIF_TEXT)
728 wineItem->textWidth = 0;
729
730 TREEVIEW_SendRealNotify(infoPtr, callback.hdr.idFrom, &callback.hdr);
731 TRACE("resulting code 0x%08x\n", callback.hdr.code);
732
733 /* It may have changed due to a call to SetItem. */
734 mask &= wineItem->callbackMask;
735
736 if ((mask & TVIF_TEXT) && callback.item.pszText != wineItem->pszText)
737 {
738 /* Instead of copying text into our buffer user specified his own */
739 if (!infoPtr->bNtfUnicode && (callback.hdr.code == TVN_GETDISPINFOA)) {
740 LPWSTR newText;
741 int buflen;
742 int len = MultiByteToWideChar( CP_ACP, 0,
743 (LPSTR)callback.item.pszText, -1,
744 NULL, 0);
745 buflen = max((len)*sizeof(WCHAR), TEXT_CALLBACK_SIZE);
746 newText = ReAlloc(wineItem->pszText, buflen);
747
748 TRACE("returned str %s, len=%d, buflen=%d\n",
749 debugstr_a((LPSTR)callback.item.pszText), len, buflen);
750
751 if (newText)
752 {
753 wineItem->pszText = newText;
754 MultiByteToWideChar( CP_ACP, 0,
755 (LPSTR)callback.item.pszText, -1,
756 wineItem->pszText, buflen/sizeof(WCHAR));
757 wineItem->cchTextMax = buflen/sizeof(WCHAR);
758 }
759 /* If ReAlloc fails we have nothing to do, but keep original text */
760 }
761 else {
762 int len = max(lstrlenW(callback.item.pszText) + 1,
763 TEXT_CALLBACK_SIZE);
764 LPWSTR newText = ReAlloc(wineItem->pszText, len);
765
766 TRACE("returned wstr %s, len=%d\n",
767 debugstr_w(callback.item.pszText), len);
768
769 if (newText)
770 {
771 wineItem->pszText = newText;
772 strcpyW(wineItem->pszText, callback.item.pszText);
773 wineItem->cchTextMax = len;
774 }
775 /* If ReAlloc fails we have nothing to do, but keep original text */
776 }
777 }
778 else if (mask & TVIF_TEXT) {
779 /* User put text into our buffer, that is ok unless A string */
780 if (!infoPtr->bNtfUnicode && (callback.hdr.code == TVN_GETDISPINFOA)) {
781 LPWSTR newText;
782 LPWSTR oldText = NULL;
783 int buflen;
784 int len = MultiByteToWideChar( CP_ACP, 0,
785 (LPSTR)callback.item.pszText, -1,
786 NULL, 0);
787 buflen = max((len)*sizeof(WCHAR), TEXT_CALLBACK_SIZE);
788 newText = Alloc(buflen);
789
790 TRACE("same buffer str %s, len=%d, buflen=%d\n",
791 debugstr_a((LPSTR)callback.item.pszText), len, buflen);
792
793 if (newText)
794 {
795 oldText = wineItem->pszText;
796 wineItem->pszText = newText;
797 MultiByteToWideChar( CP_ACP, 0,
798 (LPSTR)callback.item.pszText, -1,
799 wineItem->pszText, buflen/sizeof(WCHAR));
800 wineItem->cchTextMax = buflen/sizeof(WCHAR);
801 Free(oldText);
802 }
803 }
804 }
805
806 if (mask & TVIF_IMAGE)
807 wineItem->iImage = callback.item.iImage;
808
809 if (mask & TVIF_SELECTEDIMAGE)
810 wineItem->iSelectedImage = callback.item.iSelectedImage;
811
812 if (mask & TVIF_EXPANDEDIMAGE)
813 wineItem->iExpandedImage = callback.item.iExpandedImage;
814
815 if (mask & TVIF_CHILDREN)
816 wineItem->cChildren = callback.item.cChildren;
817
818 if (callback.item.mask & TVIF_STATE)
819 {
820 wineItem->state &= ~callback.item.stateMask;
821 wineItem->state |= (callback.item.state & callback.item.stateMask);
822 }
823
824 /* These members are now permanently set. */
825 if (callback.item.mask & TVIF_DI_SETITEM)
826 wineItem->callbackMask &= ~callback.item.mask;
827 }
828
829 /***************************************************************************
830 * This function uses cChildren field to decide whether the item has
831 * children or not.
832 * Note: if this returns TRUE, the child items may not actually exist,
833 * they could be virtual.
834 *
835 * Just use wineItem->firstChild to check for physical children.
836 */
837 static BOOL
838 TREEVIEW_HasChildren(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
839 {
840 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, TVIF_CHILDREN);
841
842 return wineItem->cChildren > 0;
843 }
844
845 static INT TREEVIEW_NotifyFormat (TREEVIEW_INFO *infoPtr, HWND hwndFrom, UINT nCommand)
846 {
847 INT format;
848
849 TRACE("(hwndFrom=%p, nCommand=%d)\n", hwndFrom, nCommand);
850
851 if (nCommand != NF_REQUERY) return 0;
852
853 format = SendMessageW(hwndFrom, WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwnd, NF_QUERY);
854 TRACE("format=%d\n", format);
855
856 if (format != NFR_ANSI && format != NFR_UNICODE) return 0;
857
858 infoPtr->bNtfUnicode = (format == NFR_UNICODE);
859
860 return format;
861 }
862
863 /* Item Position ********************************************************/
864
865 /* Compute linesOffset, stateOffset, imageOffset, textOffset of an item. */
866 static VOID
867 TREEVIEW_ComputeItemInternalMetrics(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
868 {
869 /* has TVS_LINESATROOT and (TVS_HASLINES|TVS_HASBUTTONS) */
870 BOOL lar = ((infoPtr->dwStyle & (TVS_LINESATROOT|TVS_HASLINES|TVS_HASBUTTONS))
871 > TVS_LINESATROOT);
872
873 item->linesOffset = infoPtr->uIndent * (lar ? item->iLevel : item->iLevel - 1)
874 - infoPtr->scrollX;
875 item->stateOffset = item->linesOffset + infoPtr->uIndent;
876 item->imageOffset = item->stateOffset
877 + (STATEIMAGEINDEX(item->state) ? infoPtr->stateImageWidth : 0);
878 item->textOffset = item->imageOffset + infoPtr->normalImageWidth;
879 }
880
881 static VOID
882 TREEVIEW_ComputeTextWidth(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item, HDC hDC)
883 {
884 HDC hdc;
885 HFONT hOldFont=0;
886 SIZE sz;
887
888 /* DRAW's OM docker creates items like this */
889 if (item->pszText == NULL)
890 {
891 item->textWidth = 0;
892 return;
893 }
894
895 if (hDC != 0)
896 {
897 hdc = hDC;
898 }
899 else
900 {
901 hdc = GetDC(infoPtr->hwnd);
902 hOldFont = SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, item));
903 }
904
905 GetTextExtentPoint32W(hdc, item->pszText, strlenW(item->pszText), &sz);
906 item->textWidth = sz.cx;
907
908 if (hDC == 0)
909 {
910 SelectObject(hdc, hOldFont);
911 ReleaseDC(0, hdc);
912 }
913 }
914
915 static VOID
916 TREEVIEW_ComputeItemRect(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
917 {
918 item->rect.top = infoPtr->uItemHeight *
919 (item->visibleOrder - infoPtr->firstVisible->visibleOrder);
920
921 item->rect.bottom = item->rect.top
922 + infoPtr->uItemHeight * item->iIntegral - 1;
923
924 item->rect.left = 0;
925 item->rect.right = infoPtr->clientWidth;
926 }
927
928 /* We know that only items after start need their order updated. */
929 static void
930 TREEVIEW_RecalculateVisibleOrder(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *start)
931 {
932 TREEVIEW_ITEM *item;
933 int order;
934
935 if (!start)
936 {
937 start = infoPtr->root->firstChild;
938 order = 0;
939 }
940 else
941 order = start->visibleOrder;
942
943 for (item = start; item != NULL;
944 item = TREEVIEW_GetNextListItem(infoPtr, item))
945 {
946 if (!ISVISIBLE(item) && order > 0)
947 TREEVIEW_ComputeItemInternalMetrics(infoPtr, item);
948 item->visibleOrder = order;
949 order += item->iIntegral;
950 }
951
952 infoPtr->maxVisibleOrder = order;
953
954 for (item = start; item != NULL;
955 item = TREEVIEW_GetNextListItem(infoPtr, item))
956 {
957 TREEVIEW_ComputeItemRect(infoPtr, item);
958 }
959 }
960
961
962 /* Update metrics of all items in selected subtree.
963 * root must be expanded
964 */
965 static VOID
966 TREEVIEW_UpdateSubTree(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *root)
967 {
968 TREEVIEW_ITEM *sibling;
969 HDC hdc;
970 HFONT hOldFont;
971
972 if (!root->firstChild || !(root->state & TVIS_EXPANDED))
973 return;
974
975 root->state &= ~TVIS_EXPANDED;
976 sibling = TREEVIEW_GetNextListItem(infoPtr, root);
977 root->state |= TVIS_EXPANDED;
978
979 hdc = GetDC(infoPtr->hwnd);
980 hOldFont = SelectObject(hdc, infoPtr->hFont);
981
982 for (; root != sibling;
983 root = TREEVIEW_GetNextListItem(infoPtr, root))
984 {
985 TREEVIEW_ComputeItemInternalMetrics(infoPtr, root);
986
987 if (root->callbackMask & TVIF_TEXT)
988 TREEVIEW_UpdateDispInfo(infoPtr, root, TVIF_TEXT);
989
990 if (root->textWidth == 0)
991 {
992 SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, root));
993 TREEVIEW_ComputeTextWidth(infoPtr, root, hdc);
994 }
995 }
996
997 SelectObject(hdc, hOldFont);
998 ReleaseDC(infoPtr->hwnd, hdc);
999 }
1000
1001 /* Item Allocation **********************************************************/
1002
1003 static TREEVIEW_ITEM *
1004 TREEVIEW_AllocateItem(const TREEVIEW_INFO *infoPtr)
1005 {
1006 TREEVIEW_ITEM *newItem = Alloc(sizeof(TREEVIEW_ITEM));
1007
1008 if (!newItem)
1009 return NULL;
1010
1011 /* I_IMAGENONE would make more sense but this is neither what is
1012 * documented (MSDN doesn't specify) nor what Windows actually does
1013 * (it sets it to zero)... and I can so imagine an application using
1014 * inc/dec to toggle the images. */
1015 newItem->iImage = 0;
1016 newItem->iSelectedImage = 0;
1017 newItem->iExpandedImage = (WORD)I_IMAGENONE;
1018
1019 if (DPA_InsertPtr(infoPtr->items, INT_MAX, newItem) == -1)
1020 {
1021 Free(newItem);
1022 return NULL;
1023 }
1024
1025 return newItem;
1026 }
1027
1028 /* Exact opposite of TREEVIEW_AllocateItem. In particular, it does not
1029 * free item->pszText. */
1030 static void
1031 TREEVIEW_FreeItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
1032 {
1033 DPA_DeletePtr(infoPtr->items, DPA_GetPtrIndex(infoPtr->items, item));
1034 if (infoPtr->selectedItem == item)
1035 infoPtr->selectedItem = NULL;
1036 if (infoPtr->hotItem == item)
1037 infoPtr->hotItem = NULL;
1038 if (infoPtr->focusedItem == item)
1039 infoPtr->focusedItem = NULL;
1040 if (infoPtr->firstVisible == item)
1041 infoPtr->firstVisible = NULL;
1042 if (infoPtr->dropItem == item)
1043 infoPtr->dropItem = NULL;
1044 if (infoPtr->insertMarkItem == item)
1045 infoPtr->insertMarkItem = NULL;
1046 Free(item);
1047 }
1048
1049
1050 /* Item Insertion *******************************************************/
1051
1052 /***************************************************************************
1053 * This method inserts newItem before sibling as a child of parent.
1054 * sibling can be NULL, but only if parent has no children.
1055 */
1056 static void
1057 TREEVIEW_InsertBefore(TREEVIEW_ITEM *newItem, TREEVIEW_ITEM *sibling,
1058 TREEVIEW_ITEM *parent)
1059 {
1060 assert(parent != NULL);
1061
1062 if (sibling != NULL)
1063 {
1064 assert(sibling->parent == parent);
1065
1066 if (sibling->prevSibling != NULL)
1067 sibling->prevSibling->nextSibling = newItem;
1068
1069 newItem->prevSibling = sibling->prevSibling;
1070 sibling->prevSibling = newItem;
1071 }
1072 else
1073 newItem->prevSibling = NULL;
1074
1075 newItem->nextSibling = sibling;
1076
1077 if (parent->firstChild == sibling)
1078 parent->firstChild = newItem;
1079
1080 if (parent->lastChild == NULL)
1081 parent->lastChild = newItem;
1082 }
1083
1084 /***************************************************************************
1085 * This method inserts newItem after sibling as a child of parent.
1086 * sibling can be NULL, but only if parent has no children.
1087 */
1088 static void
1089 TREEVIEW_InsertAfter(TREEVIEW_ITEM *newItem, TREEVIEW_ITEM *sibling,
1090 TREEVIEW_ITEM *parent)
1091 {
1092 assert(parent != NULL);
1093
1094 if (sibling != NULL)
1095 {
1096 assert(sibling->parent == parent);
1097
1098 if (sibling->nextSibling != NULL)
1099 sibling->nextSibling->prevSibling = newItem;
1100
1101 newItem->nextSibling = sibling->nextSibling;
1102 sibling->nextSibling = newItem;
1103 }
1104 else
1105 newItem->nextSibling = NULL;
1106
1107 newItem->prevSibling = sibling;
1108
1109 if (parent->lastChild == sibling)
1110 parent->lastChild = newItem;
1111
1112 if (parent->firstChild == NULL)
1113 parent->firstChild = newItem;
1114 }
1115
1116 static BOOL
1117 TREEVIEW_DoSetItemT(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
1118 const TVITEMEXW *tvItem, BOOL isW)
1119 {
1120 UINT callbackClear = 0;
1121 UINT callbackSet = 0;
1122
1123 TRACE("item %p\n", wineItem);
1124 /* Do this first in case it fails. */
1125 if (tvItem->mask & TVIF_TEXT)
1126 {
1127 wineItem->textWidth = 0; /* force width recalculation */
1128 if (tvItem->pszText != LPSTR_TEXTCALLBACKW && tvItem->pszText != NULL) /* covers != TEXTCALLBACKA too, and undocumented: pszText of NULL also means TEXTCALLBACK */
1129 {
1130 int len;
1131 LPWSTR newText;
1132 if (isW)
1133 len = lstrlenW(tvItem->pszText) + 1;
1134 else
1135 len = MultiByteToWideChar(CP_ACP, 0, (LPSTR)tvItem->pszText, -1, NULL, 0);
1136
1137 newText = ReAlloc(wineItem->pszText, len * sizeof(WCHAR));
1138
1139 if (newText == NULL) return FALSE;
1140
1141 callbackClear |= TVIF_TEXT;
1142
1143 wineItem->pszText = newText;
1144 wineItem->cchTextMax = len;
1145 if (isW)
1146 lstrcpynW(wineItem->pszText, tvItem->pszText, len);
1147 else
1148 MultiByteToWideChar(CP_ACP, 0, (LPSTR)tvItem->pszText, -1,
1149 wineItem->pszText, len);
1150
1151 TRACE("setting text %s, item %p\n", debugstr_w(wineItem->pszText), wineItem);
1152 }
1153 else
1154 {
1155 callbackSet |= TVIF_TEXT;
1156
1157 wineItem->pszText = ReAlloc(wineItem->pszText,
1158 TEXT_CALLBACK_SIZE * sizeof(WCHAR));
1159 wineItem->cchTextMax = TEXT_CALLBACK_SIZE;
1160 TRACE("setting callback, item %p\n", wineItem);
1161 }
1162 }
1163
1164 if (tvItem->mask & TVIF_CHILDREN)
1165 {
1166 wineItem->cChildren = tvItem->cChildren;
1167
1168 if (wineItem->cChildren == I_CHILDRENCALLBACK)
1169 callbackSet |= TVIF_CHILDREN;
1170 else
1171 callbackClear |= TVIF_CHILDREN;
1172 }
1173
1174 if (tvItem->mask & TVIF_IMAGE)
1175 {
1176 wineItem->iImage = tvItem->iImage;
1177
1178 if (wineItem->iImage == I_IMAGECALLBACK)
1179 callbackSet |= TVIF_IMAGE;
1180 else
1181 callbackClear |= TVIF_IMAGE;
1182 }
1183
1184 if (tvItem->mask & TVIF_SELECTEDIMAGE)
1185 {
1186 wineItem->iSelectedImage = tvItem->iSelectedImage;
1187
1188 if (wineItem->iSelectedImage == I_IMAGECALLBACK)
1189 callbackSet |= TVIF_SELECTEDIMAGE;
1190 else
1191 callbackClear |= TVIF_SELECTEDIMAGE;
1192 }
1193
1194 if (tvItem->mask & TVIF_EXPANDEDIMAGE)
1195 {
1196 wineItem->iExpandedImage = tvItem->iExpandedImage;
1197
1198 if (wineItem->iExpandedImage == I_IMAGECALLBACK)
1199 callbackSet |= TVIF_EXPANDEDIMAGE;
1200 else
1201 callbackClear |= TVIF_EXPANDEDIMAGE;
1202 }
1203
1204 if (tvItem->mask & TVIF_PARAM)
1205 wineItem->lParam = tvItem->lParam;
1206
1207 /* If the application sets TVIF_INTEGRAL without
1208 * supplying a TVITEMEX structure, it's toast. */
1209 if (tvItem->mask & TVIF_INTEGRAL)
1210 wineItem->iIntegral = tvItem->iIntegral;
1211
1212 if (tvItem->mask & TVIF_STATE)
1213 {
1214 TRACE("prevstate,state,mask:%x,%x,%x\n", wineItem->state, tvItem->state,
1215 tvItem->stateMask);
1216 wineItem->state &= ~tvItem->stateMask;
1217 wineItem->state |= (tvItem->state & tvItem->stateMask);
1218 }
1219
1220 if (tvItem->mask & TVIF_STATEEX)
1221 {
1222 FIXME("New extended state: %x\n", tvItem->uStateEx);
1223 }
1224
1225 wineItem->callbackMask |= callbackSet;
1226 wineItem->callbackMask &= ~callbackClear;
1227
1228 return TRUE;
1229 }
1230
1231 /* Note that the new item is pre-zeroed. */
1232 static LRESULT
1233 TREEVIEW_InsertItemT(TREEVIEW_INFO *infoPtr, const TVINSERTSTRUCTW *ptdi, BOOL isW)
1234 {
1235 const TVITEMEXW *tvItem = &ptdi->u.itemex;
1236 HTREEITEM insertAfter;
1237 TREEVIEW_ITEM *newItem, *parentItem;
1238 BOOL bTextUpdated = FALSE;
1239
1240 if (ptdi->hParent == TVI_ROOT || ptdi->hParent == 0)
1241 {
1242 parentItem = infoPtr->root;
1243 }
1244 else
1245 {
1246 parentItem = ptdi->hParent;
1247
1248 if (!TREEVIEW_ValidItem(infoPtr, parentItem))
1249 {
1250 WARN("invalid parent %p\n", parentItem);
1251 return 0;
1252 }
1253 }
1254
1255 insertAfter = ptdi->hInsertAfter;
1256
1257 /* Validate this now for convenience. */
1258 switch ((DWORD_PTR)insertAfter)
1259 {
1260 case (DWORD_PTR)TVI_FIRST:
1261 case (DWORD_PTR)TVI_LAST:
1262 case (DWORD_PTR)TVI_SORT:
1263 break;
1264
1265 default:
1266 if (!TREEVIEW_ValidItem(infoPtr, insertAfter) ||
1267 insertAfter->parent != parentItem)
1268 {
1269 WARN("invalid insert after %p\n", insertAfter);
1270 insertAfter = TVI_LAST;
1271 }
1272 }
1273
1274 TRACE("parent %p position %p: %s\n", parentItem, insertAfter,
1275 (tvItem->mask & TVIF_TEXT)
1276 ? ((tvItem->pszText == LPSTR_TEXTCALLBACKW) ? "<callback>"
1277 : (isW ? debugstr_w(tvItem->pszText) : debugstr_a((LPSTR)tvItem->pszText)))
1278 : "<no label>");
1279
1280 newItem = TREEVIEW_AllocateItem(infoPtr);
1281 if (newItem == NULL)
1282 return 0;
1283
1284 newItem->parent = parentItem;
1285 newItem->iIntegral = 1;
1286 newItem->visibleOrder = -1;
1287
1288 if (!TREEVIEW_DoSetItemT(infoPtr, newItem, tvItem, isW))
1289 return 0;
1290
1291 /* After this point, nothing can fail. (Except for TVI_SORT.) */
1292
1293 infoPtr->uNumItems++;
1294
1295 switch ((DWORD_PTR)insertAfter)
1296 {
1297 case (DWORD_PTR)TVI_FIRST:
1298 {
1299 TREEVIEW_ITEM *originalFirst = parentItem->firstChild;
1300 TREEVIEW_InsertBefore(newItem, parentItem->firstChild, parentItem);
1301 if (infoPtr->firstVisible == originalFirst)
1302 TREEVIEW_SetFirstVisible(infoPtr, newItem, TRUE);
1303 }
1304 break;
1305
1306 case (DWORD_PTR)TVI_LAST:
1307 TREEVIEW_InsertAfter(newItem, parentItem->lastChild, parentItem);
1308 break;
1309
1310 /* hInsertAfter names a specific item we want to insert after */
1311 default:
1312 TREEVIEW_InsertAfter(newItem, insertAfter, insertAfter->parent);
1313 break;
1314
1315 case (DWORD_PTR)TVI_SORT:
1316 {
1317 TREEVIEW_ITEM *aChild;
1318 TREEVIEW_ITEM *previousChild = NULL;
1319 TREEVIEW_ITEM *originalFirst = parentItem->firstChild;
1320 BOOL bItemInserted = FALSE;
1321
1322 aChild = parentItem->firstChild;
1323
1324 bTextUpdated = TRUE;
1325 TREEVIEW_UpdateDispInfo(infoPtr, newItem, TVIF_TEXT);
1326
1327 /* Iterate the parent children to see where we fit in */
1328 while (aChild != NULL)
1329 {
1330 INT comp;
1331
1332 TREEVIEW_UpdateDispInfo(infoPtr, aChild, TVIF_TEXT);
1333 comp = lstrcmpW(newItem->pszText, aChild->pszText);
1334
1335 if (comp < 0) /* we are smaller than the current one */
1336 {
1337 TREEVIEW_InsertBefore(newItem, aChild, parentItem);
1338 if (infoPtr->firstVisible == originalFirst &&
1339 aChild == originalFirst)
1340 TREEVIEW_SetFirstVisible(infoPtr, newItem, TRUE);
1341 bItemInserted = TRUE;
1342 break;
1343 }
1344 else if (comp > 0) /* we are bigger than the current one */
1345 {
1346 previousChild = aChild;
1347
1348 /* This will help us to exit if there is no more sibling */
1349 aChild = (aChild->nextSibling == 0)
1350 ? NULL
1351 : aChild->nextSibling;
1352
1353 /* Look at the next item */
1354 continue;
1355 }
1356 else if (comp == 0)
1357 {
1358 /*
1359 * An item with this name is already existing, therefore,
1360 * we add after the one we found
1361 */
1362 TREEVIEW_InsertAfter(newItem, aChild, parentItem);
1363 bItemInserted = TRUE;
1364 break;
1365 }
1366 }
1367
1368 /*
1369 * we reach the end of the child list and the item has not
1370 * yet been inserted, therefore, insert it after the last child.
1371 */
1372 if ((!bItemInserted) && (aChild == NULL))
1373 TREEVIEW_InsertAfter(newItem, previousChild, parentItem);
1374
1375 break;
1376 }
1377 }
1378
1379
1380 TRACE("new item %p; parent %p, mask %x\n", newItem,
1381 newItem->parent, tvItem->mask);
1382
1383 newItem->iLevel = newItem->parent->iLevel + 1;
1384
1385 if (newItem->parent->cChildren == 0)
1386 newItem->parent->cChildren = 1;
1387
1388 if (infoPtr->dwStyle & TVS_CHECKBOXES)
1389 {
1390 if (STATEIMAGEINDEX(newItem->state) == 0)
1391 newItem->state |= INDEXTOSTATEIMAGEMASK(1);
1392 }
1393
1394 if (infoPtr->firstVisible == NULL)
1395 infoPtr->firstVisible = newItem;
1396
1397 TREEVIEW_VerifyTree(infoPtr);
1398
1399 if (!infoPtr->bRedraw) return (LRESULT)newItem;
1400
1401 if (parentItem == infoPtr->root ||
1402 (ISVISIBLE(parentItem) && parentItem->state & TVIS_EXPANDED))
1403 {
1404 TREEVIEW_ITEM *item;
1405 TREEVIEW_ITEM *prev = TREEVIEW_GetPrevListItem(infoPtr, newItem);
1406
1407 TREEVIEW_RecalculateVisibleOrder(infoPtr, prev);
1408 TREEVIEW_ComputeItemInternalMetrics(infoPtr, newItem);
1409
1410 if (!bTextUpdated)
1411 TREEVIEW_UpdateDispInfo(infoPtr, newItem, TVIF_TEXT);
1412
1413 TREEVIEW_ComputeTextWidth(infoPtr, newItem, 0);
1414 TREEVIEW_UpdateScrollBars(infoPtr);
1415 /*
1416 * if the item was inserted in a visible part of the tree,
1417 * invalidate it, as well as those after it
1418 */
1419 for (item = newItem;
1420 item != NULL;
1421 item = TREEVIEW_GetNextListItem(infoPtr, item))
1422 TREEVIEW_Invalidate(infoPtr, item);
1423 }
1424 else
1425 {
1426 /* refresh treeview if newItem is the first item inserted under parentItem */
1427 if (ISVISIBLE(parentItem) && newItem->prevSibling == newItem->nextSibling)
1428 {
1429 /* parent got '+' - update it */
1430 TREEVIEW_Invalidate(infoPtr, parentItem);
1431 }
1432 }
1433
1434 return (LRESULT)newItem;
1435 }
1436
1437 /* Item Deletion ************************************************************/
1438 static void
1439 TREEVIEW_RemoveItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem);
1440
1441 static void
1442 TREEVIEW_RemoveAllChildren(TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *parentItem)
1443 {
1444 TREEVIEW_ITEM *kill = parentItem->firstChild;
1445
1446 while (kill != NULL)
1447 {
1448 TREEVIEW_ITEM *next = kill->nextSibling;
1449
1450 TREEVIEW_RemoveItem(infoPtr, kill);
1451
1452 kill = next;
1453 }
1454
1455 assert(parentItem->cChildren <= 0); /* I_CHILDRENCALLBACK or 0 */
1456 assert(parentItem->firstChild == NULL);
1457 assert(parentItem->lastChild == NULL);
1458 }
1459
1460 static void
1461 TREEVIEW_UnlinkItem(const TREEVIEW_ITEM *item)
1462 {
1463 TREEVIEW_ITEM *parentItem = item->parent;
1464
1465 assert(item != NULL);
1466 assert(item->parent != NULL); /* i.e. it must not be the root */
1467
1468 if (parentItem->firstChild == item)
1469 parentItem->firstChild = item->nextSibling;
1470
1471 if (parentItem->lastChild == item)
1472 parentItem->lastChild = item->prevSibling;
1473
1474 if (parentItem->firstChild == NULL && parentItem->lastChild == NULL
1475 && parentItem->cChildren > 0)
1476 parentItem->cChildren = 0;
1477
1478 if (item->prevSibling)
1479 item->prevSibling->nextSibling = item->nextSibling;
1480
1481 if (item->nextSibling)
1482 item->nextSibling->prevSibling = item->prevSibling;
1483 }
1484
1485 static void
1486 TREEVIEW_RemoveItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
1487 {
1488 TRACE("%p, (%s)\n", wineItem, TREEVIEW_ItemName(wineItem));
1489
1490 if (wineItem->firstChild)
1491 TREEVIEW_RemoveAllChildren(infoPtr, wineItem);
1492
1493 TREEVIEW_SendTreeviewNotify(infoPtr, TVN_DELETEITEMW, TVC_UNKNOWN,
1494 TVIF_HANDLE | TVIF_PARAM, wineItem, 0);
1495
1496 TREEVIEW_UnlinkItem(wineItem);
1497
1498 infoPtr->uNumItems--;
1499
1500 if (wineItem->pszText != LPSTR_TEXTCALLBACKW)
1501 Free(wineItem->pszText);
1502
1503 TREEVIEW_FreeItem(infoPtr, wineItem);
1504 }
1505
1506
1507 /* Empty out the tree. */
1508 static void
1509 TREEVIEW_RemoveTree(TREEVIEW_INFO *infoPtr)
1510 {
1511 TREEVIEW_RemoveAllChildren(infoPtr, infoPtr->root);
1512
1513 assert(infoPtr->uNumItems == 0); /* root isn't counted in uNumItems */
1514 }
1515
1516 static LRESULT
1517 TREEVIEW_DeleteItem(TREEVIEW_INFO *infoPtr, HTREEITEM wineItem)
1518 {
1519 TREEVIEW_ITEM *newSelection = NULL;
1520 TREEVIEW_ITEM *newFirstVisible = NULL;
1521 TREEVIEW_ITEM *parent, *prev = NULL;
1522 BOOL visible = FALSE;
1523
1524 if (wineItem == TVI_ROOT || !wineItem)
1525 {
1526 TRACE("TVI_ROOT\n");
1527 parent = infoPtr->root;
1528 newSelection = NULL;
1529 visible = TRUE;
1530 TREEVIEW_RemoveTree(infoPtr);
1531 }
1532 else
1533 {
1534 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
1535 return FALSE;
1536
1537 TRACE("%p (%s)\n", wineItem, TREEVIEW_ItemName(wineItem));
1538 parent = wineItem->parent;
1539
1540 if (ISVISIBLE(wineItem))
1541 {
1542 prev = TREEVIEW_GetPrevListItem(infoPtr, wineItem);
1543 visible = TRUE;
1544 }
1545
1546 if (infoPtr->selectedItem != NULL
1547 && (wineItem == infoPtr->selectedItem
1548 || TREEVIEW_IsChildOf(wineItem, infoPtr->selectedItem)))
1549 {
1550 if (wineItem->nextSibling)
1551 newSelection = wineItem->nextSibling;
1552 else if (wineItem->parent != infoPtr->root)
1553 newSelection = wineItem->parent;
1554 else
1555 newSelection = wineItem->prevSibling;
1556 TRACE("newSelection = %p\n", newSelection);
1557 }
1558
1559 if (infoPtr->firstVisible == wineItem)
1560 {
1561 if (wineItem->nextSibling)
1562 newFirstVisible = wineItem->nextSibling;
1563 else if (wineItem->prevSibling)
1564 newFirstVisible = wineItem->prevSibling;
1565 else if (wineItem->parent != infoPtr->root)
1566 newFirstVisible = wineItem->parent;
1567 TREEVIEW_SetFirstVisible(infoPtr, NULL, TRUE);
1568 }
1569 else
1570 newFirstVisible = infoPtr->firstVisible;
1571
1572 TREEVIEW_RemoveItem(infoPtr, wineItem);
1573 }
1574
1575 /* Don't change if somebody else already has (infoPtr->selectedItem is cleared by FreeItem). */
1576 if (!infoPtr->selectedItem && newSelection)
1577 {
1578 if (TREEVIEW_ValidItem(infoPtr, newSelection))
1579 TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, newSelection, TVC_UNKNOWN);
1580 }
1581
1582 /* Validate insertMark dropItem.
1583 * hotItem ??? - used for comparison only.
1584 */
1585 if (!TREEVIEW_ValidItem(infoPtr, infoPtr->insertMarkItem))
1586 infoPtr->insertMarkItem = 0;
1587
1588 if (!TREEVIEW_ValidItem(infoPtr, infoPtr->dropItem))
1589 infoPtr->dropItem = 0;
1590
1591 if (!TREEVIEW_ValidItem(infoPtr, newFirstVisible))
1592 newFirstVisible = infoPtr->root->firstChild;
1593
1594 TREEVIEW_VerifyTree(infoPtr);
1595
1596 if (!infoPtr->bRedraw) return TRUE;
1597
1598 if (visible)
1599 {
1600 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
1601 TREEVIEW_RecalculateVisibleOrder(infoPtr, prev);
1602 TREEVIEW_UpdateScrollBars(infoPtr);
1603 TREEVIEW_Invalidate(infoPtr, NULL);
1604 }
1605 else if (ISVISIBLE(parent) && !TREEVIEW_HasChildren(infoPtr, parent))
1606 {
1607 /* parent lost '+/-' - update it */
1608 TREEVIEW_Invalidate(infoPtr, parent);
1609 }
1610
1611 return TRUE;
1612 }
1613
1614
1615 /* Get/Set Messages *********************************************************/
1616 static LRESULT
1617 TREEVIEW_SetRedraw(TREEVIEW_INFO* infoPtr, WPARAM wParam)
1618 {
1619 infoPtr->bRedraw = wParam ? TRUE : FALSE;
1620
1621 if (infoPtr->bRedraw)
1622 {
1623 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
1624 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
1625 TREEVIEW_UpdateScrollBars(infoPtr);
1626 TREEVIEW_Invalidate(infoPtr, NULL);
1627 }
1628 return 0;
1629 }
1630
1631 static LRESULT
1632 TREEVIEW_GetIndent(const TREEVIEW_INFO *infoPtr)
1633 {
1634 TRACE("\n");
1635 return infoPtr->uIndent;
1636 }
1637
1638 static LRESULT
1639 TREEVIEW_SetIndent(TREEVIEW_INFO *infoPtr, UINT newIndent)
1640 {
1641 TRACE("\n");
1642
1643 if (newIndent < MINIMUM_INDENT)
1644 newIndent = MINIMUM_INDENT;
1645
1646 if (infoPtr->uIndent != newIndent)
1647 {
1648 infoPtr->uIndent = newIndent;
1649 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
1650 TREEVIEW_UpdateScrollBars(infoPtr);
1651 TREEVIEW_Invalidate(infoPtr, NULL);
1652 }
1653
1654 return 0;
1655 }
1656
1657
1658 static LRESULT
1659 TREEVIEW_GetToolTips(const TREEVIEW_INFO *infoPtr)
1660 {
1661 TRACE("\n");
1662 return (LRESULT)infoPtr->hwndToolTip;
1663 }
1664
1665 static LRESULT
1666 TREEVIEW_SetToolTips(TREEVIEW_INFO *infoPtr, HWND hwndTT)
1667 {
1668 HWND prevToolTip;
1669
1670 TRACE("\n");
1671 prevToolTip = infoPtr->hwndToolTip;
1672 infoPtr->hwndToolTip = hwndTT;
1673
1674 return (LRESULT)prevToolTip;
1675 }
1676
1677 static LRESULT
1678 TREEVIEW_SetUnicodeFormat(TREEVIEW_INFO *infoPtr, BOOL fUnicode)
1679 {
1680 BOOL rc = infoPtr->bNtfUnicode;
1681 infoPtr->bNtfUnicode = fUnicode;
1682 return rc;
1683 }
1684
1685 static LRESULT
1686 TREEVIEW_GetUnicodeFormat(const TREEVIEW_INFO *infoPtr)
1687 {
1688 return infoPtr->bNtfUnicode;
1689 }
1690
1691 static LRESULT
1692 TREEVIEW_GetScrollTime(const TREEVIEW_INFO *infoPtr)
1693 {
1694 return infoPtr->uScrollTime;
1695 }
1696
1697 static LRESULT
1698 TREEVIEW_SetScrollTime(TREEVIEW_INFO *infoPtr, UINT uScrollTime)
1699 {
1700 UINT uOldScrollTime = infoPtr->uScrollTime;
1701
1702 infoPtr->uScrollTime = min(uScrollTime, 100);
1703
1704 return uOldScrollTime;
1705 }
1706
1707
1708 static LRESULT
1709 TREEVIEW_GetImageList(const TREEVIEW_INFO *infoPtr, WPARAM wParam)
1710 {
1711 TRACE("\n");
1712
1713 switch (wParam)
1714 {
1715 case TVSIL_NORMAL:
1716 return (LRESULT)infoPtr->himlNormal;
1717
1718 case TVSIL_STATE:
1719 return (LRESULT)infoPtr->himlState;
1720
1721 default:
1722 return 0;
1723 }
1724 }
1725
1726 #define TVHEIGHT_MIN 16
1727 #define TVHEIGHT_FONT_ADJUST 3 /* 2 for focus border + 1 for margin some apps assume */
1728
1729 /* Compute the natural height for items. */
1730 static UINT
1731 TREEVIEW_NaturalHeight(const TREEVIEW_INFO *infoPtr)
1732 {
1733 TEXTMETRICW tm;
1734 HDC hdc = GetDC(0);
1735 HFONT hOldFont = SelectObject(hdc, infoPtr->hFont);
1736 UINT height;
1737
1738 /* Height is the maximum of:
1739 * 16 (a hack because our fonts are tiny), and
1740 * The text height + border & margin, and
1741 * The size of the normal image list
1742 */
1743 GetTextMetricsW(hdc, &tm);
1744 SelectObject(hdc, hOldFont);
1745 ReleaseDC(0, hdc);
1746
1747 height = TVHEIGHT_MIN;
1748 if (height < tm.tmHeight + tm.tmExternalLeading + TVHEIGHT_FONT_ADJUST)
1749 height = tm.tmHeight + tm.tmExternalLeading + TVHEIGHT_FONT_ADJUST;
1750 if (height < infoPtr->normalImageHeight)
1751 height = infoPtr->normalImageHeight;
1752
1753 /* Round down, unless we support odd ("non even") heights. */
1754 if (!(infoPtr->dwStyle & TVS_NONEVENHEIGHT))
1755 height &= ~1;
1756
1757 return height;
1758 }
1759
1760 static LRESULT
1761 TREEVIEW_SetImageList(TREEVIEW_INFO *infoPtr, WPARAM wParam, HIMAGELIST himlNew)
1762 {
1763 HIMAGELIST himlOld = 0;
1764 int oldWidth = infoPtr->normalImageWidth;
1765 int oldHeight = infoPtr->normalImageHeight;
1766
1767
1768 TRACE("%lx,%p\n", wParam, himlNew);
1769
1770 switch (wParam)
1771 {
1772 case TVSIL_NORMAL:
1773 himlOld = infoPtr->himlNormal;
1774 infoPtr->himlNormal = himlNew;
1775
1776 if (himlNew != NULL)
1777 ImageList_GetIconSize(himlNew, &infoPtr->normalImageWidth,
1778 &infoPtr->normalImageHeight);
1779 else
1780 {
1781 infoPtr->normalImageWidth = 0;
1782 infoPtr->normalImageHeight = 0;
1783 }
1784
1785 break;
1786
1787 case TVSIL_STATE:
1788 himlOld = infoPtr->himlState;
1789 infoPtr->himlState = himlNew;
1790
1791 if (himlNew != NULL)
1792 ImageList_GetIconSize(himlNew, &infoPtr->stateImageWidth,
1793 &infoPtr->stateImageHeight);
1794 else
1795 {
1796 infoPtr->stateImageWidth = 0;
1797 infoPtr->stateImageHeight = 0;
1798 }
1799
1800 break;
1801 }
1802
1803 if (oldWidth != infoPtr->normalImageWidth ||
1804 oldHeight != infoPtr->normalImageHeight)
1805 {
1806 BOOL bRecalcVisible = FALSE;
1807
1808 if (oldHeight != infoPtr->normalImageHeight &&
1809 !infoPtr->bHeightSet)
1810 {
1811 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
1812 bRecalcVisible = TRUE;
1813 }
1814
1815 if (infoPtr->normalImageWidth > MINIMUM_INDENT &&
1816 infoPtr->normalImageWidth != infoPtr->uIndent)
1817 {
1818 infoPtr->uIndent = infoPtr->normalImageWidth;
1819 bRecalcVisible = TRUE;
1820 }
1821
1822 if (bRecalcVisible)
1823 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
1824
1825 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
1826 TREEVIEW_UpdateScrollBars(infoPtr);
1827 }
1828
1829 TREEVIEW_Invalidate(infoPtr, NULL);
1830
1831 return (LRESULT)himlOld;
1832 }
1833
1834 static LRESULT
1835 TREEVIEW_SetItemHeight(TREEVIEW_INFO *infoPtr, INT newHeight)
1836 {
1837 INT prevHeight = infoPtr->uItemHeight;
1838
1839 TRACE("new=%d, old=%d\n", newHeight, prevHeight);
1840 if (newHeight == -1)
1841 {
1842 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
1843 infoPtr->bHeightSet = FALSE;
1844 }
1845 else
1846 {
1847 if (newHeight == 0) newHeight = 1;
1848 infoPtr->uItemHeight = newHeight;
1849 infoPtr->bHeightSet = TRUE;
1850 }
1851
1852 /* Round down, unless we support odd ("non even") heights. */
1853 if (!(infoPtr->dwStyle & TVS_NONEVENHEIGHT) && infoPtr->uItemHeight != 1)
1854 {
1855 infoPtr->uItemHeight &= ~1;
1856 TRACE("after rounding=%d\n", infoPtr->uItemHeight);
1857 }
1858
1859 if (infoPtr->uItemHeight != prevHeight)
1860 {
1861 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
1862 TREEVIEW_UpdateScrollBars(infoPtr);
1863 TREEVIEW_Invalidate(infoPtr, NULL);
1864 }
1865
1866 return prevHeight;
1867 }
1868
1869 static LRESULT
1870 TREEVIEW_GetItemHeight(const TREEVIEW_INFO *infoPtr)
1871 {
1872 TRACE("\n");
1873 return infoPtr->uItemHeight;
1874 }
1875
1876
1877 static LRESULT
1878 TREEVIEW_GetFont(const TREEVIEW_INFO *infoPtr)
1879 {
1880 TRACE("%p\n", infoPtr->hFont);
1881 return (LRESULT)infoPtr->hFont;
1882 }
1883
1884
1885 static INT CALLBACK
1886 TREEVIEW_ResetTextWidth(LPVOID pItem, LPVOID unused)
1887 {
1888 (void)unused;
1889
1890 ((TREEVIEW_ITEM *)pItem)->textWidth = 0;
1891
1892 return 1;
1893 }
1894
1895 static LRESULT
1896 TREEVIEW_SetFont(TREEVIEW_INFO *infoPtr, HFONT hFont, BOOL bRedraw)
1897 {
1898 UINT uHeight = infoPtr->uItemHeight;
1899
1900 TRACE("%p %i\n", hFont, bRedraw);
1901
1902 infoPtr->hFont = hFont ? hFont : infoPtr->hDefaultFont;
1903
1904 DeleteObject(infoPtr->hBoldFont);
1905 DeleteObject(infoPtr->hUnderlineFont);
1906 infoPtr->hBoldFont = TREEVIEW_CreateBoldFont(infoPtr->hFont);
1907 infoPtr->hUnderlineFont = TREEVIEW_CreateUnderlineFont(infoPtr->hFont);
1908
1909 if (!infoPtr->bHeightSet)
1910 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
1911
1912 if (uHeight != infoPtr->uItemHeight)
1913 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
1914
1915 DPA_EnumCallback(infoPtr->items, TREEVIEW_ResetTextWidth, 0);
1916
1917 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
1918 TREEVIEW_UpdateScrollBars(infoPtr);
1919
1920 if (bRedraw)
1921 TREEVIEW_Invalidate(infoPtr, NULL);
1922
1923 return 0;
1924 }
1925
1926
1927 static LRESULT
1928 TREEVIEW_GetLineColor(const TREEVIEW_INFO *infoPtr)
1929 {
1930 TRACE("\n");
1931 return (LRESULT)infoPtr->clrLine;
1932 }
1933
1934 static LRESULT
1935 TREEVIEW_SetLineColor(TREEVIEW_INFO *infoPtr, COLORREF color)
1936 {
1937 COLORREF prevColor = infoPtr->clrLine;
1938
1939 TRACE("\n");
1940 infoPtr->clrLine = color;
1941 return (LRESULT)prevColor;
1942 }
1943
1944
1945 static LRESULT
1946 TREEVIEW_GetTextColor(const TREEVIEW_INFO *infoPtr)
1947 {
1948 TRACE("\n");
1949 return (LRESULT)infoPtr->clrText;
1950 }
1951
1952 static LRESULT
1953 TREEVIEW_SetTextColor(TREEVIEW_INFO *infoPtr, COLORREF color)
1954 {
1955 COLORREF prevColor = infoPtr->clrText;
1956
1957 TRACE("\n");
1958 infoPtr->clrText = color;
1959
1960 if (infoPtr->clrText != prevColor)
1961 TREEVIEW_Invalidate(infoPtr, NULL);
1962
1963 return (LRESULT)prevColor;
1964 }
1965
1966
1967 static LRESULT
1968 TREEVIEW_GetBkColor(const TREEVIEW_INFO *infoPtr)
1969 {
1970 TRACE("\n");
1971 return (LRESULT)infoPtr->clrBk;
1972 }
1973
1974 static LRESULT
1975 TREEVIEW_SetBkColor(TREEVIEW_INFO *infoPtr, COLORREF newColor)
1976 {
1977 COLORREF prevColor = infoPtr->clrBk;
1978
1979 TRACE("\n");
1980 infoPtr->clrBk = newColor;
1981
1982 if (newColor != prevColor)
1983 TREEVIEW_Invalidate(infoPtr, NULL);
1984
1985 return (LRESULT)prevColor;
1986 }
1987
1988
1989 static LRESULT
1990 TREEVIEW_GetInsertMarkColor(const TREEVIEW_INFO *infoPtr)
1991 {
1992 TRACE("\n");
1993 return (LRESULT)infoPtr->clrInsertMark;
1994 }
1995
1996 static LRESULT
1997 TREEVIEW_SetInsertMarkColor(TREEVIEW_INFO *infoPtr, COLORREF color)
1998 {
1999 COLORREF prevColor = infoPtr->clrInsertMark;
2000
2001 TRACE("%x\n", color);
2002 infoPtr->clrInsertMark = color;
2003
2004 return (LRESULT)prevColor;
2005 }
2006
2007
2008 static LRESULT
2009 TREEVIEW_SetInsertMark(TREEVIEW_INFO *infoPtr, BOOL wParam, HTREEITEM item)
2010 {
2011 TRACE("%d %p\n", wParam, item);
2012
2013 if (!TREEVIEW_ValidItem(infoPtr, item))
2014 return 0;
2015
2016 infoPtr->insertBeforeorAfter = wParam;
2017 infoPtr->insertMarkItem = item;
2018
2019 TREEVIEW_Invalidate(infoPtr, NULL);
2020
2021 return 1;
2022 }
2023
2024
2025 /************************************************************************
2026 * Some serious braindamage here. lParam is a pointer to both the
2027 * input HTREEITEM and the output RECT.
2028 */
2029 static LRESULT
2030 TREEVIEW_GetItemRect(const TREEVIEW_INFO *infoPtr, BOOL fTextRect, LPRECT lpRect)
2031 {
2032 TREEVIEW_ITEM *wineItem;
2033 const HTREEITEM *pItem = (HTREEITEM *)lpRect;
2034
2035 TRACE("\n");
2036 /*
2037 * validate parameters
2038 */
2039 if (pItem == NULL)
2040 return FALSE;
2041
2042 wineItem = *pItem;
2043 if (!TREEVIEW_ValidItem(infoPtr, wineItem) || !ISVISIBLE(wineItem))
2044 return FALSE;
2045
2046 /*
2047 * If wParam is TRUE return the text size otherwise return
2048 * the whole item size
2049 */
2050 if (fTextRect)
2051 {
2052 /* Windows does not send TVN_GETDISPINFO here. */
2053
2054 lpRect->top = wineItem->rect.top;
2055 lpRect->bottom = wineItem->rect.bottom;
2056
2057 lpRect->left = wineItem->textOffset;
2058 if (!wineItem->textWidth)
2059 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, 0);
2060
2061 lpRect->right = wineItem->textOffset + wineItem->textWidth + 4;
2062 }
2063 else
2064 {
2065 *lpRect = wineItem->rect;
2066 }
2067
2068 TRACE("%s [%s]\n", fTextRect ? "text" : "item", wine_dbgstr_rect(lpRect));
2069
2070 return TRUE;
2071 }
2072
2073 static inline LRESULT
2074 TREEVIEW_GetVisibleCount(const TREEVIEW_INFO *infoPtr)
2075 {
2076 /* Surprise! This does not take integral height into account. */
2077 TRACE("client=%d, item=%d\n", infoPtr->clientHeight, infoPtr->uItemHeight);
2078 return infoPtr->clientHeight / infoPtr->uItemHeight;
2079 }
2080
2081
2082 static LRESULT
2083 TREEVIEW_GetItemT(const TREEVIEW_INFO *infoPtr, LPTVITEMEXW tvItem, BOOL isW)
2084 {
2085 TREEVIEW_ITEM *wineItem;
2086
2087 wineItem = tvItem->hItem;
2088 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
2089 return FALSE;
2090
2091 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, tvItem->mask);
2092
2093 if (tvItem->mask & TVIF_CHILDREN)
2094 {
2095 if (wineItem->cChildren==I_CHILDRENCALLBACK)
2096 FIXME("I_CHILDRENCALLBACK not supported\n");
2097 tvItem->cChildren = wineItem->cChildren;
2098 }
2099
2100 if (tvItem->mask & TVIF_HANDLE)
2101 tvItem->hItem = wineItem;
2102
2103 if (tvItem->mask & TVIF_IMAGE)
2104 tvItem->iImage = wineItem->iImage;
2105
2106 if (tvItem->mask & TVIF_INTEGRAL)
2107 tvItem->iIntegral = wineItem->iIntegral;
2108
2109 /* undocumented: (mask & TVIF_PARAM) ignored and lParam is always set */
2110 tvItem->lParam = wineItem->lParam;
2111
2112 if (tvItem->mask & TVIF_SELECTEDIMAGE)
2113 tvItem->iSelectedImage = wineItem->iSelectedImage;
2114
2115 if (tvItem->mask & TVIF_EXPANDEDIMAGE)
2116 tvItem->iExpandedImage = wineItem->iExpandedImage;
2117
2118 /* undocumented: stateMask and (state & TVIF_STATE) ignored, so state is always set */
2119 tvItem->state = wineItem->state;
2120
2121 if (tvItem->mask & TVIF_TEXT)
2122 {
2123 if (wineItem->pszText == NULL)
2124 {
2125 if (tvItem->cchTextMax > 0)
2126 tvItem->pszText[0] = '\0';
2127 }
2128 else if (isW)
2129 {
2130 if (wineItem->pszText == LPSTR_TEXTCALLBACKW)
2131 {
2132 tvItem->pszText = LPSTR_TEXTCALLBACKW;
2133 FIXME(" GetItem called with LPSTR_TEXTCALLBACK\n");
2134 }
2135 else
2136 {
2137 lstrcpynW(tvItem->pszText, wineItem->pszText, tvItem->cchTextMax);
2138 }
2139 }
2140 else
2141 {
2142 if (wineItem->pszText == LPSTR_TEXTCALLBACKW)
2143 {
2144 tvItem->pszText = (LPWSTR)LPSTR_TEXTCALLBACKA;
2145 FIXME(" GetItem called with LPSTR_TEXTCALLBACK\n");
2146 }
2147 else
2148 {
2149 WideCharToMultiByte(CP_ACP, 0, wineItem->pszText, -1,
2150 (LPSTR)tvItem->pszText, tvItem->cchTextMax, NULL, NULL);
2151 }
2152 }
2153 }
2154
2155 if (tvItem->mask & TVIF_STATEEX)
2156 {
2157 FIXME("Extended item state not supported, returning 0.\n");
2158 tvItem->uStateEx = 0;
2159 }
2160
2161 TRACE("item <%p>, txt %p, img %d, mask %x\n",
2162 wineItem, tvItem->pszText, tvItem->iImage, tvItem->mask);
2163
2164 return TRUE;
2165 }
2166
2167 /* Beware MSDN Library Visual Studio 6.0. It says -1 on failure, 0 on success,
2168 * which is wrong. */
2169 static LRESULT
2170 TREEVIEW_SetItemT(TREEVIEW_INFO *infoPtr, const TVITEMEXW *tvItem, BOOL isW)
2171 {
2172 TREEVIEW_ITEM *wineItem;
2173 TREEVIEW_ITEM originalItem;
2174
2175 wineItem = tvItem->hItem;
2176
2177 TRACE("item %d,mask %x\n", TREEVIEW_GetItemIndex(infoPtr, wineItem),
2178 tvItem->mask);
2179
2180 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
2181 return FALSE;
2182
2183 /* store the original item values */
2184 originalItem = *wineItem;
2185
2186 if (!TREEVIEW_DoSetItemT(infoPtr, wineItem, tvItem, isW))
2187 return FALSE;
2188
2189 /* If the text or TVIS_BOLD was changed, and it is visible, recalculate. */
2190 if ((tvItem->mask & TVIF_TEXT
2191 || (tvItem->mask & TVIF_STATE && tvItem->stateMask & TVIS_BOLD))
2192 && ISVISIBLE(wineItem))
2193 {
2194 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, TVIF_TEXT);
2195 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, 0);
2196 }
2197
2198 if (tvItem->mask != 0 && ISVISIBLE(wineItem))
2199 {
2200 /* The refresh updates everything, but we can't wait until then. */
2201 TREEVIEW_ComputeItemInternalMetrics(infoPtr, wineItem);
2202
2203 /* if any of the item's values changed and it's not a callback, redraw the item */
2204 if (item_changed(&originalItem, wineItem, tvItem))
2205 {
2206 if (tvItem->mask & TVIF_INTEGRAL)
2207 {
2208 TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
2209 TREEVIEW_UpdateScrollBars(infoPtr);
2210
2211 TREEVIEW_Invalidate(infoPtr, NULL);
2212 }
2213 else
2214 {
2215 TREEVIEW_UpdateScrollBars(infoPtr);
2216 TREEVIEW_Invalidate(infoPtr, wineItem);
2217 }
2218 }
2219 }
2220
2221 return TRUE;
2222 }
2223
2224 static LRESULT
2225 TREEVIEW_GetItemState(const TREEVIEW_INFO *infoPtr, HTREEITEM wineItem, UINT mask)
2226 {
2227 TRACE("\n");
2228
2229 if (!wineItem || !TREEVIEW_ValidItem(infoPtr, wineItem))
2230 return 0;
2231
2232 return (wineItem->state & mask);
2233 }
2234
2235 static LRESULT
2236 TREEVIEW_GetNextItem(const TREEVIEW_INFO *infoPtr, UINT which, HTREEITEM wineItem)
2237 {
2238 TREEVIEW_ITEM *retval;
2239
2240 retval = 0;
2241
2242 /* handle all the global data here */
2243 switch (which)
2244 {
2245 case TVGN_CHILD: /* Special case: child of 0 is root */
2246 if (wineItem)
2247 break;
2248 /* fall through */
2249 case TVGN_ROOT:
2250 retval = infoPtr->root->firstChild;
2251 break;
2252
2253 case TVGN_CARET:
2254 retval = infoPtr->selectedItem;
2255 break;
2256
2257 case TVGN_FIRSTVISIBLE:
2258 retval = infoPtr->firstVisible;
2259 break;
2260
2261 case TVGN_DROPHILITE:
2262 retval = infoPtr->dropItem;
2263 break;
2264
2265 case TVGN_LASTVISIBLE:
2266 retval = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
2267 break;
2268 }
2269
2270 if (retval)
2271 {
2272 TRACE("flags:%x, returns %p\n", which, retval);
2273 return (LRESULT)retval;
2274 }
2275
2276 if (wineItem == TVI_ROOT) wineItem = infoPtr->root;
2277
2278 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
2279 return FALSE;
2280
2281 switch (which)
2282 {
2283 case TVGN_NEXT:
2284 retval = wineItem->nextSibling;
2285 break;
2286 case TVGN_PREVIOUS:
2287 retval = wineItem->prevSibling;
2288 break;
2289 case TVGN_PARENT:
2290 retval = (wineItem->parent != infoPtr->root) ? wineItem->parent : NULL;
2291 break;
2292 case TVGN_CHILD:
2293 retval = wineItem->firstChild;
2294 break;
2295 case TVGN_NEXTVISIBLE:
2296 retval = TREEVIEW_GetNextListItem(infoPtr, wineItem);
2297 break;
2298 case TVGN_PREVIOUSVISIBLE:
2299 retval = TREEVIEW_GetPrevListItem(infoPtr, wineItem);
2300 break;
2301 default:
2302 TRACE("Unknown msg %x,item %p\n", which, wineItem);
2303 break;
2304 }
2305
2306 TRACE("flags:%x, item %p;returns %p\n", which, wineItem, retval);
2307 return (LRESULT)retval;
2308 }
2309
2310
2311 static LRESULT
2312 TREEVIEW_GetCount(const TREEVIEW_INFO *infoPtr)
2313 {
2314 TRACE(" %d\n", infoPtr->uNumItems);
2315 return (LRESULT)infoPtr->uNumItems;
2316 }
2317
2318 static VOID
2319 TREEVIEW_ToggleItemState(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
2320 {
2321 if (infoPtr->dwStyle & TVS_CHECKBOXES)
2322 {
2323 static const unsigned int state_table[] = { 0, 2, 1 };
2324
2325 unsigned int state;
2326
2327 state = STATEIMAGEINDEX(item->state);
2328 TRACE("state:%x\n", state);
2329 item->state &= ~TVIS_STATEIMAGEMASK;
2330
2331 if (state < 3)
2332 state = state_table[state];
2333
2334 item->state |= INDEXTOSTATEIMAGEMASK(state);
2335
2336 TRACE("state:%x\n", state);
2337 TREEVIEW_Invalidate(infoPtr, item);
2338 }
2339 }
2340
2341
2342 /* Painting *************************************************************/
2343
2344 /* Draw the lines and expand button for an item. Also draws one section
2345 * of the line from item's parent to item's parent's next sibling. */
2346 static void
2347 TREEVIEW_DrawItemLines(const TREEVIEW_INFO *infoPtr, HDC hdc, const TREEVIEW_ITEM *item)
2348 {
2349 LONG centerx, centery;
2350 BOOL lar = ((infoPtr->dwStyle
2351 & (TVS_LINESATROOT|TVS_HASLINES|TVS_HASBUTTONS))
2352 > TVS_LINESATROOT);
2353 HBRUSH hbr, hbrOld;
2354 COLORREF clrBk = GETBKCOLOR(infoPtr->clrBk);
2355
2356 if (!lar && item->iLevel == 0)
2357 return;
2358
2359 hbr = CreateSolidBrush(clrBk);
2360 hbrOld = SelectObject(hdc, hbr);
2361
2362 centerx = (item->linesOffset + item->stateOffset) / 2;
2363 centery = (item->rect.top + item->rect.bottom) / 2;
2364
2365 if (infoPtr->dwStyle & TVS_HASLINES)
2366 {
2367 HPEN hOldPen, hNewPen;
2368 HTREEITEM parent;
2369 LOGBRUSH lb;
2370
2371 /* Get a dotted grey pen */
2372 lb.lbStyle = BS_SOLID;
2373 lb.lbColor = GETLINECOLOR(infoPtr->clrLine);
2374 hNewPen = ExtCreatePen(PS_COSMETIC|PS_ALTERNATE, 1, &lb, 0, NULL);
2375 hOldPen = SelectObject(hdc, hNewPen);
2376
2377 /* Make sure the center is on a dot (using +2 instead
2378 * of +1 gives us pixel-by-pixel compat with native) */
2379 centery = (centery + 2) & ~1;
2380
2381 MoveToEx(hdc, item->stateOffset, centery, NULL);
2382 LineTo(hdc, centerx - 1, centery);
2383
2384 if (item->prevSibling || item->parent != infoPtr->root)
2385 {
2386 MoveToEx(hdc, centerx, item->rect.top, NULL);
2387 LineTo(hdc, centerx, centery);
2388 }
2389
2390 if (item->nextSibling)
2391 {
2392 MoveToEx(hdc, centerx, centery, NULL);
2393 LineTo(hdc, centerx, item->rect.bottom + 1);
2394 }
2395
2396 /* Draw the line from our parent to its next sibling. */
2397 parent = item->parent;
2398 while (parent != infoPtr->root)
2399 {
2400 int pcenterx = (parent->linesOffset + parent->stateOffset) / 2;
2401
2402 if (parent->nextSibling
2403 /* skip top-levels unless TVS_LINESATROOT */
2404 && parent->stateOffset > parent->linesOffset)
2405 {
2406 MoveToEx(hdc, pcenterx, item->rect.top, NULL);
2407 LineTo(hdc, pcenterx, item->rect.bottom + 1);
2408 }
2409
2410 parent = parent->parent;
2411 }
2412
2413 SelectObject(hdc, hOldPen);
2414 DeleteObject(hNewPen);
2415 }
2416
2417 /*
2418 * Display the (+/-) signs
2419 */
2420
2421 if (infoPtr->dwStyle & TVS_HASBUTTONS)
2422 {
2423 if (item->cChildren)
2424 {
2425 HTHEME theme = GetWindowTheme(infoPtr->hwnd);
2426 if (theme)
2427 {
2428 RECT glyphRect = item->rect;
2429 glyphRect.left = item->linesOffset;
2430 glyphRect.right = item->stateOffset;
2431 DrawThemeBackground (theme, hdc, TVP_GLYPH,
2432 (item->state & TVIS_EXPANDED) ? GLPS_OPENED : GLPS_CLOSED,
2433 &glyphRect, NULL);
2434 }
2435 else
2436 {
2437 LONG height = item->rect.bottom - item->rect.top;
2438 LONG width = item->stateOffset - item->linesOffset;
2439 LONG rectsize = min(height, width) / 4;
2440 /* plussize = ceil(rectsize * 3/4) */
2441 LONG plussize = (rectsize + 1) * 3 / 4;
2442
2443 HPEN new_pen = CreatePen(PS_SOLID, 0, GETLINECOLOR(infoPtr->clrLine));
2444 HPEN old_pen = SelectObject(hdc, new_pen);
2445
2446 Rectangle(hdc, centerx - rectsize - 1, centery - rectsize - 1,
2447 centerx + rectsize + 2, centery + rectsize + 2);
2448
2449 SelectObject(hdc, old_pen);
2450 DeleteObject(new_pen);
2451
2452 /* draw +/- signs with current text color */
2453 new_pen = CreatePen(PS_SOLID, 0, GETTXTCOLOR(infoPtr->clrText));
2454 old_pen = SelectObject(hdc, new_pen);
2455
2456 if (height < 18 || width < 18)
2457 {
2458 MoveToEx(hdc, centerx - plussize + 1, centery, NULL);
2459 LineTo(hdc, centerx + plussize, centery);
2460
2461 if (!(item->state & TVIS_EXPANDED))
2462 {
2463 MoveToEx(hdc, centerx, centery - plussize + 1, NULL);
2464 LineTo(hdc, centerx, centery + plussize);
2465 }
2466 }
2467 else
2468 {
2469 Rectangle(hdc, centerx - plussize + 1, centery - 1,
2470 centerx + plussize, centery + 2);
2471
2472 if (!(item->state & TVIS_EXPANDED))
2473 {
2474 Rectangle(hdc, centerx - 1, centery - plussize + 1,
2475 centerx + 2, centery + plussize);
2476 SetPixel(hdc, centerx - 1, centery, clrBk);
2477 SetPixel(hdc, centerx + 1, centery, clrBk);
2478 }
2479 }
2480
2481 SelectObject(hdc, old_pen);
2482 DeleteObject(new_pen);
2483 }
2484 }
2485 }
2486 SelectObject(hdc, hbrOld);
2487 DeleteObject(hbr);
2488 }
2489
2490 static void
2491 TREEVIEW_DrawItem(const TREEVIEW_INFO *infoPtr, HDC hdc, TREEVIEW_ITEM *wineItem)
2492 {
2493 INT cditem;
2494 HFONT hOldFont;
2495 COLORREF oldTextColor, oldTextBkColor;
2496 int centery;
2497 BOOL inFocus = (GetFocus() == infoPtr->hwnd);
2498 NMTVCUSTOMDRAW nmcdhdr;
2499
2500 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, CALLBACK_MASK_ALL);
2501
2502 /* - If item is drop target or it is selected and window is in focus -
2503 * use blue background (COLOR_HIGHLIGHT).
2504 * - If item is selected, window is not in focus, but it has style
2505 * TVS_SHOWSELALWAYS - use grey background (COLOR_BTNFACE)
2506 * - Otherwise - use background color
2507 */
2508 if ((wineItem->state & TVIS_DROPHILITED) || ((wineItem == infoPtr->focusedItem) && !(wineItem->state & TVIS_SELECTED)) ||
2509 ((wineItem->state & TVIS_SELECTED) && (!infoPtr->focusedItem) &&
2510 (inFocus || (infoPtr->dwStyle & TVS_SHOWSELALWAYS))))
2511 {
2512 if ((wineItem->state & TVIS_DROPHILITED) || inFocus)
2513 {
2514 nmcdhdr.clrTextBk = comctl32_color.clrHighlight;
2515 nmcdhdr.clrText = comctl32_color.clrHighlightText;
2516 }
2517 else
2518 {
2519 nmcdhdr.clrTextBk = comctl32_color.clrBtnFace;
2520 nmcdhdr.clrText = GETTXTCOLOR(infoPtr->clrText);
2521 }
2522 }
2523 else
2524 {
2525 nmcdhdr.clrTextBk = GETBKCOLOR(infoPtr->clrBk);
2526 if ((infoPtr->dwStyle & TVS_TRACKSELECT) && (wineItem == infoPtr->hotItem))
2527 nmcdhdr.clrText = comctl32_color.clrHighlight;
2528 else
2529 nmcdhdr.clrText = GETTXTCOLOR(infoPtr->clrText);
2530 }
2531
2532 hOldFont = SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, wineItem));
2533
2534 /* The custom draw handler can query the text rectangle,
2535 * so get ready. */
2536 /* should already be known, set to 0 when changed */
2537 if (!wineItem->textWidth)
2538 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, hdc);
2539
2540 cditem = 0;
2541
2542 if (infoPtr->cdmode & CDRF_NOTIFYITEMDRAW)
2543 {
2544 cditem = TREEVIEW_SendCustomDrawItemNotify
2545 (infoPtr, hdc, wineItem, CDDS_ITEMPREPAINT, &nmcdhdr);
2546 TRACE("prepaint:cditem-app returns 0x%x\n", cditem);
2547
2548 if (cditem & CDRF_SKIPDEFAULT)
2549 {
2550 SelectObject(hdc, hOldFont);
2551 return;
2552 }
2553 }
2554
2555 if (cditem & CDRF_NEWFONT)
2556 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, hdc);
2557
2558 TREEVIEW_DrawItemLines(infoPtr, hdc, wineItem);
2559
2560 /* Set colors. Custom draw handler can change these so we do this after it. */
2561 oldTextColor = SetTextColor(hdc, nmcdhdr.clrText);
2562 oldTextBkColor = SetBkColor(hdc, nmcdhdr.clrTextBk);
2563
2564 centery = (wineItem->rect.top + wineItem->rect.bottom) / 2;
2565
2566 /*
2567 * Display the images associated with this item
2568 */
2569 {
2570 INT imageIndex;
2571
2572 /* State images are displayed to the left of the Normal image
2573 * image number is in state; zero should be `display no image'.
2574 */
2575 imageIndex = STATEIMAGEINDEX(wineItem->state);
2576
2577 if (infoPtr->himlState && imageIndex)
2578 {
2579 ImageList_Draw(infoPtr->himlState, imageIndex, hdc,
2580 wineItem->stateOffset,
2581 centery - infoPtr->stateImageHeight / 2,
2582 ILD_NORMAL);
2583 }
2584
2585 /* Now, draw the normal image; can be either selected,
2586 * non-selected or expanded image.
2587 */
2588
2589 if ((wineItem->state & TVIS_SELECTED) && (wineItem->iSelectedImage >= 0))
2590 {
2591 /* The item is currently selected */
2592 imageIndex = wineItem->iSelectedImage;
2593 }
2594 else if ((wineItem->state & TVIS_EXPANDED) && (wineItem->iExpandedImage != (WORD)I_IMAGENONE))
2595 {
2596 /* The item is currently not selected but expanded */
2597 imageIndex = wineItem->iExpandedImage;
2598 }
2599 else
2600 {
2601 /* The item is not selected and not expanded */
2602 imageIndex = wineItem->iImage;
2603 }
2604
2605 if (infoPtr->himlNormal)
2606 {
2607 int ovlIdx = wineItem->state & TVIS_OVERLAYMASK;
2608
2609 ImageList_Draw(infoPtr->himlNormal, imageIndex, hdc,
2610 wineItem->imageOffset,
2611 centery - infoPtr->normalImageHeight / 2,
2612 ILD_NORMAL | ovlIdx);
2613 }
2614 }
2615
2616
2617 /*
2618 * Display the text associated with this item
2619 */
2620
2621 /* Don't paint item's text if it's being edited */
2622 if (!infoPtr->hwndEdit || (infoPtr->selectedItem != wineItem))
2623 {
2624 if (wineItem->pszText)
2625 {
2626 RECT rcText;
2627
2628 rcText.top = wineItem->rect.top;
2629 rcText.bottom = wineItem->rect.bottom;
2630 rcText.left = wineItem->textOffset;
2631 rcText.right = rcText.left + wineItem->textWidth + 4;
2632
2633 TRACE("drawing text %s at (%s)\n",
2634 debugstr_w(wineItem->pszText), wine_dbgstr_rect(&rcText));
2635
2636 /* Draw it */
2637 ExtTextOutW(hdc, rcText.left + 2, rcText.top + 1,
2638 ETO_CLIPPED | ETO_OPAQUE,
2639 &rcText,
2640 wineItem->pszText,
2641 lstrlenW(wineItem->pszText),
2642 NULL);
2643
2644 /* Draw the box around the selected item */
2645 if ((wineItem == infoPtr->selectedItem) && inFocus)
2646 {
2647 DrawFocusRect(hdc,&rcText);
2648 }
2649
2650 }
2651 }
2652
2653 /* Draw insertion mark if necessary */
2654
2655 if (infoPtr->insertMarkItem)
2656 TRACE("item:%d,mark:%p\n",
2657 TREEVIEW_GetItemIndex(infoPtr, wineItem),
2658 infoPtr->insertMarkItem);
2659
2660 if (wineItem == infoPtr->insertMarkItem)
2661 {
2662 HPEN hNewPen, hOldPen;
2663 int offset;
2664 int left, right;
2665
2666 hNewPen = CreatePen(PS_SOLID, 2, GETINSCOLOR(infoPtr->clrInsertMark));
2667 hOldPen = SelectObject(hdc, hNewPen);
2668
2669 if (infoPtr->insertBeforeorAfter)
2670 offset = wineItem->rect.bottom - 1;
2671 else
2672 offset = wineItem->rect.top + 1;
2673
2674 left = wineItem->textOffset - 2;
2675 right = wineItem->textOffset + wineItem->textWidth + 2;
2676
2677 MoveToEx(hdc, left, offset - 3, NULL);
2678 LineTo(hdc, left, offset + 4);
2679
2680 MoveToEx(hdc, left, offset, NULL);
2681 LineTo(hdc, right + 1, offset);
2682
2683 MoveToEx(hdc, right, offset + 3, NULL);
2684 LineTo(hdc, right, offset - 4);
2685
2686 SelectObject(hdc, hOldPen);
2687 DeleteObject(hNewPen);
2688 }
2689
2690 if (cditem & CDRF_NOTIFYPOSTPAINT)
2691 {
2692 cditem = TREEVIEW_SendCustomDrawItemNotify
2693 (infoPtr, hdc, wineItem, CDDS_ITEMPOSTPAINT, &nmcdhdr);
2694 TRACE("postpaint:cditem-app returns 0x%x\n", cditem);
2695 }
2696
2697 /* Restore the hdc state */
2698 SetTextColor(hdc, oldTextColor);
2699 SetBkColor(hdc, oldTextBkColor);
2700 SelectObject(hdc, hOldFont);
2701 }
2702
2703 /* Computes treeHeight and treeWidth and updates the scroll bars.
2704 */
2705 static void
2706 TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr)
2707 {
2708 TREEVIEW_ITEM *wineItem;
2709 HWND hwnd = infoPtr->hwnd;
2710 BOOL vert = FALSE;
2711 BOOL horz = FALSE;
2712 SCROLLINFO si;
2713 LONG scrollX = infoPtr->scrollX;
2714
2715 infoPtr->treeWidth = 0;
2716 infoPtr->treeHeight = 0;
2717
2718 /* We iterate through all visible items in order to get the tree height
2719 * and width */
2720 wineItem = infoPtr->root->firstChild;
2721
2722 while (wineItem != NULL)
2723 {
2724 if (ISVISIBLE(wineItem))
2725 {
2726 /* actually we draw text at textOffset + 2 */
2727 if (2+wineItem->textOffset+wineItem->textWidth > infoPtr->treeWidth)
2728 infoPtr->treeWidth = wineItem->textOffset+wineItem->textWidth+2;
2729
2730 /* This is scroll-adjusted, but we fix this below. */
2731 infoPtr->treeHeight = wineItem->rect.bottom;
2732 }
2733
2734 wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem);
2735 }
2736
2737 /* Fix the scroll adjusted treeHeight and treeWidth. */
2738 if (infoPtr->root->firstChild)
2739 infoPtr->treeHeight -= infoPtr->root->firstChild->rect.top;
2740
2741 infoPtr->treeWidth += infoPtr->scrollX;
2742
2743 if (infoPtr->dwStyle & TVS_NOSCROLL) return;
2744
2745 /* Adding one scroll bar may take up enough space that it forces us
2746 * to add the other as well. */
2747 if (infoPtr->treeHeight > infoPtr->clientHeight)
2748 {
2749 vert = TRUE;
2750
2751 if (infoPtr->treeWidth
2752 > infoPtr->clientWidth - GetSystemMetrics(SM_CXVSCROLL))
2753 horz = TRUE;
2754 }
2755 else if (infoPtr->treeWidth > infoPtr->clientWidth || infoPtr->scrollX > 0)
2756 horz = TRUE;
2757
2758 if (!vert && horz && infoPtr->treeHeight
2759 > infoPtr->clientHeight - GetSystemMetrics(SM_CYVSCROLL))
2760 vert = TRUE;
2761
2762 if (horz && (infoPtr->dwStyle & TVS_NOHSCROLL)) horz = FALSE;
2763
2764 si.cbSize = sizeof(SCROLLINFO);
2765 si.fMask = SIF_POS|SIF_RANGE|SIF_PAGE;
2766 si.nMin = 0;
2767
2768 if (vert)
2769 {
2770 si.nPage = TREEVIEW_GetVisibleCount(infoPtr);
2771 if ( si.nPage && NULL != infoPtr->firstVisible)
2772 {
2773 si.nPos = infoPtr->firstVisible->visibleOrder;
2774 si.nMax = infoPtr->maxVisibleOrder - 1;
2775
2776 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
2777
2778 if (!(infoPtr->uInternalStatus & TV_VSCROLL))
2779 ShowScrollBar(hwnd, SB_VERT, TRUE);
2780 infoPtr->uInternalStatus |= TV_VSCROLL;
2781 }
2782 else
2783 {
2784 if (infoPtr->uInternalStatus & TV_VSCROLL)
2785 ShowScrollBar(hwnd, SB_VERT, FALSE);
2786 infoPtr->uInternalStatus &= ~TV_VSCROLL;
2787 }
2788 }
2789 else
2790 {
2791 if (infoPtr->uInternalStatus & TV_VSCROLL)
2792 ShowScrollBar(hwnd, SB_VERT, FALSE);
2793 infoPtr->uInternalStatus &= ~TV_VSCROLL;
2794 }
2795
2796 if (horz)
2797 {
2798 si.nPage = infoPtr->clientWidth;
2799 si.nPos = infoPtr->scrollX;
2800 si.nMax = infoPtr->treeWidth - 1;
2801
2802 if (si.nPos > si.nMax - max( si.nPage-1, 0 ))
2803 {
2804 si.nPos = si.nMax - max( si.nPage-1, 0 );
2805 scrollX = si.nPos;
2806 }
2807
2808 if (!(infoPtr->uInternalStatus & TV_HSCROLL))
2809 ShowScrollBar(hwnd, SB_HORZ, TRUE);
2810 infoPtr->uInternalStatus |= TV_HSCROLL;
2811
2812 SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
2813 TREEVIEW_HScroll(infoPtr,
2814 MAKEWPARAM(SB_THUMBPOSITION, scrollX));
2815 }
2816 else
2817 {
2818 if (infoPtr->uInternalStatus & TV_HSCROLL)
2819 ShowScrollBar(hwnd, SB_HORZ, FALSE);
2820 infoPtr->uInternalStatus &= ~TV_HSCROLL;
2821
2822 scrollX = 0;
2823 if (infoPtr->scrollX != 0)
2824 {
2825 TREEVIEW_HScroll(infoPtr,
2826 MAKEWPARAM(SB_THUMBPOSITION, scrollX));
2827 }
2828 }
2829
2830 if (!horz)
2831 infoPtr->uInternalStatus &= ~TV_HSCROLL;
2832 }
2833
2834 static void
2835 TREEVIEW_FillBkgnd(const TREEVIEW_INFO *infoPtr, HDC hdc, const RECT *rc)
2836 {
2837 HBRUSH hBrush;
2838 COLORREF clrBk = GETBKCOLOR(infoPtr->clrBk);
2839
2840 hBrush = CreateSolidBrush(clrBk);
2841 FillRect(hdc, rc, hBrush);
2842 DeleteObject(hBrush);
2843 }
2844
2845 /* CtrlSpy doesn't mention this, but CorelDRAW's object manager needs it. */
2846 static LRESULT
2847 TREEVIEW_EraseBackground(const TREEVIEW_INFO *infoPtr, HDC hdc)
2848 {
2849 RECT rect;
2850
2851 TRACE("%p\n", infoPtr);
2852
2853 GetClientRect(infoPtr->hwnd, &rect);
2854 TREEVIEW_FillBkgnd(infoPtr, hdc, &rect);
2855
2856 return 1;
2857 }
2858
2859 static void
2860 TREEVIEW_Refresh(TREEVIEW_INFO *infoPtr, HDC hdc, const RECT *rc)
2861 {
2862 HWND hwnd = infoPtr->hwnd;
2863 RECT rect = *rc;
2864 TREEVIEW_ITEM *wineItem;
2865
2866 if (infoPtr->clientHeight == 0 || infoPtr->clientWidth == 0)
2867 {
2868 TRACE("empty window\n");
2869 return;
2870 }
2871
2872 infoPtr->cdmode = TREEVIEW_SendCustomDrawNotify(infoPtr, CDDS_PREPAINT,
2873 hdc, rect);
2874
2875 if (infoPtr->cdmode == CDRF_SKIPDEFAULT)
2876 {
2877 ReleaseDC(hwnd, hdc);
2878 return;
2879 }
2880
2881 for (wineItem = infoPtr->root->firstChild;
2882 wineItem != NULL;
2883 wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem))
2884 {
2885 if (ISVISIBLE(wineItem))
2886 {
2887 /* Avoid unneeded calculations */
2888 if (wineItem->rect.top > rect.bottom)
2889 break;
2890 if (wineItem->rect.bottom < rect.top)
2891 continue;
2892
2893 TREEVIEW_DrawItem(infoPtr, hdc, wineItem);
2894 }
2895 }
2896
2897 TREEVIEW_UpdateScrollBars(infoPtr);
2898
2899 if (infoPtr->cdmode & CDRF_NOTIFYPOSTPAINT)
2900 infoPtr->cdmode =
2901 TREEVIEW_SendCustomDrawNotify(infoPtr, CDDS_POSTPAINT, hdc, rect);
2902 }
2903
2904 static inline void
2905 TREEVIEW_InvalidateItem(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
2906 {
2907 if (item) InvalidateRect(infoPtr->hwnd, &item->rect, TRUE);
2908 }
2909
2910 static void
2911 TREEVIEW_Invalidate(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
2912 {
2913 if (item)
2914 InvalidateRect(infoPtr->hwnd, &item->rect, TRUE);
2915 else
2916 InvalidateRect(infoPtr->hwnd, NULL, TRUE);
2917 }
2918
2919 static LRESULT
2920 TREEVIEW_Paint(TREEVIEW_INFO *infoPtr, HDC hdc_ref)
2921 {
2922 HDC hdc;
2923 PAINTSTRUCT ps;
2924 RECT rc;
2925
2926 TRACE("(%p %p)\n", infoPtr, hdc_ref);
2927
2928 if (hdc_ref)
2929 {
2930 hdc = hdc_ref;
2931 GetClientRect(infoPtr->hwnd, &rc);
2932 TREEVIEW_FillBkgnd(infoPtr, hdc, &rc);
2933 }
2934 else
2935 {
2936 hdc = BeginPaint(infoPtr->hwnd, &ps);
2937 rc = ps.rcPaint;
2938 if(ps.fErase)
2939 TREEVIEW_FillBkgnd(infoPtr, hdc, &rc);
2940 }
2941
2942 if(infoPtr->bRedraw) /* WM_SETREDRAW sets bRedraw */
2943 TREEVIEW_Refresh(infoPtr, hdc, &rc);
2944
2945 if (!hdc_ref)
2946 EndPaint(infoPtr->hwnd, &ps);
2947
2948 return 0;
2949 }
2950
2951 static LRESULT
2952 TREEVIEW_PrintClient(TREEVIEW_INFO *infoPtr, HDC hdc, DWORD options)
2953 {
2954 FIXME("Partial Stub: (hdc=%p options=0x%08x)\n", hdc, options);
2955
2956 if ((options & PRF_CHECKVISIBLE) && !IsWindowVisible(infoPtr->hwnd))
2957 return 0;
2958
2959 if (options & PRF_ERASEBKGND)
2960 TREEVIEW_EraseBackground(infoPtr, hdc);
2961
2962 if (options & PRF_CLIENT)
2963 {
2964 RECT rc;
2965 GetClientRect(infoPtr->hwnd, &rc);
2966 TREEVIEW_Refresh(infoPtr, hdc, &rc);
2967 }
2968
2969 return 0;
2970 }
2971
2972 /* Sorting **************************************************************/
2973
2974 /***************************************************************************
2975 * Forward the DPA local callback to the treeview owner callback
2976 */
2977 static INT WINAPI
2978 TREEVIEW_CallBackCompare(const TREEVIEW_ITEM *first, const TREEVIEW_ITEM *second,
2979 const TVSORTCB *pCallBackSort)
2980 {
2981 /* Forward the call to the client-defined callback */
2982 return pCallBackSort->lpfnCompare(first->lParam,
2983 second->lParam,
2984 pCallBackSort->lParam);
2985 }
2986
2987 /***************************************************************************
2988 * Treeview native sort routine: sort on item text.
2989 */
2990 static INT WINAPI
2991 TREEVIEW_SortOnName(TREEVIEW_ITEM *first, TREEVIEW_ITEM *second,
2992 const TREEVIEW_INFO *infoPtr)
2993 {
2994 TREEVIEW_UpdateDispInfo(infoPtr, first, TVIF_TEXT);
2995 TREEVIEW_UpdateDispInfo(infoPtr, second, TVIF_TEXT);
2996
2997 if(first->pszText && second->pszText)
2998 return lstrcmpiW(first->pszText, second->pszText);
2999 else if(first->pszText)
3000 return -1;
3001 else if(second->pszText)
3002 return 1;
3003 else
3004 return 0;
3005 }
3006
3007 /* Returns the number of physical children belonging to item. */
3008 static INT
3009 TREEVIEW_CountChildren(const TREEVIEW_ITEM *item)
3010 {
3011 INT cChildren = 0;
3012 HTREEITEM hti;
3013
3014 for (hti = item->firstChild; hti != NULL; hti = hti->nextSibling)
3015 cChildren++;
3016
3017 return cChildren;
3018 }
3019
3020 /* Returns a DPA containing a pointer to each physical child of item in
3021 * sibling order. If item has no children, an empty DPA is returned. */
3022 static HDPA
3023 TREEVIEW_BuildChildDPA(const TREEVIEW_ITEM *item)
3024 {
3025 HTREEITEM child = item->firstChild;
3026
3027 HDPA list = DPA_Create(8);
3028 if (list == 0) return NULL;
3029
3030 for (child = item->firstChild; child != NULL; child = child->nextSibling)
3031 {
3032 if (DPA_InsertPtr(list, INT_MAX, child) == -1)
3033 {
3034 DPA_Destroy(list);
3035 return NULL;
3036 }
3037 }
3038
3039 return list;
3040 }
3041
3042 /***************************************************************************
3043 * Setup the treeview structure with regards of the sort method
3044 * and sort the children of the TV item specified in lParam
3045 * fRecurse: currently unused. Should be zero.
3046 * parent: if pSort!=NULL, should equal pSort->hParent.
3047 * otherwise, item which child items are to be sorted.
3048 * pSort: sort method info. if NULL, sort on item text.
3049 * if non-NULL, sort on item's lParam content, and let the
3050 * application decide what that means. See also TVM_SORTCHILDRENCB.
3051 */
3052
3053 static LRESULT
3054 TREEVIEW_Sort(TREEVIEW_INFO *infoPtr, HTREEITEM parent,
3055 LPTVSORTCB pSort)
3056 {
3057 INT cChildren;
3058 PFNDPACOMPARE pfnCompare;
3059 LPARAM lpCompare;
3060
3061 /* undocumented feature: TVI_ROOT or NULL means `sort the whole tree' */
3062 if (parent == TVI_ROOT || parent == NULL)
3063 parent = infoPtr->root;
3064
3065 /* Check for a valid handle to the parent item */
3066 if (!TREEVIEW_ValidItem(infoPtr, parent))
3067 {
3068 ERR("invalid item hParent=%p\n", parent);
3069 return FALSE;
3070 }
3071
3072 if (pSort)
3073 {
3074 pfnCompare = (PFNDPACOMPARE)TREEVIEW_CallBackCompare;
3075 lpCompare = (LPARAM)pSort;
3076 }
3077 else
3078 {
3079 pfnCompare = (PFNDPACOMPARE)TREEVIEW_SortOnName;
3080 lpCompare = (LPARAM)infoPtr;
3081 }
3082
3083 cChildren = TREEVIEW_CountChildren(parent);
3084
3085 /* Make sure there is something to sort */
3086 if (cChildren > 1)
3087 {
3088 /* TREEVIEW_ITEM rechaining */
3089 INT count = 0;
3090 HTREEITEM item = 0;
3091 HTREEITEM nextItem = 0;
3092 HTREEITEM prevItem = 0;
3093
3094 HDPA sortList = TREEVIEW_BuildChildDPA(parent);
3095
3096 if (sortList == NULL)
3097 return FALSE;
3098
3099 /* let DPA sort the list */
3100 DPA_Sort(sortList, pfnCompare, lpCompare);
3101
3102 /* The order of DPA entries has been changed, so fixup the
3103 * nextSibling and prevSibling pointers. */
3104
3105 item = DPA_GetPtr(sortList, count++);
3106 while ((nextItem = DPA_GetPtr(sortList, count++)) != NULL)
3107 {
3108 /* link the two current item together */
3109 item->nextSibling = nextItem;
3110 nextItem->prevSibling = item;
3111
3112 if (prevItem == NULL)
3113 {
3114 /* this is the first item, update the parent */
3115 parent->firstChild = item;
3116 item->prevSibling = NULL;
3117 }
3118 else
3119 {
3120 /* fix the back chaining */
3121 item->prevSibling = prevItem;
3122 }
3123
3124 /* get ready for the next one */
3125 prevItem = item;
3126 item = nextItem;
3127 }
3128
3129 /* the last item is pointed to by item and never has a sibling */
3130 item->nextSibling = NULL;
3131 parent->lastChild = item;
3132
3133 DPA_Destroy(sortList);
3134
3135 TREEVIEW_VerifyTree(infoPtr);
3136
3137 if (parent->state & TVIS_EXPANDED)
3138 {
3139 int visOrder = infoPtr->firstVisible->visibleOrder;
3140
3141 if (parent == infoPtr->root)
3142 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
3143 else
3144 TREEVIEW_RecalculateVisibleOrder(infoPtr, parent);
3145
3146 if (TREEVIEW_IsChildOf(parent, infoPtr->firstVisible))
3147 {
3148 TREEVIEW_ITEM *item;
3149
3150 for (item = infoPtr->root->firstChild; item != NULL;
3151 item = TREEVIEW_GetNextListItem(infoPtr, item))
3152 {
3153 if (item->visibleOrder == visOrder)
3154 break;
3155 }
3156
3157 if (!item) item = parent->firstChild;
3158 TREEVIEW_SetFirstVisible(infoPtr, item, FALSE);
3159 }
3160
3161 TREEVIEW_Invalidate(infoPtr, NULL);
3162 }
3163
3164 return TRUE;
3165 }
3166 return FALSE;
3167 }
3168
3169
3170 /***************************************************************************
3171 * Setup the treeview structure with regards of the sort method
3172 * and sort the children of the TV item specified in lParam
3173 */
3174 static LRESULT
3175 TREEVIEW_SortChildrenCB(TREEVIEW_INFO *infoPtr, LPTVSORTCB pSort)
3176 {
3177 return TREEVIEW_Sort(infoPtr, pSort->hParent, pSort);
3178 }
3179
3180
3181 /***************************************************************************
3182 * Sort the children of the TV item specified in lParam.
3183 */
3184 static LRESULT
3185 TREEVIEW_SortChildren(TREEVIEW_INFO *infoPtr, LPARAM lParam)
3186 {
3187 return TREEVIEW_Sort(infoPtr, (HTREEITEM)lParam, NULL);
3188 }
3189
3190
3191 /* Expansion/Collapse ***************************************************/
3192
3193 static BOOL
3194 TREEVIEW_SendExpanding(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3195 UINT action)
3196 {
3197 return !TREEVIEW_SendTreeviewNotify(infoPtr, TVN_ITEMEXPANDINGW, action,
3198 TVIF_HANDLE | TVIF_STATE | TVIF_PARAM
3199 | TVIF_IMAGE | TVIF_SELECTEDIMAGE,
3200 0, wineItem);
3201 }
3202
3203 static VOID
3204 TREEVIEW_SendExpanded(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3205 UINT action)
3206 {
3207 TREEVIEW_SendTreeviewNotify(infoPtr, TVN_ITEMEXPANDEDW, action,
3208 TVIF_HANDLE | TVIF_STATE | TVIF_PARAM
3209 | TVIF_IMAGE | TVIF_SELECTEDIMAGE,
3210 0, wineItem);
3211 }
3212
3213
3214 /* This corresponds to TVM_EXPAND with TVE_COLLAPSE.
3215 * bRemoveChildren corresponds to TVE_COLLAPSERESET. */
3216 static BOOL
3217 TREEVIEW_Collapse(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3218 BOOL bRemoveChildren, BOOL bUser)
3219 {
3220 UINT action = TVE_COLLAPSE | (bRemoveChildren ? TVE_COLLAPSERESET : 0);
3221 BOOL bSetSelection, bSetFirstVisible;
3222 RECT scrollRect;
3223 LONG scrollDist = 0;
3224 TREEVIEW_ITEM *nextItem = NULL, *tmpItem;
3225
3226 TRACE("TVE_COLLAPSE %p %s\n", wineItem, TREEVIEW_ItemName(wineItem));
3227
3228 if (!(wineItem->state & TVIS_EXPANDED))
3229 return FALSE;
3230
3231 if (bUser || !(wineItem->state & TVIS_EXPANDEDONCE))
3232 TREEVIEW_SendExpanding(infoPtr, wineItem, action);
3233
3234 if (wineItem->firstChild == NULL)
3235 return FALSE;
3236
3237 wineItem->state &= ~TVIS_EXPANDED;
3238
3239 if (bUser || !(wineItem->state & TVIS_EXPANDEDONCE))
3240 TREEVIEW_SendExpanded(infoPtr, wineItem, action);
3241
3242 bSetSelection = (infoPtr->selectedItem != NULL
3243 && TREEVIEW_IsChildOf(wineItem, infoPtr->selectedItem));
3244
3245 bSetFirstVisible = (infoPtr->firstVisible != NULL
3246 && TREEVIEW_IsChildOf(wineItem, infoPtr->firstVisible));
3247
3248 tmpItem = wineItem;
3249 while (tmpItem)
3250 {
3251 if (tmpItem->nextSibling)
3252 {
3253 nextItem = tmpItem->nextSibling;
3254 break;
3255 }
3256 tmpItem = tmpItem->parent;
3257 }
3258
3259 if (nextItem)
3260 scrollDist = nextItem->rect.top;
3261
3262 if (bRemoveChildren)
3263 {
3264 INT old_cChildren = wineItem->cChildren;
3265 TRACE("TVE_COLLAPSERESET\n");
3266 wineItem->state &= ~TVIS_EXPANDEDONCE;
3267 TREEVIEW_RemoveAllChildren(infoPtr, wineItem);
3268 wineItem->cChildren = old_cChildren;
3269 }
3270
3271 if (wineItem->firstChild)
3272 {
3273 TREEVIEW_ITEM *item, *sibling;
3274
3275 sibling = TREEVIEW_GetNextListItem(infoPtr, wineItem);
3276
3277 for (item = wineItem->firstChild; item != sibling;
3278 item = TREEVIEW_GetNextListItem(infoPtr, item))
3279 {
3280 item->visibleOrder = -1;
3281 }
3282 }
3283
3284 TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
3285
3286 if (nextItem)
3287 scrollDist = -(scrollDist - nextItem->rect.top);
3288
3289 if (bSetSelection)
3290 {
3291 /* Don't call DoSelectItem, it sends notifications. */
3292 if (TREEVIEW_ValidItem(infoPtr, infoPtr->selectedItem))
3293 infoPtr->selectedItem->state &= ~TVIS_SELECTED;
3294 wineItem->state |= TVIS_SELECTED;
3295 infoPtr->selectedItem = wineItem;
3296 }
3297
3298 TREEVIEW_UpdateScrollBars(infoPtr);
3299
3300 scrollRect.left = 0;
3301 scrollRect.right = infoPtr->clientWidth;
3302 scrollRect.bottom = infoPtr->clientHeight;
3303
3304 if (nextItem)
3305 {
3306 scrollRect.top = nextItem->rect.top;
3307
3308 ScrollWindowEx (infoPtr->hwnd, 0, scrollDist, &scrollRect, &scrollRect,
3309 NULL, NULL, SW_ERASE | SW_INVALIDATE);
3310 TREEVIEW_Invalidate(infoPtr, wineItem);
3311 } else {
3312 scrollRect.top = wineItem->rect.top;
3313 InvalidateRect(infoPtr->hwnd, &scrollRect, TRUE);
3314 }
3315
3316 TREEVIEW_SetFirstVisible(infoPtr,
3317 bSetFirstVisible ? wineItem : infoPtr->firstVisible,
3318 TRUE);
3319
3320 return TRUE;
3321 }
3322
3323 static BOOL
3324 TREEVIEW_Expand(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3325 BOOL partial, BOOL user)
3326 {
3327 LONG scrollDist;
3328 LONG orgNextTop = 0;
3329 RECT scrollRect;
3330 TREEVIEW_ITEM *nextItem, *tmpItem;
3331 BOOL sendsNotifications;
3332
3333 TRACE("(%p, %p, partial=%d, %d\n", infoPtr, wineItem, partial, user);
3334
3335 if (wineItem->state & TVIS_EXPANDED)
3336 return TRUE;
3337
3338 tmpItem = wineItem; nextItem = NULL;
3339 while (tmpItem)
3340 {
3341 if (tmpItem->nextSibling)
3342 {
3343 nextItem = tmpItem->nextSibling;
3344 break;
3345 }
3346 tmpItem = tmpItem->parent;
3347 }
3348
3349 if (nextItem)
3350 orgNextTop = nextItem->rect.top;
3351
3352 TRACE("TVE_EXPAND %p %s\n", wineItem, TREEVIEW_ItemName(wineItem));
3353
3354 sendsNotifications = user || ((wineItem->cChildren != 0) &&
3355 !(wineItem->state & TVIS_EXPANDEDONCE));
3356 if (sendsNotifications)
3357 {
3358 if (!TREEVIEW_SendExpanding(infoPtr, wineItem, TVE_EXPAND))
3359 {
3360 TRACE(" TVN_ITEMEXPANDING returned TRUE, exiting...\n");
3361 return FALSE;
3362 }
3363 }
3364 if (!wineItem->firstChild)
3365 return FALSE;
3366
3367 wineItem->state |= TVIS_EXPANDED;
3368
3369 if (partial)
3370 FIXME("TVE_EXPANDPARTIAL not implemented\n");
3371
3372 if (ISVISIBLE(wineItem))
3373 {
3374 TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
3375 TREEVIEW_UpdateSubTree(infoPtr, wineItem);
3376 TREEVIEW_UpdateScrollBars(infoPtr);
3377
3378 scrollRect.left = 0;
3379 scrollRect.bottom = infoPtr->treeHeight;
3380 scrollRect.right = infoPtr->clientWidth;
3381 if (nextItem)
3382 {
3383 scrollDist = nextItem->rect.top - orgNextTop;
3384 scrollRect.top = orgNextTop;
3385
3386 ScrollWindowEx (infoPtr->hwnd, 0, scrollDist, &scrollRect, NULL,
3387 NULL, NULL, SW_ERASE | SW_INVALIDATE);
3388 TREEVIEW_Invalidate (infoPtr, wineItem);
3389 } else {
3390 scrollRect.top = wineItem->rect.top;
3391 InvalidateRect(infoPtr->hwnd, &scrollRect, FALSE);
3392 }
3393
3394 /* Scroll up so that as many children as possible are visible.
3395 * This fails when expanding causes an HScroll bar to appear, but we
3396 * don't know that yet, so the last item is obscured. */
3397 if (wineItem->firstChild != NULL)
3398 {
3399 int nChildren = wineItem->lastChild->visibleOrder
3400 - wineItem->firstChild->visibleOrder + 1;
3401
3402 int visible_pos = wineItem->visibleOrder
3403 - infoPtr->firstVisible->visibleOrder;
3404
3405 int rows_below = TREEVIEW_GetVisibleCount(infoPtr) - visible_pos - 1;
3406
3407 if (visible_pos > 0 && nChildren > rows_below)
3408 {
3409 int scroll = nChildren - rows_below;
3410
3411 if (scroll > visible_pos)
3412 scroll = visible_pos;
3413
3414 if (scroll > 0)
3415 {
3416 TREEVIEW_ITEM *newFirstVisible
3417 = TREEVIEW_GetListItem(infoPtr, infoPtr->firstVisible,
3418 scroll);
3419
3420
3421 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
3422 }
3423 }
3424 }
3425 }
3426
3427 if (sendsNotifications) {
3428 TREEVIEW_SendExpanded(infoPtr, wineItem, TVE_EXPAND);
3429 wineItem->state |= TVIS_EXPANDEDONCE;
3430 }
3431
3432 return TRUE;
3433 }
3434
3435 /* Handler for TVS_SINGLEEXPAND behaviour. Used on response
3436 to mouse messages and TVM_SELECTITEM.
3437
3438 selection - previously selected item, used to collapse a part of a tree
3439 item - new selected item
3440 */
3441 static void TREEVIEW_SingleExpand(TREEVIEW_INFO *infoPtr,
3442 HTREEITEM selection, HTREEITEM item)
3443 {
3444 TREEVIEW_ITEM *SelItem;
3445
3446 if ((infoPtr->dwStyle & TVS_SINGLEEXPAND) == 0 || infoPtr->hwndEdit || !item) return;
3447
3448 TREEVIEW_SendTreeviewNotify(infoPtr, TVN_SINGLEEXPAND, TVC_UNKNOWN, TVIF_HANDLE | TVIF_PARAM, item, 0);
3449
3450 /*
3451 * Close the previous selection all the way to the root
3452 * as long as the new selection is not a child
3453 */
3454 if(selection && (selection != item))
3455 {
3456 BOOL closeit = TRUE;
3457 SelItem = item;
3458
3459 /* determine if the hitItem is a child of the currently selected item */
3460 while(closeit && SelItem && TREEVIEW_ValidItem(infoPtr, SelItem) &&
3461 (SelItem->parent != infoPtr->root))
3462 {
3463 closeit = (SelItem != selection);
3464 SelItem = SelItem->parent;
3465 }
3466
3467 if(closeit)
3468 {
3469 if(TREEVIEW_ValidItem(infoPtr, selection))
3470 SelItem = selection;
3471
3472 while(SelItem && (SelItem != item) && TREEVIEW_ValidItem(infoPtr, SelItem) &&
3473 SelItem->parent != infoPtr->root)
3474 {
3475 TREEVIEW_Collapse(infoPtr, SelItem, FALSE, FALSE);
3476 SelItem = SelItem->parent;
3477 }
3478 }
3479 }
3480
3481 /*
3482 * Expand the current item
3483 */
3484 TREEVIEW_Expand(infoPtr, item, FALSE, FALSE);
3485 }
3486
3487 static BOOL
3488 TREEVIEW_Toggle(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem, BOOL bUser)
3489 {
3490 TRACE("\n");
3491
3492 if (wineItem->state & TVIS_EXPANDED)
3493 return TREEVIEW_Collapse(infoPtr, wineItem, FALSE, bUser);
3494 else
3495 return TREEVIEW_Expand(infoPtr, wineItem, FALSE, bUser);
3496 }
3497
3498 static VOID
3499 TREEVIEW_ExpandAll(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
3500 {
3501 TREEVIEW_Expand(infoPtr, item, FALSE, TRUE);
3502
3503 for (item = item->firstChild; item != NULL; item = item->nextSibling)
3504 {
3505 if (TREEVIEW_HasChildren(infoPtr, item))
3506 TREEVIEW_ExpandAll(infoPtr, item);
3507 }
3508 }
3509
3510 /* Note:If the specified item is the child of a collapsed parent item,
3511 the parent's list of child items is (recursively) expanded to reveal the
3512 specified item. This is mentioned for TREEVIEW_SelectItem; don't
3513 know if it also applies here.
3514 */
3515
3516 static LRESULT
3517 TREEVIEW_ExpandMsg(TREEVIEW_INFO *infoPtr, UINT flag, HTREEITEM wineItem)
3518 {
3519 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
3520 return 0;
3521
3522 TRACE("For (%s) item:%d, flags 0x%x, state:%d\n",
3523 TREEVIEW_ItemName(wineItem), TREEVIEW_GetItemIndex(infoPtr, wineItem),
3524 flag, wineItem->state);
3525
3526 switch (flag & TVE_TOGGLE)
3527 {
3528 case TVE_COLLAPSE:
3529 return TREEVIEW_Collapse(infoPtr, wineItem, flag & TVE_COLLAPSERESET,
3530 FALSE);
3531
3532 case TVE_EXPAND:
3533 return TREEVIEW_Expand(infoPtr, wineItem, flag & TVE_EXPANDPARTIAL,
3534 FALSE);
3535
3536 case TVE_TOGGLE:
3537 return TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
3538
3539 default:
3540 return 0;
3541 }
3542 }
3543
3544 /* Hit-Testing **********************************************************/
3545
3546 static TREEVIEW_ITEM *
3547 TREEVIEW_HitTestPoint(const TREEVIEW_INFO *infoPtr, POINT pt)
3548 {
3549 TREEVIEW_ITEM *wineItem;
3550 LONG row;
3551
3552 if (!infoPtr->firstVisible)
3553 return NULL;
3554
3555 row = pt.y / infoPtr->uItemHeight + infoPtr->firstVisible->visibleOrder;
3556
3557 for (wineItem = infoPtr->firstVisible; wineItem != NULL;
3558 wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem))
3559 {
3560 if (row >= wineItem->visibleOrder
3561 && row < wineItem->visibleOrder + wineItem->iIntegral)
3562 break;
3563 }
3564
3565 return wineItem;
3566 }
3567
3568 static LRESULT
3569 TREEVIEW_HitTest(const TREEVIEW_INFO *infoPtr, LPTVHITTESTINFO lpht)
3570 {
3571 TREEVIEW_ITEM *wineItem;
3572 RECT rect;
3573 UINT status;
3574 LONG x, y;
3575
3576 lpht->hItem = 0;
3577 GetClientRect(infoPtr->hwnd, &rect);
3578 status = 0;
3579 x = lpht->pt.x;
3580 y = lpht->pt.y;
3581
3582 if (x < rect.left)
3583 {
3584 status |= TVHT_TOLEFT;
3585 }
3586 else if (x > rect.right)
3587 {
3588 status |= TVHT_TORIGHT;
3589 }
3590
3591 if (y < rect.top)
3592 {
3593 status |= TVHT_ABOVE;
3594 }
3595 else if (y > rect.bottom)
3596 {
3597 status |= TVHT_BELOW;
3598 }
3599
3600 if (status)
3601 {
3602 lpht->flags = status;
3603 return 0;
3604 }
3605
3606 wineItem = TREEVIEW_HitTestPoint(infoPtr, lpht->pt);
3607 if (!wineItem)
3608 {
3609 lpht->flags = TVHT_NOWHERE;
3610 return 0;
3611 }
3612
3613 if (x >= wineItem->textOffset + wineItem->textWidth)
3614 {
3615 lpht->flags = TVHT_ONITEMRIGHT;
3616 }
3617 else if (x >= wineItem->textOffset)
3618 {
3619 lpht->flags = TVHT_ONITEMLABEL;
3620 }
3621 else if (x >= wineItem->imageOffset)
3622 {
3623 lpht->flags = TVHT_ONITEMICON;
3624 }
3625 else if (x >= wineItem->stateOffset)
3626 {
3627 lpht->flags = TVHT_ONITEMSTATEICON;
3628 }
3629 else if (x >= wineItem->linesOffset && infoPtr->dwStyle & TVS_HASBUTTONS)
3630 {
3631 lpht->flags = TVHT_ONITEMBUTTON;
3632 }
3633 else
3634 {
3635 lpht->flags = TVHT_ONITEMINDENT;
3636 }
3637
3638 lpht->hItem = wineItem;
3639 TRACE("(%d,%d):result %x\n", lpht->pt.x, lpht->pt.y, lpht->flags);
3640
3641 return (LRESULT)wineItem;
3642 }
3643
3644 /* Item Label Editing ***************************************************/
3645
3646 static LRESULT
3647 TREEVIEW_GetEditControl(const TREEVIEW_INFO *infoPtr)
3648 {
3649 return (LRESULT)infoPtr->hwndEdit;
3650 }
3651
3652 static LRESULT CALLBACK
3653 TREEVIEW_Edit_SubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
3654 {
3655 TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(GetParent(hwnd));
3656 BOOL bCancel = FALSE;
3657 LRESULT rc;
3658
3659 switch (uMsg)
3660 {
3661 case WM_PAINT:
3662 TRACE("WM_PAINT start\n");
3663 rc = CallWindowProcW(infoPtr->wpEditOrig, hwnd, uMsg, wParam,
3664 lParam);
3665 TRACE("WM_PAINT done\n");
3666 return rc;
3667
3668 case WM_KILLFOCUS:
3669 if (infoPtr->bIgnoreEditKillFocus)
3670 return TRUE;
3671 break;
3672
3673 case WM_DESTROY:
3674 {
3675 WNDPROC editProc = infoPtr->wpEditOrig;
3676 infoPtr->wpEditOrig = 0;
3677 SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (DWORD_PTR)editProc);
3678 return CallWindowProcW(editProc, hwnd, uMsg, wParam, lParam);
3679 }
3680
3681 case WM_GETDLGCODE:
3682 return DLGC_WANTARROWS | DLGC_WANTALLKEYS;
3683
3684 case WM_KEYDOWN:
3685 if (wParam == VK_ESCAPE)
3686 {
3687 bCancel = TRUE;
3688 break;
3689 }
3690 else if (wParam == VK_RETURN)
3691 {
3692 break;
3693 }
3694
3695 /* fall through */
3696 default:
3697 return CallWindowProcW(infoPtr->wpEditOrig, hwnd, uMsg, wParam, lParam);
3698 }
3699
3700 /* Processing TVN_ENDLABELEDIT message could kill the focus */
3701 /* eg. Using a messagebox */
3702
3703 infoPtr->bIgnoreEditKillFocus = TRUE;
3704 TREEVIEW_EndEditLabelNow(infoPtr, bCancel || !infoPtr->bLabelChanged);
3705 infoPtr->bIgnoreEditKillFocus = FALSE;
3706
3707 return 0;
3708 }
3709
3710
3711 /* should handle edit control messages here */
3712
3713 static LRESULT
3714 TREEVIEW_Command(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3715 {
3716 TRACE("code=%x, id=%x, handle=%lx\n", HIWORD(wParam), LOWORD(wParam), lParam);
3717
3718 switch (HIWORD(wParam))
3719 {
3720 case EN_UPDATE:
3721 {
3722 /*
3723 * Adjust the edit window size
3724 */
3725 WCHAR buffer[1024];
3726 TREEVIEW_ITEM *editItem = infoPtr->editItem;
3727 HDC hdc = GetDC(infoPtr->hwndEdit);
3728 SIZE sz;
3729 HFONT hFont, hOldFont = 0;
3730
3731 TRACE("edit=%p\n", infoPtr->hwndEdit);
3732
3733 if (!IsWindow(infoPtr->hwndEdit) || !hdc) return FALSE;
3734
3735 infoPtr->bLabelChanged = TRUE;
3736
3737 GetWindowTextW(infoPtr->hwndEdit, buffer, sizeof(buffer)/sizeof(buffer[0]));
3738
3739 /* Select font to get the right dimension of the string */
3740 hFont = (HFONT)SendMessageW(infoPtr->hwndEdit, WM_GETFONT, 0, 0);
3741
3742 if (hFont != 0)
3743 {
3744 hOldFont = SelectObject(hdc, hFont);
3745 }
3746
3747 if (GetTextExtentPoint32W(hdc, buffer, strlenW(buffer), &sz))
3748 {
3749 TEXTMETRICW textMetric;
3750
3751 /* Add Extra spacing for the next character */
3752 GetTextMetricsW(hdc, &textMetric);
3753 sz.cx += (textMetric.tmMaxCharWidth * 2);
3754
3755 sz.cx = max(sz.cx, textMetric.tmMaxCharWidth * 3);
3756 sz.cx = min(sz.cx,
3757 infoPtr->clientWidth - editItem->textOffset + 2);
3758
3759 SetWindowPos(infoPtr->hwndEdit,
3760 HWND_TOP,
3761 0,
3762 0,
3763 sz.cx,
3764 editItem->rect.bottom - editItem->rect.top + 3,
3765 SWP_NOMOVE | SWP_DRAWFRAME);
3766 }
3767
3768 if (hFont != 0)
3769 {
3770 SelectObject(hdc, hOldFont);
3771 }
3772
3773 ReleaseDC(infoPtr->hwnd, hdc);
3774 break;
3775 }
3776 case EN_KILLFOCUS:
3777 /* apparently we should respect passed handle value */
3778 if (infoPtr->hwndEdit != (HWND)lParam) return FALSE;
3779
3780 TREEVIEW_EndEditLabelNow(infoPtr, FALSE);
3781 break;
3782
3783 default:
3784 return SendMessageW(infoPtr->hwndNotify, WM_COMMAND, wParam, lParam);
3785 }
3786
3787 return 0;
3788 }
3789
3790 static HWND
3791 TREEVIEW_EditLabel(TREEVIEW_INFO *infoPtr, HTREEITEM hItem)
3792 {
3793 HWND hwnd = infoPtr->hwnd;
3794 HWND hwndEdit;
3795 SIZE sz;
3796 HINSTANCE hinst = (HINSTANCE)GetWindowLongPtrW(hwnd, GWLP_HINSTANCE);
3797 HDC hdc;
3798 HFONT hOldFont=0;
3799 TEXTMETRICW textMetric;
3800
3801 TRACE("%p %p\n", hwnd, hItem);
3802 if (!TREEVIEW_ValidItem(infoPtr, hItem))
3803 return NULL;
3804
3805 if (infoPtr->hwndEdit)
3806 return infoPtr->hwndEdit;
3807
3808 infoPtr->bLabelChanged = FALSE;
3809
3810 /* make edit item visible */
3811 TREEVIEW_EnsureVisible(infoPtr, hItem, TRUE);
3812
3813 TREEVIEW_UpdateDispInfo(infoPtr, hItem, TVIF_TEXT);
3814
3815 hdc = GetDC(hwnd);
3816 /* Select the font to get appropriate metric dimensions */
3817 if (infoPtr->hFont != 0)
3818 {
3819 hOldFont = SelectObject(hdc, infoPtr->hFont);
3820 }
3821
3822 /* Get string length in pixels */
3823 if (hItem->pszText)
3824 GetTextExtentPoint32W(hdc, hItem->pszText, strlenW(hItem->pszText),
3825 &sz);
3826 else
3827 GetTextExtentPoint32A(hdc, "", 0, &sz);
3828
3829 /* Add Extra spacing for the next character */
3830 GetTextMetricsW(hdc, &textMetric);
3831 sz.cx += (textMetric.tmMaxCharWidth * 2);
3832
3833 sz.cx = max(sz.cx, textMetric.tmMaxCharWidth * 3);
3834 sz.cx = min(sz.cx, infoPtr->clientWidth - hItem->textOffset + 2);
3835
3836 if (infoPtr->hFont != 0)
3837 {
3838 SelectObject(hdc, hOldFont);
3839 }
3840
3841 ReleaseDC(hwnd, hdc);
3842
3843 infoPtr->editItem = hItem;
3844
3845 hwndEdit = CreateWindowExW(WS_EX_LEFT,
3846 WC_EDITW,
3847 0,
3848 WS_CHILD | WS_BORDER | ES_AUTOHSCROLL |
3849 WS_CLIPSIBLINGS | ES_WANTRETURN |
3850 ES_LEFT, hItem->textOffset - 2,
3851 hItem->rect.top - 1, sz.cx + 3,
3852 hItem->rect.bottom -
3853 hItem->rect.top + 3, hwnd, 0, hinst, 0);
3854 /* FIXME: (HMENU)IDTVEDIT,pcs->hInstance,0); */
3855
3856 infoPtr->hwndEdit = hwndEdit;
3857
3858 /* Get a 2D border. */
3859 SetWindowLongW(hwndEdit, GWL_EXSTYLE,
3860 GetWindowLongW(hwndEdit, GWL_EXSTYLE) & ~WS_EX_CLIENTEDGE);
3861 SetWindowLongW(hwndEdit, GWL_STYLE,
3862 GetWindowLongW(hwndEdit, GWL_STYLE) | WS_BORDER);
3863
3864 SendMessageW(hwndEdit, WM_SETFONT,
3865 (WPARAM)TREEVIEW_FontForItem(infoPtr, hItem), FALSE);
3866
3867 infoPtr->wpEditOrig = (WNDPROC)SetWindowLongPtrW(hwndEdit, GWLP_WNDPROC,
3868 (DWORD_PTR)
3869 TREEVIEW_Edit_SubclassProc);
3870
3871 if (TREEVIEW_BeginLabelEditNotify(infoPtr, hItem))
3872 {
3873 DestroyWindow(hwndEdit);
3874 infoPtr->hwndEdit = 0;
3875 infoPtr->editItem = NULL;
3876 return NULL;
3877 }
3878
3879 if (hItem->pszText)
3880 SetWindowTextW(hwndEdit, hItem->pszText);
3881
3882 SetFocus(hwndEdit);
3883 SendMessageW(hwndEdit, EM_SETSEL, 0, -1);
3884 ShowWindow(hwndEdit, SW_SHOW);
3885
3886 return hwndEdit;
3887 }
3888
3889
3890 static LRESULT
3891 TREEVIEW_EndEditLabelNow(TREEVIEW_INFO *infoPtr, BOOL bCancel)
3892 {
3893 HWND hwnd = infoPtr->hwnd;
3894 TREEVIEW_ITEM *editedItem = infoPtr->editItem;
3895 NMTVDISPINFOW tvdi;
3896 BOOL bCommit;
3897 WCHAR tmpText[1024] = { '\0' };
3898 WCHAR *newText = tmpText;
3899 int iLength = 0;
3900
3901 if (!IsWindow(infoPtr->hwndEdit)) return FALSE;
3902
3903 tvdi.hdr.hwndFrom = hwnd;
3904 tvdi.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
3905 tvdi.hdr.code = get_notifycode(infoPtr, TVN_ENDLABELEDITW);
3906 tvdi.item.mask = 0;
3907 tvdi.item.hItem = editedItem;
3908 tvdi.item.state = editedItem->state;
3909 tvdi.item.lParam = editedItem->lParam;
3910
3911 if (!bCancel)
3912 {
3913 if (!infoPtr->bNtfUnicode)
3914 iLength = GetWindowTextA(infoPtr->hwndEdit, (LPSTR)tmpText, 1023);
3915 else
3916 iLength = GetWindowTextW(infoPtr->hwndEdit, tmpText, 1023);
3917
3918 if (iLength >= 1023)
3919 {
3920 ERR("Insufficient space to retrieve new item label\n");
3921 }
3922
3923 tvdi.item.mask = TVIF_TEXT;
3924 tvdi.item.pszText = tmpText;
3925 tvdi.item.cchTextMax = iLength + 1;
3926 }
3927 else
3928 {
3929 tvdi.item.pszText = NULL;
3930 tvdi.item.cchTextMax = 0;
3931 }
3932
3933 bCommit = TREEVIEW_SendRealNotify(infoPtr, tvdi.hdr.idFrom, &tvdi.hdr);
3934
3935 if (!bCancel && bCommit) /* Apply the changes */
3936 {
3937 if (!infoPtr->bNtfUnicode)
3938 {
3939 DWORD len = MultiByteToWideChar( CP_ACP, 0, (LPSTR)tmpText, -1, NULL, 0 );
3940 newText = Alloc(len * sizeof(WCHAR));
3941 MultiByteToWideChar( CP_ACP, 0, (LPSTR)tmpText, -1, newText, len );
3942 iLength = len - 1;
3943 }
3944
3945 if (strcmpW(newText, editedItem->pszText) != 0)
3946 {
3947 WCHAR *ptr = ReAlloc(editedItem->pszText, sizeof(WCHAR)*(iLength + 1));
3948 if (ptr == NULL)
3949 {
3950 ERR("OutOfMemory, cannot allocate space for label\n");
3951 if(newText != tmpText) Free(newText);
3952 DestroyWindow(infoPtr->hwndEdit);
3953 infoPtr->hwndEdit = 0;
3954 infoPtr->editItem = NULL;
3955 return FALSE;
3956 }
3957 else
3958 {
3959 editedItem->pszText = ptr;
3960 editedItem->cchTextMax = iLength + 1;
3961 strcpyW(editedItem->pszText, newText);
3962 TREEVIEW_ComputeTextWidth(infoPtr, editedItem, 0);
3963 }
3964 }
3965 if(newText != tmpText) Free(newText);
3966 }
3967
3968 ShowWindow(infoPtr->hwndEdit, SW_HIDE);
3969 DestroyWindow(infoPtr->hwndEdit);
3970 infoPtr->hwndEdit = 0;
3971 infoPtr->editItem = NULL;
3972 return TRUE;
3973 }
3974
3975 static LRESULT
3976 TREEVIEW_HandleTimer(TREEVIEW_INFO *infoPtr, WPARAM wParam)
3977 {
3978 if (wParam != TV_EDIT_TIMER)
3979 {
3980 ERR("got unknown timer\n");
3981 return 1;
3982 }
3983
3984 KillTimer(infoPtr->hwnd, TV_EDIT_TIMER);
3985 infoPtr->Timer &= ~TV_EDIT_TIMER_SET;
3986
3987 TREEVIEW_EditLabel(infoPtr, infoPtr->selectedItem);
3988
3989 return 0;
3990 }
3991
3992
3993 /* Mouse Tracking/Drag **************************************************/
3994
3995 /***************************************************************************
3996 * This is quite unusual piece of code, but that's how it's implemented in
3997 * Windows.
3998 */
3999 static LRESULT
4000 TREEVIEW_TrackMouse(const TREEVIEW_INFO *infoPtr, POINT pt)
4001 {
4002 INT cxDrag = GetSystemMetrics(SM_CXDRAG);
4003 INT cyDrag = GetSystemMetrics(SM_CYDRAG);
4004 RECT r;
4005 MSG msg;
4006
4007 r.top = pt.y - cyDrag;
4008 r.left = pt.x - cxDrag;
4009 r.bottom = pt.y + cyDrag;
4010 r.right = pt.x + cxDrag;
4011
4012 SetCapture(infoPtr->hwnd);
4013
4014 while (1)
4015 {
4016 if (PeekMessageW(&msg, 0, 0, 0, PM_REMOVE | PM_NOYIELD))
4017 {
4018 if (msg.message == WM_MOUSEMOVE)
4019 {
4020 pt.x = (short)LOWORD(msg.lParam);
4021 pt.y = (short)HIWORD(msg.lParam);
4022 if (PtInRect(&r, pt))
4023 continue;
4024 else
4025 {
4026 ReleaseCapture();
4027 return 1;
4028 }
4029 }
4030 else if (msg.message >= WM_LBUTTONDOWN &&
4031 msg.message <= WM_RBUTTONDBLCLK)
4032 {
4033 if (msg.message == WM_RBUTTONUP)
4034 TREEVIEW_RButtonUp(infoPtr, &pt);
4035 break;
4036 }
4037
4038 DispatchMessageW(&msg);
4039 }
4040
4041 if (GetCapture() != infoPtr->hwnd)
4042 return 0;
4043 }
4044
4045 ReleaseCapture();
4046 return 0;
4047 }
4048
4049
4050 static LRESULT
4051 TREEVIEW_LButtonDoubleClick(TREEVIEW_INFO *infoPtr, LPARAM lParam)
4052 {
4053 TREEVIEW_ITEM *wineItem;
4054 TVHITTESTINFO hit;
4055
4056 TRACE("\n");
4057 SetFocus(infoPtr->hwnd);
4058
4059 if (infoPtr->Timer & TV_EDIT_TIMER_SET)
4060 {
4061 /* If there is pending 'edit label' event - kill it now */
4062 KillTimer(infoPtr->hwnd, TV_EDIT_TIMER);
4063 }
4064
4065 hit.pt.x = (short)LOWORD(lParam);
4066 hit.pt.y = (short)HIWORD(lParam);
4067
4068 wineItem = (TREEVIEW_ITEM *)TREEVIEW_HitTest(infoPtr, &hit);
4069 if (!wineItem)
4070 return 0;
4071 TRACE("item %d\n", TREEVIEW_GetItemIndex(infoPtr, wineItem));
4072
4073 if (TREEVIEW_SendSimpleNotify(infoPtr, NM_DBLCLK) == FALSE)
4074 { /* FIXME! */
4075 switch (hit.flags)
4076 {
4077 case TVHT_ONITEMRIGHT:
4078 /* FIXME: we should not have sent NM_DBLCLK in this case. */
4079 break;
4080
4081 case TVHT_ONITEMINDENT:
4082 if (!(infoPtr->dwStyle & TVS_HASLINES))
4083 {
4084 break;
4085 }
4086 else
4087 {
4088 int level = hit.pt.x / infoPtr->uIndent;
4089 if (!(infoPtr->dwStyle & TVS_LINESATROOT)) level++;
4090
4091 while (wineItem->iLevel > level)
4092 {
4093 wineItem = wineItem->parent;
4094 }
4095
4096 /* fall through */
4097 }
4098
4099 case TVHT_ONITEMLABEL:
4100 case TVHT_ONITEMICON:
4101 case TVHT_ONITEMBUTTON:
4102 TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
4103 break;
4104
4105 case TVHT_ONITEMSTATEICON:
4106 if (infoPtr->dwStyle & TVS_CHECKBOXES)
4107 TREEVIEW_ToggleItemState(infoPtr, wineItem);
4108 else
4109 TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
4110 break;
4111 }
4112 }
4113 return TRUE;
4114 }
4115
4116
4117 static LRESULT
4118 TREEVIEW_LButtonDown(TREEVIEW_INFO *infoPtr, LPARAM lParam)
4119 {
4120 HWND hwnd = infoPtr->hwnd;
4121 TVHITTESTINFO ht;
4122 BOOL bTrack, bDoLabelEdit;
4123
4124 /* If Edit control is active - kill it and return.
4125 * The best way to do it is to set focus to itself.
4126 * Edit control subclassed procedure will automatically call
4127 * EndEditLabelNow.
4128 */
4129 if (infoPtr->hwndEdit)
4130 {
4131 SetFocus(hwnd);
4132 return 0;
4133 }
4134
4135 ht.pt.x = (short)LOWORD(lParam);
4136 ht.pt.y = (short)HIWORD(lParam);
4137
4138 TREEVIEW_HitTest(infoPtr, &ht);
4139 TRACE("item %d\n", TREEVIEW_GetItemIndex(infoPtr, ht.hItem));
4140
4141 /* update focusedItem and redraw both items */
4142 if(ht.hItem && (ht.flags & TVHT_ONITEM))
4143 {
4144 infoPtr->focusedItem = ht.hItem;
4145 TREEVIEW_InvalidateItem(infoPtr, infoPtr->focusedItem);
4146 TREEVIEW_InvalidateItem(infoPtr, infoPtr->selectedItem);
4147 }
4148
4149 bTrack = (ht.flags & TVHT_ONITEM)
4150 && !(infoPtr->dwStyle & TVS_DISABLEDRAGDROP);
4151
4152 /*
4153 * If the style allows editing and the node is already selected
4154 * and the click occurred on the item label...
4155 */
4156 bDoLabelEdit = (infoPtr->dwStyle & TVS_EDITLABELS) &&
4157 (ht.flags & TVHT_ONITEMLABEL) && (infoPtr->selectedItem == ht.hItem);
4158
4159 /* Send NM_CLICK right away */
4160 if (!bTrack)
4161 if (TREEVIEW_SendSimpleNotify(infoPtr, NM_CLICK))
4162 goto setfocus;
4163
4164 if (ht.flags & TVHT_ONITEMBUTTON)
4165 {
4166 TREEVIEW_Toggle(infoPtr, ht.hItem, TRUE);
4167 goto setfocus;
4168 }
4169 else if (bTrack)
4170 { /* if TREEVIEW_TrackMouse == 1 dragging occurred and the cursor left the dragged item's rectangle */
4171 if (TREEVIEW_TrackMouse(infoPtr, ht.pt))
4172 {
4173 TREEVIEW_SendTreeviewDnDNotify(infoPtr, TVN_BEGINDRAGW, ht.hItem, ht.pt);
4174 infoPtr->dropItem = ht.hItem;
4175
4176 /* clean up focusedItem as we dragged and won't select this item */
4177 if(infoPtr->focusedItem)
4178 {
4179 /* refresh the item that was focused */
4180 TREEVIEW_InvalidateItem(infoPtr, infoPtr->focusedItem);
4181 infoPtr->focusedItem = NULL;
4182
4183 /* refresh the selected item to return the filled background */
4184 TREEVIEW_InvalidateItem(infoPtr, infoPtr->selectedItem);
4185 }
4186
4187 return 0;
4188 }
4189 }
4190
4191 if (bTrack && TREEVIEW_SendSimpleNotify(infoPtr, NM_CLICK))
4192 goto setfocus;
4193
4194 if (bDoLabelEdit)
4195 {
4196 if (infoPtr->Timer & TV_EDIT_TIMER_SET)
4197 KillTimer(hwnd, TV_EDIT_TIMER);
4198
4199 SetTimer(hwnd, TV_EDIT_TIMER, GetDoubleClickTime(), 0);
4200 infoPtr->Timer |= TV_EDIT_TIMER_SET;
4201 }
4202 else if (ht.flags & (TVHT_ONITEMICON|TVHT_ONITEMLABEL)) /* select the item if the hit was inside of the icon or text */
4203 {
4204 TREEVIEW_ITEM *selection = infoPtr->selectedItem;
4205
4206 /* Select the current item */
4207 TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, ht.hItem, TVC_BYMOUSE);
4208 TREEVIEW_SingleExpand(infoPtr, selection, ht.hItem);
4209 }
4210 else if (ht.flags & TVHT_ONITEMSTATEICON)
4211 {
4212 /* TVS_CHECKBOXES requires us to toggle the current state */
4213 if (infoPtr->dwStyle & TVS_CHECKBOXES)
4214 TREEVIEW_ToggleItemState(infoPtr, ht.hItem);
4215 }
4216
4217 setfocus:
4218 SetFocus(hwnd);
4219 return 0;
4220 }
4221
4222
4223 static LRESULT
4224 TREEVIEW_RButtonDown(TREEVIEW_INFO *infoPtr, LPARAM lParam)
4225 {
4226 TVHITTESTINFO ht;
4227
4228 if (infoPtr->hwndEdit)
4229 {
4230 SetFocus(infoPtr->hwnd);
4231 return 0;
4232 }
4233
4234 ht.pt.x = (short)LOWORD(lParam);
4235 ht.pt.y = (short)HIWORD(lParam);
4236
4237 TREEVIEW_HitTest(infoPtr, &ht);
4238
4239 if (TREEVIEW_TrackMouse(infoPtr, ht.pt))
4240 {
4241 if (ht.hItem)
4242 {
4243 TREEVIEW_SendTreeviewDnDNotify(infoPtr, TVN_BEGINRDRAGW, ht.hItem, ht.pt);
4244 infoPtr->dropItem = ht.hItem;
4245 }
4246 }
4247 else
4248 {
4249 SetFocus(infoPtr->hwnd);
4250 TREEVIEW_SendSimpleNotify(infoPtr, NM_RCLICK);
4251 }
4252
4253 return 0;
4254 }
4255
4256 static LRESULT
4257 TREEVIEW_RButtonUp(const TREEVIEW_INFO *infoPtr, const POINT *pPt)
4258 {
4259 TVHITTESTINFO ht;
4260
4261 ht.pt = *pPt;
4262
4263 TREEVIEW_HitTest(infoPtr, &ht);
4264
4265 if (ht.hItem)
4266 {
4267 /* Change to screen coordinate for WM_CONTEXTMENU */
4268 ClientToScreen(infoPtr->hwnd, &ht.pt);
4269
4270 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
4271 SendMessageW(infoPtr->hwnd, WM_CONTEXTMENU,
4272 (WPARAM)infoPtr->hwnd, MAKELPARAM(ht.pt.x, ht.pt.y));
4273 }
4274 return 0;
4275 }
4276
4277
4278 static LRESULT
4279 TREEVIEW_CreateDragImage(TREEVIEW_INFO *infoPtr, LPARAM lParam)
4280 {
4281 TREEVIEW_ITEM *dragItem = (HTREEITEM)lParam;
4282 INT cx, cy;
4283 HDC hdc, htopdc;
4284 HWND hwtop;
4285 HBITMAP hbmp, hOldbmp;
4286 SIZE size;
4287 RECT rc;
4288 HFONT hOldFont;
4289
4290 TRACE("\n");
4291
4292 if (!(infoPtr->himlNormal))
4293 return 0;
4294
4295 if (!dragItem || !TREEVIEW_ValidItem(infoPtr, dragItem))
4296 return 0;
4297
4298 TREEVIEW_UpdateDispInfo(infoPtr, dragItem, TVIF_TEXT);
4299
4300 hwtop = GetDesktopWindow();
4301 htopdc = GetDC(hwtop);
4302 hdc = CreateCompatibleDC(htopdc);
4303
4304 hOldFont = SelectObject(hdc, infoPtr->hFont);
4305
4306 if (dragItem->pszText)
4307 GetTextExtentPoint32W(hdc, dragItem->pszText, strlenW(dragItem->pszText),
4308 &size);
4309 else
4310 GetTextExtentPoint32A(hdc, "", 0, &size);
4311
4312 TRACE("%d %d %s\n", size.cx, size.cy, debugstr_w(dragItem->pszText));
4313 hbmp = CreateCompatibleBitmap(htopdc, size.cx, size.cy);
4314 hOldbmp = SelectObject(hdc, hbmp);
4315
4316 ImageList_GetIconSize(infoPtr->himlNormal, &cx, &cy);
4317 size.cx += cx;
4318 if (cy > size.cy)
4319 size.cy = cy;
4320
4321 infoPtr->dragList = ImageList_Create(size.cx, size.cy, ILC_COLOR, 10, 10);
4322 ImageList_Draw(infoPtr->himlNormal, dragItem->iImage, hdc, 0, 0,
4323 ILD_NORMAL);
4324
4325 /*
4326 ImageList_GetImageInfo (infoPtr->himlNormal, dragItem->hItem, &iminfo);
4327 ImageList_AddMasked (infoPtr->dragList, iminfo.hbmImage, CLR_DEFAULT);
4328 */
4329
4330 /* draw item text */
4331
4332 SetRect(&rc, cx, 0, size.cx, size.cy);
4333
4334 if (dragItem->pszText)
4335 DrawTextW(hdc, dragItem->pszText, strlenW(dragItem->pszText), &rc,
4336 DT_LEFT);
4337
4338 SelectObject(hdc, hOldFont);
4339 SelectObject(hdc, hOldbmp);
4340
4341 ImageList_Add(infoPtr->dragList, hbmp, 0);
4342
4343 DeleteDC(hdc);
4344 DeleteObject(hbmp);
4345 ReleaseDC(hwtop, htopdc);
4346
4347 return (LRESULT)infoPtr->dragList;
4348 }
4349
4350 /* Selection ************************************************************/
4351
4352 static LRESULT
4353 TREEVIEW_DoSelectItem(TREEVIEW_INFO *infoPtr, INT action, HTREEITEM newSelect,
4354 INT cause)
4355 {
4356 TREEVIEW_ITEM *prevSelect;
4357
4358 assert(newSelect == NULL || TREEVIEW_ValidItem(infoPtr, newSelect));
4359
4360 TRACE("Entering item %p (%s), flag %x, cause %x, state %d\n",
4361 newSelect, TREEVIEW_ItemName(newSelect), action, cause,
4362 newSelect ? newSelect->state : 0);
4363
4364 /* reset and redraw focusedItem if focusedItem was set so we don't */
4365 /* have to worry about the previously focused item when we set a new one */
4366 TREEVIEW_InvalidateItem(infoPtr, infoPtr->focusedItem);
4367 infoPtr->focusedItem = NULL;
4368
4369 switch (action)
4370 {
4371 case TVGN_CARET|TVSI_NOSINGLEEXPAND:
4372 FIXME("TVSI_NOSINGLEEXPAND specified.\n");
4373 /* Fall through */
4374 case TVGN_CARET:
4375 prevSelect = infoPtr->selectedItem;
4376
4377 if (prevSelect == newSelect) {
4378 TREEVIEW_EnsureVisible(infoPtr, infoPtr->selectedItem, FALSE);
4379 break;
4380 }
4381
4382 if (TREEVIEW_SendTreeviewNotify(infoPtr,
4383 TVN_SELCHANGINGW,
4384 cause,
4385 TVIF_TEXT | TVIF_HANDLE | TVIF_STATE | TVIF_PARAM,
4386 prevSelect,
4387 newSelect))
4388 return FALSE;
4389
4390 if (prevSelect)
4391 prevSelect->state &= ~TVIS_SELECTED;
4392 if (newSelect)
4393 newSelect->state |= TVIS_SELECTED;
4394
4395 infoPtr->selectedItem = newSelect;
4396
4397 TREEVIEW_EnsureVisible(infoPtr, infoPtr->selectedItem, FALSE);
4398
4399 TREEVIEW_InvalidateItem(infoPtr, prevSelect);
4400 TREEVIEW_InvalidateItem(infoPtr, newSelect);
4401
4402 TREEVIEW_SendTreeviewNotify(infoPtr,
4403 TVN_SELCHANGEDW,
4404 cause,
4405 TVIF_TEXT | TVIF_HANDLE | TVIF_STATE | TVIF_PARAM,
4406 prevSelect,
4407 newSelect);
4408 break;
4409
4410 case TVGN_DROPHILITE:
4411 prevSelect = infoPtr->dropItem;
4412
4413 if (prevSelect)
4414 prevSelect->state &= ~TVIS_DROPHILITED;
4415
4416 infoPtr->dropItem = newSelect;
4417
4418 if (newSelect)
4419 newSelect->state |= TVIS_DROPHILITED;
4420
4421 TREEVIEW_Invalidate(infoPtr, prevSelect);
4422 TREEVIEW_Invalidate(infoPtr, newSelect);
4423 break;
4424
4425 case TVGN_FIRSTVISIBLE:
4426 if (newSelect != NULL)
4427 {
4428 TREEVIEW_EnsureVisible(infoPtr, newSelect, FALSE);
4429 TREEVIEW_SetFirstVisible(infoPtr, newSelect, TRUE);
4430 TREEVIEW_Invalidate(infoPtr, NULL);
4431 }
4432 break;
4433 }
4434
4435 TRACE("Leaving state %d\n", newSelect ? newSelect->state : 0);
4436 return TRUE;
4437 }
4438
4439 /* FIXME: handle NM_KILLFOCUS etc */
4440 static LRESULT
4441 TREEVIEW_SelectItem(TREEVIEW_INFO *infoPtr, INT wParam, HTREEITEM item)
4442 {
4443 TREEVIEW_ITEM *selection = infoPtr->selectedItem;
4444
4445 if (item && !TREEVIEW_ValidItem(infoPtr, item))
4446 return FALSE;
4447
4448 TRACE("%p (%s) %d\n", item, TREEVIEW_ItemName(item), wParam);
4449
4450 if (!TREEVIEW_DoSelectItem(infoPtr, wParam, item, TVC_UNKNOWN))
4451 return FALSE;
4452
4453 TREEVIEW_SingleExpand(infoPtr, selection, item);
4454
4455 return TRUE;
4456 }
4457
4458 /*************************************************************************
4459 * TREEVIEW_ProcessLetterKeys
4460 *
4461 * Processes keyboard messages generated by pressing the letter keys
4462 * on the keyboard.
4463 * What this does is perform a case insensitive search from the
4464 * current position with the following quirks:
4465 * - If two chars or more are pressed in quick succession we search
4466 * for the corresponding string (e.g. 'abc').
4467 * - If there is a delay we wipe away the current search string and
4468 * restart with just that char.
4469 * - If the user keeps pressing the same character, whether slowly or
4470 * fast, so that the search string is entirely composed of this
4471 * character ('aaaaa' for instance), then we search for first item
4472 * that starting with that character.
4473 * - If the user types the above character in quick succession, then
4474 * we must also search for the corresponding string ('aaaaa'), and
4475 * go to that string if there is a match.
4476 *
4477 * RETURNS
4478 *
4479 * Zero.
4480 *
4481 * BUGS
4482 *
4483 * - The current implementation has a list of characters it will
4484 * accept and it ignores everything else. In particular it will
4485 * ignore accentuated characters which seems to match what
4486 * Windows does. But I'm not sure it makes sense to follow
4487 * Windows there.
4488 * - We don't sound a beep when the search fails.
4489 * - The search should start from the focused item, not from the selected
4490 * item. One reason for this is to allow for multiple selections in trees.
4491 * But currently infoPtr->focusedItem does not seem very usable.
4492 *
4493 * SEE ALSO
4494 *
4495 * TREEVIEW_ProcessLetterKeys
4496 */
4497 static INT TREEVIEW_ProcessLetterKeys(TREEVIEW_INFO *infoPtr, WPARAM charCode, LPARAM keyData)
4498 {
4499 HTREEITEM nItem;
4500 HTREEITEM endidx,idx;
4501 TVITEMEXW item;
4502 WCHAR buffer[MAX_PATH];
4503 DWORD timestamp,elapsed;
4504
4505 /* simple parameter checking */
4506 if (!charCode || !keyData) return 0;
4507
4508 /* only allow the valid WM_CHARs through */
4509 if (!isalnum(charCode) &&
4510 charCode != '.' && charCode != '`' && charCode != '!' &&
4511 charCode != '@' && charCode != '#' && charCode != '$' &&
4512 charCode != '%' && charCode != '^' && charCode != '&' &&
4513 charCode != '*' && charCode != '(' && charCode != ')' &&
4514 charCode != '-' && charCode != '_' && charCode != '+' &&
4515 charCode != '=' && charCode != '\\'&& charCode != ']' &&
4516 charCode != '}' && charCode != '[' && charCode != '{' &&
4517 charCode != '/' && charCode != '?' && charCode != '>' &&
4518 charCode != '<' && charCode != ',' && charCode != '~')
4519 return 0;
4520
4521 /* compute how much time elapsed since last keypress */
4522 timestamp = GetTickCount();
4523 if (timestamp > infoPtr->lastKeyPressTimestamp) {
4524 elapsed=timestamp-infoPtr->lastKeyPressTimestamp;
4525 } else {
4526 elapsed=infoPtr->lastKeyPressTimestamp-timestamp;
4527 }
4528
4529 /* update the search parameters */
4530 infoPtr->lastKeyPressTimestamp=timestamp;
4531 if (elapsed < KEY_DELAY) {
4532 if (infoPtr->nSearchParamLength < sizeof(infoPtr->szSearchParam) / sizeof(WCHAR)) {
4533 infoPtr->szSearchParam[infoPtr->nSearchParamLength++]=charCode;
4534 }
4535 if (infoPtr->charCode != charCode) {
4536 infoPtr->charCode=charCode=0;
4537 }
4538 } else {
4539 infoPtr->charCode=charCode;
4540 infoPtr->szSearchParam[0]=charCode;
4541 infoPtr->nSearchParamLength=1;
4542 /* Redundant with the 1 char string */
4543 charCode=0;
4544 }
4545
4546 /* and search from the current position */
4547 nItem=NULL;
4548 if (infoPtr->selectedItem != NULL) {
4549 endidx=infoPtr->selectedItem;
4550 /* if looking for single character match,
4551 * then we must always move forward
4552 */
4553 if (infoPtr->nSearchParamLength == 1)
4554 idx=TREEVIEW_GetNextListItem(infoPtr,endidx);
4555 else
4556 idx=endidx;
4557 } else {
4558 endidx=NULL;
4559 idx=infoPtr->root->firstChild;
4560 }
4561 do {
4562 /* At the end point, sort out wrapping */
4563 if (idx == NULL) {
4564
4565 /* If endidx is null, stop at the last item (ie top to bottom) */
4566 if (endidx == NULL)
4567 break;
4568
4569 /* Otherwise, start again at the very beginning */
4570 idx=infoPtr->root->firstChild;
4571
4572 /* But if we are stopping on the first child, end now! */
4573 if (idx == endidx) break;
4574 }
4575
4576 /* get item */
4577 ZeroMemory(&item, sizeof(item));
4578 item.mask = TVIF_TEXT;
4579 item.hItem = idx;
4580 item.pszText = buffer;
4581 item.cchTextMax = sizeof(buffer);
4582 TREEVIEW_GetItemT( infoPtr, &item, TRUE );
4583
4584 /* check for a match */
4585 if (strncmpiW(item.pszText,infoPtr->szSearchParam,infoPtr->nSearchParamLength) == 0) {
4586 nItem=idx;
4587 break;
4588 } else if ( (charCode != 0) && (nItem == NULL) &&
4589 (nItem != infoPtr->selectedItem) &&
4590 (strncmpiW(item.pszText,infoPtr->szSearchParam,1) == 0) ) {
4591 /* This would work but we must keep looking for a longer match */
4592 nItem=idx;
4593 }
4594 idx=TREEVIEW_GetNextListItem(infoPtr,idx);
4595 } while (idx != endidx);
4596
4597 if (nItem != NULL) {
4598 if (TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, nItem, TVC_BYKEYBOARD)) {
4599 TREEVIEW_EnsureVisible(infoPtr, nItem, FALSE);
4600 }
4601 }
4602
4603 return 0;
4604 }
4605
4606 /* Scrolling ************************************************************/
4607
4608 static LRESULT
4609 TREEVIEW_EnsureVisible(TREEVIEW_INFO *infoPtr, HTREEITEM item, BOOL bHScroll)
4610 {
4611 int viscount;
4612 BOOL hasFirstVisible = infoPtr->firstVisible != NULL;
4613 HTREEITEM newFirstVisible = NULL;
4614 int visible_pos = -1;
4615
4616 if (!TREEVIEW_ValidItem(infoPtr, item))
4617 return FALSE;
4618
4619 if (!ISVISIBLE(item))
4620 {
4621 /* Expand parents as necessary. */
4622 HTREEITEM parent;
4623
4624 /* see if we are trying to ensure that root is visible */
4625 if((item != infoPtr->root) && TREEVIEW_ValidItem(infoPtr, item))
4626 parent = item->parent;
4627 else
4628 parent = item; /* this item is the topmost item */
4629
4630 while (parent != infoPtr->root)
4631 {
4632 if (!(parent->state & TVIS_EXPANDED))
4633 TREEVIEW_Expand(infoPtr, parent, FALSE, FALSE);
4634
4635 parent = parent->parent;
4636 }
4637 }
4638
4639 viscount = TREEVIEW_GetVisibleCount(infoPtr);
4640
4641 TRACE("%p (%s) %d - %d viscount(%d)\n", item, TREEVIEW_ItemName(item), item->visibleOrder,
4642 hasFirstVisible ? infoPtr->firstVisible->visibleOrder : -1, viscount);
4643
4644 if (hasFirstVisible)
4645 visible_pos = item->visibleOrder - infoPtr->firstVisible->visibleOrder;
4646
4647 if (visible_pos < 0)
4648 {
4649 /* item is before the start of the list: put it at the top. */
4650 newFirstVisible = item;
4651 }
4652 else if (visible_pos >= viscount
4653 /* Sometimes, before we are displayed, GVC is 0, causing us to
4654 * spuriously scroll up. */
4655 && visible_pos > 0 && !(infoPtr->dwStyle & TVS_NOSCROLL) )
4656 {
4657 /* item is past the end of the list. */
4658 int scroll = visible_pos - viscount;
4659
4660 newFirstVisible = TREEVIEW_GetListItem(infoPtr, infoPtr->firstVisible,
4661 scroll + 1);
4662 }
4663
4664 if (bHScroll)
4665 {
4666 /* Scroll window so item's text is visible as much as possible */
4667 /* Calculation of amount of extra space is taken from EditLabel code */
4668 INT pos, x;
4669 TEXTMETRICW textMetric;
4670 HDC hdc = GetWindowDC(infoPtr->hwnd);
4671
4672 x = item->textWidth;
4673
4674 GetTextMetricsW(hdc, &textMetric);
4675 ReleaseDC(infoPtr->hwnd, hdc);
4676
4677 x += (textMetric.tmMaxCharWidth * 2);
4678 x = max(x, textMetric.tmMaxCharWidth * 3);
4679
4680 if (item->textOffset < 0)
4681 pos = item->textOffset;
4682 else if (item->textOffset + x > infoPtr->clientWidth)
4683 {
4684 if (x > infoPtr->clientWidth)
4685 pos = item->textOffset;
4686 else
4687 pos = item->textOffset + x - infoPtr->clientWidth;
4688 }
4689 else
4690 pos = 0;
4691
4692 TREEVIEW_HScroll(infoPtr, MAKEWPARAM(SB_THUMBPOSITION, infoPtr->scrollX + pos));
4693 }
4694
4695 if (newFirstVisible != NULL && newFirstVisible != infoPtr->firstVisible)
4696 {
4697 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
4698
4699 return TRUE;
4700 }
4701
4702 return FALSE;
4703 }
4704
4705 static VOID
4706 TREEVIEW_SetFirstVisible(TREEVIEW_INFO *infoPtr,
4707 TREEVIEW_ITEM *newFirstVisible,
4708 BOOL bUpdateScrollPos)
4709 {
4710 int gap_size;
4711
4712 TRACE("%p: %s\n", newFirstVisible, TREEVIEW_ItemName(newFirstVisible));
4713
4714 if (newFirstVisible != NULL)
4715 {
4716 /* Prevent an empty gap from appearing at the bottom... */
4717 gap_size = TREEVIEW_GetVisibleCount(infoPtr)
4718 - infoPtr->maxVisibleOrder + newFirstVisible->visibleOrder;
4719
4720 if (gap_size > 0)
4721 {
4722 newFirstVisible = TREEVIEW_GetListItem(infoPtr, newFirstVisible,
4723 -gap_size);
4724
4725 /* ... unless we just don't have enough items. */
4726 if (newFirstVisible == NULL)
4727 newFirstVisible = infoPtr->root->firstChild;
4728 }
4729 }
4730
4731 if (infoPtr->firstVisible != newFirstVisible)
4732 {
4733 if (infoPtr->firstVisible == NULL || newFirstVisible == NULL)
4734 {
4735 infoPtr->firstVisible = newFirstVisible;
4736 TREEVIEW_Invalidate(infoPtr, NULL);
4737 }
4738 else
4739 {
4740 TREEVIEW_ITEM *item;
4741 int scroll = infoPtr->uItemHeight *
4742 (infoPtr->firstVisible->visibleOrder
4743 - newFirstVisible->visibleOrder);
4744
4745 infoPtr->firstVisible = newFirstVisible;
4746
4747 for (item = infoPtr->root->firstChild; item != NULL;
4748 item = TREEVIEW_GetNextListItem(infoPtr, item))
4749 {
4750 item->rect.top += scroll;
4751 item->rect.bottom += scroll;
4752 }
4753
4754 if (bUpdateScrollPos)
4755 SetScrollPos(infoPtr->hwnd, SB_VERT,
4756 newFirstVisible->visibleOrder, TRUE);
4757
4758 ScrollWindowEx(infoPtr->hwnd, 0, scroll, NULL, NULL, NULL, NULL, SW_ERASE | SW_INVALIDATE);
4759 }
4760 }
4761 }
4762
4763 /************************************************************************
4764 * VScroll is always in units of visible items. i.e. we always have a
4765 * visible item aligned to the top of the control. (Unless we have no
4766 * items at all.)
4767 */
4768 static LRESULT
4769 TREEVIEW_VScroll(TREEVIEW_INFO *infoPtr, WPARAM wParam)
4770 {
4771 TREEVIEW_ITEM *oldFirstVisible = infoPtr->firstVisible;
4772 TREEVIEW_ITEM *newFirstVisible = NULL;
4773
4774 int nScrollCode = LOWORD(wParam);
4775
4776 TRACE("wp %lx\n", wParam);
4777
4778 if (!(infoPtr->uInternalStatus & TV_VSCROLL))
4779 return 0;
4780
4781 if (!oldFirstVisible)
4782 {
4783 assert(infoPtr->root->firstChild == NULL);
4784 return 0;
4785 }
4786
4787 switch (nScrollCode)
4788 {
4789 case SB_TOP:
4790 newFirstVisible = infoPtr->root->firstChild;
4791 break;
4792
4793 case SB_BOTTOM:
4794 newFirstVisible = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
4795 break;
4796
4797 case SB_LINEUP:
4798 newFirstVisible = TREEVIEW_GetPrevListItem(infoPtr, oldFirstVisible);
4799 break;
4800
4801 case SB_LINEDOWN:
4802 newFirstVisible = TREEVIEW_GetNextListItem(infoPtr, oldFirstVisible);
4803 break;
4804
4805 case SB_PAGEUP:
4806 newFirstVisible = TREEVIEW_GetListItem(infoPtr, oldFirstVisible,
4807 -max(1, TREEVIEW_GetVisibleCount(infoPtr)));
4808 break;
4809
4810 case SB_PAGEDOWN:
4811 newFirstVisible = TREEVIEW_GetListItem(infoPtr, oldFirstVisible,
4812 max(1, TREEVIEW_GetVisibleCount(infoPtr)));
4813 break;
4814
4815 case SB_THUMBTRACK:
4816 case SB_THUMBPOSITION:
4817 newFirstVisible = TREEVIEW_GetListItem(infoPtr,
4818 infoPtr->root->firstChild,
4819 (LONG)(SHORT)HIWORD(wParam));
4820 break;
4821
4822 case SB_ENDSCROLL:
4823 return 0;
4824 }
4825
4826 if (newFirstVisible != NULL)
4827 {
4828 if (newFirstVisible != oldFirstVisible)
4829 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible,
4830 nScrollCode != SB_THUMBTRACK);
4831 else if (nScrollCode == SB_THUMBPOSITION)
4832 SetScrollPos(infoPtr->hwnd, SB_VERT,
4833 newFirstVisible->visibleOrder, TRUE);
4834 }
4835
4836 return 0;
4837 }
4838
4839 static LRESULT
4840 TREEVIEW_HScroll(TREEVIEW_INFO *infoPtr, WPARAM wParam)
4841 {
4842 int maxWidth;
4843 int scrollX = infoPtr->scrollX;
4844 int nScrollCode = LOWORD(wParam);
4845
4846 TRACE("wp %lx\n", wParam);
4847
4848 if (!(infoPtr->uInternalStatus & TV_HSCROLL))
4849 return FALSE;
4850
4851 maxWidth = infoPtr->treeWidth - infoPtr->clientWidth;
4852 /* shall never occur */
4853 if (maxWidth <= 0)
4854 {
4855 scrollX = 0;
4856 goto scroll;
4857 }
4858
4859 switch (nScrollCode)
4860 {
4861 case SB_LINELEFT:
4862 scrollX -= infoPtr->uItemHeight;
4863 break;
4864 case SB_LINERIGHT:
4865 scrollX += infoPtr->uItemHeight;
4866 break;
4867 case SB_PAGELEFT:
4868 scrollX -= infoPtr->clientWidth;
4869 break;
4870 case SB_PAGERIGHT:
4871 scrollX += infoPtr->clientWidth;
4872 break;
4873
4874 case SB_THUMBTRACK:
4875 case SB_THUMBPOSITION:
4876 scrollX = (int)(SHORT)HIWORD(wParam);
4877 break;
4878
4879 case SB_ENDSCROLL:
4880 return 0;
4881 }
4882
4883 if (scrollX > maxWidth)
4884 scrollX = maxWidth;
4885 else if (scrollX < 0)
4886 scrollX = 0;
4887
4888 scroll:
4889 if (scrollX != infoPtr->scrollX)
4890 {
4891 TREEVIEW_ITEM *item;
4892 LONG scroll_pixels = infoPtr->scrollX - scrollX;
4893
4894 for (item = infoPtr->root->firstChild; item != NULL;
4895 item = TREEVIEW_GetNextListItem(infoPtr, item))
4896 {
4897 item->linesOffset += scroll_pixels;
4898 item->stateOffset += scroll_pixels;
4899 item->imageOffset += scroll_pixels;
4900 item->textOffset += scroll_pixels;
4901 }
4902
4903 ScrollWindow(infoPtr->hwnd, scroll_pixels, 0, NULL, NULL);
4904 infoPtr->scrollX = scrollX;
4905 UpdateWindow(infoPtr->hwnd);
4906 }
4907
4908 if (nScrollCode != SB_THUMBTRACK)
4909 SetScrollPos(infoPtr->hwnd, SB_HORZ, scrollX, TRUE);
4910
4911 return 0;
4912 }
4913
4914 static LRESULT
4915 TREEVIEW_MouseWheel(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
4916 {
4917 short gcWheelDelta;
4918 UINT pulScrollLines = 3;
4919
4920 if (wParam & (MK_SHIFT | MK_CONTROL))
4921 return DefWindowProcW(infoPtr->hwnd, WM_MOUSEWHEEL, wParam, lParam);
4922
4923 if (infoPtr->firstVisible == NULL)
4924 return TRUE;
4925
4926 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES, 0, &pulScrollLines, 0);
4927
4928 gcWheelDelta = -(short)HIWORD(wParam);
4929 pulScrollLines *= (gcWheelDelta / WHEEL_DELTA);
4930
4931 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
4932 {
4933 int newDy = infoPtr->firstVisible->visibleOrder + pulScrollLines;
4934 int maxDy = infoPtr->maxVisibleOrder;
4935
4936 if (newDy > maxDy)
4937 newDy = maxDy;
4938
4939 if (newDy < 0)
4940 newDy = 0;
4941
4942 TREEVIEW_VScroll(infoPtr, MAKEWPARAM(SB_THUMBPOSITION, newDy));
4943 }
4944 return TRUE;
4945 }
4946
4947 /* Create/Destroy *******************************************************/
4948
4949 static void
4950 initialize_checkboxes(TREEVIEW_INFO *infoPtr)
4951 {
4952 RECT rc;
4953 HBITMAP hbm, hbmOld;
4954 HDC hdc, hdcScreen;
4955 int nIndex;
4956
4957 infoPtr->himlState = ImageList_Create(16, 16, ILC_COLOR | ILC_MASK, 3, 0);
4958
4959 hdcScreen = GetDC(0);
4960
4961 hdc = CreateCompatibleDC(hdcScreen);
4962 hbm = CreateCompatibleBitmap(hdcScreen, 48, 16);
4963 hbmOld = SelectObject(hdc, hbm);
4964
4965 SetRect(&rc, 0, 0, 48, 16);
4966 FillRect(hdc, &rc, (HBRUSH)(COLOR_WINDOW+1));
4967
4968 SetRect(&rc, 18, 2, 30, 14);
4969 DrawFrameControl(hdc, &rc, DFC_BUTTON,
4970 DFCS_BUTTONCHECK|DFCS_FLAT);
4971
4972 SetRect(&rc, 34, 2, 46, 14);
4973 DrawFrameControl(hdc, &rc, DFC_BUTTON,
4974 DFCS_BUTTONCHECK|DFCS_FLAT|DFCS_CHECKED);
4975
4976 SelectObject(hdc, hbmOld);
4977 nIndex = ImageList_AddMasked(infoPtr->himlState, hbm,
4978 comctl32_color.clrWindow);
4979 TRACE("checkbox index %d\n", nIndex);
4980
4981 DeleteObject(hbm);
4982 DeleteDC(hdc);
4983 ReleaseDC(0, hdcScreen);
4984
4985 infoPtr->stateImageWidth = 16;
4986 infoPtr->stateImageHeight = 16;
4987 }
4988
4989 static LRESULT
4990 TREEVIEW_Create(HWND hwnd, const CREATESTRUCTW *lpcs)
4991 {
4992 RECT rcClient;
4993 TREEVIEW_INFO *infoPtr;
4994 LOGFONTW lf;
4995
4996 TRACE("wnd %p, style %x\n", hwnd, GetWindowLongW(hwnd, GWL_STYLE));
4997
4998 infoPtr = Alloc(sizeof(TREEVIEW_INFO));
4999
5000 if (infoPtr == NULL)
5001 {
5002 ERR("could not allocate info memory!\n");
5003 return 0;
5004 }
5005
5006 SetWindowLongPtrW(hwnd, 0, (DWORD_PTR)infoPtr);
5007
5008 infoPtr->hwnd = hwnd;
5009 infoPtr->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
5010 infoPtr->Timer = 0;
5011 infoPtr->uNumItems = 0;
5012 infoPtr->cdmode = 0;
5013 infoPtr->uScrollTime = 300; /* milliseconds */
5014 infoPtr->bRedraw = TRUE;
5015
5016 GetClientRect(hwnd, &rcClient);
5017
5018 /* No scroll bars yet. */
5019 infoPtr->clientWidth = rcClient.right;
5020 infoPtr->clientHeight = rcClient.bottom;
5021 infoPtr->uInternalStatus = 0;
5022
5023 infoPtr->treeWidth = 0;
5024 infoPtr->treeHeight = 0;
5025
5026 infoPtr->uIndent = MINIMUM_INDENT;
5027 infoPtr->selectedItem = NULL;
5028 infoPtr->focusedItem = NULL;
5029 infoPtr->hotItem = NULL;
5030 infoPtr->editItem = NULL;
5031 infoPtr->firstVisible = NULL;
5032 infoPtr->maxVisibleOrder = 0;
5033 infoPtr->dropItem = NULL;
5034 infoPtr->insertMarkItem = NULL;
5035 infoPtr->insertBeforeorAfter = 0;
5036 /* dragList */
5037
5038 infoPtr->scrollX = 0;
5039
5040 infoPtr->clrBk = CLR_NONE; /* use system color */
5041 infoPtr->clrText = CLR_NONE; /* use system color */
5042 infoPtr->clrLine = CLR_DEFAULT;
5043 infoPtr->clrInsertMark = CLR_DEFAULT;
5044
5045 /* hwndToolTip */
5046
5047 infoPtr->hwndEdit = NULL;
5048 infoPtr->wpEditOrig = NULL;
5049 infoPtr->bIgnoreEditKillFocus = FALSE;
5050 infoPtr->bLabelChanged = FALSE;
5051
5052 infoPtr->himlNormal = NULL;
5053 infoPtr->himlState = NULL;
5054 infoPtr->normalImageWidth = 0;
5055 infoPtr->normalImageHeight = 0;
5056 infoPtr->stateImageWidth = 0;
5057 infoPtr->stateImageHeight = 0;
5058
5059 infoPtr->items = DPA_Create(16);
5060
5061 SystemParametersInfoW(SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, 0);
5062 infoPtr->hFont = infoPtr->hDefaultFont = CreateFontIndirectW(&lf);
5063 infoPtr->hBoldFont = TREEVIEW_CreateBoldFont(infoPtr->hFont);
5064 infoPtr->hUnderlineFont = TREEVIEW_CreateUnderlineFont(infoPtr->hFont);
5065 infoPtr->hcurHand = LoadCursorW(NULL, (LPWSTR)IDC_HAND);
5066
5067 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
5068
5069 infoPtr->root = TREEVIEW_AllocateItem(infoPtr);
5070 infoPtr->root->state = TVIS_EXPANDED;
5071 infoPtr->root->iLevel = -1;
5072 infoPtr->root->visibleOrder = -1;
5073
5074 infoPtr->hwndNotify = lpcs->hwndParent;
5075 infoPtr->hwndToolTip = 0;
5076
5077 infoPtr->bNtfUnicode = IsWindowUnicode (hwnd);
5078
5079 /* Determine what type of notify should be issued */
5080 /* sets infoPtr->bNtfUnicode */
5081 TREEVIEW_NotifyFormat(infoPtr, infoPtr->hwndNotify, NF_REQUERY);
5082
5083 if (!(infoPtr->dwStyle & TVS_NOTOOLTIPS))
5084 infoPtr->hwndToolTip = CreateWindowExW(0, TOOLTIPS_CLASSW, NULL, WS_POPUP,
5085 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
5086 hwnd, 0, 0, 0);
5087
5088 if (infoPtr->dwStyle & TVS_CHECKBOXES)
5089 initialize_checkboxes(infoPtr);
5090
5091 /* Make sure actual scrollbar state is consistent with uInternalStatus */
5092 ShowScrollBar(hwnd, SB_VERT, FALSE);
5093 ShowScrollBar(hwnd, SB_HORZ, FALSE);
5094
5095 OpenThemeData (hwnd, themeClass);
5096
5097 return 0;
5098 }
5099
5100
5101 static LRESULT
5102 TREEVIEW_Destroy(TREEVIEW_INFO *infoPtr)
5103 {
5104 TRACE("\n");
5105
5106 /* free item data */
5107 TREEVIEW_RemoveTree(infoPtr);
5108 /* root isn't freed with other items */
5109 TREEVIEW_FreeItem(infoPtr, infoPtr->root);
5110 DPA_Destroy(infoPtr->items);
5111
5112 /* tool tip is automatically destroyed: we are its owner */
5113
5114 /* Restore original wndproc */
5115 if (infoPtr->hwndEdit)
5116 SetWindowLongPtrW(infoPtr->hwndEdit, GWLP_WNDPROC,
5117 (DWORD_PTR)infoPtr->wpEditOrig);
5118
5119 CloseThemeData (GetWindowTheme (infoPtr->hwnd));
5120
5121 /* Deassociate treeview from the window before doing anything drastic. */
5122 SetWindowLongPtrW(infoPtr->hwnd, 0, 0);
5123
5124
5125 DeleteObject(infoPtr->hDefaultFont);
5126 DeleteObject(infoPtr->hBoldFont);
5127 DeleteObject(infoPtr->hUnderlineFont);
5128 Free(infoPtr);
5129
5130 return 0;
5131 }
5132
5133 /* Miscellaneous Messages ***********************************************/
5134
5135 static LRESULT
5136 TREEVIEW_ScrollKeyDown(TREEVIEW_INFO *infoPtr, WPARAM key)
5137 {
5138 static const struct
5139 {
5140 unsigned char code;
5141 }
5142 scroll[] =
5143 {
5144 #define SCROLL_ENTRY(dir, code) { ((dir) << 7) | (code) }
5145 SCROLL_ENTRY(SB_VERT, SB_PAGEUP), /* VK_PRIOR */
5146 SCROLL_ENTRY(SB_VERT, SB_PAGEDOWN), /* VK_NEXT */
5147 SCROLL_ENTRY(SB_VERT, SB_BOTTOM), /* VK_END */
5148 SCROLL_ENTRY(SB_VERT, SB_TOP), /* VK_HOME */
5149 SCROLL_ENTRY(SB_HORZ, SB_LINEUP), /* VK_LEFT */
5150 SCROLL_ENTRY(SB_VERT, SB_LINEUP), /* VK_UP */
5151 SCROLL_ENTRY(SB_HORZ, SB_LINEDOWN), /* VK_RIGHT */
5152 SCROLL_ENTRY(SB_VERT, SB_LINEDOWN) /* VK_DOWN */
5153 #undef SCROLL_ENTRY
5154 };
5155
5156 if (key >= VK_PRIOR && key <= VK_DOWN)
5157 {
5158 unsigned char code = scroll[key - VK_PRIOR].code;
5159
5160 (((code & (1 << 7)) == (SB_HORZ << 7))
5161 ? TREEVIEW_HScroll
5162 : TREEVIEW_VScroll)(infoPtr, code & 0x7F);
5163 }
5164
5165 return 0;
5166 }
5167
5168 /************************************************************************
5169 * TREEVIEW_KeyDown
5170 *
5171 * VK_UP Move selection to the previous non-hidden item.
5172 * VK_DOWN Move selection to the next non-hidden item.
5173 * VK_HOME Move selection to the first item.
5174 * VK_END Move selection to the last item.
5175 * VK_LEFT If expanded then collapse, otherwise move to parent.
5176 * VK_RIGHT If collapsed then expand, otherwise move to first child.
5177 * VK_ADD Expand.
5178 * VK_SUBTRACT Collapse.
5179 * VK_MULTIPLY Expand all.
5180 * VK_PRIOR Move up GetVisibleCount items.
5181 * VK_NEXT Move down GetVisibleCount items.
5182 * VK_BACK Move to parent.
5183 * CTRL-Left,Right,Up,Down,PgUp,PgDown,Home,End: Scroll without changing selection
5184 */
5185 static LRESULT
5186 TREEVIEW_KeyDown(TREEVIEW_INFO *infoPtr, WPARAM wParam)
5187 {
5188 /* If it is non-NULL and different, it will be selected and visible. */
5189 TREEVIEW_ITEM *newSelection = NULL;
5190
5191 TREEVIEW_ITEM *prevItem = infoPtr->selectedItem;
5192
5193 TRACE("%lx\n", wParam);
5194
5195 if (prevItem == NULL)
5196 return FALSE;
5197
5198 if (GetAsyncKeyState(VK_CONTROL) & 0x8000)
5199 return TREEVIEW_ScrollKeyDown(infoPtr, wParam);
5200
5201 switch (wParam)
5202 {
5203 case VK_UP:
5204 newSelection = TREEVIEW_GetPrevListItem(infoPtr, prevItem);
5205 if (!newSelection)
5206 newSelection = infoPtr->root->firstChild;
5207 break;
5208
5209 case VK_DOWN:
5210 newSelection = TREEVIEW_GetNextListItem(infoPtr, prevItem);
5211 break;
5212
5213 case VK_HOME:
5214 newSelection = infoPtr->root->firstChild;
5215 break;
5216
5217 case VK_END:
5218 newSelection = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
5219 break;
5220
5221 case VK_LEFT:
5222 if (prevItem->state & TVIS_EXPANDED)
5223 {
5224 TREEVIEW_Collapse(infoPtr, prevItem, FALSE, TRUE);
5225 }
5226 else if (prevItem->parent != infoPtr->root)
5227 {
5228 newSelection = prevItem->parent;
5229 }
5230 break;
5231
5232 case VK_RIGHT:
5233 if (TREEVIEW_HasChildren(infoPtr, prevItem))
5234 {
5235 if (!(prevItem->state & TVIS_EXPANDED))
5236 TREEVIEW_Expand(infoPtr, prevItem, FALSE, TRUE);
5237 else
5238 {
5239 newSelection = prevItem->firstChild;
5240 }
5241 }
5242
5243 break;
5244
5245 case VK_MULTIPLY:
5246 TREEVIEW_ExpandAll(infoPtr, prevItem);
5247 break;
5248
5249 case VK_ADD:
5250 if (!(prevItem->state & TVIS_EXPANDED))
5251 TREEVIEW_Expand(infoPtr, prevItem, FALSE, TRUE);
5252 break;
5253
5254 case VK_SUBTRACT:
5255 if (prevItem->state & TVIS_EXPANDED)
5256 TREEVIEW_Collapse(infoPtr, prevItem, FALSE, TRUE);
5257 break;
5258
5259 case VK_PRIOR:
5260 newSelection
5261 = TREEVIEW_GetListItem(infoPtr, prevItem,
5262 -TREEVIEW_GetVisibleCount(infoPtr));
5263 break;
5264
5265 case VK_NEXT:
5266 newSelection
5267 = TREEVIEW_GetListItem(infoPtr, prevItem,
5268 TREEVIEW_GetVisibleCount(infoPtr));
5269 break;
5270
5271 case VK_BACK:
5272 newSelection = prevItem->parent;
5273 if (newSelection == infoPtr->root)
5274 newSelection = NULL;
5275 break;
5276
5277 case VK_SPACE:
5278 if (infoPtr->dwStyle & TVS_CHECKBOXES)
5279 TREEVIEW_ToggleItemState(infoPtr, prevItem);
5280 break;
5281 }
5282
5283 if (newSelection && newSelection != prevItem)
5284 {
5285 if (TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, newSelection,
5286 TVC_BYKEYBOARD))
5287 {
5288 TREEVIEW_EnsureVisible(infoPtr, newSelection, FALSE);
5289 }
5290 }
5291
5292 return FALSE;
5293 }
5294
5295 static LRESULT
5296 TREEVIEW_MouseLeave (TREEVIEW_INFO * infoPtr)
5297 {
5298 /* remove hot effect from item */
5299 TREEVIEW_InvalidateItem(infoPtr, infoPtr->hotItem);
5300 infoPtr->hotItem = NULL;
5301
5302 return 0;
5303 }
5304
5305 static LRESULT
5306 TREEVIEW_MouseMove (TREEVIEW_INFO * infoPtr, LPARAM lParam)
5307 {
5308 POINT pt;
5309 TRACKMOUSEEVENT trackinfo;
5310 TREEVIEW_ITEM * item;
5311
5312 if (!(infoPtr->dwStyle & TVS_TRACKSELECT)) return 0;
5313
5314 /* fill in the TRACKMOUSEEVENT struct */
5315 trackinfo.cbSize = sizeof(TRACKMOUSEEVENT);
5316 trackinfo.dwFlags = TME_QUERY;
5317 trackinfo.hwndTrack = infoPtr->hwnd;
5318
5319 /* call _TrackMouseEvent to see if we are currently tracking for this hwnd */
5320 _TrackMouseEvent(&trackinfo);
5321
5322 /* Make sure tracking is enabled so we receive a WM_MOUSELEAVE message */
5323 if(!(trackinfo.dwFlags & TME_LEAVE))
5324 {
5325 trackinfo.dwFlags = TME_LEAVE; /* notify upon leaving */
5326 trackinfo.hwndTrack = infoPtr->hwnd;
5327 /* do it as fast as possible, minimal systimer latency will be used */
5328 trackinfo.dwHoverTime = 1;
5329
5330 /* call TRACKMOUSEEVENT so we receive a WM_MOUSELEAVE message */
5331 /* and can properly deactivate the hot item */
5332 _TrackMouseEvent(&trackinfo);
5333 }
5334
5335 pt.x = (short)LOWORD(lParam);
5336 pt.y = (short)HIWORD(lParam);
5337
5338 item = TREEVIEW_HitTestPoint(infoPtr, pt);
5339
5340 if (item != infoPtr->hotItem)
5341 {
5342 /* redraw old hot item */
5343 TREEVIEW_InvalidateItem(infoPtr, infoPtr->hotItem);
5344 infoPtr->hotItem = item;
5345 /* redraw new hot item */
5346 TREEVIEW_InvalidateItem(infoPtr, infoPtr->hotItem);
5347 }
5348
5349 return 0;
5350 }
5351
5352 /* Draw themed border */
5353 static BOOL TREEVIEW_NCPaint (const TREEVIEW_INFO *infoPtr, HRGN region, LPARAM lParam)
5354 {
5355 HTHEME theme = GetWindowTheme (infoPtr->hwnd);
5356 HDC dc;
5357 RECT r;
5358 HRGN cliprgn;
5359 int cxEdge = GetSystemMetrics (SM_CXEDGE),
5360 cyEdge = GetSystemMetrics (SM_CYEDGE);
5361
5362 if (!theme)
5363 return DefWindowProcW (infoPtr->hwnd, WM_NCPAINT, (WPARAM)region, lParam);
5364
5365 GetWindowRect(infoPtr->hwnd, &r);
5366
5367 cliprgn = CreateRectRgn (r.left + cxEdge, r.top + cyEdge,
5368 r.right - cxEdge, r.bottom - cyEdge);
5369 if (region != (HRGN)1)
5370 CombineRgn (cliprgn, cliprgn, region, RGN_AND);
5371 OffsetRect(&r, -r.left, -r.top);
5372
5373 dc = GetDCEx(infoPtr->hwnd, region, DCX_WINDOW|DCX_INTERSECTRGN);
5374 OffsetRect(&r, -r.left, -r.top);
5375
5376 if (IsThemeBackgroundPartiallyTransparent (theme, 0, 0))
5377 DrawThemeParentBackground(infoPtr->hwnd, dc, &r);
5378 DrawThemeBackground (theme, dc, 0, 0, &r, 0);
5379 ReleaseDC(infoPtr->hwnd, dc);
5380
5381 /* Call default proc to get the scrollbars etc. painted */
5382 DefWindowProcW (infoPtr->hwnd, WM_NCPAINT, (WPARAM)cliprgn, 0);
5383
5384 return TRUE;
5385 }
5386
5387 static LRESULT
5388 TREEVIEW_Notify(const TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5389 {
5390 LPNMHDR lpnmh = (LPNMHDR)lParam;
5391
5392 if (lpnmh->code == PGN_CALCSIZE) {
5393 LPNMPGCALCSIZE lppgc = (LPNMPGCALCSIZE)lParam;
5394
5395 if (lppgc->dwFlag == PGF_CALCWIDTH) {
5396 lppgc->iWidth = infoPtr->treeWidth;
5397 TRACE("got PGN_CALCSIZE, returning horz size = %d, client=%d\n",
5398 infoPtr->treeWidth, infoPtr->clientWidth);
5399 }
5400 else {
5401 lppgc->iHeight = infoPtr->treeHeight;
5402 TRACE("got PGN_CALCSIZE, returning vert size = %d, client=%d\n",
5403 infoPtr->treeHeight, infoPtr->clientHeight);
5404 }
5405 return 0;
5406 }
5407 return DefWindowProcW(infoPtr->hwnd, WM_NOTIFY, wParam, lParam);
5408 }
5409
5410 static LRESULT
5411 TREEVIEW_Size(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5412 {
5413 if (wParam == SIZE_RESTORED)
5414 {
5415 infoPtr->clientWidth = (short)LOWORD(lParam);
5416 infoPtr->clientHeight = (short)HIWORD(lParam);
5417
5418 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
5419 TREEVIEW_SetFirstVisible(infoPtr, infoPtr->firstVisible, TRUE);
5420 TREEVIEW_UpdateScrollBars(infoPtr);
5421 }
5422 else
5423 {
5424 FIXME("WM_SIZE flag %lx %lx not handled\n", wParam, lParam);
5425 }
5426
5427 TREEVIEW_Invalidate(infoPtr, NULL);
5428 return 0;
5429 }
5430
5431 static LRESULT
5432 TREEVIEW_StyleChanged(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5433 {
5434 TRACE("(%lx %lx)\n", wParam, lParam);
5435
5436 if (wParam == GWL_STYLE)
5437 {
5438 DWORD dwNewStyle = ((LPSTYLESTRUCT)lParam)->styleNew;
5439
5440 if ((infoPtr->dwStyle ^ dwNewStyle) & TVS_CHECKBOXES)
5441 {
5442 if (dwNewStyle & TVS_CHECKBOXES)
5443 {
5444 initialize_checkboxes(infoPtr);
5445 TRACE("checkboxes enabled\n");
5446 }
5447 else
5448 {
5449 FIXME("tried to disable checkboxes\n");
5450 }
5451 }
5452
5453 if ((infoPtr->dwStyle ^ dwNewStyle) & TVS_NOTOOLTIPS)
5454 {
5455 if (infoPtr->dwStyle & TVS_NOTOOLTIPS)
5456 {
5457 infoPtr->hwndToolTip = COMCTL32_CreateToolTip(infoPtr->hwnd);
5458 TRACE("tooltips enabled\n");
5459 }
5460 else
5461 {
5462 DestroyWindow(infoPtr->hwndToolTip);
5463 infoPtr->hwndToolTip = 0;
5464 TRACE("tooltips disabled\n");
5465 }
5466 }
5467
5468 infoPtr->dwStyle = dwNewStyle;
5469 }
5470
5471 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
5472 TREEVIEW_UpdateScrollBars(infoPtr);
5473 TREEVIEW_Invalidate(infoPtr, NULL);
5474
5475 return 0;
5476 }
5477
5478 static LRESULT
5479 TREEVIEW_SetCursor(const TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5480 {
5481 POINT pt;
5482 TREEVIEW_ITEM * item;
5483 NMMOUSE nmmouse;
5484
5485 GetCursorPos(&pt);
5486 ScreenToClient(infoPtr->hwnd, &pt);
5487
5488 item = TREEVIEW_HitTestPoint(infoPtr, pt);
5489
5490 memset(&nmmouse, 0, sizeof(nmmouse));
5491 nmmouse.hdr.hwndFrom = infoPtr->hwnd;
5492 nmmouse.hdr.idFrom = GetWindowLongPtrW(infoPtr->hwnd, GWLP_ID);
5493 nmmouse.hdr.code = NM_SETCURSOR;
5494 if (item)
5495 {
5496 nmmouse.dwItemSpec = (DWORD_PTR)item;
5497 nmmouse.dwItemData = item->lParam;
5498 }
5499 nmmouse.pt.x = 0;
5500 nmmouse.pt.y = 0;
5501 nmmouse.dwHitInfo = lParam;
5502 if (TREEVIEW_SendRealNotify(infoPtr, nmmouse.hdr.idFrom, &nmmouse.hdr))
5503 return 0;
5504
5505 if (item && (infoPtr->dwStyle & TVS_TRACKSELECT))
5506 {
5507 SetCursor(infoPtr->hcurHand);
5508 return 0;
5509 }
5510 else
5511 return DefWindowProcW(infoPtr->hwnd, WM_SETCURSOR, wParam, lParam);
5512 }
5513
5514 static LRESULT
5515 TREEVIEW_SetFocus(TREEVIEW_INFO *infoPtr)
5516 {
5517 TRACE("\n");
5518
5519 if (!infoPtr->selectedItem)
5520 {
5521 TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, infoPtr->firstVisible,
5522 TVC_UNKNOWN);
5523 }
5524
5525 TREEVIEW_Invalidate(infoPtr, infoPtr->selectedItem);
5526 TREEVIEW_SendSimpleNotify(infoPtr, NM_SETFOCUS);
5527 return 0;
5528 }
5529
5530 static LRESULT
5531 TREEVIEW_KillFocus(const TREEVIEW_INFO *infoPtr)
5532 {
5533 TRACE("\n");
5534
5535 TREEVIEW_Invalidate(infoPtr, infoPtr->selectedItem);
5536 UpdateWindow(infoPtr->hwnd);
5537 TREEVIEW_SendSimpleNotify(infoPtr, NM_KILLFOCUS);
5538 return 0;
5539 }
5540
5541 /* update theme after a WM_THEMECHANGED message */
5542 static LRESULT TREEVIEW_ThemeChanged(const TREEVIEW_INFO *infoPtr)
5543 {
5544 HTHEME theme = GetWindowTheme (infoPtr->hwnd);
5545 CloseThemeData (theme);
5546 OpenThemeData (infoPtr->hwnd, themeClass);
5547 return 0;
5548 }
5549
5550
5551 static LRESULT WINAPI
5552 TREEVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
5553 {
5554 TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(hwnd);
5555
5556 TRACE("hwnd %p msg %04x wp=%08lx lp=%08lx\n", hwnd, uMsg, wParam, lParam);
5557
5558 if (infoPtr) TREEVIEW_VerifyTree(infoPtr);
5559 else
5560 {
5561 if (uMsg == WM_CREATE)
5562 TREEVIEW_Create(hwnd, (LPCREATESTRUCTW)lParam);
5563 else
5564 goto def;
5565 }
5566
5567 switch (uMsg)
5568 {
5569 case TVM_CREATEDRAGIMAGE:
5570 return TREEVIEW_CreateDragImage(infoPtr, lParam);
5571
5572 case TVM_DELETEITEM:
5573 return TREEVIEW_DeleteItem(infoPtr, (HTREEITEM)lParam);
5574
5575 case TVM_EDITLABELA:
5576 case TVM_EDITLABELW:
5577 return (LRESULT)TREEVIEW_EditLabel(infoPtr, (HTREEITEM)lParam);
5578
5579 case TVM_ENDEDITLABELNOW:
5580 return TREEVIEW_EndEditLabelNow(infoPtr, (BOOL)wParam);
5581
5582 case TVM_ENSUREVISIBLE:
5583 return TREEVIEW_EnsureVisible(infoPtr, (HTREEITEM)lParam, TRUE);
5584
5585 case TVM_EXPAND:
5586 return TREEVIEW_ExpandMsg(infoPtr, (UINT)wParam, (HTREEITEM)lParam);
5587
5588 case TVM_GETBKCOLOR:
5589 return TREEVIEW_GetBkColor(infoPtr);
5590
5591 case TVM_GETCOUNT:
5592 return TREEVIEW_GetCount(infoPtr);
5593
5594 case TVM_GETEDITCONTROL:
5595 return TREEVIEW_GetEditControl(infoPtr);
5596
5597 case TVM_GETIMAGELIST:
5598 return TREEVIEW_GetImageList(infoPtr, wParam);
5599
5600 case TVM_GETINDENT:
5601 return TREEVIEW_GetIndent(infoPtr);
5602
5603 case TVM_GETINSERTMARKCOLOR:
5604 return TREEVIEW_GetInsertMarkColor(infoPtr);
5605
5606 case TVM_GETISEARCHSTRINGA:
5607 FIXME("Unimplemented msg TVM_GETISEARCHSTRINGA\n");
5608 return 0;
5609
5610 case TVM_GETISEARCHSTRINGW:
5611 FIXME("Unimplemented msg TVM_GETISEARCHSTRINGW\n");
5612 return 0;
5613
5614 case TVM_GETITEMA:
5615 case TVM_GETITEMW:
5616 return TREEVIEW_GetItemT(infoPtr, (LPTVITEMEXW)lParam,
5617 uMsg == TVM_GETITEMW);
5618 case TVM_GETITEMHEIGHT:
5619 return TREEVIEW_GetItemHeight(infoPtr);
5620
5621 case TVM_GETITEMRECT:
5622 return TREEVIEW_GetItemRect(infoPtr, (BOOL)wParam, (LPRECT)lParam);
5623
5624 case TVM_GETITEMSTATE:
5625 return TREEVIEW_GetItemState(infoPtr, (HTREEITEM)wParam, (UINT)lParam);
5626
5627 case TVM_GETLINECOLOR:
5628 return TREEVIEW_GetLineColor(infoPtr);
5629
5630 case TVM_GETNEXTITEM:
5631 return TREEVIEW_GetNextItem(infoPtr, (UINT)wParam, (HTREEITEM)lParam);
5632
5633 case TVM_GETSCROLLTIME:
5634 return TREEVIEW_GetScrollTime(infoPtr);
5635
5636 case TVM_GETTEXTCOLOR:
5637 return TREEVIEW_GetTextColor(infoPtr);
5638
5639 case TVM_GETTOOLTIPS:
5640 return TREEVIEW_GetToolTips(infoPtr);
5641
5642 case TVM_GETUNICODEFORMAT:
5643 return TREEVIEW_GetUnicodeFormat(infoPtr);
5644
5645 case TVM_GETVISIBLECOUNT:
5646 return TREEVIEW_GetVisibleCount(infoPtr);
5647
5648 case TVM_HITTEST:
5649 return TREEVIEW_HitTest(infoPtr, (LPTVHITTESTINFO)lParam);
5650
5651 case TVM_INSERTITEMA:
5652 case TVM_INSERTITEMW:
5653 return TREEVIEW_InsertItemT(infoPtr, (LPTVINSERTSTRUCTW)lParam,
5654 uMsg == TVM_INSERTITEMW);
5655 case TVM_SELECTITEM:
5656 return TREEVIEW_SelectItem(infoPtr, (INT)wParam, (HTREEITEM)lParam);
5657
5658 case TVM_SETBKCOLOR:
5659 return TREEVIEW_SetBkColor(infoPtr, (COLORREF)lParam);
5660
5661 case TVM_SETIMAGELIST:
5662 return TREEVIEW_SetImageList(infoPtr, wParam, (HIMAGELIST)lParam);
5663
5664 case TVM_SETINDENT:
5665 return TREEVIEW_SetIndent(infoPtr, (UINT)wParam);
5666
5667 case TVM_SETINSERTMARK:
5668 return TREEVIEW_SetInsertMark(infoPtr, (BOOL)wParam, (HTREEITEM)lParam);
5669
5670 case TVM_SETINSERTMARKCOLOR:
5671 return TREEVIEW_SetInsertMarkColor(infoPtr, (COLORREF)lParam);
5672
5673 case TVM_SETITEMA:
5674 case TVM_SETITEMW:
5675 return TREEVIEW_SetItemT(infoPtr, (LPTVITEMEXW)lParam,
5676 uMsg == TVM_SETITEMW);
5677 case TVM_SETLINECOLOR:
5678 return TREEVIEW_SetLineColor(infoPtr, (COLORREF)lParam);
5679
5680 case TVM_SETITEMHEIGHT:
5681 return TREEVIEW_SetItemHeight(infoPtr, (INT)(SHORT)wParam);
5682
5683 case TVM_SETSCROLLTIME:
5684 return TREEVIEW_SetScrollTime(infoPtr, (UINT)wParam);
5685
5686 case TVM_SETTEXTCOLOR:
5687 return TREEVIEW_SetTextColor(infoPtr, (COLORREF)lParam);
5688
5689 case TVM_SETTOOLTIPS:
5690 return TREEVIEW_SetToolTips(infoPtr, (HWND)wParam);
5691
5692 case TVM_SETUNICODEFORMAT:
5693 return TREEVIEW_SetUnicodeFormat(infoPtr, (BOOL)wParam);
5694
5695 case TVM_SORTCHILDREN:
5696 return TREEVIEW_SortChildren(infoPtr, lParam);
5697
5698 case TVM_SORTCHILDRENCB:
5699 return TREEVIEW_SortChildrenCB(infoPtr, (LPTVSORTCB)lParam);
5700
5701 case WM_CHAR:
5702 return TREEVIEW_ProcessLetterKeys(infoPtr, wParam, lParam);
5703
5704 case WM_COMMAND:
5705 return TREEVIEW_Command(infoPtr, wParam, lParam);
5706
5707 case WM_DESTROY:
5708 return TREEVIEW_Destroy(infoPtr);
5709
5710 /* WM_ENABLE */
5711
5712 case WM_ERASEBKGND:
5713 return TREEVIEW_EraseBackground(infoPtr, (HDC)wParam);
5714
5715 case WM_GETDLGCODE:
5716 return DLGC_WANTARROWS | DLGC_WANTCHARS;
5717
5718 case WM_GETFONT:
5719 return TREEVIEW_GetFont(infoPtr);
5720
5721 case WM_HSCROLL:
5722 return TREEVIEW_HScroll(infoPtr, wParam);
5723
5724 case WM_KEYDOWN:
5725 return TREEVIEW_KeyDown(infoPtr, wParam);
5726
5727 case WM_KILLFOCUS:
5728 return TREEVIEW_KillFocus(infoPtr);
5729
5730 case WM_LBUTTONDBLCLK:
5731 return TREEVIEW_LButtonDoubleClick(infoPtr, lParam);
5732
5733 case WM_LBUTTONDOWN:
5734 return TREEVIEW_LButtonDown(infoPtr, lParam);
5735
5736 /* WM_MBUTTONDOWN */
5737
5738 case WM_MOUSELEAVE:
5739 return TREEVIEW_MouseLeave(infoPtr);
5740
5741 case WM_MOUSEMOVE:
5742 return TREEVIEW_MouseMove(infoPtr, lParam);
5743
5744 case WM_NCLBUTTONDOWN:
5745 if (infoPtr->hwndEdit)
5746 SetFocus(infoPtr->hwnd);
5747 goto def;
5748
5749 case WM_NCPAINT:
5750 return TREEVIEW_NCPaint (infoPtr, (HRGN)wParam, lParam);
5751
5752 case WM_NOTIFY:
5753 return TREEVIEW_Notify(infoPtr, wParam, lParam);
5754
5755 case WM_NOTIFYFORMAT:
5756 return TREEVIEW_NotifyFormat(infoPtr, (HWND)wParam, (UINT)lParam);
5757
5758 case WM_PRINTCLIENT:
5759 return TREEVIEW_PrintClient(infoPtr, (HDC)wParam, lParam);
5760
5761 case WM_PAINT:
5762 return TREEVIEW_Paint(infoPtr, (HDC)wParam);
5763
5764 case WM_RBUTTONDOWN:
5765 return TREEVIEW_RButtonDown(infoPtr, lParam);
5766
5767 case WM_SETCURSOR:
5768 return TREEVIEW_SetCursor(infoPtr, wParam, lParam);
5769
5770 case WM_SETFOCUS:
5771 return TREEVIEW_SetFocus(infoPtr);
5772
5773 case WM_SETFONT:
5774 return TREEVIEW_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
5775
5776 case WM_SETREDRAW:
5777 return TREEVIEW_SetRedraw(infoPtr, wParam);
5778
5779 case WM_SIZE:
5780 return TREEVIEW_Size(infoPtr, wParam, lParam);
5781
5782 case WM_STYLECHANGED:
5783 return TREEVIEW_StyleChanged(infoPtr, wParam, lParam);
5784
5785 case WM_SYSCOLORCHANGE:
5786 COMCTL32_RefreshSysColors();
5787 return 0;
5788
5789 /* WM_SYSKEYDOWN */
5790
5791 case WM_TIMER:
5792 return TREEVIEW_HandleTimer(infoPtr, wParam);
5793
5794 case WM_THEMECHANGED:
5795 return TREEVIEW_ThemeChanged (infoPtr);
5796
5797 case WM_VSCROLL:
5798 return TREEVIEW_VScroll(infoPtr, wParam);
5799
5800 /* WM_WININICHANGE */
5801
5802 case WM_MOUSEWHEEL:
5803 return TREEVIEW_MouseWheel(infoPtr, wParam, lParam);
5804
5805 case WM_DRAWITEM:
5806 TRACE("drawItem\n");
5807 goto def;
5808
5809 default:
5810 /* This mostly catches MFC and Delphi messages. :( */
5811 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
5812 TRACE("Unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
5813 def:
5814 return DefWindowProcW(hwnd, uMsg, wParam, lParam);
5815 }
5816 }
5817
5818
5819 /* Class Registration ***************************************************/
5820
5821 VOID
5822 TREEVIEW_Register(void)
5823 {
5824 WNDCLASSW wndClass;
5825
5826 TRACE("\n");
5827
5828 ZeroMemory(&wndClass, sizeof(WNDCLASSW));
5829 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
5830 wndClass.lpfnWndProc = TREEVIEW_WindowProc;
5831 wndClass.cbClsExtra = 0;
5832 wndClass.cbWndExtra = sizeof(TREEVIEW_INFO *);
5833
5834 wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
5835 wndClass.hbrBackground = 0;
5836 wndClass.lpszClassName = WC_TREEVIEWW;
5837
5838 RegisterClassW(&wndClass);
5839 }
5840
5841
5842 VOID
5843 TREEVIEW_Unregister(void)
5844 {
5845 UnregisterClassW(WC_TREEVIEWW, NULL);
5846 }
5847
5848
5849 /* Tree Verification ****************************************************/
5850
5851 static inline void
5852 TREEVIEW_VerifyChildren(TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item);
5853
5854 static inline void TREEVIEW_VerifyItemCommon(TREEVIEW_INFO *infoPtr,
5855 const TREEVIEW_ITEM *item)
5856 {
5857 assert(infoPtr != NULL);
5858 assert(item != NULL);
5859
5860 /* both NULL, or both non-null */
5861 assert((item->firstChild == NULL) == (item->lastChild == NULL));
5862
5863 assert(item->firstChild != item);
5864 assert(item->lastChild != item);
5865
5866 if (item->firstChild)
5867 {
5868 assert(item->firstChild->parent == item);
5869 assert(item->firstChild->prevSibling == NULL);
5870 }
5871
5872 if (item->lastChild)
5873 {
5874 assert(item->lastChild->parent == item);
5875 assert(item->lastChild->nextSibling == NULL);
5876 }
5877
5878 assert(item->nextSibling != item);
5879 if (item->nextSibling)
5880 {
5881 assert(item->nextSibling->parent == item->parent);
5882 assert(item->nextSibling->prevSibling == item);
5883 }
5884
5885 assert(item->prevSibling != item);
5886 if (item->prevSibling)
5887 {
5888 assert(item->prevSibling->parent == item->parent);
5889 assert(item->prevSibling->nextSibling == item);
5890 }
5891 }
5892
5893 static inline void
5894 TREEVIEW_VerifyItem(TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
5895 {
5896 assert(item != NULL);
5897
5898 assert(item->parent != NULL);
5899 assert(item->parent != item);
5900 assert(item->iLevel == item->parent->iLevel + 1);
5901
5902 assert(DPA_GetPtrIndex(infoPtr->items, item) != -1);
5903
5904 TREEVIEW_VerifyItemCommon(infoPtr, item);
5905
5906 TREEVIEW_VerifyChildren(infoPtr, item);
5907 }
5908
5909 static inline void
5910 TREEVIEW_VerifyChildren(TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
5911 {
5912 const TREEVIEW_ITEM *child;
5913 assert(item != NULL);
5914
5915 for (child = item->firstChild; child != NULL; child = child->nextSibling)
5916 TREEVIEW_VerifyItem(infoPtr, child);
5917 }
5918
5919 static inline void
5920 TREEVIEW_VerifyRoot(TREEVIEW_INFO *infoPtr)
5921 {
5922 TREEVIEW_ITEM *root = infoPtr->root;
5923
5924 assert(root != NULL);
5925 assert(root->iLevel == -1);
5926 assert(root->parent == NULL);
5927 assert(root->prevSibling == NULL);
5928
5929 TREEVIEW_VerifyItemCommon(infoPtr, root);
5930
5931 TREEVIEW_VerifyChildren(infoPtr, root);
5932 }
5933
5934 static void
5935 TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr)
5936 {
5937 if (!TRACE_ON(treeview)) return;
5938
5939 assert(infoPtr != NULL);
5940 TREEVIEW_VerifyRoot(infoPtr);
5941 }
Maarten's multimedia branch