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includes: Fix alignment for 64-bits
[wine/wine64.git] / dlls / comctl32 / treeview.c
blobdd0563ad834f4b72acd097454344b18c5424f60d
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: NM_SETCURSOR, 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
37 *
38 * Make the insertion mark look right.
39 * Scroll (instead of repaint) as much as possible.
40 */
41
42 #include "config.h"
43 #include "wine/port.h"
44
45 #include <assert.h>
46 #include <ctype.h>
47 #include <stdarg.h>
48 #include <string.h>
49 #include <limits.h>
50 #include <stdlib.h>
51
52 #define NONAMELESSUNION
53 #define NONAMELESSSTRUCT
54 #include "windef.h"
55 #include "winbase.h"
56 #include "wingdi.h"
57 #include "winuser.h"
58 #include "winnls.h"
59 #include "commctrl.h"
60 #include "comctl32.h"
61 #include "uxtheme.h"
62 #include "tmschema.h"
63 #include "wine/unicode.h"
64 #include "wine/debug.h"
65
66 /* internal structures */
67
68 typedef struct _TREEITEM /* HTREEITEM is a _TREEINFO *. */
69 {
70 UINT callbackMask;
71 UINT state;
72 UINT stateMask;
73 LPWSTR pszText;
74 int cchTextMax;
75 int iImage;
76 int iSelectedImage;
77 int cChildren;
78 LPARAM lParam;
79 int iIntegral; /* item height multiplier (1 is normal) */
80 int iLevel; /* indentation level:0=root level */
81 HTREEITEM parent; /* handle to parent or 0 if at root */
82 HTREEITEM firstChild; /* handle to first child or 0 if no child */
83 HTREEITEM lastChild;
84 HTREEITEM prevSibling; /* handle to prev item in list, 0 if first */
85 HTREEITEM nextSibling; /* handle to next item in list, 0 if last */
86 RECT rect;
87 LONG linesOffset;
88 LONG stateOffset;
89 LONG imageOffset;
90 LONG textOffset;
91 LONG textWidth; /* horizontal text extent for pszText */
92 LONG visibleOrder; /* visible ordering, 0 is first visible item */
93 } TREEVIEW_ITEM;
94
95
96 typedef struct tagTREEVIEW_INFO
97 {
98 HWND hwnd;
99 HWND hwndNotify; /* Owner window to send notifications to */
100 DWORD dwStyle;
101 HTREEITEM root;
102 UINT uInternalStatus;
103 INT Timer;
104 UINT uNumItems; /* number of valid TREEVIEW_ITEMs */
105 INT cdmode; /* last custom draw setting */
106 UINT uScrollTime; /* max. time for scrolling in milliseconds */
107 BOOL bRedraw; /* if FALSE we validate but don't redraw in TREEVIEW_Paint() */
108
109 UINT uItemHeight; /* item height */
110 BOOL bHeightSet;
111
112 LONG clientWidth; /* width of control window */
113 LONG clientHeight; /* height of control window */
114
115 LONG treeWidth; /* width of visible tree items */
116 LONG treeHeight; /* height of visible tree items */
117
118 UINT uIndent; /* indentation in pixels */
119 HTREEITEM selectedItem; /* handle to selected item or 0 if none */
120 HTREEITEM hotItem; /* handle currently under cursor, 0 if none */
121 HTREEITEM focusedItem; /* item that was under the cursor when WM_LBUTTONDOWN was received */
122
123 HTREEITEM firstVisible; /* handle to first visible item */
124 LONG maxVisibleOrder;
125 HTREEITEM dropItem; /* handle to item selected by drag cursor */
126 HTREEITEM insertMarkItem; /* item after which insertion mark is placed */
127 BOOL insertBeforeorAfter; /* flag used by TVM_SETINSERTMARK */
128 HIMAGELIST dragList; /* Bitmap of dragged item */
129 LONG scrollX;
130 COLORREF clrBk;
131 COLORREF clrText;
132 COLORREF clrLine;
133 COLORREF clrInsertMark;
134 HFONT hFont;
135 HFONT hDefaultFont;
136 HFONT hBoldFont;
137 HFONT hUnderlineFont;
138 HCURSOR hcurHand;
139 HWND hwndToolTip;
140
141 HWND hwndEdit;
142 WNDPROC wpEditOrig; /* orig window proc for subclassing edit */
143 BOOL bIgnoreEditKillFocus;
144 BOOL bLabelChanged;
145
146 BOOL bNtfUnicode; /* TRUE if should send NOTIFY with W */
147 HIMAGELIST himlNormal;
148 int normalImageHeight;
149 int normalImageWidth;
150 HIMAGELIST himlState;
151 int stateImageHeight;
152 int stateImageWidth;
153 HDPA items;
154
155 DWORD lastKeyPressTimestamp; /* Added */
156 WPARAM charCode; /* Added */
157 INT nSearchParamLength; /* Added */
158 WCHAR szSearchParam[ MAX_PATH ]; /* Added */
159 } TREEVIEW_INFO;
160
161
162 /******** Defines that TREEVIEW_ProcessLetterKeys uses ****************/
163 #define KEY_DELAY 450
164
165 /* bitflags for infoPtr->uInternalStatus */
166
167 #define TV_HSCROLL 0x01 /* treeview too large to fit in window */
168 #define TV_VSCROLL 0x02 /* (horizontal/vertical) */
169 #define TV_LDRAG 0x04 /* Lbutton pushed to start drag */
170 #define TV_LDRAGGING 0x08 /* Lbutton pushed, mouse moved. */
171 #define TV_RDRAG 0x10 /* ditto Rbutton */
172 #define TV_RDRAGGING 0x20
173
174 /* bitflags for infoPtr->timer */
175
176 #define TV_EDIT_TIMER 2
177 #define TV_EDIT_TIMER_SET 2
178
179
180 VOID TREEVIEW_Register (VOID);
181 VOID TREEVIEW_Unregister (VOID);
182
183
184 WINE_DEFAULT_DEBUG_CHANNEL(treeview);
185
186
187 #define TEXT_CALLBACK_SIZE 260
188
189 #define TREEVIEW_LEFT_MARGIN 8
190
191 #define MINIMUM_INDENT 19
192
193 #define CALLBACK_MASK_ALL (TVIF_TEXT|TVIF_CHILDREN|TVIF_IMAGE|TVIF_SELECTEDIMAGE)
194
195 #define STATEIMAGEINDEX(x) (((x) >> 12) & 0x0f)
196 #define OVERLAYIMAGEINDEX(x) (((x) >> 8) & 0x0f)
197 #define ISVISIBLE(x) ((x)->visibleOrder >= 0)
198
199
200 static const WCHAR themeClass[] = { 'T','r','e','e','v','i','e','w',0 };
201
202
203 typedef VOID (*TREEVIEW_ItemEnumFunc)(TREEVIEW_INFO *, TREEVIEW_ITEM *,LPVOID);
204
205
206 static VOID TREEVIEW_Invalidate(const TREEVIEW_INFO *, const TREEVIEW_ITEM *);
207
208 static LRESULT TREEVIEW_DoSelectItem(TREEVIEW_INFO *, INT, HTREEITEM, INT);
209 static VOID TREEVIEW_SetFirstVisible(TREEVIEW_INFO *, TREEVIEW_ITEM *, BOOL);
210 static LRESULT TREEVIEW_EnsureVisible(TREEVIEW_INFO *, HTREEITEM, BOOL);
211 static LRESULT TREEVIEW_RButtonUp(const TREEVIEW_INFO *, const POINT *);
212 static LRESULT TREEVIEW_EndEditLabelNow(TREEVIEW_INFO *infoPtr, BOOL bCancel);
213 static VOID TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr);
214 static LRESULT TREEVIEW_HScroll(TREEVIEW_INFO *, WPARAM);
215 static INT TREEVIEW_NotifyFormat (TREEVIEW_INFO *infoPtr, HWND wParam, UINT lParam);
216
217
218 /* Random Utilities *****************************************************/
219
220 #ifndef NDEBUG
221 static inline void
222 TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr)
223 {
224 (void)infoPtr;
225 }
226 #else
227 /* The definition is at the end of the file. */
228 static void TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr);
229 #endif
230
231 /* Returns the treeview private data if hwnd is a treeview.
232 * Otherwise returns an undefined value. */
233 static TREEVIEW_INFO *
234 TREEVIEW_GetInfoPtr(HWND hwnd)
235 {
236 return (TREEVIEW_INFO *)GetWindowLongPtrW(hwnd, 0);
237 }
238
239 /* Don't call this. Nothing wants an item index. */
240 static inline int
241 TREEVIEW_GetItemIndex(const TREEVIEW_INFO *infoPtr, HTREEITEM handle)
242 {
243 return DPA_GetPtrIndex(infoPtr->items, handle);
244 }
245
246 /* Checks if item has changed and needs to be redrawn */
247 static inline BOOL item_changed (const TREEVIEW_ITEM *tiOld, const TREEVIEW_ITEM *tiNew,
248 const TVITEMEXW *tvChange)
249 {
250 /* Number of children has changed */
251 if ((tvChange->mask & TVIF_CHILDREN) && (tiOld->cChildren != tiNew->cChildren))
252 return TRUE;
253
254 /* Image has changed and it's not a callback */
255 if ((tvChange->mask & TVIF_IMAGE) && (tiOld->iImage != tiNew->iImage) &&
256 tiNew->iImage != I_IMAGECALLBACK)
257 return TRUE;
258
259 /* Selected image has changed and it's not a callback */
260 if ((tvChange->mask & TVIF_SELECTEDIMAGE) && (tiOld->iSelectedImage != tiNew->iSelectedImage) &&
261 tiNew->iSelectedImage != I_IMAGECALLBACK)
262 return TRUE;
263
264 /* Text has changed and it's not a callback */
265 if ((tvChange->mask & TVIF_TEXT) && (tiOld->pszText != tiNew->pszText) &&
266 tiNew->pszText != LPSTR_TEXTCALLBACKW)
267 return TRUE;
268
269 /* Indent has changed */
270 if ((tvChange->mask & TVIF_INTEGRAL) && (tiOld->iIntegral != tiNew->iIntegral))
271 return TRUE;
272
273 /* Item state has changed */
274 if ((tvChange->mask & TVIF_STATE) && ((tiOld->state ^ tiNew->state) & tvChange->stateMask ))
275 return TRUE;
276
277 return FALSE;
278 }
279
280 /***************************************************************************
281 * This method checks that handle is an item for this tree.
282 */
283 static BOOL
284 TREEVIEW_ValidItem(const TREEVIEW_INFO *infoPtr, HTREEITEM handle)
285 {
286 if (TREEVIEW_GetItemIndex(infoPtr, handle) == -1)
287 {
288 TRACE("invalid item %p\n", handle);
289 return FALSE;
290 }
291 else
292 return TRUE;
293 }
294
295 static HFONT
296 TREEVIEW_CreateBoldFont(HFONT hOrigFont)
297 {
298 LOGFONTW font;
299
300 GetObjectW(hOrigFont, sizeof(font), &font);
301 font.lfWeight = FW_BOLD;
302 return CreateFontIndirectW(&font);
303 }
304
305 static HFONT
306 TREEVIEW_CreateUnderlineFont(HFONT hOrigFont)
307 {
308 LOGFONTW font;
309
310 GetObjectW(hOrigFont, sizeof(font), &font);
311 font.lfUnderline = TRUE;
312 return CreateFontIndirectW(&font);
313 }
314
315 static inline HFONT
316 TREEVIEW_FontForItem(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
317 {
318 if ((infoPtr->dwStyle & TVS_TRACKSELECT) && (item == infoPtr->hotItem))
319 return infoPtr->hUnderlineFont;
320 if (item->state & TVIS_BOLD)
321 return infoPtr->hBoldFont;
322 return infoPtr->hFont;
323 }
324
325 /* for trace/debugging purposes only */
326 static const char *
327 TREEVIEW_ItemName(const TREEVIEW_ITEM *item)
328 {
329 if (item == NULL) return "<null item>";
330 if (item->pszText == LPSTR_TEXTCALLBACKW) return "<callback>";
331 if (item->pszText == NULL) return "<null>";
332 return debugstr_w(item->pszText);
333 }
334
335 /* An item is not a child of itself. */
336 static BOOL
337 TREEVIEW_IsChildOf(const TREEVIEW_ITEM *parent, const TREEVIEW_ITEM *child)
338 {
339 do
340 {
341 child = child->parent;
342 if (child == parent) return TRUE;
343 } while (child != NULL);
344
345 return FALSE;
346 }
347
348
349 /* Tree Traversal *******************************************************/
350
351 /***************************************************************************
352 * This method returns the last expanded sibling or child child item
353 * of a tree node
354 */
355 static TREEVIEW_ITEM *
356 TREEVIEW_GetLastListItem(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
357 {
358 if (!wineItem)
359 return NULL;
360
361 while (wineItem->lastChild)
362 {
363 if (wineItem->state & TVIS_EXPANDED)
364 wineItem = wineItem->lastChild;
365 else
366 break;
367 }
368
369 if (wineItem == infoPtr->root)
370 return NULL;
371
372 return wineItem;
373 }
374
375 /***************************************************************************
376 * This method returns the previous non-hidden item in the list not
377 * considering the tree hierarchy.
378 */
379 static TREEVIEW_ITEM *
380 TREEVIEW_GetPrevListItem(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *tvItem)
381 {
382 if (tvItem->prevSibling)
383 {
384 /* This item has a prevSibling, get the last item in the sibling's tree. */
385 TREEVIEW_ITEM *upItem = tvItem->prevSibling;
386
387 if ((upItem->state & TVIS_EXPANDED) && upItem->lastChild != NULL)
388 return TREEVIEW_GetLastListItem(infoPtr, upItem->lastChild);
389 else
390 return upItem;
391 }
392 else
393 {
394 /* this item does not have a prevSibling, get the parent */
395 return (tvItem->parent != infoPtr->root) ? tvItem->parent : NULL;
396 }
397 }
398
399
400 /***************************************************************************
401 * This method returns the next physical item in the treeview not
402 * considering the tree hierarchy.
403 */
404 static TREEVIEW_ITEM *
405 TREEVIEW_GetNextListItem(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *tvItem)
406 {
407 /*
408 * If this item has children and is expanded, return the first child
409 */
410 if ((tvItem->state & TVIS_EXPANDED) && tvItem->firstChild != NULL)
411 {
412 return tvItem->firstChild;
413 }
414
415
416 /*
417 * try to get the sibling
418 */
419 if (tvItem->nextSibling)
420 return tvItem->nextSibling;
421
422 /*
423 * Otherwise, get the parent's sibling.
424 */
425 while (tvItem->parent)
426 {
427 tvItem = tvItem->parent;
428
429 if (tvItem->nextSibling)
430 return tvItem->nextSibling;
431 }
432
433 return NULL;
434 }
435
436 /***************************************************************************
437 * This method returns the nth item starting at the given item. It returns
438 * the last item (or first) we we run out of items.
439 *
440 * Will scroll backward if count is <0.
441 * forward if count is >0.
442 */
443 static TREEVIEW_ITEM *
444 TREEVIEW_GetListItem(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
445 LONG count)
446 {
447 TREEVIEW_ITEM *(*next_item)(const TREEVIEW_INFO *, const TREEVIEW_ITEM *);
448 TREEVIEW_ITEM *previousItem;
449
450 assert(wineItem != NULL);
451
452 if (count > 0)
453 {
454 next_item = TREEVIEW_GetNextListItem;
455 }
456 else if (count < 0)
457 {
458 count = -count;
459 next_item = TREEVIEW_GetPrevListItem;
460 }
461 else
462 return wineItem;
463
464 do
465 {
466 previousItem = wineItem;
467 wineItem = next_item(infoPtr, wineItem);
468
469 } while (--count && wineItem != NULL);
470
471
472 return wineItem ? wineItem : previousItem;
473 }
474
475 /* Notifications ************************************************************/
476
477 static INT get_notifycode(const TREEVIEW_INFO *infoPtr, INT code)
478 {
479 if (!infoPtr->bNtfUnicode) {
480 switch (code) {
481 case TVN_SELCHANGINGW: return TVN_SELCHANGINGA;
482 case TVN_SELCHANGEDW: return TVN_SELCHANGEDA;
483 case TVN_GETDISPINFOW: return TVN_GETDISPINFOA;
484 case TVN_SETDISPINFOW: return TVN_SETDISPINFOA;
485 case TVN_ITEMEXPANDINGW: return TVN_ITEMEXPANDINGA;
486 case TVN_ITEMEXPANDEDW: return TVN_ITEMEXPANDEDA;
487 case TVN_BEGINDRAGW: return TVN_BEGINDRAGA;
488 case TVN_BEGINRDRAGW: return TVN_BEGINRDRAGA;
489 case TVN_DELETEITEMW: return TVN_DELETEITEMA;
490 case TVN_BEGINLABELEDITW: return TVN_BEGINLABELEDITA;
491 case TVN_ENDLABELEDITW: return TVN_ENDLABELEDITA;
492 case TVN_GETINFOTIPW: return TVN_GETINFOTIPA;
493 }
494 }
495 return code;
496 }
497
498 static LRESULT
499 TREEVIEW_SendRealNotify(const TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
500 {
501 TRACE("wParam=%ld, lParam=%ld\n", wParam, lParam);
502 return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, wParam, lParam);
503 }
504
505 static BOOL
506 TREEVIEW_SendSimpleNotify(const TREEVIEW_INFO *infoPtr, UINT code)
507 {
508 NMHDR nmhdr;
509 HWND hwnd = infoPtr->hwnd;
510
511 TRACE("%d\n", code);
512 nmhdr.hwndFrom = hwnd;
513 nmhdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
514 nmhdr.code = get_notifycode(infoPtr, code);
515
516 return (BOOL)TREEVIEW_SendRealNotify(infoPtr, nmhdr.idFrom, (LPARAM)&nmhdr);
517 }
518
519 static VOID
520 TREEVIEW_TVItemFromItem(const TREEVIEW_INFO *infoPtr, UINT mask, TVITEMW *tvItem, TREEVIEW_ITEM *item)
521 {
522 tvItem->mask = mask;
523 tvItem->hItem = item;
524 tvItem->state = item->state;
525 tvItem->stateMask = 0;
526 tvItem->iImage = item->iImage;
527 tvItem->iSelectedImage = item->iSelectedImage;
528 tvItem->cChildren = item->cChildren;
529 tvItem->lParam = item->lParam;
530
531 if(mask & TVIF_TEXT)
532 {
533 if (!infoPtr->bNtfUnicode)
534 {
535 tvItem->cchTextMax = WideCharToMultiByte( CP_ACP, 0, item->pszText, -1, NULL, 0, NULL, NULL );
536 tvItem->pszText = Alloc (tvItem->cchTextMax);
537 WideCharToMultiByte( CP_ACP, 0, item->pszText, -1, (LPSTR)tvItem->pszText, tvItem->cchTextMax, 0, 0 );
538 }
539 else
540 {
541 tvItem->cchTextMax = item->cchTextMax;
542 tvItem->pszText = item->pszText;
543 }
544 }
545 else
546 {
547 tvItem->cchTextMax = 0;
548 tvItem->pszText = NULL;
549 }
550 }
551
552 static BOOL
553 TREEVIEW_SendTreeviewNotify(const TREEVIEW_INFO *infoPtr, UINT code, UINT action,
554 UINT mask, HTREEITEM oldItem, HTREEITEM newItem)
555 {
556 HWND hwnd = infoPtr->hwnd;
557 NMTREEVIEWW nmhdr;
558 BOOL ret;
559
560 TRACE("code:%d action:%x olditem:%p newitem:%p\n",
561 code, action, oldItem, newItem);
562
563 ZeroMemory(&nmhdr, sizeof(NMTREEVIEWW));
564
565 nmhdr.hdr.hwndFrom = hwnd;
566 nmhdr.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
567 nmhdr.hdr.code = get_notifycode(infoPtr, code);
568 nmhdr.action = action;
569
570 if (oldItem)
571 TREEVIEW_TVItemFromItem(infoPtr, mask, &nmhdr.itemOld, oldItem);
572
573 if (newItem)
574 TREEVIEW_TVItemFromItem(infoPtr, mask, &nmhdr.itemNew, newItem);
575
576 nmhdr.ptDrag.x = 0;
577 nmhdr.ptDrag.y = 0;
578
579 ret = (BOOL)TREEVIEW_SendRealNotify(infoPtr, nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
580 if (!infoPtr->bNtfUnicode)
581 {
582 Free(nmhdr.itemOld.pszText);
583 Free(nmhdr.itemNew.pszText);
584 }
585 return ret;
586 }
587
588 static BOOL
589 TREEVIEW_SendTreeviewDnDNotify(const TREEVIEW_INFO *infoPtr, UINT code,
590 HTREEITEM dragItem, POINT pt)
591 {
592 HWND hwnd = infoPtr->hwnd;
593 NMTREEVIEWW nmhdr;
594
595 TRACE("code:%d dragitem:%p\n", code, dragItem);
596
597 nmhdr.hdr.hwndFrom = hwnd;
598 nmhdr.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
599 nmhdr.hdr.code = get_notifycode(infoPtr, code);
600 nmhdr.action = 0;
601 nmhdr.itemNew.mask = TVIF_STATE | TVIF_PARAM | TVIF_HANDLE;
602 nmhdr.itemNew.hItem = dragItem;
603 nmhdr.itemNew.state = dragItem->state;
604 nmhdr.itemNew.lParam = dragItem->lParam;
605
606 nmhdr.ptDrag.x = pt.x;
607 nmhdr.ptDrag.y = pt.y;
608
609 return (BOOL)TREEVIEW_SendRealNotify(infoPtr, nmhdr.hdr.idFrom, (LPARAM)&nmhdr);
610 }
611
612
613 static BOOL
614 TREEVIEW_SendCustomDrawNotify(const TREEVIEW_INFO *infoPtr, DWORD dwDrawStage,
615 HDC hdc, RECT rc)
616 {
617 HWND hwnd = infoPtr->hwnd;
618 NMTVCUSTOMDRAW nmcdhdr;
619 LPNMCUSTOMDRAW nmcd;
620
621 TRACE("drawstage:%x hdc:%p\n", dwDrawStage, hdc);
622
623 nmcd = &nmcdhdr.nmcd;
624 nmcd->hdr.hwndFrom = hwnd;
625 nmcd->hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
626 nmcd->hdr.code = NM_CUSTOMDRAW;
627 nmcd->dwDrawStage = dwDrawStage;
628 nmcd->hdc = hdc;
629 nmcd->rc = rc;
630 nmcd->dwItemSpec = 0;
631 nmcd->uItemState = 0;
632 nmcd->lItemlParam = 0;
633 nmcdhdr.clrText = infoPtr->clrText;
634 nmcdhdr.clrTextBk = infoPtr->clrBk;
635 nmcdhdr.iLevel = 0;
636
637 return (BOOL)TREEVIEW_SendRealNotify(infoPtr, nmcd->hdr.idFrom, (LPARAM)&nmcdhdr);
638 }
639
640
641
642 /* FIXME: need to find out when the flags in uItemState need to be set */
643
644 static BOOL
645 TREEVIEW_SendCustomDrawItemNotify(const TREEVIEW_INFO *infoPtr, HDC hdc,
646 TREEVIEW_ITEM *wineItem, UINT uItemDrawState,
647 NMTVCUSTOMDRAW *nmcdhdr)
648 {
649 HWND hwnd = infoPtr->hwnd;
650 LPNMCUSTOMDRAW nmcd;
651 DWORD dwDrawStage;
652 DWORD_PTR dwItemSpec;
653 UINT uItemState;
654 INT retval;
655
656 dwDrawStage = CDDS_ITEM | uItemDrawState;
657 dwItemSpec = (DWORD_PTR)wineItem;
658 uItemState = 0;
659 if (wineItem->state & TVIS_SELECTED)
660 uItemState |= CDIS_SELECTED;
661 if (wineItem == infoPtr->selectedItem)
662 uItemState |= CDIS_FOCUS;
663 if (wineItem == infoPtr->hotItem)
664 uItemState |= CDIS_HOT;
665
666 nmcd = &nmcdhdr->nmcd;
667 nmcd->hdr.hwndFrom = hwnd;
668 nmcd->hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
669 nmcd->hdr.code = NM_CUSTOMDRAW;
670 nmcd->dwDrawStage = dwDrawStage;
671 nmcd->hdc = hdc;
672 nmcd->rc = wineItem->rect;
673 nmcd->dwItemSpec = dwItemSpec;
674 nmcd->uItemState = uItemState;
675 nmcd->lItemlParam = wineItem->lParam;
676 nmcdhdr->iLevel = wineItem->iLevel;
677
678 TRACE("drawstage:%x hdc:%p item:%lx, itemstate:%x, lItemlParam:%lx\n",
679 nmcd->dwDrawStage, nmcd->hdc, nmcd->dwItemSpec,
680 nmcd->uItemState, nmcd->lItemlParam);
681
682 retval = TREEVIEW_SendRealNotify(infoPtr, nmcd->hdr.idFrom, (LPARAM)nmcdhdr);
683
684 return retval;
685 }
686
687 static BOOL
688 TREEVIEW_BeginLabelEditNotify(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *editItem)
689 {
690 HWND hwnd = infoPtr->hwnd;
691 NMTVDISPINFOW tvdi;
692 BOOL ret;
693
694 tvdi.hdr.hwndFrom = hwnd;
695 tvdi.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
696 tvdi.hdr.code = get_notifycode(infoPtr, TVN_BEGINLABELEDITW);
697
698 TREEVIEW_TVItemFromItem(infoPtr, TVIF_HANDLE | TVIF_STATE | TVIF_PARAM | TVIF_TEXT,
699 &tvdi.item, editItem);
700
701 ret = (BOOL)TREEVIEW_SendRealNotify(infoPtr, tvdi.hdr.idFrom, (LPARAM)&tvdi);
702
703 if (!infoPtr->bNtfUnicode)
704 Free(tvdi.item.pszText);
705
706 return ret;
707 }
708
709 static void
710 TREEVIEW_UpdateDispInfo(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
711 UINT mask)
712 {
713 NMTVDISPINFOW callback;
714 HWND hwnd = infoPtr->hwnd;
715
716 TRACE("mask %x callbackMask %x\n", mask, wineItem->callbackMask);
717 mask &= wineItem->callbackMask;
718
719 if (mask == 0) return;
720
721 callback.hdr.hwndFrom = hwnd;
722 callback.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
723 callback.hdr.code = get_notifycode(infoPtr, TVN_GETDISPINFOW);
724
725 /* 'state' always contains valid value, as well as 'lParam'.
726 * All other parameters are uninitialized.
727 */
728 callback.item.pszText = wineItem->pszText;
729 callback.item.cchTextMax = wineItem->cchTextMax;
730 callback.item.mask = mask;
731 callback.item.hItem = wineItem;
732 callback.item.state = wineItem->state;
733 callback.item.lParam = wineItem->lParam;
734
735 /* If text is changed we need to recalculate textWidth */
736 if (mask & TVIF_TEXT)
737 wineItem->textWidth = 0;
738
739 TREEVIEW_SendRealNotify(infoPtr, callback.hdr.idFrom, (LPARAM)&callback);
740
741 /* It may have changed due to a call to SetItem. */
742 mask &= wineItem->callbackMask;
743
744 if ((mask & TVIF_TEXT) && callback.item.pszText != wineItem->pszText)
745 {
746 /* Instead of copying text into our buffer user specified its own */
747 if (!infoPtr->bNtfUnicode) {
748 LPWSTR newText;
749 int buflen;
750 int len = MultiByteToWideChar( CP_ACP, 0,
751 (LPSTR)callback.item.pszText, -1,
752 NULL, 0);
753 buflen = max((len)*sizeof(WCHAR), TEXT_CALLBACK_SIZE);
754 newText = ReAlloc(wineItem->pszText, buflen);
755
756 TRACE("returned str %s, len=%d, buflen=%d\n",
757 debugstr_a((LPSTR)callback.item.pszText), len, buflen);
758
759 if (newText)
760 {
761 wineItem->pszText = newText;
762 MultiByteToWideChar( CP_ACP, 0,
763 (LPSTR)callback.item.pszText, -1,
764 wineItem->pszText, buflen/sizeof(WCHAR));
765 wineItem->cchTextMax = buflen/sizeof(WCHAR);
766 }
767 /* If ReAlloc fails we have nothing to do, but keep original text */
768 }
769 else {
770 int len = max(lstrlenW(callback.item.pszText) + 1,
771 TEXT_CALLBACK_SIZE);
772 LPWSTR newText = ReAlloc(wineItem->pszText, len);
773
774 TRACE("returned wstr %s, len=%d\n",
775 debugstr_w(callback.item.pszText), len);
776
777 if (newText)
778 {
779 wineItem->pszText = newText;
780 strcpyW(wineItem->pszText, callback.item.pszText);
781 wineItem->cchTextMax = len;
782 }
783 /* If ReAlloc fails we have nothing to do, but keep original text */
784 }
785 }
786 else if (mask & TVIF_TEXT) {
787 /* User put text into our buffer, that is ok unless A string */
788 if (!infoPtr->bNtfUnicode) {
789 LPWSTR newText;
790 LPWSTR oldText = NULL;
791 int buflen;
792 int len = MultiByteToWideChar( CP_ACP, 0,
793 (LPSTR)callback.item.pszText, -1,
794 NULL, 0);
795 buflen = max((len)*sizeof(WCHAR), TEXT_CALLBACK_SIZE);
796 newText = Alloc(buflen);
797
798 TRACE("same buffer str %s, len=%d, buflen=%d\n",
799 debugstr_a((LPSTR)callback.item.pszText), len, buflen);
800
801 if (newText)
802 {
803 oldText = wineItem->pszText;
804 wineItem->pszText = newText;
805 MultiByteToWideChar( CP_ACP, 0,
806 (LPSTR)callback.item.pszText, -1,
807 wineItem->pszText, buflen/sizeof(WCHAR));
808 wineItem->cchTextMax = buflen/sizeof(WCHAR);
809 Free(oldText);
810 }
811 }
812 }
813
814 if (mask & TVIF_IMAGE)
815 wineItem->iImage = callback.item.iImage;
816
817 if (mask & TVIF_SELECTEDIMAGE)
818 wineItem->iSelectedImage = callback.item.iSelectedImage;
819
820 if (mask & TVIF_CHILDREN)
821 wineItem->cChildren = callback.item.cChildren;
822
823 /* These members are now permanently set. */
824 if (callback.item.mask & TVIF_DI_SETITEM)
825 wineItem->callbackMask &= ~callback.item.mask;
826 }
827
828 /***************************************************************************
829 * This function uses cChildren field to decide whether the item has
830 * children or not.
831 * Note: if this returns TRUE, the child items may not actually exist,
832 * they could be virtual.
833 *
834 * Just use wineItem->firstChild to check for physical children.
835 */
836 static BOOL
837 TREEVIEW_HasChildren(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
838 {
839 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, TVIF_CHILDREN);
840
841 return wineItem->cChildren > 0;
842 }
843
844
845 /* Item Position ********************************************************/
846
847 /* Compute linesOffset, stateOffset, imageOffset, textOffset of an item. */
848 static VOID
849 TREEVIEW_ComputeItemInternalMetrics(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
850 {
851 /* Same effect, different optimisation. */
852 #if 0
853 BOOL lar = ((infoPtr->dwStyle & TVS_LINESATROOT)
854 && (infoPtr->dwStyle & (TVS_HASLINES|TVS_HASBUTTONS)));
855 #else
856 BOOL lar = ((infoPtr->dwStyle
857 & (TVS_LINESATROOT|TVS_HASLINES|TVS_HASBUTTONS))
858 > TVS_LINESATROOT);
859 #endif
860
861 item->linesOffset = infoPtr->uIndent * (lar ? item->iLevel : item->iLevel - 1)
862 - infoPtr->scrollX;
863 item->stateOffset = item->linesOffset + infoPtr->uIndent;
864 item->imageOffset = item->stateOffset
865 + (STATEIMAGEINDEX(item->state) ? infoPtr->stateImageWidth : 0);
866 item->textOffset = item->imageOffset + infoPtr->normalImageWidth;
867 }
868
869 static VOID
870 TREEVIEW_ComputeTextWidth(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item, HDC hDC)
871 {
872 HDC hdc;
873 HFONT hOldFont=0;
874 SIZE sz;
875
876 /* DRAW's OM docker creates items like this */
877 if (item->pszText == NULL)
878 {
879 item->textWidth = 0;
880 return;
881 }
882
883 if (hDC != 0)
884 {
885 hdc = hDC;
886 }
887 else
888 {
889 hdc = GetDC(infoPtr->hwnd);
890 hOldFont = SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, item));
891 }
892
893 GetTextExtentPoint32W(hdc, item->pszText, strlenW(item->pszText), &sz);
894 item->textWidth = sz.cx;
895
896 if (hDC == 0)
897 {
898 SelectObject(hdc, hOldFont);
899 ReleaseDC(0, hdc);
900 }
901 }
902
903 static VOID
904 TREEVIEW_ComputeItemRect(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
905 {
906 item->rect.top = infoPtr->uItemHeight *
907 (item->visibleOrder - infoPtr->firstVisible->visibleOrder);
908
909 item->rect.bottom = item->rect.top
910 + infoPtr->uItemHeight * item->iIntegral - 1;
911
912 item->rect.left = 0;
913 item->rect.right = infoPtr->clientWidth;
914 }
915
916 /* We know that only items after start need their order updated. */
917 static void
918 TREEVIEW_RecalculateVisibleOrder(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *start)
919 {
920 TREEVIEW_ITEM *item;
921 int order;
922
923 if (!start)
924 {
925 start = infoPtr->root->firstChild;
926 order = 0;
927 }
928 else
929 order = start->visibleOrder;
930
931 for (item = start; item != NULL;
932 item = TREEVIEW_GetNextListItem(infoPtr, item))
933 {
934 if (!ISVISIBLE(item) && order > 0)
935 TREEVIEW_ComputeItemInternalMetrics(infoPtr, item);
936 item->visibleOrder = order;
937 order += item->iIntegral;
938 }
939
940 infoPtr->maxVisibleOrder = order;
941
942 for (item = start; item != NULL;
943 item = TREEVIEW_GetNextListItem(infoPtr, item))
944 {
945 TREEVIEW_ComputeItemRect(infoPtr, item);
946 }
947 }
948
949
950 /* Update metrics of all items in selected subtree.
951 * root must be expanded
952 */
953 static VOID
954 TREEVIEW_UpdateSubTree(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *root)
955 {
956 TREEVIEW_ITEM *sibling;
957 HDC hdc;
958 HFONT hOldFont;
959
960 if (!root->firstChild || !(root->state & TVIS_EXPANDED))
961 return;
962
963 root->state &= ~TVIS_EXPANDED;
964 sibling = TREEVIEW_GetNextListItem(infoPtr, root);
965 root->state |= TVIS_EXPANDED;
966
967 hdc = GetDC(infoPtr->hwnd);
968 hOldFont = SelectObject(hdc, infoPtr->hFont);
969
970 for (; root != sibling;
971 root = TREEVIEW_GetNextListItem(infoPtr, root))
972 {
973 TREEVIEW_ComputeItemInternalMetrics(infoPtr, root);
974
975 if (root->callbackMask & TVIF_TEXT)
976 TREEVIEW_UpdateDispInfo(infoPtr, root, TVIF_TEXT);
977
978 if (root->textWidth == 0)
979 {
980 SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, root));
981 TREEVIEW_ComputeTextWidth(infoPtr, root, hdc);
982 }
983 }
984
985 SelectObject(hdc, hOldFont);
986 ReleaseDC(infoPtr->hwnd, hdc);
987 }
988
989 /* Item Allocation **********************************************************/
990
991 static TREEVIEW_ITEM *
992 TREEVIEW_AllocateItem(const TREEVIEW_INFO *infoPtr)
993 {
994 TREEVIEW_ITEM *newItem = Alloc(sizeof(TREEVIEW_ITEM));
995
996 if (!newItem)
997 return NULL;
998
999 /* I_IMAGENONE would make more sense but this is neither what is
1000 * documented (MSDN doesn't specify) nor what Windows actually does
1001 * (it sets it to zero)... and I can so imagine an application using
1002 * inc/dec to toggle the images. */
1003 newItem->iImage = 0;
1004 newItem->iSelectedImage = 0;
1005
1006 if (DPA_InsertPtr(infoPtr->items, INT_MAX, newItem) == -1)
1007 {
1008 Free(newItem);
1009 return NULL;
1010 }
1011
1012 return newItem;
1013 }
1014
1015 /* Exact opposite of TREEVIEW_AllocateItem. In particular, it does not
1016 * free item->pszText. */
1017 static void
1018 TREEVIEW_FreeItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
1019 {
1020 DPA_DeletePtr(infoPtr->items, DPA_GetPtrIndex(infoPtr->items, item));
1021 if (infoPtr->selectedItem == item)
1022 infoPtr->selectedItem = NULL;
1023 if (infoPtr->hotItem == item)
1024 infoPtr->hotItem = NULL;
1025 if (infoPtr->focusedItem == item)
1026 infoPtr->focusedItem = NULL;
1027 if (infoPtr->firstVisible == item)
1028 infoPtr->firstVisible = NULL;
1029 if (infoPtr->dropItem == item)
1030 infoPtr->dropItem = NULL;
1031 if (infoPtr->insertMarkItem == item)
1032 infoPtr->insertMarkItem = NULL;
1033 Free(item);
1034 }
1035
1036
1037 /* Item Insertion *******************************************************/
1038
1039 /***************************************************************************
1040 * This method inserts newItem before sibling as a child of parent.
1041 * sibling can be NULL, but only if parent has no children.
1042 */
1043 static void
1044 TREEVIEW_InsertBefore(TREEVIEW_ITEM *newItem, TREEVIEW_ITEM *sibling,
1045 TREEVIEW_ITEM *parent)
1046 {
1047 assert(parent != NULL);
1048
1049 if (sibling != NULL)
1050 {
1051 assert(sibling->parent == parent);
1052
1053 if (sibling->prevSibling != NULL)
1054 sibling->prevSibling->nextSibling = newItem;
1055
1056 newItem->prevSibling = sibling->prevSibling;
1057 sibling->prevSibling = newItem;
1058 }
1059 else
1060 newItem->prevSibling = NULL;
1061
1062 newItem->nextSibling = sibling;
1063
1064 if (parent->firstChild == sibling)
1065 parent->firstChild = newItem;
1066
1067 if (parent->lastChild == NULL)
1068 parent->lastChild = newItem;
1069 }
1070
1071 /***************************************************************************
1072 * This method inserts newItem after sibling as a child of parent.
1073 * sibling can be NULL, but only if parent has no children.
1074 */
1075 static void
1076 TREEVIEW_InsertAfter(TREEVIEW_ITEM *newItem, TREEVIEW_ITEM *sibling,
1077 TREEVIEW_ITEM *parent)
1078 {
1079 assert(parent != NULL);
1080
1081 if (sibling != NULL)
1082 {
1083 assert(sibling->parent == parent);
1084
1085 if (sibling->nextSibling != NULL)
1086 sibling->nextSibling->prevSibling = newItem;
1087
1088 newItem->nextSibling = sibling->nextSibling;
1089 sibling->nextSibling = newItem;
1090 }
1091 else
1092 newItem->nextSibling = NULL;
1093
1094 newItem->prevSibling = sibling;
1095
1096 if (parent->lastChild == sibling)
1097 parent->lastChild = newItem;
1098
1099 if (parent->firstChild == NULL)
1100 parent->firstChild = newItem;
1101 }
1102
1103 static BOOL
1104 TREEVIEW_DoSetItemT(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
1105 const TVITEMEXW *tvItem, BOOL isW)
1106 {
1107 UINT callbackClear = 0;
1108 UINT callbackSet = 0;
1109
1110 TRACE("item %p\n", wineItem);
1111 /* Do this first in case it fails. */
1112 if (tvItem->mask & TVIF_TEXT)
1113 {
1114 wineItem->textWidth = 0; /* force width recalculation */
1115 if (tvItem->pszText != LPSTR_TEXTCALLBACKW) /* covers != TEXTCALLBACKA too */
1116 {
1117 int len;
1118 LPWSTR newText;
1119 if (isW)
1120 len = lstrlenW(tvItem->pszText) + 1;
1121 else
1122 len = MultiByteToWideChar(CP_ACP, 0, (LPSTR)tvItem->pszText, -1, NULL, 0);
1123
1124 newText = ReAlloc(wineItem->pszText, len * sizeof(WCHAR));
1125
1126 if (newText == NULL) return FALSE;
1127
1128 callbackClear |= TVIF_TEXT;
1129
1130 wineItem->pszText = newText;
1131 wineItem->cchTextMax = len;
1132 if (isW)
1133 lstrcpynW(wineItem->pszText, tvItem->pszText, len);
1134 else
1135 MultiByteToWideChar(CP_ACP, 0, (LPSTR)tvItem->pszText, -1,
1136 wineItem->pszText, len);
1137
1138 TRACE("setting text %s, item %p\n", debugstr_w(wineItem->pszText), wineItem);
1139 }
1140 else
1141 {
1142 callbackSet |= TVIF_TEXT;
1143
1144 wineItem->pszText = ReAlloc(wineItem->pszText,
1145 TEXT_CALLBACK_SIZE * sizeof(WCHAR));
1146 wineItem->cchTextMax = TEXT_CALLBACK_SIZE;
1147 TRACE("setting callback, item %p\n", wineItem);
1148 }
1149 }
1150
1151 if (tvItem->mask & TVIF_CHILDREN)
1152 {
1153 wineItem->cChildren = tvItem->cChildren;
1154
1155 if (wineItem->cChildren == I_CHILDRENCALLBACK)
1156 callbackSet |= TVIF_CHILDREN;
1157 else
1158 callbackClear |= TVIF_CHILDREN;
1159 }
1160
1161 if (tvItem->mask & TVIF_IMAGE)
1162 {
1163 wineItem->iImage = tvItem->iImage;
1164
1165 if (wineItem->iImage == I_IMAGECALLBACK)
1166 callbackSet |= TVIF_IMAGE;
1167 else
1168 callbackClear |= TVIF_IMAGE;
1169 }
1170
1171 if (tvItem->mask & TVIF_SELECTEDIMAGE)
1172 {
1173 wineItem->iSelectedImage = tvItem->iSelectedImage;
1174
1175 if (wineItem->iSelectedImage == I_IMAGECALLBACK)
1176 callbackSet |= TVIF_SELECTEDIMAGE;
1177 else
1178 callbackClear |= TVIF_SELECTEDIMAGE;
1179 }
1180
1181 if (tvItem->mask & TVIF_PARAM)
1182 wineItem->lParam = tvItem->lParam;
1183
1184 /* If the application sets TVIF_INTEGRAL without
1185 * supplying a TVITEMEX structure, it's toast. */
1186 if (tvItem->mask & TVIF_INTEGRAL)
1187 wineItem->iIntegral = tvItem->iIntegral;
1188
1189 if (tvItem->mask & TVIF_STATE)
1190 {
1191 TRACE("prevstate,state,mask:%x,%x,%x\n", wineItem->state, tvItem->state,
1192 tvItem->stateMask);
1193 wineItem->state &= ~tvItem->stateMask;
1194 wineItem->state |= (tvItem->state & tvItem->stateMask);
1195 }
1196
1197 wineItem->callbackMask |= callbackSet;
1198 wineItem->callbackMask &= ~callbackClear;
1199
1200 return TRUE;
1201 }
1202
1203 /* Note that the new item is pre-zeroed. */
1204 static LRESULT
1205 TREEVIEW_InsertItemT(TREEVIEW_INFO *infoPtr, const TVINSERTSTRUCTW *ptdi, BOOL isW)
1206 {
1207 const TVITEMEXW *tvItem = &ptdi->u.itemex;
1208 HTREEITEM insertAfter;
1209 TREEVIEW_ITEM *newItem, *parentItem;
1210 BOOL bTextUpdated = FALSE;
1211
1212 if (ptdi->hParent == TVI_ROOT || ptdi->hParent == 0)
1213 {
1214 parentItem = infoPtr->root;
1215 }
1216 else
1217 {
1218 parentItem = ptdi->hParent;
1219
1220 if (!TREEVIEW_ValidItem(infoPtr, parentItem))
1221 {
1222 WARN("invalid parent %p\n", parentItem);
1223 return 0;
1224 }
1225 }
1226
1227 insertAfter = ptdi->hInsertAfter;
1228
1229 /* Validate this now for convenience. */
1230 switch ((DWORD_PTR)insertAfter)
1231 {
1232 case (DWORD_PTR)TVI_FIRST:
1233 case (DWORD_PTR)TVI_LAST:
1234 case (DWORD_PTR)TVI_SORT:
1235 break;
1236
1237 default:
1238 if (!TREEVIEW_ValidItem(infoPtr, insertAfter) ||
1239 insertAfter->parent != parentItem)
1240 {
1241 WARN("invalid insert after %p\n", insertAfter);
1242 insertAfter = TVI_LAST;
1243 }
1244 }
1245
1246 TRACE("parent %p position %p: %s\n", parentItem, insertAfter,
1247 (tvItem->mask & TVIF_TEXT)
1248 ? ((tvItem->pszText == LPSTR_TEXTCALLBACKW) ? "<callback>"
1249 : (isW ? debugstr_w(tvItem->pszText) : debugstr_a((LPSTR)tvItem->pszText)))
1250 : "<no label>");
1251
1252 newItem = TREEVIEW_AllocateItem(infoPtr);
1253 if (newItem == NULL)
1254 return 0;
1255
1256 newItem->parent = parentItem;
1257 newItem->iIntegral = 1;
1258
1259 if (!TREEVIEW_DoSetItemT(infoPtr, newItem, tvItem, isW))
1260 return 0;
1261
1262 /* After this point, nothing can fail. (Except for TVI_SORT.) */
1263
1264 infoPtr->uNumItems++;
1265
1266 switch ((DWORD_PTR)insertAfter)
1267 {
1268 case (DWORD_PTR)TVI_FIRST:
1269 {
1270 TREEVIEW_ITEM *originalFirst = parentItem->firstChild;
1271 TREEVIEW_InsertBefore(newItem, parentItem->firstChild, parentItem);
1272 if (infoPtr->firstVisible == originalFirst)
1273 TREEVIEW_SetFirstVisible(infoPtr, newItem, TRUE);
1274 }
1275 break;
1276
1277 case (DWORD_PTR)TVI_LAST:
1278 TREEVIEW_InsertAfter(newItem, parentItem->lastChild, parentItem);
1279 break;
1280
1281 /* hInsertAfter names a specific item we want to insert after */
1282 default:
1283 TREEVIEW_InsertAfter(newItem, insertAfter, insertAfter->parent);
1284 break;
1285
1286 case (DWORD_PTR)TVI_SORT:
1287 {
1288 TREEVIEW_ITEM *aChild;
1289 TREEVIEW_ITEM *previousChild = NULL;
1290 TREEVIEW_ITEM *originalFirst = parentItem->firstChild;
1291 BOOL bItemInserted = FALSE;
1292
1293 aChild = parentItem->firstChild;
1294
1295 bTextUpdated = TRUE;
1296 TREEVIEW_UpdateDispInfo(infoPtr, newItem, TVIF_TEXT);
1297
1298 /* Iterate the parent children to see where we fit in */
1299 while (aChild != NULL)
1300 {
1301 INT comp;
1302
1303 TREEVIEW_UpdateDispInfo(infoPtr, aChild, TVIF_TEXT);
1304 comp = lstrcmpW(newItem->pszText, aChild->pszText);
1305
1306 if (comp < 0) /* we are smaller than the current one */
1307 {
1308 TREEVIEW_InsertBefore(newItem, aChild, parentItem);
1309 if (infoPtr->firstVisible == originalFirst &&
1310 aChild == originalFirst)
1311 TREEVIEW_SetFirstVisible(infoPtr, newItem, TRUE);
1312 bItemInserted = TRUE;
1313 break;
1314 }
1315 else if (comp > 0) /* we are bigger than the current one */
1316 {
1317 previousChild = aChild;
1318
1319 /* This will help us to exit if there is no more sibling */
1320 aChild = (aChild->nextSibling == 0)
1321 ? NULL
1322 : aChild->nextSibling;
1323
1324 /* Look at the next item */
1325 continue;
1326 }
1327 else if (comp == 0)
1328 {
1329 /*
1330 * An item with this name is already existing, therefore,
1331 * we add after the one we found
1332 */
1333 TREEVIEW_InsertAfter(newItem, aChild, parentItem);
1334 bItemInserted = TRUE;
1335 break;
1336 }
1337 }
1338
1339 /*
1340 * we reach the end of the child list and the item has not
1341 * yet been inserted, therefore, insert it after the last child.
1342 */
1343 if ((!bItemInserted) && (aChild == NULL))
1344 TREEVIEW_InsertAfter(newItem, previousChild, parentItem);
1345
1346 break;
1347 }
1348 }
1349
1350
1351 TRACE("new item %p; parent %p, mask %x\n", newItem,
1352 newItem->parent, tvItem->mask);
1353
1354 newItem->iLevel = newItem->parent->iLevel + 1;
1355
1356 if (newItem->parent->cChildren == 0)
1357 newItem->parent->cChildren = 1;
1358
1359 if (infoPtr->dwStyle & TVS_CHECKBOXES)
1360 {
1361 if (STATEIMAGEINDEX(newItem->state) == 0)
1362 newItem->state |= INDEXTOSTATEIMAGEMASK(1);
1363 }
1364
1365 if (infoPtr->firstVisible == NULL)
1366 infoPtr->firstVisible = newItem;
1367
1368 TREEVIEW_VerifyTree(infoPtr);
1369
1370 if (parentItem == infoPtr->root ||
1371 (ISVISIBLE(parentItem) && parentItem->state & TVIS_EXPANDED))
1372 {
1373 TREEVIEW_ITEM *item;
1374 TREEVIEW_ITEM *prev = TREEVIEW_GetPrevListItem(infoPtr, newItem);
1375
1376 TREEVIEW_RecalculateVisibleOrder(infoPtr, prev);
1377 TREEVIEW_ComputeItemInternalMetrics(infoPtr, newItem);
1378
1379 if (!bTextUpdated)
1380 TREEVIEW_UpdateDispInfo(infoPtr, newItem, TVIF_TEXT);
1381
1382 TREEVIEW_ComputeTextWidth(infoPtr, newItem, 0);
1383 TREEVIEW_UpdateScrollBars(infoPtr);
1384 /*
1385 * if the item was inserted in a visible part of the tree,
1386 * invalidate it, as well as those after it
1387 */
1388 for (item = newItem;
1389 item != NULL;
1390 item = TREEVIEW_GetNextListItem(infoPtr, item))
1391 TREEVIEW_Invalidate(infoPtr, item);
1392 }
1393 else
1394 {
1395 newItem->visibleOrder = -1;
1396
1397 /* refresh treeview if newItem is the first item inserted under parentItem */
1398 if (ISVISIBLE(parentItem) && newItem->prevSibling == newItem->nextSibling)
1399 {
1400 /* parent got '+' - update it */
1401 TREEVIEW_Invalidate(infoPtr, parentItem);
1402 }
1403 }
1404
1405 return (LRESULT)newItem;
1406 }
1407
1408 /* Item Deletion ************************************************************/
1409 static void
1410 TREEVIEW_RemoveItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem);
1411
1412 static void
1413 TREEVIEW_RemoveAllChildren(TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *parentItem)
1414 {
1415 TREEVIEW_ITEM *kill = parentItem->firstChild;
1416
1417 while (kill != NULL)
1418 {
1419 TREEVIEW_ITEM *next = kill->nextSibling;
1420
1421 TREEVIEW_RemoveItem(infoPtr, kill);
1422
1423 kill = next;
1424 }
1425
1426 assert(parentItem->cChildren <= 0); /* I_CHILDRENCALLBACK or 0 */
1427 assert(parentItem->firstChild == NULL);
1428 assert(parentItem->lastChild == NULL);
1429 }
1430
1431 static void
1432 TREEVIEW_UnlinkItem(const TREEVIEW_ITEM *item)
1433 {
1434 TREEVIEW_ITEM *parentItem = item->parent;
1435
1436 assert(item != NULL);
1437 assert(item->parent != NULL); /* i.e. it must not be the root */
1438
1439 if (parentItem->firstChild == item)
1440 parentItem->firstChild = item->nextSibling;
1441
1442 if (parentItem->lastChild == item)
1443 parentItem->lastChild = item->prevSibling;
1444
1445 if (parentItem->firstChild == NULL && parentItem->lastChild == NULL
1446 && parentItem->cChildren > 0)
1447 parentItem->cChildren = 0;
1448
1449 if (item->prevSibling)
1450 item->prevSibling->nextSibling = item->nextSibling;
1451
1452 if (item->nextSibling)
1453 item->nextSibling->prevSibling = item->prevSibling;
1454 }
1455
1456 static void
1457 TREEVIEW_RemoveItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
1458 {
1459 TRACE("%p, (%s)\n", wineItem, TREEVIEW_ItemName(wineItem));
1460
1461 TREEVIEW_SendTreeviewNotify(infoPtr, TVN_DELETEITEMW, TVC_UNKNOWN,
1462 TVIF_HANDLE | TVIF_PARAM, wineItem, 0);
1463
1464 if (wineItem->firstChild)
1465 TREEVIEW_RemoveAllChildren(infoPtr, wineItem);
1466
1467 TREEVIEW_UnlinkItem(wineItem);
1468
1469 infoPtr->uNumItems--;
1470
1471 if (wineItem->pszText != LPSTR_TEXTCALLBACKW)
1472 Free(wineItem->pszText);
1473
1474 TREEVIEW_FreeItem(infoPtr, wineItem);
1475 }
1476
1477
1478 /* Empty out the tree. */
1479 static void
1480 TREEVIEW_RemoveTree(TREEVIEW_INFO *infoPtr)
1481 {
1482 TREEVIEW_RemoveAllChildren(infoPtr, infoPtr->root);
1483
1484 assert(infoPtr->uNumItems == 0); /* root isn't counted in uNumItems */
1485 }
1486
1487 static LRESULT
1488 TREEVIEW_DeleteItem(TREEVIEW_INFO *infoPtr, HTREEITEM wineItem)
1489 {
1490 TREEVIEW_ITEM *newSelection = NULL;
1491 TREEVIEW_ITEM *newFirstVisible = NULL;
1492 TREEVIEW_ITEM *parent, *prev = NULL;
1493 BOOL visible = FALSE;
1494
1495 if (wineItem == TVI_ROOT)
1496 {
1497 TRACE("TVI_ROOT\n");
1498 parent = infoPtr->root;
1499 newSelection = NULL;
1500 visible = TRUE;
1501 TREEVIEW_RemoveTree(infoPtr);
1502 }
1503 else
1504 {
1505 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
1506 return FALSE;
1507
1508 TRACE("%p (%s)\n", wineItem, TREEVIEW_ItemName(wineItem));
1509 parent = wineItem->parent;
1510
1511 if (ISVISIBLE(wineItem))
1512 {
1513 prev = TREEVIEW_GetPrevListItem(infoPtr, wineItem);
1514 visible = TRUE;
1515 }
1516
1517 if (infoPtr->selectedItem != NULL
1518 && (wineItem == infoPtr->selectedItem
1519 || TREEVIEW_IsChildOf(wineItem, infoPtr->selectedItem)))
1520 {
1521 if (wineItem->nextSibling)
1522 newSelection = wineItem->nextSibling;
1523 else if (wineItem->parent != infoPtr->root)
1524 newSelection = wineItem->parent;
1525 else
1526 newSelection = wineItem->prevSibling;
1527 TRACE("newSelection = %p\n", newSelection);
1528 }
1529
1530 if (infoPtr->firstVisible == wineItem)
1531 {
1532 if (wineItem->nextSibling)
1533 newFirstVisible = wineItem->nextSibling;
1534 else if (wineItem->prevSibling)
1535 newFirstVisible = wineItem->prevSibling;
1536 else if (wineItem->parent != infoPtr->root)
1537 newFirstVisible = wineItem->parent;
1538 TREEVIEW_SetFirstVisible(infoPtr, NULL, TRUE);
1539 }
1540 else
1541 newFirstVisible = infoPtr->firstVisible;
1542
1543 TREEVIEW_RemoveItem(infoPtr, wineItem);
1544 }
1545
1546 /* Don't change if somebody else already has (infoPtr->selectedItem is cleared by FreeItem). */
1547 if (!infoPtr->selectedItem && newSelection)
1548 {
1549 if (TREEVIEW_ValidItem(infoPtr, newSelection))
1550 TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, newSelection, TVC_UNKNOWN);
1551 }
1552
1553 /* Validate insertMark dropItem.
1554 * hotItem ??? - used for comparison only.
1555 */
1556 if (!TREEVIEW_ValidItem(infoPtr, infoPtr->insertMarkItem))
1557 infoPtr->insertMarkItem = 0;
1558
1559 if (!TREEVIEW_ValidItem(infoPtr, infoPtr->dropItem))
1560 infoPtr->dropItem = 0;
1561
1562 if (!TREEVIEW_ValidItem(infoPtr, newFirstVisible))
1563 newFirstVisible = infoPtr->root->firstChild;
1564
1565 TREEVIEW_VerifyTree(infoPtr);
1566
1567
1568 if (visible)
1569 {
1570 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
1571 TREEVIEW_RecalculateVisibleOrder(infoPtr, prev);
1572 TREEVIEW_UpdateScrollBars(infoPtr);
1573 TREEVIEW_Invalidate(infoPtr, NULL);
1574 }
1575 else if (ISVISIBLE(parent) && !TREEVIEW_HasChildren(infoPtr, parent))
1576 {
1577 /* parent lost '+/-' - update it */
1578 TREEVIEW_Invalidate(infoPtr, parent);
1579 }
1580
1581 return TRUE;
1582 }
1583
1584
1585 /* Get/Set Messages *********************************************************/
1586 static LRESULT
1587 TREEVIEW_SetRedraw(TREEVIEW_INFO* infoPtr, WPARAM wParam)
1588 {
1589 if(wParam)
1590 infoPtr->bRedraw = TRUE;
1591 else
1592 infoPtr->bRedraw = FALSE;
1593
1594 return 0;
1595 }
1596
1597 static LRESULT
1598 TREEVIEW_GetIndent(const TREEVIEW_INFO *infoPtr)
1599 {
1600 TRACE("\n");
1601 return infoPtr->uIndent;
1602 }
1603
1604 static LRESULT
1605 TREEVIEW_SetIndent(TREEVIEW_INFO *infoPtr, UINT newIndent)
1606 {
1607 TRACE("\n");
1608
1609 if (newIndent < MINIMUM_INDENT)
1610 newIndent = MINIMUM_INDENT;
1611
1612 if (infoPtr->uIndent != newIndent)
1613 {
1614 infoPtr->uIndent = newIndent;
1615 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
1616 TREEVIEW_UpdateScrollBars(infoPtr);
1617 TREEVIEW_Invalidate(infoPtr, NULL);
1618 }
1619
1620 return 0;
1621 }
1622
1623
1624 static LRESULT
1625 TREEVIEW_GetToolTips(const TREEVIEW_INFO *infoPtr)
1626 {
1627 TRACE("\n");
1628 return (LRESULT)infoPtr->hwndToolTip;
1629 }
1630
1631 static LRESULT
1632 TREEVIEW_SetToolTips(TREEVIEW_INFO *infoPtr, HWND hwndTT)
1633 {
1634 HWND prevToolTip;
1635
1636 TRACE("\n");
1637 prevToolTip = infoPtr->hwndToolTip;
1638 infoPtr->hwndToolTip = hwndTT;
1639
1640 return (LRESULT)prevToolTip;
1641 }
1642
1643 static LRESULT
1644 TREEVIEW_SetUnicodeFormat(TREEVIEW_INFO *infoPtr, BOOL fUnicode)
1645 {
1646 BOOL rc = infoPtr->bNtfUnicode;
1647 infoPtr->bNtfUnicode = fUnicode;
1648 return rc;
1649 }
1650
1651 static LRESULT
1652 TREEVIEW_GetUnicodeFormat(const TREEVIEW_INFO *infoPtr)
1653 {
1654 return infoPtr->bNtfUnicode;
1655 }
1656
1657 static LRESULT
1658 TREEVIEW_GetScrollTime(const TREEVIEW_INFO *infoPtr)
1659 {
1660 return infoPtr->uScrollTime;
1661 }
1662
1663 static LRESULT
1664 TREEVIEW_SetScrollTime(TREEVIEW_INFO *infoPtr, UINT uScrollTime)
1665 {
1666 UINT uOldScrollTime = infoPtr->uScrollTime;
1667
1668 infoPtr->uScrollTime = min(uScrollTime, 100);
1669
1670 return uOldScrollTime;
1671 }
1672
1673
1674 static LRESULT
1675 TREEVIEW_GetImageList(const TREEVIEW_INFO *infoPtr, WPARAM wParam)
1676 {
1677 TRACE("\n");
1678
1679 switch (wParam)
1680 {
1681 case (WPARAM)TVSIL_NORMAL:
1682 return (LRESULT)infoPtr->himlNormal;
1683
1684 case (WPARAM)TVSIL_STATE:
1685 return (LRESULT)infoPtr->himlState;
1686
1687 default:
1688 return 0;
1689 }
1690 }
1691
1692 #define TVHEIGHT_MIN 16
1693 #define TVHEIGHT_FONT_ADJUST 3 /* 2 for focus border + 1 for margin some apps assume */
1694
1695 /* Compute the natural height for items. */
1696 static UINT
1697 TREEVIEW_NaturalHeight(const TREEVIEW_INFO *infoPtr)
1698 {
1699 TEXTMETRICW tm;
1700 HDC hdc = GetDC(0);
1701 HFONT hOldFont = SelectObject(hdc, infoPtr->hFont);
1702 UINT height;
1703
1704 /* Height is the maximum of:
1705 * 16 (a hack because our fonts are tiny), and
1706 * The text height + border & margin, and
1707 * The size of the normal image list
1708 */
1709 GetTextMetricsW(hdc, &tm);
1710 SelectObject(hdc, hOldFont);
1711 ReleaseDC(0, hdc);
1712
1713 height = TVHEIGHT_MIN;
1714 if (height < tm.tmHeight + tm.tmExternalLeading + TVHEIGHT_FONT_ADJUST)
1715 height = tm.tmHeight + tm.tmExternalLeading + TVHEIGHT_FONT_ADJUST;
1716 if (height < infoPtr->normalImageHeight)
1717 height = infoPtr->normalImageHeight;
1718
1719 /* Round down, unless we support odd ("non even") heights. */
1720 if (!(infoPtr->dwStyle & TVS_NONEVENHEIGHT))
1721 height &= ~1;
1722
1723 return height;
1724 }
1725
1726 static LRESULT
1727 TREEVIEW_SetImageList(TREEVIEW_INFO *infoPtr, WPARAM wParam, HIMAGELIST himlNew)
1728 {
1729 HIMAGELIST himlOld = 0;
1730 int oldWidth = infoPtr->normalImageWidth;
1731 int oldHeight = infoPtr->normalImageHeight;
1732
1733
1734 TRACE("%lx,%p\n", wParam, himlNew);
1735
1736 switch (wParam)
1737 {
1738 case (WPARAM)TVSIL_NORMAL:
1739 himlOld = infoPtr->himlNormal;
1740 infoPtr->himlNormal = himlNew;
1741
1742 if (himlNew != NULL)
1743 ImageList_GetIconSize(himlNew, &infoPtr->normalImageWidth,
1744 &infoPtr->normalImageHeight);
1745 else
1746 {
1747 infoPtr->normalImageWidth = 0;
1748 infoPtr->normalImageHeight = 0;
1749 }
1750
1751 break;
1752
1753 case (WPARAM)TVSIL_STATE:
1754 himlOld = infoPtr->himlState;
1755 infoPtr->himlState = himlNew;
1756
1757 if (himlNew != NULL)
1758 ImageList_GetIconSize(himlNew, &infoPtr->stateImageWidth,
1759 &infoPtr->stateImageHeight);
1760 else
1761 {
1762 infoPtr->stateImageWidth = 0;
1763 infoPtr->stateImageHeight = 0;
1764 }
1765
1766 break;
1767 }
1768
1769 if (oldWidth != infoPtr->normalImageWidth ||
1770 oldHeight != infoPtr->normalImageHeight)
1771 {
1772 BOOL bRecalcVisible = FALSE;
1773
1774 if (oldHeight != infoPtr->normalImageHeight &&
1775 !infoPtr->bHeightSet)
1776 {
1777 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
1778 bRecalcVisible = TRUE;
1779 }
1780
1781 if (infoPtr->normalImageWidth > MINIMUM_INDENT &&
1782 infoPtr->normalImageWidth != infoPtr->uIndent)
1783 {
1784 infoPtr->uIndent = infoPtr->normalImageWidth;
1785 bRecalcVisible = TRUE;
1786 }
1787
1788 if (bRecalcVisible)
1789 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
1790
1791 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
1792 TREEVIEW_UpdateScrollBars(infoPtr);
1793 }
1794
1795 TREEVIEW_Invalidate(infoPtr, NULL);
1796
1797 return (LRESULT)himlOld;
1798 }
1799
1800 static LRESULT
1801 TREEVIEW_SetItemHeight(TREEVIEW_INFO *infoPtr, INT newHeight)
1802 {
1803 INT prevHeight = infoPtr->uItemHeight;
1804
1805 TRACE("%d\n", newHeight);
1806 if (newHeight == -1)
1807 {
1808 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
1809 infoPtr->bHeightSet = FALSE;
1810 }
1811 else
1812 {
1813 infoPtr->uItemHeight = newHeight;
1814 infoPtr->bHeightSet = TRUE;
1815 }
1816
1817 /* Round down, unless we support odd ("non even") heights. */
1818 if (!(infoPtr->dwStyle & TVS_NONEVENHEIGHT))
1819 infoPtr->uItemHeight &= ~1;
1820
1821 if (infoPtr->uItemHeight != prevHeight)
1822 {
1823 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
1824 TREEVIEW_UpdateScrollBars(infoPtr);
1825 TREEVIEW_Invalidate(infoPtr, NULL);
1826 }
1827
1828 return prevHeight;
1829 }
1830
1831 static LRESULT
1832 TREEVIEW_GetItemHeight(const TREEVIEW_INFO *infoPtr)
1833 {
1834 TRACE("\n");
1835 return infoPtr->uItemHeight;
1836 }
1837
1838
1839 static LRESULT
1840 TREEVIEW_GetFont(const TREEVIEW_INFO *infoPtr)
1841 {
1842 TRACE("%p\n", infoPtr->hFont);
1843 return (LRESULT)infoPtr->hFont;
1844 }
1845
1846
1847 static INT CALLBACK
1848 TREEVIEW_ResetTextWidth(LPVOID pItem, LPVOID unused)
1849 {
1850 (void)unused;
1851
1852 ((TREEVIEW_ITEM *)pItem)->textWidth = 0;
1853
1854 return 1;
1855 }
1856
1857 static LRESULT
1858 TREEVIEW_SetFont(TREEVIEW_INFO *infoPtr, HFONT hFont, BOOL bRedraw)
1859 {
1860 UINT uHeight = infoPtr->uItemHeight;
1861
1862 TRACE("%p %i\n", hFont, bRedraw);
1863
1864 infoPtr->hFont = hFont ? hFont : infoPtr->hDefaultFont;
1865
1866 DeleteObject(infoPtr->hBoldFont);
1867 infoPtr->hBoldFont = TREEVIEW_CreateBoldFont(infoPtr->hFont);
1868 infoPtr->hUnderlineFont = TREEVIEW_CreateUnderlineFont(infoPtr->hFont);
1869
1870 if (!infoPtr->bHeightSet)
1871 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
1872
1873 if (uHeight != infoPtr->uItemHeight)
1874 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
1875
1876 DPA_EnumCallback(infoPtr->items, TREEVIEW_ResetTextWidth, 0);
1877
1878 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
1879 TREEVIEW_UpdateScrollBars(infoPtr);
1880
1881 if (bRedraw)
1882 TREEVIEW_Invalidate(infoPtr, NULL);
1883
1884 return 0;
1885 }
1886
1887
1888 static LRESULT
1889 TREEVIEW_GetLineColor(const TREEVIEW_INFO *infoPtr)
1890 {
1891 TRACE("\n");
1892 return (LRESULT)infoPtr->clrLine;
1893 }
1894
1895 static LRESULT
1896 TREEVIEW_SetLineColor(TREEVIEW_INFO *infoPtr, COLORREF color)
1897 {
1898 COLORREF prevColor = infoPtr->clrLine;
1899
1900 TRACE("\n");
1901 infoPtr->clrLine = color;
1902 return (LRESULT)prevColor;
1903 }
1904
1905
1906 static LRESULT
1907 TREEVIEW_GetTextColor(const TREEVIEW_INFO *infoPtr)
1908 {
1909 TRACE("\n");
1910 return (LRESULT)infoPtr->clrText;
1911 }
1912
1913 static LRESULT
1914 TREEVIEW_SetTextColor(TREEVIEW_INFO *infoPtr, COLORREF color)
1915 {
1916 COLORREF prevColor = infoPtr->clrText;
1917
1918 TRACE("\n");
1919 infoPtr->clrText = color;
1920
1921 if (infoPtr->clrText != prevColor)
1922 TREEVIEW_Invalidate(infoPtr, NULL);
1923
1924 return (LRESULT)prevColor;
1925 }
1926
1927
1928 static LRESULT
1929 TREEVIEW_GetBkColor(const TREEVIEW_INFO *infoPtr)
1930 {
1931 TRACE("\n");
1932 return (LRESULT)infoPtr->clrBk;
1933 }
1934
1935 static LRESULT
1936 TREEVIEW_SetBkColor(TREEVIEW_INFO *infoPtr, COLORREF newColor)
1937 {
1938 COLORREF prevColor = infoPtr->clrBk;
1939
1940 TRACE("\n");
1941 infoPtr->clrBk = newColor;
1942
1943 if (newColor != prevColor)
1944 TREEVIEW_Invalidate(infoPtr, NULL);
1945
1946 return (LRESULT)prevColor;
1947 }
1948
1949
1950 static LRESULT
1951 TREEVIEW_GetInsertMarkColor(const TREEVIEW_INFO *infoPtr)
1952 {
1953 TRACE("\n");
1954 return (LRESULT)infoPtr->clrInsertMark;
1955 }
1956
1957 static LRESULT
1958 TREEVIEW_SetInsertMarkColor(TREEVIEW_INFO *infoPtr, COLORREF color)
1959 {
1960 COLORREF prevColor = infoPtr->clrInsertMark;
1961
1962 TRACE("%x\n", color);
1963 infoPtr->clrInsertMark = color;
1964
1965 return (LRESULT)prevColor;
1966 }
1967
1968
1969 static LRESULT
1970 TREEVIEW_SetInsertMark(TREEVIEW_INFO *infoPtr, BOOL wParam, HTREEITEM item)
1971 {
1972 TRACE("%d %p\n", wParam, item);
1973
1974 if (!TREEVIEW_ValidItem(infoPtr, item))
1975 return 0;
1976
1977 infoPtr->insertBeforeorAfter = wParam;
1978 infoPtr->insertMarkItem = item;
1979
1980 TREEVIEW_Invalidate(infoPtr, NULL);
1981
1982 return 1;
1983 }
1984
1985
1986 /************************************************************************
1987 * Some serious braindamage here. lParam is a pointer to both the
1988 * input HTREEITEM and the output RECT.
1989 */
1990 static LRESULT
1991 TREEVIEW_GetItemRect(const TREEVIEW_INFO *infoPtr, BOOL fTextRect, LPRECT lpRect)
1992 {
1993 TREEVIEW_ITEM *wineItem;
1994 const HTREEITEM *pItem = (HTREEITEM *)lpRect;
1995
1996 TRACE("\n");
1997 /*
1998 * validate parameters
1999 */
2000 if (pItem == NULL)
2001 return FALSE;
2002
2003 wineItem = *pItem;
2004 if (!TREEVIEW_ValidItem(infoPtr, wineItem) || !ISVISIBLE(wineItem))
2005 return FALSE;
2006
2007 /*
2008 * If wParam is TRUE return the text size otherwise return
2009 * the whole item size
2010 */
2011 if (fTextRect)
2012 {
2013 /* Windows does not send TVN_GETDISPINFO here. */
2014
2015 lpRect->top = wineItem->rect.top;
2016 lpRect->bottom = wineItem->rect.bottom;
2017
2018 lpRect->left = wineItem->textOffset;
2019 if (!wineItem->textWidth)
2020 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, 0);
2021
2022 lpRect->right = wineItem->textOffset + wineItem->textWidth + 4;
2023 }
2024 else
2025 {
2026 *lpRect = wineItem->rect;
2027 }
2028
2029 TRACE("%s [%s]\n", fTextRect ? "text" : "item", wine_dbgstr_rect(lpRect));
2030
2031 return TRUE;
2032 }
2033
2034 static inline LRESULT
2035 TREEVIEW_GetVisibleCount(const TREEVIEW_INFO *infoPtr)
2036 {
2037 /* Surprise! This does not take integral height into account. */
2038 return infoPtr->clientHeight / infoPtr->uItemHeight;
2039 }
2040
2041
2042 static LRESULT
2043 TREEVIEW_GetItemT(const TREEVIEW_INFO *infoPtr, LPTVITEMEXW tvItem, BOOL isW)
2044 {
2045 TREEVIEW_ITEM *wineItem;
2046
2047 wineItem = tvItem->hItem;
2048 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
2049 return FALSE;
2050
2051 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, tvItem->mask);
2052
2053 if (tvItem->mask & TVIF_CHILDREN)
2054 {
2055 if (wineItem->cChildren==I_CHILDRENCALLBACK)
2056 FIXME("I_CHILDRENCALLBACK not supported\n");
2057 tvItem->cChildren = wineItem->cChildren;
2058 }
2059
2060 if (tvItem->mask & TVIF_HANDLE)
2061 tvItem->hItem = wineItem;
2062
2063 if (tvItem->mask & TVIF_IMAGE)
2064 tvItem->iImage = wineItem->iImage;
2065
2066 if (tvItem->mask & TVIF_INTEGRAL)
2067 tvItem->iIntegral = wineItem->iIntegral;
2068
2069 /* undocumented: windows ignores TVIF_PARAM and
2070 * * always sets lParam
2071 */
2072 tvItem->lParam = wineItem->lParam;
2073
2074 if (tvItem->mask & TVIF_SELECTEDIMAGE)
2075 tvItem->iSelectedImage = wineItem->iSelectedImage;
2076
2077 if (tvItem->mask & TVIF_STATE)
2078 /* Careful here - Windows ignores the stateMask when you get the state
2079 That contradicts the documentation, but makes more common sense, masking
2080 retrieval in this way seems overkill */
2081 tvItem->state = wineItem->state;
2082
2083 if (tvItem->mask & TVIF_TEXT)
2084 {
2085 if (wineItem->pszText == NULL)
2086 {
2087 if (tvItem->cchTextMax > 0)
2088 tvItem->pszText[0] = '\0';
2089 }
2090 else if (isW)
2091 {
2092 if (wineItem->pszText == LPSTR_TEXTCALLBACKW)
2093 {
2094 tvItem->pszText = LPSTR_TEXTCALLBACKW;
2095 FIXME(" GetItem called with LPSTR_TEXTCALLBACK\n");
2096 }
2097 else
2098 {
2099 lstrcpynW(tvItem->pszText, wineItem->pszText, tvItem->cchTextMax);
2100 }
2101 }
2102 else
2103 {
2104 if (wineItem->pszText == LPSTR_TEXTCALLBACKW)
2105 {
2106 tvItem->pszText = (LPWSTR)LPSTR_TEXTCALLBACKA;
2107 FIXME(" GetItem called with LPSTR_TEXTCALLBACK\n");
2108 }
2109 else
2110 {
2111 WideCharToMultiByte(CP_ACP, 0, wineItem->pszText, -1,
2112 (LPSTR)tvItem->pszText, tvItem->cchTextMax, NULL, NULL);
2113 }
2114 }
2115 }
2116 TRACE("item <%p>, txt %p, img %p, mask %x\n",
2117 wineItem, tvItem->pszText, &tvItem->iImage, tvItem->mask);
2118
2119 return TRUE;
2120 }
2121
2122 /* Beware MSDN Library Visual Studio 6.0. It says -1 on failure, 0 on success,
2123 * which is wrong. */
2124 static LRESULT
2125 TREEVIEW_SetItemT(TREEVIEW_INFO *infoPtr, const TVITEMEXW *tvItem, BOOL isW)
2126 {
2127 TREEVIEW_ITEM *wineItem;
2128 TREEVIEW_ITEM originalItem;
2129
2130 wineItem = tvItem->hItem;
2131
2132 TRACE("item %d,mask %x\n", TREEVIEW_GetItemIndex(infoPtr, wineItem),
2133 tvItem->mask);
2134
2135 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
2136 return FALSE;
2137
2138 /* store the original item values */
2139 originalItem = *wineItem;
2140
2141 if (!TREEVIEW_DoSetItemT(infoPtr, wineItem, tvItem, isW))
2142 return FALSE;
2143
2144 /* If the text or TVIS_BOLD was changed, and it is visible, recalculate. */
2145 if ((tvItem->mask & TVIF_TEXT
2146 || (tvItem->mask & TVIF_STATE && tvItem->stateMask & TVIS_BOLD))
2147 && ISVISIBLE(wineItem))
2148 {
2149 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, TVIF_TEXT);
2150 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, 0);
2151 }
2152
2153 if (tvItem->mask != 0 && ISVISIBLE(wineItem))
2154 {
2155 /* The refresh updates everything, but we can't wait until then. */
2156 TREEVIEW_ComputeItemInternalMetrics(infoPtr, wineItem);
2157
2158 /* if any of the item's values changed and it's not a callback, redraw the item */
2159 if (item_changed(&originalItem, wineItem, tvItem))
2160 {
2161 if (tvItem->mask & TVIF_INTEGRAL)
2162 {
2163 TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
2164 TREEVIEW_UpdateScrollBars(infoPtr);
2165
2166 TREEVIEW_Invalidate(infoPtr, NULL);
2167 }
2168 else
2169 {
2170 TREEVIEW_UpdateScrollBars(infoPtr);
2171 TREEVIEW_Invalidate(infoPtr, wineItem);
2172 }
2173 }
2174 }
2175
2176 return TRUE;
2177 }
2178
2179 static LRESULT
2180 TREEVIEW_GetItemState(const TREEVIEW_INFO *infoPtr, HTREEITEM wineItem, UINT mask)
2181 {
2182 TRACE("\n");
2183
2184 if (!wineItem || !TREEVIEW_ValidItem(infoPtr, wineItem))
2185 return 0;
2186
2187 return (wineItem->state & mask);
2188 }
2189
2190 static LRESULT
2191 TREEVIEW_GetNextItem(const TREEVIEW_INFO *infoPtr, UINT which, HTREEITEM wineItem)
2192 {
2193 TREEVIEW_ITEM *retval;
2194
2195 retval = 0;
2196
2197 /* handle all the global data here */
2198 switch (which)
2199 {
2200 case TVGN_CHILD: /* Special case: child of 0 is root */
2201 if (wineItem)
2202 break;
2203 /* fall through */
2204 case TVGN_ROOT:
2205 retval = infoPtr->root->firstChild;
2206 break;
2207
2208 case TVGN_CARET:
2209 retval = infoPtr->selectedItem;
2210 break;
2211
2212 case TVGN_FIRSTVISIBLE:
2213 retval = infoPtr->firstVisible;
2214 break;
2215
2216 case TVGN_DROPHILITE:
2217 retval = infoPtr->dropItem;
2218 break;
2219
2220 case TVGN_LASTVISIBLE:
2221 retval = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
2222 break;
2223 }
2224
2225 if (retval)
2226 {
2227 TRACE("flags:%x, returns %p\n", which, retval);
2228 return (LRESULT)retval;
2229 }
2230
2231 if (wineItem == TVI_ROOT) wineItem = infoPtr->root;
2232
2233 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
2234 return FALSE;
2235
2236 switch (which)
2237 {
2238 case TVGN_NEXT:
2239 retval = wineItem->nextSibling;
2240 break;
2241 case TVGN_PREVIOUS:
2242 retval = wineItem->prevSibling;
2243 break;
2244 case TVGN_PARENT:
2245 retval = (wineItem->parent != infoPtr->root) ? wineItem->parent : NULL;
2246 break;
2247 case TVGN_CHILD:
2248 retval = wineItem->firstChild;
2249 break;
2250 case TVGN_NEXTVISIBLE:
2251 retval = TREEVIEW_GetNextListItem(infoPtr, wineItem);
2252 break;
2253 case TVGN_PREVIOUSVISIBLE:
2254 retval = TREEVIEW_GetPrevListItem(infoPtr, wineItem);
2255 break;
2256 default:
2257 TRACE("Unknown msg %x,item %p\n", which, wineItem);
2258 break;
2259 }
2260
2261 TRACE("flags:%x, item %p;returns %p\n", which, wineItem, retval);
2262 return (LRESULT)retval;
2263 }
2264
2265
2266 static LRESULT
2267 TREEVIEW_GetCount(const TREEVIEW_INFO *infoPtr)
2268 {
2269 TRACE(" %d\n", infoPtr->uNumItems);
2270 return (LRESULT)infoPtr->uNumItems;
2271 }
2272
2273 static VOID
2274 TREEVIEW_ToggleItemState(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
2275 {
2276 if (infoPtr->dwStyle & TVS_CHECKBOXES)
2277 {
2278 static const unsigned int state_table[] = { 0, 2, 1 };
2279
2280 unsigned int state;
2281
2282 state = STATEIMAGEINDEX(item->state);
2283 TRACE("state:%x\n", state);
2284 item->state &= ~TVIS_STATEIMAGEMASK;
2285
2286 if (state < 3)
2287 state = state_table[state];
2288
2289 item->state |= INDEXTOSTATEIMAGEMASK(state);
2290
2291 TRACE("state:%x\n", state);
2292 TREEVIEW_Invalidate(infoPtr, item);
2293 }
2294 }
2295
2296
2297 /* Painting *************************************************************/
2298
2299 /* Draw the lines and expand button for an item. Also draws one section
2300 * of the line from item's parent to item's parent's next sibling. */
2301 static void
2302 TREEVIEW_DrawItemLines(const TREEVIEW_INFO *infoPtr, HDC hdc, const TREEVIEW_ITEM *item)
2303 {
2304 LONG centerx, centery;
2305 BOOL lar = ((infoPtr->dwStyle
2306 & (TVS_LINESATROOT|TVS_HASLINES|TVS_HASBUTTONS))
2307 > TVS_LINESATROOT);
2308 HBRUSH hbr, hbrOld;
2309
2310 if (!lar && item->iLevel == 0)
2311 return;
2312
2313 hbr = CreateSolidBrush(infoPtr->clrBk);
2314 hbrOld = SelectObject(hdc, hbr);
2315
2316 centerx = (item->linesOffset + item->stateOffset) / 2;
2317 centery = (item->rect.top + item->rect.bottom) / 2;
2318
2319 if (infoPtr->dwStyle & TVS_HASLINES)
2320 {
2321 HPEN hOldPen, hNewPen;
2322 HTREEITEM parent;
2323 LOGBRUSH lb;
2324
2325 /* Get a dotted grey pen */
2326 lb.lbStyle = BS_SOLID;
2327 lb.lbColor = infoPtr->clrLine;
2328 hNewPen = ExtCreatePen(PS_COSMETIC|PS_ALTERNATE, 1, &lb, 0, NULL);
2329 hOldPen = SelectObject(hdc, hNewPen);
2330
2331 /* Make sure the center is on a dot (using +2 instead
2332 * of +1 gives us pixel-by-pixel compat with native) */
2333 centery = (centery + 2) & ~1;
2334
2335 MoveToEx(hdc, item->stateOffset, centery, NULL);
2336 LineTo(hdc, centerx - 1, centery);
2337
2338 if (item->prevSibling || item->parent != infoPtr->root)
2339 {
2340 MoveToEx(hdc, centerx, item->rect.top, NULL);
2341 LineTo(hdc, centerx, centery);
2342 }
2343
2344 if (item->nextSibling)
2345 {
2346 MoveToEx(hdc, centerx, centery, NULL);
2347 LineTo(hdc, centerx, item->rect.bottom + 1);
2348 }
2349
2350 /* Draw the line from our parent to its next sibling. */
2351 parent = item->parent;
2352 while (parent != infoPtr->root)
2353 {
2354 int pcenterx = (parent->linesOffset + parent->stateOffset) / 2;
2355
2356 if (parent->nextSibling
2357 /* skip top-levels unless TVS_LINESATROOT */
2358 && parent->stateOffset > parent->linesOffset)
2359 {
2360 MoveToEx(hdc, pcenterx, item->rect.top, NULL);
2361 LineTo(hdc, pcenterx, item->rect.bottom + 1);
2362 }
2363
2364 parent = parent->parent;
2365 }
2366
2367 SelectObject(hdc, hOldPen);
2368 DeleteObject(hNewPen);
2369 }
2370
2371 /*
2372 * Display the (+/-) signs
2373 */
2374
2375 if (infoPtr->dwStyle & TVS_HASBUTTONS)
2376 {
2377 if (item->cChildren)
2378 {
2379 HTHEME theme = GetWindowTheme(infoPtr->hwnd);
2380 if (theme)
2381 {
2382 RECT glyphRect = item->rect;
2383 glyphRect.left = item->linesOffset;
2384 glyphRect.right = item->stateOffset;
2385 DrawThemeBackground (theme, hdc, TVP_GLYPH,
2386 (item->state & TVIS_EXPANDED) ? GLPS_OPENED : GLPS_CLOSED,
2387 &glyphRect, NULL);
2388 }
2389 else
2390 {
2391 LONG height = item->rect.bottom - item->rect.top;
2392 LONG width = item->stateOffset - item->linesOffset;
2393 LONG rectsize = min(height, width) / 4;
2394 /* plussize = ceil(rectsize * 3/4) */
2395 LONG plussize = (rectsize + 1) * 3 / 4;
2396
2397 HPEN hNewPen = CreatePen(PS_SOLID, 0, infoPtr->clrLine);
2398 HPEN hOldPen = SelectObject(hdc, hNewPen);
2399
2400 Rectangle(hdc, centerx - rectsize - 1, centery - rectsize - 1,
2401 centerx + rectsize + 2, centery + rectsize + 2);
2402
2403 SelectObject(hdc, hOldPen);
2404 DeleteObject(hNewPen);
2405
2406 if (height < 18 || width < 18)
2407 {
2408 MoveToEx(hdc, centerx - plussize + 1, centery, NULL);
2409 LineTo(hdc, centerx + plussize, centery);
2410
2411 if (!(item->state & TVIS_EXPANDED))
2412 {
2413 MoveToEx(hdc, centerx, centery - plussize + 1, NULL);
2414 LineTo(hdc, centerx, centery + plussize);
2415 }
2416 }
2417 else
2418 {
2419 Rectangle(hdc, centerx - plussize + 1, centery - 1,
2420 centerx + plussize, centery + 2);
2421
2422 if (!(item->state & TVIS_EXPANDED))
2423 {
2424 Rectangle(hdc, centerx - 1, centery - plussize + 1,
2425 centerx + 2, centery + plussize);
2426 SetPixel(hdc, centerx - 1, centery, infoPtr->clrBk);
2427 SetPixel(hdc, centerx + 1, centery, infoPtr->clrBk);
2428 }
2429 }
2430 }
2431 }
2432 }
2433 SelectObject(hdc, hbrOld);
2434 DeleteObject(hbr);
2435 }
2436
2437 static void
2438 TREEVIEW_DrawItem(const TREEVIEW_INFO *infoPtr, HDC hdc, TREEVIEW_ITEM *wineItem)
2439 {
2440 INT cditem;
2441 HFONT hOldFont;
2442 COLORREF oldTextColor, oldTextBkColor;
2443 int centery;
2444 BOOL inFocus = (GetFocus() == infoPtr->hwnd);
2445 NMTVCUSTOMDRAW nmcdhdr;
2446
2447 TREEVIEW_UpdateDispInfo(infoPtr, wineItem, CALLBACK_MASK_ALL);
2448
2449 /* - If item is drop target or it is selected and window is in focus -
2450 * use blue background (COLOR_HIGHLIGHT).
2451 * - If item is selected, window is not in focus, but it has style
2452 * TVS_SHOWSELALWAYS - use grey background (COLOR_BTNFACE)
2453 * - Otherwise - use background color
2454 */
2455 if ((wineItem->state & TVIS_DROPHILITED) || ((wineItem == infoPtr->focusedItem) && !(wineItem->state & TVIS_SELECTED)) ||
2456 ((wineItem->state & TVIS_SELECTED) && (!infoPtr->focusedItem) &&
2457 (inFocus || (infoPtr->dwStyle & TVS_SHOWSELALWAYS))))
2458 {
2459 if ((wineItem->state & TVIS_DROPHILITED) || inFocus)
2460 {
2461 nmcdhdr.clrTextBk = GetSysColor(COLOR_HIGHLIGHT);
2462 nmcdhdr.clrText = GetSysColor(COLOR_HIGHLIGHTTEXT);
2463 }
2464 else
2465 {
2466 nmcdhdr.clrTextBk = GetSysColor(COLOR_BTNFACE);
2467 if (infoPtr->clrText == -1)
2468 nmcdhdr.clrText = GetSysColor(COLOR_WINDOWTEXT);
2469 else
2470 nmcdhdr.clrText = infoPtr->clrText;
2471 }
2472 }
2473 else
2474 {
2475 nmcdhdr.clrTextBk = infoPtr->clrBk;
2476 if ((infoPtr->dwStyle & TVS_TRACKSELECT) && (wineItem == infoPtr->hotItem))
2477 nmcdhdr.clrText = comctl32_color.clrHighlight;
2478 else if (infoPtr->clrText == -1)
2479 nmcdhdr.clrText = GetSysColor(COLOR_WINDOWTEXT);
2480 else
2481 nmcdhdr.clrText = infoPtr->clrText;
2482 }
2483
2484 hOldFont = SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, wineItem));
2485
2486 /* The custom draw handler can query the text rectangle,
2487 * so get ready. */
2488 /* should already be known, set to 0 when changed */
2489 if (!wineItem->textWidth)
2490 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, hdc);
2491
2492 cditem = 0;
2493
2494 if (infoPtr->cdmode & CDRF_NOTIFYITEMDRAW)
2495 {
2496 cditem = TREEVIEW_SendCustomDrawItemNotify
2497 (infoPtr, hdc, wineItem, CDDS_ITEMPREPAINT, &nmcdhdr);
2498 TRACE("prepaint:cditem-app returns 0x%x\n", cditem);
2499
2500 if (cditem & CDRF_SKIPDEFAULT)
2501 {
2502 SelectObject(hdc, hOldFont);
2503 return;
2504 }
2505 }
2506
2507 if (cditem & CDRF_NEWFONT)
2508 TREEVIEW_ComputeTextWidth(infoPtr, wineItem, hdc);
2509
2510 TREEVIEW_DrawItemLines(infoPtr, hdc, wineItem);
2511
2512 /* Set colors. Custom draw handler can change these so we do this after it. */
2513 oldTextColor = SetTextColor(hdc, nmcdhdr.clrText);
2514 oldTextBkColor = SetBkColor(hdc, nmcdhdr.clrTextBk);
2515
2516 centery = (wineItem->rect.top + wineItem->rect.bottom) / 2;
2517
2518 /*
2519 * Display the images associated with this item
2520 */
2521 {
2522 INT imageIndex;
2523
2524 /* State images are displayed to the left of the Normal image
2525 * image number is in state; zero should be `display no image'.
2526 */
2527 imageIndex = STATEIMAGEINDEX(wineItem->state);
2528
2529 if (infoPtr->himlState && imageIndex)
2530 {
2531 ImageList_Draw(infoPtr->himlState, imageIndex, hdc,
2532 wineItem->stateOffset,
2533 centery - infoPtr->stateImageHeight / 2,
2534 ILD_NORMAL);
2535 }
2536
2537 /* Now, draw the normal image; can be either selected or
2538 * non-selected image.
2539 */
2540
2541 if ((wineItem->state & TVIS_SELECTED) && (wineItem->iSelectedImage >= 0))
2542 {
2543 /* The item is currently selected */
2544 imageIndex = wineItem->iSelectedImage;
2545 }
2546 else
2547 {
2548 /* The item is not selected */
2549 imageIndex = wineItem->iImage;
2550 }
2551
2552 if (infoPtr->himlNormal)
2553 {
2554 int ovlIdx = wineItem->state & TVIS_OVERLAYMASK;
2555
2556 ImageList_Draw(infoPtr->himlNormal, imageIndex, hdc,
2557 wineItem->imageOffset,
2558 centery - infoPtr->normalImageHeight / 2,
2559 ILD_NORMAL | ovlIdx);
2560 }
2561 }
2562
2563
2564 /*
2565 * Display the text associated with this item
2566 */
2567
2568 /* Don't paint item's text if it's being edited */
2569 if (!infoPtr->hwndEdit || (infoPtr->selectedItem != wineItem))
2570 {
2571 if (wineItem->pszText)
2572 {
2573 RECT rcText;
2574
2575 rcText.top = wineItem->rect.top;
2576 rcText.bottom = wineItem->rect.bottom;
2577 rcText.left = wineItem->textOffset;
2578 rcText.right = rcText.left + wineItem->textWidth + 4;
2579
2580 TRACE("drawing text %s at (%s)\n",
2581 debugstr_w(wineItem->pszText), wine_dbgstr_rect(&rcText));
2582
2583 /* Draw it */
2584 ExtTextOutW(hdc, rcText.left + 2, rcText.top + 1,
2585 ETO_CLIPPED | ETO_OPAQUE,
2586 &rcText,
2587 wineItem->pszText,
2588 lstrlenW(wineItem->pszText),
2589 NULL);
2590
2591 /* Draw the box around the selected item */
2592 if ((wineItem == infoPtr->selectedItem) && inFocus)
2593 {
2594 DrawFocusRect(hdc,&rcText);
2595 }
2596
2597 }
2598 }
2599
2600 /* Draw insertion mark if necessary */
2601
2602 if (infoPtr->insertMarkItem)
2603 TRACE("item:%d,mark:%p\n",
2604 TREEVIEW_GetItemIndex(infoPtr, wineItem),
2605 infoPtr->insertMarkItem);
2606
2607 if (wineItem == infoPtr->insertMarkItem)
2608 {
2609 HPEN hNewPen, hOldPen;
2610 int offset;
2611 int left, right;
2612
2613 hNewPen = CreatePen(PS_SOLID, 2, infoPtr->clrInsertMark);
2614 hOldPen = SelectObject(hdc, hNewPen);
2615
2616 if (infoPtr->insertBeforeorAfter)
2617 offset = wineItem->rect.bottom - 1;
2618 else
2619 offset = wineItem->rect.top + 1;
2620
2621 left = wineItem->textOffset - 2;
2622 right = wineItem->textOffset + wineItem->textWidth + 2;
2623
2624 MoveToEx(hdc, left, offset - 3, NULL);
2625 LineTo(hdc, left, offset + 4);
2626
2627 MoveToEx(hdc, left, offset, NULL);
2628 LineTo(hdc, right + 1, offset);
2629
2630 MoveToEx(hdc, right, offset + 3, NULL);
2631 LineTo(hdc, right, offset - 4);
2632
2633 SelectObject(hdc, hOldPen);
2634 DeleteObject(hNewPen);
2635 }
2636
2637 if (cditem & CDRF_NOTIFYPOSTPAINT)
2638 {
2639 cditem = TREEVIEW_SendCustomDrawItemNotify
2640 (infoPtr, hdc, wineItem, CDDS_ITEMPOSTPAINT, &nmcdhdr);
2641 TRACE("postpaint:cditem-app returns 0x%x\n", cditem);
2642 }
2643
2644 /* Restore the hdc state */
2645 SetTextColor(hdc, oldTextColor);
2646 SetBkColor(hdc, oldTextBkColor);
2647 SelectObject(hdc, hOldFont);
2648 }
2649
2650 /* Computes treeHeight and treeWidth and updates the scroll bars.
2651 */
2652 static void
2653 TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr)
2654 {
2655 TREEVIEW_ITEM *wineItem;
2656 HWND hwnd = infoPtr->hwnd;
2657 BOOL vert = FALSE;
2658 BOOL horz = FALSE;
2659 SCROLLINFO si;
2660 LONG scrollX = infoPtr->scrollX;
2661
2662 infoPtr->treeWidth = 0;
2663 infoPtr->treeHeight = 0;
2664
2665 /* We iterate through all visible items in order to get the tree height
2666 * and width */
2667 wineItem = infoPtr->root->firstChild;
2668
2669 while (wineItem != NULL)
2670 {
2671 if (ISVISIBLE(wineItem))
2672 {
2673 /* actually we draw text at textOffset + 2 */
2674 if (2+wineItem->textOffset+wineItem->textWidth > infoPtr->treeWidth)
2675 infoPtr->treeWidth = wineItem->textOffset+wineItem->textWidth+2;
2676
2677 /* This is scroll-adjusted, but we fix this below. */
2678 infoPtr->treeHeight = wineItem->rect.bottom;
2679 }
2680
2681 wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem);
2682 }
2683
2684 /* Fix the scroll adjusted treeHeight and treeWidth. */
2685 if (infoPtr->root->firstChild)
2686 infoPtr->treeHeight -= infoPtr->root->firstChild->rect.top;
2687
2688 infoPtr->treeWidth += infoPtr->scrollX;
2689
2690 if (infoPtr->dwStyle & TVS_NOSCROLL) return;
2691
2692 /* Adding one scroll bar may take up enough space that it forces us
2693 * to add the other as well. */
2694 if (infoPtr->treeHeight > infoPtr->clientHeight)
2695 {
2696 vert = TRUE;
2697
2698 if (infoPtr->treeWidth
2699 > infoPtr->clientWidth - GetSystemMetrics(SM_CXVSCROLL))
2700 horz = TRUE;
2701 }
2702 else if (infoPtr->treeWidth > infoPtr->clientWidth || infoPtr->scrollX > 0)
2703 horz = TRUE;
2704
2705 if (!vert && horz && infoPtr->treeHeight
2706 > infoPtr->clientHeight - GetSystemMetrics(SM_CYVSCROLL))
2707 vert = TRUE;
2708
2709 if (horz && (infoPtr->dwStyle & TVS_NOHSCROLL)) horz = FALSE;
2710
2711 si.cbSize = sizeof(SCROLLINFO);
2712 si.fMask = SIF_POS|SIF_RANGE|SIF_PAGE;
2713 si.nMin = 0;
2714
2715 if (vert)
2716 {
2717 si.nPage = TREEVIEW_GetVisibleCount(infoPtr);
2718 if ( si.nPage && NULL != infoPtr->firstVisible)
2719 {
2720 si.nPos = infoPtr->firstVisible->visibleOrder;
2721 si.nMax = infoPtr->maxVisibleOrder - 1;
2722
2723 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
2724
2725 if (!(infoPtr->uInternalStatus & TV_VSCROLL))
2726 ShowScrollBar(hwnd, SB_VERT, TRUE);
2727 infoPtr->uInternalStatus |= TV_VSCROLL;
2728 }
2729 else
2730 {
2731 if (infoPtr->uInternalStatus & TV_VSCROLL)
2732 ShowScrollBar(hwnd, SB_VERT, FALSE);
2733 infoPtr->uInternalStatus &= ~TV_VSCROLL;
2734 }
2735 }
2736 else
2737 {
2738 if (infoPtr->uInternalStatus & TV_VSCROLL)
2739 ShowScrollBar(hwnd, SB_VERT, FALSE);
2740 infoPtr->uInternalStatus &= ~TV_VSCROLL;
2741 }
2742
2743 if (horz)
2744 {
2745 si.nPage = infoPtr->clientWidth;
2746 si.nPos = infoPtr->scrollX;
2747 si.nMax = infoPtr->treeWidth - 1;
2748
2749 if (si.nPos > si.nMax - max( si.nPage-1, 0 ))
2750 {
2751 si.nPos = si.nMax - max( si.nPage-1, 0 );
2752 scrollX = si.nPos;
2753 }
2754
2755 if (!(infoPtr->uInternalStatus & TV_HSCROLL))
2756 ShowScrollBar(hwnd, SB_HORZ, TRUE);
2757 infoPtr->uInternalStatus |= TV_HSCROLL;
2758
2759 SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
2760 TREEVIEW_HScroll(infoPtr,
2761 MAKEWPARAM(SB_THUMBPOSITION, scrollX));
2762 }
2763 else
2764 {
2765 if (infoPtr->uInternalStatus & TV_HSCROLL)
2766 ShowScrollBar(hwnd, SB_HORZ, FALSE);
2767 infoPtr->uInternalStatus &= ~TV_HSCROLL;
2768
2769 scrollX = 0;
2770 if (infoPtr->scrollX != 0)
2771 {
2772 TREEVIEW_HScroll(infoPtr,
2773 MAKEWPARAM(SB_THUMBPOSITION, scrollX));
2774 }
2775 }
2776
2777 if (!horz)
2778 infoPtr->uInternalStatus &= ~TV_HSCROLL;
2779 }
2780
2781 /* CtrlSpy doesn't mention this, but CorelDRAW's object manager needs it. */
2782 static LRESULT
2783 TREEVIEW_EraseBackground(const TREEVIEW_INFO *infoPtr, HDC hDC)
2784 {
2785 HBRUSH hBrush = CreateSolidBrush(infoPtr->clrBk);
2786 RECT rect;
2787
2788 GetClientRect(infoPtr->hwnd, &rect);
2789 FillRect(hDC, &rect, hBrush);
2790 DeleteObject(hBrush);
2791
2792 return 1;
2793 }
2794
2795 static void
2796 TREEVIEW_Refresh(TREEVIEW_INFO *infoPtr, HDC hdc, const RECT *rc)
2797 {
2798 HWND hwnd = infoPtr->hwnd;
2799 RECT rect = *rc;
2800 TREEVIEW_ITEM *wineItem;
2801
2802 if (infoPtr->clientHeight == 0 || infoPtr->clientWidth == 0)
2803 {
2804 TRACE("empty window\n");
2805 return;
2806 }
2807
2808 infoPtr->cdmode = TREEVIEW_SendCustomDrawNotify(infoPtr, CDDS_PREPAINT,
2809 hdc, rect);
2810
2811 if (infoPtr->cdmode == CDRF_SKIPDEFAULT)
2812 {
2813 ReleaseDC(hwnd, hdc);
2814 return;
2815 }
2816
2817 for (wineItem = infoPtr->root->firstChild;
2818 wineItem != NULL;
2819 wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem))
2820 {
2821 if (ISVISIBLE(wineItem))
2822 {
2823 /* Avoid unneeded calculations */
2824 if (wineItem->rect.top > rect.bottom)
2825 break;
2826 if (wineItem->rect.bottom < rect.top)
2827 continue;
2828
2829 TREEVIEW_DrawItem(infoPtr, hdc, wineItem);
2830 }
2831 }
2832
2833 TREEVIEW_UpdateScrollBars(infoPtr);
2834
2835 if (infoPtr->cdmode & CDRF_NOTIFYPOSTPAINT)
2836 infoPtr->cdmode =
2837 TREEVIEW_SendCustomDrawNotify(infoPtr, CDDS_POSTPAINT, hdc, rect);
2838 }
2839
2840 static void
2841 TREEVIEW_Invalidate(const TREEVIEW_INFO *infoPtr, const TREEVIEW_ITEM *item)
2842 {
2843 if (item != NULL)
2844 InvalidateRect(infoPtr->hwnd, &item->rect, TRUE);
2845 else
2846 InvalidateRect(infoPtr->hwnd, NULL, TRUE);
2847 }
2848
2849 static LRESULT
2850 TREEVIEW_Paint(TREEVIEW_INFO *infoPtr, WPARAM wParam)
2851 {
2852 HDC hdc;
2853 PAINTSTRUCT ps;
2854 RECT rc;
2855
2856 TRACE("\n");
2857
2858 if (wParam)
2859 {
2860 hdc = (HDC)wParam;
2861 GetClientRect(infoPtr->hwnd, &rc);
2862 TREEVIEW_EraseBackground(infoPtr, hdc);
2863 }
2864 else
2865 {
2866 hdc = BeginPaint(infoPtr->hwnd, &ps);
2867 rc = ps.rcPaint;
2868 }
2869
2870 if(infoPtr->bRedraw) /* WM_SETREDRAW sets bRedraw */
2871 TREEVIEW_Refresh(infoPtr, hdc, &rc);
2872
2873 if (!wParam)
2874 EndPaint(infoPtr->hwnd, &ps);
2875
2876 return 0;
2877 }
2878
2879
2880 /* Sorting **************************************************************/
2881
2882 /***************************************************************************
2883 * Forward the DPA local callback to the treeview owner callback
2884 */
2885 static INT WINAPI
2886 TREEVIEW_CallBackCompare(const TREEVIEW_ITEM *first, const TREEVIEW_ITEM *second,
2887 const TVSORTCB *pCallBackSort)
2888 {
2889 /* Forward the call to the client-defined callback */
2890 return pCallBackSort->lpfnCompare(first->lParam,
2891 second->lParam,
2892 pCallBackSort->lParam);
2893 }
2894
2895 /***************************************************************************
2896 * Treeview native sort routine: sort on item text.
2897 */
2898 static INT WINAPI
2899 TREEVIEW_SortOnName(TREEVIEW_ITEM *first, TREEVIEW_ITEM *second,
2900 const TREEVIEW_INFO *infoPtr)
2901 {
2902 TREEVIEW_UpdateDispInfo(infoPtr, first, TVIF_TEXT);
2903 TREEVIEW_UpdateDispInfo(infoPtr, second, TVIF_TEXT);
2904
2905 if(first->pszText && second->pszText)
2906 return lstrcmpiW(first->pszText, second->pszText);
2907 else if(first->pszText)
2908 return -1;
2909 else if(second->pszText)
2910 return 1;
2911 else
2912 return 0;
2913 }
2914
2915 /* Returns the number of physical children belonging to item. */
2916 static INT
2917 TREEVIEW_CountChildren(const TREEVIEW_ITEM *item)
2918 {
2919 INT cChildren = 0;
2920 HTREEITEM hti;
2921
2922 for (hti = item->firstChild; hti != NULL; hti = hti->nextSibling)
2923 cChildren++;
2924
2925 return cChildren;
2926 }
2927
2928 /* Returns a DPA containing a pointer to each physical child of item in
2929 * sibling order. If item has no children, an empty DPA is returned. */
2930 static HDPA
2931 TREEVIEW_BuildChildDPA(const TREEVIEW_ITEM *item)
2932 {
2933 HTREEITEM child = item->firstChild;
2934
2935 HDPA list = DPA_Create(8);
2936 if (list == 0) return NULL;
2937
2938 for (child = item->firstChild; child != NULL; child = child->nextSibling)
2939 {
2940 if (DPA_InsertPtr(list, INT_MAX, child) == -1)
2941 {
2942 DPA_Destroy(list);
2943 return NULL;
2944 }
2945 }
2946
2947 return list;
2948 }
2949
2950 /***************************************************************************
2951 * Setup the treeview structure with regards of the sort method
2952 * and sort the children of the TV item specified in lParam
2953 * fRecurse: currently unused. Should be zero.
2954 * parent: if pSort!=NULL, should equal pSort->hParent.
2955 * otherwise, item which child items are to be sorted.
2956 * pSort: sort method info. if NULL, sort on item text.
2957 * if non-NULL, sort on item's lParam content, and let the
2958 * application decide what that means. See also TVM_SORTCHILDRENCB.
2959 */
2960
2961 static LRESULT
2962 TREEVIEW_Sort(TREEVIEW_INFO *infoPtr, HTREEITEM parent,
2963 LPTVSORTCB pSort)
2964 {
2965 INT cChildren;
2966 PFNDPACOMPARE pfnCompare;
2967 LPARAM lpCompare;
2968
2969 /* undocumented feature: TVI_ROOT or NULL means `sort the whole tree' */
2970 if (parent == TVI_ROOT || parent == NULL)
2971 parent = infoPtr->root;
2972
2973 /* Check for a valid handle to the parent item */
2974 if (!TREEVIEW_ValidItem(infoPtr, parent))
2975 {
2976 ERR("invalid item hParent=%p\n", parent);
2977 return FALSE;
2978 }
2979
2980 if (pSort)
2981 {
2982 pfnCompare = (PFNDPACOMPARE)TREEVIEW_CallBackCompare;
2983 lpCompare = (LPARAM)pSort;
2984 }
2985 else
2986 {
2987 pfnCompare = (PFNDPACOMPARE)TREEVIEW_SortOnName;
2988 lpCompare = (LPARAM)infoPtr;
2989 }
2990
2991 cChildren = TREEVIEW_CountChildren(parent);
2992
2993 /* Make sure there is something to sort */
2994 if (cChildren > 1)
2995 {
2996 /* TREEVIEW_ITEM rechaining */
2997 INT count = 0;
2998 HTREEITEM item = 0;
2999 HTREEITEM nextItem = 0;
3000 HTREEITEM prevItem = 0;
3001
3002 HDPA sortList = TREEVIEW_BuildChildDPA(parent);
3003
3004 if (sortList == NULL)
3005 return FALSE;
3006
3007 /* let DPA sort the list */
3008 DPA_Sort(sortList, pfnCompare, lpCompare);
3009
3010 /* The order of DPA entries has been changed, so fixup the
3011 * nextSibling and prevSibling pointers. */
3012
3013 item = DPA_GetPtr(sortList, count++);
3014 while ((nextItem = DPA_GetPtr(sortList, count++)) != NULL)
3015 {
3016 /* link the two current item together */
3017 item->nextSibling = nextItem;
3018 nextItem->prevSibling = item;
3019
3020 if (prevItem == NULL)
3021 {
3022 /* this is the first item, update the parent */
3023 parent->firstChild = item;
3024 item->prevSibling = NULL;
3025 }
3026 else
3027 {
3028 /* fix the back chaining */
3029 item->prevSibling = prevItem;
3030 }
3031
3032 /* get ready for the next one */
3033 prevItem = item;
3034 item = nextItem;
3035 }
3036
3037 /* the last item is pointed to by item and never has a sibling */
3038 item->nextSibling = NULL;
3039 parent->lastChild = item;
3040
3041 DPA_Destroy(sortList);
3042
3043 TREEVIEW_VerifyTree(infoPtr);
3044
3045 if (parent->state & TVIS_EXPANDED)
3046 {
3047 int visOrder = infoPtr->firstVisible->visibleOrder;
3048
3049 if (parent == infoPtr->root)
3050 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
3051 else
3052 TREEVIEW_RecalculateVisibleOrder(infoPtr, parent);
3053
3054 if (TREEVIEW_IsChildOf(parent, infoPtr->firstVisible))
3055 {
3056 TREEVIEW_ITEM *item;
3057
3058 for (item = infoPtr->root->firstChild; item != NULL;
3059 item = TREEVIEW_GetNextListItem(infoPtr, item))
3060 {
3061 if (item->visibleOrder == visOrder)
3062 break;
3063 }
3064
3065 if (!item) item = parent->firstChild;
3066 TREEVIEW_SetFirstVisible(infoPtr, item, FALSE);
3067 }
3068
3069 TREEVIEW_Invalidate(infoPtr, NULL);
3070 }
3071
3072 return TRUE;
3073 }
3074 return FALSE;
3075 }
3076
3077
3078 /***************************************************************************
3079 * Setup the treeview structure with regards of the sort method
3080 * and sort the children of the TV item specified in lParam
3081 */
3082 static LRESULT
3083 TREEVIEW_SortChildrenCB(TREEVIEW_INFO *infoPtr, LPTVSORTCB pSort)
3084 {
3085 return TREEVIEW_Sort(infoPtr, pSort->hParent, pSort);
3086 }
3087
3088
3089 /***************************************************************************
3090 * Sort the children of the TV item specified in lParam.
3091 */
3092 static LRESULT
3093 TREEVIEW_SortChildren(TREEVIEW_INFO *infoPtr, LPARAM lParam)
3094 {
3095 return TREEVIEW_Sort(infoPtr, (HTREEITEM)lParam, NULL);
3096 }
3097
3098
3099 /* Expansion/Collapse ***************************************************/
3100
3101 static BOOL
3102 TREEVIEW_SendExpanding(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3103 UINT action)
3104 {
3105 return !TREEVIEW_SendTreeviewNotify(infoPtr, TVN_ITEMEXPANDINGW, action,
3106 TVIF_HANDLE | TVIF_STATE | TVIF_PARAM
3107 | TVIF_IMAGE | TVIF_SELECTEDIMAGE,
3108 0, wineItem);
3109 }
3110
3111 static VOID
3112 TREEVIEW_SendExpanded(const TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3113 UINT action)
3114 {
3115 TREEVIEW_SendTreeviewNotify(infoPtr, TVN_ITEMEXPANDEDW, action,
3116 TVIF_HANDLE | TVIF_STATE | TVIF_PARAM
3117 | TVIF_IMAGE | TVIF_SELECTEDIMAGE,
3118 0, wineItem);
3119 }
3120
3121
3122 /* This corresponds to TVM_EXPAND with TVE_COLLAPSE.
3123 * bRemoveChildren corresponds to TVE_COLLAPSERESET. */
3124 static BOOL
3125 TREEVIEW_Collapse(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3126 BOOL bRemoveChildren, BOOL bUser)
3127 {
3128 UINT action = TVE_COLLAPSE | (bRemoveChildren ? TVE_COLLAPSERESET : 0);
3129 BOOL bSetSelection, bSetFirstVisible;
3130 RECT scrollRect;
3131 LONG scrollDist = 0;
3132 TREEVIEW_ITEM *nextItem = NULL, *tmpItem;
3133
3134 TRACE("TVE_COLLAPSE %p %s\n", wineItem, TREEVIEW_ItemName(wineItem));
3135
3136 if (!(wineItem->state & TVIS_EXPANDED))
3137 return FALSE;
3138
3139 if (bUser || !(wineItem->state & TVIS_EXPANDEDONCE))
3140 TREEVIEW_SendExpanding(infoPtr, wineItem, action);
3141
3142 if (wineItem->firstChild == NULL)
3143 return FALSE;
3144
3145 wineItem->state &= ~TVIS_EXPANDED;
3146
3147 if (bUser || !(wineItem->state & TVIS_EXPANDEDONCE))
3148 TREEVIEW_SendExpanded(infoPtr, wineItem, action);
3149
3150 bSetSelection = (infoPtr->selectedItem != NULL
3151 && TREEVIEW_IsChildOf(wineItem, infoPtr->selectedItem));
3152
3153 bSetFirstVisible = (infoPtr->firstVisible != NULL
3154 && TREEVIEW_IsChildOf(wineItem, infoPtr->firstVisible));
3155
3156 tmpItem = wineItem;
3157 while (tmpItem)
3158 {
3159 if (tmpItem->nextSibling)
3160 {
3161 nextItem = tmpItem->nextSibling;
3162 break;
3163 }
3164 tmpItem = tmpItem->parent;
3165 }
3166
3167 if (nextItem)
3168 scrollDist = nextItem->rect.top;
3169
3170 if (bRemoveChildren)
3171 {
3172 INT old_cChildren = wineItem->cChildren;
3173 TRACE("TVE_COLLAPSERESET\n");
3174 wineItem->state &= ~TVIS_EXPANDEDONCE;
3175 TREEVIEW_RemoveAllChildren(infoPtr, wineItem);
3176 wineItem->cChildren = old_cChildren;
3177 }
3178
3179 if (wineItem->firstChild)
3180 {
3181 TREEVIEW_ITEM *item, *sibling;
3182
3183 sibling = TREEVIEW_GetNextListItem(infoPtr, wineItem);
3184
3185 for (item = wineItem->firstChild; item != sibling;
3186 item = TREEVIEW_GetNextListItem(infoPtr, item))
3187 {
3188 item->visibleOrder = -1;
3189 }
3190 }
3191
3192 TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
3193
3194 if (nextItem)
3195 scrollDist = -(scrollDist - nextItem->rect.top);
3196
3197 if (bSetSelection)
3198 {
3199 /* Don't call DoSelectItem, it sends notifications. */
3200 if (TREEVIEW_ValidItem(infoPtr, infoPtr->selectedItem))
3201 infoPtr->selectedItem->state &= ~TVIS_SELECTED;
3202 wineItem->state |= TVIS_SELECTED;
3203 infoPtr->selectedItem = wineItem;
3204 }
3205
3206 TREEVIEW_UpdateScrollBars(infoPtr);
3207
3208 scrollRect.left = 0;
3209 scrollRect.right = infoPtr->clientWidth;
3210 scrollRect.bottom = infoPtr->clientHeight;
3211
3212 if (nextItem)
3213 {
3214 scrollRect.top = nextItem->rect.top;
3215
3216 ScrollWindowEx (infoPtr->hwnd, 0, scrollDist, &scrollRect, &scrollRect,
3217 NULL, NULL, SW_ERASE | SW_INVALIDATE);
3218 TREEVIEW_Invalidate(infoPtr, wineItem);
3219 } else {
3220 scrollRect.top = wineItem->rect.top;
3221 InvalidateRect(infoPtr->hwnd, &scrollRect, TRUE);
3222 }
3223
3224 TREEVIEW_SetFirstVisible(infoPtr,
3225 bSetFirstVisible ? wineItem : infoPtr->firstVisible,
3226 TRUE);
3227
3228 return TRUE;
3229 }
3230
3231 static BOOL
3232 TREEVIEW_Expand(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
3233 BOOL bExpandPartial, BOOL bUser)
3234 {
3235 LONG scrollDist;
3236 LONG orgNextTop = 0;
3237 RECT scrollRect;
3238 TREEVIEW_ITEM *nextItem, *tmpItem;
3239
3240 TRACE("\n");
3241
3242 if (wineItem->state & TVIS_EXPANDED)
3243 return TRUE;
3244
3245 tmpItem = wineItem; nextItem = NULL;
3246 while (tmpItem)
3247 {
3248 if (tmpItem->nextSibling)
3249 {
3250 nextItem = tmpItem->nextSibling;
3251 break;
3252 }
3253 tmpItem = tmpItem->parent;
3254 }
3255
3256 if (nextItem)
3257 orgNextTop = nextItem->rect.top;
3258
3259 TRACE("TVE_EXPAND %p %s\n", wineItem, TREEVIEW_ItemName(wineItem));
3260
3261 if (bUser || ((wineItem->cChildren != 0) &&
3262 !(wineItem->state & TVIS_EXPANDEDONCE)))
3263 {
3264 if (!TREEVIEW_SendExpanding(infoPtr, wineItem, TVE_EXPAND))
3265 {
3266 TRACE(" TVN_ITEMEXPANDING returned TRUE, exiting...\n");
3267 return FALSE;
3268 }
3269
3270 if (!wineItem->firstChild)
3271 return FALSE;
3272
3273 wineItem->state |= TVIS_EXPANDED;
3274 TREEVIEW_SendExpanded(infoPtr, wineItem, TVE_EXPAND);
3275 wineItem->state |= TVIS_EXPANDEDONCE;
3276 }
3277 else
3278 {
3279 if (!wineItem->firstChild)
3280 return FALSE;
3281
3282 /* this item has already been expanded */
3283 wineItem->state |= TVIS_EXPANDED;
3284 }
3285
3286 if (bExpandPartial)
3287 FIXME("TVE_EXPANDPARTIAL not implemented\n");
3288
3289 TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
3290 TREEVIEW_UpdateSubTree(infoPtr, wineItem);
3291 TREEVIEW_UpdateScrollBars(infoPtr);
3292
3293 scrollRect.left = 0;
3294 scrollRect.bottom = infoPtr->treeHeight;
3295 scrollRect.right = infoPtr->clientWidth;
3296 if (nextItem)
3297 {
3298 scrollDist = nextItem->rect.top - orgNextTop;
3299 scrollRect.top = orgNextTop;
3300
3301 ScrollWindowEx (infoPtr->hwnd, 0, scrollDist, &scrollRect, NULL,
3302 NULL, NULL, SW_ERASE | SW_INVALIDATE);
3303 TREEVIEW_Invalidate (infoPtr, wineItem);
3304 } else {
3305 scrollRect.top = wineItem->rect.top;
3306 InvalidateRect(infoPtr->hwnd, &scrollRect, FALSE);
3307 }
3308
3309 /* Scroll up so that as many children as possible are visible.
3310 * This fails when expanding causes an HScroll bar to appear, but we
3311 * don't know that yet, so the last item is obscured. */
3312 if (wineItem->firstChild != NULL)
3313 {
3314 int nChildren = wineItem->lastChild->visibleOrder
3315 - wineItem->firstChild->visibleOrder + 1;
3316
3317 int visible_pos = wineItem->visibleOrder
3318 - infoPtr->firstVisible->visibleOrder;
3319
3320 int rows_below = TREEVIEW_GetVisibleCount(infoPtr) - visible_pos - 1;
3321
3322 if (visible_pos > 0 && nChildren > rows_below)
3323 {
3324 int scroll = nChildren - rows_below;
3325
3326 if (scroll > visible_pos)
3327 scroll = visible_pos;
3328
3329 if (scroll > 0)
3330 {
3331 TREEVIEW_ITEM *newFirstVisible
3332 = TREEVIEW_GetListItem(infoPtr, infoPtr->firstVisible,
3333 scroll);
3334
3335
3336 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
3337 }
3338 }
3339 }
3340
3341 return TRUE;
3342 }
3343
3344 static BOOL
3345 TREEVIEW_Toggle(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem, BOOL bUser)
3346 {
3347 TRACE("\n");
3348
3349 if (wineItem->state & TVIS_EXPANDED)
3350 return TREEVIEW_Collapse(infoPtr, wineItem, FALSE, bUser);
3351 else
3352 return TREEVIEW_Expand(infoPtr, wineItem, FALSE, bUser);
3353 }
3354
3355 static VOID
3356 TREEVIEW_ExpandAll(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
3357 {
3358 TREEVIEW_Expand(infoPtr, item, FALSE, TRUE);
3359
3360 for (item = item->firstChild; item != NULL; item = item->nextSibling)
3361 {
3362 if (TREEVIEW_HasChildren(infoPtr, item))
3363 TREEVIEW_ExpandAll(infoPtr, item);
3364 }
3365 }
3366
3367 /* Note:If the specified item is the child of a collapsed parent item,
3368 the parent's list of child items is (recursively) expanded to reveal the
3369 specified item. This is mentioned for TREEVIEW_SelectItem; don't
3370 know if it also applies here.
3371 */
3372
3373 static LRESULT
3374 TREEVIEW_ExpandMsg(TREEVIEW_INFO *infoPtr, UINT flag, HTREEITEM wineItem)
3375 {
3376 if (!TREEVIEW_ValidItem(infoPtr, wineItem))
3377 return 0;
3378
3379 TRACE("For (%s) item:%d, flags %x, state:%d\n",
3380 TREEVIEW_ItemName(wineItem), flag,
3381 TREEVIEW_GetItemIndex(infoPtr, wineItem), wineItem->state);
3382
3383 switch (flag & TVE_TOGGLE)
3384 {
3385 case TVE_COLLAPSE:
3386 return TREEVIEW_Collapse(infoPtr, wineItem, flag & TVE_COLLAPSERESET,
3387 FALSE);
3388
3389 case TVE_EXPAND:
3390 return TREEVIEW_Expand(infoPtr, wineItem, flag & TVE_EXPANDPARTIAL,
3391 FALSE);
3392
3393 case TVE_TOGGLE:
3394 return TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
3395
3396 default:
3397 return 0;
3398 }
3399
3400 #if 0
3401 TRACE("Exiting, Item %p state is now %d...\n", wineItem, wineItem->state);
3402 #endif
3403 }
3404
3405 /* Hit-Testing **********************************************************/
3406
3407 static TREEVIEW_ITEM *
3408 TREEVIEW_HitTestPoint(const TREEVIEW_INFO *infoPtr, POINT pt)
3409 {
3410 TREEVIEW_ITEM *wineItem;
3411 LONG row;
3412
3413 if (!infoPtr->firstVisible)
3414 return NULL;
3415
3416 row = pt.y / infoPtr->uItemHeight + infoPtr->firstVisible->visibleOrder;
3417
3418 for (wineItem = infoPtr->firstVisible; wineItem != NULL;
3419 wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem))
3420 {
3421 if (row >= wineItem->visibleOrder
3422 && row < wineItem->visibleOrder + wineItem->iIntegral)
3423 break;
3424 }
3425
3426 return wineItem;
3427 }
3428
3429 static LRESULT
3430 TREEVIEW_HitTest(const TREEVIEW_INFO *infoPtr, LPTVHITTESTINFO lpht)
3431 {
3432 TREEVIEW_ITEM *wineItem;
3433 RECT rect;
3434 UINT status;
3435 LONG x, y;
3436
3437 lpht->hItem = 0;
3438 GetClientRect(infoPtr->hwnd, &rect);
3439 status = 0;
3440 x = lpht->pt.x;
3441 y = lpht->pt.y;
3442
3443 if (x < rect.left)
3444 {
3445 status |= TVHT_TOLEFT;
3446 }
3447 else if (x > rect.right)
3448 {
3449 status |= TVHT_TORIGHT;
3450 }
3451
3452 if (y < rect.top)
3453 {
3454 status |= TVHT_ABOVE;
3455 }
3456 else if (y > rect.bottom)
3457 {
3458 status |= TVHT_BELOW;
3459 }
3460
3461 if (status)
3462 {
3463 lpht->flags = status;
3464 return 0;
3465 }
3466
3467 wineItem = TREEVIEW_HitTestPoint(infoPtr, lpht->pt);
3468 if (!wineItem)
3469 {
3470 lpht->flags = TVHT_NOWHERE;
3471 return 0;
3472 }
3473
3474 if (x >= wineItem->textOffset + wineItem->textWidth)
3475 {
3476 lpht->flags = TVHT_ONITEMRIGHT;
3477 }
3478 else if (x >= wineItem->textOffset)
3479 {
3480 lpht->flags = TVHT_ONITEMLABEL;
3481 }
3482 else if (x >= wineItem->imageOffset)
3483 {
3484 lpht->flags = TVHT_ONITEMICON;
3485 }
3486 else if (x >= wineItem->stateOffset)
3487 {
3488 lpht->flags = TVHT_ONITEMSTATEICON;
3489 }
3490 else if (x >= wineItem->linesOffset && infoPtr->dwStyle & TVS_HASBUTTONS)
3491 {
3492 lpht->flags = TVHT_ONITEMBUTTON;
3493 }
3494 else
3495 {
3496 lpht->flags = TVHT_ONITEMINDENT;
3497 }
3498
3499 lpht->hItem = wineItem;
3500 TRACE("(%d,%d):result %x\n", lpht->pt.x, lpht->pt.y, lpht->flags);
3501
3502 return (LRESULT)wineItem;
3503 }
3504
3505 /* Item Label Editing ***************************************************/
3506
3507 static LRESULT
3508 TREEVIEW_GetEditControl(const TREEVIEW_INFO *infoPtr)
3509 {
3510 return (LRESULT)infoPtr->hwndEdit;
3511 }
3512
3513 static LRESULT CALLBACK
3514 TREEVIEW_Edit_SubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
3515 {
3516 TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(GetParent(hwnd));
3517 BOOL bCancel = FALSE;
3518 LRESULT rc;
3519
3520 switch (uMsg)
3521 {
3522 case WM_PAINT:
3523 TRACE("WM_PAINT start\n");
3524 rc = CallWindowProcW(infoPtr->wpEditOrig, hwnd, uMsg, wParam,
3525 lParam);
3526 TRACE("WM_PAINT done\n");
3527 return rc;
3528
3529 case WM_KILLFOCUS:
3530 if (infoPtr->bIgnoreEditKillFocus)
3531 return TRUE;
3532 break;
3533
3534 case WM_GETDLGCODE:
3535 return DLGC_WANTARROWS | DLGC_WANTALLKEYS;
3536
3537 case WM_KEYDOWN:
3538 if (wParam == (WPARAM)VK_ESCAPE)
3539 {
3540 bCancel = TRUE;
3541 break;
3542 }
3543 else if (wParam == (WPARAM)VK_RETURN)
3544 {
3545 break;
3546 }
3547
3548 /* fall through */
3549 default:
3550 return CallWindowProcW(infoPtr->wpEditOrig, hwnd, uMsg, wParam, lParam);
3551 }
3552
3553 /* Processing TVN_ENDLABELEDIT message could kill the focus */
3554 /* eg. Using a messagebox */
3555
3556 infoPtr->bIgnoreEditKillFocus = TRUE;
3557 TREEVIEW_EndEditLabelNow(infoPtr, bCancel || !infoPtr->bLabelChanged);
3558 infoPtr->bIgnoreEditKillFocus = FALSE;
3559
3560 return 0;
3561 }
3562
3563
3564 /* should handle edit control messages here */
3565
3566 static LRESULT
3567 TREEVIEW_Command(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
3568 {
3569 TRACE("%lx %ld\n", wParam, lParam);
3570
3571 switch (HIWORD(wParam))
3572 {
3573 case EN_UPDATE:
3574 {
3575 /*
3576 * Adjust the edit window size
3577 */
3578 WCHAR buffer[1024];
3579 TREEVIEW_ITEM *editItem = infoPtr->selectedItem;
3580 HDC hdc = GetDC(infoPtr->hwndEdit);
3581 SIZE sz;
3582 HFONT hFont, hOldFont = 0;
3583
3584 infoPtr->bLabelChanged = TRUE;
3585
3586 GetWindowTextW(infoPtr->hwndEdit, buffer, sizeof(buffer)/sizeof(buffer[0]));
3587
3588 /* Select font to get the right dimension of the string */
3589 hFont = (HFONT)SendMessageW(infoPtr->hwndEdit, WM_GETFONT, 0, 0);
3590
3591 if (hFont != 0)
3592 {
3593 hOldFont = SelectObject(hdc, hFont);
3594 }
3595
3596 if (GetTextExtentPoint32W(hdc, buffer, strlenW(buffer), &sz))
3597 {
3598 TEXTMETRICW textMetric;
3599
3600 /* Add Extra spacing for the next character */
3601 GetTextMetricsW(hdc, &textMetric);
3602 sz.cx += (textMetric.tmMaxCharWidth * 2);
3603
3604 sz.cx = max(sz.cx, textMetric.tmMaxCharWidth * 3);
3605 sz.cx = min(sz.cx,
3606 infoPtr->clientWidth - editItem->textOffset + 2);
3607
3608 SetWindowPos(infoPtr->hwndEdit,
3609 HWND_TOP,
3610 0,
3611 0,
3612 sz.cx,
3613 editItem->rect.bottom - editItem->rect.top + 3,
3614 SWP_NOMOVE | SWP_DRAWFRAME);
3615 }
3616
3617 if (hFont != 0)
3618 {
3619 SelectObject(hdc, hOldFont);
3620 }
3621
3622 ReleaseDC(infoPtr->hwnd, hdc);
3623 break;
3624 }
3625
3626 default:
3627 return SendMessageW(infoPtr->hwndNotify, WM_COMMAND, wParam, lParam);
3628 }
3629
3630 return 0;
3631 }
3632
3633 static HWND
3634 TREEVIEW_EditLabel(TREEVIEW_INFO *infoPtr, HTREEITEM hItem)
3635 {
3636 HWND hwnd = infoPtr->hwnd;
3637 HWND hwndEdit;
3638 SIZE sz;
3639 TREEVIEW_ITEM *editItem = hItem;
3640 HINSTANCE hinst = (HINSTANCE)GetWindowLongPtrW(hwnd, GWLP_HINSTANCE);
3641 HDC hdc;
3642 HFONT hOldFont=0;
3643 TEXTMETRICW textMetric;
3644 static const WCHAR EditW[] = {'E','d','i','t',0};
3645
3646 TRACE("%p %p\n", hwnd, hItem);
3647 if (!TREEVIEW_ValidItem(infoPtr, editItem))
3648 return NULL;
3649
3650 if (infoPtr->hwndEdit)
3651 return infoPtr->hwndEdit;
3652
3653 infoPtr->bLabelChanged = FALSE;
3654
3655 /* Make sure that edit item is selected */
3656 TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, hItem, TVC_UNKNOWN);
3657 TREEVIEW_EnsureVisible(infoPtr, hItem, TRUE);
3658
3659 TREEVIEW_UpdateDispInfo(infoPtr, editItem, TVIF_TEXT);
3660
3661 hdc = GetDC(hwnd);
3662 /* Select the font to get appropriate metric dimensions */
3663 if (infoPtr->hFont != 0)
3664 {
3665 hOldFont = SelectObject(hdc, infoPtr->hFont);
3666 }
3667
3668 /* Get string length in pixels */
3669 if (editItem->pszText)
3670 GetTextExtentPoint32W(hdc, editItem->pszText, strlenW(editItem->pszText),
3671 &sz);
3672 else
3673 GetTextExtentPoint32A(hdc, "", 0, &sz);
3674
3675 /* Add Extra spacing for the next character */
3676 GetTextMetricsW(hdc, &textMetric);
3677 sz.cx += (textMetric.tmMaxCharWidth * 2);
3678
3679 sz.cx = max(sz.cx, textMetric.tmMaxCharWidth * 3);
3680 sz.cx = min(sz.cx, infoPtr->clientWidth - editItem->textOffset + 2);
3681
3682 if (infoPtr->hFont != 0)
3683 {
3684 SelectObject(hdc, hOldFont);
3685 }
3686
3687 ReleaseDC(hwnd, hdc);
3688 hwndEdit = CreateWindowExW(WS_EX_LEFT,
3689 EditW,
3690 0,
3691 WS_CHILD | WS_BORDER | ES_AUTOHSCROLL |
3692 WS_CLIPSIBLINGS | ES_WANTRETURN |
3693 ES_LEFT, editItem->textOffset - 2,
3694 editItem->rect.top - 1, sz.cx + 3,
3695 editItem->rect.bottom -
3696 editItem->rect.top + 3, hwnd, 0, hinst, 0);
3697 /* FIXME: (HMENU)IDTVEDIT,pcs->hInstance,0); */
3698
3699 infoPtr->hwndEdit = hwndEdit;
3700
3701 /* Get a 2D border. */
3702 SetWindowLongW(hwndEdit, GWL_EXSTYLE,
3703 GetWindowLongW(hwndEdit, GWL_EXSTYLE) & ~WS_EX_CLIENTEDGE);
3704 SetWindowLongW(hwndEdit, GWL_STYLE,
3705 GetWindowLongW(hwndEdit, GWL_STYLE) | WS_BORDER);
3706
3707 SendMessageW(hwndEdit, WM_SETFONT,
3708 (WPARAM)TREEVIEW_FontForItem(infoPtr, editItem), FALSE);
3709
3710 infoPtr->wpEditOrig = (WNDPROC)SetWindowLongPtrW(hwndEdit, GWLP_WNDPROC,
3711 (DWORD_PTR)
3712 TREEVIEW_Edit_SubclassProc);
3713
3714 if (TREEVIEW_BeginLabelEditNotify(infoPtr, editItem))
3715 {
3716 DestroyWindow(hwndEdit);
3717 infoPtr->hwndEdit = 0;
3718 return NULL;
3719 }
3720
3721 infoPtr->selectedItem = hItem;
3722
3723 if (editItem->pszText)
3724 SetWindowTextW(hwndEdit, editItem->pszText);
3725
3726 SetFocus(hwndEdit);
3727 SendMessageW(hwndEdit, EM_SETSEL, 0, -1);
3728 ShowWindow(hwndEdit, SW_SHOW);
3729
3730 return hwndEdit;
3731 }
3732
3733
3734 static LRESULT
3735 TREEVIEW_EndEditLabelNow(TREEVIEW_INFO *infoPtr, BOOL bCancel)
3736 {
3737 HWND hwnd = infoPtr->hwnd;
3738 TREEVIEW_ITEM *editedItem = infoPtr->selectedItem;
3739 NMTVDISPINFOW tvdi;
3740 BOOL bCommit;
3741 WCHAR tmpText[1024] = { '\0' };
3742 WCHAR *newText = tmpText;
3743 int iLength = 0;
3744
3745 if (!infoPtr->hwndEdit)
3746 return FALSE;
3747
3748 tvdi.hdr.hwndFrom = hwnd;
3749 tvdi.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
3750 tvdi.hdr.code = get_notifycode(infoPtr, TVN_ENDLABELEDITW);
3751 tvdi.item.mask = 0;
3752 tvdi.item.hItem = editedItem;
3753 tvdi.item.state = editedItem->state;
3754 tvdi.item.lParam = editedItem->lParam;
3755
3756 if (!bCancel)
3757 {
3758 if (!infoPtr->bNtfUnicode)
3759 iLength = GetWindowTextA(infoPtr->hwndEdit, (LPSTR)tmpText, 1023);
3760 else
3761 iLength = GetWindowTextW(infoPtr->hwndEdit, tmpText, 1023);
3762
3763 if (iLength >= 1023)
3764 {
3765 ERR("Insufficient space to retrieve new item label\n");
3766 }
3767
3768 tvdi.item.mask = TVIF_TEXT;
3769 tvdi.item.pszText = tmpText;
3770 tvdi.item.cchTextMax = iLength + 1;
3771 }
3772 else
3773 {
3774 tvdi.item.pszText = NULL;
3775 tvdi.item.cchTextMax = 0;
3776 }
3777
3778 bCommit = (BOOL)TREEVIEW_SendRealNotify(infoPtr, tvdi.hdr.idFrom, (LPARAM)&tvdi);
3779
3780 if (!bCancel && bCommit) /* Apply the changes */
3781 {
3782 if (!infoPtr->bNtfUnicode)
3783 {
3784 DWORD len = MultiByteToWideChar( CP_ACP, 0, (LPSTR)tmpText, -1, NULL, 0 );
3785 newText = Alloc(len * sizeof(WCHAR));
3786 MultiByteToWideChar( CP_ACP, 0, (LPSTR)tmpText, -1, newText, len );
3787 iLength = len - 1;
3788 }
3789
3790 if (strcmpW(newText, editedItem->pszText) != 0)
3791 {
3792 WCHAR *ptr = ReAlloc(editedItem->pszText, sizeof(WCHAR)*(iLength + 1));
3793 if (ptr == NULL)
3794 {
3795 ERR("OutOfMemory, cannot allocate space for label\n");
3796 if(newText != tmpText) Free(newText);
3797 DestroyWindow(infoPtr->hwndEdit);
3798 infoPtr->hwndEdit = 0;
3799 return FALSE;
3800 }
3801 else
3802 {
3803 editedItem->pszText = ptr;
3804 editedItem->cchTextMax = iLength + 1;
3805 strcpyW(editedItem->pszText, newText);
3806 TREEVIEW_ComputeTextWidth(infoPtr, editedItem, 0);
3807 }
3808 }
3809 if(newText != tmpText) Free(newText);
3810 }
3811
3812 ShowWindow(infoPtr->hwndEdit, SW_HIDE);
3813 DestroyWindow(infoPtr->hwndEdit);
3814 infoPtr->hwndEdit = 0;
3815 return TRUE;
3816 }
3817
3818 static LRESULT
3819 TREEVIEW_HandleTimer(TREEVIEW_INFO *infoPtr, WPARAM wParam)
3820 {
3821 if (wParam != TV_EDIT_TIMER)
3822 {
3823 ERR("got unknown timer\n");
3824 return 1;
3825 }
3826
3827 KillTimer(infoPtr->hwnd, TV_EDIT_TIMER);
3828 infoPtr->Timer &= ~TV_EDIT_TIMER_SET;
3829
3830 TREEVIEW_EditLabel(infoPtr, infoPtr->selectedItem);
3831
3832 return 0;
3833 }
3834
3835
3836 /* Mouse Tracking/Drag **************************************************/
3837
3838 /***************************************************************************
3839 * This is quite unusual piece of code, but that's how it's implemented in
3840 * Windows.
3841 */
3842 static LRESULT
3843 TREEVIEW_TrackMouse(const TREEVIEW_INFO *infoPtr, POINT pt)
3844 {
3845 INT cxDrag = GetSystemMetrics(SM_CXDRAG);
3846 INT cyDrag = GetSystemMetrics(SM_CYDRAG);
3847 RECT r;
3848 MSG msg;
3849
3850 r.top = pt.y - cyDrag;
3851 r.left = pt.x - cxDrag;
3852 r.bottom = pt.y + cyDrag;
3853 r.right = pt.x + cxDrag;
3854
3855 SetCapture(infoPtr->hwnd);
3856
3857 while (1)
3858 {
3859 if (PeekMessageW(&msg, 0, 0, 0, PM_REMOVE | PM_NOYIELD))
3860 {
3861 if (msg.message == WM_MOUSEMOVE)
3862 {
3863 pt.x = (short)LOWORD(msg.lParam);
3864 pt.y = (short)HIWORD(msg.lParam);
3865 if (PtInRect(&r, pt))
3866 continue;
3867 else
3868 {
3869 ReleaseCapture();
3870 return 1;
3871 }
3872 }
3873 else if (msg.message >= WM_LBUTTONDOWN &&
3874 msg.message <= WM_RBUTTONDBLCLK)
3875 {
3876 if (msg.message == WM_RBUTTONUP)
3877 TREEVIEW_RButtonUp(infoPtr, &pt);
3878 break;
3879 }
3880
3881 DispatchMessageW(&msg);
3882 }
3883
3884 if (GetCapture() != infoPtr->hwnd)
3885 return 0;
3886 }
3887
3888 ReleaseCapture();
3889 return 0;
3890 }
3891
3892
3893 static LRESULT
3894 TREEVIEW_LButtonDoubleClick(TREEVIEW_INFO *infoPtr, LPARAM lParam)
3895 {
3896 TREEVIEW_ITEM *wineItem;
3897 TVHITTESTINFO hit;
3898
3899 TRACE("\n");
3900 SetFocus(infoPtr->hwnd);
3901
3902 if (infoPtr->Timer & TV_EDIT_TIMER_SET)
3903 {
3904 /* If there is pending 'edit label' event - kill it now */
3905 KillTimer(infoPtr->hwnd, TV_EDIT_TIMER);
3906 }
3907
3908 hit.pt.x = (short)LOWORD(lParam);
3909 hit.pt.y = (short)HIWORD(lParam);
3910
3911 wineItem = (TREEVIEW_ITEM *)TREEVIEW_HitTest(infoPtr, &hit);
3912 if (!wineItem)
3913 return 0;
3914 TRACE("item %d\n", TREEVIEW_GetItemIndex(infoPtr, wineItem));
3915
3916 if (TREEVIEW_SendSimpleNotify(infoPtr, NM_DBLCLK) == FALSE)
3917 { /* FIXME! */
3918 switch (hit.flags)
3919 {
3920 case TVHT_ONITEMRIGHT:
3921 /* FIXME: we should not have sent NM_DBLCLK in this case. */
3922 break;
3923
3924 case TVHT_ONITEMINDENT:
3925 if (!(infoPtr->dwStyle & TVS_HASLINES))
3926 {
3927 break;
3928 }
3929 else
3930 {
3931 int level = hit.pt.x / infoPtr->uIndent;
3932 if (!(infoPtr->dwStyle & TVS_LINESATROOT)) level++;
3933
3934 while (wineItem->iLevel > level)
3935 {
3936 wineItem = wineItem->parent;
3937 }
3938
3939 /* fall through */
3940 }
3941
3942 case TVHT_ONITEMLABEL:
3943 case TVHT_ONITEMICON:
3944 case TVHT_ONITEMBUTTON:
3945 TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
3946 break;
3947
3948 case TVHT_ONITEMSTATEICON:
3949 if (infoPtr->dwStyle & TVS_CHECKBOXES)
3950 TREEVIEW_ToggleItemState(infoPtr, wineItem);
3951 else
3952 TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
3953 break;
3954 }
3955 }
3956 return TRUE;
3957 }
3958
3959
3960 static LRESULT
3961 TREEVIEW_LButtonDown(TREEVIEW_INFO *infoPtr, LPARAM lParam)
3962 {
3963 HWND hwnd = infoPtr->hwnd;
3964 TVHITTESTINFO ht;
3965 BOOL bTrack, bDoLabelEdit;
3966 HTREEITEM tempItem;
3967
3968 /* If Edit control is active - kill it and return.
3969 * The best way to do it is to set focus to itself.
3970 * Edit control subclassed procedure will automatically call
3971 * EndEditLabelNow.
3972 */
3973 if (infoPtr->hwndEdit)
3974 {
3975 SetFocus(hwnd);
3976 return 0;
3977 }
3978
3979 ht.pt.x = (short)LOWORD(lParam);
3980 ht.pt.y = (short)HIWORD(lParam);
3981
3982 TREEVIEW_HitTest(infoPtr, &ht);
3983 TRACE("item %d\n", TREEVIEW_GetItemIndex(infoPtr, ht.hItem));
3984
3985 /* update focusedItem and redraw both items */
3986 if(ht.hItem && (ht.flags & TVHT_ONITEM))
3987 {
3988 infoPtr->focusedItem = ht.hItem;
3989 InvalidateRect(hwnd, &ht.hItem->rect, TRUE);
3990
3991 if(infoPtr->selectedItem)
3992 InvalidateRect(hwnd, &(infoPtr->selectedItem->rect), TRUE);
3993 }
3994
3995 bTrack = (ht.flags & TVHT_ONITEM)
3996 && !(infoPtr->dwStyle & TVS_DISABLEDRAGDROP);
3997
3998 /*
3999 * If the style allows editing and the node is already selected
4000 * and the click occurred on the item label...
4001 */
4002 bDoLabelEdit = (infoPtr->dwStyle & TVS_EDITLABELS) &&
4003 (ht.flags & TVHT_ONITEMLABEL) && (infoPtr->selectedItem == ht.hItem);
4004
4005 /* Send NM_CLICK right away */
4006 if (!bTrack)
4007 if (TREEVIEW_SendSimpleNotify(infoPtr, NM_CLICK))
4008 goto setfocus;
4009
4010 if (ht.flags & TVHT_ONITEMBUTTON)
4011 {
4012 TREEVIEW_Toggle(infoPtr, ht.hItem, TRUE);
4013 goto setfocus;
4014 }
4015 else if (bTrack)
4016 { /* if TREEVIEW_TrackMouse == 1 dragging occurred and the cursor left the dragged item's rectangle */
4017 if (TREEVIEW_TrackMouse(infoPtr, ht.pt))
4018 {
4019 TREEVIEW_SendTreeviewDnDNotify(infoPtr, TVN_BEGINDRAGW, ht.hItem, ht.pt);
4020 infoPtr->dropItem = ht.hItem;
4021
4022 /* clean up focusedItem as we dragged and won't select this item */
4023 if(infoPtr->focusedItem)
4024 {
4025 /* refresh the item that was focused */
4026 tempItem = infoPtr->focusedItem;
4027 infoPtr->focusedItem = 0;
4028 InvalidateRect(infoPtr->hwnd, &tempItem->rect, TRUE);
4029
4030 /* refresh the selected item to return the filled background */
4031 InvalidateRect(infoPtr->hwnd, &(infoPtr->selectedItem->rect), TRUE);
4032 }
4033
4034 return 0;
4035 }
4036 }
4037
4038 if (bTrack && TREEVIEW_SendSimpleNotify(infoPtr, NM_CLICK))
4039 goto setfocus;
4040
4041 if (bDoLabelEdit)
4042 {
4043 if (infoPtr->Timer & TV_EDIT_TIMER_SET)
4044 KillTimer(hwnd, TV_EDIT_TIMER);
4045
4046 SetTimer(hwnd, TV_EDIT_TIMER, GetDoubleClickTime(), 0);
4047 infoPtr->Timer |= TV_EDIT_TIMER_SET;
4048 }
4049 else if (ht.flags & (TVHT_ONITEMICON|TVHT_ONITEMLABEL)) /* select the item if the hit was inside of the icon or text */
4050 {
4051 /*
4052 * if we are TVS_SINGLEEXPAND then we want this single click to
4053 * do a bunch of things.
4054 */
4055 if((infoPtr->dwStyle & TVS_SINGLEEXPAND) &&
4056 (infoPtr->hwndEdit == 0))
4057 {
4058 TREEVIEW_ITEM *SelItem;
4059
4060 /*
4061 * Send the notification
4062 */
4063 TREEVIEW_SendTreeviewNotify(infoPtr, TVN_SINGLEEXPAND, TVC_UNKNOWN, TVIF_HANDLE | TVIF_PARAM, ht.hItem, 0);
4064
4065 /*
4066 * Close the previous selection all the way to the root
4067 * as long as the new selection is not a child
4068 */
4069 if((infoPtr->selectedItem)
4070 && (infoPtr->selectedItem != ht.hItem))
4071 {
4072 BOOL closeit = TRUE;
4073 SelItem = ht.hItem;
4074
4075 /* determine if the hitItem is a child of the currently selected item */
4076 while(closeit && SelItem && TREEVIEW_ValidItem(infoPtr, SelItem) && (SelItem != infoPtr->root))
4077 {
4078 closeit = (SelItem != infoPtr->selectedItem);
4079 SelItem = SelItem->parent;
4080 }
4081
4082 if(closeit)
4083 {
4084 if(TREEVIEW_ValidItem(infoPtr, infoPtr->selectedItem))
4085 SelItem = infoPtr->selectedItem;
4086
4087 while(SelItem && (SelItem != ht.hItem) && TREEVIEW_ValidItem(infoPtr, SelItem) && (SelItem != infoPtr->root))
4088 {
4089 TREEVIEW_Collapse(infoPtr, SelItem, FALSE, FALSE);
4090 SelItem = SelItem->parent;
4091 }
4092 }
4093 }
4094
4095 /*
4096 * Expand the current item
4097 */
4098 TREEVIEW_Expand(infoPtr, ht.hItem, TVE_TOGGLE, FALSE);
4099 }
4100
4101 /* Select the current item */
4102 TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, ht.hItem, TVC_BYMOUSE);
4103 }
4104 else if (ht.flags & TVHT_ONITEMSTATEICON)
4105 {
4106 /* TVS_CHECKBOXES requires us to toggle the current state */
4107 if (infoPtr->dwStyle & TVS_CHECKBOXES)
4108 TREEVIEW_ToggleItemState(infoPtr, ht.hItem);
4109 }
4110
4111 setfocus:
4112 SetFocus(hwnd);
4113 return 0;
4114 }
4115
4116
4117 static LRESULT
4118 TREEVIEW_RButtonDown(TREEVIEW_INFO *infoPtr, LPARAM lParam)
4119 {
4120 TVHITTESTINFO ht;
4121
4122 if (infoPtr->hwndEdit)
4123 {
4124 SetFocus(infoPtr->hwnd);
4125 return 0;
4126 }
4127
4128 ht.pt.x = (short)LOWORD(lParam);
4129 ht.pt.y = (short)HIWORD(lParam);
4130
4131 TREEVIEW_HitTest(infoPtr, &ht);
4132
4133 if (TREEVIEW_TrackMouse(infoPtr, ht.pt))
4134 {
4135 if (ht.hItem)
4136 {
4137 TREEVIEW_SendTreeviewDnDNotify(infoPtr, TVN_BEGINRDRAGW, ht.hItem, ht.pt);
4138 infoPtr->dropItem = ht.hItem;
4139 }
4140 }
4141 else
4142 {
4143 SetFocus(infoPtr->hwnd);
4144 TREEVIEW_SendSimpleNotify(infoPtr, NM_RCLICK);
4145 }
4146
4147 return 0;
4148 }
4149
4150 static LRESULT
4151 TREEVIEW_RButtonUp(const TREEVIEW_INFO *infoPtr, const POINT *pPt)
4152 {
4153 TVHITTESTINFO ht;
4154
4155 ht.pt = *pPt;
4156
4157 TREEVIEW_HitTest(infoPtr, &ht);
4158
4159 if (ht.hItem)
4160 {
4161 /* Change to screen coordinate for WM_CONTEXTMENU */
4162 ClientToScreen(infoPtr->hwnd, &ht.pt);
4163
4164 /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */
4165 SendMessageW(infoPtr->hwnd, WM_CONTEXTMENU,
4166 (WPARAM)infoPtr->hwnd, MAKELPARAM(ht.pt.x, ht.pt.y));
4167 }
4168 return 0;
4169 }
4170
4171
4172 static LRESULT
4173 TREEVIEW_CreateDragImage(TREEVIEW_INFO *infoPtr, LPARAM lParam)
4174 {
4175 TREEVIEW_ITEM *dragItem = (HTREEITEM)lParam;
4176 INT cx, cy;
4177 HDC hdc, htopdc;
4178 HWND hwtop;
4179 HBITMAP hbmp, hOldbmp;
4180 SIZE size;
4181 RECT rc;
4182 HFONT hOldFont;
4183
4184 TRACE("\n");
4185
4186 if (!(infoPtr->himlNormal))
4187 return 0;
4188
4189 if (!dragItem || !TREEVIEW_ValidItem(infoPtr, dragItem))
4190 return 0;
4191
4192 TREEVIEW_UpdateDispInfo(infoPtr, dragItem, TVIF_TEXT);
4193
4194 hwtop = GetDesktopWindow();
4195 htopdc = GetDC(hwtop);
4196 hdc = CreateCompatibleDC(htopdc);
4197
4198 hOldFont = SelectObject(hdc, infoPtr->hFont);
4199
4200 if (dragItem->pszText)
4201 GetTextExtentPoint32W(hdc, dragItem->pszText, strlenW(dragItem->pszText),
4202 &size);
4203 else
4204 GetTextExtentPoint32A(hdc, "", 0, &size);
4205
4206 TRACE("%d %d %s\n", size.cx, size.cy, debugstr_w(dragItem->pszText));
4207 hbmp = CreateCompatibleBitmap(htopdc, size.cx, size.cy);
4208 hOldbmp = SelectObject(hdc, hbmp);
4209
4210 ImageList_GetIconSize(infoPtr->himlNormal, &cx, &cy);
4211 size.cx += cx;
4212 if (cy > size.cy)
4213 size.cy = cy;
4214
4215 infoPtr->dragList = ImageList_Create(size.cx, size.cy, ILC_COLOR, 10, 10);
4216 ImageList_Draw(infoPtr->himlNormal, dragItem->iImage, hdc, 0, 0,
4217 ILD_NORMAL);
4218
4219 /*
4220 ImageList_GetImageInfo (infoPtr->himlNormal, dragItem->hItem, &iminfo);
4221 ImageList_AddMasked (infoPtr->dragList, iminfo.hbmImage, CLR_DEFAULT);
4222 */
4223
4224 /* draw item text */
4225
4226 SetRect(&rc, cx, 0, size.cx, size.cy);
4227
4228 if (dragItem->pszText)
4229 DrawTextW(hdc, dragItem->pszText, strlenW(dragItem->pszText), &rc,
4230 DT_LEFT);
4231
4232 SelectObject(hdc, hOldFont);
4233 SelectObject(hdc, hOldbmp);
4234
4235 ImageList_Add(infoPtr->dragList, hbmp, 0);
4236
4237 DeleteDC(hdc);
4238 DeleteObject(hbmp);
4239 ReleaseDC(hwtop, htopdc);
4240
4241 return (LRESULT)infoPtr->dragList;
4242 }
4243
4244 /* Selection ************************************************************/
4245
4246 static LRESULT
4247 TREEVIEW_DoSelectItem(TREEVIEW_INFO *infoPtr, INT action, HTREEITEM newSelect,
4248 INT cause)
4249 {
4250 TREEVIEW_ITEM *prevSelect;
4251 RECT rcFocused;
4252
4253 assert(newSelect == NULL || TREEVIEW_ValidItem(infoPtr, newSelect));
4254
4255 TRACE("Entering item %p (%s), flag %x, cause %x, state %d\n",
4256 newSelect, TREEVIEW_ItemName(newSelect), action, cause,
4257 newSelect ? newSelect->state : 0);
4258
4259 /* reset and redraw focusedItem if focusedItem was set so we don't */
4260 /* have to worry about the previously focused item when we set a new one */
4261 if(infoPtr->focusedItem)
4262 {
4263 rcFocused = (infoPtr->focusedItem)->rect;
4264 infoPtr->focusedItem = 0;
4265 InvalidateRect(infoPtr->hwnd, &rcFocused, TRUE);
4266 }
4267
4268 switch (action)
4269 {
4270 case TVGN_CARET:
4271 prevSelect = infoPtr->selectedItem;
4272
4273 if (prevSelect == newSelect) {
4274 TREEVIEW_EnsureVisible(infoPtr, infoPtr->selectedItem, FALSE);
4275 break;
4276 }
4277
4278 if (TREEVIEW_SendTreeviewNotify(infoPtr,
4279 TVN_SELCHANGINGW,
4280 cause,
4281 TVIF_TEXT | TVIF_HANDLE | TVIF_STATE | TVIF_PARAM,
4282 prevSelect,
4283 newSelect))
4284 return FALSE;
4285
4286 if (prevSelect)
4287 prevSelect->state &= ~TVIS_SELECTED;
4288 if (newSelect)
4289 newSelect->state |= TVIS_SELECTED;
4290
4291 infoPtr->selectedItem = newSelect;
4292
4293 TREEVIEW_EnsureVisible(infoPtr, infoPtr->selectedItem, FALSE);
4294
4295 if (prevSelect)
4296 TREEVIEW_Invalidate(infoPtr, prevSelect);
4297 if (newSelect)
4298 TREEVIEW_Invalidate(infoPtr, newSelect);
4299
4300 TREEVIEW_SendTreeviewNotify(infoPtr,
4301 TVN_SELCHANGEDW,
4302 cause,
4303 TVIF_TEXT | TVIF_HANDLE | TVIF_STATE | TVIF_PARAM,
4304 prevSelect,
4305 newSelect);
4306 break;
4307
4308 case TVGN_DROPHILITE:
4309 prevSelect = infoPtr->dropItem;
4310
4311 if (prevSelect)
4312 prevSelect->state &= ~TVIS_DROPHILITED;
4313
4314 infoPtr->dropItem = newSelect;
4315
4316 if (newSelect)
4317 newSelect->state |= TVIS_DROPHILITED;
4318
4319 TREEVIEW_Invalidate(infoPtr, prevSelect);
4320 TREEVIEW_Invalidate(infoPtr, newSelect);
4321 break;
4322
4323 case TVGN_FIRSTVISIBLE:
4324 if (newSelect != NULL)
4325 {
4326 TREEVIEW_EnsureVisible(infoPtr, newSelect, FALSE);
4327 TREEVIEW_SetFirstVisible(infoPtr, newSelect, TRUE);
4328 TREEVIEW_Invalidate(infoPtr, NULL);
4329 }
4330 break;
4331 }
4332
4333 TRACE("Leaving state %d\n", newSelect ? newSelect->state : 0);
4334 return TRUE;
4335 }
4336
4337 /* FIXME: handle NM_KILLFOCUS etc */
4338 static LRESULT
4339 TREEVIEW_SelectItem(TREEVIEW_INFO *infoPtr, INT wParam, HTREEITEM item)
4340 {
4341 if (item != NULL && !TREEVIEW_ValidItem(infoPtr, item))
4342 return FALSE;
4343
4344 TRACE("%p (%s) %d\n", item, TREEVIEW_ItemName(item), wParam);
4345
4346 if (!TREEVIEW_DoSelectItem(infoPtr, wParam, item, TVC_UNKNOWN))
4347 return FALSE;
4348
4349 return TRUE;
4350 }
4351
4352 /*************************************************************************
4353 * TREEVIEW_ProcessLetterKeys
4354 *
4355 * Processes keyboard messages generated by pressing the letter keys
4356 * on the keyboard.
4357 * What this does is perform a case insensitive search from the
4358 * current position with the following quirks:
4359 * - If two chars or more are pressed in quick succession we search
4360 * for the corresponding string (e.g. 'abc').
4361 * - If there is a delay we wipe away the current search string and
4362 * restart with just that char.
4363 * - If the user keeps pressing the same character, whether slowly or
4364 * fast, so that the search string is entirely composed of this
4365 * character ('aaaaa' for instance), then we search for first item
4366 * that starting with that character.
4367 * - If the user types the above character in quick succession, then
4368 * we must also search for the corresponding string ('aaaaa'), and
4369 * go to that string if there is a match.
4370 *
4371 * RETURNS
4372 *
4373 * Zero.
4374 *
4375 * BUGS
4376 *
4377 * - The current implementation has a list of characters it will
4378 * accept and it ignores everything else. In particular it will
4379 * ignore accentuated characters which seems to match what
4380 * Windows does. But I'm not sure it makes sense to follow
4381 * Windows there.
4382 * - We don't sound a beep when the search fails.
4383 * - The search should start from the focused item, not from the selected
4384 * item. One reason for this is to allow for multiple selections in trees.
4385 * But currently infoPtr->focusedItem does not seem very usable.
4386 *
4387 * SEE ALSO
4388 *
4389 * TREEVIEW_ProcessLetterKeys
4390 */
4391 static INT TREEVIEW_ProcessLetterKeys(
4392 HWND hwnd, /* handle to the window */
4393 WPARAM charCode, /* the character code, the actual character */
4394 LPARAM keyData /* key data */
4395 )
4396 {
4397 TREEVIEW_INFO *infoPtr;
4398 HTREEITEM nItem;
4399 HTREEITEM endidx,idx;
4400 TVITEMEXW item;
4401 WCHAR buffer[MAX_PATH];
4402 DWORD timestamp,elapsed;
4403
4404 /* simple parameter checking */
4405 if (!hwnd || !charCode || !keyData)
4406 return 0;
4407
4408 infoPtr=(TREEVIEW_INFO*)GetWindowLongPtrW(hwnd, 0);
4409 if (!infoPtr)
4410 return 0;
4411
4412 /* only allow the valid WM_CHARs through */
4413 if (!isalnum(charCode) &&
4414 charCode != '.' && charCode != '`' && charCode != '!' &&
4415 charCode != '@' && charCode != '#' && charCode != '$' &&
4416 charCode != '%' && charCode != '^' && charCode != '&' &&
4417 charCode != '*' && charCode != '(' && charCode != ')' &&
4418 charCode != '-' && charCode != '_' && charCode != '+' &&
4419 charCode != '=' && charCode != '\\'&& charCode != ']' &&
4420 charCode != '}' && charCode != '[' && charCode != '{' &&
4421 charCode != '/' && charCode != '?' && charCode != '>' &&
4422 charCode != '<' && charCode != ',' && charCode != '~')
4423 return 0;
4424
4425 /* compute how much time elapsed since last keypress */
4426 timestamp = GetTickCount();
4427 if (timestamp > infoPtr->lastKeyPressTimestamp) {
4428 elapsed=timestamp-infoPtr->lastKeyPressTimestamp;
4429 } else {
4430 elapsed=infoPtr->lastKeyPressTimestamp-timestamp;
4431 }
4432
4433 /* update the search parameters */
4434 infoPtr->lastKeyPressTimestamp=timestamp;
4435 if (elapsed < KEY_DELAY) {
4436 if (infoPtr->nSearchParamLength < sizeof(infoPtr->szSearchParam) / sizeof(WCHAR)) {
4437 infoPtr->szSearchParam[infoPtr->nSearchParamLength++]=charCode;
4438 }
4439 if (infoPtr->charCode != charCode) {
4440 infoPtr->charCode=charCode=0;
4441 }
4442 } else {
4443 infoPtr->charCode=charCode;
4444 infoPtr->szSearchParam[0]=charCode;
4445 infoPtr->nSearchParamLength=1;
4446 /* Redundant with the 1 char string */
4447 charCode=0;
4448 }
4449
4450 /* and search from the current position */
4451 nItem=NULL;
4452 if (infoPtr->selectedItem != NULL) {
4453 endidx=infoPtr->selectedItem;
4454 /* if looking for single character match,
4455 * then we must always move forward
4456 */
4457 if (infoPtr->nSearchParamLength == 1)
4458 idx=TREEVIEW_GetNextListItem(infoPtr,endidx);
4459 else
4460 idx=endidx;
4461 } else {
4462 endidx=NULL;
4463 idx=infoPtr->root->firstChild;
4464 }
4465 do {
4466 /* At the end point, sort out wrapping */
4467 if (idx == NULL) {
4468
4469 /* If endidx is null, stop at the last item (ie top to bottom) */
4470 if (endidx == NULL)
4471 break;
4472
4473 /* Otherwise, start again at the very beginning */
4474 idx=infoPtr->root->firstChild;
4475
4476 /* But if we are stopping on the first child, end now! */
4477 if (idx == endidx) break;
4478 }
4479
4480 /* get item */
4481 ZeroMemory(&item, sizeof(item));
4482 item.mask = TVIF_TEXT;
4483 item.hItem = idx;
4484 item.pszText = buffer;
4485 item.cchTextMax = sizeof(buffer);
4486 TREEVIEW_GetItemT( infoPtr, &item, TRUE );
4487
4488 /* check for a match */
4489 if (strncmpiW(item.pszText,infoPtr->szSearchParam,infoPtr->nSearchParamLength) == 0) {
4490 nItem=idx;
4491 break;
4492 } else if ( (charCode != 0) && (nItem == NULL) &&
4493 (nItem != infoPtr->selectedItem) &&
4494 (strncmpiW(item.pszText,infoPtr->szSearchParam,1) == 0) ) {
4495 /* This would work but we must keep looking for a longer match */
4496 nItem=idx;
4497 }
4498 idx=TREEVIEW_GetNextListItem(infoPtr,idx);
4499 } while (idx != endidx);
4500
4501 if (nItem != NULL) {
4502 if (TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, nItem, TVC_BYKEYBOARD)) {
4503 TREEVIEW_EnsureVisible(infoPtr, nItem, FALSE);
4504 }
4505 }
4506
4507 return 0;
4508 }
4509
4510 /* Scrolling ************************************************************/
4511
4512 static LRESULT
4513 TREEVIEW_EnsureVisible(TREEVIEW_INFO *infoPtr, HTREEITEM item, BOOL bHScroll)
4514 {
4515 int viscount;
4516 BOOL hasFirstVisible = infoPtr->firstVisible != NULL;
4517 HTREEITEM newFirstVisible = NULL;
4518 int visible_pos = -1;
4519
4520 if (!TREEVIEW_ValidItem(infoPtr, item))
4521 return FALSE;
4522
4523 if (!ISVISIBLE(item))
4524 {
4525 /* Expand parents as necessary. */
4526 HTREEITEM parent;
4527
4528 /* see if we are trying to ensure that root is visible */
4529 if((item != infoPtr->root) && TREEVIEW_ValidItem(infoPtr, item))
4530 parent = item->parent;
4531 else
4532 parent = item; /* this item is the topmost item */
4533
4534 while (parent != infoPtr->root)
4535 {
4536 if (!(parent->state & TVIS_EXPANDED))
4537 TREEVIEW_Expand(infoPtr, parent, FALSE, FALSE);
4538
4539 parent = parent->parent;
4540 }
4541 }
4542
4543 viscount = TREEVIEW_GetVisibleCount(infoPtr);
4544
4545 TRACE("%p (%s) %d - %d viscount(%d)\n", item, TREEVIEW_ItemName(item), item->visibleOrder,
4546 hasFirstVisible ? infoPtr->firstVisible->visibleOrder : -1, viscount);
4547
4548 if (hasFirstVisible)
4549 visible_pos = item->visibleOrder - infoPtr->firstVisible->visibleOrder;
4550
4551 if (visible_pos < 0)
4552 {
4553 /* item is before the start of the list: put it at the top. */
4554 newFirstVisible = item;
4555 }
4556 else if (visible_pos >= viscount
4557 /* Sometimes, before we are displayed, GVC is 0, causing us to
4558 * spuriously scroll up. */
4559 && visible_pos > 0 && !(infoPtr->dwStyle & TVS_NOSCROLL) )
4560 {
4561 /* item is past the end of the list. */
4562 int scroll = visible_pos - viscount;
4563
4564 newFirstVisible = TREEVIEW_GetListItem(infoPtr, infoPtr->firstVisible,
4565 scroll + 1);
4566 }
4567
4568 if (bHScroll)
4569 {
4570 /* Scroll window so item's text is visible as much as possible */
4571 /* Calculation of amount of extra space is taken from EditLabel code */
4572 INT pos, x;
4573 TEXTMETRICW textMetric;
4574 HDC hdc = GetWindowDC(infoPtr->hwnd);
4575
4576 x = item->textWidth;
4577
4578 GetTextMetricsW(hdc, &textMetric);
4579 ReleaseDC(infoPtr->hwnd, hdc);
4580
4581 x += (textMetric.tmMaxCharWidth * 2);
4582 x = max(x, textMetric.tmMaxCharWidth * 3);
4583
4584 if (item->textOffset < 0)
4585 pos = item->textOffset;
4586 else if (item->textOffset + x > infoPtr->clientWidth)
4587 {
4588 if (x > infoPtr->clientWidth)
4589 pos = item->textOffset;
4590 else
4591 pos = item->textOffset + x - infoPtr->clientWidth;
4592 }
4593 else
4594 pos = 0;
4595
4596 TREEVIEW_HScroll(infoPtr, MAKEWPARAM(SB_THUMBPOSITION, infoPtr->scrollX + pos));
4597 }
4598
4599 if (newFirstVisible != NULL && newFirstVisible != infoPtr->firstVisible)
4600 {
4601 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
4602
4603 return TRUE;
4604 }
4605
4606 return FALSE;
4607 }
4608
4609 static VOID
4610 TREEVIEW_SetFirstVisible(TREEVIEW_INFO *infoPtr,
4611 TREEVIEW_ITEM *newFirstVisible,
4612 BOOL bUpdateScrollPos)
4613 {
4614 int gap_size;
4615
4616 TRACE("%p: %s\n", newFirstVisible, TREEVIEW_ItemName(newFirstVisible));
4617
4618 if (newFirstVisible != NULL)
4619 {
4620 /* Prevent an empty gap from appearing at the bottom... */
4621 gap_size = TREEVIEW_GetVisibleCount(infoPtr)
4622 - infoPtr->maxVisibleOrder + newFirstVisible->visibleOrder;
4623
4624 if (gap_size > 0)
4625 {
4626 newFirstVisible = TREEVIEW_GetListItem(infoPtr, newFirstVisible,
4627 -gap_size);
4628
4629 /* ... unless we just don't have enough items. */
4630 if (newFirstVisible == NULL)
4631 newFirstVisible = infoPtr->root->firstChild;
4632 }
4633 }
4634
4635 if (infoPtr->firstVisible != newFirstVisible)
4636 {
4637 if (infoPtr->firstVisible == NULL || newFirstVisible == NULL)
4638 {
4639 infoPtr->firstVisible = newFirstVisible;
4640 TREEVIEW_Invalidate(infoPtr, NULL);
4641 }
4642 else
4643 {
4644 TREEVIEW_ITEM *item;
4645 int scroll = infoPtr->uItemHeight *
4646 (infoPtr->firstVisible->visibleOrder
4647 - newFirstVisible->visibleOrder);
4648
4649 infoPtr->firstVisible = newFirstVisible;
4650
4651 for (item = infoPtr->root->firstChild; item != NULL;
4652 item = TREEVIEW_GetNextListItem(infoPtr, item))
4653 {
4654 item->rect.top += scroll;
4655 item->rect.bottom += scroll;
4656 }
4657
4658 if (bUpdateScrollPos)
4659 SetScrollPos(infoPtr->hwnd, SB_VERT,
4660 newFirstVisible->visibleOrder, TRUE);
4661
4662 ScrollWindowEx(infoPtr->hwnd, 0, scroll, NULL, NULL, NULL, NULL, SW_ERASE | SW_INVALIDATE);
4663 }
4664 }
4665 }
4666
4667 /************************************************************************
4668 * VScroll is always in units of visible items. i.e. we always have a
4669 * visible item aligned to the top of the control. (Unless we have no
4670 * items at all.)
4671 */
4672 static LRESULT
4673 TREEVIEW_VScroll(TREEVIEW_INFO *infoPtr, WPARAM wParam)
4674 {
4675 TREEVIEW_ITEM *oldFirstVisible = infoPtr->firstVisible;
4676 TREEVIEW_ITEM *newFirstVisible = NULL;
4677
4678 int nScrollCode = LOWORD(wParam);
4679
4680 TRACE("wp %lx\n", wParam);
4681
4682 if (!(infoPtr->uInternalStatus & TV_VSCROLL))
4683 return 0;
4684
4685 if (!oldFirstVisible)
4686 {
4687 assert(infoPtr->root->firstChild == NULL);
4688 return 0;
4689 }
4690
4691 switch (nScrollCode)
4692 {
4693 case SB_TOP:
4694 newFirstVisible = infoPtr->root->firstChild;
4695 break;
4696
4697 case SB_BOTTOM:
4698 newFirstVisible = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
4699 break;
4700
4701 case SB_LINEUP:
4702 newFirstVisible = TREEVIEW_GetPrevListItem(infoPtr, oldFirstVisible);
4703 break;
4704
4705 case SB_LINEDOWN:
4706 newFirstVisible = TREEVIEW_GetNextListItem(infoPtr, oldFirstVisible);
4707 break;
4708
4709 case SB_PAGEUP:
4710 newFirstVisible = TREEVIEW_GetListItem(infoPtr, oldFirstVisible,
4711 -max(1, TREEVIEW_GetVisibleCount(infoPtr)));
4712 break;
4713
4714 case SB_PAGEDOWN:
4715 newFirstVisible = TREEVIEW_GetListItem(infoPtr, oldFirstVisible,
4716 max(1, TREEVIEW_GetVisibleCount(infoPtr)));
4717 break;
4718
4719 case SB_THUMBTRACK:
4720 case SB_THUMBPOSITION:
4721 newFirstVisible = TREEVIEW_GetListItem(infoPtr,
4722 infoPtr->root->firstChild,
4723 (LONG)(SHORT)HIWORD(wParam));
4724 break;
4725
4726 case SB_ENDSCROLL:
4727 return 0;
4728 }
4729
4730 if (newFirstVisible != NULL)
4731 {
4732 if (newFirstVisible != oldFirstVisible)
4733 TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible,
4734 nScrollCode != SB_THUMBTRACK);
4735 else if (nScrollCode == SB_THUMBPOSITION)
4736 SetScrollPos(infoPtr->hwnd, SB_VERT,
4737 newFirstVisible->visibleOrder, TRUE);
4738 }
4739
4740 return 0;
4741 }
4742
4743 static LRESULT
4744 TREEVIEW_HScroll(TREEVIEW_INFO *infoPtr, WPARAM wParam)
4745 {
4746 int maxWidth;
4747 int scrollX = infoPtr->scrollX;
4748 int nScrollCode = LOWORD(wParam);
4749
4750 TRACE("wp %lx\n", wParam);
4751
4752 if (!(infoPtr->uInternalStatus & TV_HSCROLL))
4753 return FALSE;
4754
4755 maxWidth = infoPtr->treeWidth - infoPtr->clientWidth;
4756 /* shall never occur */
4757 if (maxWidth <= 0)
4758 {
4759 scrollX = 0;
4760 goto scroll;
4761 }
4762
4763 switch (nScrollCode)
4764 {
4765 case SB_LINELEFT:
4766 scrollX -= infoPtr->uItemHeight;
4767 break;
4768 case SB_LINERIGHT:
4769 scrollX += infoPtr->uItemHeight;
4770 break;
4771 case SB_PAGELEFT:
4772 scrollX -= infoPtr->clientWidth;
4773 break;
4774 case SB_PAGERIGHT:
4775 scrollX += infoPtr->clientWidth;
4776 break;
4777
4778 case SB_THUMBTRACK:
4779 case SB_THUMBPOSITION:
4780 scrollX = (int)(SHORT)HIWORD(wParam);
4781 break;
4782
4783 case SB_ENDSCROLL:
4784 return 0;
4785 }
4786
4787 if (scrollX > maxWidth)
4788 scrollX = maxWidth;
4789 else if (scrollX < 0)
4790 scrollX = 0;
4791
4792 scroll:
4793 if (scrollX != infoPtr->scrollX)
4794 {
4795 TREEVIEW_ITEM *item;
4796 LONG scroll_pixels = infoPtr->scrollX - scrollX;
4797
4798 for (item = infoPtr->root->firstChild; item != NULL;
4799 item = TREEVIEW_GetNextListItem(infoPtr, item))
4800 {
4801 item->linesOffset += scroll_pixels;
4802 item->stateOffset += scroll_pixels;
4803 item->imageOffset += scroll_pixels;
4804 item->textOffset += scroll_pixels;
4805 }
4806
4807 ScrollWindow(infoPtr->hwnd, scroll_pixels, 0, NULL, NULL);
4808 infoPtr->scrollX = scrollX;
4809 UpdateWindow(infoPtr->hwnd);
4810 }
4811
4812 if (nScrollCode != SB_THUMBTRACK)
4813 SetScrollPos(infoPtr->hwnd, SB_HORZ, scrollX, TRUE);
4814
4815 return 0;
4816 }
4817
4818 static LRESULT
4819 TREEVIEW_MouseWheel(TREEVIEW_INFO *infoPtr, WPARAM wParam)
4820 {
4821 short gcWheelDelta;
4822 UINT pulScrollLines = 3;
4823
4824 if (infoPtr->firstVisible == NULL)
4825 return TRUE;
4826
4827 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES, 0, &pulScrollLines, 0);
4828
4829 gcWheelDelta = -(short)HIWORD(wParam);
4830 pulScrollLines *= (gcWheelDelta / WHEEL_DELTA);
4831
4832 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
4833 {
4834 int newDy = infoPtr->firstVisible->visibleOrder + pulScrollLines;
4835 int maxDy = infoPtr->maxVisibleOrder;
4836
4837 if (newDy > maxDy)
4838 newDy = maxDy;
4839
4840 if (newDy < 0)
4841 newDy = 0;
4842
4843 TREEVIEW_VScroll(infoPtr, MAKEWPARAM(SB_THUMBPOSITION, newDy));
4844 }
4845 return TRUE;
4846 }
4847
4848 /* Create/Destroy *******************************************************/
4849
4850 static void
4851 initialize_checkboxes(TREEVIEW_INFO *infoPtr)
4852 {
4853 RECT rc;
4854 HBITMAP hbm, hbmOld;
4855 HDC hdc, hdcScreen;
4856 int nIndex;
4857
4858 infoPtr->himlState = ImageList_Create(16, 16, ILC_COLOR | ILC_MASK, 3, 0);
4859
4860 hdcScreen = GetDC(0);
4861
4862 hdc = CreateCompatibleDC(hdcScreen);
4863 hbm = CreateCompatibleBitmap(hdcScreen, 48, 16);
4864 hbmOld = SelectObject(hdc, hbm);
4865
4866 SetRect(&rc, 0, 0, 48, 16);
4867 FillRect(hdc, &rc, (HBRUSH)(COLOR_WINDOW+1));
4868
4869 SetRect(&rc, 18, 2, 30, 14);
4870 DrawFrameControl(hdc, &rc, DFC_BUTTON,
4871 DFCS_BUTTONCHECK|DFCS_FLAT);
4872
4873 SetRect(&rc, 34, 2, 46, 14);
4874 DrawFrameControl(hdc, &rc, DFC_BUTTON,
4875 DFCS_BUTTONCHECK|DFCS_FLAT|DFCS_CHECKED);
4876
4877 SelectObject(hdc, hbmOld);
4878 nIndex = ImageList_AddMasked(infoPtr->himlState, hbm,
4879 GetSysColor(COLOR_WINDOW));
4880 TRACE("checkbox index %d\n", nIndex);
4881
4882 DeleteObject(hbm);
4883 DeleteDC(hdc);
4884 ReleaseDC(0, hdcScreen);
4885
4886 infoPtr->stateImageWidth = 16;
4887 infoPtr->stateImageHeight = 16;
4888 }
4889
4890 static LRESULT
4891 TREEVIEW_Create(HWND hwnd, const CREATESTRUCTW *lpcs)
4892 {
4893 RECT rcClient;
4894 TREEVIEW_INFO *infoPtr;
4895 LOGFONTW lf;
4896
4897 TRACE("wnd %p, style %x\n", hwnd, GetWindowLongW(hwnd, GWL_STYLE));
4898
4899 infoPtr = Alloc(sizeof(TREEVIEW_INFO));
4900
4901 if (infoPtr == NULL)
4902 {
4903 ERR("could not allocate info memory!\n");
4904 return 0;
4905 }
4906
4907 SetWindowLongPtrW(hwnd, 0, (DWORD_PTR)infoPtr);
4908
4909 infoPtr->hwnd = hwnd;
4910 infoPtr->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
4911 infoPtr->Timer = 0;
4912 infoPtr->uNumItems = 0;
4913 infoPtr->cdmode = 0;
4914 infoPtr->uScrollTime = 300; /* milliseconds */
4915 infoPtr->bRedraw = TRUE;
4916
4917 GetClientRect(hwnd, &rcClient);
4918
4919 /* No scroll bars yet. */
4920 infoPtr->clientWidth = rcClient.right;
4921 infoPtr->clientHeight = rcClient.bottom;
4922 infoPtr->uInternalStatus = 0;
4923
4924 infoPtr->treeWidth = 0;
4925 infoPtr->treeHeight = 0;
4926
4927 infoPtr->uIndent = MINIMUM_INDENT;
4928 infoPtr->selectedItem = 0;
4929 infoPtr->focusedItem = 0;
4930 infoPtr->hotItem = 0;
4931 infoPtr->firstVisible = 0;
4932 infoPtr->maxVisibleOrder = 0;
4933 infoPtr->dropItem = 0;
4934 infoPtr->insertMarkItem = 0;
4935 infoPtr->insertBeforeorAfter = 0;
4936 /* dragList */
4937
4938 infoPtr->scrollX = 0;
4939
4940 infoPtr->clrBk = GetSysColor(COLOR_WINDOW);
4941 infoPtr->clrText = -1; /* use system color */
4942 infoPtr->clrLine = RGB(128, 128, 128);
4943 infoPtr->clrInsertMark = GetSysColor(COLOR_BTNTEXT);
4944
4945 /* hwndToolTip */
4946
4947 infoPtr->hwndEdit = 0;
4948 infoPtr->wpEditOrig = NULL;
4949 infoPtr->bIgnoreEditKillFocus = FALSE;
4950 infoPtr->bLabelChanged = FALSE;
4951
4952 infoPtr->himlNormal = NULL;
4953 infoPtr->himlState = NULL;
4954 infoPtr->normalImageWidth = 0;
4955 infoPtr->normalImageHeight = 0;
4956 infoPtr->stateImageWidth = 0;
4957 infoPtr->stateImageHeight = 0;
4958
4959 infoPtr->items = DPA_Create(16);
4960
4961 SystemParametersInfoW(SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, 0);
4962 infoPtr->hFont = infoPtr->hDefaultFont = CreateFontIndirectW(&lf);
4963 infoPtr->hBoldFont = TREEVIEW_CreateBoldFont(infoPtr->hFont);
4964 infoPtr->hUnderlineFont = TREEVIEW_CreateUnderlineFont(infoPtr->hFont);
4965 infoPtr->hcurHand = LoadCursorW(NULL, (LPWSTR)IDC_HAND);
4966
4967 infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
4968
4969 infoPtr->root = TREEVIEW_AllocateItem(infoPtr);
4970 infoPtr->root->state = TVIS_EXPANDED;
4971 infoPtr->root->iLevel = -1;
4972 infoPtr->root->visibleOrder = -1;
4973
4974 infoPtr->hwndNotify = lpcs->hwndParent;
4975 #if 0
4976 infoPtr->bTransparent = ( GetWindowLongW( hwnd, GWL_STYLE) & TBSTYLE_FLAT);
4977 #endif
4978
4979 infoPtr->hwndToolTip = 0;
4980
4981 infoPtr->bNtfUnicode = IsWindowUnicode (hwnd);
4982
4983 /* Determine what type of notify should be issued */
4984 /* sets infoPtr->bNtfUnicode */
4985 TREEVIEW_NotifyFormat(infoPtr, infoPtr->hwndNotify, NF_REQUERY);
4986
4987 if (!(infoPtr->dwStyle & TVS_NOTOOLTIPS))
4988 infoPtr->hwndToolTip = CreateWindowExW(0, TOOLTIPS_CLASSW, NULL, WS_POPUP,
4989 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
4990 hwnd, 0, 0, 0);
4991
4992 if (infoPtr->dwStyle & TVS_CHECKBOXES)
4993 initialize_checkboxes(infoPtr);
4994
4995 /* Make sure actual scrollbar state is consistent with uInternalStatus */
4996 ShowScrollBar(hwnd, SB_VERT, FALSE);
4997 ShowScrollBar(hwnd, SB_HORZ, FALSE);
4998
4999 OpenThemeData (hwnd, themeClass);
5000
5001 return 0;
5002 }
5003
5004
5005 static LRESULT
5006 TREEVIEW_Destroy(TREEVIEW_INFO *infoPtr)
5007 {
5008 TRACE("\n");
5009
5010 TREEVIEW_RemoveTree(infoPtr);
5011
5012 /* tool tip is automatically destroyed: we are its owner */
5013
5014 /* Restore original wndproc */
5015 if (infoPtr->hwndEdit)
5016 SetWindowLongPtrW(infoPtr->hwndEdit, GWLP_WNDPROC,
5017 (DWORD_PTR)infoPtr->wpEditOrig);
5018
5019 CloseThemeData (GetWindowTheme (infoPtr->hwnd));
5020
5021 /* Deassociate treeview from the window before doing anything drastic. */
5022 SetWindowLongPtrW(infoPtr->hwnd, 0, 0);
5023
5024
5025 DeleteObject(infoPtr->hDefaultFont);
5026 DeleteObject(infoPtr->hBoldFont);
5027 DeleteObject(infoPtr->hUnderlineFont);
5028 Free(infoPtr);
5029
5030 return 0;
5031 }
5032
5033 /* Miscellaneous Messages ***********************************************/
5034
5035 static LRESULT
5036 TREEVIEW_ScrollKeyDown(TREEVIEW_INFO *infoPtr, WPARAM key)
5037 {
5038 static const struct
5039 {
5040 unsigned char code;
5041 }
5042 scroll[] =
5043 {
5044 #define SCROLL_ENTRY(dir, code) { ((dir) << 7) | (code) }
5045 SCROLL_ENTRY(SB_VERT, SB_PAGEUP), /* VK_PRIOR */
5046 SCROLL_ENTRY(SB_VERT, SB_PAGEDOWN), /* VK_NEXT */
5047 SCROLL_ENTRY(SB_VERT, SB_BOTTOM), /* VK_END */
5048 SCROLL_ENTRY(SB_VERT, SB_TOP), /* VK_HOME */
5049 SCROLL_ENTRY(SB_HORZ, SB_LINEUP), /* VK_LEFT */
5050 SCROLL_ENTRY(SB_VERT, SB_LINEUP), /* VK_UP */
5051 SCROLL_ENTRY(SB_HORZ, SB_LINEDOWN), /* VK_RIGHT */
5052 SCROLL_ENTRY(SB_VERT, SB_LINEDOWN) /* VK_DOWN */
5053 #undef SCROLL_ENTRY
5054 };
5055
5056 if (key >= VK_PRIOR && key <= VK_DOWN)
5057 {
5058 unsigned char code = scroll[key - VK_PRIOR].code;
5059
5060 (((code & (1 << 7)) == (SB_HORZ << 7))
5061 ? TREEVIEW_HScroll
5062 : TREEVIEW_VScroll)(infoPtr, code & 0x7F);
5063 }
5064
5065 return 0;
5066 }
5067
5068 /************************************************************************
5069 * TREEVIEW_KeyDown
5070 *
5071 * VK_UP Move selection to the previous non-hidden item.
5072 * VK_DOWN Move selection to the next non-hidden item.
5073 * VK_HOME Move selection to the first item.
5074 * VK_END Move selection to the last item.
5075 * VK_LEFT If expanded then collapse, otherwise move to parent.
5076 * VK_RIGHT If collapsed then expand, otherwise move to first child.
5077 * VK_ADD Expand.
5078 * VK_SUBTRACT Collapse.
5079 * VK_MULTIPLY Expand all.
5080 * VK_PRIOR Move up GetVisibleCount items.
5081 * VK_NEXT Move down GetVisibleCount items.
5082 * VK_BACK Move to parent.
5083 * CTRL-Left,Right,Up,Down,PgUp,PgDown,Home,End: Scroll without changing selection
5084 */
5085 static LRESULT
5086 TREEVIEW_KeyDown(TREEVIEW_INFO *infoPtr, WPARAM wParam)
5087 {
5088 /* If it is non-NULL and different, it will be selected and visible. */
5089 TREEVIEW_ITEM *newSelection = NULL;
5090
5091 TREEVIEW_ITEM *prevItem = infoPtr->selectedItem;
5092
5093 TRACE("%lx\n", wParam);
5094
5095 if (prevItem == NULL)
5096 return FALSE;
5097
5098 if (GetAsyncKeyState(VK_CONTROL) & 0x8000)
5099 return TREEVIEW_ScrollKeyDown(infoPtr, wParam);
5100
5101 switch (wParam)
5102 {
5103 case VK_UP:
5104 newSelection = TREEVIEW_GetPrevListItem(infoPtr, prevItem);
5105 if (!newSelection)
5106 newSelection = infoPtr->root->firstChild;
5107 break;
5108
5109 case VK_DOWN:
5110 newSelection = TREEVIEW_GetNextListItem(infoPtr, prevItem);
5111 break;
5112
5113 case VK_HOME:
5114 newSelection = infoPtr->root->firstChild;
5115 break;
5116
5117 case VK_END:
5118 newSelection = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
5119 break;
5120
5121 case VK_LEFT:
5122 if (prevItem->state & TVIS_EXPANDED)
5123 {
5124 TREEVIEW_Collapse(infoPtr, prevItem, FALSE, TRUE);
5125 }
5126 else if (prevItem->parent != infoPtr->root)
5127 {
5128 newSelection = prevItem->parent;
5129 }
5130 break;
5131
5132 case VK_RIGHT:
5133 if (TREEVIEW_HasChildren(infoPtr, prevItem))
5134 {
5135 if (!(prevItem->state & TVIS_EXPANDED))
5136 TREEVIEW_Expand(infoPtr, prevItem, FALSE, TRUE);
5137 else
5138 {
5139 newSelection = prevItem->firstChild;
5140 }
5141 }
5142
5143 break;
5144
5145 case VK_MULTIPLY:
5146 TREEVIEW_ExpandAll(infoPtr, prevItem);
5147 break;
5148
5149 case VK_ADD:
5150 if (!(prevItem->state & TVIS_EXPANDED))
5151 TREEVIEW_Expand(infoPtr, prevItem, FALSE, TRUE);
5152 break;
5153
5154 case VK_SUBTRACT:
5155 if (prevItem->state & TVIS_EXPANDED)
5156 TREEVIEW_Collapse(infoPtr, prevItem, FALSE, TRUE);
5157 break;
5158
5159 case VK_PRIOR:
5160 newSelection
5161 = TREEVIEW_GetListItem(infoPtr, prevItem,
5162 -TREEVIEW_GetVisibleCount(infoPtr));
5163 break;
5164
5165 case VK_NEXT:
5166 newSelection
5167 = TREEVIEW_GetListItem(infoPtr, prevItem,
5168 TREEVIEW_GetVisibleCount(infoPtr));
5169 break;
5170
5171 case VK_BACK:
5172 newSelection = prevItem->parent;
5173 if (newSelection == infoPtr->root)
5174 newSelection = NULL;
5175 break;
5176
5177 case VK_SPACE:
5178 if (infoPtr->dwStyle & TVS_CHECKBOXES)
5179 TREEVIEW_ToggleItemState(infoPtr, prevItem);
5180 break;
5181 }
5182
5183 if (newSelection && newSelection != prevItem)
5184 {
5185 if (TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, newSelection,
5186 TVC_BYKEYBOARD))
5187 {
5188 TREEVIEW_EnsureVisible(infoPtr, newSelection, FALSE);
5189 }
5190 }
5191
5192 return FALSE;
5193 }
5194
5195 static LRESULT
5196 TREEVIEW_MouseLeave (TREEVIEW_INFO * infoPtr)
5197 {
5198 if (infoPtr->hotItem)
5199 {
5200 /* remove hot effect from item */
5201 InvalidateRect(infoPtr->hwnd, &infoPtr->hotItem->rect, TRUE);
5202 infoPtr->hotItem = NULL;
5203 }
5204 return 0;
5205 }
5206
5207 static LRESULT
5208 TREEVIEW_MouseMove (TREEVIEW_INFO * infoPtr, LPARAM lParam)
5209 {
5210 POINT pt;
5211 TRACKMOUSEEVENT trackinfo;
5212 TREEVIEW_ITEM * item;
5213
5214 /* fill in the TRACKMOUSEEVENT struct */
5215 trackinfo.cbSize = sizeof(TRACKMOUSEEVENT);
5216 trackinfo.dwFlags = TME_QUERY;
5217 trackinfo.hwndTrack = infoPtr->hwnd;
5218 trackinfo.dwHoverTime = HOVER_DEFAULT;
5219
5220 /* call _TrackMouseEvent to see if we are currently tracking for this hwnd */
5221 _TrackMouseEvent(&trackinfo);
5222
5223 /* Make sure tracking is enabled so we receive a WM_MOUSELEAVE message */
5224 if(!(trackinfo.dwFlags & TME_LEAVE))
5225 {
5226 trackinfo.dwFlags = TME_LEAVE; /* notify upon leaving */
5227
5228 /* call TRACKMOUSEEVENT so we receive a WM_MOUSELEAVE message */
5229 /* and can properly deactivate the hot item */
5230 _TrackMouseEvent(&trackinfo);
5231 }
5232
5233 pt.x = (short)LOWORD(lParam);
5234 pt.y = (short)HIWORD(lParam);
5235
5236 item = TREEVIEW_HitTestPoint(infoPtr, pt);
5237
5238 if (item != infoPtr->hotItem)
5239 {
5240 /* redraw old hot item */
5241 if (infoPtr->hotItem)
5242 InvalidateRect(infoPtr->hwnd, &infoPtr->hotItem->rect, TRUE);
5243 infoPtr->hotItem = item;
5244 /* redraw new hot item */
5245 if (infoPtr->hotItem)
5246 InvalidateRect(infoPtr->hwnd, &infoPtr->hotItem->rect, TRUE);
5247 }
5248
5249 return 0;
5250 }
5251
5252 /* Draw themed border */
5253 static BOOL nc_paint (const TREEVIEW_INFO *infoPtr, HRGN region)
5254 {
5255 HTHEME theme = GetWindowTheme (infoPtr->hwnd);
5256 HDC dc;
5257 RECT r;
5258 HRGN cliprgn;
5259 int cxEdge = GetSystemMetrics (SM_CXEDGE),
5260 cyEdge = GetSystemMetrics (SM_CYEDGE);
5261
5262 if (!theme) return FALSE;
5263
5264 GetWindowRect(infoPtr->hwnd, &r);
5265
5266 cliprgn = CreateRectRgn (r.left + cxEdge, r.top + cyEdge,
5267 r.right - cxEdge, r.bottom - cyEdge);
5268 if (region != (HRGN)1)
5269 CombineRgn (cliprgn, cliprgn, region, RGN_AND);
5270 OffsetRect(&r, -r.left, -r.top);
5271
5272 dc = GetDCEx(infoPtr->hwnd, region, DCX_WINDOW|DCX_INTERSECTRGN);
5273 OffsetRect(&r, -r.left, -r.top);
5274
5275 if (IsThemeBackgroundPartiallyTransparent (theme, 0, 0))
5276 DrawThemeParentBackground(infoPtr->hwnd, dc, &r);
5277 DrawThemeBackground (theme, dc, 0, 0, &r, 0);
5278 ReleaseDC(infoPtr->hwnd, dc);
5279
5280 /* Call default proc to get the scrollbars etc. painted */
5281 DefWindowProcW (infoPtr->hwnd, WM_NCPAINT, (WPARAM)cliprgn, 0);
5282
5283 return TRUE;
5284 }
5285
5286 static LRESULT
5287 TREEVIEW_Notify(const TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5288 {
5289 LPNMHDR lpnmh = (LPNMHDR)lParam;
5290
5291 if (lpnmh->code == PGN_CALCSIZE) {
5292 LPNMPGCALCSIZE lppgc = (LPNMPGCALCSIZE)lParam;
5293
5294 if (lppgc->dwFlag == PGF_CALCWIDTH) {
5295 lppgc->iWidth = infoPtr->treeWidth;
5296 TRACE("got PGN_CALCSIZE, returning horz size = %d, client=%d\n",
5297 infoPtr->treeWidth, infoPtr->clientWidth);
5298 }
5299 else {
5300 lppgc->iHeight = infoPtr->treeHeight;
5301 TRACE("got PGN_CALCSIZE, returning vert size = %d, client=%d\n",
5302 infoPtr->treeHeight, infoPtr->clientHeight);
5303 }
5304 return 0;
5305 }
5306 return DefWindowProcW(infoPtr->hwnd, WM_NOTIFY, wParam, lParam);
5307 }
5308
5309 static INT TREEVIEW_NotifyFormat (TREEVIEW_INFO *infoPtr, HWND hwndFrom, UINT nCommand)
5310 {
5311 INT format;
5312
5313 TRACE("(hwndFrom=%p, nCommand=%d)\n", hwndFrom, nCommand);
5314
5315 if (nCommand != NF_REQUERY) return 0;
5316
5317 format = SendMessageW(hwndFrom, WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwnd, NF_QUERY);
5318 TRACE("format=%d\n", format);
5319
5320 if (format != NFR_ANSI && format != NFR_UNICODE) return 0;
5321
5322 infoPtr->bNtfUnicode = (format == NFR_UNICODE);
5323
5324 return format;
5325 }
5326
5327 static LRESULT
5328 TREEVIEW_Size(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5329 {
5330 if (wParam == SIZE_RESTORED)
5331 {
5332 infoPtr->clientWidth = (short)LOWORD(lParam);
5333 infoPtr->clientHeight = (short)HIWORD(lParam);
5334
5335 TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
5336 TREEVIEW_SetFirstVisible(infoPtr, infoPtr->firstVisible, TRUE);
5337 TREEVIEW_UpdateScrollBars(infoPtr);
5338 }
5339 else
5340 {
5341 FIXME("WM_SIZE flag %lx %lx not handled\n", wParam, lParam);
5342 }
5343
5344 TREEVIEW_Invalidate(infoPtr, NULL);
5345 return 0;
5346 }
5347
5348 static LRESULT
5349 TREEVIEW_StyleChanged(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5350 {
5351 TRACE("(%lx %lx)\n", wParam, lParam);
5352
5353 if (wParam == GWL_STYLE)
5354 {
5355 DWORD dwNewStyle = ((LPSTYLESTRUCT)lParam)->styleNew;
5356
5357 if ((infoPtr->dwStyle ^ dwNewStyle) & TVS_CHECKBOXES)
5358 {
5359 if (dwNewStyle & TVS_CHECKBOXES)
5360 {
5361 initialize_checkboxes(infoPtr);
5362 TRACE("checkboxes enabled\n");
5363 }
5364 else
5365 {
5366 FIXME("tried to disable checkboxes\n");
5367 }
5368 }
5369
5370 if ((infoPtr->dwStyle ^ dwNewStyle) & TVS_NOTOOLTIPS)
5371 {
5372 if (infoPtr->dwStyle & TVS_NOTOOLTIPS)
5373 {
5374 infoPtr->hwndToolTip = COMCTL32_CreateToolTip(infoPtr->hwnd);
5375 TRACE("tooltips enabled\n");
5376 }
5377 else
5378 {
5379 DestroyWindow(infoPtr->hwndToolTip);
5380 infoPtr->hwndToolTip = 0;
5381 TRACE("tooltips disabled\n");
5382 }
5383 }
5384
5385 infoPtr->dwStyle = dwNewStyle;
5386 }
5387
5388 TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
5389 TREEVIEW_UpdateScrollBars(infoPtr);
5390 TREEVIEW_Invalidate(infoPtr, NULL);
5391
5392 return 0;
5393 }
5394
5395 static LRESULT
5396 TREEVIEW_SetCursor(const TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
5397 {
5398 POINT pt;
5399 TREEVIEW_ITEM * item;
5400
5401 GetCursorPos(&pt);
5402 ScreenToClient(infoPtr->hwnd, &pt);
5403
5404 item = TREEVIEW_HitTestPoint(infoPtr, pt);
5405
5406 /* FIXME: send NM_SETCURSOR */
5407
5408 if (item && (infoPtr->dwStyle & TVS_TRACKSELECT))
5409 {
5410 SetCursor(infoPtr->hcurHand);
5411 return 0;
5412 }
5413 else
5414 return DefWindowProcW(infoPtr->hwnd, WM_SETCURSOR, wParam, lParam);
5415 }
5416
5417 static LRESULT
5418 TREEVIEW_SetFocus(TREEVIEW_INFO *infoPtr)
5419 {
5420 TRACE("\n");
5421
5422 if (!infoPtr->selectedItem)
5423 {
5424 TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, infoPtr->firstVisible,
5425 TVC_UNKNOWN);
5426 }
5427
5428 TREEVIEW_Invalidate(infoPtr, infoPtr->selectedItem);
5429 TREEVIEW_SendSimpleNotify(infoPtr, NM_SETFOCUS);
5430 return 0;
5431 }
5432
5433 static LRESULT
5434 TREEVIEW_KillFocus(const TREEVIEW_INFO *infoPtr)
5435 {
5436 TRACE("\n");
5437
5438 TREEVIEW_Invalidate(infoPtr, infoPtr->selectedItem);
5439 UpdateWindow(infoPtr->hwnd);
5440 TREEVIEW_SendSimpleNotify(infoPtr, NM_KILLFOCUS);
5441 return 0;
5442 }
5443
5444 /* update theme after a WM_THEMECHANGED message */
5445 static LRESULT theme_changed(const TREEVIEW_INFO *infoPtr)
5446 {
5447 HTHEME theme = GetWindowTheme (infoPtr->hwnd);
5448 CloseThemeData (theme);
5449 OpenThemeData (infoPtr->hwnd, themeClass);
5450 return 0;
5451 }
5452
5453
5454 static LRESULT WINAPI
5455 TREEVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
5456 {
5457 TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(hwnd);
5458
5459 TRACE("hwnd %p msg %04x wp=%08lx lp=%08lx\n", hwnd, uMsg, wParam, lParam);
5460
5461 if (infoPtr) TREEVIEW_VerifyTree(infoPtr);
5462 else
5463 {
5464 if (uMsg == WM_CREATE)
5465 TREEVIEW_Create(hwnd, (LPCREATESTRUCTW)lParam);
5466 else
5467 goto def;
5468 }
5469
5470 switch (uMsg)
5471 {
5472 case TVM_CREATEDRAGIMAGE:
5473 return TREEVIEW_CreateDragImage(infoPtr, lParam);
5474
5475 case TVM_DELETEITEM:
5476 return TREEVIEW_DeleteItem(infoPtr, (HTREEITEM)lParam);
5477
5478 case TVM_EDITLABELA:
5479 return (LRESULT)TREEVIEW_EditLabel(infoPtr, (HTREEITEM)lParam);
5480
5481 case TVM_EDITLABELW:
5482 return (LRESULT)TREEVIEW_EditLabel(infoPtr, (HTREEITEM)lParam);
5483
5484 case TVM_ENDEDITLABELNOW:
5485 return TREEVIEW_EndEditLabelNow(infoPtr, (BOOL)wParam);
5486
5487 case TVM_ENSUREVISIBLE:
5488 return TREEVIEW_EnsureVisible(infoPtr, (HTREEITEM)lParam, TRUE);
5489
5490 case TVM_EXPAND:
5491 return TREEVIEW_ExpandMsg(infoPtr, (UINT)wParam, (HTREEITEM)lParam);
5492
5493 case TVM_GETBKCOLOR:
5494 return TREEVIEW_GetBkColor(infoPtr);
5495
5496 case TVM_GETCOUNT:
5497 return TREEVIEW_GetCount(infoPtr);
5498
5499 case TVM_GETEDITCONTROL:
5500 return TREEVIEW_GetEditControl(infoPtr);
5501
5502 case TVM_GETIMAGELIST:
5503 return TREEVIEW_GetImageList(infoPtr, wParam);
5504
5505 case TVM_GETINDENT:
5506 return TREEVIEW_GetIndent(infoPtr);
5507
5508 case TVM_GETINSERTMARKCOLOR:
5509 return TREEVIEW_GetInsertMarkColor(infoPtr);
5510
5511 case TVM_GETISEARCHSTRINGA:
5512 FIXME("Unimplemented msg TVM_GETISEARCHSTRINGA\n");
5513 return 0;
5514
5515 case TVM_GETISEARCHSTRINGW:
5516 FIXME("Unimplemented msg TVM_GETISEARCHSTRINGW\n");
5517 return 0;
5518
5519 case TVM_GETITEMA:
5520 return TREEVIEW_GetItemT(infoPtr, (LPTVITEMEXW)lParam, FALSE);
5521
5522 case TVM_GETITEMW:
5523 return TREEVIEW_GetItemT(infoPtr, (LPTVITEMEXW)lParam, TRUE);
5524
5525 case TVM_GETITEMHEIGHT:
5526 return TREEVIEW_GetItemHeight(infoPtr);
5527
5528 case TVM_GETITEMRECT:
5529 return TREEVIEW_GetItemRect(infoPtr, (BOOL)wParam, (LPRECT)lParam);
5530
5531 case TVM_GETITEMSTATE:
5532 return TREEVIEW_GetItemState(infoPtr, (HTREEITEM)wParam, (UINT)lParam);
5533
5534 case TVM_GETLINECOLOR:
5535 return TREEVIEW_GetLineColor(infoPtr);
5536
5537 case TVM_GETNEXTITEM:
5538 return TREEVIEW_GetNextItem(infoPtr, (UINT)wParam, (HTREEITEM)lParam);
5539
5540 case TVM_GETSCROLLTIME:
5541 return TREEVIEW_GetScrollTime(infoPtr);
5542
5543 case TVM_GETTEXTCOLOR:
5544 return TREEVIEW_GetTextColor(infoPtr);
5545
5546 case TVM_GETTOOLTIPS:
5547 return TREEVIEW_GetToolTips(infoPtr);
5548
5549 case TVM_GETUNICODEFORMAT:
5550 return TREEVIEW_GetUnicodeFormat(infoPtr);
5551
5552 case TVM_GETVISIBLECOUNT:
5553 return TREEVIEW_GetVisibleCount(infoPtr);
5554
5555 case TVM_HITTEST:
5556 return TREEVIEW_HitTest(infoPtr, (LPTVHITTESTINFO)lParam);
5557
5558 case TVM_INSERTITEMA:
5559 return TREEVIEW_InsertItemT(infoPtr, (LPTVINSERTSTRUCTW)lParam, FALSE);
5560
5561 case TVM_INSERTITEMW:
5562 return TREEVIEW_InsertItemT(infoPtr, (LPTVINSERTSTRUCTW)lParam, TRUE);
5563
5564 case TVM_SELECTITEM:
5565 return TREEVIEW_SelectItem(infoPtr, (INT)wParam, (HTREEITEM)lParam);
5566
5567 case TVM_SETBKCOLOR:
5568 return TREEVIEW_SetBkColor(infoPtr, (COLORREF)lParam);
5569
5570 case TVM_SETIMAGELIST:
5571 return TREEVIEW_SetImageList(infoPtr, wParam, (HIMAGELIST)lParam);
5572
5573 case TVM_SETINDENT:
5574 return TREEVIEW_SetIndent(infoPtr, (UINT)wParam);
5575
5576 case TVM_SETINSERTMARK:
5577 return TREEVIEW_SetInsertMark(infoPtr, (BOOL)wParam, (HTREEITEM)lParam);
5578
5579 case TVM_SETINSERTMARKCOLOR:
5580 return TREEVIEW_SetInsertMarkColor(infoPtr, (COLORREF)lParam);
5581
5582 case TVM_SETITEMA:
5583 return TREEVIEW_SetItemT(infoPtr, (LPTVITEMEXW)lParam, FALSE);
5584
5585 case TVM_SETITEMW:
5586 return TREEVIEW_SetItemT(infoPtr, (LPTVITEMEXW)lParam, TRUE);
5587
5588 case TVM_SETLINECOLOR:
5589 return TREEVIEW_SetLineColor(infoPtr, (COLORREF)lParam);
5590
5591 case TVM_SETITEMHEIGHT:
5592 return TREEVIEW_SetItemHeight(infoPtr, (INT)(SHORT)wParam);
5593
5594 case TVM_SETSCROLLTIME:
5595 return TREEVIEW_SetScrollTime(infoPtr, (UINT)wParam);
5596
5597 case TVM_SETTEXTCOLOR:
5598 return TREEVIEW_SetTextColor(infoPtr, (COLORREF)lParam);
5599
5600 case TVM_SETTOOLTIPS:
5601 return TREEVIEW_SetToolTips(infoPtr, (HWND)wParam);
5602
5603 case TVM_SETUNICODEFORMAT:
5604 return TREEVIEW_SetUnicodeFormat(infoPtr, (BOOL)wParam);
5605
5606 case TVM_SORTCHILDREN:
5607 return TREEVIEW_SortChildren(infoPtr, lParam);
5608
5609 case TVM_SORTCHILDRENCB:
5610 return TREEVIEW_SortChildrenCB(infoPtr, (LPTVSORTCB)lParam);
5611
5612 case WM_CHAR:
5613 return TREEVIEW_ProcessLetterKeys( hwnd, wParam, lParam );
5614
5615 case WM_COMMAND:
5616 return TREEVIEW_Command(infoPtr, wParam, lParam);
5617
5618 case WM_DESTROY:
5619 return TREEVIEW_Destroy(infoPtr);
5620
5621 /* WM_ENABLE */
5622
5623 case WM_ERASEBKGND:
5624 return TREEVIEW_EraseBackground(infoPtr, (HDC)wParam);
5625
5626 case WM_GETDLGCODE:
5627 return DLGC_WANTARROWS | DLGC_WANTCHARS;
5628
5629 case WM_GETFONT:
5630 return TREEVIEW_GetFont(infoPtr);
5631
5632 case WM_HSCROLL:
5633 return TREEVIEW_HScroll(infoPtr, wParam);
5634
5635 case WM_KEYDOWN:
5636 return TREEVIEW_KeyDown(infoPtr, wParam);
5637
5638 case WM_KILLFOCUS:
5639 return TREEVIEW_KillFocus(infoPtr);
5640
5641 case WM_LBUTTONDBLCLK:
5642 return TREEVIEW_LButtonDoubleClick(infoPtr, lParam);
5643
5644 case WM_LBUTTONDOWN:
5645 return TREEVIEW_LButtonDown(infoPtr, lParam);
5646
5647 /* WM_MBUTTONDOWN */
5648
5649 case WM_MOUSELEAVE:
5650 return TREEVIEW_MouseLeave(infoPtr);
5651
5652 case WM_MOUSEMOVE:
5653 if (infoPtr->dwStyle & TVS_TRACKSELECT)
5654 return TREEVIEW_MouseMove(infoPtr, lParam);
5655 else
5656 return 0;
5657
5658 case WM_NCLBUTTONDOWN:
5659 if (infoPtr->hwndEdit)
5660 SetFocus(infoPtr->hwnd);
5661 goto def;
5662
5663 case WM_NCPAINT:
5664 if (nc_paint (infoPtr, (HRGN)wParam))
5665 return 0;
5666 goto def;
5667
5668 case WM_NOTIFY:
5669 return TREEVIEW_Notify(infoPtr, wParam, lParam);
5670
5671 case WM_NOTIFYFORMAT:
5672 return TREEVIEW_NotifyFormat(infoPtr, (HWND)wParam, (UINT)lParam);
5673
5674 case WM_PRINTCLIENT:
5675 case WM_PAINT:
5676 return TREEVIEW_Paint(infoPtr, wParam);
5677
5678 case WM_RBUTTONDOWN:
5679 return TREEVIEW_RButtonDown(infoPtr, lParam);
5680
5681 case WM_SETCURSOR:
5682 return TREEVIEW_SetCursor(infoPtr, wParam, lParam);
5683
5684 case WM_SETFOCUS:
5685 return TREEVIEW_SetFocus(infoPtr);
5686
5687 case WM_SETFONT:
5688 return TREEVIEW_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
5689
5690 case WM_SETREDRAW:
5691 return TREEVIEW_SetRedraw(infoPtr, wParam);
5692
5693 case WM_SIZE:
5694 return TREEVIEW_Size(infoPtr, wParam, lParam);
5695
5696 case WM_STYLECHANGED:
5697 return TREEVIEW_StyleChanged(infoPtr, wParam, lParam);
5698
5699 /* WM_SYSCOLORCHANGE */
5700
5701 /* WM_SYSKEYDOWN */
5702
5703 case WM_TIMER:
5704 return TREEVIEW_HandleTimer(infoPtr, wParam);
5705
5706 case WM_THEMECHANGED:
5707 return theme_changed (infoPtr);
5708
5709 case WM_VSCROLL:
5710 return TREEVIEW_VScroll(infoPtr, wParam);
5711
5712 /* WM_WININICHANGE */
5713
5714 case WM_MOUSEWHEEL:
5715 if (wParam & (MK_SHIFT | MK_CONTROL))
5716 goto def;
5717 return TREEVIEW_MouseWheel(infoPtr, wParam);
5718
5719 case WM_DRAWITEM:
5720 TRACE("drawItem\n");
5721 goto def;
5722
5723 default:
5724 /* This mostly catches MFC and Delphi messages. :( */
5725 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
5726 TRACE("Unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
5727 def:
5728 return DefWindowProcW(hwnd, uMsg, wParam, lParam);
5729 }
5730 }
5731
5732
5733 /* Class Registration ***************************************************/
5734
5735 VOID
5736 TREEVIEW_Register(void)
5737 {
5738 WNDCLASSW wndClass;
5739
5740 TRACE("\n");
5741
5742 ZeroMemory(&wndClass, sizeof(WNDCLASSW));
5743 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
5744 wndClass.lpfnWndProc = TREEVIEW_WindowProc;
5745 wndClass.cbClsExtra = 0;
5746 wndClass.cbWndExtra = sizeof(TREEVIEW_INFO *);
5747
5748 wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
5749 wndClass.hbrBackground = 0;
5750 wndClass.lpszClassName = WC_TREEVIEWW;
5751
5752 RegisterClassW(&wndClass);
5753 }
5754
5755
5756 VOID
5757 TREEVIEW_Unregister(void)
5758 {
5759 UnregisterClassW(WC_TREEVIEWW, NULL);
5760 }
5761
5762
5763 /* Tree Verification ****************************************************/
5764
5765 #ifdef NDEBUG
5766 static inline void
5767 TREEVIEW_VerifyChildren(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item);
5768
5769 static inline void TREEVIEW_VerifyItemCommon(TREEVIEW_INFO *infoPtr,
5770 TREEVIEW_ITEM *item)
5771 {
5772 assert(infoPtr != NULL);
5773 assert(item != NULL);
5774
5775 /* both NULL, or both non-null */
5776 assert((item->firstChild == NULL) == (item->lastChild == NULL));
5777
5778 assert(item->firstChild != item);
5779 assert(item->lastChild != item);
5780
5781 if (item->firstChild)
5782 {
5783 assert(item->firstChild->parent == item);
5784 assert(item->firstChild->prevSibling == NULL);
5785 }
5786
5787 if (item->lastChild)
5788 {
5789 assert(item->lastChild->parent == item);
5790 assert(item->lastChild->nextSibling == NULL);
5791 }
5792
5793 assert(item->nextSibling != item);
5794 if (item->nextSibling)
5795 {
5796 assert(item->nextSibling->parent == item->parent);
5797 assert(item->nextSibling->prevSibling == item);
5798 }
5799
5800 assert(item->prevSibling != item);
5801 if (item->prevSibling)
5802 {
5803 assert(item->prevSibling->parent == item->parent);
5804 assert(item->prevSibling->nextSibling == item);
5805 }
5806 }
5807
5808 static inline void
5809 TREEVIEW_VerifyItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
5810 {
5811 assert(item != NULL);
5812
5813 assert(item->parent != NULL);
5814 assert(item->parent != item);
5815 assert(item->iLevel == item->parent->iLevel + 1);
5816
5817 assert(DPA_GetPtrIndex(infoPtr->items, item) != -1);
5818
5819 TREEVIEW_VerifyItemCommon(infoPtr, item);
5820
5821 TREEVIEW_VerifyChildren(infoPtr, item);
5822 }
5823
5824 static inline void
5825 TREEVIEW_VerifyChildren(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
5826 {
5827 TREEVIEW_ITEM *child;
5828 assert(item != NULL);
5829
5830 for (child = item->firstChild; child != NULL; child = child->nextSibling)
5831 TREEVIEW_VerifyItem(infoPtr, child);
5832 }
5833
5834 static inline void
5835 TREEVIEW_VerifyRoot(TREEVIEW_INFO *infoPtr)
5836 {
5837 TREEVIEW_ITEM *root = infoPtr->root;
5838
5839 assert(root != NULL);
5840 assert(root->iLevel == -1);
5841 assert(root->parent == NULL);
5842 assert(root->prevSibling == NULL);
5843
5844 TREEVIEW_VerifyItemCommon(infoPtr, root);
5845
5846 TREEVIEW_VerifyChildren(infoPtr, root);
5847 }
5848
5849 static void
5850 TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr)
5851 {
5852 assert(infoPtr != NULL);
5853
5854 TREEVIEW_VerifyRoot(infoPtr);
5855 }
5856 #endif