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gdiplus/tests: Add tests for GdipMeasureString with StringFormatFlagsNoWrap.
[wine.git] / dlls / comctl32 / updown.c
blob54fc3f3af03ebb2d1f0d88c3eee7c499fdda7136
1 /*
2 * Updown control
3 *
4 * Copyright 1997, 2002 Dimitrie O. Paun
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <assert.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <stdarg.h>
25 #include <stdio.h>
26
27 #include "windef.h"
28 #include "winbase.h"
29 #include "wingdi.h"
30 #include "winuser.h"
31 #include "winnls.h"
32 #include "commctrl.h"
33 #include "comctl32.h"
34 #include "uxtheme.h"
35 #include "vssym32.h"
36 #include "wine/heap.h"
37 #include "wine/debug.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(updown);
40
41 typedef struct
42 {
43 HWND Self; /* Handle to this up-down control */
44 HWND Notify; /* Handle to the parent window */
45 DWORD dwStyle; /* The GWL_STYLE for this window */
46 UINT AccelCount; /* Number of elements in AccelVect */
47 UDACCEL* AccelVect; /* Vector containing AccelCount elements */
48 INT AccelIndex; /* Current accel index, -1 if not accel'ing */
49 INT Base; /* Base to display nr in the buddy window */
50 INT CurVal; /* Current up-down value */
51 INT MinVal; /* Minimum up-down value */
52 INT MaxVal; /* Maximum up-down value */
53 HWND Buddy; /* Handle to the buddy window */
54 INT BuddyType; /* Remembers the buddy type BUDDY_TYPE_* */
55 INT Flags; /* Internal Flags FLAG_* */
56 BOOL UnicodeFormat; /* Marks the use of Unicode internally */
57 } UPDOWN_INFO;
58
59 /* Control configuration constants */
60
61 #define INITIAL_DELAY 500 /* initial timer until auto-inc kicks in */
62 #define AUTOPRESS_DELAY 250 /* time to keep arrow pressed on KEY_DOWN */
63 #define REPEAT_DELAY 50 /* delay between auto-increments */
64
65 #define DEFAULT_WIDTH 16 /* default width of the ctrl */
66 #define DEFAULT_XSEP 0 /* default separation between buddy and ctrl */
67 #define DEFAULT_ADDTOP 0 /* amount to extend above the buddy window */
68 #define DEFAULT_ADDBOT 0 /* amount to extend below the buddy window */
69 #define DEFAULT_BUDDYBORDER 2 /* Width/height of the buddy border */
70 #define DEFAULT_BUDDYSPACER 2 /* Spacer between the buddy and the ctrl */
71 #define DEFAULT_BUDDYBORDER_THEMED 1 /* buddy border when theming is enabled */
72 #define DEFAULT_BUDDYSPACER_THEMED 0 /* buddy spacer when theming is enabled */
73
74 /* Work constants */
75
76 #define FLAG_INCR 0x01
77 #define FLAG_DECR 0x02
78 #define FLAG_MOUSEIN 0x04
79 #define FLAG_PRESSED 0x08
80 #define FLAG_BUDDYINT 0x10 /* UDS_SETBUDDYINT was set on creation */
81 #define FLAG_ARROW (FLAG_INCR | FLAG_DECR)
82
83 #define BUDDY_TYPE_UNKNOWN 0
84 #define BUDDY_TYPE_LISTBOX 1
85 #define BUDDY_TYPE_EDIT 2
86
87 #define TIMER_AUTOREPEAT 1
88 #define TIMER_ACCEL 2
89 #define TIMER_AUTOPRESS 3
90
91 #define UPDOWN_GetInfoPtr(hwnd) ((UPDOWN_INFO *)GetWindowLongPtrW (hwnd,0))
92
93 /* id used for SetWindowSubclass */
94 #define BUDDY_SUBCLASSID 1
95
96 static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action);
97
98 /***********************************************************************
99 * UPDOWN_IsBuddyEdit
100 * Tests if our buddy is an edit control.
101 */
102 static inline BOOL UPDOWN_IsBuddyEdit(const UPDOWN_INFO *infoPtr)
103 {
104 return infoPtr->BuddyType == BUDDY_TYPE_EDIT;
105 }
106
107 /***********************************************************************
108 * UPDOWN_IsBuddyListbox
109 * Tests if our buddy is a listbox control.
110 */
111 static inline BOOL UPDOWN_IsBuddyListbox(const UPDOWN_INFO *infoPtr)
112 {
113 return infoPtr->BuddyType == BUDDY_TYPE_LISTBOX;
114 }
115
116 /***********************************************************************
117 * UPDOWN_InBounds
118 * Tests if a given value 'val' is between the Min&Max limits
119 */
120 static BOOL UPDOWN_InBounds(const UPDOWN_INFO *infoPtr, int val)
121 {
122 if(infoPtr->MaxVal > infoPtr->MinVal)
123 return (infoPtr->MinVal <= val) && (val <= infoPtr->MaxVal);
124 else
125 return (infoPtr->MaxVal <= val) && (val <= infoPtr->MinVal);
126 }
127
128 /***********************************************************************
129 * UPDOWN_OffsetVal
130 * Change the current value by delta.
131 * It returns TRUE is the value was changed successfully, or FALSE
132 * if the value was not changed, as it would go out of bounds.
133 */
134 static BOOL UPDOWN_OffsetVal(UPDOWN_INFO *infoPtr, int delta)
135 {
136 /* check if we can do the modification first */
137 if(!UPDOWN_InBounds (infoPtr, infoPtr->CurVal+delta)) {
138 if (infoPtr->dwStyle & UDS_WRAP) {
139 delta += (delta < 0 ? -1 : 1) *
140 (infoPtr->MaxVal < infoPtr->MinVal ? -1 : 1) *
141 (infoPtr->MinVal - infoPtr->MaxVal) +
142 (delta < 0 ? 1 : -1);
143 } else if ((infoPtr->MaxVal > infoPtr->MinVal && infoPtr->CurVal+delta > infoPtr->MaxVal)
144 || (infoPtr->MaxVal < infoPtr->MinVal && infoPtr->CurVal+delta < infoPtr->MaxVal)) {
145 delta = infoPtr->MaxVal - infoPtr->CurVal;
146 } else {
147 delta = infoPtr->MinVal - infoPtr->CurVal;
148 }
149 }
150
151 infoPtr->CurVal += delta;
152 return delta != 0;
153 }
154
155 /***********************************************************************
156 * UPDOWN_HasBuddyBorder
157 *
158 * When we have a buddy set and that we are aligned on our buddy, we
159 * want to draw a sunken edge to make like we are part of that control.
160 */
161 static BOOL UPDOWN_HasBuddyBorder(const UPDOWN_INFO *infoPtr)
162 {
163 return ( ((infoPtr->dwStyle & (UDS_ALIGNLEFT | UDS_ALIGNRIGHT)) != 0) &&
164 UPDOWN_IsBuddyEdit(infoPtr) );
165 }
166
167 /***********************************************************************
168 * UPDOWN_GetArrowRect
169 * wndPtr - pointer to the up-down wnd
170 * rect - will hold the rectangle
171 * arrow - FLAG_INCR to get the "increment" rect (up or right)
172 * FLAG_DECR to get the "decrement" rect (down or left)
173 */
174 static void UPDOWN_GetArrowRect (const UPDOWN_INFO* infoPtr, RECT *rect, unsigned int arrow)
175 {
176 HTHEME theme = GetWindowTheme (infoPtr->Self);
177 const int border = theme ? DEFAULT_BUDDYBORDER_THEMED : DEFAULT_BUDDYBORDER;
178 const int spacer = theme ? DEFAULT_BUDDYSPACER_THEMED : DEFAULT_BUDDYSPACER;
179 int size;
180
181 assert(arrow && (arrow & (FLAG_INCR | FLAG_DECR)) != (FLAG_INCR | FLAG_DECR));
182
183 GetClientRect (infoPtr->Self, rect);
184
185 /*
186 * Make sure we calculate the rectangle to fit even if we draw the
187 * border.
188 */
189 if (UPDOWN_HasBuddyBorder(infoPtr)) {
190 if (infoPtr->dwStyle & UDS_ALIGNLEFT)
191 rect->left += border;
192 else
193 rect->right -= border;
194
195 InflateRect(rect, 0, -border);
196 }
197
198 /* now figure out if we need a space away from the buddy */
199 if (IsWindow(infoPtr->Buddy) ) {
200 if (infoPtr->dwStyle & UDS_ALIGNLEFT) rect->right -= spacer;
201 else if (infoPtr->dwStyle & UDS_ALIGNRIGHT) rect->left += spacer;
202 }
203
204 /*
205 * We're calculating the midpoint to figure-out where the
206 * separation between the buttons will lay.
207 */
208 if (infoPtr->dwStyle & UDS_HORZ) {
209 size = (rect->right - rect->left) / 2;
210 if (arrow & FLAG_INCR)
211 rect->left = rect->right - size;
212 else if (arrow & FLAG_DECR)
213 rect->right = rect->left + size;
214 } else {
215 size = (rect->bottom - rect->top) / 2;
216 if (arrow & FLAG_INCR)
217 rect->bottom = rect->top + size;
218 else if (arrow & FLAG_DECR)
219 rect->top = rect->bottom - size;
220 }
221 }
222
223 /***********************************************************************
224 * UPDOWN_GetArrowFromPoint
225 * Returns the rectagle (for the up or down arrow) that contains pt.
226 * If it returns the up rect, it returns FLAG_INCR.
227 * If it returns the down rect, it returns FLAG_DECR.
228 */
229 static INT UPDOWN_GetArrowFromPoint (const UPDOWN_INFO *infoPtr, RECT *rect, POINT pt)
230 {
231 UPDOWN_GetArrowRect (infoPtr, rect, FLAG_INCR);
232 if(PtInRect(rect, pt)) return FLAG_INCR;
233
234 UPDOWN_GetArrowRect (infoPtr, rect, FLAG_DECR);
235 if(PtInRect(rect, pt)) return FLAG_DECR;
236
237 return 0;
238 }
239
240
241 /***********************************************************************
242 * UPDOWN_GetThousandSep
243 * Returns the thousand sep. If an error occurs, it returns ','.
244 */
245 static WCHAR UPDOWN_GetThousandSep(void)
246 {
247 WCHAR sep[2];
248
249 if(GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, sep, 2) != 1)
250 sep[0] = ',';
251
252 return sep[0];
253 }
254
255 /***********************************************************************
256 * UPDOWN_GetBuddyInt
257 * Tries to read the pos from the buddy window and if it succeeds,
258 * it stores it in the control's CurVal
259 * returns:
260 * TRUE - if it read the integer from the buddy successfully
261 * FALSE - if an error occurred
262 */
263 static BOOL UPDOWN_GetBuddyInt (UPDOWN_INFO *infoPtr)
264 {
265 WCHAR txt[20], sep, *src, *dst;
266 int newVal;
267
268 if (!((infoPtr->Flags & FLAG_BUDDYINT) && IsWindow(infoPtr->Buddy)))
269 return FALSE;
270
271 /*if the buddy is a list window, we must set curr index */
272 if (UPDOWN_IsBuddyListbox(infoPtr)) {
273 newVal = SendMessageW(infoPtr->Buddy, LB_GETCARETINDEX, 0, 0);
274 if(newVal < 0) return FALSE;
275 } else {
276 /* we have a regular window, so will get the text */
277 /* note that a zero-length string is a legitimate value for 'txt',
278 * and ought to result in a successful conversion to '0'. */
279 if (GetWindowTextW(infoPtr->Buddy, txt, ARRAY_SIZE(txt)) < 0)
280 return FALSE;
281
282 sep = UPDOWN_GetThousandSep();
283
284 /* now get rid of the separators */
285 for(src = dst = txt; *src; src++)
286 if(*src != sep) *dst++ = *src;
287 *dst = 0;
288
289 /* try to convert the number and validate it */
290 newVal = wcstol(txt, &src, infoPtr->Base);
291 if(*src || !UPDOWN_InBounds (infoPtr, newVal)) return FALSE;
292 }
293
294 TRACE("new value(%d) from buddy (old=%d)\n", newVal, infoPtr->CurVal);
295 infoPtr->CurVal = newVal;
296 return TRUE;
297 }
298
299
300 /***********************************************************************
301 * UPDOWN_SetBuddyInt
302 * Tries to set the pos to the buddy window based on current pos
303 * returns:
304 * TRUE - if it set the caption of the buddy successfully
305 * FALSE - if an error occurred
306 */
307 static BOOL UPDOWN_SetBuddyInt (const UPDOWN_INFO *infoPtr)
308 {
309 static const WCHAR fmt_hex[] = { '0', 'x', '%', '0', '4', 'X', 0 };
310 static const WCHAR fmt_dec_oct[] = { '%', 'd', '\0' };
311 const WCHAR *fmt;
312 WCHAR txt[20], txt_old[20] = { 0 };
313 int len;
314
315 if (!((infoPtr->Flags & FLAG_BUDDYINT) && IsWindow(infoPtr->Buddy)))
316 return FALSE;
317
318 TRACE("set new value(%d) to buddy.\n", infoPtr->CurVal);
319
320 /*if the buddy is a list window, we must set curr index */
321 if (UPDOWN_IsBuddyListbox(infoPtr)) {
322 return SendMessageW(infoPtr->Buddy, LB_SETCURSEL, infoPtr->CurVal, 0) != LB_ERR;
323 }
324
325 /* Regular window, so set caption to the number */
326 fmt = (infoPtr->Base == 16) ? fmt_hex : fmt_dec_oct;
327 len = wsprintfW(txt, fmt, infoPtr->CurVal);
328
329
330 /* Do thousands separation if necessary */
331 if ((infoPtr->Base == 10) && !(infoPtr->dwStyle & UDS_NOTHOUSANDS) && (len > 3)) {
332 WCHAR tmp[ARRAY_SIZE(txt)], *src = tmp, *dst = txt;
333 WCHAR sep = UPDOWN_GetThousandSep();
334 int start = len % 3;
335
336 memcpy(tmp, txt, sizeof(txt));
337 if (start == 0) start = 3;
338 dst += start;
339 src += start;
340 for (len=0; *src; len++) {
341 if (len % 3 == 0) *dst++ = sep;
342 *dst++ = *src++;
343 }
344 *dst = 0;
345 }
346
347 /* if nothing changed exit earlier */
348 GetWindowTextW(infoPtr->Buddy, txt_old, ARRAY_SIZE(txt_old));
349 if (lstrcmpiW(txt_old, txt) == 0) return FALSE;
350
351 return SetWindowTextW(infoPtr->Buddy, txt);
352 }
353
354 /***********************************************************************
355 * UPDOWN_DrawBuddyBackground
356 *
357 * Draw buddy background for visual integration.
358 */
359 static BOOL UPDOWN_DrawBuddyBackground (const UPDOWN_INFO *infoPtr, HDC hdc)
360 {
361 RECT br, r;
362 HTHEME buddyTheme = GetWindowTheme (infoPtr->Buddy);
363 if (!buddyTheme) return FALSE;
364
365 GetWindowRect (infoPtr->Buddy, &br);
366 MapWindowPoints (NULL, infoPtr->Self, (POINT*)&br, 2);
367 GetClientRect (infoPtr->Self, &r);
368
369 if (infoPtr->dwStyle & UDS_ALIGNLEFT)
370 br.left = r.left;
371 else if (infoPtr->dwStyle & UDS_ALIGNRIGHT)
372 br.right = r.right;
373 /* FIXME: take disabled etc. into account */
374 DrawThemeBackground (buddyTheme, hdc, 0, 0, &br, NULL);
375 return TRUE;
376 }
377
378 /***********************************************************************
379 * UPDOWN_Draw
380 *
381 * Draw the arrows. The background need not be erased.
382 */
383 static LRESULT UPDOWN_Draw (const UPDOWN_INFO *infoPtr, HDC hdc)
384 {
385 BOOL uPressed, uHot, dPressed, dHot;
386 RECT rect;
387 HTHEME theme = GetWindowTheme (infoPtr->Self);
388 int uPart = 0, uState = 0, dPart = 0, dState = 0;
389 BOOL needBuddyBg = FALSE;
390
391 uPressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_INCR);
392 uHot = (infoPtr->Flags & FLAG_INCR) && (infoPtr->Flags & FLAG_MOUSEIN);
393 dPressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_DECR);
394 dHot = (infoPtr->Flags & FLAG_DECR) && (infoPtr->Flags & FLAG_MOUSEIN);
395 if (theme) {
396 uPart = (infoPtr->dwStyle & UDS_HORZ) ? SPNP_UPHORZ : SPNP_UP;
397 uState = (infoPtr->dwStyle & WS_DISABLED) ? DNS_DISABLED
398 : (uPressed ? DNS_PRESSED : (uHot ? DNS_HOT : DNS_NORMAL));
399 dPart = (infoPtr->dwStyle & UDS_HORZ) ? SPNP_DOWNHORZ : SPNP_DOWN;
400 dState = (infoPtr->dwStyle & WS_DISABLED) ? DNS_DISABLED
401 : (dPressed ? DNS_PRESSED : (dHot ? DNS_HOT : DNS_NORMAL));
402 needBuddyBg = IsWindow (infoPtr->Buddy)
403 && (IsThemeBackgroundPartiallyTransparent (theme, uPart, uState)
404 || IsThemeBackgroundPartiallyTransparent (theme, dPart, dState));
405 }
406
407 /* Draw the common border between ourselves and our buddy */
408 if (UPDOWN_HasBuddyBorder(infoPtr) || needBuddyBg) {
409 if (!theme || !UPDOWN_DrawBuddyBackground (infoPtr, hdc)) {
410 GetClientRect(infoPtr->Self, &rect);
411 DrawEdge(hdc, &rect, EDGE_SUNKEN,
412 BF_BOTTOM | BF_TOP |
413 (infoPtr->dwStyle & UDS_ALIGNLEFT ? BF_LEFT : BF_RIGHT));
414 }
415 }
416
417 /* Draw the incr button */
418 UPDOWN_GetArrowRect (infoPtr, &rect, FLAG_INCR);
419 if (theme) {
420 DrawThemeBackground(theme, hdc, uPart, uState, &rect, NULL);
421 } else {
422 DrawFrameControl(hdc, &rect, DFC_SCROLL,
423 (infoPtr->dwStyle & UDS_HORZ ? DFCS_SCROLLRIGHT : DFCS_SCROLLUP) |
424 ((infoPtr->dwStyle & UDS_HOTTRACK) && uHot ? DFCS_HOT : 0) |
425 (uPressed ? DFCS_PUSHED : 0) |
426 (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
427 }
428
429 /* Draw the decr button */
430 UPDOWN_GetArrowRect(infoPtr, &rect, FLAG_DECR);
431 if (theme) {
432 DrawThemeBackground(theme, hdc, dPart, dState, &rect, NULL);
433 } else {
434 DrawFrameControl(hdc, &rect, DFC_SCROLL,
435 (infoPtr->dwStyle & UDS_HORZ ? DFCS_SCROLLLEFT : DFCS_SCROLLDOWN) |
436 ((infoPtr->dwStyle & UDS_HOTTRACK) && dHot ? DFCS_HOT : 0) |
437 (dPressed ? DFCS_PUSHED : 0) |
438 (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
439 }
440
441 return 0;
442 }
443
444 /***********************************************************************
445 * UPDOWN_Paint
446 *
447 * Asynchronous drawing (must ONLY be used in WM_PAINT).
448 * Calls UPDOWN_Draw.
449 */
450 static LRESULT UPDOWN_Paint (const UPDOWN_INFO *infoPtr, HDC hdc)
451 {
452 PAINTSTRUCT ps;
453 if (hdc) return UPDOWN_Draw (infoPtr, hdc);
454 hdc = BeginPaint (infoPtr->Self, &ps);
455 UPDOWN_Draw (infoPtr, hdc);
456 EndPaint (infoPtr->Self, &ps);
457 return 0;
458 }
459
460 /***********************************************************************
461 * UPDOWN_KeyPressed
462 *
463 * Handle key presses (up & down) when we have to do so
464 */
465 static LRESULT UPDOWN_KeyPressed(UPDOWN_INFO *infoPtr, int key)
466 {
467 int arrow, accel;
468
469 if (key == VK_UP) arrow = FLAG_INCR;
470 else if (key == VK_DOWN) arrow = FLAG_DECR;
471 else return 1;
472
473 UPDOWN_GetBuddyInt (infoPtr);
474 infoPtr->Flags &= ~FLAG_ARROW;
475 infoPtr->Flags |= FLAG_PRESSED | arrow;
476 InvalidateRect (infoPtr->Self, NULL, FALSE);
477 SetTimer(infoPtr->Self, TIMER_AUTOPRESS, AUTOPRESS_DELAY, 0);
478 accel = (infoPtr->AccelCount && infoPtr->AccelVect) ? infoPtr->AccelVect[0].nInc : 1;
479 UPDOWN_DoAction (infoPtr, accel, arrow);
480 return 0;
481 }
482
483 static int UPDOWN_GetPos(UPDOWN_INFO *infoPtr, BOOL *err)
484 {
485 BOOL succ = UPDOWN_GetBuddyInt(infoPtr);
486 int val = infoPtr->CurVal;
487
488 if(!UPDOWN_InBounds(infoPtr, val)) {
489 if((infoPtr->MinVal < infoPtr->MaxVal && val < infoPtr->MinVal)
490 || (infoPtr->MinVal > infoPtr->MaxVal && val > infoPtr->MinVal))
491 val = infoPtr->MinVal;
492 else
493 val = infoPtr->MaxVal;
494
495 succ = FALSE;
496 }
497
498 if(err) *err = !succ;
499 return val;
500 }
501
502 static int UPDOWN_SetPos(UPDOWN_INFO *infoPtr, int pos)
503 {
504 int ret = infoPtr->CurVal;
505
506 if(!UPDOWN_InBounds(infoPtr, pos)) {
507 if((infoPtr->MinVal < infoPtr->MaxVal && pos < infoPtr->MinVal)
508 || (infoPtr->MinVal > infoPtr->MaxVal && pos > infoPtr->MinVal))
509 pos = infoPtr->MinVal;
510 else
511 pos = infoPtr->MaxVal;
512 }
513
514 infoPtr->CurVal = pos;
515 UPDOWN_SetBuddyInt(infoPtr);
516
517 if(!UPDOWN_InBounds(infoPtr, ret)) {
518 if((infoPtr->MinVal < infoPtr->MaxVal && ret < infoPtr->MinVal)
519 || (infoPtr->MinVal > infoPtr->MaxVal && ret > infoPtr->MinVal))
520 ret = infoPtr->MinVal;
521 else
522 ret = infoPtr->MaxVal;
523 }
524 return ret;
525 }
526
527
528 /***********************************************************************
529 * UPDOWN_SetRange
530 *
531 * Handle UDM_SETRANGE, UDM_SETRANGE32
532 *
533 * FIXME: handle Max == Min properly:
534 * - arrows should be disabled (without WS_DISABLED set),
535 * visually they can't be pressed and don't respond;
536 * - all input messages should still pass in.
537 */
538 static LRESULT UPDOWN_SetRange(UPDOWN_INFO *infoPtr, INT Max, INT Min)
539 {
540 infoPtr->MaxVal = Max;
541 infoPtr->MinVal = Min;
542
543 TRACE("UpDown Ctrl new range(%d to %d), hwnd=%p\n",
544 infoPtr->MinVal, infoPtr->MaxVal, infoPtr->Self);
545
546 return 0;
547 }
548
549 /***********************************************************************
550 * UPDOWN_MouseWheel
551 *
552 * Handle mouse wheel scrolling
553 */
554 static LRESULT UPDOWN_MouseWheel(UPDOWN_INFO *infoPtr, WPARAM wParam)
555 {
556 int iWheelDelta = GET_WHEEL_DELTA_WPARAM(wParam) / WHEEL_DELTA;
557
558 if (wParam & (MK_SHIFT | MK_CONTROL))
559 return 0;
560
561 if (iWheelDelta != 0)
562 {
563 UPDOWN_GetBuddyInt(infoPtr);
564 UPDOWN_DoAction(infoPtr, abs(iWheelDelta), iWheelDelta > 0 ? FLAG_INCR : FLAG_DECR);
565 }
566
567 return 1;
568 }
569
570
571 /***********************************************************************
572 * UPDOWN_Buddy_SubclassProc used to handle messages sent to the buddy
573 * control.
574 */
575 static LRESULT CALLBACK
576 UPDOWN_Buddy_SubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
577 UINT_PTR uId, DWORD_PTR ref_data)
578 {
579 UPDOWN_INFO *infoPtr = UPDOWN_GetInfoPtr((HWND)ref_data);
580
581 TRACE("hwnd=%p, uMsg=%04x, wParam=%08lx, lParam=%08lx\n",
582 hwnd, uMsg, wParam, lParam);
583
584 switch(uMsg)
585 {
586 case WM_KEYDOWN:
587 if (infoPtr)
588 {
589 UPDOWN_KeyPressed(infoPtr, (int)wParam);
590 if (wParam == VK_UP || wParam == VK_DOWN)
591 return 0;
592 }
593 break;
594
595 case WM_MOUSEWHEEL:
596 if (infoPtr)
597 UPDOWN_MouseWheel(infoPtr, (int)wParam);
598 break;
599
600 case WM_NCDESTROY:
601 RemoveWindowSubclass(hwnd, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID);
602 break;
603 default:
604 break;
605 }
606
607 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
608 }
609
610 static void UPDOWN_ResetSubclass (UPDOWN_INFO *infoPtr)
611 {
612 SetWindowSubclass(infoPtr->Buddy, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID, 0);
613 }
614
615 /***********************************************************************
616 * UPDOWN_SetBuddy
617 *
618 * Sets bud as a new Buddy.
619 * Then, it should subclass the buddy
620 * If window has the UDS_ARROWKEYS, it subclasses the buddy window to
621 * process the UP/DOWN arrow keys.
622 * If window has the UDS_ALIGNLEFT or UDS_ALIGNRIGHT style
623 * the size/pos of the buddy and the control are adjusted accordingly.
624 */
625 static HWND UPDOWN_SetBuddy (UPDOWN_INFO* infoPtr, HWND bud)
626 {
627 RECT budRect; /* new coord for the buddy */
628 int x, width; /* new x position and width for the up-down */
629 WCHAR buddyClass[40];
630 HWND old_buddy;
631
632 TRACE("(hwnd=%p, bud=%p)\n", infoPtr->Self, bud);
633
634 old_buddy = infoPtr->Buddy;
635
636 UPDOWN_ResetSubclass (infoPtr);
637
638 if (!IsWindow(bud)) bud = NULL;
639
640 /* Store buddy window handle */
641 infoPtr->Buddy = bud;
642
643 if(bud) {
644 /* Store buddy window class type */
645 infoPtr->BuddyType = BUDDY_TYPE_UNKNOWN;
646 if (GetClassNameW(bud, buddyClass, ARRAY_SIZE(buddyClass))) {
647 if (lstrcmpiW(buddyClass, WC_EDITW) == 0)
648 infoPtr->BuddyType = BUDDY_TYPE_EDIT;
649 else if (lstrcmpiW(buddyClass, WC_LISTBOXW) == 0)
650 infoPtr->BuddyType = BUDDY_TYPE_LISTBOX;
651 }
652
653 if (infoPtr->dwStyle & UDS_ARROWKEYS)
654 SetWindowSubclass(bud, UPDOWN_Buddy_SubclassProc, BUDDY_SUBCLASSID,
655 (DWORD_PTR)infoPtr->Self);
656
657 /* Get the rect of the buddy relative to its parent */
658 GetWindowRect(infoPtr->Buddy, &budRect);
659 MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->Buddy), (POINT *)(&budRect.left), 2);
660
661 /* now do the positioning */
662 if (infoPtr->dwStyle & UDS_ALIGNLEFT) {
663 x = budRect.left;
664 budRect.left += DEFAULT_WIDTH + DEFAULT_XSEP;
665 } else if (infoPtr->dwStyle & UDS_ALIGNRIGHT) {
666 budRect.right -= DEFAULT_WIDTH + DEFAULT_XSEP;
667 x = budRect.right+DEFAULT_XSEP;
668 } else {
669 /* nothing to do */
670 return old_buddy;
671 }
672
673 /* first adjust the buddy to accommodate the up/down */
674 SetWindowPos(infoPtr->Buddy, 0, budRect.left, budRect.top,
675 budRect.right - budRect.left, budRect.bottom - budRect.top,
676 SWP_NOACTIVATE|SWP_NOZORDER);
677
678 /* now position the up/down */
679 /* Since the UDS_ALIGN* flags were used, */
680 /* we will pick the position and size of the window. */
681 width = DEFAULT_WIDTH;
682
683 /*
684 * If the updown has a buddy border, it has to overlap with the buddy
685 * to look as if it is integrated with the buddy control.
686 * We nudge the control or change its size to overlap.
687 */
688 if (UPDOWN_HasBuddyBorder(infoPtr)) {
689 if(infoPtr->dwStyle & UDS_ALIGNLEFT)
690 width += DEFAULT_BUDDYBORDER;
691 else
692 x -= DEFAULT_BUDDYBORDER;
693 }
694
695 SetWindowPos(infoPtr->Self, 0, x,
696 budRect.top - DEFAULT_ADDTOP, width,
697 budRect.bottom - budRect.top + DEFAULT_ADDTOP + DEFAULT_ADDBOT,
698 SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOZORDER);
699 } else if (!(infoPtr->dwStyle & UDS_HORZ) && old_buddy != NULL) {
700 RECT rect;
701 GetWindowRect(infoPtr->Self, &rect);
702 MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->Self), (POINT *)&rect, 2);
703 SetWindowPos(infoPtr->Self, 0, rect.left, rect.top, DEFAULT_WIDTH, rect.bottom - rect.top,
704 SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOZORDER);
705 }
706
707 return old_buddy;
708 }
709
710 /***********************************************************************
711 * UPDOWN_DoAction
712 *
713 * This function increments/decrements the CurVal by the
714 * 'delta' amount according to the 'action' flag which can be a
715 * combination of FLAG_INCR and FLAG_DECR
716 * It notifies the parent as required.
717 * It handles wrapping and non-wrapping correctly.
718 * It is assumed that delta>0
719 */
720 static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action)
721 {
722 NM_UPDOWN ni;
723
724 TRACE("%d by %d\n", action, delta);
725
726 /* check if we can do the modification first */
727 delta *= (action & FLAG_INCR ? 1 : -1) * (infoPtr->MaxVal < infoPtr->MinVal ? -1 : 1);
728 if ( (action & FLAG_INCR) && (action & FLAG_DECR) ) delta = 0;
729
730 TRACE("current %d, delta: %d\n", infoPtr->CurVal, delta);
731
732 /* We must notify parent now to obtain permission */
733 ni.iPos = infoPtr->CurVal;
734 ni.iDelta = delta;
735 ni.hdr.hwndFrom = infoPtr->Self;
736 ni.hdr.idFrom = GetWindowLongPtrW (infoPtr->Self, GWLP_ID);
737 ni.hdr.code = UDN_DELTAPOS;
738 if (!SendMessageW(infoPtr->Notify, WM_NOTIFY, ni.hdr.idFrom, (LPARAM)&ni)) {
739 /* Parent said: OK to adjust */
740
741 /* Now adjust value with (maybe new) delta */
742 if (UPDOWN_OffsetVal (infoPtr, ni.iDelta)) {
743 TRACE("new %d, delta: %d\n", infoPtr->CurVal, ni.iDelta);
744
745 /* Now take care about our buddy */
746 UPDOWN_SetBuddyInt (infoPtr);
747 }
748 }
749
750 /* Also, notify it. This message is sent in any case. */
751 SendMessageW( infoPtr->Notify, (infoPtr->dwStyle & UDS_HORZ) ? WM_HSCROLL : WM_VSCROLL,
752 MAKELONG(SB_THUMBPOSITION, infoPtr->CurVal), (LPARAM)infoPtr->Self);
753 }
754
755 /***********************************************************************
756 * UPDOWN_IsEnabled
757 *
758 * Returns TRUE if it is enabled as well as its buddy (if any)
759 * FALSE otherwise
760 */
761 static BOOL UPDOWN_IsEnabled (const UPDOWN_INFO *infoPtr)
762 {
763 if (!IsWindowEnabled(infoPtr->Self))
764 return FALSE;
765 if(infoPtr->Buddy)
766 return IsWindowEnabled(infoPtr->Buddy);
767 return TRUE;
768 }
769
770 /***********************************************************************
771 * UPDOWN_CancelMode
772 *
773 * Deletes any timers, releases the mouse and does redraw if necessary.
774 * If the control is not in "capture" mode, it does nothing.
775 * If the control was not in cancel mode, it returns FALSE.
776 * If the control was in cancel mode, it returns TRUE.
777 */
778 static BOOL UPDOWN_CancelMode (UPDOWN_INFO *infoPtr)
779 {
780 if (!(infoPtr->Flags & FLAG_PRESSED)) return FALSE;
781
782 KillTimer (infoPtr->Self, TIMER_AUTOREPEAT);
783 KillTimer (infoPtr->Self, TIMER_ACCEL);
784 KillTimer (infoPtr->Self, TIMER_AUTOPRESS);
785
786 if (GetCapture() == infoPtr->Self)
787 ReleaseCapture();
788
789 infoPtr->Flags &= ~FLAG_PRESSED;
790 InvalidateRect (infoPtr->Self, NULL, FALSE);
791
792 return TRUE;
793 }
794
795 /***********************************************************************
796 * UPDOWN_HandleMouseEvent
797 *
798 * Handle a mouse event for the updown.
799 * 'pt' is the location of the mouse event in client or
800 * windows coordinates.
801 */
802 static void UPDOWN_HandleMouseEvent (UPDOWN_INFO *infoPtr, UINT msg, INT x, INT y)
803 {
804 POINT pt = { x, y };
805 RECT rect;
806 int temp, arrow;
807 TRACKMOUSEEVENT tme;
808
809 TRACE("msg %04x point %s\n", msg, wine_dbgstr_point(&pt));
810
811 switch(msg)
812 {
813 case WM_LBUTTONDOWN: /* Initialise mouse tracking */
814
815 /* If the buddy is an edit, will set focus to it */
816 if (UPDOWN_IsBuddyEdit(infoPtr)) SetFocus(infoPtr->Buddy);
817
818 /* Now see which one is the 'active' arrow */
819 arrow = UPDOWN_GetArrowFromPoint (infoPtr, &rect, pt);
820
821 /* Update the flags if we are in/out */
822 infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW);
823 if (arrow)
824 infoPtr->Flags |= FLAG_MOUSEIN | arrow;
825 else
826 if (infoPtr->AccelIndex != -1) infoPtr->AccelIndex = 0;
827
828 if (infoPtr->Flags & FLAG_ARROW) {
829
830 /* Update the CurVal if necessary */
831 UPDOWN_GetBuddyInt (infoPtr);
832
833 /* Set up the correct flags */
834 infoPtr->Flags |= FLAG_PRESSED;
835
836 /* repaint the control */
837 InvalidateRect (infoPtr->Self, NULL, FALSE);
838
839 /* process the click */
840 temp = (infoPtr->AccelCount && infoPtr->AccelVect) ? infoPtr->AccelVect[0].nInc : 1;
841 UPDOWN_DoAction (infoPtr, temp, infoPtr->Flags & FLAG_ARROW);
842
843 /* now capture all mouse messages */
844 SetCapture (infoPtr->Self);
845
846 /* and startup the first timer */
847 SetTimer(infoPtr->Self, TIMER_AUTOREPEAT, INITIAL_DELAY, 0);
848 }
849 break;
850
851 case WM_MOUSEMOVE:
852 /* save the flags to see if any got modified */
853 temp = infoPtr->Flags;
854
855 /* Now see which one is the 'active' arrow */
856 arrow = UPDOWN_GetArrowFromPoint (infoPtr, &rect, pt);
857
858 /* Update the flags if we are in/out */
859 infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW);
860 if(arrow) {
861 infoPtr->Flags |= FLAG_MOUSEIN | arrow;
862 } else {
863 if(infoPtr->AccelIndex != -1) infoPtr->AccelIndex = 0;
864 }
865
866 /* If state changed, redraw the control */
867 if(temp != infoPtr->Flags)
868 InvalidateRect (infoPtr->Self, NULL, FALSE);
869
870 /* Set up tracking so the mousein flags can be reset when the
871 * mouse leaves the control */
872 tme.cbSize = sizeof( tme );
873 tme.dwFlags = TME_LEAVE;
874 tme.hwndTrack = infoPtr->Self;
875 TrackMouseEvent (&tme);
876
877 break;
878 case WM_MOUSELEAVE:
879 infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW);
880 InvalidateRect (infoPtr->Self, NULL, FALSE);
881 break;
882
883 default:
884 ERR("Impossible case (msg=%x)!\n", msg);
885 }
886
887 }
888
889 /***********************************************************************
890 * UpDownWndProc
891 */
892 static LRESULT WINAPI UpDownWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
893 {
894 UPDOWN_INFO *infoPtr = UPDOWN_GetInfoPtr (hwnd);
895 static const WCHAR themeClass[] = {'S','p','i','n',0};
896 HTHEME theme;
897
898 TRACE("hwnd=%p msg=%04x wparam=%08lx lparam=%08lx\n", hwnd, message, wParam, lParam);
899
900 if (!infoPtr && (message != WM_CREATE))
901 return DefWindowProcW (hwnd, message, wParam, lParam);
902
903 switch(message)
904 {
905 case WM_CREATE:
906 {
907 CREATESTRUCTW *pcs = (CREATESTRUCTW*)lParam;
908
909 infoPtr = heap_alloc_zero(sizeof(*infoPtr));
910 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
911
912 /* initialize the info struct */
913 infoPtr->Self = hwnd;
914 infoPtr->Notify = pcs->hwndParent;
915 infoPtr->dwStyle = pcs->style;
916 infoPtr->AccelCount = 0;
917 infoPtr->AccelVect = 0;
918 infoPtr->AccelIndex = -1;
919 infoPtr->CurVal = 0;
920 infoPtr->MinVal = 100;
921 infoPtr->MaxVal = 0;
922 infoPtr->Base = 10; /* Default to base 10 */
923 infoPtr->Buddy = 0; /* No buddy window yet */
924 infoPtr->Flags = (infoPtr->dwStyle & UDS_SETBUDDYINT) ? FLAG_BUDDYINT : 0;
925
926 SetWindowLongW (hwnd, GWL_STYLE, infoPtr->dwStyle & ~WS_BORDER);
927 if (!(infoPtr->dwStyle & UDS_HORZ))
928 SetWindowPos (hwnd, NULL, 0, 0, DEFAULT_WIDTH, pcs->cy,
929 SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
930
931 /* Do we pick the buddy win ourselves? */
932 if (infoPtr->dwStyle & UDS_AUTOBUDDY)
933 UPDOWN_SetBuddy (infoPtr, GetWindow (hwnd, GW_HWNDPREV));
934
935 OpenThemeData (hwnd, themeClass);
936
937 TRACE("UpDown Ctrl creation, hwnd=%p\n", hwnd);
938 }
939 break;
940
941 case WM_DESTROY:
942 heap_free (infoPtr->AccelVect);
943 UPDOWN_ResetSubclass (infoPtr);
944 heap_free (infoPtr);
945 SetWindowLongPtrW (hwnd, 0, 0);
946 theme = GetWindowTheme (hwnd);
947 CloseThemeData (theme);
948 TRACE("UpDown Ctrl destruction, hwnd=%p\n", hwnd);
949 break;
950
951 case WM_ENABLE:
952 if (wParam) {
953 infoPtr->dwStyle &= ~WS_DISABLED;
954 } else {
955 infoPtr->dwStyle |= WS_DISABLED;
956 UPDOWN_CancelMode (infoPtr);
957 }
958 InvalidateRect (infoPtr->Self, NULL, FALSE);
959 break;
960
961 case WM_STYLECHANGED:
962 if (wParam == GWL_STYLE) {
963 infoPtr->dwStyle = ((LPSTYLESTRUCT)lParam)->styleNew;
964 InvalidateRect (infoPtr->Self, NULL, FALSE);
965 }
966 break;
967
968 case WM_THEMECHANGED:
969 theme = GetWindowTheme (hwnd);
970 CloseThemeData (theme);
971 OpenThemeData (hwnd, themeClass);
972 InvalidateRect (hwnd, NULL, FALSE);
973 break;
974
975 case WM_TIMER:
976 /* is this the auto-press timer? */
977 if(wParam == TIMER_AUTOPRESS) {
978 KillTimer(hwnd, TIMER_AUTOPRESS);
979 infoPtr->Flags &= ~(FLAG_PRESSED | FLAG_ARROW);
980 InvalidateRect(infoPtr->Self, NULL, FALSE);
981 }
982
983 /* if initial timer, kill it and start the repeat timer */
984 if(wParam == TIMER_AUTOREPEAT) {
985 INT delay;
986
987 KillTimer(hwnd, TIMER_AUTOREPEAT);
988 /* if no accel info given, used default timer */
989 if(infoPtr->AccelCount==0 || infoPtr->AccelVect==0) {
990 infoPtr->AccelIndex = -1;
991 delay = REPEAT_DELAY;
992 } else {
993 infoPtr->AccelIndex = 0; /* otherwise, use it */
994 delay = infoPtr->AccelVect[infoPtr->AccelIndex].nSec * 1000 + 1;
995 }
996 SetTimer(hwnd, TIMER_ACCEL, delay, 0);
997 }
998
999 /* now, if the mouse is above us, do the thing...*/
1000 if(infoPtr->Flags & FLAG_MOUSEIN) {
1001 int temp;
1002
1003 temp = infoPtr->AccelIndex == -1 ? 1 : infoPtr->AccelVect[infoPtr->AccelIndex].nInc;
1004 UPDOWN_DoAction(infoPtr, temp, infoPtr->Flags & FLAG_ARROW);
1005
1006 if(infoPtr->AccelIndex != -1 && infoPtr->AccelIndex < infoPtr->AccelCount-1) {
1007 KillTimer(hwnd, TIMER_ACCEL);
1008 infoPtr->AccelIndex++; /* move to the next accel info */
1009 temp = infoPtr->AccelVect[infoPtr->AccelIndex].nSec * 1000 + 1;
1010 /* make sure we have at least 1ms intervals */
1011 SetTimer(hwnd, TIMER_ACCEL, temp, 0);
1012 }
1013 }
1014 break;
1015
1016 case WM_CANCELMODE:
1017 return UPDOWN_CancelMode (infoPtr);
1018
1019 case WM_LBUTTONUP:
1020 if (GetCapture() != infoPtr->Self) break;
1021
1022 if ( (infoPtr->Flags & FLAG_MOUSEIN) &&
1023 (infoPtr->Flags & FLAG_ARROW) ) {
1024
1025 SendMessageW( infoPtr->Notify,
1026 (infoPtr->dwStyle & UDS_HORZ) ? WM_HSCROLL : WM_VSCROLL,
1027 MAKELONG(SB_ENDSCROLL, infoPtr->CurVal),
1028 (LPARAM)hwnd);
1029 if (UPDOWN_IsBuddyEdit(infoPtr))
1030 SendMessageW(infoPtr->Buddy, EM_SETSEL, 0, MAKELONG(0, -1));
1031 }
1032 UPDOWN_CancelMode(infoPtr);
1033 break;
1034
1035 case WM_LBUTTONDOWN:
1036 case WM_MOUSEMOVE:
1037 case WM_MOUSELEAVE:
1038 if(UPDOWN_IsEnabled(infoPtr))
1039 UPDOWN_HandleMouseEvent (infoPtr, message, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
1040 break;
1041
1042 case WM_MOUSEWHEEL:
1043 UPDOWN_MouseWheel(infoPtr, wParam);
1044 break;
1045
1046 case WM_KEYDOWN:
1047 if((infoPtr->dwStyle & UDS_ARROWKEYS) && UPDOWN_IsEnabled(infoPtr))
1048 return UPDOWN_KeyPressed(infoPtr, (int)wParam);
1049 break;
1050
1051 case WM_PRINTCLIENT:
1052 case WM_PAINT:
1053 return UPDOWN_Paint (infoPtr, (HDC)wParam);
1054
1055 case UDM_GETACCEL:
1056 if (wParam==0 && lParam==0) return infoPtr->AccelCount;
1057 if (wParam && lParam) {
1058 int temp = min(infoPtr->AccelCount, wParam);
1059 memcpy((void *)lParam, infoPtr->AccelVect, temp*sizeof(UDACCEL));
1060 return temp;
1061 }
1062 return 0;
1063
1064 case UDM_SETACCEL:
1065 {
1066 TRACE("UDM_SETACCEL\n");
1067
1068 if(infoPtr->AccelVect) {
1069 heap_free (infoPtr->AccelVect);
1070 infoPtr->AccelCount = 0;
1071 infoPtr->AccelVect = 0;
1072 }
1073 if(wParam==0) return TRUE;
1074 infoPtr->AccelVect = heap_alloc(wParam*sizeof(UDACCEL));
1075 if(!infoPtr->AccelVect) return FALSE;
1076 memcpy(infoPtr->AccelVect, (void*)lParam, wParam*sizeof(UDACCEL));
1077 infoPtr->AccelCount = wParam;
1078
1079 if (TRACE_ON(updown))
1080 {
1081 UINT i;
1082
1083 for (i = 0; i < wParam; i++)
1084 TRACE("%u: nSec %u nInc %u\n", i,
1085 infoPtr->AccelVect[i].nSec, infoPtr->AccelVect[i].nInc);
1086 }
1087
1088 return TRUE;
1089 }
1090 case UDM_GETBASE:
1091 return infoPtr->Base;
1092
1093 case UDM_SETBASE:
1094 TRACE("UpDown Ctrl new base(%ld), hwnd=%p\n", wParam, hwnd);
1095 if (wParam==10 || wParam==16) {
1096 WPARAM old_base = infoPtr->Base;
1097 infoPtr->Base = wParam;
1098
1099 if (old_base != infoPtr->Base)
1100 UPDOWN_SetBuddyInt(infoPtr);
1101
1102 return old_base;
1103 }
1104 break;
1105
1106 case UDM_GETBUDDY:
1107 return (LRESULT)infoPtr->Buddy;
1108
1109 case UDM_SETBUDDY:
1110 return (LRESULT)UPDOWN_SetBuddy (infoPtr, (HWND)wParam);
1111
1112 case UDM_GETPOS:
1113 {
1114 BOOL err;
1115 int pos;
1116
1117 pos = UPDOWN_GetPos(infoPtr, &err);
1118 return MAKELONG(pos, err);
1119 }
1120 case UDM_SETPOS:
1121 {
1122 return UPDOWN_SetPos(infoPtr, (short)LOWORD(lParam));
1123 }
1124 case UDM_GETRANGE:
1125 return MAKELONG(infoPtr->MaxVal, infoPtr->MinVal);
1126
1127 case UDM_SETRANGE:
1128 /* we must have:
1129 UD_MINVAL <= Max <= UD_MAXVAL
1130 UD_MINVAL <= Min <= UD_MAXVAL
1131 |Max-Min| <= UD_MAXVAL */
1132 UPDOWN_SetRange(infoPtr, (short)lParam, (short)HIWORD(lParam));
1133 break;
1134
1135 case UDM_GETRANGE32:
1136 if (wParam) *(LPINT)wParam = infoPtr->MinVal;
1137 if (lParam) *(LPINT)lParam = infoPtr->MaxVal;
1138 break;
1139
1140 case UDM_SETRANGE32:
1141 UPDOWN_SetRange(infoPtr, (INT)lParam, (INT)wParam);
1142 break;
1143
1144 case UDM_GETPOS32:
1145 {
1146 return UPDOWN_GetPos(infoPtr, (BOOL*)lParam);
1147 }
1148 case UDM_SETPOS32:
1149 {
1150 return UPDOWN_SetPos(infoPtr, (int)lParam);
1151 }
1152 case UDM_GETUNICODEFORMAT:
1153 /* we lie a bit here, we're always using Unicode internally */
1154 return infoPtr->UnicodeFormat;
1155
1156 case UDM_SETUNICODEFORMAT:
1157 {
1158 /* do we really need to honour this flag? */
1159 int temp = infoPtr->UnicodeFormat;
1160 infoPtr->UnicodeFormat = (BOOL)wParam;
1161 return temp;
1162 }
1163 default:
1164 if ((message >= WM_USER) && (message < WM_APP) && !COMCTL32_IsReflectedMessage(message))
1165 ERR("unknown msg %04x wp=%04lx lp=%08lx\n", message, wParam, lParam);
1166 return DefWindowProcW (hwnd, message, wParam, lParam);
1167 }
1168
1169 return 0;
1170 }
1171
1172 /***********************************************************************
1173 * UPDOWN_Register [Internal]
1174 *
1175 * Registers the updown window class.
1176 */
1177 void UPDOWN_Register(void)
1178 {
1179 WNDCLASSW wndClass;
1180
1181 ZeroMemory( &wndClass, sizeof( WNDCLASSW ) );
1182 wndClass.style = CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
1183 wndClass.lpfnWndProc = UpDownWindowProc;
1184 wndClass.cbClsExtra = 0;
1185 wndClass.cbWndExtra = sizeof(UPDOWN_INFO*);
1186 wndClass.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
1187 wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1188 wndClass.lpszClassName = UPDOWN_CLASSW;
1189
1190 RegisterClassW( &wndClass );
1191 }
1192
1193
1194 /***********************************************************************
1195 * UPDOWN_Unregister [Internal]
1196 *
1197 * Unregisters the updown window class.
1198 */
1199 void UPDOWN_Unregister (void)
1200 {
1201 UnregisterClassW (UPDOWN_CLASSW, NULL);
1202 }
Windows API implementation