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mshtml: Added GetCurMoniker implementation.
[wine.git] / dlls / comctl32 / updown.c
blobf7dd6883765ab07718f2cc08f068175491ecc8e0
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 * NOTE
21 *
22 * This code was audited for completeness against the documented features
23 * of Comctl32.dll version 6.0 on Sep. 9, 2002, by Dimitrie O. Paun.
24 *
25 * Unless otherwise noted, we believe this code to be complete, as per
26 * the specification mentioned above.
27 * If you discover missing features, or bugs, please note them below.
28 *
29 */
30
31 #include <stdlib.h>
32 #include <string.h>
33 #include <stdarg.h>
34 #include <stdio.h>
35
36 #include "windef.h"
37 #include "winbase.h"
38 #include "wingdi.h"
39 #include "winuser.h"
40 #include "winnls.h"
41 #include "commctrl.h"
42 #include "comctl32.h"
43 #include "uxtheme.h"
44 #include "tmschema.h"
45 #include "wine/unicode.h"
46 #include "wine/debug.h"
47
48 WINE_DEFAULT_DEBUG_CHANNEL(updown);
49
50 typedef struct
51 {
52 HWND Self; /* Handle to this up-down control */
53 HWND Notify; /* Handle to the parent window */
54 DWORD dwStyle; /* The GWL_STYLE for this window */
55 UINT AccelCount; /* Number of elements in AccelVect */
56 UDACCEL* AccelVect; /* Vector containing AccelCount elements */
57 INT AccelIndex; /* Current accel index, -1 if not accel'ing */
58 INT Base; /* Base to display nr in the buddy window */
59 INT CurVal; /* Current up-down value */
60 INT MinVal; /* Minimum up-down value */
61 INT MaxVal; /* Maximum up-down value */
62 HWND Buddy; /* Handle to the buddy window */
63 INT BuddyType; /* Remembers the buddy type BUDDY_TYPE_* */
64 INT Flags; /* Internal Flags FLAG_* */
65 BOOL UnicodeFormat; /* Marks the use of Unicode internally */
66 } UPDOWN_INFO;
67
68 /* Control configuration constants */
69
70 #define INITIAL_DELAY 500 /* initial timer until auto-inc kicks in */
71 #define AUTOPRESS_DELAY 250 /* time to keep arrow pressed on KEY_DOWN */
72 #define REPEAT_DELAY 50 /* delay between auto-increments */
73
74 #define DEFAULT_WIDTH 14 /* default width of the ctrl */
75 #define DEFAULT_XSEP 0 /* default separation between buddy and ctrl */
76 #define DEFAULT_ADDTOP 0 /* amount to extend above the buddy window */
77 #define DEFAULT_ADDBOT 0 /* amount to extend below the buddy window */
78 #define DEFAULT_BUDDYBORDER 2 /* Width/height of the buddy border */
79 #define DEFAULT_BUDDYSPACER 2 /* Spacer between the buddy and the ctrl */
80 #define DEFAULT_BUDDYBORDER_THEMED 1 /* buddy border when theming is enabled */
81 #define DEFAULT_BUDDYSPACER_THEMED 0 /* buddy spacer when theming is enabled */
82
83 /* Work constants */
84
85 #define FLAG_INCR 0x01
86 #define FLAG_DECR 0x02
87 #define FLAG_MOUSEIN 0x04
88 #define FLAG_PRESSED 0x08
89 #define FLAG_ARROW (FLAG_INCR | FLAG_DECR)
90
91 #define BUDDY_TYPE_UNKNOWN 0
92 #define BUDDY_TYPE_LISTBOX 1
93 #define BUDDY_TYPE_EDIT 2
94
95 #define TIMER_AUTOREPEAT 1
96 #define TIMER_ACCEL 2
97 #define TIMER_AUTOPRESS 3
98
99 #define UPDOWN_GetInfoPtr(hwnd) ((UPDOWN_INFO *)GetWindowLongPtrW (hwnd,0))
100 #define COUNT_OF(a) (sizeof(a)/sizeof(a[0]))
101
102 static const WCHAR BUDDY_UPDOWN_HWND[] = { 'b', 'u', 'd', 'd', 'y', 'U', 'p', 'D', 'o', 'w', 'n', 'H', 'W', 'N', 'D', 0 };
103 static const WCHAR BUDDY_SUPERCLASS_WNDPROC[] = { 'b', 'u', 'd', 'd', 'y', 'S', 'u', 'p', 'p', 'e', 'r',
104 'C', 'l', 'a', 's', 's', 'W', 'n', 'd', 'P', 'r', 'o', 'c', 0 };
105 static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action);
106
107 /***********************************************************************
108 * UPDOWN_IsBuddyEdit
109 * Tests if our buddy is an edit control.
110 */
111 static inline BOOL UPDOWN_IsBuddyEdit(const UPDOWN_INFO *infoPtr)
112 {
113 return infoPtr->BuddyType == BUDDY_TYPE_EDIT;
114 }
115
116 /***********************************************************************
117 * UPDOWN_IsBuddyListbox
118 * Tests if our buddy is a listbox control.
119 */
120 static inline BOOL UPDOWN_IsBuddyListbox(const UPDOWN_INFO *infoPtr)
121 {
122 return infoPtr->BuddyType == BUDDY_TYPE_LISTBOX;
123 }
124
125 /***********************************************************************
126 * UPDOWN_InBounds
127 * Tests if a given value 'val' is between the Min&Max limits
128 */
129 static BOOL UPDOWN_InBounds(const UPDOWN_INFO *infoPtr, int val)
130 {
131 if(infoPtr->MaxVal > infoPtr->MinVal)
132 return (infoPtr->MinVal <= val) && (val <= infoPtr->MaxVal);
133 else
134 return (infoPtr->MaxVal <= val) && (val <= infoPtr->MinVal);
135 }
136
137 /***********************************************************************
138 * UPDOWN_OffsetVal
139 * Change the current value by delta.
140 * It returns TRUE is the value was changed successfuly, or FALSE
141 * if the value was not changed, as it would go out of bounds.
142 */
143 static BOOL UPDOWN_OffsetVal(UPDOWN_INFO *infoPtr, int delta)
144 {
145 /* check if we can do the modification first */
146 if(!UPDOWN_InBounds (infoPtr, infoPtr->CurVal+delta)) {
147 if (infoPtr->dwStyle & UDS_WRAP) {
148 delta += (delta < 0 ? -1 : 1) *
149 (infoPtr->MaxVal < infoPtr->MinVal ? -1 : 1) *
150 (infoPtr->MinVal - infoPtr->MaxVal) +
151 (delta < 0 ? 1 : -1);
152 } else return FALSE;
153 }
154
155 infoPtr->CurVal += delta;
156 return TRUE;
157 }
158
159 /***********************************************************************
160 * UPDOWN_HasBuddyBorder
161 *
162 * When we have a buddy set and that we are aligned on our buddy, we
163 * want to draw a sunken edge to make like we are part of that control.
164 */
165 static BOOL UPDOWN_HasBuddyBorder(const UPDOWN_INFO *infoPtr)
166 {
167 return ( ((infoPtr->dwStyle & (UDS_ALIGNLEFT | UDS_ALIGNRIGHT)) != 0) &&
168 UPDOWN_IsBuddyEdit(infoPtr) );
169 }
170
171 /***********************************************************************
172 * UPDOWN_GetArrowRect
173 * wndPtr - pointer to the up-down wnd
174 * rect - will hold the rectangle
175 * arrow - FLAG_INCR to get the "increment" rect (up or right)
176 * FLAG_DECR to get the "decrement" rect (down or left)
177 * If both flags are pressent, the envelope is returned.
178 */
179 static void UPDOWN_GetArrowRect (const UPDOWN_INFO* infoPtr, RECT *rect, int arrow)
180 {
181 HTHEME theme = GetWindowTheme (infoPtr->Self);
182 const int border = theme ? DEFAULT_BUDDYBORDER_THEMED : DEFAULT_BUDDYBORDER;
183 const int spacer = theme ? DEFAULT_BUDDYSPACER_THEMED : DEFAULT_BUDDYSPACER;
184 GetClientRect (infoPtr->Self, rect);
185
186 /*
187 * Make sure we calculate the rectangle to fit even if we draw the
188 * border.
189 */
190 if (UPDOWN_HasBuddyBorder(infoPtr)) {
191 if (infoPtr->dwStyle & UDS_ALIGNLEFT)
192 rect->left += border;
193 else
194 rect->right -= border;
195
196 InflateRect(rect, 0, -border);
197 }
198
199 /* now figure out if we need a space away from the buddy */
200 if (IsWindow(infoPtr->Buddy) ) {
201 if (infoPtr->dwStyle & UDS_ALIGNLEFT) rect->right -= spacer;
202 else rect->left += spacer;
203 }
204
205 /*
206 * We're calculating the midpoint to figure-out where the
207 * separation between the buttons will lay. We make sure that we
208 * round the uneven numbers by adding 1.
209 */
210 if (infoPtr->dwStyle & UDS_HORZ) {
211 int len = rect->right - rect->left + 1; /* compute the width */
212 if (arrow & FLAG_INCR)
213 rect->left = rect->left + len/2;
214 if (arrow & FLAG_DECR)
215 rect->right = rect->left + len/2 - (theme ? 0 : 1);
216 } else {
217 int len = rect->bottom - rect->top + 1; /* compute the height */
218 if (arrow & FLAG_INCR)
219 rect->bottom = rect->top + len/2 - (theme ? 0 : 1);
220 if (arrow & FLAG_DECR)
221 rect->top = rect->top + len/2;
222 }
223 }
224
225 /***********************************************************************
226 * UPDOWN_GetArrowFromPoint
227 * Returns the rectagle (for the up or down arrow) that contains pt.
228 * If it returns the up rect, it returns FLAG_INCR.
229 * If it returns the down rect, it returns FLAG_DECR.
230 */
231 static INT UPDOWN_GetArrowFromPoint (const UPDOWN_INFO *infoPtr, RECT *rect, POINT pt)
232 {
233 UPDOWN_GetArrowRect (infoPtr, rect, FLAG_INCR);
234 if(PtInRect(rect, pt)) return FLAG_INCR;
235
236 UPDOWN_GetArrowRect (infoPtr, rect, FLAG_DECR);
237 if(PtInRect(rect, pt)) return FLAG_DECR;
238
239 return 0;
240 }
241
242
243 /***********************************************************************
244 * UPDOWN_GetThousandSep
245 * Returns the thousand sep. If an error occurs, it returns ','.
246 */
247 static WCHAR UPDOWN_GetThousandSep(void)
248 {
249 WCHAR sep[2];
250
251 if(GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, sep, 2) != 1)
252 sep[0] = ',';
253
254 return sep[0];
255 }
256
257 /***********************************************************************
258 * UPDOWN_GetBuddyInt
259 * Tries to read the pos from the buddy window and if it succeeds,
260 * it stores it in the control's CurVal
261 * returns:
262 * TRUE - if it read the integer from the buddy successfully
263 * FALSE - if an error occurred
264 */
265 static BOOL UPDOWN_GetBuddyInt (UPDOWN_INFO *infoPtr)
266 {
267 WCHAR txt[20], sep, *src, *dst;
268 int newVal;
269
270 if (!((infoPtr->dwStyle & UDS_SETBUDDYINT) && IsWindow(infoPtr->Buddy)))
271 return FALSE;
272
273 /*if the buddy is a list window, we must set curr index */
274 if (UPDOWN_IsBuddyListbox(infoPtr)) {
275 newVal = SendMessageW(infoPtr->Buddy, LB_GETCARETINDEX, 0, 0);
276 if(newVal < 0) return FALSE;
277 } else {
278 /* we have a regular window, so will get the text */
279 /* note that a zero-length string is a legitimate value for 'txt',
280 * and ought to result in a successful conversion to '0'. */
281 if (GetWindowTextW(infoPtr->Buddy, txt, COUNT_OF(txt)) < 0)
282 return FALSE;
283
284 sep = UPDOWN_GetThousandSep();
285
286 /* now get rid of the separators */
287 for(src = dst = txt; *src; src++)
288 if(*src != sep) *dst++ = *src;
289 *dst = 0;
290
291 /* try to convert the number and validate it */
292 newVal = strtolW(txt, &src, infoPtr->Base);
293 if(*src || !UPDOWN_InBounds (infoPtr, newVal)) return FALSE;
294 }
295
296 TRACE("new value(%d) from buddy (old=%d)\n", newVal, infoPtr->CurVal);
297 infoPtr->CurVal = newVal;
298 return TRUE;
299 }
300
301
302 /***********************************************************************
303 * UPDOWN_SetBuddyInt
304 * Tries to set the pos to the buddy window based on current pos
305 * returns:
306 * TRUE - if it set the caption of the buddy successfully
307 * FALSE - if an error occurred
308 */
309 static BOOL UPDOWN_SetBuddyInt (const UPDOWN_INFO *infoPtr)
310 {
311 WCHAR fmt[3] = { '%', 'd', '\0' };
312 WCHAR txt[20];
313 int len;
314
315 if (!((infoPtr->dwStyle & UDS_SETBUDDYINT) && 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 if (infoPtr->Base == 16) fmt[1] = 'X';
327 len = wsprintfW(txt, fmt, infoPtr->CurVal);
328
329
330 /* Do thousands separation if necessary */
331 if (!(infoPtr->dwStyle & UDS_NOTHOUSANDS) && (len > 3)) {
332 WCHAR tmp[COUNT_OF(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 return SetWindowTextW(infoPtr->Buddy, txt);
348 }
349
350 /***********************************************************************
351 * UPDOWN_DrawBuddyBackground
352 *
353 * Draw buddy background for visual integration.
354 */
355 static BOOL UPDOWN_DrawBuddyBackground (const UPDOWN_INFO *infoPtr, HDC hdc)
356 {
357 RECT br;
358 HTHEME buddyTheme = GetWindowTheme (infoPtr->Buddy);
359 if (!buddyTheme) return FALSE;
360
361 GetClientRect (infoPtr->Buddy, &br);
362 MapWindowPoints (infoPtr->Buddy, infoPtr->Self, (POINT*)&br, 2);
363 /* FIXME: take disabled etc. into account */
364 DrawThemeBackground (buddyTheme, hdc, 0, 0, &br, NULL);
365 return TRUE;
366 }
367
368 /***********************************************************************
369 * UPDOWN_Draw
370 *
371 * Draw the arrows. The background need not be erased.
372 */
373 static LRESULT UPDOWN_Draw (const UPDOWN_INFO *infoPtr, HDC hdc)
374 {
375 BOOL uPressed, uHot, dPressed, dHot;
376 RECT rect;
377 HTHEME theme = GetWindowTheme (infoPtr->Self);
378 int uPart = 0, uState = 0, dPart = 0, dState = 0;
379 BOOL needBuddyBg = FALSE;
380
381 uPressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_INCR);
382 uHot = (infoPtr->Flags & FLAG_INCR) && (infoPtr->Flags & FLAG_MOUSEIN);
383 dPressed = (infoPtr->Flags & FLAG_PRESSED) && (infoPtr->Flags & FLAG_DECR);
384 dHot = (infoPtr->Flags & FLAG_DECR) && (infoPtr->Flags & FLAG_MOUSEIN);
385 if (theme) {
386 uPart = (infoPtr->dwStyle & UDS_HORZ) ? SPNP_UPHORZ : SPNP_UP;
387 uState = (infoPtr->dwStyle & WS_DISABLED) ? DNS_DISABLED
388 : (uPressed ? DNS_PRESSED : (uHot ? DNS_HOT : DNS_NORMAL));
389 dPart = (infoPtr->dwStyle & UDS_HORZ) ? SPNP_DOWNHORZ : SPNP_DOWN;
390 dState = (infoPtr->dwStyle & WS_DISABLED) ? DNS_DISABLED
391 : (dPressed ? DNS_PRESSED : (dHot ? DNS_HOT : DNS_NORMAL));
392 needBuddyBg = IsWindow (infoPtr->Buddy)
393 && (IsThemeBackgroundPartiallyTransparent (theme, uPart, uState)
394 || IsThemeBackgroundPartiallyTransparent (theme, dPart, dState));
395 }
396
397 /* Draw the common border between ourselves and our buddy */
398 if (UPDOWN_HasBuddyBorder(infoPtr) || needBuddyBg) {
399 if (!theme || !UPDOWN_DrawBuddyBackground (infoPtr, hdc)) {
400 GetClientRect(infoPtr->Self, &rect);
401 DrawEdge(hdc, &rect, EDGE_SUNKEN,
402 BF_BOTTOM | BF_TOP |
403 (infoPtr->dwStyle & UDS_ALIGNLEFT ? BF_LEFT : BF_RIGHT));
404 }
405 }
406
407 /* Draw the incr button */
408 UPDOWN_GetArrowRect (infoPtr, &rect, FLAG_INCR);
409 if (theme) {
410 DrawThemeBackground(theme, hdc, uPart, uState, &rect, NULL);
411 } else {
412 DrawFrameControl(hdc, &rect, DFC_SCROLL,
413 (infoPtr->dwStyle & UDS_HORZ ? DFCS_SCROLLRIGHT : DFCS_SCROLLUP) |
414 ((infoPtr->dwStyle & UDS_HOTTRACK) && uHot ? DFCS_HOT : 0) |
415 (uPressed ? DFCS_PUSHED : 0) |
416 (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
417 }
418
419 /* Draw the decr button */
420 UPDOWN_GetArrowRect(infoPtr, &rect, FLAG_DECR);
421 if (theme) {
422 DrawThemeBackground(theme, hdc, dPart, dState, &rect, NULL);
423 } else {
424 DrawFrameControl(hdc, &rect, DFC_SCROLL,
425 (infoPtr->dwStyle & UDS_HORZ ? DFCS_SCROLLLEFT : DFCS_SCROLLDOWN) |
426 ((infoPtr->dwStyle & UDS_HOTTRACK) && dHot ? DFCS_HOT : 0) |
427 (dPressed ? DFCS_PUSHED : 0) |
428 (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
429 }
430
431 return 0;
432 }
433
434 /***********************************************************************
435 * UPDOWN_Paint
436 *
437 * Asynchronous drawing (must ONLY be used in WM_PAINT).
438 * Calls UPDOWN_Draw.
439 */
440 static LRESULT UPDOWN_Paint (const UPDOWN_INFO *infoPtr, HDC hdc)
441 {
442 PAINTSTRUCT ps;
443 if (hdc) return UPDOWN_Draw (infoPtr, hdc);
444 hdc = BeginPaint (infoPtr->Self, &ps);
445 UPDOWN_Draw (infoPtr, hdc);
446 EndPaint (infoPtr->Self, &ps);
447 return 0;
448 }
449
450 /***********************************************************************
451 * UPDOWN_KeyPressed
452 *
453 * Handle key presses (up & down) when we have to do so
454 */
455 static LRESULT UPDOWN_KeyPressed(UPDOWN_INFO *infoPtr, int key)
456 {
457 int arrow;
458
459 if (key == VK_UP) arrow = FLAG_INCR;
460 else if (key == VK_DOWN) arrow = FLAG_DECR;
461 else return 1;
462
463 UPDOWN_GetBuddyInt (infoPtr);
464 infoPtr->Flags &= ~FLAG_ARROW;
465 infoPtr->Flags |= FLAG_PRESSED | arrow;
466 InvalidateRect (infoPtr->Self, NULL, FALSE);
467 SetTimer(infoPtr->Self, TIMER_AUTOPRESS, AUTOPRESS_DELAY, 0);
468 UPDOWN_DoAction (infoPtr, 1, arrow);
469 return 0;
470 }
471
472 /***********************************************************************
473 * UPDOWN_Buddy_SubclassProc used to handle messages sent to the buddy
474 * control.
475 */
476 static LRESULT CALLBACK
477 UPDOWN_Buddy_SubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
478 {
479 WNDPROC superClassWndProc = (WNDPROC)GetPropW(hwnd, BUDDY_SUPERCLASS_WNDPROC);
480
481 TRACE("hwnd=%p, wndProc=%p, uMsg=%04x, wParam=%08lx, lParam=%08lx\n",
482 hwnd, superClassWndProc, uMsg, wParam, lParam);
483
484 if (uMsg == WM_KEYDOWN) {
485 HWND upDownHwnd = GetPropW(hwnd, BUDDY_UPDOWN_HWND);
486
487 UPDOWN_KeyPressed(UPDOWN_GetInfoPtr(upDownHwnd), (int)wParam);
488 }
489
490 return CallWindowProcW( superClassWndProc, hwnd, uMsg, wParam, lParam);
491 }
492
493 /***********************************************************************
494 * UPDOWN_SetBuddy
495 *
496 * Sets bud as a new Buddy.
497 * Then, it should subclass the buddy
498 * If window has the UDS_ARROWKEYS, it subcalsses the buddy window to
499 * process the UP/DOWN arrow keys.
500 * If window has the UDS_ALIGNLEFT or UDS_ALIGNRIGHT style
501 * the size/pos of the buddy and the control are adjusted accordingly.
502 */
503 static HWND UPDOWN_SetBuddy (UPDOWN_INFO* infoPtr, HWND bud)
504 {
505 static const WCHAR editW[] = { 'E', 'd', 'i', 't', 0 };
506 static const WCHAR listboxW[] = { 'L', 'i', 's', 't', 'b', 'o', 'x', 0 };
507 RECT budRect; /* new coord for the buddy */
508 int x, width; /* new x position and width for the up-down */
509 WNDPROC baseWndProc;
510 WCHAR buddyClass[40];
511 HWND ret;
512
513 TRACE("(hwnd=%p, bud=%p)\n", infoPtr->Self, bud);
514
515 ret = infoPtr->Buddy;
516
517 /* there is already a body assigned */
518 if (infoPtr->Buddy) RemovePropW(infoPtr->Buddy, BUDDY_UPDOWN_HWND);
519
520 if(!IsWindow(bud))
521 bud = 0;
522
523 /* Store buddy window handle */
524 infoPtr->Buddy = bud;
525
526 if(bud) {
527
528 /* keep upDown ctrl hwnd in a buddy property */
529 SetPropW( bud, BUDDY_UPDOWN_HWND, infoPtr->Self);
530
531 /* Store buddy window class type */
532 infoPtr->BuddyType = BUDDY_TYPE_UNKNOWN;
533 if (GetClassNameW(bud, buddyClass, COUNT_OF(buddyClass))) {
534 if (lstrcmpiW(buddyClass, editW) == 0)
535 infoPtr->BuddyType = BUDDY_TYPE_EDIT;
536 else if (lstrcmpiW(buddyClass, listboxW) == 0)
537 infoPtr->BuddyType = BUDDY_TYPE_LISTBOX;
538 }
539
540 if(infoPtr->dwStyle & UDS_ARROWKEYS){
541 /* Note that I don't clear the BUDDY_SUPERCLASS_WNDPROC property
542 when we reset the upDown ctrl buddy to another buddy because it is not
543 good to break the window proc chain. */
544 if (!GetPropW(bud, BUDDY_SUPERCLASS_WNDPROC)) {
545 baseWndProc = (WNDPROC)SetWindowLongPtrW(bud, GWLP_WNDPROC, (LPARAM)UPDOWN_Buddy_SubclassProc);
546 SetPropW(bud, BUDDY_SUPERCLASS_WNDPROC, (HANDLE)baseWndProc);
547 }
548 }
549
550 /* Get the rect of the buddy relative to its parent */
551 GetWindowRect(infoPtr->Buddy, &budRect);
552 MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->Buddy), (POINT *)(&budRect.left), 2);
553
554 /* now do the positioning */
555 if (infoPtr->dwStyle & UDS_ALIGNLEFT) {
556 x = budRect.left;
557 budRect.left += DEFAULT_WIDTH + DEFAULT_XSEP;
558 } else if (infoPtr->dwStyle & UDS_ALIGNRIGHT) {
559 budRect.right -= DEFAULT_WIDTH + DEFAULT_XSEP;
560 x = budRect.right+DEFAULT_XSEP;
561 } else {
562 /* nothing to do */
563 return ret;
564 }
565
566 /* first adjust the buddy to accommodate the up/down */
567 SetWindowPos(infoPtr->Buddy, 0, budRect.left, budRect.top,
568 budRect.right - budRect.left, budRect.bottom - budRect.top,
569 SWP_NOACTIVATE|SWP_NOZORDER);
570
571 /* now position the up/down */
572 /* Since the UDS_ALIGN* flags were used, */
573 /* we will pick the position and size of the window. */
574 width = DEFAULT_WIDTH;
575
576 /*
577 * If the updown has a buddy border, it has to overlap with the buddy
578 * to look as if it is integrated with the buddy control.
579 * We nudge the control or change its size to overlap.
580 */
581 if (UPDOWN_HasBuddyBorder(infoPtr)) {
582 if(infoPtr->dwStyle & UDS_ALIGNLEFT)
583 width += DEFAULT_BUDDYBORDER;
584 else
585 x -= DEFAULT_BUDDYBORDER;
586 }
587
588 SetWindowPos(infoPtr->Self, 0, x,
589 budRect.top - DEFAULT_ADDTOP, width,
590 budRect.bottom - budRect.top + DEFAULT_ADDTOP + DEFAULT_ADDBOT,
591 SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOZORDER);
592 } else {
593 RECT rect;
594 GetWindowRect(infoPtr->Self, &rect);
595 MapWindowPoints(HWND_DESKTOP, GetParent(infoPtr->Self), (POINT *)&rect, 2);
596 SetWindowPos(infoPtr->Self, 0, rect.left, rect.top, DEFAULT_WIDTH, rect.bottom - rect.top,
597 SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOZORDER);
598 }
599 return ret;
600 }
601
602 /***********************************************************************
603 * UPDOWN_DoAction
604 *
605 * This function increments/decrements the CurVal by the
606 * 'delta' amount according to the 'action' flag which can be a
607 * combination of FLAG_INCR and FLAG_DECR
608 * It notifies the parent as required.
609 * It handles wraping and non-wraping correctly.
610 * It is assumed that delta>0
611 */
612 static void UPDOWN_DoAction (UPDOWN_INFO *infoPtr, int delta, int action)
613 {
614 NM_UPDOWN ni;
615
616 TRACE("%d by %d\n", action, delta);
617
618 /* check if we can do the modification first */
619 delta *= (action & FLAG_INCR ? 1 : -1) * (infoPtr->MaxVal < infoPtr->MinVal ? -1 : 1);
620 if ( (action & FLAG_INCR) && (action & FLAG_DECR) ) delta = 0;
621
622 TRACE("current %d, delta: %d\n", infoPtr->CurVal, delta);
623
624 /* We must notify parent now to obtain permission */
625 ni.iPos = infoPtr->CurVal;
626 ni.iDelta = delta;
627 ni.hdr.hwndFrom = infoPtr->Self;
628 ni.hdr.idFrom = GetWindowLongPtrW (infoPtr->Self, GWLP_ID);
629 ni.hdr.code = UDN_DELTAPOS;
630 if (!SendMessageW(infoPtr->Notify, WM_NOTIFY, (WPARAM)ni.hdr.idFrom, (LPARAM)&ni)) {
631 /* Parent said: OK to adjust */
632
633 /* Now adjust value with (maybe new) delta */
634 if (UPDOWN_OffsetVal (infoPtr, ni.iDelta)) {
635 TRACE("new %d, delta: %d\n", infoPtr->CurVal, ni.iDelta);
636
637 /* Now take care about our buddy */
638 UPDOWN_SetBuddyInt (infoPtr);
639 }
640 }
641
642 /* Also, notify it. This message is sent in any case. */
643 SendMessageW( infoPtr->Notify, (infoPtr->dwStyle & UDS_HORZ) ? WM_HSCROLL : WM_VSCROLL,
644 MAKELONG(SB_THUMBPOSITION, infoPtr->CurVal), (LPARAM)infoPtr->Self);
645 }
646
647 /***********************************************************************
648 * UPDOWN_IsEnabled
649 *
650 * Returns TRUE if it is enabled as well as its buddy (if any)
651 * FALSE otherwise
652 */
653 static BOOL UPDOWN_IsEnabled (const UPDOWN_INFO *infoPtr)
654 {
655 if (!IsWindowEnabled(infoPtr->Self))
656 return FALSE;
657 if(infoPtr->Buddy)
658 return IsWindowEnabled(infoPtr->Buddy);
659 return TRUE;
660 }
661
662 /***********************************************************************
663 * UPDOWN_CancelMode
664 *
665 * Deletes any timers, releases the mouse and does redraw if necessary.
666 * If the control is not in "capture" mode, it does nothing.
667 * If the control was not in cancel mode, it returns FALSE.
668 * If the control was in cancel mode, it returns TRUE.
669 */
670 static BOOL UPDOWN_CancelMode (UPDOWN_INFO *infoPtr)
671 {
672 if (!(infoPtr->Flags & FLAG_PRESSED)) return FALSE;
673
674 KillTimer (infoPtr->Self, TIMER_AUTOREPEAT);
675 KillTimer (infoPtr->Self, TIMER_ACCEL);
676 KillTimer (infoPtr->Self, TIMER_AUTOPRESS);
677
678 if (GetCapture() == infoPtr->Self) {
679 NMHDR hdr;
680 hdr.hwndFrom = infoPtr->Self;
681 hdr.idFrom = GetWindowLongPtrW (infoPtr->Self, GWLP_ID);
682 hdr.code = NM_RELEASEDCAPTURE;
683 SendMessageW(infoPtr->Notify, WM_NOTIFY, hdr.idFrom, (LPARAM)&hdr);
684 ReleaseCapture();
685 }
686
687 infoPtr->Flags &= ~FLAG_PRESSED;
688 InvalidateRect (infoPtr->Self, NULL, FALSE);
689
690 return TRUE;
691 }
692
693 /***********************************************************************
694 * UPDOWN_HandleMouseEvent
695 *
696 * Handle a mouse event for the updown.
697 * 'pt' is the location of the mouse event in client or
698 * windows coordinates.
699 */
700 static void UPDOWN_HandleMouseEvent (UPDOWN_INFO *infoPtr, UINT msg, INT x, INT y)
701 {
702 POINT pt = { x, y };
703 RECT rect;
704 int temp, arrow;
705 TRACKMOUSEEVENT tme;
706
707 TRACE("msg %04x point %s\n", msg, wine_dbgstr_point(&pt));
708
709 switch(msg)
710 {
711 case WM_LBUTTONDOWN: /* Initialise mouse tracking */
712
713 /* If the buddy is an edit, will set focus to it */
714 if (UPDOWN_IsBuddyEdit(infoPtr)) SetFocus(infoPtr->Buddy);
715
716 /* Now see which one is the 'active' arrow */
717 arrow = UPDOWN_GetArrowFromPoint (infoPtr, &rect, pt);
718
719 /* Update the flags if we are in/out */
720 infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW);
721 if (arrow)
722 infoPtr->Flags |= FLAG_MOUSEIN | arrow;
723 else
724 if (infoPtr->AccelIndex != -1) infoPtr->AccelIndex = 0;
725
726 if (infoPtr->Flags & FLAG_ARROW) {
727
728 /* Update the CurVal if necessary */
729 UPDOWN_GetBuddyInt (infoPtr);
730
731 /* Set up the correct flags */
732 infoPtr->Flags |= FLAG_PRESSED;
733
734 /* repaint the control */
735 InvalidateRect (infoPtr->Self, NULL, FALSE);
736
737 /* process the click */
738 temp = (infoPtr->AccelCount && infoPtr->AccelVect) ? infoPtr->AccelVect[0].nInc : 1;
739 UPDOWN_DoAction (infoPtr, temp, infoPtr->Flags & FLAG_ARROW);
740
741 /* now capture all mouse messages */
742 SetCapture (infoPtr->Self);
743
744 /* and startup the first timer */
745 SetTimer(infoPtr->Self, TIMER_AUTOREPEAT, INITIAL_DELAY, 0);
746 }
747 break;
748
749 case WM_MOUSEMOVE:
750 /* save the flags to see if any got modified */
751 temp = infoPtr->Flags;
752
753 /* Now see which one is the 'active' arrow */
754 arrow = UPDOWN_GetArrowFromPoint (infoPtr, &rect, pt);
755
756 /* Update the flags if we are in/out */
757 infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW);
758 if(arrow) {
759 infoPtr->Flags |= FLAG_MOUSEIN | arrow;
760 } else {
761 if(infoPtr->AccelIndex != -1) infoPtr->AccelIndex = 0;
762 }
763
764 /* If state changed, redraw the control */
765 if(temp != infoPtr->Flags)
766 InvalidateRect (infoPtr->Self, NULL, FALSE);
767
768 /* Set up tracking so the mousein flags can be reset when the
769 * mouse leaves the control */
770 tme.cbSize = sizeof( tme );
771 tme.dwFlags = TME_LEAVE;
772 tme.hwndTrack = infoPtr->Self;
773 TrackMouseEvent (&tme);
774
775 break;
776 case WM_MOUSELEAVE:
777 infoPtr->Flags &= ~(FLAG_MOUSEIN | FLAG_ARROW);
778 InvalidateRect (infoPtr->Self, NULL, FALSE);
779 break;
780
781 default:
782 ERR("Impossible case (msg=%x)!\n", msg);
783 }
784
785 }
786
787 /***********************************************************************
788 * UpDownWndProc
789 */
790 static LRESULT WINAPI UpDownWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
791 {
792 UPDOWN_INFO *infoPtr = UPDOWN_GetInfoPtr (hwnd);
793 int temp;
794 static const WCHAR themeClass[] = {'S','p','i','n',0};
795 HTHEME theme;
796
797 TRACE("hwnd=%p msg=%04x wparam=%08lx lparam=%08lx\n", hwnd, message, wParam, lParam);
798
799 if (!infoPtr && (message != WM_CREATE))
800 return DefWindowProcW (hwnd, message, wParam, lParam);
801
802 switch(message)
803 {
804 case WM_CREATE:
805 infoPtr = (UPDOWN_INFO*)Alloc (sizeof(UPDOWN_INFO));
806 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
807
808 /* initialize the info struct */
809 infoPtr->Self = hwnd;
810 infoPtr->Notify = ((LPCREATESTRUCTW)lParam)->hwndParent;
811 infoPtr->dwStyle = ((LPCREATESTRUCTW)lParam)->style;
812 infoPtr->AccelCount = 0;
813 infoPtr->AccelVect = 0;
814 infoPtr->AccelIndex = -1;
815 infoPtr->CurVal = 0;
816 infoPtr->MinVal = 100;
817 infoPtr->MaxVal = 0;
818 infoPtr->Base = 10; /* Default to base 10 */
819 infoPtr->Buddy = 0; /* No buddy window yet */
820 infoPtr->Flags = 0; /* And no flags */
821
822 SetWindowLongW (hwnd, GWL_STYLE, infoPtr->dwStyle & ~WS_BORDER);
823
824 /* Do we pick the buddy win ourselves? */
825 if (infoPtr->dwStyle & UDS_AUTOBUDDY)
826 UPDOWN_SetBuddy (infoPtr, GetWindow (hwnd, GW_HWNDPREV));
827
828 OpenThemeData (hwnd, themeClass);
829
830 TRACE("UpDown Ctrl creation, hwnd=%p\n", hwnd);
831 break;
832
833 case WM_DESTROY:
834 Free (infoPtr->AccelVect);
835
836 if(infoPtr->Buddy) RemovePropW(infoPtr->Buddy, BUDDY_UPDOWN_HWND);
837
838 Free (infoPtr);
839 SetWindowLongPtrW (hwnd, 0, 0);
840 theme = GetWindowTheme (hwnd);
841 CloseThemeData (theme);
842 TRACE("UpDown Ctrl destruction, hwnd=%p\n", hwnd);
843 break;
844
845 case WM_ENABLE:
846 if (wParam) {
847 infoPtr->dwStyle &= ~WS_DISABLED;
848 } else {
849 infoPtr->dwStyle |= WS_DISABLED;
850 UPDOWN_CancelMode (infoPtr);
851 }
852 InvalidateRect (infoPtr->Self, NULL, FALSE);
853 break;
854
855 case WM_STYLECHANGED:
856 if (wParam == GWL_STYLE) {
857 infoPtr->dwStyle = ((LPSTYLESTRUCT)lParam)->styleNew;
858 InvalidateRect (infoPtr->Self, NULL, FALSE);
859 }
860 break;
861
862 case WM_THEMECHANGED:
863 theme = GetWindowTheme (hwnd);
864 CloseThemeData (theme);
865 OpenThemeData (hwnd, themeClass);
866 InvalidateRect (hwnd, NULL, FALSE);
867 break;
868
869 case WM_TIMER:
870 /* is this the auto-press timer? */
871 if(wParam == TIMER_AUTOPRESS) {
872 KillTimer(hwnd, TIMER_AUTOPRESS);
873 infoPtr->Flags &= ~(FLAG_PRESSED | FLAG_ARROW);
874 InvalidateRect(infoPtr->Self, NULL, FALSE);
875 }
876
877 /* if initial timer, kill it and start the repeat timer */
878 if(wParam == TIMER_AUTOREPEAT) {
879 KillTimer(hwnd, TIMER_AUTOREPEAT);
880 /* if no accel info given, used default timer */
881 if(infoPtr->AccelCount==0 || infoPtr->AccelVect==0) {
882 infoPtr->AccelIndex = -1;
883 temp = REPEAT_DELAY;
884 } else {
885 infoPtr->AccelIndex = 0; /* otherwise, use it */
886 temp = infoPtr->AccelVect[infoPtr->AccelIndex].nSec * 1000 + 1;
887 }
888 SetTimer(hwnd, TIMER_ACCEL, temp, 0);
889 }
890
891 /* now, if the mouse is above us, do the thing...*/
892 if(infoPtr->Flags & FLAG_MOUSEIN) {
893 temp = infoPtr->AccelIndex == -1 ? 1 : infoPtr->AccelVect[infoPtr->AccelIndex].nInc;
894 UPDOWN_DoAction(infoPtr, temp, infoPtr->Flags & FLAG_ARROW);
895
896 if(infoPtr->AccelIndex != -1 && infoPtr->AccelIndex < infoPtr->AccelCount-1) {
897 KillTimer(hwnd, TIMER_ACCEL);
898 infoPtr->AccelIndex++; /* move to the next accel info */
899 temp = infoPtr->AccelVect[infoPtr->AccelIndex].nSec * 1000 + 1;
900 /* make sure we have at least 1ms intervals */
901 SetTimer(hwnd, TIMER_ACCEL, temp, 0);
902 }
903 }
904 break;
905
906 case WM_CANCELMODE:
907 return UPDOWN_CancelMode (infoPtr);
908
909 case WM_LBUTTONUP:
910 if (GetCapture() != infoPtr->Self) break;
911
912 if ( (infoPtr->Flags & FLAG_MOUSEIN) &&
913 (infoPtr->Flags & FLAG_ARROW) ) {
914
915 SendMessageW( infoPtr->Notify,
916 (infoPtr->dwStyle & UDS_HORZ) ? WM_HSCROLL : WM_VSCROLL,
917 MAKELONG(SB_ENDSCROLL, infoPtr->CurVal),
918 (LPARAM)hwnd);
919 if (UPDOWN_IsBuddyEdit(infoPtr))
920 SendMessageW(infoPtr->Buddy, EM_SETSEL, 0, MAKELONG(0, -1));
921 }
922 UPDOWN_CancelMode(infoPtr);
923 break;
924
925 case WM_LBUTTONDOWN:
926 case WM_MOUSEMOVE:
927 case WM_MOUSELEAVE:
928 if(UPDOWN_IsEnabled(infoPtr))
929 UPDOWN_HandleMouseEvent (infoPtr, message, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
930 break;
931
932 case WM_KEYDOWN:
933 if((infoPtr->dwStyle & UDS_ARROWKEYS) && UPDOWN_IsEnabled(infoPtr))
934 return UPDOWN_KeyPressed(infoPtr, (int)wParam);
935 break;
936
937 case WM_PRINTCLIENT:
938 case WM_PAINT:
939 return UPDOWN_Paint (infoPtr, (HDC)wParam);
940
941 case UDM_GETACCEL:
942 if (wParam==0 && lParam==0) return infoPtr->AccelCount;
943 if (wParam && lParam) {
944 temp = min(infoPtr->AccelCount, wParam);
945 memcpy((void *)lParam, infoPtr->AccelVect, temp*sizeof(UDACCEL));
946 return temp;
947 }
948 return 0;
949
950 case UDM_SETACCEL:
951 TRACE("UDM_SETACCEL\n");
952
953 if(infoPtr->AccelVect) {
954 Free (infoPtr->AccelVect);
955 infoPtr->AccelCount = 0;
956 infoPtr->AccelVect = 0;
957 }
958 if(wParam==0) return TRUE;
959 infoPtr->AccelVect = Alloc (wParam*sizeof(UDACCEL));
960 if(infoPtr->AccelVect == 0) return FALSE;
961 memcpy(infoPtr->AccelVect, (void*)lParam, wParam*sizeof(UDACCEL));
962 infoPtr->AccelCount = wParam;
963
964 for (temp = 0; temp < wParam; temp++)
965 TRACE("%d: nSec %u nInc %u\n", temp, infoPtr->AccelVect[temp].nSec, infoPtr->AccelVect[temp].nInc);
966
967 return TRUE;
968
969 case UDM_GETBASE:
970 return infoPtr->Base;
971
972 case UDM_SETBASE:
973 TRACE("UpDown Ctrl new base(%ld), hwnd=%p\n", wParam, hwnd);
974 if (wParam==10 || wParam==16) {
975 temp = infoPtr->Base;
976 infoPtr->Base = wParam;
977 return temp;
978 }
979 break;
980
981 case UDM_GETBUDDY:
982 return (LRESULT)infoPtr->Buddy;
983
984 case UDM_SETBUDDY:
985 return (LRESULT)UPDOWN_SetBuddy (infoPtr, (HWND)wParam);
986
987 case UDM_GETPOS:
988 temp = UPDOWN_GetBuddyInt (infoPtr);
989 return MAKELONG(infoPtr->CurVal, temp ? 0 : 1);
990
991 case UDM_SETPOS:
992 temp = (short)LOWORD(lParam);
993 TRACE("UpDown Ctrl new value(%d), hwnd=%p\n", temp, hwnd);
994 if(!UPDOWN_InBounds(infoPtr, temp)) {
995 if(temp < infoPtr->MinVal) temp = infoPtr->MinVal;
996 if(temp > infoPtr->MaxVal) temp = infoPtr->MaxVal;
997 }
998 wParam = infoPtr->CurVal;
999 infoPtr->CurVal = temp;
1000 UPDOWN_SetBuddyInt (infoPtr);
1001 return wParam; /* return prev value */
1002
1003 case UDM_GETRANGE:
1004 return MAKELONG(infoPtr->MaxVal, infoPtr->MinVal);
1005
1006 case UDM_SETRANGE:
1007 /* we must have: */
1008 infoPtr->MaxVal = (short)(lParam); /* UD_MINVAL <= Max <= UD_MAXVAL */
1009 infoPtr->MinVal = (short)HIWORD(lParam); /* UD_MINVAL <= Min <= UD_MAXVAL */
1010 /* |Max-Min| <= UD_MAXVAL */
1011 TRACE("UpDown Ctrl new range(%d to %d), hwnd=%p\n",
1012 infoPtr->MinVal, infoPtr->MaxVal, hwnd);
1013 break;
1014
1015 case UDM_GETRANGE32:
1016 if (wParam) *(LPINT)wParam = infoPtr->MinVal;
1017 if (lParam) *(LPINT)lParam = infoPtr->MaxVal;
1018 break;
1019
1020 case UDM_SETRANGE32:
1021 infoPtr->MinVal = (INT)wParam;
1022 infoPtr->MaxVal = (INT)lParam;
1023 if (infoPtr->MaxVal <= infoPtr->MinVal)
1024 infoPtr->MaxVal = infoPtr->MinVal + 1;
1025 TRACE("UpDown Ctrl new range(%d to %d), hwnd=%p\n",
1026 infoPtr->MinVal, infoPtr->MaxVal, hwnd);
1027 break;
1028
1029 case UDM_GETPOS32:
1030 if ((LPBOOL)lParam != NULL) *((LPBOOL)lParam) = TRUE;
1031 return infoPtr->CurVal;
1032
1033 case UDM_SETPOS32:
1034 if(!UPDOWN_InBounds(infoPtr, (int)lParam)) {
1035 if((int)lParam < infoPtr->MinVal) lParam = infoPtr->MinVal;
1036 if((int)lParam > infoPtr->MaxVal) lParam = infoPtr->MaxVal;
1037 }
1038 temp = infoPtr->CurVal; /* save prev value */
1039 infoPtr->CurVal = (int)lParam; /* set the new value */
1040 UPDOWN_SetBuddyInt (infoPtr);
1041 return temp; /* return prev value */
1042
1043 case UDM_GETUNICODEFORMAT:
1044 /* we lie a bit here, we're always using Unicode internally */
1045 return infoPtr->UnicodeFormat;
1046
1047 case UDM_SETUNICODEFORMAT:
1048 /* do we really need to honour this flag? */
1049 temp = infoPtr->UnicodeFormat;
1050 infoPtr->UnicodeFormat = (BOOL)wParam;
1051 return temp;
1052
1053 default:
1054 if ((message >= WM_USER) && (message < WM_APP))
1055 ERR("unknown msg %04x wp=%04lx lp=%08lx\n", message, wParam, lParam);
1056 return DefWindowProcW (hwnd, message, wParam, lParam);
1057 }
1058
1059 return 0;
1060 }
1061
1062 /***********************************************************************
1063 * UPDOWN_Register [Internal]
1064 *
1065 * Registers the updown window class.
1066 */
1067 void UPDOWN_Register(void)
1068 {
1069 WNDCLASSW wndClass;
1070
1071 ZeroMemory( &wndClass, sizeof( WNDCLASSW ) );
1072 wndClass.style = CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
1073 wndClass.lpfnWndProc = UpDownWindowProc;
1074 wndClass.cbClsExtra = 0;
1075 wndClass.cbWndExtra = sizeof(UPDOWN_INFO*);
1076 wndClass.hCursor = LoadCursorW( 0, (LPWSTR)IDC_ARROW );
1077 wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1078 wndClass.lpszClassName = UPDOWN_CLASSW;
1079
1080 RegisterClassW( &wndClass );
1081 }
1082
1083
1084 /***********************************************************************
1085 * UPDOWN_Unregister [Internal]
1086 *
1087 * Unregisters the updown window class.
1088 */
1089 void UPDOWN_Unregister (void)
1090 {
1091 UnregisterClassW (UPDOWN_CLASSW, NULL);
1092 }
Windows API implementation