1 /*
2 * Trackbar control
3 *
4 * Copyright 1998, 1999 Eric Kohl
5 * Copyright 1998, 1999 Alex Priem
6 * Copyright 2002 Dimitrie O. Paun
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
23 #include <stdarg.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <math.h>
28
29 #include "windef.h"
30 #include "winbase.h"
31 #include "wingdi.h"
32 #include "winuser.h"
33 #include "winnls.h"
34 #include "commctrl.h"
35 #include "uxtheme.h"
36 #include "vssym32.h"
37 #include "wine/debug.h"
38
39 #include "comctl32.h"
40
41 WINE_DEFAULT_DEBUG_CHANNEL(trackbar);
42
43 typedef struct
44 {
45 HWND hwndSelf;
46 DWORD dwStyle;
47 LONG lRangeMin;
48 LONG lRangeMax;
49 LONG lLineSize;
50 LONG lPageSize;
51 LONG lSelMin;
52 LONG lSelMax;
53 LONG lPos;
54 UINT uThumbLen;
55 UINT uNumTics;
56 UINT uTicFreq;
57 HWND hwndNotify;
58 HWND hwndToolTip;
59 HWND hwndBuddyLA;
60 HWND hwndBuddyRB;
61 INT fLocation;
62 DWORD flags;
63 BOOL bUnicode;
64 RECT rcChannel;
65 RECT rcSelection;
66 RECT rcThumb;
67 LPLONG tics;
68 } TRACKBAR_INFO;
69
70 #define TB_REFRESH_TIMER 1
71 #define TB_REFRESH_DELAY 500
72
73 #define TOOLTIP_OFFSET 2 /* distance from ctrl edge to tooltip */
74
75 #define TB_DEFAULTPAGESIZE 20
76
77 /* Used by TRACKBAR_Refresh to find out which parts of the control
78 need to be recalculated */
79
80 #define TB_THUMBPOSCHANGED 0x00000001
81 #define TB_THUMBSIZECHANGED 0x00000002
82 #define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBSIZECHANGED)
83 #define TB_SELECTIONCHANGED 0x00000004
84 #define TB_DRAG_MODE 0x00000008 /* we're dragging the slider */
85 #define TB_AUTO_PAGE_LEFT 0x00000010
86 #define TB_AUTO_PAGE_RIGHT 0x00000020
87 #define TB_AUTO_PAGE (TB_AUTO_PAGE_LEFT | TB_AUTO_PAGE_RIGHT)
88 #define TB_THUMB_HOT 0x00000040 /* mouse hovers above thumb */
89
90 /* Page was set with TBM_SETPAGESIZE */
91 #define TB_USER_PAGE 0x00000080
92 #define TB_IS_FOCUSED 0x00000100
93
94 /* helper defines for TRACKBAR_DrawTic */
95 #define TIC_EDGE 0x20
96 #define TIC_SELECTIONMARKMAX 0x80
97 #define TIC_SELECTIONMARKMIN 0x100
98 #define TIC_SELECTIONMARK (TIC_SELECTIONMARKMAX | TIC_SELECTIONMARKMIN)
99
100 static const WCHAR themeClass[] = { 'T','r','a','c','k','b','a','r',0 };
101
102 static inline int
notify_customdraw(const TRACKBAR_INFO * infoPtr,NMCUSTOMDRAW * pnmcd,int stage)103 notify_customdraw (const TRACKBAR_INFO *infoPtr, NMCUSTOMDRAW *pnmcd, int stage)
104 {
105 pnmcd->dwDrawStage = stage;
106 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
107 pnmcd->hdr.idFrom, (LPARAM)pnmcd);
108 }
109
notify_hdr(const TRACKBAR_INFO * infoPtr,INT code,LPNMHDR pnmh)110 static LRESULT notify_hdr (const TRACKBAR_INFO *infoPtr, INT code, LPNMHDR pnmh)
111 {
112 LRESULT result;
113
114 TRACE("(code=%d)\n", code);
115
116 pnmh->hwndFrom = infoPtr->hwndSelf;
117 pnmh->idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
118 pnmh->code = code;
119 result = SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, pnmh->idFrom, (LPARAM)pnmh);
120
121 TRACE(" <= %ld\n", result);
122
123 return result;
124 }
125
notify(const TRACKBAR_INFO * infoPtr,INT code)126 static inline int notify (const TRACKBAR_INFO *infoPtr, INT code)
127 {
128 NMHDR nmh;
129 return notify_hdr(infoPtr, code, &nmh);
130 }
131
notify_with_scroll(const TRACKBAR_INFO * infoPtr,UINT code)132 static void notify_with_scroll (const TRACKBAR_INFO *infoPtr, UINT code)
133 {
134 UINT scroll = infoPtr->dwStyle & TBS_VERT ? WM_VSCROLL : WM_HSCROLL;
135
136 TRACE("%x\n", code);
137
138 SendMessageW (infoPtr->hwndNotify, scroll, code, (LPARAM)infoPtr->hwndSelf);
139 }
140
TRACKBAR_RecalculateTics(TRACKBAR_INFO * infoPtr)141 static void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr)
142 {
143 int tic;
144 unsigned nrTics, i;
145
146 if (infoPtr->uTicFreq && infoPtr->lRangeMax >= infoPtr->lRangeMin) {
147 nrTics=(infoPtr->lRangeMax - infoPtr->lRangeMin)/infoPtr->uTicFreq;
148 /* don't add extra tic if there's no remainder */
149 if (nrTics && ((infoPtr->lRangeMax - infoPtr->lRangeMin) % infoPtr->uTicFreq == 0))
150 nrTics--;
151 }
152 else {
153 Free (infoPtr->tics);
154 infoPtr->tics = NULL;
155 infoPtr->uNumTics = 0;
156 return;
157 }
158
159 if (nrTics != infoPtr->uNumTics) {
160 infoPtr->tics=ReAlloc (infoPtr->tics,
161 (nrTics+1)*sizeof (DWORD));
162 if (!infoPtr->tics) {
163 infoPtr->uNumTics = 0;
164 notify(infoPtr, NM_OUTOFMEMORY);
165 return;
166 }
167 infoPtr->uNumTics = nrTics;
168 }
169
170 tic = infoPtr->lRangeMin + infoPtr->uTicFreq;
171 for (i = 0; i < nrTics; i++, tic += infoPtr->uTicFreq)
172 infoPtr->tics[i] = tic;
173 }
174
175 /* converts from physical (mouse) position to logical position
176 (in range of trackbar) */
177
178 static inline LONG
TRACKBAR_ConvertPlaceToPosition(const TRACKBAR_INFO * infoPtr,int place)179 TRACKBAR_ConvertPlaceToPosition (const TRACKBAR_INFO *infoPtr, int place)
180 {
181 double range, width, pos, offsetthumb;
182
183 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
184 if (infoPtr->dwStyle & TBS_VERT) {
185 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
186 width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - (offsetthumb * 2) - 1;
187 pos = (range*(place - infoPtr->rcChannel.top - offsetthumb)) / width;
188 } else {
189 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
190 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - (offsetthumb * 2) - 1;
191 pos = (range*(place - infoPtr->rcChannel.left - offsetthumb)) / width;
192 }
193 pos += infoPtr->lRangeMin;
194 if (pos > infoPtr->lRangeMax)
195 pos = infoPtr->lRangeMax;
196 else if (pos < infoPtr->lRangeMin)
197 pos = infoPtr->lRangeMin;
198
199 TRACE("%.2f\n", pos);
200 return (LONG)floor(pos + 0.5);
201 }
202
203
204 /* return: 0> prev, 0 none, >0 next */
205 static LONG
TRACKBAR_GetAutoPageDirection(const TRACKBAR_INFO * infoPtr,POINT clickPoint)206 TRACKBAR_GetAutoPageDirection (const TRACKBAR_INFO *infoPtr, POINT clickPoint)
207 {
208 RECT pageRect;
209
210 if (infoPtr->dwStyle & TBS_VERT) {
211 pageRect.top = infoPtr->rcChannel.top;
212 pageRect.bottom = infoPtr->rcChannel.bottom;
213 pageRect.left = infoPtr->rcThumb.left;
214 pageRect.right = infoPtr->rcThumb.right;
215 } else {
216 pageRect.top = infoPtr->rcThumb.top;
217 pageRect.bottom = infoPtr->rcThumb.bottom;
218 pageRect.left = infoPtr->rcChannel.left;
219 pageRect.right = infoPtr->rcChannel.right;
220 }
221
222
223 if (PtInRect(&pageRect, clickPoint))
224 {
225 int clickPlace = (infoPtr->dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x;
226
227 LONG clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace);
228
229 return clickPos - infoPtr->lPos;
230 }
231
232 return 0;
233 }
234
235 static inline void
TRACKBAR_PageDown(TRACKBAR_INFO * infoPtr)236 TRACKBAR_PageDown (TRACKBAR_INFO *infoPtr)
237 {
238 if (infoPtr->lPos == infoPtr->lRangeMax) return;
239
240 infoPtr->lPos += infoPtr->lPageSize;
241 if (infoPtr->lPos > infoPtr->lRangeMax)
242 infoPtr->lPos = infoPtr->lRangeMax;
243 notify_with_scroll (infoPtr, TB_PAGEDOWN);
244 }
245
246
247 static inline void
TRACKBAR_PageUp(TRACKBAR_INFO * infoPtr)248 TRACKBAR_PageUp (TRACKBAR_INFO *infoPtr)
249 {
250 if (infoPtr->lPos == infoPtr->lRangeMin) return;
251
252 infoPtr->lPos -= infoPtr->lPageSize;
253 if (infoPtr->lPos < infoPtr->lRangeMin)
254 infoPtr->lPos = infoPtr->lRangeMin;
255 notify_with_scroll (infoPtr, TB_PAGEUP);
256 }
257
TRACKBAR_LineUp(TRACKBAR_INFO * infoPtr)258 static inline void TRACKBAR_LineUp(TRACKBAR_INFO *infoPtr)
259 {
260 if (infoPtr->lPos == infoPtr->lRangeMin) return;
261 infoPtr->lPos -= infoPtr->lLineSize;
262 if (infoPtr->lPos < infoPtr->lRangeMin)
263 infoPtr->lPos = infoPtr->lRangeMin;
264 notify_with_scroll (infoPtr, TB_LINEUP);
265 }
266
TRACKBAR_LineDown(TRACKBAR_INFO * infoPtr)267 static inline void TRACKBAR_LineDown(TRACKBAR_INFO *infoPtr)
268 {
269 if (infoPtr->lPos == infoPtr->lRangeMax) return;
270 infoPtr->lPos += infoPtr->lLineSize;
271 if (infoPtr->lPos > infoPtr->lRangeMax)
272 infoPtr->lPos = infoPtr->lRangeMax;
273 notify_with_scroll (infoPtr, TB_LINEDOWN);
274 }
275
276 static void
TRACKBAR_CalcChannel(TRACKBAR_INFO * infoPtr)277 TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
278 {
279 INT cyChannel, offsetthumb, offsetedge;
280 RECT lpRect, *channel = & infoPtr->rcChannel;
281
282 GetClientRect (infoPtr->hwndSelf, &lpRect);
283
284 offsetthumb = infoPtr->uThumbLen / 4;
285 offsetedge = offsetthumb + 3;
286 cyChannel = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4;
287 if (infoPtr->dwStyle & TBS_VERT) {
288 channel->top = lpRect.top + offsetedge;
289 channel->bottom = lpRect.bottom - offsetedge;
290 if (infoPtr->dwStyle & TBS_ENABLESELRANGE)
291 channel->left = lpRect.left + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
292 else
293 channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1;
294 if (infoPtr->dwStyle & TBS_BOTH) {
295 if (infoPtr->dwStyle & TBS_NOTICKS)
296 channel->left += 1;
297 else
298 channel->left += 9;
299 }
300 else if (infoPtr->dwStyle & TBS_TOP) {
301 if (infoPtr->dwStyle & TBS_NOTICKS)
302 channel->left += 2;
303 else
304 channel->left += 10;
305 }
306 channel->right = channel->left + cyChannel;
307 } else {
308 channel->left = lpRect.left + offsetedge;
309 channel->right = lpRect.right - offsetedge;
310 if (infoPtr->dwStyle & TBS_ENABLESELRANGE)
311 channel->top = lpRect.top + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
312 else
313 channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1;
314 if (infoPtr->dwStyle & TBS_BOTH) {
315 if (infoPtr->dwStyle & TBS_NOTICKS)
316 channel->top += 1;
317 else
318 channel->top += 9;
319 }
320 else if (infoPtr->dwStyle & TBS_TOP) {
321 if (infoPtr->dwStyle & TBS_NOTICKS)
322 channel->top += 2;
323 else
324 channel->top += 10;
325 }
326 channel->bottom = channel->top + cyChannel;
327 }
328 }
329
330 static void
TRACKBAR_CalcThumb(const TRACKBAR_INFO * infoPtr,LONG lPos,RECT * thumb)331 TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
332 {
333 int range, width, height, thumbwidth;
334 RECT lpRect;
335
336 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
337 thumbwidth = (infoPtr->uThumbLen / 2) | 1;
338
339 if (!range) range = 1;
340
341 GetClientRect(infoPtr->hwndSelf, &lpRect);
342 if (infoPtr->dwStyle & TBS_VERT)
343 {
344 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth;
345
346 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_LEFT)) && !(infoPtr->dwStyle & TBS_NOTICKS))
347 thumb->left = 10;
348 else
349 thumb->left = 2;
350 thumb->right = thumb->left + infoPtr->uThumbLen;
351 thumb->top = infoPtr->rcChannel.top +
352 (height*(lPos - infoPtr->lRangeMin))/range;
353 thumb->bottom = thumb->top + thumbwidth;
354 }
355 else
356 {
357 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - thumbwidth;
358
359 thumb->left = infoPtr->rcChannel.left +
360 (width*(lPos - infoPtr->lRangeMin))/range;
361 thumb->right = thumb->left + thumbwidth;
362 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_TOP)) && !(infoPtr->dwStyle & TBS_NOTICKS))
363 thumb->top = 10;
364 else
365 thumb->top = 2;
366 thumb->bottom = thumb->top + infoPtr->uThumbLen;
367 }
368 }
369
370 static inline void
TRACKBAR_UpdateThumb(TRACKBAR_INFO * infoPtr)371 TRACKBAR_UpdateThumb (TRACKBAR_INFO *infoPtr)
372 {
373 TRACKBAR_CalcThumb(infoPtr, infoPtr->lPos, &infoPtr->rcThumb);
374 }
375
376 static inline void
TRACKBAR_InvalidateAll(const TRACKBAR_INFO * infoPtr)377 TRACKBAR_InvalidateAll (const TRACKBAR_INFO *infoPtr)
378 {
379 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
380 }
381
382 static void
TRACKBAR_InvalidateThumb(const TRACKBAR_INFO * infoPtr,LONG thumbPos)383 TRACKBAR_InvalidateThumb (const TRACKBAR_INFO *infoPtr, LONG thumbPos)
384 {
385 RECT rcThumb;
386
387 TRACKBAR_CalcThumb(infoPtr, thumbPos, &rcThumb);
388 InflateRect(&rcThumb, 1, 1);
389 InvalidateRect(infoPtr->hwndSelf, &rcThumb, FALSE);
390 }
391
392 static inline void
TRACKBAR_InvalidateThumbMove(const TRACKBAR_INFO * infoPtr,LONG oldPos,LONG newPos)393 TRACKBAR_InvalidateThumbMove (const TRACKBAR_INFO *infoPtr, LONG oldPos, LONG newPos)
394 {
395 TRACKBAR_InvalidateThumb (infoPtr, oldPos);
396 if (newPos != oldPos)
397 TRACKBAR_InvalidateThumb (infoPtr, newPos);
398 }
399
400 static inline BOOL
TRACKBAR_HasSelection(const TRACKBAR_INFO * infoPtr)401 TRACKBAR_HasSelection (const TRACKBAR_INFO *infoPtr)
402 {
403 return infoPtr->lSelMin != infoPtr->lSelMax;
404 }
405
406 static void
TRACKBAR_CalcSelection(TRACKBAR_INFO * infoPtr)407 TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr)
408 {
409 RECT *selection = &infoPtr->rcSelection;
410 int range = infoPtr->lRangeMax - infoPtr->lRangeMin;
411 int offsetthumb, height, width;
412
413 if (range <= 0) {
414 SetRectEmpty (selection);
415 } else {
416 if (infoPtr->dwStyle & TBS_VERT) {
417 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
418 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - offsetthumb*2;
419 selection->top = infoPtr->rcChannel.top + offsetthumb +
420 (height*infoPtr->lSelMin)/range;
421 selection->bottom = infoPtr->rcChannel.top + offsetthumb +
422 (height*infoPtr->lSelMax)/range;
423 selection->left = infoPtr->rcChannel.left + 3;
424 selection->right = infoPtr->rcChannel.right - 3;
425 } else {
426 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
427 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2;
428 selection->left = infoPtr->rcChannel.left + offsetthumb +
429 (width*infoPtr->lSelMin)/range;
430 selection->right = infoPtr->rcChannel.left + offsetthumb +
431 (width*infoPtr->lSelMax)/range;
432 selection->top = infoPtr->rcChannel.top + 3;
433 selection->bottom = infoPtr->rcChannel.bottom - 3;
434 }
435 }
436
437 TRACE("selection[%s]\n", wine_dbgstr_rect(selection));
438 }
439
440 static BOOL
TRACKBAR_AutoPage(TRACKBAR_INFO * infoPtr,POINT clickPoint)441 TRACKBAR_AutoPage (TRACKBAR_INFO *infoPtr, POINT clickPoint)
442 {
443 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint);
444 LONG prevPos = infoPtr->lPos;
445
446 TRACE("clickPoint=%s, dir=%d\n", wine_dbgstr_point(&clickPoint), dir);
447
448 if (dir > 0 && (infoPtr->flags & TB_AUTO_PAGE_RIGHT))
449 TRACKBAR_PageDown(infoPtr);
450 else if (dir < 0 && (infoPtr->flags & TB_AUTO_PAGE_LEFT))
451 TRACKBAR_PageUp(infoPtr);
452 else return FALSE;
453
454 TRACKBAR_UpdateThumb (infoPtr);
455 TRACKBAR_InvalidateThumbMove (infoPtr, prevPos, infoPtr->lPos);
456
457 return TRUE;
458 }
459
460 /* Trackbar drawing code. I like my spaghetti done milanese. */
461
462 static void
TRACKBAR_DrawChannel(const TRACKBAR_INFO * infoPtr,HDC hdc)463 TRACKBAR_DrawChannel (const TRACKBAR_INFO *infoPtr, HDC hdc)
464 {
465 RECT rcChannel = infoPtr->rcChannel;
466 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
467
468 if (theme)
469 {
470 DrawThemeBackground (theme, hdc,
471 (infoPtr->dwStyle & TBS_VERT) ?
472 TKP_TRACKVERT : TKP_TRACK, TKS_NORMAL, &rcChannel, 0);
473 }
474 else
475 {
476 DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
477 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */
478 FillRect (hdc, &rcChannel, GetStockObject(WHITE_BRUSH));
479 if (TRACKBAR_HasSelection(infoPtr))
480 FillRect (hdc, &infoPtr->rcSelection, GetSysColorBrush(COLOR_HIGHLIGHT));
481 }
482 }
483 }
484
485 static void
TRACKBAR_DrawOneTic(const TRACKBAR_INFO * infoPtr,HDC hdc,LONG ticPos,int flags)486 TRACKBAR_DrawOneTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
487 {
488 int x, y, ox, oy, range, side, indent = 0, len = 3;
489 int offsetthumb;
490 RECT rcTics;
491
492 if (flags & TBS_VERT) {
493 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
494 SetRect(&rcTics, infoPtr->rcThumb.left - 2, infoPtr->rcChannel.top + offsetthumb,
495 infoPtr->rcThumb.right + 2, infoPtr->rcChannel.bottom - offsetthumb - 1);
496 } else {
497 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
498 SetRect(&rcTics, infoPtr->rcChannel.left + offsetthumb, infoPtr->rcThumb.top - 2,
499 infoPtr->rcChannel.right - offsetthumb - 1, infoPtr->rcThumb.bottom + 2);
500 }
501
502 if (flags & (TBS_TOP | TBS_LEFT)) {
503 x = rcTics.left;
504 y = rcTics.top;
505 side = -1;
506 } else {
507 x = rcTics.right;
508 y = rcTics.bottom;
509 side = 1;
510 }
511
512 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
513 if (range <= 0)
514 range = 1; /* to avoid division by zero */
515
516 if (flags & TIC_SELECTIONMARK) {
517 indent = (flags & TIC_SELECTIONMARKMIN) ? -1 : 1;
518 } else if (flags & TIC_EDGE) {
519 len++;
520 }
521
522 if (flags & TBS_VERT) {
523 int height = rcTics.bottom - rcTics.top;
524 y = rcTics.top + (height*(ticPos - infoPtr->lRangeMin))/range;
525 } else {
526 int width = rcTics.right - rcTics.left;
527 x = rcTics.left + (width*(ticPos - infoPtr->lRangeMin))/range;
528 }
529
530 ox = x;
531 oy = y;
532 MoveToEx(hdc, x, y, 0);
533 if (flags & TBS_VERT) x += len * side;
534 else y += len * side;
535 LineTo(hdc, x, y);
536
537 if (flags & TIC_SELECTIONMARK) {
538 if (flags & TBS_VERT) {
539 x -= side;
540 } else {
541 y -= side;
542 }
543 MoveToEx(hdc, x, y, 0);
544 if (flags & TBS_VERT) {
545 y += 2 * indent;
546 } else {
547 x += 2 * indent;
548 }
549
550 LineTo(hdc, x, y);
551 LineTo(hdc, ox, oy);
552 }
553 }
554
555
556 static inline void
TRACKBAR_DrawTic(const TRACKBAR_INFO * infoPtr,HDC hdc,LONG ticPos,int flags)557 TRACKBAR_DrawTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
558 {
559 if ((flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH))
560 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags | TBS_LEFT);
561
562 if (!(flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH))
563 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags & ~TBS_LEFT);
564 }
565
566 static void
TRACKBAR_DrawTics(const TRACKBAR_INFO * infoPtr,HDC hdc)567 TRACKBAR_DrawTics (const TRACKBAR_INFO *infoPtr, HDC hdc)
568 {
569 unsigned int i;
570 int ticFlags = infoPtr->dwStyle & 0x0f;
571 LOGPEN ticPen = { PS_SOLID, {1, 0}, GetSysColor (COLOR_3DDKSHADOW) };
572 HPEN hOldPen, hTicPen;
573 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
574
575 if (theme)
576 {
577 int part = (infoPtr->dwStyle & TBS_VERT) ? TKP_TICSVERT : TKP_TICS;
578 GetThemeColor (theme, part, TSS_NORMAL, TMT_COLOR, &ticPen.lopnColor);
579 }
580 /* create the pen to draw the tics with */
581 hTicPen = CreatePenIndirect(&ticPen);
582 hOldPen = hTicPen ? SelectObject(hdc, hTicPen) : 0;
583
584 /* actually draw the tics */
585 for (i=0; i<infoPtr->uNumTics; i++)
586 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->tics[i], ticFlags);
587
588 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMin, ticFlags | TIC_EDGE);
589 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMax, ticFlags | TIC_EDGE);
590
591 if ((infoPtr->dwStyle & TBS_ENABLESELRANGE) && TRACKBAR_HasSelection(infoPtr)) {
592 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMin,
593 ticFlags | TIC_SELECTIONMARKMIN);
594 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMax,
595 ticFlags | TIC_SELECTIONMARKMAX);
596 }
597
598 /* clean up the pen, if we created one */
599 if (hTicPen) {
600 SelectObject(hdc, hOldPen);
601 DeleteObject(hTicPen);
602 }
603 }
604
605 static int
TRACKBAR_FillThumb(const TRACKBAR_INFO * infoPtr,HDC hdc,HBRUSH hbrush)606 TRACKBAR_FillThumb (const TRACKBAR_INFO *infoPtr, HDC hdc, HBRUSH hbrush)
607 {
608 const RECT *thumb = &infoPtr->rcThumb;
609 POINT points[6];
610 int PointDepth;
611 HBRUSH oldbr;
612
613 if (infoPtr->dwStyle & TBS_BOTH)
614 {
615 FillRect(hdc, thumb, hbrush);
616 return 0;
617 }
618
619 if (infoPtr->dwStyle & TBS_VERT)
620 {
621 PointDepth = (thumb->bottom - thumb->top) / 2;
622 if (infoPtr->dwStyle & TBS_LEFT)
623 {
624 points[0].x = thumb->right-1;
625 points[0].y = thumb->top;
626 points[1].x = thumb->right-1;
627 points[1].y = thumb->bottom-1;
628 points[2].x = thumb->left + PointDepth;
629 points[2].y = thumb->bottom-1;
630 points[3].x = thumb->left;
631 points[3].y = thumb->top + PointDepth;
632 points[4].x = thumb->left + PointDepth;
633 points[4].y = thumb->top;
634 points[5].x = points[0].x;
635 points[5].y = points[0].y;
636 }
637 else
638 {
639 points[0].x = thumb->right;
640 points[0].y = thumb->top + PointDepth;
641 points[1].x = thumb->right - PointDepth;
642 points[1].y = thumb->bottom-1;
643 points[2].x = thumb->left;
644 points[2].y = thumb->bottom-1;
645 points[3].x = thumb->left;
646 points[3].y = thumb->top;
647 points[4].x = thumb->right - PointDepth;
648 points[4].y = thumb->top;
649 points[5].x = points[0].x;
650 points[5].y = points[0].y;
651 }
652 }
653 else
654 {
655 PointDepth = (thumb->right - thumb->left) / 2;
656 if (infoPtr->dwStyle & TBS_TOP)
657 {
658 points[0].x = thumb->left + PointDepth;
659 points[0].y = thumb->top+1;
660 points[1].x = thumb->right-1;
661 points[1].y = thumb->top + PointDepth + 1;
662 points[2].x = thumb->right-1;
663 points[2].y = thumb->bottom-1;
664 points[3].x = thumb->left;
665 points[3].y = thumb->bottom-1;
666 points[4].x = thumb->left;
667 points[4].y = thumb->top + PointDepth + 1;
668 points[5].x = points[0].x;
669 points[5].y = points[0].y;
670 }
671 else
672 {
673 points[0].x = thumb->right-1;
674 points[0].y = thumb->top;
675 points[1].x = thumb->right-1;
676 points[1].y = thumb->bottom - PointDepth - 1;
677 points[2].x = thumb->left + PointDepth;
678 points[2].y = thumb->bottom-1;
679 points[3].x = thumb->left;
680 points[3].y = thumb->bottom - PointDepth - 1;
681 points[4].x = thumb->left;
682 points[4].y = thumb->top;
683 points[5].x = points[0].x;
684 points[5].y = points[0].y;
685 }
686 }
687
688 oldbr = SelectObject(hdc, hbrush);
689 SetPolyFillMode(hdc, WINDING);
690 Polygon(hdc, points, ARRAY_SIZE(points));
691 SelectObject(hdc, oldbr);
692
693 return PointDepth;
694 }
695
696 static void
TRACKBAR_DrawThumb(TRACKBAR_INFO * infoPtr,HDC hdc)697 TRACKBAR_DrawThumb (TRACKBAR_INFO *infoPtr, HDC hdc)
698 {
699 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
700 int PointDepth;
701 HBRUSH brush;
702
703 if (theme)
704 {
705 int partId;
706 int stateId;
707 if (infoPtr->dwStyle & TBS_BOTH)
708 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBVERT : TKP_THUMB;
709 else if (infoPtr->dwStyle & TBS_LEFT)
710 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBLEFT : TKP_THUMBTOP;
711 else
712 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBRIGHT : TKP_THUMBBOTTOM;
713
714 if (infoPtr->dwStyle & WS_DISABLED)
715 stateId = TUS_DISABLED;
716 else if (infoPtr->flags & TB_DRAG_MODE)
717 stateId = TUS_PRESSED;
718 else if (infoPtr->flags & TB_THUMB_HOT)
719 stateId = TUS_HOT;
720 else
721 stateId = TUS_NORMAL;
722
723 DrawThemeBackground (theme, hdc, partId, stateId, &infoPtr->rcThumb, NULL);
724
725 return;
726 }
727
728 if (infoPtr->dwStyle & WS_DISABLED || infoPtr->flags & TB_DRAG_MODE)
729 {
730 if (comctl32_color.clr3dHilight == comctl32_color.clrWindow)
731 brush = COMCTL32_hPattern55AABrush;
732 else
733 brush = GetSysColorBrush(COLOR_SCROLLBAR);
734
735 SetTextColor(hdc, comctl32_color.clr3dFace);
736 SetBkColor(hdc, comctl32_color.clr3dHilight);
737 }
738 else
739 brush = GetSysColorBrush(COLOR_BTNFACE);
740
741 PointDepth = TRACKBAR_FillThumb(infoPtr, hdc, brush);
742
743 if (infoPtr->dwStyle & TBS_BOTH)
744 {
745 DrawEdge(hdc, &infoPtr->rcThumb, EDGE_RAISED, BF_RECT | BF_SOFT);
746 return;
747 }
748 else
749 {
750 RECT thumb = infoPtr->rcThumb;
751
752 if (infoPtr->dwStyle & TBS_VERT)
753 {
754 if (infoPtr->dwStyle & TBS_LEFT)
755 {
756 /* rectangular part */
757 thumb.left += PointDepth;
758 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_RIGHT | BF_BOTTOM | BF_SOFT);
759
760 /* light edge */
761 thumb.left -= PointDepth;
762 thumb.right = thumb.left + PointDepth;
763 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1;
764 thumb.top = infoPtr->rcThumb.top;
765 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT);
766
767 /* shadowed edge */
768 thumb.top += PointDepth;
769 thumb.bottom += PointDepth;
770 DrawEdge(hdc, &thumb, EDGE_SUNKEN, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT);
771 return;
772 }
773 else
774 {
775 /* rectangular part */
776 thumb.right -= PointDepth;
777 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_TOP | BF_LEFT | BF_BOTTOM | BF_SOFT);
778
779 /* light edge */
780 thumb.left = thumb.right;
781 thumb.right += PointDepth + 1;
782 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1;
783 thumb.top = infoPtr->rcThumb.top;
784 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT);
785
786 /* shadowed edge */
787 thumb.top += PointDepth;
788 thumb.bottom += PointDepth;
789 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT);
790 }
791 }
792 else
793 {
794 if (infoPtr->dwStyle & TBS_TOP)
795 {
796 /* rectangular part */
797 thumb.top += PointDepth;
798 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_BOTTOM | BF_RIGHT | BF_SOFT);
799
800 /* light edge */
801 thumb.left = infoPtr->rcThumb.left;
802 thumb.right = thumb.left + PointDepth;
803 thumb.bottom = infoPtr->rcThumb.top + PointDepth + 1;
804 thumb.top -= PointDepth;
805 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPRIGHT | BF_SOFT);
806
807 /* shadowed edge */
808 thumb.left += PointDepth;
809 thumb.right += PointDepth;
810 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMRIGHT | BF_SOFT);
811 }
812 else
813 {
814 /* rectangular part */
815 thumb.bottom -= PointDepth;
816 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT);
817
818 /* light edge */
819 thumb.left = infoPtr->rcThumb.left;
820 thumb.right = thumb.left + PointDepth;
821 thumb.top = infoPtr->rcThumb.bottom - PointDepth - 1;
822 thumb.bottom += PointDepth;
823 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDTOPLEFT | BF_SOFT);
824
825 /* shadowed edge */
826 thumb.left += PointDepth;
827 thumb.right += PointDepth;
828 DrawEdge(hdc, &thumb, EDGE_RAISED, BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT);
829 }
830 }
831 }
832 }
833
834
835 static inline void
TRACKBAR_ActivateToolTip(const TRACKBAR_INFO * infoPtr,BOOL fShow)836 TRACKBAR_ActivateToolTip (const TRACKBAR_INFO *infoPtr, BOOL fShow)
837 {
838 TTTOOLINFOW ti;
839
840 if (!infoPtr->hwndToolTip) return;
841
842 ZeroMemory(&ti, sizeof(ti));
843 ti.cbSize = sizeof(ti);
844 ti.hwnd = infoPtr->hwndSelf;
845
846 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKACTIVATE, fShow, (LPARAM)&ti);
847 }
848
849
850 static void
TRACKBAR_UpdateToolTip(const TRACKBAR_INFO * infoPtr)851 TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr)
852 {
853 WCHAR buf[80];
854 static const WCHAR fmt[] = { '%', 'l', 'd', 0 };
855 TTTOOLINFOW ti;
856 POINT pt;
857 RECT rcClient;
858 LRESULT size;
859
860 if (!infoPtr->hwndToolTip) return;
861
862 ZeroMemory(&ti, sizeof(ti));
863 ti.cbSize = sizeof(ti);
864 ti.hwnd = infoPtr->hwndSelf;
865 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE;
866
867 wsprintfW (buf, fmt, infoPtr->lPos);
868 ti.lpszText = buf;
869 SendMessageW (infoPtr->hwndToolTip, TTM_UPDATETIPTEXTW, 0, (LPARAM)&ti);
870
871 GetClientRect (infoPtr->hwndSelf, &rcClient);
872 size = SendMessageW (infoPtr->hwndToolTip, TTM_GETBUBBLESIZE, 0, (LPARAM)&ti);
873 if (infoPtr->dwStyle & TBS_VERT) {
874 if (infoPtr->fLocation == TBTS_LEFT)
875 pt.x = 0 - LOWORD(size) - TOOLTIP_OFFSET;
876 else
877 pt.x = rcClient.right + TOOLTIP_OFFSET;
878 pt.y = (infoPtr->rcThumb.top + infoPtr->rcThumb.bottom - HIWORD(size))/2;
879 } else {
880 if (infoPtr->fLocation == TBTS_TOP)
881 pt.y = 0 - HIWORD(size) - TOOLTIP_OFFSET;
882 else
883 pt.y = rcClient.bottom + TOOLTIP_OFFSET;
884 pt.x = (infoPtr->rcThumb.left + infoPtr->rcThumb.right - LOWORD(size))/2;
885 }
886 ClientToScreen(infoPtr->hwndSelf, &pt);
887
888 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKPOSITION,
889 0, MAKELPARAM(pt.x, pt.y));
890 }
891
892
893 static void
TRACKBAR_Refresh(TRACKBAR_INFO * infoPtr,HDC hdcDst)894 TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
895 {
896 RECT rcClient;
897 HDC hdc;
898 HBITMAP hOldBmp = 0, hOffScreenBmp = 0;
899 NMCUSTOMDRAW nmcd;
900 int gcdrf, icdrf;
901
902 if (infoPtr->flags & TB_THUMBCHANGED) {
903 TRACKBAR_UpdateThumb (infoPtr);
904 if (infoPtr->flags & TB_THUMBSIZECHANGED)
905 TRACKBAR_CalcChannel (infoPtr);
906 }
907 if (infoPtr->flags & TB_SELECTIONCHANGED)
908 TRACKBAR_CalcSelection (infoPtr);
909
910 if (infoPtr->flags & TB_DRAG_MODE)
911 TRACKBAR_UpdateToolTip (infoPtr);
912
913 infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED);
914
915 GetClientRect (infoPtr->hwndSelf, &rcClient);
916
917 /* try to render offscreen, if we fail, carrry onscreen */
918 hdc = CreateCompatibleDC(hdcDst);
919 if (hdc) {
920 hOffScreenBmp = CreateCompatibleBitmap(hdcDst, rcClient.right, rcClient.bottom);
921 if (hOffScreenBmp) {
922 hOldBmp = SelectObject(hdc, hOffScreenBmp);
923 } else {
924 DeleteObject(hdc);
925 hdc = hdcDst;
926 }
927 } else {
928 hdc = hdcDst;
929 }
930
931 ZeroMemory(&nmcd, sizeof(nmcd));
932 nmcd.hdr.hwndFrom = infoPtr->hwndSelf;
933 nmcd.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
934 nmcd.hdr.code = NM_CUSTOMDRAW;
935 nmcd.hdc = hdc;
936
937 /* start the paint cycle */
938 nmcd.rc = rcClient;
939 gcdrf = notify_customdraw(infoPtr, &nmcd, CDDS_PREPAINT);
940 if (gcdrf & CDRF_SKIPDEFAULT) goto cleanup;
941
942 /* Erase background */
943 if (gcdrf == CDRF_DODEFAULT ||
944 notify_customdraw(infoPtr, &nmcd, CDDS_PREERASE) != CDRF_SKIPDEFAULT) {
945 if (GetWindowTheme (infoPtr->hwndSelf)) {
946 DrawThemeParentBackground (infoPtr->hwndSelf, hdc, 0);
947 }
948 #ifndef __REACTOS__
949 else {
950 #else
951 {
952 #endif
953 HBRUSH brush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
954 (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
955 FillRect (hdc, &rcClient, brush ? brush : GetSysColorBrush(COLOR_BTNFACE));
956 }
957 if (gcdrf != CDRF_DODEFAULT)
958 notify_customdraw(infoPtr, &nmcd, CDDS_POSTERASE);
959 }
960
961 /* draw channel */
962 if (gcdrf & CDRF_NOTIFYITEMDRAW) {
963 nmcd.dwItemSpec = TBCD_CHANNEL;
964 nmcd.uItemState = CDIS_DEFAULT;
965 nmcd.rc = infoPtr->rcChannel;
966 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
967 } else icdrf = CDRF_DODEFAULT;
968 if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
969 TRACKBAR_DrawChannel (infoPtr, hdc);
970 if (icdrf & CDRF_NOTIFYPOSTPAINT)
971 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
972 }
973
974
975 /* draw tics */
976 if (!(infoPtr->dwStyle & TBS_NOTICKS)) {
977 if (gcdrf & CDRF_NOTIFYITEMDRAW) {
978 nmcd.dwItemSpec = TBCD_TICS;
979 nmcd.uItemState = CDIS_DEFAULT;
980 nmcd.rc = rcClient;
981 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
982 } else icdrf = CDRF_DODEFAULT;
983 if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
984 TRACKBAR_DrawTics (infoPtr, hdc);
985 if (icdrf & CDRF_NOTIFYPOSTPAINT)
986 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
987 }
988 }
989
990 /* draw thumb */
991 if (!(infoPtr->dwStyle & TBS_NOTHUMB)) {
992 if (gcdrf & CDRF_NOTIFYITEMDRAW) {
993 nmcd.dwItemSpec = TBCD_THUMB;
994 nmcd.uItemState = infoPtr->flags & TB_DRAG_MODE ? CDIS_HOT : CDIS_DEFAULT;
995 nmcd.rc = infoPtr->rcThumb;
996 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
997 } else icdrf = CDRF_DODEFAULT;
998 if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
999 TRACKBAR_DrawThumb(infoPtr, hdc);
1000 if (icdrf & CDRF_NOTIFYPOSTPAINT)
1001 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
1002 }
1003 }
1004
1005 /* draw focus rectangle */
1006 if (infoPtr->flags & TB_IS_FOCUSED) {
1007 DrawFocusRect(hdc, &rcClient);
1008 }
1009
1010 /* finish up the painting */
1011 if (gcdrf & CDRF_NOTIFYPOSTPAINT)
1012 notify_customdraw(infoPtr, &nmcd, CDDS_POSTPAINT);
1013
1014 cleanup:
1015 /* cleanup, if we rendered offscreen */
1016 if (hdc != hdcDst) {
1017 BitBlt(hdcDst, 0, 0, rcClient.right, rcClient.bottom, hdc, 0, 0, SRCCOPY);
1018 SelectObject(hdc, hOldBmp);
1019 DeleteObject(hOffScreenBmp);
1020 DeleteObject(hdc);
1021 }
1022 }
1023
1024
1025 static void
1026 TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr)
1027 {
1028 HWND hwndParent = GetParent (infoPtr->hwndSelf);
1029 RECT rcSelf, rcBuddy;
1030 INT x, y;
1031
1032 GetWindowRect (infoPtr->hwndSelf, &rcSelf);
1033 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcSelf, 2);
1034
1035 /* align buddy left or above */
1036 if (infoPtr->hwndBuddyLA) {
1037 GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy);
1038 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
1039
1040 if (infoPtr->dwStyle & TBS_VERT) {
1041 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
1042 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
1043 y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top);
1044 }
1045 else {
1046 x = rcSelf.left - (rcBuddy.right - rcBuddy.left);
1047 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
1048 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
1049 }
1050
1051 SetWindowPos (infoPtr->hwndBuddyLA, 0, x, y, 0, 0,
1052 SWP_NOZORDER | SWP_NOSIZE);
1053 }
1054
1055
1056 /* align buddy right or below */
1057 if (infoPtr->hwndBuddyRB) {
1058 GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy);
1059 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
1060
1061 if (infoPtr->dwStyle & TBS_VERT) {
1062 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
1063 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
1064 y = rcSelf.bottom;
1065 }
1066 else {
1067 x = rcSelf.right;
1068 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
1069 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
1070 }
1071 SetWindowPos (infoPtr->hwndBuddyRB, 0, x, y, 0, 0,
1072 SWP_NOZORDER | SWP_NOSIZE);
1073 }
1074 }
1075
1076
1077 static LRESULT
1078 TRACKBAR_ClearSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw)
1079 {
1080 infoPtr->lSelMin = 0;
1081 infoPtr->lSelMax = 0;
1082 infoPtr->flags |= TB_SELECTIONCHANGED;
1083
1084 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1085
1086 return 0;
1087 }
1088
1089
1090 static LRESULT
1091 TRACKBAR_ClearTics (TRACKBAR_INFO *infoPtr, BOOL fRedraw)
1092 {
1093 if (infoPtr->tics) {
1094 Free (infoPtr->tics);
1095 infoPtr->tics = NULL;
1096 infoPtr->uNumTics = 0;
1097 }
1098
1099 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1100
1101 return 0;
1102 }
1103
1104
1105 static inline LRESULT
1106 TRACKBAR_GetChannelRect (const TRACKBAR_INFO *infoPtr, LPRECT lprc)
1107 {
1108 if (lprc == NULL) return 0;
1109
1110 lprc->left = infoPtr->rcChannel.left;
1111 lprc->right = infoPtr->rcChannel.right;
1112 lprc->bottom = infoPtr->rcChannel.bottom;
1113 lprc->top = infoPtr->rcChannel.top;
1114
1115 return 0;
1116 }
1117
1118
1119 static inline LONG
1120 TRACKBAR_GetNumTics (const TRACKBAR_INFO *infoPtr)
1121 {
1122 if (infoPtr->dwStyle & TBS_NOTICKS) return 0;
1123
1124 return infoPtr->uNumTics + 2;
1125 }
1126
1127
1128 static int __cdecl comp_tics (const void *ap, const void *bp)
1129 {
1130 const DWORD a = *(const DWORD *)ap;
1131 const DWORD b = *(const DWORD *)bp;
1132
1133 TRACE("(a=%d, b=%d)\n", a, b);
1134 if (a < b) return -1;
1135 if (a > b) return 1;
1136 return 0;
1137 }
1138
1139
1140 static inline LONG
1141 TRACKBAR_GetTic (const TRACKBAR_INFO *infoPtr, INT iTic)
1142 {
1143 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics)
1144 return -1;
1145
1146 qsort(infoPtr->tics, infoPtr->uNumTics, sizeof(DWORD), comp_tics);
1147 return infoPtr->tics[iTic];
1148 }
1149
1150
1151 static inline LONG
1152 TRACKBAR_GetTicPos (const TRACKBAR_INFO *infoPtr, INT iTic)
1153 {
1154 LONG range, width, pos, tic;
1155 int offsetthumb;
1156
1157 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics)
1158 return -1;
1159
1160 tic = TRACKBAR_GetTic (infoPtr, iTic);
1161 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
1162 if (range <= 0) range = 1;
1163 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
1164 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2;
1165 pos = infoPtr->rcChannel.left + offsetthumb + (width * tic) / range;
1166
1167 return pos;
1168 }
1169
1170
1171 static HWND
1172 TRACKBAR_SetBuddy (TRACKBAR_INFO *infoPtr, BOOL fLocation, HWND hwndBuddy)
1173 {
1174 HWND hwndTemp;
1175
1176 if (fLocation) {
1177 /* buddy is left or above */
1178 hwndTemp = infoPtr->hwndBuddyLA;
1179 infoPtr->hwndBuddyLA = hwndBuddy;
1180 }
1181 else {
1182 /* buddy is right or below */
1183 hwndTemp = infoPtr->hwndBuddyRB;
1184 infoPtr->hwndBuddyRB = hwndBuddy;
1185 }
1186
1187 TRACKBAR_AlignBuddies (infoPtr);
1188
1189 return hwndTemp;
1190 }
1191
1192
1193 static inline LONG
1194 TRACKBAR_SetLineSize (TRACKBAR_INFO *infoPtr, LONG lLineSize)
1195 {
1196 LONG lTemp = infoPtr->lLineSize;
1197
1198 infoPtr->lLineSize = lLineSize;
1199
1200 return lTemp;
1201 }
1202
1203 static void TRACKBAR_UpdatePageSize(TRACKBAR_INFO *infoPtr)
1204 {
1205 if (infoPtr->flags & TB_USER_PAGE)
1206 return;
1207
1208 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5;
1209 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1;
1210 }
1211
1212 static inline LONG
1213 TRACKBAR_SetPageSize (TRACKBAR_INFO *infoPtr, LONG lPageSize)
1214 {
1215 LONG lTemp = infoPtr->lPageSize;
1216
1217 if (lPageSize == -1)
1218 {
1219 infoPtr->flags &= ~TB_USER_PAGE;
1220 TRACKBAR_UpdatePageSize(infoPtr);
1221 }
1222 else
1223 {
1224 infoPtr->flags |= TB_USER_PAGE;
1225 infoPtr->lPageSize = lPageSize;
1226 }
1227
1228 return lTemp;
1229 }
1230
1231
1232 static inline LRESULT
1233 TRACKBAR_SetPos (TRACKBAR_INFO *infoPtr, BOOL fPosition, LONG lPosition)
1234 {
1235 LONG oldPos = infoPtr->lPos;
1236 infoPtr->lPos = lPosition;
1237
1238 if (infoPtr->lPos < infoPtr->lRangeMin)
1239 infoPtr->lPos = infoPtr->lRangeMin;
1240
1241 if (infoPtr->lPos > infoPtr->lRangeMax)
1242 infoPtr->lPos = infoPtr->lRangeMax;
1243
1244 if (fPosition && oldPos != lPosition)
1245 {
1246 TRACKBAR_UpdateThumb(infoPtr);
1247 TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, lPosition);
1248 }
1249
1250 return 0;
1251 }
1252
1253 static inline LRESULT
1254 TRACKBAR_SetRange (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG range)
1255 {
1256 BOOL changed = infoPtr->lRangeMin != (SHORT)LOWORD(range) ||
1257 infoPtr->lRangeMax != (SHORT)HIWORD(range);
1258
1259 infoPtr->lRangeMin = (SHORT)LOWORD(range);
1260 infoPtr->lRangeMax = (SHORT)HIWORD(range);
1261
1262 /* clip position to new min/max limit */
1263 if (infoPtr->lPos < infoPtr->lRangeMin)
1264 infoPtr->lPos = infoPtr->lRangeMin;
1265
1266 if (infoPtr->lPos > infoPtr->lRangeMax)
1267 infoPtr->lPos = infoPtr->lRangeMax;
1268
1269 TRACKBAR_UpdatePageSize(infoPtr);
1270
1271 if (changed) {
1272 if (infoPtr->dwStyle & TBS_AUTOTICKS)
1273 TRACKBAR_RecalculateTics (infoPtr);
1274 infoPtr->flags |= TB_THUMBPOSCHANGED;
1275 }
1276
1277 if (redraw) TRACKBAR_InvalidateAll(infoPtr);
1278
1279 return 0;
1280 }
1281
1282
1283 static inline LRESULT
1284 TRACKBAR_SetRangeMax (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMax)
1285 {
1286 BOOL changed = infoPtr->lRangeMax != lMax;
1287 LONG rightmost = max(lMax, infoPtr->lRangeMin);
1288
1289 infoPtr->lRangeMax = lMax;
1290 if (infoPtr->lPos > rightmost) {
1291 infoPtr->lPos = rightmost;
1292 infoPtr->flags |= TB_THUMBPOSCHANGED;
1293 }
1294
1295 TRACKBAR_UpdatePageSize(infoPtr);
1296
1297 if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS))
1298 TRACKBAR_RecalculateTics (infoPtr);
1299
1300 if (redraw) TRACKBAR_InvalidateAll(infoPtr);
1301
1302 return 0;
1303 }
1304
1305
1306 static inline LRESULT
1307 TRACKBAR_SetRangeMin (TRACKBAR_INFO *infoPtr, BOOL redraw, LONG lMin)
1308 {
1309 BOOL changed = infoPtr->lRangeMin != lMin;
1310
1311 infoPtr->lRangeMin = lMin;
1312 if (infoPtr->lPos < infoPtr->lRangeMin) {
1313 infoPtr->lPos = infoPtr->lRangeMin;
1314 infoPtr->flags |= TB_THUMBPOSCHANGED;
1315 }
1316
1317 TRACKBAR_UpdatePageSize(infoPtr);
1318
1319 if (changed && (infoPtr->dwStyle & TBS_AUTOTICKS))
1320 TRACKBAR_RecalculateTics (infoPtr);
1321
1322 if (redraw) TRACKBAR_InvalidateAll(infoPtr);
1323
1324 return 0;
1325 }
1326
1327
1328 static inline LRESULT
1329 TRACKBAR_SetSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lSel)
1330 {
1331 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
1332 infoPtr->lSelMin = 0;
1333 infoPtr->lSelMax = 0;
1334 return 0;
1335 }
1336
1337 infoPtr->lSelMin = (SHORT)LOWORD(lSel);
1338 infoPtr->lSelMax = (SHORT)HIWORD(lSel);
1339 infoPtr->flags |= TB_SELECTIONCHANGED;
1340
1341 if (infoPtr->lSelMin < infoPtr->lRangeMin)
1342 infoPtr->lSelMin = infoPtr->lRangeMin;
1343 if (infoPtr->lSelMax > infoPtr->lRangeMax)
1344 infoPtr->lSelMax = infoPtr->lRangeMax;
1345
1346 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1347
1348 return 0;
1349 }
1350
1351
1352 static inline LRESULT
1353 TRACKBAR_SetSelEnd (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lEnd)
1354 {
1355 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
1356 infoPtr->lSelMax = 0;
1357 return 0;
1358 }
1359
1360 infoPtr->lSelMax = lEnd;
1361 infoPtr->flags |= TB_SELECTIONCHANGED;
1362
1363 if (infoPtr->lSelMax > infoPtr->lRangeMax)
1364 infoPtr->lSelMax = infoPtr->lRangeMax;
1365
1366 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1367
1368 return 0;
1369 }
1370
1371
1372 static inline LRESULT
1373 TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart)
1374 {
1375 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
1376 infoPtr->lSelMin = 0;
1377 return 0;
1378 }
1379
1380 infoPtr->lSelMin = lStart;
1381 infoPtr->flags |=TB_SELECTIONCHANGED;
1382
1383 if (infoPtr->lSelMin < infoPtr->lRangeMin)
1384 infoPtr->lSelMin = infoPtr->lRangeMin;
1385
1386 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1387
1388 return 0;
1389 }
1390
1391
1392 static inline LRESULT
1393 TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength)
1394 {
1395 if (infoPtr->dwStyle & TBS_FIXEDLENGTH) {
1396 /* We're not supposed to check if it's really changed or not,
1397 just repaint in any case. */
1398 infoPtr->uThumbLen = iLength;
1399 infoPtr->flags |= TB_THUMBSIZECHANGED;
1400 TRACKBAR_InvalidateAll(infoPtr);
1401 }
1402
1403 return 0;
1404 }
1405
1406
1407 static inline LRESULT
1408 TRACKBAR_SetTic (TRACKBAR_INFO *infoPtr, LONG lPos)
1409 {
1410 if ((lPos < infoPtr->lRangeMin) || (lPos> infoPtr->lRangeMax))
1411 return FALSE;
1412
1413 TRACE("lPos=%d\n", lPos);
1414
1415 infoPtr->uNumTics++;
1416 infoPtr->tics=ReAlloc( infoPtr->tics,
1417 (infoPtr->uNumTics)*sizeof (DWORD));
1418 if (!infoPtr->tics) {
1419 infoPtr->uNumTics = 0;
1420 notify(infoPtr, NM_OUTOFMEMORY);
1421 return FALSE;
1422 }
1423 infoPtr->tics[infoPtr->uNumTics-1] = lPos;
1424
1425 TRACKBAR_InvalidateAll(infoPtr);
1426
1427 return TRUE;
1428 }
1429
1430
1431 static inline LRESULT
1432 TRACKBAR_SetTicFreq (TRACKBAR_INFO *infoPtr, WORD wFreq)
1433 {
1434 if (infoPtr->dwStyle & TBS_AUTOTICKS) {
1435 infoPtr->uTicFreq = wFreq;
1436 TRACKBAR_RecalculateTics (infoPtr);
1437 TRACKBAR_InvalidateAll(infoPtr);
1438 }
1439
1440 TRACKBAR_UpdateThumb (infoPtr);
1441 return 0;
1442 }
1443
1444
1445 static inline INT
1446 TRACKBAR_SetTipSide (TRACKBAR_INFO *infoPtr, INT fLocation)
1447 {
1448 INT fTemp = infoPtr->fLocation;
1449
1450 infoPtr->fLocation = fLocation;
1451
1452 return fTemp;
1453 }
1454
1455
1456 static inline LRESULT
1457 TRACKBAR_SetToolTips (TRACKBAR_INFO *infoPtr, HWND hwndTT)
1458 {
1459 infoPtr->hwndToolTip = hwndTT;
1460
1461 return 0;
1462 }
1463
1464
1465 static inline BOOL
1466 TRACKBAR_SetUnicodeFormat (TRACKBAR_INFO *infoPtr, BOOL fUnicode)
1467 {
1468 BOOL bTemp = infoPtr->bUnicode;
1469
1470 infoPtr->bUnicode = fUnicode;
1471
1472 return bTemp;
1473 }
1474
1475 static int get_scaled_metric(const TRACKBAR_INFO *infoPtr, int value)
1476 {
1477 return MulDiv(value, GetDpiForWindow(infoPtr->hwndSelf), 96);
1478 }
1479
1480 static LRESULT
1481 TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr)
1482 {
1483 int client_size;
1484 RECT rect;
1485
1486 infoPtr->uThumbLen = get_scaled_metric(infoPtr, infoPtr->dwStyle & TBS_ENABLESELRANGE ? 23 : 21);
1487
1488 if (!(infoPtr->dwStyle & TBS_FIXEDLENGTH))
1489 {
1490 GetClientRect(infoPtr->hwndSelf, &rect);
1491 if (infoPtr->dwStyle & TBS_VERT)
1492 client_size = rect.right - rect.left;
1493 else
1494 client_size = rect.bottom - rect.top;
1495
1496 if (client_size < infoPtr->uThumbLen)
1497 infoPtr->uThumbLen = client_size > get_scaled_metric(infoPtr, 9) ?
1498 client_size - get_scaled_metric(infoPtr, 5) : get_scaled_metric(infoPtr, 4);
1499 }
1500
1501 TRACKBAR_CalcChannel (infoPtr);
1502 TRACKBAR_UpdateThumb (infoPtr);
1503 infoPtr->flags &= ~TB_SELECTIONCHANGED;
1504
1505 return 0;
1506 }
1507
1508
1509 static LRESULT
1510 TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1511 {
1512 TRACKBAR_INFO *infoPtr;
1513
1514 infoPtr = Alloc (sizeof(TRACKBAR_INFO));
1515 if (!infoPtr) return -1;
1516 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1517
1518 /* set default values */
1519 infoPtr->hwndSelf = hwnd;
1520 infoPtr->dwStyle = lpcs->style;
1521 infoPtr->lRangeMin = 0;
1522 infoPtr->lRangeMax = 100;
1523 infoPtr->lLineSize = 1;
1524 infoPtr->lPageSize = TB_DEFAULTPAGESIZE;
1525 infoPtr->lSelMin = 0;
1526 infoPtr->lSelMax = 0;
1527 infoPtr->lPos = 0;
1528 infoPtr->fLocation = TBTS_TOP;
1529 infoPtr->uNumTics = 0; /* start and end tic are not included in count*/
1530 infoPtr->uTicFreq = 1;
1531 infoPtr->tics = NULL;
1532 infoPtr->hwndNotify= lpcs->hwndParent;
1533
1534 TRACKBAR_InitializeThumb (infoPtr);
1535
1536 /* Create tooltip control */
1537 if (infoPtr->dwStyle & TBS_TOOLTIPS) {
1538
1539 infoPtr->hwndToolTip =
1540 CreateWindowExW (0, TOOLTIPS_CLASSW, NULL, WS_POPUP,
1541 CW_USEDEFAULT, CW_USEDEFAULT,
1542 CW_USEDEFAULT, CW_USEDEFAULT,
1543 hwnd, 0, 0, 0);
1544
1545 if (infoPtr->hwndToolTip) {
1546 TTTOOLINFOW ti;
1547 WCHAR wEmpty = 0;
1548 ZeroMemory (&ti, sizeof(ti));
1549 ti.cbSize = sizeof(ti);
1550 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE;
1551 ti.hwnd = hwnd;
1552 ti.lpszText = &wEmpty;
1553
1554 SendMessageW (infoPtr->hwndToolTip, TTM_ADDTOOLW, 0, (LPARAM)&ti);
1555 }
1556 }
1557
1558 OpenThemeData (hwnd, themeClass);
1559
1560 return 0;
1561 }
1562
1563
1564 static LRESULT
1565 TRACKBAR_Destroy (TRACKBAR_INFO *infoPtr)
1566 {
1567 /* delete tooltip control */
1568 if (infoPtr->hwndToolTip)
1569 DestroyWindow (infoPtr->hwndToolTip);
1570
1571 Free (infoPtr->tics);
1572 infoPtr->tics = NULL;
1573
1574 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1575 CloseThemeData (GetWindowTheme (infoPtr->hwndSelf));
1576 Free (infoPtr);
1577
1578 return 0;
1579 }
1580
1581
1582 static LRESULT
1583 TRACKBAR_KillFocus (TRACKBAR_INFO *infoPtr)
1584 {
1585 TRACE("\n");
1586 infoPtr->flags &= ~TB_IS_FOCUSED;
1587 TRACKBAR_InvalidateAll(infoPtr);
1588
1589 return 0;
1590 }
1591
1592 static LRESULT
1593 TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, INT x, INT y)
1594 {
1595 POINT clickPoint;
1596
1597 clickPoint.x = x;
1598 clickPoint.y = y;
1599
1600 SetFocus(infoPtr->hwndSelf);
1601
1602 if (PtInRect(&infoPtr->rcThumb, clickPoint)) {
1603 infoPtr->flags |= TB_DRAG_MODE;
1604 SetCapture (infoPtr->hwndSelf);
1605 TRACKBAR_UpdateToolTip (infoPtr);
1606 TRACKBAR_ActivateToolTip (infoPtr, TRUE);
1607 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos);
1608 } else {
1609 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint);
1610 if (dir == 0) return 0;
1611 infoPtr->flags |= (dir < 0) ? TB_AUTO_PAGE_LEFT : TB_AUTO_PAGE_RIGHT;
1612 TRACKBAR_AutoPage (infoPtr, clickPoint);
1613 SetCapture (infoPtr->hwndSelf);
1614 SetTimer(infoPtr->hwndSelf, TB_REFRESH_TIMER, TB_REFRESH_DELAY, 0);
1615 }
1616
1617 return 0;
1618 }
1619
1620
1621 static LRESULT
1622 TRACKBAR_LButtonUp (TRACKBAR_INFO *infoPtr)
1623 {
1624 if (infoPtr->flags & TB_DRAG_MODE) {
1625 notify_with_scroll (infoPtr, TB_THUMBPOSITION | (infoPtr->lPos<<16));
1626 notify_with_scroll (infoPtr, TB_ENDTRACK);
1627 infoPtr->flags &= ~TB_DRAG_MODE;
1628 ReleaseCapture ();
1629 notify(infoPtr, NM_RELEASEDCAPTURE);
1630 TRACKBAR_ActivateToolTip(infoPtr, FALSE);
1631 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos);
1632 }
1633 if (infoPtr->flags & TB_AUTO_PAGE) {
1634 KillTimer (infoPtr->hwndSelf, TB_REFRESH_TIMER);
1635 infoPtr->flags &= ~TB_AUTO_PAGE;
1636 notify_with_scroll (infoPtr, TB_ENDTRACK);
1637 ReleaseCapture ();
1638 notify(infoPtr, NM_RELEASEDCAPTURE);
1639 }
1640
1641 return 0;
1642 }
1643
1644
1645 static LRESULT
1646 TRACKBAR_CaptureChanged (const TRACKBAR_INFO *infoPtr)
1647 {
1648 notify_with_scroll (infoPtr, TB_ENDTRACK);
1649 return 0;
1650 }
1651
1652
1653 static LRESULT
1654 TRACKBAR_Paint (TRACKBAR_INFO *infoPtr, HDC hdc)
1655 {
1656 if (hdc) {
1657 TRACKBAR_Refresh(infoPtr, hdc);
1658 } else {
1659 PAINTSTRUCT ps;
1660 hdc = BeginPaint (infoPtr->hwndSelf, &ps);
1661 TRACKBAR_Refresh (infoPtr, hdc);
1662 EndPaint (infoPtr->hwndSelf, &ps);
1663 }
1664
1665 return 0;
1666 }
1667
1668
1669 static LRESULT
1670 TRACKBAR_SetFocus (TRACKBAR_INFO *infoPtr)
1671 {
1672 TRACE("\n");
1673 infoPtr->flags |= TB_IS_FOCUSED;
1674 TRACKBAR_InvalidateAll(infoPtr);
1675
1676 return 0;
1677 }
1678
1679
1680 static LRESULT
1681 TRACKBAR_Size (TRACKBAR_INFO *infoPtr)
1682 {
1683 if (infoPtr->dwStyle & TBS_FIXEDLENGTH)
1684 {
1685 TRACKBAR_CalcChannel(infoPtr);
1686 TRACKBAR_UpdateThumb(infoPtr);
1687 }
1688 else
1689 TRACKBAR_InitializeThumb(infoPtr);
1690 TRACKBAR_AlignBuddies (infoPtr);
1691 TRACKBAR_InvalidateAll(infoPtr);
1692
1693 return 0;
1694 }
1695
1696 static LRESULT
1697 TRACKBAR_StyleChanged (TRACKBAR_INFO *infoPtr, WPARAM wStyleType,
1698 const STYLESTRUCT *lpss)
1699 {
1700 if (wStyleType != GWL_STYLE) return 0;
1701
1702 infoPtr->dwStyle = lpss->styleNew;
1703
1704 return 0;
1705 }
1706
1707 static LRESULT
1708 TRACKBAR_Timer (TRACKBAR_INFO *infoPtr)
1709 {
1710 if (infoPtr->flags & TB_AUTO_PAGE) {
1711 POINT pt;
1712 if (GetCursorPos(&pt))
1713 if (ScreenToClient(infoPtr->hwndSelf, &pt))
1714 TRACKBAR_AutoPage(infoPtr, pt);
1715 }
1716 return 0;
1717 }
1718
1719
1720 /* update theme after a WM_THEMECHANGED message */
1721 static LRESULT theme_changed (const TRACKBAR_INFO* infoPtr)
1722 {
1723 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
1724 CloseThemeData (theme);
1725 OpenThemeData (infoPtr->hwndSelf, themeClass);
1726 return 0;
1727 }
1728
1729
1730 static LRESULT
1731 TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y)
1732 {
1733 INT clickPlace = (infoPtr->dwStyle & TBS_VERT) ? y : x;
1734 LONG dragPos, oldPos = infoPtr->lPos;
1735
1736 TRACE("(x=%d. y=%d)\n", x, y);
1737
1738 if (infoPtr->flags & TB_AUTO_PAGE) {
1739 POINT pt;
1740 pt.x = x;
1741 pt.y = y;
1742 TRACKBAR_AutoPage (infoPtr, pt);
1743 return TRUE;
1744 }
1745
1746 if (!(infoPtr->flags & TB_DRAG_MODE))
1747 {
1748 if (GetWindowTheme (infoPtr->hwndSelf))
1749 {
1750 DWORD oldFlags = infoPtr->flags;
1751 POINT pt;
1752 pt.x = x;
1753 pt.y = y;
1754 if (PtInRect (&infoPtr->rcThumb, pt))
1755 {
1756 TRACKMOUSEEVENT tme;
1757 tme.cbSize = sizeof( tme );
1758 tme.dwFlags = TME_LEAVE;
1759 tme.hwndTrack = infoPtr->hwndSelf;
1760 TrackMouseEvent( &tme );
1761 infoPtr->flags |= TB_THUMB_HOT;
1762 }
1763 else
1764 {
1765 TRACKMOUSEEVENT tme;
1766 tme.cbSize = sizeof( tme );
1767 tme.dwFlags = TME_CANCEL;
1768 tme.hwndTrack = infoPtr->hwndSelf;
1769 TrackMouseEvent( &tme );
1770 infoPtr->flags &= ~TB_THUMB_HOT;
1771 }
1772 if (oldFlags != infoPtr->flags) InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
1773 }
1774 return TRUE;
1775 }
1776
1777 dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace);
1778
1779 if (dragPos == oldPos) return TRUE;
1780
1781 infoPtr->lPos = dragPos;
1782 TRACKBAR_UpdateThumb (infoPtr);
1783
1784 notify_with_scroll (infoPtr, TB_THUMBTRACK | (infoPtr->lPos<<16));
1785
1786 TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, dragPos);
1787 UpdateWindow (infoPtr->hwndSelf);
1788
1789 return TRUE;
1790 }
1791
1792 static BOOL
1793 TRACKBAR_KeyDown (TRACKBAR_INFO *infoPtr, INT nVirtKey)
1794 {
1795 BOOL downIsLeft = infoPtr->dwStyle & TBS_DOWNISLEFT;
1796 BOOL vert = infoPtr->dwStyle & TBS_VERT;
1797 LONG pos = infoPtr->lPos;
1798
1799 TRACE("%x\n", nVirtKey);
1800
1801 switch (nVirtKey) {
1802 case VK_UP:
1803 if (!vert && downIsLeft) TRACKBAR_LineDown(infoPtr);
1804 else TRACKBAR_LineUp(infoPtr);
1805 break;
1806 case VK_LEFT:
1807 if (vert && downIsLeft) TRACKBAR_LineDown(infoPtr);
1808 else TRACKBAR_LineUp(infoPtr);
1809 break;
1810 case VK_DOWN:
1811 if (!vert && downIsLeft) TRACKBAR_LineUp(infoPtr);
1812 else TRACKBAR_LineDown(infoPtr);
1813 break;
1814 case VK_RIGHT:
1815 if (vert && downIsLeft) TRACKBAR_LineUp(infoPtr);
1816 else TRACKBAR_LineDown(infoPtr);
1817 break;
1818 case VK_NEXT:
1819 if (!vert && downIsLeft) TRACKBAR_PageUp(infoPtr);
1820 else TRACKBAR_PageDown(infoPtr);
1821 break;
1822 case VK_PRIOR:
1823 if (!vert && downIsLeft) TRACKBAR_PageDown(infoPtr);
1824 else TRACKBAR_PageUp(infoPtr);
1825 break;
1826 case VK_HOME:
1827 if (infoPtr->lPos == infoPtr->lRangeMin) return FALSE;
1828 infoPtr->lPos = infoPtr->lRangeMin;
1829 notify_with_scroll (infoPtr, TB_TOP);
1830 break;
1831 case VK_END:
1832 if (infoPtr->lPos == infoPtr->lRangeMax) return FALSE;
1833 infoPtr->lPos = infoPtr->lRangeMax;
1834 notify_with_scroll (infoPtr, TB_BOTTOM);
1835 break;
1836 }
1837
1838 if (pos != infoPtr->lPos) {
1839 TRACKBAR_UpdateThumb (infoPtr);
1840 TRACKBAR_InvalidateThumbMove (infoPtr, pos, infoPtr->lPos);
1841 }
1842
1843 return TRUE;
1844 }
1845
1846
1847 static inline BOOL
1848 TRACKBAR_KeyUp (const TRACKBAR_INFO *infoPtr, INT nVirtKey)
1849 {
1850 switch (nVirtKey) {
1851 case VK_LEFT:
1852 case VK_UP:
1853 case VK_RIGHT:
1854 case VK_DOWN:
1855 case VK_NEXT:
1856 case VK_PRIOR:
1857 case VK_HOME:
1858 case VK_END:
1859 notify_with_scroll (infoPtr, TB_ENDTRACK);
1860 }
1861 return TRUE;
1862 }
1863
1864
1865 static LRESULT
1866 TRACKBAR_Enable (TRACKBAR_INFO *infoPtr, BOOL enable)
1867 {
1868 if (enable)
1869 infoPtr->dwStyle &= ~WS_DISABLED;
1870 else
1871 infoPtr->dwStyle |= WS_DISABLED;
1872
1873 InvalidateRect(infoPtr->hwndSelf, &infoPtr->rcThumb, TRUE);
1874
1875 return 1;
1876 }
1877
1878 static LRESULT WINAPI
1879 TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1880 {
1881 TRACKBAR_INFO *infoPtr = (TRACKBAR_INFO *)GetWindowLongPtrW (hwnd, 0);
1882
1883 TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hwnd, uMsg, wParam, lParam);
1884
1885 if (!infoPtr && (uMsg != WM_CREATE))
1886 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1887
1888 switch (uMsg)
1889 {
1890 case TBM_CLEARSEL:
1891 return TRACKBAR_ClearSel (infoPtr, (BOOL)wParam);
1892
1893 case TBM_CLEARTICS:
1894 return TRACKBAR_ClearTics (infoPtr, (BOOL)wParam);
1895
1896 case TBM_GETBUDDY:
1897 return (LRESULT)(wParam ? infoPtr->hwndBuddyLA : infoPtr->hwndBuddyRB);
1898
1899 case TBM_GETCHANNELRECT:
1900 return TRACKBAR_GetChannelRect (infoPtr, (LPRECT)lParam);
1901
1902 case TBM_GETLINESIZE:
1903 return infoPtr->lLineSize;
1904
1905 case TBM_GETNUMTICS:
1906 return TRACKBAR_GetNumTics (infoPtr);
1907
1908 case TBM_GETPAGESIZE:
1909 return infoPtr->lPageSize;
1910
1911 case TBM_GETPOS:
1912 return infoPtr->lPos;
1913
1914 case TBM_GETPTICS:
1915 return (LRESULT)infoPtr->tics;
1916
1917 case TBM_GETRANGEMAX:
1918 return infoPtr->lRangeMax;
1919
1920 case TBM_GETRANGEMIN:
1921 return infoPtr->lRangeMin;
1922
1923 case TBM_GETSELEND:
1924 return infoPtr->lSelMax;
1925
1926 case TBM_GETSELSTART:
1927 return infoPtr->lSelMin;
1928
1929 case TBM_GETTHUMBLENGTH:
1930 return infoPtr->uThumbLen;
1931
1932 case TBM_GETTHUMBRECT:
1933 return CopyRect((LPRECT)lParam, &infoPtr->rcThumb);
1934
1935 case TBM_GETTIC:
1936 return TRACKBAR_GetTic (infoPtr, (INT)wParam);
1937
1938 case TBM_GETTICPOS:
1939 return TRACKBAR_GetTicPos (infoPtr, (INT)wParam);
1940
1941 case TBM_GETTOOLTIPS:
1942 return (LRESULT)infoPtr->hwndToolTip;
1943
1944 case TBM_GETUNICODEFORMAT:
1945 return infoPtr->bUnicode;
1946
1947 case TBM_SETBUDDY:
1948 return (LRESULT) TRACKBAR_SetBuddy(infoPtr, (BOOL)wParam, (HWND)lParam);
1949
1950 case TBM_SETLINESIZE:
1951 return TRACKBAR_SetLineSize (infoPtr, (LONG)lParam);
1952
1953 case TBM_SETPAGESIZE:
1954 return TRACKBAR_SetPageSize (infoPtr, (LONG)lParam);
1955
1956 case TBM_SETPOS:
1957 return TRACKBAR_SetPos (infoPtr, (BOOL)wParam, (LONG)lParam);
1958
1959 case TBM_SETRANGE:
1960 return TRACKBAR_SetRange (infoPtr, (BOOL)wParam, (LONG)lParam);
1961
1962 case TBM_SETRANGEMAX:
1963 return TRACKBAR_SetRangeMax (infoPtr, (BOOL)wParam, (LONG)lParam);
1964
1965 case TBM_SETRANGEMIN:
1966 return TRACKBAR_SetRangeMin (infoPtr, (BOOL)wParam, (LONG)lParam);
1967
1968 case TBM_SETSEL:
1969 return TRACKBAR_SetSel (infoPtr, (BOOL)wParam, (LONG)lParam);
1970
1971 case TBM_SETSELEND:
1972 return TRACKBAR_SetSelEnd (infoPtr, (BOOL)wParam, (LONG)lParam);
1973
1974 case TBM_SETSELSTART:
1975 return TRACKBAR_SetSelStart (infoPtr, (BOOL)wParam, (LONG)lParam);
1976
1977 case TBM_SETTHUMBLENGTH:
1978 return TRACKBAR_SetThumbLength (infoPtr, (UINT)wParam);
1979
1980 case TBM_SETTIC:
1981 return TRACKBAR_SetTic (infoPtr, (LONG)lParam);
1982
1983 case TBM_SETTICFREQ:
1984 return TRACKBAR_SetTicFreq (infoPtr, (WORD)wParam);
1985
1986 case TBM_SETTIPSIDE:
1987 return TRACKBAR_SetTipSide (infoPtr, (INT)wParam);
1988
1989 case TBM_SETTOOLTIPS:
1990 return TRACKBAR_SetToolTips (infoPtr, (HWND)wParam);
1991
1992 case TBM_SETUNICODEFORMAT:
1993 return TRACKBAR_SetUnicodeFormat (infoPtr, (BOOL)wParam);
1994
1995
1996 case WM_CAPTURECHANGED:
1997 if (hwnd == (HWND)lParam) return 0;
1998 return TRACKBAR_CaptureChanged (infoPtr);
1999
2000 case WM_CREATE:
2001 return TRACKBAR_Create (hwnd, (LPCREATESTRUCTW)lParam);
2002
2003 case WM_DESTROY:
2004 return TRACKBAR_Destroy (infoPtr);
2005
2006 case WM_ENABLE:
2007 return TRACKBAR_Enable (infoPtr, (BOOL)wParam);
2008
2009 case WM_ERASEBKGND:
2010 return 0;
2011
2012 case WM_GETDLGCODE:
2013 return DLGC_WANTARROWS;
2014
2015 case WM_KEYDOWN:
2016 return TRACKBAR_KeyDown (infoPtr, (INT)wParam);
2017
2018 case WM_KEYUP:
2019 return TRACKBAR_KeyUp (infoPtr, (INT)wParam);
2020
2021 case WM_KILLFOCUS:
2022 return TRACKBAR_KillFocus (infoPtr);
2023
2024 case WM_LBUTTONDOWN:
2025 return TRACKBAR_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2026
2027 case WM_LBUTTONUP:
2028 return TRACKBAR_LButtonUp (infoPtr);
2029
2030 case WM_MOUSELEAVE:
2031 infoPtr->flags &= ~TB_THUMB_HOT;
2032 InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
2033 return 0;
2034
2035 case WM_MOUSEMOVE:
2036 return TRACKBAR_MouseMove (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
2037
2038 case WM_PRINTCLIENT:
2039 case WM_PAINT:
2040 return TRACKBAR_Paint (infoPtr, (HDC)wParam);
2041
2042 case WM_SETFOCUS:
2043 return TRACKBAR_SetFocus (infoPtr);
2044
2045 case WM_SIZE:
2046 return TRACKBAR_Size (infoPtr);
2047
2048 case WM_STYLECHANGED:
2049 return TRACKBAR_StyleChanged (infoPtr, wParam, (LPSTYLESTRUCT)lParam);
2050
2051 case WM_THEMECHANGED:
2052 return theme_changed (infoPtr);
2053
2054 case WM_TIMER:
2055 return TRACKBAR_Timer (infoPtr);
2056
2057 case WM_WININICHANGE:
2058 return TRACKBAR_InitializeThumb (infoPtr);
2059
2060 default:
2061 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
2062 ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
2063 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2064 }
2065 }
2066
2067
2068 void TRACKBAR_Register (void)
2069 {
2070 WNDCLASSW wndClass;
2071
2072 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2073 wndClass.style = CS_GLOBALCLASS;
2074 wndClass.lpfnWndProc = TRACKBAR_WindowProc;
2075 wndClass.cbClsExtra = 0;
2076 wndClass.cbWndExtra = sizeof(TRACKBAR_INFO *);
2077 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2078 wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
2079 wndClass.lpszClassName = TRACKBAR_CLASSW;
2080
2081 RegisterClassW (&wndClass);
2082 }
2083
2084
2085 void TRACKBAR_Unregister (void)
2086 {
2087 UnregisterClassW (TRACKBAR_CLASSW, NULL);
2088 }
2089