source: trunk/src/comctl32/trackbar.c@ 51

Last change on this file since 51 was 44, checked in by achimha, 26 years ago

* empty log message *
File size: 42.4 KB
Line 
1/*
2 * Trackbar control
3 *
4 * Copyright 1998, 1999 Eric Kohl <ekohl@abo.rhein-zeitung.de>
5 * Copyright 1998,1999 Alex Priem <alexp@sci.kun.nl>
6 *
7 *
8 * TODO:
9 * - Some messages.
10 * - more display code.
11 * - handle dragging slider better
12 * - better tic handling.
13 * - more notifications.
14 *
15 */
16
17/* known bugs:
18
19 -TBM_SETRANGEMAX & TBM_SETRANGEMIN should only change the view of the
20 trackbar, not the actual amount of tics in the list.
21 -TBM_GETTIC & TBM_GETTICPOS shouldn't rely on infoPtr->tics being sorted.
22 - Make drawing code exact match of w95 drawing.
23*/
24
25
26
27#include "winbase.h"
28#include "commctrl.h"
29#include "trackbar.h"
30#include <stdio.h>
31
32
33#define TRACKBAR_GetInfoPtr(wndPtr) ((TRACKBAR_INFO *)GetWindowLongA (hwnd,0))
34
35
36/* Used by TRACKBAR_Refresh to find out which parts of the control
37 need to be recalculated */
38
39#define TB_THUMBPOSCHANGED 1
40#define TB_THUMBSIZECHANGED 2
41#define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBPOSCHANGED)
42#define TB_SELECTIONCHANGED 4
43#define TB_DRAG_MODE 16 /* we're dragging the slider */
44#define TB_DRAGPOSVALID 32 /* current Position is in dragPos */
45#define TB_SHOW_TOOLTIP 64 /* tooltip-style enabled and tooltip on */
46
47/* helper defines for TRACKBAR_DrawTic */
48#define TIC_LEFTEDGE 0x20
49#define TIC_RIGHTEDGE 0x40
50#define TIC_EDGE (TIC_LEFTEDGE | TIC_RIGHTEDGE)
51#define TIC_SELECTIONMARKMAX 0x80
52#define TIC_SELECTIONMARKMIN 0x100
53#define TIC_SELECTIONMARK (TIC_SELECTIONMARKMAX | TIC_SELECTIONMARKMIN)
54
55static BOOL TRACKBAR_SendNotify (HWND hwnd, UINT code);
56
57void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr)
58{
59 int i,tic,nrTics;
60
61 if (infoPtr->uTicFreq && infoPtr->nRangeMax >= infoPtr->nRangeMin)
62 nrTics=(infoPtr->nRangeMax - infoPtr->nRangeMin)/infoPtr->uTicFreq;
63 else {
64 nrTics=0;
65 COMCTL32_Free (infoPtr->tics);
66 infoPtr->tics=NULL;
67 infoPtr->uNumTics=0;
68 return;
69 }
70
71 if (nrTics!=infoPtr->uNumTics) {
72 infoPtr->tics=COMCTL32_ReAlloc (infoPtr->tics,
73 (nrTics+1)*sizeof (DWORD));
74 infoPtr->uNumTics=nrTics;
75 }
76 infoPtr->uNumTics=nrTics;
77 tic=infoPtr->nRangeMin+infoPtr->uTicFreq;
78 for (i=0; i<nrTics; i++,tic+=infoPtr->uTicFreq)
79 infoPtr->tics[i]=tic;
80}
81
82
83/* converts from physical (mouse) position to logical position
84 (in range of trackbar) */
85
86static DOUBLE
87TRACKBAR_ConvertPlaceToPosition (TRACKBAR_INFO *infoPtr, int place,
88 int vertical)
89{
90 double range,width,pos;
91
92 range=infoPtr->nRangeMax - infoPtr->nRangeMin;
93 if (vertical) {
94 width=infoPtr->rcChannel.bottom - infoPtr->rcChannel.top;
95 pos=(range*(place - infoPtr->rcChannel.top)) / width;
96 } else {
97 width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
98 pos=(range*(place - infoPtr->rcChannel.left)) / width;
99 }
100
101 if (pos > infoPtr->nRangeMax)
102 pos = infoPtr->nRangeMax;
103 else if (pos < infoPtr->nRangeMin)
104 pos = infoPtr->nRangeMin;
105
106// TRACE (trackbar,"%.2f\n",pos);
107 return pos;
108}
109
110
111static VOID
112TRACKBAR_CalcChannel (HWND hwnd, TRACKBAR_INFO *infoPtr)
113{
114 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
115 INT cyChannel;
116 RECT lpRect,*channel = & infoPtr->rcChannel;
117
118 GetClientRect (hwnd, &lpRect);
119
120 if (dwStyle & TBS_ENABLESELRANGE)
121 cyChannel = MAX(infoPtr->uThumbLen - 8, 4);
122 else
123 cyChannel = 4;
124
125 if (dwStyle & TBS_VERT) {
126 channel->top = lpRect.top + 8;
127 channel->bottom = lpRect.bottom - 8;
128
129 if (dwStyle & TBS_BOTH) {
130 channel->left = (lpRect.right - cyChannel) / 2;
131 channel->right = (lpRect.right + cyChannel) / 2;
132 }
133 else if (dwStyle & TBS_LEFT) {
134 channel->left = lpRect.left + 10;
135 channel->right = channel->left + cyChannel;
136 }
137 else { /* TBS_RIGHT */
138 channel->right = lpRect.right - 10;
139 channel->left = channel->right - cyChannel;
140 }
141 }
142 else {
143 channel->left = lpRect.left + 8;
144 channel->right = lpRect.right - 8;
145 if (dwStyle & TBS_BOTH) {
146 channel->top = (lpRect.bottom - cyChannel) / 2;
147 channel->bottom = (lpRect.bottom + cyChannel) / 2;
148 }
149 else if (dwStyle & TBS_TOP) {
150 channel->top = lpRect.top + 10;
151 channel->bottom = channel->top + cyChannel;
152 }
153 else { /* TBS_BOTTOM */
154 channel->bottom = lpRect.bottom - 10;
155 channel->top = channel->bottom - cyChannel;
156 }
157 }
158}
159
160static VOID
161TRACKBAR_CalcThumb (HWND hwnd, TRACKBAR_INFO *infoPtr)
162{
163 RECT *thumb;
164 int range, width;
165
166 thumb=&infoPtr->rcThumb;
167 range=infoPtr->nRangeMax - infoPtr->nRangeMin;
168 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_VERT) {
169 width=infoPtr->rcChannel.bottom - infoPtr->rcChannel.top;
170 thumb->left = infoPtr->rcChannel.left - 1;
171 thumb->right = infoPtr->rcChannel.left + infoPtr->uThumbLen - 8;
172 thumb->top = infoPtr->rcChannel.top +
173 (width*infoPtr->nPos)/range - 5;
174 thumb->bottom = thumb->top + infoPtr->uThumbLen/3;
175
176 } else {
177 width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
178 thumb->left = infoPtr->rcChannel.left +
179 (width*infoPtr->nPos)/range - 5;
180 thumb->right = thumb->left + infoPtr->uThumbLen/3;
181 thumb->top = infoPtr->rcChannel.top - 1;
182 thumb->bottom = infoPtr->rcChannel.top + infoPtr->uThumbLen - 8;
183 }
184}
185
186static VOID
187TRACKBAR_CalcSelection (HWND hwnd, TRACKBAR_INFO *infoPtr)
188{
189 RECT *selection;
190 int range, width;
191
192 selection= & infoPtr->rcSelection;
193 range=infoPtr->nRangeMax - infoPtr->nRangeMin;
194 width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
195
196 if (range <= 0)
197 SetRectEmpty (selection);
198 else
199 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_VERT) {
200 selection->left = infoPtr->rcChannel.left +
201 (width*infoPtr->nSelMin)/range;
202 selection->right = infoPtr->rcChannel.left +
203 (width*infoPtr->nSelMax)/range;
204 selection->top = infoPtr->rcChannel.top + 2;
205 selection->bottom = infoPtr->rcChannel.bottom - 2;
206 } else {
207 selection->top = infoPtr->rcChannel.top +
208 (width*infoPtr->nSelMin)/range;
209 selection->bottom = infoPtr->rcChannel.top +
210 (width*infoPtr->nSelMax)/range;
211 selection->left = infoPtr->rcChannel.left + 2;
212 selection->right = infoPtr->rcChannel.right - 2;
213 }
214}
215
216/* Trackbar drawing code. I like my spaghetti done milanese. */
217
218/* ticPos is in tic-units, not in pixels */
219
220static VOID
221TRACKBAR_DrawHorizTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos,
222 int flags, COLORREF clrTic)
223{
224 RECT rcChannel=infoPtr->rcChannel;
225 int x,y,width,range,side;
226
227 range=infoPtr->nRangeMax - infoPtr->nRangeMin;
228 width=rcChannel.right - rcChannel.left;
229
230 if (flags & TBS_TOP) {
231 y=rcChannel.top-2;
232 side=-1;
233 } else {
234 y=rcChannel.bottom+2;
235 side=1;
236 }
237
238 if (flags & TIC_SELECTIONMARK) {
239 if (flags & TIC_SELECTIONMARKMIN)
240 x=rcChannel.left + (width*ticPos)/range - 1;
241 else
242 x=rcChannel.left + (width*ticPos)/range + 1;
243
244 SetPixel (hdc, x,y+6*side, clrTic);
245 SetPixel (hdc, x,y+7*side, clrTic);
246 return;
247 }
248
249 if ((ticPos>infoPtr->nRangeMin) && (ticPos<infoPtr->nRangeMax)) {
250 x=rcChannel.left + (width*ticPos)/range;
251 SetPixel (hdc, x,y+5*side, clrTic);
252 SetPixel (hdc, x,y+6*side, clrTic);
253 SetPixel (hdc, x,y+7*side, clrTic);
254 }
255
256 if (flags & TIC_EDGE) {
257 if (flags & TIC_LEFTEDGE)
258 x=rcChannel.left;
259 else
260 x=rcChannel.right;
261
262 SetPixel (hdc, x,y+5*side, clrTic);
263 SetPixel (hdc, x,y+6*side, clrTic);
264 SetPixel (hdc, x,y+7*side, clrTic);
265 SetPixel (hdc, x,y+8*side, clrTic);
266 }
267
268}
269
270static VOID
271TRACKBAR_DrawVertTic (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos,
272 int flags, COLORREF clrTic)
273{
274 RECT rcChannel=infoPtr->rcChannel;
275 int x,y,width,range,side;
276
277 range=infoPtr->nRangeMax - infoPtr->nRangeMin;
278 width=rcChannel.bottom - rcChannel.top;
279
280 if (flags & TBS_TOP) {
281 x=rcChannel.right-2;
282 side=-1;
283 } else {
284 x=rcChannel.left+2;
285 side=1;
286 }
287
288
289 if (flags & TIC_SELECTIONMARK) {
290 if (flags & TIC_SELECTIONMARKMIN)
291 y=rcChannel.top + (width*ticPos)/range - 1;
292 else
293 y=rcChannel.top + (width*ticPos)/range + 1;
294
295 SetPixel (hdc, x+6*side, y, clrTic);
296 SetPixel (hdc, x+7*side, y, clrTic);
297 return;
298 }
299
300 if ((ticPos>infoPtr->nRangeMin) && (ticPos<infoPtr->nRangeMax)) {
301 y=rcChannel.top + (width*ticPos)/range;
302 SetPixel (hdc, x+5*side, y, clrTic);
303 SetPixel (hdc, x+6*side, y, clrTic);
304 SetPixel (hdc, x+7*side, y, clrTic);
305 }
306
307 if (flags & TIC_EDGE) {
308 if (flags & TIC_LEFTEDGE)
309 y=rcChannel.top;
310 else
311 y=rcChannel.bottom;
312
313 SetPixel (hdc, x+5*side, y, clrTic);
314 SetPixel (hdc, x+6*side, y, clrTic);
315 SetPixel (hdc, x+7*side, y, clrTic);
316 SetPixel (hdc, x+8*side, y, clrTic);
317 }
318
319}
320
321
322static VOID
323TRACKBAR_DrawTics (TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos,
324 int flags, COLORREF clrTic)
325{
326
327 if (flags & TBS_VERT) {
328 if ((flags & TBS_TOP) || (flags & TBS_BOTH))
329 TRACKBAR_DrawVertTic (infoPtr, hdc, ticPos,
330 flags | TBS_TOP , clrTic);
331 if (!(flags & TBS_TOP) || (flags & TBS_BOTH))
332 TRACKBAR_DrawVertTic (infoPtr, hdc, ticPos, flags, clrTic);
333 return;
334 }
335
336 if ((flags & TBS_TOP) || (flags & TBS_BOTH))
337 TRACKBAR_DrawHorizTic (infoPtr, hdc, ticPos, flags | TBS_TOP , clrTic);
338
339 if (!(flags & TBS_TOP) || (flags & TBS_BOTH))
340 TRACKBAR_DrawHorizTic (infoPtr, hdc, ticPos, flags, clrTic);
341
342}
343
344
345static VOID
346TRACKBAR_Refresh (HWND hwnd, HDC hdc)
347{
348 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
349 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
350 RECT rcClient, rcChannel, rcSelection;
351 HBRUSH hBrush = CreateSolidBrush (infoPtr->clrBk);
352 int i;
353
354 GetClientRect (hwnd, &rcClient);
355 hBrush = CreateSolidBrush (infoPtr->clrBk);
356 FillRect (hdc, &rcClient, hBrush);
357 DeleteObject (hBrush);
358
359 if (infoPtr->flags & TB_DRAGPOSVALID) {
360 infoPtr->nPos=infoPtr->dragPos;
361 infoPtr->flags |= TB_THUMBPOSCHANGED;
362 }
363
364 if (infoPtr->flags & TB_THUMBCHANGED) {
365 TRACKBAR_CalcThumb (hwnd, infoPtr);
366 if (infoPtr->flags & TB_THUMBSIZECHANGED)
367 TRACKBAR_CalcChannel (hwnd, infoPtr);
368 }
369 if (infoPtr->flags & TB_SELECTIONCHANGED)
370 TRACKBAR_CalcSelection (hwnd, infoPtr);
371 infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED |
372 TB_DRAGPOSVALID);
373
374 /* draw channel */
375
376 rcChannel = infoPtr->rcChannel;
377 rcSelection= infoPtr->rcSelection;
378 DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
379
380 if (dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */
381 HBRUSH hbr = CreateSolidBrush (RGB(255,255,255));
382 FillRect (hdc, &rcChannel, hbr);
383 if (((dwStyle & TBS_VERT) &&
384 (rcSelection.left!=rcSelection.right)) ||
385 ((!(dwStyle & TBS_VERT)) &&
386 (rcSelection.left!=rcSelection.right))) {
387 hbr=CreateSolidBrush (COLOR_HIGHLIGHT);
388 FillRect (hdc, &rcSelection, hbr);
389 }
390 DeleteObject (hbr);
391 }
392
393
394 /* draw tics */
395
396 if (!(dwStyle & TBS_NOTICKS)) {
397 int ticFlags = dwStyle & 0x0f;
398 COLORREF clrTic=GetSysColor (COLOR_3DDKSHADOW);
399
400 for (i=0; i<infoPtr->uNumTics; i++)
401 TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->tics[i],
402 ticFlags, clrTic);
403
404 TRACKBAR_DrawTics (infoPtr, hdc, 0, ticFlags | TIC_LEFTEDGE, clrTic);
405 TRACKBAR_DrawTics (infoPtr, hdc, 0, ticFlags | TIC_RIGHTEDGE, clrTic);
406
407 if ((dwStyle & TBS_ENABLESELRANGE) &&
408 (rcSelection.left!=rcSelection.right)) {
409 TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->nSelMin,
410 ticFlags | TIC_SELECTIONMARKMIN, clrTic);
411 TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->nSelMax,
412 ticFlags | TIC_SELECTIONMARKMAX, clrTic);
413 }
414 }
415
416 /* draw thumb */
417
418 if (!(dwStyle & TBS_NOTHUMB)) {
419
420 HBRUSH hbr = CreateSolidBrush (COLOR_BACKGROUND);
421 RECT thumb = infoPtr->rcThumb;
422
423 SelectObject (hdc, hbr);
424
425 if (dwStyle & TBS_BOTH) {
426 FillRect (hdc, &thumb, hbr);
427 DrawEdge (hdc, &thumb, EDGE_RAISED, BF_TOPLEFT);
428 } else {
429
430 POINT points[6];
431
432 /* first, fill the thumb */
433 /* FIXME: revamp. check for TBS_VERT */
434
435 SetPolyFillMode (hdc,WINDING);
436 points[0].x=thumb.left;
437 points[0].y=thumb.top;
438 points[1].x=thumb.right - 1;
439 points[1].y=thumb.top;
440 points[2].x=thumb.right - 1;
441 points[2].y=thumb.bottom -2;
442 points[3].x=(thumb.right + thumb.left-1)/2;
443 points[3].y=thumb.bottom+4;
444 points[4].x=thumb.left;
445 points[4].y=thumb.bottom -2;
446 points[5].x=points[0].x;
447 points[5].y=points[0].y;
448 Polygon (hdc, points, 6);
449
450 if (dwStyle & TBS_VERT) {
451 /* draw edge */
452 } else {
453 RECT triangle; /* for correct shadows of thumb */
454 DrawEdge (hdc, &thumb, EDGE_RAISED, BF_TOPLEFT);
455
456 /* draw notch */
457
458 triangle.right = thumb.right+5;
459 triangle.left = points[3].x+5;
460 triangle.top = thumb.bottom +5;
461 triangle.bottom= thumb.bottom +1;
462 DrawEdge (hdc, &triangle, EDGE_SUNKEN,
463 BF_DIAGONAL | BF_TOP | BF_RIGHT);
464 triangle.left = thumb.left+6;
465 triangle.right = points[3].x+6;
466 DrawEdge (hdc, &triangle, EDGE_RAISED,
467 BF_DIAGONAL | BF_TOP | BF_LEFT);
468 }
469 }
470 DeleteObject (hbr);
471 }
472
473 if (infoPtr->bFocus)
474 DrawFocusRect (hdc, &rcClient);
475}
476
477
478static VOID
479TRACKBAR_AlignBuddies (HWND hwnd, TRACKBAR_INFO *infoPtr)
480{
481 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
482 HWND hwndParent = GetParent (hwnd);
483 RECT rcSelf, rcBuddy;
484 INT x, y;
485
486 GetWindowRect (hwnd, &rcSelf);
487 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcSelf, 2);
488
489 /* align buddy left or above */
490 if (infoPtr->hwndBuddyLA) {
491 GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy);
492 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
493
494 if (dwStyle & TBS_VERT) {
495 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
496 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
497 y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top);
498 }
499 else {
500 x = rcSelf.left - (rcBuddy.right - rcBuddy.left);
501 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
502 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
503 }
504
505 SetWindowPos (infoPtr->hwndBuddyLA, 0, x, y, 0, 0,
506 SWP_NOZORDER | SWP_NOSIZE);
507 }
508
509
510 /* align buddy right or below */
511 if (infoPtr->hwndBuddyRB) {
512 GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy);
513 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
514
515 if (dwStyle & TBS_VERT) {
516 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
517 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
518 y = rcSelf.bottom;
519 }
520 else {
521 x = rcSelf.right;
522 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
523 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
524 }
525 SetWindowPos (infoPtr->hwndBuddyRB, 0, x, y, 0, 0,
526 SWP_NOZORDER | SWP_NOSIZE);
527 }
528}
529
530
531static LRESULT
532TRACKBAR_ClearSel (HWND hwnd, WPARAM wParam, LPARAM lParam)
533{
534 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
535
536 infoPtr->nSelMin = 0;
537 infoPtr->nSelMax = 0;
538 infoPtr->flags |= TB_SELECTIONCHANGED;
539
540 if ((BOOL)wParam)
541 InvalidateRect (hwnd, NULL, FALSE);
542
543 return 0;
544}
545
546
547static LRESULT
548TRACKBAR_ClearTics (HWND hwnd, WPARAM wParam, LPARAM lParam)
549{
550 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
551
552 if (infoPtr->tics) {
553 COMCTL32_Free (infoPtr->tics);
554 infoPtr->tics = NULL;
555 infoPtr->uNumTics = 0;
556 }
557
558 if (wParam)
559 InvalidateRect (hwnd, NULL, FALSE);
560
561 return 0;
562}
563
564
565static LRESULT
566TRACKBAR_GetBuddy (HWND hwnd, WPARAM wParam, LPARAM lParam)
567{
568 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
569
570 if (wParam) /* buddy is left or above */
571 return (LRESULT)infoPtr->hwndBuddyLA;
572
573 /* buddy is right or below */
574 return (LRESULT) infoPtr->hwndBuddyRB;
575}
576
577
578static LRESULT
579TRACKBAR_GetChannelRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
580{
581 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
582 LPRECT lprc = (LPRECT)lParam;
583
584 if (lprc == NULL)
585 return 0;
586
587 lprc->left = infoPtr->rcChannel.left;
588 lprc->right = infoPtr->rcChannel.right;
589 lprc->bottom = infoPtr->rcChannel.bottom;
590 lprc->top = infoPtr->rcChannel.top;
591
592 return 0;
593}
594
595
596static LRESULT
597TRACKBAR_GetLineSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
598{
599 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
600
601 return infoPtr->nLineSize;
602}
603
604
605static LRESULT
606TRACKBAR_GetNumTics (HWND hwnd, WPARAM wParam, LPARAM lParam)
607{
608 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
609
610 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_NOTICKS)
611 return 0;
612
613 return infoPtr->uNumTics+2;
614}
615
616
617static LRESULT
618TRACKBAR_GetPageSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
619{
620 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
621
622 return infoPtr->nPageSize;
623}
624
625
626static LRESULT
627TRACKBAR_GetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
628{
629 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
630
631 return infoPtr->nPos;
632}
633
634
635static LRESULT
636TRACKBAR_GetRangeMax (HWND hwnd, WPARAM wParam, LPARAM lParam)
637{
638 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
639
640 return infoPtr->nRangeMax;
641}
642
643
644static LRESULT
645TRACKBAR_GetRangeMin (HWND hwnd, WPARAM wParam, LPARAM lParam)
646{
647 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
648
649 return infoPtr->nRangeMin;
650}
651
652
653static LRESULT
654TRACKBAR_GetSelEnd (HWND hwnd, WPARAM wParam, LPARAM lParam)
655{
656 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
657
658 return infoPtr->nSelMax;
659}
660
661
662static LRESULT
663TRACKBAR_GetSelStart (HWND hwnd, WPARAM wParam, LPARAM lParam)
664{
665 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
666
667 return infoPtr->nSelMin;
668}
669
670
671static LRESULT
672TRACKBAR_GetThumbLength (HWND hwnd, WPARAM wParam, LPARAM lParam)
673{
674 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
675
676 return infoPtr->uThumbLen;
677}
678
679static LRESULT
680TRACKBAR_GetPTics (HWND hwnd)
681{
682 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
683
684 return (LRESULT) infoPtr->tics;
685}
686
687static LRESULT
688TRACKBAR_GetThumbRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
689{
690 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
691 LPRECT lprc = (LPRECT)lParam;
692
693 if (lprc == NULL)
694 return 0;
695
696 lprc->left = infoPtr->rcThumb.left;
697 lprc->right = infoPtr->rcThumb.right;
698 lprc->bottom = infoPtr->rcThumb.bottom;
699 lprc->top = infoPtr->rcThumb.top;
700
701 return 0;
702}
703
704
705static LRESULT
706TRACKBAR_GetTic (HWND hwnd, WPARAM wParam, LPARAM lParam)
707{
708 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
709 INT iTic;
710
711 iTic=(INT) wParam;
712 if ((iTic<0) || (iTic>infoPtr->uNumTics))
713 return -1;
714
715 return (LRESULT) infoPtr->tics[iTic];
716
717}
718
719
720static LRESULT
721TRACKBAR_GetTicPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
722{
723 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
724 INT iTic, range, width, pos;
725
726
727 iTic=(INT ) wParam;
728 if ((iTic<0) || (iTic>infoPtr->uNumTics))
729 return -1;
730
731 range=infoPtr->nRangeMax - infoPtr->nRangeMin;
732 width=infoPtr->rcChannel.right - infoPtr->rcChannel.left;
733 pos=infoPtr->rcChannel.left + (width * infoPtr->tics[iTic]) / range;
734
735
736 return (LRESULT) pos;
737}
738
739
740static LRESULT
741TRACKBAR_GetToolTips (HWND hwnd, WPARAM wParam, LPARAM lParam)
742{
743 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
744
745 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_TOOLTIPS)
746 return (LRESULT)infoPtr->hwndToolTip;
747 return 0;
748}
749
750
751/* case TBM_GETUNICODEFORMAT: */
752
753
754static LRESULT
755TRACKBAR_SetBuddy (HWND hwnd, WPARAM wParam, LPARAM lParam)
756{
757 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
758 HWND hwndTemp;
759
760 if (wParam) {
761 /* buddy is left or above */
762 hwndTemp = infoPtr->hwndBuddyLA;
763 infoPtr->hwndBuddyLA = (HWND)lParam;
764
765// FIXME (trackbar, "move buddy!\n");
766 }
767 else {
768 /* buddy is right or below */
769 hwndTemp = infoPtr->hwndBuddyRB;
770 infoPtr->hwndBuddyRB = (HWND)lParam;
771
772// FIXME (trackbar, "move buddy!\n");
773 }
774
775 TRACKBAR_AlignBuddies (hwnd, infoPtr);
776
777 return (LRESULT)hwndTemp;
778}
779
780
781static LRESULT
782TRACKBAR_SetLineSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
783{
784 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
785 INT nTemp = infoPtr->nLineSize;
786
787 infoPtr->nLineSize = (INT)lParam;
788
789 return nTemp;
790}
791
792
793static LRESULT
794TRACKBAR_SetPageSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
795{
796 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
797 INT nTemp = infoPtr->nPageSize;
798
799 infoPtr->nPageSize = (INT)lParam;
800
801 return nTemp;
802}
803
804
805static LRESULT
806TRACKBAR_SetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
807{
808 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
809
810 infoPtr->nPos = (INT)LOWORD(lParam);
811
812 if (infoPtr->nPos < infoPtr->nRangeMin)
813 infoPtr->nPos = infoPtr->nRangeMin;
814
815 if (infoPtr->nPos > infoPtr->nRangeMax)
816 infoPtr->nPos = infoPtr->nRangeMax;
817 infoPtr->flags |= TB_THUMBPOSCHANGED;
818
819 if (wParam)
820 InvalidateRect (hwnd, NULL, FALSE);
821
822 return 0;
823}
824
825
826static LRESULT
827TRACKBAR_SetRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
828{
829 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
830 infoPtr->nRangeMin = (INT)LOWORD(lParam);
831 infoPtr->nRangeMax = (INT)HIWORD(lParam);
832
833 if (infoPtr->nPos < infoPtr->nRangeMin) {
834 infoPtr->nPos = infoPtr->nRangeMin;
835 infoPtr->flags |=TB_THUMBPOSCHANGED;
836 }
837
838 if (infoPtr->nPos > infoPtr->nRangeMax) {
839 infoPtr->nPos = infoPtr->nRangeMax;
840 infoPtr->flags |=TB_THUMBPOSCHANGED;
841 }
842
843 infoPtr->nPageSize=(infoPtr->nRangeMax - infoPtr->nRangeMin)/5;
844 if (infoPtr->nPageSize == 0)
845 infoPtr->nPageSize = 1;
846 TRACKBAR_RecalculateTics (infoPtr);
847
848 if (wParam)
849 InvalidateRect (hwnd, NULL, FALSE);
850
851 return 0;
852}
853
854
855static LRESULT
856TRACKBAR_SetRangeMax (HWND hwnd, WPARAM wParam, LPARAM lParam)
857{
858 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
859
860 infoPtr->nRangeMax = (INT)lParam;
861 if (infoPtr->nPos > infoPtr->nRangeMax) {
862 infoPtr->nPos = infoPtr->nRangeMax;
863 infoPtr->flags |=TB_THUMBPOSCHANGED;
864 }
865
866 infoPtr->nPageSize=(infoPtr->nRangeMax - infoPtr->nRangeMin)/5;
867 if (infoPtr->nPageSize == 0)
868 infoPtr->nPageSize = 1;
869 TRACKBAR_RecalculateTics (infoPtr);
870
871 if (wParam)
872 InvalidateRect (hwnd, NULL, FALSE);
873
874 return 0;
875}
876
877
878static LRESULT
879TRACKBAR_SetRangeMin (HWND hwnd, WPARAM wParam, LPARAM lParam)
880{
881 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
882
883 infoPtr->nRangeMin = (INT)lParam;
884 if (infoPtr->nPos < infoPtr->nRangeMin) {
885 infoPtr->nPos = infoPtr->nRangeMin;
886 infoPtr->flags |=TB_THUMBPOSCHANGED;
887 }
888
889 infoPtr->nPageSize=(infoPtr->nRangeMax - infoPtr->nRangeMin)/5;
890 if (infoPtr->nPageSize == 0)
891 infoPtr->nPageSize = 1;
892 TRACKBAR_RecalculateTics (infoPtr);
893
894 if (wParam)
895 InvalidateRect (hwnd, NULL, FALSE);
896
897 return 0;
898}
899
900
901static LRESULT
902TRACKBAR_SetTicFreq (HWND hwnd, WPARAM wParam)
903{
904 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
905
906 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_AUTOTICKS)
907 infoPtr->uTicFreq=(UINT) wParam;
908
909 TRACKBAR_RecalculateTics (infoPtr);
910
911 InvalidateRect (hwnd, NULL, FALSE);
912
913 return 0;
914}
915
916
917static LRESULT
918TRACKBAR_SetSel (HWND hwnd, WPARAM wParam, LPARAM lParam)
919{
920 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
921
922 infoPtr->nSelMin = (INT)LOWORD(lParam);
923 infoPtr->nSelMax = (INT)HIWORD(lParam);
924 infoPtr->flags |=TB_SELECTIONCHANGED;
925
926 if (!GetWindowLongA (hwnd, GWL_STYLE) & TBS_ENABLESELRANGE)
927 return 0;
928
929 if (infoPtr->nSelMin < infoPtr->nRangeMin)
930 infoPtr->nSelMin = infoPtr->nRangeMin;
931 if (infoPtr->nSelMax > infoPtr->nRangeMax)
932 infoPtr->nSelMax = infoPtr->nRangeMax;
933
934 if (wParam)
935 InvalidateRect (hwnd, NULL, FALSE);
936
937
938 return 0;
939}
940
941
942static LRESULT
943TRACKBAR_SetSelEnd (HWND hwnd, WPARAM wParam, LPARAM lParam)
944{
945 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
946
947 if (!GetWindowLongA (hwnd, GWL_STYLE) & TBS_ENABLESELRANGE)
948 return 0;
949
950 infoPtr->nSelMax = (INT)lParam;
951 infoPtr->flags |= TB_SELECTIONCHANGED;
952
953 if (infoPtr->nSelMax > infoPtr->nRangeMax)
954 infoPtr->nSelMax = infoPtr->nRangeMax;
955
956 if (wParam)
957 InvalidateRect (hwnd, NULL, FALSE);
958
959 return 0;
960}
961
962
963static LRESULT
964TRACKBAR_SetSelStart (HWND hwnd, WPARAM wParam, LPARAM lParam)
965{
966 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
967
968 if (!GetWindowLongA (hwnd, GWL_STYLE) & TBS_ENABLESELRANGE)
969 return 0;
970
971 infoPtr->nSelMin = (INT)lParam;
972 infoPtr->flags |=TB_SELECTIONCHANGED;
973
974 if (infoPtr->nSelMin < infoPtr->nRangeMin)
975 infoPtr->nSelMin = infoPtr->nRangeMin;
976
977 if (wParam)
978 InvalidateRect (hwnd, NULL, FALSE);
979
980 return 0;
981}
982
983
984static LRESULT
985TRACKBAR_SetThumbLength (HWND hwnd, WPARAM wParam, LPARAM lParam)
986{
987 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
988
989 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_FIXEDLENGTH)
990 infoPtr->uThumbLen = (UINT)wParam;
991
992 infoPtr->flags |= TB_THUMBSIZECHANGED;
993
994 InvalidateRect (hwnd, NULL, FALSE);
995
996 return 0;
997}
998
999
1000static LRESULT
1001TRACKBAR_SetTic (HWND hwnd, WPARAM wParam, LPARAM lParam)
1002{
1003 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1004 INT nPos = (INT)lParam;
1005
1006 if ((nPos < infoPtr->nRangeMin) || (nPos> infoPtr->nRangeMax))
1007 return FALSE;
1008
1009 infoPtr->uNumTics++;
1010 infoPtr->tics=COMCTL32_ReAlloc( infoPtr->tics,
1011 (infoPtr->uNumTics)*sizeof (DWORD));
1012 infoPtr->tics[infoPtr->uNumTics-1]=nPos;
1013
1014 InvalidateRect (hwnd, NULL, FALSE);
1015
1016 return TRUE;
1017}
1018
1019
1020static LRESULT
1021TRACKBAR_SetTipSide (HWND hwnd, WPARAM wParam, LPARAM lParam)
1022{
1023 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1024 INT fTemp = infoPtr->fLocation;
1025
1026 infoPtr->fLocation = (INT)wParam;
1027
1028 return fTemp;
1029}
1030
1031
1032static LRESULT
1033TRACKBAR_SetToolTips (HWND hwnd, WPARAM wParam, LPARAM lParam)
1034{
1035 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1036
1037 infoPtr->hwndToolTip = (HWND)wParam;
1038
1039 return 0;
1040}
1041
1042
1043/* case TBM_SETUNICODEFORMAT: */
1044
1045
1046static LRESULT
1047TRACKBAR_InitializeThumb (HWND hwnd)
1048{
1049 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1050
1051 infoPtr->uThumbLen = 23; /* initial thumb length */
1052
1053 TRACKBAR_CalcChannel (hwnd,infoPtr);
1054 TRACKBAR_CalcThumb (hwnd, infoPtr);
1055 infoPtr->flags &= ~TB_SELECTIONCHANGED;
1056
1057 return 0;
1058}
1059
1060
1061static LRESULT
1062TRACKBAR_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1063{
1064 TRACKBAR_INFO *infoPtr;
1065
1066 infoPtr = (TRACKBAR_INFO *)COMCTL32_Alloc (sizeof(TRACKBAR_INFO));
1067 SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
1068
1069 /* set default values */
1070 infoPtr->nRangeMin = 0;
1071 infoPtr->nRangeMax = 100;
1072 infoPtr->nLineSize = 1;
1073 infoPtr->nPageSize = 20;
1074 infoPtr->nSelMin = 0;
1075 infoPtr->nSelMax = 0;
1076 infoPtr->nPos = 0;
1077
1078 infoPtr->uNumTics = 0; /* start and end tic are not included in count*/
1079 infoPtr->uTicFreq = 1;
1080 infoPtr->tics = NULL;
1081 infoPtr->clrBk = GetSysColor (COLOR_BACKGROUND);
1082 infoPtr->hwndNotify = GetParent (hwnd);
1083
1084 TRACKBAR_InitializeThumb (hwnd);
1085
1086 /* Create tooltip control */
1087 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_TOOLTIPS) {
1088 TTTOOLINFOA ti;
1089
1090 infoPtr->hwndToolTip =
1091 CreateWindowExA (0, TOOLTIPS_CLASSA, NULL, 0,
1092 CW_USEDEFAULT, CW_USEDEFAULT,
1093 CW_USEDEFAULT, CW_USEDEFAULT,
1094 hwnd, 0, 0, 0);
1095
1096 /* Send NM_TOOLTIPSCREATED notification */
1097 if (infoPtr->hwndToolTip) {
1098 NMTOOLTIPSCREATED nmttc;
1099
1100 nmttc.hdr.hwndFrom = hwnd;
1101 nmttc.hdr.idFrom = GetWindowLongA (hwnd, GWL_ID);
1102 nmttc.hdr.code = NM_TOOLTIPSCREATED;
1103 nmttc.hwndToolTips = infoPtr->hwndToolTip;
1104
1105 SendMessageA (GetParent (hwnd), WM_NOTIFY,
1106 (WPARAM)nmttc.hdr.idFrom, (LPARAM)&nmttc);
1107 }
1108
1109 ZeroMemory (&ti, sizeof(TTTOOLINFOA));
1110 ti.cbSize = sizeof(TTTOOLINFOA);
1111 ti.uFlags = TTF_IDISHWND | TTF_TRACK;
1112 ti.hwnd = hwnd;
1113 ti.uId = 0;
1114 ti.lpszText = "Test"; /* LPSTR_TEXTCALLBACK */
1115 SetRectEmpty (&ti.rect);
1116
1117 SendMessageA (infoPtr->hwndToolTip, TTM_ADDTOOLA, 0, (LPARAM)&ti);
1118 }
1119
1120 return 0;
1121}
1122
1123
1124static LRESULT
1125TRACKBAR_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1126{
1127 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1128
1129 /* delete tooltip control */
1130 if (infoPtr->hwndToolTip)
1131 DestroyWindow (infoPtr->hwndToolTip);
1132
1133 COMCTL32_Free (infoPtr);
1134 return 0;
1135}
1136
1137
1138static LRESULT
1139TRACKBAR_KillFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
1140{
1141 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1142
1143// TRACE (trackbar,"\n");
1144
1145 infoPtr->bFocus = FALSE;
1146 infoPtr->flags &= ~TB_DRAG_MODE;
1147
1148 InvalidateRect (hwnd, NULL, FALSE);
1149
1150 return 0;
1151}
1152
1153
1154static LRESULT
1155TRACKBAR_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1156{
1157 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1158 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1159 int clickPlace,prevPos,vertical;
1160 DOUBLE clickPos;
1161
1162 SetFocus (hwnd);
1163
1164 vertical = dwStyle & TBS_VERT;
1165 if (vertical)
1166 clickPlace=(INT)HIWORD(lParam);
1167 else
1168 clickPlace=(INT)LOWORD(lParam);
1169
1170 if ((vertical &&
1171 (clickPlace>infoPtr->rcThumb.top) &&
1172 (clickPlace<infoPtr->rcThumb.bottom)) ||
1173 (!vertical &&
1174 (clickPlace>infoPtr->rcThumb.left) &&
1175 (clickPlace<infoPtr->rcThumb.right))) {
1176 infoPtr->flags |= TB_DRAG_MODE;
1177 if (dwStyle & TBS_TOOLTIPS) { /* enable tooltip */
1178 TTTOOLINFOA ti;
1179 POINT pt;
1180
1181 GetCursorPos (&pt);
1182 SendMessageA (infoPtr->hwndToolTip, TTM_TRACKPOSITION, 0,
1183 (LPARAM)MAKELPARAM(pt.x, pt.y));
1184
1185 ti.cbSize = sizeof(TTTOOLINFOA);
1186 ti.uId = 0;
1187 ti.hwnd = (UINT)hwnd;
1188
1189 infoPtr->flags |= TB_SHOW_TOOLTIP;
1190 SetCapture (hwnd);
1191 SendMessageA (infoPtr->hwndToolTip, TTM_TRACKACTIVATE,
1192 (WPARAM)TRUE, (LPARAM)&ti);
1193 }
1194 return 0;
1195 }
1196
1197 clickPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace, vertical);
1198 prevPos = infoPtr->nPos;
1199
1200 if (clickPos > prevPos) { /* similar to VK_NEXT */
1201 infoPtr->nPos += infoPtr->nPageSize;
1202 if (infoPtr->nPos > infoPtr->nRangeMax)
1203 infoPtr->nPos = infoPtr->nRangeMax;
1204 TRACKBAR_SendNotify (hwnd, TB_PAGEUP);
1205 } else {
1206 infoPtr->nPos -= infoPtr->nPageSize; /* similar to VK_PRIOR */
1207 if (infoPtr->nPos < infoPtr->nRangeMin)
1208 infoPtr->nPos = infoPtr->nRangeMin;
1209 TRACKBAR_SendNotify (hwnd, TB_PAGEDOWN);
1210 }
1211
1212 if (prevPos!=infoPtr->nPos) {
1213 infoPtr->flags |= TB_THUMBPOSCHANGED;
1214 InvalidateRect (hwnd, NULL, FALSE);
1215 }
1216
1217 return 0;
1218}
1219
1220
1221static LRESULT
1222TRACKBAR_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
1223{
1224 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1225
1226 TRACKBAR_SendNotify (hwnd, TB_ENDTRACK);
1227
1228 if (infoPtr->flags & TB_DRAG_MODE)
1229 {
1230 infoPtr->flags &= ~TB_DRAG_MODE;
1231 ReleaseCapture ();
1232 }
1233
1234 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_TOOLTIPS) { /* disable tooltip */
1235 TTTOOLINFOA ti;
1236
1237 ti.cbSize = sizeof(TTTOOLINFOA);
1238 ti.uId = 0;
1239 ti.hwnd = (UINT)hwnd;
1240
1241 infoPtr->flags &= ~TB_SHOW_TOOLTIP;
1242 SendMessageA (infoPtr->hwndToolTip, TTM_TRACKACTIVATE,
1243 (WPARAM)FALSE, (LPARAM)&ti);
1244 }
1245
1246 InvalidateRect (hwnd, NULL, FALSE);
1247
1248 return 0;
1249}
1250
1251
1252static LRESULT
1253TRACKBAR_CaptureChanged (HWND hwnd, WPARAM wParam, LPARAM lParam)
1254{
1255 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1256
1257 if (infoPtr->flags & TB_DRAGPOSVALID) {
1258 infoPtr->nPos=infoPtr->dragPos;
1259 InvalidateRect (hwnd, NULL, FALSE);
1260 }
1261
1262 infoPtr->flags &= ~ TB_DRAGPOSVALID;
1263
1264 TRACKBAR_SendNotify (hwnd, TB_ENDTRACK);
1265 return 0;
1266}
1267
1268
1269static LRESULT
1270TRACKBAR_Paint (HWND hwnd, WPARAM wParam)
1271{
1272 HDC hdc;
1273 PAINTSTRUCT ps;
1274
1275 hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
1276 TRACKBAR_Refresh (hwnd, hdc);
1277 if(!wParam)
1278 EndPaint (hwnd, &ps);
1279 return 0;
1280}
1281
1282
1283static LRESULT
1284TRACKBAR_SetFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
1285{
1286 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1287
1288// TRACE (trackbar,"\n");
1289 infoPtr->bFocus = TRUE;
1290
1291 InvalidateRect (hwnd, NULL, FALSE);
1292
1293 return 0;
1294}
1295
1296
1297static LRESULT
1298TRACKBAR_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
1299{
1300 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1301
1302 TRACKBAR_CalcChannel (hwnd, infoPtr);
1303 TRACKBAR_AlignBuddies (hwnd, infoPtr);
1304
1305 return 0;
1306}
1307
1308
1309static BOOL
1310TRACKBAR_SendNotify (HWND hwnd, UINT code)
1311{
1312// TRACE (trackbar, "%x\n",code);
1313
1314 if (GetWindowLongA (hwnd, GWL_STYLE) & TBS_VERT)
1315 return (BOOL) SendMessageA (GetParent (hwnd),
1316 WM_VSCROLL, (WPARAM)code, (LPARAM)hwnd);
1317
1318 return (BOOL) SendMessageA (GetParent (hwnd),
1319 WM_HSCROLL, (WPARAM)code, (LPARAM)hwnd);
1320}
1321
1322
1323static LRESULT
1324TRACKBAR_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
1325{
1326 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1327 DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1328 SHORT clickPlace;
1329 DOUBLE dragPos;
1330 char buf[80];
1331
1332// TRACE (trackbar, "%x\n",wParam);
1333
1334 if (dwStyle & TBS_VERT)
1335 clickPlace=(SHORT)HIWORD(lParam);
1336 else
1337 clickPlace=(SHORT)LOWORD(lParam);
1338
1339 if (!(infoPtr->flags & TB_DRAG_MODE))
1340 return TRUE;
1341
1342 SetCapture (hwnd);
1343 dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace,
1344 dwStyle & TBS_VERT);
1345 if (dragPos > ((INT)dragPos) + 0.5)
1346 infoPtr->dragPos = dragPos + 1;
1347 else
1348 infoPtr->dragPos = dragPos;
1349
1350 infoPtr->flags |= TB_DRAGPOSVALID;
1351 TRACKBAR_SendNotify (hwnd, TB_THUMBTRACK | (infoPtr->nPos>>16));
1352
1353 if (infoPtr->flags & TB_SHOW_TOOLTIP) {
1354 POINT pt;
1355 TTTOOLINFOA ti;
1356
1357 ti.cbSize = sizeof(TTTOOLINFOA);
1358 ti.hwnd = hwnd;
1359 ti.uId = 0;
1360 ti.hinst=0;
1361 sprintf (buf,"%d",infoPtr->nPos);
1362 ti.lpszText = (LPSTR) buf;
1363 GetCursorPos (&pt);
1364
1365 if (dwStyle & TBS_VERT) {
1366 SendMessageA (infoPtr->hwndToolTip, TTM_TRACKPOSITION,
1367 0, (LPARAM)MAKELPARAM(pt.x+5, pt.y+15));
1368 } else {
1369 SendMessageA (infoPtr->hwndToolTip, TTM_TRACKPOSITION,
1370 0, (LPARAM)MAKELPARAM(pt.x+15, pt.y+5));
1371 }
1372 SendMessageA (infoPtr->hwndToolTip, TTM_UPDATETIPTEXTA,
1373 0, (LPARAM)&ti);
1374 }
1375
1376 InvalidateRect (hwnd, NULL, FALSE);
1377 UpdateWindow (hwnd);
1378
1379 return TRUE;
1380}
1381
1382
1383static LRESULT
1384TRACKBAR_KeyDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
1385{
1386 TRACKBAR_INFO *infoPtr = TRACKBAR_GetInfoPtr (hwnd);
1387 INT pos;
1388
1389// TRACE (trackbar, "%x\n",wParam);
1390
1391 pos=infoPtr->nPos;
1392 switch (wParam) {
1393 case VK_LEFT:
1394 case VK_UP:
1395 if (infoPtr->nPos == infoPtr->nRangeMin) return FALSE;
1396 infoPtr->nPos -= infoPtr->nLineSize;
1397 if (infoPtr->nPos < infoPtr->nRangeMin)
1398 infoPtr->nPos = infoPtr->nRangeMin;
1399 TRACKBAR_SendNotify (hwnd, TB_LINEUP);
1400 break;
1401 case VK_RIGHT:
1402 case VK_DOWN:
1403 if (infoPtr->nPos == infoPtr->nRangeMax) return FALSE;
1404 infoPtr->nPos += infoPtr->nLineSize;
1405 if (infoPtr->nPos > infoPtr->nRangeMax)
1406 infoPtr->nPos = infoPtr->nRangeMax;
1407 TRACKBAR_SendNotify (hwnd, TB_LINEDOWN);
1408 break;
1409 case VK_NEXT:
1410 if (infoPtr->nPos == infoPtr->nRangeMax) return FALSE;
1411 infoPtr->nPos += infoPtr->nPageSize;
1412 if (infoPtr->nPos > infoPtr->nRangeMax)
1413 infoPtr->nPos = infoPtr->nRangeMax;
1414 TRACKBAR_SendNotify (hwnd, TB_PAGEUP);
1415 break;
1416 case VK_PRIOR:
1417 if (infoPtr->nPos == infoPtr->nRangeMin) return FALSE;
1418 infoPtr->nPos -= infoPtr->nPageSize;
1419 if (infoPtr->nPos < infoPtr->nRangeMin)
1420 infoPtr->nPos = infoPtr->nRangeMin;
1421 TRACKBAR_SendNotify (hwnd, TB_PAGEDOWN);
1422 break;
1423 case VK_HOME:
1424 if (infoPtr->nPos == infoPtr->nRangeMin) return FALSE;
1425 infoPtr->nPos = infoPtr->nRangeMin;
1426 TRACKBAR_SendNotify (hwnd, TB_TOP);
1427 break;
1428 case VK_END:
1429 if (infoPtr->nPos == infoPtr->nRangeMax) return FALSE;
1430 infoPtr->nPos = infoPtr->nRangeMax;
1431 TRACKBAR_SendNotify (hwnd, TB_BOTTOM);
1432 break;
1433 }
1434
1435 if (pos!=infoPtr->nPos) {
1436 infoPtr->flags |=TB_THUMBPOSCHANGED;
1437 InvalidateRect (hwnd, NULL, FALSE);
1438 }
1439
1440 return TRUE;
1441}
1442
1443
1444static LRESULT
1445TRACKBAR_KeyUp (HWND hwnd, WPARAM wParam)
1446{
1447 switch (wParam) {
1448 case VK_LEFT:
1449 case VK_UP:
1450 case VK_RIGHT:
1451 case VK_DOWN:
1452 case VK_NEXT:
1453 case VK_PRIOR:
1454 case VK_HOME:
1455 case VK_END:
1456 TRACKBAR_SendNotify (hwnd, TB_ENDTRACK);
1457 }
1458 return TRUE;
1459}
1460
1461
1462LRESULT WINAPI
1463TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1464{
1465 switch (uMsg)
1466 {
1467 case TBM_CLEARSEL:
1468 return TRACKBAR_ClearSel (hwnd, wParam, lParam);
1469
1470 case TBM_CLEARTICS:
1471 return TRACKBAR_ClearTics (hwnd, wParam, lParam);
1472
1473 case TBM_GETBUDDY:
1474 return TRACKBAR_GetBuddy (hwnd, wParam, lParam);
1475
1476 case TBM_GETCHANNELRECT:
1477 return TRACKBAR_GetChannelRect (hwnd, wParam, lParam);
1478
1479 case TBM_GETLINESIZE:
1480 return TRACKBAR_GetLineSize (hwnd, wParam, lParam);
1481
1482 case TBM_GETNUMTICS:
1483 return TRACKBAR_GetNumTics (hwnd, wParam, lParam);
1484
1485 case TBM_GETPAGESIZE:
1486 return TRACKBAR_GetPageSize (hwnd, wParam, lParam);
1487
1488 case TBM_GETPOS:
1489 return TRACKBAR_GetPos (hwnd, wParam, lParam);
1490
1491 case TBM_GETPTICS:
1492 return TRACKBAR_GetPTics (hwnd);
1493
1494 case TBM_GETRANGEMAX:
1495 return TRACKBAR_GetRangeMax (hwnd, wParam, lParam);
1496
1497 case TBM_GETRANGEMIN:
1498 return TRACKBAR_GetRangeMin (hwnd, wParam, lParam);
1499
1500 case TBM_GETSELEND:
1501 return TRACKBAR_GetSelEnd (hwnd, wParam, lParam);
1502
1503 case TBM_GETSELSTART:
1504 return TRACKBAR_GetSelStart (hwnd, wParam, lParam);
1505
1506 case TBM_GETTHUMBLENGTH:
1507 return TRACKBAR_GetThumbLength (hwnd, wParam, lParam);
1508
1509 case TBM_GETTHUMBRECT:
1510 return TRACKBAR_GetThumbRect (hwnd, wParam, lParam);
1511
1512 case TBM_GETTIC:
1513 return TRACKBAR_GetTic (hwnd, wParam, lParam);
1514
1515 case TBM_GETTICPOS:
1516 return TRACKBAR_GetTicPos (hwnd, wParam, lParam);
1517
1518 case TBM_GETTOOLTIPS:
1519 return TRACKBAR_GetToolTips (hwnd, wParam, lParam);
1520
1521/* case TBM_GETUNICODEFORMAT: */
1522
1523 case TBM_SETBUDDY:
1524 return TRACKBAR_SetBuddy (hwnd, wParam, lParam);
1525
1526 case TBM_SETLINESIZE:
1527 return TRACKBAR_SetLineSize (hwnd, wParam, lParam);
1528
1529 case TBM_SETPAGESIZE:
1530 return TRACKBAR_SetPageSize (hwnd, wParam, lParam);
1531
1532 case TBM_SETPOS:
1533 return TRACKBAR_SetPos (hwnd, wParam, lParam);
1534
1535 case TBM_SETRANGE:
1536 return TRACKBAR_SetRange (hwnd, wParam, lParam);
1537
1538 case TBM_SETRANGEMAX:
1539 return TRACKBAR_SetRangeMax (hwnd, wParam, lParam);
1540
1541 case TBM_SETRANGEMIN:
1542 return TRACKBAR_SetRangeMin (hwnd, wParam, lParam);
1543
1544 case TBM_SETSEL:
1545 return TRACKBAR_SetSel (hwnd, wParam, lParam);
1546
1547 case TBM_SETSELEND:
1548 return TRACKBAR_SetSelEnd (hwnd, wParam, lParam);
1549
1550 case TBM_SETSELSTART:
1551 return TRACKBAR_SetSelStart (hwnd, wParam, lParam);
1552
1553 case TBM_SETTHUMBLENGTH:
1554 return TRACKBAR_SetThumbLength (hwnd, wParam, lParam);
1555
1556 case TBM_SETTIC:
1557 return TRACKBAR_SetTic (hwnd, wParam, lParam);
1558
1559 case TBM_SETTICFREQ:
1560 return TRACKBAR_SetTicFreq (hwnd, wParam);
1561
1562 case TBM_SETTIPSIDE:
1563 return TRACKBAR_SetTipSide (hwnd, wParam, lParam);
1564
1565 case TBM_SETTOOLTIPS:
1566 return TRACKBAR_SetToolTips (hwnd, wParam, lParam);
1567
1568/* case TBM_SETUNICODEFORMAT: */
1569
1570
1571 case WM_CAPTURECHANGED:
1572 return TRACKBAR_CaptureChanged (hwnd, wParam, lParam);
1573
1574 case WM_CREATE:
1575 return TRACKBAR_Create (hwnd, wParam, lParam);
1576
1577 case WM_DESTROY:
1578 return TRACKBAR_Destroy (hwnd, wParam, lParam);
1579
1580/* case WM_ENABLE: */
1581
1582/* case WM_ERASEBKGND: */
1583/* return 0; */
1584
1585 case WM_GETDLGCODE:
1586 return DLGC_WANTARROWS;
1587
1588 case WM_KEYDOWN:
1589 return TRACKBAR_KeyDown (hwnd, wParam, lParam);
1590
1591 case WM_KEYUP:
1592 return TRACKBAR_KeyUp (hwnd, wParam);
1593
1594 case WM_KILLFOCUS:
1595 return TRACKBAR_KillFocus (hwnd, wParam, lParam);
1596
1597 case WM_LBUTTONDOWN:
1598 return TRACKBAR_LButtonDown (hwnd, wParam, lParam);
1599
1600 case WM_LBUTTONUP:
1601 return TRACKBAR_LButtonUp (hwnd, wParam, lParam);
1602
1603 case WM_MOUSEMOVE:
1604 return TRACKBAR_MouseMove (hwnd, wParam, lParam);
1605
1606 case WM_PAINT:
1607 return TRACKBAR_Paint (hwnd, wParam);
1608
1609 case WM_SETFOCUS:
1610 return TRACKBAR_SetFocus (hwnd, wParam, lParam);
1611
1612 case WM_SIZE:
1613 return TRACKBAR_Size (hwnd, wParam, lParam);
1614
1615 case WM_WININICHANGE:
1616 return TRACKBAR_InitializeThumb (hwnd);
1617
1618 default:
1619 if (uMsg >= WM_USER)
1620// ERR (trackbar, "unknown msg %04x wp=%08x lp=%08lx\n",
1621// uMsg, wParam, lParam);
1622 return DefWindowProcA (hwnd, uMsg, wParam, lParam);
1623 }
1624 return 0;
1625}
1626
1627
1628VOID
1629TRACKBAR_Register (VOID)
1630{
1631 WNDCLASSA wndClass;
1632
1633 if (GlobalFindAtomA (TRACKBAR_CLASSA)) return;
1634
1635 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1636 wndClass.style = CS_GLOBALCLASS;
1637 wndClass.lpfnWndProc = (WNDPROC)TRACKBAR_WindowProc;
1638 wndClass.cbClsExtra = 0;
1639 wndClass.cbWndExtra = sizeof(TRACKBAR_INFO *);
1640 wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
1641 wndClass.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
1642 wndClass.lpszClassName = TRACKBAR_CLASSA;
1643
1644 RegisterClassA (&wndClass);
1645}
1646
1647
1648VOID
1649TRACKBAR_Unregister (VOID)
1650{
1651 if (GlobalFindAtomA (TRACKBAR_CLASSA))
1652 UnregisterClassA (TRACKBAR_CLASSA, (HINSTANCE)NULL);
1653}
1654
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