4 * Copyright 1998, 1999 Eric Kohl
5 * Copyright 1998, 1999 Alex Priem
6 * Copyright 2002 Dimitrie O. Paun
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.
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.
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
24 * This code was audited for completeness against the documented features
25 * of Comctl32.dll version 6.0 on Sep. 12, 2002, by Dimitrie O. Paun.
27 * Unless otherwise noted, we believe this code to be complete, as per
28 * the specification mentioned above.
29 * If you discover missing features, or bugs, please note them below.
46 #include "wine/debug.h"
50 WINE_DEFAULT_DEBUG_CHANNEL(trackbar);
80 #define TB_REFRESH_TIMER 1
81 #define TB_REFRESH_DELAY 500
83 #define TOOLTIP_OFFSET 2 /* distance from ctrl edge to tooltip */
85 #define TB_DEFAULTPAGESIZE 20
87 /* Used by TRACKBAR_Refresh to find out which parts of the control
88 need to be recalculated */
90 #define TB_THUMBPOSCHANGED 1
91 #define TB_THUMBSIZECHANGED 2
92 #define TB_THUMBCHANGED (TB_THUMBPOSCHANGED | TB_THUMBSIZECHANGED)
93 #define TB_SELECTIONCHANGED 4
94 #define TB_DRAG_MODE 8 /* we're dragging the slider */
95 #define TB_AUTO_PAGE_LEFT 16
96 #define TB_AUTO_PAGE_RIGHT 32
97 #define TB_AUTO_PAGE (TB_AUTO_PAGE_LEFT | TB_AUTO_PAGE_RIGHT)
98 #define TB_THUMB_HOT 64 /* mouse hovers above thumb */
100 /* helper defines for TRACKBAR_DrawTic */
101 #define TIC_EDGE 0x20
102 #define TIC_SELECTIONMARKMAX 0x80
103 #define TIC_SELECTIONMARKMIN 0x100
104 #define TIC_SELECTIONMARK (TIC_SELECTIONMARKMAX | TIC_SELECTIONMARKMIN)
106 static const WCHAR themeClass[] = { 'T','r','a','c','k','b','a','r',0 };
109 notify_customdraw (const TRACKBAR_INFO *infoPtr, NMCUSTOMDRAW *pnmcd, int stage)
111 pnmcd->dwDrawStage = stage;
112 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
113 pnmcd->hdr.idFrom, (LPARAM)pnmcd);
116 static LRESULT notify_hdr (const TRACKBAR_INFO *infoPtr, INT code, LPNMHDR pnmh)
120 TRACE("(code=%d)\n", code);
122 pnmh->hwndFrom = infoPtr->hwndSelf;
123 pnmh->idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
125 result = SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, pnmh->idFrom, (LPARAM)pnmh);
127 TRACE(" <= %ld\n", result);
132 static inline int notify (const TRACKBAR_INFO *infoPtr, INT code)
135 return notify_hdr(infoPtr, code, &nmh);
139 notify_with_scroll (const TRACKBAR_INFO *infoPtr, UINT code)
141 BOOL bVert = infoPtr->dwStyle & TBS_VERT;
145 return (BOOL) SendMessageW (infoPtr->hwndNotify,
146 bVert ? WM_VSCROLL : WM_HSCROLL,
147 (WPARAM)code, (LPARAM)infoPtr->hwndSelf);
150 static void TRACKBAR_RecalculateTics (TRACKBAR_INFO *infoPtr)
155 if (infoPtr->uTicFreq && infoPtr->lRangeMax >= infoPtr->lRangeMin) {
156 nrTics=(infoPtr->lRangeMax - infoPtr->lRangeMin)/infoPtr->uTicFreq;
157 /* don't add extra tic if there's no remainder */
158 if ((infoPtr->lRangeMax - infoPtr->lRangeMin) % infoPtr->uTicFreq == 0)
162 Free (infoPtr->tics);
163 infoPtr->tics = NULL;
164 infoPtr->uNumTics = 0;
168 if (nrTics != infoPtr->uNumTics) {
169 infoPtr->tics=ReAlloc (infoPtr->tics,
170 (nrTics+1)*sizeof (DWORD));
171 if (!infoPtr->tics) {
172 infoPtr->uNumTics = 0;
173 notify(infoPtr, NM_OUTOFMEMORY);
176 infoPtr->uNumTics = nrTics;
179 tic = infoPtr->lRangeMin + infoPtr->uTicFreq;
180 for (i = 0; i < nrTics; i++, tic += infoPtr->uTicFreq)
181 infoPtr->tics[i] = tic;
184 /* converts from physical (mouse) position to logical position
185 (in range of trackbar) */
188 TRACKBAR_ConvertPlaceToPosition (const TRACKBAR_INFO *infoPtr, int place)
190 double range, width, pos, offsetthumb;
192 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
193 if (infoPtr->dwStyle & TBS_VERT) {
194 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
195 width = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - (offsetthumb * 2) - 1;
196 pos = (range*(place - infoPtr->rcChannel.top - offsetthumb)) / width;
198 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
199 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - (offsetthumb * 2) - 1;
200 pos = (range*(place - infoPtr->rcChannel.left - offsetthumb)) / width;
202 pos += infoPtr->lRangeMin;
203 if (pos > infoPtr->lRangeMax)
204 pos = infoPtr->lRangeMax;
205 else if (pos < infoPtr->lRangeMin)
206 pos = infoPtr->lRangeMin;
208 TRACE("%.2f\n", pos);
209 return (LONG)(pos + 0.5);
213 /* return: 0> prev, 0 none, >0 next */
215 TRACKBAR_GetAutoPageDirection (const TRACKBAR_INFO *infoPtr, POINT clickPoint)
219 if (infoPtr->dwStyle & TBS_VERT) {
220 pageRect.top = infoPtr->rcChannel.top;
221 pageRect.bottom = infoPtr->rcChannel.bottom;
222 pageRect.left = infoPtr->rcThumb.left;
223 pageRect.right = infoPtr->rcThumb.right;
225 pageRect.top = infoPtr->rcThumb.top;
226 pageRect.bottom = infoPtr->rcThumb.bottom;
227 pageRect.left = infoPtr->rcChannel.left;
228 pageRect.right = infoPtr->rcChannel.right;
232 if (PtInRect(&pageRect, clickPoint))
234 int clickPlace = (infoPtr->dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x;
236 LONG clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace);
238 return clickPos - infoPtr->lPos;
245 TRACKBAR_PageDown (TRACKBAR_INFO *infoPtr)
247 if (infoPtr->lPos == infoPtr->lRangeMax) return;
249 infoPtr->lPos += infoPtr->lPageSize;
250 if (infoPtr->lPos > infoPtr->lRangeMax)
251 infoPtr->lPos = infoPtr->lRangeMax;
252 notify_with_scroll (infoPtr, TB_PAGEDOWN);
257 TRACKBAR_PageUp (TRACKBAR_INFO *infoPtr)
259 if (infoPtr->lPos == infoPtr->lRangeMin) return;
261 infoPtr->lPos -= infoPtr->lPageSize;
262 if (infoPtr->lPos < infoPtr->lRangeMin)
263 infoPtr->lPos = infoPtr->lRangeMin;
264 notify_with_scroll (infoPtr, TB_PAGEUP);
267 static inline void TRACKBAR_LineUp(TRACKBAR_INFO *infoPtr)
269 if (infoPtr->lPos == infoPtr->lRangeMin) return;
270 infoPtr->lPos -= infoPtr->lLineSize;
271 if (infoPtr->lPos < infoPtr->lRangeMin)
272 infoPtr->lPos = infoPtr->lRangeMin;
273 notify_with_scroll (infoPtr, TB_LINEUP);
276 static inline void TRACKBAR_LineDown(TRACKBAR_INFO *infoPtr)
278 if (infoPtr->lPos == infoPtr->lRangeMax) return;
279 infoPtr->lPos += infoPtr->lLineSize;
280 if (infoPtr->lPos > infoPtr->lRangeMax)
281 infoPtr->lPos = infoPtr->lRangeMax;
282 notify_with_scroll (infoPtr, TB_LINEDOWN);
286 TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
288 INT cyChannel, offsetthumb, offsetedge;
289 RECT lpRect, *channel = & infoPtr->rcChannel;
291 GetClientRect (infoPtr->hwndSelf, &lpRect);
293 offsetthumb = infoPtr->uThumbLen / 4;
294 offsetedge = offsetthumb + 3;
295 cyChannel = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4;
296 if (infoPtr->dwStyle & TBS_VERT) {
297 channel->top = lpRect.top + offsetedge;
298 channel->bottom = lpRect.bottom - offsetedge;
299 if (infoPtr->dwStyle & TBS_ENABLESELRANGE)
300 channel->left = lpRect.left + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
302 channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1;
303 if (infoPtr->dwStyle & TBS_BOTH) {
304 if (infoPtr->dwStyle & TBS_NOTICKS)
309 else if (infoPtr->dwStyle & TBS_TOP) {
310 if (infoPtr->dwStyle & TBS_NOTICKS)
315 channel->right = channel->left + cyChannel;
317 channel->left = lpRect.left + offsetedge;
318 channel->right = lpRect.right - offsetedge;
319 if (infoPtr->dwStyle & TBS_ENABLESELRANGE)
320 channel->top = lpRect.top + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
322 channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1;
323 if (infoPtr->dwStyle & TBS_BOTH) {
324 if (infoPtr->dwStyle & TBS_NOTICKS)
329 else if (infoPtr->dwStyle & TBS_TOP) {
330 if (infoPtr->dwStyle & TBS_NOTICKS)
335 channel->bottom = channel->top + cyChannel;
340 TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
342 int range, width, height, thumbwidth;
345 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
346 thumbwidth = (infoPtr->uThumbLen / 2) | 1;
348 if (!range) range = 1;
350 GetClientRect(infoPtr->hwndSelf, &lpRect);
351 if (infoPtr->dwStyle & TBS_VERT)
353 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth;
355 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_LEFT)) && !(infoPtr->dwStyle & TBS_NOTICKS))
359 thumb->right = thumb->left + infoPtr->uThumbLen;
360 thumb->top = infoPtr->rcChannel.top +
361 (height*(lPos - infoPtr->lRangeMin))/range;
362 thumb->bottom = thumb->top + thumbwidth;
366 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - thumbwidth;
368 thumb->left = infoPtr->rcChannel.left +
369 (width*(lPos - infoPtr->lRangeMin))/range;
370 thumb->right = thumb->left + thumbwidth;
371 if ((infoPtr->dwStyle & (TBS_BOTH | TBS_TOP)) && !(infoPtr->dwStyle & TBS_NOTICKS))
375 thumb->bottom = thumb->top + infoPtr->uThumbLen;
380 TRACKBAR_UpdateThumb (TRACKBAR_INFO *infoPtr)
382 TRACKBAR_CalcThumb(infoPtr, infoPtr->lPos, &infoPtr->rcThumb);
386 TRACKBAR_InvalidateAll (const TRACKBAR_INFO *infoPtr)
388 InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
392 TRACKBAR_InvalidateThumb (const TRACKBAR_INFO *infoPtr, LONG thumbPos)
396 TRACKBAR_CalcThumb(infoPtr, thumbPos, &rcThumb);
397 InflateRect(&rcThumb, 1, 1);
398 InvalidateRect(infoPtr->hwndSelf, &rcThumb, FALSE);
402 TRACKBAR_InvalidateThumbMove (const TRACKBAR_INFO *infoPtr, LONG oldPos, LONG newPos)
404 TRACKBAR_InvalidateThumb (infoPtr, oldPos);
405 if (newPos != oldPos)
406 TRACKBAR_InvalidateThumb (infoPtr, newPos);
410 TRACKBAR_HasSelection (const TRACKBAR_INFO *infoPtr)
412 return infoPtr->lSelMin != infoPtr->lSelMax;
416 TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr)
418 RECT *selection = &infoPtr->rcSelection;
419 int range = infoPtr->lRangeMax - infoPtr->lRangeMin;
420 int offsetthumb, height, width;
423 SetRectEmpty (selection);
425 if (infoPtr->dwStyle & TBS_VERT) {
426 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
427 height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - offsetthumb*2;
428 selection->top = infoPtr->rcChannel.top + offsetthumb +
429 (height*infoPtr->lSelMin)/range;
430 selection->bottom = infoPtr->rcChannel.top + offsetthumb +
431 (height*infoPtr->lSelMax)/range;
432 selection->left = infoPtr->rcChannel.left + 3;
433 selection->right = infoPtr->rcChannel.right - 3;
435 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
436 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2;
437 selection->left = infoPtr->rcChannel.left + offsetthumb +
438 (width*infoPtr->lSelMin)/range;
439 selection->right = infoPtr->rcChannel.left + offsetthumb +
440 (width*infoPtr->lSelMax)/range;
441 selection->top = infoPtr->rcChannel.top + 3;
442 selection->bottom = infoPtr->rcChannel.bottom - 3;
446 TRACE("selection[%s]\n", wine_dbgstr_rect(selection));
450 TRACKBAR_AutoPage (TRACKBAR_INFO *infoPtr, POINT clickPoint)
452 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint);
453 LONG prevPos = infoPtr->lPos;
455 TRACE("x=%d, y=%d, dir=%d\n", clickPoint.x, clickPoint.y, dir);
457 if (dir > 0 && (infoPtr->flags & TB_AUTO_PAGE_RIGHT))
458 TRACKBAR_PageDown(infoPtr);
459 else if (dir < 0 && (infoPtr->flags & TB_AUTO_PAGE_LEFT))
460 TRACKBAR_PageUp(infoPtr);
463 infoPtr->flags |= TB_THUMBPOSCHANGED;
464 TRACKBAR_InvalidateThumbMove (infoPtr, prevPos, infoPtr->lPos);
469 /* Trackbar drawing code. I like my spaghetti done milanese. */
472 TRACKBAR_DrawChannel (const TRACKBAR_INFO *infoPtr, HDC hdc)
474 RECT rcChannel = infoPtr->rcChannel;
475 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
479 DrawThemeBackground (theme, hdc,
480 (infoPtr->dwStyle & TBS_VERT) ?
481 TKP_TRACKVERT : TKP_TRACK, TKS_NORMAL, &rcChannel, 0);
485 DrawEdge (hdc, &rcChannel, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
486 if (infoPtr->dwStyle & TBS_ENABLESELRANGE) { /* fill the channel */
487 FillRect (hdc, &rcChannel, GetStockObject(WHITE_BRUSH));
488 if (TRACKBAR_HasSelection(infoPtr))
489 FillRect (hdc, &infoPtr->rcSelection, GetSysColorBrush(COLOR_HIGHLIGHT));
495 TRACKBAR_DrawOneTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
497 int x, y, ox, oy, range, side, indent = 0, len = 3;
501 if (flags & TBS_VERT) {
502 offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
503 rcTics.left = infoPtr->rcThumb.left - 2;
504 rcTics.right = infoPtr->rcThumb.right + 2;
505 rcTics.top = infoPtr->rcChannel.top + offsetthumb + 1;
506 rcTics.bottom = infoPtr->rcChannel.bottom - offsetthumb;
508 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
509 rcTics.left = infoPtr->rcChannel.left + offsetthumb + 1;
510 rcTics.right = infoPtr->rcChannel.right - offsetthumb;
511 rcTics.top = infoPtr->rcThumb.top - 2;
512 rcTics.bottom = infoPtr->rcThumb.bottom + 2;
515 if (flags & (TBS_TOP | TBS_LEFT)) {
525 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
527 range = 1; /* to avoid division by zero */
529 if (flags & TIC_SELECTIONMARK) {
530 indent = (flags & TIC_SELECTIONMARKMIN) ? -1 : 1;
531 } else if (flags & TIC_EDGE) {
535 if (flags & TBS_VERT) {
536 int height = rcTics.bottom - rcTics.top;
537 y = rcTics.top + (height*(ticPos - infoPtr->lRangeMin))/range;
539 int width = rcTics.right - rcTics.left;
540 x = rcTics.left + (width*(ticPos - infoPtr->lRangeMin))/range;
545 MoveToEx(hdc, x, y, 0);
546 if (flags & TBS_VERT) x += len * side;
547 else y += len * side;
550 if (flags & TIC_SELECTIONMARK) {
551 if (flags & TBS_VERT) {
556 MoveToEx(hdc, x, y, 0);
557 if (flags & TBS_VERT) {
570 TRACKBAR_DrawTic (const TRACKBAR_INFO *infoPtr, HDC hdc, LONG ticPos, int flags)
572 if ((flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH))
573 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags | TBS_LEFT);
575 if (!(flags & (TBS_LEFT | TBS_TOP)) || (flags & TBS_BOTH))
576 TRACKBAR_DrawOneTic (infoPtr, hdc, ticPos, flags & ~TBS_LEFT);
580 TRACKBAR_DrawTics (const TRACKBAR_INFO *infoPtr, HDC hdc)
583 int ticFlags = infoPtr->dwStyle & 0x0f;
584 LOGPEN ticPen = { PS_SOLID, {1, 0}, GetSysColor (COLOR_3DDKSHADOW) };
585 HPEN hOldPen, hTicPen;
586 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
590 int part = (infoPtr->dwStyle & TBS_VERT) ? TKP_TICSVERT : TKP_TICS;
591 GetThemeColor (theme, part, TSS_NORMAL, TMT_COLOR, &ticPen.lopnColor);
593 /* create the pen to draw the tics with */
594 hTicPen = CreatePenIndirect(&ticPen);
595 hOldPen = hTicPen ? SelectObject(hdc, hTicPen) : 0;
597 /* actually draw the tics */
598 for (i=0; i<infoPtr->uNumTics; i++)
599 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->tics[i], ticFlags);
601 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMin, ticFlags | TIC_EDGE);
602 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lRangeMax, ticFlags | TIC_EDGE);
604 if ((infoPtr->dwStyle & TBS_ENABLESELRANGE) && TRACKBAR_HasSelection(infoPtr)) {
605 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMin,
606 ticFlags | TIC_SELECTIONMARKMIN);
607 TRACKBAR_DrawTic (infoPtr, hdc, infoPtr->lSelMax,
608 ticFlags | TIC_SELECTIONMARKMAX);
611 /* clean up the pen, if we created one */
613 SelectObject(hdc, hOldPen);
614 DeleteObject(hTicPen);
619 TRACKBAR_DrawThumb (const TRACKBAR_INFO *infoPtr, HDC hdc)
623 RECT thumb = infoPtr->rcThumb;
629 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
635 if (infoPtr->dwStyle & TBS_BOTH)
636 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBVERT : TKP_THUMB;
637 else if (infoPtr->dwStyle & TBS_LEFT)
638 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBLEFT : TKP_THUMBTOP;
640 partId = (infoPtr->dwStyle & TBS_VERT) ? TKP_THUMBRIGHT : TKP_THUMBBOTTOM;
642 if (infoPtr->dwStyle & WS_DISABLED)
643 stateId = TUS_DISABLED;
644 else if (infoPtr->flags & TB_DRAG_MODE)
645 stateId = TUS_PRESSED;
646 else if (infoPtr->flags & TB_THUMB_HOT)
649 stateId = TUS_NORMAL;
651 DrawThemeBackground (theme, hdc, partId, stateId, &thumb, 0);
656 fillClr = infoPtr->flags & TB_DRAG_MODE ? COLOR_BTNHILIGHT : COLOR_BTNFACE;
657 oldbr = SelectObject (hdc, GetSysColorBrush(fillClr));
658 SetPolyFillMode (hdc, WINDING);
660 if (infoPtr->dwStyle & TBS_BOTH)
662 points[0].x=thumb.right;
663 points[0].y=thumb.top;
664 points[1].x=thumb.right;
665 points[1].y=thumb.bottom;
666 points[2].x=thumb.left;
667 points[2].y=thumb.bottom;
668 points[3].x=thumb.left;
669 points[3].y=thumb.top;
670 points[4].x=points[0].x;
671 points[4].y=points[0].y;
677 if (infoPtr->dwStyle & TBS_VERT)
679 PointDepth = (thumb.bottom - thumb.top) / 2;
680 if (infoPtr->dwStyle & TBS_LEFT)
682 points[0].x=thumb.right;
683 points[0].y=thumb.top;
684 points[1].x=thumb.right;
685 points[1].y=thumb.bottom;
686 points[2].x=thumb.left + PointDepth;
687 points[2].y=thumb.bottom;
688 points[3].x=thumb.left;
689 points[3].y=(thumb.bottom - thumb.top) / 2 + thumb.top + 1;
690 points[4].x=thumb.left + PointDepth;
691 points[4].y=thumb.top;
692 points[5].x=points[0].x;
693 points[5].y=points[0].y;
698 points[0].x=thumb.right;
699 points[0].y=(thumb.bottom - thumb.top) / 2 + thumb.top + 1;
700 points[1].x=thumb.right - PointDepth;
701 points[1].y=thumb.bottom;
702 points[2].x=thumb.left;
703 points[2].y=thumb.bottom;
704 points[3].x=thumb.left;
705 points[3].y=thumb.top;
706 points[4].x=thumb.right - PointDepth;
707 points[4].y=thumb.top;
708 points[5].x=points[0].x;
709 points[5].y=points[0].y;
714 PointDepth = (thumb.right - thumb.left) / 2;
715 if (infoPtr->dwStyle & TBS_TOP)
717 points[0].x=(thumb.right - thumb.left) / 2 + thumb.left + 1;
718 points[0].y=thumb.top;
719 points[1].x=thumb.right;
720 points[1].y=thumb.top + PointDepth;
721 points[2].x=thumb.right;
722 points[2].y=thumb.bottom;
723 points[3].x=thumb.left;
724 points[3].y=thumb.bottom;
725 points[4].x=thumb.left;
726 points[4].y=thumb.top + PointDepth;
727 points[5].x=points[0].x;
728 points[5].y=points[0].y;
733 points[0].x=thumb.right;
734 points[0].y=thumb.top;
735 points[1].x=thumb.right;
736 points[1].y=thumb.bottom - PointDepth;
737 points[2].x=(thumb.right - thumb.left) / 2 + thumb.left + 1;
738 points[2].y=thumb.bottom;
739 points[3].x=thumb.left;
740 points[3].y=thumb.bottom - PointDepth;
741 points[4].x=thumb.left;
742 points[4].y=thumb.top;
743 points[5].x=points[0].x;
744 points[5].y=points[0].y;
750 /* Draw the thumb now */
751 Polygon (hdc, points, PointCount);
752 oldpen = SelectObject(hdc, GetStockObject(BLACK_PEN));
753 Polyline(hdc,points, BlackUntil);
754 SelectObject(hdc, GetStockObject(WHITE_PEN));
755 Polyline(hdc, &points[BlackUntil-1], PointCount+1-BlackUntil);
756 SelectObject(hdc, oldpen);
757 SelectObject(hdc, oldbr);
762 TRACKBAR_ActivateToolTip (const TRACKBAR_INFO *infoPtr, BOOL fShow)
766 if (!infoPtr->hwndToolTip) return;
768 ZeroMemory(&ti, sizeof(ti));
769 ti.cbSize = sizeof(ti);
770 ti.hwnd = infoPtr->hwndSelf;
772 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKACTIVATE, fShow, (LPARAM)&ti);
777 TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr)
780 static const WCHAR fmt[] = { '%', 'l', 'd', 0 };
786 if (!infoPtr->hwndToolTip) return;
788 ZeroMemory(&ti, sizeof(ti));
789 ti.cbSize = sizeof(ti);
790 ti.hwnd = infoPtr->hwndSelf;
791 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE;
793 wsprintfW (buf, fmt, infoPtr->lPos);
795 SendMessageW (infoPtr->hwndToolTip, TTM_UPDATETIPTEXTW, 0, (LPARAM)&ti);
797 GetClientRect (infoPtr->hwndSelf, &rcClient);
798 size = SendMessageW (infoPtr->hwndToolTip, TTM_GETBUBBLESIZE, 0, (LPARAM)&ti);
799 if (infoPtr->dwStyle & TBS_VERT) {
800 if (infoPtr->fLocation == TBTS_LEFT)
801 pt.x = 0 - LOWORD(size) - TOOLTIP_OFFSET;
803 pt.x = rcClient.right + TOOLTIP_OFFSET;
804 pt.y = (infoPtr->rcThumb.top + infoPtr->rcThumb.bottom - HIWORD(size))/2;
806 if (infoPtr->fLocation == TBTS_TOP)
807 pt.y = 0 - HIWORD(size) - TOOLTIP_OFFSET;
809 pt.y = rcClient.bottom + TOOLTIP_OFFSET;
810 pt.x = (infoPtr->rcThumb.left + infoPtr->rcThumb.right - LOWORD(size))/2;
812 ClientToScreen(infoPtr->hwndSelf, &pt);
814 SendMessageW (infoPtr->hwndToolTip, TTM_TRACKPOSITION,
815 0, MAKELPARAM(pt.x, pt.y));
820 TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
824 HBITMAP hOldBmp = 0, hOffScreenBmp = 0;
828 if (infoPtr->flags & TB_THUMBCHANGED) {
829 TRACKBAR_UpdateThumb (infoPtr);
830 if (infoPtr->flags & TB_THUMBSIZECHANGED)
831 TRACKBAR_CalcChannel (infoPtr);
833 if (infoPtr->flags & TB_SELECTIONCHANGED)
834 TRACKBAR_CalcSelection (infoPtr);
836 if (infoPtr->flags & TB_DRAG_MODE)
837 TRACKBAR_UpdateToolTip (infoPtr);
839 infoPtr->flags &= ~ (TB_THUMBCHANGED | TB_SELECTIONCHANGED);
841 GetClientRect (infoPtr->hwndSelf, &rcClient);
843 /* try to render offscreen, if we fail, carrry onscreen */
844 hdc = CreateCompatibleDC(hdcDst);
846 hOffScreenBmp = CreateCompatibleBitmap(hdcDst, rcClient.right, rcClient.bottom);
848 hOldBmp = SelectObject(hdc, hOffScreenBmp);
857 ZeroMemory(&nmcd, sizeof(nmcd));
858 nmcd.hdr.hwndFrom = infoPtr->hwndSelf;
859 nmcd.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_ID);
860 nmcd.hdr.code = NM_CUSTOMDRAW;
863 /* start the paint cycle */
865 gcdrf = notify_customdraw(infoPtr, &nmcd, CDDS_PREPAINT);
866 if (gcdrf & CDRF_SKIPDEFAULT) goto cleanup;
868 /* Erase background */
869 if (gcdrf == CDRF_DODEFAULT ||
870 notify_customdraw(infoPtr, &nmcd, CDDS_PREERASE) != CDRF_SKIPDEFAULT) {
871 if (GetWindowTheme (infoPtr->hwndSelf)) {
872 DrawThemeParentBackground (infoPtr->hwndSelf, hdc, 0);
875 FillRect (hdc, &rcClient, GetSysColorBrush(COLOR_BTNFACE));
876 if (gcdrf != CDRF_DODEFAULT)
877 notify_customdraw(infoPtr, &nmcd, CDDS_POSTERASE);
881 if (gcdrf & CDRF_NOTIFYITEMDRAW) {
882 nmcd.dwItemSpec = TBCD_CHANNEL;
883 nmcd.uItemState = CDIS_DEFAULT;
884 nmcd.rc = infoPtr->rcChannel;
885 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
886 } else icdrf = CDRF_DODEFAULT;
887 if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
888 TRACKBAR_DrawChannel (infoPtr, hdc);
889 if (icdrf & CDRF_NOTIFYPOSTPAINT)
890 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
895 if (!(infoPtr->dwStyle & TBS_NOTICKS)) {
896 if (gcdrf & CDRF_NOTIFYITEMDRAW) {
897 nmcd.dwItemSpec = TBCD_TICS;
898 nmcd.uItemState = CDIS_DEFAULT;
900 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
901 } else icdrf = CDRF_DODEFAULT;
902 if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
903 TRACKBAR_DrawTics (infoPtr, hdc);
904 if (icdrf & CDRF_NOTIFYPOSTPAINT)
905 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
910 if (!(infoPtr->dwStyle & TBS_NOTHUMB)) {
911 if (gcdrf & CDRF_NOTIFYITEMDRAW) {
912 nmcd.dwItemSpec = TBCD_THUMB;
913 nmcd.uItemState = infoPtr->flags & TB_DRAG_MODE ? CDIS_HOT : CDIS_DEFAULT;
914 nmcd.rc = infoPtr->rcThumb;
915 icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
916 } else icdrf = CDRF_DODEFAULT;
917 if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
918 TRACKBAR_DrawThumb(infoPtr, hdc);
919 if (icdrf & CDRF_NOTIFYPOSTPAINT)
920 notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
924 /* draw focus rectangle */
925 if (infoPtr->bFocussed) {
926 DrawFocusRect(hdc, &rcClient);
929 /* finish up the painting */
930 if (gcdrf & CDRF_NOTIFYPOSTPAINT)
931 notify_customdraw(infoPtr, &nmcd, CDDS_POSTPAINT);
934 /* cleanup, if we rendered offscreen */
936 BitBlt(hdcDst, 0, 0, rcClient.right, rcClient.bottom, hdc, 0, 0, SRCCOPY);
937 SelectObject(hdc, hOldBmp);
938 DeleteObject(hOffScreenBmp);
945 TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr)
947 HWND hwndParent = GetParent (infoPtr->hwndSelf);
948 RECT rcSelf, rcBuddy;
951 GetWindowRect (infoPtr->hwndSelf, &rcSelf);
952 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcSelf, 2);
954 /* align buddy left or above */
955 if (infoPtr->hwndBuddyLA) {
956 GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy);
957 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
959 if (infoPtr->dwStyle & TBS_VERT) {
960 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
961 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
962 y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top);
965 x = rcSelf.left - (rcBuddy.right - rcBuddy.left);
966 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
967 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
970 SetWindowPos (infoPtr->hwndBuddyLA, 0, x, y, 0, 0,
971 SWP_NOZORDER | SWP_NOSIZE);
975 /* align buddy right or below */
976 if (infoPtr->hwndBuddyRB) {
977 GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy);
978 MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
980 if (infoPtr->dwStyle & TBS_VERT) {
981 x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
982 (rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
987 y = (infoPtr->rcChannel.bottom + infoPtr->rcChannel.top) / 2 -
988 (rcBuddy.bottom - rcBuddy.top) / 2 + rcSelf.top;
990 SetWindowPos (infoPtr->hwndBuddyRB, 0, x, y, 0, 0,
991 SWP_NOZORDER | SWP_NOSIZE);
997 TRACKBAR_ClearSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw)
999 infoPtr->lSelMin = 0;
1000 infoPtr->lSelMax = 0;
1001 infoPtr->flags |= TB_SELECTIONCHANGED;
1003 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1010 TRACKBAR_ClearTics (TRACKBAR_INFO *infoPtr, BOOL fRedraw)
1012 if (infoPtr->tics) {
1013 Free (infoPtr->tics);
1014 infoPtr->tics = NULL;
1015 infoPtr->uNumTics = 0;
1018 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1024 static inline LRESULT
1025 TRACKBAR_GetChannelRect (const TRACKBAR_INFO *infoPtr, LPRECT lprc)
1027 if (lprc == NULL) return 0;
1029 lprc->left = infoPtr->rcChannel.left;
1030 lprc->right = infoPtr->rcChannel.right;
1031 lprc->bottom = infoPtr->rcChannel.bottom;
1032 lprc->top = infoPtr->rcChannel.top;
1039 TRACKBAR_GetNumTics (const TRACKBAR_INFO *infoPtr)
1041 if (infoPtr->dwStyle & TBS_NOTICKS) return 0;
1043 return infoPtr->uNumTics + 2;
1047 static int comp_tics (const void *ap, const void *bp)
1049 const DWORD a = *(const DWORD *)ap;
1050 const DWORD b = *(const DWORD *)bp;
1052 TRACE("(a=%d, b=%d)\n", a, b);
1053 if (a < b) return -1;
1054 if (a > b) return 1;
1060 TRACKBAR_GetTic (const TRACKBAR_INFO *infoPtr, INT iTic)
1062 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics)
1065 qsort(infoPtr->tics, infoPtr->uNumTics, sizeof(DWORD), comp_tics);
1066 return infoPtr->tics[iTic];
1071 TRACKBAR_GetTicPos (const TRACKBAR_INFO *infoPtr, INT iTic)
1073 LONG range, width, pos, tic;
1076 if ((iTic < 0) || (iTic >= infoPtr->uNumTics) || !infoPtr->tics)
1079 tic = TRACKBAR_GetTic (infoPtr, iTic);
1080 range = infoPtr->lRangeMax - infoPtr->lRangeMin;
1081 if (range <= 0) range = 1;
1082 offsetthumb = (infoPtr->rcThumb.right - infoPtr->rcThumb.left)/2;
1083 width = infoPtr->rcChannel.right - infoPtr->rcChannel.left - offsetthumb*2;
1084 pos = infoPtr->rcChannel.left + offsetthumb + (width * tic) / range;
1091 TRACKBAR_SetBuddy (TRACKBAR_INFO *infoPtr, BOOL fLocation, HWND hwndBuddy)
1096 /* buddy is left or above */
1097 hwndTemp = infoPtr->hwndBuddyLA;
1098 infoPtr->hwndBuddyLA = hwndBuddy;
1101 /* buddy is right or below */
1102 hwndTemp = infoPtr->hwndBuddyRB;
1103 infoPtr->hwndBuddyRB = hwndBuddy;
1106 TRACKBAR_AlignBuddies (infoPtr);
1113 TRACKBAR_SetLineSize (TRACKBAR_INFO *infoPtr, LONG lLineSize)
1115 LONG lTemp = infoPtr->lLineSize;
1117 infoPtr->lLineSize = lLineSize;
1124 TRACKBAR_SetPageSize (TRACKBAR_INFO *infoPtr, LONG lPageSize)
1126 LONG lTemp = infoPtr->lPageSize;
1128 if (lPageSize != -1)
1129 infoPtr->lPageSize = lPageSize;
1131 infoPtr->lPageSize = TB_DEFAULTPAGESIZE;
1137 static inline LRESULT
1138 TRACKBAR_SetPos (TRACKBAR_INFO *infoPtr, BOOL fPosition, LONG lPosition)
1140 LONG oldPos = infoPtr->lPos;
1141 infoPtr->lPos = lPosition;
1143 if (infoPtr->lPos < infoPtr->lRangeMin)
1144 infoPtr->lPos = infoPtr->lRangeMin;
1146 if (infoPtr->lPos > infoPtr->lRangeMax)
1147 infoPtr->lPos = infoPtr->lRangeMax;
1148 infoPtr->flags |= TB_THUMBPOSCHANGED;
1150 if (fPosition && oldPos != lPosition) TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, lPosition);
1156 static inline LRESULT
1157 TRACKBAR_SetRange (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lRange)
1159 infoPtr->lRangeMin = (SHORT)LOWORD(lRange);
1160 infoPtr->lRangeMax = (SHORT)HIWORD(lRange);
1162 if (infoPtr->lPos < infoPtr->lRangeMin) {
1163 infoPtr->lPos = infoPtr->lRangeMin;
1164 infoPtr->flags |= TB_THUMBPOSCHANGED;
1167 if (infoPtr->lPos > infoPtr->lRangeMax) {
1168 infoPtr->lPos = infoPtr->lRangeMax;
1169 infoPtr->flags |= TB_THUMBPOSCHANGED;
1172 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5;
1173 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1;
1175 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1181 static inline LRESULT
1182 TRACKBAR_SetRangeMax (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lMax)
1184 infoPtr->lRangeMax = lMax;
1185 if (infoPtr->lPos > infoPtr->lRangeMax) {
1186 infoPtr->lPos = infoPtr->lRangeMax;
1187 infoPtr->flags |= TB_THUMBPOSCHANGED;
1190 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5;
1191 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1;
1193 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1199 static inline LRESULT
1200 TRACKBAR_SetRangeMin (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lMin)
1202 infoPtr->lRangeMin = lMin;
1203 if (infoPtr->lPos < infoPtr->lRangeMin) {
1204 infoPtr->lPos = infoPtr->lRangeMin;
1205 infoPtr->flags |= TB_THUMBPOSCHANGED;
1208 infoPtr->lPageSize = (infoPtr->lRangeMax - infoPtr->lRangeMin) / 5;
1209 if (infoPtr->lPageSize == 0) infoPtr->lPageSize = 1;
1211 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1217 static inline LRESULT
1218 TRACKBAR_SetSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lSel)
1220 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
1221 infoPtr->lSelMin = 0;
1222 infoPtr->lSelMax = 0;
1226 infoPtr->lSelMin = (SHORT)LOWORD(lSel);
1227 infoPtr->lSelMax = (SHORT)HIWORD(lSel);
1228 infoPtr->flags |= TB_SELECTIONCHANGED;
1230 if (infoPtr->lSelMin < infoPtr->lRangeMin)
1231 infoPtr->lSelMin = infoPtr->lRangeMin;
1232 if (infoPtr->lSelMax > infoPtr->lRangeMax)
1233 infoPtr->lSelMax = infoPtr->lRangeMax;
1235 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1241 static inline LRESULT
1242 TRACKBAR_SetSelEnd (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lEnd)
1244 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
1245 infoPtr->lSelMax = 0;
1249 infoPtr->lSelMax = lEnd;
1250 infoPtr->flags |= TB_SELECTIONCHANGED;
1252 if (infoPtr->lSelMax > infoPtr->lRangeMax)
1253 infoPtr->lSelMax = infoPtr->lRangeMax;
1255 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1261 static inline LRESULT
1262 TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart)
1264 if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
1265 infoPtr->lSelMin = 0;
1269 infoPtr->lSelMin = lStart;
1270 infoPtr->flags |=TB_SELECTIONCHANGED;
1272 if (infoPtr->lSelMin < infoPtr->lRangeMin)
1273 infoPtr->lSelMin = infoPtr->lRangeMin;
1275 if (fRedraw) TRACKBAR_InvalidateAll(infoPtr);
1281 static inline LRESULT
1282 TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength)
1284 if (infoPtr->dwStyle & TBS_FIXEDLENGTH) {
1285 infoPtr->uThumbLen = iLength;
1286 infoPtr->flags |= TB_THUMBSIZECHANGED;
1287 InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
1294 static inline LRESULT
1295 TRACKBAR_SetTic (TRACKBAR_INFO *infoPtr, LONG lPos)
1297 if ((lPos < infoPtr->lRangeMin) || (lPos> infoPtr->lRangeMax))
1300 TRACE("lPos=%d\n", lPos);
1302 infoPtr->uNumTics++;
1303 infoPtr->tics=ReAlloc( infoPtr->tics,
1304 (infoPtr->uNumTics)*sizeof (DWORD));
1305 if (!infoPtr->tics) {
1306 infoPtr->uNumTics = 0;
1307 notify(infoPtr, NM_OUTOFMEMORY);
1310 infoPtr->tics[infoPtr->uNumTics-1] = lPos;
1312 TRACKBAR_InvalidateAll(infoPtr);
1318 static inline LRESULT
1319 TRACKBAR_SetTicFreq (TRACKBAR_INFO *infoPtr, WORD wFreq)
1321 if (infoPtr->dwStyle & TBS_AUTOTICKS) {
1322 infoPtr->uTicFreq = wFreq;
1323 TRACKBAR_RecalculateTics (infoPtr);
1324 TRACKBAR_InvalidateAll(infoPtr);
1332 TRACKBAR_SetTipSide (TRACKBAR_INFO *infoPtr, INT fLocation)
1334 INT fTemp = infoPtr->fLocation;
1336 infoPtr->fLocation = fLocation;
1342 static inline LRESULT
1343 TRACKBAR_SetToolTips (TRACKBAR_INFO *infoPtr, HWND hwndTT)
1345 infoPtr->hwndToolTip = hwndTT;
1352 TRACKBAR_SetUnicodeFormat (TRACKBAR_INFO *infoPtr, BOOL fUnicode)
1354 BOOL bTemp = infoPtr->bUnicode;
1356 infoPtr->bUnicode = fUnicode;
1363 TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr)
1366 int clientWidth, clientMetric;
1368 /* initial thumb length */
1369 clientMetric = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? 23 : 21;
1370 GetClientRect(infoPtr->hwndSelf,&rect);
1371 if (infoPtr->dwStyle & TBS_VERT) {
1372 clientWidth = rect.right - rect.left;
1374 clientWidth = rect.bottom - rect.top;
1376 if (clientWidth >= clientMetric)
1377 infoPtr->uThumbLen = clientMetric;
1379 infoPtr->uThumbLen = clientWidth > 9 ? clientWidth - 6 : 4;
1381 TRACKBAR_CalcChannel (infoPtr);
1382 TRACKBAR_UpdateThumb (infoPtr);
1383 infoPtr->flags &= ~TB_SELECTIONCHANGED;
1390 TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1392 TRACKBAR_INFO *infoPtr;
1394 infoPtr = Alloc (sizeof(TRACKBAR_INFO));
1395 if (!infoPtr) return -1;
1396 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1398 /* set default values */
1399 infoPtr->hwndSelf = hwnd;
1400 infoPtr->dwStyle = lpcs->style;
1401 infoPtr->lRangeMin = 0;
1402 infoPtr->lRangeMax = 100;
1403 infoPtr->lLineSize = 1;
1404 infoPtr->lPageSize = TB_DEFAULTPAGESIZE;
1405 infoPtr->lSelMin = 0;
1406 infoPtr->lSelMax = 0;
1408 infoPtr->fLocation = TBTS_TOP;
1409 infoPtr->uNumTics = 0; /* start and end tic are not included in count*/
1410 infoPtr->uTicFreq = 1;
1411 infoPtr->tics = NULL;
1412 infoPtr->hwndNotify= lpcs->hwndParent;
1414 TRACKBAR_InitializeThumb (infoPtr);
1416 /* Create tooltip control */
1417 if (infoPtr->dwStyle & TBS_TOOLTIPS) {
1419 infoPtr->hwndToolTip =
1420 CreateWindowExW (0, TOOLTIPS_CLASSW, NULL, WS_POPUP,
1421 CW_USEDEFAULT, CW_USEDEFAULT,
1422 CW_USEDEFAULT, CW_USEDEFAULT,
1425 if (infoPtr->hwndToolTip) {
1427 ZeroMemory (&ti, sizeof(ti));
1428 ti.cbSize = sizeof(ti);
1429 ti.uFlags = TTF_IDISHWND | TTF_TRACK | TTF_ABSOLUTE;
1432 SendMessageW (infoPtr->hwndToolTip, TTM_ADDTOOLW, 0, (LPARAM)&ti);
1436 OpenThemeData (hwnd, themeClass);
1443 TRACKBAR_Destroy (TRACKBAR_INFO *infoPtr)
1445 /* delete tooltip control */
1446 if (infoPtr->hwndToolTip)
1447 DestroyWindow (infoPtr->hwndToolTip);
1449 Free (infoPtr->tics);
1450 infoPtr->tics = NULL;
1452 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1453 CloseThemeData (GetWindowTheme (infoPtr->hwndSelf));
1461 TRACKBAR_KillFocus (TRACKBAR_INFO *infoPtr)
1464 infoPtr->bFocussed = FALSE;
1465 TRACKBAR_InvalidateAll(infoPtr);
1471 TRACKBAR_LButtonDown (TRACKBAR_INFO *infoPtr, INT x, INT y)
1478 SetFocus(infoPtr->hwndSelf);
1480 if (PtInRect(&infoPtr->rcThumb, clickPoint)) {
1481 infoPtr->flags |= TB_DRAG_MODE;
1482 SetCapture (infoPtr->hwndSelf);
1483 TRACKBAR_UpdateToolTip (infoPtr);
1484 TRACKBAR_ActivateToolTip (infoPtr, TRUE);
1485 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos);
1487 LONG dir = TRACKBAR_GetAutoPageDirection(infoPtr, clickPoint);
1488 if (dir == 0) return 0;
1489 infoPtr->flags |= (dir < 0) ? TB_AUTO_PAGE_LEFT : TB_AUTO_PAGE_RIGHT;
1490 TRACKBAR_AutoPage (infoPtr, clickPoint);
1491 SetCapture (infoPtr->hwndSelf);
1492 SetTimer(infoPtr->hwndSelf, TB_REFRESH_TIMER, TB_REFRESH_DELAY, 0);
1500 TRACKBAR_LButtonUp (TRACKBAR_INFO *infoPtr)
1502 if (infoPtr->flags & TB_DRAG_MODE) {
1503 notify_with_scroll (infoPtr, TB_THUMBPOSITION | (infoPtr->lPos<<16));
1504 notify_with_scroll (infoPtr, TB_ENDTRACK);
1505 infoPtr->flags &= ~TB_DRAG_MODE;
1507 notify(infoPtr, NM_RELEASEDCAPTURE);
1508 TRACKBAR_ActivateToolTip(infoPtr, FALSE);
1509 TRACKBAR_InvalidateThumb(infoPtr, infoPtr->lPos);
1511 if (infoPtr->flags & TB_AUTO_PAGE) {
1512 KillTimer (infoPtr->hwndSelf, TB_REFRESH_TIMER);
1513 infoPtr->flags &= ~TB_AUTO_PAGE;
1514 notify_with_scroll (infoPtr, TB_ENDTRACK);
1516 notify(infoPtr, NM_RELEASEDCAPTURE);
1524 TRACKBAR_CaptureChanged (const TRACKBAR_INFO *infoPtr)
1526 notify_with_scroll (infoPtr, TB_ENDTRACK);
1532 TRACKBAR_Paint (TRACKBAR_INFO *infoPtr, HDC hdc)
1535 TRACKBAR_Refresh(infoPtr, hdc);
1538 hdc = BeginPaint (infoPtr->hwndSelf, &ps);
1539 TRACKBAR_Refresh (infoPtr, hdc);
1540 EndPaint (infoPtr->hwndSelf, &ps);
1548 TRACKBAR_SetFocus (TRACKBAR_INFO *infoPtr)
1551 infoPtr->bFocussed = TRUE;
1552 TRACKBAR_InvalidateAll(infoPtr);
1559 TRACKBAR_Size (TRACKBAR_INFO *infoPtr)
1561 TRACKBAR_InitializeThumb (infoPtr);
1562 TRACKBAR_AlignBuddies (infoPtr);
1568 TRACKBAR_StyleChanged (TRACKBAR_INFO *infoPtr, WPARAM wStyleType,
1569 const STYLESTRUCT *lpss)
1571 if (wStyleType != GWL_STYLE) return 0;
1573 infoPtr->dwStyle = lpss->styleNew;
1579 TRACKBAR_Timer (TRACKBAR_INFO *infoPtr)
1581 if (infoPtr->flags & TB_AUTO_PAGE) {
1583 if (GetCursorPos(&pt))
1584 if (ScreenToClient(infoPtr->hwndSelf, &pt))
1585 TRACKBAR_AutoPage(infoPtr, pt);
1591 /* update theme after a WM_THEMECHANGED message */
1592 static LRESULT theme_changed (const TRACKBAR_INFO* infoPtr)
1594 HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
1595 CloseThemeData (theme);
1596 OpenThemeData (infoPtr->hwndSelf, themeClass);
1602 TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y)
1604 INT clickPlace = (infoPtr->dwStyle & TBS_VERT) ? y : x;
1605 LONG dragPos, oldPos = infoPtr->lPos;
1607 TRACE("(x=%d. y=%d)\n", x, y);
1609 if (infoPtr->flags & TB_AUTO_PAGE) {
1613 TRACKBAR_AutoPage (infoPtr, pt);
1617 if (!(infoPtr->flags & TB_DRAG_MODE))
1619 if (GetWindowTheme (infoPtr->hwndSelf))
1621 DWORD oldFlags = infoPtr->flags;
1625 if (PtInRect (&infoPtr->rcThumb, pt))
1627 TRACKMOUSEEVENT tme;
1628 tme.cbSize = sizeof( tme );
1629 tme.dwFlags = TME_LEAVE;
1630 tme.hwndTrack = infoPtr->hwndSelf;
1631 TrackMouseEvent( &tme );
1632 infoPtr->flags |= TB_THUMB_HOT;
1636 TRACKMOUSEEVENT tme;
1637 tme.cbSize = sizeof( tme );
1638 tme.dwFlags = TME_CANCEL;
1639 tme.hwndTrack = infoPtr->hwndSelf;
1640 TrackMouseEvent( &tme );
1641 infoPtr->flags &= ~TB_THUMB_HOT;
1643 if (oldFlags != infoPtr->flags) InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
1648 dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace);
1650 if (dragPos == oldPos) return TRUE;
1652 infoPtr->lPos = dragPos;
1654 infoPtr->flags |= TB_THUMBPOSCHANGED;
1655 notify_with_scroll (infoPtr, TB_THUMBTRACK | (infoPtr->lPos<<16));
1658 TRACKBAR_InvalidateThumbMove(infoPtr, oldPos, dragPos);
1659 UpdateWindow (infoPtr->hwndSelf);
1665 TRACKBAR_KeyDown (TRACKBAR_INFO *infoPtr, INT nVirtKey)
1667 BOOL downIsLeft = infoPtr->dwStyle & TBS_DOWNISLEFT;
1668 BOOL vert = infoPtr->dwStyle & TBS_VERT;
1669 LONG pos = infoPtr->lPos;
1671 TRACE("%x\n", nVirtKey);
1675 if (!vert && downIsLeft) TRACKBAR_LineDown(infoPtr);
1676 else TRACKBAR_LineUp(infoPtr);
1679 if (vert && downIsLeft) TRACKBAR_LineDown(infoPtr);
1680 else TRACKBAR_LineUp(infoPtr);
1683 if (!vert && downIsLeft) TRACKBAR_LineUp(infoPtr);
1684 else TRACKBAR_LineDown(infoPtr);
1687 if (vert && downIsLeft) TRACKBAR_LineUp(infoPtr);
1688 else TRACKBAR_LineDown(infoPtr);
1691 if (!vert && downIsLeft) TRACKBAR_PageUp(infoPtr);
1692 else TRACKBAR_PageDown(infoPtr);
1695 if (!vert && downIsLeft) TRACKBAR_PageDown(infoPtr);
1696 else TRACKBAR_PageUp(infoPtr);
1699 if (infoPtr->lPos == infoPtr->lRangeMin) return FALSE;
1700 infoPtr->lPos = infoPtr->lRangeMin;
1701 notify_with_scroll (infoPtr, TB_TOP);
1704 if (infoPtr->lPos == infoPtr->lRangeMax) return FALSE;
1705 infoPtr->lPos = infoPtr->lRangeMax;
1706 notify_with_scroll (infoPtr, TB_BOTTOM);
1710 if (pos != infoPtr->lPos) {
1711 infoPtr->flags |=TB_THUMBPOSCHANGED;
1712 TRACKBAR_InvalidateThumbMove (infoPtr, pos, infoPtr->lPos);
1720 TRACKBAR_KeyUp (const TRACKBAR_INFO *infoPtr, INT nVirtKey)
1731 notify_with_scroll (infoPtr, TB_ENDTRACK);
1737 static LRESULT WINAPI
1738 TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1740 TRACKBAR_INFO *infoPtr = (TRACKBAR_INFO *)GetWindowLongPtrW (hwnd, 0);
1742 TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hwnd, uMsg, wParam, lParam);
1744 if (!infoPtr && (uMsg != WM_CREATE))
1745 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1750 return TRACKBAR_ClearSel (infoPtr, (BOOL)wParam);
1753 return TRACKBAR_ClearTics (infoPtr, (BOOL)wParam);
1756 return (LRESULT)(wParam ? infoPtr->hwndBuddyLA : infoPtr->hwndBuddyRB);
1758 case TBM_GETCHANNELRECT:
1759 return TRACKBAR_GetChannelRect (infoPtr, (LPRECT)lParam);
1761 case TBM_GETLINESIZE:
1762 return infoPtr->lLineSize;
1764 case TBM_GETNUMTICS:
1765 return TRACKBAR_GetNumTics (infoPtr);
1767 case TBM_GETPAGESIZE:
1768 return infoPtr->lPageSize;
1771 return infoPtr->lPos;
1774 return (LRESULT)infoPtr->tics;
1776 case TBM_GETRANGEMAX:
1777 return infoPtr->lRangeMax;
1779 case TBM_GETRANGEMIN:
1780 return infoPtr->lRangeMin;
1783 return infoPtr->lSelMax;
1785 case TBM_GETSELSTART:
1786 return infoPtr->lSelMin;
1788 case TBM_GETTHUMBLENGTH:
1789 return infoPtr->uThumbLen;
1791 case TBM_GETTHUMBRECT:
1792 return CopyRect((LPRECT)lParam, &infoPtr->rcThumb);
1795 return TRACKBAR_GetTic (infoPtr, (INT)wParam);
1798 return TRACKBAR_GetTicPos (infoPtr, (INT)wParam);
1800 case TBM_GETTOOLTIPS:
1801 return (LRESULT)infoPtr->hwndToolTip;
1803 case TBM_GETUNICODEFORMAT:
1804 return infoPtr->bUnicode;
1807 return (LRESULT) TRACKBAR_SetBuddy(infoPtr, (BOOL)wParam, (HWND)lParam);
1809 case TBM_SETLINESIZE:
1810 return TRACKBAR_SetLineSize (infoPtr, (LONG)lParam);
1812 case TBM_SETPAGESIZE:
1813 return TRACKBAR_SetPageSize (infoPtr, (LONG)lParam);
1816 return TRACKBAR_SetPos (infoPtr, (BOOL)wParam, (LONG)lParam);
1819 return TRACKBAR_SetRange (infoPtr, (BOOL)wParam, (LONG)lParam);
1821 case TBM_SETRANGEMAX:
1822 return TRACKBAR_SetRangeMax (infoPtr, (BOOL)wParam, (LONG)lParam);
1824 case TBM_SETRANGEMIN:
1825 return TRACKBAR_SetRangeMin (infoPtr, (BOOL)wParam, (LONG)lParam);
1828 return TRACKBAR_SetSel (infoPtr, (BOOL)wParam, (LONG)lParam);
1831 return TRACKBAR_SetSelEnd (infoPtr, (BOOL)wParam, (LONG)lParam);
1833 case TBM_SETSELSTART:
1834 return TRACKBAR_SetSelStart (infoPtr, (BOOL)wParam, (LONG)lParam);
1836 case TBM_SETTHUMBLENGTH:
1837 return TRACKBAR_SetThumbLength (infoPtr, (UINT)wParam);
1840 return TRACKBAR_SetTic (infoPtr, (LONG)lParam);
1842 case TBM_SETTICFREQ:
1843 return TRACKBAR_SetTicFreq (infoPtr, (WORD)wParam);
1845 case TBM_SETTIPSIDE:
1846 return TRACKBAR_SetTipSide (infoPtr, (INT)wParam);
1848 case TBM_SETTOOLTIPS:
1849 return TRACKBAR_SetToolTips (infoPtr, (HWND)wParam);
1851 case TBM_SETUNICODEFORMAT:
1852 return TRACKBAR_SetUnicodeFormat (infoPtr, (BOOL)wParam);
1855 case WM_CAPTURECHANGED:
1856 return TRACKBAR_CaptureChanged (infoPtr);
1859 return TRACKBAR_Create (hwnd, (LPCREATESTRUCTW)lParam);
1862 return TRACKBAR_Destroy (infoPtr);
1864 /* case WM_ENABLE: */
1870 return DLGC_WANTARROWS;
1873 return TRACKBAR_KeyDown (infoPtr, (INT)wParam);
1876 return TRACKBAR_KeyUp (infoPtr, (INT)wParam);
1879 return TRACKBAR_KillFocus (infoPtr);
1881 case WM_LBUTTONDOWN:
1882 return TRACKBAR_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
1885 return TRACKBAR_LButtonUp (infoPtr);
1888 infoPtr->flags &= ~TB_THUMB_HOT;
1889 InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
1893 return TRACKBAR_MouseMove (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
1895 case WM_PRINTCLIENT:
1897 return TRACKBAR_Paint (infoPtr, (HDC)wParam);
1900 return TRACKBAR_SetFocus (infoPtr);
1903 return TRACKBAR_Size (infoPtr);
1905 case WM_STYLECHANGED:
1906 return TRACKBAR_StyleChanged (infoPtr, wParam, (LPSTYLESTRUCT)lParam);
1908 case WM_THEMECHANGED:
1909 return theme_changed (infoPtr);
1912 return TRACKBAR_Timer (infoPtr);
1914 case WM_WININICHANGE:
1915 return TRACKBAR_InitializeThumb (infoPtr);
1918 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
1919 ERR("unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
1920 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1925 void TRACKBAR_Register (void)
1929 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1930 wndClass.style = CS_GLOBALCLASS;
1931 wndClass.lpfnWndProc = TRACKBAR_WindowProc;
1932 wndClass.cbClsExtra = 0;
1933 wndClass.cbWndExtra = sizeof(TRACKBAR_INFO *);
1934 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
1935 wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1936 wndClass.lpszClassName = TRACKBAR_CLASSW;
1938 RegisterClassW (&wndClass);
1942 void TRACKBAR_Unregister (void)
1944 UnregisterClassW (TRACKBAR_CLASSW, NULL);