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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/msw/slider.cpp | |
3 | // Purpose: wxSlider, using the Win95 (and later) trackbar control | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart 1998 | |
9 | // Vadim Zeitlin 2004 | |
10 | // Licence: wxWindows licence | |
11 | ///////////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | // ============================================================================ | |
14 | // declarations | |
15 | // ============================================================================ | |
16 | ||
17 | // ---------------------------------------------------------------------------- | |
18 | // headers | |
19 | // ---------------------------------------------------------------------------- | |
20 | ||
21 | // For compilers that support precompilation, includes "wx.h". | |
22 | #include "wx/wxprec.h" | |
23 | ||
24 | #ifdef __BORLANDC__ | |
25 | #pragma hdrstop | |
26 | #endif | |
27 | ||
28 | #if wxUSE_SLIDER | |
29 | ||
30 | #include "wx/slider.h" | |
31 | ||
32 | #ifndef WX_PRECOMP | |
33 | #include "wx/brush.h" | |
34 | #endif | |
35 | ||
36 | #include "wx/msw/subwin.h" | |
37 | ||
38 | // include <commctrl.h> "properly" | |
39 | #include "wx/msw/wrapcctl.h" | |
40 | ||
41 | // ---------------------------------------------------------------------------- | |
42 | // constants | |
43 | // ---------------------------------------------------------------------------- | |
44 | ||
45 | // indices of labels in wxSlider::m_labels | |
46 | enum | |
47 | { | |
48 | SliderLabel_Min, | |
49 | SliderLabel_Max, | |
50 | SliderLabel_Value, | |
51 | SliderLabel_Last | |
52 | }; | |
53 | ||
54 | // the gap between the slider and the labels, in pixels | |
55 | static const int HGAP = 5; | |
56 | ||
57 | // ---------------------------------------------------------------------------- | |
58 | // XTI | |
59 | // ---------------------------------------------------------------------------- | |
60 | ||
61 | #if wxUSE_EXTENDED_RTTI | |
62 | WX_DEFINE_FLAGS( wxSliderStyle ) | |
63 | ||
64 | wxBEGIN_FLAGS( wxSliderStyle ) | |
65 | // new style border flags, we put them first to | |
66 | // use them for streaming out | |
67 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) | |
68 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
69 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
70 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
71 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
72 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
73 | ||
74 | // old style border flags | |
75 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) | |
76 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
77 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
78 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
79 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
80 | wxFLAGS_MEMBER(wxBORDER) | |
81 | ||
82 | // standard window styles | |
83 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) | |
84 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
85 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
86 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
87 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) | |
88 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) | |
89 | wxFLAGS_MEMBER(wxVSCROLL) | |
90 | wxFLAGS_MEMBER(wxHSCROLL) | |
91 | ||
92 | wxFLAGS_MEMBER(wxSL_HORIZONTAL) | |
93 | wxFLAGS_MEMBER(wxSL_VERTICAL) | |
94 | wxFLAGS_MEMBER(wxSL_AUTOTICKS) | |
95 | wxFLAGS_MEMBER(wxSL_LABELS) | |
96 | wxFLAGS_MEMBER(wxSL_LEFT) | |
97 | wxFLAGS_MEMBER(wxSL_TOP) | |
98 | wxFLAGS_MEMBER(wxSL_RIGHT) | |
99 | wxFLAGS_MEMBER(wxSL_BOTTOM) | |
100 | wxFLAGS_MEMBER(wxSL_BOTH) | |
101 | wxFLAGS_MEMBER(wxSL_SELRANGE) | |
102 | wxFLAGS_MEMBER(wxSL_INVERSE) | |
103 | ||
104 | wxEND_FLAGS( wxSliderStyle ) | |
105 | ||
106 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/slider.h") | |
107 | ||
108 | wxBEGIN_PROPERTIES_TABLE(wxSlider) | |
109 | wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent ) | |
110 | wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent ) | |
111 | ||
112 | wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
113 | wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
114 | wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
115 | wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
116 | wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
117 | wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
118 | wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style | |
119 | wxEND_PROPERTIES_TABLE() | |
120 | ||
121 | wxBEGIN_HANDLERS_TABLE(wxSlider) | |
122 | wxEND_HANDLERS_TABLE() | |
123 | ||
124 | wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle ) | |
125 | #else | |
126 | IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl) | |
127 | #endif | |
128 | ||
129 | // ============================================================================ | |
130 | // wxSlider implementation | |
131 | // ============================================================================ | |
132 | ||
133 | // ---------------------------------------------------------------------------- | |
134 | // construction | |
135 | // ---------------------------------------------------------------------------- | |
136 | ||
137 | void wxSlider::Init() | |
138 | { | |
139 | m_labels = NULL; | |
140 | ||
141 | m_pageSize = 1; | |
142 | m_lineSize = 1; | |
143 | m_rangeMax = 0; | |
144 | m_rangeMin = 0; | |
145 | m_tickFreq = 0; | |
146 | ||
147 | m_isDragging = false; | |
148 | } | |
149 | ||
150 | bool | |
151 | wxSlider::Create(wxWindow *parent, | |
152 | wxWindowID id, | |
153 | int value, | |
154 | int minValue, | |
155 | int maxValue, | |
156 | const wxPoint& pos, | |
157 | const wxSize& size, | |
158 | long style, | |
159 | const wxValidator& validator, | |
160 | const wxString& name) | |
161 | { | |
162 | // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and | |
163 | // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility | |
164 | // reasons we can't really change it, instead try to infer the orientation | |
165 | // from the flags given to us here | |
166 | switch ( style & (wxSL_LEFT | wxSL_RIGHT | wxSL_TOP | wxSL_BOTTOM) ) | |
167 | { | |
168 | case wxSL_LEFT: | |
169 | case wxSL_RIGHT: | |
170 | style |= wxSL_VERTICAL; | |
171 | break; | |
172 | ||
173 | case wxSL_TOP: | |
174 | case wxSL_BOTTOM: | |
175 | style |= wxSL_HORIZONTAL; | |
176 | break; | |
177 | ||
178 | case 0: | |
179 | // no specific direction, do we have at least the orientation? | |
180 | if ( !(style & (wxSL_HORIZONTAL | wxSL_VERTICAL)) ) | |
181 | { | |
182 | // no, choose default | |
183 | style |= wxSL_BOTTOM | wxSL_HORIZONTAL; | |
184 | } | |
185 | }; | |
186 | ||
187 | wxASSERT_MSG( !(style & wxSL_VERTICAL) || !(style & wxSL_HORIZONTAL), | |
188 | _T("incompatible slider direction and orientation") ); | |
189 | ||
190 | ||
191 | // initialize everything | |
192 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) | |
193 | return false; | |
194 | ||
195 | // ensure that we have correct values for GetLabelsSize() | |
196 | m_rangeMin = minValue; | |
197 | m_rangeMax = maxValue; | |
198 | ||
199 | // create the labels first, so that our DoGetBestSize() could take them | |
200 | // into account | |
201 | // | |
202 | // note that we could simply create 3 wxStaticTexts here but it could | |
203 | // result in some observable side effects at wx level (e.g. the parent of | |
204 | // wxSlider would have 3 more children than expected) and so we prefer not | |
205 | // to do it like this | |
206 | if ( m_windowStyle & wxSL_LABELS ) | |
207 | { | |
208 | m_labels = new wxSubwindows(SliderLabel_Last); | |
209 | ||
210 | HWND hwndParent = GetHwndOf(parent); | |
211 | for ( size_t n = 0; n < SliderLabel_Last; n++ ) | |
212 | { | |
213 | (*m_labels)[n] = ::CreateWindow | |
214 | ( | |
215 | wxT("STATIC"), | |
216 | NULL, | |
217 | WS_CHILD | WS_VISIBLE | SS_CENTER, | |
218 | 0, 0, 0, 0, | |
219 | hwndParent, | |
220 | (HMENU)NewControlId(), | |
221 | wxGetInstance(), | |
222 | NULL | |
223 | ); | |
224 | } | |
225 | ||
226 | m_labels->SetFont(GetFont()); | |
227 | } | |
228 | ||
229 | // now create the main control too | |
230 | if ( !MSWCreateControl(TRACKBAR_CLASS, wxEmptyString, pos, size) ) | |
231 | return false; | |
232 | ||
233 | // and initialize everything | |
234 | SetRange(minValue, maxValue); | |
235 | SetValue(value); | |
236 | SetPageSize((maxValue - minValue)/10); | |
237 | ||
238 | // we need to position the labels correctly if we have them and if | |
239 | // SetSize() hadn't been called before (when best size was determined by | |
240 | // MSWCreateControl()) as in this case they haven't been put in place yet | |
241 | if ( m_labels && size.x != wxDefaultCoord && size.y != wxDefaultCoord ) | |
242 | { | |
243 | SetSize(size); | |
244 | } | |
245 | ||
246 | return true; | |
247 | } | |
248 | ||
249 | WXDWORD wxSlider::MSWGetStyle(long style, WXDWORD *exstyle) const | |
250 | { | |
251 | WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); | |
252 | ||
253 | // TBS_HORZ, TBS_RIGHT and TBS_BOTTOM are 0 but do include them for clarity | |
254 | msStyle |= style & wxSL_VERTICAL ? TBS_VERT : TBS_HORZ; | |
255 | ||
256 | if ( style & wxSL_BOTH ) | |
257 | { | |
258 | // this fully specifies the style combined with TBS_VERT/HORZ above | |
259 | msStyle |= TBS_BOTH; | |
260 | } | |
261 | else // choose one direction | |
262 | { | |
263 | if ( style & wxSL_LEFT ) | |
264 | msStyle |= TBS_LEFT; | |
265 | else if ( style & wxSL_RIGHT ) | |
266 | msStyle |= TBS_RIGHT; | |
267 | else if ( style & wxSL_TOP ) | |
268 | msStyle |= TBS_TOP; | |
269 | else if ( style & wxSL_BOTTOM ) | |
270 | msStyle |= TBS_BOTTOM; | |
271 | } | |
272 | ||
273 | if ( style & wxSL_AUTOTICKS ) | |
274 | msStyle |= TBS_AUTOTICKS; | |
275 | else | |
276 | msStyle |= TBS_NOTICKS; | |
277 | ||
278 | if ( style & wxSL_SELRANGE ) | |
279 | msStyle |= TBS_ENABLESELRANGE; | |
280 | ||
281 | return msStyle; | |
282 | } | |
283 | ||
284 | wxSlider::~wxSlider() | |
285 | { | |
286 | delete m_labels; | |
287 | } | |
288 | ||
289 | // ---------------------------------------------------------------------------- | |
290 | // event handling | |
291 | // ---------------------------------------------------------------------------- | |
292 | ||
293 | bool wxSlider::MSWOnScroll(int WXUNUSED(orientation), | |
294 | WXWORD wParam, | |
295 | WXWORD WXUNUSED(pos), | |
296 | WXHWND control) | |
297 | { | |
298 | wxEventType scrollEvent; | |
299 | switch ( wParam ) | |
300 | { | |
301 | case SB_TOP: | |
302 | scrollEvent = wxEVT_SCROLL_TOP; | |
303 | break; | |
304 | ||
305 | case SB_BOTTOM: | |
306 | scrollEvent = wxEVT_SCROLL_BOTTOM; | |
307 | break; | |
308 | ||
309 | case SB_LINEUP: | |
310 | scrollEvent = wxEVT_SCROLL_LINEUP; | |
311 | break; | |
312 | ||
313 | case SB_LINEDOWN: | |
314 | scrollEvent = wxEVT_SCROLL_LINEDOWN; | |
315 | break; | |
316 | ||
317 | case SB_PAGEUP: | |
318 | scrollEvent = wxEVT_SCROLL_PAGEUP; | |
319 | break; | |
320 | ||
321 | case SB_PAGEDOWN: | |
322 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; | |
323 | break; | |
324 | ||
325 | case SB_THUMBTRACK: | |
326 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; | |
327 | m_isDragging = true; | |
328 | break; | |
329 | ||
330 | case SB_THUMBPOSITION: | |
331 | if ( m_isDragging ) | |
332 | { | |
333 | scrollEvent = wxEVT_SCROLL_THUMBRELEASE; | |
334 | m_isDragging = false; | |
335 | } | |
336 | else | |
337 | { | |
338 | // this seems to only happen when the mouse wheel is used: in | |
339 | // this case, as it might be unexpected to get THUMBRELEASE | |
340 | // without preceding THUMBTRACKs, we don't generate it at all | |
341 | // but generate CHANGED event because the control itself does | |
342 | // not send us SB_ENDSCROLL for whatever reason when mouse | |
343 | // wheel is used | |
344 | scrollEvent = wxEVT_SCROLL_CHANGED; | |
345 | } | |
346 | break; | |
347 | ||
348 | case SB_ENDSCROLL: | |
349 | scrollEvent = wxEVT_SCROLL_CHANGED; | |
350 | break; | |
351 | ||
352 | default: | |
353 | // unknown scroll event? | |
354 | return false; | |
355 | } | |
356 | ||
357 | int newPos = ValueInvertOrNot((int) ::SendMessage((HWND) control, TBM_GETPOS, 0, 0)); | |
358 | if ( (newPos < GetMin()) || (newPos > GetMax()) ) | |
359 | { | |
360 | // out of range - but we did process it | |
361 | return true; | |
362 | } | |
363 | ||
364 | SetValue(newPos); | |
365 | ||
366 | wxScrollEvent event(scrollEvent, m_windowId); | |
367 | event.SetPosition(newPos); | |
368 | event.SetEventObject( this ); | |
369 | GetEventHandler()->ProcessEvent(event); | |
370 | ||
371 | wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() ); | |
372 | cevent.SetInt( newPos ); | |
373 | cevent.SetEventObject( this ); | |
374 | ||
375 | return GetEventHandler()->ProcessEvent( cevent ); | |
376 | } | |
377 | ||
378 | void wxSlider::Command (wxCommandEvent & event) | |
379 | { | |
380 | SetValue (event.GetInt()); | |
381 | ProcessCommand (event); | |
382 | } | |
383 | ||
384 | // ---------------------------------------------------------------------------- | |
385 | // geometry stuff | |
386 | // ---------------------------------------------------------------------------- | |
387 | ||
388 | wxRect wxSlider::GetBoundingBox() const | |
389 | { | |
390 | // take care not to call our own functions which would call us recursively | |
391 | int x, y, w, h; | |
392 | wxSliderBase::DoGetPosition(&x, &y); | |
393 | wxSliderBase::DoGetSize(&w, &h); | |
394 | ||
395 | wxRect rect(x, y, w, h); | |
396 | if ( m_labels ) | |
397 | { | |
398 | wxRect lrect = m_labels->GetBoundingBox(); | |
399 | GetParent()->ScreenToClient(&lrect.x, &lrect.y); | |
400 | rect.Union(lrect); | |
401 | } | |
402 | ||
403 | return rect; | |
404 | } | |
405 | ||
406 | void wxSlider::DoGetSize(int *width, int *height) const | |
407 | { | |
408 | wxRect rect = GetBoundingBox(); | |
409 | ||
410 | if ( width ) | |
411 | *width = rect.width; | |
412 | if ( height ) | |
413 | *height = rect.height; | |
414 | } | |
415 | ||
416 | void wxSlider::DoGetPosition(int *x, int *y) const | |
417 | { | |
418 | wxRect rect = GetBoundingBox(); | |
419 | ||
420 | if ( x ) | |
421 | *x = rect.x; | |
422 | if ( y ) | |
423 | *y = rect.y; | |
424 | } | |
425 | ||
426 | int wxSlider::GetLabelsSize(int *width) const | |
427 | { | |
428 | int cy; | |
429 | ||
430 | if ( width ) | |
431 | { | |
432 | // find the max label width | |
433 | int wLabelMin, wLabelMax; | |
434 | GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy); | |
435 | GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy); | |
436 | ||
437 | *width = wxMax(wLabelMin, wLabelMax); | |
438 | } | |
439 | else | |
440 | { | |
441 | cy = GetCharHeight(); | |
442 | } | |
443 | ||
444 | return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); | |
445 | } | |
446 | ||
447 | void wxSlider::DoMoveWindow(int x, int y, int width, int height) | |
448 | { | |
449 | // all complications below are because we need to position the labels, | |
450 | // without them everything is easy | |
451 | if ( !m_labels ) | |
452 | { | |
453 | wxSliderBase::DoMoveWindow(x, y, width, height); | |
454 | return; | |
455 | } | |
456 | ||
457 | // be careful to position the slider itself after moving the labels as | |
458 | // otherwise our GetBoundingBox(), which is called from WM_SIZE handler, | |
459 | // would return a wrong result and wrong size would be cached internally | |
460 | if ( HasFlag(wxSL_VERTICAL) ) | |
461 | { | |
462 | int wLabel; | |
463 | int hLabel = GetLabelsSize(&wLabel); | |
464 | ||
465 | int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x; | |
466 | ||
467 | // position all labels: min at the top, value in the middle and max at | |
468 | // the bottom | |
469 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], | |
470 | xLabel, y, wLabel, hLabel); | |
471 | ||
472 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], | |
473 | xLabel, y + (height - hLabel)/2, wLabel, hLabel); | |
474 | ||
475 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], | |
476 | xLabel, y + height - hLabel, wLabel, hLabel); | |
477 | ||
478 | // position the slider itself along the left/right edge | |
479 | wxSliderBase::DoMoveWindow(HasFlag(wxSL_LEFT) ? x : x + wLabel + HGAP, | |
480 | y + hLabel/2, | |
481 | width - wLabel - HGAP, | |
482 | height - hLabel); | |
483 | } | |
484 | else // horizontal | |
485 | { | |
486 | int wLabel; | |
487 | int hLabel = GetLabelsSize(&wLabel); | |
488 | ||
489 | int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y; | |
490 | ||
491 | // position all labels: min on the left, value in the middle and max to | |
492 | // the right | |
493 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], | |
494 | x, yLabel, wLabel, hLabel); | |
495 | ||
496 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], | |
497 | x + (width - wLabel)/2, yLabel, wLabel, hLabel); | |
498 | ||
499 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], | |
500 | x + width - wLabel, yLabel, wLabel, hLabel); | |
501 | ||
502 | // position the slider itself along the top/bottom edge | |
503 | wxSliderBase::DoMoveWindow(x, | |
504 | HasFlag(wxSL_TOP) ? y : y + hLabel, | |
505 | width, | |
506 | height - hLabel); | |
507 | } | |
508 | } | |
509 | ||
510 | wxSize wxSlider::DoGetBestSize() const | |
511 | { | |
512 | // these values are arbitrary | |
513 | static const int length = 100; | |
514 | static const int thumb = 24; | |
515 | static const int ticks = 8; | |
516 | ||
517 | int *width; | |
518 | wxSize size; | |
519 | if ( HasFlag(wxSL_VERTICAL) ) | |
520 | { | |
521 | size.x = thumb; | |
522 | size.y = length; | |
523 | width = &size.x; | |
524 | ||
525 | if ( m_labels ) | |
526 | { | |
527 | int wLabel; | |
528 | int hLabel = GetLabelsSize(&wLabel); | |
529 | ||
530 | // account for the labels | |
531 | size.x += HGAP + wLabel; | |
532 | ||
533 | // labels are indented relative to the slider itself | |
534 | size.y += hLabel; | |
535 | } | |
536 | } | |
537 | else // horizontal | |
538 | { | |
539 | size.x = length; | |
540 | size.y = thumb; | |
541 | width = &size.y; | |
542 | ||
543 | if ( m_labels ) | |
544 | { | |
545 | // labels add extra height | |
546 | size.y += GetLabelsSize(); | |
547 | } | |
548 | } | |
549 | ||
550 | // need extra space to show ticks | |
551 | if ( HasFlag(wxSL_TICKS) ) | |
552 | { | |
553 | *width += ticks; | |
554 | ||
555 | // and maybe twice as much if we show them on both sides | |
556 | if ( HasFlag(wxSL_BOTH) ) | |
557 | *width += ticks; | |
558 | } | |
559 | ||
560 | return size; | |
561 | } | |
562 | ||
563 | // ---------------------------------------------------------------------------- | |
564 | // slider-specific methods | |
565 | // ---------------------------------------------------------------------------- | |
566 | ||
567 | int wxSlider::GetValue() const | |
568 | { | |
569 | return ValueInvertOrNot(::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0)); | |
570 | } | |
571 | ||
572 | void wxSlider::SetValue(int value) | |
573 | { | |
574 | ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)ValueInvertOrNot(value)); | |
575 | ||
576 | if ( m_labels ) | |
577 | { | |
578 | ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value)); | |
579 | } | |
580 | } | |
581 | ||
582 | void wxSlider::SetRange(int minValue, int maxValue) | |
583 | { | |
584 | m_rangeMin = minValue; | |
585 | m_rangeMax = maxValue; | |
586 | ||
587 | ::SendMessage(GetHwnd(), TBM_SETRANGEMIN, TRUE, m_rangeMin); | |
588 | ::SendMessage(GetHwnd(), TBM_SETRANGEMAX, TRUE, m_rangeMax); | |
589 | ||
590 | if ( m_labels ) | |
591 | { | |
592 | ::SetWindowText((*m_labels)[SliderLabel_Min], Format(ValueInvertOrNot(m_rangeMin))); | |
593 | ::SetWindowText((*m_labels)[SliderLabel_Max], Format(ValueInvertOrNot(m_rangeMax))); | |
594 | } | |
595 | } | |
596 | ||
597 | void wxSlider::SetTickFreq(int n, int pos) | |
598 | { | |
599 | m_tickFreq = n; | |
600 | ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos ); | |
601 | } | |
602 | ||
603 | void wxSlider::SetPageSize(int pageSize) | |
604 | { | |
605 | ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize ); | |
606 | m_pageSize = pageSize; | |
607 | } | |
608 | ||
609 | int wxSlider::GetPageSize() const | |
610 | { | |
611 | return m_pageSize; | |
612 | } | |
613 | ||
614 | void wxSlider::ClearSel() | |
615 | { | |
616 | ::SendMessage(GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0); | |
617 | } | |
618 | ||
619 | void wxSlider::ClearTicks() | |
620 | { | |
621 | ::SendMessage(GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0); | |
622 | } | |
623 | ||
624 | void wxSlider::SetLineSize(int lineSize) | |
625 | { | |
626 | m_lineSize = lineSize; | |
627 | ::SendMessage(GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize); | |
628 | } | |
629 | ||
630 | int wxSlider::GetLineSize() const | |
631 | { | |
632 | return (int)::SendMessage(GetHwnd(), TBM_GETLINESIZE, 0, 0); | |
633 | } | |
634 | ||
635 | int wxSlider::GetSelEnd() const | |
636 | { | |
637 | return (int)::SendMessage(GetHwnd(), TBM_GETSELEND, 0, 0); | |
638 | } | |
639 | ||
640 | int wxSlider::GetSelStart() const | |
641 | { | |
642 | return (int)::SendMessage(GetHwnd(), TBM_GETSELSTART, 0, 0); | |
643 | } | |
644 | ||
645 | void wxSlider::SetSelection(int minPos, int maxPos) | |
646 | { | |
647 | ::SendMessage(GetHwnd(), TBM_SETSEL, | |
648 | (WPARAM) TRUE /* redraw */, | |
649 | (LPARAM) MAKELONG( minPos, maxPos) ); | |
650 | } | |
651 | ||
652 | void wxSlider::SetThumbLength(int len) | |
653 | { | |
654 | ::SendMessage(GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0); | |
655 | } | |
656 | ||
657 | int wxSlider::GetThumbLength() const | |
658 | { | |
659 | return (int)::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, 0, 0); | |
660 | } | |
661 | ||
662 | void wxSlider::SetTick(int tickPos) | |
663 | { | |
664 | ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos ); | |
665 | } | |
666 | ||
667 | // ---------------------------------------------------------------------------- | |
668 | // composite control methods | |
669 | // ---------------------------------------------------------------------------- | |
670 | ||
671 | WXHWND wxSlider::GetStaticMin() const | |
672 | { | |
673 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Min] : NULL; | |
674 | } | |
675 | ||
676 | WXHWND wxSlider::GetStaticMax() const | |
677 | { | |
678 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Max] : NULL; | |
679 | } | |
680 | ||
681 | WXHWND wxSlider::GetEditValue() const | |
682 | { | |
683 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Value] : NULL; | |
684 | } | |
685 | ||
686 | WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(wxSlider, wxSliderBase, m_labels) | |
687 | ||
688 | #endif // wxUSE_SLIDER |