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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: 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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
18 | #pragma implementation "slider95.h" | |
19 | #endif | |
20 | ||
21 | // ---------------------------------------------------------------------------- | |
22 | // headers | |
23 | // ---------------------------------------------------------------------------- | |
24 | ||
25 | // For compilers that support precompilation, includes "wx.h". | |
26 | #include "wx/wxprec.h" | |
27 | ||
28 | #ifdef __BORLANDC__ | |
29 | #pragma hdrstop | |
30 | #endif | |
31 | ||
32 | #if wxUSE_SLIDER | |
33 | ||
34 | #ifndef WX_PRECOMP | |
35 | #include "wx/brush.h" | |
36 | #endif | |
37 | ||
38 | #include "wx/slider.h" | |
39 | #include "wx/msw/subwin.h" | |
40 | ||
41 | #if !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) | |
42 | #include <commctrl.h> | |
43 | #endif | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // constants | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | // indices of labels in wxSlider::m_labels | |
50 | enum | |
51 | { | |
52 | SliderLabel_Min, | |
53 | SliderLabel_Max, | |
54 | SliderLabel_Value, | |
55 | SliderLabel_Last | |
56 | }; | |
57 | ||
58 | // the gap between the slider and the labels, in pixels | |
59 | static const int HGAP = 5; | |
60 | ||
61 | // ---------------------------------------------------------------------------- | |
62 | // XTI | |
63 | // ---------------------------------------------------------------------------- | |
64 | ||
65 | #if wxUSE_EXTENDED_RTTI | |
66 | WX_DEFINE_FLAGS( wxSliderStyle ) | |
67 | ||
68 | wxBEGIN_FLAGS( wxSliderStyle ) | |
69 | // new style border flags, we put them first to | |
70 | // use them for streaming out | |
71 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) | |
72 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
73 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
74 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
75 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
76 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
77 | ||
78 | // old style border flags | |
79 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) | |
80 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
81 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
82 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
83 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
84 | wxFLAGS_MEMBER(wxBORDER) | |
85 | ||
86 | // standard window styles | |
87 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) | |
88 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
89 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
90 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
91 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) | |
92 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) | |
93 | wxFLAGS_MEMBER(wxVSCROLL) | |
94 | wxFLAGS_MEMBER(wxHSCROLL) | |
95 | ||
96 | wxFLAGS_MEMBER(wxSL_HORIZONTAL) | |
97 | wxFLAGS_MEMBER(wxSL_VERTICAL) | |
98 | wxFLAGS_MEMBER(wxSL_AUTOTICKS) | |
99 | wxFLAGS_MEMBER(wxSL_LABELS) | |
100 | wxFLAGS_MEMBER(wxSL_LEFT) | |
101 | wxFLAGS_MEMBER(wxSL_TOP) | |
102 | wxFLAGS_MEMBER(wxSL_RIGHT) | |
103 | wxFLAGS_MEMBER(wxSL_BOTTOM) | |
104 | wxFLAGS_MEMBER(wxSL_BOTH) | |
105 | wxFLAGS_MEMBER(wxSL_SELRANGE) | |
106 | wxFLAGS_MEMBER(wxSL_INVERSE) | |
107 | ||
108 | wxEND_FLAGS( wxSliderStyle ) | |
109 | ||
110 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/scrolbar.h") | |
111 | ||
112 | wxBEGIN_PROPERTIES_TABLE(wxSlider) | |
113 | wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent ) | |
114 | wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent ) | |
115 | ||
116 | wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
117 | wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
118 | wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
119 | wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
120 | wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
121 | wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
122 | wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style | |
123 | wxEND_PROPERTIES_TABLE() | |
124 | ||
125 | wxBEGIN_HANDLERS_TABLE(wxSlider) | |
126 | wxEND_HANDLERS_TABLE() | |
127 | ||
128 | wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle ) | |
129 | #else | |
130 | IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl) | |
131 | #endif | |
132 | ||
133 | // ============================================================================ | |
134 | // wxSlider implementation | |
135 | // ============================================================================ | |
136 | ||
137 | // ---------------------------------------------------------------------------- | |
138 | // construction | |
139 | // ---------------------------------------------------------------------------- | |
140 | ||
141 | void wxSlider::Init() | |
142 | { | |
143 | m_labels = NULL; | |
144 | ||
145 | m_pageSize = 1; | |
146 | m_lineSize = 1; | |
147 | m_rangeMax = 0; | |
148 | m_rangeMin = 0; | |
149 | m_tickFreq = 0; | |
150 | ||
151 | m_isDragging = false; | |
152 | } | |
153 | ||
154 | bool | |
155 | wxSlider::Create(wxWindow *parent, | |
156 | wxWindowID id, | |
157 | int value, | |
158 | int minValue, | |
159 | int maxValue, | |
160 | const wxPoint& pos, | |
161 | const wxSize& size, | |
162 | long style, | |
163 | const wxValidator& validator, | |
164 | const wxString& name) | |
165 | { | |
166 | // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and | |
167 | // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility | |
168 | // reasons we can't really change it, instead try to infer the orientation | |
169 | // from the flags given to us here | |
170 | switch ( style & (wxSL_LEFT | wxSL_RIGHT | wxSL_TOP | wxSL_BOTTOM) ) | |
171 | { | |
172 | case wxSL_LEFT: | |
173 | case wxSL_RIGHT: | |
174 | style |= wxSL_VERTICAL; | |
175 | break; | |
176 | ||
177 | case wxSL_TOP: | |
178 | case wxSL_BOTTOM: | |
179 | style |= wxSL_HORIZONTAL; | |
180 | break; | |
181 | ||
182 | case 0: | |
183 | // no specific direction, do we have at least the orientation? | |
184 | if ( !(style & (wxSL_HORIZONTAL | wxSL_VERTICAL)) ) | |
185 | { | |
186 | // no, choose default | |
187 | style |= wxSL_BOTTOM | wxSL_HORIZONTAL; | |
188 | } | |
189 | }; | |
190 | ||
191 | wxASSERT_MSG( !(style & wxSL_VERTICAL) | !(style & wxSL_HORIZONTAL), | |
192 | _T("incompatible slider direction and orientation") ); | |
193 | ||
194 | ||
195 | // initialize everything | |
196 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) | |
197 | return false; | |
198 | ||
199 | // ensure that we have correct values for GetLabelsSize() | |
200 | m_rangeMin = minValue; | |
201 | m_rangeMax = maxValue; | |
202 | ||
203 | // create the labels first, so that our DoGetBestSize() could take them | |
204 | // into account | |
205 | // | |
206 | // note that we could simply create 3 wxStaticTexts here but it could | |
207 | // result in some observable side effects at wx level (e.g. the parent of | |
208 | // wxSlider would have 3 more children than expected) and so we prefer not | |
209 | // to do it like this | |
210 | if ( m_windowStyle & wxSL_LABELS ) | |
211 | { | |
212 | m_labels = new wxSubwindows(SliderLabel_Last); | |
213 | ||
214 | HWND hwndParent = GetHwndOf(parent); | |
215 | for ( size_t n = 0; n < SliderLabel_Last; n++ ) | |
216 | { | |
217 | (*m_labels)[n] = ::CreateWindow | |
218 | ( | |
219 | wxT("STATIC"), | |
220 | NULL, | |
221 | WS_CHILD | WS_VISIBLE | SS_CENTER, | |
222 | 0, 0, 0, 0, | |
223 | hwndParent, | |
224 | (HMENU)NewControlId(), | |
225 | wxGetInstance(), | |
226 | NULL | |
227 | ); | |
228 | } | |
229 | ||
230 | m_labels->SetFont(GetFont()); | |
231 | } | |
232 | ||
233 | // now create the main control too | |
234 | if ( !MSWCreateControl(TRACKBAR_CLASS, wxEmptyString, pos, size) ) | |
235 | return false; | |
236 | ||
237 | // and initialize everything | |
238 | SetRange(minValue, maxValue); | |
239 | SetValue(value); | |
240 | SetPageSize((maxValue - minValue)/10); | |
241 | ||
242 | // we need to position the labels correctly if we have them and if | |
243 | // SetSize() hadn't been called before (when best size was determined by | |
244 | // MSWCreateControl()) as in this case they haven't been put in place yet | |
245 | if ( m_labels && size.x != wxDefaultCoord && size.y != wxDefaultCoord ) | |
246 | { | |
247 | SetSize(size); | |
248 | } | |
249 | ||
250 | return true; | |
251 | } | |
252 | ||
253 | WXDWORD wxSlider::MSWGetStyle(long style, WXDWORD *exstyle) const | |
254 | { | |
255 | WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); | |
256 | ||
257 | // TBS_HORZ, TBS_RIGHT and TBS_BOTTOM are 0 but do include them for clarity | |
258 | msStyle |= style & wxSL_VERTICAL ? TBS_VERT : TBS_HORZ; | |
259 | ||
260 | if ( style & wxSL_BOTH ) | |
261 | { | |
262 | // this fully specifies the style combined with TBS_VERT/HORZ above | |
263 | msStyle |= TBS_BOTH; | |
264 | } | |
265 | else // choose one direction | |
266 | { | |
267 | if ( style & wxSL_LEFT ) | |
268 | msStyle |= TBS_LEFT; | |
269 | else if ( style & wxSL_RIGHT ) | |
270 | msStyle |= TBS_RIGHT; | |
271 | else if ( style & wxSL_TOP ) | |
272 | msStyle |= TBS_TOP; | |
273 | else if ( style & wxSL_BOTTOM ) | |
274 | msStyle |= TBS_BOTTOM; | |
275 | } | |
276 | ||
277 | if ( style & wxSL_AUTOTICKS ) | |
278 | msStyle |= TBS_AUTOTICKS; | |
279 | else | |
280 | msStyle |= TBS_NOTICKS; | |
281 | ||
282 | if ( style & wxSL_SELRANGE ) | |
283 | msStyle |= TBS_ENABLESELRANGE; | |
284 | ||
285 | return msStyle; | |
286 | } | |
287 | ||
288 | wxSlider::~wxSlider() | |
289 | { | |
290 | delete m_labels; | |
291 | } | |
292 | ||
293 | // ---------------------------------------------------------------------------- | |
294 | // event handling | |
295 | // ---------------------------------------------------------------------------- | |
296 | ||
297 | bool wxSlider::MSWOnScroll(int WXUNUSED(orientation), | |
298 | WXWORD wParam, | |
299 | WXWORD WXUNUSED(pos), | |
300 | WXHWND control) | |
301 | { | |
302 | wxEventType scrollEvent; | |
303 | switch ( wParam ) | |
304 | { | |
305 | case SB_TOP: | |
306 | scrollEvent = wxEVT_SCROLL_TOP; | |
307 | break; | |
308 | ||
309 | case SB_BOTTOM: | |
310 | scrollEvent = wxEVT_SCROLL_BOTTOM; | |
311 | break; | |
312 | ||
313 | case SB_LINEUP: | |
314 | scrollEvent = wxEVT_SCROLL_LINEUP; | |
315 | break; | |
316 | ||
317 | case SB_LINEDOWN: | |
318 | scrollEvent = wxEVT_SCROLL_LINEDOWN; | |
319 | break; | |
320 | ||
321 | case SB_PAGEUP: | |
322 | scrollEvent = wxEVT_SCROLL_PAGEUP; | |
323 | break; | |
324 | ||
325 | case SB_PAGEDOWN: | |
326 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; | |
327 | break; | |
328 | ||
329 | case SB_THUMBTRACK: | |
330 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; | |
331 | m_isDragging = true; | |
332 | break; | |
333 | ||
334 | case SB_THUMBPOSITION: | |
335 | if ( m_isDragging ) | |
336 | { | |
337 | scrollEvent = wxEVT_SCROLL_THUMBRELEASE; | |
338 | m_isDragging = false; | |
339 | } | |
340 | else | |
341 | { | |
342 | // this seems to only happen when the mouse wheel is used: in | |
343 | // this case, as it might be unexpected to get THUMBRELEASE | |
344 | // without preceding THUMBTRACKs, we don't generate it at all | |
345 | // but generate CHANGED event because the control itself does | |
346 | // not send us SB_ENDSCROLL for whatever reason when mouse | |
347 | // wheel is used | |
348 | scrollEvent = wxEVT_SCROLL_CHANGED; | |
349 | } | |
350 | break; | |
351 | ||
352 | case SB_ENDSCROLL: | |
353 | scrollEvent = wxEVT_SCROLL_CHANGED; | |
354 | break; | |
355 | ||
356 | default: | |
357 | // unknown scroll event? | |
358 | return false; | |
359 | } | |
360 | ||
361 | int newPos = ValueInvertOrNot((int) ::SendMessage((HWND) control, TBM_GETPOS, 0, 0)); | |
362 | if ( (newPos < GetMin()) || (newPos > GetMax()) ) | |
363 | { | |
364 | // out of range - but we did process it | |
365 | return true; | |
366 | } | |
367 | ||
368 | SetValue(newPos); | |
369 | ||
370 | wxScrollEvent event(scrollEvent, m_windowId); | |
371 | event.SetPosition(newPos); | |
372 | event.SetEventObject( this ); | |
373 | GetEventHandler()->ProcessEvent(event); | |
374 | ||
375 | wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() ); | |
376 | cevent.SetInt( newPos ); | |
377 | cevent.SetEventObject( this ); | |
378 | ||
379 | return GetEventHandler()->ProcessEvent( cevent ); | |
380 | } | |
381 | ||
382 | void wxSlider::Command (wxCommandEvent & event) | |
383 | { | |
384 | SetValue (event.GetInt()); | |
385 | ProcessCommand (event); | |
386 | } | |
387 | ||
388 | // ---------------------------------------------------------------------------- | |
389 | // geometry stuff | |
390 | // ---------------------------------------------------------------------------- | |
391 | ||
392 | wxRect wxSlider::GetBoundingBox() const | |
393 | { | |
394 | // take care not to call our own functions which would call us recursively | |
395 | int x, y, w, h; | |
396 | wxSliderBase::DoGetPosition(&x, &y); | |
397 | wxSliderBase::DoGetSize(&w, &h); | |
398 | ||
399 | wxRect rect(x, y, w, h); | |
400 | if ( m_labels ) | |
401 | { | |
402 | wxRect lrect = m_labels->GetBoundingBox(); | |
403 | GetParent()->ScreenToClient(&lrect.x, &lrect.y); | |
404 | rect.Union(lrect); | |
405 | } | |
406 | ||
407 | return rect; | |
408 | } | |
409 | ||
410 | void wxSlider::DoGetSize(int *width, int *height) const | |
411 | { | |
412 | wxRect rect = GetBoundingBox(); | |
413 | ||
414 | if ( width ) | |
415 | *width = rect.width; | |
416 | if ( height ) | |
417 | *height = rect.height; | |
418 | } | |
419 | ||
420 | void wxSlider::DoGetPosition(int *x, int *y) const | |
421 | { | |
422 | wxRect rect = GetBoundingBox(); | |
423 | ||
424 | if ( x ) | |
425 | *x = rect.x; | |
426 | if ( y ) | |
427 | *y = rect.y; | |
428 | } | |
429 | ||
430 | int wxSlider::GetLabelsSize(int *width) const | |
431 | { | |
432 | int cy; | |
433 | ||
434 | if ( width ) | |
435 | { | |
436 | // find the max label width | |
437 | int wLabelMin, wLabelMax; | |
438 | GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy); | |
439 | GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy); | |
440 | ||
441 | *width = wxMax(wLabelMin, wLabelMax); | |
442 | } | |
443 | else | |
444 | { | |
445 | cy = GetCharHeight(); | |
446 | } | |
447 | ||
448 | return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); | |
449 | } | |
450 | ||
451 | void wxSlider::DoMoveWindow(int x, int y, int width, int height) | |
452 | { | |
453 | // all complications below are because we need to position the labels, | |
454 | // without them everything is easy | |
455 | if ( !m_labels ) | |
456 | { | |
457 | wxSliderBase::DoMoveWindow(x, y, width, height); | |
458 | return; | |
459 | } | |
460 | ||
461 | // be careful to position the slider itself after moving the labels as | |
462 | // otherwise our GetBoundingBox(), which is called from WM_SIZE handler, | |
463 | // would return a wrong result and wrong size would be cached internally | |
464 | if ( HasFlag(wxSL_VERTICAL) ) | |
465 | { | |
466 | int wLabel; | |
467 | int hLabel = GetLabelsSize(&wLabel); | |
468 | ||
469 | int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x; | |
470 | ||
471 | // position all labels: min at the top, value in the middle and max at | |
472 | // the bottom | |
473 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], | |
474 | xLabel, y, wLabel, hLabel); | |
475 | ||
476 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], | |
477 | xLabel, y + (height - hLabel)/2, wLabel, hLabel); | |
478 | ||
479 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], | |
480 | xLabel, y + height - hLabel, wLabel, hLabel); | |
481 | ||
482 | // position the slider itself along the left/right edge | |
483 | wxSliderBase::DoMoveWindow(HasFlag(wxSL_LEFT) ? x : x + wLabel + HGAP, | |
484 | y + hLabel/2, | |
485 | width - wLabel - HGAP, | |
486 | height - hLabel); | |
487 | } | |
488 | else // horizontal | |
489 | { | |
490 | int wLabel; | |
491 | int hLabel = GetLabelsSize(&wLabel); | |
492 | ||
493 | int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y; | |
494 | ||
495 | // position all labels: min on the left, value in the middle and max to | |
496 | // the right | |
497 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Min], | |
498 | x, yLabel, wLabel, hLabel); | |
499 | ||
500 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Value], | |
501 | x + (width - wLabel)/2, yLabel, wLabel, hLabel); | |
502 | ||
503 | DoMoveSibling((HWND)(*m_labels)[SliderLabel_Max], | |
504 | x + width - wLabel, yLabel, wLabel, hLabel); | |
505 | ||
506 | // position the slider itself along the top/bottom edge | |
507 | wxSliderBase::DoMoveWindow(x, | |
508 | HasFlag(wxSL_TOP) ? y : y + hLabel, | |
509 | width, | |
510 | height - hLabel); | |
511 | } | |
512 | } | |
513 | ||
514 | wxSize wxSlider::DoGetBestSize() const | |
515 | { | |
516 | // these values are arbitrary | |
517 | static const int length = 100; | |
518 | static const int thumb = 24; | |
519 | static const int ticks = 8; | |
520 | ||
521 | int *width; | |
522 | wxSize size; | |
523 | if ( HasFlag(wxSL_VERTICAL) ) | |
524 | { | |
525 | size.x = thumb; | |
526 | size.y = length; | |
527 | width = &size.x; | |
528 | ||
529 | if ( m_labels ) | |
530 | { | |
531 | int wLabel; | |
532 | int hLabel = GetLabelsSize(&wLabel); | |
533 | ||
534 | // account for the labels | |
535 | size.x += HGAP + wLabel; | |
536 | ||
537 | // labels are indented relative to the slider itself | |
538 | size.y += hLabel; | |
539 | } | |
540 | } | |
541 | else // horizontal | |
542 | { | |
543 | size.x = length; | |
544 | size.y = thumb; | |
545 | width = &size.y; | |
546 | ||
547 | if ( m_labels ) | |
548 | { | |
549 | // labels add extra height | |
550 | size.y += GetLabelsSize(); | |
551 | } | |
552 | } | |
553 | ||
554 | // need extra space to show ticks | |
555 | if ( HasFlag(wxSL_TICKS) ) | |
556 | { | |
557 | *width += ticks; | |
558 | ||
559 | // and maybe twice as much if we show them on both sides | |
560 | if ( HasFlag(wxSL_BOTH) ) | |
561 | *width += ticks; | |
562 | } | |
563 | ||
564 | return size; | |
565 | } | |
566 | ||
567 | // ---------------------------------------------------------------------------- | |
568 | // slider-specific methods | |
569 | // ---------------------------------------------------------------------------- | |
570 | ||
571 | int wxSlider::GetValue() const | |
572 | { | |
573 | return ValueInvertOrNot(::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0)); | |
574 | } | |
575 | ||
576 | void wxSlider::SetValue(int value) | |
577 | { | |
578 | ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)ValueInvertOrNot(value)); | |
579 | ||
580 | if ( m_labels ) | |
581 | { | |
582 | ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value)); | |
583 | } | |
584 | } | |
585 | ||
586 | void wxSlider::SetRange(int minValue, int maxValue) | |
587 | { | |
588 | m_rangeMin = minValue; | |
589 | m_rangeMax = maxValue; | |
590 | ||
591 | ::SendMessage(GetHwnd(), TBM_SETRANGEMIN, TRUE, m_rangeMin); | |
592 | ::SendMessage(GetHwnd(), TBM_SETRANGEMAX, TRUE, m_rangeMax); | |
593 | ||
594 | if ( m_labels ) | |
595 | { | |
596 | ::SetWindowText((*m_labels)[SliderLabel_Min], Format(ValueInvertOrNot(m_rangeMin))); | |
597 | ::SetWindowText((*m_labels)[SliderLabel_Max], Format(ValueInvertOrNot(m_rangeMax))); | |
598 | } | |
599 | } | |
600 | ||
601 | void wxSlider::SetTickFreq(int n, int pos) | |
602 | { | |
603 | m_tickFreq = n; | |
604 | ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos ); | |
605 | } | |
606 | ||
607 | void wxSlider::SetPageSize(int pageSize) | |
608 | { | |
609 | ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize ); | |
610 | m_pageSize = pageSize; | |
611 | } | |
612 | ||
613 | int wxSlider::GetPageSize() const | |
614 | { | |
615 | return m_pageSize; | |
616 | } | |
617 | ||
618 | void wxSlider::ClearSel() | |
619 | { | |
620 | ::SendMessage(GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0); | |
621 | } | |
622 | ||
623 | void wxSlider::ClearTicks() | |
624 | { | |
625 | ::SendMessage(GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0); | |
626 | } | |
627 | ||
628 | void wxSlider::SetLineSize(int lineSize) | |
629 | { | |
630 | m_lineSize = lineSize; | |
631 | ::SendMessage(GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize); | |
632 | } | |
633 | ||
634 | int wxSlider::GetLineSize() const | |
635 | { | |
636 | return (int)::SendMessage(GetHwnd(), TBM_GETLINESIZE, 0, 0); | |
637 | } | |
638 | ||
639 | int wxSlider::GetSelEnd() const | |
640 | { | |
641 | return (int)::SendMessage(GetHwnd(), TBM_GETSELEND, 0, 0); | |
642 | } | |
643 | ||
644 | int wxSlider::GetSelStart() const | |
645 | { | |
646 | return (int)::SendMessage(GetHwnd(), TBM_GETSELSTART, 0, 0); | |
647 | } | |
648 | ||
649 | void wxSlider::SetSelection(int minPos, int maxPos) | |
650 | { | |
651 | ::SendMessage(GetHwnd(), TBM_SETSEL, | |
652 | (WPARAM) TRUE /* redraw */, | |
653 | (LPARAM) MAKELONG( minPos, maxPos) ); | |
654 | } | |
655 | ||
656 | void wxSlider::SetThumbLength(int len) | |
657 | { | |
658 | ::SendMessage(GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0); | |
659 | } | |
660 | ||
661 | int wxSlider::GetThumbLength() const | |
662 | { | |
663 | return (int)::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, 0, 0); | |
664 | } | |
665 | ||
666 | void wxSlider::SetTick(int tickPos) | |
667 | { | |
668 | ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos ); | |
669 | } | |
670 | ||
671 | // ---------------------------------------------------------------------------- | |
672 | // composite control methods | |
673 | // ---------------------------------------------------------------------------- | |
674 | ||
675 | WXHWND wxSlider::GetStaticMin() const | |
676 | { | |
677 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Min] : NULL; | |
678 | } | |
679 | ||
680 | WXHWND wxSlider::GetStaticMax() const | |
681 | { | |
682 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Max] : NULL; | |
683 | } | |
684 | ||
685 | WXHWND wxSlider::GetEditValue() const | |
686 | { | |
687 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Value] : NULL; | |
688 | } | |
689 | ||
690 | WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(wxSlider, wxSliderBase, m_labels) | |
691 | ||
692 | #endif // wxUSE_SLIDER |