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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 | #define USE_DEFERRED_SIZING 1 | |
46 | ||
47 | // ---------------------------------------------------------------------------- | |
48 | // constants | |
49 | // ---------------------------------------------------------------------------- | |
50 | ||
51 | // indices of labels in wxSlider::m_labels | |
52 | enum | |
53 | { | |
54 | SliderLabel_Min, | |
55 | SliderLabel_Max, | |
56 | SliderLabel_Value, | |
57 | SliderLabel_Last | |
58 | }; | |
59 | ||
60 | // the gap between the slider and the labels, in pixels | |
61 | static const int HGAP = 5; | |
62 | ||
63 | // ---------------------------------------------------------------------------- | |
64 | // XTI | |
65 | // ---------------------------------------------------------------------------- | |
66 | ||
67 | #if wxUSE_EXTENDED_RTTI | |
68 | WX_DEFINE_FLAGS( wxSliderStyle ) | |
69 | ||
70 | wxBEGIN_FLAGS( wxSliderStyle ) | |
71 | // new style border flags, we put them first to | |
72 | // use them for streaming out | |
73 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) | |
74 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
75 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
76 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
77 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
78 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
79 | ||
80 | // old style border flags | |
81 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) | |
82 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
83 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
84 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
85 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
86 | wxFLAGS_MEMBER(wxBORDER) | |
87 | ||
88 | // standard window styles | |
89 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) | |
90 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
91 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
92 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
93 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) | |
94 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) | |
95 | wxFLAGS_MEMBER(wxVSCROLL) | |
96 | wxFLAGS_MEMBER(wxHSCROLL) | |
97 | ||
98 | wxFLAGS_MEMBER(wxSL_HORIZONTAL) | |
99 | wxFLAGS_MEMBER(wxSL_VERTICAL) | |
100 | wxFLAGS_MEMBER(wxSL_AUTOTICKS) | |
101 | wxFLAGS_MEMBER(wxSL_LABELS) | |
102 | wxFLAGS_MEMBER(wxSL_LEFT) | |
103 | wxFLAGS_MEMBER(wxSL_TOP) | |
104 | wxFLAGS_MEMBER(wxSL_RIGHT) | |
105 | wxFLAGS_MEMBER(wxSL_BOTTOM) | |
106 | wxFLAGS_MEMBER(wxSL_BOTH) | |
107 | wxFLAGS_MEMBER(wxSL_SELRANGE) | |
108 | wxFLAGS_MEMBER(wxSL_INVERSE) | |
109 | ||
110 | wxEND_FLAGS( wxSliderStyle ) | |
111 | ||
112 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxSlider, wxControl,"wx/scrolbar.h") | |
113 | ||
114 | wxBEGIN_PROPERTIES_TABLE(wxSlider) | |
115 | wxEVENT_RANGE_PROPERTY( Scroll , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxScrollEvent ) | |
116 | wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SLIDER_UPDATED , wxCommandEvent ) | |
117 | ||
118 | wxPROPERTY( Value , int , SetValue, GetValue , 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
119 | wxPROPERTY( Minimum , int , SetMin, GetMin, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
120 | wxPROPERTY( Maximum , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
121 | wxPROPERTY( PageSize , int , SetPageSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
122 | wxPROPERTY( LineSize , int , SetLineSize, GetLineSize, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
123 | wxPROPERTY( ThumbLength , int , SetThumbLength, GetThumbLength, 1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) | |
124 | wxPROPERTY_FLAGS( WindowStyle , wxSliderStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style | |
125 | wxEND_PROPERTIES_TABLE() | |
126 | ||
127 | wxBEGIN_HANDLERS_TABLE(wxSlider) | |
128 | wxEND_HANDLERS_TABLE() | |
129 | ||
130 | wxCONSTRUCTOR_8( wxSlider , wxWindow* , Parent , wxWindowID , Id , int , Value , int , Minimum , int , Maximum , wxPoint , Position , wxSize , Size , long , WindowStyle ) | |
131 | #else | |
132 | IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl) | |
133 | #endif | |
134 | ||
135 | // ============================================================================ | |
136 | // wxSlider implementation | |
137 | // ============================================================================ | |
138 | ||
139 | // ---------------------------------------------------------------------------- | |
140 | // construction | |
141 | // ---------------------------------------------------------------------------- | |
142 | ||
143 | void wxSlider::Init() | |
144 | { | |
145 | m_labels = NULL; | |
146 | ||
147 | m_pageSize = 1; | |
148 | m_lineSize = 1; | |
149 | m_rangeMax = 0; | |
150 | m_rangeMin = 0; | |
151 | m_tickFreq = 0; | |
152 | ||
153 | m_isDragging = false; | |
154 | } | |
155 | ||
156 | bool | |
157 | wxSlider::Create(wxWindow *parent, | |
158 | wxWindowID id, | |
159 | int value, | |
160 | int minValue, | |
161 | int maxValue, | |
162 | const wxPoint& pos, | |
163 | const wxSize& size, | |
164 | long style, | |
165 | const wxValidator& validator, | |
166 | const wxString& name) | |
167 | { | |
168 | // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and | |
169 | // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility | |
170 | // reasons we can't really change it, instead try to infer the orientation | |
171 | // from the flags given to us here | |
172 | switch ( style & (wxSL_LEFT | wxSL_RIGHT | wxSL_TOP | wxSL_BOTTOM) ) | |
173 | { | |
174 | case wxSL_LEFT: | |
175 | case wxSL_RIGHT: | |
176 | style |= wxSL_VERTICAL; | |
177 | break; | |
178 | ||
179 | case wxSL_TOP: | |
180 | case wxSL_BOTTOM: | |
181 | style |= wxSL_HORIZONTAL; | |
182 | break; | |
183 | ||
184 | case 0: | |
185 | // no specific direction, do we have at least the orientation? | |
186 | if ( !(style & (wxSL_HORIZONTAL | wxSL_VERTICAL)) ) | |
187 | { | |
188 | // no, choose default | |
189 | style |= wxSL_BOTTOM | wxSL_HORIZONTAL; | |
190 | } | |
191 | }; | |
192 | ||
193 | wxASSERT_MSG( !(style & wxSL_VERTICAL) | !(style & wxSL_HORIZONTAL), | |
194 | _T("incompatible slider direction and orientation") ); | |
195 | ||
196 | ||
197 | // initialize everything | |
198 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) | |
199 | return false; | |
200 | ||
201 | // ensure that we have correct values for GetLabelsSize() | |
202 | m_rangeMin = minValue; | |
203 | m_rangeMax = maxValue; | |
204 | ||
205 | // create the labels first, so that our DoGetBestSize() could take them | |
206 | // into account | |
207 | // | |
208 | // note that we could simply create 3 wxStaticTexts here but it could | |
209 | // result in some observable side effects at wx level (e.g. the parent of | |
210 | // wxSlider would have 3 more children than expected) and so we prefer not | |
211 | // to do it like this | |
212 | if ( m_windowStyle & wxSL_LABELS ) | |
213 | { | |
214 | m_labels = new wxSubwindows(SliderLabel_Last); | |
215 | ||
216 | HWND hwndParent = GetHwndOf(parent); | |
217 | for ( size_t n = 0; n < SliderLabel_Last; n++ ) | |
218 | { | |
219 | (*m_labels)[n] = ::CreateWindow | |
220 | ( | |
221 | wxT("STATIC"), | |
222 | NULL, | |
223 | WS_CHILD | WS_VISIBLE | SS_CENTER, | |
224 | 0, 0, 0, 0, | |
225 | hwndParent, | |
226 | (HMENU)NewControlId(), | |
227 | wxGetInstance(), | |
228 | NULL | |
229 | ); | |
230 | } | |
231 | ||
232 | m_labels->SetFont(GetFont()); | |
233 | } | |
234 | ||
235 | // now create the main control too | |
236 | if ( !MSWCreateControl(TRACKBAR_CLASS, wxEmptyString, pos, size) ) | |
237 | return false; | |
238 | ||
239 | // and initialize everything | |
240 | SetRange(minValue, maxValue); | |
241 | SetValue(value); | |
242 | SetPageSize((maxValue - minValue)/10); | |
243 | ||
244 | // we need to position the labels correctly if we have them and if | |
245 | // SetSize() hadn't been called before (when best size was determined by | |
246 | // MSWCreateControl()) as in this case they haven't been put in place yet | |
247 | if ( m_labels && size.x != wxDefaultCoord && size.y != wxDefaultCoord ) | |
248 | { | |
249 | SetSize(size); | |
250 | } | |
251 | ||
252 | return true; | |
253 | } | |
254 | ||
255 | WXDWORD wxSlider::MSWGetStyle(long style, WXDWORD *exstyle) const | |
256 | { | |
257 | WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); | |
258 | ||
259 | // TBS_HORZ, TBS_RIGHT and TBS_BOTTOM are 0 but do include them for clarity | |
260 | msStyle |= style & wxSL_VERTICAL ? TBS_VERT : TBS_HORZ; | |
261 | ||
262 | if ( style & wxSL_BOTH ) | |
263 | { | |
264 | // this fully specifies the style combined with TBS_VERT/HORZ above | |
265 | msStyle |= TBS_BOTH; | |
266 | } | |
267 | else // choose one direction | |
268 | { | |
269 | if ( style & wxSL_LEFT ) | |
270 | msStyle |= TBS_LEFT; | |
271 | else if ( style & wxSL_RIGHT ) | |
272 | msStyle |= TBS_RIGHT; | |
273 | else if ( style & wxSL_TOP ) | |
274 | msStyle |= TBS_TOP; | |
275 | else if ( style & wxSL_BOTTOM ) | |
276 | msStyle |= TBS_BOTTOM; | |
277 | } | |
278 | ||
279 | if ( style & wxSL_AUTOTICKS ) | |
280 | msStyle |= TBS_AUTOTICKS; | |
281 | else | |
282 | msStyle |= TBS_NOTICKS; | |
283 | ||
284 | if ( style & wxSL_SELRANGE ) | |
285 | msStyle |= TBS_ENABLESELRANGE; | |
286 | ||
287 | return msStyle; | |
288 | } | |
289 | ||
290 | wxSlider::~wxSlider() | |
291 | { | |
292 | delete m_labels; | |
293 | } | |
294 | ||
295 | // ---------------------------------------------------------------------------- | |
296 | // event handling | |
297 | // ---------------------------------------------------------------------------- | |
298 | ||
299 | bool wxSlider::MSWOnScroll(int WXUNUSED(orientation), | |
300 | WXWORD wParam, | |
301 | WXWORD WXUNUSED(pos), | |
302 | WXHWND control) | |
303 | { | |
304 | wxEventType scrollEvent; | |
305 | switch ( wParam ) | |
306 | { | |
307 | case SB_TOP: | |
308 | scrollEvent = wxEVT_SCROLL_TOP; | |
309 | break; | |
310 | ||
311 | case SB_BOTTOM: | |
312 | scrollEvent = wxEVT_SCROLL_BOTTOM; | |
313 | break; | |
314 | ||
315 | case SB_LINEUP: | |
316 | scrollEvent = wxEVT_SCROLL_LINEUP; | |
317 | break; | |
318 | ||
319 | case SB_LINEDOWN: | |
320 | scrollEvent = wxEVT_SCROLL_LINEDOWN; | |
321 | break; | |
322 | ||
323 | case SB_PAGEUP: | |
324 | scrollEvent = wxEVT_SCROLL_PAGEUP; | |
325 | break; | |
326 | ||
327 | case SB_PAGEDOWN: | |
328 | scrollEvent = wxEVT_SCROLL_PAGEDOWN; | |
329 | break; | |
330 | ||
331 | case SB_THUMBTRACK: | |
332 | scrollEvent = wxEVT_SCROLL_THUMBTRACK; | |
333 | m_isDragging = true; | |
334 | break; | |
335 | ||
336 | case SB_THUMBPOSITION: | |
337 | if ( m_isDragging ) | |
338 | { | |
339 | scrollEvent = wxEVT_SCROLL_THUMBRELEASE; | |
340 | m_isDragging = false; | |
341 | } | |
342 | else | |
343 | { | |
344 | // this seems to only happen when the mouse wheel is used: in | |
345 | // this case, as it might be unexpected to get THUMBRELEASE | |
346 | // without preceding THUMBTRACKs, we don't generate it at all | |
347 | // but generate CHANGED event because the control itself does | |
348 | // not send us SB_ENDSCROLL for whatever reason when mouse | |
349 | // wheel is used | |
350 | scrollEvent = wxEVT_SCROLL_CHANGED; | |
351 | } | |
352 | break; | |
353 | ||
354 | case SB_ENDSCROLL: | |
355 | scrollEvent = wxEVT_SCROLL_CHANGED; | |
356 | break; | |
357 | ||
358 | default: | |
359 | // unknown scroll event? | |
360 | return false; | |
361 | } | |
362 | ||
363 | int newPos = ValueInvertOrNot((int) ::SendMessage((HWND) control, TBM_GETPOS, 0, 0)); | |
364 | if ( (newPos < GetMin()) || (newPos > GetMax()) ) | |
365 | { | |
366 | // out of range - but we did process it | |
367 | return true; | |
368 | } | |
369 | ||
370 | SetValue(newPos); | |
371 | ||
372 | wxScrollEvent event(scrollEvent, m_windowId); | |
373 | event.SetPosition(newPos); | |
374 | event.SetEventObject( this ); | |
375 | GetEventHandler()->ProcessEvent(event); | |
376 | ||
377 | wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() ); | |
378 | cevent.SetInt( newPos ); | |
379 | cevent.SetEventObject( this ); | |
380 | ||
381 | return GetEventHandler()->ProcessEvent( cevent ); | |
382 | } | |
383 | ||
384 | void wxSlider::Command (wxCommandEvent & event) | |
385 | { | |
386 | SetValue (event.GetInt()); | |
387 | ProcessCommand (event); | |
388 | } | |
389 | ||
390 | // ---------------------------------------------------------------------------- | |
391 | // geometry stuff | |
392 | // ---------------------------------------------------------------------------- | |
393 | ||
394 | wxRect wxSlider::GetBoundingBox() const | |
395 | { | |
396 | // take care not to call our own functions which would call us recursively | |
397 | int x, y, w, h; | |
398 | wxSliderBase::DoGetPosition(&x, &y); | |
399 | wxSliderBase::DoGetSize(&w, &h); | |
400 | ||
401 | wxRect rect(x, y, w, h); | |
402 | if ( m_labels ) | |
403 | { | |
404 | wxRect lrect = m_labels->GetBoundingBox(); | |
405 | GetParent()->ScreenToClient(&lrect.x, &lrect.y); | |
406 | rect.Union(lrect); | |
407 | } | |
408 | ||
409 | return rect; | |
410 | } | |
411 | ||
412 | void wxSlider::DoGetSize(int *width, int *height) const | |
413 | { | |
414 | wxRect rect = GetBoundingBox(); | |
415 | ||
416 | if ( width ) | |
417 | *width = rect.width; | |
418 | if ( height ) | |
419 | *height = rect.height; | |
420 | } | |
421 | ||
422 | void wxSlider::DoGetPosition(int *x, int *y) const | |
423 | { | |
424 | wxRect rect = GetBoundingBox(); | |
425 | ||
426 | if ( x ) | |
427 | *x = rect.x; | |
428 | if ( y ) | |
429 | *y = rect.y; | |
430 | } | |
431 | ||
432 | int wxSlider::GetLabelsSize(int *width) const | |
433 | { | |
434 | int cy; | |
435 | ||
436 | if ( width ) | |
437 | { | |
438 | // find the max label width | |
439 | int wLabelMin, wLabelMax; | |
440 | GetTextExtent(Format(m_rangeMin), &wLabelMin, &cy); | |
441 | GetTextExtent(Format(m_rangeMax), &wLabelMax, &cy); | |
442 | ||
443 | *width = wxMax(wLabelMin, wLabelMax); | |
444 | } | |
445 | else | |
446 | { | |
447 | cy = GetCharHeight(); | |
448 | } | |
449 | ||
450 | return EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); | |
451 | } | |
452 | ||
453 | void wxSlider::DoMoveWindow(int x, int y, int width, int height) | |
454 | { | |
455 | // all complications below are because we need to position the labels, | |
456 | // without them everything is easy | |
457 | if ( !m_labels ) | |
458 | { | |
459 | wxSliderBase::DoMoveWindow(x, y, width, height); | |
460 | return; | |
461 | } | |
462 | ||
463 | // if our parent had prepared a defer window handle for us, use it (unless | |
464 | // we are a top level window) | |
465 | wxWindowMSW *parent = GetParent(); | |
466 | ||
467 | #if USE_DEFERRED_SIZING | |
468 | HDWP hdwp = parent && !IsTopLevel() ? (HDWP)parent->m_hDWP : NULL; | |
469 | #else | |
470 | HDWP hdwp = 0; | |
471 | #endif | |
472 | ||
473 | // be careful to position the slider itself after moving the labels as | |
474 | // otherwise our GetBoundingBox(), which is called from WM_SIZE handler, | |
475 | // would return a wrong result and wrong size would be cached internally | |
476 | if ( HasFlag(wxSL_VERTICAL) ) | |
477 | { | |
478 | int wLabel; | |
479 | int hLabel = GetLabelsSize(&wLabel); | |
480 | ||
481 | int xLabel = HasFlag(wxSL_LEFT) ? x + width - wLabel : x; | |
482 | ||
483 | // position all labels: min at the top, value in the middle and max at | |
484 | // the bottom | |
485 | wxMoveWindowDeferred(hdwp, this, (*m_labels)[SliderLabel_Min], | |
486 | xLabel, y, wLabel, hLabel); | |
487 | ||
488 | wxMoveWindowDeferred(hdwp, this, (*m_labels)[SliderLabel_Value], | |
489 | xLabel, y + (height - hLabel)/2, wLabel, hLabel); | |
490 | ||
491 | wxMoveWindowDeferred(hdwp, this, (*m_labels)[SliderLabel_Max], | |
492 | xLabel, y + height - hLabel, wLabel, hLabel); | |
493 | ||
494 | // position the slider itself along the left/right edge | |
495 | wxMoveWindowDeferred(hdwp, this, GetHwnd(), | |
496 | HasFlag(wxSL_LEFT) ? x : x + wLabel + HGAP, | |
497 | y + hLabel/2, | |
498 | width - wLabel - HGAP, | |
499 | height - hLabel); | |
500 | } | |
501 | else // horizontal | |
502 | { | |
503 | int wLabel; | |
504 | int hLabel = GetLabelsSize(&wLabel); | |
505 | ||
506 | int yLabel = HasFlag(wxSL_TOP) ? y + height - hLabel : y; | |
507 | ||
508 | // position all labels: min on the left, value in the middle and max to | |
509 | // the right | |
510 | wxMoveWindowDeferred(hdwp, this, (*m_labels)[SliderLabel_Min], | |
511 | x, yLabel, wLabel, hLabel); | |
512 | ||
513 | wxMoveWindowDeferred(hdwp, this, (*m_labels)[SliderLabel_Value], | |
514 | x + (width - wLabel)/2, yLabel, wLabel, hLabel); | |
515 | ||
516 | wxMoveWindowDeferred(hdwp, this, (*m_labels)[SliderLabel_Max], | |
517 | x + width - wLabel, yLabel, wLabel, hLabel); | |
518 | ||
519 | // position the slider itself along the top/bottom edge | |
520 | wxMoveWindowDeferred(hdwp, this, GetHwnd(), | |
521 | x, | |
522 | HasFlag(wxSL_TOP) ? y : y + hLabel, | |
523 | width, | |
524 | height - hLabel); | |
525 | } | |
526 | ||
527 | #if USE_DEFERRED_SIZING | |
528 | if ( parent ) | |
529 | { | |
530 | // hdwp must be updated as it may have been changed | |
531 | parent->m_hDWP = (WXHANDLE)hdwp; | |
532 | } | |
533 | #endif | |
534 | } | |
535 | ||
536 | wxSize wxSlider::DoGetBestSize() const | |
537 | { | |
538 | // these values are arbitrary | |
539 | static const int length = 100; | |
540 | static const int thumb = 24; | |
541 | static const int ticks = 8; | |
542 | ||
543 | int *width; | |
544 | wxSize size; | |
545 | if ( HasFlag(wxSL_VERTICAL) ) | |
546 | { | |
547 | size.x = thumb; | |
548 | size.y = length; | |
549 | width = &size.x; | |
550 | ||
551 | if ( m_labels ) | |
552 | { | |
553 | int wLabel; | |
554 | int hLabel = GetLabelsSize(&wLabel); | |
555 | ||
556 | // account for the labels | |
557 | size.x += HGAP + wLabel; | |
558 | ||
559 | // labels are indented relative to the slider itself | |
560 | size.y += hLabel; | |
561 | } | |
562 | } | |
563 | else // horizontal | |
564 | { | |
565 | size.x = length; | |
566 | size.y = thumb; | |
567 | width = &size.y; | |
568 | ||
569 | if ( m_labels ) | |
570 | { | |
571 | // labels add extra height | |
572 | size.y += GetLabelsSize(); | |
573 | } | |
574 | } | |
575 | ||
576 | // need extra space to show ticks | |
577 | if ( HasFlag(wxSL_TICKS) ) | |
578 | { | |
579 | *width += ticks; | |
580 | ||
581 | // and maybe twice as much if we show them on both sides | |
582 | if ( HasFlag(wxSL_BOTH) ) | |
583 | *width += ticks; | |
584 | } | |
585 | ||
586 | return size; | |
587 | } | |
588 | ||
589 | // ---------------------------------------------------------------------------- | |
590 | // slider-specific methods | |
591 | // ---------------------------------------------------------------------------- | |
592 | ||
593 | int wxSlider::GetValue() const | |
594 | { | |
595 | return ValueInvertOrNot(::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0)); | |
596 | } | |
597 | ||
598 | void wxSlider::SetValue(int value) | |
599 | { | |
600 | ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)ValueInvertOrNot(value)); | |
601 | ||
602 | if ( m_labels ) | |
603 | { | |
604 | ::SetWindowText((*m_labels)[SliderLabel_Value], Format(value)); | |
605 | } | |
606 | } | |
607 | ||
608 | void wxSlider::SetRange(int minValue, int maxValue) | |
609 | { | |
610 | m_rangeMin = minValue; | |
611 | m_rangeMax = maxValue; | |
612 | ||
613 | ::SendMessage(GetHwnd(), TBM_SETRANGEMIN, TRUE, m_rangeMin); | |
614 | ::SendMessage(GetHwnd(), TBM_SETRANGEMAX, TRUE, m_rangeMax); | |
615 | ||
616 | if ( m_labels ) | |
617 | { | |
618 | ::SetWindowText((*m_labels)[SliderLabel_Min], Format(ValueInvertOrNot(m_rangeMin))); | |
619 | ::SetWindowText((*m_labels)[SliderLabel_Max], Format(ValueInvertOrNot(m_rangeMax))); | |
620 | } | |
621 | } | |
622 | ||
623 | void wxSlider::SetTickFreq(int n, int pos) | |
624 | { | |
625 | m_tickFreq = n; | |
626 | ::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos ); | |
627 | } | |
628 | ||
629 | void wxSlider::SetPageSize(int pageSize) | |
630 | { | |
631 | ::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize ); | |
632 | m_pageSize = pageSize; | |
633 | } | |
634 | ||
635 | int wxSlider::GetPageSize() const | |
636 | { | |
637 | return m_pageSize; | |
638 | } | |
639 | ||
640 | void wxSlider::ClearSel() | |
641 | { | |
642 | ::SendMessage(GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0); | |
643 | } | |
644 | ||
645 | void wxSlider::ClearTicks() | |
646 | { | |
647 | ::SendMessage(GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0); | |
648 | } | |
649 | ||
650 | void wxSlider::SetLineSize(int lineSize) | |
651 | { | |
652 | m_lineSize = lineSize; | |
653 | ::SendMessage(GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize); | |
654 | } | |
655 | ||
656 | int wxSlider::GetLineSize() const | |
657 | { | |
658 | return (int)::SendMessage(GetHwnd(), TBM_GETLINESIZE, 0, 0); | |
659 | } | |
660 | ||
661 | int wxSlider::GetSelEnd() const | |
662 | { | |
663 | return (int)::SendMessage(GetHwnd(), TBM_SETSELEND, 0, 0); | |
664 | } | |
665 | ||
666 | int wxSlider::GetSelStart() const | |
667 | { | |
668 | return (int)::SendMessage(GetHwnd(), TBM_GETSELSTART, 0, 0); | |
669 | } | |
670 | ||
671 | void wxSlider::SetSelection(int minPos, int maxPos) | |
672 | { | |
673 | ::SendMessage(GetHwnd(), TBM_SETSEL, | |
674 | (WPARAM) TRUE /* redraw */, | |
675 | (LPARAM) MAKELONG( minPos, maxPos) ); | |
676 | } | |
677 | ||
678 | void wxSlider::SetThumbLength(int len) | |
679 | { | |
680 | ::SendMessage(GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0); | |
681 | } | |
682 | ||
683 | int wxSlider::GetThumbLength() const | |
684 | { | |
685 | return (int)::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, 0, 0); | |
686 | } | |
687 | ||
688 | void wxSlider::SetTick(int tickPos) | |
689 | { | |
690 | ::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos ); | |
691 | } | |
692 | ||
693 | // ---------------------------------------------------------------------------- | |
694 | // composite control methods | |
695 | // ---------------------------------------------------------------------------- | |
696 | ||
697 | WXHWND wxSlider::GetStaticMin() const | |
698 | { | |
699 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Min] : NULL; | |
700 | } | |
701 | ||
702 | WXHWND wxSlider::GetStaticMax() const | |
703 | { | |
704 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Max] : NULL; | |
705 | } | |
706 | ||
707 | WXHWND wxSlider::GetEditValue() const | |
708 | { | |
709 | return m_labels ? (WXHWND)(*m_labels)[SliderLabel_Value] : NULL; | |
710 | } | |
711 | ||
712 | WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(wxSlider, wxSliderBase, m_labels) | |
713 | ||
714 | #endif // wxUSE_SLIDER |