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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/bmpbuttn.cpp
3 // Purpose: wxBitmapButton
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // For compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #if wxUSE_BMPBUTTON
20
21 #ifndef WX_PRECOMP
22 #include "wx/bmpbuttn.h"
23 #include "wx/log.h"
24 #include "wx/dcmemory.h"
25 #endif
26
27 #include "wx/msw/private.h"
28 #include "wx/image.h"
29 #include "wx/msw/uxtheme.h"
30
31 // ----------------------------------------------------------------------------
32 // macros
33 // ----------------------------------------------------------------------------
34
35 #if wxUSE_EXTENDED_RTTI
36
37 WX_DEFINE_FLAGS( wxBitmapButtonStyle )
38
39 wxBEGIN_FLAGS( wxBitmapButtonStyle )
40 // new style border flags, we put them first to
41 // use them for streaming out
42 wxFLAGS_MEMBER(wxBORDER_SIMPLE)
43 wxFLAGS_MEMBER(wxBORDER_SUNKEN)
44 wxFLAGS_MEMBER(wxBORDER_DOUBLE)
45 wxFLAGS_MEMBER(wxBORDER_RAISED)
46 wxFLAGS_MEMBER(wxBORDER_STATIC)
47 wxFLAGS_MEMBER(wxBORDER_NONE)
48
49 // old style border flags
50 wxFLAGS_MEMBER(wxSIMPLE_BORDER)
51 wxFLAGS_MEMBER(wxSUNKEN_BORDER)
52 wxFLAGS_MEMBER(wxDOUBLE_BORDER)
53 wxFLAGS_MEMBER(wxRAISED_BORDER)
54 wxFLAGS_MEMBER(wxSTATIC_BORDER)
55 wxFLAGS_MEMBER(wxBORDER)
56
57 // standard window styles
58 wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
59 wxFLAGS_MEMBER(wxCLIP_CHILDREN)
60 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
61 wxFLAGS_MEMBER(wxWANTS_CHARS)
62 wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
63 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
64 wxFLAGS_MEMBER(wxVSCROLL)
65 wxFLAGS_MEMBER(wxHSCROLL)
66
67 wxFLAGS_MEMBER(wxBU_AUTODRAW)
68 wxFLAGS_MEMBER(wxBU_LEFT)
69 wxFLAGS_MEMBER(wxBU_RIGHT)
70 wxFLAGS_MEMBER(wxBU_TOP)
71 wxFLAGS_MEMBER(wxBU_BOTTOM)
72 wxEND_FLAGS( wxBitmapButtonStyle )
73
74 IMPLEMENT_DYNAMIC_CLASS_XTI(wxBitmapButton, wxButton,"wx/bmpbuttn.h")
75
76 wxBEGIN_PROPERTIES_TABLE(wxBitmapButton)
77 wxPROPERTY_FLAGS( WindowStyle , wxBitmapButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
78 wxEND_PROPERTIES_TABLE()
79
80 wxBEGIN_HANDLERS_TABLE(wxBitmapButton)
81 wxEND_HANDLERS_TABLE()
82
83 wxCONSTRUCTOR_5( wxBitmapButton , wxWindow* , Parent , wxWindowID , Id , wxBitmap , Bitmap , wxPoint , Position , wxSize , Size )
84
85 #else
86 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
87 #endif
88
89 BEGIN_EVENT_TABLE(wxBitmapButton, wxBitmapButtonBase)
90 EVT_SYS_COLOUR_CHANGED(wxBitmapButton::OnSysColourChanged)
91 EVT_ENTER_WINDOW(wxBitmapButton::OnMouseEnterOrLeave)
92 EVT_LEAVE_WINDOW(wxBitmapButton::OnMouseEnterOrLeave)
93 END_EVENT_TABLE()
94
95 /*
96 TODO PROPERTIES :
97
98 long "style" , wxBU_AUTODRAW
99 bool "default" , 0
100 bitmap "selected" ,
101 bitmap "focus" ,
102 bitmap "disabled" ,
103 */
104
105 bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
106 const wxBitmap& bitmap,
107 const wxPoint& pos,
108 const wxSize& size, long style,
109 const wxValidator& wxVALIDATOR_PARAM(validator),
110 const wxString& name)
111 {
112 m_bmpNormal = bitmap;
113 SetName(name);
114
115 #if wxUSE_VALIDATORS
116 SetValidator(validator);
117 #endif // wxUSE_VALIDATORS
118
119 parent->AddChild(this);
120
121 m_backgroundColour = parent->GetBackgroundColour();
122 m_foregroundColour = parent->GetForegroundColour();
123 m_windowStyle = style;
124
125 if ( style & wxBU_AUTODRAW )
126 {
127 m_marginX =
128 m_marginY = 4;
129 }
130
131 if (id == wxID_ANY)
132 m_windowId = NewControlId();
133 else
134 m_windowId = id;
135
136 long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;
137
138 if ( m_windowStyle & wxCLIP_SIBLINGS )
139 msStyle |= WS_CLIPSIBLINGS;
140
141 #ifdef __WIN32__
142 if(m_windowStyle & wxBU_LEFT)
143 msStyle |= BS_LEFT;
144 if(m_windowStyle & wxBU_RIGHT)
145 msStyle |= BS_RIGHT;
146 if(m_windowStyle & wxBU_TOP)
147 msStyle |= BS_TOP;
148 if(m_windowStyle & wxBU_BOTTOM)
149 msStyle |= BS_BOTTOM;
150 #endif
151
152 m_hWnd = (WXHWND) CreateWindowEx(
153 0,
154 wxT("BUTTON"),
155 wxEmptyString,
156 msStyle,
157 0, 0, 0, 0,
158 GetWinHwnd(parent),
159 (HMENU)m_windowId,
160 wxGetInstance(),
161 NULL
162 );
163
164 // Subclass again for purposes of dialog editing mode
165 SubclassWin(m_hWnd);
166
167 SetPosition(pos);
168 SetBestSize(size);
169
170 return true;
171 }
172
173 bool wxBitmapButton::SetBackgroundColour(const wxColour& colour)
174 {
175 if ( !wxBitmapButtonBase::SetBackgroundColour(colour) )
176 {
177 // didn't change
178 return false;
179 }
180
181 // invalidate the brush, it will be recreated the next time it's needed
182 m_brushDisabled = wxNullBrush;
183
184 return true;
185 }
186
187 void wxBitmapButton::OnSysColourChanged(wxSysColourChangedEvent& event)
188 {
189 m_brushDisabled = wxNullBrush;
190
191 if ( !IsEnabled() )
192 {
193 // this change affects our current state
194 Refresh();
195 }
196
197 event.Skip();
198 }
199
200 void wxBitmapButton::OnMouseEnterOrLeave(wxMouseEvent& event)
201 {
202 if ( IsEnabled() && m_bmpHover.Ok() )
203 Refresh();
204
205 event.Skip();
206 }
207
208 void wxBitmapButton::OnSetBitmap()
209 {
210 // if the focus bitmap is specified but hover one isn't, use the focus
211 // bitmap for hovering as well if this is consistent with the current
212 // Windows version look and feel
213 //
214 // rationale: this is compatible with the old wxGTK behaviour and also
215 // makes it much easier to do "the right thing" for all platforms (some of
216 // them, such as Windows XP, have "hot" buttons while others don't)
217 if ( !m_bmpHover.Ok() &&
218 m_bmpFocus.Ok() &&
219 wxUxThemeEngine::GetIfActive() )
220 {
221 m_bmpHover = m_bmpFocus;
222 }
223
224 // this will redraw us
225 wxBitmapButtonBase::OnSetBitmap();
226 }
227
228 // VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
229 #define FOCUS_MARGIN 3
230
231 bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
232 {
233 #ifndef __WXWINCE__
234 long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
235 if (style & BS_BITMAP)
236 {
237 // Let default procedure draw the bitmap, which is defined
238 // in the Windows resource.
239 return false;
240 }
241 #endif
242
243 LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
244 HDC hDC = lpDIS->hDC;
245 UINT state = lpDIS->itemState;
246 bool isSelected = (state & ODS_SELECTED) != 0;
247 bool autoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
248
249
250 // choose the bitmap to use depending on the button state
251 wxBitmap *bitmap;
252
253 if ( isSelected && m_bmpSelected.Ok() )
254 bitmap = &m_bmpSelected;
255 else if ( m_bmpHover.Ok() && IsMouseInWindow() )
256 bitmap = &m_bmpHover;
257 else if ((state & ODS_FOCUS) && m_bmpFocus.Ok())
258 bitmap = &m_bmpFocus;
259 else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok())
260 bitmap = &m_bmpDisabled;
261 else
262 bitmap = &m_bmpNormal;
263
264 if ( !bitmap->Ok() )
265 return false;
266
267 // centre the bitmap in the control area
268 int x = lpDIS->rcItem.left;
269 int y = lpDIS->rcItem.top;
270 int width = lpDIS->rcItem.right - x;
271 int height = lpDIS->rcItem.bottom - y;
272 int wBmp = bitmap->GetWidth();
273 int hBmp = bitmap->GetHeight();
274
275 int x1,y1;
276
277 if(m_windowStyle & wxBU_LEFT)
278 x1 = x + (FOCUS_MARGIN+1);
279 else if(m_windowStyle & wxBU_RIGHT)
280 x1 = x + (width - wBmp) - (FOCUS_MARGIN+1);
281 else
282 x1 = x + (width - wBmp) / 2;
283
284 if(m_windowStyle & wxBU_TOP)
285 y1 = y + (FOCUS_MARGIN+1);
286 else if(m_windowStyle & wxBU_BOTTOM)
287 y1 = y + (height - hBmp) - (FOCUS_MARGIN+1);
288 else
289 y1 = y + (height - hBmp) / 2;
290
291 if ( isSelected && autoDraw )
292 {
293 x1++;
294 y1++;
295 }
296
297 // draw the face, if auto-drawing
298 if ( autoDraw )
299 {
300 DrawFace((WXHDC) hDC,
301 lpDIS->rcItem.left, lpDIS->rcItem.top,
302 lpDIS->rcItem.right, lpDIS->rcItem.bottom,
303 isSelected);
304 }
305
306 // draw the bitmap
307 wxDCTemp dst((WXHDC)hDC);
308 dst.DrawBitmap(*bitmap, x1, y1, true);
309
310 // draw focus / disabled state, if auto-drawing
311 if ( (state & ODS_DISABLED) && autoDraw )
312 {
313 DrawButtonDisable((WXHDC) hDC,
314 lpDIS->rcItem.left, lpDIS->rcItem.top,
315 lpDIS->rcItem.right, lpDIS->rcItem.bottom,
316 true);
317 }
318 else if ( (state & ODS_FOCUS) && autoDraw )
319 {
320 DrawButtonFocus((WXHDC) hDC,
321 lpDIS->rcItem.left,
322 lpDIS->rcItem.top,
323 lpDIS->rcItem.right,
324 lpDIS->rcItem.bottom,
325 isSelected);
326 }
327
328 return true;
329 }
330
331 // GRG Feb/2000, support for bmp buttons with Win95/98 standard LNF
332
333 void wxBitmapButton::DrawFace( WXHDC dc, int left, int top,
334 int right, int bottom, bool sel )
335 {
336 HPEN oldp;
337 HPEN penHiLight;
338 HPEN penLight;
339 HPEN penShadow;
340 HPEN penDkShadow;
341 HBRUSH brushFace;
342
343 // create needed pens and brush
344 penHiLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHILIGHT));
345 penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT));
346 penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW));
347 penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW));
348 // brushFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
349 // Taking the background colour fits in better with
350 // Windows XP themes.
351 brushFace = CreateSolidBrush(m_backgroundColour.m_pixel);
352
353 // draw the rectangle
354 RECT rect;
355 rect.left = left;
356 rect.right = right;
357 rect.top = top;
358 rect.bottom = bottom;
359 FillRect((HDC) dc, &rect, brushFace);
360
361 // draw the border
362 oldp = (HPEN) SelectObject( (HDC) dc, sel? penDkShadow : penHiLight);
363
364 wxDrawLine((HDC) dc, left, top, right-1, top);
365 wxDrawLine((HDC) dc, left, top+1, left, bottom-1);
366
367 SelectObject( (HDC) dc, sel? penShadow : penLight);
368 wxDrawLine((HDC) dc, left+1, top+1, right-2, top+1);
369 wxDrawLine((HDC) dc, left+1, top+2, left+1, bottom-2);
370
371 SelectObject( (HDC) dc, sel? penLight : penShadow);
372 wxDrawLine((HDC) dc, left+1, bottom-2, right-1, bottom-2);
373 wxDrawLine((HDC) dc, right-2, bottom-3, right-2, top);
374
375 SelectObject( (HDC) dc, sel? penHiLight : penDkShadow);
376 wxDrawLine((HDC) dc, left, bottom-1, right+2, bottom-1);
377 wxDrawLine((HDC) dc, right-1, bottom-2, right-1, top-1);
378
379 // delete allocated resources
380 SelectObject((HDC) dc,oldp);
381 DeleteObject(penHiLight);
382 DeleteObject(penLight);
383 DeleteObject(penShadow);
384 DeleteObject(penDkShadow);
385 DeleteObject(brushFace);
386 }
387
388 void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right,
389 int bottom, bool WXUNUSED(sel) )
390 {
391 RECT rect;
392 rect.left = left;
393 rect.top = top;
394 rect.right = right;
395 rect.bottom = bottom;
396 InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN );
397
398 // GRG: the focus rectangle should not move when the button is pushed!
399 /*
400 if ( sel )
401 OffsetRect( &rect, 1, 1 );
402 */
403
404 DrawFocusRect( (HDC) dc, &rect );
405 }
406
407 void
408 wxBitmapButton::DrawButtonDisable( WXHDC dc,
409 int left, int top, int right, int bottom,
410 bool with_marg )
411 {
412 if ( !m_brushDisabled.Ok() )
413 {
414 // draw a bitmap with two black and two background colour pixels
415 wxBitmap bmp(2, 2);
416 wxMemoryDC dc;
417 dc.SelectObject(bmp);
418 dc.SetPen(*wxBLACK_PEN);
419 dc.DrawPoint(0, 0);
420 dc.DrawPoint(1, 1);
421 dc.SetPen(GetBackgroundColour());
422 dc.DrawPoint(0, 1);
423 dc.DrawPoint(1, 0);
424
425 m_brushDisabled = wxBrush(bmp);
426 }
427
428 SelectInHDC selectBrush((HDC)dc, GetHbrushOf(m_brushDisabled));
429
430 // ROP for "dest |= pattern" operation -- as it doesn't have a standard
431 // name, give it our own
432 static const DWORD PATTERNPAINT = 0xFA0089UL;
433
434 if ( with_marg )
435 {
436 left += m_marginX;
437 top += m_marginY;
438 right -= 2 * m_marginX;
439 bottom -= 2 * m_marginY;
440 }
441
442 ::PatBlt( (HDC) dc, left, top, right, bottom, PATTERNPAINT);
443 }
444
445 void wxBitmapButton::SetDefault()
446 {
447 wxButton::SetDefault();
448 }
449
450 wxSize wxBitmapButton::DoGetBestSize() const
451 {
452 if ( m_bmpNormal.Ok() )
453 {
454 wxSize best(m_bmpNormal.GetWidth() + 2*m_marginX,
455 m_bmpNormal.GetHeight() + 2*m_marginY);
456 CacheBestSize(best);
457 return best;
458 }
459
460 // no idea what our best size should be, defer to the base class
461 return wxBitmapButtonBase::DoGetBestSize();
462 }
463
464 #endif // wxUSE_BMPBUTTON