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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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
13 | #pragma implementation "bmpbuttn.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #if wxUSE_BMPBUTTON | |
24 | ||
25 | #ifndef WX_PRECOMP | |
26 | #include "wx/bmpbuttn.h" | |
27 | #include "wx/log.h" | |
28 | #include "wx/dcmemory.h" | |
29 | #endif | |
30 | ||
31 | #include "wx/msw/private.h" | |
32 | ||
33 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton) | |
34 | ||
35 | /* | |
36 | TODO PROPERTIES : | |
37 | ||
38 | long "style" , wxBU_AUTODRAW | |
39 | bool "default" , 0 | |
40 | bitmap "selected" , | |
41 | bitmap "focus" , | |
42 | bitmap "disabled" , | |
43 | */ | |
44 | ||
45 | #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1) | |
46 | ||
47 | bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap, | |
48 | const wxPoint& pos, | |
49 | const wxSize& size, long style, | |
50 | const wxValidator& validator, | |
51 | const wxString& name) | |
52 | { | |
53 | m_bmpNormal = bitmap; | |
54 | SetName(name); | |
55 | ||
56 | #if wxUSE_VALIDATORS | |
57 | SetValidator(validator); | |
58 | #endif // wxUSE_VALIDATORS | |
59 | ||
60 | parent->AddChild(this); | |
61 | ||
62 | m_backgroundColour = parent->GetBackgroundColour(); | |
63 | m_foregroundColour = parent->GetForegroundColour(); | |
64 | m_windowStyle = style; | |
65 | ||
66 | if ( style & wxBU_AUTODRAW ) | |
67 | { | |
68 | m_marginX = wxDEFAULT_BUTTON_MARGIN; | |
69 | m_marginY = wxDEFAULT_BUTTON_MARGIN; | |
70 | } | |
71 | ||
72 | int x = pos.x; | |
73 | int y = pos.y; | |
74 | int width = size.x; | |
75 | int height = size.y; | |
76 | ||
77 | if (id == -1) | |
78 | m_windowId = NewControlId(); | |
79 | else | |
80 | m_windowId = id; | |
81 | ||
82 | if ( width == -1 && bitmap.Ok()) | |
83 | width = bitmap.GetWidth() + 2*m_marginX; | |
84 | ||
85 | if ( height == -1 && bitmap.Ok()) | |
86 | height = bitmap.GetHeight() + 2*m_marginY; | |
87 | ||
88 | long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ; | |
89 | ||
90 | if ( m_windowStyle & wxCLIP_SIBLINGS ) | |
91 | msStyle |= WS_CLIPSIBLINGS; | |
92 | ||
93 | #ifdef __WIN32__ | |
94 | if(m_windowStyle & wxBU_LEFT) | |
95 | msStyle |= BS_LEFT; | |
96 | if(m_windowStyle & wxBU_RIGHT) | |
97 | msStyle |= BS_RIGHT; | |
98 | if(m_windowStyle & wxBU_TOP) | |
99 | msStyle |= BS_TOP; | |
100 | if(m_windowStyle & wxBU_BOTTOM) | |
101 | msStyle |= BS_BOTTOM; | |
102 | #endif | |
103 | ||
104 | m_hWnd = (WXHWND)CreateWindowEx | |
105 | ( | |
106 | 0, | |
107 | wxT("BUTTON"), | |
108 | wxEmptyString, | |
109 | msStyle, | |
110 | 0, 0, 0, 0, | |
111 | GetWinHwnd(parent), | |
112 | (HMENU)m_windowId, | |
113 | wxGetInstance(), | |
114 | NULL | |
115 | ); | |
116 | ||
117 | // Subclass again for purposes of dialog editing mode | |
118 | SubclassWin(m_hWnd); | |
119 | ||
120 | SetFont(parent->GetFont()); | |
121 | ||
122 | SetSize(x, y, width, height); | |
123 | ||
124 | return TRUE; | |
125 | } | |
126 | ||
127 | // VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN | |
128 | #define FOCUS_MARGIN 3 | |
129 | ||
130 | bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item) | |
131 | { | |
132 | #ifndef __WXWINCE__ | |
133 | long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE); | |
134 | if (style & BS_BITMAP) | |
135 | { | |
136 | // Let default procedure draw the bitmap, which is defined | |
137 | // in the Windows resource. | |
138 | return FALSE; | |
139 | } | |
140 | #endif | |
141 | ||
142 | LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item; | |
143 | HDC hDC = lpDIS->hDC; | |
144 | UINT state = lpDIS->itemState; | |
145 | bool isSelected = (state & ODS_SELECTED) != 0; | |
146 | bool autoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0; | |
147 | ||
148 | ||
149 | // choose the bitmap to use depending on the button state | |
150 | wxBitmap* bitmap; | |
151 | ||
152 | if ( isSelected && m_bmpSelected.Ok() ) | |
153 | bitmap = &m_bmpSelected; | |
154 | else if ((state & ODS_FOCUS) && m_bmpFocus.Ok()) | |
155 | bitmap = &m_bmpFocus; | |
156 | else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok()) | |
157 | bitmap = &m_bmpDisabled; | |
158 | else | |
159 | bitmap = &m_bmpNormal; | |
160 | ||
161 | if ( !bitmap->Ok() ) | |
162 | return FALSE; | |
163 | ||
164 | // centre the bitmap in the control area | |
165 | int x = lpDIS->rcItem.left; | |
166 | int y = lpDIS->rcItem.top; | |
167 | int width = lpDIS->rcItem.right - x; | |
168 | int height = lpDIS->rcItem.bottom - y; | |
169 | int wBmp = bitmap->GetWidth(); | |
170 | int hBmp = bitmap->GetHeight(); | |
171 | ||
172 | int x1,y1; | |
173 | ||
174 | if(m_windowStyle & wxBU_LEFT) | |
175 | x1 = x + (FOCUS_MARGIN+1); | |
176 | else if(m_windowStyle & wxBU_RIGHT) | |
177 | x1 = x + (width - wBmp) - (FOCUS_MARGIN+1); | |
178 | else | |
179 | x1 = x + (width - wBmp) / 2; | |
180 | ||
181 | if(m_windowStyle & wxBU_TOP) | |
182 | y1 = y + (FOCUS_MARGIN+1); | |
183 | else if(m_windowStyle & wxBU_BOTTOM) | |
184 | y1 = y + (height - hBmp) - (FOCUS_MARGIN+1); | |
185 | else | |
186 | y1 = y + (height - hBmp) / 2; | |
187 | ||
188 | if ( isSelected && autoDraw ) | |
189 | { | |
190 | x1++; | |
191 | y1++; | |
192 | } | |
193 | ||
194 | // draw the face, if auto-drawing | |
195 | if ( autoDraw ) | |
196 | { | |
197 | DrawFace((WXHDC) hDC, | |
198 | lpDIS->rcItem.left, lpDIS->rcItem.top, | |
199 | lpDIS->rcItem.right, lpDIS->rcItem.bottom, | |
200 | isSelected); | |
201 | } | |
202 | ||
203 | // draw the bitmap | |
204 | wxDC dst; | |
205 | dst.SetHDC((WXHDC) hDC, FALSE); | |
206 | dst.DrawBitmap(*bitmap, x1, y1, TRUE); | |
207 | ||
208 | // draw focus / disabled state, if auto-drawing | |
209 | if ( (state & ODS_DISABLED) && autoDraw ) | |
210 | { | |
211 | DrawButtonDisable((WXHDC) hDC, | |
212 | lpDIS->rcItem.left, lpDIS->rcItem.top, | |
213 | lpDIS->rcItem.right, lpDIS->rcItem.bottom, | |
214 | TRUE); | |
215 | } | |
216 | else if ( (state & ODS_FOCUS) && autoDraw ) | |
217 | { | |
218 | DrawButtonFocus((WXHDC) hDC, | |
219 | lpDIS->rcItem.left, | |
220 | lpDIS->rcItem.top, | |
221 | lpDIS->rcItem.right, | |
222 | lpDIS->rcItem.bottom, | |
223 | isSelected); | |
224 | } | |
225 | ||
226 | return TRUE; | |
227 | } | |
228 | ||
229 | // GRG Feb/2000, support for bmp buttons with Win95/98 standard LNF | |
230 | ||
231 | #if defined(__WIN95__) | |
232 | ||
233 | void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel ) | |
234 | { | |
235 | HPEN oldp; | |
236 | HPEN penHiLight; | |
237 | HPEN penLight; | |
238 | HPEN penShadow; | |
239 | HPEN penDkShadow; | |
240 | HBRUSH brushFace; | |
241 | ||
242 | // create needed pens and brush | |
243 | penHiLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHILIGHT)); | |
244 | penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT)); | |
245 | penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW)); | |
246 | penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW)); | |
247 | // brushFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE)); | |
248 | // Taking the background colour fits in better with | |
249 | // Windows XP themes. | |
250 | brushFace = CreateSolidBrush(m_backgroundColour.m_pixel); | |
251 | ||
252 | // draw the rectangle | |
253 | RECT rect; | |
254 | rect.left = left; | |
255 | rect.right = right; | |
256 | rect.top = top; | |
257 | rect.bottom = bottom; | |
258 | FillRect((HDC) dc, &rect, brushFace); | |
259 | ||
260 | // draw the border | |
261 | oldp = (HPEN) SelectObject( (HDC) dc, sel? penDkShadow : penHiLight); | |
262 | ||
263 | wxDrawLine((HDC) dc, left, top, right-1, top); | |
264 | wxDrawLine((HDC) dc, left, top+1, left, bottom-1); | |
265 | ||
266 | SelectObject( (HDC) dc, sel? penShadow : penLight); | |
267 | wxDrawLine((HDC) dc, left+1, top+1, right-2, top+1); | |
268 | wxDrawLine((HDC) dc, left+1, top+2, left+1, bottom-2); | |
269 | ||
270 | SelectObject( (HDC) dc, sel? penLight : penShadow); | |
271 | wxDrawLine((HDC) dc, left+1, bottom-2, right-1, bottom-2); | |
272 | wxDrawLine((HDC) dc, right-2, bottom-3, right-2, top); | |
273 | ||
274 | SelectObject( (HDC) dc, sel? penHiLight : penDkShadow); | |
275 | wxDrawLine((HDC) dc, left, bottom-1, right+2, bottom-1); | |
276 | wxDrawLine((HDC) dc, right-1, bottom-2, right-1, top-1); | |
277 | ||
278 | // delete allocated resources | |
279 | SelectObject((HDC) dc,oldp); | |
280 | DeleteObject(penHiLight); | |
281 | DeleteObject(penLight); | |
282 | DeleteObject(penShadow); | |
283 | DeleteObject(penDkShadow); | |
284 | DeleteObject(brushFace); | |
285 | } | |
286 | ||
287 | #else | |
288 | ||
289 | void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel ) | |
290 | { | |
291 | HPEN oldp; | |
292 | HPEN penBorder; | |
293 | HPEN penLight; | |
294 | HPEN penShadow; | |
295 | HBRUSH brushFace; | |
296 | ||
297 | // create needed pens and brush | |
298 | penBorder = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWFRAME)); | |
299 | penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW)); | |
300 | penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNHIGHLIGHT)); | |
301 | brushFace = CreateSolidBrush(COLOR_BTNFACE); | |
302 | ||
303 | // draw the rectangle | |
304 | RECT rect; | |
305 | rect.left = left; | |
306 | rect.right = right; | |
307 | rect.top = top; | |
308 | rect.bottom = bottom; | |
309 | FillRect((HDC) dc, &rect, brushFace); | |
310 | ||
311 | // draw the border | |
312 | oldp = (HPEN) SelectObject( (HDC) dc, penBorder); | |
313 | MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top); | |
314 | MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1); | |
315 | MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1); | |
316 | MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1); | |
317 | ||
318 | SelectObject( (HDC) dc, penShadow); | |
319 | if (sel) | |
320 | { | |
321 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL); | |
322 | LineTo((HDC) dc, left+1 ,top+1); | |
323 | LineTo((HDC) dc, right-2 ,top+1); | |
324 | } | |
325 | else | |
326 | { | |
327 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL); | |
328 | LineTo((HDC) dc, right-2 ,bottom-2); | |
329 | LineTo((HDC) dc, right-2 ,top); | |
330 | ||
331 | MoveToEx((HDC) dc,left+2 ,bottom-3 ,NULL); | |
332 | LineTo((HDC) dc, right-3 ,bottom-3); | |
333 | LineTo((HDC) dc, right-3 ,top+1); | |
334 | ||
335 | SelectObject( (HDC) dc, penLight); | |
336 | ||
337 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL); | |
338 | LineTo((HDC) dc, left+1 ,top+1); | |
339 | LineTo((HDC) dc, right-2 ,top+1); | |
340 | } | |
341 | ||
342 | // delete allocated resources | |
343 | SelectObject((HDC) dc,oldp); | |
344 | DeleteObject(penBorder); | |
345 | DeleteObject(penLight); | |
346 | DeleteObject(penShadow); | |
347 | DeleteObject(brushFace); | |
348 | } | |
349 | ||
350 | #endif // defined(__WIN95__) | |
351 | ||
352 | ||
353 | void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel ) | |
354 | { | |
355 | RECT rect; | |
356 | rect.left = left; | |
357 | rect.top = top; | |
358 | rect.right = right; | |
359 | rect.bottom = bottom; | |
360 | InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN ); | |
361 | ||
362 | // GRG: the focus rectangle should not move when the button is pushed! | |
363 | /* | |
364 | if ( sel ) | |
365 | OffsetRect( &rect, 1, 1 ); | |
366 | */ | |
367 | (void)sel; | |
368 | DrawFocusRect( (HDC) dc, &rect ); | |
369 | } | |
370 | ||
371 | extern HBRUSH wxDisableButtonBrush; | |
372 | void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg ) | |
373 | { | |
374 | HBRUSH old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush ); | |
375 | ||
376 | // VZ: what's this?? there is no such ROP AFAIK | |
377 | #ifdef __SALFORDC__ | |
378 | DWORD dwRop = 0xFA0089L; | |
379 | #else | |
380 | DWORD dwRop = 0xFA0089UL; | |
381 | #endif | |
382 | ||
383 | if ( with_marg ) | |
384 | { | |
385 | left += m_marginX; | |
386 | top += m_marginY; | |
387 | right -= 2 * m_marginX; | |
388 | bottom -= 2 * m_marginY; | |
389 | } | |
390 | ||
391 | ::PatBlt( (HDC) dc, left, top, right, bottom, dwRop); | |
392 | ||
393 | ::SelectObject( (HDC) dc, old ); | |
394 | } | |
395 | ||
396 | void wxBitmapButton::SetDefault() | |
397 | { | |
398 | wxButton::SetDefault(); | |
399 | } | |
400 | ||
401 | #endif // wxUSE_BMPBUTTON |