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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: 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 and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
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 | #ifndef WX_PRECOMP | |
24 | #include "wx/bmpbuttn.h" | |
25 | #include "wx/log.h" | |
26 | #include "wx/dcmemory.h" | |
27 | #endif | |
28 | ||
29 | #include "wx/msw/private.h" | |
30 | ||
31 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton) | |
32 | ||
33 | #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1) | |
34 | ||
35 | bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap, | |
36 | const wxPoint& pos, | |
37 | const wxSize& size, long style, | |
38 | const wxValidator& validator, | |
39 | const wxString& name) | |
40 | { | |
41 | m_buttonBitmap = bitmap; | |
42 | SetName(name); | |
43 | ||
44 | #if wxUSE_VALIDATORS | |
45 | SetValidator(validator); | |
46 | #endif // wxUSE_VALIDATORS | |
47 | ||
48 | parent->AddChild(this); | |
49 | ||
50 | m_backgroundColour = parent->GetBackgroundColour(); | |
51 | m_foregroundColour = parent->GetForegroundColour(); | |
52 | m_windowStyle = style; | |
53 | m_marginX = 0; | |
54 | m_marginY = 0; | |
55 | ||
56 | if ( style & wxBU_AUTODRAW ) | |
57 | { | |
58 | m_marginX = wxDEFAULT_BUTTON_MARGIN; | |
59 | m_marginY = wxDEFAULT_BUTTON_MARGIN; | |
60 | } | |
61 | ||
62 | int x = pos.x; | |
63 | int y = pos.y; | |
64 | int width = size.x; | |
65 | int height = size.y; | |
66 | ||
67 | if (id == -1) | |
68 | m_windowId = NewControlId(); | |
69 | else | |
70 | m_windowId = id; | |
71 | ||
72 | if ( width == -1 && bitmap.Ok()) | |
73 | width = bitmap.GetWidth() + 2*m_marginX; | |
74 | ||
75 | if ( height == -1 && bitmap.Ok()) | |
76 | height = bitmap.GetHeight() + 2*m_marginY; | |
77 | ||
78 | m_hWnd = (WXHWND)CreateWindowEx | |
79 | ( | |
80 | 0, | |
81 | wxT("BUTTON"), | |
82 | wxT(""), | |
83 | WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW , | |
84 | 0, 0, 0, 0, | |
85 | GetWinHwnd(parent), | |
86 | (HMENU)m_windowId, | |
87 | wxGetInstance(), | |
88 | NULL | |
89 | ); | |
90 | ||
91 | // Subclass again for purposes of dialog editing mode | |
92 | SubclassWin(m_hWnd); | |
93 | ||
94 | SetFont(parent->GetFont()); | |
95 | ||
96 | SetSize(x, y, width, height); | |
97 | ||
98 | return TRUE; | |
99 | } | |
100 | ||
101 | void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap) | |
102 | { | |
103 | m_buttonBitmap = bitmap; | |
104 | } | |
105 | ||
106 | bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item) | |
107 | { | |
108 | #if defined(__WIN95__) | |
109 | long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE); | |
110 | if (style & BS_BITMAP) | |
111 | { | |
112 | // Let default procedure draw the bitmap, which is defined | |
113 | // in the Windows resource. | |
114 | return FALSE; | |
115 | } | |
116 | #endif | |
117 | ||
118 | LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item; | |
119 | HDC hDC = lpDIS->hDC; | |
120 | UINT state = lpDIS->itemState; | |
121 | bool isSelected = (state & ODS_SELECTED) != 0; | |
122 | bool autoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0; | |
123 | ||
124 | ||
125 | // choose the bitmap to use depending on the button state | |
126 | wxBitmap* bitmap; | |
127 | ||
128 | if ( isSelected && m_buttonBitmapSelected.Ok() ) | |
129 | bitmap = &m_buttonBitmapSelected; | |
130 | else if ((state & ODS_FOCUS) && m_buttonBitmapFocus.Ok()) | |
131 | bitmap = &m_buttonBitmapFocus; | |
132 | else if ((state & ODS_DISABLED) && m_buttonBitmapDisabled.Ok()) | |
133 | bitmap = &m_buttonBitmapDisabled; | |
134 | else | |
135 | bitmap = &m_buttonBitmap; | |
136 | ||
137 | if ( !bitmap->Ok() ) | |
138 | return FALSE; | |
139 | ||
140 | // centre the bitmap in the control area | |
141 | int x = lpDIS->rcItem.left; | |
142 | int y = lpDIS->rcItem.top; | |
143 | int width = lpDIS->rcItem.right - x; | |
144 | int height = lpDIS->rcItem.bottom - y; | |
145 | int wBmp = bitmap->GetWidth(); | |
146 | int hBmp = bitmap->GetHeight(); | |
147 | int x1 = x + (width - wBmp) / 2; | |
148 | int y1 = y + (height - hBmp) / 2; | |
149 | ||
150 | if ( isSelected && autoDraw ) | |
151 | { | |
152 | x1++; | |
153 | y1++; | |
154 | } | |
155 | ||
156 | // draw the face, if auto-drawing | |
157 | if ( autoDraw ) | |
158 | { | |
159 | DrawFace((WXHDC) hDC, | |
160 | lpDIS->rcItem.left, lpDIS->rcItem.top, | |
161 | lpDIS->rcItem.right, lpDIS->rcItem.bottom, | |
162 | isSelected); | |
163 | } | |
164 | ||
165 | // draw the bitmap | |
166 | wxDC dst; | |
167 | dst.SetHDC((WXHDC) hDC, FALSE); | |
168 | dst.DrawBitmap(*bitmap, x1, y1, TRUE); | |
169 | ||
170 | // draw focus / disabled state, if auto-drawing | |
171 | if ( (state & ODS_DISABLED) && autoDraw ) | |
172 | { | |
173 | DrawButtonDisable((WXHDC) hDC, | |
174 | lpDIS->rcItem.left, lpDIS->rcItem.top, | |
175 | lpDIS->rcItem.right, lpDIS->rcItem.bottom, | |
176 | TRUE); | |
177 | } | |
178 | else if ( (state & ODS_FOCUS) && autoDraw ) | |
179 | { | |
180 | DrawButtonFocus((WXHDC) hDC, | |
181 | lpDIS->rcItem.left, | |
182 | lpDIS->rcItem.top, | |
183 | lpDIS->rcItem.right, | |
184 | lpDIS->rcItem.bottom, | |
185 | isSelected); | |
186 | } | |
187 | ||
188 | return TRUE; | |
189 | } | |
190 | ||
191 | // GRG Feb/2000, support for bmp buttons with Win95/98 standard LNF | |
192 | ||
193 | #if defined(__WIN95__) | |
194 | ||
195 | void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel ) | |
196 | { | |
197 | HPEN oldp; | |
198 | HPEN penHiLight; | |
199 | HPEN penLight; | |
200 | HPEN penShadow; | |
201 | HPEN penDkShadow; | |
202 | HBRUSH brushFace; | |
203 | ||
204 | // create needed pens and brush | |
205 | penHiLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHILIGHT)); | |
206 | penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT)); | |
207 | penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW)); | |
208 | penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW)); | |
209 | brushFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE)); | |
210 | ||
211 | // draw the rectangle | |
212 | RECT rect; | |
213 | rect.left = left; | |
214 | rect.right = right; | |
215 | rect.top = top; | |
216 | rect.bottom = bottom; | |
217 | FillRect((HDC) dc, &rect, brushFace); | |
218 | ||
219 | // draw the border | |
220 | oldp = (HPEN) SelectObject( (HDC) dc, sel? penDkShadow : penHiLight); | |
221 | MoveToEx((HDC) dc, left, top, NULL); LineTo((HDC) dc, right-1, top); | |
222 | MoveToEx((HDC) dc, left, top+1, NULL); LineTo((HDC) dc, left, bottom-1); | |
223 | ||
224 | SelectObject( (HDC) dc, sel? penShadow : penLight); | |
225 | MoveToEx((HDC) dc, left+1, top+1, NULL); LineTo((HDC) dc, right-2, top+1); | |
226 | MoveToEx((HDC) dc, left+1, top+2, NULL); LineTo((HDC) dc, left+1, bottom-2); | |
227 | ||
228 | SelectObject( (HDC) dc, sel? penLight : penShadow); | |
229 | MoveToEx((HDC) dc, left+1, bottom-2, NULL); LineTo((HDC) dc, right-1, bottom-2); | |
230 | MoveToEx((HDC) dc, right-2, bottom-3, NULL); LineTo((HDC) dc, right-2, top); | |
231 | ||
232 | SelectObject( (HDC) dc, sel? penHiLight : penDkShadow); | |
233 | MoveToEx((HDC) dc, left, bottom-1, NULL); LineTo((HDC) dc, right+2, bottom-1); | |
234 | MoveToEx((HDC) dc, right-1, bottom-2, NULL); LineTo((HDC) dc, right-1, top-1); | |
235 | ||
236 | // delete allocated resources | |
237 | SelectObject((HDC) dc,oldp); | |
238 | DeleteObject(penHiLight); | |
239 | DeleteObject(penLight); | |
240 | DeleteObject(penShadow); | |
241 | DeleteObject(penDkShadow); | |
242 | DeleteObject(brushFace); | |
243 | } | |
244 | ||
245 | #else | |
246 | ||
247 | void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel ) | |
248 | { | |
249 | HPEN oldp; | |
250 | HPEN penBorder; | |
251 | HPEN penLight; | |
252 | HPEN penShadow; | |
253 | HBRUSH brushFace; | |
254 | ||
255 | // create needed pens and brush | |
256 | penBorder = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWFRAME)); | |
257 | penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW)); | |
258 | penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNHIGHLIGHT)); | |
259 | brushFace = CreateSolidBrush(COLOR_BTNFACE); | |
260 | ||
261 | // draw the rectangle | |
262 | RECT rect; | |
263 | rect.left = left; | |
264 | rect.right = right; | |
265 | rect.top = top; | |
266 | rect.bottom = bottom; | |
267 | FillRect((HDC) dc, &rect, brushFace); | |
268 | ||
269 | // draw the border | |
270 | oldp = (HPEN) SelectObject( (HDC) dc, penBorder); | |
271 | MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top); | |
272 | MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1); | |
273 | MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1); | |
274 | MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1); | |
275 | ||
276 | SelectObject( (HDC) dc, penShadow); | |
277 | if (sel) | |
278 | { | |
279 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL); | |
280 | LineTo((HDC) dc, left+1 ,top+1); | |
281 | LineTo((HDC) dc, right-2 ,top+1); | |
282 | } | |
283 | else | |
284 | { | |
285 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL); | |
286 | LineTo((HDC) dc, right-2 ,bottom-2); | |
287 | LineTo((HDC) dc, right-2 ,top); | |
288 | ||
289 | MoveToEx((HDC) dc,left+2 ,bottom-3 ,NULL); | |
290 | LineTo((HDC) dc, right-3 ,bottom-3); | |
291 | LineTo((HDC) dc, right-3 ,top+1); | |
292 | ||
293 | SelectObject( (HDC) dc, penLight); | |
294 | ||
295 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL); | |
296 | LineTo((HDC) dc, left+1 ,top+1); | |
297 | LineTo((HDC) dc, right-2 ,top+1); | |
298 | } | |
299 | ||
300 | // delete allocated resources | |
301 | SelectObject((HDC) dc,oldp); | |
302 | DeleteObject(penBorder); | |
303 | DeleteObject(penLight); | |
304 | DeleteObject(penShadow); | |
305 | DeleteObject(brushFace); | |
306 | } | |
307 | ||
308 | #endif // defined(__WIN95__) | |
309 | ||
310 | ||
311 | // VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN | |
312 | #define FOCUS_MARGIN 3 | |
313 | ||
314 | void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel ) | |
315 | { | |
316 | RECT rect; | |
317 | rect.left = left; | |
318 | rect.top = top; | |
319 | rect.right = right; | |
320 | rect.bottom = bottom; | |
321 | InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN ); | |
322 | ||
323 | // GRG: the focus rectangle should not move when the button is pushed! | |
324 | /* | |
325 | if ( sel ) | |
326 | OffsetRect( &rect, 1, 1 ); | |
327 | */ | |
328 | DrawFocusRect( (HDC) dc, &rect ); | |
329 | } | |
330 | ||
331 | extern HBRUSH wxDisableButtonBrush; | |
332 | void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg ) | |
333 | { | |
334 | HBRUSH old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush ); | |
335 | ||
336 | // VZ: what's this?? there is no such ROP AFAIK | |
337 | #ifdef __SALFORDC__ | |
338 | DWORD dwRop = 0xFA0089L; | |
339 | #else | |
340 | DWORD dwRop = 0xFA0089UL; | |
341 | #endif | |
342 | ||
343 | if ( with_marg ) | |
344 | { | |
345 | left += m_marginX; | |
346 | top += m_marginY; | |
347 | right -= 2 * m_marginX; | |
348 | bottom -= 2 * m_marginY; | |
349 | } | |
350 | ||
351 | ::PatBlt( (HDC) dc, left, top, right, bottom, dwRop); | |
352 | ||
353 | ::SelectObject( (HDC) dc, old ); | |
354 | } | |
355 | ||
356 | void wxBitmapButton::SetDefault() | |
357 | { | |
358 | wxButton::SetDefault(); | |
359 | } |