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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: generic/renderg.cpp | |
3 | // Purpose: generic implementation of wxRendererNative (for any platform) | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 20.07.2003 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org> | |
9 | // License: wxWindows license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | // for compilers that support precompilation, includes "wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
27 | #ifndef WX_PRECOMP | |
28 | #include "wx/string.h" | |
29 | #endif //WX_PRECOMP | |
30 | ||
31 | #include "wx/gdicmn.h" | |
32 | #include "wx/dc.h" | |
33 | ||
34 | #include "wx/settings.h" | |
35 | #include "wx/splitter.h" | |
36 | #include "wx/dcmirror.h" | |
37 | #include "wx/module.h" | |
38 | #include "wx/renderer.h" | |
39 | ||
40 | // ---------------------------------------------------------------------------- | |
41 | // wxRendererGeneric: our wxRendererNative implementation | |
42 | // ---------------------------------------------------------------------------- | |
43 | ||
44 | class WXDLLEXPORT wxRendererGeneric : public wxRendererNative | |
45 | { | |
46 | public: | |
47 | wxRendererGeneric(); | |
48 | ||
49 | virtual void DrawHeaderButton(wxWindow *win, | |
50 | wxDC& dc, | |
51 | const wxRect& rect, | |
52 | int flags = 0); | |
53 | ||
54 | virtual void DrawTreeItemButton(wxWindow *win, | |
55 | wxDC& dc, | |
56 | const wxRect& rect, | |
57 | int flags = 0); | |
58 | ||
59 | virtual void DrawSplitterBorder(wxWindow *win, | |
60 | wxDC& dc, | |
61 | const wxRect& rect, | |
62 | int flags = 0); | |
63 | ||
64 | virtual void DrawSplitterSash(wxWindow *win, | |
65 | wxDC& dc, | |
66 | const wxSize& size, | |
67 | wxCoord position, | |
68 | wxOrientation orient, | |
69 | int flags = 0); | |
70 | ||
71 | virtual void DrawComboBoxDropButton(wxWindow *win, | |
72 | wxDC& dc, | |
73 | const wxRect& rect, | |
74 | int flags = 0); | |
75 | ||
76 | virtual void DrawDropArrow(wxWindow *win, | |
77 | wxDC& dc, | |
78 | const wxRect& rect, | |
79 | int flags = 0); | |
80 | ||
81 | virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win); | |
82 | ||
83 | virtual wxRendererVersion GetVersion() const | |
84 | { | |
85 | return wxRendererVersion(wxRendererVersion::Current_Version, | |
86 | wxRendererVersion::Current_Age); | |
87 | } | |
88 | ||
89 | ||
90 | // Cleanup by deleting standard renderer | |
91 | static void Cleanup(); | |
92 | ||
93 | // Get the generic object | |
94 | static wxRendererGeneric* DoGetGeneric(); | |
95 | ||
96 | protected: | |
97 | // draw the rectange using the first pen for the left and top sides and | |
98 | // the second one for the bottom and right ones | |
99 | void DrawShadedRect(wxDC& dc, wxRect *rect, | |
100 | const wxPen& pen1, const wxPen& pen2); | |
101 | ||
102 | // the standard pens | |
103 | wxPen m_penBlack, | |
104 | m_penDarkGrey, | |
105 | m_penLightGrey, | |
106 | m_penHighlight; | |
107 | ||
108 | static wxRendererGeneric* sm_rendererGeneric; | |
109 | }; | |
110 | ||
111 | // ============================================================================ | |
112 | // wxRendererGeneric implementation | |
113 | // ============================================================================ | |
114 | ||
115 | // Get the generic object | |
116 | wxRendererGeneric* wxRendererGeneric::DoGetGeneric() | |
117 | { | |
118 | if (!sm_rendererGeneric) | |
119 | sm_rendererGeneric = new wxRendererGeneric; | |
120 | return sm_rendererGeneric; | |
121 | } | |
122 | ||
123 | // ---------------------------------------------------------------------------- | |
124 | // wxRendererGeneric creation | |
125 | // ---------------------------------------------------------------------------- | |
126 | ||
127 | /* static */ | |
128 | wxRendererNative& wxRendererNative::GetGeneric() | |
129 | { | |
130 | return * wxRendererGeneric::DoGetGeneric(); | |
131 | } | |
132 | ||
133 | void wxRendererGeneric::Cleanup() | |
134 | { | |
135 | if (sm_rendererGeneric) | |
136 | delete sm_rendererGeneric; | |
137 | ||
138 | sm_rendererGeneric = NULL; | |
139 | } | |
140 | ||
141 | wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL; | |
142 | ||
143 | wxRendererGeneric::wxRendererGeneric() | |
144 | : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)), | |
145 | m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)), | |
146 | m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)), | |
147 | m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT)) | |
148 | { | |
149 | } | |
150 | ||
151 | // ---------------------------------------------------------------------------- | |
152 | // wxRendererGeneric helpers | |
153 | // ---------------------------------------------------------------------------- | |
154 | ||
155 | void | |
156 | wxRendererGeneric::DrawShadedRect(wxDC& dc, | |
157 | wxRect *rect, | |
158 | const wxPen& pen1, | |
159 | const wxPen& pen2) | |
160 | { | |
161 | // draw the rectangle | |
162 | dc.SetPen(pen1); | |
163 | dc.DrawLine(rect->GetLeft(), rect->GetTop(), | |
164 | rect->GetLeft(), rect->GetBottom()); | |
165 | dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(), | |
166 | rect->GetRight(), rect->GetTop()); | |
167 | dc.SetPen(pen2); | |
168 | dc.DrawLine(rect->GetRight(), rect->GetTop(), | |
169 | rect->GetRight(), rect->GetBottom()); | |
170 | dc.DrawLine(rect->GetLeft(), rect->GetBottom(), | |
171 | rect->GetRight() + 1, rect->GetBottom()); | |
172 | ||
173 | // adjust the rect | |
174 | rect->Inflate(-1); | |
175 | } | |
176 | ||
177 | // ---------------------------------------------------------------------------- | |
178 | // tree/list ctrl drawing | |
179 | // ---------------------------------------------------------------------------- | |
180 | ||
181 | void | |
182 | wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win), | |
183 | wxDC& dc, | |
184 | const wxRect& rect, | |
185 | int WXUNUSED(flags)) | |
186 | { | |
187 | const int CORNER = 1; | |
188 | ||
189 | const wxCoord x = rect.x, | |
190 | y = rect.y, | |
191 | w = rect.width, | |
192 | h = rect.height; | |
193 | ||
194 | dc.SetBrush(*wxTRANSPARENT_BRUSH); | |
195 | ||
196 | dc.SetPen(m_penBlack); | |
197 | dc.DrawLine( x+w-CORNER+1, y, x+w, y+h ); // right (outer) | |
198 | dc.DrawRectangle( x, y+h, w+1, 1 ); // bottom (outer) | |
199 | ||
200 | dc.SetPen(m_penDarkGrey); | |
201 | dc.DrawLine( x+w-CORNER, y, x+w-1, y+h ); // right (inner) | |
202 | dc.DrawRectangle( x+1, y+h-1, w-2, 1 ); // bottom (inner) | |
203 | ||
204 | dc.SetPen(m_penHighlight); | |
205 | dc.DrawRectangle( x, y, w-CORNER+1, 1 ); // top (outer) | |
206 | dc.DrawRectangle( x, y, 1, h ); // left (outer) | |
207 | dc.DrawLine( x, y+h-1, x+1, y+h-1 ); | |
208 | dc.DrawLine( x+w-1, y, x+w-1, y+1 ); | |
209 | } | |
210 | ||
211 | // draw the plus or minus sign | |
212 | void | |
213 | wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win), | |
214 | wxDC& dc, | |
215 | const wxRect& rect, | |
216 | int flags) | |
217 | { | |
218 | // white background | |
219 | dc.SetPen(*wxGREY_PEN); | |
220 | dc.SetBrush(*wxWHITE_BRUSH); | |
221 | dc.DrawRectangle(rect); | |
222 | ||
223 | // black lines | |
224 | const wxCoord xMiddle = rect.x + rect.width/2; | |
225 | const wxCoord yMiddle = rect.y + rect.height/2; | |
226 | ||
227 | // half of the length of the horz lines in "-" and "+" | |
228 | const wxCoord halfWidth = rect.width/2 - 2; | |
229 | dc.SetPen(*wxBLACK_PEN); | |
230 | dc.DrawLine(xMiddle - halfWidth, yMiddle, | |
231 | xMiddle + halfWidth + 1, yMiddle); | |
232 | ||
233 | if ( !(flags & wxCONTROL_EXPANDED) ) | |
234 | { | |
235 | // turn "-" into "+" | |
236 | const wxCoord halfHeight = rect.height/2 - 2; | |
237 | dc.DrawLine(xMiddle, yMiddle - halfHeight, | |
238 | xMiddle, yMiddle + halfHeight + 1); | |
239 | } | |
240 | } | |
241 | ||
242 | // ---------------------------------------------------------------------------- | |
243 | // sash drawing | |
244 | // ---------------------------------------------------------------------------- | |
245 | ||
246 | wxSplitterRenderParams | |
247 | wxRendererGeneric::GetSplitterParams(const wxWindow *win) | |
248 | { | |
249 | // see below | |
250 | wxCoord sashWidth, | |
251 | border; | |
252 | ||
253 | if ( win->HasFlag(wxSP_3DSASH) ) | |
254 | sashWidth = 7; | |
255 | else if ( win->HasFlag(wxSP_NOSASH) ) | |
256 | sashWidth = 0; | |
257 | else // no 3D effect | |
258 | sashWidth = 3; | |
259 | ||
260 | if ( win->HasFlag(wxSP_3DBORDER) ) | |
261 | border = 2; | |
262 | else // no 3D effect | |
263 | border = 0; | |
264 | ||
265 | return wxSplitterRenderParams(sashWidth, border, false); | |
266 | } | |
267 | ||
268 | void | |
269 | wxRendererGeneric::DrawSplitterBorder(wxWindow *win, | |
270 | wxDC& dc, | |
271 | const wxRect& rectOrig, | |
272 | int WXUNUSED(falgs)) | |
273 | { | |
274 | if ( win->HasFlag(wxSP_3DBORDER) ) | |
275 | { | |
276 | wxRect rect = rectOrig; | |
277 | DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight); | |
278 | DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey); | |
279 | } | |
280 | } | |
281 | ||
282 | void | |
283 | wxRendererGeneric::DrawSplitterSash(wxWindow *win, | |
284 | wxDC& dcReal, | |
285 | const wxSize& sizeReal, | |
286 | wxCoord position, | |
287 | wxOrientation orient, | |
288 | int WXUNUSED(flags)) | |
289 | { | |
290 | // to avoid duplicating the same code for horizontal and vertical sashes, | |
291 | // simply mirror the DC instead if needed (i.e. if horz splitter) | |
292 | wxMirrorDC dc(dcReal, orient != wxVERTICAL); | |
293 | wxSize size = dc.Reflect(sizeReal); | |
294 | ||
295 | ||
296 | // we draw a Win32-like grey sash with possible 3D border here: | |
297 | // | |
298 | // ---- this is position | |
299 | // / | |
300 | // v | |
301 | // dWGGGDd | |
302 | // GWGGGDB | |
303 | // GWGGGDB where G is light grey (face) | |
304 | // GWGGGDB W white (light) | |
305 | // GWGGGDB D dark grey (shadow) | |
306 | // GWGGGDB B black (dark shadow) | |
307 | // GWGGGDB | |
308 | // GWGGGDB and lower letters are our border (already drawn) | |
309 | // GWGGGDB | |
310 | // wWGGGDd | |
311 | // | |
312 | // only the middle 3 columns are drawn unless wxSP_3D is specified | |
313 | ||
314 | const wxCoord h = size.y; | |
315 | wxCoord offset = 0; | |
316 | ||
317 | // If we're drawing the border, draw the sash 3d lines shorter | |
318 | if ( win->HasFlag(wxSP_3DBORDER) ) | |
319 | { | |
320 | offset = 1; | |
321 | } | |
322 | ||
323 | dc.SetPen(*wxTRANSPARENT_PEN); | |
324 | dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE))); | |
325 | ||
326 | if ( win->HasFlag(wxSP_3DSASH) ) | |
327 | { | |
328 | // Draw the 3D sash | |
329 | dc.DrawRectangle(position + 2, 0, 3, h); | |
330 | ||
331 | dc.SetPen(m_penLightGrey); | |
332 | dc.DrawLine(position, offset, position, h - offset); | |
333 | ||
334 | dc.SetPen(m_penHighlight); | |
335 | dc.DrawLine(position + 1, 0, position + 1, h); | |
336 | ||
337 | dc.SetPen(m_penDarkGrey); | |
338 | dc.DrawLine(position + 5, 0, position + 5, h); | |
339 | ||
340 | dc.SetPen(m_penBlack); | |
341 | dc.DrawLine(position + 6, offset, position + 6, h - offset); | |
342 | } | |
343 | else | |
344 | { | |
345 | // Draw a flat sash | |
346 | dc.DrawRectangle(position, 0, 3, h); | |
347 | } | |
348 | } | |
349 | ||
350 | // ---------------------------------------------------------------------------- | |
351 | // button drawing | |
352 | // ---------------------------------------------------------------------------- | |
353 | ||
354 | void | |
355 | wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win, | |
356 | wxDC& dc, | |
357 | const wxRect& rect, | |
358 | int WXUNUSED(flags)) | |
359 | { | |
360 | // FIXME: Is it worth to do a better implementation? | |
361 | // Generic wxComboDropButton should be drawn using | |
362 | // combination of wxBitmapButton and DrawDropArrow | |
363 | // anyway. | |
364 | DrawDropArrow(win,dc,rect); | |
365 | } | |
366 | ||
367 | ||
368 | void | |
369 | wxRendererGeneric::DrawDropArrow(wxWindow *win, | |
370 | wxDC& dc, | |
371 | const wxRect& rect, | |
372 | int WXUNUSED(flags)) | |
373 | { | |
374 | // This generic implementation should be good | |
375 | // enough for Windows platforms (including XP). | |
376 | ||
377 | int arrowHalf = rect.width/5; | |
378 | int rectMid = rect.width / 2; | |
379 | int arrowTopY = (rect.height/2) - (arrowHalf/2); | |
380 | ||
381 | // This should always result in arrow with odd width. | |
382 | wxPoint pt[] = | |
383 | { | |
384 | wxPoint(rectMid - arrowHalf, arrowTopY), | |
385 | wxPoint(rectMid + arrowHalf, arrowTopY), | |
386 | wxPoint(rectMid, arrowTopY + arrowHalf) | |
387 | }; | |
388 | dc.SetBrush(wxBrush(win->GetForegroundColour())); | |
389 | dc.SetPen(wxPen(win->GetForegroundColour())); | |
390 | dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y); | |
391 | } | |
392 | ||
393 | // ---------------------------------------------------------------------------- | |
394 | // A module to allow cleanup of generic renderer. | |
395 | // ---------------------------------------------------------------------------- | |
396 | ||
397 | class wxGenericRendererModule: public wxModule | |
398 | { | |
399 | DECLARE_DYNAMIC_CLASS(wxGenericRendererModule) | |
400 | public: | |
401 | wxGenericRendererModule() {} | |
402 | bool OnInit() { return true; }; | |
403 | void OnExit() { wxRendererGeneric::Cleanup(); }; | |
404 | }; | |
405 | ||
406 | IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule) | |
407 |