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ecab4dba RR |
1 | /* |
2 | * Program: scrollsub | |
3 | * | |
4 | * Author: Robert Roebling | |
5 | * | |
6 | * Copyright: (C) 1999, Robert Roebling | |
7 | * | |
8 | */ | |
9 | ||
10 | // For compilers that support precompilation, includes "wx/wx.h". | |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #ifdef __BORLANDC__ | |
14 | #pragma hdrstop | |
15 | #endif | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/wx.h" | |
19 | #endif | |
20 | ||
21 | #include "wx/image.h" | |
22 | #include "wx/listctrl.h" | |
23 | #include "wx/sizer.h" | |
24 | #include "wx/log.h" | |
25 | ||
26 | ||
27 | // derived classes | |
28 | ||
29 | class MyFrame; | |
30 | class MyScrolledWindow; | |
31 | class MyCanvas; | |
32 | class MyApp; | |
33 | ||
34 | // MyScrolledWindow | |
35 | ||
36 | class MyScrolledWindow: public wxScrolledWindow | |
37 | { | |
38 | public: | |
39 | MyScrolledWindow() {} | |
40 | MyScrolledWindow( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size ); | |
41 | ~MyScrolledWindow(); | |
42 | void OnPaint( wxPaintEvent &event ); | |
43 | ||
44 | private: | |
45 | MyCanvas *m_canvas; | |
46 | ||
47 | DECLARE_DYNAMIC_CLASS(MyScrolledWindow) | |
48 | DECLARE_EVENT_TABLE() | |
49 | }; | |
50 | ||
dfd6b52f RR |
51 | // MyTopLabels |
52 | ||
53 | class MyTopLabels: public wxWindow | |
54 | { | |
55 | public: | |
56 | MyTopLabels() {} | |
57 | MyTopLabels( wxScrolledWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size ); | |
5f3286d1 | 58 | |
dfd6b52f | 59 | void OnPaint( wxPaintEvent &event ); |
5f3286d1 | 60 | |
dfd6b52f RR |
61 | private: |
62 | wxScrolledWindow *m_owner; | |
5f3286d1 | 63 | |
dfd6b52f RR |
64 | DECLARE_DYNAMIC_CLASS(MyTopLabels) |
65 | DECLARE_EVENT_TABLE() | |
66 | }; | |
67 | ||
68 | // MyRightLabels | |
69 | ||
70 | class MyRightLabels: public wxWindow | |
71 | { | |
72 | public: | |
73 | MyRightLabels() {} | |
74 | MyRightLabels( wxScrolledWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size ); | |
5f3286d1 | 75 | |
dfd6b52f | 76 | void OnPaint( wxPaintEvent &event ); |
5f3286d1 | 77 | |
dfd6b52f RR |
78 | private: |
79 | wxScrolledWindow *m_owner; | |
5f3286d1 | 80 | |
dfd6b52f RR |
81 | DECLARE_DYNAMIC_CLASS(MyRightLabels) |
82 | DECLARE_EVENT_TABLE() | |
83 | }; | |
84 | ||
ecab4dba RR |
85 | // MyCanvas |
86 | ||
87 | class MyCanvas: public wxPanel | |
88 | { | |
89 | public: | |
90 | MyCanvas() {} | |
dfd6b52f RR |
91 | MyCanvas( wxScrolledWindow *parent, MyTopLabels *top, MyRightLabels *right, |
92 | wxWindowID id, const wxPoint &pos, const wxSize &size ); | |
ecab4dba RR |
93 | ~MyCanvas(); |
94 | void OnPaint( wxPaintEvent &event ); | |
dfd6b52f | 95 | void ScrollWindow( int dx, int dy, const wxRect *rect ); |
ecab4dba RR |
96 | |
97 | private: | |
98 | wxScrolledWindow *m_owner; | |
dfd6b52f RR |
99 | MyTopLabels *m_topLabels; |
100 | MyRightLabels *m_rightLabels; | |
ecab4dba RR |
101 | |
102 | DECLARE_DYNAMIC_CLASS(MyCanvas) | |
103 | DECLARE_EVENT_TABLE() | |
104 | }; | |
105 | ||
106 | // MyFrame | |
107 | ||
108 | class MyFrame: public wxFrame | |
109 | { | |
110 | public: | |
111 | MyFrame(); | |
112 | ||
113 | void OnAbout( wxCommandEvent &event ); | |
114 | void OnQuit( wxCommandEvent &event ); | |
3d0c4d2e | 115 | void OnFullScreen( wxCommandEvent &event ); |
ecab4dba RR |
116 | |
117 | wxScrolledWindow *m_scrolled; | |
118 | wxTextCtrl *m_log; | |
119 | ||
120 | private: | |
121 | DECLARE_DYNAMIC_CLASS(MyFrame) | |
122 | DECLARE_EVENT_TABLE() | |
123 | }; | |
124 | ||
125 | // MyApp | |
126 | ||
127 | class MyApp: public wxApp | |
128 | { | |
129 | public: | |
130 | virtual bool OnInit(); | |
131 | }; | |
132 | ||
133 | // main program | |
134 | ||
135 | IMPLEMENT_APP(MyApp) | |
136 | ||
137 | // MyScrolledWindow | |
138 | ||
139 | IMPLEMENT_DYNAMIC_CLASS(MyScrolledWindow, wxScrolledWindow) | |
140 | ||
141 | BEGIN_EVENT_TABLE(MyScrolledWindow, wxScrolledWindow) | |
142 | EVT_PAINT( MyScrolledWindow::OnPaint) | |
143 | END_EVENT_TABLE() | |
144 | ||
145 | MyScrolledWindow::MyScrolledWindow( wxWindow *parent, wxWindowID id, | |
146 | const wxPoint &pos, const wxSize &size ) | |
147 | : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER, "test canvas" ) | |
148 | { | |
dfd6b52f RR |
149 | MyTopLabels *top = new MyTopLabels( this, -1, wxDefaultPosition, wxSize(-1,25) ); |
150 | MyRightLabels *right = new MyRightLabels( this, -1, wxDefaultPosition, wxSize(60,-1) ); | |
151 | ||
152 | m_canvas = new MyCanvas( this, top, right, -1, wxDefaultPosition, wxDefaultSize ); | |
5f3286d1 | 153 | |
ecab4dba RR |
154 | SetTargetWindow( m_canvas ); |
155 | ||
a60b1f5d | 156 | SetBackgroundColour( wxT("WHEAT") ); |
5f3286d1 | 157 | |
ecab4dba | 158 | SetCursor( wxCursor( wxCURSOR_HAND ) ); |
5f3286d1 | 159 | |
dfd6b52f | 160 | wxBoxSizer *mainsizer = new wxBoxSizer( wxVERTICAL ); |
5f3286d1 | 161 | |
dfd6b52f RR |
162 | wxBoxSizer *topsizer = new wxBoxSizer( wxHORIZONTAL ); |
163 | topsizer->Add( 60,25 ); | |
5f3286d1 VZ |
164 | topsizer->Add( top, 1, wxEXPAND ); |
165 | ||
dfd6b52f | 166 | mainsizer->Add( topsizer, 0, wxEXPAND ); |
5f3286d1 | 167 | |
dfd6b52f RR |
168 | wxBoxSizer *middlesizer = new wxBoxSizer( wxHORIZONTAL ); |
169 | middlesizer->Add( right, 0, wxEXPAND ); | |
170 | middlesizer->Add( m_canvas, 1, wxEXPAND ); | |
5f3286d1 | 171 | |
dfd6b52f | 172 | mainsizer->Add( middlesizer, 1, wxEXPAND ); |
ecab4dba RR |
173 | |
174 | SetAutoLayout( TRUE ); | |
dfd6b52f | 175 | SetSizer( mainsizer ); |
ecab4dba RR |
176 | } |
177 | ||
178 | MyScrolledWindow::~MyScrolledWindow() | |
179 | { | |
180 | } | |
181 | ||
182 | void MyScrolledWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) | |
183 | { | |
184 | wxPaintDC dc( this ); | |
185 | ||
dfd6b52f | 186 | /* |
ecab4dba | 187 | wxSize size( GetClientSize() ); |
5f3286d1 | 188 | |
ecab4dba RR |
189 | long w,h; |
190 | dc.GetTextExtent( wxT("Headline"), &w, &h ); | |
191 | ||
192 | dc.DrawText( wxT("Headline"), long (size.x / 2 - w / 2), 10 ); | |
dfd6b52f RR |
193 | */ |
194 | } | |
195 | ||
196 | // MyTopLabels | |
197 | ||
198 | IMPLEMENT_DYNAMIC_CLASS(MyTopLabels,wxWindow) | |
199 | ||
200 | BEGIN_EVENT_TABLE(MyTopLabels, wxWindow) | |
201 | EVT_PAINT( MyTopLabels::OnPaint) | |
202 | END_EVENT_TABLE() | |
203 | ||
204 | MyTopLabels::MyTopLabels( wxScrolledWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size ) | |
205 | : wxWindow( parent, id, pos, size ) | |
206 | { | |
207 | m_owner = parent; | |
208 | } | |
209 | ||
210 | void MyTopLabels::OnPaint( wxPaintEvent &event ) | |
211 | { | |
212 | wxPaintDC dc(this); | |
213 | m_owner->PrepareDC( dc ); | |
8f75cb6c RR |
214 | dc.DrawText( "Column 1", 5, 5 ); |
215 | dc.DrawText( "Column 2", 105, 5 ); | |
216 | dc.DrawText( "Column 3", 205, 5 ); | |
dfd6b52f RR |
217 | } |
218 | ||
219 | // MyRightLabels | |
220 | ||
221 | IMPLEMENT_DYNAMIC_CLASS(MyRightLabels,wxWindow) | |
222 | ||
223 | BEGIN_EVENT_TABLE(MyRightLabels, wxWindow) | |
224 | EVT_PAINT( MyRightLabels::OnPaint) | |
225 | END_EVENT_TABLE() | |
226 | ||
227 | MyRightLabels::MyRightLabels( wxScrolledWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size ) | |
228 | : wxWindow( parent, id, pos, size ) | |
229 | { | |
230 | m_owner = parent; | |
231 | } | |
232 | ||
233 | void MyRightLabels::OnPaint( wxPaintEvent &event ) | |
234 | { | |
235 | wxPaintDC dc(this); | |
236 | m_owner->PrepareDC( dc ); | |
237 | dc.DrawText( "Row 1", 5, 5 ); | |
238 | dc.DrawText( "Row 2", 5, 30 ); | |
239 | dc.DrawText( "Row 3", 5, 55 ); | |
240 | dc.DrawText( "Row 4", 5, 80 ); | |
241 | dc.DrawText( "Row 5", 5, 105 ); | |
242 | dc.DrawText( "Row 6", 5, 130 ); | |
ecab4dba RR |
243 | } |
244 | ||
245 | // MyCanvas | |
246 | ||
247 | IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxPanel) | |
248 | ||
249 | BEGIN_EVENT_TABLE(MyCanvas, wxPanel) | |
250 | EVT_PAINT( MyCanvas::OnPaint) | |
251 | END_EVENT_TABLE() | |
252 | ||
dfd6b52f RR |
253 | MyCanvas::MyCanvas( wxScrolledWindow *parent, MyTopLabels *top, MyRightLabels *right, |
254 | wxWindowID id, const wxPoint &pos, const wxSize &size ) | |
ecab4dba RR |
255 | : wxPanel( parent, id, pos, size, wxSUNKEN_BORDER, "test canvas" ) |
256 | { | |
257 | m_owner = parent; | |
dfd6b52f RR |
258 | m_topLabels = top; |
259 | m_rightLabels = right; | |
5f3286d1 | 260 | |
cddfbd9f RR |
261 | (void)new wxButton( this, -1, "Hallo I", wxPoint(0,50), wxSize(100,25) ); |
262 | (void)new wxButton( this, -1, "Hallo II", wxPoint(200,50), wxSize(100,25) ); | |
5f3286d1 | 263 | |
dfd6b52f RR |
264 | (void)new wxTextCtrl( this, -1, "Text I", wxPoint(0,100), wxSize(100,25) ); |
265 | (void)new wxTextCtrl( this, -1, "Text II", wxPoint(200,100), wxSize(100,25) ); | |
ecab4dba | 266 | |
a60b1f5d | 267 | SetBackgroundColour( wxT("WHEAT") ); |
5f3286d1 | 268 | |
ecab4dba RR |
269 | SetCursor( wxCursor( wxCURSOR_IBEAM ) ); |
270 | } | |
271 | ||
272 | MyCanvas::~MyCanvas() | |
273 | { | |
274 | } | |
275 | ||
276 | void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) | |
277 | { | |
278 | wxPaintDC dc( this ); | |
279 | m_owner->PrepareDC( dc ); | |
280 | ||
76db86e7 | 281 | dc.SetPen( *wxBLACK_PEN ); |
5f3286d1 | 282 | |
17800993 RR |
283 | // OK, let's assume we are a grid control and we have two |
284 | // grid cells. Here in OnPaint we want to know which cell | |
285 | // to redraw so that we prevent redrawing cells that don't | |
286 | // need to get redrawn. We have one cell at (0,0) and one | |
287 | // more at (200,0), both having a size of (100,25). | |
5f3286d1 VZ |
288 | |
289 | // We can query how much the window has been scrolled | |
17800993 | 290 | // by calling CalcUnscrolledPosition() |
5f3286d1 | 291 | |
17800993 RR |
292 | int scroll_x = 0; |
293 | int scroll_y = 0; | |
294 | m_owner->CalcUnscrolledPosition( scroll_x, scroll_y, &scroll_x, &scroll_y ); | |
5f3286d1 | 295 | |
17800993 RR |
296 | // We also need to know the size of the window to see which |
297 | // cells are completely hidden and not get redrawn | |
5f3286d1 | 298 | |
17800993 RR |
299 | int size_x = 0; |
300 | int size_y = 0; | |
301 | GetClientSize( &size_x, &size_y ); | |
5f3286d1 | 302 | |
17800993 RR |
303 | // First cell: (0,0)(100,25) |
304 | // It it on screen? | |
305 | if ((0+100-scroll_x > 0) && (0+25-scroll_y > 0) && | |
306 | (0-scroll_x < size_x) && (0-scroll_y < size_y)) | |
307 | { | |
dfd6b52f | 308 | // Has the region on screen been exposed? |
2f6c54eb VZ |
309 | if (IsExposed(0,0,100,25)) |
310 | { | |
311 | wxLogMessage( wxT("Redraw first cell") ); | |
17800993 | 312 | dc.DrawRectangle( 0, 0, 100, 25 ); |
2f6c54eb VZ |
313 | dc.DrawText( "First Cell", 5, 5 ); |
314 | } | |
17800993 | 315 | } |
5f3286d1 VZ |
316 | |
317 | ||
17800993 RR |
318 | // Second cell: (0,200)(100,25) |
319 | // It it on screen? | |
320 | if ((200+100-scroll_x > 0) && (0+25-scroll_y > 0) && | |
321 | (200-scroll_x < size_x) && (0-scroll_y < size_y)) | |
322 | { | |
dfd6b52f | 323 | // Has the region on screen been exposed? |
2f6c54eb VZ |
324 | if (IsExposed(200,0,100,25)) |
325 | { | |
326 | wxLogMessage( wxT("Redraw second cell") ); | |
17800993 | 327 | dc.DrawRectangle( 200, 0, 100, 25 ); |
2f6c54eb VZ |
328 | dc.DrawText( "Second Cell", 205, 5 ); |
329 | } | |
17800993 | 330 | } |
5f3286d1 | 331 | |
ecab4dba RR |
332 | } |
333 | ||
dfd6b52f RR |
334 | void MyCanvas::ScrollWindow( int dx, int dy, const wxRect *rect ) |
335 | { | |
336 | wxPanel::ScrollWindow( dx, dy, rect ); | |
337 | m_topLabels->ScrollWindow( dx, 0, rect ); | |
338 | m_rightLabels->ScrollWindow( 0, dy, rect ); | |
339 | } | |
ecab4dba RR |
340 | |
341 | // MyFrame | |
342 | ||
343 | const int ID_QUIT = 108; | |
3d0c4d2e RR |
344 | const int ID_FULL = 109; |
345 | const int ID_ABOUT = 110; | |
ecab4dba RR |
346 | |
347 | IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame ) | |
348 | ||
349 | BEGIN_EVENT_TABLE(MyFrame,wxFrame) | |
350 | EVT_MENU (ID_ABOUT, MyFrame::OnAbout) | |
351 | EVT_MENU (ID_QUIT, MyFrame::OnQuit) | |
3d0c4d2e | 352 | EVT_MENU (ID_FULL, MyFrame::OnFullScreen) |
ecab4dba RR |
353 | END_EVENT_TABLE() |
354 | ||
355 | MyFrame::MyFrame() | |
356 | : wxFrame( (wxFrame *)NULL, -1, "wxScrolledWindow sample", | |
357 | wxPoint(20,20), wxSize(470,500) ) | |
358 | { | |
359 | wxMenu *file_menu = new wxMenu(); | |
3d0c4d2e RR |
360 | file_menu->Append( ID_ABOUT, "&About..."); |
361 | file_menu->Append( ID_FULL, "&Full screen on/off"); | |
ecab4dba RR |
362 | file_menu->Append( ID_QUIT, "E&xit\tAlt-X"); |
363 | ||
364 | wxMenuBar *menu_bar = new wxMenuBar(); | |
365 | menu_bar->Append(file_menu, "&File"); | |
366 | ||
367 | SetMenuBar( menu_bar ); | |
368 | ||
369 | CreateStatusBar(2); | |
370 | int widths[] = { -1, 100 }; | |
371 | SetStatusWidths( 2, widths ); | |
372 | ||
dfd6b52f | 373 | m_scrolled = new MyScrolledWindow( this, -1, wxDefaultPosition, wxSize(100,100) ); |
ecab4dba | 374 | m_scrolled->SetScrollbars( 10, 10, 50, 100 ); |
5f3286d1 | 375 | |
ecab4dba RR |
376 | m_log = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE ); |
377 | wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) ); | |
378 | delete old_log; | |
5f3286d1 | 379 | |
ecab4dba | 380 | wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL ); |
ecab4dba RR |
381 | topsizer->Add( m_scrolled, 1, wxEXPAND ); |
382 | topsizer->Add( m_log, 0, wxEXPAND ); | |
383 | ||
384 | SetAutoLayout( TRUE ); | |
385 | SetSizer( topsizer ); | |
386 | } | |
387 | ||
388 | void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) ) | |
389 | { | |
390 | Close( TRUE ); | |
391 | } | |
392 | ||
3d0c4d2e RR |
393 | void MyFrame::OnFullScreen( wxCommandEvent &WXUNUSED(event) ) |
394 | { | |
395 | ShowFullScreen( !IsFullScreen(), wxFULLSCREEN_NOBORDER|wxFULLSCREEN_NOCAPTION ); | |
396 | } | |
397 | ||
ecab4dba RR |
398 | void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) ) |
399 | { | |
400 | (void)wxMessageBox( "wxScroll demo II\n" | |
401 | "Robert Roebling (c) 1998", | |
402 | "About wxScroll II Demo", wxICON_INFORMATION | wxOK ); | |
403 | } | |
404 | ||
405 | //----------------------------------------------------------------------------- | |
406 | // MyApp | |
407 | //----------------------------------------------------------------------------- | |
408 | ||
409 | bool MyApp::OnInit() | |
410 | { | |
411 | wxFrame *frame = new MyFrame(); | |
412 | frame->Show( TRUE ); | |
413 | ||
414 | return TRUE; | |
415 | } | |
416 |