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Fix text extent computation in wxMSW wxGraphicsContext.
[wxWidgets.git] / samples / sashtest / sashtest.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: sashtest.cpp
3 // Purpose: Layout/sash sample
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/wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #ifndef WX_PRECOMP
20 #include "wx/wx.h"
21 #include "wx/mdi.h"
22 #endif
23
24 #include "wx/toolbar.h"
25 #include "wx/laywin.h"
26
27 #include "sashtest.h"
28
29 MyFrame *frame = NULL;
30 wxList my_children;
31
32 IMPLEMENT_APP(MyApp)
33
34 // For drawing lines in a canvas
35 long xpos = -1;
36 long ypos = -1;
37
38 int winNumber = 1;
39
40 // Initialise this in OnInit, not statically
41 bool MyApp::OnInit(void)
42 {
43 if ( !wxApp::OnInit() )
44 return false;
45
46 // Create the main frame window
47
48 frame = new MyFrame(NULL, wxID_ANY, wxT("Sash Demo"), wxPoint(0, 0), wxSize(500, 400),
49 wxDEFAULT_FRAME_STYLE |
50 wxNO_FULL_REPAINT_ON_RESIZE |
51 wxHSCROLL | wxVSCROLL);
52
53 // Give it an icon (this is ignored in MDI mode: uses resources)
54 #ifdef __WXMSW__
55 frame->SetIcon(wxIcon(wxT("sashtest_icn")));
56 #endif
57
58 // Make a menubar
59 wxMenu *file_menu = new wxMenu;
60
61 file_menu->Append(SASHTEST_NEW_WINDOW, wxT("&New window"));
62 file_menu->Append(SASHTEST_TOGGLE_WINDOW, wxT("&Toggle window"));
63 file_menu->Append(SASHTEST_QUIT, wxT("&Exit"));
64
65 wxMenu *help_menu = new wxMenu;
66 help_menu->Append(SASHTEST_ABOUT, wxT("&About"));
67
68 wxMenuBar *menu_bar = new wxMenuBar;
69
70 menu_bar->Append(file_menu, wxT("&File"));
71 menu_bar->Append(help_menu, wxT("&Help"));
72
73 // Associate the menu bar with the frame
74 frame->SetMenuBar(menu_bar);
75
76 #if wxUSE_STATUSBAR
77 frame->CreateStatusBar();
78 #endif // wxUSE_STATUSBAR
79
80 frame->Show(true);
81
82 return true;
83 }
84
85 BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
86 EVT_MENU(SASHTEST_ABOUT, MyFrame::OnAbout)
87 EVT_MENU(SASHTEST_NEW_WINDOW, MyFrame::OnNewWindow)
88 EVT_SIZE(MyFrame::OnSize)
89 EVT_MENU(SASHTEST_QUIT, MyFrame::OnQuit)
90 EVT_MENU(SASHTEST_TOGGLE_WINDOW, MyFrame::OnToggleWindow)
91 EVT_SASH_DRAGGED_RANGE(ID_WINDOW_TOP, ID_WINDOW_BOTTOM, MyFrame::OnSashDrag)
92 END_EVENT_TABLE()
93
94
95 // Define my frame constructor
96 MyFrame::MyFrame(wxWindow *parent, const wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size,
97 const long style):
98 wxMDIParentFrame(parent, id, title, pos, size, style)
99 {
100 // Create some dummy layout windows
101
102 // A window like a toolbar
103 wxSashLayoutWindow* win =
104 new wxSashLayoutWindow(this, ID_WINDOW_TOP,
105 wxDefaultPosition, wxSize(200, 30),
106 wxNO_BORDER | wxSW_3D | wxCLIP_CHILDREN);
107
108 win->SetDefaultSize(wxSize(1000, 30));
109 win->SetOrientation(wxLAYOUT_HORIZONTAL);
110 win->SetAlignment(wxLAYOUT_TOP);
111 win->SetBackgroundColour(wxColour(255, 0, 0));
112 win->SetSashVisible(wxSASH_BOTTOM, true);
113
114 m_topWindow = win;
115
116 // A window like a statusbar
117 win = new wxSashLayoutWindow(this, ID_WINDOW_BOTTOM,
118 wxDefaultPosition, wxSize(200, 30),
119 wxNO_BORDER | wxSW_3D | wxCLIP_CHILDREN);
120 win->SetDefaultSize(wxSize(1000, 30));
121 win->SetOrientation(wxLAYOUT_HORIZONTAL);
122 win->SetAlignment(wxLAYOUT_BOTTOM);
123 win->SetBackgroundColour(wxColour(0, 0, 255));
124 win->SetSashVisible(wxSASH_TOP, true);
125
126 m_bottomWindow = win;
127
128 // A window to the left of the client window
129 win = new wxSashLayoutWindow(this, ID_WINDOW_LEFT1,
130 wxDefaultPosition, wxSize(200, 30),
131 wxNO_BORDER | wxSW_3D | wxCLIP_CHILDREN);
132 win->SetDefaultSize(wxSize(120, 1000));
133 win->SetOrientation(wxLAYOUT_VERTICAL);
134 win->SetAlignment(wxLAYOUT_LEFT);
135 win->SetBackgroundColour(wxColour(0, 255, 0));
136 win->SetSashVisible(wxSASH_RIGHT, true);
137 win->SetExtraBorderSize(10);
138
139 wxTextCtrl* textWindow = new wxTextCtrl(win, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize,
140 wxTE_MULTILINE|wxSUNKEN_BORDER);
141 // wxTE_MULTILINE|wxNO_BORDER);
142 textWindow->SetValue(wxT("A help window"));
143
144 m_leftWindow1 = win;
145
146 // Another window to the left of the client window
147 win = new wxSashLayoutWindow(this, ID_WINDOW_LEFT2,
148 wxDefaultPosition, wxSize(200, 30),
149 wxNO_BORDER | wxSW_3D | wxCLIP_CHILDREN);
150 win->SetDefaultSize(wxSize(120, 1000));
151 win->SetOrientation(wxLAYOUT_VERTICAL);
152 win->SetAlignment(wxLAYOUT_LEFT);
153 win->SetBackgroundColour(wxColour(0, 255, 255));
154 win->SetSashVisible(wxSASH_RIGHT, true);
155
156 m_leftWindow2 = win;
157 }
158
159 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
160 {
161 Close(true);
162 }
163
164 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
165 {
166 (void)wxMessageBox(wxT("wxWidgets 2.0 Sash Demo\nAuthor: Julian Smart (c) 1998"), wxT("About Sash Demo"));
167 }
168
169 void MyFrame::OnToggleWindow(wxCommandEvent& WXUNUSED(event))
170 {
171 if (m_leftWindow1->IsShown())
172 {
173 m_leftWindow1->Show(false);
174 }
175 else
176 {
177 m_leftWindow1->Show(true);
178 }
179 #if wxUSE_MDI_ARCHITECTURE
180 wxLayoutAlgorithm layout;
181 layout.LayoutMDIFrame(this);
182 #endif // wxUSE_MDI_ARCHITECTURE
183 }
184
185 void MyFrame::OnSashDrag(wxSashEvent& event)
186 {
187 if (event.GetDragStatus() == wxSASH_STATUS_OUT_OF_RANGE)
188 return;
189
190 switch (event.GetId())
191 {
192 case ID_WINDOW_TOP:
193 {
194 m_topWindow->SetDefaultSize(wxSize(1000, event.GetDragRect().height));
195 break;
196 }
197 case ID_WINDOW_LEFT1:
198 {
199 m_leftWindow1->SetDefaultSize(wxSize(event.GetDragRect().width, 1000));
200 break;
201 }
202 case ID_WINDOW_LEFT2:
203 {
204 m_leftWindow2->SetDefaultSize(wxSize(event.GetDragRect().width, 1000));
205 break;
206 }
207 case ID_WINDOW_BOTTOM:
208 {
209 m_bottomWindow->SetDefaultSize(wxSize(1000, event.GetDragRect().height));
210 break;
211 }
212 }
213
214 #if wxUSE_MDI_ARCHITECTURE
215 wxLayoutAlgorithm layout;
216 layout.LayoutMDIFrame(this);
217 #endif // wxUSE_MDI_ARCHITECTURE
218
219 // Leaves bits of itself behind sometimes
220 GetClientWindow()->Refresh();
221 }
222
223 void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event))
224 {
225 // Make another frame, containing a canvas
226 MyChild *subframe = new MyChild(frame, wxT("Canvas Frame"),
227 wxPoint(10, 10), wxSize(300, 300),
228 wxDEFAULT_FRAME_STYLE |
229 wxNO_FULL_REPAINT_ON_RESIZE);
230
231 subframe->SetTitle(wxString::Format(wxT("Canvas Frame %d"), winNumber));
232 winNumber ++;
233
234 // Give it an icon (this is ignored in MDI mode: uses resources)
235 #ifdef __WXMSW__
236 subframe->SetIcon(wxIcon(wxT("sashtest_icn")));
237 #endif
238
239 #if wxUSE_STATUSBAR
240 // Give it a status line
241 subframe->CreateStatusBar();
242 #endif // wxUSE_STATUSBAR
243
244 // Make a menubar
245 wxMenu *file_menu = new wxMenu;
246
247 file_menu->Append(SASHTEST_NEW_WINDOW, wxT("&New window"));
248 file_menu->Append(SASHTEST_CHILD_QUIT, wxT("&Close child"));
249 file_menu->Append(SASHTEST_QUIT, wxT("&Exit"));
250
251 wxMenu *option_menu = new wxMenu;
252
253 // Dummy option
254 option_menu->Append(SASHTEST_REFRESH, wxT("&Refresh picture"));
255
256 wxMenu *help_menu = new wxMenu;
257 help_menu->Append(SASHTEST_ABOUT, wxT("&About"));
258
259 wxMenuBar *menu_bar = new wxMenuBar;
260
261 menu_bar->Append(file_menu, wxT("&File"));
262 menu_bar->Append(option_menu, wxT("&Options"));
263 menu_bar->Append(help_menu, wxT("&Help"));
264
265 // Associate the menu bar with the frame
266 subframe->SetMenuBar(menu_bar);
267
268 int width, height;
269 subframe->GetClientSize(&width, &height);
270 MyCanvas *canvas = new MyCanvas(subframe, wxPoint(0, 0), wxSize(width, height));
271 canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
272 subframe->canvas = canvas;
273
274 // Give it scrollbars
275 canvas->SetScrollbars(20, 20, 50, 50);
276
277 subframe->Show(true);
278 }
279
280 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
281 EVT_MOUSE_EVENTS(MyCanvas::OnEvent)
282 END_EVENT_TABLE()
283
284 // Define a constructor for my canvas
285 MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size)
286 : wxScrolledWindow(parent, wxID_ANY, pos, size,
287 wxSUNKEN_BORDER | wxNO_FULL_REPAINT_ON_RESIZE)
288 {
289 SetBackgroundColour(* wxWHITE);
290 }
291
292 // Define the repainting behaviour
293 void MyCanvas::OnDraw(wxDC& dc)
294 {
295 dc.SetFont(*wxSWISS_FONT);
296 dc.SetPen(*wxGREEN_PEN);
297 dc.DrawLine(0, 0, 200, 200);
298 dc.DrawLine(200, 0, 0, 200);
299
300 dc.SetBrush(*wxCYAN_BRUSH);
301 dc.SetPen(*wxRED_PEN);
302 dc.DrawRectangle(100, 100, 100, 50);
303 dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
304
305 dc.DrawEllipse(250, 250, 100, 50);
306 #if wxUSE_SPLINES
307 dc.DrawSpline(50, 200, 50, 100, 200, 10);
308 #endif // wxUSE_SPLINES
309 dc.DrawLine(50, 230, 200, 230);
310 dc.DrawText(wxT("This is a test string"), 50, 230);
311
312 wxPoint points[3];
313 points[0].x = 200; points[0].y = 300;
314 points[1].x = 100; points[1].y = 400;
315 points[2].x = 300; points[2].y = 400;
316
317 dc.DrawPolygon(3, points);
318 }
319
320 // This implements a tiny doodling program! Drag the mouse using
321 // the left button.
322 void MyCanvas::OnEvent(wxMouseEvent& event)
323 {
324 wxClientDC dc(this);
325 PrepareDC(dc);
326
327 wxPoint pt(event.GetLogicalPosition(dc));
328
329 if (xpos > -1 && ypos > -1 && event.Dragging())
330 {
331 dc.SetPen(*wxBLACK_PEN);
332 dc.DrawLine(xpos, ypos, pt.x, pt.y);
333 }
334 xpos = pt.x;
335 ypos = pt.y;
336 }
337
338 void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event))
339 {
340 #if wxUSE_MDI_ARCHITECTURE
341 wxLayoutAlgorithm layout;
342 layout.LayoutMDIFrame(this);
343 #endif // wxUSE_MDI_ARCHITECTURE
344 }
345
346 // Note that SASHTEST_NEW_WINDOW and SASHTEST_ABOUT commands get passed
347 // to the parent window for processing, so no need to
348 // duplicate event handlers here.
349
350 BEGIN_EVENT_TABLE(MyChild, wxMDIChildFrame)
351 EVT_MENU(SASHTEST_CHILD_QUIT, MyChild::OnQuit)
352 END_EVENT_TABLE()
353
354 MyChild::MyChild(wxMDIParentFrame *parent, const wxString& title, const wxPoint& pos, const wxSize& size,
355 const long style):
356 wxMDIChildFrame(parent, wxID_ANY, title, pos, size, style)
357 {
358 canvas = NULL;
359 my_children.Append(this);
360 }
361
362 MyChild::~MyChild(void)
363 {
364 my_children.DeleteObject(this);
365 }
366
367 void MyChild::OnQuit(wxCommandEvent& WXUNUSED(event))
368 {
369 Close(true);
370 }
371
372 void MyChild::OnActivate(wxActivateEvent& event)
373 {
374 if (event.GetActive() && canvas)
375 canvas->SetFocus();
376 }