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c801d85f 1/////////////////////////////////////////////////////////////////////////////
6718d773 2// Name: splitter.cpp
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3// Purpose: wxSplitterWindow sample
4// Author: Julian Smart
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
6aa89a22 8// Copyright: (c) Julian Smart
0d559d69 9// Licence: wxWindows license
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10/////////////////////////////////////////////////////////////////////////////
11
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12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
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20// For compilers that support precompilation, includes "wx/wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
2f294a9c 24 #pragma hdrstop
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25#endif
26
27#ifndef WX_PRECOMP
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28 #include "wx/log.h"
29
30 #include "wx/app.h"
31 #include "wx/frame.h"
32
33 #include "wx/scrolwin.h"
34 #include "wx/menu.h"
35
36 #include "wx/textdlg.h" // for wxGetTextFromUser
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37#endif
38
39#include "wx/splitter.h"
a63e17c1 40#include "wx/dcmirror.h"
c801d85f 41
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42#ifndef __WXMSW__
43 #include "../sample.xpm"
44#endif
45
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46// ----------------------------------------------------------------------------
47// constants
48// ----------------------------------------------------------------------------
49
50// ID for the menu commands
51enum
52{
77e0a6d8 53 SPLIT_QUIT = 1,
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54 SPLIT_HORIZONTAL,
55 SPLIT_VERTICAL,
56 SPLIT_UNSPLIT,
b795f9ca 57 SPLIT_LIVE,
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58 SPLIT_BORDER,
59 SPLIT_3DSASH,
6faed57d 60 SPLIT_SETPOSITION,
14b4c0ff 61 SPLIT_SETMINSIZE,
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62 SPLIT_SETGRAVITY,
63 SPLIT_REPLACE
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64};
65
66// ----------------------------------------------------------------------------
67// our classes
68// ----------------------------------------------------------------------------
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69
70class MyApp: public wxApp
71{
72public:
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73 MyApp() { }
74
75 virtual bool OnInit();
76
c0c133e1 77 wxDECLARE_NO_COPY_CLASS(MyApp);
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78};
79
2f294a9c 80class MyFrame: public wxFrame
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81{
82public:
2f294a9c 83 MyFrame();
8adaf733 84 virtual ~MyFrame();
0d559d69 85
9b8d8755 86 void ToggleFlag(int flag, bool enable);
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87
88 // Menu commands
89 void OnSplitHorizontal(wxCommandEvent& event);
90 void OnSplitVertical(wxCommandEvent& event);
91 void OnUnsplit(wxCommandEvent& event);
92 void OnToggleLive(wxCommandEvent& event)
9b8d8755 93 { ToggleFlag(wxSP_LIVE_UPDATE, event.IsChecked()); }
430bdeb5 94 void OnToggleBorder(wxCommandEvent& event)
9b8d8755 95 { ToggleFlag(wxSP_BORDER, event.IsChecked()); }
430bdeb5 96 void OnToggle3DSash(wxCommandEvent& event)
9b8d8755 97 { ToggleFlag(wxSP_3DSASH, event.IsChecked()); }
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98 void OnSetPosition(wxCommandEvent& event);
99 void OnSetMinSize(wxCommandEvent& event);
100 void OnSetGravity(wxCommandEvent& event);
101 void OnReplace(wxCommandEvent &event);
b795f9ca 102
430bdeb5 103 void OnQuit(wxCommandEvent& event);
4a0b46a7 104
2f294a9c 105 // Menu command update functions
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106 void OnUpdateUIHorizontal(wxUpdateUIEvent& event);
107 void OnUpdateUIVertical(wxUpdateUIEvent& event);
108 void OnUpdateUIUnsplit(wxUpdateUIEvent& event);
4a0b46a7 109
0d559d69 110private:
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111 wxScrolledWindow *m_left, *m_right;
112
113 wxSplitterWindow* m_splitter;
8adaf733 114 wxWindow *m_replacewindow;
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115
116 DECLARE_EVENT_TABLE()
c0c133e1 117 wxDECLARE_NO_COPY_CLASS(MyFrame);
0d559d69 118};
c801d85f 119
2f294a9c 120class MySplitterWindow : public wxSplitterWindow
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121{
122public:
2f294a9c 123 MySplitterWindow(wxFrame *parent);
c801d85f 124
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125 // event handlers
126 void OnPositionChanged(wxSplitterEvent& event);
127 void OnPositionChanging(wxSplitterEvent& event);
128 void OnDClick(wxSplitterEvent& event);
8ad18dc3 129 void OnUnsplitEvent(wxSplitterEvent& event);
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130
131private:
2f294a9c 132 wxFrame *m_frame;
0d559d69 133
2f294a9c 134 DECLARE_EVENT_TABLE()
c0c133e1 135 wxDECLARE_NO_COPY_CLASS(MySplitterWindow);
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136};
137
138class MyCanvas: public wxScrolledWindow
139{
140public:
a63e17c1 141 MyCanvas(wxWindow* parent, bool mirror);
925e9792 142 virtual ~MyCanvas(){};
c801d85f 143
2f294a9c 144 virtual void OnDraw(wxDC& dc);
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145
146private:
147 bool m_mirror;
148
c0c133e1 149 wxDECLARE_NO_COPY_CLASS(MyCanvas);
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150};
151
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152// ============================================================================
153// implementation
154// ============================================================================
c801d85f 155
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156// ----------------------------------------------------------------------------
157// MyApp
158// ----------------------------------------------------------------------------
0d57be45 159
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160IMPLEMENT_APP(MyApp)
161
2f294a9c 162bool MyApp::OnInit()
c801d85f 163{
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164 if ( !wxApp::OnInit() )
165 return false;
166
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167 // create and show the main frame
168 MyFrame* frame = new MyFrame;
4a0b46a7 169
8ad18dc3 170 frame->Show(true);
c801d85f 171
8ad18dc3 172 return true;
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173}
174
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175// ----------------------------------------------------------------------------
176// MyFrame
177// ----------------------------------------------------------------------------
178
c801d85f 179BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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180 EVT_MENU(SPLIT_VERTICAL, MyFrame::OnSplitVertical)
181 EVT_MENU(SPLIT_HORIZONTAL, MyFrame::OnSplitHorizontal)
182 EVT_MENU(SPLIT_UNSPLIT, MyFrame::OnUnsplit)
183 EVT_MENU(SPLIT_LIVE, MyFrame::OnToggleLive)
184 EVT_MENU(SPLIT_BORDER, MyFrame::OnToggleBorder)
185 EVT_MENU(SPLIT_3DSASH, MyFrame::OnToggle3DSash)
186 EVT_MENU(SPLIT_SETPOSITION, MyFrame::OnSetPosition)
187 EVT_MENU(SPLIT_SETMINSIZE, MyFrame::OnSetMinSize)
188 EVT_MENU(SPLIT_SETGRAVITY, MyFrame::OnSetGravity)
189 EVT_MENU(SPLIT_REPLACE, MyFrame::OnReplace)
190
191 EVT_MENU(SPLIT_QUIT, MyFrame::OnQuit)
192
193 EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::OnUpdateUIVertical)
194 EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::OnUpdateUIHorizontal)
195 EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::OnUpdateUIUnsplit)
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196END_EVENT_TABLE()
197
198// My frame constructor
2f294a9c 199MyFrame::MyFrame()
9a83f860 200 : wxFrame(NULL, wxID_ANY, wxT("wxSplitterWindow sample"),
2f294a9c 201 wxDefaultPosition, wxSize(420, 300),
fe31f91c 202 wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
c801d85f 203{
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204 SetIcon(wxICON(sample));
205
8520f137 206#if wxUSE_STATUSBAR
2f294a9c 207 CreateStatusBar(2);
8520f137 208#endif // wxUSE_STATUSBAR
b7346a70 209
2f294a9c 210 // Make a menubar
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211 wxMenu *splitMenu = new wxMenu;
212 splitMenu->Append(SPLIT_VERTICAL,
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213 wxT("Split &Vertically\tCtrl-V"),
214 wxT("Split vertically"));
6faed57d 215 splitMenu->Append(SPLIT_HORIZONTAL,
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216 wxT("Split &Horizontally\tCtrl-H"),
217 wxT("Split horizontally"));
6faed57d 218 splitMenu->Append(SPLIT_UNSPLIT,
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219 wxT("&Unsplit\tCtrl-U"),
220 wxT("Unsplit"));
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221 splitMenu->AppendSeparator();
222
223 splitMenu->AppendCheckItem(SPLIT_LIVE,
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224 wxT("&Live update\tCtrl-L"),
225 wxT("Toggle live update mode"));
9b8d8755 226 splitMenu->AppendCheckItem(SPLIT_BORDER,
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227 wxT("3D &Border"),
228 wxT("Toggle wxSP_BORDER flag"));
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229 splitMenu->Check(SPLIT_BORDER, true);
230 splitMenu->AppendCheckItem(SPLIT_3DSASH,
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231 wxT("&3D Sash"),
232 wxT("Toggle wxSP_3DSASH flag"));
9b8d8755 233 splitMenu->Check(SPLIT_3DSASH, true);
6faed57d 234 splitMenu->Append(SPLIT_SETPOSITION,
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235 wxT("Set splitter &position\tCtrl-P"),
236 wxT("Set the splitter position"));
6faed57d 237 splitMenu->Append(SPLIT_SETMINSIZE,
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238 wxT("Set &min size\tCtrl-M"),
239 wxT("Set minimum pane size"));
14b4c0ff 240 splitMenu->Append(SPLIT_SETGRAVITY,
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241 wxT("Set &gravity\tCtrl-G"),
242 wxT("Set gravity of sash"));
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243 splitMenu->AppendSeparator();
244
8adaf733 245 splitMenu->Append(SPLIT_REPLACE,
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246 wxT("&Replace right window"),
247 wxT("Replace right window"));
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248 splitMenu->AppendSeparator();
249
9a83f860 250 splitMenu->Append(SPLIT_QUIT, wxT("E&xit\tAlt-X"), wxT("Exit"));
c801d85f 251
2f294a9c 252 wxMenuBar *menuBar = new wxMenuBar;
9a83f860 253 menuBar->Append(splitMenu, wxT("&Splitter"));
c801d85f 254
2f294a9c 255 SetMenuBar(menuBar);
c801d85f 256
8ad18dc3 257 menuBar->Check(SPLIT_LIVE, true);
2f294a9c 258 m_splitter = new MySplitterWindow(this);
430bdeb5 259
14b4c0ff 260 m_splitter->SetSashGravity(1.0);
4a0b46a7 261
6b55490a 262#if 1
a63e17c1 263 m_left = new MyCanvas(m_splitter, true);
2f294a9c 264 m_left->SetBackgroundColour(*wxRED);
a63e17c1 265 m_left->SetScrollbars(20, 20, 5, 5);
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266 m_left->SetCursor(wxCursor(wxCURSOR_MAGNIFIER));
267
a63e17c1 268 m_right = new MyCanvas(m_splitter, false);
2f294a9c 269 m_right->SetBackgroundColour(*wxCYAN);
a63e17c1 270 m_right->SetScrollbars(20, 20, 5, 5);
6b55490a 271#else // for testing kbd navigation inside the splitter
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272 m_left = new wxTextCtrl(m_splitter, wxID_ANY, wxT("first text"));
273 m_right = new wxTextCtrl(m_splitter, wxID_ANY, wxT("second text"));
6b55490a 274#endif
c801d85f 275
2f294a9c 276 // you can also do this to start with a single window
4a0b46a7 277#if 0
8ad18dc3 278 m_right->Show(false);
2f294a9c 279 m_splitter->Initialize(m_left);
4a0b46a7 280#else
74c57d1f 281 // you can also try -100
2f294a9c 282 m_splitter->SplitVertically(m_left, m_right, 100);
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283#endif
284
8520f137 285#if wxUSE_STATUSBAR
9a83f860 286 SetStatusText(wxT("Min pane size = 0"), 1);
8520f137 287#endif // wxUSE_STATUSBAR
8adaf733 288
52ada3cd 289 m_replacewindow = NULL;
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290}
291
292MyFrame::~MyFrame()
293{
294 if (m_replacewindow) {
295 m_replacewindow->Destroy();
8adaf733 296 }
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297}
298
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299// menu command handlers
300
430bdeb5 301void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
c801d85f 302{
8ad18dc3 303 Close(true);
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304}
305
430bdeb5 306void MyFrame::OnSplitHorizontal(wxCommandEvent& WXUNUSED(event) )
c801d85f 307{
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308 if ( m_splitter->IsSplit() )
309 m_splitter->Unsplit();
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310 m_left->Show(true);
311 m_right->Show(true);
2f294a9c 312 m_splitter->SplitHorizontally( m_left, m_right );
52ada3cd 313 m_replacewindow = NULL;
74c57d1f 314
8520f137 315#if wxUSE_STATUSBAR
9a83f860 316 SetStatusText(wxT("Splitter split horizontally"), 1);
8520f137 317#endif // wxUSE_STATUSBAR
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318}
319
430bdeb5 320void MyFrame::OnSplitVertical(wxCommandEvent& WXUNUSED(event) )
c801d85f 321{
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322 if ( m_splitter->IsSplit() )
323 m_splitter->Unsplit();
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324 m_left->Show(true);
325 m_right->Show(true);
2f294a9c 326 m_splitter->SplitVertically( m_left, m_right );
52ada3cd 327 m_replacewindow = NULL;
74c57d1f 328
8520f137 329#if wxUSE_STATUSBAR
9a83f860 330 SetStatusText(wxT("Splitter split vertically"), 1);
8520f137 331#endif // wxUSE_STATUSBAR
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332}
333
430bdeb5 334void MyFrame::OnUnsplit(wxCommandEvent& WXUNUSED(event) )
c801d85f 335{
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336 if ( m_splitter->IsSplit() )
337 m_splitter->Unsplit();
8520f137 338#if wxUSE_STATUSBAR
9a83f860 339 SetStatusText(wxT("No splitter"));
8520f137 340#endif // wxUSE_STATUSBAR
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341}
342
9b8d8755 343void MyFrame::ToggleFlag(int flag, bool enable)
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344{
345 long style = m_splitter->GetWindowStyleFlag();
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346 if ( enable )
347 style |= flag;
b795f9ca 348 else
9b8d8755 349 style &= ~flag;
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350
351 m_splitter->SetWindowStyleFlag(style);
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352
353 // we need to move sash to redraw it
354 int pos = m_splitter->GetSashPosition();
355 m_splitter->SetSashPosition(pos + 1);
356 m_splitter->SetSashPosition(pos);
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357}
358
430bdeb5 359void MyFrame::OnSetPosition(wxCommandEvent& WXUNUSED(event) )
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360{
361 wxString str;
362 str.Printf( wxT("%d"), m_splitter->GetSashPosition());
9b8d8755 363#if wxUSE_TEXTDLG
9a83f860 364 str = wxGetTextFromUser(wxT("Enter splitter position:"), wxT(""), str, this);
9b8d8755 365#endif
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366 if ( str.empty() )
367 return;
368
369 long pos;
370 if ( !str.ToLong(&pos) )
371 {
9a83f860 372 wxLogError(wxT("The splitter position should be an integer."));
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373 return;
374 }
375
376 m_splitter->SetSashPosition(pos);
377
9a83f860 378 wxLogStatus(this, wxT("Splitter position set to %ld"), pos);
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379}
380
430bdeb5 381void MyFrame::OnSetMinSize(wxCommandEvent& WXUNUSED(event) )
0d559d69 382{
2f294a9c 383 wxString str;
f565a6c2 384 str.Printf( wxT("%d"), m_splitter->GetMinimumPaneSize());
9b8d8755 385#if wxUSE_TEXTDLG
9a83f860 386 str = wxGetTextFromUser(wxT("Enter minimal size for panes:"), wxT(""), str, this);
9b8d8755 387#endif
6faed57d 388 if ( str.empty() )
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389 return;
390
391 int minsize = wxStrtol( str, (wxChar**)NULL, 10 );
392 m_splitter->SetMinimumPaneSize(minsize);
8520f137 393#if wxUSE_STATUSBAR
f565a6c2 394 str.Printf( wxT("Min pane size = %d"), minsize);
2f294a9c 395 SetStatusText(str, 1);
8520f137 396#endif // wxUSE_STATUSBAR
c801d85f 397}
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398
399void MyFrame::OnSetGravity(wxCommandEvent& WXUNUSED(event) )
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400{
401 wxString str;
402 str.Printf( wxT("%g"), m_splitter->GetSashGravity());
9b8d8755 403#if wxUSE_TEXTDLG
9a83f860 404 str = wxGetTextFromUser(wxT("Enter sash gravity (0,1):"), wxT(""), str, this);
9b8d8755 405#endif
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406 if ( str.empty() )
407 return;
408
409 double gravity = wxStrtod( str, (wxChar**)NULL);
410 m_splitter->SetSashGravity(gravity);
411#if wxUSE_STATUSBAR
412 str.Printf( wxT("Gravity = %g"), gravity);
413 SetStatusText(str, 1);
414#endif // wxUSE_STATUSBAR
415}
c801d85f 416
430bdeb5 417void MyFrame::OnReplace(wxCommandEvent& WXUNUSED(event) )
8adaf733 418{
52ada3cd 419 if (m_replacewindow == NULL) {
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420 m_replacewindow = m_splitter->GetWindow2();
421 m_splitter->ReplaceWindow(m_replacewindow, new wxPanel(m_splitter, wxID_ANY));
422 m_replacewindow->Hide();
423 } else {
424 wxWindow *empty = m_splitter->GetWindow2();
52ada3cd 425 wxASSERT(empty != m_replacewindow);
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426 m_splitter->ReplaceWindow(empty, m_replacewindow);
427 m_replacewindow->Show();
52ada3cd 428 m_replacewindow = NULL;
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429 empty->Destroy();
430 }
431}
432
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433// Update UI handlers
434
430bdeb5 435void MyFrame::OnUpdateUIHorizontal(wxUpdateUIEvent& event)
c801d85f 436{
2f294a9c 437 event.Enable( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_HORIZONTAL) );
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438}
439
430bdeb5 440void MyFrame::OnUpdateUIVertical(wxUpdateUIEvent& event)
c801d85f 441{
2f294a9c 442 event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_VERTICAL) ) );
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443}
444
430bdeb5 445void MyFrame::OnUpdateUIUnsplit(wxUpdateUIEvent& event)
c801d85f 446{
2f294a9c 447 event.Enable( m_splitter->IsSplit() );
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448}
449
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450// ----------------------------------------------------------------------------
451// MySplitterWindow
452// ----------------------------------------------------------------------------
453
454BEGIN_EVENT_TABLE(MySplitterWindow, wxSplitterWindow)
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455 EVT_SPLITTER_SASH_POS_CHANGED(wxID_ANY, MySplitterWindow::OnPositionChanged)
456 EVT_SPLITTER_SASH_POS_CHANGING(wxID_ANY, MySplitterWindow::OnPositionChanging)
2f294a9c 457
8ad18dc3 458 EVT_SPLITTER_DCLICK(wxID_ANY, MySplitterWindow::OnDClick)
2f294a9c 459
8ad18dc3 460 EVT_SPLITTER_UNSPLIT(wxID_ANY, MySplitterWindow::OnUnsplitEvent)
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461END_EVENT_TABLE()
462
463MySplitterWindow::MySplitterWindow(wxFrame *parent)
8ad18dc3 464 : wxSplitterWindow(parent, wxID_ANY,
2f294a9c 465 wxDefaultPosition, wxDefaultSize,
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466 wxSP_3D | wxSP_LIVE_UPDATE |
467 wxCLIP_CHILDREN /* | wxSP_NO_XP_THEME */ )
c801d85f 468{
2f294a9c 469 m_frame = parent;
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470}
471
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472void MySplitterWindow::OnPositionChanged(wxSplitterEvent& event)
473{
9a83f860 474 wxLogStatus(m_frame, wxT("Position has changed, now = %d (or %d)"),
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475 event.GetSashPosition(), GetSashPosition());
476
477 event.Skip();
478}
479
480void MySplitterWindow::OnPositionChanging(wxSplitterEvent& event)
481{
9a83f860 482 wxLogStatus(m_frame, wxT("Position is changing, now = %d (or %d)"),
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483 event.GetSashPosition(), GetSashPosition());
484
485 event.Skip();
486}
487
488void MySplitterWindow::OnDClick(wxSplitterEvent& event)
489{
8520f137 490#if wxUSE_STATUSBAR
9a83f860 491 m_frame->SetStatusText(wxT("Splitter double clicked"), 1);
8520f137 492#endif // wxUSE_STATUSBAR
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493
494 event.Skip();
495}
496
8ad18dc3 497void MySplitterWindow::OnUnsplitEvent(wxSplitterEvent& event)
2f294a9c 498{
8520f137 499#if wxUSE_STATUSBAR
9a83f860 500 m_frame->SetStatusText(wxT("Splitter unsplit"), 1);
8520f137 501#endif // wxUSE_STATUSBAR
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502
503 event.Skip();
504}
505
506// ----------------------------------------------------------------------------
507// MyCanvas
508// ----------------------------------------------------------------------------
509
a63e17c1 510MyCanvas::MyCanvas(wxWindow* parent, bool mirror)
8ad18dc3 511 : wxScrolledWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
a63e17c1 512 wxHSCROLL | wxVSCROLL | wxNO_FULL_REPAINT_ON_RESIZE)
c801d85f 513{
a63e17c1 514 m_mirror = mirror;
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515}
516
a63e17c1 517void MyCanvas::OnDraw(wxDC& dcOrig)
c801d85f 518{
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519 wxMirrorDC dc(dcOrig, m_mirror);
520
2f294a9c 521 dc.SetPen(*wxBLACK_PEN);
a63e17c1 522 dc.DrawLine(0, 0, 100, 200);
c801d85f 523
9b8d8755 524 dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
9a83f860 525 dc.DrawText(wxT("Testing"), 50, 50);
b7346a70 526
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527 dc.SetPen(*wxRED_PEN);
528 dc.SetBrush(*wxGREEN_BRUSH);
529 dc.DrawRectangle(120, 120, 100, 80);
c801d85f 530}
2f294a9c 531