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[wxWidgets.git] / samples / keyboard / keyboard.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: keyboard.cpp
be5a51fb 3// Purpose: Keyboard wxWidgets sample
7de7aed4 4// Author: Vadim Zeitlin
a96bab36 5// Modified by: Marcin Wojdyr
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6// Created: 07.04.02
7// RCS-ID: $Id$
8// Copyright: (c) 2002 Vadim Zeitlin
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
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12#include "wx/wxprec.h"
13
14#ifdef __BORLANDC__
15 #pragma hdrstop
16#endif
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17#ifndef WX_PRECOMP
18 #include "wx/wx.h"
19#endif
20
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21#ifndef __WXMSW__
22 #include "../sample.xpm"
23#endif
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24
25// Define a new frame type: this is going to be our main frame
26class MyFrame : public wxFrame
27{
28public:
a96bab36 29 MyFrame(const wxString& title);
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30
31private:
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32 // event handlers
33 void OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(true); }
34 void OnAbout(wxCommandEvent& event);
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35
36 void OnTestAccelA(wxCommandEvent& WXUNUSED(event))
37 { m_logText->AppendText("Test accelerator \"A\" used.\n"); }
38 void OnTestAccelCtrlA(wxCommandEvent& WXUNUSED(event))
39 { m_logText->AppendText("Test accelerator \"Ctrl-A\" used.\n"); }
40 void OnTestAccelEsc(wxCommandEvent& WXUNUSED(event))
41 { m_logText->AppendText("Test accelerator \"Esc\" used.\n"); }
42
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43 void OnClear(wxCommandEvent& WXUNUSED(event)) { m_logText->Clear(); }
44 void OnSkip(wxCommandEvent& event) { m_skip = event.IsChecked(); }
a30305f8 45
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46 void OnKeyDown(wxKeyEvent& event) { LogEvent("KeyDown", event); }
47 void OnKeyUp(wxKeyEvent& event) { LogEvent("KeyUp", event); }
48 void OnChar(wxKeyEvent& event) { LogEvent("Char", event); }
49 void OnPaintInputWin(wxPaintEvent& event);
7de7aed4 50
a96bab36 51 void LogEvent(const wxString& name, wxKeyEvent& event);
7de7aed4 52
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53 wxTextCtrl *m_logText;
54 wxWindow *m_inputWin;
55 bool m_skip;
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56};
57
7de7aed4 58
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59// Define a new application type, each program should derive a class from wxApp
60class MyApp : public wxApp
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61{
62public:
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63 // 'Main program' equivalent: the program execution "starts" here
64 virtual bool OnInit()
7de7aed4 65 {
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66 // create the main application window
67 new MyFrame("Keyboard wxWidgets App");
7de7aed4 68
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69 // If we returned false here, the application would exit immediately.
70 return true;
7de7aed4 71 }
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72};
73
be5a51fb 74// Create a new application object: this macro will allow wxWidgets to create
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75// the application object during program execution (it's better than using a
76// static object for many reasons) and also declares the accessor function
77// wxGetApp() which will return the reference of the right type (i.e. MyApp and
78// not wxApp)
79IMPLEMENT_APP(MyApp)
80
a96bab36 81
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82// ============================================================================
83// implementation
84// ============================================================================
85
7de7aed4 86// frame constructor
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87MyFrame::MyFrame(const wxString& title)
88 : wxFrame(NULL, wxID_ANY, title),
89 m_inputWin(NULL),
90 m_skip(true)
7de7aed4 91{
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92 SetIcon(wxICON(sample));
93
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94 // IDs for menu items
95 enum
96 {
97 QuitID = wxID_EXIT,
98 ClearID = wxID_CLEAR,
99 SkipID = 100,
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100 TestAccelA,
101 TestAccelCtrlA,
102 TestAccelEsc
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103 };
104
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105 // create a menu bar
106 wxMenu *menuFile = new wxMenu;
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107
108 menuFile->Append(ClearID, "&Clear log\tCtrl-L");
109 menuFile->AppendSeparator();
110
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111 menuFile->Append(TestAccelA, "Test accelerator &1\tA");
112 menuFile->Append(TestAccelCtrlA, "Test accelerator &2\tCtrl-A");
113 menuFile->Append(TestAccelEsc, "Test accelerator &3\tEsc");
114 menuFile->AppendSeparator();
115
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116 menuFile->AppendCheckItem(SkipID, "Call event.&Skip()\tCtrl-S");
117 menuFile->Check(SkipID, true);
7de7aed4 118 menuFile->AppendSeparator();
7de7aed4 119
a96bab36 120 menuFile->Append(QuitID, "E&xit\tAlt-X", "Quit this program");
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121
122 // the "About" item should be in the help menu
123 wxMenu *menuHelp = new wxMenu;
a96bab36 124 menuHelp->Append(wxID_ABOUT, "&About...\tF1", "Show about dialog");
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125
126 // now append the freshly created menu to the menu bar...
127 wxMenuBar *menuBar = new wxMenuBar();
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128 menuBar->Append(menuFile, "&File");
129 menuBar->Append(menuHelp, "&Help");
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130
131 // ... and attach this menu bar to the frame
132 SetMenuBar(menuBar);
133
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134 m_inputWin = new wxWindow(this, wxID_ANY, wxDefaultPosition, wxSize(-1, 50),
135 wxRAISED_BORDER),
136 m_inputWin->SetBackgroundColour(*wxBLUE);
137
138 wxTextCtrl *headerText = new wxTextCtrl(this, wxID_ANY, "",
139 wxDefaultPosition, wxDefaultSize,
140 wxTE_READONLY);
141 headerText->SetValue(
142 " event key KeyCode mod UnicodeKey "
143 " RawKeyCode RawKeyFlags");
144
145
41f02b9a 146 m_logText = new wxTextCtrl(this, wxID_ANY, "",
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147 wxDefaultPosition, wxDefaultSize,
148 wxTE_MULTILINE|wxTE_READONLY|wxHSCROLL);
149
150 // set monospace font to have output in nice columns
41f02b9a 151 wxFont font(10, wxFONTFAMILY_TELETYPE,
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152 wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
153 headerText->SetFont(font);
154 m_logText->SetFont(font);
155
156 // layout
157 wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
158 sizer->Add(m_inputWin, wxSizerFlags().Expand());
159 sizer->Add(headerText, wxSizerFlags().Expand());
160 sizer->Add(m_logText, wxSizerFlags(1).Expand());
161 SetSizerAndFit(sizer);
162
163 // set size and position on screen
164 SetSize(700, 340);
165 CentreOnScreen();
166
167 // connect menu event handlers
168
169 Connect(QuitID, wxEVT_COMMAND_MENU_SELECTED,
170 wxCommandEventHandler(MyFrame::OnQuit));
171
172 Connect(wxID_ABOUT, wxEVT_COMMAND_MENU_SELECTED,
173 wxCommandEventHandler(MyFrame::OnAbout));
174
175 Connect(ClearID, wxEVT_COMMAND_MENU_SELECTED,
176 wxCommandEventHandler(MyFrame::OnClear));
177
178 Connect(SkipID, wxEVT_COMMAND_MENU_SELECTED,
179 wxCommandEventHandler(MyFrame::OnSkip));
180
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181 Connect(TestAccelA, wxEVT_COMMAND_MENU_SELECTED,
182 wxCommandEventHandler(MyFrame::OnTestAccelA));
183
184 Connect(TestAccelCtrlA, wxEVT_COMMAND_MENU_SELECTED,
185 wxCommandEventHandler(MyFrame::OnTestAccelCtrlA));
186
187 Connect(TestAccelEsc, wxEVT_COMMAND_MENU_SELECTED,
188 wxCommandEventHandler(MyFrame::OnTestAccelEsc));
189
41f02b9a 190 // connect event handlers for the blue input window
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191 m_inputWin->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(MyFrame::OnKeyDown),
192 NULL, this);
193 m_inputWin->Connect(wxEVT_KEY_UP, wxKeyEventHandler(MyFrame::OnKeyUp),
194 NULL, this);
195 m_inputWin->Connect(wxEVT_CHAR, wxKeyEventHandler(MyFrame::OnChar),
196 NULL, this);
41f02b9a 197 m_inputWin->Connect(wxEVT_PAINT,
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198 wxPaintEventHandler(MyFrame::OnPaintInputWin),
199 NULL, this);
200
201 // and show itself (the frames, unlike simple controls, are not shown when
202 // created initially)
203 Show(true);
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204}
205
206// event handlers
207
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208void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
209{
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210 wxMessageBox("Demonstrates keyboard event processing in wxWidgets\n"
211 "(c) 2002 Vadim Zeitlin\n"
212 "(c) 2008 Marcin Wojdyr",
213 "About wxWidgets Keyboard Sample",
214 wxOK | wxICON_INFORMATION, this);
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215}
216
a96bab36 217void MyFrame::OnPaintInputWin(wxPaintEvent& WXUNUSED(event))
7de7aed4 218{
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219 wxPaintDC dc(m_inputWin);
220 dc.SetTextForeground(*wxWHITE);
221 wxFont font(*wxSWISS_FONT);
222 font.SetWeight(wxFONTWEIGHT_BOLD);
223 font.SetPointSize(font.GetPointSize() + 2);
224 dc.SetFont(font);
225
41f02b9a 226 dc.DrawLabel("Press keys here",
a96bab36 227 m_inputWin->GetClientRect(), wxALIGN_CENTER);
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228}
229
62fa9712 230
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231// helper function that returns textual description of wx virtual keycode
232const char* GetVirtualKeyCodeName(int keycode)
7de7aed4 233{
a96bab36 234 switch ( keycode )
7de7aed4 235 {
a96bab36 236#define WXK_(x) \
41f02b9a 237 case WXK_##x: return #x;
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238
239 WXK_(BACK)
240 WXK_(TAB)
241 WXK_(RETURN)
242 WXK_(ESCAPE)
243 WXK_(SPACE)
244 WXK_(DELETE)
245 WXK_(START)
246 WXK_(LBUTTON)
247 WXK_(RBUTTON)
248 WXK_(CANCEL)
249 WXK_(MBUTTON)
250 WXK_(CLEAR)
251 WXK_(SHIFT)
252 WXK_(ALT)
253 WXK_(CONTROL)
254 WXK_(MENU)
255 WXK_(PAUSE)
256 WXK_(CAPITAL)
257 WXK_(END)
258 WXK_(HOME)
259 WXK_(LEFT)
260 WXK_(UP)
261 WXK_(RIGHT)
262 WXK_(DOWN)
263 WXK_(SELECT)
264 WXK_(PRINT)
265 WXK_(EXECUTE)
266 WXK_(SNAPSHOT)
267 WXK_(INSERT)
268 WXK_(HELP)
269 WXK_(NUMPAD0)
270 WXK_(NUMPAD1)
271 WXK_(NUMPAD2)
272 WXK_(NUMPAD3)
273 WXK_(NUMPAD4)
274 WXK_(NUMPAD5)
275 WXK_(NUMPAD6)
276 WXK_(NUMPAD7)
277 WXK_(NUMPAD8)
278 WXK_(NUMPAD9)
279 WXK_(MULTIPLY)
280 WXK_(ADD)
281 WXK_(SEPARATOR)
282 WXK_(SUBTRACT)
283 WXK_(DECIMAL)
284 WXK_(DIVIDE)
285 WXK_(F1)
286 WXK_(F2)
287 WXK_(F3)
288 WXK_(F4)
289 WXK_(F5)
290 WXK_(F6)
291 WXK_(F7)
292 WXK_(F8)
293 WXK_(F9)
294 WXK_(F10)
295 WXK_(F11)
296 WXK_(F12)
297 WXK_(F13)
298 WXK_(F14)
299 WXK_(F15)
300 WXK_(F16)
301 WXK_(F17)
302 WXK_(F18)
303 WXK_(F19)
304 WXK_(F20)
305 WXK_(F21)
306 WXK_(F22)
307 WXK_(F23)
308 WXK_(F24)
309 WXK_(NUMLOCK)
310 WXK_(SCROLL)
311 WXK_(PAGEUP)
312 WXK_(PAGEDOWN)
313 WXK_(NUMPAD_SPACE)
314 WXK_(NUMPAD_TAB)
315 WXK_(NUMPAD_ENTER)
316 WXK_(NUMPAD_F1)
317 WXK_(NUMPAD_F2)
318 WXK_(NUMPAD_F3)
319 WXK_(NUMPAD_F4)
320 WXK_(NUMPAD_HOME)
321 WXK_(NUMPAD_LEFT)
322 WXK_(NUMPAD_UP)
323 WXK_(NUMPAD_RIGHT)
324 WXK_(NUMPAD_DOWN)
325 WXK_(NUMPAD_PAGEUP)
326 WXK_(NUMPAD_PAGEDOWN)
327 WXK_(NUMPAD_END)
328 WXK_(NUMPAD_BEGIN)
329 WXK_(NUMPAD_INSERT)
330 WXK_(NUMPAD_DELETE)
331 WXK_(NUMPAD_EQUAL)
332 WXK_(NUMPAD_MULTIPLY)
333 WXK_(NUMPAD_ADD)
334 WXK_(NUMPAD_SEPARATOR)
335 WXK_(NUMPAD_SUBTRACT)
336 WXK_(NUMPAD_DECIMAL)
337 WXK_(NUMPAD_DIVIDE)
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338
339 WXK_(WINDOWS_LEFT)
340 WXK_(WINDOWS_RIGHT)
341 WXK_(COMMAND)
a96bab36 342#undef WXK_
e7b12eec 343
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344 default:
345 return NULL;
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346 }
347}
348
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349// helper function that returns textual description of key in the event
350wxString GetKeyName(const wxKeyEvent &event)
7de7aed4 351{
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352 int keycode = event.GetKeyCode();
353 const char* virt = GetVirtualKeyCodeName(keycode);
354 if ( virt )
355 return virt;
b6885972 356 if ( keycode > 0 && keycode < 32 )
a96bab36 357 return wxString::Format("Ctrl-%c", (unsigned char)('A' + keycode - 1));
b6885972 358 if ( keycode >= 32 && keycode < 128 )
a96bab36 359 return wxString::Format("'%c'", (unsigned char)keycode);
e7b12eec 360
52bbab36 361#if wxUSE_UNICODE
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362 int uc = event.GetUnicodeKey();
363 if ( uc != WXK_NONE )
364 return wxString::Format("'%c'", uc);
52bbab36 365#endif
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366
367 return "unknown";
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368}
369
7de7aed4 370
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371void MyFrame::LogEvent(const wxString& name, wxKeyEvent& event)
372{
62fa9712 373 wxString msg;
41f02b9a 374 // event key_name KeyCode modifiers Unicode raw_code raw_flags
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375 msg.Printf("%7s %15s %5d %c%c%c%c"
376#if wxUSE_UNICODE
377 "%5d (U+%04x)"
378#else
379 " none "
380#endif
381#ifdef wxHAS_RAW_KEY_CODES
b6885972 382 " %7lu 0x%08lx"
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383#else
384 " not-set not-set"
385#endif
386 "\n",
62fa9712 387 name,
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388 GetKeyName(event),
389 event.GetKeyCode(),
390 event.ControlDown() ? 'C' : '-',
391 event.AltDown() ? 'A' : '-',
392 event.ShiftDown() ? 'S' : '-',
66ad7d6a 393 event.MetaDown() ? 'M' : '-'
a96bab36 394#if wxUSE_UNICODE
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395 , event.GetUnicodeKey()
396 , event.GetUnicodeKey()
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397#endif
398#ifdef wxHAS_RAW_KEY_CODES
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399 , (unsigned long) event.GetRawKeyCode()
400 , (unsigned long) event.GetRawKeyFlags()
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401#endif
402 );
62fa9712 403
a96bab36 404 m_logText->AppendText(msg);
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405
406 if ( m_skip )
7de7aed4 407 event.Skip();
7de7aed4 408}
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409
410