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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: keyboard.cpp
	3	// Purpose: Keyboard wxWidgets sample
	4	// Author: Vadim Zeitlin
	5	// Modified by: Marcin Wojdyr
	6	// Created: 07.04.02
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 2002 Vadim Zeitlin
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#include "wx/wxprec.h"
	13
	14	#ifdef __BORLANDC__
	15	#pragma hdrstop
	16	#endif
	17	#ifndef WX_PRECOMP
	18	#include "wx/wx.h"
	19	#endif
	20
	21	#ifndef __WXMSW__
	22	#include "../sample.xpm"
	23	#endif
	24
	25	// Define a new frame type: this is going to be our main frame
	26	class MyFrame : public wxFrame
	27	{
	28	public:
	29	MyFrame(const wxString& title);
	30
	31	private:
	32	// event handlers
	33	void OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(true); }
	34	void OnAbout(wxCommandEvent& event);
	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
	43	void OnClear(wxCommandEvent& WXUNUSED(event)) { m_logText->Clear(); }
	44	void OnSkip(wxCommandEvent& event) { m_skip = event.IsChecked(); }
	45
	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);
	50
	51	void LogEvent(const wxString& name, wxKeyEvent& event);
	52
	53	wxTextCtrl *m_logText;
	54	wxWindow *m_inputWin;
	55	bool m_skip;
	56	};
	57
	58
	59	// Define a new application type, each program should derive a class from wxApp
	60	class MyApp : public wxApp
	61	{
	62	public:
	63	// 'Main program' equivalent: the program execution "starts" here
	64	virtual bool OnInit()
	65	{
	66	// create the main application window
	67	new MyFrame("Keyboard wxWidgets App");
	68
	69	// If we returned false here, the application would exit immediately.
	70	return true;
	71	}
	72	};
	73
	74	// Create a new application object: this macro will allow wxWidgets to create
	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)
	79	IMPLEMENT_APP(MyApp)
	80
	81
	82	// ============================================================================
	83	// implementation
	84	// ============================================================================
	85
	86	// frame constructor
	87	MyFrame::MyFrame(const wxString& title)
	88	: wxFrame(NULL, wxID_ANY, title),
	89	m_inputWin(NULL),
	90	m_skip(true)
	91	{
	92	SetIcon(wxICON(sample));
	93
	94	// IDs for menu items
	95	enum
	96	{
	97	QuitID = wxID_EXIT,
	98	ClearID = wxID_CLEAR,
	99	SkipID = 100,
	100	TestAccelA,
	101	TestAccelCtrlA,
	102	TestAccelEsc
	103	};
	104
	105	// create a menu bar
	106	wxMenu *menuFile = new wxMenu;
	107
	108	menuFile->Append(ClearID, "&Clear log\tCtrl-L");
	109	menuFile->AppendSeparator();
	110
	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
	116	menuFile->AppendCheckItem(SkipID, "Call event.&Skip()\tCtrl-S");
	117	menuFile->Check(SkipID, true);
	118	menuFile->AppendSeparator();
	119
	120	menuFile->Append(QuitID, "E&xit\tAlt-X", "Quit this program");
	121
	122	// the "About" item should be in the help menu
	123	wxMenu *menuHelp = new wxMenu;
	124	menuHelp->Append(wxID_ABOUT, "&About...\tF1", "Show about dialog");
	125
	126	// now append the freshly created menu to the menu bar...
	127	wxMenuBar *menuBar = new wxMenuBar();
	128	menuBar->Append(menuFile, "&File");
	129	menuBar->Append(menuHelp, "&Help");
	130
	131	// ... and attach this menu bar to the frame
	132	SetMenuBar(menuBar);
	133
	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
	146	m_logText = new wxTextCtrl(this, wxID_ANY, "",
	147	wxDefaultPosition, wxDefaultSize,
	148	wxTE_MULTILINE\|wxTE_READONLY\|wxHSCROLL);
	149
	150	// set monospace font to have output in nice columns
	151	wxFont font(10, wxFONTFAMILY_TELETYPE,
	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
	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
	190	// connect event handlers for the blue input window
	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);
	197	m_inputWin->Connect(wxEVT_PAINT,
	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);
	204	}
	205
	206	// event handlers
	207
	208	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	209	{
	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);
	215	}
	216
	217	void MyFrame::OnPaintInputWin(wxPaintEvent& WXUNUSED(event))
	218	{
	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
	226	dc.DrawLabel("Press keys here",
	227	m_inputWin->GetClientRect(), wxALIGN_CENTER);
	228	}
	229
	230
	231	// helper function that returns textual description of wx virtual keycode
	232	const char* GetVirtualKeyCodeName(int keycode)
	233	{
	234	switch ( keycode )
	235	{
	236	#define WXK_(x) \
	237	case WXK_##x: return #x;
	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)
	338	#undef WXK_
	339	default:
	340	return NULL;
	341	}
	342	}
	343
	344	// helper function that returns textual description of key in the event
	345	wxString GetKeyName(const wxKeyEvent &event)
	346	{
	347	int keycode = event.GetKeyCode();
	348	const char* virt = GetVirtualKeyCodeName(keycode);
	349	if ( virt )
	350	return virt;
	351	if ( keycode > 0 && keycode < 27 )
	352	return wxString::Format("Ctrl-%c", (unsigned char)('A' + keycode - 1));
	353	if ( keycode >= 27 && keycode < 128 )
	354	return wxString::Format("'%c'", (unsigned char)keycode);
	355	#if wxUSE_UNICODE
	356	return wxString::Format("'%c'", event.GetUnicodeKey());
	357	#else
	358	return "unknown";
	359	#endif
	360	}
	361
	362
	363	void MyFrame::LogEvent(const wxString& name, wxKeyEvent& event)
	364	{
	365	wxString msg;
	366	// event key_name KeyCode modifiers Unicode raw_code raw_flags
	367	msg.Printf("%7s %15s %5d %c%c%c%c"
	368	#if wxUSE_UNICODE
	369	"%5d (U+%04x)"
	370	#else
	371	" none "
	372	#endif
	373	#ifdef wxHAS_RAW_KEY_CODES
	374	" %7lu 0x%lx"
	375	#else
	376	" not-set not-set"
	377	#endif
	378	"\n",
	379	name,
	380	GetKeyName(event),
	381	event.GetKeyCode(),
	382	event.ControlDown() ? 'C' : '-',
	383	event.AltDown() ? 'A' : '-',
	384	event.ShiftDown() ? 'S' : '-',
	385	event.MetaDown() ? 'M' : '-'
	386	#if wxUSE_UNICODE
	387	, event.GetUnicodeKey()
	388	, event.GetUnicodeKey()
	389	#endif
	390	#ifdef wxHAS_RAW_KEY_CODES
	391	, (unsigned long) event.GetRawKeyCode()
	392	, (unsigned long) event.GetRawKeyFlags()
	393	#endif
	394	);
	395
	396	m_logText->AppendText(msg);
	397
	398	if ( m_skip )
	399	event.Skip();
	400	}
	401
	402