X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6164f93ca283074f4a0209ede0bc3fef3c68d996..4b912ef220f5509b4d6a09a38c9e7839b5f11a6b:/samples/event/event.cpp diff --git a/samples/event/event.cpp b/samples/event/event.cpp index 15895cf038..380cdd17bd 100644 --- a/samples/event/event.cpp +++ b/samples/event/event.cpp @@ -37,6 +37,33 @@ #include "wx/wx.h" #endif +// ---------------------------------------------------------------------------- +// event constants +// ---------------------------------------------------------------------------- + +// declare a custom event type +// +// note that in wxWin 2.3+ these macros expand simply into the following code: +// +// extern const wxEventType wxEVT_MY_CUSTOM_COMMAND; +// +// const wxEventType wxEVT_MY_CUSTOM_COMMAND = wxNewEventType(); +// +// and you may use this code directly if you don't care about 2.2 compatibility +BEGIN_DECLARE_EVENT_TYPES() + DECLARE_EVENT_TYPE(wxEVT_MY_CUSTOM_COMMAND, 7777) +END_DECLARE_EVENT_TYPES() + +DEFINE_EVENT_TYPE(wxEVT_MY_CUSTOM_COMMAND) + +// it may also be convenient to define an event table macro for this event type +#define EVT_MY_CUSTOM_COMMAND(id, fn) \ + DECLARE_EVENT_TABLE_ENTRY( \ + wxEVT_MY_CUSTOM_COMMAND, id, -1, \ + (wxObjectEventFunction)(wxEventFunction)(wxCommandEventFunction)&fn, \ + (wxObject *) NULL \ + ), + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -70,6 +97,9 @@ public: void OnPopEventHandler(wxCommandEvent& event); void OnTest(wxCommandEvent& event); + void OnFireCustom(wxCommandEvent& event); + void OnProcessCustom(wxCommandEvent& event); + void OnUpdateUIPop(wxUpdateUIEvent& event); protected: @@ -116,6 +146,7 @@ enum Event_Dynamic, Event_Push, Event_Pop, + Event_Custom, Event_Test }; @@ -140,11 +171,17 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Event_Connect, MyFrame::OnConnect) + EVT_MENU(Event_Custom, MyFrame::OnFireCustom) EVT_MENU(Event_Test, MyFrame::OnTest) EVT_MENU(Event_Push, MyFrame::OnPushEventHandler) EVT_MENU(Event_Pop, MyFrame::OnPopEventHandler) EVT_UPDATE_UI(Event_Pop, MyFrame::OnUpdateUIPop) + + EVT_MY_CUSTOM_COMMAND(-1, MyFrame::OnProcessCustom) + + // this would also work: + //EVT_CUSTOM(wxEVT_MY_CUSTOM_COMMAND, -1, MyFrame::OnProcessCustom) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler) @@ -170,8 +207,8 @@ IMPLEMENT_APP(MyApp) bool MyApp::OnInit() { // create the main application window - MyFrame *frame = new MyFrame("Event wxWindows Sample", - wxPoint(50, 50), wxSize(450, 340)); + MyFrame *frame = new MyFrame(_T("Event wxWindows Sample"), + wxPoint(50, 50), wxSize(600, 340)); // and show it (the frames, unlike simple controls, are not shown when // created initially) @@ -191,38 +228,44 @@ bool MyApp::OnInit() MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) : wxFrame((wxFrame *)NULL, -1, title, pos, size) { + // init members + m_nPush = 0; + // create a menu bar wxMenu *menuFile = new wxMenu; - menuFile->Append(Event_About, "&About...\tCtrl-A", "Show about dialog"); + menuFile->Append(Event_About, _T("&About...\tCtrl-A"), _T("Show about dialog")); menuFile->AppendSeparator(); - menuFile->Append(Event_Quit, "E&xit\tAlt-X", "Quit this program"); + menuFile->Append(Event_Quit, _T("E&xit\tAlt-X"), _T("Quit this program")); wxMenu *menuEvent = new wxMenu; - menuEvent->Append(Event_Connect, "&Connect\tCtrl-C", - "Connect or disconnect the dynamic event handler", + menuEvent->Append(Event_Connect, _T("&Connect\tCtrl-C"), + _T("Connect or disconnect the dynamic event handler"), TRUE /* checkable */); - menuEvent->Append(Event_Dynamic, "&Dynamic event\tCtrl-D", - "Dynamic event sample - only works after Connect"); + menuEvent->Append(Event_Dynamic, _T("&Dynamic event\tCtrl-D"), + _T("Dynamic event sample - only works after Connect")); menuEvent->AppendSeparator(); - menuEvent->Append(Event_Push, "&Push event handler\tCtrl-P", - "Push event handler for test event"); - menuEvent->Append(Event_Pop, "P&op event handler\tCtrl-O", - "Pop event handler for test event"); - menuEvent->Append(Event_Test, "Test event\tCtrl-T", - "Test event processed by pushed event handler"); + menuEvent->Append(Event_Push, _T("&Push event handler\tCtrl-P"), + _T("Push event handler for test event")); + menuEvent->Append(Event_Pop, _T("P&op event handler\tCtrl-O"), + _T("Pop event handler for test event")); + menuEvent->Append(Event_Test, _T("Test event\tCtrl-T"), + _T("Test event processed by pushed event handler")); + menuEvent->AppendSeparator(); + menuEvent->Append(Event_Custom, _T("Fire c&ustom event\tCtrl-U"), + _T("Generate a custom event")); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar(); - menuBar->Append(menuFile, "&File"); - menuBar->Append(menuEvent, "&Event"); + menuBar->Append(menuFile, _T("&File")); + menuBar->Append(menuEvent, _T("&Event")); // ... and attach this menu bar to the frame SetMenuBar(menuBar); #if wxUSE_STATUSBAR CreateStatusBar(3); - SetStatusText("Welcome to wxWindows event sample"); + SetStatusText(_T("Welcome to wxWindows event sample")); SetStatusText(_T("Dynamic: off"), Status_Dynamic); SetStatusText(_T("Push count: 0"), Status_Push); #endif // wxUSE_STATUSBAR @@ -250,9 +293,9 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - wxMessageBox(_T("Event sample shows different ways of using events\n" - "© 2001 Vadim Zeitlin"), - _T("About Event Sample"), wxOK | wxICON_INFORMATION, this); + wxMessageBox( wxT("Event sample shows different ways of using events\n") + wxT("© 2001 Vadim Zeitlin"), + wxT("About Event Sample"), wxOK | wxICON_INFORMATION, this ); } // ---------------------------------------------------------------------------- @@ -261,9 +304,12 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) void MyFrame::OnDynamic(wxCommandEvent& WXUNUSED(event)) { - wxMessageBox(_T("This is a dynamic event handler which can be connected " - "and disconnected during run-time."), - _T("Dynamic Event Handler"), wxOK | wxICON_INFORMATION, this); + wxMessageBox + ( + wxT("This is a dynamic event handler which can be connected ") + wxT("and disconnected at run-time."), + wxT("Dynamic Event Handler"), wxOK | wxICON_INFORMATION, this + ); } void MyFrame::OnConnect(wxCommandEvent& event) @@ -319,3 +365,19 @@ void MyFrame::OnUpdateUIPop(wxUpdateUIEvent& event) event.Enable( m_nPush > 0 ); } +// ---------------------------------------------------------------------------- +// custom event methods +// ---------------------------------------------------------------------------- + +void MyFrame::OnFireCustom(wxCommandEvent& event) +{ + wxCommandEvent eventCustom(wxEVT_MY_CUSTOM_COMMAND); + + wxPostEvent(this, eventCustom); +} + +void MyFrame::OnProcessCustom(wxCommandEvent& event) +{ + wxLogMessage(_T("Got a custom event!")); +} +