/////////////////////////////////////////////////////////////////////////////
// Name: event.cpp
-// Purpose: wxWindows sample demonstrating different event usage
+// Purpose: wxWidgets sample demonstrating different event usage
// Author: Vadim Zeitlin
// Modified by:
// Created: 31.01.01
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- // DO NOT use event.cpp here, it breaks statics initialization in
- // src/common/event.cpp and nothing works at all then!
- #pragma implementation "eventsample.cpp"
- #pragma interface "eventsample.cpp"
-#endif
-
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#endif
// for all others, include the necessary headers (this file is usually all you
-// need because it includes almost all "standard" wxWindows headers)
+// need because it includes almost all "standard" wxWidgets headers)
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
// 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, \
+ wxEVT_MY_CUSTOM_COMMAND, id, wxID_ANY, \
+ (wxObjectEventFunction)(wxEventFunction) wxStaticCastEvent( wxCommandEventFunction, &fn ), \
(wxObject *) NULL \
),
protected:
// number of pushed event handlers
- size_t m_nPush;
+ unsigned m_nPush;
private:
- // any class wishing to process wxWindows events must use this macro
+ // any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
};
}
private:
- size_t m_level;
+ unsigned m_level;
DECLARE_EVENT_TABLE()
};
};
// ----------------------------------------------------------------------------
-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
-// the event tables connect the wxWindows events with the functions (event
+// the event tables connect the wxWidgets events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_UPDATE_UI(Event_Pop, MyFrame::OnUpdateUIPop)
- EVT_MY_CUSTOM_COMMAND(-1, MyFrame::OnProcessCustom)
+ EVT_MY_CUSTOM_COMMAND(wxID_ANY, MyFrame::OnProcessCustom)
- // this would also work:
- //EVT_CUSTOM(wxEVT_MY_CUSTOM_COMMAND, -1, MyFrame::OnProcessCustom)
+ // the line below would also work if OnProcessCustom() were defined as
+ // taking a wxEvent (as required by EVT_CUSTOM) and not wxCommandEvent
+ //EVT_CUSTOM(wxEVT_MY_CUSTOM_COMMAND, wxID_ANY, MyFrame::OnProcessCustom)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
EVT_MENU(Event_Test, MyEvtHandler::OnTest)
END_EVENT_TABLE()
-// Create a new application object: this macro will allow wxWindows to create
+// Create a new application object: this macro will allow wxWidgets to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// 'Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
+ if ( !wxApp::OnInit() )
+ return false;
+
// create the main application window
- MyFrame *frame = new MyFrame(_T("Event wxWindows Sample"),
+ MyFrame *frame = new MyFrame(_T("Event wxWidgets Sample"),
wxPoint(50, 50), wxSize(600, 340));
// and show it (the frames, unlike simple controls, are not shown when
// created initially)
- frame->Show(TRUE);
+ frame->Show(true);
// success: wxApp::OnRun() will be called which will enter the main message
- // loop and the application will run. If we returned FALSE here, the
+ // loop and the application will run. If we returned false here, the
// application would exit immediately.
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
- : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+ : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
{
// init members
m_nPush = 0;
wxMenu *menuEvent = new wxMenu;
menuEvent->Append(Event_Connect, _T("&Connect\tCtrl-C"),
_T("Connect or disconnect the dynamic event handler"),
- TRUE /* checkable */);
+ true /* checkable */);
menuEvent->Append(Event_Dynamic, _T("&Dynamic event\tCtrl-D"),
_T("Dynamic event sample - only works after Connect"));
menuEvent->AppendSeparator();
#if wxUSE_STATUSBAR
CreateStatusBar(3);
- SetStatusText(_T("Welcome to wxWindows event sample"));
+ SetStatusText(_T("Welcome to wxWidgets event sample"));
SetStatusText(_T("Dynamic: off"), Status_Dynamic);
SetStatusText(_T("Push count: 0"), Status_Push);
#endif // wxUSE_STATUSBAR
// crashes!
while ( m_nPush-- != 0 )
{
- PopEventHandler(TRUE /* delete handler */);
+ PopEventHandler(true /* delete handler */);
}
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
- // TRUE is to force the frame to close
- Close(TRUE);
+ // true is to force the frame to close
+ Close(true);
}
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("(c) 2001 Vadim Zeitlin"),
+ wxT("About Event Sample"), wxOK | wxICON_INFORMATION, this );
}
// ----------------------------------------------------------------------------
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)
if ( event.IsChecked() )
{
// disconnect
- Connect(Event_Dynamic, -1, wxEVT_COMMAND_MENU_SELECTED,
+ Connect(Event_Dynamic, wxID_ANY, wxEVT_COMMAND_MENU_SELECTED,
(wxObjectEventFunction)
(wxEventFunction)
(wxCommandEventFunction)&MyFrame::OnDynamic);
+#if wxUSE_STATUSBAR
SetStatusText(_T("You can now use \"Dynamic\" item in the menu"));
SetStatusText(_T("Dynamic: on"), Status_Dynamic);
+#endif // wxUSE_STATUSBAR
}
else // connect
{
- Disconnect(Event_Dynamic, -1, wxEVT_COMMAND_MENU_SELECTED);
+ Disconnect(Event_Dynamic, wxID_ANY, wxEVT_COMMAND_MENU_SELECTED);
+#if wxUSE_STATUSBAR
SetStatusText(_T("You can no more use \"Dynamic\" item in the menu"));
SetStatusText(_T("Dynamic: off"), Status_Dynamic);
+#endif // wxUSE_STATUSBAR
}
}
{
PushEventHandler(new MyEvtHandler(++m_nPush));
+#if wxUSE_STATUSBAR
SetStatusText(wxString::Format(_T("Push count: %u"), m_nPush), Status_Push);
+#endif // wxUSE_STATUSBAR
}
void MyFrame::OnPopEventHandler(wxCommandEvent& WXUNUSED(event))
{
wxCHECK_RET( m_nPush, _T("this command should be disabled!") );
- PopEventHandler(TRUE /* delete handler */);
+ PopEventHandler(true /* delete handler */);
m_nPush--;
+#if wxUSE_STATUSBAR
SetStatusText(wxString::Format(_T("Push count: %u"), m_nPush), Status_Push);
+#endif // wxUSE_STATUSBAR
}
-void MyFrame::OnTest(wxCommandEvent& event)
+void MyFrame::OnTest(wxCommandEvent& WXUNUSED(event))
{
wxLogMessage(_T("This is the test event handler in the main frame"));
}
// custom event methods
// ----------------------------------------------------------------------------
-void MyFrame::OnFireCustom(wxCommandEvent& event)
+void MyFrame::OnFireCustom(wxCommandEvent& WXUNUSED(event))
{
wxCommandEvent eventCustom(wxEVT_MY_CUSTOM_COMMAND);
wxPostEvent(this, eventCustom);
}
-void MyFrame::OnProcessCustom(wxCommandEvent& event)
+void MyFrame::OnProcessCustom(wxCommandEvent& WXUNUSED(event))
{
wxLogMessage(_T("Got a custom event!"));
}
projects / wxWidgets.git / blobdiff