made operator==() and \!=() const (still doesn't make them correct probably)

[wxWidgets.git] / samples / event / event.cpp

diff --git a/samples/event/event.cpp b/samples/event/event.cpp
index 15895cf038e5d74ea30f93358b04c0f043f8cb3a..380cdd17bd1c995463f5f78815a0b6a684977cf2 100644 (file)
--- a/samples/event/event.cpp
+++ b/samples/event/event.cpp
@@ -37,6 +37,33 @@
     #include "wx/wx.h"
 #endif
 
     #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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------


@@ -70,6 +97,9 @@ public:
     void OnPopEventHandler(wxCommandEvent& event);
     void OnTest(wxCommandEvent& event);
 
     void OnPopEventHandler(wxCommandEvent& event);
     void OnTest(wxCommandEvent& event);
 

+    void OnFireCustom(wxCommandEvent& event);
+    void OnProcessCustom(wxCommandEvent& event);
+

     void OnUpdateUIPop(wxUpdateUIEvent& event);
 
 protected:
     void OnUpdateUIPop(wxUpdateUIEvent& event);
 
 protected:


@@ -116,6 +146,7 @@ enum
     Event_Dynamic,
     Event_Push,
     Event_Pop,
     Event_Dynamic,
     Event_Push,
     Event_Pop,

+    Event_Custom,

     Event_Test
 };
 
     Event_Test
 };
 


@@ -140,11 +171,17 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 
     EVT_MENU(Event_Connect, MyFrame::OnConnect)
 
 
     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_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)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)


@@ -170,8 +207,8 @@ IMPLEMENT_APP(MyApp)
 bool MyApp::OnInit()
 {
     // create the main application window
 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)
 
     // 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)
 {
 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;
 
     // 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->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;
 
     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 */);
                      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->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();
 
     // 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);
 
     // ... 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
     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))
 {
 
 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))
 {
 
 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)
 }
 
 void MyFrame::OnConnect(wxCommandEvent& event)


@@ -319,3 +365,19 @@ void MyFrame::OnUpdateUIPop(wxUpdateUIEvent& event)
     event.Enable( m_nPush > 0 );
 }
 
     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!"));
+}
+