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added custom events demo

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13018 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-12-14 23:38:33 +00:00
parent 3f345b477e
commit 4ec2df6cbc
1 changed files with 70 additions and 17 deletions
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87
samples/event/event.cpp
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@@ -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 +171,14 @@ 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)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
@@ -170,8 +204,8 @@ 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)
@@ -197,35 +231,38 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
// 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
@@ -322,3 +359,19 @@ 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!"));
}