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add Bind() test

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60202 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-04-16 16:34:35 +00:00
parent b3710b1030
commit 8584ae1cd6
1 changed files with 107 additions and 32 deletions
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139
samples/event/event.cpp
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@@ -5,7 +5,7 @@
// Modified by:
// Created: 31.01.01
// RCS-ID: $Id$
// Copyright: (c) 2001 Vadim Zeitlin
// Copyright: (c) 2001-2009 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
@@ -77,6 +77,9 @@ public:
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
#if !wxEVENTS_COMPATIBILITY_2_8
void OnBind(wxCommandEvent& event);
#endif // !wxEVENTS_COMPATIBILITY_2_8
void OnConnect(wxCommandEvent& event);
void OnDynamic(wxCommandEvent& event);
void OnPushEventHandler(wxCommandEvent& event);
@@ -88,11 +91,37 @@ public:
void OnUpdateUIPop(wxUpdateUIEvent& event);
protected:
private:
// symbolic names for the status bar fields
enum
{
Status_Main = 0,
Status_Dynamic,
Status_Push
};
void UpdateDynamicStatus(bool on)
{
#if wxUSE_STATUSBAR
if ( on )
{
SetStatusText("You can now use \"Dynamic\" item in the menu");
SetStatusText("Dynamic: on", Status_Dynamic);
}
else
{
SetStatusText("You can no more use \"Dynamic\" item in the menu");
SetStatusText("Dynamic: off", Status_Dynamic);
}
#endif // wxUSE_STATUSBAR
}
// number of pushed event handlers
unsigned m_nPush;
private:
// the button to whose event we connect dynamically
wxButton *m_btnDynamic;
// any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
};
@@ -128,6 +157,7 @@ enum
// menu items
Event_Quit = 1,
Event_About,
Event_Bind,
Event_Connect,
Event_Dynamic,
Event_Push,
@@ -136,14 +166,6 @@ enum
Event_Test
};
// status bar fields
enum
{
Status_Main = 0,
Status_Dynamic,
Status_Push
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
@@ -155,6 +177,9 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Event_Quit, MyFrame::OnQuit)
EVT_MENU(Event_About, MyFrame::OnAbout)
#if !wxEVENTS_COMPATIBILITY_2_8
EVT_MENU(Event_Bind, MyFrame::OnBind)
#endif // !wxEVENTS_COMPATIBILITY_2_8
EVT_MENU(Event_Connect, MyFrame::OnConnect)
EVT_MENU(Event_Custom, MyFrame::OnFireCustom)
@@ -216,12 +241,13 @@ bool MyApp::OnInit()
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
: wxFrame(NULL, wxID_ANY, title, pos, size)
{
SetIcon(wxICON(sample));
// init members
m_nPush = 0;
m_btnDynamic = NULL;
// create a menu bar
wxMenu *menuFile = new wxMenu;
@@ -231,9 +257,12 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
menuFile->Append(Event_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
wxMenu *menuEvent = new wxMenu;
menuEvent->Append(Event_Connect, _T("&Connect\tCtrl-C"),
_T("Connect or disconnect the dynamic event handler"),
true /* checkable */);
#if !wxEVENTS_COMPATIBILITY_2_8
menuEvent->AppendCheckItem(Event_Bind, "&Bind\tCtrl-B",
"Bind or unbind a dynamic event handler");
#endif // !wxEVENTS_COMPATIBILITY_2_8
menuEvent->AppendCheckItem(Event_Connect, _T("&Connect\tCtrl-C"),
_T("Connect or disconnect the dynamic event handler"));
menuEvent->Append(Event_Dynamic, _T("&Dynamic event\tCtrl-D"),
_T("Dynamic event sample - only works after Connect"));
menuEvent->AppendSeparator();
@@ -261,6 +290,16 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
SetStatusText(_T("Dynamic: off"), Status_Dynamic);
SetStatusText(_T("Push count: 0"), Status_Push);
#endif // wxUSE_STATUSBAR
wxPanel * const panel = new wxPanel(this);
wxSizer * const sizer = new wxBoxSizer(wxHORIZONTAL);
const wxSizerFlags centreY(wxSizerFlags().Centre().Border());
sizer->Add(new wxStaticText(panel, wxID_ANY,
"This button will only work if its handler is dynamically connected"),
centreY);
m_btnDynamic = new wxButton(panel, Event_Dynamic, "&Dynamic button");
sizer->Add(m_btnDynamic, centreY);
panel->SetSizer(sizer);
}
MyFrame::~MyFrame()
@@ -285,47 +324,83 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox( wxT("Event sample shows different ways of using events\n")
wxT("(c) 2001 Vadim Zeitlin"),
wxT("About Event Sample"), wxOK | wxICON_INFORMATION, this );
wxMessageBox("Event sample shows different ways of using events\n"
"(c) 2001-2009 Vadim Zeitlin",
"About wxWidgets Event Sample",
wxOK | wxICON_INFORMATION, this);
}
// ----------------------------------------------------------------------------
// dynamic event handling stuff
// ----------------------------------------------------------------------------
void MyFrame::OnDynamic(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnDynamic(wxCommandEvent& event)
{
wxString origin;
if ( event.GetEventObject() == this )
origin = "menu item";
else if ( event.GetEventObject() == m_btnDynamic )
origin = "button";
else
origin = "unknown event source";
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
"This message box is shown from the dynamically connected "
"event handler in response to event generated by " + origin,
"wxWidgets Event Sample", wxOK | wxICON_INFORMATION, this
);
}
#if !wxEVENTS_COMPATIBILITY_2_8
void MyFrame::OnBind(wxCommandEvent& event)
{
if ( event.IsChecked() )
{
// as we bind directly to the button, there is no need to use an id
// here: the button will only ever get its own events
m_btnDynamic->Bind(wxEVT_COMMAND_BUTTON_CLICKED, &MyFrame::OnDynamic,
this);
// but we do need the id for the menu command as the frame gets all of
// them
Bind(wxEVT_COMMAND_MENU_SELECTED, &MyFrame::OnDynamic, this,
Event_Dynamic);
}
else // disconnect
{
m_btnDynamic->Unbind(wxEVT_COMMAND_BUTTON_CLICKED,
&MyFrame::OnDynamic, this);
Unbind(wxEVT_COMMAND_MENU_SELECTED, &MyFrame::OnDynamic, this,
Event_Dynamic);
}
UpdateDynamicStatus(event.IsChecked());
}
#endif // !wxEVENTS_COMPATIBILITY_2_8
void MyFrame::OnConnect(wxCommandEvent& event)
{
if ( event.IsChecked() )
{
m_btnDynamic->Connect(wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,
wxCommandEventHandler(MyFrame::OnDynamic),
NULL, this);
Connect(Event_Dynamic, wxEVT_COMMAND_MENU_SELECTED,
wxCommandEventHandler(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 // disconnect
{
m_btnDynamic->Disconnect(wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,
wxCommandEventHandler(MyFrame::OnDynamic),
NULL, this);
Disconnect(Event_Dynamic, wxEVT_COMMAND_MENU_SELECTED,
wxCommandEventHandler(MyFrame::OnDynamic));
#if wxUSE_STATUSBAR
SetStatusText(_T("You can no more use \"Dynamic\" item in the menu"));
SetStatusText(_T("Dynamic: off"), Status_Dynamic);
#endif // wxUSE_STATUSBAR
}
UpdateDynamicStatus(event.IsChecked());
}
// ----------------------------------------------------------------------------