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added code showing that at least under Windows wxCombobox::GetSelection() return value changes even before EVT_COMBOBOX is sent

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35196 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2005-08-16 12:13:56 +00:00
parent a2ec9439a3
commit f226be17ad
1 changed files with 33 additions and 10 deletions
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43
samples/controls/controls.cpp
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@ -77,6 +77,7 @@ public:
virtual ~MyPanel();
void OnSize( wxSizeEvent& event );
void OnIdle( wxIdleEvent &event );
void OnListBox( wxCommandEvent &event );
void OnListBoxDoubleClick( wxCommandEvent &event );
void OnListBoxButtons( wxCommandEvent &event );
@ -481,6 +482,7 @@ const int ID_SIZER_CHECKBIG = 206;
BEGIN_EVENT_TABLE(MyPanel, wxPanel)
EVT_SIZE ( MyPanel::OnSize)
EVT_IDLE ( MyPanel::OnIdle)
EVT_BOOKCTRL_PAGE_CHANGING(ID_BOOK, MyPanel::OnPageChanging)
EVT_BOOKCTRL_PAGE_CHANGED(ID_BOOK, MyPanel::OnPageChanged)
EVT_LISTBOX (ID_LISTBOX, MyPanel::OnListBox)
@ -1049,6 +1051,26 @@ void MyPanel::OnSize( wxSizeEvent& WXUNUSED(event) )
if (m_text) m_text->SetSize( 2, y*2/3+2, x-4, y/3-4 );
}
void MyPanel::OnIdle(wxIdleEvent& event)
{
static const int INVALID_SELECTION = -2;
static int s_selCombo = INVALID_SELECTION;
int sel = m_combo->GetSelection();
if ( sel != s_selCombo )
{
if ( s_selCombo != INVALID_SELECTION )
{
wxLogMessage(_T("EVT_IDLE: combobox selection changed from %d to %d"),
s_selCombo, sel);
}
s_selCombo = sel;
}
event.Skip();
}
void MyPanel::OnPageChanging( wxBookCtrlEvent &event )
{
int selOld = event.GetOldSelection();
@ -1326,20 +1348,18 @@ void MyPanel::OnChoiceButtons( wxCommandEvent &event )
void MyPanel::OnCombo( wxCommandEvent &event )
{
m_text->AppendText( _T("ComboBox event selection string is: ") );
m_text->AppendText( event.GetString() );
m_text->AppendText( _T("\n") );
m_text->AppendText( _T("ComboBox control selection string is: ") );
m_text->AppendText( m_combo->GetStringSelection() );
m_text->AppendText( _T("\n") );
wxLogMessage(_T("EVT_COMBOBOX: item %d/%d (event/control), string \"%s\"/\"%s\""),
event.GetInt(),
m_combo->GetSelection(),
event.GetString().c_str(),
m_combo->GetStringSelection().c_str());
}
void MyPanel::OnComboTextChanged(wxCommandEvent& event)
{
wxString str;
str.Printf( wxT("Text in the combobox changed: now is '%s'."),
event.GetString().c_str() );
wxLogMessage( str.c_str() );
wxLogMessage(wxT("EVT_TEXT for the combobox: \"%s\" (event) or \"%s\" (control)."),
event.GetString().c_str(),
m_combo->GetValue().c_str());
}
void MyPanel::OnComboTextEnter(wxCommandEvent& WXUNUSED(event))
@ -1737,10 +1757,13 @@ void MyFrame::OnQuit (wxCommandEvent& WXUNUSED(event) )
void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
{
SetSize(800, 600);
#if 0
wxBusyCursor bc;
wxMessageDialog dialog(this, _T("This is a control sample"), _T("About Controls"), wxOK );
dialog.ShowModal();
#endif
}
void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))