wxWidgets/samples/xrc/derivdlg.cpp
2014-03-30 07:07:55 +00:00

110 lines
4.5 KiB
C++

//-----------------------------------------------------------------------------
// Name: derivdlg.cpp
// Purpose: XML resources sample: A derived dialog
// Author: Robert O'Connor (rob@medicalmnemonics.com), Vaclav Slavik
// Copyright: (c) Robert O'Connor and Vaclav Slavik
// Licence: wxWindows licence
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Standard wxWidgets headers
//-----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// For all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers)
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
//-----------------------------------------------------------------------------
// Header of this .cpp file
//-----------------------------------------------------------------------------
#include "derivdlg.h"
//-----------------------------------------------------------------------------
// Remaining headers: Needed wx headers, then wx/contrib headers, then application headers
//-----------------------------------------------------------------------------
#include "wx/xrc/xmlres.h" // XRC XML resouces
//-----------------------------------------------------------------------------
// Event table: connect the events to the handler functions to process them
//-----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(PreferencesDialog, wxDialog)
EVT_BUTTON( XRCID( "my_button" ), PreferencesDialog::OnMyButtonClicked )
EVT_UPDATE_UI(XRCID( "my_checkbox" ), PreferencesDialog::OnUpdateUIMyCheckbox )
// Note that the ID here isn't a XRCID, it is one of the standard wx ID's.
EVT_BUTTON( wxID_OK, PreferencesDialog::OnOK )
wxEND_EVENT_TABLE()
//-----------------------------------------------------------------------------
// Public members
//-----------------------------------------------------------------------------
// Constructor (Notice how small and easy it is)
PreferencesDialog::PreferencesDialog(wxWindow* parent)
{
wxXmlResource::Get()->LoadDialog(this, parent, wxT("derived_dialog"));
}
//-----------------------------------------------------------------------------
// Private members (including the event handlers)
//-----------------------------------------------------------------------------
void PreferencesDialog::OnMyButtonClicked( wxCommandEvent &WXUNUSED(event) )
{
// Construct a message dialog.
wxMessageDialog msgDlg(this, _("You clicked on My Button"));
// Show it modally.
msgDlg.ShowModal();
}
// Update the enabled/disabled state of the edit/delete buttons depending on
// whether a row (item) is selected in the listctrl
void PreferencesDialog::OnUpdateUIMyCheckbox( wxUpdateUIEvent &WXUNUSED(event) )
{
// Get a boolean value of whether the checkbox is checked
bool myCheckBoxIsChecked;
// You could just write:
// myCheckBoxIsChecked = event.IsChecked();
// since the event that was passed into this function already has the
// is a pointer to the right control. However,
// this is the XRCCTRL way (which is more obvious as to what is going on).
myCheckBoxIsChecked = XRCCTRL(*this, "my_checkbox", wxCheckBox)->IsChecked();
// Now call either Enable(true) or Enable(false) on the textctrl, depending
// on the value of that boolean.
XRCCTRL(*this, "my_textctrl", wxTextCtrl)->Enable(myCheckBoxIsChecked);
}
void PreferencesDialog::OnOK( wxCommandEvent& WXUNUSED(event) )
{
// Construct a message dialog (An extra parameters to put a cancel button on).
wxMessageDialog msgDlg2(this, _("Press OK to close Derived dialog, or Cancel to abort"),
_("Overriding base class OK button handler"),
wxOK | wxCANCEL | wxCENTER );
// Show the message dialog, and if it returns wxID_OK (ie they clicked on OK button)...
if (msgDlg2.ShowModal() == wxID_OK)
{
// ...then end this Preferences dialog.
EndModal( wxID_OK );
// You could also have used event.Skip() which would then skip up
// to the wxDialog's event table and see if there was a EVT_BUTTON
// handler for wxID_OK and if there was, then execute that code.
}
// Otherwise do nothing.
}