wxWidgets/src/gtk1/dialog.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        dialog.cpp
// Purpose:
// Author:      Robert Roebling
// Created:     01/02/97
// Id:
// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence:   	wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "dialog.h"
#endif

#include "wx/dialog.h"
#include "wx/frame.h"
#include "wx/app.h"
#include "wx/gtk/win_gtk.h"

//-----------------------------------------------------------------------------

extern wxList wxPendingDelete;

//-----------------------------------------------------------------------------
// delete

bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
{ 
/*
  printf( "OnDelete from " );
  if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
    printf( win->GetClassInfo()->GetClassName() );
  printf( ".\n" );
*/
  
  win->Close();

  return TRUE;
};

//-----------------------------------------------------------------------------
// wxDialog
//-----------------------------------------------------------------------------

BEGIN_EVENT_TABLE(wxDialog,wxWindow)
  EVT_BUTTON  (wxID_OK,       wxDialog::OnOk)
  EVT_BUTTON  (wxID_CANCEL,   wxDialog::OnCancel)
  EVT_BUTTON  (wxID_APPLY,    wxDialog::OnApply)
  EVT_CLOSE   (wxDialog::OnCloseWindow)
END_EVENT_TABLE()

IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxWindow)

wxDialog::wxDialog(void)
{
  m_title = "";
  m_modalShowing = TRUE;
  wxTopLevelWindows.Insert( this );
};

wxDialog::wxDialog( wxWindow *parent, 
      wxWindowID id, const wxString &title,
      const wxPoint &pos, const wxSize &size, 
      long style, const wxString &name )
{
  wxTopLevelWindows.Insert( this );
  Create( parent, id, title, pos, size, style, name );
};

bool wxDialog::Create( wxWindow *parent,
      wxWindowID id, const wxString &title,
      const wxPoint &pos, const wxSize &size, 
      long style, const wxString &name )
{
  m_needParent = FALSE;
  
  PreCreation( parent, id, pos, size, style, name );
  
  m_modalShowing = ((m_windowStyle & wxDIALOG_MODAL) == wxDIALOG_MODAL);
  
  m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
  GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 
  gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
  
  gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", 
    GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
    
  m_wxwindow = gtk_myfixed_new();
  gtk_widget_show( m_wxwindow );
  GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
  
  gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
  
  SetTitle( title );
  
  PostCreation();
  
  return TRUE;
};

wxDialog::~wxDialog(void)
{
  wxTopLevelWindows.DeleteObject( this );
  if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
};

void wxDialog::SetTitle(const wxString& title )
{
  m_title = title;
  gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
};

wxString wxDialog::GetTitle(void) const
{
  return (wxString&)m_title;
};

void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
{
  if (Validate()) TransferDataFromWindow();
};

void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
{
  if (IsModal())
  {
    EndModal(wxID_CANCEL);
  }
  else
  {
    SetReturnCode(wxID_CANCEL);
    this->Show(FALSE);
  };
};

void wxDialog::OnOk( wxCommandEvent &WXUNUSED(event) )
{
  if ( Validate() && TransferDataFromWindow())
  {
    if (IsModal()) 
    {
      EndModal(wxID_OK);
    }
    else
    {
      SetReturnCode(wxID_OK);
      this->Show(FALSE);
    };
  };
};

void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
  // yes
};

bool wxDialog::OnClose(void)
{
  static wxList closing;

  if (closing.Member(this)) return FALSE;   // no loops
  
  closing.Append(this);

  wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  cancelEvent.SetEventObject( this );
  GetEventHandler()->ProcessEvent(cancelEvent);
  closing.DeleteObject(this);
  
  return FALSE;
}

bool wxDialog::Destroy(void)
{
  if (!wxPendingDelete.Member(this))
    wxPendingDelete.Append(this);

  return TRUE;
}

void wxDialog::OnCloseWindow(wxCloseEvent& event)
{
  if (GetEventHandler()->OnClose() || event.GetForce())
  {
    this->Destroy();
  };
};

bool wxDialog::Show( bool show )
{
  if (!show && m_modalShowing)
  {
    EndModal( wxID_CANCEL );
  };

  wxWindow::Show( show );
  
  if (show) InitDialog();
  
  if (show && m_modalShowing)
  {
    gtk_grab_add( m_widget );
    gtk_main();
    gtk_grab_remove( m_widget );
  };
  
  return TRUE;
};

int wxDialog::ShowModal(void)
{
  Show( TRUE );
  return GetReturnCode();
};

void wxDialog::EndModal( int retCode )
{
  SetReturnCode( retCode );
  gtk_main_quit();
};

void wxDialog::InitDialog(void)
{
  wxWindow::InitDialog();
};