src/gtk/dialog.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dialog.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "dialog.h"
  13 #endif
  14
  15 #include "wx/dialog.h"
  16 #include "wx/frame.h"
  17 #include "wx/app.h"
  18 #include "wx/gtk/win_gtk.h"
  19
  20 //-----------------------------------------------------------------------------
  21 // delete
  22
  23 bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  24 {
  25 /*
  26   printf( "OnDelete from " );
  27   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  28     printf( win->GetClassInfo()->GetClassName() );
  29   printf( ".\n" );
  30 */
  31
  32   win->Close();
  33
  34   return TRUE;
  35 };
  36
  37 //-----------------------------------------------------------------------------
  38 // wxDialog
  39 //-----------------------------------------------------------------------------
  40
  41 BEGIN_EVENT_TABLE(wxDialog,wxWindow)
  42   EVT_BUTTON  (wxID_OK,       wxDialog::OnOk)
  43   EVT_BUTTON  (wxID_CANCEL,   wxDialog::OnCancel)
  44   EVT_BUTTON  (wxID_APPLY,    wxDialog::OnApply)
  45   EVT_CLOSE   (wxDialog::OnCloseWindow)
  46 END_EVENT_TABLE()
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxWindow)
  49
  50 wxDialog::wxDialog(void)
  51 {
  52   m_title = "";
  53   m_modalShowing = TRUE;
  54   wxTopLevelWindows.Insert( this );
  55 };
  56
  57 wxDialog::wxDialog( wxWindow *parent,
  58       wxWindowID id, const wxString &title,
  59       const wxPoint &pos, const wxSize &size,
  60       long style, const wxString &name )
  61 {
  62   wxTopLevelWindows.Insert( this );
  63   Create( parent, id, title, pos, size, style, name );
  64 };
  65
  66 bool wxDialog::Create( wxWindow *parent,
  67       wxWindowID id, const wxString &title,
  68       const wxPoint &pos, const wxSize &size,
  69       long style, const wxString &name )
  70 {
  71   m_needParent = FALSE;
  72
  73   PreCreation( parent, id, pos, size, style, name );
  74
  75   m_modalShowing = ((m_windowStyle & wxDIALOG_MODAL) == wxDIALOG_MODAL);
  76
  77   m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
  78   GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
  79
  80   gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
  81
  82   gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
  83     GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
  84
  85   m_wxwindow = gtk_myfixed_new();
  86   gtk_widget_show( m_wxwindow );
  87   GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
  88
  89   gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
  90
  91   SetTitle( title );
  92
  93   PostCreation();
  94
  95   return TRUE;
  96 };
  97
  98 wxDialog::~wxDialog(void)
  99 {
 100   wxTopLevelWindows.DeleteObject( this );
 101   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 102 };
 103
 104 void wxDialog::SetTitle(const wxString& title )
 105 {
 106   m_title = title;
 107   gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
 108 };
 109
 110 wxString wxDialog::GetTitle(void) const
 111 {
 112   return (wxString&)m_title;
 113 };
 114
 115 void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
 116 {
 117   if (Validate()) TransferDataFromWindow();
 118 };
 119
 120 void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
 121 {
 122   if (IsModal())
 123     EndModal(wxID_CANCEL);
 124   else
 125   {
 126     SetReturnCode(wxID_CANCEL);
 127     this->Show(FALSE);
 128   };
 129 };
 130
 131 void wxDialog::OnOk( wxCommandEvent &WXUNUSED(event) )
 132 {
 133   if ( Validate() && TransferDataFromWindow())
 134   {
 135     if (IsModal())
 136       EndModal(wxID_OK);
 137     else
 138     {
 139       SetReturnCode(wxID_OK);
 140       this->Show(FALSE);
 141     };
 142   };
 143   EndModal( wxID_OK );
 144 };
 145
 146 void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
 147 {
 148   // yes
 149 };
 150
 151 bool wxDialog::OnClose(void)
 152 {
 153   static wxList closing;
 154
 155   if (closing.Member(this)) return FALSE;   // no loops
 156
 157   closing.Append(this);
 158
 159   wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 160   cancelEvent.SetEventObject( this );
 161   GetEventHandler()->ProcessEvent(cancelEvent);
 162   closing.DeleteObject(this);
 163
 164   return FALSE;
 165 }
 166
 167 void wxDialog::OnCloseWindow(wxCloseEvent& event)
 168 {
 169   if (GetEventHandler()->OnClose() || event.GetForce())
 170   {
 171     this->Destroy();
 172   };
 173 };
 174
 175 bool wxDialog::Show( bool show )
 176 {
 177   if (!show && m_modalShowing)
 178   {
 179     EndModal( wxID_CANCEL );
 180   };
 181
 182   wxWindow::Show( show );
 183
 184   if (show) InitDialog();
 185
 186   if (show && m_modalShowing)
 187   {
 188     gtk_grab_add( m_widget );
 189     gtk_main();
 190     gtk_grab_remove( m_widget );
 191   };
 192
 193   return TRUE;
 194 };
 195
 196 int wxDialog::ShowModal(void)
 197 {
 198   Show( TRUE );
 199   return GetReturnCode();
 200 };
 201
 202 void wxDialog::EndModal( int retCode )
 203 {
 204   gtk_main_quit();
 205   SetReturnCode( retCode );
 206 };
 207
 208 void wxDialog::InitDialog(void)
 209 {
 210   wxWindow::InitDialog();
 211 };
 212