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
  22 extern wxList wxPendingDelete;
  23
  24 //-----------------------------------------------------------------------------
  25 // delete
  26
  27 bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  28 {
  29 /*
  30   printf( "OnDelete from " );
  31   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  32     printf( win->GetClassInfo()->GetClassName() );
  33   printf( ".\n" );
  34 */
  35
  36   win->Close();
  37
  38   return TRUE;
  39 };
  40
  41 //-----------------------------------------------------------------------------
  42 // wxDialog
  43 //-----------------------------------------------------------------------------
  44
  45 BEGIN_EVENT_TABLE(wxDialog,wxWindow)
  46   EVT_BUTTON  (wxID_OK,       wxDialog::OnOk)
  47   EVT_BUTTON  (wxID_CANCEL,   wxDialog::OnCancel)
  48   EVT_BUTTON  (wxID_APPLY,    wxDialog::OnApply)
  49   EVT_CLOSE   (wxDialog::OnCloseWindow)
  50 END_EVENT_TABLE()
  51
  52 IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxWindow)
  53
  54 wxDialog::wxDialog(void)
  55 {
  56   m_title = "";
  57   m_modalShowing = TRUE;
  58   wxTopLevelWindows.Insert( this );
  59 };
  60
  61 wxDialog::wxDialog( wxWindow *parent,
  62       wxWindowID id, const wxString &title,
  63       const wxPoint &pos, const wxSize &size,
  64       long style, const wxString &name )
  65 {
  66   wxTopLevelWindows.Insert( this );
  67   Create( parent, id, title, pos, size, style, name );
  68 };
  69
  70 bool wxDialog::Create( wxWindow *parent,
  71       wxWindowID id, const wxString &title,
  72       const wxPoint &pos, const wxSize &size,
  73       long style, const wxString &name )
  74 {
  75   m_needParent = FALSE;
  76
  77   PreCreation( parent, id, pos, size, style, name );
  78
  79   m_modalShowing = ((m_windowStyle & wxDIALOG_MODAL) == wxDIALOG_MODAL);
  80
  81   m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
  82   GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
  83
  84   gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
  85
  86   gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
  87     GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
  88
  89   m_wxwindow = gtk_myfixed_new();
  90   gtk_widget_show( m_wxwindow );
  91   GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
  92
  93   gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
  94
  95   SetTitle( title );
  96
  97   PostCreation();
  98
  99   return TRUE;
 100 };
 101
 102 wxDialog::~wxDialog(void)
 103 {
 104   wxTopLevelWindows.DeleteObject( this );
 105   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 106 };
 107
 108 void wxDialog::SetTitle(const wxString& title )
 109 {
 110   m_title = title;
 111   gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
 112 };
 113
 114 wxString wxDialog::GetTitle(void) const
 115 {
 116   return (wxString&)m_title;
 117 };
 118
 119 void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
 120 {
 121   if (Validate()) TransferDataFromWindow();
 122 };
 123
 124 void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
 125 {
 126   if (IsModal())
 127   {
 128     EndModal(wxID_CANCEL);
 129   }
 130   else
 131   {
 132     SetReturnCode(wxID_CANCEL);
 133     this->Show(FALSE);
 134   };
 135 };
 136
 137 void wxDialog::OnOk( wxCommandEvent &WXUNUSED(event) )
 138 {
 139   if ( Validate() && TransferDataFromWindow())
 140   {
 141     if (IsModal())
 142     {
 143       EndModal(wxID_OK);
 144     }
 145     else
 146     {
 147       SetReturnCode(wxID_OK);
 148       this->Show(FALSE);
 149     };
 150   };
 151 };
 152
 153 void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
 154 {
 155   // yes
 156 };
 157
 158 bool wxDialog::OnClose(void)
 159 {
 160   static wxList closing;
 161
 162   if (closing.Member(this)) return FALSE;   // no loops
 163
 164   closing.Append(this);
 165
 166   wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 167   cancelEvent.SetEventObject( this );
 168   GetEventHandler()->ProcessEvent(cancelEvent);
 169   closing.DeleteObject(this);
 170
 171   return FALSE;
 172 }
 173
 174 bool wxDialog::Destroy(void)
 175 {
 176   if (!wxPendingDelete.Member(this))
 177     wxPendingDelete.Append(this);
 178
 179   return TRUE;
 180 }
 181
 182 void wxDialog::OnCloseWindow(wxCloseEvent& event)
 183 {
 184   if (GetEventHandler()->OnClose() || event.GetForce())
 185   {
 186     this->Destroy();
 187   };
 188 };
 189
 190 bool wxDialog::Show( bool show )
 191 {
 192   if (!show && m_modalShowing)
 193   {
 194     EndModal( wxID_CANCEL );
 195   };
 196
 197   wxWindow::Show( show );
 198
 199   if (show) InitDialog();
 200
 201   if (show && m_modalShowing)
 202   {
 203     gtk_grab_add( m_widget );
 204     gtk_main();
 205     gtk_grab_remove( m_widget );
 206   };
 207
 208   return TRUE;
 209 };
 210
 211 int wxDialog::ShowModal(void)
 212 {
 213   Show( TRUE );
 214   return GetReturnCode();
 215 };
 216
 217 void wxDialog::EndModal( int retCode )
 218 {
 219   SetReturnCode( retCode );
 220   gtk_main_quit();
 221 };
 222
 223 void wxDialog::InitDialog(void)
 224 {
 225   wxWindow::InitDialog();
 226 };
 227