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 = FALSE;
  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   m_modalShowing = FALSE;
  67   wxTopLevelWindows.Insert( this );
  68   Create( parent, id, title, pos, size, style, name );
  69 };
  70
  71 bool wxDialog::Create( wxWindow *parent,
  72       wxWindowID id, const wxString &title,
  73       const wxPoint &pos, const wxSize &size,
  74       long style, const wxString &name )
  75 {
  76   m_needParent = FALSE;
  77
  78   PreCreation( parent, id, pos, size, style, name );
  79
  80   m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
  81   GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
  82
  83   gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
  84
  85   gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
  86     GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this );
  87
  88   m_wxwindow = gtk_myfixed_new();
  89   gtk_widget_show( m_wxwindow );
  90   GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
  91
  92   gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
  93
  94   SetTitle( title );
  95
  96   PostCreation();
  97
  98   return TRUE;
  99 };
 100
 101 wxDialog::~wxDialog(void)
 102 {
 103   wxTopLevelWindows.DeleteObject( this );
 104   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 105 };
 106
 107 void wxDialog::SetTitle(const wxString& title )
 108 {
 109   m_title = title;
 110   if (m_title.IsNull()) m_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 && IsModal() && m_modalShowing)
 193   {
 194     EndModal( wxID_CANCEL );
 195   };
 196
 197   wxWindow::Show( show );
 198
 199   if (show) InitDialog();
 200
 201   return TRUE;
 202 };
 203
 204 int wxDialog::ShowModal(void)
 205 {
 206   if (m_modalShowing) return GetReturnCode();
 207
 208   Show( TRUE );
 209
 210   m_modalShowing = TRUE;
 211
 212   gtk_grab_add( m_widget );
 213   gtk_main();
 214   gtk_grab_remove( m_widget );
 215
 216   return GetReturnCode();
 217 };
 218
 219 void wxDialog::EndModal( int retCode )
 220 {
 221   SetReturnCode( retCode );
 222
 223   if (!m_modalShowing)
 224   {
 225      wxFAIL_MSG( "wxDialog: called EndModal twice" );
 226      return;
 227   };
 228
 229   m_modalShowing = FALSE;
 230
 231   gtk_main_quit();
 232 };
 233
 234 void wxDialog::InitDialog(void)
 235 {
 236   wxWindow::InitDialog();
 237 };
 238