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   gtk_window_set_title( GTK_WINDOW(m_widget), m_title );
 111 };
 112
 113 wxString wxDialog::GetTitle(void) const
 114 {
 115   return (wxString&)m_title;
 116 };
 117
 118 void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) )
 119 {
 120   if (Validate()) TransferDataFromWindow();
 121 };
 122
 123 void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) )
 124 {
 125   if (IsModal())
 126   {
 127     EndModal(wxID_CANCEL);
 128   }
 129   else
 130   {
 131     SetReturnCode(wxID_CANCEL);
 132     this->Show(FALSE);
 133   };
 134 };
 135
 136 void wxDialog::OnOk( wxCommandEvent &WXUNUSED(event) )
 137 {
 138   if ( Validate() && TransferDataFromWindow())
 139   {
 140     if (IsModal())
 141     {
 142       EndModal(wxID_OK);
 143     }
 144     else
 145     {
 146       SetReturnCode(wxID_OK);
 147       this->Show(FALSE);
 148     };
 149   };
 150 };
 151
 152 void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) )
 153 {
 154   // yes
 155 };
 156
 157 bool wxDialog::OnClose(void)
 158 {
 159   static wxList closing;
 160
 161   if (closing.Member(this)) return FALSE;   // no loops
 162
 163   closing.Append(this);
 164
 165   wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 166   cancelEvent.SetEventObject( this );
 167   GetEventHandler()->ProcessEvent(cancelEvent);
 168   closing.DeleteObject(this);
 169
 170   return FALSE;
 171 }
 172
 173 bool wxDialog::Destroy(void)
 174 {
 175   if (!wxPendingDelete.Member(this))
 176     wxPendingDelete.Append(this);
 177
 178   return TRUE;
 179 }
 180
 181 void wxDialog::OnCloseWindow(wxCloseEvent& event)
 182 {
 183   if (GetEventHandler()->OnClose() || event.GetForce())
 184   {
 185     this->Destroy();
 186   };
 187 };
 188
 189 bool wxDialog::Show( bool show )
 190 {
 191   if (!show && IsModal() && m_modalShowing)
 192   {
 193     EndModal( wxID_CANCEL );
 194   };
 195
 196   wxWindow::Show( show );
 197
 198   if (show) InitDialog();
 199
 200   return TRUE;
 201 };
 202
 203 int wxDialog::ShowModal(void)
 204 {
 205   if (m_modalShowing) return GetReturnCode();
 206
 207   Show( TRUE );
 208
 209   m_modalShowing = TRUE;
 210
 211   gtk_grab_add( m_widget );
 212   gtk_main();
 213   gtk_grab_remove( m_widget );
 214
 215   return GetReturnCode();
 216 };
 217
 218 void wxDialog::EndModal( int retCode )
 219 {
 220   SetReturnCode( retCode );
 221
 222   if (!m_modalShowing) return;
 223   m_modalShowing = FALSE;
 224
 225   gtk_main_quit();
 226 };
 227
 228 void wxDialog::InitDialog(void)
 229 {
 230   wxWindow::InitDialog();
 231 };
 232