src/stubs/dialog.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dialog.cpp
   3 // Purpose:     wxDialog class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dialog.h"
  14 #endif
  15
  16 #include "wx/dialog.h"
  17 #include "wx/utils.h"
  18 #include "wx/frame.h"
  19 #include "wx/app.h"
  20 #include "wx/settings.h"
  21
  22 // Lists to keep track of windows, so we can disable/enable them
  23 // for modal dialogs
  24 wxList wxModalDialogs;
  25 wxList wxModelessWindows;  // Frames and modeless dialogs
  26 extern wxList wxPendingDelete;
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel)
  29
  30 BEGIN_EVENT_TABLE(wxDialog, wxPanel)
  31   EVT_BUTTON(wxID_OK, wxDialog::OnOK)
  32   EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
  33   EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
  34   EVT_CHAR_HOOK(wxDialog::OnCharHook)
  35   EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
  36   EVT_CLOSE(wxDialog::OnCloseWindow)
  37 END_EVENT_TABLE()
  38
  39
  40 wxDialog::wxDialog()
  41 {
  42     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  43 }
  44
  45 bool wxDialog::Create(wxWindow *parent, wxWindowID id,
  46            const wxString& title,
  47            const wxPoint& pos,
  48            const wxSize& size,
  49            long style,
  50            const wxString& name)
  51 {
  52   m_windowStyle = style;
  53
  54   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
  55   SetName(name);
  56
  57   if (!parent)
  58     wxTopLevelWindows.Append(this);
  59
  60   if (parent) parent->AddChild(this);
  61
  62   if ( id == -1 )
  63         m_windowId = (int)NewControlId();
  64   else
  65         m_windowId = id;
  66
  67   // TODO: create dialog
  68
  69   return FALSE;
  70 }
  71
  72 void wxDialog::SetModal(bool flag)
  73 {
  74         if ( flag )
  75                 m_windowStyle |= wxDIALOG_MODAL ;
  76         else
  77                 if ( m_windowStyle & wxDIALOG_MODAL )
  78                         m_windowStyle -= wxDIALOG_MODAL ;
  79
  80   wxModelessWindows.DeleteObject(this);
  81   if (!flag)
  82     wxModelessWindows.Append(this);
  83 }
  84
  85 wxDialog::~wxDialog()
  86 {
  87     // TODO
  88     wxTopLevelWindows.DeleteObject(this);
  89
  90     if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL )
  91       wxModelessWindows.DeleteObject(this);
  92
  93     // If this is the last top-level window, exit.
  94     if (wxTheApp && (wxTopLevelWindows.Number() == 0))
  95     {
  96       wxTheApp->SetTopWindow(NULL);
  97
  98       if (wxTheApp->GetExitOnFrameDelete())
  99       {
 100          // TODO: exit
 101       }
 102     }
 103 }
 104
 105 // By default, pressing escape cancels the dialog
 106 void wxDialog::OnCharHook(wxKeyEvent& event)
 107 {
 108   if (event.m_keyCode == WXK_ESCAPE)
 109   {
 110                 // Behaviour changed in 2.0: we'll send a Cancel message
 111                 // to the dialog instead of Close.
 112                 wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 113                 cancelEvent.SetEventObject( this );
 114                 GetEventHandler()->ProcessEvent(cancelEvent);
 115
 116                 return;
 117   }
 118   // We didn't process this event.
 119   event.Skip();
 120 }
 121
 122 void wxDialog::Iconize(bool WXUNUSED(iconize))
 123 {
 124     // TODO
 125 }
 126
 127 bool wxDialog::IsIconized() const
 128 {
 129     // TODO
 130     return FALSE;
 131 }
 132
 133 void wxDialog::SetClientSize(int width, int height)
 134 {
 135     // TODO
 136 }
 137
 138 void wxDialog::GetPosition(int *x, int *y) const
 139 {
 140     // TODO
 141 }
 142
 143 bool wxDialog::Show(bool show)
 144 {
 145     // TODO
 146     return FALSE;
 147 }
 148
 149 void wxDialog::SetTitle(const wxString& title)
 150 {
 151     // TODO
 152 }
 153
 154 wxString wxDialog::GetTitle() const
 155 {
 156     // TODO
 157     return wxString("");
 158 }
 159
 160 void wxDialog::Centre(int direction)
 161 {
 162   int x_offset,y_offset ;
 163   int display_width, display_height;
 164   int  width, height, x, y;
 165   wxWindow *parent = GetParent();
 166   if ((direction & wxCENTER_FRAME) && parent)
 167   {
 168       parent->GetPosition(&x_offset,&y_offset) ;
 169       parent->GetSize(&display_width,&display_height) ;
 170   }
 171   else
 172   {
 173     wxDisplaySize(&display_width, &display_height);
 174     x_offset = 0 ;
 175     y_offset = 0 ;
 176   }
 177
 178   GetSize(&width, &height);
 179   GetPosition(&x, &y);
 180
 181   if (direction & wxHORIZONTAL)
 182     x = (int)((display_width - width)/2);
 183   if (direction & wxVERTICAL)
 184     y = (int)((display_height - height)/2);
 185
 186   SetSize(x+x_offset, y+y_offset, width, height);
 187 }
 188
 189 // Replacement for Show(TRUE) for modal dialogs - returns return code
 190 int wxDialog::ShowModal()
 191 {
 192     m_windowStyle |= wxDIALOG_MODAL;
 193     // TODO: modal showing
 194         Show(TRUE);
 195         return GetReturnCode();
 196 }
 197
 198 void wxDialog::EndModal(int retCode)
 199 {
 200         SetReturnCode(retCode);
 201     // TODO modal un-showing
 202         Show(FALSE);
 203 }
 204
 205 // Standard buttons
 206 void wxDialog::OnOK(wxCommandEvent& event)
 207 {
 208         if ( Validate() && TransferDataFromWindow() )
 209         {
 210         if ( IsModal() )
 211             EndModal(wxID_OK);
 212         else
 213         {
 214                     SetReturnCode(wxID_OK);
 215                     this->Show(FALSE);
 216         }
 217         }
 218 }
 219
 220 void wxDialog::OnApply(wxCommandEvent& event)
 221 {
 222         if (Validate())
 223                 TransferDataFromWindow();
 224         // TODO probably need to disable the Apply button until things change again
 225 }
 226
 227 void wxDialog::OnCancel(wxCommandEvent& event)
 228 {
 229     if ( IsModal() )
 230         EndModal(wxID_CANCEL);
 231     else
 232     {
 233         SetReturnCode(wxID_CANCEL);
 234                 this->Show(FALSE);
 235     }
 236 }
 237
 238 void wxDialog::OnCloseWindow(wxCloseEvent& event)
 239 {
 240     // We'll send a Cancel message by default,
 241     // which may close the dialog.
 242     // Check for looping if the Cancel event handler calls Close().
 243
 244     // Note that if a cancel button and handler aren't present in the dialog,
 245     // nothing will happen when you close the dialog via the window manager, or
 246     // via Close().
 247     // We wouldn't want to destroy the dialog by default, since the dialog may have been
 248     // created on the stack.
 249     // However, this does mean that calling dialog->Close() won't delete the dialog
 250     // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
 251     // sure to destroy the dialog.
 252     // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
 253
 254     static wxList closing;
 255
 256     if ( closing.Member(this) )
 257         return;
 258
 259     closing.Append(this);
 260
 261     wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 262     cancelEvent.SetEventObject( this );
 263     GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
 264
 265     closing.DeleteObject(this);
 266 }
 267
 268 // Destroy the window (delayed, if a managed window)
 269 bool wxDialog::Destroy()
 270 {
 271   if (!wxPendingDelete.Member(this))
 272     wxPendingDelete.Append(this);
 273   return TRUE;
 274 }
 275
 276 void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event)
 277 {
 278   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
 279   Refresh();
 280 }
 281
 282 void wxDialog::Fit()
 283 {
 284 }