src/osx/dialog_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/dialog_osx.cpp
   3 // Purpose:     wxDialog class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: dialog.cpp 54820 2008-07-29 20:04:11Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/dialog.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/app.h"
  18     #include "wx/utils.h"
  19     #include "wx/frame.h"
  20     #include "wx/settings.h"
  21 #endif // WX_PRECOMP
  22
  23 #include "wx/osx/private.h"
  24
  25
  26 // Lists to keep track of windows, so we can disable/enable them
  27 // for modal dialogs
  28
  29 wxList wxModalDialogs;
  30
  31 IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow)
  32
  33 void wxDialog::Init()
  34 {
  35     m_modality = wxDIALOG_MODALITY_NONE;
  36 }
  37
  38 bool wxDialog::Create( wxWindow *parent,
  39     wxWindowID id,
  40     const wxString& title,
  41     const wxPoint& pos,
  42     const wxSize& size,
  43     long style,
  44     const wxString& name )
  45 {
  46     SetExtraStyle( GetExtraStyle() | wxTOPLEVEL_EX_DIALOG );
  47
  48     // All dialogs should really have this style...
  49     style |= wxTAB_TRAVERSAL;
  50
  51     // ...but not these styles
  52     style &= ~(wxYES | wxOK | wxNO); // | wxCANCEL
  53
  54     if ( !wxTopLevelWindow::Create( parent, id, title, pos, size, style, name ) )
  55         return false;
  56
  57     return true;
  58 }
  59
  60 wxDialog::~wxDialog()
  61 {
  62     SendDestroyEvent();
  63
  64     // if the dialog is modal, this will end its event loop
  65     Show(false);
  66 }
  67
  68 // On mac command-stop does the same thing as Esc, let the base class know
  69 // about it
  70 bool wxDialog::IsEscapeKey(const wxKeyEvent& event)
  71 {
  72     if ( event.GetKeyCode() == '.' && event.GetModifiers() == wxMOD_CMD )
  73         return true;
  74
  75     return wxDialogBase::IsEscapeKey(event);
  76 }
  77
  78 bool wxDialog::IsModal() const
  79 {
  80     return m_modality != wxDIALOG_MODALITY_NONE;
  81 }
  82
  83 bool wxDialog::Show(bool show)
  84 {
  85     if ( m_modality == wxDIALOG_MODALITY_WINDOW_MODAL )
  86     {
  87         if ( !wxWindow::Show(show) )
  88             // nothing to do
  89             return false;
  90     }
  91     else
  92     {
  93         if ( !wxDialogBase::Show(show) )
  94             // nothing to do
  95             return false;
  96     }
  97
  98     if (show && CanDoLayoutAdaptation())
  99         DoLayoutAdaptation();
 100
 101     if ( show )
 102         // usually will result in TransferDataToWindow() being called
 103         InitDialog();
 104
 105     if ( !show )
 106     {
 107         switch( m_modality )
 108         {
 109             case wxDIALOG_MODALITY_WINDOW_MODAL:
 110                 EndWindowModal(); // OS X implementation method for cleanup
 111                 SendWindowModalDialogEvent ( wxEVT_WINDOW_MODAL_DIALOG_CLOSED  );
 112                 break;
 113             default:
 114                 break;
 115         }
 116         m_modality = wxDIALOG_MODALITY_NONE;
 117     }
 118
 119     return true;
 120 }
 121
 122 // Replacement for Show(true) for modal dialogs - returns return code
 123 int wxDialog::ShowModal()
 124 {
 125     m_modality = wxDIALOG_MODALITY_APP_MODAL;
 126
 127     Show();
 128
 129     DoShowModal();
 130
 131     return GetReturnCode();
 132 }
 133
 134 void wxDialog::ShowWindowModal()
 135 {
 136     m_modality = wxDIALOG_MODALITY_WINDOW_MODAL;
 137
 138     Show();
 139
 140     DoShowWindowModal();
 141 }
 142
 143 wxDialogModality wxDialog::GetModality() const
 144 {
 145     return m_modality;
 146 }
 147
 148 // NB: this function (surprisingly) may be called for both modal and modeless
 149 //     dialogs and should work for both of them
 150 void wxDialog::EndModal(int retCode)
 151 {
 152     SetReturnCode(retCode);
 153     Show(false);
 154 }
 155