storing current event for dnd support, adding default data-drag image, fixes #12065

[wxWidgets.git] / src / osx / dialog_osx.cpp

diff --git a/src/osx/dialog_osx.cpp b/src/osx/dialog_osx.cpp
index c51035b9690bbc4dfc5e87752c75faee18233d12..b1b50b980a5bb5c2b3effcbb42d484bf160b6f32 100644 (file)
--- a/src/osx/dialog_osx.cpp
+++ b/src/osx/dialog_osx.cpp
@@ -12,6 +12,7 @@
 #include "wx/wxprec.h"
 
 #include "wx/dialog.h"
+#include "wx/evtloop.h"
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
@@ -22,17 +23,30 @@
 
 #include "wx/osx/private.h"
 
+static int s_openDialogs = 0;
+bool wxDialog::OSXHasModalDialogsOpen()
+{
+    return s_openDialogs > 0;
+}
+
+void wxDialog::OSXBeginModalDialog()
+{
+    s_openDialogs++;
+}
 
-// Lists to keep track of windows, so we can disable/enable them
-// for modal dialogs
+void wxDialog::OSXEndModalDialog()
+{
+    wxASSERT_MSG( s_openDialogs > 0, "incorrect internal modal dialog count");
+    s_openDialogs--;
+}
 
-wxList wxModalDialogs;
 
 IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow)
 
 void wxDialog::Init()
 {
-    m_isModalStyle = false;
+    m_modality = wxDIALOG_MODALITY_NONE;
+    m_eventLoop = NULL;
 }
 
 bool wxDialog::Create( wxWindow *parent,
@@ -57,18 +71,6 @@ bool wxDialog::Create( wxWindow *parent,
     return true;
 }
 
-void wxDialog::SetModal( bool flag )
-{
-    if ( flag )
-    {
-        m_isModalStyle = true;
-    }
-    else
-    {
-        m_isModalStyle = false;
-    }
-}
-
 wxDialog::~wxDialog()
 {
     SendDestroyEvent();
@@ -89,16 +91,23 @@ bool wxDialog::IsEscapeKey(const wxKeyEvent& event)
 
 bool wxDialog::IsModal() const
 {
-    return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast
-    //    return m_isModalStyle;
+    return m_modality != wxDIALOG_MODALITY_NONE;
 }
 
-
 bool wxDialog::Show(bool show)
 {
-    if ( !wxDialogBase::Show(show) )
-        // nothing to do
-        return false;
+    if ( m_modality == wxDIALOG_MODALITY_WINDOW_MODAL )
+    {
+        if ( !wxWindow::Show(show) )
+            // nothing to do
+            return false;
+    }
+    else 
+    {
+        if ( !wxDialogBase::Show(show) )
+            // nothing to do
+            return false;
+    }
 
     if (show && CanDoLayoutAdaptation())
         DoLayoutAdaptation();
@@ -107,43 +116,64 @@ bool wxDialog::Show(bool show)
         // usually will result in TransferDataToWindow() being called
         InitDialog();
 
-    if ( m_isModalStyle )
+    if ( !show )
     {
-        if ( show )
-        {
-            DoShowModal();
-        }
-        else // end of modal dialog
+        switch( m_modality )
         {
-            // this will cause IsModalShowing() return false and our local
-            // message loop will terminate
-            wxModalDialogs.DeleteObject(this);
+            case wxDIALOG_MODALITY_WINDOW_MODAL:
+                EndWindowModal(); // OS X implementation method for cleanup
+                SendWindowModalDialogEvent ( wxEVT_WINDOW_MODAL_DIALOG_CLOSED  );        
+                break;
+            default:
+                break;
         }
+        m_modality = wxDIALOG_MODALITY_NONE;
     }
-
+    
     return true;
 }
 
 // Replacement for Show(true) for modal dialogs - returns return code
 int wxDialog::ShowModal()
 {
-    if ( !m_isModalStyle )
-        SetModal(true);
+    m_modality = wxDIALOG_MODALITY_APP_MODAL;
+    
+    Show();
+
+    wxModalEventLoop modalLoop(this);
+    m_eventLoop = &modalLoop;
+    
+    wxDialog::OSXBeginModalDialog();
+    modalLoop.Run();
+    wxDialog::OSXEndModalDialog();
+    
+    m_eventLoop = NULL;
+    
+    return GetReturnCode();
+}
 
-    if ( IsShown() )
-        DoShowModal();
-    else
-        Show(true);
+void wxDialog::ShowWindowModal()
+{
+    m_modality = wxDIALOG_MODALITY_WINDOW_MODAL;
+    
+    Show();
+    
+    DoShowWindowModal();
+}
 
-    return GetReturnCode();
+wxDialogModality wxDialog::GetModality() const
+{
+    return m_modality;
 }
 
 // NB: this function (surprisingly) may be called for both modal and modeless
 //     dialogs and should work for both of them
 void wxDialog::EndModal(int retCode)
 {
+    if ( m_eventLoop )
+        m_eventLoop->Exit(retCode);
+    
     SetReturnCode(retCode);
     Show(false);
-    SetModal(false);
 }