avoid idling in native file dialogs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71782 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/dirdlg.mm

@@ -31,6 +31,7 @@
 #endif
 
 #include "wx/filename.h"
+#include "wx/evtloop.h"
 
 #include "wx/osx/private.h"
 
@@ -90,6 +91,8 @@ void wxDirDialog::ShowWindowModal()
 
 int wxDirDialog::ShowModal()
 {
+    wxCFEventLoopPauseIdleEvents pause;
+
     NSOpenPanel *oPanel = [NSOpenPanel openPanel];
     [oPanel setCanChooseDirectories:YES];
     [oPanel setResolvesAliases:YES];

src/osx/cocoa/filedlg.mm

@@ -34,6 +34,7 @@
 
 #include "wx/filename.h"
 #include "wx/tokenzr.h"
+#include "wx/evtloop.h"
 
 #include "wx/osx/private.h"
 #include "wx/sysopt.h"
@@ -494,6 +495,8 @@ void wxFileDialog::SetupExtraControls(WXWindow nativeWindow)
 
 int wxFileDialog::ShowModal()
 {
+    wxCFEventLoopPauseIdleEvents pause;
+
     wxMacAutoreleasePool autoreleasepool;
     
     wxCFStringRef cf( m_message );