Support using GetTextExtent() with empty string to get descent in wxOSX.

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

diff --git a/src/osx/nonownedwnd_osx.cpp b/src/osx/nonownedwnd_osx.cpp
index 89ad08c4f3041f55904477ecda29d064d8ad5c78..edcba5d9ce707e6f0cf838324b99f2177e7be9f7 100644 (file)
--- a/src/osx/nonownedwnd_osx.cpp
+++ b/src/osx/nonownedwnd_osx.cpp
@@ -13,6 +13,7 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/dcmemory.h"
     #include "wx/log.h"
 #endif // WX_PRECOMP
 
@@ -38,6 +39,8 @@
 
 wxWindow* g_MacLastWindow = NULL ;
 
+clock_t wxNonOwnedWindow::s_lastFlush = 0;
+
 // unified title and toolbar constant - not in Tiger headers, so we duplicate it here
 #define kWindowUnifiedTitleAndToolbarAttribute (1 << 7)
 
@@ -246,9 +249,7 @@ bool wxNonOwnedWindow::OSXShowWithEffect(bool show,
     {
         // as apps expect a size event to occur when the window is shown,
         // generate one when it is shown with effect too
-        wxSizeEvent event(GetSize(), m_windowId);
-        event.SetEventObject(this);
-        HandleWindowEvent(event);
+        SendSizeEvent();
     }
 
     return true;
@@ -308,10 +309,7 @@ void wxNonOwnedWindow::HandleActivated( double timestampsec, bool didActivate )
 
 void wxNonOwnedWindow::HandleResized( double timestampsec )
 {
-    wxSizeEvent wxevent( GetSize() , GetId());
-    wxevent.SetTimestamp( (int) (timestampsec * 1000) );
-    wxevent.SetEventObject( this );
-    HandleWindowEvent(wxevent);
+    SendSizeEvent();
     // we have to inform some controls that have to reset things
     // relative to the toplevel window (e.g. OpenGL buffers)
     wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
@@ -382,9 +380,7 @@ bool wxNonOwnedWindow::Show(bool show)
     if ( show )
     {
         // because apps expect a size event to occur at this moment
-        wxSizeEvent event(GetSize() , m_windowId);
-        event.SetEventObject(this);
-        HandleWindowEvent(event);
+        SendSizeEvent();
     }
 
     return true ;
@@ -482,10 +478,18 @@ void wxNonOwnedWindow::DoGetClientSize( int *width, int *height ) const
        *height = h ;
 }
 
+void wxNonOwnedWindow::WindowWasPainted()
+{
+    s_lastFlush = clock();
+}
 
 void wxNonOwnedWindow::Update()
 {
-    m_nowpeer->Update();
+    if ( clock() - s_lastFlush > CLOCKS_PER_SEC / 30 )
+    {
+        s_lastFlush = clock();
+        m_nowpeer->Update();
+    }
 }
 
 WXWindow wxNonOwnedWindow::GetWXWindow() const