crash upon hide fix

[wxWidgets.git] / src / mac / tooltip.cpp

diff --git a/src/mac/tooltip.cpp b/src/mac/tooltip.cpp
index c4eea989d6892895527e98d72421e268275f351d..1dfb2dfb1420e7192f8d0ef336c3550a882082a1 100644 (file)
--- a/src/mac/tooltip.cpp
+++ b/src/mac/tooltip.cpp
@@ -50,6 +50,9 @@ class wxMacToolTip
                bool            m_shown ;
                long            m_mark ;
                wxMacToolTipTimer* m_timer ;
+#ifdef TARGET_CARBON
+               CFStringRef m_helpTextRef ;
+#endif
 } ;
 
 class wxMacToolTipTimer : public wxTimer
@@ -183,6 +186,7 @@ wxMacToolTip::wxMacToolTip()
        m_mark = 0 ;
        m_shown = false ;
     m_timer = NULL ;
+    m_helpTextRef = NULL ;
 }
 
 void wxMacToolTip::Setup( WindowRef win  , wxString text , wxPoint localPosition ) 
@@ -190,7 +194,10 @@ void wxMacToolTip::Setup( WindowRef win  , wxString text , wxPoint localPosition
        m_mark++ ;
        Clear() ;
        m_position = localPosition ;
-       m_label = wxMacMakeMacStringFromPC( text ) ;
+    if( wxApp::s_macDefaultEncodingIsPC )
+        m_label = wxMacMakeMacStringFromPC( text ) ;
+       else
+        m_label = text ;
     m_window =win;
        s_ToolTipWindowRef = m_window ;
        m_backpict = NULL ;
@@ -201,10 +208,12 @@ void wxMacToolTip::Setup( WindowRef win  , wxString text , wxPoint localPosition
 
 wxMacToolTip::~wxMacToolTip() 
 {
-    if ( m_timer )
+    if ( m_timer ) {
         delete m_timer ;
-       if ( m_backpict ) 
-               Clear() ;
+        m_timer = NULL;
+    }
+    if ( m_backpict ) 
+        Clear() ;
 }
 
 const short kTipBorder = 2 ;
@@ -217,21 +226,36 @@ void wxMacToolTip::Draw()
                
        if ( m_window == s_ToolTipWindowRef )
        {
+               m_shown = true ;
 #if TARGET_CARBON
-/*
          if ( HMDisplayTag != (void*) kUnresolvedCFragSymbolAddress )
          {
-           HMDisplayTag( 
+               HMHelpContentRec tag ;
+               tag.version = kMacHelpVersion;
+               SetRect( &tag.absHotRect , m_position.x - 2 , m_position.y - 2 , m_position.x + 2 , m_position.y + 2 ) ;
+        GrafPtr port ;
+        GetPort( &port ) ;
+        SetPortWindowPort(m_window) ;
+               LocalToGlobal( (Point *) &tag.absHotRect.top );
+               LocalToGlobal( (Point *) &tag.absHotRect.bottom );
+               SetPort( port );
+               if( m_helpTextRef )
+                       CFRelease( m_helpTextRef )
+               m_helpTextRef = wxMacCreateCFString(m_label) ;
+               tag.content[kHMMinimumContentIndex].contentType = kHMCFStringContent ;
+               tag.content[kHMMinimumContentIndex].u.tagCFString = text ;
+               tag.content[kHMMaximumContentIndex].contentType = kHMCFStringContent ;
+               tag.content[kHMMaximumContentIndex].u.tagCFString = text ;
+               tag.tagSide = kHMDefaultSide;
+               HMDisplayTag( &tag );
          }
          else
-*/
 #endif
          {
                wxMacPortStateHelper help( (GrafPtr) GetWindowPort( m_window ) );
 #if TARGET_CARBON      
                bool useDrawThemeText =  ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
 #endif         
-               m_shown = true ;
 
         FontFamilyID fontId ;
         Str255 fontName ;
@@ -285,24 +309,55 @@ void wxMacToolTip::Draw()
                    m_rect.right += kTipBorder ;
 #endif
                m_rect.bottom = m_rect.top + height + 2 * kTipBorder;
+               Rect r ;
+               GetPortBounds( GetWindowPort( m_window ) , &r ) ;
+               if ( m_rect.top < 0 )
+               {
+                   m_rect.bottom += -m_rect.top ;
+                   m_rect.top = 0 ;
+               }
+               if ( m_rect.left < 0 )
+               {
+                   m_rect.right += -m_rect.left ;
+                   m_rect.left = 0 ;
+               }
+               if ( m_rect.right > r.right )
+               {
+                   m_rect.left -= (m_rect.right - r.right ) ;
+                   m_rect.right = r.right ;
+               }
+               if ( m_rect.bottom > r.bottom )
+               {
+                   m_rect.top -= (m_rect.bottom - r.bottom) ;
+                   m_rect.bottom = r.bottom ;
+               }
                ClipRect( &m_rect ) ;
                BackColor( whiteColor ) ;
                ForeColor(blackColor ) ;
+        GWorldPtr port ;               
+        NewGWorld( &port , wxDisplayDepth() , &m_rect , NULL , NULL , 0 ) ;
+        CGrafPtr    origPort ;
+        GDHandle    origDevice ;
+
+        GetGWorld( &origPort , &origDevice ) ;
+        SetGWorld( port , NULL ) ;
+           
                m_backpict = OpenPicture(&m_rect);
 
                CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)), 
-                                  GetPortBitMapForCopyBits(GetWindowPort(m_window)), 
+                                  GetPortBitMapForCopyBits(port), 
                                   &m_rect, 
                                   &m_rect, 
                                   srcCopy, 
                                   NULL);
-
-               ClosePicture();
-        PenNormal() ;
+                ClosePicture();
+                SetGWorld( origPort , origDevice ) ;
+               DisposeGWorld( port ) ;
+                PenNormal() ;
 
                RGBColor tooltipbackground = { 0xFFFF , 0xFFFF , 0xC000 } ;
                BackColor( whiteColor ) ;
-        RGBForeColor( &tooltipbackground ) ;
+                RGBForeColor( &tooltipbackground ) ;
 
                PaintRect( &m_rect ) ;
                ForeColor(blackColor ) ;
@@ -394,7 +449,11 @@ void wxMacToolTip::Clear()
        }
        if ( !m_shown )
                return ;
-                
+#if TARGET_CARBON
+       HMHideTag() ;
+       if( m_helpTextRef )
+               CFRelease( m_helpTextRef )
+#else           
        if ( m_window == s_ToolTipWindowRef && m_backpict )
        {
                wxMacPortStateHelper help( (GrafPtr) GetWindowPort(m_window) ) ;
@@ -407,6 +466,7 @@ void wxMacToolTip::Clear()
                KillPicture(m_backpict);
                m_backpict = NULL ;
        }
+#endif
 }
 
 #endif