Test to avoid crashes in some circumstances

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

diff --git a/src/mac/carbon/tooltip.cpp b/src/mac/carbon/tooltip.cpp
index 64ea19f58cbf29f9077e9716ae5a89f361e5bb92..18c9ca7adaa5cf8575ddf3d14edbe575d3f61ded 100644 (file)
--- a/src/mac/carbon/tooltip.cpp
+++ b/src/mac/carbon/tooltip.cpp
@@ -1,25 +1,25 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        tooltip.cpp
+// Name:        src/mac/carbon/tooltip.cpp

 // Purpose:     wxToolTip implementation
 // Purpose:     wxToolTip implementation

-// Author:      Robert Roebling
+// Author:      Stefan Csomor

 // Id:          $Id$
 // Id:          $Id$

-// Copyright:   (c) 1998 Robert Roebling
+// Copyright:   (c) Stefan Csomor

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-    #pragma implementation "tooltip.h"
-#endif
-
-#include "wx/defs.h"
+#include "wx/wxprec.h"

 
 #if wxUSE_TOOLTIPS
 
 
 #if wxUSE_TOOLTIPS
 

-#include "wx/app.h"
-#include "wx/dc.h"
-#include "wx/window.h"

 #include "wx/tooltip.h"
 #include "wx/tooltip.h"

-#include "wx/timer.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/window.h"
+    #include "wx/dc.h"
+    #include "wx/timer.h"
+#endif // WX_PRECOMP
+

 #include "wx/geometry.h"
 #include "wx/mac/uma.h"
 
 #include "wx/geometry.h"
 #include "wx/mac/uma.h"
 


@@ -31,42 +31,55 @@ class wxMacToolTipTimer ;
 
 class wxMacToolTip
 {
 
 class wxMacToolTip
 {

-       public :
-               wxMacToolTip( ) ;
-               ~wxMacToolTip() ;
-               
-               void                    Setup( WindowRef window  , wxString text , wxPoint localPosition ) ;
-               long                    GetMark() { return m_mark ; }
-               void                    Draw() ;
-               void                    Clear() ;
-               bool                    IsShown() { return m_shown  ; }
-       private :
-               
-               wxString        m_label ;
-               wxPoint m_position ;
-               Rect                    m_rect ;
-               WindowRef       m_window ;      
-               PicHandle       m_backpict ;
-               bool            m_shown ;
-               long            m_mark ;
-               wxMacToolTipTimer* m_timer ;
+public :
+    wxMacToolTip() ;
+    ~wxMacToolTip() ;
+
+    void Setup( WindowRef window , const wxString& text , const wxPoint& localPosition ) ;
+    void Draw() ;
+    void Clear() ;
+
+    long GetMark()
+    { return m_mark ; }
+
+    bool IsShown()
+    { return m_shown ; }
+
+private :
+    wxString    m_label ;
+    wxPoint m_position ;
+    Rect            m_rect ;
+    WindowRef    m_window ;
+    PicHandle    m_backpict ;
+    bool        m_shown ;
+    long        m_mark ;
+#if wxUSE_TIMER 
+    wxMacToolTipTimer* m_timer ;
+#endif
+#if TARGET_CARBON
+    wxMacCFStringHolder m_helpTextRef ;
+#endif

 } ;
 
 } ;
 

+#if wxUSE_TIMER

 class wxMacToolTipTimer : public wxTimer
 {
 public:
 class wxMacToolTipTimer : public wxTimer
 {
 public:

-    wxMacToolTipTimer() {} ;

     wxMacToolTipTimer(wxMacToolTip* tip, int iMilliseconds) ;
     wxMacToolTipTimer(wxMacToolTip* tip, int iMilliseconds) ;

+    wxMacToolTipTimer() {} ;

     virtual ~wxMacToolTipTimer() {} ;
     virtual ~wxMacToolTipTimer() {} ;

+

     void Notify()
     {
         if ( m_mark == m_tip->GetMark() )
     void Notify()
     {
         if ( m_mark == m_tip->GetMark() )

-            m_tip->Draw() ;    
+            m_tip->Draw() ;

     }
     }

+

 protected:
 protected:

-    wxMacToolTip*      m_tip;
-    long               m_mark ;
+    wxMacToolTip*     m_tip;
+    long        m_mark ;

 };
 };

+#endif // wxUSE_TIMER

 
 //-----------------------------------------------------------------------------
 // wxToolTip
 
 //-----------------------------------------------------------------------------
 // wxToolTip


@@ -80,6 +93,7 @@ static WindowRef s_ToolTipWindowRef = NULL ;
 
 IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
 
 
 IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
 

+

 wxToolTip::wxToolTip( const wxString &tip )
 {
     m_text = tip;
 wxToolTip::wxToolTip( const wxString &tip )
 {
     m_text = tip;


@@ -92,17 +106,17 @@ wxToolTip::~wxToolTip()
 
 void wxToolTip::SetTip( const wxString &tip )
 {
 
 void wxToolTip::SetTip( const wxString &tip )
 {

-     m_text = tip;
+    m_text = tip;

 
     if ( m_window )
     {
 
     if ( m_window )
     {

-       /*
-        // update it immediately
-        wxToolInfo ti(GetHwndOf(m_window));
-        ti.lpszText = (wxChar *)m_text.c_str();
+#if 0
+    // update it immediately
+    wxToolInfo ti(GetHwndOf(m_window));
+    ti.lpszText = (wxChar *)m_text.c_str();

 
 

-        (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);
-        */
+    (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);
+#endif

     }
 }
 
     }
 }
 


@@ -113,98 +127,120 @@ void wxToolTip::SetWindow( wxWindow *win )
 
 void wxToolTip::Enable( bool flag )
 {
 
 void wxToolTip::Enable( bool flag )
 {

-       if ( s_ShowToolTips != flag )
-       {
-               s_ShowToolTips = flag ;
-               if ( s_ShowToolTips )
-               {
-               }
-               else
-               {
-                       s_ToolTip.Clear() ;
-               }
-       }
+    if ( s_ShowToolTips != flag )
+    {
+        s_ShowToolTips = flag ;
+
+        if ( s_ShowToolTips )
+        {
+        }
+        else
+        {
+            s_ToolTip.Clear() ;
+        }
+    }

 }
 
 void wxToolTip::SetDelay( long msecs )
 {
 }
 
 void wxToolTip::SetDelay( long msecs )
 {

-       s_ToolTipDelay = msecs ;
+    s_ToolTipDelay = msecs ;
+}
+
+void wxToolTip::SetAutoPop( long WXUNUSED(msecs) )
+{
+}
+
+void wxToolTip::SetReshow( long WXUNUSED(msecs) )
+{

 }
 
 void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event )
 {
 }
 
 void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event )
 {

-       if ( s_ShowToolTips )
-       {
-               if ( event.GetEventType() == wxEVT_LEAVE_WINDOW )
-               {
-                       s_ToolTip.Clear() ;
-               }
-               else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION )
-               {
-                       wxPoint2DInt where( event.m_x , event.m_y ) ;
-                       if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) )
-                       {
-                       }
-                       else
-                       {
-                               s_ToolTip.Clear() ;
-                               s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ;
-                               s_LastWindowEntered = win ;
-                               
-                               WindowRef window = MAC_WXHWND( win->MacGetRootWindow() ) ;
-                               int x = event.m_x ;
-                               int y = event.m_y ;
-                               wxPoint local( x , y ) ;
-                               win->MacClientToRootWindow( &x, &y ) ;
-                               wxPoint windowlocal( x , y ) ;
-                               s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ;
-                       }
-               }
-       }
+    if ( s_ShowToolTips )
+    {
+        if ( event.GetEventType() == wxEVT_LEAVE_WINDOW )
+        {
+            s_ToolTip.Clear() ;
+        }
+        else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION )
+        {
+            wxPoint2DInt where( event.m_x , event.m_y ) ;
+            if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) )
+            {
+            }
+            else
+            {
+                s_ToolTip.Clear() ;
+                s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ;
+                s_LastWindowEntered = win ;
+
+                WindowRef window = MAC_WXHWND( win->MacGetTopLevelWindowRef() ) ;
+                int x = event.m_x ;
+                int y = event.m_y ;
+                wxPoint local( x , y ) ;
+                win->MacClientToRootWindow( &x, &y ) ;
+                wxPoint windowlocal( x , y ) ;
+                s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ;
+            }
+        }
+    }

 }
 
 void wxToolTip::RemoveToolTips()
 {
 }
 
 void wxToolTip::RemoveToolTips()
 {

-       s_ToolTip.Clear() ;
+    s_ToolTip.Clear() ;

 }
 }

-// --- mac specific

 
 

+// --- mac specific
+#if wxUSE_TIMER 

 wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec )
 {
 wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec )
 {

-       m_tip = tip;
-       m_mark = tip->GetMark() ;
-       Start(msec, true);
+    m_tip = tip;
+    m_mark = tip->GetMark() ;
+    Start(msec, true);

 }
 }

+#endif // wxUSE_TIMER

 
 wxMacToolTip::wxMacToolTip()
 {
 
 wxMacToolTip::wxMacToolTip()
 {

-       m_window = NULL ;
-       m_backpict = NULL ;
-       m_mark = 0 ;
-       m_shown = false ;
+    m_window = NULL ;
+    m_backpict = NULL ;
+#if wxUSE_TIMER 

     m_timer = NULL ;
     m_timer = NULL ;

+#endif
+    m_mark = 0 ;
+    m_shown = false ;

 }
 
 }
 

-void wxMacToolTip::Setup( WindowRef win  , wxString text , wxPoint localPosition ) 
+void wxMacToolTip::Setup( WindowRef win  , const wxString& text , const wxPoint& localPosition )

 {
 {

-       m_mark++ ;
-       Clear() ;
-       m_position = localPosition ;
-       m_label = wxMacMakeMacStringFromPC( text ) ;
+    m_mark++ ;
+
+    Clear() ;
+    m_position = localPosition ;
+    m_label = text ;

     m_window =win;
     m_window =win;

-       s_ToolTipWindowRef = m_window ;
-       m_backpict = NULL ;
-       if ( m_timer )
-           delete m_timer ;
-       m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ;
+    s_ToolTipWindowRef = m_window ;
+    m_backpict = NULL ;
+#if wxUSE_TIMER 
+    if ( m_timer )
+        delete m_timer ;
+
+    m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ;
+#endif // wxUSE_TIMER

 }
 
 }
 

-wxMacToolTip::~wxMacToolTip() 
+wxMacToolTip::~wxMacToolTip()

 {
 {

+#if wxUSE_TIMER 

     if ( m_timer )
     if ( m_timer )

+    {

         delete m_timer ;
         delete m_timer ;

-       if ( m_backpict ) 
-               Clear() ;
+        m_timer = NULL;
+    }
+#endif // wxUSE_TIMER
+    if ( m_backpict )
+        Clear() ;

 }
 
 const short kTipBorder = 2 ;
 }
 
 const short kTipBorder = 2 ;


@@ -212,196 +248,51 @@ const short kTipOffset = 5 ;
 
 void wxMacToolTip::Draw()
 {
 
 void wxMacToolTip::Draw()
 {

-       if ( m_label.Length() == 0 )
-               return ;
-               
-       if ( m_window == s_ToolTipWindowRef )
-       {
-#if TARGET_CARBON
-/*
-         if ( HMDisplayTag != (void*) kUnresolvedCFragSymbolAddress )
-         {
-           HMDisplayTag( 
-         }
-         else
-*/
-#endif
-         {
-               wxMacPortStateHelper help( (GrafPtr) GetWindowPort( m_window ) );
- 
-               bool useDrawThemeText =  ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
-               
-               m_shown = true ;
-
-        FontFamilyID fontId ;
-        Str255 fontName ;
-        SInt16 fontSize ;
-        Style fontStyle ;
-        GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
-        GetFNum( fontName, &fontId );
-
-               TextFont( fontId ) ;
-               TextSize( fontSize ) ;
-               TextFace( fontStyle ) ;
-               FontInfo fontInfo;
-               ::GetFontInfo(&fontInfo);
-               short lineh = fontInfo.ascent + fontInfo.descent + fontInfo.leading;
-               short height = 0 ;
-       //      short width = TextWidth( m_label , 0 ,m_label.Length() ) ;
-               
-               int i = 0 ;
-               int length = m_label.Length() ;
-               int width = 0 ;
-               int thiswidth = 0 ;
-               int laststop = 0 ;
-               const char *text = m_label ;
-               while( i < length )
-               {
-                       if( text[i] == 13 || text[i] == 10)
-                       {
-                               thiswidth = ::TextWidth( text , laststop , i - laststop ) ;
-                               if ( thiswidth > width )
-                                       width = thiswidth ;
-                                       
-                               height += lineh ;
-                               laststop = i+1 ;
-                       }
-                       i++ ;
-               }
-               if ( i - laststop > 0 )
-               {
-                       thiswidth = ::TextWidth( text , laststop , i - laststop ) ;
-                       if ( thiswidth > width )
-                               width = thiswidth ;
-                       height += lineh ;
-               }
-
-
-               m_rect.left = m_position.x + kTipOffset;
-               m_rect.top = m_position.y + kTipOffset;
-               m_rect.right = m_rect.left + width + 2 * kTipBorder;
-               if ( useDrawThemeText )
-                   m_rect.right += kTipBorder ;
-               m_rect.bottom = m_rect.top + height + 2 * kTipBorder;
-               ClipRect( &m_rect ) ;
-               BackColor( whiteColor ) ;
-               ForeColor(blackColor ) ;
-               m_backpict = OpenPicture(&m_rect);
-
-               CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)), 
-                                  GetPortBitMapForCopyBits(GetWindowPort(m_window)), 
-                                  &m_rect, 
-                                  &m_rect, 
-                                  srcCopy, 
-                                  NULL);
-
-               ClosePicture();
-        PenNormal() ;
-
-               RGBColor tooltipbackground = { 0xFFFF , 0xFFFF , 0xC000 } ;
-               BackColor( whiteColor ) ;
-        RGBForeColor( &tooltipbackground ) ;
-
-               PaintRect( &m_rect ) ;
-               ForeColor(blackColor ) ;
-               FrameRect( &m_rect ) ;
-               SetThemeTextColor(kThemeTextColorNotification,wxDisplayDepth(),true) ;
-               ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder);
-
-               i = 0 ;
-               laststop = 0 ;
-               height = 0 ;
-               
-               while( i < length )
-               {
-                       if( text[i] == 13 || text[i] == 10)
-                       {
-               if ( useDrawThemeText )
-               {
-                   Rect frame ;
-                   frame.top = m_rect.top + kTipBorder + height ;
-                   frame.left = m_rect.left + kTipBorder ;
-                   frame.bottom = frame.top + 1000 ;
-                   frame.right = frame.left + 1000 ;
-                    CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
-                       ::DrawThemeTextBox( mString,
-                                                               kThemeCurrentPortFont,
-                                                               kThemeStateActive,
-                                                               true,
-                                                               &frame,
-                                                               teJustLeft,
-                                                               nil );
-                   CFRelease( mString ) ;
-                                   height += lineh ;
-               }
-                else
-                {
-                                   ::DrawText( text , laststop , i - laststop ) ;
-                                   height += lineh ;
-                                   ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder + height );
-                               }
-                               laststop = i+1 ;
-                       }
-                       i++ ;
-               }
-        if ( useDrawThemeText )
-        {
-            Rect frame ;
-            frame.top = m_rect.top + kTipBorder + height ;
-            frame.left = m_rect.left + kTipBorder ;
-            frame.bottom = frame.top + 1000 ;
-            frame.right = frame.left + 1000 ;
-            CFStringRef mString = CFStringCreateWithCString( NULL , text + laststop , kCFStringEncodingMacRoman ) ;
-               ::DrawThemeTextBox( mString,
-                                                       kThemeCurrentPortFont,
-                                                       kThemeStateActive,
-                                                       true,
-                                                       &frame,
-                                                       teJustLeft,
-                                                       nil );
-            CFRelease( mString ) ;
-        }
-        else
-        {
-                   ::DrawText( text , laststop , i - laststop ) ;
-               }
-               ::TextMode( srcOr ) ;           
-        }
-       }
+    if ( m_label.empty() )
+        return ;
+
+    if ( m_window == s_ToolTipWindowRef )
+    {
+        m_shown = true ;
+
+        HMHelpContentRec tag ;
+        tag.version = kMacHelpVersion;
+
+        Point p = { m_position.y , m_position.x };
+        wxMacLocalToGlobal( m_window , &p ) ;
+        SetRect( &tag.absHotRect , p.h - 2 , p.v - 2 , p.h + 2 , p.v + 2 );
+
+        m_helpTextRef.Assign( m_label , wxFONTENCODING_DEFAULT ) ;
+        tag.content[kHMMinimumContentIndex].contentType = kHMCFStringContent ;
+        tag.content[kHMMinimumContentIndex].u.tagCFString = m_helpTextRef ;
+        tag.content[kHMMaximumContentIndex].contentType = kHMCFStringContent ;
+        tag.content[kHMMaximumContentIndex].u.tagCFString = m_helpTextRef ;
+        tag.tagSide = kHMDefaultSide;
+        HMDisplayTag( &tag );
+    }

 }
 
 }
 

-void wxToolTip::NotifyWindowDelete( WXHWND win ) 
+void wxToolTip::NotifyWindowDelete( WXHWND win )

 {
 {

-       if ( win == s_ToolTipWindowRef )
-       {
-               s_ToolTipWindowRef = NULL ;
-       }
+    if ( win == s_ToolTipWindowRef )
+        s_ToolTipWindowRef = NULL ;

 }
 
 void wxMacToolTip::Clear()
 {
 }
 
 void wxMacToolTip::Clear()
 {

-       m_mark++ ;
-       if ( m_timer )
-       {
-           delete m_timer ;
-           m_timer = NULL ;
-       }
-       if ( !m_shown )
-               return ;
-                
-       if ( m_window == s_ToolTipWindowRef && m_backpict )
-       {
-               wxMacPortStateHelper help( (GrafPtr) GetWindowPort(m_window) ) ;
-
-               m_shown = false ;
-
-               BackColor( whiteColor ) ;
-               ForeColor(blackColor ) ;
-               DrawPicture(m_backpict, &m_rect);
-               KillPicture(m_backpict);
-               m_backpict = NULL ;
-       }
-}
+    m_mark++ ;
+#if wxUSE_TIMER 
+    if ( m_timer )
+    {
+        delete m_timer ;
+        m_timer = NULL ;
+    }
+#endif // wxUSE_TIMER
+    if ( !m_shown )
+        return ;

 
 

-#endif
+    HMHideTag() ;
+    m_helpTextRef.Release() ;
+}

 
 

+#endif // wxUSE_TOOLTIPS