attempt to fix crash in tree ctrl

[wxWidgets.git] / src / msw / brush.cpp

diff --git a/src/msw/brush.cpp b/src/msw/brush.cpp
index 2b34ed2f23b1650cf5ab97c501f5f8eada67aaa9..825410a28bdf161b3c5a9d5bac59ce72b3d584af 100644 (file)
--- a/src/msw/brush.cpp
+++ b/src/msw/brush.cpp
@@ -33,14 +33,19 @@
 
 #include "assert.h"
 
 
 #include "assert.h"
 

-#if !USE_SHARED_LIBRARIES

 IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
 IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)

-#endif

 
 wxBrushRefData::wxBrushRefData(void)
 {
   m_style = wxSOLID;
 
 wxBrushRefData::wxBrushRefData(void)
 {
   m_style = wxSOLID;

-//  m_stipple = NULL ;
+  m_hBrush = 0;
+}
+
+wxBrushRefData::wxBrushRefData(const wxBrushRefData& data)
+{
+  m_style = data.m_style;
+  m_stipple = data.m_stipple;
+  m_colour = data.m_colour;

   m_hBrush = 0;
 }
 
   m_hBrush = 0;
 }
 


@@ -63,21 +68,7 @@ wxBrush::~wxBrush()
         wxTheBrushList->RemoveBrush(this);
 }
 
         wxTheBrushList->RemoveBrush(this);
 }
 

-wxBrush::wxBrush(const wxColour& col, const int Style)
-{
-  m_refData = new wxBrushRefData;
-
-  M_BRUSHDATA->m_colour = col;
-  M_BRUSHDATA->m_style = Style;
-  M_BRUSHDATA->m_hBrush = 0;
-
-  RealizeResource();
-
-  if ( wxTheBrushList )
-    wxTheBrushList->AddBrush(this);
-}
-
-wxBrush::wxBrush(const wxString& col, const int Style)
+wxBrush::wxBrush(const wxColour& col, int Style)

 {
   m_refData = new wxBrushRefData;
 
 {
   m_refData = new wxBrushRefData;
 


@@ -95,8 +86,12 @@ wxBrush::wxBrush(const wxBitmap& stipple)
 {
   m_refData = new wxBrushRefData;
 
 {
   m_refData = new wxBrushRefData;
 

-  M_BRUSHDATA->m_style = wxSTIPPLE;

   M_BRUSHDATA->m_stipple = stipple;
   M_BRUSHDATA->m_stipple = stipple;

+  if (M_BRUSHDATA->m_stipple.GetMask())
+         M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
+  else
+         M_BRUSHDATA->m_style = wxSTIPPLE;
+

   M_BRUSHDATA->m_hBrush = 0;
 
   RealizeResource();
   M_BRUSHDATA->m_hBrush = 0;
 
   RealizeResource();


@@ -105,7 +100,7 @@ wxBrush::wxBrush(const wxBitmap& stipple)
     wxTheBrushList->AddBrush(this);
 }
 
     wxTheBrushList->AddBrush(this);
 }
 

-bool wxBrush::RealizeResource(void) 
+bool wxBrush::RealizeResource(void)

 {
   if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0))
   {
 {
   if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0))
   {


@@ -156,12 +151,18 @@ bool wxBrush::RealizeResource(void)
         else
           M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
         break ;
         else
           M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
         break ;

+      case wxSTIPPLE_MASK_OPAQUE:
+        if (M_BRUSHDATA->m_stipple.Ok() && M_BRUSHDATA->m_stipple.GetMask())
+          M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreatePatternBrush((HBITMAP) M_BRUSHDATA->m_stipple.GetMask()->GetMaskBitmap());
+        else
+          M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
+        break ;

       case wxSOLID:
       default:
         M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
         break;
     }
       case wxSOLID:
       default:
         M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
         break;
     }

-#ifdef DEBUG_CREATE
+#ifdef WXDEBUG_CREATE

     if (M_BRUSHDATA->m_hBrush==NULL) wxError("Cannot create brush","Internal error") ;
 #endif
     return TRUE;
     if (M_BRUSHDATA->m_hBrush==NULL) wxError("Cannot create brush","Internal error") ;
 #endif
     return TRUE;


@@ -175,7 +176,7 @@ WXHANDLE wxBrush::GetResourceHandle(void)
   return (WXHANDLE) M_BRUSHDATA->m_hBrush;
 }
 
   return (WXHANDLE) M_BRUSHDATA->m_hBrush;
 }
 

-bool wxBrush::FreeResource(bool force)
+bool wxBrush::FreeResource(bool WXUNUSED(force))

 {
   if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush != 0))
   {
 {
   if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush != 0))
   {


@@ -186,77 +187,64 @@ bool wxBrush::FreeResource(bool force)
   else return FALSE;
 }
 
   else return FALSE;
 }
 

-/*
-bool wxBrush::UseResource(void)
+bool wxBrush::IsFree() const

 {
 {

-  IncrementResourceUsage();
-  return TRUE;
+  return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));

 }
 
 }
 

-bool wxBrush::ReleaseResource(void)
+void wxBrush::Unshare()

 {
 {

-  DecrementResourceUsage();
-  return TRUE;
+       // Don't change shared data
+       if (!m_refData)
+    {
+               m_refData = new wxBrushRefData();
+       }
+    else
+    {
+               wxBrushRefData* ref = new wxBrushRefData(*(wxBrushRefData*)m_refData);
+               UnRef();
+               m_refData = ref;
+       }

 }
 }

-*/

 
 

-bool wxBrush::IsFree(void)
-{
-  return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));
-}

 
 void wxBrush::SetColour(const wxColour& col)
 {
 
 void wxBrush::SetColour(const wxColour& col)
 {

-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();

 
 

-  M_BRUSHDATA->m_colour = col;
+    M_BRUSHDATA->m_colour = col;

 
 

-  if (FreeResource())

     RealizeResource();
 }
 
     RealizeResource();
 }
 

-void wxBrush::SetColour(const wxString& col)
+void wxBrush::SetColour(unsigned char r, unsigned char g, unsigned char b)

 {
 {

-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();

 
 

-  M_BRUSHDATA->m_colour = col;
+    M_BRUSHDATA->m_colour.Set(r, g, b);

 
 

-  if (FreeResource())

     RealizeResource();
 }
 
     RealizeResource();
 }
 

-void wxBrush::SetColour(const unsigned char r, const unsigned char g, const unsigned char b)
+void wxBrush::SetStyle(int Style)

 {
 {

-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
-
-  M_BRUSHDATA->m_colour.Set(r, g, b);
+    Unshare();

 
 

-  if (FreeResource())
-    RealizeResource();
-}
-
-void wxBrush::SetStyle(const int Style)
-{
-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
-
-  M_BRUSHDATA->m_style = Style;
+    M_BRUSHDATA->m_style = Style;

 
 

-  if (FreeResource())

     RealizeResource();
 }
 
 void wxBrush::SetStipple(const wxBitmap& Stipple)
 {
     RealizeResource();
 }
 
 void wxBrush::SetStipple(const wxBitmap& Stipple)
 {

-  if ( !M_BRUSHDATA )
-       m_refData = new wxBrushRefData;
+    Unshare();

 
 

-  M_BRUSHDATA->m_stipple = Stipple;
+    M_BRUSHDATA->m_stipple = Stipple;
+    if (M_BRUSHDATA->m_stipple.GetMask())
+       M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
+    else
+       M_BRUSHDATA->m_style = wxSTIPPLE;

 
 

-  if (FreeResource())

     RealizeResource();
 }
 
     RealizeResource();
 }