fix for infinite sizing loop (partial patch 1907189)

[wxWidgets.git] / src / x11 / region.cpp

diff --git a/src/x11/region.cpp b/src/x11/region.cpp
index 14496f4b2cb12797888cf95f9808d5708d9e8cb9..f912e633ba596699f03eff99189201259f3220ab 100644 (file)
--- a/src/x11/region.cpp
+++ b/src/x11/region.cpp
@@ -12,8 +12,11 @@
 #include "wx/wxprec.h"
 
 #include "wx/region.h"
-#include "wx/gdicmn.h"
-#include "wx/log.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/gdicmn.h"
+#endif
 
 #ifdef __VMS__
 #pragma message disable nosimpint
@@ -28,7 +31,7 @@
 // wxRegionRefData: private class containing the information about the region
 // ----------------------------------------------------------------------------
 
-class wxRegionRefData : public wxObjectRefData
+class wxRegionRefData : public wxGDIRefData
 {
 public:
     wxRegionRefData()
@@ -42,7 +45,7 @@ public:
         XUnionRegion( refData.m_region, m_region, m_region );
     }
 
-    ~wxRegionRefData()
+    virtual ~wxRegionRefData()
     {
         if (m_region)
             XDestroyRegion( m_region );
@@ -58,8 +61,8 @@ public:
 #define M_REGIONDATA ((wxRegionRefData *)m_refData)
 #define M_REGIONDATA_OF(rgn) ((wxRegionRefData *)(rgn.m_refData))
 
-IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject);
-IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject)
 
 // ----------------------------------------------------------------------------
 // wxRegion construction
@@ -112,12 +115,12 @@ wxRegion::~wxRegion()
     // m_refData unrefed in ~wxObject
 }
 
-wxObjectRefData *wxRegion::CreateRefData() const
+wxGDIRefData *wxRegion::CreateGDIRefData() const
 {
     return new wxRegionRefData;
 }
 
-wxObjectRefData *wxRegion::CloneRefData(const wxObjectRefData *data) const
+wxGDIRefData *wxRegion::CloneGDIRefData(const wxGDIRefData *data) const
 {
     return new wxRegionRefData(*(wxRegionRefData *)data);
 }
@@ -126,13 +129,8 @@ wxObjectRefData *wxRegion::CloneRefData(const wxObjectRefData *data) const
 // wxRegion comparison
 // ----------------------------------------------------------------------------
 
-bool wxRegion::operator==( const wxRegion& region ) const
+bool wxRegion::DoIsEqual(const wxRegion& region) const
 {
-    if (m_refData == region.m_refData) return true;
-
-    if (!m_refData || !region.m_refData) return false;
-
-    // compare the regions themselves, not the pointers to ref data!
     return XEqualRegion( M_REGIONDATA->m_region,
                          M_REGIONDATA_OF(region)->m_region ) == True;
 }
@@ -146,45 +144,38 @@ void wxRegion::Clear()
     UnRef();
 }
 
-bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoUnionWithRect(const wxRect& r)
 {
     // work around for XUnionRectWithRegion() bug: taking a union with an empty
     // rect results in an empty region (at least XFree 3.3.6 and 4.0 have this
     // problem)
-    if ( !width || !height )
+    if ( r.IsEmpty() )
         return true;
 
     XRectangle rect;
-    rect.x = (short)x;
-    rect.y = (short)y;
-    rect.width = (unsigned short)width;
-    rect.height = (unsigned short)height;
+    rect.x = (short)r.x;
+    rect.y = (short)r.y;
+    rect.width = (unsigned short)r.width;
+    rect.height = (unsigned short)r.height;
 
     if (!m_refData)
     {
         m_refData = new wxRegionRefData();
         M_REGIONDATA->m_region = XCreateRegion();
-        XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
     }
     else
     {
         AllocExclusive();
-
-        XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
     }
 
-    return true;
-}
+    XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
 
-bool wxRegion::Union( const wxRect& rect )
-{
-    return Union( rect.x, rect.y, rect.width, rect.height );
+    return true;
 }
 
-bool wxRegion::Union( const wxRegion& region )
+bool wxRegion::DoUnionWithRegion( const wxRegion& region )
 {
-    if (region.IsNull())
-        return false;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
@@ -203,24 +194,9 @@ bool wxRegion::Union( const wxRegion& region )
     return true;
 }
 
-bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoIntersect( const wxRegion& region )
 {
-    wxRegion reg( x, y, width, height );
-
-    return Intersect( reg );
-}
-
-bool wxRegion::Intersect( const wxRect& rect )
-{
-    wxRegion reg( rect );
-
-    return Intersect( reg );
-}
-
-bool wxRegion::Intersect( const wxRegion& region )
-{
-    if (region.IsNull())
-        return false;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
@@ -242,22 +218,9 @@ bool wxRegion::Intersect( const wxRegion& region )
     return true;
 }
 
-bool wxRegion::Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoSubtract( const wxRegion& region )
 {
-    wxRegion reg( x, y, width, height );
-    return Subtract( reg );
-}
-
-bool wxRegion::Subtract( const wxRect& rect )
-{
-    wxRegion reg( rect );
-    return Subtract( reg );
-}
-
-bool wxRegion::Subtract( const wxRegion& region )
-{
-    if (region.IsNull())
-        return false;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
@@ -276,22 +239,9 @@ bool wxRegion::Subtract( const wxRegion& region )
     return true;
 }
 
-bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
-    wxRegion reg( x, y, width, height );
-    return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRect& rect )
-{
-    wxRegion reg( rect );
-    return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRegion& region )
+bool wxRegion::DoXor( const wxRegion& region )
 {
-    if (region.IsNull())
-        return false;
+    wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
 
     if (!m_refData)
     {
@@ -314,7 +264,7 @@ bool wxRegion::Xor( const wxRegion& region )
 // wxRegion tests
 // ----------------------------------------------------------------------------
 
-void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
+bool wxRegion::DoGetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
 {
     if (m_refData)
     {
@@ -324,6 +274,8 @@ void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
         y = rect.y;
         w = rect.width;
         h = rect.height;
+
+        return true;
     }
     else
     {
@@ -331,17 +283,12 @@ void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
         y = 0;
         w = -1;
         h = -1;
-    }
-}
 
-wxRect wxRegion::GetBox() const
-{
-    wxCoord x, y, w, h;
-    GetBox( x, y, w, h );
-    return wxRect( x, y, w, h );
+        return false;
+    }
 }
 
-bool wxRegion::Offset( wxCoord x, wxCoord y )
+bool wxRegion::DoOffset( wxCoord x, wxCoord y )
 {
     if (!m_refData)
         return false;
@@ -353,7 +300,7 @@ bool wxRegion::Offset( wxCoord x, wxCoord y )
     return true;
 }
 
-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const
 {
     if (!m_refData)
         return true;
@@ -361,7 +308,7 @@ bool wxRegion::Empty() const
     return XEmptyRegion( M_REGIONDATA->m_region ) == True;
 }
 
-wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
+wxRegionContain wxRegion::DoContainsPoint( wxCoord x, wxCoord y ) const
 {
     if (!m_refData)
         return wxOutRegion;
@@ -372,12 +319,12 @@ wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
         return wxOutRegion;
 }
 
-wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const
+wxRegionContain wxRegion::DoContainsRect(const wxRect& r) const
 {
     if (!m_refData)
         return wxOutRegion;
 
-    int res = XRectInRegion( M_REGIONDATA->m_region, x, y, w, h );
+    int res = XRectInRegion(M_REGIONDATA->m_region, r.x, r.y, r.width, r.height);
     switch (res)
     {
         case RectangleIn:   return wxInRegion;
@@ -387,16 +334,6 @@ wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
     return wxOutRegion;
 }
 
-wxRegionContain wxRegion::Contains(const wxPoint& pt) const
-{
-    return Contains( pt.x, pt.y );
-}
-
-wxRegionContain wxRegion::Contains(const wxRect& rect) const
-{
-    return Contains( rect.x, rect.y, rect.width, rect.height );
-}
-
 WXRegion *wxRegion::GetX11Region() const
 {
     if (!m_refData)
@@ -424,12 +361,12 @@ struct _XRegion {
     _XBox *rects, extents;
 };
 
-class wxRIRefData: public wxObjectRefData
+class wxRIRefData: public wxGDIRefData
 {
 public:
 
     wxRIRefData() : m_rects(0), m_numRects(0){}
-   ~wxRIRefData();
+   virtual ~wxRIRefData();
 
     wxRect *m_rects;
     size_t  m_numRects;