X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2b5f62a0b2db198609b45dec622a018dae37008e..1aca9fcdfc51f165210a9976f28afb192bfb252f:/src/gtk/region.cpp

diff --git a/src/gtk/region.cpp b/src/gtk/region.cpp
index f9ac057cbe..92ec47f1e7 100644
--- a/src/gtk/region.cpp
+++ b/src/gtk/region.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/region.cpp
+// Name:        src/gtk/region.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Modified:    VZ at 05.10.00: use AllocExclusive(), comparison fixed
@@ -12,45 +12,27 @@
 // declarations
 // ============================================================================
 
-#ifdef __GNUG__
-    #pragma implementation "region.h"
-#endif
-
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 
-#include "wx/log.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/region.h"
 
-#include "wx/gtk/private.h"
-
-#ifndef __WXGTK20__
-
-// ----------------------------------------------------------------------------
-// wxGdkRegion: creates a new region in ctor and destroys in dtor
-// ----------------------------------------------------------------------------
-
-class wxGdkRegion
-{
-public:
-    wxGdkRegion() { m_region = gdk_region_new(); }
-    ~wxGdkRegion() { gdk_region_destroy(m_region); }
-
-    operator GdkRegion *() const { return m_region; }
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+#endif
 
-private:
-    GdkRegion *m_region;
-};
+#include "wx/gtk/private.h"
 
-#endif // __WXGTK20__
 
 // ----------------------------------------------------------------------------
 // wxRegionRefData: private class containing the information about the region
 // ----------------------------------------------------------------------------
 
-class wxRegionRefData : public wxObjectRefData
+class wxRegionRefData : public wxGDIRefData
 {
 public:
     wxRegionRefData()
@@ -59,16 +41,12 @@ public:
     }
 
     wxRegionRefData(const wxRegionRefData& refData)
-        : wxObjectRefData()
+        : wxGDIRefData()
     {
-#ifdef __WXGTK20__
         m_region = gdk_region_copy(refData.m_region);
-#else
-        m_region = gdk_regions_union(wxGdkRegion(), refData.m_region);
-#endif
     }
 
-    ~wxRegionRefData()
+    virtual ~wxRegionRefData()
     {
         if (m_region)
             gdk_region_destroy( m_region );
@@ -103,24 +81,17 @@ void wxRegion::InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
 
     m_refData = new wxRegionRefData();
 
-#ifdef __WXGTK20__
     M_REGIONDATA->m_region = gdk_region_rectangle( &rect );
-#else
-    M_REGIONDATA->m_region = gdk_region_union_with_rect( wxGdkRegion(), &rect );
-#endif
 }
 
 wxRegion::wxRegion( GdkRegion *region )
 {
     m_refData = new wxRegionRefData();
-#ifdef __WXGTK20__
     M_REGIONDATA->m_region = gdk_region_copy( region );
-#else
-    M_REGIONDATA->m_region = gdk_regions_union(wxGdkRegion(), region);
-#endif
 }
 
-wxRegion::wxRegion( size_t n, const wxPoint *points, int fillStyle )
+wxRegion::wxRegion( size_t n, const wxPoint *points,
+                    wxPolygonFillMode fillStyle )
 {
     GdkPoint *gdkpoints = new GdkPoint[n];
     for ( size_t i = 0 ; i < n ; i++ )
@@ -149,12 +120,12 @@ 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);
 }
@@ -163,13 +134,8 @@ wxObjectRefData *wxRegion::CloneRefData(const wxObjectRefData *data) const
 // wxRegion comparison
 // ----------------------------------------------------------------------------
 
-bool wxRegion::operator==( const wxRegion& region )
+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 gdk_region_equal(M_REGIONDATA->m_region,
                             M_REGIONDATA_OF(region)->m_region);
 }
@@ -183,197 +149,121 @@ void wxRegion::Clear()
     UnRef();
 }
 
-bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoUnionWithRect(const wxRect& r)
 {
     // workaround for a strange GTK/X11 bug: taking union with an empty
     // rectangle results in an empty region which is definitely not what we
     // want
-    if ( !width || !height )
-        return TRUE;
+    if ( r.IsEmpty() )
+        return true;
 
     if ( !m_refData )
     {
-        InitRect(x, y, width, height);
+        InitRect(r.x, r.y, r.width, r.height);
     }
     else
     {
         AllocExclusive();
 
         GdkRectangle rect;
-        rect.x = x;
-        rect.y = y;
-        rect.width = width;
-        rect.height = height;
+        rect.x = r.x;
+        rect.y = r.y;
+        rect.width = r.width;
+        rect.height = r.height;
 
-#ifdef __WXGTK20__
         gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
-#else
-        GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
-        gdk_region_destroy( M_REGIONDATA->m_region );
-        M_REGIONDATA->m_region = reg;
-#endif
     }
 
-    return TRUE;
+    return true;
 }
 
-bool wxRegion::Union( const wxRect& rect )
+bool wxRegion::DoUnionWithRegion( const wxRegion& region )
 {
-    return Union( rect.x, rect.y, rect.width, rect.height );
-}
-
-bool wxRegion::Union( const wxRegion& region )
-{
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.IsOk(), false, wxT("invalid region") );
 
     if (!m_refData)
     {
-        m_refData = new wxRegionRefData();
-        M_REGIONDATA->m_region = gdk_region_new();
+        m_refData = new wxRegionRefData(*M_REGIONDATA_OF(region));
     }
     else
     {
         AllocExclusive();
+        gdk_region_union( M_REGIONDATA->m_region, region.GetRegion() );
     }
 
-#ifdef __WXGTK20__
-    gdk_region_union( M_REGIONDATA->m_region, region.GetRegion() );
-#else
-    GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
-    gdk_region_destroy( M_REGIONDATA->m_region );
-    M_REGIONDATA->m_region = reg;
-#endif
-
-    return TRUE;
-}
-
-bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
-    wxRegion reg( x, y, width, height );
-
-    return Intersect( reg );
-}
-
-bool wxRegion::Intersect( const wxRect& rect )
-{
-    wxRegion reg( rect );
-
-    return Intersect( reg );
+    return true;
 }
 
-bool wxRegion::Intersect( const wxRegion& region )
+bool wxRegion::DoIntersect( const wxRegion& region )
 {
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.IsOk(), false, wxT("invalid region") );
 
     if (!m_refData)
     {
         // intersecting with invalid region doesn't make sense
-        return FALSE;
+        return false;
     }
 
     AllocExclusive();
 
-#ifdef __WXGTK20__
     gdk_region_intersect( M_REGIONDATA->m_region, region.GetRegion() );
-#else
-    GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
-    gdk_region_destroy( M_REGIONDATA->m_region );
-    M_REGIONDATA->m_region = reg;
-#endif
-
-    return TRUE;
-}
-
-bool wxRegion::Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
-    wxRegion reg( x, y, width, height );
-    return Subtract( reg );
-}
 
-bool wxRegion::Subtract( const wxRect& rect )
-{
-    wxRegion reg( rect );
-    return Subtract( reg );
+    return true;
 }
 
-bool wxRegion::Subtract( const wxRegion& region )
+bool wxRegion::DoSubtract( const wxRegion& region )
 {
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.IsOk(), false, wxT("invalid region") );
 
     if (!m_refData)
     {
         // subtracting from an invalid region doesn't make sense
-        return FALSE;
+        return false;
     }
 
     AllocExclusive();
 
-#ifdef __WXGTK20__
     gdk_region_subtract( M_REGIONDATA->m_region, region.GetRegion() );
-#else
-    GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
-    gdk_region_destroy( M_REGIONDATA->m_region );
-    M_REGIONDATA->m_region = reg;
-#endif
 
-    return TRUE;
+    return true;
 }
 
-bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoXor( const wxRegion& region )
 {
-    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 )
-{
-    if (region.IsNull())
-        return FALSE;
+    wxCHECK_MSG( region.IsOk(), false, wxT("invalid region") );
 
     if (!m_refData)
     {
-        return FALSE;
+        // XOR-ing with an invalid region is the same as XOR-ing with an empty
+        // one, i.e. it is simply a copy.
+        m_refData = new wxRegionRefData(*M_REGIONDATA_OF(region));
     }
+    else
+    {
+        AllocExclusive();
 
-    AllocExclusive();
-
-#ifdef __WXGTK20__
-    gdk_region_xor( M_REGIONDATA->m_region, region.GetRegion() );
-#else
-    GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
-    gdk_region_destroy( M_REGIONDATA->m_region );
-    M_REGIONDATA->m_region = reg;
-#endif
+        gdk_region_xor( M_REGIONDATA->m_region, region.GetRegion() );
+    }
 
-    return TRUE;
+    return true;
 }
 
-bool wxRegion::Offset( wxCoord x, wxCoord y )
+bool wxRegion::DoOffset( wxCoord x, wxCoord y )
 {
-    if (!m_refData)
-        return FALSE;
+    wxCHECK_MSG( m_refData, false, wxS("invalid region") );
 
     AllocExclusive();
 
     gdk_region_offset( M_REGIONDATA->m_region, x, y );
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
 // 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 )
     {
@@ -383,6 +273,8 @@ void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
         y = rect.y;
         w = rect.width;
         h = rect.height;
+
+        return true;
     }
     else
     {
@@ -390,25 +282,20 @@ 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::Empty() const
+bool wxRegion::IsEmpty() const
 {
     if (!m_refData)
-        return TRUE;
+        return true;
 
     return gdk_region_empty( M_REGIONDATA->m_region );
 }
 
-wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
+wxRegionContain wxRegion::DoContainsPoint( wxCoord x, wxCoord y ) const
 {
     if (!m_refData)
         return wxOutRegion;
@@ -419,16 +306,16 @@ 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;
 
     GdkRectangle rect;
-    rect.x = x;
-    rect.y = y;
-    rect.width = w;
-    rect.height = h;
+    rect.x = r.x;
+    rect.y = r.y;
+    rect.width = r.width;
+    rect.height = r.height;
     GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
     switch (res)
     {
@@ -439,20 +326,10 @@ 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 );
-}
-
 GdkRegion *wxRegion::GetRegion() const
 {
     if (!m_refData)
-        return (GdkRegion*) NULL;
+        return NULL;
 
     return M_REGIONDATA->m_region;
 }
@@ -461,66 +338,45 @@ GdkRegion *wxRegion::GetRegion() const
 // wxRegionIterator
 // ----------------------------------------------------------------------------
 
-#ifndef __WXGTK20__
-
-// the following structures must match the private structures
-// in X11 region code ( xc/lib/X11/region.h )
-
-// this makes the Region type transparent
-// and we have access to the region rectangles
-
-#include <gdk/gdkprivate.h>
-
-struct _XBox {
-    short x1, x2, y1, y2;
-};
-
-struct _XRegion {
-    long   size , numRects;
-    _XBox *rects, extents;
-};
-
-#endif // GTK+ 1.x
-
-class wxRIRefData: public wxObjectRefData
+wxRegionIterator::wxRegionIterator()
 {
-public:
-    wxRIRefData() { Init(); }
-    virtual ~wxRIRefData();
-
-    void CreateRects( const wxRegion& r );
-
-    void Init() { m_rects = NULL; m_numRects = 0; }
+    Init();
+    Reset();
+}
 
-    wxRect *m_rects;
-    size_t  m_numRects;
-};
+wxRegionIterator::wxRegionIterator( const wxRegion& region )
+{
+    Init();
+    Reset(region);
+}
 
-wxRIRefData::~wxRIRefData()
+void wxRegionIterator::Init()
 {
-    delete [] m_rects;
+    m_rects = NULL;
+    m_numRects = 0;
 }
 
-void wxRIRefData::CreateRects( const wxRegion& region )
+wxRegionIterator::~wxRegionIterator()
 {
-    delete [] m_rects;
+    wxDELETEA(m_rects);
+}
 
-    Init();
+void wxRegionIterator::CreateRects( const wxRegion& region )
+{
+    wxDELETEA(m_rects);
+    m_numRects = 0;
 
     GdkRegion *gdkregion = region.GetRegion();
     if (!gdkregion)
         return;
 
-#ifdef __WXGTK20__
-    GdkRectangle *gdkrects = NULL;
-    gint numRects = 0;
-    gdk_region_get_rectangles( gdkregion, &gdkrects, &numRects );
+    GdkRectangle* gdkrects;
+    gdk_region_get_rectangles(gdkregion, &gdkrects, &m_numRects);
 
-    m_numRects = numRects;
-    if (numRects)
+    if (m_numRects)
     {
         m_rects = new wxRect[m_numRects];
-        for (size_t i=0; i < m_numRects; ++i)
+        for (int i = 0; i < m_numRects; ++i)
         {
             GdkRectangle &gr = gdkrects[i];
             wxRect &wr = m_rects[i];
@@ -531,50 +387,18 @@ void wxRIRefData::CreateRects( const wxRegion& region )
         }
     }
     g_free( gdkrects );
-#else // GTK+ 1.x
-    Region r = ((GdkRegionPrivate *)gdkregion)->xregion;
-    if (r)
-    {
-        m_numRects = r->numRects;
-        if (m_numRects)
-        {
-            m_rects = new wxRect[m_numRects];
-            for (size_t i=0; i < m_numRects; ++i)
-            {
-                _XBox &xr = r->rects[i];
-                wxRect &wr = m_rects[i];
-                wr.x = xr.x1;
-                wr.y = xr.y1;
-                wr.width = xr.x2-xr.x1;
-                wr.height = xr.y2-xr.y1;
-            }
-        }
-    }
-#endif // GTK+ 2.0/1.x
-}
-
-wxRegionIterator::wxRegionIterator()
-{
-    m_refData = new wxRIRefData();
-    Reset();
-}
-
-wxRegionIterator::wxRegionIterator( const wxRegion& region )
-{
-    m_refData = new wxRIRefData();
-    Reset(region);
 }
 
 void wxRegionIterator::Reset( const wxRegion& region )
 {
     m_region = region;
-    ((wxRIRefData*)m_refData)->CreateRects(region);
+    CreateRects(region);
     Reset();
 }
 
 bool wxRegionIterator::HaveRects() const
 {
-    return m_current < ((wxRIRefData*)m_refData)->m_numRects;
+    return m_current < m_numRects;
 }
 
 wxRegionIterator& wxRegionIterator::operator ++ ()
@@ -588,6 +412,7 @@ wxRegionIterator& wxRegionIterator::operator ++ ()
 wxRegionIterator wxRegionIterator::operator ++ (int)
 {
     wxRegionIterator tmp = *this;
+
     if (HaveRects())
         ++m_current;
 
@@ -596,38 +421,54 @@ wxRegionIterator wxRegionIterator::operator ++ (int)
 
 wxCoord wxRegionIterator::GetX() const
 {
-    wxCHECK_MSG( HaveRects(), 0, _T("invalid wxRegionIterator") );
+    wxCHECK_MSG( HaveRects(), 0, wxT("invalid wxRegionIterator") );
 
-    return ((wxRIRefData*)m_refData)->m_rects[m_current].x;
+    return m_rects[m_current].x;
 }
 
 wxCoord wxRegionIterator::GetY() const
 {
-    wxCHECK_MSG( HaveRects(), 0, _T("invalid wxRegionIterator") );
+    wxCHECK_MSG( HaveRects(), 0, wxT("invalid wxRegionIterator") );
 
-    return ((wxRIRefData*)m_refData)->m_rects[m_current].y;
+    return m_rects[m_current].y;
 }
 
 wxCoord wxRegionIterator::GetW() const
 {
-    wxCHECK_MSG( HaveRects(), 0, _T("invalid wxRegionIterator") );
+    wxCHECK_MSG( HaveRects(), 0, wxT("invalid wxRegionIterator") );
 
-    return ((wxRIRefData*)m_refData)->m_rects[m_current].width;
+    return m_rects[m_current].width;
 }
 
 wxCoord wxRegionIterator::GetH() const
 {
-    wxCHECK_MSG( HaveRects(), 0, _T("invalid wxRegionIterator") );
+    wxCHECK_MSG( HaveRects(), 0, wxT("invalid wxRegionIterator") );
 
-    return ((wxRIRefData*)m_refData)->m_rects[m_current].height;
+    return m_rects[m_current].height;
 }
 
 wxRect wxRegionIterator::GetRect() const
 {
     wxRect r;
     if( HaveRects() )
-        r = ((wxRIRefData*)m_refData)->m_rects[m_current];
+        r = m_rects[m_current];
 
     return r;
 }
 
+wxRegionIterator& wxRegionIterator::operator=(const wxRegionIterator& ri)
+{
+    if (this != &ri)
+    {
+        wxDELETEA(m_rects);
+
+        m_current = ri.m_current;
+        m_numRects = ri.m_numRects;
+        if ( m_numRects )
+        {
+            m_rects = new wxRect[m_numRects];
+            memcpy(m_rects, ri.m_rects, m_numRects * sizeof m_rects[0]);
+        }
+    }
+    return *this;
+}