]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/region.cpp
Applied patch [ 1776951 ] wxSizer::GetContainingWindow fails for nested sizers
[wxWidgets.git] / src / os2 / region.cpp
index c575c4cdc61c6082963700adad4376c7f5baaf2b..92849e1384609248c5ceb356e5c9553f0a6f8b1c 100644 (file)
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:   10/15/99
 // RCS-ID:    $Id$
-// Copyright: (c) Davdi Webster
+// Copyright: (c) David Webster
 // Licence:   wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -70,7 +70,7 @@ public:
         }
     }
 
-    ~wxRegionRefData()
+    virtual ~wxRegionRefData()
     {
         ::GpiDestroyRegion(m_hPS, m_hRegion);
     }
@@ -86,6 +86,13 @@ public:
 // wxRegion
 //-----------------------------------------------------------------------------
 
+// General remark:
+// wxRegion is always basically stored in wx coordinates. However, since
+// OS/2's internal functions rely on "top > bottom", the values of top and
+// bottom values of a region need to be interchanged, as compared to wx.
+// This needs to be taken into account when feeding any rectangle to wx _or_
+// when accessing the region data via GetBox, wxRegionIterator or otherwise.
+
 /*!
  * Create an empty region.
  */
@@ -144,10 +151,8 @@ wxRegion::wxRegion(
                                      );
 } // end of wxRegion::wxRegion
 
-wxRegion::wxRegion(
-  const wxPoint&                    rTopLeft
-, const wxPoint&                    rBottomRight
-)
+wxRegion::wxRegion(const wxPoint& rTopLeft,
+                   const wxPoint& rBottomRight)
 {
     RECTL                           vRect;
     SIZEL                           vSize = {0, 0};
@@ -162,8 +167,8 @@ wxRegion::wxRegion(
 
     vRect.xLeft   = rTopLeft.x;
     vRect.xRight  = rBottomRight.x;
-    vRect.yBottom = rBottomRight.y;
-    vRect.yTop    = rTopLeft.y;
+    vRect.yBottom = rTopLeft.y;
+    vRect.yTop    = rBottomRight.y;
 
     m_refData     = new wxRegionRefData;
 
@@ -181,9 +186,7 @@ wxRegion::wxRegion(
                                      );
 } // end of wxRegion::wxRegion
 
-wxRegion::wxRegion(
-  const wxRect&                     rRect
-)
+wxRegion::wxRegion(const wxRect& rRect)
 {
     RECTL                           vRect;
     SIZEL                           vSize = {0, 0};
@@ -218,6 +221,11 @@ wxRegion::wxRegion(
                                      );
 } // end of wxRegion::wxRegion
 
+wxRegion::wxRegion(size_t n, const wxPoint *points, int WXUNUSED(fillStyle))
+{
+    // TO DO
+}
+
 //
 // Destroy the region.
 //
@@ -239,7 +247,7 @@ wxObjectRefData *wxRegion::CloneData(const wxObjectRefData *data) const
 //# Modify region
 //-----------------------------------------------------------------------------
 
-bool wxRegion::Offset( wxCoord x, wxCoord y )
+bool wxRegion::DoOffset( wxCoord x, wxCoord y )
 {
     if ( !x && !y )
     {
@@ -268,24 +276,10 @@ void wxRegion::Clear()
     UnRef();
 } // end of wxRegion::Clear
 
-//
-// Combine rectangle (x, y, w, h) with this.
-//
-bool wxRegion::Combine(
-  wxCoord                           x
-, wxCoord                           y
-, wxCoord                           vWidth
-, wxCoord                           vHeight
-, wxRegionOp                        eOp
-)
-{
-    return Combine(wxRegion(x, y, vWidth, vHeight), eOp);
-} // end of wxRegion::Combine
-
 //
 // Union region with this.
 //
-bool wxRegion::Combine( const wxRegion& rRegion, wxRegionOp eOp )
+bool wxRegion::DoCombine( const wxRegion& rRegion, wxRegionOp eOp )
 {
     //
     // We can't use the API functions if we don't have a valid region handle
@@ -350,27 +344,19 @@ bool wxRegion::Combine( const wxRegion& rRegion, wxRegionOp eOp )
     return true;
 } // end of wxRegion::Combine
 
-bool wxRegion::Combine(
-  const wxRect&                     rRect
-, wxRegionOp                        eOp
-)
-{
-    return Combine( rRect.GetLeft()
-                   ,rRect.GetTop()
-                   ,rRect.GetWidth()
-                   ,rRect.GetHeight()
-                   ,eOp
-                  );
-} // end of wxRegion::Combine
-
 //-----------------------------------------------------------------------------
 //# Information on region
 //-----------------------------------------------------------------------------
 
+bool wxRegion::DoIsEqual(const wxRegion& WXUNUSED(region)) const
+{
+    return false;
+}
+
 //
 // Outer bounds of region
 //
-void wxRegion::GetBox(
+bool wxRegion::DoGetBox(
   wxCoord&                          x
 , wxCoord&                          y
 , wxCoord&                          vWidth
@@ -390,24 +376,19 @@ void wxRegion::GetBox(
         y       = vRect.yBottom;
         vWidth  = vRect.xRight - vRect.xLeft;
         vHeight = vRect.yTop - vRect.yBottom;
+        return true;
     }
     else
     {
         x = y = vWidth = vHeight = 0L;
+        return false;
     }
 } // end of wxRegion::GetBox
 
-wxRect wxRegion::GetBox() const
-{
-    wxCoord x, y, w, h;
-    GetBox(x, y, w, h);
-    return wxRect(x, y, w, h);
-}
-
 //
 // Is region empty?
 //
-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const
 {
     wxCoord x;
     wxCoord y;
@@ -423,52 +404,25 @@ bool wxRegion::Empty() const
            ,vHeight
           );
     return ((vWidth == 0) && (vHeight == 0));
-} // end of wxRegion::Empty
+} // end of wxRegion::IsEmpty
 
 //-----------------------------------------------------------------------------
 // Tests
 //-----------------------------------------------------------------------------
-
-//
-// Does the region contain the point (x,y)?
-wxRegionContain wxRegion::Contains(
-  wxCoord                           x
-, wxCoord                           y
-) const
-{
-    POINTL                          vPoint;
-
-    vPoint.x = x;
-    vPoint.y = y;
-
-    if (!m_refData)
-        return wxOutRegion;
-
-    LONG                            lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
-                                                              ,M_REGION
-                                                              ,&vPoint
-                                                             );
-    if (lInside == PRGN_INSIDE)
-        return wxInRegion;
-    return wxOutRegion;
-} // end of wxRegion::Contains
-
 //
 // Does the region contain the point pt?
 //
-wxRegionContain wxRegion::Contains(
-  const wxPoint&                    rPoint
-) const
+wxRegionContain wxRegion::DoContainsPoint( wxCoord x, wxCoord y ) const
 {
-    POINTL                          vPoint = { rPoint.x, rPoint.y };
+    POINTL vPoint = { x, y };
 
     if (!m_refData)
         return wxOutRegion;
 
-    LONG                            lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
-                                                              ,M_REGION
-                                                              ,&vPoint
-                                                             );
+    LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS,
+                                    M_REGION,
+                                    &vPoint
+                                  );
     if (lInside == PRGN_INSIDE)
         return wxInRegion;
     else
@@ -478,56 +432,29 @@ wxRegionContain wxRegion::Contains(
 //
 // Does the region contain the rectangle (x, y, w, h)?
 //
-wxRegionContain wxRegion::Contains(
-  wxCoord                           x
-, wxCoord                           y
-, wxCoord                           vWidth
-, wxCoord                           vHeight
-) const
+wxRegionContain wxRegion::DoContainsRect(const wxRect& rect) const
 {
-    RECTL                           vRect;
-
     if (!m_refData)
         return wxOutRegion;
 
-    vRect.xLeft   = x;
-    vRect.yTop    = y;
-    vRect.xRight  = x + vWidth;
-    vRect.yBottom = y + vHeight;
-
-    if (PRGN_INSIDE == ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS
-                                         ,M_REGION
-                                         ,&vRect
-                                        ))
-        return wxInRegion;
-    else
-        return wxOutRegion;
-} // end of wxRegion::Contains
-
-//
-// Does the region contain the rectangle rect
-//
-wxRegionContain wxRegion::Contains(
-  const wxRect&                     rRect
-) const
-{
-    if (!m_refData)
-        return wxOutRegion;
+    RECTL   vRect;
+    vRect.xLeft   = rect.x;
+    vRect.xRight  = rect.x + rect.width;
+    vRect.yTop    = rect.y + rect.height;
+    vRect.yBottom = rect.y;
+
+    LONG lInside = ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS,
+                                      M_REGION,
+                                      &vRect
+                                    );
+    switch (lInside)
+    {
+        case RRGN_INSIDE    :   return wxInRegion;
+        case RRGN_PARTIAL   :   return wxPartRegion;
+        case RRGN_ERROR     :
+        default             :   return wxOutRegion;
+    }
 
-    wxCoord                         x;
-    wxCoord                         y;
-    wxCoord                         vWidth;
-    wxCoord                         vHeight;
-
-    x       = rRect.x;
-    y       = rRect.y;
-    vWidth  = rRect.GetWidth();
-    vHeight = rRect.GetHeight();
-    return Contains( x
-                    ,y
-                    ,vWidth
-                    ,vHeight
-                   );
 } // end of wxRegion::Contains
 
 //