add automatic rescaling to wxArtProvider

[wxWidgets.git] / src / univ / winuniv.cpp

diff --git a/src/univ/winuniv.cpp b/src/univ/winuniv.cpp
index 33de11472160ddb1cf092b05a2e52c6d88e59f05..83a0c68761afccef3477e4b5569c084c1c57fd7d 100644 (file)
--- a/src/univ/winuniv.cpp
+++ b/src/univ/winuniv.cpp
@@ -108,6 +108,9 @@ void wxWindow::Init()
     m_isCurrent = FALSE;
 
     m_renderer = wxTheme::Get()->GetRenderer();
+    
+    m_oldSize.x = -1;
+    m_oldSize.y = -1;
 }
 
 bool wxWindow::Create(wxWindow *parent,
@@ -180,7 +183,7 @@ void wxWindow::OnErase(wxEraseEvent& event)
 
         return;
     }
-
+    
     DoDrawBackground(*event.GetDC());
 
     // if we have both scrollbars, we also have a square in the corner between
@@ -446,12 +449,114 @@ int wxWindow::GetStateFlags() const
 
 void wxWindow::OnSize(wxSizeEvent& event)
 {
+    event.Skip();
+    
     if ( m_scrollbarVert || m_scrollbarHorz )
     {
         PositionScrollbars();
     }
-
-    event.Skip();
+    
+#ifndef __WXMSW__
+    // Refresh the area (strip) previously occupied by the border
+    
+    if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ) && IsShown())
+    {
+        // This code assumes that wxSizeEvent.GetSize() returns
+        // the area of the entire window, not just the client
+        // area.
+        wxSize newSize = event.GetSize();
+        
+        if (m_oldSize.x == -1 && m_oldSize.y == -1)
+        {
+            m_oldSize = newSize;
+            return;
+        }
+        
+        if (HasFlag( wxSIMPLE_BORDER ))
+        {
+            if (newSize.y > m_oldSize.y)
+            {
+                wxRect rect;
+                rect.x = 0;
+                rect.width = m_oldSize.x;
+                rect.y = m_oldSize.y-2;
+                rect.height = 1;
+                Refresh( TRUE, &rect );
+            }
+            else if (newSize.y < m_oldSize.y)
+            {
+                wxRect rect;
+                rect.y = newSize.y;
+                rect.x = 0;
+                rect.height = 1;
+                rect.width = newSize.x;
+                wxWindowNative::Refresh( TRUE, &rect );
+            }
+            
+            if (newSize.x > m_oldSize.x)
+            {
+                wxRect rect;
+                rect.y = 0;
+                rect.height = m_oldSize.y;
+                rect.x = m_oldSize.x-2;
+                rect.width = 1;
+                Refresh( TRUE, &rect );
+            }
+            else if (newSize.x < m_oldSize.x)
+            {
+                wxRect rect;
+                rect.x = newSize.x;
+                rect.y = 0;
+                rect.width = 1;
+                rect.height = newSize.y;
+                wxWindowNative::Refresh( TRUE, &rect );
+            }
+        }
+        else
+        if (HasFlag( wxSUNKEN_BORDER ) || HasFlag( wxRAISED_BORDER ))
+        {
+            if (newSize.y > m_oldSize.y)
+            {
+                wxRect rect;
+                rect.x = 0;
+                rect.width = m_oldSize.x;
+                rect.y = m_oldSize.y-4;
+                rect.height = 2;
+                Refresh( TRUE, &rect );
+            }
+            else if (newSize.y < m_oldSize.y)
+            {
+                wxRect rect;
+                rect.y = newSize.y;
+                rect.x = 0;
+                rect.height = 2;
+                rect.width = newSize.x;
+                wxWindowNative::Refresh( TRUE, &rect );
+            }
+            
+            if (newSize.x > m_oldSize.x)
+            {
+                wxRect rect;
+                rect.y = 0;
+                rect.height = m_oldSize.y;
+                rect.x = m_oldSize.x-4;
+                rect.width = 2;
+                Refresh( TRUE, &rect );
+            }
+            else if (newSize.x < m_oldSize.x)
+            {
+                wxRect rect;
+                rect.x = newSize.x;
+                rect.y = 0;
+                rect.width = 2;
+                rect.height = newSize.y;
+                wxWindowNative::Refresh( TRUE, &rect );
+            }
+        }
+        
+        m_oldSize = newSize;
+    }
+#endif
 }
 
 wxSize wxWindow::DoGetBestSize() const
@@ -795,8 +900,32 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
          node; node = node->GetNext())
     {
         wxWindow *child = node->GetData();
-        if ( child != m_scrollbarVert && child != m_scrollbarHorz &&      
-             (rect == NULL || rect->Intersects(child->GetRect())) )
+        if ( child == m_scrollbarVert || child == m_scrollbarHorz )
+            continue;
+
+        // VS: Scrolling children has non-trivial semantics. If rect=NULL then
+        //     it is easy: we scroll all children. Otherwise it gets 
+        //     complicated:
+        //       1. if scrolling in one direction only, scroll only
+        //          those children that intersect shaft defined by the rectangle
+        //          and scrolling direction
+        //       2. if scrolling in both axes, scroll all children
+        
+        if ( rect && (dx * dy == 0 /* moving in only one of x, y axis */) )
+        {
+            wxRect childRect = child->GetRect();
+            if ( dx == 0 && (childRect.GetLeft() <= rect->GetRight() ||
+                             childRect.GetRight() >= rect->GetLeft()) )
+            {
+                child->Move(child->GetPosition() + offset);
+            }
+            else if ( dy == 0 && (childRect.GetTop() <= rect->GetBottom() ||
+                                  childRect.GetBottom() >= rect->GetTop()) )
+            {
+                child->Move(child->GetPosition() + offset);
+            }
+        }
+        else
         {
             child->Move(child->GetPosition() + offset);
         }