unused variable warning fix (patch 923094)

[wxWidgets.git] / src / generic / sashwin.cpp

diff --git a/src/generic/sashwin.cpp b/src/generic/sashwin.cpp
index 8d679953dfc5c32bee6e49c651b7f25a077b8b9e..b713f12752a95285e8928dc38e373b709656257c 100644 (file)
--- a/src/generic/sashwin.cpp
+++ b/src/generic/sashwin.cpp
@@ -8,10 +8,10 @@
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "sashwin.h"
 #endif
 
@@ -46,6 +46,10 @@ BEGIN_EVENT_TABLE(wxSashWindow, wxWindow)
     EVT_PAINT(wxSashWindow::OnPaint)
     EVT_SIZE(wxSashWindow::OnSize)
     EVT_MOUSE_EVENTS(wxSashWindow::OnMouseEvent)
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+    EVT_SET_CURSOR(wxSashWindow::OnSetCursor)
+#endif // wxMSW
+
 END_EVENT_TABLE()
 
 bool wxSashWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos,
@@ -77,6 +81,7 @@ void wxSashWindow::Init()
     m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE);
     m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS);
     m_mouseCaptured = FALSE;
+    m_currentCursor = NULL;
 
     // Eventually, we'll respond to colour change messages
     InitColours();
@@ -86,9 +91,7 @@ void wxSashWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
     wxPaintDC dc(this);
 
-    //    if ( m_borderSize > 0 )
     DrawBorders(dc);
-
     DrawSashes(dc);
 }
 
@@ -99,15 +102,6 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
 
     wxSashEdgePosition sashHit = SashHitTest(x, y);
 
-    // reset the cursor
-#if defined(__WXMOTIF__) || defined(__WXGTK__)
-    // Not necessary and in fact inhibits proper cursor setting (JACS 8/2000)
-    //SetCursor(* wxSTANDARD_CURSOR);
-#endif
-#ifdef __WXMSW__
-    SetCursor(wxNullCursor);
-#endif
-
     if (event.LeftDown())
     {
         CaptureMouse();
@@ -139,11 +133,19 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
 
             if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
             {
-                SetCursor(*m_sashCursorWE);
+                if (m_currentCursor != m_sashCursorWE)
+                {
+                    SetCursor(*m_sashCursorWE);
+                }
+                m_currentCursor = m_sashCursorWE;
             }
             else
             {
-                SetCursor(*m_sashCursorNS);
+                if (m_currentCursor != m_sashCursorNS)
+                {
+                    SetCursor(*m_sashCursorNS);
+                }
+                m_currentCursor = m_sashCursorNS;
             }
         }
     }
@@ -296,16 +298,25 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
         {
             if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
             {
-                SetCursor(*m_sashCursorWE);
+                if (m_currentCursor != m_sashCursorWE)
+                {
+                    SetCursor(*m_sashCursorWE);
+                }
+                m_currentCursor = m_sashCursorWE;
             }
             else
             {
-                SetCursor(*m_sashCursorNS);
+                if (m_currentCursor != m_sashCursorNS)
+                {
+                    SetCursor(*m_sashCursorNS);
+                }
+                m_currentCursor = m_sashCursorNS;
             }
         }
         else
         {
             SetCursor(wxNullCursor);
+            m_currentCursor = NULL;
         }
     }
     else if ( event.Dragging() &&
@@ -314,11 +325,19 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
     {
         if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) )
         {
-            SetCursor(*m_sashCursorWE);
+            if (m_currentCursor != m_sashCursorWE)
+            {
+                SetCursor(*m_sashCursorWE);
+            }
+            m_currentCursor = m_sashCursorWE;
         }
         else
         {
-            SetCursor(*m_sashCursorNS);
+            if (m_currentCursor != m_sashCursorNS)
+            {
+                SetCursor(*m_sashCursorNS);
+            }
+            m_currentCursor = m_sashCursorNS;
         }
 
         if (m_dragMode == wxSASH_DRAG_LEFT_DOWN)
@@ -469,11 +488,7 @@ void wxSashWindow::DrawSash(wxSashEdgePosition edge, wxDC& dc)
 
     if ( edge == wxSASH_LEFT || edge == wxSASH_RIGHT )
     {
-        int sashPosition = 0;
-        if (edge == wxSASH_LEFT)
-            sashPosition = 0;
-        else
-            sashPosition = w - GetEdgeMargin(edge);
+        int sashPosition = (edge == wxSASH_LEFT) ? 0 : ( w - GetEdgeMargin(edge) );
 
         dc.SetPen(facePen);
         dc.SetBrush(faceBrush);
@@ -499,11 +514,7 @@ void wxSashWindow::DrawSash(wxSashEdgePosition edge, wxDC& dc)
     }
     else // top or bottom
     {
-        int sashPosition = 0;
-        if (edge == wxSASH_TOP)
-            sashPosition = 0;
-        else
-            sashPosition = h - GetEdgeMargin(edge);
+        int sashPosition = (edge == wxSASH_TOP) ? 0 : ( h - GetEdgeMargin(edge) );
 
         dc.SetPen(facePen);
         dc.SetBrush(faceBrush);
@@ -598,9 +609,9 @@ void wxSashWindow::SizeWindows()
     int cw, ch;
     GetClientSize(&cw, &ch);
 
-    if (GetChildren().Number() == 1)
+    if (GetChildren().GetCount() == 1)
     {
-        wxWindow* child = (wxWindow*) (GetChildren().First()->Data());
+        wxWindow* child = GetChildren().GetFirst()->GetData();
 
         int x = 0;
         int y = 0;
@@ -639,7 +650,7 @@ void wxSashWindow::SizeWindows()
 
         child->SetSize(x, y, width, height);
     }
-    else if (GetChildren().Number() > 1)
+    else if (GetChildren().GetCount() > 1)
     {
         // Perhaps multiple children are themselves sash windows.
         // TODO: this doesn't really work because the subwindows sizes/positions
@@ -659,19 +670,11 @@ void wxSashWindow::SizeWindows()
 void wxSashWindow::InitColours()
 {
     // Shadow colours
-#ifndef __WIN16__
-    m_faceColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
-    m_mediumShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW);
-    m_darkShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW);
-    m_lightShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT);
-    m_hilightColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT);
-#else
-    m_faceColour = *(wxTheColourDatabase->FindColour("LIGHT GREY"));
-    m_mediumShadowColour = *(wxTheColourDatabase->FindColour("GREY"));
-    m_darkShadowColour = *(wxTheColourDatabase->FindColour("BLACK"));
-    m_lightShadowColour = *(wxTheColourDatabase->FindColour("LIGHT GREY"));
-    m_hilightColour = *(wxTheColourDatabase->FindColour("WHITE"));
-#endif
+    m_faceColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+    m_mediumShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
+    m_darkShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW);
+    m_lightShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
+    m_hilightColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT);
 }
 
 void wxSashWindow::SetSashVisible(wxSashEdgePosition edge, bool sash)
@@ -683,4 +686,23 @@ void wxSashWindow::SetSashVisible(wxSashEdgePosition edge, bool sash)
         m_sashes[edge].m_margin = 0;
 }
 
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+
+// this is currently called (and needed) under MSW only...
+void wxSashWindow::OnSetCursor(wxSetCursorEvent& event)
+{
+    // if we don't do it, the resizing cursor might be set for child window:
+    // and like this we explicitly say that our cursor should not be used for
+    // children windows which overlap us
+
+    if ( SashHitTest(event.GetX(), event.GetY()) != wxSASH_NONE)
+    {
+        // default processing is ok
+        event.Skip();
+    }
+    //else: do nothing, in particular, don't call Skip()
+}
+
+#endif // wxMSW
+
 #endif // wxUSE_SASH