correcting DropData behaviour so that preferred format is handled correctly

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

diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp
index 7c5d2354bdf3a0647d8976e7411a04b43e3117b6..0a2f061b724d701ac1c56a03f81555104ec48f74 100644 (file)
--- a/src/generic/splitter.cpp
+++ b/src/generic/splitter.cpp
@@ -94,6 +94,11 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
         return false;
 
+    if (size.x >= 0)
+        m_lastSize.x = size.x;
+    if (size.y >= 0)
+        m_lastSize.y = size.y;
+    
     m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
 
     // FIXME: with this line the background is not erased at all under GTK1,
@@ -122,6 +127,7 @@ void wxSplitterWindow::Init()
     m_firstY = 0;
     m_sashPosition = m_requestedSashPosition = 0;
     m_sashGravity = 0.0;
+    m_sashSize = -1; // -1 means use the native sash size
     m_lastSize = wxSize(0,0);
     m_checkRequestedSashPosition = false;
     m_minimumPaneSize = 0;
@@ -382,7 +388,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
         }
         else
         {
-            SetSashPositionAndNotify(posSashNew);
+            DoSetSashPosition(posSashNew);
             m_needUpdating = true;
         }
     }
@@ -471,7 +477,7 @@ bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
 
 int wxSplitterWindow::GetSashSize() const
 {
-    return wxRendererNative::Get().GetSplitterParams(this).widthSash;
+    return m_sashSize > -1 ? m_sashSize : wxRendererNative::Get().GetSplitterParams(this).widthSash;
 }
 
 int wxSplitterWindow::GetBorderSize() const
@@ -572,8 +578,6 @@ int wxSplitterWindow::GetWindowSize() const
 
 int wxSplitterWindow::AdjustSashPosition(int sashPos) const
 {
-    int window_size = GetWindowSize();
-
     wxWindow *win;
 
     win = GetWindow1();
@@ -602,8 +606,8 @@ int wxSplitterWindow::AdjustSashPosition(int sashPos) const
         if ( minSize == -1 || m_minimumPaneSize > minSize )
             minSize = m_minimumPaneSize;
 
-        int maxSize = window_size - minSize - GetBorderSize() - GetSashSize();
-        if ( sashPos > maxSize )
+        int maxSize = GetWindowSize() - minSize - GetBorderSize() - GetSashSize();
+        if ( maxSize > 0 && sashPos > maxSize )
             sashPos = maxSize;
     }
 
@@ -630,13 +634,15 @@ void wxSplitterWindow::SetSashPositionAndNotify(int sashPos)
     // SetSashPosition():
     m_requestedSashPosition = INT_MAX;
 
-    if ( DoSetSashPosition(sashPos) )
-    {
-        wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
-        event.m_data.pos = m_sashPosition;
+    // note that we must send the event in any case, i.e. even if the sash
+    // position hasn't changed and DoSetSashPosition() returns false because we
+    // must generate a CHANGED event at the end of resizing
+    DoSetSashPosition(sashPos);
 
-        (void)DoSendEvent(event);
-    }
+    wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
+    event.m_data.pos = m_sashPosition;
+
+    (void)DoSendEvent(event);
 }
 
 // Position and size subwindows.
@@ -697,8 +703,8 @@ void wxSplitterWindow::SizeWindows()
             y2 = size2;
         }
 
-        GetWindow1()->SetSize(border, border, w1, h1);
         GetWindow2()->SetSize(x2, y2, w2, h2);
+        GetWindow1()->SetSize(border, border, w1, h1);
     }
 
     wxClientDC dc(this);
@@ -713,7 +719,7 @@ void wxSplitterWindow::Initialize(wxWindow *window)
     wxASSERT_MSG( (!window || (window && window->GetParent() == this)),
                   _T("windows in the splitter should have it as parent!") );
 
-    if (! window->IsShown())
+    if (window && !window->IsShown())
         window->Show();
 
     m_windowOne = window;
@@ -877,9 +883,9 @@ wxSize wxSplitterWindow::DoGetBestSize() const
     // get best sizes of subwindows
     wxSize size1, size2;
     if ( m_windowOne )
-        size1 = m_windowOne->GetBestSize();
+        size1 = m_windowOne->GetAdjustedBestSize();
     if ( m_windowTwo )
-        size2 = m_windowTwo->GetBestSize();
+        size2 = m_windowTwo->GetAdjustedBestSize();
 
     // sum them
     //