delete children in ~wxWindow dtor and not in the base class ~wxWindowNative as it...

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

diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp
index 58ec6da0e3a5d11cbb7a7a0ff8f59146cceb5c1f..b8292304b187c3f3c564cf643d03544f4a06f0db 100644 (file)
--- a/src/generic/splitter.cpp
+++ b/src/generic/splitter.cpp
@@ -36,6 +36,10 @@
     #include "wx/settings.h"
 #endif
 
+#ifdef __WXMAC__
+    #include "wx/mac/private.h"
+#endif
+
 #include "wx/renderer.h"
 
 #include "wx/splitter.h"
@@ -50,12 +54,12 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_UNSPLIT)
 IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
 
 /*
-       TODO PROPERTIES
-               style wxSP_3D
-               sashpos (long , 0 )
-               minsize (long -1 )
-               object, object_ref
-               orientation
+    TODO PROPERTIES
+        style wxSP_3D
+        sashpos (long , 0 )
+        minsize (long -1 )
+        object, object_ref
+        orientation
 */
 
 IMPLEMENT_DYNAMIC_CLASS(wxSplitterEvent, wxNotifyEvent)
@@ -92,6 +96,10 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
 
     m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
 
+    // don't erase the splitter background, it's pointless as we overwrite it
+    // anyhow
+    SetBackgroundStyle(wxBG_STYLE_CUSTOM);
+
     return true;
 }
 
@@ -109,6 +117,8 @@ void wxSplitterWindow::Init()
     m_firstX = 0;
     m_firstY = 0;
     m_sashPosition = m_requestedSashPosition = 0;
+    m_sashGravity = 0.0;
+    m_lastSize = wxSize(0,0);
     m_checkRequestedSashPosition = false;
     m_minimumPaneSize = 0;
     m_sashCursorWE = wxCursor(wxCURSOR_SIZEWE);
@@ -183,7 +193,7 @@ void wxSplitterWindow::OnInternalIdle()
         SizeWindows();
         return; // it won't needUpdating in this case
     }
-    
+
     if (m_needUpdating)
         SizeWindows();
 }
@@ -200,15 +210,18 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
     // following the mouse movement while it drags the sash, without it we only
     // draw the sash at the new position but only resize the windows when the
     // dragging is finished
+#if defined( __WXMAC__ ) && TARGET_API_MAC_OSX == 1
+    bool isLive = true ;
+#else
     bool isLive = (GetWindowStyleFlag() & wxSP_LIVE_UPDATE) != 0;
-
+#endif
     if (event.LeftDown())
     {
         if ( SashHitTest(x, y) )
         {
             // Start the drag now
             m_dragMode = wxSPLIT_DRAG_DRAGGING;
-            
+
             // Capture mouse and set the cursor
             CaptureMouse();
             SetResizeCursor();
@@ -233,7 +246,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
     {
         // We can stop dragging now and see what we've got.
         m_dragMode = wxSPLIT_DRAG_NONE;
-        
+
         // Release mouse and unset the cursor
         ReleaseMouse();
         SetCursor(* wxSTANDARD_CURSOR);
@@ -397,6 +410,8 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
 
     if ( iconized )
     {
+        m_lastSize = wxSize(0,0);
+
         event.Skip();
 
         return;
@@ -408,13 +423,36 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event)
         GetClientSize(&w, &h);
 
         int size = m_splitMode == wxSPLIT_VERTICAL ? w : h;
+
+        int old_size = m_splitMode == wxSPLIT_VERTICAL ? m_lastSize.x : m_lastSize.y;
+        if ( old_size != 0 )
+        {
+            int delta = (int) ( (size - old_size)*m_sashGravity );
+            if ( delta != 0 )
+            {
+                int newPosition = m_sashPosition + delta;
+                if( newPosition < m_minimumPaneSize )
+                    newPosition = m_minimumPaneSize;
+                SetSashPositionAndNotify(newPosition);
+            }
+        }
+
         if ( m_sashPosition >= size - 5 )
             SetSashPositionAndNotify(wxMax(10, size - 40));
+        m_lastSize = wxSize(w,h);
     }
 
     SizeWindows();
 }
 
+void wxSplitterWindow::SetSashGravity(double gravity)
+{
+    wxCHECK_RET( gravity >= 0. && gravity <= 1.,
+                    _T("invalid gravity value") );
+
+    m_sashGravity = gravity;
+}
+
 bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
 {
     if ( m_windowTwo == NULL || m_sashPosition == 0)
@@ -423,7 +461,7 @@ bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
     int z = m_splitMode == wxSPLIT_VERTICAL ? x : y;
     int hitMin = m_sashPosition - tolerance;
     int hitMax = m_sashPosition + GetSashSize() + tolerance;
-    
+
     return z >=  hitMin && z <= hitMax;
 }
 
@@ -560,7 +598,7 @@ int wxSplitterWindow::AdjustSashPosition(int sashPos) const
         if ( minSize == -1 || m_minimumPaneSize > minSize )
             minSize = m_minimumPaneSize;
 
-        int maxSize = window_size - minSize - GetBorderSize();
+        int maxSize = window_size - minSize - GetBorderSize() - GetSashSize();
         if ( sashPos > maxSize )
             sashPos = maxSize;
     }
@@ -582,6 +620,12 @@ bool wxSplitterWindow::DoSetSashPosition(int sashPos)
 
 void wxSplitterWindow::SetSashPositionAndNotify(int sashPos)
 {
+    // we must reset the request here, otherwise the sash would be stuck at
+    // old position if the user attempted to move the sash after invalid
+    // (e.g. smaller than minsize) sash position was requested using
+    // SetSashPosition():
+    m_requestedSashPosition = INT_MAX;
+
     if ( DoSetSashPosition(sashPos) )
     {
         wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
@@ -694,7 +738,7 @@ bool wxSplitterWindow::DoSplit(wxSplitMode mode,
     // right now (e.g. because the window is too small)
     m_requestedSashPosition = sashPosition;
     m_checkRequestedSashPosition = false;
-    
+
     DoSetSashPosition(ConvertSashPosition(sashPosition));
 
     SizeWindows();
@@ -792,7 +836,7 @@ void wxSplitterWindow::SetSashPosition(int position, bool redraw)
     // right now (e.g. because the window is too small)
     m_requestedSashPosition = position;
     m_checkRequestedSashPosition = false;
-    
+
     DoSetSashPosition(ConvertSashPosition(position));
 
     if ( redraw )