Improved size handling.

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

diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp
index d39356302cad962f8f42fc7299190a1f4509ca3e..1dba3581bfdb7e155a6716d8d6bb0a2ebb691a11 100644 (file)
--- a/src/generic/splitter.cpp
+++ b/src/generic/splitter.cpp
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "splitter.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -27,6 +23,7 @@
     #include "wx/utils.h"
     #include "wx/log.h"
 
+    #include "wx/dcclient.h"
     #include "wx/dcscreen.h"
 
     #include "wx/window.h"
@@ -76,7 +73,7 @@ BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow)
     WX_EVENT_TABLE_CONTROL_CONTAINER(wxSplitterWindow)
 END_EVENT_TABLE()
 
-WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow);
+WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow)
 
 bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
                                    const wxPoint& pos,
@@ -94,6 +91,11 @@ 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 +124,7 @@ 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;
@@ -290,9 +293,9 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
                 m_windowOne = m_windowTwo;
                 m_windowTwo = (wxWindow *) NULL;
                 OnUnsplit(removedWindow);
-                wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
-                event.m_data.win = removedWindow;
-                (void)DoSendEvent(event);
+                wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+                eventUnsplit.m_data.win = removedWindow;
+                (void)DoSendEvent(eventUnsplit);
                 SetSashPositionAndNotify(0);
             }
             else if ( posSashNew == GetWindowSize() )
@@ -301,9 +304,9 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
                 wxWindow *removedWindow = m_windowTwo;
                 m_windowTwo = (wxWindow *) NULL;
                 OnUnsplit(removedWindow);
-                wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
-                event.m_data.win = removedWindow;
-                (void)DoSendEvent(event);
+                wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+                eventUnsplit.m_data.win = removedWindow;
+                (void)DoSendEvent(eventUnsplit);
                 SetSashPositionAndNotify(0);
             }
             else
@@ -382,7 +385,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
         }
         else
         {
-            SetSashPositionAndNotify(posSashNew);
+            DoSetSashPosition(posSashNew);
             m_needUpdating = true;
         }
     }
@@ -471,7 +474,7 @@ 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 +575,6 @@ int wxSplitterWindow::GetWindowSize() const
 
 int wxSplitterWindow::AdjustSashPosition(int sashPos) const
 {
-    int window_size = GetWindowSize();
-
     wxWindow *win;
 
     win = GetWindow1();
@@ -602,8 +603,8 @@ 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 +631,15 @@ 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 +700,8 @@ 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 +716,7 @@ 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;