]> git.saurik.com Git - wxWidgets.git/blobdiff - src/aui/framemanager.cpp
Restore code for closing inherited file descriptors in the child.
[wxWidgets.git] / src / aui / framemanager.cpp
index ca6ea2b3c9bb9a619c75103e18290f4274270de2..98234754636dd88c0dc33965070b8ffb75a4d3fb 100644 (file)
@@ -40,6 +40,7 @@
     #include "wx/dcscreen.h"
     #include "wx/toolbar.h"
     #include "wx/image.h"
     #include "wx/dcscreen.h"
     #include "wx/toolbar.h"
     #include "wx/image.h"
+    #include "wx/statusbr.h"
 #endif
 
 WX_CHECK_BUILD_OPTIONS("wxAUI")
 #endif
 
 WX_CHECK_BUILD_OPTIONS("wxAUI")
@@ -276,6 +277,16 @@ public:
         return true;
     }
 
         return true;
     }
 
+protected:
+    virtual void DoSetSizeHints( int minW, int minH,
+                                 int maxW, int maxH,
+                                 int incW, int incH)
+    {
+        // the real wxFrame method doesn't work for us because we're not really
+        // a top level window so skip it
+        wxWindow::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
+    }
+
 private:
     DECLARE_DYNAMIC_CLASS(wxPseudoTransparentFrame)
 };
 private:
     DECLARE_DYNAMIC_CLASS(wxPseudoTransparentFrame)
 };
@@ -558,135 +569,14 @@ static int PaneSortFunc(wxAuiPaneInfo** p1, wxAuiPaneInfo** p2)
 }
 
 
 }
 
 
-
-
-// this utility class implements a proportional sizer
-// as it existed in wxWidgets 2.8 and before.
-
-class wxAuiProportionalBoxSizer : public wxBoxSizer
+bool wxAuiPaneInfo::IsValid() const
 {
 {
-public:
-    wxAuiProportionalBoxSizer(int orientation) : wxBoxSizer(orientation) { }
-    
-    void RecalcSizes()
-    {
-        if (m_children.GetCount() == 0)
-            return;
-
-        int fixed_height = 0;
-        int fixed_width = 0;
-        int stretchable = 0;
-        wxSizerItemList::compatibility_iterator node;
-        
-        // find fixed width and height, as well
-        // as the total stretchable proportions
-        node = m_children.GetFirst();
-        while (node)
-        {
-            wxSizerItem *item = node->GetData();
-            
-            if (item->IsShown())
-            {
-                stretchable += item->GetProportion();
-                
-                wxSize size(item->GetMinSizeWithBorder());
-                if (item->GetProportion() == 0)
-                {
-                    if (m_orient == wxVERTICAL)
-                    {
-                        fixed_height += size.y;
-                        fixed_width = wxMax(fixed_width, size.x);
-                    }
-                     else
-                    {
-                        fixed_width += size.x;
-                        fixed_height = wxMax(fixed_height, size.y);
-                    }
-                }
-            }
-            
-            node = node->GetNext();
-        }
-
-
-        // delta specifies the total amount to be allocated to stretch spaces
-        int delta = 0;
-        if (stretchable)
-        {
-            if (m_orient == wxHORIZONTAL)
-                delta = m_size.x - fixed_width;
-                 else
-                delta = m_size.y - fixed_height;
-        }
-
-        // go through each item and assign sizes
-        wxPoint pt(m_position);
-        node = m_children.GetFirst();
-        while (node)
-        {
-            wxSizerItem* item = node->GetData();
-
-            if (item->IsShown())
-            {
-                wxSize size(item->GetMinSizeWithBorder());
-
-                if (m_orient == wxVERTICAL)
-                {
-                    wxCoord height = size.y;
-                    if (item->GetProportion())
-                    {
-                        height = (delta * item->GetProportion()) / stretchable;
-                        delta -= height;
-                        stretchable -= item->GetProportion();
-                    }
-
-                    wxPoint child_pos(pt);
-                    wxSize child_size(size.x, height);
-
-                    if (item->GetFlag() & (wxEXPAND | wxSHAPED))
-                        child_size.x = m_size.x;
-                    else if (item->GetFlag() & wxALIGN_RIGHT)
-                        child_pos.x += m_size.x - size.x;
-                    else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL))
-                        child_pos.x += (m_size.x - size.x) / 2;
-
-                    item->SetDimension(child_pos, child_size);
-
-                    pt.y += height;
-                }
-                 else
-                {
-                    wxCoord width = size.x;
-                    if (item->GetProportion())
-                    {
-                        width = (delta * item->GetProportion()) / stretchable;
-                        delta -= width;
-                        stretchable -= item->GetProportion();
-                    }
-
-                    wxPoint child_pos(pt);
-                    wxSize child_size(width, size.y);
-
-                    if (item->GetFlag() & (wxEXPAND | wxSHAPED))
-                        child_size.y = m_size.y;
-                    else if (item->GetFlag() & wxALIGN_BOTTOM)
-                        child_pos.y += m_size.y - size.y;
-                    else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL))
-                        child_pos.y += (m_size.y - size.y) / 2;
-
-                    item->SetDimension(child_pos, child_size);
-                    
-                    pt.x += width;
-                }
-            }
-
-            node = node->GetNext();
-        }
-    }
-};
-
-
-
+    // Should this RTTI and function call be rewritten as
+    // sending a new event type to allow other window types
+    // to check the pane settings?
+    wxAuiToolBar* toolbar = wxDynamicCast(window, wxAuiToolBar);
+    return !toolbar || toolbar->IsPaneValid(*this);
+}
 
 // -- wxAuiManager class implementation --
 
 
 // -- wxAuiManager class implementation --
 
@@ -705,7 +595,6 @@ BEGIN_EVENT_TABLE(wxAuiManager, wxEvtHandler)
     EVT_MOUSE_CAPTURE_LOST(wxAuiManager::OnCaptureLost)
     EVT_CHILD_FOCUS(wxAuiManager::OnChildFocus)
     EVT_AUI_FIND_MANAGER(wxAuiManager::OnFindManager)
     EVT_MOUSE_CAPTURE_LOST(wxAuiManager::OnCaptureLost)
     EVT_CHILD_FOCUS(wxAuiManager::OnChildFocus)
     EVT_AUI_FIND_MANAGER(wxAuiManager::OnFindManager)
-    EVT_TIMER(101, wxAuiManager::OnHintFadeTimer)
 END_EVENT_TABLE()
 
 
 END_EVENT_TABLE()
 
 
@@ -873,6 +762,7 @@ bool wxAuiManager_HasLiveResize(wxAuiManager& manager)
     // With Core Graphics on Mac, it's not possible to show sash feedback,
     // so we'll always use live update instead.
 #if defined(__WXMAC__)
     // With Core Graphics on Mac, it's not possible to show sash feedback,
     // so we'll always use live update instead.
 #if defined(__WXMAC__)
+    wxUnusedVar(manager);
     return true;
 #else
     return (manager.GetFlags() & wxAUI_MGR_LIVE_RESIZE) == wxAUI_MGR_LIVE_RESIZE;
     return true;
 #else
     return (manager.GetFlags() & wxAUI_MGR_LIVE_RESIZE) == wxAUI_MGR_LIVE_RESIZE;
@@ -1110,7 +1000,40 @@ bool wxAuiManager::AddPane(wxWindow* window, const wxAuiPaneInfo& pane_info)
     if (pane_info.IsDocked())
         RestoreMaximizedPane();
 
     if (pane_info.IsDocked())
         RestoreMaximizedPane();
 
-    m_panes.Add(pane_info);
+    // special case:  wxAuiToolBar style interacts with docking flags
+    wxAuiPaneInfo test(pane_info);
+    wxAuiToolBar* toolbar = wxDynamicCast(window, wxAuiToolBar);
+    if (toolbar)
+    {
+        // if pane has default docking flags
+        const unsigned int dockMask = wxAuiPaneInfo::optionLeftDockable |
+                                        wxAuiPaneInfo::optionRightDockable |
+                                        wxAuiPaneInfo::optionTopDockable |
+                                        wxAuiPaneInfo::optionBottomDockable;
+        const unsigned int defaultDock = wxAuiPaneInfo().
+                                            DefaultPane().state & dockMask;
+        if ((test.state & dockMask) == defaultDock)
+        {
+            // set docking flags based on toolbar style
+            if (toolbar->GetWindowStyleFlag() & wxAUI_TB_VERTICAL)
+            {
+                test.TopDockable(false).BottomDockable(false);
+            }
+            else if (toolbar->GetWindowStyleFlag() & wxAUI_TB_HORIZONTAL)
+            {
+                test.LeftDockable(false).RightDockable(false);
+            }
+        }
+        else
+        {
+            // see whether non-default docking flags are valid
+            test.window = window;
+            wxCHECK_MSG(test.IsValid(), false,
+                        "toolbar style and pane docking flags are incompatible");
+        }
+    }
+
+    m_panes.Add(test);
 
     wxAuiPaneInfo& pinfo = m_panes.Last();
 
 
     wxAuiPaneInfo& pinfo = m_panes.Last();
 
@@ -1122,7 +1045,7 @@ bool wxAuiManager::AddPane(wxWindow* window, const wxAuiPaneInfo& pane_info)
     if (pinfo.name.empty() || already_exists)
     {
         pinfo.name.Printf(wxT("%08lx%08x%08x%08lx"),
     if (pinfo.name.empty() || already_exists)
     {
         pinfo.name.Printf(wxT("%08lx%08x%08x%08lx"),
-             wxPtrToUInt(pinfo.window) & 0xffffffff,
+             (unsigned long)(wxPtrToUInt(pinfo.window) & 0xffffffff),
              (unsigned int)time(NULL),
 #ifdef __WXWINCE__
              (unsigned int)GetTickCount(),
              (unsigned int)time(NULL),
 #ifdef __WXWINCE__
              (unsigned int)GetTickCount(),
@@ -1178,21 +1101,15 @@ bool wxAuiManager::AddPane(wxWindow* window, const wxAuiPaneInfo& pane_info)
     {
         pinfo.best_size = pinfo.window->GetClientSize();
 
     {
         pinfo.best_size = pinfo.window->GetClientSize();
 
+#if wxUSE_TOOLBAR
         if (pinfo.window->IsKindOf(CLASSINFO(wxToolBar)))
         {
             // GetClientSize() doesn't get the best size for
             // a toolbar under some newer versions of wxWidgets,
             // so use GetBestSize()
             pinfo.best_size = pinfo.window->GetBestSize();
         if (pinfo.window->IsKindOf(CLASSINFO(wxToolBar)))
         {
             // GetClientSize() doesn't get the best size for
             // a toolbar under some newer versions of wxWidgets,
             // so use GetBestSize()
             pinfo.best_size = pinfo.window->GetBestSize();
-
-            // for some reason, wxToolBar::GetBestSize() is returning
-            // a size that is a pixel shy of the correct amount.
-            // I believe this to be the correct action, until
-            // wxToolBar::GetBestSize() is fixed.  Is this assumption
-            // correct?
-            // commented out by JACS 2007-9-08 after having added a pixel in wxMSW's wxToolBar::DoGetBestSize()
-            // pinfo.best_size.y++;
         }
         }
+#endif // wxUSE_TOOLBAR
 
         if (pinfo.min_size != wxDefaultSize)
         {
 
         if (pinfo.min_size != wxDefaultSize)
         {
@@ -1653,10 +1570,15 @@ bool wxAuiManager::LoadPerspective(const wxString& layout, bool update)
     if (part != wxT("layout2"))
         return false;
 
     if (part != wxT("layout2"))
         return false;
 
-    // mark all panes currently managed as docked and hidden
+    // Mark all panes currently managed as hidden. Also, dock all panes that are dockable.
     int pane_i, pane_count = m_panes.GetCount();
     for (pane_i = 0; pane_i < pane_count; ++pane_i)
     int pane_i, pane_count = m_panes.GetCount();
     for (pane_i = 0; pane_i < pane_count; ++pane_i)
-        m_panes.Item(pane_i).Dock().Hide();
+    {
+        wxAuiPaneInfo& p = m_panes.Item(pane_i);
+        if(p.IsDockable())
+            p.Dock();
+        p.Hide();
+    }
 
     // clear out the dock array; this will be reconstructed
     m_docks.Clear();
 
     // clear out the dock array; this will be reconstructed
     m_docks.Clear();
@@ -2014,7 +1936,7 @@ void wxAuiManager::LayoutAddDock(wxSizer* cont,
     }
 
     // create the sizer for the dock
     }
 
     // create the sizer for the dock
-    wxSizer* dock_sizer = new wxAuiProportionalBoxSizer(orientation);
+    wxSizer* dock_sizer = new wxBoxSizer(orientation);
 
     // add each pane to the dock
     bool has_maximized_pane = false;
 
     // add each pane to the dock
     bool has_maximized_pane = false;
@@ -2662,6 +2584,17 @@ void wxAuiManager::Update()
                 */
                 }
 
                 */
                 }
 
+                // update whether the pane is resizable or not
+                long style = p.frame->GetWindowStyleFlag();
+                if (p.IsFixed())
+                    style &= ~wxRESIZE_BORDER;
+                else
+                    style |= wxRESIZE_BORDER;
+                p.frame->SetWindowStyleFlag(style);
+
+                if (p.frame->GetLabel() != p.caption)
+                    p.frame->SetLabel(p.caption);
+
                 if (p.frame->IsShown() != p.IsShown())
                     p.frame->Show(p.IsShown());
             }
                 if (p.frame->IsShown() != p.IsShown())
                     p.frame->Show(p.IsShown());
             }
@@ -2896,7 +2829,22 @@ bool wxAuiManager::ProcessDockResult(wxAuiPaneInfo& target,
     }
 
     if (allowed)
     }
 
     if (allowed)
+    {
         target = new_pos;
         target = new_pos;
+        // Should this RTTI and function call be rewritten as
+        // sending a new event type to allow other window types
+        // to vary size based on dock location?
+        wxAuiToolBar* toolbar = wxDynamicCast(target.window, wxAuiToolBar);
+        if (toolbar)
+        {
+            wxSize hintSize = toolbar->GetHintSize(target.dock_direction);
+            if (target.best_size != hintSize)
+            {
+                target.best_size = hintSize;
+                target.floating_size = wxDefaultSize;
+            }
+        }
+    }
 
     return allowed;
 }
 
     return allowed;
 }
@@ -3025,7 +2973,8 @@ bool wxAuiManager::DoDrop(wxAuiDockInfoArray& docks,
         // toolbars may only be moved in and to fixed-pane docks,
         // otherwise we will try to float the pane.  Also, the pane
         // should float if being dragged over center pane windows
         // toolbars may only be moved in and to fixed-pane docks,
         // otherwise we will try to float the pane.  Also, the pane
         // should float if being dragged over center pane windows
-        if (!part->dock->fixed || part->dock->dock_direction == wxAUI_DOCK_CENTER)
+        if (!part->dock->fixed || part->dock->dock_direction == wxAUI_DOCK_CENTER ||
+            pt.x >= cli_size.x || pt.x <= 0 || pt.y >= cli_size.y || pt.y <= 0)
         {
             if (m_last_rect.IsEmpty() || m_last_rect.Contains(pt.x, pt.y ))
             {
         {
             if (m_last_rect.IsEmpty() || m_last_rect.Contains(pt.x, pt.y ))
             {
@@ -3033,13 +2982,9 @@ bool wxAuiManager::DoDrop(wxAuiDockInfoArray& docks,
             }
             else
             {
             }
             else
             {
-                if ((m_flags & wxAUI_MGR_ALLOW_FLOATING) &&
-                   (drop.IsFloatable() ||
-                    (part->dock->dock_direction != wxAUI_DOCK_CENTER &&
-                     part->dock->dock_direction != wxAUI_DOCK_NONE)))
+                if ((m_flags & wxAUI_MGR_ALLOW_FLOATING) && drop.IsFloatable())
                 {
                 {
-                    if (drop.IsFloatable())
-                        drop.Float();
+                    drop.Float();
                 }
 
                 m_skipping = false;
                 }
 
                 m_skipping = false;
@@ -3320,6 +3265,8 @@ void wxAuiManager::OnHintFadeTimer(wxTimerEvent& WXUNUSED(event))
     if (!m_hint_wnd || m_hint_fadeamt >= m_hint_fademax)
     {
         m_hint_fadetimer.Stop();
     if (!m_hint_wnd || m_hint_fadeamt >= m_hint_fademax)
     {
         m_hint_fadetimer.Stop();
+        Disconnect(m_hint_fadetimer.GetId(), wxEVT_TIMER,
+                   wxTimerEventHandler(wxAuiManager::OnHintFadeTimer));
         return;
     }
 
         return;
     }
 
@@ -3361,8 +3308,10 @@ void wxAuiManager::ShowHint(const wxRect& rect)
         if (m_hint_fadeamt != m_hint_fademax) //  Only fade if we need to
         {
             // start fade in timer
         if (m_hint_fadeamt != m_hint_fademax) //  Only fade if we need to
         {
             // start fade in timer
-            m_hint_fadetimer.SetOwner(this, 101);
+            m_hint_fadetimer.SetOwner(this);
             m_hint_fadetimer.Start(5);
             m_hint_fadetimer.Start(5);
+            Connect(m_hint_fadetimer.GetId(), wxEVT_TIMER,
+                    wxTimerEventHandler(wxAuiManager::OnHintFadeTimer));
         }
     }
     else  // Not using a transparent hint window...
         }
     }
     else  // Not using a transparent hint window...
@@ -3430,6 +3379,10 @@ void wxAuiManager::HideHint()
             m_hint_wnd->Show(false);
         m_hint_wnd->SetTransparent(0);
         m_hint_fadetimer.Stop();
             m_hint_wnd->Show(false);
         m_hint_wnd->SetTransparent(0);
         m_hint_fadetimer.Stop();
+        // In case this is called while a hint fade is going, we need to
+        // disconnect the event handler.
+        Disconnect(m_hint_fadetimer.GetId(), wxEVT_TIMER,
+                   wxTimerEventHandler(wxAuiManager::OnHintFadeTimer));
         m_last_hint = wxRect();
         return;
     }
         m_last_hint = wxRect();
         return;
     }
@@ -3596,6 +3549,9 @@ void wxAuiManager::OnFloatingPaneMoveStart(wxWindow* wnd)
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
+    if(!pane.frame)
+        return;
+
     if (m_flags & wxAUI_MGR_TRANSPARENT_DRAG)
         pane.frame->SetTransparent(150);
 }
     if (m_flags & wxAUI_MGR_TRANSPARENT_DRAG)
         pane.frame->SetTransparent(150);
 }
@@ -3606,6 +3562,9 @@ void wxAuiManager::OnFloatingPaneMoving(wxWindow* wnd, wxDirection dir)
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
+    if(!pane.frame)
+        return;
+
     wxPoint pt = ::wxGetMousePosition();
 
 #if 0
     wxPoint pt = ::wxGetMousePosition();
 
 #if 0
@@ -3706,6 +3665,9 @@ void wxAuiManager::OnFloatingPaneMoved(wxWindow* wnd, wxDirection dir)
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
+    if(!pane.frame)
+        return;
+
     wxPoint pt = ::wxGetMousePosition();
 
 #if 0
     wxPoint pt = ::wxGetMousePosition();
 
 #if 0
@@ -3778,13 +3740,16 @@ void wxAuiManager::OnFloatingPaneMoved(wxWindow* wnd, wxDirection dir)
     HideHint();
 }
 
     HideHint();
 }
 
-void wxAuiManager::OnFloatingPaneResized(wxWindow* wnd, const wxSize& size)
+void wxAuiManager::OnFloatingPaneResized(wxWindow* wnd, const wxRect& rect)
 {
     // try to find the pane
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
 {
     // try to find the pane
     wxAuiPaneInfo& pane = GetPane(wnd);
     wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
 
-    pane.floating_size = size;
+    pane.FloatingSize(rect.GetWidth(), rect.GetHeight());
+
+    // the top-left position may change as well as the size
+    pane.FloatingPosition(rect.x, rect.y);
 }
 
 
 }
 
 
@@ -4176,26 +4141,84 @@ bool wxAuiManager::DoEndResizeAction(wxMouseEvent& event)
     // resize the dock or the pane
     if (m_action_part && m_action_part->type==wxAuiDockUIPart::typeDockSizer)
     {
     // resize the dock or the pane
     if (m_action_part && m_action_part->type==wxAuiDockUIPart::typeDockSizer)
     {
+        // first, we must calculate the maximum size the dock may be
+        int sash_size = m_art->GetMetric(wxAUI_DOCKART_SASH_SIZE);
+
+        int used_width = 0, used_height = 0;
+
+        wxSize client_size = m_frame->GetClientSize();
+
+        size_t dock_i, dock_count = m_docks.GetCount();
+        for (dock_i = 0; dock_i < dock_count; ++dock_i)
+        {
+            wxAuiDockInfo& dock = m_docks.Item(dock_i);
+            if (dock.dock_direction == wxAUI_DOCK_TOP ||
+                dock.dock_direction == wxAUI_DOCK_BOTTOM)
+            {
+                used_height += dock.size;
+            }
+            if (dock.dock_direction == wxAUI_DOCK_LEFT ||
+                dock.dock_direction == wxAUI_DOCK_RIGHT)
+            {
+                used_width += dock.size;
+            }
+            if (dock.resizable)
+                used_width += sash_size;
+        }
+
+
+        int available_width = client_size.GetWidth() - used_width;
+        int available_height = client_size.GetHeight() - used_height;
+
+
+#if wxUSE_STATUSBAR
+        // if there's a status control, the available
+        // height decreases accordingly
+        if (m_frame && m_frame->IsKindOf(CLASSINFO(wxFrame)))
+        {
+            wxFrame* frame = static_cast<wxFrame*>(m_frame);
+            wxStatusBar* status = frame->GetStatusBar();
+            if (status)
+            {
+                wxSize status_client_size = status->GetClientSize();
+                available_height -= status_client_size.GetHeight();
+            }
+        }
+#endif
+
         wxRect& rect = m_action_part->dock->rect;
 
         wxPoint new_pos(event.m_x - m_action_offset.x,
             event.m_y - m_action_offset.y);
         wxRect& rect = m_action_part->dock->rect;
 
         wxPoint new_pos(event.m_x - m_action_offset.x,
             event.m_y - m_action_offset.y);
+        int new_size, old_size = m_action_part->dock->size;
 
         switch (m_action_part->dock->dock_direction)
         {
         case wxAUI_DOCK_LEFT:
 
         switch (m_action_part->dock->dock_direction)
         {
         case wxAUI_DOCK_LEFT:
-            m_action_part->dock->size = new_pos.x - rect.x;
+            new_size = new_pos.x - rect.x;
+            if (new_size-old_size > available_width)
+                new_size = old_size+available_width;
+            m_action_part->dock->size = new_size;
             break;
         case wxAUI_DOCK_TOP:
             break;
         case wxAUI_DOCK_TOP:
-            m_action_part->dock->size = new_pos.y - rect.y;
+            new_size = new_pos.y - rect.y;
+            if (new_size-old_size > available_height)
+                new_size = old_size+available_height;
+            m_action_part->dock->size = new_size;
             break;
         case wxAUI_DOCK_RIGHT:
             break;
         case wxAUI_DOCK_RIGHT:
-            m_action_part->dock->size = rect.x + rect.width -
-                new_pos.x - m_action_part->rect.GetWidth();
+            new_size = rect.x + rect.width - new_pos.x -
+                       m_action_part->rect.GetWidth();
+            if (new_size-old_size > available_width)
+                new_size = old_size+available_width;
+            m_action_part->dock->size = new_size;
             break;
         case wxAUI_DOCK_BOTTOM:
             break;
         case wxAUI_DOCK_BOTTOM:
-            m_action_part->dock->size = rect.y + rect.height -
+            new_size = rect.y + rect.height -
                 new_pos.y - m_action_part->rect.GetHeight();
                 new_pos.y - m_action_part->rect.GetHeight();
+            if (new_size-old_size > available_height)
+                new_size = old_size+available_height;
+            m_action_part->dock->size = new_size;
             break;
         }
 
             break;
         }
 
@@ -4301,7 +4324,7 @@ bool wxAuiManager::DoEndResizeAction(wxMouseEvent& event)
             m_action = actionNone;
             return false;
         }
             m_action = actionNone;
             return false;
         }
-        
+
         // calculate the new proportion of the pane
         int new_proportion = (new_pixsize*total_proportion)/dock_pixels;
 
         // calculate the new proportion of the pane
         int new_proportion = (new_pixsize*total_proportion)/dock_pixels;
 
@@ -4364,7 +4387,7 @@ bool wxAuiManager::DoEndResizeAction(wxMouseEvent& event)
             prop_borrow -= prop_diff;
         }
 
             prop_borrow -= prop_diff;
         }
 
-        
+
         dock.panes.Item(borrow_pane)->dock_proportion = prop_borrow;
         pane.dock_proportion = new_proportion;
 
         dock.panes.Item(borrow_pane)->dock_proportion = prop_borrow;
         pane.dock_proportion = new_proportion;
 
@@ -4511,7 +4534,7 @@ void wxAuiManager::OnMotion(wxMouseEvent& event)
                     DrawResizeHint(dc, m_action_hintrect);
                     m_action_hintrect = wxRect();
                 }
                     DrawResizeHint(dc, m_action_hintrect);
                     m_action_hintrect = wxRect();
                 }
-                
+
                 // draw new resize hint, if it's inside the managed frame
                 wxRect frame_screen_rect = m_frame->GetScreenRect();
                 if (frame_screen_rect.Contains(rect))
                 // draw new resize hint, if it's inside the managed frame
                 wxRect frame_screen_rect = m_frame->GetScreenRect();
                 if (frame_screen_rect.Contains(rect))