Initial work on virtual file system support for the WebKitGTK+ backend. It now suppor...

[wxWidgets.git] / include / wx / window.h

diff --git a/include/wx/window.h b/include/wx/window.h
index 852c4c3b5916ac697ba9053cc8383a302b88fa26..07f1f084bbfaf9d60159c1b5b5ff9562e28205b1 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -71,9 +71,7 @@ class WXDLLIMPEXP_FWD_CORE wxControl;
 class WXDLLIMPEXP_FWD_CORE wxCursor;
 class WXDLLIMPEXP_FWD_CORE wxDC;
 class WXDLLIMPEXP_FWD_CORE wxDropTarget;
 class WXDLLIMPEXP_FWD_CORE wxCursor;
 class WXDLLIMPEXP_FWD_CORE wxDC;
 class WXDLLIMPEXP_FWD_CORE wxDropTarget;

-class WXDLLIMPEXP_FWD_CORE wxItemResource;

 class WXDLLIMPEXP_FWD_CORE wxLayoutConstraints;
 class WXDLLIMPEXP_FWD_CORE wxLayoutConstraints;

-class WXDLLIMPEXP_FWD_CORE wxResourceTable;

 class WXDLLIMPEXP_FWD_CORE wxSizer;
 class WXDLLIMPEXP_FWD_CORE wxToolTip;
 class WXDLLIMPEXP_FWD_CORE wxWindowBase;
 class WXDLLIMPEXP_FWD_CORE wxSizer;
 class WXDLLIMPEXP_FWD_CORE wxToolTip;
 class WXDLLIMPEXP_FWD_CORE wxWindowBase;


@@ -89,7 +87,7 @@ class WXDLLIMPEXP_FWD_CORE wxAccessible;
 // ----------------------------------------------------------------------------
 
 // struct containing all the visual attributes of a control
 // ----------------------------------------------------------------------------
 
 // struct containing all the visual attributes of a control

-struct WXDLLEXPORT wxVisualAttributes
+struct WXDLLIMPEXP_CORE wxVisualAttributes

 {
     // the font used for control label/text inside it
     wxFont font;
 {
     // the font used for control label/text inside it
     wxFont font;


@@ -120,25 +118,40 @@ enum wxWindowVariant
 // valid values for Show/HideWithEffect()
 enum wxShowEffect
 {
 // valid values for Show/HideWithEffect()
 enum wxShowEffect
 {

-    wxSHOW_EFFECT_ROLL,
-    wxSHOW_EFFECT_SLIDE,
+    wxSHOW_EFFECT_NONE,
+    wxSHOW_EFFECT_ROLL_TO_LEFT,
+    wxSHOW_EFFECT_ROLL_TO_RIGHT,
+    wxSHOW_EFFECT_ROLL_TO_TOP,
+    wxSHOW_EFFECT_ROLL_TO_BOTTOM,
+    wxSHOW_EFFECT_SLIDE_TO_LEFT,
+    wxSHOW_EFFECT_SLIDE_TO_RIGHT,
+    wxSHOW_EFFECT_SLIDE_TO_TOP,
+    wxSHOW_EFFECT_SLIDE_TO_BOTTOM,

     wxSHOW_EFFECT_BLEND,
     wxSHOW_EFFECT_EXPAND,
     wxSHOW_EFFECT_MAX
 };
 
     wxSHOW_EFFECT_BLEND,
     wxSHOW_EFFECT_EXPAND,
     wxSHOW_EFFECT_MAX
 };
 

+// flags for SendSizeEvent()
+enum
+{
+    wxSEND_EVENT_POST = 1
+};
+

 // ----------------------------------------------------------------------------
 // (pseudo)template list classes
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // (pseudo)template list classes
 // ----------------------------------------------------------------------------
 

-WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT);
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLIMPEXP_CORE);

 
 // ----------------------------------------------------------------------------
 // global variables
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // global variables
 // ----------------------------------------------------------------------------
 

-extern WXDLLEXPORT_DATA(wxWindowList) wxTopLevelWindows;
-extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
+extern WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
+// declared here for compatibility only, main declaration is in wx/app.h
+extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;

 
 // ----------------------------------------------------------------------------
 // wxWindowBase is the base class for all GUI controls/widgets, this is the public
 
 // ----------------------------------------------------------------------------
 // wxWindowBase is the base class for all GUI controls/widgets, this is the public


@@ -151,7 +164,7 @@ extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
 // temporarily switches event handlers).
 // ----------------------------------------------------------------------------
 
 // temporarily switches event handlers).
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxWindowBase : public wxEvtHandler
+class WXDLLIMPEXP_CORE wxWindowBase : public wxEvtHandler

 {
 public:
     // creating the window
 {
 public:
     // creating the window


@@ -161,15 +174,6 @@ public:
         // Create()
     wxWindowBase() ;
 
         // Create()
     wxWindowBase() ;
 

-        // pseudo ctor (can't be virtual, called from ctor)
-    bool CreateBase(wxWindowBase *parent,
-                    wxWindowID winid,
-                    const wxPoint& pos = wxDefaultPosition,
-                    const wxSize& size = wxDefaultSize,
-                    long style = 0,
-                    const wxValidator& validator = wxDefaultValidator,
-                    const wxString& name = wxPanelNameStr);
-

     virtual ~wxWindowBase();
 
     // deleting the window
     virtual ~wxWindowBase();
 
     // deleting the window


@@ -189,7 +193,7 @@ public:
     bool DestroyChildren();
 
         // is the window being deleted?
     bool DestroyChildren();
 
         // is the window being deleted?

-    bool IsBeingDeleted() const { return m_isBeingDeleted; }
+    bool IsBeingDeleted() const;

 
     // window attributes
     // -----------------
 
     // window attributes
     // -----------------


@@ -230,17 +234,21 @@ public:
     void SetId( wxWindowID winid ) { m_windowId = winid; }
     wxWindowID GetId() const { return m_windowId; }
 
     void SetId( wxWindowID winid ) { m_windowId = winid; }
     wxWindowID GetId() const { return m_windowId; }
 

-        // returns true if this id value belong to the range reserved for the
-        // auto-generated (by NewControlId()) ids (they're always negative)
-    static bool IsAutoGeneratedId(wxWindowID id);
-

         // generate a unique id (or count of them consecutively), returns a
         // generate a unique id (or count of them consecutively), returns a

-        // valid id in IsAutoGeneratedId() range or wxID_NONE if failed
-    static wxWindowID NewControlId(int count = 1);
+        // valid id in the auto-id range or wxID_NONE if failed.  If using
+        // autoid management, it will mark the id as reserved until it is
+        // used (by assigning it to a wxWindowIDRef) or unreserved.
+    static wxWindowID NewControlId(int count = 1)
+    {
+        return wxIdManager::ReserveId(count);
+    }

 
 

-        // mark an id previously returned by NewControlId() as being unused any
-        // more so that it can be reused again for another control later
-    static void ReleaseControlId(wxWindowID id);
+        // If an ID generated from NewControlId is not assigned to a wxWindowIDRef,
+        // it must be unreserved
+    static void UnreserveControlId(wxWindowID id, int count = 1)
+    {
+        wxIdManager::UnreserveId(id, count);
+    }

 
 
     // moving/resizing
 
 
     // moving/resizing


@@ -353,15 +361,15 @@ public:
         return wxRect(GetClientAreaOrigin(), GetClientSize());
     }
 
         return wxRect(GetClientAreaOrigin(), GetClientSize());
     }
 

+    // client<->window size conversion
+    virtual wxSize ClientToWindowSize(const wxSize& size) const;
+    virtual wxSize WindowToClientSize(const wxSize& size) const;
+

         // get the size best suited for the window (in fact, minimal
         // acceptable size using which it will still look "nice" in
         // most situations)
         // get the size best suited for the window (in fact, minimal
         // acceptable size using which it will still look "nice" in
         // most situations)

-    wxSize GetBestSize() const
-    {
-        if (m_bestSizeCache.IsFullySpecified())
-            return m_bestSizeCache;
-        return DoGetBestSize();
-    }
+    wxSize GetBestSize() const;
+

     void GetBestSize(int *w, int *h) const
     {
         wxSize s = GetBestSize();
     void GetBestSize(int *w, int *h) const
     {
         wxSize s = GetBestSize();


@@ -384,7 +392,7 @@ public:
         // This function will merge the window's best size into the window's
         // minimum size, giving priority to the min size components, and
         // returns the results.
         // This function will merge the window's best size into the window's
         // minimum size, giving priority to the min size components, and
         // returns the results.

-    wxSize GetEffectiveMinSize() const;
+    virtual wxSize GetEffectiveMinSize() const;

     wxDEPRECATED( wxSize GetBestFittingSize() const );  // replaced by GetEffectiveMinSize
     wxDEPRECATED( wxSize GetAdjustedMinSize() const );  // replaced by GetEffectiveMinSize
 
     wxDEPRECATED( wxSize GetBestFittingSize() const );  // replaced by GetEffectiveMinSize
     wxDEPRECATED( wxSize GetAdjustedMinSize() const );  // replaced by GetEffectiveMinSize
 


@@ -400,7 +408,7 @@ public:
     void Centre(int dir = wxBOTH) { DoCentre(dir); }
     void Center(int dir = wxBOTH) { DoCentre(dir); }
 
     void Centre(int dir = wxBOTH) { DoCentre(dir); }
     void Center(int dir = wxBOTH) { DoCentre(dir); }
 

-        // centre with respect to the the parent window
+        // centre with respect to the parent window

     void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); }
     void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
 
     void CentreOnParent(int dir = wxBOTH) { DoCentre(dir); }
     void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
 


@@ -427,23 +435,27 @@ public:
                        const wxSize& incSize=wxDefaultSize)
     { DoSetSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y, incSize.x, incSize.y); }
 
                        const wxSize& incSize=wxDefaultSize)
     { DoSetSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y, incSize.x, incSize.y); }
 

-        // Methods for setting virtual size hints
-        // FIXME: What are virtual size hints?

 
 

-    virtual void SetVirtualSizeHints( int minW, int minH,
-                                      int maxW = wxDefaultCoord, int maxH = wxDefaultCoord );
-    void SetVirtualSizeHints( const wxSize& minSize,
-                              const wxSize& maxSize=wxDefaultSize)
-    {
-        SetVirtualSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y);
-    }
+#if WXWIN_COMPATIBILITY_2_8
+    // these are useless and do nothing since wxWidgets 2.9
+    wxDEPRECATED( virtual void SetVirtualSizeHints( int minW, int minH,
+                                      int maxW = wxDefaultCoord, int maxH = wxDefaultCoord ) );
+    wxDEPRECATED( void SetVirtualSizeHints( const wxSize& minSize,
+                                            const wxSize& maxSize=wxDefaultSize) );
+#endif // WXWIN_COMPATIBILITY_2_8

 
 
         // Call these to override what GetBestSize() returns. This
 
 
         // Call these to override what GetBestSize() returns. This

-        // method is only virtual because it is overriden in wxTLW
+        // method is only virtual because it is overridden in wxTLW

         // as a different API for SetSizeHints().
         // as a different API for SetSizeHints().

-    virtual void SetMinSize(const wxSize& minSize) { m_minWidth = minSize.x; m_minHeight = minSize.y; }
-    virtual void SetMaxSize(const wxSize& maxSize) { m_maxWidth = maxSize.x; m_maxHeight = maxSize.y; }
+    virtual void SetMinSize(const wxSize& minSize);
+    virtual void SetMaxSize(const wxSize& maxSize);
+
+        // Like Set*Size, but for client, not window, size
+    virtual void SetMinClientSize(const wxSize& size)
+        { SetMinSize(ClientToWindowSize(size)); }
+    virtual void SetMaxClientSize(const wxSize& size)
+        { SetMaxSize(ClientToWindowSize(size)); }

 
         // Override these methods to impose restrictions on min/max size.
         // The easier way is to call SetMinSize() and SetMaxSize() which
 
         // Override these methods to impose restrictions on min/max size.
         // The easier way is to call SetMinSize() and SetMaxSize() which


@@ -451,6 +463,12 @@ public:
     virtual wxSize GetMinSize() const { return wxSize(m_minWidth, m_minHeight); }
     virtual wxSize GetMaxSize() const { return wxSize(m_maxWidth, m_maxHeight); }
 
     virtual wxSize GetMinSize() const { return wxSize(m_minWidth, m_minHeight); }
     virtual wxSize GetMaxSize() const { return wxSize(m_maxWidth, m_maxHeight); }
 

+        // Like Get*Size, but for client, not window, size
+    virtual wxSize GetMinClientSize() const
+        { return WindowToClientSize(GetMinSize()); }
+    virtual wxSize GetMaxClientSize() const
+        { return WindowToClientSize(GetMaxSize()); }
+

         // Get the min and max values one by one
     int GetMinWidth() const { return GetMinSize().x; }
     int GetMinHeight() const { return GetMinSize().y; }
         // Get the min and max values one by one
     int GetMinWidth() const { return GetMinSize().x; }
     int GetMinHeight() const { return GetMinSize().y; }


@@ -462,7 +480,7 @@ public:
         // windows this is just the client area of the window, but for
         // some like scrolled windows it is more or less independent of
         // the screen window size.  You may override the DoXXXVirtual
         // windows this is just the client area of the window, but for
         // some like scrolled windows it is more or less independent of
         // the screen window size.  You may override the DoXXXVirtual

-        // methods below for classes where that is is the case.
+        // methods below for classes where that is the case.

 
     void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
     void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
 
     void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
     void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }


@@ -500,6 +518,36 @@ public:
     // components of the result respectively
     virtual wxSize GetWindowBorderSize() const;
 
     // components of the result respectively
     virtual wxSize GetWindowBorderSize() const;
 

+    // wxSizer and friends use this to give a chance to a component to recalc
+    // its min size once one of the final size components is known. Override
+    // this function when that is useful (such as for wxStaticText which can
+    // stretch over several lines). Parameter availableOtherDir
+    // tells the item how much more space there is available in the opposite
+    // direction (-1 if unknown).
+    virtual bool
+    InformFirstDirection(int direction, int size, int availableOtherDir);
+
+    // sends a size event to the window using its current size -- this has an
+    // effect of refreshing the window layout
+    //
+    // by default the event is sent, i.e. processed immediately, but if flags
+    // value includes wxSEND_EVENT_POST then it's posted, i.e. only schedule
+    // for later processing
+    virtual void SendSizeEvent(int flags = 0);
+
+    // this is a safe wrapper for GetParent()->SendSizeEvent(): it checks that
+    // we have a parent window and it's not in process of being deleted
+    //
+    // this is used by controls such as tool/status bars changes to which must
+    // also result in parent re-layout
+    void SendSizeEventToParent(int flags = 0);
+
+    // this is a more readable synonym for SendSizeEvent(wxSEND_EVENT_POST)
+    void PostSizeEvent() { SendSizeEvent(wxSEND_EVENT_POST); }
+
+    // this is the same as SendSizeEventToParent() but using PostSizeEvent()
+    void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
+

 
     // window state
     // ------------
 
     // window state
     // ------------


@@ -514,27 +562,15 @@ public:
         //
         // timeout specifies how long the animation should take, in ms, the
         // default value of 0 means to use the default (system-dependent) value
         //
         // timeout specifies how long the animation should take, in ms, the
         // default value of 0 means to use the default (system-dependent) value

-        //
-        // direction is only used with wxSHOW_EFFECT_ROLL and SLIDE values
-    virtual bool ShowWithEffect(wxShowEffect effect,
-                                unsigned timeout = 0,
-                                wxDirection dir = wxBOTTOM)
+    virtual bool ShowWithEffect(wxShowEffect WXUNUSED(effect),
+                                unsigned WXUNUSED(timeout) = 0)

     {
     {

-        wxUnusedVar(effect);
-        wxUnusedVar(timeout);
-        wxUnusedVar(dir);
-

         return Show();
     }
 
         return Show();
     }
 

-    virtual bool HideWithEffect(wxShowEffect effect,
-                                unsigned timeout = 0,
-                                wxDirection dir = wxBOTTOM)
+    virtual bool HideWithEffect(wxShowEffect WXUNUSED(effect),
+                                unsigned WXUNUSED(timeout) = 0)

     {
     {

-        wxUnusedVar(effect);
-        wxUnusedVar(timeout);
-        wxUnusedVar(dir);
-

         return Hide();
     }
 
         return Hide();
     }
 


@@ -568,7 +604,7 @@ public:
     virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
     virtual long GetWindowStyleFlag() const { return m_windowStyle; }
 
     virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
     virtual long GetWindowStyleFlag() const { return m_windowStyle; }
 

-        // just some (somewhat shorter) synonims
+        // just some (somewhat shorter) synonyms

     void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 
     void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 


@@ -612,6 +648,11 @@ public:
 
     static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
 
 
     static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
 

+        // return true if the window has focus (handles composite windows
+        // correctly - returns true if GetMainWindowOfCompositeControl()
+        // has focus)
+    virtual bool HasFocus() const;
+

         // can this window have focus in principle?
         //
         // the difference between AcceptsFocus[FromKeyboard]() and CanAcceptFocus
         // can this window have focus in principle?
         //
         // the difference between AcceptsFocus[FromKeyboard]() and CanAcceptFocus


@@ -663,6 +704,11 @@ public:
     bool Navigate(int flags = wxNavigationKeyEvent::IsForward)
         { return m_parent && ((wxWindowBase *)m_parent)->DoNavigateIn(flags); }
 
     bool Navigate(int flags = wxNavigationKeyEvent::IsForward)
         { return m_parent && ((wxWindowBase *)m_parent)->DoNavigateIn(flags); }
 

+    // this function will generate the appropriate call to Navigate() if the
+    // key event is one normally used for keyboard navigation and return true
+    // in this case
+    bool HandleAsNavigationKey(const wxKeyEvent& event);
+

         // move this window just before/after the specified one in tab order
         // (the other window must be our sibling!)
     void MoveBeforeInTabOrder(wxWindow *win)
         // move this window just before/after the specified one in tab order
         // (the other window must be our sibling!)
     void MoveBeforeInTabOrder(wxWindow *win)


@@ -731,7 +777,7 @@ public:
 
         // replace the event handler (allows to completely subclass the
         // window)
 
         // replace the event handler (allows to completely subclass the
         // window)

-    void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; }
+    void SetEventHandler( wxEvtHandler *handler );

 
         // push/pop event handler: allows to chain a custom event handler to
         // alreasy existing ones
 
         // push/pop event handler: allows to chain a custom event handler to
         // alreasy existing ones


@@ -745,13 +791,59 @@ public:
         // be there)
     bool RemoveEventHandler(wxEvtHandler *handler);
 
         // be there)
     bool RemoveEventHandler(wxEvtHandler *handler);
 

-    // Process an event by calling GetEventHandler()->ProcessEvent() and
-    // handling any exceptions thrown by event handlers. It's mostly useful
-    // when processing wx events when called from C code (e.g. in GTK+
-    // callback) when the exception wouldn't correctly propagate to
-    // wxEventLoop.
+        // Process an event by calling GetEventHandler()->ProcessEvent(): this
+        // is a straightforward replacement for ProcessEvent() itself which
+        // shouldn't be used directly with windows as it doesn't take into
+        // account any event handlers associated with the window
+    bool ProcessWindowEvent(wxEvent& event)
+        { return GetEventHandler()->ProcessEvent(event); }
+
+        // Call GetEventHandler()->ProcessEventLocally(): this should be used
+        // instead of calling ProcessEventLocally() directly on the window
+        // itself as this wouldn't take any pushed event handlers into account
+        // correctly
+    bool ProcessWindowEventLocally(wxEvent& event)
+        { return GetEventHandler()->ProcessEventLocally(event); }
+
+        // Process an event by calling GetEventHandler()->ProcessEvent() and
+        // handling any exceptions thrown by event handlers. It's mostly useful
+        // when processing wx events when called from C code (e.g. in GTK+
+        // callback) when the exception wouldn't correctly propagate to
+        // wxEventLoop.

     bool HandleWindowEvent(wxEvent& event) const;
 
     bool HandleWindowEvent(wxEvent& event) const;
 

+        // disable wxEvtHandler double-linked list mechanism:
+    virtual void SetNextHandler(wxEvtHandler *handler);
+    virtual void SetPreviousHandler(wxEvtHandler *handler);
+
+
+    // Watcom doesn't allow reducing access with using access declaration, see
+    // #10749
+#ifndef __WATCOMC__
+protected:
+
+    // NOTE: we change the access specifier of the following wxEvtHandler functions
+    //       so that the user won't be able to call them directly.
+    //       Calling wxWindow::ProcessEvent in fact only works when there are NO
+    //       event handlers pushed on the window.
+    //       To ensure correct operation, instead of wxWindow::ProcessEvent
+    //       you must always call wxWindow::GetEventHandler()->ProcessEvent()
+    //       or HandleWindowEvent().
+    //       The same holds for all other wxEvtHandler functions.
+
+    using wxEvtHandler::ProcessEvent;
+    using wxEvtHandler::ProcessEventLocally;
+#if wxUSE_THREADS
+    using wxEvtHandler::ProcessThreadEvent;
+#endif
+    using wxEvtHandler::SafelyProcessEvent;
+    using wxEvtHandler::ProcessPendingEvents;
+    using wxEvtHandler::AddPendingEvent;
+    using wxEvtHandler::QueueEvent;
+#endif // __WATCOMC__
+
+public:
+

     // validators
     // ----------
 
     // validators
     // ----------
 


@@ -797,16 +889,16 @@ public:
     // dialog units translations
     // -------------------------
 
     // dialog units translations
     // -------------------------
 

-    wxPoint ConvertPixelsToDialog( const wxPoint& pt );
-    wxPoint ConvertDialogToPixels( const wxPoint& pt );
-    wxSize ConvertPixelsToDialog( const wxSize& sz )
+    wxPoint ConvertPixelsToDialog( const wxPoint& pt ) const;
+    wxPoint ConvertDialogToPixels( const wxPoint& pt ) const;
+    wxSize ConvertPixelsToDialog( const wxSize& sz ) const

     {
         wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
 
         return wxSize(pt.x, pt.y);
     }
 
     {
         wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
 
         return wxSize(pt.x, pt.y);
     }
 

-    wxSize ConvertDialogToPixels( const wxSize& sz )
+    wxSize ConvertDialogToPixels( const wxSize& sz ) const

     {
         wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
 
     {
         wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
 


@@ -854,13 +946,13 @@ public:
     virtual void ClearBackground();
 
         // freeze the window: don't redraw it until it is thawed
     virtual void ClearBackground();
 
         // freeze the window: don't redraw it until it is thawed

-    virtual void Freeze() { }
+    void Freeze();

 
         // thaw the window: redraw it after it had been frozen
 
         // thaw the window: redraw it after it had been frozen

-    virtual void Thaw() { }
+    void Thaw();

 
         // return true if window had been frozen and not unthawed yet
 
         // return true if window had been frozen and not unthawed yet

-    virtual bool IsFrozen() const { return false; }
+    bool IsFrozen() const { return m_freezeCount != 0; }

 
         // adjust DC for drawing on this window
     virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
 
         // adjust DC for drawing on this window
     virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }


@@ -937,9 +1029,10 @@ public:
     wxColour GetForegroundColour() const;
 
         // Set/get the background style.
     wxColour GetForegroundColour() const;
 
         // Set/get the background style.

-        // Pass one of wxBG_STYLE_SYSTEM, wxBG_STYLE_COLOUR, wxBG_STYLE_CUSTOM
-    virtual bool SetBackgroundStyle(wxBackgroundStyle style) { m_backgroundStyle = style; return true; }
-    virtual wxBackgroundStyle GetBackgroundStyle() const { return m_backgroundStyle; }
+    virtual bool SetBackgroundStyle(wxBackgroundStyle style)
+        { m_backgroundStyle = style; return true; }
+    wxBackgroundStyle GetBackgroundStyle() const
+        { return m_backgroundStyle; }

 
         // returns true if the control has "transparent" areas such as a
         // wxStaticText and wxCheckBox and the background should be adapted
 
         // returns true if the control has "transparent" areas such as a
         // wxStaticText and wxCheckBox and the background should be adapted


@@ -974,12 +1067,14 @@ public:
 
         // get the width/height/... of the text using current or specified
         // font
 
         // get the width/height/... of the text using current or specified
         // font

-    virtual void GetTextExtent(const wxString& string,
-                               int *x, int *y,
-                               int *descent = (int *) NULL,
-                               int *externalLeading = (int *) NULL,
-                               const wxFont *theFont = (const wxFont *) NULL)
-                               const = 0;
+    void GetTextExtent(const wxString& string,
+                       int *x, int *y,
+                       int *descent = NULL,
+                       int *externalLeading = NULL,
+                       const wxFont *font = NULL) const
+    {
+        DoGetTextExtent(string, x, y, descent, externalLeading, font);
+    }

 
     wxSize GetTextExtent(const wxString& string) const
     {
 
     wxSize GetTextExtent(const wxString& string) const
     {


@@ -1042,13 +1137,13 @@ public:
     // show popup menu at the given position, generate events for the items
     // selected in it
     bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
     // show popup menu at the given position, generate events for the items
     // selected in it
     bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)

-        { return DoPopupMenu(menu, pos.x, pos.y); }
-    bool PopupMenu(wxMenu *menu, int x, int y)
-        { return DoPopupMenu(menu, x, y); }
+        { return PopupMenu(menu, pos.x, pos.y); }
+    bool PopupMenu(wxMenu *menu, int x, int y);

 
     // simply return the id of the selected item or wxID_NONE without
     // generating any events
 
     // simply return the id of the selected item or wxID_NONE without
     // generating any events

-    int GetPopupMenuSelectionFromUser(wxMenu& menu, const wxPoint& pos)
+    int GetPopupMenuSelectionFromUser(wxMenu& menu,
+                                      const wxPoint& pos = wxDefaultPosition)

         { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
     int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
         { return DoGetPopupMenuSelectionFromUser(menu, x, y); }
         { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
     int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
         { return DoGetPopupMenuSelectionFromUser(menu, x, y); }


@@ -1061,13 +1156,16 @@ public:
     // scrollbars
     // ----------
 
     // scrollbars
     // ----------
 

-        // does the window have the scrollbar for this orientation?
-    bool HasScrollbar(int orient) const
+        // can the window have the scrollbar in this orientation?
+    bool CanScroll(int orient) const

     {
         return (m_windowStyle &
                 (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
     }
 
     {
         return (m_windowStyle &
                 (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
     }
 

+        // does the window have the scrollbar in this orientation?
+    bool HasScrollbar(int orient) const;
+

         // configure the window scrollbars
     virtual void SetScrollbar( int orient,
                                int pos,
         // configure the window scrollbars
     virtual void SetScrollbar( int orient,
                                int pos,


@@ -1081,7 +1179,7 @@ public:
 
         // scroll window to the specified position
     virtual void ScrollWindow( int dx, int dy,
 
         // scroll window to the specified position
     virtual void ScrollWindow( int dx, int dy,

-                               const wxRect* rect = (wxRect *) NULL ) = 0;
+                               const wxRect* rect = NULL ) = 0;

 
         // scrolls window by line/page: note that not all controls support this
         //
 
         // scrolls window by line/page: note that not all controls support this
         //


@@ -1117,9 +1215,13 @@ public:
 #if wxUSE_HELP
         // associate this help text with this window
     void SetHelpText(const wxString& text);
 #if wxUSE_HELP
         // associate this help text with this window
     void SetHelpText(const wxString& text);

-        // associate this help text with all windows with the same id as this
-        // one
-    void SetHelpTextForId(const wxString& text);
+
+#if WXWIN_COMPATIBILITY_2_8
+    // Associate this help text with all windows with the same id as this one.
+    // Don't use this, do wxHelpProvider::Get()->AddHelp(id, text);
+    wxDEPRECATED( void SetHelpTextForId(const wxString& text) );
+#endif // WXWIN_COMPATIBILITY_2_8
+

         // get the help string associated with the given position in this window
         //
         // notice that pt may be invalid if event origin is keyboard or unknown
         // get the help string associated with the given position in this window
         //
         // notice that pt may be invalid if event origin is keyboard or unknown


@@ -1144,16 +1246,20 @@ public:
 #if wxUSE_TOOLTIPS
         // the easiest way to set a tooltip for a window is to use this method
     void SetToolTip( const wxString &tip );
 #if wxUSE_TOOLTIPS
         // the easiest way to set a tooltip for a window is to use this method
     void SetToolTip( const wxString &tip );

-        // attach a tooltip to the window
+        // attach a tooltip to the window, pointer can be NULL to remove
+        // existing tooltip

     void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
     void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }

+        // more readable synonym for SetToolTip(NULL)
+    void UnsetToolTip() { SetToolTip(NULL); }

         // get the associated tooltip or NULL if none
     wxToolTip* GetToolTip() const { return m_tooltip; }
         // get the associated tooltip or NULL if none
     wxToolTip* GetToolTip() const { return m_tooltip; }

-    wxString GetToolTipText() const ;
-#else
+    wxString GetToolTipText() const;
+#else // !wxUSE_TOOLTIPS

         // make it much easier to compile apps in an environment
         // that doesn't support tooltips, such as PocketPC
         // make it much easier to compile apps in an environment
         // that doesn't support tooltips, such as PocketPC

-    inline void SetToolTip( const wxString & WXUNUSED(tip) ) {}
-#endif // wxUSE_TOOLTIPS
+    void SetToolTip(const wxString & WXUNUSED(tip)) { }
+    void UnsetToolTip() { }
+#endif // wxUSE_TOOLTIPS/!wxUSE_TOOLTIPS

 
     // drag and drop
     // -------------
 
     // drag and drop
     // -------------


@@ -1162,6 +1268,16 @@ public:
         // NULL; it's owned by the window and will be deleted by it)
     virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
     virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
         // NULL; it's owned by the window and will be deleted by it)
     virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
     virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }

+
+    // Accept files for dragging
+    virtual void DragAcceptFiles(bool accept)
+#ifdef __WXMSW__
+    // it does have common implementation but not for MSW which has its own
+    // native version of it
+    = 0
+#endif // __WXMSW__
+    ;
+

 #endif // wxUSE_DRAG_AND_DROP
 
     // constraints and sizers
 #endif // wxUSE_DRAG_AND_DROP
 
     // constraints and sizers


@@ -1249,10 +1365,11 @@ public:
 
         // virtual function for implementing internal idle
         // behaviour
 
         // virtual function for implementing internal idle
         // behaviour

-        virtual void OnInternalIdle() {}
+        virtual void OnInternalIdle();

 
 

-        // call internal idle recursively
-//        void ProcessInternalIdle() ;
+    // Send idle event to window and all subwindows
+    // Returns true if more idle time is requested.
+    virtual bool SendIdleEvents(wxIdleEvent& event);

 
         // get the handle of the window for the underlying window system: this
         // is only used for wxWin itself or for user code which wants to call
 
         // get the handle of the window for the underlying window system: this
         // is only used for wxWin itself or for user code which wants to call


@@ -1299,10 +1416,34 @@ public:
     // used only by Windows
     virtual bool CanApplyThemeBorder() const { return true; }
 
     // used only by Windows
     virtual bool CanApplyThemeBorder() const { return true; }
 

+    // returns the main window of composite control; this is the window
+    // that FindFocus returns if the focus is in one of composite control's
+    // windows
+    virtual wxWindow *GetMainWindowOfCompositeControl()
+        { return (wxWindow*)this; }
+

 protected:
 protected:

+    // helper for the derived class Create() methods: the first overload, with
+    // validator parameter, should be used for child windows while the second
+    // one is used for top level ones
+    bool CreateBase(wxWindowBase *parent,
+                    wxWindowID winid,
+                    const wxPoint& pos = wxDefaultPosition,
+                    const wxSize& size = wxDefaultSize,
+                    long style = 0,
+                    const wxValidator& validator = wxDefaultValidator,
+                    const wxString& name = wxPanelNameStr);
+
+    bool CreateBase(wxWindowBase *parent,
+                    wxWindowID winid,
+                    const wxPoint& pos,
+                    const wxSize& size,
+                    long style,
+                    const wxString& name);
+

     // event handling specific to wxWindow
     // event handling specific to wxWindow

-    virtual bool TryValidator(wxEvent& event);
-    virtual bool TryParent(wxEvent& event);
+    virtual bool TryBefore(wxEvent& event);
+    virtual bool TryAfter(wxEvent& event);

 
     enum WindowOrder
     {
 
     enum WindowOrder
     {


@@ -1324,15 +1465,10 @@ protected:
     void SatisfyConstraints();
 #endif // wxUSE_CONSTRAINTS
 
     void SatisfyConstraints();
 #endif // wxUSE_CONSTRAINTS
 

-    // Send the wxWindowDestroyEvent
+    // Send the wxWindowDestroyEvent if not done yet and sets m_isBeingDeleted
+    // to true

     void SendDestroyEvent();
 
     void SendDestroyEvent();
 

-    // returns the main window of composite control; this is the window
-    // that FindFocus returns if the focus is in one of composite control's
-    // windows
-    virtual wxWindow *GetMainWindowOfCompositeControl()
-        { return (wxWindow*)this; }
-

     // this method should be implemented to use operating system specific code
     // to really enable/disable the widget, it will only be called when we
     // really need to enable/disable window and so no additional checks on the
     // this method should be implemented to use operating system specific code
     // to really enable/disable the widget, it will only be called when we
     // really need to enable/disable window and so no additional checks on the


@@ -1347,7 +1483,7 @@ protected:
 
     // the window id - a number which uniquely identifies a window among
     // its siblings unless it is wxID_ANY
 
     // the window id - a number which uniquely identifies a window among
     // its siblings unless it is wxID_ANY

-    wxWindowID           m_windowId;
+    wxWindowIDRef        m_windowId;

 
     // the parent window of this window (or NULL) and the list of the children
     // of this window
 
     // the parent window of this window (or NULL) and the list of the children
     // of this window


@@ -1416,10 +1552,6 @@ protected:
     // Layout() window automatically when its size changes?
     bool                 m_autoLayout:1;
 
     // Layout() window automatically when its size changes?
     bool                 m_autoLayout:1;
 

-    // true if we had automatically allocated the id value for this window
-    // (i.e. wxID_ANY had been passed to the ctor)
-    bool                 m_freeId:1;
-

     // window state
     bool                 m_isShown:1;
     bool                 m_isEnabled:1;
     // window state
     bool                 m_isShown:1;
     bool                 m_isEnabled:1;


@@ -1455,11 +1587,6 @@ protected:
 
     wxScrollHelper       *m_scrollHelper;
 
 
     wxScrollHelper       *m_scrollHelper;
 

-    int                   m_minVirtualWidth;    // VirtualSizeHints
-    int                   m_minVirtualHeight;
-    int                   m_maxVirtualWidth;
-    int                   m_maxVirtualHeight;
-

     wxWindowVariant       m_windowVariant ;
 
     // override this to change the default (i.e. used when no style is
     wxWindowVariant       m_windowVariant ;
 
     // override this to change the default (i.e. used when no style is


@@ -1498,6 +1625,13 @@ protected:
     //     overloaded Something()s in terms of DoSomething() which will be the
     //     only one to be virtual.
 
     //     overloaded Something()s in terms of DoSomething() which will be the
     //     only one to be virtual.
 

+    // text extent
+    virtual void DoGetTextExtent(const wxString& string,
+                                 int *x, int *y,
+                                 int *descent = NULL,
+                                 int *externalLeading = NULL,
+                                 const wxFont *font = NULL) const = 0;
+

     // coordinates translation
     virtual void DoClientToScreen( int *x, int *y ) const = 0;
     virtual void DoScreenToClient( int *x, int *y ) const = 0;
     // coordinates translation
     virtual void DoClientToScreen( int *x, int *y ) const = 0;
     virtual void DoScreenToClient( int *x, int *y ) const = 0;


@@ -1519,15 +1653,12 @@ protected:
     // same size as it would have after a call to Fit()
     virtual wxSize DoGetBestSize() const;
 
     // same size as it would have after a call to Fit()
     virtual wxSize DoGetBestSize() const;
 

-    // called from DoGetBestSize() to convert best virtual size (returned by
-    // the window sizer) to the best size for the window itself; this is
-    // overridden at wxScrolledWindow level to clump down virtual size to real
-    virtual wxSize GetWindowSizeForVirtualSize(const wxSize& size) const
-    {
-        return size;
-    }
+    // this method can be overridden instead of DoGetBestSize() if it computes
+    // the best size of the client area of the window only, excluding borders
+    // (GetBorderSize() will be used to add them)
+    virtual wxSize DoGetBestClientSize() const { return wxDefaultSize; }

 
 

-    // this is the virtual function to be overriden in any derived class which
+    // this is the virtual function to be overridden in any derived class which

     // wants to change how SetSize() or Move() works - it is called by all
     // versions of these functions in the base class
     virtual void DoSetSize(int x, int y,
     // wants to change how SetSize() or Move() works - it is called by all
     // versions of these functions in the base class
     virtual void DoSetSize(int x, int y,


@@ -1541,6 +1672,15 @@ protected:
                                  int maxW, int maxH,
                                  int incW, int incH );
 
                                  int maxW, int maxH,
                                  int incW, int incH );
 

+    // return the total size of the window borders, i.e. the sum of the widths
+    // of the left and the right border in the x component of the returned size
+    // and the sum of the heights of the top and bottom borders in the y one
+    //
+    // NB: this is currently only implemented properly for wxMSW, wxGTK and
+    //     wxUniv and doesn't behave correctly in the presence of scrollbars in
+    //     the other ports
+    virtual wxSize DoGetBorderSize() const;
+

     // move the window to the specified location and resize it: this is called
     // from both DoSetSize() and DoSetClientSize() and would usually just
     // reposition this window except for composite controls which will want to
     // move the window to the specified location and resize it: this is called
     // from both DoSetSize() and DoSetClientSize() and would usually just
     // reposition this window except for composite controls which will want to


@@ -1573,6 +1713,12 @@ protected:
     // implements the window variants
     virtual void DoSetWindowVariant( wxWindowVariant variant ) ;
 
     // implements the window variants
     virtual void DoSetWindowVariant( wxWindowVariant variant ) ;
 

+
+    // really freeze/thaw the window (should have port-specific implementation)
+    virtual void DoFreeze() { }
+    virtual void DoThaw() { }
+
+

     // Must be called when mouse capture is lost to send
     // wxMouseCaptureLostEvent to windows on capture stack.
     static void NotifyCaptureLost();
     // Must be called when mouse capture is lost to send
     // wxMouseCaptureLostEvent to windows on capture stack.
     static void NotifyCaptureLost();


@@ -1584,22 +1730,38 @@ private:
     void NotifyWindowOnEnableChange(bool enabled);
 
 #if wxUSE_MENUS
     void NotifyWindowOnEnableChange(bool enabled);
 
 #if wxUSE_MENUS

-    // temporary event handler used by GetPopupMenuSelectionFromUser()
+    // temporary event handlers used by GetPopupMenuSelectionFromUser()

     void InternalOnPopupMenu(wxCommandEvent& event);
     void InternalOnPopupMenu(wxCommandEvent& event);

+    void InternalOnPopupMenuUpdate(wxUpdateUIEvent& event);

 
     // implementation of the public GetPopupMenuSelectionFromUser() method
     int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
 #endif // wxUSE_MENUS
 
 
     // implementation of the public GetPopupMenuSelectionFromUser() method
     int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
 #endif // wxUSE_MENUS
 

+    // layout the window children when its size changes unless this was
+    // explicitly disabled with SetAutoLayout(false)
+    void InternalOnSize(wxSizeEvent& event);
+
+    // base for dialog unit conversion, i.e. average character size
+    wxSize GetDlgUnitBase() const;
+

     // the stack of windows which have captured the mouse
     static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;
     // the stack of windows which have captured the mouse
     static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;

+

     // the window that currently has mouse capture
     static wxWindow *ms_winCaptureCurrent;
     // the window that currently has mouse capture
     static wxWindow *ms_winCaptureCurrent;

+

     // indicates if execution is inside CaptureMouse/ReleaseMouse
     static bool ms_winCaptureChanging;
 
     // indicates if execution is inside CaptureMouse/ReleaseMouse
     static bool ms_winCaptureChanging;
 

+
+    // number of Freeze() calls minus the number of Thaw() calls: we're frozen
+    // (i.e. not being updated) if it is positive
+    unsigned int m_freezeCount;
+
+

     DECLARE_ABSTRACT_CLASS(wxWindowBase)
     DECLARE_ABSTRACT_CLASS(wxWindowBase)

-    DECLARE_NO_COPY_CLASS(wxWindowBase)
+    wxDECLARE_NO_COPY_CLASS(wxWindowBase);

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -1681,7 +1843,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
     #else // !wxUniv
         #define wxWindowMac wxWindow
     #endif // wxUniv
     #else // !wxUniv
         #define wxWindowMac wxWindow
     #endif // wxUniv

-    #include "wx/mac/window.h"
+    #include "wx/osx/window.h"

 #elif defined(__WXCOCOA__)
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowCocoa
 #elif defined(__WXCOCOA__)
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowCocoa


@@ -1715,7 +1877,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
 
 inline wxWindow *wxWindowBase::GetGrandParent() const
 {
 
 inline wxWindow *wxWindowBase::GetGrandParent() const
 {

-    return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
+    return m_parent ? m_parent->GetParent() : NULL;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1724,21 +1886,21 @@ inline wxWindow *wxWindowBase::GetGrandParent() const
 
 // Find the wxWindow at the current mouse position, also returning the mouse
 // position.
 
 // Find the wxWindow at the current mouse position, also returning the mouse
 // position.

-extern WXDLLEXPORT wxWindow* wxFindWindowAtPointer(wxPoint& pt);
+extern WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPointer(wxPoint& pt);

 
 // Get the current mouse position.
 
 // Get the current mouse position.

-extern WXDLLEXPORT wxPoint wxGetMousePosition();
+extern WXDLLIMPEXP_CORE wxPoint wxGetMousePosition();

 
 // get the currently active window of this application or NULL
 
 // get the currently active window of this application or NULL

-extern WXDLLEXPORT wxWindow *wxGetActiveWindow();
+extern WXDLLIMPEXP_CORE wxWindow *wxGetActiveWindow();

 
 // get the (first) top level parent window
 
 // get the (first) top level parent window

-WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);
+WXDLLIMPEXP_CORE wxWindow* wxGetTopLevelParent(wxWindow *win);

 
 #if WXWIN_COMPATIBILITY_2_6
     // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
 
 #if WXWIN_COMPATIBILITY_2_6
     // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()

-    wxDEPRECATED( int NewControlId() );
-    inline int NewControlId() { return wxWindowBase::NewControlId(); }
+    wxDEPRECATED( wxWindowID NewControlId() );
+    inline wxWindowID NewControlId() { return wxWindowBase::NewControlId(); }

 #endif // WXWIN_COMPATIBILITY_2_6
 
 #if wxUSE_ACCESSIBILITY
 #endif // WXWIN_COMPATIBILITY_2_6
 
 #if wxUSE_ACCESSIBILITY


@@ -1746,7 +1908,7 @@ WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);
 // accessible object for windows
 // ----------------------------------------------------------------------------
 
 // accessible object for windows
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxWindowAccessible: public wxAccessible
+class WXDLLIMPEXP_CORE wxWindowAccessible: public wxAccessible

 {
 public:
     wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }
 {
 public:
     wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }