fix the signature of the documented functions and document some (relatively) new...

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

diff --git a/include/wx/window.h b/include/wx/window.h
index 338073b554e34e1c693ecb40f2ee19ee5cdf96e9..7987f624ae334a1baa651365328972408ff67e15 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -25,6 +25,7 @@
 #include "wx/colour.h"
 #include "wx/region.h"
 #include "wx/utils.h"
 #include "wx/colour.h"
 #include "wx/region.h"
 #include "wx/utils.h"

+#include "wx/intl.h"

 
 #include "wx/validate.h"        // for wxDefaultValidator (always include it)
 
 
 #include "wx/validate.h"        // for wxDefaultValidator (always include it)
 


@@ -48,25 +49,37 @@
     #define wxUSE_MENUS_NATIVE wxUSE_MENUS
 #endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
 
     #define wxUSE_MENUS_NATIVE wxUSE_MENUS
 #endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
 

+
+// Define this macro if the corresponding operating system handles the state
+// of children windows automatically when the parent is enabled/disabled.
+// Otherwise wx itself must ensure that when the parent is disabled its
+// children are disabled too, and their initial state is restored when the
+// parent is enabled back.
+#if defined(__WXMSW__) || defined(__WXPM__)
+    // must do everything ourselves
+    #undef wxHAS_NATIVE_ENABLED_MANAGEMENT
+#else
+    #define wxHAS_NATIVE_ENABLED_MANAGEMENT
+#endif
+

 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxCaret;
-class WXDLLEXPORT wxControl;
-class WXDLLEXPORT wxCursor;
-class WXDLLEXPORT wxDC;
-class WXDLLEXPORT wxDropTarget;
-class WXDLLEXPORT wxItemResource;
-class WXDLLEXPORT wxLayoutConstraints;
-class WXDLLEXPORT wxResourceTable;
-class WXDLLEXPORT wxSizer;
-class WXDLLEXPORT wxToolTip;
-class WXDLLEXPORT wxWindowBase;
-class WXDLLEXPORT wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxCaret;
+class WXDLLIMPEXP_FWD_CORE wxControl;
+class WXDLLIMPEXP_FWD_CORE wxCursor;
+class WXDLLIMPEXP_FWD_CORE wxDC;
+class WXDLLIMPEXP_FWD_CORE wxDropTarget;
+class WXDLLIMPEXP_FWD_CORE wxLayoutConstraints;
+class WXDLLIMPEXP_FWD_CORE wxSizer;
+class WXDLLIMPEXP_FWD_CORE wxToolTip;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxScrollHelper;

 
 #if wxUSE_ACCESSIBILITY
 
 #if wxUSE_ACCESSIBILITY

-class WXDLLEXPORT wxAccessible;
+class WXDLLIMPEXP_FWD_CORE wxAccessible;

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -102,6 +115,16 @@ enum wxWindowVariant
     #define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant")
 #endif
 
     #define wxWINDOW_DEFAULT_VARIANT wxT("window-default-variant")
 #endif
 

+// valid values for Show/HideWithEffect()
+enum wxShowEffect
+{
+    wxSHOW_EFFECT_ROLL,
+    wxSHOW_EFFECT_SLIDE,
+    wxSHOW_EFFECT_BLEND,
+    wxSHOW_EFFECT_EXPAND,
+    wxSHOW_EFFECT_MAX
+};
+

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


@@ -180,9 +203,24 @@ public:
     virtual void SetName( const wxString &name ) { m_windowName = name; }
     virtual wxString GetName() const { return m_windowName; }
 
     virtual void SetName( const wxString &name ) { m_windowName = name; }
     virtual wxString GetName() const { return m_windowName; }
 

-    // sets the window variant, calls internally DoSetVariant if variant has changed
-    void SetWindowVariant( wxWindowVariant variant ) ;
-    wxWindowVariant GetWindowVariant() const { return m_windowVariant ; }
+        // sets the window variant, calls internally DoSetVariant if variant
+        // has changed
+    void SetWindowVariant(wxWindowVariant variant);
+    wxWindowVariant GetWindowVariant() const { return m_windowVariant; }
+
+
+        // get or change the layout direction (LTR or RTL) for this window,
+        // wxLayout_Default is returned if layout direction is not supported
+    virtual wxLayoutDirection GetLayoutDirection() const
+        { return wxLayout_Default; }
+    virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
+        { }
+
+        // mirror coordinates for RTL layout if this window uses it and if the
+        // mirroring is not done automatically like Win32
+    virtual wxCoord AdjustForLayoutDirection(wxCoord x,
+                                             wxCoord width,
+                                             wxCoord widthTotal) const;

 
 
         // window id uniquely identifies the window among its siblings unless
 
 
         // window id uniquely identifies the window among its siblings unless


@@ -190,15 +228,22 @@ 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; }
 

-        // generate a control id for the controls which were not given one by
-        // user
-    static int NewControlId() { return --ms_lastControlId; }
-        // get the id of the control following the one with the given
-        // (autogenerated) id
-    static int NextControlId(int winid) { return winid - 1; }
-        // get the id of the control preceding the one with the given
-        // (autogenerated) id
-    static int PrevControlId(int winid) { return winid + 1; }
+        // generate a unique id (or count of them consecutively), returns a
+        // 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);
+    }
+
+        // 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
     // ---------------


@@ -310,6 +355,10 @@ 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)


@@ -328,31 +377,28 @@ public:
             *h = s.y;
     }
 
             *h = s.y;
     }
 

+    void SetScrollHelper( wxScrollHelper *sh )   { m_scrollHelper = sh; }
+    wxScrollHelper *GetScrollHelper()            { return m_scrollHelper; }
+

         // reset the cached best size value so it will be recalculated the
         // next time it is needed.
     void InvalidateBestSize();
     void CacheBestSize(const wxSize& size) const
         { wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; }
 
         // reset the cached best size value so it will be recalculated the
         // next time it is needed.
     void InvalidateBestSize();
     void CacheBestSize(const wxSize& size) const
         { wxConstCast(this, wxWindowBase)->m_bestSizeCache = size; }
 

-        // There are times (and windows) where 'Best' size and 'Min' size
-        // are vastly out of sync.  This should be remedied somehow, but in
-        // the meantime, this method will return the larger of BestSize
-        // (the window's smallest legible size), and any user specified
-        // MinSize hint.
-    wxSize GetAdjustedBestSize() const
-    {
-        wxSize  s( GetBestSize() );
-        return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) );
-    }

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

 
         // A 'Smart' SetSize that will fill in default size values with 'best'
         // size.  Sets the minsize to what was passed in.
 
         // A 'Smart' SetSize that will fill in default size values with 'best'
         // size.  Sets the minsize to what was passed in.

-    void SetBestFittingSize(const wxSize& size=wxDefaultSize);
+    void SetInitialSize(const wxSize& size=wxDefaultSize);
+    wxDEPRECATED( void SetBestFittingSize(const wxSize& size=wxDefaultSize) );  // replaced by SetInitialSize
+

 
         // the generic centre function - centers the window on parent by`
         // default or on screen if it doesn't have parent or
 
         // the generic centre function - centers the window on parent by`
         // default or on screen if it doesn't have parent or


@@ -370,46 +416,63 @@ public:
         // set virtual size to satisfy children
     virtual void FitInside();
 
         // set virtual size to satisfy children
     virtual void FitInside();
 

-        // set min/max size of the window
+
+        // SetSizeHints is actually for setting the size hints
+        // for the wxTLW for a Window Manager - hence the name -
+        // and it is therefore overridden in wxTLW to do that.
+        // In wxWindow(Base), it has (unfortunately) been abused
+        // to mean the same as SetMinSize() and SetMaxSize().
+

     virtual void SetSizeHints( int minW, int minH,
                                int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
                                int incW = wxDefaultCoord, int incH = wxDefaultCoord )
     virtual void SetSizeHints( int minW, int minH,
                                int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
                                int incW = wxDefaultCoord, int incH = wxDefaultCoord )

-    {
-        DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
-    }
+    { DoSetSizeHints(minW, minH, maxW, maxH, incW, incH); }

 
     void SetSizeHints( const wxSize& minSize,
                        const wxSize& maxSize=wxDefaultSize,
                        const wxSize& incSize=wxDefaultSize)
 
     void SetSizeHints( const wxSize& minSize,
                        const wxSize& maxSize=wxDefaultSize,
                        const wxSize& incSize=wxDefaultSize)

-    {
-        DoSetSizeHints(minSize.x, minSize.y,
-                       maxSize.x, maxSize.y,
-                       incSize.x, incSize.y);
-    }
+    { DoSetSizeHints(minSize.x, minSize.y, maxSize.x, maxSize.y, incSize.x, incSize.y); }

 
 

-    virtual void DoSetSizeHints(int minW, int minH,
-                                int maxW = wxDefaultCoord, int maxH = wxDefaultCoord,
-                               int incW = wxDefaultCoord, int incH = wxDefaultCoord );

 
 

-    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
+        // method is only virtual because it is overriden in wxTLW
+        // 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; }
+
+        // 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
+        // will have the same effect. Doing both is non-sense.
+    virtual wxSize GetMinSize() const { return wxSize(m_minWidth, m_minHeight); }
+    virtual wxSize GetMaxSize() const { return wxSize(m_maxWidth, m_maxHeight); }

 
 

-    virtual int GetMinWidth() const { return m_minWidth; }
-    virtual int GetMinHeight() const { return m_minHeight; }
-    int GetMaxWidth() const { return m_maxWidth; }
-    int GetMaxHeight() const { return 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()); }

 
 

-        // Override this method to control the values given to Sizers etc.
-    virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); }
-    virtual wxSize GetMinSize() const { return wxSize( m_minWidth, m_minHeight ); }
+        // Get the min and max values one by one
+    int GetMinWidth() const { return GetMinSize().x; }
+    int GetMinHeight() const { return GetMinSize().y; }
+    int GetMaxWidth() const { return GetMaxSize().x; }
+    int GetMaxHeight() const { return GetMaxSize().y; }

 
 

-    void SetMinSize(const wxSize& minSize) { SetSizeHints(minSize); }
-    void SetMaxSize(const wxSize& maxSize) { SetSizeHints(GetMinSize(), maxSize); }

 
         // Methods for accessing the virtual size of a window.  For most
         // windows this is just the client area of the window, but for
 
         // Methods for accessing the virtual size of a window.  For most
         // windows this is just the client area of the window, but for


@@ -449,6 +512,19 @@ public:
         return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
     }
 
         return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
     }
 

+    // return the size of the left/right and top/bottom borders in x and y
+    // 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 WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
+    { return false; }
+

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


@@ -457,12 +533,59 @@ public:
     virtual bool Show( bool show = true );
     bool Hide() { return Show(false); }
 
     virtual bool Show( bool show = true );
     bool Hide() { return Show(false); }
 

+        // show or hide the window with a special effect, not implemented on
+        // most platforms (where it is the same as Show()/Hide() respectively)
+        //
+        // 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)
+    {
+        wxUnusedVar(effect);
+        wxUnusedVar(timeout);
+        wxUnusedVar(dir);
+
+        return Show();
+    }
+
+    virtual bool HideWithEffect(wxShowEffect effect,
+                                unsigned timeout = 0,
+                                wxDirection dir = wxBOTTOM)
+    {
+        wxUnusedVar(effect);
+        wxUnusedVar(timeout);
+        wxUnusedVar(dir);
+
+        return Hide();
+    }
+

         // returns true if window was enabled/disabled, false if nothing done
     virtual bool Enable( bool enable = true );
     bool Disable() { return Enable(false); }
 
     virtual bool IsShown() const { return m_isShown; }
         // returns true if window was enabled/disabled, false if nothing done
     virtual bool Enable( bool enable = true );
     bool Disable() { return Enable(false); }
 
     virtual bool IsShown() const { return m_isShown; }

-    virtual bool IsEnabled() const { return m_isEnabled; }
+        // returns true if the window is really enabled and false otherwise,
+        // whether because it had been explicitly disabled itself or because
+        // its parent is currently disabled -- then this method returns false
+        // whatever is the intrinsic state of this window, use IsThisEnabled(0
+        // to retrieve it. In other words, this relation always holds:
+        //
+        //   IsEnabled() == IsThisEnabled() && parent.IsEnabled()
+        //
+    bool IsEnabled() const;
+
+        // returns the internal window state independently of the parent(s)
+        // state, i.e. the state in which the window would be if all its
+        // parents were enabled (use IsEnabled() above to get the effective
+        // window state)
+    bool IsThisEnabled() const { return m_isEnabled; }
+
+    // returns true if the window is visible, i.e. IsShown() returns true
+    // if called on it and all its parents up to the first TLW
+    virtual bool IsShownOnScreen() const;

 
         // get/set window style (setting style won't update the window and so
         // is only useful for internal usage)
 
         // get/set window style (setting style won't update the window and so
         // is only useful for internal usage)


@@ -473,14 +596,21 @@ public:
     void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 
     void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
     long GetWindowStyle() const { return GetWindowStyleFlag(); }
 

+        // check if the flag is set

     bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
     virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
 
     bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
     virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
 

+        // turn the flag on if it had been turned off before and vice versa,
+        // return true if the flag is currently turned on
+    bool ToggleWindowStyle(int flag);
+

         // extra style: the less often used style bits which can't be set with
         // SetWindowStyleFlag()
     virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
     long GetExtraStyle() const { return m_exStyle; }
 
         // extra style: the less often used style bits which can't be set with
         // SetWindowStyleFlag()
     virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
     long GetExtraStyle() const { return m_exStyle; }
 

+    bool HasExtraStyle(int exFlag) const { return (m_exStyle & exFlag) != 0; }
+

         // make the window modal (all other windows unresponsive)
     virtual void MakeModal(bool modal = true);
 
         // make the window modal (all other windows unresponsive)
     virtual void MakeModal(bool modal = true);
 


@@ -506,23 +636,73 @@ public:
 
     static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
 
 
     static wxWindow *DoFindFocus() /* = 0: implement in derived classes */;
 

-        // can this window have focus?
-    virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
+        // 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
+        // [FromKeyboard]() is that the former functions are meant to be
+        // overridden in the derived classes to simply return false if the
+        // control can't have focus, while the latter are meant to be used by
+        // this class clients and take into account the current window state
+    virtual bool AcceptsFocus() const { return true; }
+
+        // can this window or one of its children accept focus?
+        //
+        // usually it's the same as AcceptsFocus() but is overridden for
+        // container windows
+    virtual bool AcceptsFocusRecursively() const { return AcceptsFocus(); }

 
         // can this window be given focus by keyboard navigation? if not, the
         // only way to give it focus (provided it accepts it at all) is to
         // click it
     virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
 
 
         // can this window be given focus by keyboard navigation? if not, the
         // only way to give it focus (provided it accepts it at all) is to
         // click it
     virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
 

-        // navigates in the specified direction by sending a wxNavigationKeyEvent
-    virtual bool Navigate(int flags = wxNavigationKeyEvent::IsForward);
+
+        // this is mostly a helper for the various functions using it below
+    bool CanBeFocused() const { return IsShown() && IsEnabled(); }
+
+        // can this window itself have focus?
+    bool IsFocusable() const { return AcceptsFocus() && CanBeFocused(); }
+
+        // can this window have focus right now?
+        //
+        // if this method returns true, it means that calling SetFocus() will
+        // put focus either to this window or one of its children, if you need
+        // to know whether this window accepts focus itself, use IsFocusable()
+    bool CanAcceptFocus() const
+        { return AcceptsFocusRecursively() && CanBeFocused(); }
+
+        // can this window be assigned focus from keyboard right now?
+    bool CanAcceptFocusFromKeyboard() const
+        { return AcceptsFocusFromKeyboard() && CanBeFocused(); }
+
+        // call this when the return value of AcceptsFocus() changes
+    virtual void SetCanFocus(bool WXUNUSED(canFocus)) { }
+
+        // navigates inside this window
+    bool NavigateIn(int flags = wxNavigationKeyEvent::IsForward)
+        { return DoNavigateIn(flags); }
+
+        // navigates in the specified direction from this window, this is
+        // equivalent to GetParent()->NavigateIn()
+    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)

-        { DoMoveInTabOrder(win, MoveBefore); }
+        { DoMoveInTabOrder(win, OrderBefore); }

     void MoveAfterInTabOrder(wxWindow *win)
     void MoveAfterInTabOrder(wxWindow *win)

-        { DoMoveInTabOrder(win, MoveAfter); }
+        { DoMoveInTabOrder(win, OrderAfter); }

 
 
     // parent/children relations
 
 
     // parent/children relations


@@ -535,6 +715,11 @@ public:
     // needed just for extended runtime
     const wxWindowList& GetWindowChildren() const { return GetChildren() ; }
 
     // needed just for extended runtime
     const wxWindowList& GetWindowChildren() const { return GetChildren() ; }
 

+        // get the window before/after this one in the parents children list,
+        // returns NULL if this is the first/last window
+    wxWindow *GetPrevSibling() const { return DoGetSibling(OrderBefore); }
+    wxWindow *GetNextSibling() const { return DoGetSibling(OrderAfter); }
+

         // get the parent or the parent of the parent
     wxWindow *GetParent() const { return m_parent; }
     inline wxWindow *GetGrandParent() const;
         // get the parent or the parent of the parent
     wxWindow *GetParent() const { return m_parent; }
     inline wxWindow *GetGrandParent() const;


@@ -552,6 +737,11 @@ public:
     virtual void AddChild( wxWindowBase *child );
     virtual void RemoveChild( wxWindowBase *child );
 
     virtual void AddChild( wxWindowBase *child );
     virtual void RemoveChild( wxWindowBase *child );
 

+    // returns true if the child is in the client area of the window, i.e. is
+    // not scrollbar, toolbar etc.
+    virtual bool IsClientAreaChild(const wxWindow *WXUNUSED(child)) const
+        { return true; }
+

     // looking for windows
     // -------------------
 
     // looking for windows
     // -------------------
 


@@ -589,6 +779,13 @@ 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.
+    bool HandleWindowEvent(wxEvent& event) const;
+

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


@@ -691,14 +888,20 @@ 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
+    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) ) { }
 

+        // return true if the window contents is double buffered by the system
+    virtual bool IsDoubleBuffered() const { return false; }
+

         // the update region of the window contains the areas which must be
         // repainted by the program
     const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
         // the update region of the window contains the areas which must be
         // repainted by the program
     const wxRegion& GetUpdateRegion() const { return m_updateRegion; }


@@ -709,13 +912,17 @@ public:
 
         // these functions verify whether the given point/rectangle belongs to
         // (or at least intersects with) the update region
 
         // these functions verify whether the given point/rectangle belongs to
         // (or at least intersects with) the update region

-    bool IsExposed( int x, int y ) const;
-    bool IsExposed( int x, int y, int w, int h ) const;
+    virtual bool DoIsExposed( int x, int y ) const;
+    virtual bool DoIsExposed( int x, int y, int w, int h ) const;

 
 

+    bool IsExposed( int x, int y ) const
+        { return DoIsExposed(x, y); }
+    bool IsExposed( int x, int y, int w, int h ) const
+    { return DoIsExposed(x, y, w, h); }

     bool IsExposed( const wxPoint& pt ) const
     bool IsExposed( const wxPoint& pt ) const

-        { return IsExposed(pt.x, pt.y); }
+        { return DoIsExposed(pt.x, pt.y); }

     bool IsExposed( const wxRect& rect ) const
     bool IsExposed( const wxRect& rect ) const

-        { return IsExposed(rect.x, rect.y, rect.width, rect.height); }
+        { return DoIsExposed(rect.x, rect.y, rect.width, rect.height); }

 
     // colours, fonts and cursors
     // --------------------------
 
     // colours, fonts and cursors
     // --------------------------


@@ -808,6 +1015,13 @@ public:
                                const wxFont *theFont = (const wxFont *) NULL)
                                const = 0;
 
                                const wxFont *theFont = (const wxFont *) NULL)
                                const = 0;
 

+    wxSize GetTextExtent(const wxString& string) const
+    {
+        wxCoord w, h;
+        GetTextExtent(string, &w, &h);
+        return wxSize(w, h);
+    }
+

     // client <-> screen coords
     // ------------------------
 
     // client <-> screen coords
     // ------------------------
 


@@ -859,10 +1073,18 @@ public:
     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
 
 #if wxUSE_MENUS
     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
 
 #if wxUSE_MENUS

+    // show popup menu at the given position, generate events for the items
+    // selected in it

     bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition)
     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
+    int GetPopupMenuSelectionFromUser(wxMenu& menu, const wxPoint& pos)
+        { return DoGetPopupMenuSelectionFromUser(menu, pos.x, pos.y); }
+    int GetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
+        { return DoGetPopupMenuSelectionFromUser(menu, x, y); }

 #endif // wxUSE_MENUS
 
     // override this method to return true for controls having multiple pages
 #endif // wxUSE_MENUS
 
     // override this method to return true for controls having multiple pages


@@ -906,6 +1128,20 @@ public:
     bool PageUp() { return ScrollPages(-1); }
     bool PageDown() { return ScrollPages(1); }
 
     bool PageUp() { return ScrollPages(-1); }
     bool PageDown() { return ScrollPages(1); }
 

+        // call this to always show one or both scrollbars, even if the window
+        // is big enough to not require them
+    virtual void AlwaysShowScrollbars(bool WXUNUSED(horz) = true,
+                                      bool WXUNUSED(vert) = true)
+    {
+    }
+
+        // return true if AlwaysShowScrollbars() had been called before for the
+        // corresponding orientation
+    virtual bool IsScrollbarAlwaysShown(int WXUNUSED(orient)) const
+    {
+        return false;
+    }
+

     // context-sensitive help
     // ----------------------
 
     // context-sensitive help
     // ----------------------
 


@@ -914,9 +1150,13 @@ 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


@@ -1021,12 +1261,18 @@ public:
     void SetAccessible(wxAccessible* accessible) ;
 
     // Returns the accessible object.
     void SetAccessible(wxAccessible* accessible) ;
 
     // Returns the accessible object.

-    wxAccessible* GetAccessible() { return m_accessible; };
+    wxAccessible* GetAccessible() { return m_accessible; }

 
     // Returns the accessible object, creating if necessary.
     wxAccessible* GetOrCreateAccessible() ;
 #endif
 
 
     // Returns the accessible object, creating if necessary.
     wxAccessible* GetOrCreateAccessible() ;
 #endif
 

+
+    // Set window transparency if the platform supports it
+    virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
+    virtual bool CanSetTransparent() { return false; }
+
+

     // implementation
     // --------------
 
     // implementation
     // --------------
 


@@ -1082,18 +1328,33 @@ public:
     // behaviour in the most common case
     virtual bool ShouldInheritColours() const { return false; }
 
     // behaviour in the most common case
     virtual bool ShouldInheritColours() const { return false; }
 

+    // returns true if the window can be positioned outside of parent's client
+    // area (normal windows can't, but e.g. menubar or statusbar can):
+    virtual bool CanBeOutsideClientArea() const { return false; }
+
+    // returns true if the platform should explicitly apply a theme border. Currently
+    // used only by Windows
+    virtual bool CanApplyThemeBorder() const { return true; }
+

 protected:
     // event handling specific to wxWindow
     virtual bool TryValidator(wxEvent& event);
     virtual bool TryParent(wxEvent& event);
 
 protected:
     // event handling specific to wxWindow
     virtual bool TryValidator(wxEvent& event);
     virtual bool TryParent(wxEvent& event);
 

-    // common part of MoveBefore/AfterInTabOrder()
-    enum MoveKind
+    enum WindowOrder

     {
     {

-        MoveBefore,     // insert before the given window
-        MoveAfter       // insert after the given window
+        OrderBefore,     // insert before the given window
+        OrderAfter       // insert after the given window

     };
     };

-    virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move);
+
+    // common part of GetPrev/NextSibling()
+    wxWindow *DoGetSibling(WindowOrder order) const;
+
+    // common part of MoveBefore/AfterInTabOrder()
+    virtual void DoMoveInTabOrder(wxWindow *win, WindowOrder move);
+
+    // implementation of Navigate() and NavigateIn()
+    virtual bool DoNavigateIn(int flags);

 
 #if wxUSE_CONSTRAINTS
     // satisfy the constraints for the windows but don't set the window sizes
 
 #if wxUSE_CONSTRAINTS
     // satisfy the constraints for the windows but don't set the window sizes


@@ -1109,9 +1370,21 @@ protected:
     virtual wxWindow *GetMainWindowOfCompositeControl()
         { return (wxWindow*)this; }
 
     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
+    // widgets state are necessary
+    virtual void DoEnable(bool WXUNUSED(enable)) { }
+
+    // called when the on-screen widget state changes and provides an
+    // an opportunity for the widget to update its visual state (colours,
+    // fonts, anything else) as necessary
+    virtual void OnEnabled(bool WXUNUSED(enabled)) { }
+
+

     // 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


@@ -1213,10 +1486,7 @@ protected:
     // Virtual size (scrolling)
     wxSize                m_virtualSize;
 
     // Virtual size (scrolling)
     wxSize                m_virtualSize;
 

-    int                   m_minVirtualWidth;    // VirtualSizeHints
-    int                   m_minVirtualHeight;
-    int                   m_maxVirtualWidth;
-    int                   m_maxVirtualHeight;
+    wxScrollHelper       *m_scrollHelper;

 
     wxWindowVariant       m_windowVariant ;
 
 
     wxWindowVariant       m_windowVariant ;
 


@@ -1224,6 +1494,11 @@ protected:
     // specified) border for the window class
     virtual wxBorder GetDefaultBorder() const;
 
     // specified) border for the window class
     virtual wxBorder GetDefaultBorder() const;
 

+    // this allows you to implement standard control borders without
+    // repeating the code in different classes that are not derived from
+    // wxControl
+    virtual wxBorder GetDefaultBorderForControl() const { return wxBORDER_THEME; }
+

     // Get the default size for the new window if no explicit size given. TLWs
     // have their own default size so this is just for non top-level windows.
     static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; }
     // Get the default size for the new window if no explicit size given. TLWs
     // have their own default size so this is just for non top-level windows.
     static int WidthDefault(int w) { return w == wxDefaultCoord ? 20 : w; }


@@ -1234,18 +1509,8 @@ protected:
     // recalculated each time the value is needed.
     wxSize m_bestSizeCache;
 
     // recalculated each time the value is needed.
     wxSize m_bestSizeCache;
 

-    // keep the old name for compatibility, at least until all the internal
-    // usages of it are changed to SetBestFittingSize
-    void SetBestSize(const wxSize& size) { SetBestFittingSize(size); }
-
-    // set the initial window size if none is given (i.e. at least one of the
-    // components of the size passed to ctor/Create() is wxDefaultCoord)
-    //
-    // normally just calls SetBestSize() for controls, but can be overridden
-    // not to do it for the controls which have to do some additional
-    // initialization (e.g. add strings to list box) before their best size
-    // can be accurately calculated
-    virtual void SetInitialBestSize(const wxSize& WXUNUSED(size)) {}
+    wxDEPRECATED( void SetBestSize(const wxSize& size) );  // use SetInitialSize
+    wxDEPRECATED( virtual void SetInitialBestSize(const wxSize& size) );  // use SetInitialSize

 
 
 
 
 
 


@@ -1282,14 +1547,6 @@ 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 is the virtual function to be overriden 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
     // this is the virtual function to be overriden 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


@@ -1300,10 +1557,18 @@ protected:
     // same as DoSetSize() for the client size
     virtual void DoSetClientSize(int width, int height) = 0;
 
     // same as DoSetSize() for the client size
     virtual void DoSetClientSize(int width, int height) = 0;
 

+    virtual void DoSetSizeHints( int minW, int minH,
+                                 int maxW, int maxH,
+                                 int incW, int incH );
+

     // 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
     // arrange themselves inside the given rectangle
     // 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
     // arrange themselves inside the given rectangle

+    //
+    // Important note: the coordinates passed to this method are in parent's
+    // *window* coordinates and not parent's client coordinates (as the values
+    // passed to DoSetSize and returned by DoGetPosition are)!

     virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
 
     // centre the window in the specified direction on parent, note that
     virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
 
     // centre the window in the specified direction on parent, note that


@@ -1328,27 +1593,74 @@ 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
     // Must be called when mouse capture is lost to send

-    // wxMouseCaptureLostEvent to windows on capture stack. The argument is
-    // the window gaining capture or NULL if outside of wx code or none.
-    static void NotifyCaptureLost(wxWindow *gainedCapture);
+    // wxMouseCaptureLostEvent to windows on capture stack.
+    static void NotifyCaptureLost();

 
 private:
 
 private:

-    // contains the last id generated by NewControlId
-    static int ms_lastControlId;
+    // recursively call our own and our children OnEnabled() when the
+    // enabled/disabled status changed because a parent window had been
+    // enabled/disabled
+    void NotifyWindowOnEnableChange(bool enabled);
+
+#if wxUSE_MENUS
+    // temporary event handler used by GetPopupMenuSelectionFromUser()
+    void InternalOnPopupMenu(wxCommandEvent& event);
+
+    // implementation of the public GetPopupMenuSelectionFromUser() method
+    int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
+#endif // wxUSE_MENUS

 
     // the stack of windows which have captured the mouse
 
     // the stack of windows which have captured the mouse

-    static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext;
+    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_NO_COPY_CLASS(wxWindowBase)
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_ABSTRACT_CLASS(wxWindowBase)
     DECLARE_NO_COPY_CLASS(wxWindowBase)
     DECLARE_EVENT_TABLE()
 };
 

+
+
+// Inlines for some deprecated methods
+inline wxSize wxWindowBase::GetBestFittingSize() const
+{
+    return GetEffectiveMinSize();
+}
+
+inline void wxWindowBase::SetBestFittingSize(const wxSize& size)
+{
+    SetInitialSize(size);
+}
+
+inline void wxWindowBase::SetBestSize(const wxSize& size)
+{
+    SetInitialSize(size);
+}
+
+inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
+{
+    SetInitialSize(size);
+}
+
+

 // ----------------------------------------------------------------------------
 // now include the declaration of wxWindow class
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // now include the declaration of wxWindow class
 // ----------------------------------------------------------------------------


@@ -1392,12 +1704,11 @@ private:
     #endif // wxUniv
     #include "wx/x11/window.h"
 #elif defined(__WXMGL__)
     #endif // wxUniv
     #include "wx/x11/window.h"
 #elif defined(__WXMGL__)

-    #ifdef __WXUNIVERSAL__
-        #define wxWindowNative wxWindowMGL
-    #else // !wxUniv
-        #define wxWindowMGL wxWindow
-    #endif // wxUniv
+    #define wxWindowNative wxWindowMGL

     #include "wx/mgl/window.h"
     #include "wx/mgl/window.h"

+#elif defined(__WXDFB__)
+    #define wxWindowNative wxWindowDFB
+    #include "wx/dfb/window.h"

 #elif defined(__WXMAC__)
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowMac
 #elif defined(__WXMAC__)
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowMac


@@ -1460,8 +1771,8 @@ WXDLLEXPORT 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


@@ -1546,6 +1857,7 @@ public:
         // If this object has the focus, child should be 'this'.
     virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);
 
         // If this object has the focus, child should be 'this'.
     virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);
 

+#if wxUSE_VARIANT

         // Gets a variant representing the selected children
         // of this object.
         // Acceptable values:
         // Gets a variant representing the selected children
         // of this object.
         // Acceptable values:


@@ -1555,6 +1867,7 @@ public:
         //   or 0 if this object is selected (GetType() == wxT("long")
         // - a "void*" pointer to a wxAccessible child object
     virtual wxAccStatus GetSelections(wxVariant* selections);
         //   or 0 if this object is selected (GetType() == wxT("long")
         // - a "void*" pointer to a wxAccessible child object
     virtual wxAccStatus GetSelections(wxVariant* selections);

+#endif // wxUSE_VARIANT

 };
 
 #endif // wxUSE_ACCESSIBILITY
 };
 
 #endif // wxUSE_ACCESSIBILITY