X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ed39ff57b30a70a2395e07887a70bc01e7a3b7ec..271cad4cf73376f27c2071b53e534e7ad51ece82:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index 590aaec381..662c0e53e0 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -12,7 +12,7 @@ #ifndef _WX_WINDOW_H_BASE_ #define _WX_WINDOW_H_BASE_ -#if defined(__GNUG__) && !defined(__APPLE__) +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "windowbase.h" #endif @@ -40,6 +40,10 @@ #include "wx/accel.h" #endif // wxUSE_ACCEL +#if wxUSE_ACCESSIBILITY +#include "wx/access.h" +#endif + // when building wxUniv/Foo we don't want the code for native menu use to be // compiled in - it should only be used when building real wxFoo #ifdef __WXUNIVERSAL__ @@ -65,6 +69,39 @@ class WXDLLEXPORT wxToolTip; class WXDLLEXPORT wxWindowBase; class WXDLLEXPORT wxWindow; +#if wxUSE_ACCESSIBILITY +class WXDLLEXPORT wxAccessible; +#endif + +// ---------------------------------------------------------------------------- +// helper stuff used by wxWindow +// ---------------------------------------------------------------------------- + +// struct containing all the visual attributes of a control +struct WXDLLEXPORT wxVisualAttributes +{ + // the font used for control label/text inside it + wxFont font; + + // the foreground colour + wxColour colFg; + + // the background colour, may be wxNullColour if the controls background + // colour is not solid + wxColour colBg; +}; + +// different window variants, on platforms like eg mac uses different +// rendering sizes +enum wxWindowVariant +{ + wxWINDOW_VARIANT_NORMAL, // Normal size + wxWINDOW_VARIANT_SMALL, // Smaller size (about 25 % smaller than normal) + wxWINDOW_VARIANT_MINI, // Mini size (about 33 % smaller than normal) + wxWINDOW_VARIANT_LARGE, // Large size (about 25 % larger than normal) + wxWINDOW_VARIANT_MAX +}; + // ---------------------------------------------------------------------------- // (pseudo)template list classes // ---------------------------------------------------------------------------- @@ -94,12 +131,13 @@ public: // creating the window // ------------------- - // default ctor - wxWindowBase() { InitBase(); } + // default ctor, initializes everything which can be initialized before + // Create() + wxWindowBase() ; // pseudo ctor (can't be virtual, called from ctor) bool CreateBase(wxWindowBase *parent, - wxWindowID id, + wxWindowID winid, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, @@ -108,30 +146,20 @@ public: virtual ~wxWindowBase(); -#if wxUSE_WX_RESOURCES - // these functions are implemented in resource.cpp and resourc2.cpp - virtual bool LoadFromResource(wxWindow *parent, - const wxString& resourceName, - const wxResourceTable *table = (const wxResourceTable *) NULL); - virtual wxControl *CreateItem(const wxItemResource* childResource, - const wxItemResource* parentResource, - const wxResourceTable *table = (const wxResourceTable *) NULL); -#endif // wxUSE_WX_RESOURCES - // deleting the window // ------------------- - // ask the window to close itself, return TRUE if the event handler + // ask the window to close itself, return true if the event handler // honoured our request - bool Close( bool force = FALSE ); + bool Close( bool force = false ); // the following functions delete the C++ objects (the window itself // or its children) as well as the GUI windows and normally should // never be used directly - // delete window unconditionally (dangerous!), returns TRUE if ok + // delete window unconditionally (dangerous!), returns true if ok virtual bool Destroy(); - // delete all children of this window, returns TRUE if ok + // delete all children of this window, returns true if ok bool DestroyChildren(); // is the window being deleted? @@ -159,9 +187,14 @@ public: 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 ; } + + // window id uniquely identifies the window among its siblings unless // it is -1 which means "don't care" - void SetId( wxWindowID id ) { m_windowId = id; } + 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 @@ -169,10 +202,10 @@ public: static int NewControlId() { return --ms_lastControlId; } // get the id of the control following the one with the given // (autogenerated) id - static int NextControlId(int id) { return id - 1; } + 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 id) { return id + 1; } + static int PrevControlId(int winid) { return winid + 1; } // moving/resizing // --------------- @@ -221,6 +254,8 @@ public: return wxPoint(w, h); } + void SetPosition( const wxPoint& pt ) { Move( pt ) ; } + void GetSize( int *w, int *h ) const { DoGetSize(w, h); } wxSize GetSize() const { @@ -358,14 +393,14 @@ public: // window state // ------------ - // returns TRUE if window was shown/hidden, FALSE if the nothing was + // returns true if window was shown/hidden, false if the nothing was // done (window was already shown/hidden) - virtual bool Show( bool show = TRUE ); - bool Hide() { return Show(FALSE); } + virtual bool Show( bool show = true ); + bool Hide() { return Show(false); } - // returns TRUE if window was enabled/disabled, FALSE if nothing done - virtual bool Enable( bool enable = TRUE ); - bool Disable() { return Enable(FALSE); } + // returns true if window was enabled/disabled, false if nothing done + virtual bool Enable( bool enable = true ); + bool Disable() { return Enable(false); } bool IsShown() const { return m_isShown; } bool IsEnabled() const { return m_isEnabled; } @@ -388,11 +423,24 @@ public: long GetExtraStyle() const { return m_exStyle; } // make the window modal (all other windows unresponsive) - virtual void MakeModal(bool modal = TRUE); + virtual void MakeModal(bool modal = true); virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; } virtual bool GetThemeEnabled() const { return m_themeEnabled; } + // Returns true if this class should have the background colour + // changed to match the parent window's theme. For example when a + // page is added to a notebook it and it's children may need to have + // the colours adjusted depending on the current theme settings, but + // not all windows/controls can do this without looking wrong. + virtual void ApplyParentThemeBackground(const wxColour& WXUNUSED(bg)) + { /* do nothing */ } + + // returns true if this window should inherit its parent colours on + // creation + virtual bool ShouldInheritColours() const { return false; } + + // focus and keyboard handling // --------------------------- @@ -434,6 +482,9 @@ public: const wxWindowList& GetChildren() const { return m_children; } wxWindowList& GetChildren() { return m_children; } + // needed just for extended runtime + const wxWindowList& GetWindowChildren() const { return GetChildren() ; } + // get the parent or the parent of the parent wxWindow *GetParent() const { return m_parent; } inline wxWindow *GetGrandParent() const; @@ -443,8 +494,8 @@ public: // it doesn't really change parent, use ReParent() instead void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; } - // change the real parent of this window, return TRUE if the parent - // was changed, FALSE otherwise (error or newParent == oldParent) + // change the real parent of this window, return true if the parent + // was changed, false otherwise (error or newParent == oldParent) virtual bool Reparent( wxWindowBase *newParent ); // implementation mostly @@ -456,11 +507,11 @@ public: // find window among the descendants of this one either by id or by // name (return NULL if not found) - wxWindow *FindWindow( long id ); + wxWindow *FindWindow( long winid ); wxWindow *FindWindow( const wxString& name ); // Find a window among any window (all return NULL if not found) - static wxWindow *FindWindowById( long id, const wxWindow *parent = NULL ); + static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL ); static wxWindow *FindWindowByName( const wxString& name, const wxWindow *parent = NULL ); static wxWindow *FindWindowByLabel( const wxString& label, @@ -479,11 +530,11 @@ public: // push/pop event handler: allows to chain a custom event handler to // alreasy existing ones void PushEventHandler( wxEvtHandler *handler ); - wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE ); + wxEvtHandler *PopEventHandler( bool deleteHandler = false ); // find the given handler in the event handler chain and remove (but - // not delete) it from the event handler chain, return TRUE if it was - // found and FALSE otherwise (this also results in an assert failure so + // not delete) it from the event handler chain, return true if it was + // found and false otherwise (this also results in an assert failure so // this function should only be called when the handler is supposed to // be there) bool RemoveEventHandler(wxEvtHandler *handler); @@ -502,7 +553,7 @@ public: // dialog oriented functions // ------------------------- - // validate the correctness of input, return TRUE if ok + // validate the correctness of input, return true if ok virtual bool Validate(); // transfer data between internal and GUI representations @@ -518,8 +569,18 @@ public: { m_acceleratorTable = accel; } wxAcceleratorTable *GetAcceleratorTable() { return &m_acceleratorTable; } + #endif // wxUSE_ACCEL +#if wxUSE_HOTKEY + // hot keys (system wide accelerators) + // ----------------------------------- + + virtual bool RegisterHotKey(int hotkeyId, int modifiers, int keycode); + virtual bool UnregisterHotKey(int hotkeyId); +#endif // wxUSE_HOTKEY + + // dialog units translations // ------------------------- @@ -564,17 +625,17 @@ public: // mark the specified rectangle (or the whole window) as "dirty" so it // will be repainted - virtual void Refresh( bool eraseBackground = TRUE, + virtual void Refresh( bool eraseBackground = true, const wxRect *rect = (const wxRect *) NULL ) = 0; // a less awkward wrapper for Refresh - void RefreshRect(const wxRect& rect) { Refresh(TRUE, &rect); } + void RefreshRect(const wxRect& rect) { Refresh(true, &rect); } // repaint all invalid areas of the window immediately virtual void Update() { } - // clear the window entirely - virtual void Clear() = 0; + // clear the window background + virtual void ClearBackground(); // freeze the window: don't redraw it until it is thawed virtual void Freeze() { } @@ -606,25 +667,40 @@ public: // colours, fonts and cursors // -------------------------- + // get the default attributes for the controls of this class: we + // provide a virtual function which can be used to query the default + // attributes of an existing control and a static function which can + // be used even when no existing object of the given class is + // available, but which won't return any styles specific to this + // particular control, of course (e.g. "Ok" button might have + // different -- bold for example -- font) + virtual wxVisualAttributes GetDefaultAttributes() const + { + return GetClassDefaultAttributes(GetWindowVariant()); + } + + static wxVisualAttributes + GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL); + // set/retrieve the window colours (system defaults are used by - // default): Set functions return TRUE if colour was changed + // default): Set functions return true if colour was changed virtual bool SetBackgroundColour( const wxColour &colour ); virtual bool SetForegroundColour( const wxColour &colour ); - wxColour GetBackgroundColour() const { return m_backgroundColour; } - wxColour GetForegroundColour() const { return m_foregroundColour; } + wxColour GetBackgroundColour() const; + wxColour GetForegroundColour() const; - // set/retrieve the cursor for this window (SetCursor() returns TRUE + // set/retrieve the cursor for this window (SetCursor() returns true // if the cursor was really changed) virtual bool SetCursor( const wxCursor &cursor ); const wxCursor& GetCursor() const { return m_cursor; } wxCursor& GetCursor() { return m_cursor; } - // set/retrieve the font for the window (SetFont() returns TRUE if the + // set/retrieve the font for the window (SetFont() returns true if the // font really changed) virtual bool SetFont( const wxFont &font ) = 0; - const wxFont& GetFont() const { return m_font; } - wxFont& GetFont() { return m_font; } + const wxFont& GetFont() const { return DoGetFont(); } + wxFont& GetFont() { return DoGetFont(); } #if wxUSE_CARET // associate a caret with the window @@ -682,11 +758,19 @@ public: // misc // ---- - // get the window border style: uses the current style and falls back to - // the default style for this class otherwise (see GetDefaultBorder()) - wxBorder GetBorder() const; + // get the window border style from the given flags: this is different from + // simply doing flags & wxBORDER_MASK because it uses GetDefaultBorder() to + // translate wxBORDER_DEFAULT to something reasonable + wxBorder GetBorder(long flags) const; - void UpdateWindowUI(); + // get border for the flags of this window + wxBorder GetBorder() const { return GetBorder(GetWindowStyleFlag()); } + + // send wxUpdateUIEvents to this window, and children if recurse is true + virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE); + + // do the window-specific processing after processing the update event + virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ; #if wxUSE_MENUS bool PopupMenu( wxMenu *menu, const wxPoint& pos ) @@ -710,8 +794,8 @@ public: int pos, int thumbvisible, int range, - bool refresh = TRUE ) = 0; - virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0; + bool refresh = true ) = 0; + virtual void SetScrollPos( int orient, int pos, bool refresh = true ) = 0; virtual int GetScrollPos( int orient ) const = 0; virtual int GetScrollThumb( int orient ) const = 0; virtual int GetScrollRange( int orient ) const = 0; @@ -722,9 +806,9 @@ public: // scrolls window by line/page: note that not all controls support this // - // return TRUE if the position changed, FALSE otherwise - virtual bool ScrollLines(int WXUNUSED(lines)) { return FALSE; } - virtual bool ScrollPages(int WXUNUSED(pages)) { return FALSE; } + // return true if the position changed, false otherwise + virtual bool ScrollLines(int WXUNUSED(lines)) { return false; } + virtual bool ScrollPages(int WXUNUSED(pages)) { return false; } // convenient wrappers for ScrollLines/Pages bool LineUp() { return ScrollLines(-1); } @@ -757,6 +841,7 @@ public: void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); } // get the associated tooltip or NULL if none wxToolTip* GetToolTip() const { return m_tooltip; } + wxString GetToolTipText() const ; #endif // wxUSE_TOOLTIPS // drag and drop @@ -785,7 +870,7 @@ public: void ResetConstraints(); // these methods may be overriden for special layout algorithms - virtual void SetConstraintSizes(bool recurse = TRUE); + virtual void SetConstraintSizes(bool recurse = true); virtual bool LayoutPhase1(int *noChanges); virtual bool LayoutPhase2(int *noChanges); virtual bool DoPhase(int phase); @@ -809,25 +894,40 @@ public: virtual bool Layout(); // sizers - void SetSizer(wxSizer *sizer, bool deleteOld = TRUE ); - void SetSizerAndFit( wxSizer *sizer, bool deleteOld = TRUE ); + void SetSizer(wxSizer *sizer, bool deleteOld = true ); + void SetSizerAndFit( wxSizer *sizer, bool deleteOld = true ); wxSizer *GetSizer() const { return m_windowSizer; } // Track if this window is a member of a sizer - void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; } + void SetContainingSizer(wxSizer* sizer) + { + // adding a window to a sizer twice is going to result in fatal and + // hard to debug problems later because when deleting the second + // associated wxSizerItem we're going to dereference a dangling + // pointer; so try to detect this as early as possible + wxASSERT_MSG( !sizer || m_containingSizer != sizer, + _T("Adding a window to the same sizer twice?") ); + + m_containingSizer = sizer; + } wxSizer *GetContainingSizer() const { return m_containingSizer; } - // backward compatibility + // accessibility // ---------------------- -#if WXWIN_COMPATIBILITY - bool Enabled() const { return IsEnabled(); } +#if wxUSE_ACCESSIBILITY + // Override to create a specific accessible object. + virtual wxAccessible* CreateAccessible(); - void SetButtonFont(const wxFont& font) { SetFont(font); } - void SetLabelFont(const wxFont& font) { SetFont(font); } - wxFont& GetLabelFont() { return GetFont(); }; - wxFont& GetButtonFont() { return GetFont(); }; -#endif // WXWIN_COMPATIBILITY + // Sets the accessible object. + void SetAccessible(wxAccessible* accessible) ; + + // Returns the accessible object. + wxAccessible* GetAccessible() { return m_accessible; }; + + // Returns the accessible object, creating if necessary. + wxAccessible* GetOrCreateAccessible() ; +#endif // implementation // -------------- @@ -840,7 +940,14 @@ public: void OnHelp(wxHelpEvent& event); #endif // wxUSE_HELP - // get the haqndle of the window for the underlying window system: this + // virtual function for implementing internal idle + // behaviour + virtual void OnInternalIdle() {} + + // call internal idle recursively +// void ProcessInternalIdle() ; + + // 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 // platform-specific APIs virtual WXWidget GetHandle() const = 0; @@ -862,11 +969,19 @@ public: #endif // wxUSE_PALETTE protected: + // event handling specific to wxWindow + virtual bool TryValidator(wxEvent& event); + virtual bool TryParent(wxEvent& event); + + #if wxUSE_CONSTRAINTS // satisfy the constraints for the windows but don't set the window sizes void SatisfyConstraints(); #endif // wxUSE_CONSTRAINTS + // Send the wxWindowDestroyEvent + void SendDestroyEvent(); + // the window id - a number which uniquely identifies a window among // its siblings unless it is -1 wxWindowID m_windowId; @@ -898,8 +1013,9 @@ protected: // visual window attributes wxCursor m_cursor; - wxFont m_font; - wxColour m_backgroundColour, m_foregroundColour; + wxFont m_font; // see m_hasFont + wxColour m_backgroundColour, // m_hasBgCol + m_foregroundColour; // m_hasFgCol #if wxUSE_CARET wxCaret *m_caret; @@ -958,6 +1074,9 @@ protected: bool m_hasCustomPalette; #endif // wxUSE_PALETTE +#if wxUSE_ACCESSIBILITY + wxAccessible* m_accessible; +#endif // Virtual size (scrolling) wxSize m_virtualSize; @@ -965,17 +1084,15 @@ protected: int m_minVirtualHeight; int m_maxVirtualWidth; int m_maxVirtualHeight; - - // common part of all ctors: it is not virtual because it is called from - // ctor - void InitBase(); + + wxWindowVariant m_windowVariant ; // override this to change the default (i.e. used when no style is // specified) border for the window class virtual wxBorder GetDefaultBorder() const; - // get the default size for the new window if no explicit size given - // FIXME why 20 and not 30, 10 or ...? + // 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 == -1 ? 20 : w; } static int HeightDefault(int h) { return h == -1 ? 20 : h; } @@ -1060,19 +1177,26 @@ protected: virtual bool DoPopupMenu( wxMenu *menu, int x, int y ) = 0; #endif // wxUSE_MENUS - // Makes an adjustment to the window position (for example, a frame that has - // a toolbar that it manages itself). - virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const; + // Makes an adjustment to the window position to make it relative to the + // parents client area, e.g. if the parent is a frame with a toolbar, its + // (0, 0) is just below the toolbar + virtual void AdjustForParentClientOrigin(int& x, int& y, + int sizeFlags = 0) const; + // implements the window variants + virtual void DoSetWindowVariant( wxWindowVariant variant ) ; private: - // contains the last id generated by NewControlId static int ms_lastControlId; // the stack of windows which have captured the mouse static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext; + // implementation of both const and non-const versions of GetFont() + wxFont& DoGetFont() const; + + DECLARE_ABSTRACT_CLASS(wxWindowBase) DECLARE_NO_COPY_CLASS(wxWindowBase) DECLARE_EVENT_TABLE() @@ -1088,7 +1212,6 @@ private: #define wxWindowNative wxWindowMSW #else // !wxUniv #define wxWindowMSW wxWindow - #define sm_classwxWindowMSW sm_classwxWindow #endif // wxUniv/!wxUniv #include "wx/msw/window.h" #elif defined(__WXMOTIF__) @@ -1098,7 +1221,6 @@ private: #define wxWindowNative wxWindowGTK #else // !wxUniv #define wxWindowGTK wxWindow - #define sm_classwxWindowGTK sm_classwxWindow #endif // wxUniv #include "wx/gtk/window.h" #elif defined(__WXX11__) @@ -1106,7 +1228,6 @@ private: #define wxWindowNative wxWindowX11 #else // !wxUniv #define wxWindowX11 wxWindow - #define sm_classwxWindowX11 sm_classwxWindow #endif // wxUniv #include "wx/x11/window.h" #elif defined(__WXMGL__) @@ -1114,7 +1235,6 @@ private: #define wxWindowNative wxWindowMGL #else // !wxUniv #define wxWindowMGL wxWindow - #define sm_classwxWindowMGL sm_classwxWindow #endif // wxUniv #include "wx/mgl/window.h" #elif defined(__WXMAC__) @@ -1122,15 +1242,20 @@ private: #define wxWindowNative wxWindowMac #else // !wxUniv #define wxWindowMac wxWindow - #define sm_classwxWindowMac sm_classwxWindow #endif // wxUniv #include "wx/mac/window.h" +#elif defined(__WXCOCOA__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowCocoa + #else // !wxUniv + #define wxWindowCocoa wxWindow + #endif // wxUniv + #include "wx/cocoa/window.h" #elif defined(__WXPM__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowOS2 #else // !wxUniv #define wxWindowOS2 wxWindow - #define sm_classwxWindowOS2 sm_classwxWindow #endif // wxUniv/!wxUniv #include "wx/os2/window.h" #endif @@ -1175,6 +1300,102 @@ WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win); // deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId() inline int NewControlId() { return wxWindowBase::NewControlId(); } +#if wxUSE_ACCESSIBILITY +// ---------------------------------------------------------------------------- +// accessible object for windows +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxWindowAccessible: public wxAccessible +{ +public: + wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); } + virtual ~wxWindowAccessible() {}; + +// Overridables + + // Can return either a child object, or an integer + // representing the child element, starting from 1. + virtual wxAccStatus HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject); + + // Returns the rectangle for this object (id = 0) or a child element (id > 0). + virtual wxAccStatus GetLocation(wxRect& rect, int elementId); + + // Navigates from fromId to toId/toObject. + virtual wxAccStatus Navigate(wxNavDir navDir, int fromId, + int* toId, wxAccessible** toObject); + + // Gets the name of the specified object. + virtual wxAccStatus GetName(int childId, wxString* name); + + // Gets the number of children. + virtual wxAccStatus GetChildCount(int* childCount); + + // Gets the specified child (starting from 1). + // If *child is NULL and return value is wxACC_OK, + // this means that the child is a simple element and + // not an accessible object. + virtual wxAccStatus GetChild(int childId, wxAccessible** child); + + // Gets the parent, or NULL. + virtual wxAccStatus GetParent(wxAccessible** parent); + + // Performs the default action. childId is 0 (the action for this object) + // or > 0 (the action for a child). + // Return wxACC_NOT_SUPPORTED if there is no default action for this + // window (e.g. an edit control). + virtual wxAccStatus DoDefaultAction(int childId); + + // Gets the default action for this object (0) or > 0 (the action for a child). + // Return wxACC_OK even if there is no action. actionName is the action, or the empty + // string if there is no action. + // The retrieved string describes the action that is performed on an object, + // not what the object does as a result. For example, a toolbar button that prints + // a document has a default action of "Press" rather than "Prints the current document." + virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName); + + // Returns the description for this object or a child. + virtual wxAccStatus GetDescription(int childId, wxString* description); + + // Returns help text for this object or a child, similar to tooltip text. + virtual wxAccStatus GetHelpText(int childId, wxString* helpText); + + // Returns the keyboard shortcut for this object or child. + // Return e.g. ALT+K + virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut); + + // Returns a role constant. + virtual wxAccStatus GetRole(int childId, wxAccRole* role); + + // Returns a state constant. + virtual wxAccStatus GetState(int childId, long* state); + + // Returns a localized string representing the value for the object + // or child. + virtual wxAccStatus GetValue(int childId, wxString* strValue); + + // Selects the object or child. + virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags); + + // Gets the window with the keyboard focus. + // If childId is 0 and child is NULL, no object in + // this subhierarchy has the focus. + // If this object has the focus, child should be 'this'. + virtual wxAccStatus GetFocus(int* childId, wxAccessible** child); + + // Gets a variant representing the selected children + // of this object. + // Acceptable values: + // - a null variant (IsNull() returns true) + // - a list variant (GetType() == wxT("list") + // - an integer representing the selected child element, + // 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_ACCESSIBILITY + + #endif // _WX_WINDOW_H_BASE_