/////////////////////////////////////////////////////////////////////////////
// Name: wx/access.h
// Purpose: Accessibility classes
// Author: Julian Smart
// Modified by:
// Created: 2003-02-12
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_ACCESSBASE_H_
#define _WX_ACCESSBASE_H_
// ----------------------------------------------------------------------------
// headers we have to include here
// ----------------------------------------------------------------------------
#include "wx/defs.h"
#if wxUSE_ACCESSIBILITY
#include "wx/variant.h"
enum wxAccStatus
{
wxACC_FAIL,
wxACC_FALSE,
wxACC_OK,
wxACC_NOT_IMPLEMENTED,
wxACC_NOT_SUPPORTED,
wxACC_INVALID_ARG
};
// Child ids are integer identifiers from 1 up.
// So zero represents 'this' object.
#define wxACC_SELF 0
// Navigation constants
enum wxNavDir
{
wxNAVDIR_DOWN,
wxNAVDIR_FIRSTCHILD,
wxNAVDIR_LASTCHILD,
wxNAVDIR_LEFT,
wxNAVDIR_NEXT,
wxNAVDIR_PREVIOUS,
wxNAVDIR_RIGHT,
wxNAVDIR_UP
};
// Role constants
enum wxAccRole {
wxROLE_NONE,
wxROLE_SYSTEM_ALERT,
wxROLE_SYSTEM_ANIMATION,
wxROLE_SYSTEM_APPLICATION,
wxROLE_SYSTEM_BORDER,
wxROLE_SYSTEM_BUTTONDROPDOWN,
wxROLE_SYSTEM_BUTTONDROPDOWNGRID,
wxROLE_SYSTEM_BUTTONMENU,
wxROLE_SYSTEM_CARET,
wxROLE_SYSTEM_CELL,
wxROLE_SYSTEM_CHARACTER,
wxROLE_SYSTEM_CHART,
wxROLE_SYSTEM_CHECKBUTTON,
wxROLE_SYSTEM_CLIENT,
wxROLE_SYSTEM_CLOCK,
wxROLE_SYSTEM_COLUMN,
wxROLE_SYSTEM_COLUMNHEADER,
wxROLE_SYSTEM_COMBOBOX,
wxROLE_SYSTEM_CURSOR,
wxROLE_SYSTEM_DIAGRAM,
wxROLE_SYSTEM_DIAL,
wxROLE_SYSTEM_DIALOG,
wxROLE_SYSTEM_DOCUMENT,
wxROLE_SYSTEM_DROPLIST,
wxROLE_SYSTEM_EQUATION,
wxROLE_SYSTEM_GRAPHIC,
wxROLE_SYSTEM_GRIP,
wxROLE_SYSTEM_GROUPING,
wxROLE_SYSTEM_HELPBALLOON,
wxROLE_SYSTEM_HOTKEYFIELD,
wxROLE_SYSTEM_INDICATOR,
wxROLE_SYSTEM_LINK,
wxROLE_SYSTEM_LIST,
wxROLE_SYSTEM_LISTITEM,
wxROLE_SYSTEM_MENUBAR,
wxROLE_SYSTEM_MENUITEM,
wxROLE_SYSTEM_MENUPOPUP,
wxROLE_SYSTEM_OUTLINE,
wxROLE_SYSTEM_OUTLINEITEM,
wxROLE_SYSTEM_PAGETAB,
wxROLE_SYSTEM_PAGETABLIST,
wxROLE_SYSTEM_PANE,
wxROLE_SYSTEM_PROGRESSBAR,
wxROLE_SYSTEM_PROPERTYPAGE,
wxROLE_SYSTEM_PUSHBUTTON,
wxROLE_SYSTEM_RADIOBUTTON,
wxROLE_SYSTEM_ROW,
wxROLE_SYSTEM_ROWHEADER,
wxROLE_SYSTEM_SCROLLBAR,
wxROLE_SYSTEM_SEPARATOR,
wxROLE_SYSTEM_SLIDER,
wxROLE_SYSTEM_SOUND,
wxROLE_SYSTEM_SPINBUTTON,
wxROLE_SYSTEM_STATICTEXT,
wxROLE_SYSTEM_STATUSBAR,
wxROLE_SYSTEM_TABLE,
wxROLE_SYSTEM_TEXT,
wxROLE_SYSTEM_TITLEBAR,
wxROLE_SYSTEM_TOOLBAR,
wxROLE_SYSTEM_TOOLTIP,
wxROLE_SYSTEM_WHITESPACE,
wxROLE_SYSTEM_WINDOW
};
// Object types
enum wxAccObject {
wxOBJID_WINDOW = 0x00000000,
wxOBJID_SYSMENU = 0xFFFFFFFF,
wxOBJID_TITLEBAR = 0xFFFFFFFE,
wxOBJID_MENU = 0xFFFFFFFD,
wxOBJID_CLIENT = 0xFFFFFFFC,
wxOBJID_VSCROLL = 0xFFFFFFFB,
wxOBJID_HSCROLL = 0xFFFFFFFA,
wxOBJID_SIZEGRIP = 0xFFFFFFF9,
wxOBJID_CARET = 0xFFFFFFF8,
wxOBJID_CURSOR = 0xFFFFFFF7,
wxOBJID_ALERT = 0xFFFFFFF6,
wxOBJID_SOUND = 0xFFFFFFF5
};
// Accessible states
#define wxACC_STATE_SYSTEM_ALERT_HIGH 0x00000001
#define wxACC_STATE_SYSTEM_ALERT_MEDIUM 0x00000002
#define wxACC_STATE_SYSTEM_ALERT_LOW 0x00000004
#define wxACC_STATE_SYSTEM_ANIMATED 0x00000008
#define wxACC_STATE_SYSTEM_BUSY 0x00000010
#define wxACC_STATE_SYSTEM_CHECKED 0x00000020
#define wxACC_STATE_SYSTEM_COLLAPSED 0x00000040
#define wxACC_STATE_SYSTEM_DEFAULT 0x00000080
#define wxACC_STATE_SYSTEM_EXPANDED 0x00000100
#define wxACC_STATE_SYSTEM_EXTSELECTABLE 0x00000200
#define wxACC_STATE_SYSTEM_FLOATING 0x00000400
#define wxACC_STATE_SYSTEM_FOCUSABLE 0x00000800
#define wxACC_STATE_SYSTEM_FOCUSED 0x00001000
#define wxACC_STATE_SYSTEM_HOTTRACKED 0x00002000
#define wxACC_STATE_SYSTEM_INVISIBLE 0x00004000
#define wxACC_STATE_SYSTEM_MARQUEED 0x00008000
#define wxACC_STATE_SYSTEM_MIXED 0x00010000
#define wxACC_STATE_SYSTEM_MULTISELECTABLE 0x00020000
#define wxACC_STATE_SYSTEM_OFFSCREEN 0x00040000
#define wxACC_STATE_SYSTEM_PRESSED 0x00080000
#define wxACC_STATE_SYSTEM_PROTECTED 0x00100000
#define wxACC_STATE_SYSTEM_READONLY 0x00200000
#define wxACC_STATE_SYSTEM_SELECTABLE 0x00400000
#define wxACC_STATE_SYSTEM_SELECTED 0x00800000
#define wxACC_STATE_SYSTEM_SELFVOICING 0x01000000
#define wxACC_STATE_SYSTEM_UNAVAILABLE 0x02000000
// Selection flag
enum wxAccSelectionFlags
{
wxACC_SEL_NONE = 0,
wxACC_SEL_TAKEFOCUS = 1,
wxACC_SEL_TAKESELECTION = 2,
wxACC_SEL_EXTENDSELECTION = 4,
wxACC_SEL_ADDSELECTION = 8,
wxACC_SEL_REMOVESELECTION = 16
};
// Accessibility event identifiers
#define wxACC_EVENT_SYSTEM_SOUND 0x0001
#define wxACC_EVENT_SYSTEM_ALERT 0x0002
#define wxACC_EVENT_SYSTEM_FOREGROUND 0x0003
#define wxACC_EVENT_SYSTEM_MENUSTART 0x0004
#define wxACC_EVENT_SYSTEM_MENUEND 0x0005
#define wxACC_EVENT_SYSTEM_MENUPOPUPSTART 0x0006
#define wxACC_EVENT_SYSTEM_MENUPOPUPEND 0x0007
#define wxACC_EVENT_SYSTEM_CAPTURESTART 0x0008
#define wxACC_EVENT_SYSTEM_CAPTUREEND 0x0009
#define wxACC_EVENT_SYSTEM_MOVESIZESTART 0x000A
#define wxACC_EVENT_SYSTEM_MOVESIZEEND 0x000B
#define wxACC_EVENT_SYSTEM_CONTEXTHELPSTART 0x000C
#define wxACC_EVENT_SYSTEM_CONTEXTHELPEND 0x000D
#define wxACC_EVENT_SYSTEM_DRAGDROPSTART 0x000E
#define wxACC_EVENT_SYSTEM_DRAGDROPEND 0x000F
#define wxACC_EVENT_SYSTEM_DIALOGSTART 0x0010
#define wxACC_EVENT_SYSTEM_DIALOGEND 0x0011
#define wxACC_EVENT_SYSTEM_SCROLLINGSTART 0x0012
#define wxACC_EVENT_SYSTEM_SCROLLINGEND 0x0013
#define wxACC_EVENT_SYSTEM_SWITCHSTART 0x0014
#define wxACC_EVENT_SYSTEM_SWITCHEND 0x0015
#define wxACC_EVENT_SYSTEM_MINIMIZESTART 0x0016
#define wxACC_EVENT_SYSTEM_MINIMIZEEND 0x0017
#define wxACC_EVENT_OBJECT_CREATE 0x8000
#define wxACC_EVENT_OBJECT_DESTROY 0x8001
#define wxACC_EVENT_OBJECT_SHOW 0x8002
#define wxACC_EVENT_OBJECT_HIDE 0x8003
#define wxACC_EVENT_OBJECT_REORDER 0x8004
#define wxACC_EVENT_OBJECT_FOCUS 0x8005
#define wxACC_EVENT_OBJECT_SELECTION 0x8006
#define wxACC_EVENT_OBJECT_SELECTIONADD 0x8007
#define wxACC_EVENT_OBJECT_SELECTIONREMOVE 0x8008
#define wxACC_EVENT_OBJECT_SELECTIONWITHIN 0x8009
#define wxACC_EVENT_OBJECT_STATECHANGE 0x800A
#define wxACC_EVENT_OBJECT_LOCATIONCHANGE 0x800B
#define wxACC_EVENT_OBJECT_NAMECHANGE 0x800C
#define wxACC_EVENT_OBJECT_DESCRIPTIONCHANGE 0x800D
#define wxACC_EVENT_OBJECT_VALUECHANGE 0x800E
#define wxACC_EVENT_OBJECT_PARENTCHANGE 0x800F
#define wxACC_EVENT_OBJECT_HELPCHANGE 0x8010
#define wxACC_EVENT_OBJECT_DEFACTIONCHANGE 0x8011
#define wxACC_EVENT_OBJECT_ACCELERATORCHANGE 0x8012
// ----------------------------------------------------------------------------
// wxAccessible
// All functions return an indication of success, failure, or not implemented.
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_CORE wxAccessible;
class WXDLLIMPEXP_FWD_CORE wxWindow;
class WXDLLIMPEXP_FWD_CORE wxPoint;
class WXDLLIMPEXP_FWD_CORE wxRect;
class WXDLLIMPEXP_CORE wxAccessibleBase : public wxObject
{
wxDECLARE_NO_COPY_CLASS(wxAccessibleBase);
public:
wxAccessibleBase(wxWindow* win): m_window(win) {}
virtual ~wxAccessibleBase() {}
// Overridables
// Can return either a child object, or an integer
// representing the child element, starting from 1.
// pt is in screen coordinates.
virtual wxAccStatus HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
{ return wxACC_NOT_IMPLEMENTED; }
// Returns the rectangle for this object (id = 0) or a child element (id > 0).
// rect is in screen coordinates.
virtual wxAccStatus GetLocation(wxRect& WXUNUSED(rect), int WXUNUSED(elementId))
{ return wxACC_NOT_IMPLEMENTED; }
// Navigates from fromId to toId/toObject.
virtual wxAccStatus Navigate(wxNavDir WXUNUSED(navDir), int WXUNUSED(fromId),
int* WXUNUSED(toId), wxAccessible** WXUNUSED(toObject))
{ return wxACC_NOT_IMPLEMENTED; }
// Gets the name of the specified object.
virtual wxAccStatus GetName(int WXUNUSED(childId), wxString* WXUNUSED(name))
{ return wxACC_NOT_IMPLEMENTED; }
// Gets the number of children.
virtual wxAccStatus GetChildCount(int* WXUNUSED(childCount))
{ return wxACC_NOT_IMPLEMENTED; }
// 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 WXUNUSED(childId), wxAccessible** WXUNUSED(child))
{ return wxACC_NOT_IMPLEMENTED; }
// Gets the parent, or NULL.
virtual wxAccStatus GetParent(wxAccessible** WXUNUSED(parent))
{ return wxACC_NOT_IMPLEMENTED; }
// 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 WXUNUSED(childId))
{ return wxACC_NOT_IMPLEMENTED; }
// 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 WXUNUSED(childId), wxString* WXUNUSED(actionName))
{ return wxACC_NOT_IMPLEMENTED; }
// Returns the description for this object or a child.
virtual wxAccStatus GetDescription(int WXUNUSED(childId), wxString* WXUNUSED(description))
{ return wxACC_NOT_IMPLEMENTED; }
// Returns help text for this object or a child, similar to tooltip text.
virtual wxAccStatus GetHelpText(int WXUNUSED(childId), wxString* WXUNUSED(helpText))
{ return wxACC_NOT_IMPLEMENTED; }
// Returns the keyboard shortcut for this object or child.
// Return e.g. ALT+K
virtual wxAccStatus GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
{ return wxACC_NOT_IMPLEMENTED; }
// Returns a role constant.
virtual wxAccStatus GetRole(int WXUNUSED(childId), wxAccRole* WXUNUSED(role))
{ return wxACC_NOT_IMPLEMENTED; }
// Returns a state constant.
virtual wxAccStatus GetState(int WXUNUSED(childId), long* WXUNUSED(state))
{ return wxACC_NOT_IMPLEMENTED; }
// Returns a localized string representing the value for the object
// or child.
virtual wxAccStatus GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
{ return wxACC_NOT_IMPLEMENTED; }
// Selects the object or child.
virtual wxAccStatus Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
{ return wxACC_NOT_IMPLEMENTED; }
// 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* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
{ return wxACC_NOT_IMPLEMENTED; }
#if wxUSE_VARIANT
// 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* WXUNUSED(selections))
{ return wxACC_NOT_IMPLEMENTED; }
#endif // wxUSE_VARIANT
// Accessors
// Returns the window associated with this object.
wxWindow* GetWindow() { return m_window; }
// Sets the window associated with this object.
void SetWindow(wxWindow* window) { m_window = window; }
// Operations
// Each platform's implementation must define this
// static void NotifyEvent(int eventType, wxWindow* window, wxAccObject objectType,
// int objectId);
private:
// Data members
wxWindow* m_window;
};
// ----------------------------------------------------------------------------
// now include the declaration of the real class
// ----------------------------------------------------------------------------
#if defined(__WXMSW__)
#include "wx/msw/ole/access.h"
#endif
#endif // wxUSE_ACCESSIBILITY
#endif // _WX_ACCESSBASE_H_
