103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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WindowAccessible
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David Bailes
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**********************************************************************/
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#ifndef __AUDACITY_WINDOW_ACCESSIBLE__
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#define __AUDACITY_WINDOW_ACCESSIBLE__
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#include <wx/setup.h> // for wxUSE_* macros
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#if wxUSE_ACCESSIBILITY
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#include <wx/access.h> // to inherit
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#include <Internat.h> // for TranslatableString
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class AUDACITY_DLL_API WindowAccessible: public wxAccessible
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{
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public:
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WindowAccessible(wxWindow* win);
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virtual ~WindowAccessible() {}
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wxAccStatus GetName(int childId, wxString* name) override;
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};
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class AUDACITY_DLL_API SliderAx final : public WindowAccessible
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{
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public:
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SliderAx(wxWindow * window, const TranslatableString &fmt);
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virtual ~ SliderAx();
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// Retrieves the address of an IDispatch interface for the specified child.
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// All objects must support this property.
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wxAccStatus GetChild(int childId, wxAccessible** child) override;
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// Gets the number of children.
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wxAccStatus GetChildCount(int* childCount) override;
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// Gets the default action for this object (0) or > 0 (the action for a child).
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// Return wxACC_OK even if there is no action. actionName is the action, or the empty
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// string if there is no action.
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// The retrieved string describes the action that is performed on an object,
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// not what the object does as a result. For example, a toolbar button that prints
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// a document has a default action of "Press" rather than "Prints the current document."
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wxAccStatus GetDefaultAction(int childId, wxString *actionName) override;
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// Returns the description for this object or a child.
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wxAccStatus GetDescription(int childId, wxString *description) override;
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// Gets the window with the keyboard focus.
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// If childId is 0 and child is NULL, no object in
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// this subhierarchy has the focus.
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// If this object has the focus, child should be 'this'.
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wxAccStatus GetFocus(int *childId, wxAccessible **child) override;
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// Returns help text for this object or a child, similar to tooltip text.
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wxAccStatus GetHelpText(int childId, wxString *helpText) override;
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// Returns the keyboard shortcut for this object or child.
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// Return e.g. ALT+K
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wxAccStatus GetKeyboardShortcut(int childId, wxString *shortcut) override;
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// Returns the rectangle for this object (id = 0) or a child element (id > 0).
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// rect is in screen coordinates.
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wxAccStatus GetLocation(wxRect& rect, int elementId) override;
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// Gets the name of the specified object.
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wxAccStatus GetName(int childId, wxString *name) override;
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// Returns a role constant.
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wxAccStatus GetRole(int childId, wxAccRole *role) override;
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// Gets a variant representing the selected children
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// of this object.
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// Acceptable values:
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// - a null variant (IsNull() returns TRUE)
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// - a list variant (GetType() == wxT("list"))
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// - an integer representing the selected child element,
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// or 0 if this object is selected (GetType() == wxT("long"))
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// - a "void*" pointer to a wxAccessible child object
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wxAccStatus GetSelections(wxVariant *selections) override;
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// Returns a state constant.
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wxAccStatus GetState(int childId, long* state) override;
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// Returns a localized string representing the value for the object
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// or child.
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wxAccStatus GetValue(int childId, wxString* strValue) override;
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private:
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wxWindow *mParent;
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TranslatableString mFmt;
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};
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#endif // wxUSE_ACCESSIBILITY
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#endif // __AUDACITY_WINDOW_ACCESSIBLE__
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