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#ifndef __eventhandler__hh
#define __eventhandler__hh
extern "C" {
#include <X11/Xlib.h>
}
namespace otk {
class OtkEventHandler{
public:
//! Dispatches events to one of the other handlers based on their type.
virtual void handle(const XEvent &e);
//! Called whenever any key is pressed.
virtual void keyPressHandler(const XKeyEvent &) {}
//! Called whenever any key is released.
virtual void keyReleaseHandler(const XKeyEvent &) {}
//! Called whenever a button of the pointer is pressed.
virtual void buttonPressHandler(const XButtonEvent &) {}
//! Called whenever a button of the pointer is released.
virtual void buttonReleaseHandler(const XButtonEvent &) {}
//! Called whenever the pointer enters a window.
virtual void enterHandler(const XCrossingEvent &) {}
//! Called whenever the pointer leaves a window.
virtual void leaveHandler(const XCrossingEvent &) {}
//! Called when a window gains focus.
virtual void focusHandler(const XFocusChangeEvent &) {}
//! Called when a window looses focus.
virtual void unfocusHandler(const XFocusChangeEvent &) {}
//! Called when a window becomes visible to the user.
virtual void exposeHandler(const XExposeEvent &) {}
//! Called to handle GraphicsExpose events.
virtual void graphicsExposeHandler(const XGraphicsExposeEvent &) {}
//! Called to handle NoExpose events.
virtual void noExposeEventHandler(const XNoExposeEvent &) {}
//! Called when the window requests a change in its z-order.
virtual void circulateRequestHandler(const XCirculateRequestEvent &)
{}
//! Called when a different client initiates a configure window request.
virtual void configureRequestHandler(const XConfigureRequestEvent &)
{}
//! Called when a different client tries to map a window.
virtual void mapRequestHandler(const XMapRequestEvent &) {}
//! Called when another client attemps to change the size of a window.
virtual void resizeRequestHandler(const XResizeRequestEvent &) {}
//! Called when the z-order of the window has changed.
virtual void circulateHandler(const XCirculateEvent &) {}
//! Called when the window as been reconfigured.
virtual void configureHandler(const XConfigureEvent &) {}
//! Called when a window is created.
virtual void createHandler(const XCreateWindowEvent &) {}
//! Called when a window is destroyed.
virtual void destroyHandler(const XDestroyWindowEvent &) {}
//! Called when a window is moved because of a change in the size of its
//! parent.
virtual void gravityHandler(const XGravityEvent &) {}
//! Called when a window is mapped.
virtual void mapHandler(const XMapEvent &) {}
//! Called when the server generats a MappingNotify event
virtual void mappingHandler(const XMappingEvent &) {}
//! Called when a window is reparented
virtual void reparentHandler(const XReparentEvent &) {}
//! Called when a window is unmapped
virtual void unmapHandler(const XUnmapEvent &) {}
//! Called when a the visibilty of a window changes
virtual void visibilityHandler(const XVisibilityEvent &) {}
//! Called when the colormap changes, or is installed or unistalled
virtual void colorMapHandler(const XColormapEvent &) {}
//! Called when a client calls XSendEvent
virtual void clientMessageHandler(const XClientMessageEvent &) {}
//! Called when a property of a window changes
virtual void propertyHandler(const XPropertyEvent &) {}
//! Called when the client loses ownership of a selection
virtual void selectionClearHandler(const XSelectionClearEvent &) {}
//! Called when a ConvertSelection protocol request is sent
virtual void selectionHandler(const XSelectionEvent &) {}
//! Called when a SelectionEvent occurs
virtual void selectionRequestHandler(const XSelectionRequestEvent &) {}
virtual ~OtkEventHandler();
protected:
/*! Constructor for the XEventHandler class.
This is protected so that XEventHandlers can't be instantiated on their
own.
*/
OtkEventHandler();
private:
};
}
#endif
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