event handling classes

1 files changed, 126 insertions, 0 deletions

diff --git a/otk/eventhandler.hh b/otk/eventhandler.hh
new file mode 100644
index 00000000..000efb53
--- /dev/null
+++ b/otk/eventhandler.hh
@@ -0,0 +1,126 @@
+#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.
+  int handle(const XEvent &e);
+
+  //! Called whenever any key is pressed.
+  virtual int keyPressHandler(const XKeyEvent &) {return 1;}
+
+  //! Called whenever any key is released.
+  virtual int keyReleaseHandler(const XKeyEvent &) {return 1;}
+
+  //! Called whenever a button of the pointer is pressed.
+  virtual int buttonPressHandler(const XButtonEvent &) {return 1;}
+
+  //! Called whenever a button of the pointer is released.
+  virtual int buttonReleaseHandler(const XButtonEvent &) {return 1;}
+
+  //! Called whenever the pointer enters a window.
+  virtual int enterHandler(const XCrossingEvent &) {return 1;}
+
+  //! Called whenever the pointer leaves a window.
+  virtual int leaveHandler(const XCrossingEvent &) {return 1;}
+
+  //! Called when a window gains focus.
+  virtual int focusHandler(const XFocusChangeEvent &) {return 1;}
+
+  //! Called when a window looses focus.
+  virtual int unfocusHandler(const XFocusChangeEvent &) {return 1;}
+
+  //! Called when a window becomes visible to the user.
+  virtual int exposeHandler(const XExposeEvent &) {return 1;}
+
+  //! Called to handle GraphicsExpose events.
+  virtual int graphicsExposeHandler(const XGraphicsExposeEvent &) {return 1;}
+
+  //! Called to handle NoExpose events.
+  virtual int noExposeEventHandler(const XNoExposeEvent &) {return 1;}
+
+  //! Called when the window requests a change in its z-order.
+  virtual int circulateRequestHandler(const XCirculateRequestEvent &)
+  {return 1;}
+
+  //! Called when a different client initiates a configure window request.
+  virtual int configureRequestHandler(const XConfigureRequestEvent &)
+  {return 1;}
+
+  //! Called when a different client tries to map a window.
+  virtual int mapRequestHandler(const XMapRequestEvent &) {return 1;}
+
+  //! Called when another client attemps to change the size of a window.
+  virtual int resizeRequestHandler(const XResizeRequestEvent &) {return 1;}
+
+  //! Called when the z-order of the window has changed.
+  virtual int circulateHandler(const XCirculateEvent &) {return 1;}
+
+  //! Called when the window as been reconfigured.
+  virtual int configureHandler(const XConfigureEvent &) {return 1;}
+
+  //! Called when a window is created.
+  virtual int createHandler(const XCreateWindowEvent &) {return 1;}
+
+  //! Called when a window is destroyed.
+  virtual int destroyHandler(const XDestroyWindowEvent &) {return 1;}
+
+  //! Called when a window is moved because of a change in the size of its 
+  //! parent.
+  virtual int gravityHandler(const XGravityEvent &) {return 1;}
+
+  //! Called when a window is mapped.
+  virtual int mapHandler(const XMapEvent &) {return 1;}
+
+  //! Called when the server generats a MappingNotify event
+  virtual int mappingHandler(const XMappingEvent &) {return 1;}
+
+  //! Called when a window is reparented
+  virtual int reparentHandler(const XReparentEvent &) {return 1;}
+
+  //! Called when a window is unmapped
+  virtual int unmapHandler(const XUnmapEvent &) {return 1;}
+
+  //! Called when a the visibilty of a window changes
+  virtual int visibilityHandler(const XVisibilityEvent &) {return 1;}
+
+  //! Called when the colormap changes, or is installed or unistalled
+  virtual int colorMapHandler(const XColormapEvent &) {return 1;}
+
+  //! Called when a client calls XSendEvent
+  virtual int clientMessageHandler(const XClientMessageEvent &) {return 1;}
+
+  //! Called when a property of a window changes
+  virtual int propertyHandler(const XPropertyEvent &) {return 1;}
+
+  //! Called when the client loses ownership of a selection
+  virtual int selectionClearHandler(const XSelectionClearEvent &) {return 1;}
+
+  //! Called when a ConvertSelection protocol request is sent
+  virtual int selectionHandler(const XSelectionEvent &) {return 1;}
+
+  //! Called when a SelectionEvent occurs
+  virtual int selectionRequestHandler(const XSelectionRequestEvent &)
+  {return 1;}
+
+  virtual ~OtkEventHandler();
+
+protected:
+  /*! Constructor for the XEventHandler class.
+    This is protected so that XEventHandlers can't be instantiated on their
+    own.
+  */
+  OtkEventHandler();
+
+private:
+};
+
+}
+
+#endif