Dogcows Code - chaz/openbox/blob - otk/eventhandler.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __eventhandler__hh
   3 #define __eventhandler__hh
   4
   5 extern "C" {
   6 #include <X11/Xlib.h>
   7
   8 #ifdef    SHAPE
   9 #include <X11/extensions/shape.h>
  10 #endif // SHAPE
  11
  12 #ifdef    XKB
  13 #include <X11/XKBlib.h>
  14 #endif // XKB
  15
  16 }
  17
  18 namespace otk {
  19
  20 class EventHandler {
  21 public:
  22   //! Dispatches events to one of the other handlers based on their type.
  23   virtual void handle(const XEvent &e);
  24
  25   //! Called whenever any key is pressed.
  26   virtual void keyPressHandler(const XKeyEvent &) {}
  27
  28   //! Called whenever any key is released.
  29   virtual void keyReleaseHandler(const XKeyEvent &) {}
  30
  31   //! Called whenever a button of the pointer is pressed.
  32   virtual void buttonPressHandler(const XButtonEvent &) {}
  33
  34   //! Called whenever a button of the pointer is released.
  35   virtual void buttonReleaseHandler(const XButtonEvent &) {}
  36
  37   //! Called whenever the pointer moved
  38   virtual void motionHandler(const XMotionEvent &) {}
  39
  40   //! Called whenever the pointer enters a window.
  41   virtual void enterHandler(const XCrossingEvent &) {}
  42
  43   //! Called whenever the pointer leaves a window.
  44   virtual void leaveHandler(const XCrossingEvent &) {}
  45
  46   //! Called when a window gains focus.
  47   virtual void focusHandler(const XFocusChangeEvent &) {}
  48
  49   //! Called when a window looses focus.
  50   virtual void unfocusHandler(const XFocusChangeEvent &) {}
  51
  52   //! Called when a window becomes visible to the user.
  53   virtual void exposeHandler(const XExposeEvent &) {}
  54
  55   //! Called to handle GraphicsExpose events.
  56   virtual void graphicsExposeHandler(const XGraphicsExposeEvent &) {}
  57
  58   //! Called to handle NoExpose events.
  59   virtual void noExposeEventHandler(const XNoExposeEvent &) {}
  60
  61   //! Called when the window requests a change in its z-order.
  62   virtual void circulateRequestHandler(const XCirculateRequestEvent &)
  63   {}
  64
  65   //! Called when a different client initiates a configure window request.
  66   virtual void configureRequestHandler(const XConfigureRequestEvent &)
  67   {}
  68
  69   //! Called when a different client tries to map a window.
  70   virtual void mapRequestHandler(const XMapRequestEvent &) {}
  71
  72   //! Called when another client attemps to change the size of a window.
  73   virtual void resizeRequestHandler(const XResizeRequestEvent &) {}
  74
  75   //! Called when the z-order of the window has changed.
  76   virtual void circulateHandler(const XCirculateEvent &) {}
  77
  78   //! Called when the window as been reconfigured.
  79   virtual void configureHandler(const XConfigureEvent &) {}
  80
  81   //! Called when a window is created.
  82   virtual void createHandler(const XCreateWindowEvent &) {}
  83
  84   //! Called when a window is destroyed.
  85   virtual void destroyHandler(const XDestroyWindowEvent &) {}
  86
  87   //! Called when a window is moved because of a change in the size of its
  88   //! parent.
  89   virtual void gravityHandler(const XGravityEvent &) {}
  90
  91   //! Called when a window is mapped.
  92   virtual void mapHandler(const XMapEvent &) {}
  93
  94   //! Called when the server generats a MappingNotify event
  95   virtual void mappingHandler(const XMappingEvent &) {}
  96
  97   //! Called when a window is reparented
  98   virtual void reparentHandler(const XReparentEvent &) {}
  99
 100   //! Called when a window is unmapped
 101   virtual void unmapHandler(const XUnmapEvent &) {}
 102
 103   //! Called when a the visibilty of a window changes
 104   virtual void visibilityHandler(const XVisibilityEvent &) {}
 105
 106   //! Called when the colormap changes, or is installed or unistalled
 107   virtual void colorMapHandler(const XColormapEvent &) {}
 108
 109   //! Called when a property of a window changes
 110   virtual void propertyHandler(const XPropertyEvent &) {}
 111
 112   //! Called when the client loses ownership of a selection
 113   virtual void selectionClearHandler(const XSelectionClearEvent &) {}
 114
 115   //! Called when a ConvertSelection protocol request is sent
 116   virtual void selectionHandler(const XSelectionEvent &) {}
 117
 118   //! Called when a SelectionEvent occurs
 119   virtual void selectionRequestHandler(const XSelectionRequestEvent &) {}
 120
 121   //! Called when a client calls XSendEvent
 122   /*!
 123     Some types of client messages are filtered out and sent to more specific
 124     event handler functions.
 125   */
 126   virtual void clientMessageHandler(const XClientMessageEvent &);
 127
 128 #if defined(SHAPE) || defined(DOXYGEN_IGNORE)
 129   //! Called when a shape extension event fires
 130   virtual void shapeHandler(const XShapeEvent &) {}
 131 #endif // SHAPE
 132
 133 #if defined(XKB) || defined(DOXYGEN_IGNORE)
 134   //! Called when an xkb extension event fires
 135   virtual void xkbHandler(const XkbEvent &) {}
 136 #endif // XKB
 137
 138   virtual ~EventHandler();
 139
 140 protected:
 141   /*! Constructor for the EventHandler class.
 142     This is protected so that EventHandlers can't be instantiated on their
 143     own.
 144   */
 145   EventHandler();
 146
 147 private:
 148 };
 149
 150 }
 151
 152 #endif