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

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