diff options
Diffstat (limited to 'include/events.h')
| -rw-r--r-- | include/events.h | 210 |
1 files changed, 5 insertions, 205 deletions
diff --git a/include/events.h b/include/events.h index 4b0c6dcb4..9f6a94c5b 100644 --- a/include/events.h +++ b/include/events.h @@ -24,212 +24,12 @@ #ifndef EVENTS_H #define EVENTS_H - -/** - * @file events.h - * This file describes the event structures used internally by the X - * server during event generation and event processing. - * - * When are internal events used? - * Events from input devices are stored as internal events in the EQ and - * processed as internal events until late in the processing cycle. Only then - * do they switch to their respective wire events. - */ - -/** - * Event types. Used exclusively internal to the server, not visible on the - * protocol. - * - * Note: Keep KeyPress to Motion aligned with the core events. - * Keep ET_Raw* in the same order as KeyPress - Motion - */ -enum { - ET_KeyPress = 2, - ET_KeyRelease, - ET_ButtonPress, - ET_ButtonRelease, - ET_Motion, - ET_Enter, - ET_Leave, - ET_FocusIn, - ET_FocusOut, - ET_ProximityIn, - ET_ProximityOut, - ET_DeviceChanged, - ET_Hierarchy, -#if XFreeXDGA - ET_DGAEvent, -#endif - ET_RawKeyPress, - ET_RawKeyRelease, - ET_RawButtonPress, - ET_RawButtonRelease, - ET_RawMotion, - ET_Internal = 0xFF /* First byte */ -} EventType; - -#define CHECKEVENT(ev) if (ev && ((InternalEvent*)(ev))->any.header != 0xFF) \ - FatalError("Wrong event type %d.\n", \ - ((InternalEvent*)(ev))->any.header); - -/** - * Used for ALL input device events internal in the server until - * copied into the matching protocol event. - * - * Note: We only use the device id because the DeviceIntPtr may become invalid while - * the event is in the EQ. - */ -typedef struct -{ - unsigned char header; /**< Always ET_Internal */ - int type; /**< One of EventType */ - int length; /**< Length in bytes */ - Time time; /**< Time in ms */ - int deviceid; /**< Device to post this event for */ - int sourceid; /**< The physical source device */ - union { - uint32_t button; /**< Button number */ - uint32_t key; /**< Key code */ - } detail; - uint16_t root_x; /**< Pos relative to root window in integral data */ - float root_x_frac; /**< Pos relative to root window in frac part */ - uint16_t root_y; /**< Pos relative to root window in integral part */ - float root_y_frac; /**< Pos relative to root window in frac part */ - uint8_t buttons[(MAX_BUTTONS + 7)/8]; /**< Button mask */ - struct { - uint8_t mask[(MAX_VALUATORS + 7)/8]; /**< Valuator mask */ - uint8_t mode[(MAX_VALUATORS + 7)/8]; /**< Valuator mode (Abs or Rel)*/ - uint32_t data[MAX_VALUATORS]; /**< Valuator data */ - int32_t data_frac[MAX_VALUATORS]; /**< Fractional part for data */ - } valuators; - struct { - uint32_t base; /**< XKB base modifiers */ - uint32_t latched; /**< XKB latched modifiers */ - uint32_t locked; /**< XKB locked modifiers */ - uint32_t effective;/**< XKB effective modifiers */ - } mods; - struct { - uint8_t base; /**< XKB base group */ - uint8_t latched; /**< XKB latched group */ - uint8_t locked; /**< XKB locked group */ - uint8_t effective;/**< XKB effective group */ - } group; - Window root; /**< Root window of the event */ - int corestate; /**< Core key/button state BEFORE the event */ -} DeviceEvent; - - -/* Flags used in DeviceChangedEvent to signal if new/old slave is present. */ -#define DEVCHANGE_HAS_OLD_SLAVE 0x1 -#define DEVCHANGE_HAS_NEW_SLAVE 0x2 -/* Flags used in DeviceChangedEvent to signal whether the event was a - * pointer event or a keyboard event */ -#define DEVCHANGE_POINTER_EVENT 0x4 -#define DEVCHANGE_KEYBOARD_EVENT 0x8 -/* device capabilities changed */ -#define DEVCHANGE_DEVICE_CHANGE 0x10 - -/** - * Sent whenever a device's capabilities have changed. - */ -typedef struct -{ - unsigned char header; /**< Always ET_Internal */ - int type; /**< ET_DeviceChanged */ - int length; /**< Length in bytes */ - Time time; /**< Time in ms */ - int deviceid; /**< Device whose capabilities have changed */ - int flags; /**< Mask of ::HAS_OLD_SLAVE, ::HAS_NEW_SLAVE, - ::POINTER_EVENT, ::KEYBOARD_EVENT */ - /** If flags & HAS_OLD_SLAVE is set, old_slaveid specifies SD previously - * attached to this device. */ - int old_slaveid; - /** If flags & HAS_OLD_SLAVE is set, old_slaveid specifies device now - * attached to this device. */ - int new_slaveid; - - struct { - int num_buttons; /**< Number of buttons */ - Atom names[MAX_BUTTONS];/**< Button names */ - } buttons; - - int num_valuators; /**< Number of axes */ - struct { - uint32_t min; /**< Minimum value */ - uint32_t max; /**< Maximum value */ - /* FIXME: frac parts of min/max */ - uint32_t resolution; /**< Resolution counts/m */ - uint8_t mode; /**< Relative or Absolute */ - Atom name; /**< Axis name */ - } valuators[MAX_VALUATORS]; - - struct { - int min_keycode; - int max_keycode; - } keys; -} DeviceChangedEvent; - -#if XFreeXDGA -/** - * DGAEvent, used by DGA to intercept and emulate input events. - */ -typedef struct -{ - unsigned char header; /**< Always ET_Internal */ - int type; /**< ET_DGAEvent */ - int length; /**< Length in bytes */ - Time time; /**< Time in ms */ - int subtype; /**< KeyPress, KeyRelease, ButtonPress, - ButtonRelease, MotionNotify */ - int detail; /**< Relative x coordinate */ - int dx; /**< Relative x coordinate */ - int dy; /**< Relative y coordinate */ - int screen; /**< Screen number this event applies to */ - uint16_t state; /**< Core modifier/button state */ -} DGAEvent; -#endif - -/** - * Raw event, contains the data as posted by the device. - */ -typedef struct -{ - unsigned char header; /**< Always ET_Internal */ - int type; /**< ET_Raw */ - int length; /**< Length in bytes */ - Time time; /**< Time in ms */ - int deviceid; /**< Device to post this event for */ - int sourceid; /**< The physical source device */ - union { - uint32_t button; /**< Button number */ - uint32_t key; /**< Key code */ - } detail; - struct { - uint8_t mask[(MAX_VALUATORS + 7)/8]; /**< Valuator mask */ - int32_t data[MAX_VALUATORS]; /**< Valuator data */ - int32_t data_frac[MAX_VALUATORS]; /**< Fractional part for data */ - int32_t data_raw[MAX_VALUATORS]; /**< Valuator data as posted */ - int32_t data_raw_frac[MAX_VALUATORS];/**< Fractional part for data_raw */ - } valuators; -} RawDeviceEvent; - -/** - * Event type used inside the X server for input event - * processing. - */ -typedef union { - struct { - unsigned char header; /**< Always ET_Internal */ - int type; /**< One of ET_* */ - int length; /**< Length in bytes */ - Time time; /**< Time in ms. */ - } any; - DeviceEvent device; - DeviceChangedEvent changed; +typedef struct _DeviceEvent DeviceEvent; +typedef struct _DeviceChangedEvent DeviceChangedEvent; #if XFreeXDGA - DGAEvent dga; +typedef struct _DGAEvent DGAEvent; #endif - RawDeviceEvent raw; -} InternalEvent; +typedef struct _RawDeviceEvent RawDeviceEvent; +typedef union _InternalEvent InternalEvent; #endif |