/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see .
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GDK_EVENTS_PRIVATE_H__
#define __GDK_EVENTS_PRIVATE_H__
#include
#include
#include
#include
typedef struct _GdkEventAny GdkEventAny;
typedef struct _GdkEventMotion GdkEventMotion;
typedef struct _GdkEventButton GdkEventButton;
typedef struct _GdkEventTouch GdkEventTouch;
typedef struct _GdkEventScroll GdkEventScroll;
typedef struct _GdkEventKey GdkEventKey;
typedef struct _GdkEventFocus GdkEventFocus;
typedef struct _GdkEventCrossing GdkEventCrossing;
typedef struct _GdkEventConfigure GdkEventConfigure;
typedef struct _GdkEventProximity GdkEventProximity;
typedef struct _GdkEventDND GdkEventDND;
typedef struct _GdkEventSetting GdkEventSetting;
typedef struct _GdkEventGrabBroken GdkEventGrabBroken;
typedef struct _GdkEventTouchpadSwipe GdkEventTouchpadSwipe;
typedef struct _GdkEventTouchpadPinch GdkEventTouchpadPinch;
typedef struct _GdkEventPadButton GdkEventPadButton;
typedef struct _GdkEventPadAxis GdkEventPadAxis;
typedef struct _GdkEventPadGroupMode GdkEventPadGroupMode;
/*
* GdkEventAny:
* @type: the type of the event.
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
*
* Contains the fields which are common to all event structs.
* Any event pointer can safely be cast to a pointer to a #GdkEventAny to
* access these fields.
*/
struct _GdkEventAny
{
int ref_count;
GdkEventType type;
GdkSurface *surface;
guint32 time;
guint16 flags;
guint pointer_emulated : 1;
guint touch_emulating : 1;
guint scroll_is_stop : 1;
guint key_is_modifier : 1;
guint focus_in : 1;
GdkDevice *device;
GdkDevice *source_device;
};
/*
* GdkEventMotion:
* @type: the type of the event.
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @x: the x coordinate of the pointer relative to the surface.
* @y: the y coordinate of the pointer relative to the surface.
* @axes: @x, @y translated to the axes of @device, or %NULL if @device is
* the mouse.
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
* @device: the master device that the event originated from. Use
* gdk_event_get_source_device() to get the slave device.
* screen.
*
* Generated when the pointer moves.
*/
struct _GdkEventMotion
{
GdkEventAny any;
GdkModifierType state;
double x;
double y;
double *axes;
GdkDeviceTool *tool;
GList *history;
};
/*
* GdkEventButton:
* @type: the type of the event (%GDK_BUTTON_PRESS or %GDK_BUTTON_RELEASE).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @x: the x coordinate of the pointer relative to the surface.
* @y: the y coordinate of the pointer relative to the surface.
* @axes: @x, @y translated to the axes of @device, or %NULL if @device is
* the mouse.
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
* @button: the button which was pressed or released, numbered from 1 to 5.
* Normally button 1 is the left mouse button, 2 is the middle button,
* and 3 is the right button. On 2-button mice, the middle button can
* often be simulated by pressing both mouse buttons together.
* @device: the master device that the event originated from. Use
* gdk_event_get_source_device() to get the slave device.
* screen.
*
* Used for button press and button release events. The
* @type field will be one of %GDK_BUTTON_PRESS or %GDK_BUTTON_RELEASE,
*/
struct _GdkEventButton
{
GdkEventAny any;
GdkModifierType state;
guint button;
double x;
double y;
double *axes;
GdkDeviceTool *tool;
};
/*
* GdkEventTouch:
* @type: the type of the event (%GDK_TOUCH_BEGIN, %GDK_TOUCH_UPDATE,
* %GDK_TOUCH_END, %GDK_TOUCH_CANCEL)
* @surface: the surface which received the event
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @x: the x coordinate of the pointer relative to the surface
* @y: the y coordinate of the pointer relative to the surface
* @axes: @x, @y translated to the axes of @device, or %NULL if @device is
* the mouse
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType
* @sequence: the event sequence that the event belongs to
* @emulating_pointer: whether the event should be used for emulating
* pointer event
* @device: the master device that the event originated from. Use
* gdk_event_get_source_device() to get the slave device.
* screen
*
* Used for touch events.
* @type field will be one of %GDK_TOUCH_BEGIN, %GDK_TOUCH_UPDATE,
* %GDK_TOUCH_END or %GDK_TOUCH_CANCEL.
*
* Touch events are grouped into sequences by means of the @sequence
* field, which can also be obtained with gdk_event_get_event_sequence().
* Each sequence begins with a %GDK_TOUCH_BEGIN event, followed by
* any number of %GDK_TOUCH_UPDATE events, and ends with a %GDK_TOUCH_END
* (or %GDK_TOUCH_CANCEL) event. With multitouch devices, there may be
* several active sequences at the same time.
*/
struct _GdkEventTouch
{
GdkEventAny any;
GdkModifierType state;
double x;
double y;
double *axes;
GdkEventSequence *sequence;
};
/*
* GdkEventScroll:
* @type: the type of the event (%GDK_SCROLL).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @x: the x coordinate of the pointer relative to the surface.
* @y: the y coordinate of the pointer relative to the surface.
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
* @direction: the direction to scroll to (one of %GDK_SCROLL_UP,
* %GDK_SCROLL_DOWN, %GDK_SCROLL_LEFT, %GDK_SCROLL_RIGHT or
* %GDK_SCROLL_SMOOTH).
* @device: the master device that the event originated from. Use
* gdk_event_get_source_device() to get the slave device.
* @delta_x: the x coordinate of the scroll delta
* @delta_y: the y coordinate of the scroll delta
*
* Generated from button presses for the buttons 4 to 7. Wheel mice are
* usually configured to generate button press events for buttons 4 and 5
* when the wheel is turned.
*
* Some GDK backends can also generate “smooth” scroll events, which
* can be recognized by the %GDK_SCROLL_SMOOTH scroll direction. For
* these, the scroll deltas can be obtained with
* gdk_event_get_scroll_deltas().
*/
struct _GdkEventScroll
{
GdkEventAny any;
double x;
double y;
GdkModifierType state;
GdkScrollDirection direction;
double delta_x;
double delta_y;
GdkDeviceTool *tool;
};
typedef struct {
guint keyval;
GdkModifierType consumed;
guint layout;
guint level;
} GdkTranslatedKey;
/*
* GdkEventKey:
* @type: the type of the event (%GDK_KEY_PRESS or %GDK_KEY_RELEASE).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
* @keycode: the raw code of the key that was pressed or released.
* @translated: the result of translating @keycode. First with the full
* @state, then while ignoring Caps Lock.
*
* Describes a key press or key release event.
*/
struct _GdkEventKey
{
GdkEventAny any;
GdkModifierType state;
guint32 keycode;
GdkTranslatedKey translated[2];
};
/*
* GdkEventCrossing:
* @type: the type of the event (%GDK_ENTER_NOTIFY or %GDK_LEAVE_NOTIFY).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @child_surface: the surface that was entered or left.
* @time: the time of the event in milliseconds.
* @x: the x coordinate of the pointer relative to the surface.
* @y: the y coordinate of the pointer relative to the surface.
* @mode: the crossing mode (%GDK_CROSSING_NORMAL, %GDK_CROSSING_GRAB,
* %GDK_CROSSING_UNGRAB, %GDK_CROSSING_GTK_GRAB, %GDK_CROSSING_GTK_UNGRAB or
* %GDK_CROSSING_STATE_CHANGED). %GDK_CROSSING_GTK_GRAB, %GDK_CROSSING_GTK_UNGRAB,
* and %GDK_CROSSING_STATE_CHANGED were added in 2.14 and are always synthesized,
* never native.
* @detail: the kind of crossing that happened (%GDK_NOTIFY_INFERIOR,
* %GDK_NOTIFY_ANCESTOR, %GDK_NOTIFY_VIRTUAL, %GDK_NOTIFY_NONLINEAR or
* %GDK_NOTIFY_NONLINEAR_VIRTUAL).
* @focus: %TRUE if @surface is the focus surface or an inferior.
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
*
* Generated when the pointer enters or leaves a surface.
*/
struct _GdkEventCrossing
{
GdkEventAny any;
GdkModifierType state;
GdkCrossingMode mode;
double x;
double y;
GdkNotifyType detail;
gboolean focus;
GdkSurface *child_surface;
};
/*
* GdkEventFocus:
* @type: the type of the event (%GDK_FOCUS_CHANGE).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @in: %TRUE if the surface has gained the keyboard focus, %FALSE if
* it has lost the focus.
* @mode: the crossing mode
* @detail: the kind of crossing that happened
*
* Describes a change of keyboard focus.
*/
struct _GdkEventFocus
{
GdkEventAny any;
gint16 in;
GdkCrossingMode mode;
GdkNotifyType detail;
};
/*
* GdkEventConfigure:
* @type: the type of the event (%GDK_CONFIGURE).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @x: the new x coordinate of the surface, relative to its parent.
* @y: the new y coordinate of the surface, relative to its parent.
* @width: the new width of the surface.
* @height: the new height of the surface.
*
* Generated when a surface size or position has changed.
*/
struct _GdkEventConfigure
{
GdkEventAny any;
int x;
int y;
int width;
int height;
};
/*
* GdkEventProximity:
* @type: the type of the event (%GDK_PROXIMITY_IN or %GDK_PROXIMITY_OUT).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @device: the master device that the event originated from. Use
* gdk_event_get_source_device() to get the slave device.
*
* Proximity events are generated when using GDK’s wrapper for the
* XInput extension. The XInput extension is an add-on for standard X
* that allows you to use nonstandard devices such as graphics tablets.
* A proximity event indicates that the stylus has moved in or out of
* contact with the tablet, or perhaps that the user’s finger has moved
* in or out of contact with a touch screen.
*
* This event type will be used pretty rarely. It only is important for
* XInput aware programs that are drawing their own cursor.
*/
struct _GdkEventProximity
{
GdkEventAny any;
GdkDeviceTool *tool;
};
/*
* GdkEventGrabBroken:
* @type: the type of the event (%GDK_GRAB_BROKEN)
* @surface: the surface which received the event, i.e. the surface
* that previously owned the grab
* @send_event: %TRUE if the event was sent explicitly.
* @keyboard: %TRUE if a keyboard grab was broken, %FALSE if a pointer
* grab was broken
* @implicit: %TRUE if the broken grab was implicit
* @grab_surface: If this event is caused by another grab in the same
* application, @grab_surface contains the new grab surface. Otherwise
* @grab_surface is %NULL.
*
* Generated when a pointer or keyboard grab is broken. On X11, this happens
* when the grab surface becomes unviewable (i.e. it or one of its ancestors
* is unmapped), or if the same application grabs the pointer or keyboard
* again. Note that implicit grabs (which are initiated by button presses)
* can also cause #GdkEventGrabBroken events.
*/
struct _GdkEventGrabBroken {
GdkEventAny any;
gboolean keyboard;
gboolean implicit;
GdkSurface *grab_surface;
};
/*
* GdkEventDND:
* @type: the type of the event (%GDK_DRAG_ENTER, %GDK_DRAG_LEAVE,
* %GDK_DRAG_MOTION or %GDK_DROP_START)
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @drop: the #GdkDrop for the current DND operation.
* @time: the time of the event in milliseconds.
*
* Generated during DND operations.
*/
struct _GdkEventDND {
GdkEventAny any;
GdkDrop *drop;
double x;
double y;
};
/*
* GdkEventTouchpadSwipe:
* @type: the type of the event (%GDK_TOUCHPAD_SWIPE)
* @surface: the surface which received the event
* @send_event: %TRUE if the event was sent explicitly
* @phase: (type GdkTouchpadGesturePhase): the current phase of the gesture
* @n_fingers: The number of fingers triggering the swipe
* @time: the time of the event in milliseconds
* @x: The X coordinate of the pointer
* @y: The Y coordinate of the pointer
* @dx: Movement delta in the X axis of the swipe focal point
* @dy: Movement delta in the Y axis of the swipe focal point
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
*
* Generated during touchpad swipe gestures.
*/
struct _GdkEventTouchpadSwipe {
GdkEventAny any;
GdkModifierType state;
gint8 phase;
gint8 n_fingers;
double x;
double y;
double dx;
double dy;
};
/*
* GdkEventTouchpadPinch:
* @type: the type of the event (%GDK_TOUCHPAD_PINCH)
* @surface: the surface which received the event
* @send_event: %TRUE if the event was sent explicitly
* @phase: (type GdkTouchpadGesturePhase): the current phase of the gesture
* @n_fingers: The number of fingers triggering the pinch
* @time: the time of the event in milliseconds
* @x: The X coordinate of the pointer
* @y: The Y coordinate of the pointer
* @dx: Movement delta in the X axis of the swipe focal point
* @dy: Movement delta in the Y axis of the swipe focal point
* @angle_delta: The angle change in radians, negative angles
* denote counter-clockwise movements
* @scale: The current scale, relative to that at the time of
* the corresponding %GDK_TOUCHPAD_GESTURE_PHASE_BEGIN event
* @state: (type GdkModifierType): a bit-mask representing the state of
* the modifier keys (e.g. Control, Shift and Alt) and the pointer
* buttons. See #GdkModifierType.
*
* Generated during touchpad swipe gestures.
*/
struct _GdkEventTouchpadPinch {
GdkEventAny any;
GdkModifierType state;
gint8 phase;
gint8 n_fingers;
double x;
double y;
double dx;
double dy;
double angle_delta;
double scale;
};
/*
* GdkEventPadButton:
* @type: the type of the event (%GDK_PAD_BUTTON_PRESS or %GDK_PAD_BUTTON_RELEASE).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @group: the pad group the button belongs to. A %GDK_SOURCE_TABLET_PAD device
* may have one or more groups containing a set of buttons/rings/strips each.
* @button: The pad button that was pressed.
* @mode: The current mode of @group. Different groups in a %GDK_SOURCE_TABLET_PAD
* device may have different current modes.
*
* Generated during %GDK_SOURCE_TABLET_PAD button presses and releases.
*/
struct _GdkEventPadButton {
GdkEventAny any;
guint group;
guint button;
guint mode;
};
/*
* GdkEventPadAxis:
* @type: the type of the event (%GDK_PAD_RING or %GDK_PAD_STRIP).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @group: the pad group the ring/strip belongs to. A %GDK_SOURCE_TABLET_PAD
* device may have one or more groups containing a set of buttons/rings/strips
* each.
* @index: number of strip/ring that was interacted. This number is 0-indexed.
* @mode: The current mode of @group. Different groups in a %GDK_SOURCE_TABLET_PAD
* device may have different current modes.
* @value: The current value for the given axis.
*
* Generated during %GDK_SOURCE_TABLET_PAD interaction with tactile sensors.
*/
struct _GdkEventPadAxis {
GdkEventAny any;
guint group;
guint index;
guint mode;
double value;
};
/*
* GdkEventPadGroupMode:
* @type: the type of the event (%GDK_PAD_GROUP_MODE).
* @surface: the surface which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @time: the time of the event in milliseconds.
* @group: the pad group that is switching mode. A %GDK_SOURCE_TABLET_PAD
* device may have one or more groups containing a set of buttons/rings/strips
* each.
* @mode: The new mode of @group. Different groups in a %GDK_SOURCE_TABLET_PAD
* device may have different current modes.
*
* Generated during %GDK_SOURCE_TABLET_PAD mode switches in a group.
*/
struct _GdkEventPadGroupMode {
GdkEventAny any;
guint group;
guint mode;
};
/*
* GdkEvent:
*
* The GdkEvent struct is private and should only be accessed
* using the accessor functions.
*/
union _GdkEvent
{
GdkEventAny any;
GdkEventMotion motion;
GdkEventButton button;
GdkEventTouch touch;
GdkEventScroll scroll;
GdkEventKey key;
GdkEventCrossing crossing;
GdkEventFocus focus_change;
GdkEventConfigure configure;
GdkEventProximity proximity;
GdkEventDND dnd;
GdkEventGrabBroken grab_broken;
GdkEventTouchpadSwipe touchpad_swipe;
GdkEventTouchpadPinch touchpad_pinch;
GdkEventPadButton pad_button;
GdkEventPadAxis pad_axis;
GdkEventPadGroupMode pad_group_mode;
};
GdkEvent * gdk_event_button_new (GdkEventType type,
GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
GdkDeviceTool *tool,
guint32 time,
GdkModifierType state,
guint button,
double x,
double y,
double *axes);
GdkEvent * gdk_event_motion_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
GdkDeviceTool *tool,
guint32 time,
GdkModifierType state,
double x,
double y,
double *axes);
GdkEvent * gdk_event_crossing_new (GdkEventType type,
GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
GdkModifierType state,
double x,
double y,
GdkCrossingMode mode,
GdkNotifyType notify);
GdkEvent * gdk_event_proximity_new (GdkEventType type,
GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
GdkDeviceTool *tool,
guint32 time);
GdkEvent * gdk_event_key_new (GdkEventType type,
GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
guint keycode,
GdkModifierType modifiers,
gboolean is_modifier,
GdkTranslatedKey *translated,
GdkTranslatedKey *no_lock);
GdkEvent * gdk_event_focus_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
gboolean focus_in);
GdkEvent * gdk_event_configure_new (GdkSurface *surface,
int width,
int height);
GdkEvent * gdk_event_delete_new (GdkSurface *surface);
GdkEvent * gdk_event_scroll_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
GdkDeviceTool *tool,
guint32 time,
GdkModifierType state,
double delta_x,
double delta_y,
gboolean is_stop);
GdkEvent * gdk_event_discrete_scroll_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
GdkDeviceTool *tool,
guint32 time,
GdkModifierType state,
GdkScrollDirection direction,
gboolean emulated);
GdkEvent * gdk_event_touch_new (GdkEventType type,
GdkEventSequence *sequence,
GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
GdkModifierType state,
double x,
double y,
double *axes,
gboolean emulating);
GdkEvent * gdk_event_touchpad_swipe_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
GdkModifierType state,
GdkTouchpadGesturePhase phase,
double x,
double y,
int n_fingers,
double dx,
double dy);
GdkEvent * gdk_event_touchpad_pinch_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
GdkModifierType state,
GdkTouchpadGesturePhase phase,
double x,
double y,
int n_fingers,
double dx,
double dy,
double scale,
double angle_delta);
GdkEvent * gdk_event_pad_ring_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
guint group,
guint index,
guint mode,
double value);
GdkEvent * gdk_event_pad_strip_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
guint group,
guint index,
guint mode,
double value);
GdkEvent * gdk_event_pad_button_new (GdkEventType type,
GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
guint group,
guint button,
guint mode);
GdkEvent * gdk_event_pad_group_mode_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
guint32 time,
guint group,
guint mode);
GdkEvent * gdk_event_drag_new (GdkEventType type,
GdkSurface *surface,
GdkDevice *device,
GdkDrop *drop,
guint32 time,
double x,
double y);
GdkEvent * gdk_event_grab_broken_new (GdkSurface *surface,
GdkDevice *device,
GdkDevice *source_device,
GdkSurface *grab_surface,
gboolean implicit);
#endif /* __GDK_EVENTS_PRIVATE_H__ */