gtk/gdk/gdkeventsprivate.h
Matthias Clasen 5bd8884bf8 Stop providing the owner in GdkEventOwnerChange
This information is rarely useful, and it is one
of the last places where we create foreign windows.
2017-11-01 22:53:24 -04:00

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/* 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 <http://www.gnu.org/licenses/>.
*/
/*
* 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 <gdk/gdktypes.h>
#include <gdk/gdkdnd.h>
#include <gdk/gdkdevice.h>
#include <gdk/gdkdevicetool.h>
/**
* GdkEventAny:
* @type: the type of the event.
* @window: the window 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
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
};
/**
* GdkEventExpose:
* @type: the type of the event (%GDK_EXPOSE or %GDK_DAMAGE).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @area: bounding box of @region.
* @region: the region that needs to be redrawn.
* @count: the number of contiguous %GDK_EXPOSE events following this one.
* The only use for this is “exposure compression”, i.e. handling all
* contiguous %GDK_EXPOSE events in one go, though GDK performs some
* exposure compression so this is not normally needed.
*
* Generated when all or part of a window becomes visible and needs to be
* redrawn.
*/
struct _GdkEventExpose
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
GdkRectangle area;
cairo_region_t *region;
gint count; /* If non-zero, how many more events follow. */
};
/**
* GdkEventMotion:
* @type: the type of the event.
* @window: the window 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 window.
* @y: the y coordinate of the pointer relative to the window.
* @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.
* @is_hint: set to 1 if this event is just a hint, see the
* %GDK_POINTER_MOTION_HINT_MASK value of #GdkEventMask.
* @device: the master device that the event originated from. Use
* gdk_event_get_source_device() to get the slave device.
* @x_root: the x coordinate of the pointer relative to the root of the
* screen.
* @y_root: the y coordinate of the pointer relative to the root of the
* screen.
*
* Generated when the pointer moves.
*/
struct _GdkEventMotion
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
gdouble x;
gdouble y;
gdouble *axes;
guint state;
gint16 is_hint;
GdkDevice *device;
gdouble x_root, y_root;
};
/**
* GdkEventButton:
* @type: the type of the event (%GDK_BUTTON_PRESS or %GDK_BUTTON_RELEASE).
* @window: the window 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 window.
* @y: the y coordinate of the pointer relative to the window.
* @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.
* @x_root: the x coordinate of the pointer relative to the root of the
* screen.
* @y_root: the y coordinate of the pointer relative to the root of the
* 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
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
gdouble x;
gdouble y;
gdouble *axes;
guint state;
guint button;
GdkDevice *device;
gdouble x_root, y_root;
};
/**
* GdkEventTouch:
* @type: the type of the event (%GDK_TOUCH_BEGIN, %GDK_TOUCH_UPDATE,
* %GDK_TOUCH_END, %GDK_TOUCH_CANCEL)
* @window: the window 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 window
* @y: the y coordinate of the pointer relative to the window
* @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.
* @x_root: the x coordinate of the pointer relative to the root of the
* screen
* @y_root: the y coordinate of the pointer relative to the root of the
* 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
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
gdouble x;
gdouble y;
gdouble *axes;
guint state;
GdkEventSequence *sequence;
gboolean emulating_pointer;
GdkDevice *device;
gdouble x_root, y_root;
};
/**
* GdkEventScroll:
* @type: the type of the event (%GDK_SCROLL).
* @window: the window 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 window.
* @y: the y coordinate of the pointer relative to the window.
* @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.
* @x_root: the x coordinate of the pointer relative to the root of the
* screen.
* @y_root: the y coordinate of the pointer relative to the root of the
* screen.
* @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
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
gdouble x;
gdouble y;
guint state;
GdkScrollDirection direction;
GdkDevice *device;
gdouble x_root, y_root;
gdouble delta_x;
gdouble delta_y;
guint is_stop : 1;
};
/**
* GdkEventKey:
* @type: the type of the event (%GDK_KEY_PRESS or %GDK_KEY_RELEASE).
* @window: the window 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.
* @keyval: the key that was pressed or released. See the
* `gdk/gdkkeysyms.h` header file for a
* complete list of GDK key codes.
* @length: the length of @string.
* @string: a string containing an approximation of the text that
* would result from this keypress. The only correct way to handle text
* input of text is using input methods (see #GtkIMContext), so this
* field is deprecated and should never be used.
* (gdk_unicode_to_keyval() provides a non-deprecated way of getting
* an approximate translation for a key.) The string is encoded in the
* encoding of the current locale (Note: this for backwards compatibility:
* strings in GTK+ and GDK are typically in UTF-8.) and NUL-terminated.
* In some cases, the translation of the key code will be a single
* NUL byte, in which case looking at @length is necessary to distinguish
* it from the an empty translation.
* @hardware_keycode: the raw code of the key that was pressed or released.
* @group: the keyboard group.
* @is_modifier: a flag that indicates if @hardware_keycode is mapped to a
* modifier. Since 2.10
*
* Describes a key press or key release event.
*/
struct _GdkEventKey
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
guint state;
guint keyval;
gint length;
gchar *string;
guint16 hardware_keycode;
guint8 group;
guint is_modifier : 1;
};
/**
* GdkEventCrossing:
* @type: the type of the event (%GDK_ENTER_NOTIFY or %GDK_LEAVE_NOTIFY).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @subwindow: the window that was entered or left.
* @time: the time of the event in milliseconds.
* @x: the x coordinate of the pointer relative to the window.
* @y: the y coordinate of the pointer relative to the window.
* @x_root: the x coordinate of the pointer relative to the root of the screen.
* @y_root: the y coordinate of the pointer relative to the root of the screen.
* @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 @window is the focus window 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 window.
*/
struct _GdkEventCrossing
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
GdkWindow *subwindow;
guint32 time;
gdouble x;
gdouble y;
gdouble x_root;
gdouble y_root;
GdkCrossingMode mode;
GdkNotifyType detail;
gboolean focus;
guint state;
};
/**
* GdkEventFocus:
* @type: the type of the event (%GDK_FOCUS_CHANGE).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @in: %TRUE if the window has gained the keyboard focus, %FALSE if
* it has lost the focus.
*
* Describes a change of keyboard focus.
*/
struct _GdkEventFocus
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
gint16 in;
};
/**
* GdkEventConfigure:
* @type: the type of the event (%GDK_CONFIGURE).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @x: the new x coordinate of the window, relative to its parent.
* @y: the new y coordinate of the window, relative to its parent.
* @width: the new width of the window.
* @height: the new height of the window.
*
* Generated when a window size or position has changed.
*/
struct _GdkEventConfigure
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
gint x, y;
gint width;
gint height;
};
/**
* GdkEventProperty:
* @type: the type of the event (%GDK_PROPERTY_NOTIFY).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @atom: the property that was changed.
* @time: the time of the event in milliseconds.
* @state: (type GdkPropertyState): whether the property was changed
* (%GDK_PROPERTY_NEW_VALUE) or deleted (%GDK_PROPERTY_DELETE).
*
* Describes a property change on a window.
*/
struct _GdkEventProperty
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
GdkAtom atom;
guint32 time;
guint state;
};
/**
* GdkEventSelection:
* @type: the type of the event (%GDK_SELECTION_CLEAR,
* %GDK_SELECTION_NOTIFY or %GDK_SELECTION_REQUEST).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @selection: the selection.
* @target: the target to which the selection should be converted.
* @property: the property in which to place the result of the conversion.
* @time: the time of the event in milliseconds.
* @requestor: the window on which to place @property or %NULL if none.
*
* Generated when a selection is requested or ownership of a selection
* is taken over by another client application.
*/
struct _GdkEventSelection
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
GdkAtom selection;
GdkAtom target;
GdkAtom property;
guint32 time;
GdkWindow *requestor;
};
/**
* GdkEventOwnerChange:
* @type: the type of the event (%GDK_OWNER_CHANGE).
* @window: the window which received the event
* @send_event: %TRUE if the event was sent explicitly.
* @reason: the reason for the ownership change as a #GdkOwnerChange value
* @selection: the atom identifying the selection
* @time: the timestamp of the event
* @selection_time: the time at which the selection ownership was taken
* over
*
* Generated when the owner of a selection changes. On X11, this
* information is only available if the X server supports the XFIXES
* extension.
*
* Since: 2.6
*/
struct _GdkEventOwnerChange
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
GdkOwnerChange reason;
GdkAtom selection;
guint32 time;
guint32 selection_time;
};
/**
* GdkEventProximity:
* @type: the type of the event (%GDK_PROXIMITY_IN or %GDK_PROXIMITY_OUT).
* @window: the window 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 GDKs 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 users 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
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
GdkDevice *device;
};
/**
* GdkEventWindowState:
* @type: the type of the event (%GDK_WINDOW_STATE).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @changed_mask: mask specifying what flags have changed.
* @new_window_state: the new window state, a combination of
* #GdkWindowState bits.
*
* Generated when the state of a toplevel window changes.
*/
struct _GdkEventWindowState
{
GdkEventType type;
GdkWindow *window;
gint8 send_event;
GdkWindowState changed_mask;
GdkWindowState new_window_state;
};
/**
* GdkEventGrabBroken:
* @type: the type of the event (%GDK_GRAB_BROKEN)
* @window: the window which received the event, i.e. the window
* 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_window: If this event is caused by another grab in the same
* application, @grab_window contains the new grab window. Otherwise
* @grab_window is %NULL.
*
* Generated when a pointer or keyboard grab is broken. On X11, this happens
* when the grab window 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.
*
* Since: 2.8
*/
struct _GdkEventGrabBroken {
GdkEventType type;
GdkWindow *window;
gint8 send_event;
gboolean keyboard;
gboolean implicit;
GdkWindow *grab_window;
};
/**
* GdkEventDND:
* @type: the type of the event (%GDK_DRAG_ENTER, %GDK_DRAG_LEAVE,
* %GDK_DRAG_MOTION, %GDK_DRAG_STATUS, %GDK_DROP_START or
* %GDK_DROP_FINISHED).
* @window: the window which received the event.
* @send_event: %TRUE if the event was sent explicitly.
* @context: the #GdkDragContext for the current DND operation.
* @time: the time of the event in milliseconds.
* @x_root: the x coordinate of the pointer relative to the root of the
* screen, only set for %GDK_DRAG_MOTION and %GDK_DROP_START.
* @y_root: the y coordinate of the pointer relative to the root of the
* screen, only set for %GDK_DRAG_MOTION and %GDK_DROP_START.
*
* Generated during DND operations.
*/
struct _GdkEventDND {
GdkEventType type;
GdkWindow *window;
gint8 send_event;
GdkDragContext *context;
guint32 time;
gshort x_root, y_root;
};
/**
* GdkEventTouchpadSwipe:
* @type: the type of the event (%GDK_TOUCHPAD_SWIPE)
* @window: the window 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
* @x_root: The X coordinate of the pointer, relative to the
* root of the screen.
* @y_root: The Y coordinate of the pointer, relative to the
* root of the screen.
* @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 {
GdkEventType type;
GdkWindow *window;
gint8 send_event;
gint8 phase;
gint8 n_fingers;
guint32 time;
gdouble x;
gdouble y;
gdouble dx;
gdouble dy;
gdouble x_root, y_root;
guint state;
};
/**
* GdkEventTouchpadPinch:
* @type: the type of the event (%GDK_TOUCHPAD_PINCH)
* @window: the window 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
* @x_root: The X coordinate of the pointer, relative to the
* root of the screen.
* @y_root: The Y coordinate of the pointer, relative to the
* root of the screen.
* @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 {
GdkEventType type;
GdkWindow *window;
gint8 send_event;
gint8 phase;
gint8 n_fingers;
guint32 time;
gdouble x;
gdouble y;
gdouble dx;
gdouble dy;
gdouble angle_delta;
gdouble scale;
gdouble x_root, y_root;
guint state;
};
/**
* GdkEventPadButton:
* @type: the type of the event (%GDK_PAD_BUTTON_PRESS or %GDK_PAD_BUTTON_RELEASE).
* @window: the window 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.
*
* Since: 3.22
*/
struct _GdkEventPadButton {
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
guint group;
guint button;
guint mode;
};
/**
* GdkEventPadAxis:
* @type: the type of the event (%GDK_PAD_RING or %GDK_PAD_STRIP).
* @window: the window 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.
*
* Since: 3.22
*/
struct _GdkEventPadAxis {
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
guint group;
guint index;
guint mode;
gdouble value;
};
/**
* GdkEventPadGroupMode:
* @type: the type of the event (%GDK_PAD_GROUP_MODE).
* @window: the window 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.
*
* Since: 3.22
*/
struct _GdkEventPadGroupMode {
GdkEventType type;
GdkWindow *window;
gint8 send_event;
guint32 time;
guint group;
guint mode;
};
/**
* GdkEvent:
* @type: the #GdkEventType
* @any: a #GdkEventAny
* @expose: a #GdkEventExpose
* @motion: a #GdkEventMotion
* @button: a #GdkEventButton
* @touch: a #GdkEventTouch
* @scroll: a #GdkEventScroll
* @key: a #GdkEventKey
* @crossing: a #GdkEventCrossing
* @focus_change: a #GdkEventFocus
* @configure: a #GdkEventConfigure
* @property: a #GdkEventProperty
* @selection: a #GdkEventSelection
* @owner_change: a #GdkEventOwnerChange
* @proximity: a #GdkEventProximity
* @dnd: a #GdkEventDND
* @window_state: a #GdkEventWindowState
* @grab_broken: a #GdkEventGrabBroken
* @touchpad_swipe: a #GdkEventTouchpadSwipe
* @touchpad_pinch: a #GdkEventTouchpadPinch
* @pad_button: a #GdkEventPadButton
* @pad_axis: a #GdkEventPadAxis
* @pad_group_mode: a #GdkEventPadGroupMode
*
* A #GdkEvent contains a union of all of the event types,
* and allows access to the data fields in a number of ways.
*
* The event type is always the first field in all of the event types, and
* can always be accessed with the following code, no matter what type of
* event it is:
* |[<!-- language="C" -->
* GdkEvent *event;
* GdkEventType type;
*
* type = event->type;
* ]|
*
* To access other fields of the event, the pointer to the event
* can be cast to the appropriate event type, or the union member
* name can be used. For example if the event type is %GDK_BUTTON_PRESS
* then the x coordinate of the button press can be accessed with:
* |[<!-- language="C" -->
* GdkEvent *event;
* gdouble x;
*
* x = ((GdkEventButton*)event)->x;
* ]|
* or:
* |[<!-- language="C" -->
* GdkEvent *event;
* gdouble x;
*
* x = event->button.x;
* ]|
*/
union _GdkEvent
{
GdkEventType type;
GdkEventAny any;
GdkEventExpose expose;
GdkEventMotion motion;
GdkEventButton button;
GdkEventTouch touch;
GdkEventScroll scroll;
GdkEventKey key;
GdkEventCrossing crossing;
GdkEventFocus focus_change;
GdkEventConfigure configure;
GdkEventProperty property;
GdkEventSelection selection;
GdkEventOwnerChange owner_change;
GdkEventProximity proximity;
GdkEventDND dnd;
GdkEventWindowState window_state;
GdkEventGrabBroken grab_broken;
GdkEventTouchpadSwipe touchpad_swipe;
GdkEventTouchpadPinch touchpad_pinch;
GdkEventPadButton pad_button;
GdkEventPadAxis pad_axis;
GdkEventPadGroupMode pad_group_mode;
};
#endif /* __GDK_EVENTS_PRIVATE_H__ */