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524 lines
20 KiB
C
524 lines
20 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GDK_EVENTS_H__
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#define __GDK_EVENTS_H__
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#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
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#error "Only <gdk/gdk.h> can be included directly."
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#endif
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#include <gdk/gdkversionmacros.h>
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#include <gdk/gdktypes.h>
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#include <gdk/gdkdrag.h>
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#include <gdk/gdkdevice.h>
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#include <gdk/gdkdevicetool.h>
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G_BEGIN_DECLS
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#define GDK_TYPE_EVENT (gdk_event_get_type ())
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#define GDK_TYPE_EVENT_SEQUENCE (gdk_event_sequence_get_type ())
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#define GDK_EVENT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_EVENT, GdkEvent))
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#define GDK_IS_EVENT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_EVENT))
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/**
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* GDK_PRIORITY_EVENTS:
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*
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* This is the priority that events from the X server are given in the
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* [GLib Main Loop][glib-The-Main-Event-Loop].
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*/
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#define GDK_PRIORITY_EVENTS (G_PRIORITY_DEFAULT)
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/**
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* GDK_PRIORITY_REDRAW: (value 120)
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*
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* This is the priority that the idle handler processing surface updates
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* is given in the
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* [GLib Main Loop][glib-The-Main-Event-Loop].
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*/
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#define GDK_PRIORITY_REDRAW (G_PRIORITY_HIGH_IDLE + 20)
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/**
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* GDK_EVENT_PROPAGATE:
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*
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* Use this macro as the return value for continuing the propagation of
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* an event handler.
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*/
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#define GDK_EVENT_PROPAGATE (FALSE)
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/**
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* GDK_EVENT_STOP:
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*
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* Use this macro as the return value for stopping the propagation of
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* an event handler.
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*/
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#define GDK_EVENT_STOP (TRUE)
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/**
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* GDK_BUTTON_PRIMARY:
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*
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* The primary button. This is typically the left mouse button, or the
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* right button in a left-handed setup.
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*/
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#define GDK_BUTTON_PRIMARY (1)
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/**
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* GDK_BUTTON_MIDDLE:
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*
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* The middle button.
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*/
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#define GDK_BUTTON_MIDDLE (2)
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/**
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* GDK_BUTTON_SECONDARY:
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*
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* The secondary button. This is typically the right mouse button, or the
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* left button in a left-handed setup.
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*/
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#define GDK_BUTTON_SECONDARY (3)
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typedef struct _GdkEventAny GdkEventAny;
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typedef struct _GdkEventMotion GdkEventMotion;
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typedef struct _GdkEventButton GdkEventButton;
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typedef struct _GdkEventTouch GdkEventTouch;
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typedef struct _GdkEventScroll GdkEventScroll;
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typedef struct _GdkEventKey GdkEventKey;
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typedef struct _GdkEventFocus GdkEventFocus;
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typedef struct _GdkEventCrossing GdkEventCrossing;
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typedef struct _GdkEventConfigure GdkEventConfigure;
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typedef struct _GdkEventProximity GdkEventProximity;
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typedef struct _GdkEventDND GdkEventDND;
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typedef struct _GdkEventSetting GdkEventSetting;
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typedef struct _GdkEventGrabBroken GdkEventGrabBroken;
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typedef struct _GdkEventTouchpadSwipe GdkEventTouchpadSwipe;
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typedef struct _GdkEventTouchpadPinch GdkEventTouchpadPinch;
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typedef struct _GdkEventPadButton GdkEventPadButton;
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typedef struct _GdkEventPadAxis GdkEventPadAxis;
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typedef struct _GdkEventPadGroupMode GdkEventPadGroupMode;
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typedef struct _GdkEventSequence GdkEventSequence;
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typedef union _GdkEvent GdkEvent;
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/**
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* GdkEventType:
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* @GDK_NOTHING: a special code to indicate a null event.
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* @GDK_DELETE: the window manager has requested that the toplevel surface be
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* hidden or destroyed, usually when the user clicks on a special icon in the
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* title bar.
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* @GDK_DESTROY: the surface has been destroyed.
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* @GDK_MOTION_NOTIFY: the pointer (usually a mouse) has moved.
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* @GDK_BUTTON_PRESS: a mouse button has been pressed.
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* @GDK_BUTTON_RELEASE: a mouse button has been released.
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* @GDK_KEY_PRESS: a key has been pressed.
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* @GDK_KEY_RELEASE: a key has been released.
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* @GDK_ENTER_NOTIFY: the pointer has entered the surface.
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* @GDK_LEAVE_NOTIFY: the pointer has left the surface.
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* @GDK_FOCUS_CHANGE: the keyboard focus has entered or left the surface.
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* @GDK_CONFIGURE: the size, position or stacking order of the surface has changed.
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* @GDK_PROXIMITY_IN: an input device has moved into contact with a sensing
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* surface (e.g. a touchscreen or graphics tablet).
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* @GDK_PROXIMITY_OUT: an input device has moved out of contact with a sensing
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* surface.
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* @GDK_DRAG_ENTER: the mouse has entered the surface while a drag is in progress.
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* @GDK_DRAG_LEAVE: the mouse has left the surface while a drag is in progress.
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* @GDK_DRAG_MOTION: the mouse has moved in the surface while a drag is in
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* progress.
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* @GDK_DROP_START: a drop operation onto the surface has started.
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* @GDK_SCROLL: the scroll wheel was turned
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* @GDK_GRAB_BROKEN: a pointer or keyboard grab was broken. This event type
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* was added in 2.8.
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* @GDK_TOUCH_BEGIN: A new touch event sequence has just started. This event
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* type was added in 3.4.
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* @GDK_TOUCH_UPDATE: A touch event sequence has been updated. This event type
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* was added in 3.4.
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* @GDK_TOUCH_END: A touch event sequence has finished. This event type
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* was added in 3.4.
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* @GDK_TOUCH_CANCEL: A touch event sequence has been canceled. This event type
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* was added in 3.4.
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* @GDK_TOUCHPAD_SWIPE: A touchpad swipe gesture event, the current state
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* is determined by its phase field. This event type was added in 3.18.
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* @GDK_TOUCHPAD_PINCH: A touchpad pinch gesture event, the current state
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* is determined by its phase field. This event type was added in 3.18.
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* @GDK_PAD_BUTTON_PRESS: A tablet pad button press event. This event type
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* was added in 3.22.
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* @GDK_PAD_BUTTON_RELEASE: A tablet pad button release event. This event type
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* was added in 3.22.
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* @GDK_PAD_RING: A tablet pad axis event from a "ring". This event type was
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* added in 3.22.
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* @GDK_PAD_STRIP: A tablet pad axis event from a "strip". This event type was
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* added in 3.22.
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* @GDK_PAD_GROUP_MODE: A tablet pad group mode change. This event type was
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* added in 3.22.
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* @GDK_EVENT_LAST: marks the end of the GdkEventType enumeration. Added in 2.18
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*
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* Specifies the type of the event.
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*
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* Do not confuse these events with the signals that GTK+ widgets emit.
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* Although many of these events result in corresponding signals being emitted,
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* the events are often transformed or filtered along the way.
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*/
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typedef enum
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{
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GDK_NOTHING,
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GDK_DELETE,
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GDK_DESTROY,
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GDK_MOTION_NOTIFY,
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GDK_BUTTON_PRESS,
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GDK_BUTTON_RELEASE,
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GDK_KEY_PRESS,
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GDK_KEY_RELEASE,
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GDK_ENTER_NOTIFY,
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GDK_LEAVE_NOTIFY,
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GDK_FOCUS_CHANGE,
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GDK_CONFIGURE,
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GDK_PROXIMITY_IN,
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GDK_PROXIMITY_OUT,
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GDK_DRAG_ENTER,
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GDK_DRAG_LEAVE,
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GDK_DRAG_MOTION,
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GDK_DROP_START,
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GDK_SCROLL,
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GDK_GRAB_BROKEN,
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GDK_TOUCH_BEGIN,
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GDK_TOUCH_UPDATE,
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GDK_TOUCH_END,
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GDK_TOUCH_CANCEL,
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GDK_TOUCHPAD_SWIPE,
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GDK_TOUCHPAD_PINCH,
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GDK_PAD_BUTTON_PRESS,
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GDK_PAD_BUTTON_RELEASE,
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GDK_PAD_RING,
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GDK_PAD_STRIP,
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GDK_PAD_GROUP_MODE,
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GDK_EVENT_LAST /* helper variable for decls */
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} GdkEventType;
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/**
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* GdkTouchpadGesturePhase:
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* @GDK_TOUCHPAD_GESTURE_PHASE_BEGIN: The gesture has begun.
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* @GDK_TOUCHPAD_GESTURE_PHASE_UPDATE: The gesture has been updated.
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* @GDK_TOUCHPAD_GESTURE_PHASE_END: The gesture was finished, changes
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* should be permanently applied.
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* @GDK_TOUCHPAD_GESTURE_PHASE_CANCEL: The gesture was cancelled, all
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* changes should be undone.
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*
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* Specifies the current state of a touchpad gesture. All gestures are
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* guaranteed to begin with an event with phase %GDK_TOUCHPAD_GESTURE_PHASE_BEGIN,
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* followed by 0 or several events with phase %GDK_TOUCHPAD_GESTURE_PHASE_UPDATE.
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*
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* A finished gesture may have 2 possible outcomes, an event with phase
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* %GDK_TOUCHPAD_GESTURE_PHASE_END will be emitted when the gesture is
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* considered successful, this should be used as the hint to perform any
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* permanent changes.
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* Cancelled gestures may be so for a variety of reasons, due to hardware
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* or the compositor, or due to the gesture recognition layers hinting the
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* gesture did not finish resolutely (eg. a 3rd finger being added during
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* a pinch gesture). In these cases, the last event will report the phase
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* %GDK_TOUCHPAD_GESTURE_PHASE_CANCEL, this should be used as a hint
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* to undo any visible/permanent changes that were done throughout the
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* progress of the gesture.
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*/
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typedef enum
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{
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GDK_TOUCHPAD_GESTURE_PHASE_BEGIN,
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GDK_TOUCHPAD_GESTURE_PHASE_UPDATE,
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GDK_TOUCHPAD_GESTURE_PHASE_END,
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GDK_TOUCHPAD_GESTURE_PHASE_CANCEL
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} GdkTouchpadGesturePhase;
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/**
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* GdkScrollDirection:
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* @GDK_SCROLL_UP: the surface is scrolled up.
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* @GDK_SCROLL_DOWN: the surface is scrolled down.
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* @GDK_SCROLL_LEFT: the surface is scrolled to the left.
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* @GDK_SCROLL_RIGHT: the surface is scrolled to the right.
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* @GDK_SCROLL_SMOOTH: the scrolling is determined by the delta values
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* in scroll events. See gdk_event_get_scroll_deltas()
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*
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* Specifies the direction for scroll events.
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*/
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typedef enum
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{
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GDK_SCROLL_UP,
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GDK_SCROLL_DOWN,
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GDK_SCROLL_LEFT,
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GDK_SCROLL_RIGHT,
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GDK_SCROLL_SMOOTH
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} GdkScrollDirection;
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/**
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* GdkNotifyType:
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* @GDK_NOTIFY_ANCESTOR: the surface is entered from an ancestor or
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* left towards an ancestor.
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* @GDK_NOTIFY_VIRTUAL: the pointer moves between an ancestor and an
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* inferior of the surface.
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* @GDK_NOTIFY_INFERIOR: the surface is entered from an inferior or
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* left towards an inferior.
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* @GDK_NOTIFY_NONLINEAR: the surface is entered from or left towards
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* a surface which is neither an ancestor nor an inferior.
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* @GDK_NOTIFY_NONLINEAR_VIRTUAL: the pointer moves between two surfaces
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* which are not ancestors of each other and the surface is part of
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* the ancestor chain between one of these surfaces and their least
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* common ancestor.
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* @GDK_NOTIFY_UNKNOWN: an unknown type of enter/leave event occurred.
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*
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* Specifies the kind of crossing for enter and leave events.
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*
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* See the X11 protocol specification of LeaveNotify for
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* full details of crossing event generation.
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*/
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typedef enum
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{
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GDK_NOTIFY_ANCESTOR = 0,
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GDK_NOTIFY_VIRTUAL = 1,
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GDK_NOTIFY_INFERIOR = 2,
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GDK_NOTIFY_NONLINEAR = 3,
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GDK_NOTIFY_NONLINEAR_VIRTUAL = 4,
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GDK_NOTIFY_UNKNOWN = 5
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} GdkNotifyType;
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/**
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* GdkCrossingMode:
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* @GDK_CROSSING_NORMAL: crossing because of pointer motion.
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* @GDK_CROSSING_GRAB: crossing because a grab is activated.
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* @GDK_CROSSING_UNGRAB: crossing because a grab is deactivated.
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* @GDK_CROSSING_GTK_GRAB: crossing because a GTK+ grab is activated.
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* @GDK_CROSSING_GTK_UNGRAB: crossing because a GTK+ grab is deactivated.
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* @GDK_CROSSING_STATE_CHANGED: crossing because a GTK+ widget changed
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* state (e.g. sensitivity).
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* @GDK_CROSSING_TOUCH_BEGIN: crossing because a touch sequence has begun,
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* this event is synthetic as the pointer might have not left the surface.
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* @GDK_CROSSING_TOUCH_END: crossing because a touch sequence has ended,
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* this event is synthetic as the pointer might have not left the surface.
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* @GDK_CROSSING_DEVICE_SWITCH: crossing because of a device switch (i.e.
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* a mouse taking control of the pointer after a touch device), this event
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* is synthetic as the pointer didn’t leave the surface.
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*
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* Specifies the crossing mode for enter and leave events.
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*/
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typedef enum
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{
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GDK_CROSSING_NORMAL,
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GDK_CROSSING_GRAB,
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GDK_CROSSING_UNGRAB,
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GDK_CROSSING_GTK_GRAB,
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GDK_CROSSING_GTK_UNGRAB,
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GDK_CROSSING_STATE_CHANGED,
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GDK_CROSSING_TOUCH_BEGIN,
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GDK_CROSSING_TOUCH_END,
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GDK_CROSSING_DEVICE_SWITCH
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} GdkCrossingMode;
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GDK_AVAILABLE_IN_ALL
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GType gdk_event_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GType gdk_event_sequence_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GdkEvent* gdk_event_new (GdkEventType type);
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GDK_AVAILABLE_IN_ALL
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GdkEvent* gdk_event_copy (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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GdkSurface *gdk_event_get_surface (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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guint32 gdk_event_get_time (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_state (const GdkEvent *event,
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GdkModifierType *state);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_coords (const GdkEvent *event,
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gdouble *x_win,
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gdouble *y_win);
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GDK_AVAILABLE_IN_ALL
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void gdk_event_set_coords (GdkEvent *event,
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gdouble x,
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gdouble y);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_button (const GdkEvent *event,
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guint *button);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_click_count (const GdkEvent *event,
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guint *click_count);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_keyval (const GdkEvent *event,
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guint *keyval);
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GDK_AVAILABLE_IN_ALL
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void gdk_event_set_keyval (GdkEvent *event,
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guint keyval);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_keycode (const GdkEvent *event,
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guint16 *keycode);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_key_is_modifier (const GdkEvent *event,
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gboolean *is_modifier);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_key_group (const GdkEvent *event,
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guint *group);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_scroll_direction (const GdkEvent *event,
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GdkScrollDirection *direction);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_scroll_deltas (const GdkEvent *event,
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gdouble *delta_x,
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gdouble *delta_y);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_is_scroll_stop_event (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_get_axis (const GdkEvent *event,
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GdkAxisUse axis_use,
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gdouble *value);
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GDK_AVAILABLE_IN_ALL
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void gdk_event_set_device (GdkEvent *event,
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GdkDevice *device);
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GDK_AVAILABLE_IN_ALL
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GdkDevice* gdk_event_get_device (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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void gdk_event_set_source_device (GdkEvent *event,
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GdkDevice *device);
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GDK_AVAILABLE_IN_ALL
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GdkDevice* gdk_event_get_source_device (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_event_triggers_context_menu (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_events_get_distance (GdkEvent *event1,
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GdkEvent *event2,
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gdouble *distance);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_events_get_angle (GdkEvent *event1,
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GdkEvent *event2,
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gdouble *angle);
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GDK_AVAILABLE_IN_ALL
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gboolean gdk_events_get_center (GdkEvent *event1,
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GdkEvent *event2,
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gdouble *x,
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gdouble *y);
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GDK_AVAILABLE_IN_ALL
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void gdk_event_set_display (GdkEvent *event,
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GdkDisplay *display);
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GDK_AVAILABLE_IN_ALL
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GdkDisplay *gdk_event_get_display (const GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
|
||
GdkEventSequence *gdk_event_get_event_sequence (const GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
GdkEventType gdk_event_get_event_type (const GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
GdkSeat *gdk_event_get_seat (const GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gdk_set_show_events (gboolean show_events);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_get_show_events (void);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
GdkDeviceTool *gdk_event_get_device_tool (const GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gdk_event_set_device_tool (GdkEvent *event,
|
||
GdkDeviceTool *tool);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
int gdk_event_get_scancode (GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_pointer_emulated (GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_is_sent (const GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
GdkDrop * gdk_event_get_drop (const GdkEvent *event);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_crossing_mode (const GdkEvent *event,
|
||
GdkCrossingMode *mode);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_crossing_detail (const GdkEvent *event,
|
||
GdkNotifyType *detail);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_touchpad_gesture_phase (const GdkEvent *event,
|
||
GdkTouchpadGesturePhase *phase);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_touchpad_gesture_n_fingers (const GdkEvent *event,
|
||
guint *n_fingers);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_touchpad_deltas (const GdkEvent *event,
|
||
double *dx,
|
||
double *dy);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_touchpad_angle_delta (const GdkEvent *event,
|
||
double *delta);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_touchpad_scale (const GdkEvent *event,
|
||
double *scale);
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_touch_emulating_pointer (const GdkEvent *event,
|
||
gboolean *emulating);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_grab_surface (const GdkEvent *event,
|
||
GdkSurface **surface);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_focus_in (const GdkEvent *event,
|
||
gboolean *focus_in);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_pad_group_mode (const GdkEvent *event,
|
||
guint *group,
|
||
guint *mode);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_pad_button (const GdkEvent *event,
|
||
guint *button);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_pad_axis_value (const GdkEvent *event,
|
||
guint *index,
|
||
gdouble *value);
|
||
GDK_AVAILABLE_IN_ALL
|
||
gboolean gdk_event_get_axes (GdkEvent *event,
|
||
gdouble **axes,
|
||
guint *n_axes);
|
||
GDK_AVAILABLE_IN_ALL
|
||
GList * gdk_event_get_motion_history (const GdkEvent *event);
|
||
|
||
G_END_DECLS
|
||
|
||
#endif /* __GDK_EVENTS_H__ */
|