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75a05621bf
The state attribute is available in GdkEventMotion, GdkEventButton, GdkEventScroll, GdkEventKey and GdkEventCrossing. This type annotation fixes the wrapping of this attribute in the GI PyGObject bindings. https://bugzilla.gnome.org/show_bug.cgi?id=639929
1144 lines
39 KiB
C
1144 lines
39 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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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#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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#ifndef __GDK_EVENTS_H__
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#define __GDK_EVENTS_H__
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#include <gdk/gdkcolor.h>
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#include <gdk/gdktypes.h>
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#include <gdk/gdkdnd.h>
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#include <gdk/gdkdevice.h>
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G_BEGIN_DECLS
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/**
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* SECTION:event_structs
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* @Short_description: Data structures specific to each type of event
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* @Title: Event Structures
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*
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* The event structs contain data specific to each type of event in GDK.
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*
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* <note>
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* <para>
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* A common mistake is to forget to set the event mask of a widget so that
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* the required events are received. See gtk_widget_set_events().
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* </para>
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* </note>
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*/
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#define GDK_TYPE_EVENT (gdk_event_get_type ())
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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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* <link linkend="glib-The-Main-Event-Loop">GLib Main Loop</link>.
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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:
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*
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* This is the priority that the idle handler processing window updates
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* is given in the
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* <link linkend="glib-The-Main-Event-Loop">GLib Main Loop</link>.
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*/
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#define GDK_PRIORITY_REDRAW (G_PRIORITY_HIGH_IDLE + 20)
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typedef struct _GdkEventAny GdkEventAny;
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typedef struct _GdkEventExpose GdkEventExpose;
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typedef struct _GdkEventVisibility GdkEventVisibility;
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typedef struct _GdkEventMotion GdkEventMotion;
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typedef struct _GdkEventButton GdkEventButton;
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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 _GdkEventProperty GdkEventProperty;
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typedef struct _GdkEventSelection GdkEventSelection;
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typedef struct _GdkEventOwnerChange GdkEventOwnerChange;
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typedef struct _GdkEventProximity GdkEventProximity;
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typedef struct _GdkEventClient GdkEventClient;
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typedef struct _GdkEventDND GdkEventDND;
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typedef struct _GdkEventWindowState GdkEventWindowState;
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typedef struct _GdkEventSetting GdkEventSetting;
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typedef struct _GdkEventGrabBroken GdkEventGrabBroken;
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typedef union _GdkEvent GdkEvent;
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/**
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* GdkEventFunc:
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* @event: the #GdkEvent to process.
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* @data: (closure): user data set when the event handler was installed with
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* gdk_event_handler_set().
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*
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* Specifies the type of function passed to gdk_event_handler_set() to
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* handle all GDK events.
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*/
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typedef void (*GdkEventFunc) (GdkEvent *event,
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gpointer data);
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/* Event filtering */
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/**
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* GdkXEvent:
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*
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* Used to represent native events (<type>XEvent</type>s for the X11
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* backend, <type>MSG</type>s for Win32).
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*/
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typedef void GdkXEvent; /* Can be cast to window system specific
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* even type, XEvent on X11, MSG on Win32.
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*/
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/**
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* GdkFilterReturn:
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* @GDK_FILTER_CONTINUE: event not handled, continue processing.
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* @GDK_FILTER_TRANSLATE: native event translated into a GDK event and stored
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* in the <literal>event</literal> structure that was passed in.
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* @GDK_FILTER_REMOVE: event handled, terminate processing.
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*
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* Specifies the result of applying a #GdkFilterFunc to a native event.
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*/
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typedef enum {
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GDK_FILTER_CONTINUE, /* Event not handled, continue processesing */
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GDK_FILTER_TRANSLATE, /* Native event translated into a GDK event and
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stored in the "event" structure that was
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passed in */
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GDK_FILTER_REMOVE /* Terminate processing, removing event */
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} GdkFilterReturn;
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/**
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* GdkFilterFunc:
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* @xevent: the native event to filter.
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* @event: the GDK event to which the X event will be translated.
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* @data: user data set when the filter was installed.
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*
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* Specifies the type of function used to filter native events before they are
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* converted to GDK events.
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*
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* When a filter is called, @event is unpopulated, except for
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* <literal>event->window</literal>. The filter may translate the native
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* event to a GDK event and store the result in @event, or handle it without
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* translation. If the filter translates the event and processing should
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* continue, it should return %GDK_FILTER_TRANSLATE.
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*
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* Returns: a #GdkFilterReturn value.
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*/
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typedef GdkFilterReturn (*GdkFilterFunc) (GdkXEvent *xevent,
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GdkEvent *event,
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gpointer data);
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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 window 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 window has been destroyed.
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* @GDK_EXPOSE: all or part of the window has become visible and needs to be
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* redrawn.
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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_2BUTTON_PRESS: a mouse button has been double-clicked (clicked twice
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* within a short period of time). Note that each click also generates a
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* %GDK_BUTTON_PRESS event.
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* @GDK_3BUTTON_PRESS: a mouse button has been clicked 3 times in a short period
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* of time. Note that each click also generates a %GDK_BUTTON_PRESS event.
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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 window.
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* @GDK_LEAVE_NOTIFY: the pointer has left the window.
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* @GDK_FOCUS_CHANGE: the keyboard focus has entered or left the window.
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* @GDK_CONFIGURE: the size, position or stacking order of the window has changed.
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* Note that GTK+ discards these events for %GDK_WINDOW_CHILD windows.
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* @GDK_MAP: the window has been mapped.
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* @GDK_UNMAP: the window has been unmapped.
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* @GDK_PROPERTY_NOTIFY: a property on the window has been changed or deleted.
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* @GDK_SELECTION_CLEAR: the application has lost ownership of a selection.
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* @GDK_SELECTION_REQUEST: another application has requested a selection.
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* @GDK_SELECTION_NOTIFY: a selection has been received.
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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 window while a drag is in progress.
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* @GDK_DRAG_LEAVE: the mouse has left the window while a drag is in progress.
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* @GDK_DRAG_MOTION: the mouse has moved in the window while a drag is in
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* progress.
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* @GDK_DRAG_STATUS: the status of the drag operation initiated by the window
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* has changed.
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* @GDK_DROP_START: a drop operation onto the window has started.
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* @GDK_DROP_FINISHED: the drop operation initiated by the window has completed.
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* @GDK_CLIENT_EVENT: a message has been received from another application.
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* @GDK_VISIBILITY_NOTIFY: the window visibility status has changed.
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* @GDK_SCROLL: the scroll wheel was turned
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* @GDK_WINDOW_STATE: the state of a window has changed. See #GdkWindowState
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* for the possible window states
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* @GDK_SETTING: a setting has been modified.
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* @GDK_OWNER_CHANGE: the owner of a selection has changed. This event type
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* was added in 2.6
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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_DAMAGE: the content of the window has been changed. This event type
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* was added in 2.14.
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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 = -1,
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GDK_DELETE = 0,
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GDK_DESTROY = 1,
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GDK_EXPOSE = 2,
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GDK_MOTION_NOTIFY = 3,
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GDK_BUTTON_PRESS = 4,
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GDK_2BUTTON_PRESS = 5,
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GDK_3BUTTON_PRESS = 6,
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GDK_BUTTON_RELEASE = 7,
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GDK_KEY_PRESS = 8,
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GDK_KEY_RELEASE = 9,
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GDK_ENTER_NOTIFY = 10,
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GDK_LEAVE_NOTIFY = 11,
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GDK_FOCUS_CHANGE = 12,
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GDK_CONFIGURE = 13,
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GDK_MAP = 14,
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GDK_UNMAP = 15,
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GDK_PROPERTY_NOTIFY = 16,
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GDK_SELECTION_CLEAR = 17,
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GDK_SELECTION_REQUEST = 18,
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GDK_SELECTION_NOTIFY = 19,
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GDK_PROXIMITY_IN = 20,
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GDK_PROXIMITY_OUT = 21,
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GDK_DRAG_ENTER = 22,
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GDK_DRAG_LEAVE = 23,
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GDK_DRAG_MOTION = 24,
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GDK_DRAG_STATUS = 25,
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GDK_DROP_START = 26,
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GDK_DROP_FINISHED = 27,
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GDK_CLIENT_EVENT = 28,
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GDK_VISIBILITY_NOTIFY = 29,
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GDK_SCROLL = 31,
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GDK_WINDOW_STATE = 32,
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GDK_SETTING = 33,
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GDK_OWNER_CHANGE = 34,
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GDK_GRAB_BROKEN = 35,
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GDK_DAMAGE = 36,
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GDK_EVENT_LAST /* helper variable for decls */
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} GdkEventType;
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/**
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* GdkVisibilityState:
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* @GDK_VISIBILITY_UNOBSCURED: the window is completely visible.
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* @GDK_VISIBILITY_PARTIAL: the window is partially visible.
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* @GDK_VISIBILITY_FULLY_OBSCURED: the window is not visible at all.
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*
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* Specifies the visiblity status of a window for a #GdkEventVisibility.
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*/
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typedef enum
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{
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GDK_VISIBILITY_UNOBSCURED,
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GDK_VISIBILITY_PARTIAL,
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GDK_VISIBILITY_FULLY_OBSCURED
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} GdkVisibilityState;
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/**
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* GdkScrollDirection:
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* @GDK_SCROLL_UP: the window is scrolled up.
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* @GDK_SCROLL_DOWN: the window is scrolled down.
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* @GDK_SCROLL_LEFT: the window is scrolled to the left.
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* @GDK_SCROLL_RIGHT: the window is scrolled to the right.
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*
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* Specifies the direction for #GdkEventScroll.
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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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} GdkScrollDirection;
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/**
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* GdkNotifyType:
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* @GDK_NOTIFY_ANCESTOR: the window 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 window.
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* @GDK_NOTIFY_INFERIOR: the window is entered from an inferior or
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* left towards an inferior.
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* @GDK_NOTIFY_NONLINEAR: the window is entered from or left towards
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* a window which is neither an ancestor nor an inferior.
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* @GDK_NOTIFY_NONLINEAR_VIRTUAL: the pointer moves between two windows
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* which are not ancestors of each other and the window is part of
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* the ancestor chain between one of these windows 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 #GdkEventCrossing.
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*
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* See the X11 protocol specification of <type>LeaveNotify</type> 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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*
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* Specifies the crossing mode for #GdkEventCrossing.
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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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} GdkCrossingMode;
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/**
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* GdkPropertyState:
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* @GDK_PROPERTY_NEW_VALUE: the property value was changed.
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* @GDK_PROPERTY_DELETE: the property was deleted.
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*
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* Specifies the type of a property change for a #GdkEventProperty.
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*/
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typedef enum
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{
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GDK_PROPERTY_NEW_VALUE,
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GDK_PROPERTY_DELETE
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} GdkPropertyState;
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/**
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* GdkWindowState:
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* @GDK_WINDOW_STATE_WITHDRAWN: the window is not shown.
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* @GDK_WINDOW_STATE_ICONIFIED: the window is minimized.
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* @GDK_WINDOW_STATE_MAXIMIZED: the window is maximized.
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* @GDK_WINDOW_STATE_STICKY: the window is sticky.
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* @GDK_WINDOW_STATE_FULLSCREEN: the window is maximized without
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* decorations.
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* @GDK_WINDOW_STATE_ABOVE: the window is kept above other windows.
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* @GDK_WINDOW_STATE_BELOW: the window is kept below other windows.
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*
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* Specifies the state of a toplevel window.
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*/
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typedef enum
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{
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GDK_WINDOW_STATE_WITHDRAWN = 1 << 0,
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GDK_WINDOW_STATE_ICONIFIED = 1 << 1,
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GDK_WINDOW_STATE_MAXIMIZED = 1 << 2,
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GDK_WINDOW_STATE_STICKY = 1 << 3,
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GDK_WINDOW_STATE_FULLSCREEN = 1 << 4,
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GDK_WINDOW_STATE_ABOVE = 1 << 5,
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GDK_WINDOW_STATE_BELOW = 1 << 6
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} GdkWindowState;
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/**
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* GdkSettingAction:
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* @GDK_SETTING_ACTION_NEW: a setting was added.
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* @GDK_SETTING_ACTION_CHANGED: a setting was changed.
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* @GDK_SETTING_ACTION_DELETED: a setting was deleted.
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*
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* Specifies the kind of modification applied to a setting in a
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* #GdkEventSetting.
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*/
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typedef enum
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{
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GDK_SETTING_ACTION_NEW,
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GDK_SETTING_ACTION_CHANGED,
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GDK_SETTING_ACTION_DELETED
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} GdkSettingAction;
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/**
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* GdkOwnerChange:
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* @GDK_OWNER_CHANGE_NEW_OWNER: some other app claimed the ownership
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* @GDK_OWNER_CHANGE_DESTROY: the window was destroyed
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* @GDK_OWNER_CHANGE_CLOSE: the client was closed
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*
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* Specifies why a selection ownership was changed.
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*/
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typedef enum
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{
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GDK_OWNER_CHANGE_NEW_OWNER,
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GDK_OWNER_CHANGE_DESTROY,
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GDK_OWNER_CHANGE_CLOSE
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} GdkOwnerChange;
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/**
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* GdkEventAny:
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* @type: the type of the event.
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* @window: the window which received the event.
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* @send_event: %TRUE if the event was sent explicitly (e.g. using
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* <function>XSendEvent</function>).
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*
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* Contains the fields which are common to all event structs.
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* Any event pointer can safely be cast to a pointer to a #GdkEventAny to
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* access these fields.
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*/
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struct _GdkEventAny
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{
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GdkEventType type;
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GdkWindow *window;
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gint8 send_event;
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};
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/**
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* GdkEventExpose:
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* @type: the type of the event (%GDK_EXPOSE or %GDK_DAMAGE).
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* @window: the window which received the event.
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* @send_event: %TRUE if the event was sent explicitly (e.g. using
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* <function>XSendEvent</function>).
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* @area: bounding box of @region.
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* @region: the region that needs to be redrawn.
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* @count: the number of contiguous %GDK_EXPOSE events following this one.
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* 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. */
|
|
};
|
|
|
|
/**
|
|
* GdkEventVisibility:
|
|
* @type: the type of the event (%GDK_VISIBILITY_NOTIFY).
|
|
* @window: the window which received the event.
|
|
* @send_event: %TRUE if the event was sent explicitly (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @state: the new visibility state (%GDK_VISIBILITY_FULLY_OBSCURED,
|
|
* %GDK_VISIBILITY_PARTIAL or %GDK_VISIBILITY_UNOBSCURED).
|
|
*
|
|
* Generated when the window visibility status has changed.
|
|
*/
|
|
struct _GdkEventVisibility
|
|
{
|
|
GdkEventType type;
|
|
GdkWindow *window;
|
|
gint8 send_event;
|
|
GdkVisibilityState state;
|
|
};
|
|
|
|
/**
|
|
* GdkEventMotion:
|
|
* @type: the type of the event.
|
|
* @window: the window which received the event.
|
|
* @send_event: %TRUE if the event was sent explicitly (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 device where the event originated.
|
|
* @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, %GDK_2BUTTON_PRESS,
|
|
* %GDK_3BUTTON_PRESS or %GDK_BUTTON_RELEASE).
|
|
* @window: the window which received the event.
|
|
* @send_event: %TRUE if the event was sent explicitly (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 device where the event originated.
|
|
* @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,
|
|
* %GDK_2BUTTON_PRESS, %GDK_3BUTTON_PRESS, and %GDK_BUTTON_RELEASE.
|
|
*
|
|
* Double and triple-clicks result in a sequence of events being received.
|
|
* For double-clicks the order of events will be:
|
|
* <orderedlist>
|
|
* <listitem><para>%GDK_BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_RELEASE</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_2BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_RELEASE</para></listitem>
|
|
* </orderedlist>
|
|
* Note that the first click is received just like a normal
|
|
* button press, while the second click results in a %GDK_2BUTTON_PRESS
|
|
* being received just after the %GDK_BUTTON_PRESS.
|
|
*
|
|
* Triple-clicks are very similar to double-clicks, except that
|
|
* %GDK_3BUTTON_PRESS is inserted after the third click. The order of the
|
|
* events is:
|
|
* <orderedlist>
|
|
* <listitem><para>%GDK_BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_RELEASE</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_2BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_RELEASE</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_3BUTTON_PRESS</para></listitem>
|
|
* <listitem><para>%GDK_BUTTON_RELEASE</para></listitem>
|
|
* </orderedlist>
|
|
*
|
|
* For a double click to occur, the second button press must occur within
|
|
* 1/4 of a second of the first. For a triple click to occur, the third
|
|
* button press must also occur within 1/2 second of the first button press.
|
|
*/
|
|
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;
|
|
};
|
|
|
|
/**
|
|
* 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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 and %GDK_SCROLL_RIGHT).
|
|
* @device: the device where the event originated.
|
|
* @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 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.
|
|
*/
|
|
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;
|
|
};
|
|
|
|
/**
|
|
* 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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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
|
|
* <filename><gdk/gdkkeysyms.h></filename> header file for a
|
|
* complete list of GDK key codes.
|
|
* @length: the length of @string.
|
|
* @string: a string containing the 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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @atom: the property that was changed.
|
|
* @time: the time of the event in milliseconds.
|
|
* @state: 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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 native window on which to place @property.
|
|
*
|
|
* 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;
|
|
GdkNativeWindow 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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @owner: the new owner of the selection.
|
|
* @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;
|
|
GdkNativeWindow owner;
|
|
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 (e.g. using <function>XSendEvent</function>).
|
|
* @time: the time of the event in milliseconds.
|
|
* @device: the device where the event originated.
|
|
*
|
|
* 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
|
|
{
|
|
GdkEventType type;
|
|
GdkWindow *window;
|
|
gint8 send_event;
|
|
guint32 time;
|
|
GdkDevice *device;
|
|
};
|
|
|
|
/**
|
|
* GdkEventClient:
|
|
* @type: the type of the event (%GDK_CLIENT_EVENT).
|
|
* @window: the window which received the event.
|
|
* @send_event: %TRUE if the event was sent explicitly (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @message_type: the type of the message, which can be defined by the
|
|
* application.
|
|
* @data_format: the format of the data, given as the number of bits in each
|
|
* data element, i.e. 8, 16, or 32. 8-bit data uses the b array of the
|
|
* data union, 16-bit data uses the s array, and 32-bit data uses the l
|
|
* array.
|
|
*
|
|
* An event sent by another client application.
|
|
*/
|
|
struct _GdkEventClient
|
|
{
|
|
GdkEventType type;
|
|
GdkWindow *window;
|
|
gint8 send_event;
|
|
GdkAtom message_type;
|
|
gushort data_format;
|
|
union {
|
|
char b[20];
|
|
short s[10];
|
|
long l[5];
|
|
} data;
|
|
};
|
|
|
|
/**
|
|
* GdkEventSetting:
|
|
* @type: the type of the event (%GDK_SETTING).
|
|
* @window: the window which received the event.
|
|
* @send_event: %TRUE if the event was sent explicitly (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @action: what happened to the setting (%GDK_SETTING_ACTION_NEW,
|
|
* %GDK_SETTING_ACTION_CHANGED or %GDK_SETTING_ACTION_DELETED).
|
|
* @name: the name of the setting.
|
|
*
|
|
* Generated when a setting is modified.
|
|
*/
|
|
struct _GdkEventSetting
|
|
{
|
|
GdkEventType type;
|
|
GdkWindow *window;
|
|
gint8 send_event;
|
|
GdkSettingAction action;
|
|
char *name;
|
|
};
|
|
|
|
/**
|
|
* 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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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 (e.g. using
|
|
* <function>XSendEvent</function>).
|
|
* @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;
|
|
};
|
|
|
|
/**
|
|
* GdkEvent:
|
|
*
|
|
* The #GdkEvent struct contains a union of all of the event structs,
|
|
* 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 structs, and
|
|
* can always be accessed with the following code, no matter what type of
|
|
* event it is:
|
|
* <informalexample>
|
|
* <programlisting>
|
|
* GdkEvent *event;
|
|
* GdkEventType type;
|
|
*
|
|
* type = event->type;
|
|
* </programlisting>
|
|
* </informalexample>
|
|
*
|
|
* To access other fields of the event structs, the pointer to the event
|
|
* can be cast to the appropriate event struct pointer, 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:
|
|
* <informalexample>
|
|
* <programlisting>
|
|
* GdkEvent *event;
|
|
* gdouble x;
|
|
*
|
|
* x = ((GdkEventButton*)event)->x;
|
|
* </programlisting>
|
|
* </informalexample>
|
|
* or:
|
|
* <informalexample>
|
|
* <programlisting>
|
|
* GdkEvent *event;
|
|
* gdouble x;
|
|
*
|
|
* x = event->button.x;
|
|
* </programlisting>
|
|
* </informalexample>
|
|
*/
|
|
union _GdkEvent
|
|
{
|
|
GdkEventType type;
|
|
GdkEventAny any;
|
|
GdkEventExpose expose;
|
|
GdkEventVisibility visibility;
|
|
GdkEventMotion motion;
|
|
GdkEventButton button;
|
|
GdkEventScroll scroll;
|
|
GdkEventKey key;
|
|
GdkEventCrossing crossing;
|
|
GdkEventFocus focus_change;
|
|
GdkEventConfigure configure;
|
|
GdkEventProperty property;
|
|
GdkEventSelection selection;
|
|
GdkEventOwnerChange owner_change;
|
|
GdkEventProximity proximity;
|
|
GdkEventClient client;
|
|
GdkEventDND dnd;
|
|
GdkEventWindowState window_state;
|
|
GdkEventSetting setting;
|
|
GdkEventGrabBroken grab_broken;
|
|
};
|
|
|
|
GType gdk_event_get_type (void) G_GNUC_CONST;
|
|
|
|
gboolean gdk_events_pending (void);
|
|
GdkEvent* gdk_event_get (void);
|
|
|
|
GdkEvent* gdk_event_peek (void);
|
|
void gdk_event_put (const GdkEvent *event);
|
|
|
|
GdkEvent* gdk_event_new (GdkEventType type);
|
|
GdkEvent* gdk_event_copy (const GdkEvent *event);
|
|
void gdk_event_free (GdkEvent *event);
|
|
|
|
guint32 gdk_event_get_time (const GdkEvent *event);
|
|
gboolean gdk_event_get_state (const GdkEvent *event,
|
|
GdkModifierType *state);
|
|
gboolean gdk_event_get_coords (const GdkEvent *event,
|
|
gdouble *x_win,
|
|
gdouble *y_win);
|
|
gboolean gdk_event_get_root_coords (const GdkEvent *event,
|
|
gdouble *x_root,
|
|
gdouble *y_root);
|
|
gboolean gdk_event_get_axis (const GdkEvent *event,
|
|
GdkAxisUse axis_use,
|
|
gdouble *value);
|
|
void gdk_event_set_device (GdkEvent *event,
|
|
GdkDevice *device);
|
|
GdkDevice* gdk_event_get_device (const GdkEvent *event);
|
|
void gdk_event_set_source_device (GdkEvent *event,
|
|
GdkDevice *device);
|
|
GdkDevice* gdk_event_get_source_device (const GdkEvent *event);
|
|
void gdk_event_request_motions (const GdkEventMotion *event);
|
|
|
|
gboolean gdk_events_get_distance (GdkEvent *event1,
|
|
GdkEvent *event2,
|
|
gdouble *distance);
|
|
gboolean gdk_events_get_angle (GdkEvent *event1,
|
|
GdkEvent *event2,
|
|
gdouble *angle);
|
|
gboolean gdk_events_get_center (GdkEvent *event1,
|
|
GdkEvent *event2,
|
|
gdouble *x,
|
|
gdouble *y);
|
|
|
|
void gdk_event_handler_set (GdkEventFunc func,
|
|
gpointer data,
|
|
GDestroyNotify notify);
|
|
|
|
void gdk_event_set_screen (GdkEvent *event,
|
|
GdkScreen *screen);
|
|
GdkScreen *gdk_event_get_screen (const GdkEvent *event);
|
|
|
|
void gdk_set_show_events (gboolean show_events);
|
|
gboolean gdk_get_show_events (void);
|
|
|
|
#ifndef GDK_MULTIHEAD_SAFE
|
|
|
|
gboolean gdk_setting_get (const gchar *name,
|
|
GValue *value);
|
|
void gdk_add_client_message_filter (GdkAtom message_type,
|
|
GdkFilterFunc func,
|
|
gpointer data);
|
|
gboolean gdk_event_send_client_message (GdkEvent *event,
|
|
GdkNativeWindow winid);
|
|
void gdk_event_send_clientmessage_toall (GdkEvent *event);
|
|
|
|
#endif /* GDK_MULTIHEAD_SAFE */
|
|
|
|
gboolean gdk_event_send_client_message_for_display (GdkDisplay *display,
|
|
GdkEvent *event,
|
|
GdkNativeWindow winid);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GDK_EVENTS_H__ */
|