mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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9d644e9d2d
Move declarations to other headers, and introduce some new ones: gdkmain.h, gdkrectangle.h, gdkthreads.h.
590 lines
15 KiB
C
590 lines
15 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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#define GDK_TYPE_EVENT (gdk_event_get_type ())
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#define GDK_PRIORITY_EVENTS (G_PRIORITY_DEFAULT)
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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 _GdkEventNoExpose GdkEventNoExpose;
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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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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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/* Event types.
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* Nothing: No event occurred.
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* Delete: A window delete event was sent by the window manager.
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* The specified window should be deleted.
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* Destroy: A window has been destroyed.
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* Expose: Part of a window has been uncovered.
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* NoExpose: Same as expose, but no expose event was generated.
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* VisibilityNotify: A window has become fully/partially/not obscured.
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* MotionNotify: The mouse has moved.
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* ButtonPress: A mouse button was pressed.
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* ButtonRelease: A mouse button was release.
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* KeyPress: A key was pressed.
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* KeyRelease: A key was released.
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* EnterNotify: A window was entered.
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* LeaveNotify: A window was exited.
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* FocusChange: The focus window has changed. (The focus window gets
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* keyboard events).
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* Resize: A window has been resized.
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* Map: A window has been mapped. (It is now visible on the screen).
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* Unmap: A window has been unmapped. (It is no longer visible on
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* the screen).
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* Scroll: A mouse wheel was scrolled either up or down.
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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_NO_EXPOSE = 30,
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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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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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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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/* Types of enter/leave notifications.
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* Ancestor:
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* Virtual:
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* Inferior:
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* Nonlinear:
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* NonlinearVirtual:
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* Unknown: An unknown type of enter/leave event occurred.
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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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/* Enter/leave event modes.
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* NotifyNormal
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* NotifyGrab
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* NotifyUngrab
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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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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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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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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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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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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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struct _GdkEventExpose
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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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GdkRectangle area;
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cairo_region_t *region;
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gint count; /* If non-zero, how many more events follow. */
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};
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struct _GdkEventNoExpose
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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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struct _GdkEventVisibility
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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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GdkVisibilityState state;
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};
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struct _GdkEventMotion
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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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guint32 time;
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gdouble x;
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gdouble y;
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gdouble *axes;
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guint state;
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gint16 is_hint;
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GdkDevice *device;
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gdouble x_root, y_root;
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};
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struct _GdkEventButton
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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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guint32 time;
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gdouble x;
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gdouble y;
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gdouble *axes;
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guint state;
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guint button;
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GdkDevice *device;
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gdouble x_root, y_root;
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};
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struct _GdkEventScroll
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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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guint32 time;
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gdouble x;
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gdouble y;
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guint state;
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GdkScrollDirection direction;
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GdkDevice *device;
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gdouble x_root, y_root;
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};
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struct _GdkEventKey
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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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guint32 time;
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guint state;
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guint keyval;
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gint length;
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gchar *string;
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guint16 hardware_keycode;
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guint8 group;
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guint is_modifier : 1;
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};
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struct _GdkEventCrossing
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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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GdkWindow *subwindow;
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guint32 time;
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gdouble x;
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gdouble y;
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gdouble x_root;
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gdouble y_root;
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GdkCrossingMode mode;
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GdkNotifyType detail;
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gboolean focus;
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guint state;
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};
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struct _GdkEventFocus
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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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gint16 in;
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};
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struct _GdkEventConfigure
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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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gint x, y;
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gint width;
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gint height;
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};
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struct _GdkEventProperty
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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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GdkAtom atom;
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guint32 time;
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guint state;
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};
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struct _GdkEventSelection
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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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GdkAtom selection;
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GdkAtom target;
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GdkAtom property;
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guint32 time;
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GdkNativeWindow requestor;
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};
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struct _GdkEventOwnerChange
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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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GdkNativeWindow owner;
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GdkOwnerChange reason;
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GdkAtom selection;
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guint32 time;
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guint32 selection_time;
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};
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/* This event type will be used pretty rarely. It only is important
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for XInput aware programs that are drawing their own cursor */
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struct _GdkEventProximity
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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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guint32 time;
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GdkDevice *device;
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};
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struct _GdkEventClient
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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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GdkAtom message_type;
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gushort data_format;
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union {
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char b[20];
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short s[10];
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long l[5];
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} data;
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};
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struct _GdkEventSetting
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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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GdkSettingAction action;
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char *name;
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};
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struct _GdkEventWindowState
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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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GdkWindowState changed_mask;
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GdkWindowState new_window_state;
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};
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struct _GdkEventGrabBroken {
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GdkEventType type;
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GdkWindow *window;
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gint8 send_event;
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gboolean keyboard;
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gboolean implicit;
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GdkWindow *grab_window;
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};
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/* Event types for DND */
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struct _GdkEventDND {
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GdkEventType type;
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GdkWindow *window;
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gint8 send_event;
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GdkDragContext *context;
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guint32 time;
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gshort x_root, y_root;
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};
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union _GdkEvent
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{
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GdkEventType type;
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GdkEventAny any;
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GdkEventExpose expose;
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GdkEventNoExpose no_expose;
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GdkEventVisibility visibility;
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GdkEventMotion motion;
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GdkEventButton button;
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GdkEventScroll scroll;
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GdkEventKey key;
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GdkEventCrossing crossing;
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GdkEventFocus focus_change;
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GdkEventConfigure configure;
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GdkEventProperty property;
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GdkEventSelection selection;
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GdkEventOwnerChange owner_change;
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GdkEventProximity proximity;
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GdkEventClient client;
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GdkEventDND dnd;
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GdkEventWindowState window_state;
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GdkEventSetting setting;
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GdkEventGrabBroken grab_broken;
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};
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GType gdk_event_get_type (void) G_GNUC_CONST;
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gboolean gdk_events_pending (void);
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GdkEvent* gdk_event_get (void);
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GdkEvent* gdk_event_peek (void);
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void gdk_event_put (const GdkEvent *event);
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GdkEvent* gdk_event_new (GdkEventType type);
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GdkEvent* gdk_event_copy (const GdkEvent *event);
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void gdk_event_free (GdkEvent *event);
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guint32 gdk_event_get_time (const GdkEvent *event);
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gboolean gdk_event_get_state (const GdkEvent *event,
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GdkModifierType *state);
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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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gboolean gdk_event_get_root_coords (const GdkEvent *event,
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gdouble *x_root,
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gdouble *y_root);
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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);
|
|
void gdk_event_set_device (GdkEvent *event,
|
|
GdkDevice *device);
|
|
GdkDevice* gdk_event_get_device (const GdkEvent *event);
|
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void gdk_event_request_motions (const GdkEventMotion *event);
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|
|
|
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__ */
|