1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
28 #error "Only <gdk/gdk.h> can be included directly."
31 #ifndef __GDK_EVENTS_H__
32 #define __GDK_EVENTS_H__
34 #include <gdk/gdkcolor.h>
35 #include <gdk/gdktypes.h>
36 #include <gdk/gdkdnd.h>
37 #include <gdk/gdkinput.h>
41 #define GDK_TYPE_EVENT (gdk_event_get_type ())
43 #define GDK_PRIORITY_EVENTS (G_PRIORITY_DEFAULT)
44 #define GDK_PRIORITY_REDRAW (G_PRIORITY_HIGH_IDLE + 20)
47 typedef struct _GdkEventAny GdkEventAny;
48 typedef struct _GdkEventExpose GdkEventExpose;
49 typedef struct _GdkEventNoExpose GdkEventNoExpose;
50 typedef struct _GdkEventVisibility GdkEventVisibility;
51 typedef struct _GdkEventMotion GdkEventMotion;
52 typedef struct _GdkEventButton GdkEventButton;
53 typedef struct _GdkEventScroll GdkEventScroll;
54 typedef struct _GdkEventKey GdkEventKey;
55 typedef struct _GdkEventFocus GdkEventFocus;
56 typedef struct _GdkEventCrossing GdkEventCrossing;
57 typedef struct _GdkEventConfigure GdkEventConfigure;
58 typedef struct _GdkEventProperty GdkEventProperty;
59 typedef struct _GdkEventSelection GdkEventSelection;
60 typedef struct _GdkEventOwnerChange GdkEventOwnerChange;
61 typedef struct _GdkEventProximity GdkEventProximity;
62 typedef struct _GdkEventClient GdkEventClient;
63 typedef struct _GdkEventDND GdkEventDND;
64 typedef struct _GdkEventWindowState GdkEventWindowState;
65 typedef struct _GdkEventSetting GdkEventSetting;
66 typedef struct _GdkEventGrabBroken GdkEventGrabBroken;
68 typedef union _GdkEvent GdkEvent;
70 typedef void (*GdkEventFunc) (GdkEvent *event,
75 typedef void GdkXEvent; /* Can be cast to window system specific
76 * even type, XEvent on X11, MSG on Win32.
80 GDK_FILTER_CONTINUE, /* Event not handled, continue processesing */
81 GDK_FILTER_TRANSLATE, /* Native event translated into a GDK event and
82 stored in the "event" structure that was
84 GDK_FILTER_REMOVE /* Terminate processing, removing event */
87 typedef GdkFilterReturn (*GdkFilterFunc) (GdkXEvent *xevent,
93 * Nothing: No event occurred.
94 * Delete: A window delete event was sent by the window manager.
95 * The specified window should be deleted.
96 * Destroy: A window has been destroyed.
97 * Expose: Part of a window has been uncovered.
98 * NoExpose: Same as expose, but no expose event was generated.
99 * VisibilityNotify: A window has become fully/partially/not obscured.
100 * MotionNotify: The mouse has moved.
101 * ButtonPress: A mouse button was pressed.
102 * ButtonRelease: A mouse button was release.
103 * KeyPress: A key was pressed.
104 * KeyRelease: A key was released.
105 * EnterNotify: A window was entered.
106 * LeaveNotify: A window was exited.
107 * FocusChange: The focus window has changed. (The focus window gets
109 * Resize: A window has been resized.
110 * Map: A window has been mapped. (It is now visible on the screen).
111 * Unmap: A window has been unmapped. (It is no longer visible on
113 * Scroll: A mouse wheel was scrolled either up or down.
121 GDK_MOTION_NOTIFY = 3,
122 GDK_BUTTON_PRESS = 4,
123 GDK_2BUTTON_PRESS = 5,
124 GDK_3BUTTON_PRESS = 6,
125 GDK_BUTTON_RELEASE = 7,
128 GDK_ENTER_NOTIFY = 10,
129 GDK_LEAVE_NOTIFY = 11,
130 GDK_FOCUS_CHANGE = 12,
134 GDK_PROPERTY_NOTIFY = 16,
135 GDK_SELECTION_CLEAR = 17,
136 GDK_SELECTION_REQUEST = 18,
137 GDK_SELECTION_NOTIFY = 19,
138 GDK_PROXIMITY_IN = 20,
139 GDK_PROXIMITY_OUT = 21,
142 GDK_DRAG_MOTION = 24,
143 GDK_DRAG_STATUS = 25,
145 GDK_DROP_FINISHED = 27,
146 GDK_CLIENT_EVENT = 28,
147 GDK_VISIBILITY_NOTIFY = 29,
150 GDK_WINDOW_STATE = 32,
152 GDK_OWNER_CHANGE = 34,
153 GDK_GRAB_BROKEN = 35,
155 GDK_EVENT_LAST /* helper variable for decls */
158 /* Event masks. (Used to select what types of events a window
163 GDK_EXPOSURE_MASK = 1 << 1,
164 GDK_POINTER_MOTION_MASK = 1 << 2,
165 GDK_POINTER_MOTION_HINT_MASK = 1 << 3,
166 GDK_BUTTON_MOTION_MASK = 1 << 4,
167 GDK_BUTTON1_MOTION_MASK = 1 << 5,
168 GDK_BUTTON2_MOTION_MASK = 1 << 6,
169 GDK_BUTTON3_MOTION_MASK = 1 << 7,
170 GDK_BUTTON_PRESS_MASK = 1 << 8,
171 GDK_BUTTON_RELEASE_MASK = 1 << 9,
172 GDK_KEY_PRESS_MASK = 1 << 10,
173 GDK_KEY_RELEASE_MASK = 1 << 11,
174 GDK_ENTER_NOTIFY_MASK = 1 << 12,
175 GDK_LEAVE_NOTIFY_MASK = 1 << 13,
176 GDK_FOCUS_CHANGE_MASK = 1 << 14,
177 GDK_STRUCTURE_MASK = 1 << 15,
178 GDK_PROPERTY_CHANGE_MASK = 1 << 16,
179 GDK_VISIBILITY_NOTIFY_MASK = 1 << 17,
180 GDK_PROXIMITY_IN_MASK = 1 << 18,
181 GDK_PROXIMITY_OUT_MASK = 1 << 19,
182 GDK_SUBSTRUCTURE_MASK = 1 << 20,
183 GDK_SCROLL_MASK = 1 << 21,
184 GDK_ALL_EVENTS_MASK = 0x3FFFFE
189 GDK_VISIBILITY_UNOBSCURED,
190 GDK_VISIBILITY_PARTIAL,
191 GDK_VISIBILITY_FULLY_OBSCURED
192 } GdkVisibilityState;
200 } GdkScrollDirection;
202 /* Types of enter/leave notifications.
208 * Unknown: An unknown type of enter/leave event occurred.
212 GDK_NOTIFY_ANCESTOR = 0,
213 GDK_NOTIFY_VIRTUAL = 1,
214 GDK_NOTIFY_INFERIOR = 2,
215 GDK_NOTIFY_NONLINEAR = 3,
216 GDK_NOTIFY_NONLINEAR_VIRTUAL = 4,
217 GDK_NOTIFY_UNKNOWN = 5
220 /* Enter/leave event modes.
230 GDK_CROSSING_GTK_GRAB,
231 GDK_CROSSING_GTK_UNGRAB,
232 GDK_CROSSING_STATE_CHANGED
237 GDK_PROPERTY_NEW_VALUE,
243 GDK_WINDOW_STATE_WITHDRAWN = 1 << 0,
244 GDK_WINDOW_STATE_ICONIFIED = 1 << 1,
245 GDK_WINDOW_STATE_MAXIMIZED = 1 << 2,
246 GDK_WINDOW_STATE_STICKY = 1 << 3,
247 GDK_WINDOW_STATE_FULLSCREEN = 1 << 4,
248 GDK_WINDOW_STATE_ABOVE = 1 << 5,
249 GDK_WINDOW_STATE_BELOW = 1 << 6
254 GDK_SETTING_ACTION_NEW,
255 GDK_SETTING_ACTION_CHANGED,
256 GDK_SETTING_ACTION_DELETED
261 GDK_OWNER_CHANGE_NEW_OWNER,
262 GDK_OWNER_CHANGE_DESTROY,
263 GDK_OWNER_CHANGE_CLOSE
273 struct _GdkEventExpose
280 gint count; /* If non-zero, how many more events follow. */
283 struct _GdkEventNoExpose
290 struct _GdkEventVisibility
295 GdkVisibilityState state;
298 struct _GdkEventMotion
310 gdouble x_root, y_root;
313 struct _GdkEventButton
325 gdouble x_root, y_root;
328 struct _GdkEventScroll
337 GdkScrollDirection direction;
339 gdouble x_root, y_root;
352 guint16 hardware_keycode;
354 guint is_modifier : 1;
357 struct _GdkEventCrossing
362 GdkWindow *subwindow;
368 GdkCrossingMode mode;
369 GdkNotifyType detail;
374 struct _GdkEventFocus
382 struct _GdkEventConfigure
392 struct _GdkEventProperty
402 struct _GdkEventSelection
411 GdkNativeWindow requestor;
414 struct _GdkEventOwnerChange
419 GdkNativeWindow owner;
420 GdkOwnerChange reason;
423 guint32 selection_time;
426 /* This event type will be used pretty rarely. It only is important
427 for XInput aware programs that are drawing their own cursor */
429 struct _GdkEventProximity
438 struct _GdkEventClient
443 GdkAtom message_type;
452 struct _GdkEventSetting
457 GdkSettingAction action;
461 struct _GdkEventWindowState
466 GdkWindowState changed_mask;
467 GdkWindowState new_window_state;
470 struct _GdkEventGrabBroken {
476 GdkWindow *grab_window;
479 /* Event types for DND */
481 struct _GdkEventDND {
485 GdkDragContext *context;
488 gshort x_root, y_root;
495 GdkEventExpose expose;
496 GdkEventNoExpose no_expose;
497 GdkEventVisibility visibility;
498 GdkEventMotion motion;
499 GdkEventButton button;
500 GdkEventScroll scroll;
502 GdkEventCrossing crossing;
503 GdkEventFocus focus_change;
504 GdkEventConfigure configure;
505 GdkEventProperty property;
506 GdkEventSelection selection;
507 GdkEventOwnerChange owner_change;
508 GdkEventProximity proximity;
509 GdkEventClient client;
511 GdkEventWindowState window_state;
512 GdkEventSetting setting;
513 GdkEventGrabBroken grab_broken;
516 GType gdk_event_get_type (void) G_GNUC_CONST;
518 gboolean gdk_events_pending (void);
519 GdkEvent* gdk_event_get (void);
521 GdkEvent* gdk_event_peek (void);
522 void gdk_event_put (const GdkEvent *event);
524 GdkEvent* gdk_event_new (GdkEventType type);
525 GdkEvent* gdk_event_copy (const GdkEvent *event);
526 void gdk_event_free (GdkEvent *event);
528 guint32 gdk_event_get_time (const GdkEvent *event);
529 gboolean gdk_event_get_state (const GdkEvent *event,
530 GdkModifierType *state);
531 gboolean gdk_event_get_coords (const GdkEvent *event,
534 gboolean gdk_event_get_root_coords (const GdkEvent *event,
537 gboolean gdk_event_get_axis (const GdkEvent *event,
540 void gdk_event_request_motions (const GdkEventMotion *event);
541 void gdk_event_handler_set (GdkEventFunc func,
543 GDestroyNotify notify);
545 void gdk_event_set_screen (GdkEvent *event,
547 GdkScreen *gdk_event_get_screen (const GdkEvent *event);
549 void gdk_set_show_events (gboolean show_events);
550 gboolean gdk_get_show_events (void);
552 #ifndef GDK_MULTIHEAD_SAFE
553 void gdk_add_client_message_filter (GdkAtom message_type,
557 gboolean gdk_setting_get (const gchar *name,
559 #endif /* GDK_MULTIHEAD_SAFE */
563 #endif /* __GDK_EVENTS_H__ */