i3
xcb.h
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1/*
2 * vim:ts=4:sw=4:expandtab
3 *
4 * i3 - an improved tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
6 *
7 * xcb.c: Helper functions for easier usage of XCB
8 *
9 */
10#pragma once
11
12#include <config.h>
13
14#include "data.h"
15#include "xcursor.h"
16
17#define _NET_WM_STATE_REMOVE 0
18#define _NET_WM_STATE_ADD 1
19#define _NET_WM_STATE_TOGGLE 2
20
21/* from X11/keysymdef.h */
22#define XCB_NUM_LOCK 0xff7f
23
24/* The event masks are defined here because we don’t only set them once but we
25 need to set slight variations of them (without XCB_EVENT_MASK_ENTER_WINDOW
26 while rendering the layout) */
28#define CHILD_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE | \
29 XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
30 XCB_EVENT_MASK_FOCUS_CHANGE)
31
33#define FRAME_EVENT_MASK (XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed/released */ \
34 XCB_EVENT_MASK_BUTTON_RELEASE | \
35 XCB_EVENT_MASK_POINTER_MOTION | /* …mouse is moved */ \
36 XCB_EVENT_MASK_EXPOSURE | /* …our window needs to be redrawn */ \
37 XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* …the frame gets destroyed */ \
38 XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | /* …the application tries to resize itself */ \
39 XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | /* …subwindows get notifies */ \
40 XCB_EVENT_MASK_ENTER_WINDOW) /* …user moves cursor inside our window */
41
42#define ROOT_EVENT_MASK (XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | \
43 XCB_EVENT_MASK_BUTTON_PRESS | \
44 XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* when the user adds a screen (e.g. video \
45 * projector), the root window gets a \
46 * ConfigureNotify */ \
47 XCB_EVENT_MASK_POINTER_MOTION | \
48 XCB_EVENT_MASK_PROPERTY_CHANGE | \
49 XCB_EVENT_MASK_FOCUS_CHANGE | \
50 XCB_EVENT_MASK_ENTER_WINDOW)
51
54
55#define xmacro(atom) extern xcb_atom_t A_##atom;
58#undef xmacro
59
60extern unsigned int xcb_numlock_mask;
61
67xcb_window_t create_window(xcb_connection_t *conn, Rect r, uint16_t depth, xcb_visualid_t visual,
68 uint16_t window_class, enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values);
69
76
81void send_take_focus(xcb_window_t window, xcb_timestamp_t timestamp);
82
87void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r);
88
93xcb_atom_t xcb_get_preferred_window_type(xcb_get_property_reply_t *reply);
94
99bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom);
100
105xcb_visualtype_t *get_visualtype_by_id(xcb_visualid_t visual_id);
106
111xcb_visualid_t get_visualid_by_depth(uint16_t depth);
112
118void xcb_add_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom);
119
126void xcb_remove_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom);
127
132void xcb_grab_buttons(xcb_connection_t *conn, xcb_window_t window, int *buttons);
xcb_connection_t * conn
XCB connection and root screen.
Definition main.c:54
#define I3_NET_SUPPORTED_ATOMS_XMACRO
#define I3_REST_ATOMS_XMACRO
xcb_visualid_t visual_id
xcb_visualid_t get_visualid_by_depth(uint16_t depth)
Get visualid with specified depth.
Definition xcb.c:199
xcb_atom_t xcb_get_preferred_window_type(xcb_get_property_reply_t *reply)
Returns the first supported _NET_WM_WINDOW_TYPE atom.
Definition xcb.c:123
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r)
Configures the given window to have the size/position specified by given rect.
Definition xcb.c:107
void send_take_focus(xcb_window_t window, xcb_timestamp_t timestamp)
Sends the WM_TAKE_FOCUS ClientMessage to the given window.
Definition xcb.c:84
void xcb_add_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom)
Add an atom to a list of atoms the given property defines.
Definition xcb.c:224
xcb_window_t create_window(xcb_connection_t *conn, Rect r, uint16_t depth, xcb_visualid_t visual, uint16_t window_class, enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values)
Convenience wrapper around xcb_create_window which takes care of depth, generating an ID and checking...
Definition xcb.c:19
void xcb_remove_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom)
Remove an atom from a list of atoms the given property defines without removing any other potentially...
Definition xcb.c:234
void fake_absolute_configure_notify(Con *con)
Generates a configure_notify_event with absolute coordinates (relative to the X root window,...
Definition xcb.c:64
I3_NET_SUPPORTED_ATOMS_XMACRO I3_REST_ATOMS_XMACRO unsigned int xcb_numlock_mask
Definition xcb.c:12
xcb_visualtype_t * get_visualtype_by_id(xcb_visualid_t visual_id)
Get visual type specified by visualid.
Definition xcb.c:178
bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom)
Returns true if the given reply contains the given data.
Definition xcb.c:155
void xcb_grab_buttons(xcb_connection_t *conn, xcb_window_t window, int *buttons)
Grab the specified buttons on a window when managing it.
Definition xcb.c:270
xcursor_cursor_t
Definition xcursor.h:16
Stores a rectangle, for example the size of a window, the child window etc.
Definition data.h:185
A 'Con' represents everything from the X11 root window down to a single X11 window.
Definition data.h:643