xcb.h

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/*
 * vim:ts=4:sw=4:expandtab
 *
 * i3 - an improved dynamic tiling window manager
 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
 *
 * xcb.c: Helper functions for easier usage of XCB
 *
 */
#pragma once
 
#include <config.h>
 
#include "data.h"
#include "xcursor.h"
 
#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
 
#define XCB_CURSOR_LEFT_PTR 68
#define XCB_CURSOR_SB_H_DOUBLE_ARROW 108
#define XCB_CURSOR_SB_V_DOUBLE_ARROW 116
#define XCB_CURSOR_WATCH 150
 
/* from X11/keysymdef.h */
#define XCB_NUM_LOCK 0xff7f
 
/* The event masks are defined here because we don’t only set them once but we
   need to set slight variations of them (without XCB_EVENT_MASK_ENTER_WINDOW
   while rendering the layout) */
#define CHILD_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE |  \
                          XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
                          XCB_EVENT_MASK_FOCUS_CHANGE)
 
#define FRAME_EVENT_MASK (XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed/released */                       \
                          XCB_EVENT_MASK_BUTTON_RELEASE |                                                        \
                          XCB_EVENT_MASK_POINTER_MOTION |        /* …mouse is moved */                         \
                          XCB_EVENT_MASK_EXPOSURE |              /* …our window needs to be redrawn */         \
                          XCB_EVENT_MASK_STRUCTURE_NOTIFY |      /* …the frame gets destroyed */               \
                          XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | /* …the application tries to resize itself */ \
                          XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |   /* …subwindows get notifies */                \
                          XCB_EVENT_MASK_ENTER_WINDOW)           /* …user moves cursor inside our window */
 
#define ROOT_EVENT_MASK (XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |                                       \
                         XCB_EVENT_MASK_BUTTON_PRESS |                                                \
                         XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* when the user adds a screen (e.g. video \
                                                                  projector), the root window gets a  \
                                                                  ConfigureNotify */                  \
                         XCB_EVENT_MASK_POINTER_MOTION |                                              \
                         XCB_EVENT_MASK_PROPERTY_CHANGE |                                             \
                         XCB_EVENT_MASK_FOCUS_CHANGE |                                                \
                         XCB_EVENT_MASK_ENTER_WINDOW)
 
#define xmacro(atom) extern xcb_atom_t A_##atom;
#include "atoms.xmacro"
#undef xmacro
 
extern unsigned int xcb_numlock_mask;
 
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);
 
void fake_absolute_configure_notify(Con *con);
 
void send_take_focus(xcb_window_t window, xcb_timestamp_t timestamp);
 
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r);
 
xcb_atom_t xcb_get_preferred_window_type(xcb_get_property_reply_t *reply);
 
bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom);
 
void xcb_set_root_cursor(int cursor);
 
uint16_t get_visual_depth(xcb_visualid_t visual_id);
 
xcb_visualtype_t *get_visualtype_by_id(xcb_visualid_t visual_id);
 
xcb_visualid_t get_visualid_by_depth(uint16_t depth);
 
void xcb_add_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom);
 
void xcb_remove_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom);
 
void xcb_grab_buttons(xcb_connection_t *conn, xcb_window_t window, int *buttons);