gri3-wm/include/xcb.h

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/*
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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
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#include "data.h"
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#include "xcursor.h"
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#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
/** This is the equivalent of XC_left_ptr. Im not sure why xcb doesnt have a
* constant for that. */
#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 dont only set them once but we
need to set slight variations of them (without XCB_EVENT_MASK_ENTER_WINDOW
while rendering the layout) */
/** The XCB_CW_EVENT_MASK for the child (= real window) */
#define CHILD_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE | \
XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
XCB_EVENT_MASK_FOCUS_CHANGE)
/** The XCB_CW_EVENT_MASK for its frame */
#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_ENTER_WINDOW)
#define xmacro(atom) xcb_atom_t A_##atom;
#include "atoms.xmacro"
#undef xmacro
extern unsigned int xcb_numlock_mask;
/**
* Convenience wrapper around xcb_create_window which takes care of depth,
* generating an ID and checking for errors.
*
*/
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);
/**
* Draws a line from x,y to to_x,to_y using the given color
*
*/
void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable,
xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
uint32_t y, uint32_t to_x, uint32_t to_y);
/**
* Draws a rectangle from x,y with width,height using the given color
*
*/
void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable,
xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
uint32_t y, uint32_t width, uint32_t height);
/**
* Generates a configure_notify_event with absolute coordinates (relative to
* the X root window, not to the clients frame) for the given client.
*
*/
void fake_absolute_configure_notify(Con *con);
/**
* Sends the WM_TAKE_FOCUS ClientMessage to the given window
*
*/
void send_take_focus(xcb_window_t window, xcb_timestamp_t timestamp);
/**
* Raises the given window (typically client->frame) above all other windows
*
*/
void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window);
/**
* Configures the given window to have the size/position specified by given rect
*
*/
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r);
/**
* Returns the first supported _NET_WM_WINDOW_TYPE atom.
*
*/
xcb_atom_t xcb_get_preferred_window_type(xcb_get_property_reply_t *reply);
/**
* Returns true if the given reply contains the given data.
*
*/
bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom);
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/**
* Moves the mouse pointer into the middle of rect.
*
*/
void xcb_warp_pointer_rect(xcb_connection_t *conn, Rect *rect);
/**
* Set the cursor of the root window to the given cursor id.
* This function should only be used if xcursor_supported == false.
* Otherwise, use xcursor_set_root_cursor().
*
*/
void xcb_set_root_cursor(int cursor);
/**
* Get depth of visual specified by visualid
*
*/
uint16_t get_visual_depth(xcb_visualid_t visual_id);
/**
* Get visualid with specified depth
*
*/
xcb_visualid_t get_visualid_by_depth(uint16_t depth);
/**
* Add an atom to a list of atoms the given property defines.
* This is useful, for example, for manipulating _NET_WM_STATE.
*
*/
void xcb_add_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 set atoms. This is useful, for example, for
* manipulating _NET_WM_STATE.
*
*/
void xcb_remove_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom);
/**
* Grab the specified buttons on a window when managing it.
*
*/
void xcb_grab_buttons(xcb_connection_t *conn, xcb_window_t window, bool bind_scrollwheel);