150 lines
3.7 KiB
C
150 lines
3.7 KiB
C
/*
|
|
Copyright (C) 2014 by Leonhard Oelke <leonhard@in-verted.de>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <xcb/shm.h>
|
|
#include <xcb/xproto.h>
|
|
#include <obs.h>
|
|
|
|
typedef struct {
|
|
xcb_connection_t *xcb;
|
|
xcb_shm_seg_t seg;
|
|
int shmid;
|
|
uint8_t *data;
|
|
} xcb_shm_t;
|
|
|
|
/**
|
|
* Check for Xinerama extension
|
|
*
|
|
* @return true if xinerama is available and active
|
|
*/
|
|
bool xinerama_is_active(xcb_connection_t *xcb);
|
|
|
|
/**
|
|
* Get the number of Xinerama screens
|
|
*
|
|
* @return number of screens
|
|
*/
|
|
int xinerama_screen_count(xcb_connection_t *xcb);
|
|
|
|
/**
|
|
* Get screen geometry for a Xinerama screen
|
|
*
|
|
* @note On error the passed coordinates/sizes will be set to 0.
|
|
*
|
|
* @param xcb xcb connection
|
|
* @param screen screen number to get geometry for
|
|
* @param x x-coordinate of the screen
|
|
* @param y y-coordinate of the screen
|
|
* @param w width of the screen
|
|
* @param h height of the screen
|
|
*
|
|
* @return < 0 on error
|
|
*/
|
|
int xinerama_screen_geo(xcb_connection_t *xcb, int_fast32_t screen,
|
|
int_fast32_t *x, int_fast32_t *y, int_fast32_t *w,
|
|
int_fast32_t *h);
|
|
|
|
/**
|
|
* Check for Randr extension
|
|
*
|
|
* @return true if randr is available which means it's active.
|
|
*/
|
|
bool randr_is_active(xcb_connection_t *xcb);
|
|
|
|
/**
|
|
* Get the number of Randr screens
|
|
*
|
|
* @return number of screens
|
|
*/
|
|
int randr_screen_count(xcb_connection_t *xcb);
|
|
|
|
/**
|
|
* Get screen geometry for a Rand crtc (screen)
|
|
*
|
|
* @note On error the passed coordinates/sizes will be set to 0.
|
|
*
|
|
* @param xcb xcb connection
|
|
* @param screen screen number to get geometry for
|
|
* @param x x-coordinate of the screen
|
|
* @param y y-coordinate of the screen
|
|
* @param w width of the screen
|
|
* @param h height of the screen
|
|
*
|
|
* @return < 0 on error
|
|
*/
|
|
int randr_screen_geo(xcb_connection_t *xcb, int_fast32_t screen,
|
|
int_fast32_t *x, int_fast32_t *y, int_fast32_t *w,
|
|
int_fast32_t *h, xcb_screen_t **rscreen, char **name);
|
|
|
|
/**
|
|
* Get screen geometry for a X11 screen
|
|
*
|
|
* @note On error the passed sizes will be set to 0.
|
|
*
|
|
* @param xcb xcb connection
|
|
* @param screen screen number to get geometry for
|
|
* @param w width of the screen
|
|
* @param h height of the screen
|
|
*
|
|
* @return < 0 on error
|
|
*/
|
|
int x11_screen_geo(xcb_connection_t *xcb, int_fast32_t screen, int_fast32_t *w,
|
|
int_fast32_t *h);
|
|
|
|
/**
|
|
* Attach a shared memory segment to the X-Server
|
|
*
|
|
* @param xcb xcb connection
|
|
* @param w width of the captured screen
|
|
* @param h height of the captured screen
|
|
*
|
|
* @return NULL on error
|
|
*/
|
|
xcb_shm_t *xshm_xcb_attach(xcb_connection_t *xcb, const int w, const int h);
|
|
|
|
/**
|
|
* Detach a shared memory segment
|
|
*/
|
|
void xshm_xcb_detach(xcb_shm_t *shm);
|
|
|
|
/**
|
|
* Get screen by id for a xcb connection
|
|
*
|
|
* @param xcb xcb connection
|
|
* @param screen id of the screen
|
|
* @return screen info structure
|
|
*/
|
|
xcb_screen_t *xcb_get_screen(xcb_connection_t *xcb, int screen);
|
|
|
|
/**
|
|
* Get the screen id for the given root window
|
|
*
|
|
* @param conn xcb connection
|
|
* @param root window id for the root window
|
|
* @return screen id
|
|
*/
|
|
int xcb_get_screen_for_root(xcb_connection_t *conn, xcb_window_t root);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|