Implement Xinerama support (not used yet)
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parent
02655d2ddf
commit
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8
Makefile
8
Makefile
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@ -12,12 +12,12 @@ CFLAGS += -pipe
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CFLAGS += -Wall
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CPPFLAGS += -D_GNU_SOURCE
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ifndef NOLIBCAIRO
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CFLAGS += $(shell pkg-config --cflags cairo xcb-keysyms xcb-dpms)
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LIBS += $(shell pkg-config --libs cairo xcb-keysyms xcb-dpms xcb-image)
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CFLAGS += $(shell pkg-config --cflags cairo xcb-keysyms xcb-dpms xcb-xinerama)
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LIBS += $(shell pkg-config --libs cairo xcb-keysyms xcb-dpms xcb-xinerama xcb-image)
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else
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CPPFLAGS += -DNOLIBCAIRO
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CFLAGS += $(shell pkg-config --cflags xcb-keysyms xcb-dpms)
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LIBS += $(shell pkg-config --libs xcb-keysyms xcb-dpms xcb-image)
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CFLAGS += $(shell pkg-config --cflags xcb-keysyms xcb-dpms xcb-xinerama)
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LIBS += $(shell pkg-config --libs xcb-keysyms xcb-dpms xcb-image xcb-xinerama)
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endif
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LIBS += -lpam
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LIBS += -lev
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4
i3lock.c
4
i3lock.c
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@ -36,6 +36,7 @@
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#include "xcb.h"
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#include "cursors.h"
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#include "unlock_indicator.h"
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#include "xinerama.h"
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char color[7] = "ffffff";
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uint32_t last_resolution[2];
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@ -618,6 +619,9 @@ int main(int argc, char *argv[]) {
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xcb_connection_has_error(conn))
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errx(EXIT_FAILURE, "Could not connect to X11, maybe you need to set DISPLAY?");
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xinerama_init();
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xinerama_query_screens();
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/* if DPMS is enabled, check if the X server really supports it */
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if (dpms) {
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xcb_dpms_capable_cookie_t dpmsc = xcb_dpms_capable(conn);
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1
xcb.h
1
xcb.h
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@ -2,6 +2,7 @@
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#define _XCB_H
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#include <xcb/xcb.h>
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#include <xcb/xcb_keysyms.h>
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extern xcb_connection_t *conn;
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extern xcb_screen_t *screen;
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@ -0,0 +1,86 @@
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/*
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* vim:ts=4:sw=4:expandtab
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*
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* © 2010-2012 Michael Stapelberg
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*
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* See LICENSE for licensing information
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*
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*/
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#include <xcb/xcb.h>
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#include <xcb/xinerama.h>
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#include "xcb.h"
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#include "xinerama.h"
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/* Number of Xinerama screens which are currently present. */
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int xr_screens = 0;
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/* The resolutions of the currently present Xinerama screens. */
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Rect *xr_resolutions;
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static bool xinerama_active;
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void xinerama_init() {
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if (!xcb_get_extension_data(conn, &xcb_xinerama_id)->present) {
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printf("Xinerama extension not found, disabling.\n");
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return;
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}
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xcb_xinerama_is_active_cookie_t cookie;
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xcb_xinerama_is_active_reply_t *reply;
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cookie = xcb_xinerama_is_active(conn);
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reply = xcb_xinerama_is_active_reply(conn, cookie, NULL);
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if (!reply)
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return;
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if (!reply->state) {
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free(reply);
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return;
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}
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xinerama_active = true;
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}
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void xinerama_query_screens() {
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if (!xinerama_active)
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return;
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xcb_xinerama_query_screens_cookie_t cookie;
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xcb_xinerama_query_screens_reply_t *reply;
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xcb_xinerama_screen_info_t *screen_info;
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cookie = xcb_xinerama_query_screens_unchecked(conn);
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reply = xcb_xinerama_query_screens_reply(conn, cookie, NULL);
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if (!reply) {
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fprintf(stderr, "Couldn't get Xinerama screens\n");
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return;
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}
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screen_info = xcb_xinerama_query_screens_screen_info(reply);
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int screens = xcb_xinerama_query_screens_screen_info_length(reply);
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Rect *resolutions = malloc(screens * sizeof(Rect));
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/* No memory? Just keep on using the old information. */
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if (!resolutions) {
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free(reply);
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return;
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}
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xr_resolutions = resolutions;
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xr_screens = screens;
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for (int screen = 0; screen < xr_screens; screen++) {
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xr_resolutions[screen].x = screen_info[screen].x_org;
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xr_resolutions[screen].y = screen_info[screen].y_org;
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xr_resolutions[screen].width = screen_info[screen].width;
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xr_resolutions[screen].height = screen_info[screen].height;
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printf("found Xinerama screen: %d x %d at %d x %d\n",
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screen_info[screen].width, screen_info[screen].height,
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screen_info[screen].x_org, screen_info[screen].y_org);
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}
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free(reply);
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}
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@ -0,0 +1,14 @@
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#ifndef _XINERAMA_H
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#define _XINERAMA_H
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typedef struct Rect {
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int16_t x;
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int16_t y;
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uint16_t width;
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uint16_t height;
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} Rect;
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void xinerama_init();
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void xinerama_query_screens();
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#endif
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