slock

simple X display locker utility
git clone git://git.suckless.org/slock
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commit f5ef1b8eb5555da11e81d92d8d05acd4aba1ef40
parent f2ea92c3ddf1d9476ef61f85ec3aa26818d094a1
Author: Markus Teich <markus.teich@stusta.mhn.de>
Date:   Wed, 25 Feb 2015 23:06:45 +0100

resize lockscreen window after Xrandr resize

Diffstat:
config.mk | 2+-
slock.c | 18++++++++++++++++--
2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/config.mk b/config.mk @@ -11,7 +11,7 @@ X11LIB = /usr/X11R6/lib # includes and libs INCS = -I. -I/usr/include -I${X11INC} -LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext +LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr # flags CPPFLAGS = -DVERSION=\"${VERSION}\" -DHAVE_SHADOW_H diff --git a/slock.c b/slock.c @@ -13,6 +13,7 @@ #include <string.h> #include <unistd.h> #include <sys/types.h> +#include <X11/extensions/Xrandr.h> #include <X11/keysym.h> #include <X11/Xlib.h> #include <X11/Xutil.h> @@ -41,6 +42,9 @@ typedef struct { static Lock **locks; static int nscreens; static Bool running = True; +static Bool rr; +static int rrevbase; +static int rrerrbase; static void die(const char *errstr, ...) @@ -179,8 +183,15 @@ readpw(Display *dpy, const char *pws) } } llen = len; - } - else for (screen = 0; screen < nscreens; screen++) + } else if (rr && ev.type == rrevbase + RRScreenChangeNotify) { + XRRScreenChangeNotifyEvent *rre = (XRRScreenChangeNotifyEvent*)&ev; + for (screen = 0; screen < nscreens; screen++) { + if (locks[screen]->win == rre->window) { + XResizeWindow(dpy, locks[screen]->win, rre->width, rre->height); + XClearWindow(dpy, locks[screen]->win); + } + } + } else for (screen = 0; screen < nscreens; screen++) XRaiseWindow(dpy, locks[screen]->win); } } @@ -236,6 +247,8 @@ lockscreen(Display *dpy, int screen) invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, &color, &color, 0, 0); XDefineCursor(dpy, lock->win, invisible); XMapRaised(dpy, lock->win); + if (rr) + XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask); for (len = 1000; len; len--) { if (XGrabPointer(dpy, lock->root, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync, GrabModeAsync, None, invisible, CurrentTime) == GrabSuccess) @@ -295,6 +308,7 @@ main(int argc, char **argv) { if (!(dpy = XOpenDisplay(0))) die("slock: cannot open display\n"); + rr = XRRQueryExtension(dpy, &rrevbase, &rrerrbase); /* Get the number of screens in display "dpy" and blank them all. */ nscreens = ScreenCount(dpy); locks = malloc(sizeof(Lock *) * nscreens);