updated gitignore

config.def.h

@@ -6,8 +6,10 @@ static const char *colorname[NUMCOLS] = {
 	[INIT] =   "black",     /* after initialization */
 	[INPUT] =  "#005577",   /* during input */
 	[FAILED] = "#CC3333",   /* wrong password */
-	[CAPS] = "red",         /* CapsLock on */
 };
 
 /* treat a cleared input like a wrong password (color) */
 static const int failonclear = 1;
+
+/* Background image path, should be available to the user above */
+static const char* background_image = "";

config.mk

@@ -12,7 +12,7 @@ X11LIB = /usr/X11R6/lib
 
 # includes and libs
 INCS = -I. -I/usr/include -I${X11INC}
-LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr
+LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr -lImlib2
 
 # flags
 CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H

slock-background-image-20220318-1c5a538.diff

@@ -0,0 +1,149 @@
+From 1c5a5383a1cf3351fe9c80a21cfbc98c5ec4355d Mon Sep 17 00:00:00 2001
+From: Yan Doroshenko <yan1994doroshenko@gmail.com>
+Date: Fri, 18 Mar 2022 12:28:13 +0100
+Subject: [PATCH] Provide a way to set a background image
+
+---
+ config.def.h |  5 ++++-
+ config.mk    |  2 +-
+ slock.c      | 50 +++++++++++++++++++++++++++++++++++++++++++++++---
+ 3 files changed, 52 insertions(+), 5 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index 9855e21..eb88b3d 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -1,6 +1,6 @@
+ /* user and group to drop privileges to */
+ static const char *user  = "nobody";
+-static const char *group = "nogroup";
++static const char *group = "nobody";
+ 
+ static const char *colorname[NUMCOLS] = {
+ 	[INIT] =   "black",     /* after initialization */
+@@ -10,3 +10,6 @@ static const char *colorname[NUMCOLS] = {
+ 
+ /* treat a cleared input like a wrong password (color) */
+ static const int failonclear = 1;
++
++/* Background image path, should be available to the user above */
++static const char* background_image = "";
+diff --git a/config.mk b/config.mk
+index 74429ae..987819e 100644
+--- a/config.mk
++++ b/config.mk
+@@ -12,7 +12,7 @@ X11LIB = /usr/X11R6/lib
+ 
+ # includes and libs
+ INCS = -I. -I/usr/include -I${X11INC}
+-LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr
++LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr -lImlib2
+ 
+ # flags
+ CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H
+diff --git a/slock.c b/slock.c
+index 5ae738c..345a279 100644
+--- a/slock.c
++++ b/slock.c
+@@ -18,6 +18,7 @@
+ #include <X11/keysym.h>
+ #include <X11/Xlib.h>
+ #include <X11/Xutil.h>
++#include <Imlib2.h>
+ 
+ #include "arg.h"
+ #include "util.h"
+@@ -35,6 +36,7 @@ struct lock {
+ 	int screen;
+ 	Window root, win;
+ 	Pixmap pmap;
++	Pixmap bgmap;
+ 	unsigned long colors[NUMCOLS];
+ };
+ 
+@@ -46,6 +48,8 @@ struct xrandr {
+ 
+ #include "config.h"
+ 
++Imlib_Image image;
++
+ static void
+ die(const char *errstr, ...)
+ {
+@@ -190,9 +194,10 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
+ 			color = len ? INPUT : ((failure || failonclear) ? FAILED : INIT);
+ 			if (running && oldc != color) {
+ 				for (screen = 0; screen < nscreens; screen++) {
+-					XSetWindowBackground(dpy,
+-					                     locks[screen]->win,
+-					                     locks[screen]->colors[color]);
++                                        if (locks[screen]->bgmap)
++                                                XSetWindowBackgroundPixmap(dpy, locks[screen]->win, locks[screen]->bgmap);
++                                        else
++                                                XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[0]);
+ 					XClearWindow(dpy, locks[screen]->win);
+ 				}
+ 				oldc = color;
+@@ -235,6 +240,17 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
+ 	lock->screen = screen;
+ 	lock->root = RootWindow(dpy, lock->screen);
+ 
++        if(image)
++        {
++            lock->bgmap = XCreatePixmap(dpy, lock->root, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen), DefaultDepth(dpy, lock->screen));
++            imlib_context_set_display(dpy);
++            imlib_context_set_visual(DefaultVisual(dpy, lock->screen));
++            imlib_context_set_colormap(DefaultColormap(dpy, lock->screen));
++            imlib_context_set_drawable(lock->bgmap);
++            imlib_render_image_on_drawable(0, 0);
++            imlib_free_image();
++        }
++
+ 	for (i = 0; i < NUMCOLS; i++) {
+ 		XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen),
+ 		                 colorname[i], &color, &dummy);
+@@ -251,6 +267,8 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
+ 	                          CopyFromParent,
+ 	                          DefaultVisual(dpy, lock->screen),
+ 	                          CWOverrideRedirect | CWBackPixel, &wa);
++        if(lock->bgmap)
++          XSetWindowBackgroundPixmap(dpy, lock->win, lock->bgmap);
+ 	lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
+ 	invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap,
+ 	                                &color, &color, 0, 0);
+@@ -355,6 +373,32 @@ main(int argc, char **argv) {
+ 	if (setuid(duid) < 0)
+ 		die("slock: setuid: %s\n", strerror(errno));
+ 
++	/* Load picture */
++        Imlib_Image buffer = imlib_load_image(background_image);
++	imlib_context_set_image(buffer);
++        int background_image_width = imlib_image_get_width();
++        int background_image_height = imlib_image_get_height();
++
++        /* Create an image to be rendered */
++	Screen *scr = ScreenOfDisplay(dpy, DefaultScreen(dpy));
++	image = imlib_create_image(scr->width, scr->height);
++        imlib_context_set_image(image);
++
++        /* Fill the image for every X monitor */
++        XRRMonitorInfo	*monitors;
++        int number_of_monitors;
++        monitors = XRRGetMonitors(dpy, RootWindow(dpy, XScreenNumberOfScreen(scr)), True, &number_of_monitors);
++
++        int i;
++        for (i = 0; i < number_of_monitors; i++) {
++            imlib_blend_image_onto_image(buffer, 0, 0, 0, background_image_width, background_image_height, monitors[i].x, monitors[i].y, monitors[i].width, monitors[i].height);
++        }
++
++        /* Clean up */
++        imlib_context_set_image(buffer);
++        imlib_free_image();
++        imlib_context_set_image(image);
++
+ 	/* check for Xrandr support */
+ 	rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase);
+ 
+-- 
+2.35.1
+

slock-capscolor-20220921-35633d4.diff

@@ -1,88 +0,0 @@
-From da1721b1b4bb0aa8f94537ddd2a3eada1df00a30 Mon Sep 17 00:00:00 2001
-From: Max Schillinger <maxschillinger@web.de>
-Date: Wed, 21 Sep 2022 19:56:58 +0200
-Subject: [PATCH] Update capscolor patch to match the latest slock commit
- (35633d4)
-
----
- config.def.h |  1 +
- slock.c      | 15 ++++++++++++---
- 2 files changed, 13 insertions(+), 3 deletions(-)
-
-diff --git a/config.def.h b/config.def.h
-index 9855e21..6288856 100644
---- a/config.def.h
-+++ b/config.def.h
-@@ -6,6 +6,7 @@ static const char *colorname[NUMCOLS] = {
- 	[INIT] =   "black",     /* after initialization */
- 	[INPUT] =  "#005577",   /* during input */
- 	[FAILED] = "#CC3333",   /* wrong password */
-+	[CAPS] = "red",         /* CapsLock on */
- };
- 
- /* treat a cleared input like a wrong password (color) */
-diff --git a/slock.c b/slock.c
-index 5ae738c..5f4fb7a 100644
---- a/slock.c
-+++ b/slock.c
-@@ -18,6 +18,7 @@
- #include <X11/keysym.h>
- #include <X11/Xlib.h>
- #include <X11/Xutil.h>
-+#include <X11/XKBlib.h>
- 
- #include "arg.h"
- #include "util.h"
-@@ -28,6 +29,7 @@ enum {
- 	INIT,
- 	INPUT,
- 	FAILED,
-+	CAPS,
- 	NUMCOLS
- };
- 
-@@ -130,16 +132,20 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
- {
- 	XRRScreenChangeNotifyEvent *rre;
- 	char buf[32], passwd[256], *inputhash;
--	int num, screen, running, failure, oldc;
--	unsigned int len, color;
-+	int caps, num, screen, running, failure, oldc;
-+	unsigned int len, color, indicators;
- 	KeySym ksym;
- 	XEvent ev;
- 
- 	len = 0;
-+	caps = 0;
- 	running = 1;
- 	failure = 0;
- 	oldc = INIT;
- 
-+	if (!XkbGetIndicatorState(dpy, XkbUseCoreKbd, &indicators))
-+		caps = indicators & 1;
-+
- 	while (running && !XNextEvent(dpy, &ev)) {
- 		if (ev.type == KeyPress) {
- 			explicit_bzero(&buf, sizeof(buf));
-@@ -179,6 +185,9 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
- 				if (len)
- 					passwd[--len] = '\0';
- 				break;
-+			case XK_Caps_Lock:
-+				caps = !caps;
-+				break;
- 			default:
- 				if (num && !iscntrl((int)buf[0]) &&
- 				    (len + num < sizeof(passwd))) {
-@@ -187,7 +196,7 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
- 				}
- 				break;
- 			}
--			color = len ? INPUT : ((failure || failonclear) ? FAILED : INIT);
-+			color = len ? (caps ? CAPS : INPUT) : (failure || failonclear ? FAILED : INIT);
- 			if (running && oldc != color) {
- 				for (screen = 0; screen < nscreens; screen++) {
- 					XSetWindowBackground(dpy,
--- 
-2.37.3
-

slock.c

@@ -18,7 +18,7 @@
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
-#include <X11/XKBlib.h>
+#include <Imlib2.h>
 
 #include "arg.h"
 #include "util.h"
@@ -29,7 +29,6 @@ enum {
 	INIT,
 	INPUT,
 	FAILED,
-	CAPS,
 	NUMCOLS
 };
 
@@ -37,6 +36,7 @@ struct lock {
 	int screen;
 	Window root, win;
 	Pixmap pmap;
+	Pixmap bgmap;
 	unsigned long colors[NUMCOLS];
 };
 
@@ -48,6 +48,8 @@ struct xrandr {
 
 #include "config.h"
 
+Imlib_Image image;
+
 static void
 die(const char *errstr, ...)
 {
@@ -132,20 +134,16 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
 {
 	XRRScreenChangeNotifyEvent *rre;
 	char buf[32], passwd[256], *inputhash;
-	int caps, num, screen, running, failure, oldc;
-	unsigned int len, color, indicators;
+	int num, screen, running, failure, oldc;
+	unsigned int len, color;
 	KeySym ksym;
 	XEvent ev;
 
 	len = 0;
-	caps = 0;
 	running = 1;
 	failure = 0;
 	oldc = INIT;
 
-	if (!XkbGetIndicatorState(dpy, XkbUseCoreKbd, &indicators))
-		caps = indicators & 1;
-
 	while (running && !XNextEvent(dpy, &ev)) {
 		if (ev.type == KeyPress) {
 			explicit_bzero(&buf, sizeof(buf));
@@ -185,9 +183,6 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
 				if (len)
 					passwd[--len] = '\0';
 				break;
-			case XK_Caps_Lock:
-				caps = !caps;
-				break;
 			default:
 				if (num && !iscntrl((int)buf[0]) &&
 				    (len + num < sizeof(passwd))) {
@@ -196,12 +191,13 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
 				}
 				break;
 			}
-			color = len ? (caps ? CAPS : INPUT) : (failure || failonclear ? FAILED : INIT);
+			color = len ? INPUT : ((failure || failonclear) ? FAILED : INIT);
 			if (running && oldc != color) {
 				for (screen = 0; screen < nscreens; screen++) {
-					XSetWindowBackground(dpy,
-					                     locks[screen]->win,
-					                     locks[screen]->colors[color]);
+                                        if (locks[screen]->bgmap)
+                                                XSetWindowBackgroundPixmap(dpy, locks[screen]->win, locks[screen]->bgmap);
+                                        else
+                                                XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[0]);
 					XClearWindow(dpy, locks[screen]->win);
 				}
 				oldc = color;
@@ -244,6 +240,17 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
 	lock->screen = screen;
 	lock->root = RootWindow(dpy, lock->screen);
 
+        if(image)
+        {
+            lock->bgmap = XCreatePixmap(dpy, lock->root, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen), DefaultDepth(dpy, lock->screen));
+            imlib_context_set_display(dpy);
+            imlib_context_set_visual(DefaultVisual(dpy, lock->screen));
+            imlib_context_set_colormap(DefaultColormap(dpy, lock->screen));
+            imlib_context_set_drawable(lock->bgmap);
+            imlib_render_image_on_drawable(0, 0);
+            imlib_free_image();
+        }
+
 	for (i = 0; i < NUMCOLS; i++) {
 		XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen),
 		                 colorname[i], &color, &dummy);
@@ -260,6 +267,8 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
 	                          CopyFromParent,
 	                          DefaultVisual(dpy, lock->screen),
 	                          CWOverrideRedirect | CWBackPixel, &wa);
+        if(lock->bgmap)
+          XSetWindowBackgroundPixmap(dpy, lock->win, lock->bgmap);
 	lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
 	invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap,
 	                                &color, &color, 0, 0);
@@ -364,6 +373,32 @@ main(int argc, char **argv) {
 	if (setuid(duid) < 0)
 		die("slock: setuid: %s\n", strerror(errno));
 
+	/* Load picture */
+        Imlib_Image buffer = imlib_load_image(background_image);
+	imlib_context_set_image(buffer);
+        int background_image_width = imlib_image_get_width();
+        int background_image_height = imlib_image_get_height();
+
+        /* Create an image to be rendered */
+	Screen *scr = ScreenOfDisplay(dpy, DefaultScreen(dpy));
+	image = imlib_create_image(scr->width, scr->height);
+        imlib_context_set_image(image);
+
+        /* Fill the image for every X monitor */
+        XRRMonitorInfo	*monitors;
+        int number_of_monitors;
+        monitors = XRRGetMonitors(dpy, RootWindow(dpy, XScreenNumberOfScreen(scr)), True, &number_of_monitors);
+
+        int i;
+        for (i = 0; i < number_of_monitors; i++) {
+            imlib_blend_image_onto_image(buffer, 0, 0, 0, background_image_width, background_image_height, monitors[i].x, monitors[i].y, monitors[i].width, monitors[i].height);
+        }
+
+        /* Clean up */
+        imlib_context_set_image(buffer);
+        imlib_free_image();
+        imlib_context_set_image(image);
+
 	/* check for Xrandr support */
 	rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase);