Jp3's ChangesHEADmaster

1 files changed, 240 insertions, 23 deletions

diff --git a/slock.c b/slock.c
index 5ae738c..d3d3814 100644
--- a/slock.c
+++ b/slock.c
@@ -1,11 +1,13 @@
 /* See LICENSE file for license details. */
-#define _XOPEN_SOURCE 500
+#define _XOPEN_SOURCE   500
+#define LENGTH(X)       (sizeof X / sizeof X[0])
 #if HAVE_SHADOW_H
 #include <shadow.h>
 #endif
 
 #include <ctype.h>
 #include <errno.h>
+#include <math.h>
 #include <grp.h>
 #include <pwd.h>
 #include <stdarg.h>
@@ -15,9 +17,15 @@
 #include <unistd.h>
 #include <sys/types.h>
 #include <X11/extensions/Xrandr.h>
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
+#include <X11/XKBlib.h>
+#include <X11/Xresource.h>
+#include <Imlib2.h>
 
 #include "arg.h"
 #include "util.h"
@@ -25,27 +33,50 @@
 char *argv0;
 
 enum {
+	BACKGROUND,
 	INIT,
 	INPUT,
 	FAILED,
+	CAPS,
 	NUMCOLS
 };
 
-struct lock {
-	int screen;
-	Window root, win;
-	Pixmap pmap;
-	unsigned long colors[NUMCOLS];
-};
-
 struct xrandr {
 	int active;
 	int evbase;
 	int errbase;
 };
 
+/* Xresources preferences */
+enum resource_type {
+	STRING = 0,
+	INTEGER = 1,
+	FLOAT = 2
+};
+
+typedef struct {
+	char *name;
+	enum resource_type type;
+	void *dst;
+} ResourcePref;
+
 #include "config.h"
 
+struct lock {
+	int screen;
+	Window root, win;
+	Pixmap pmap;
+	Pixmap bgmap;
+	unsigned long colors[NUMCOLS];
+	unsigned int x, y;
+	unsigned int xoff, yoff, mw, mh;
+	Drawable drawable;
+	GC gc;
+	XRectangle rectangles[LENGTH(rectangles)];
+};
+
+Imlib_Image image;
+
 static void
 die(const char *errstr, ...)
 {
@@ -125,21 +156,48 @@ gethash(void)
 }
 
 static void
+resizerectangles(struct lock *lock)
+{
+	int i;
+
+	for (i = 0; i < LENGTH(rectangles); i++){
+		lock->rectangles[i].x = (rectangles[i].x * logosize)
+                                + lock->xoff + ((lock->mw) / 2) - (logow / 2 * logosize);
+		lock->rectangles[i].y = (rectangles[i].y * logosize)
+                                + lock->yoff + ((lock->mh) / 2) - (logoh / 2 * logosize);
+		lock->rectangles[i].width = rectangles[i].width * logosize;
+		lock->rectangles[i].height = rectangles[i].height * logosize;
+	}
+}
+
+static void
+drawlogo(Display *dpy, struct lock *lock, int color)
+{
+	XSetForeground(dpy, lock->gc, lock->colors[color]);
+	XFillRectangles(dpy, lock->win, lock->gc, lock->rectangles, LENGTH(rectangles));
+	XSync(dpy, False);
+}
+
+static void
 readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
        const char *hash)
 {
 	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 +237,9 @@ 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))) {
@@ -187,13 +248,15 @@ 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,
-					                     locks[screen]->win,
-					                     locks[screen]->colors[color]);
-					XClearWindow(dpy, locks[screen]->win);
+                    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);
+                    drawlogo(dpy, locks[screen], color);
 				}
 				oldc = color;
 			}
@@ -228,6 +291,10 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
 	XColor color, dummy;
 	XSetWindowAttributes wa;
 	Cursor invisible;
+#ifdef XINERAMA
+	XineramaScreenInfo *info;
+	int n;
+#endif
 
 	if (dpy == NULL || screen < 0 || !(lock = malloc(sizeof(struct lock))))
 		return NULL;
@@ -235,27 +302,61 @@ 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_image(image);
+        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);
 		lock->colors[i] = color.pixel;
 	}
 
+	lock->x = DisplayWidth(dpy, lock->screen);
+	lock->y = DisplayHeight(dpy, lock->screen);
+#ifdef XINERAMA
+	if ((info = XineramaQueryScreens(dpy, &n))) {
+		lock->xoff = info[0].x_org;
+		lock->yoff = info[0].y_org;
+		lock->mw = info[0].width;
+		lock->mh = info[0].height;
+	} else
+#endif
+	{
+		lock->xoff = lock->yoff = 0;
+		lock->mw = lock->x;
+		lock->mh = lock->y;
+	}
+	lock->drawable = XCreatePixmap(dpy, lock->root,
+            lock->x, lock->y, DefaultDepth(dpy, screen));
+	lock->gc = XCreateGC(dpy, lock->root, 0, NULL);
+	XSetLineAttributes(dpy, lock->gc, 1, LineSolid, CapButt, JoinMiter);
+
 	/* init */
 	wa.override_redirect = 1;
-	wa.background_pixel = lock->colors[INIT];
+	wa.background_pixel = lock->colors[BACKGROUND];
 	lock->win = XCreateWindow(dpy, lock->root, 0, 0,
-	                          DisplayWidth(dpy, lock->screen),
-	                          DisplayHeight(dpy, lock->screen),
+	                          lock->x, lock->y,
 	                          0, DefaultDepth(dpy, lock->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);
 	XDefineCursor(dpy, lock->win, invisible);
 
+	resizerectangles(lock);
+
 	/* Try to grab mouse pointer *and* keyboard for 600ms, else fail the lock */
 	for (i = 0, ptgrab = kbgrab = -1; i < 6; i++) {
 		if (ptgrab != GrabSuccess) {
@@ -276,6 +377,7 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
 				XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask);
 
 			XSelectInput(dpy, lock->root, SubstructureNotifyMask);
+			drawlogo(dpy, lock, INIT);
 			return lock;
 		}
 
@@ -297,6 +399,57 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
 	return NULL;
 }
 
+int
+resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
+{
+	char **sdst = dst;
+	int *idst = dst;
+	float *fdst = dst;
+
+	char fullname[256];
+	char fullclass[256];
+	char *type;
+	XrmValue ret;
+
+	snprintf(fullname, sizeof(fullname), "%s.%s", "slock", name);
+	snprintf(fullclass, sizeof(fullclass), "%s.%s", "Slock", name);
+	fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
+
+	XrmGetResource(db, fullname, fullclass, &type, &ret);
+	if (ret.addr == NULL || strncmp("String", type, 64))
+		return 1;
+
+	switch (rtype) {
+	case STRING:
+		*sdst = ret.addr;
+		break;
+	case INTEGER:
+		*idst = strtoul(ret.addr, NULL, 10);
+		break;
+	case FLOAT:
+		*fdst = strtof(ret.addr, NULL);
+		break;
+	}
+	return 0;
+}
+
+void
+config_init(Display *dpy)
+{
+	char *resm;
+	XrmDatabase db;
+	ResourcePref *p;
+
+	XrmInitialize();
+	resm = XResourceManagerString(dpy);
+	if (!resm)
+		return;
+
+	db = XrmGetStringDatabase(resm);
+	for (p = resources; p < resources + LEN(resources); p++)
+		resource_load(db, p->name, p->type, p->dst);
+}
+
 static void
 usage(void)
 {
@@ -325,13 +478,13 @@ main(int argc, char **argv) {
 
 	/* validate drop-user and -group */
 	errno = 0;
-	if (!(pwd = getpwnam(user)))
-		die("slock: getpwnam %s: %s\n", user,
+	if (!(pwd = getpwnam(getenv("USER"))))
+		die("slock: getpwnam %s: %s\n", getenv("USER"),
 		    errno ? strerror(errno) : "user entry not found");
 	duid = pwd->pw_uid;
 	errno = 0;
-	if (!(grp = getgrnam(group)))
-		die("slock: getgrnam %s: %s\n", group,
+	if (!(grp = getgrnam(getenv("USER"))))
+		die("slock: getgrnam %s: %s\n", getenv("USER"),
 		    errno ? strerror(errno) : "group entry not found");
 	dgid = grp->gr_gid;
 
@@ -355,7 +508,64 @@ main(int argc, char **argv) {
 	if (setuid(duid) < 0)
 		die("slock: setuid: %s\n", strerror(errno));
 
-	/* check for Xrandr support */
+	/*Create screenshot Image*/
+	Screen *scr = ScreenOfDisplay(dpy, DefaultScreen(dpy));
+	image = imlib_create_image(scr->width,scr->height);
+	imlib_context_set_image(image);
+	imlib_context_set_display(dpy);
+	imlib_context_set_visual(DefaultVisual(dpy,0));
+	imlib_context_set_drawable(RootWindow(dpy,XScreenNumberOfScreen(scr)));	
+	imlib_copy_drawable_to_image(0,0,0,scr->width,scr->height,0,0,1);
+
+#ifdef BLUR
+
+	/*Blur function*/
+	imlib_image_blur(blurRadius);
+#endif // BLUR	
+
+#ifdef PIXELATION
+	/*Pixelation*/
+	int width = scr->width;
+	int height = scr->height;
+	
+	for(int y = 0; y < height; y += pixelSize)
+	{
+		for(int x = 0; x < width; x += pixelSize)
+		{
+			int red = 0;
+			int green = 0;
+			int blue = 0;
+
+			Imlib_Color pixel; 
+			Imlib_Color* pp;
+			pp = &pixel;
+			for(int j = 0; j < pixelSize && j < height; j++)
+			{
+				for(int i = 0; i < pixelSize && i < width; i++)
+				{
+					imlib_image_query_pixel(x+i,y+j,pp);
+					red += pixel.red;
+					green += pixel.green;
+					blue += pixel.blue;
+				}
+			}
+			red /= (pixelSize*pixelSize);
+			green /= (pixelSize*pixelSize);
+			blue /= (pixelSize*pixelSize);
+			imlib_context_set_color(red,green,blue,pixel.alpha);
+			imlib_image_fill_rectangle(x,y,pixelSize,pixelSize);
+			red = 0;
+			green = 0;
+			blue = 0;
+		}
+	}
+	
+	
+#endif
+
+	config_init(dpy);
+
+/* check for Xrandr support */
 	rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase);
 
 	/* get number of screens in display "dpy" and blank them */
@@ -391,5 +601,12 @@ main(int argc, char **argv) {
 	/* everything is now blank. Wait for the correct password */
 	readpw(dpy, &rr, locks, nscreens, hash);
 
+	for (nlocks = 0, s = 0; s < nscreens; s++) {
+		XFreePixmap(dpy, locks[s]->drawable);
+		XFreeGC(dpy, locks[s]->gc);
+	}
+
+	XSync(dpy, 0);
+	XCloseDisplay(dpy);
 	return 0;
 }