From 2bac9f3f40bc7006cc2bf57e9c9dcc6dc67a0db4 Mon Sep 17 00:00:00 2001 From: Jakub Trzeciak Date: Mon, 11 Sep 2023 11:52:04 +0200 Subject: Jp3's Changes --- slock.c | 263 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 240 insertions(+), 23 deletions(-) (limited to 'slock.c') 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 #endif #include #include +#include #include #include #include @@ -15,9 +17,15 @@ #include #include #include +#ifdef XINERAMA +#include +#endif #include #include #include +#include +#include +#include #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, ...) { @@ -124,22 +155,49 @@ gethash(void) return hash; } +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; } -- cgit v1.2.3