From 63cda0184f7964f541ec77ddb5f47f596acb963c Mon Sep 17 00:00:00 2001 From: Sam Chudnick Date: Sat, 25 Feb 2023 22:32:36 -0500 Subject: Applied foreground and background patch --- config.def.h | 12 ----- config.h | 40 +++++++++++++++ config.mk | 16 ++++-- slock.c | 156 +++++++++++++++++++++++++++++++++++++++++++++++++++++++---- 4 files changed, 199 insertions(+), 25 deletions(-) delete mode 100644 config.def.h create mode 100644 config.h diff --git a/config.def.h b/config.def.h deleted file mode 100644 index 9855e21..0000000 --- a/config.def.h +++ /dev/null @@ -1,12 +0,0 @@ -/* user and group to drop privileges to */ -static const char *user = "nobody"; -static const char *group = "nogroup"; - -static const char *colorname[NUMCOLS] = { - [INIT] = "black", /* after initialization */ - [INPUT] = "#005577", /* during input */ - [FAILED] = "#CC3333", /* wrong password */ -}; - -/* treat a cleared input like a wrong password (color) */ -static const int failonclear = 1; diff --git a/config.h b/config.h new file mode 100644 index 0000000..ceceeb0 --- /dev/null +++ b/config.h @@ -0,0 +1,40 @@ +/* user and group to drop privileges to */ +static const char *user = "nobody"; +static const char *group = "nogroup"; + +static const char *colorname[NUMCOLS] = { + [INIT] = "black", /* after initialization */ + [INPUT] = "#005577", /* during input */ + [FAILED] = "#CC3333", /* wrong password */ +}; + +/* treat a cleared input like a wrong password (color) */ +static const int failonclear = 1; + +/* insert grid pattern with scale 1:1, the size can be changed with logosize */ +static const int logosize = 75; +/* grid width and height for right center alignment */ +static const int logow = 12; +static const int logoh = 6; + +static XRectangle rectangles[9] = { + /* x y w h */ + { 0, 3, 1, 3 }, + { 1, 3, 2, 1 }, + { 0, 5, 8, 1 }, + { 3, 0, 1, 5 }, + { 5, 3, 1, 2 }, + { 7, 3, 1, 2 }, + { 8, 3, 4, 1 }, + { 9, 4, 1, 2 }, + { 11, 4, 1, 2 }, +}; + +/*Enable blur*/ +#define BLUR +/*Set blur radius*/ +static const int blurRadius=5; +/*Enable Pixelation*/ +//#define PIXELATION +/*Set pixelation radius*/ +static const int pixelSize=0; diff --git a/config.mk b/config.mk index 1e1ca45..1ff42e9 100644 --- a/config.mk +++ b/config.mk @@ -10,13 +10,21 @@ MANPREFIX = ${PREFIX}/share/man X11INC = /usr/X11R6/include X11LIB = /usr/X11R6/lib +# Xinerama +XINERAMALIBS = -lXinerama +XINERAMAFLAGS = -DXINERAMA + +# freetype +FREETYPELIBS = -lXft +FREETYPEINC = /usr/include/freetype2 + # includes and libs -INCS = -I. -I/usr/include -I${X11INC} -LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr +INCS = -I. -I/usr/include -I${X11INC} -I${FREETYPEINC} +LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lXext -lXrandr -lImlib2 # flags -CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H -CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS} +CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H ${XINERAMAFLAGS} +CFLAGS = -std=c99 -pedantic -Wall -Ofast ${INCS} ${CPPFLAGS} LDFLAGS = -s ${LIBS} COMPATSRC = explicit_bzero.c diff --git a/slock.c b/slock.c index 5ae738c..efbe833 100644 --- a/slock.c +++ b/slock.c @@ -1,5 +1,6 @@ /* 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 @@ -15,9 +16,14 @@ #include #include #include +#ifdef XINERAMA +#include +#endif #include #include #include +#include +#include #include "arg.h" #include "util.h" @@ -31,11 +37,19 @@ enum { NUMCOLS }; +#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)]; }; struct xrandr { @@ -44,7 +58,7 @@ struct xrandr { int errbase; }; -#include "config.h" +Imlib_Image image; static void die(const char *errstr, ...) @@ -124,6 +138,34 @@ 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[BACKGROUND]); + XFillRectangle(dpy, lock->drawable, lock->gc, 0, 0, lock->x, lock->y); */ + lock->drawable = lock->bgmap; + XSetForeground(dpy, lock->gc, lock->colors[color]); + XFillRectangles(dpy, lock->drawable, lock->gc, lock->rectangles, LENGTH(rectangles)); + XCopyArea(dpy, lock->drawable, lock->win, lock->gc, 0, 0, lock->x, lock->y, 0, 0); + XSync(dpy, False); +} + static void readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens, const char *hash) @@ -190,10 +232,7 @@ 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]); - XClearWindow(dpy, locks[screen]->win); + drawlogo(dpy, locks[screen], color); } oldc = color; } @@ -228,6 +267,10 @@ 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 +278,60 @@ 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]; 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 +352,7 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen) XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask); XSelectInput(dpy, lock->root, SubstructureNotifyMask); + drawlogo(dpy, lock, INIT); return lock; } @@ -355,6 +432,60 @@ main(int argc, char **argv) { if (setuid(duid) < 0) die("slock: setuid: %s\n", strerror(errno)); + /*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 /* check for Xrandr support */ rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase); @@ -391,5 +522,12 @@ 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