From db3a9869109f6b666c367d3b84daa8fdc31bee83 Mon Sep 17 00:00:00 2001
From: A Farzat <a@farzat.xyz>
Date: Tue, 9 Jan 2024 17:45:57 +0900
Subject: [PATCH 1/5] Apply foreground and background patch modified
From slock-foreground-and-background-20210611-35633d4
---
config.def.h | 28 ++++++++++
config.mk | 16 ++++--
slock.c | 152 ++++++++++++++++++++++++++++++++++++++++++++++++---
3 files changed, 184 insertions(+), 12 deletions(-)
diff --git a/config.def.h b/config.def.h
index 9855e21..ceceeb0 100644
--- a/config.def.h
+++ b/config.def.h
@@ -10,3 +10,31 @@ static const char *colorname[NUMCOLS] = {
/* 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 514c236..587adb4 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 b2f14e3..dd59880 100644
--- a/slock.c
+++ b/slock.c
@@ -1,5 +1,6 @@
/* See LICENSE file for license details. */
#define _XOPEN_SOURCE 500
+#define LENGTH(X) (sizeof X / sizeof X[0])
#if HAVE_SHADOW_H
#include <shadow.h>
#endif
@@ -15,9 +16,14 @@
#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/Xft/Xft.h>
+#include <Imlib2.h>
#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 +138,32 @@ 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 +230,7 @@ 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 +265,10 @@ 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 +276,60 @@ 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 +350,7 @@ 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 +430,60 @@ 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 +520,12 @@ 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;
}
--
2.43.0