From 7a531c174413b036772568a88fe6c63c813df34b Mon Sep 17 00:00:00 2001 From: tiyn Date: Tue, 24 Oct 2023 18:27:53 +0200 Subject: [PATCH] added background-image patch --- config.def.h | 3 + config.mk | 2 +- slock-background-image-20220318-1c5a538.diff | 149 +++++++++++++++++++ slock.c | 50 ++++++- 4 files changed, 200 insertions(+), 4 deletions(-) create mode 100644 slock-background-image-20220318-1c5a538.diff diff --git a/config.def.h b/config.def.h index 27cc2d0..eb88b3d 100644 --- a/config.def.h +++ b/config.def.h @@ -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 1e1ca45..ffe7db3 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-background-image-20220318-1c5a538.diff b/slock-background-image-20220318-1c5a538.diff new file mode 100644 index 0000000..2d4caf4 --- /dev/null +++ b/slock-background-image-20220318-1c5a538.diff @@ -0,0 +1,149 @@ +From 1c5a5383a1cf3351fe9c80a21cfbc98c5ec4355d Mon Sep 17 00:00:00 2001 +From: Yan Doroshenko +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 + #include + #include ++#include + + #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 + diff --git a/slock.c b/slock.c index 5ae738c..345a279 100644 --- a/slock.c +++ b/slock.c @@ -18,6 +18,7 @@ #include #include #include +#include #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);