[wiki] [sites] Added slock patch to read colors from Xresources || Arnas Udovicius

From: <git_AT_suckless.org>
Date: Tue, 26 Nov 2019 15:32:45 +0100

commit 66c841c5bdae671e92690f5e0a3d8bfbf92b8b06
Author: Arnas Udovicius <arnas.u_AT_estina.lt>
Date: Tue Nov 26 16:32:24 2019 +0200

    Added slock patch to read colors from Xresources

diff --git a/tools.suckless.org/slock/patches/xresources/index.md b/tools.suckless.org/slock/patches/xresources/index.md
new file mode 100644
index 00000000..ded82025
--- /dev/null
+++ b/tools.suckless.org/slock/patches/xresources/index.md
_AT_@ -0,0 +1,14 @@
+Xresources
+==========
+
+Description
+-----------
+This patch adds the ability to get colors via Xresources. This patch is already applied on Capscolor patch
+
+Download
+--------
+* [slock-xresources-20191126-53e56c7.diff](slock-xresources-20191126-53e56c7.diff)
+
+Authors
+-------
+* Arnas Udovicius <zordsdavini_AT_gmail.com>
diff --git a/tools.suckless.org/slock/patches/xresources/slock-xresources-20191126-53e56c7.diff b/tools.suckless.org/slock/patches/xresources/slock-xresources-20191126-53e56c7.diff
new file mode 100644
index 00000000..524e3385
--- /dev/null
+++ b/tools.suckless.org/slock/patches/xresources/slock-xresources-20191126-53e56c7.diff
_AT_@ -0,0 +1,159 @@
+From 53e56c751b3f2be4154760788850c51dbffc0add Mon Sep 17 00:00:00 2001
+From: Arnas Udovicius <zordsdavini_AT_gmail.com>
+Date: Tue, 26 Nov 2019 16:16:15 +0200
+Subject: [PATCH] Read colors from Xresources
+
+---
+ config.def.h | 14 +++++++++--
+ slock.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++
+ util.h | 3 +++
+ 3 files changed, 83 insertions(+), 2 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index 6288856..bfc1ba0 100644
+--- a/config.def.h
++++ b/config.def.h
+_AT_@ -3,11 +3,21 @@ static const char *user = "nobody";
+ static const char *group = "nogroup";
+
+ static const char *colorname[NUMCOLS] = {
+- [INIT] = "black", /* after initialization */
+- [INPUT] = "#005577", /* during input */
++ [INIT] = "black", /* after initialization */
++ [INPUT] = "#005577", /* during input */
+ [FAILED] = "#CC3333", /* wrong password */
+ [CAPS] = "red", /* CapsLock on */
+ };
+
++/*
++ * Xresources preferences to load at startup
++ */
++ResourcePref resources[] = {
++ { "color0", STRING, &colorname[INIT] },
++ { "color4", STRING, &colorname[INPUT] },
++ { "color1", STRING, &colorname[FAILED] },
++ { "color3", STRING, &colorname[CAPS] },
++};
++
+ /* treat a cleared input like a wrong password (color) */
+ static const int failonclear = 1;
+diff --git a/slock.c b/slock.c
+index 5f4fb7a..2395547 100644
+--- a/slock.c
++++ b/slock.c
+_AT_@ -6,6 +6,7 @@
+
+ #include <ctype.h>
+ #include <errno.h>
++#include <math.h>
+ #include <grp.h>
+ #include <pwd.h>
+ #include <stdarg.h>
+_AT_@ -19,6 +20,7 @@
+ #include <X11/Xlib.h>
+ #include <X11/Xutil.h>
+ #include <X11/XKBlib.h>
++#include <X11/Xresource.h>
+
+ #include "arg.h"
+ #include "util.h"
+_AT_@ -46,6 +48,19 @@ struct xrandr {
+ 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"
+
+ static void
+_AT_@ -306,6 +321,57 @@ 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] = '++
++ 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)
+ {
+_AT_@ -364,6 +430,8 @@ main(int argc, char **argv) {
+ if (setuid(duid) < 0)
+ die("slock: setuid: %s
", strerror(errno));
+
++ config_init(dpy);
++
+ /* check for Xrandr support */
+ rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase);
+
+diff --git a/util.h b/util.h
+index 6f748b8..148dbc1 100644
+--- a/util.h
++++ b/util.h
+_AT_@ -1,2 +1,5 @@
++/* macros */
++#define LEN(a) (sizeof(a) / sizeof(a)[0])
++
+ #undef explicit_bzero
+ void explicit_bzero(void *, size_t);
+--
+2.24.0
+
Received on Tue Nov 26 2019 - 15:32:45 CET

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