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Add XRESOURCES_RELOAD_PATCH

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This commit is contained in:
Loic Coyle 2021-04-24 00:17:23 +02:00
parent ec513b230a
commit 540a923fb9
4 changed files with 43 additions and 4 deletions
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29
patch/xresources.c
View File

@ -34,19 +34,46 @@ resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
return 0; return 0;
} }
#if XRESOURCES_RELOAD_PATCH
void
config_init(Display *dpy)
{
#else
void void
config_init(void) config_init(void)
{ {
#endif // XRESOURCES_RELOAD_PATCH
char *resm; char *resm;
XrmDatabase db; XrmDatabase db;
ResourcePref *p; ResourcePref *p;
XrmInitialize(); XrmInitialize();
#if XRESOURCES_RELOAD_PATCH
resm = XResourceManagerString(dpy);
#else
resm = XResourceManagerString(xw.dpy); resm = XResourceManagerString(xw.dpy);
#endif // XRESOURCES_RELOAD_PATCH
if (!resm) if (!resm)
return; return;
db = XrmGetStringDatabase(resm); db = XrmGetStringDatabase(resm);
for (p = resources; p < resources + LEN(resources); p++) for (p = resources; p < resources + LEN(resources); p++)
resource_load(db, p->name, p->type, p->dst); resource_load(db, p->name, p->type, p->dst);
} }
#if XRESOURCES_RELOAD_PATCH
void reload_config(int sig){
/* Recreate a Display object to have up to date Xresources entries */
Display *dpy;
if (!(dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
config_init(dpy);
if (sig != -1) {
/* Called due to a SIGUSR1 */
xloadcols();
redraw();
}
signal(SIGUSR1, reload_config);
}
#endif // XRESOURCES_RELOAD_PATCH

6
patch/xresources.h
View File

@ -14,4 +14,8 @@ typedef struct {
} ResourcePref; } ResourcePref;
int resource_load(XrmDatabase, char *, enum resource_type, void *); int resource_load(XrmDatabase, char *, enum resource_type, void *);
void config_init(void); #if XRESOURCES_RELOAD_PATCH
void config_init(Display *dpy);
#else
void config_init(void);
#endif // XRESOURCES_RELOAD_PATCH

6
patches.def.h
View File

@ -292,3 +292,9 @@
* https://st.suckless.org/patches/xresources/ * https://st.suckless.org/patches/xresources/
*/ */
#define XRESOURCES_PATCH 0 #define XRESOURCES_PATCH 0
/* This patch adds the ability to reload the Xresources config when a SIGUSR1 signal is received
e.g.: killall -USR1 st
Depends on the XRESOURCES_PATCH.
*/
#define XRESOURCES_RELOAD_PATCH 0

6
x.c
View File

@ -2576,12 +2576,14 @@ run:
setlocale(LC_CTYPE, ""); setlocale(LC_CTYPE, "");
XSetLocaleModifiers(""); XSetLocaleModifiers("");
#if XRESOURCES_PATCH #if XRESOURCES_RELOAD_PATCH
reload_config(-1);
#elif XRESOURCES_PATCH
if (!(xw.dpy = XOpenDisplay(NULL))) if (!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n"); die("Can't open display\n");
config_init(); config_init();
#endif // XRESOURCES_PATCH #endif // XRESOURCES_RELOAD_PATCH
cols = MAX(cols, 1); cols = MAX(cols, 1);
rows = MAX(rows, 1); rows = MAX(rows, 1);
tnew(cols, rows); tnew(cols, rows);