Add XRESOURCES_RELOAD_PATCH

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

View File

@ -34,15 +34,25 @@ resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
return 0;
}
#if XRESOURCES_RELOAD_PATCH
void
config_init(Display *dpy)
{
#else
void
config_init(void)
{
#endif // XRESOURCES_RELOAD_PATCH
char *resm;
XrmDatabase db;
ResourcePref *p;
XrmInitialize();
#if XRESOURCES_RELOAD_PATCH
resm = XResourceManagerString(dpy);
#else
resm = XResourceManagerString(xw.dpy);
#endif // XRESOURCES_RELOAD_PATCH
if (!resm)
return;
@ -50,3 +60,20 @@ config_init(void)
for (p = resources; p < resources + LEN(resources); p++)
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

View File

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

View File

@ -292,3 +292,9 @@
* https://st.suckless.org/patches/xresources/
*/
#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, "");
XSetLocaleModifiers("");
#if XRESOURCES_PATCH
#if XRESOURCES_RELOAD_PATCH
reload_config(-1);
#elif XRESOURCES_PATCH
if (!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
config_init();
#endif // XRESOURCES_PATCH
#endif // XRESOURCES_RELOAD_PATCH
cols = MAX(cols, 1);
rows = MAX(rows, 1);
tnew(cols, rows);