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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",
opt_name ? opt_name : "st", name);
snprintf(fullclass, sizeof(fullclass), "%s.%s",
opt_class ? opt_class : "St", name);
fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
XrmGetResource(db, fullname, fullclass, &type, &ret);
if (ret.addr == NULL || strncmp("String", type, 64))
return 1;
switch (rtype) {
case STRING:
/* Note: this leaks memory */
*sdst = strdup(ret.addr);
break;
case INTEGER:
*idst = strtoul(ret.addr, NULL, 10);
break;
case FLOAT:
*fdst = strtof(ret.addr, NULL);
break;
}
return 0;
}
#if XRESOURCES_XDEFAULTS_PATCH
/* Returns an XrmDatabase that needs to be freed by the caller. */
static XrmDatabase
get_resources(Display *dpy)
{
/*******************************************************************/
/* Adapted from rxvt-unicode-9.31 rxvttoolkit.C get_resources() */
/*******************************************************************/
char *homedir = getenv("HOME");
char fname[1024];
char *displayResource, *xe;
XrmDatabase rdb1;
XrmDatabase database = XrmGetStringDatabase("");
/* For ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 */
/* 6. System wide per application default file. */
/* Add in $XAPPLRESDIR/St only; not bothering with XUSERFILESEARCHPATH */
if ((xe = getenv("XAPPLRESDIR")) || (xe = "/etc/X11/app-defaults"))
{
snprintf(fname, sizeof(fname), "%s/%s", xe, "St");
if ((rdb1 = XrmGetFileDatabase(fname)))
XrmMergeDatabases(rdb1, &database);
}
/* 5. User's per application default file. None. */
/* 4. User's defaults file. */
if (homedir)
{
snprintf(fname, sizeof(fname), "%s/.Xdefaults", homedir);
if ((rdb1 = XrmGetFileDatabase(fname)))
XrmMergeDatabases(rdb1, &database);
}
/* Get any Xserver Resources (xrdb). */
displayResource = XResourceManagerString(dpy);
if (displayResource)
{
if ((rdb1 = XrmGetStringDatabase(displayResource)))
XrmMergeDatabases(rdb1, &database);
}
/* Get screen specific resources. */
displayResource = XScreenResourceString(ScreenOfDisplay(dpy, DefaultScreen(dpy)));
if (displayResource)
{
if ((rdb1 = XrmGetStringDatabase(displayResource)))
XrmMergeDatabases(rdb1, &database);
XFree(displayResource);
}
/* 3. User's per host defaults file. */
/* Add in XENVIRONMENT file */
if ((xe = getenv("XENVIRONMENT")) && (rdb1 = XrmGetFileDatabase(xe)))
XrmMergeDatabases(rdb1, &database);
else if (homedir)
{
struct utsname un;
if (!uname(&un))
{
snprintf(fname, sizeof(fname), "%s/.Xdefaults-%s", homedir, un.nodename);
if ((rdb1 = XrmGetFileDatabase(fname)))
XrmMergeDatabases(rdb1, &database);
}
}
return database;
}
void
config_init(Display *dpy)
{
XrmDatabase db;
ResourcePref *p;
XrmInitialize();
db = get_resources(dpy);
for (p = resources; p < resources + LEN(resources); p++)
resource_load(db, p->name, p->type, p->dst);
XrmDestroyDatabase(db);
}
#else // !XRESOURCES_XDEFAULTS_PATCH
void
config_init(Display *dpy)
{
char *resm;
XrmDatabase db;
ResourcePref *p;
XrmInitialize();
resm = XResourceManagerString(dpy);
if (!resm)
return;
db = XrmGetStringDatabase(resm);
if (!db)
return;
for (p = resources; p < resources + LEN(resources); p++)
resource_load(db, p->name, p->type, p->dst);
XrmDestroyDatabase(db);
}
#endif // XRESOURCES_XDEFAULTS_PATCH
#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);
xloadcols();
/* nearly like zoomabs() */
xunloadfonts();
xloadfonts(font, 0); /* font <- config_init() */
#if FONT2_PATCH
xloadsparefonts();
#endif // FONT2_PATCH
cresize(0, 0);
redraw();
xhints();
XCloseDisplay(dpy);
}
#endif // XRESOURCES_RELOAD_PATCH
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