From e9dc2639a3f4a3c9dc8b085bcffe63cee73f8242 Mon Sep 17 00:00:00 2001
From: Jakub Trzeciak <jptrzy@gmail.com>
Date: Mon, 11 Sep 2023 17:32:23 +0200
Subject: Xresources Patch

---
 dmenu.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 68 insertions(+), 1 deletion(-)

(limited to 'dmenu.c')

diff --git a/dmenu.c b/dmenu.c
index 40f93e0..379233e 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -11,6 +11,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>
+#include <X11/Xresource.h>
 #ifdef XINERAMA
 #include <X11/extensions/Xinerama.h>
 #endif
@@ -52,6 +53,21 @@ static XIC xic;
 static Drw *drw;
 static Clr *scheme[SchemeLast];
 
+/* Xresources preferences */
+enum resource_type {
+	STRING = 0,
+	INTEGER = 1,
+	FLOAT = 2
+};
+typedef struct {
+	char *name;
+	enum resource_type type;
+	void *dst;
+} ResourcePref;
+
+static void load_xresources(void);
+static void resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst);
+
 #include "config.h"
 
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
@@ -413,7 +429,7 @@ keypress(XKeyEvent *ev)
 
 	switch(ksym) {
 	default:
-insert:
+	insert:
 		if (!iscntrl((unsigned char)*buf))
 			insert(buf, len);
 		break;
@@ -572,6 +588,54 @@ readstdin(void)
 	lines = MIN(lines, i);
 }
 
+void
+resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
+{
+	char *sdst = NULL;
+	int *idst = NULL;
+	float *fdst = NULL;
+	sdst = dst;
+	idst = dst;
+	fdst = dst;
+	char fullname[256];
+	char *type;
+	XrmValue ret;
+	snprintf(fullname, sizeof(fullname), "%s.%s", "dmenu", name);
+	fullname[sizeof(fullname) - 1] = '\0';
+	XrmGetResource(db, fullname, "*", &type, &ret);
+	if (!(ret.addr == NULL || strncmp("String", type, 64)))
+	{
+		switch (rtype) {
+		case STRING:
+			strcpy(sdst, ret.addr);
+			break;
+		case INTEGER:
+			*idst = strtoul(ret.addr, NULL, 10);
+			break;
+		case FLOAT:
+			*fdst = strtof(ret.addr, NULL);
+			break;
+		}
+	}
+}
+
+void
+load_xresources(void)
+{
+	Display *display;
+	char *resm;
+	XrmDatabase db;
+	ResourcePref *p;
+	display = XOpenDisplay(NULL);
+	resm = XResourceManagerString(display);
+	if (!resm)
+		return;
+	db = XrmGetStringDatabase(resm);
+	for (p = resources; p < resources + LENGTH(resources); p++)
+		resource_load(db, p->name, p->type, p->dst);
+	XCloseDisplay(display);
+}
+
 static void
 run(void)
 {
@@ -725,6 +789,9 @@ main(int argc, char *argv[])
 	XWindowAttributes wa;
 	int i, fast = 0;
 
+	XrmInitialize();
+	load_xresources();
+	
 	for (i = 1; i < argc; i++)
 		/* these options take no arguments */
 		if (!strcmp(argv[i], "-v")) {      /* prints version information */
-- 
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