Adding xresources patch

README.md

@@ -15,6 +15,8 @@ Refer to [https://tools.suckless.org/dmenu/](https://tools.suckless.org/dmenu/)
 
 ### Changelog:
 
+2019-12-29 - Added xresources patch
+
 2019-10-16 - Introduced [flexipatch-finalizer](https://github.com/bakkeby/flexipatch-finalizer)
 
 2019-09-18 - Added border, center, fuzzymatch, incremental, initialtext, instant, line-height, mouse-support, navhistory, non-blocking-stdin, password, pipeout, printinputtext, rejectnomatch, scroll, vertfull, wmtype and xyw patches
@@ -82,5 +84,9 @@ Refer to [https://tools.suckless.org/dmenu/](https://tools.suckless.org/dmenu/)
    - [wmtype](https://github.com/Baitinq/dmenu/blob/master/patches/dmenu-wm_type.diff)
       - adds extended window manager hints such as \_NET_WM_WINDOW_TYPE and \_NET_WM_WINDOW_TYPE_DOCK
 
+   - [xresources](https://tools.suckless.org/dmenu/patches/xresources/)
+      - allows dmenu to read font and colors from Xresources
+      - note that with this patch the Xresources settings takes precedence over command line arguments
+
    - [xyw](https://tools.suckless.org/dmenu/patches/xyw/)
       - adds options for specifying dmenu window position and width

dmenu.c

@@ -1186,7 +1186,11 @@ main(int argc, char *argv[])
 	if (!XGetWindowAttributes(dpy, parentwin, &wa))
 		die("could not get embedding window attributes: 0x%lx",
 		    parentwin);
+
 	drw = drw_create(dpy, screen, root, wa.width, wa.height);
+	#if XRESOURCES_PATCH
+	read_Xresources();
+	#endif // XRESOURCES_PATCH
 	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 		die("no fonts could be loaded.");
 	lrpad = drw->fonts->h;

patch/include.c

@@ -12,4 +12,7 @@
 #endif
 #if NON_BLOCKING_STDIN_PATCH
 #include "nonblockingstdin.c"
+#endif
+#if XRESOURCES_PATCH
+#include "xresources.c"
 #endif

patch/xresources.c

@@ -0,0 +1,27 @@
+#include <X11/Xresource.h>
+
+void
+read_Xresources(void)
+{
+	XrmInitialize();
+
+	char* xrm = XResourceManagerString(drw->dpy);
+	if (xrm) {
+		char *type;
+		XrmDatabase xdb = XrmGetStringDatabase(xrm);
+		XrmValue xval;
+
+		if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval) == True) /* font or font set */
+			fonts[0] = strdup(xval.addr);
+		if (XrmGetResource(xdb, "dmenu.background", "*", &type, &xval) == True)  /* normal background color */
+			colors[SchemeSel][ColBg] = strdup(xval.addr);
+		if (XrmGetResource(xdb, "dmenu.foreground", "*", &type, &xval) == True)  /* normal foreground color */
+			colors[SchemeNorm][ColFg] = strdup(xval.addr);
+		if (XrmGetResource(xdb, "dmenu.selbackground", "*", &type, &xval) == True)  /* selected background color */
+			colors[SchemeSel][ColBg] = strdup(xval.addr);
+		if (XrmGetResource(xdb, "dmenu.selforeground", "*", &type, &xval) == True)  /* selected foreground color */
+			colors[SchemeSel][ColFg] = strdup(xval.addr);
+
+		XrmDestroyDatabase(xdb);
+	}
+}

patches.h

@@ -103,8 +103,19 @@
  */
 #define WMTYPE_PATCH 0
 
+/* This patch adds the ability to configure dmenu via Xresources. At startup, dmenu will read and
+ * apply the resources named below:
+ *    dmenu.font          : font or font set
+ *    dmenu.background    : normal background color
+ *    dmenu.foreground    : normal foreground color
+ *    dmenu.selbackground : selected background color
+ *    dmenu.selforeground : selected foreground color
+ * https://tools.suckless.org/dmenu/patches/xresources/
+ */
+#define XRESOURCES_PATCH 0
+
 /* This patch adds options for specifying dmenu window position and width.
  * The center patch takes precedence over the XYW patch if enabled.
  * https://tools.suckless.org/dmenu/patches/xyw/
  */
-#define XYW_PATCH 0
+#define XYW_PATCH 0