Dzen is now able to get font and color settings from X resources

 - Order of initialization changed: 
     1. connect to X server
     2. Read X resources
     3. Parse command line options
 - README files updated
 - x_read_resources may contain bugs

git-svn-id: http://dzen.googlecode.com/svn/trunk@230 f2baff5b-bf2c-0410-a398-912abdc3d8b2

4 files changed, 58 insertions, 5 deletions

diff --git a/README b/README
index 40adf13..e8c279c 100644
--- a/README
+++ b/README
@@ -97,6 +97,18 @@ dzen accepts a couple of options:
 
 
 
+X resources
+-----------
+
+Dzen is able to read font and color setting from X resources.
+As an example you can add following lines to ~/.Xresources
+
+dzen2.font:       -*-fixed-*-*-*-*-*-*-*-*-*-*-*-*
+dzen2.foreground: #22EE11
+dzen2.background: black
+
+
+
 Window layout
 -------------
 
diff --git a/README.dzen b/README.dzen
index 9332164..43f9a50 100644
--- a/README.dzen
+++ b/README.dzen
@@ -97,6 +97,18 @@ dzen accepts a couple of options:
 
 
 
+^fg(#6fbf47)X resources
+^fg(#6fbf47)-----------
+
+Dzen is able to read font and color setting from X resources.
+As an example you can add following lines to ~/.Xresources
+
+^fg(Khaki)dzen2.font:       -*-fixed-*-*-*-*-*-*-*-*-*-*-*-*
+^fg(Khaki)dzen2.foreground: #22EE11
+^fg(Khaki)dzen2.background: black
+
+
+
 ^fg(#6fbf47)Window layout
 ^fg(#6fbf47)-------------
 
diff --git a/dzen.h b/dzen.h
index ba4107e..625cfbf 100644
--- a/dzen.h
+++ b/dzen.h
@@ -6,6 +6,7 @@
 
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
+#include <X11/Xresource.h>
 #ifdef DZEN_XINERAMA
 #include <X11/extensions/Xinerama.h>
 #endif
diff --git a/main.c b/main.c
index 981f757..954d5c2 100644
--- a/main.c
+++ b/main.c
@@ -385,17 +385,41 @@ x_create_gcs(void) {
 }
 
 static void
+x_connect(void) {
+	dzen.dpy = XOpenDisplay(0);
+	if(!dzen.dpy) 
+		eprint("dzen: cannot open display\n");
+	dzen.screen = DefaultScreen(dzen.dpy);
+}
+
+/* Read display styles from X resources. */
+static void
+x_read_resources(void) {
+	XrmDatabase xdb;
+	char* xrm;
+	char* datatype[20];
+	XrmValue xvalue;
+
+	xrm = XResourceManagerString(dzen.dpy);
+	if( xrm != NULL ) {
+		xdb = XrmGetStringDatabase(xrm);
+		if( XrmGetResource(xdb, "dzen2.font", "*", datatype, &xvalue) == True ) 
+			dzen.fnt = estrdup(xvalue.addr);
+		if( XrmGetResource(xdb, "dzen2.foreground", "*", datatype, &xvalue) == True ) 
+			dzen.fg  = estrdup(xvalue.addr);
+		if( XrmGetResource(xdb, "dzen2.background", "*", datatype, &xvalue) == True ) 
+			dzen.bg  = estrdup(xvalue.addr);
+		XrmDestroyDatabase(xdb);
+	}
+}
+
+static void
 x_create_windows(int use_ewmh_dock) {
 	XSetWindowAttributes wa;
 	Window root;
 	int i;
 	XRectangle si;
 
-	dzen.dpy = XOpenDisplay(0);
-	if(!dzen.dpy) 
-		eprint("dzen: cannot open display\n");
-
-	dzen.screen = DefaultScreen(dzen.dpy);
 	root = RootWindow(dzen.dpy, dzen.screen);
 
 	/* style */
@@ -797,6 +821,10 @@ main(int argc, char *argv[]) {
 	dzen.line_height = 0;
 	dzen.title_win.expand = noexpand;
 
+	/* Connect to X server */
+	x_connect();
+	x_read_resources();
+
 	/* cmdline args */
 	for(i = 1; i < argc; i++)
 		if(!strncmp(argv[i], "-l", 3)){