Add a toggle command for the stylefile.

The patch adds some better formatting for the manpage too.

Thanks to Nick <suckless-dev@njw.me.uk> for the toggle patch!

config.def.h

@@ -83,5 +83,6 @@ static Key keys[] = {
     { MODKEY|GDK_SHIFT_MASK,GDK_i,      toggle,     { .v = "auto-load-images" } },
     { MODKEY|GDK_SHIFT_MASK,GDK_s,      toggle,     { .v = "enable-scripts" } },
     { MODKEY|GDK_SHIFT_MASK,GDK_v,      toggle,     { .v = "enable-plugins" } },
+    { MODKEY|GDK_SHIFT_MASK,GDK_m,      togglestyle,{ 0 } },
 };
 

surf.1

@@ -18,10 +18,13 @@ one can point surf to another URI by setting its XProperties.
 .SH OPTIONS
 .TP
 .B \-c cookiefile 
-Specify the cookiefile to use.
+Specify the
+.I cookiefile
+to use.
 .TP
 .B \-e xid
-Reparents to window specified by xid.
+Reparents to window specified by
+.I xid.
 .TP
 .B \-i
 Disable Images
@@ -33,16 +36,20 @@ Disable the Web Inspector (Developer Tools).
 Disable Plugins
 .TP
 .B \-r scriptfile 
-Specify the user scriptfile.
+Specify the user
+.I scriptfile.
 .TP
 .B \-s
 Disable Javascript
 .TP
 .B \-t stylefile
-Specify the user stylefile.
+Specify the user
+.I stylefile.
 .TP
 .B \-u useragent 
-Specify the useragent which surf should use.
+Specify the
+.I useragent
+which surf should use.
 .TP
 .B \-v
 Prints version information to standard output, then exits.
@@ -129,6 +136,11 @@ Toggle caret browsing.
 .B Ctrl\-Shift\-i
 Toggle auto-loading of images.
 .TP
+.B Ctrl\-Shift\-m
+Toggle if the
+.I stylefile 
+file should be loaded.
+.TP
 .B Ctrl\-Shift\-s
 Toggle script execution.
 .TP
@@ -139,7 +151,9 @@ Toggle the enabling of plugins on that surf instance.
 Toggle fullscreen mode.
 .SH ENVIRONMENT
 .B SURF_USERAGENT
-If this variable is set upon startup, surf will use it as the useragent string
+If this variable is set upon startup, surf will use it as the
+.I useragent
+string
 .TP
 .B http_proxy
 If this variable is set and not empty upon startup, surf will use it as the http proxy

surf.c

@@ -77,7 +77,7 @@ static GdkNativeWindow embed = 0;
 static gboolean showxid = FALSE;
 static char winid[64];
 static gboolean usingproxy = 0;
-static char togglestat[5];
+static char togglestat[6];
 static char pagestat[3];
 
 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
@@ -153,6 +153,7 @@ static void stop(Client *c, const Arg *arg);
 static void titlechange(WebKitWebView *v, WebKitWebFrame *frame,
 		const char *title, Client *c);
 static void toggle(Client *c, const Arg *arg);
+static void togglestyle(Client *c, const Arg *arg);
 static void update(Client *c);
 static void updatewinid(Client *c);
 static void usage(void);
@@ -1038,6 +1039,7 @@ toggle(Client *c, const Arg *arg) {
 static void
 gettogglestat(Client *c){
 	gboolean value;
+	char *uri;
 	WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 
 	g_object_get(G_OBJECT(settings), "enable-caret-browsing",
@@ -1053,7 +1055,10 @@ gettogglestat(Client *c){
 	g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
 	togglestat[3] = value? 'V': 'v';
 
-	togglestat[4] = '\0';
+	g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
+	togglestat[4] = uri[0] ? 'M': 'm';
+
+	togglestat[5] = '\0';
 }
 
 static void
@@ -1183,3 +1188,15 @@ main(int argc, char *argv[]) {
 	return EXIT_SUCCESS;
 }
 
+static void
+togglestyle(Client *c, const Arg *arg) {
+	WebKitWebSettings *settings;
+	char *uri;
+
+	settings = webkit_web_view_get_settings(c->view);
+	g_object_get(G_OBJECT(settings), "user-stylesheet-uri", &uri, NULL);
+	uri = uri[0] ? g_strdup("") : g_strconcat("file://", stylefile, NULL);
+	g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
+
+	update(c);
+}