theme: add title-font and bar-font settings

jay-config/src/_private/client.rs

@@ -650,6 +650,14 @@ impl ConfigClient {
         self.send(&ClientMessage::SetFont { font });
     }
 
+    pub fn set_bar_font(&self, font: &str) {
+        self.send(&ClientMessage::SetBarFont { font });
+    }
+
+    pub fn set_title_font(&self, font: &str) {
+        self.send(&ClientMessage::SetTitleFont { font });
+    }
+
     pub fn get_font(&self) -> String {
         let res = self.send_with_response(&ClientMessage::GetFont);
         get_response!(res, String::new(), GetFont { font });

jay-config/src/_private/ipc.rs

@@ -768,6 +768,12 @@ pub enum ClientMessage<'a> {
         connector: Connector,
         blend_space: BlendSpace,
     },
+    SetBarFont {
+        font: &'a str,
+    },
+    SetTitleFont {
+        font: &'a str,
+    },
 }
 
 #[derive(Serialize, Deserialize, Debug)]

jay-config/src/theme.rs

@@ -145,6 +145,8 @@ pub fn get_font() -> String {
 ///
 /// Default: `monospace 8`.
 ///
+/// See also [`set_bar_font`] and [`set_title_font`].
+///
 /// The font name should be specified in [pango][pango] syntax.
 ///
 /// [pango]: https://docs.gtk.org/Pango/type_func.FontDescription.from_string.html
@@ -152,7 +154,23 @@ pub fn set_font(font: &str) {
     get!().set_font(font)
 }
 
-/// Resets the font to the default.
+/// Sets the font used by the bar.
+///
+/// If this function is not called, the font set by [`set_font`] is used. See that
+/// function for more details.
+pub fn set_bar_font(font: &str) {
+    get!().set_bar_font(font)
+}
+
+/// Sets the font used by window titles.
+///
+/// If this function is not called, the font set by [`set_font`] is used. See that
+/// function for more details.
+pub fn set_title_font(font: &str) {
+    get!().set_title_font(font)
+}
+
+/// Resets the fonts to the defaults.
 ///
 /// Currently the default is `monospace 8`.
 pub fn reset_font() {