Add support for "round-digits" property for scale widget (#509)

Co-authored-by: elkowar <5300871+elkowar@users.noreply.github.com>

CHANGELOG.md

@@ -36,6 +36,7 @@ All notable changes to eww will be listed here, starting at changes since versio
 - Add `:onaccept` to input field, add `:onclick` to eventbox
 - Add `EWW_CMD`, `EWW_CONFIG_DIR`, `EWW_EXECUTABLE` magic variables
 - Add `overlay` widget (By: viandoxdev)
+- Add `:round-digits` to scale widget (By: gavynriebau)
 
 ### Notable Internal changes
 - Rework state management completely, now making local state and dynamic widget hierarchy changes possible.

crates/eww/src/widgets/widget_definitions.rs

@@ -394,6 +394,10 @@ fn build_gtk_scale(bargs: &mut BuilderArgs) -> Result<gtk::Scale> {
 
         // @prop draw-value - draw the value of the property
         prop(draw_value: as_bool = false) { gtk_widget.set_draw_value(draw_value) },
+
+        // @prop round-digits - Sets the number of decimals to round the value to when it changes
+        prop(round_digits: as_i32 = 0) { gtk_widget.set_round_digits(round_digits) }
+
     });
     Ok(gtk_widget)
 }