Draw proper checkmark for Checkbox in iced_wgpu

examples/todos.rs

@@ -357,7 +357,7 @@ fn empty_message(message: &str) -> Element<'static, Message> {
 // Fonts
 const ICONS: Font = Font::External {
     name: "Icons",
-    bytes: include_bytes!("./resources/icons.ttf"),
+    bytes: include_bytes!("resources/icons.ttf"),
 };
 
 fn icon(unicode: char) -> Text {

wgpu/src/renderer/widget/checkbox.rs

@@ -74,14 +74,15 @@ impl checkbox::Renderer for Renderer {
         (
             Primitive::Group {
                 primitives: if checkbox.is_checked {
-                    // TODO: Draw an actual icon
-                    let (check, _) = text::Renderer::draw(
-                        self,
-                        &Text::new("X")
-                            .horizontal_alignment(HorizontalAlignment::Center)
-                            .vertical_alignment(VerticalAlignment::Center),
-                        checkbox_layout,
-                    );
+                    let check = Primitive::Text {
+                        content: crate::text::CHECKMARK_ICON.to_string(),
+                        font: crate::text::BUILTIN_ICONS,
+                        size: checkbox_bounds.height * 0.7,
+                        bounds: checkbox_bounds,
+                        color: [0.3, 0.3, 0.3].into(),
+                        horizontal_alignment: HorizontalAlignment::Center,
+                        vertical_alignment: VerticalAlignment::Center,
+                    };
 
                     vec![checkbox_border, checkbox_box, check, label]
                 } else {

wgpu/src/text.rs

@@ -5,6 +5,13 @@ use crate::Transformation;
 use std::cell::RefCell;
 use std::collections::HashMap;
 
+pub const BUILTIN_ICONS: iced_native::Font = iced_native::Font::External {
+    name: "iced_wgpu icons",
+    bytes: include_bytes!("text/icons.ttf"),
+};
+
+pub const CHECKMARK_ICON: char = '\u{F00C}';
+
 pub struct Pipeline {
     draw_brush: RefCell<wgpu_glyph::GlyphBrush<'static, ()>>,
     draw_font_map: RefCell<HashMap<String, wgpu_glyph::FontId>>,
@@ -91,10 +98,10 @@ impl Pipeline {
 
             // TODO: This is a bit hacky. We are loading the debug font as the
             // first font in the `draw_brush`. The `measure_brush` does not
-            // contain this font, hence we subtract 1.
+            // contain this, hence we subtract 1.
             //
-            // This should go away once we improve the debug view and integrate
-            // it as just another UI app.
+            // This should go away once we unify `draw_brush` and
+            // `measure_brush`.
             font_id: wgpu_glyph::FontId(font_id - 1),
             ..Default::default()
         };