Button/input outline, Input select all

src/context.rs

@@ -7,10 +7,10 @@ use kludgine::app::winit::event::{
     DeviceId, Ime, KeyEvent, MouseButton, MouseScrollDelta, TouchPhase,
 };
 use kludgine::app::winit::window;
-use kludgine::figures::units::{Px, UPx};
-use kludgine::figures::{IntoSigned, Point, Rect, Size};
+use kludgine::figures::units::{Lp, Px, UPx};
+use kludgine::figures::{IntoSigned, Point, Rect, ScreenScale, Size};
 use kludgine::shapes::{Shape, StrokeOptions};
-use kludgine::Kludgine;
+use kludgine::{Color, Kludgine};
 
 use crate::graphics::Graphics;
 use crate::styles::components::{HighlightColor, VisualOrder, WidgetBackground};
@@ -450,6 +450,18 @@ impl<'context, 'window, 'clip, 'gfx, 'pass> GraphicsContext<'context, 'window, '
         }
     }
 
+    /// Strokes an outline around this widget's contents.
+    pub fn stroke_outline<Unit>(&mut self, color: Color, options: StrokeOptions<Unit>)
+    where
+        Unit: ScreenScale<Px = Px, Lp = Lp>,
+    {
+        let visible_rect = Rect::from(self.gfx.region().size - (Px(1), Px(1)));
+        let focus_ring =
+            Shape::stroked_rect(visible_rect, color, options.into_px(self.gfx.scale()));
+        self.gfx
+            .draw_shape(&focus_ring, Point::default(), None, None);
+    }
+
     /// Renders the default focus ring for this widget.
     ///
     /// To ensure the correct color is used, include [`HighlightColor`] in the
@@ -460,14 +472,8 @@ impl<'context, 'window, 'clip, 'gfx, 'pass> GraphicsContext<'context, 'window, '
             return;
         }
 
-        let visible_rect = Rect::from(self.gfx.region().size - (Px(1), Px(1)));
-        let focus_ring = Shape::stroked_rect(
-            visible_rect,
-            styles.get(&HighlightColor, self),
-            StrokeOptions::default(),
-        );
-        self.gfx
-            .draw_shape(&focus_ring, Point::default(), None, None);
+        let color = styles.get(&HighlightColor, self);
+        self.stroke_outline::<Lp>(color, StrokeOptions::default());
     }
 
     /// Renders the default focus ring for this widget.

src/styles/components.rs

@@ -394,3 +394,39 @@ impl ComponentDefinition for WidgetBackground {
         Color::CLEAR_WHITE
     }
 }
+
+/// A [`Color`] to be used as an outline color.
+#[derive(Clone, Copy, Eq, PartialEq, Debug)]
+pub struct OutlineColor;
+
+impl NamedComponent for OutlineColor {
+    fn name(&self) -> Cow<'_, ComponentName> {
+        Cow::Owned(ComponentName::named::<Global>("outline_color"))
+    }
+}
+
+impl ComponentDefinition for OutlineColor {
+    type ComponentType = Color;
+
+    fn default_value(&self, context: &WidgetContext<'_, '_>) -> Color {
+        context.theme().surface.outline
+    }
+}
+
+/// A [`Color`] to be used as an outline color.
+#[derive(Clone, Copy, Eq, PartialEq, Debug)]
+pub struct DisabledOutlineColor;
+
+impl NamedComponent for DisabledOutlineColor {
+    fn name(&self) -> Cow<'_, ComponentName> {
+        Cow::Owned(ComponentName::named::<Global>("disabled_outline_color"))
+    }
+}
+
+impl ComponentDefinition for DisabledOutlineColor {
+    type ComponentType = Color;
+
+    fn default_value(&self, context: &WidgetContext<'_, '_>) -> Color {
+        context.theme().surface.outline_variant
+    }
+}

src/widgets/button.rs

@@ -4,16 +4,18 @@ use std::panic::UnwindSafe;
 use std::time::Duration;
 
 use kludgine::app::winit::event::{DeviceId, ElementState, KeyEvent, MouseButton};
-use kludgine::figures::units::{Px, UPx};
+use kludgine::figures::units::{Lp, Px, UPx};
 use kludgine::figures::{IntoUnsigned, Point, Rect, ScreenScale, Size};
+use kludgine::shapes::StrokeOptions;
 use kludgine::text::Text;
 use kludgine::Color;
 
-use crate::animation::{AnimationHandle, AnimationTarget, Spawn};
+use crate::animation::{AnimationHandle, AnimationTarget, LinearInterpolate, Spawn};
 use crate::context::{EventContext, GraphicsContext, LayoutContext, WidgetContext};
 use crate::names::Name;
 use crate::styles::components::{
-    AutoFocusableControls, Easing, IntrinsicPadding, SurfaceColor, TextColor,
+    AutoFocusableControls, DisabledOutlineColor, Easing, IntrinsicPadding, OutlineColor,
+    SurfaceColor, TextColor,
 };
 use crate::styles::{ColorExt, ComponentDefinition, ComponentGroup, ComponentName, NamedComponent};
 use crate::utils::ModifiersExt;
@@ -31,8 +33,8 @@ pub struct Button {
     pub enabled: Value<bool>,
     currently_enabled: bool,
     buttons_pressed: usize,
-    background_color: Option<Dynamic<Color>>,
-    text_color: Option<Dynamic<Color>>,
+    colors: Option<Dynamic<Colors>>,
+
     color_animation: AnimationHandle,
 }
 
@@ -45,8 +47,7 @@ impl Button {
             enabled: Value::Constant(true),
             currently_enabled: true,
             buttons_pressed: 0,
-            background_color: None,
-            text_color: None,
+            colors: None,
             color_animation: AnimationHandle::default(),
         }
     }
@@ -88,18 +89,23 @@ impl Button {
             &Easing,
             &TextColor,
             &SurfaceColor,
+            &OutlineColor,
+            &DisabledOutlineColor,
         ]);
         let text_color = styles.get(&TextColor, context);
         let surface_color = styles.get(&SurfaceColor, context);
-        let (background_color, text_color, surface_color) = if !self.enabled.get() {
+        let outline_color = styles.get(&OutlineColor, context);
+        let (background, outline, text_color, surface_color) = if !self.enabled.get() {
             (
                 styles.get(&ButtonDisabledBackground, context),
+                styles.get(&DisabledOutlineColor, context),
                 text_color,
                 surface_color,
             )
         } else if context.is_default() {
             // TODO this probably should be de-prioritized if ButtonBackground is explicitly set.
             (
+                context.theme().primary.color,
                 context.theme().primary.color,
                 context.theme().primary.on_color,
                 context.theme().primary.color,
@@ -107,56 +113,77 @@ impl Button {
         } else if context.active() {
             (
                 styles.get(&ButtonActiveBackground, context),
+                outline_color,
                 text_color,
                 surface_color,
             )
         } else if context.hovered() {
             (
                 styles.get(&ButtonHoverBackground, context),
+                outline_color,
                 text_color,
                 surface_color,
             )
         } else {
             (
                 styles.get(&ButtonBackground, context),
+                outline_color,
                 text_color,
                 surface_color,
             )
         };
 
-        let text_color = background_color.most_contrasting(&[text_color, surface_color]);
+        let text = background.most_contrasting(&[text_color, surface_color]);
 
-        match (immediate, &self.background_color, &self.text_color) {
-            (false, Some(bg), Some(text)) => {
-                self.color_animation = (
-                    bg.transition_to(background_color),
-                    text.transition_to(text_color),
-                )
+        let new_colors = Colors {
+            background,
+            text,
+            outline,
+        };
+
+        match (immediate, &self.colors) {
+            (false, Some(colors)) => {
+                self.color_animation = colors
+                    .transition_to(new_colors)
                     .over(Duration::from_millis(150))
                     .with_easing(styles.get(&Easing, context))
                     .spawn();
             }
-            (true, Some(bg), Some(text)) => {
-                bg.update(background_color);
-                text.update(text_color);
+            (true, Some(colors)) => {
+                colors.update(new_colors);
                 self.color_animation.clear();
             }
             _ => {
-                self.background_color = Some(Dynamic::new(background_color));
-                self.text_color = Some(Dynamic::new(text_color));
+                self.colors = Some(Dynamic::new(new_colors));
             }
         }
     }
 
-    fn current_colors(&mut self, context: &WidgetContext<'_, '_>) -> (Color, Color) {
-        if self.background_color.is_none() {
+    fn current_colors(&mut self, context: &WidgetContext<'_, '_>) -> Colors {
+        if self.colors.is_none() {
             self.update_colors(context, false);
         }
 
-        let background_color = self.background_color.as_ref().expect("always initialized");
-        let text_color = self.text_color.as_ref().expect("always initialized"); // TODO combine these into a single option
-        context.redraw_when_changed(background_color);
-        (background_color.get(), text_color.get())
+        let colors = self.colors.as_ref().expect("always initialized");
+        context.redraw_when_changed(colors);
+        colors.get()
+    }
+}
+
+#[derive(Debug, Eq, PartialEq, Clone, Copy)]
+struct Colors {
+    background: Color,
+    text: Color,
+    outline: Color,
+}
+
+impl LinearInterpolate for Colors {
+    fn lerp(&self, target: &Self, percent: f32) -> Self {
+        Self {
+            background: self.background.lerp(&target.background, percent),
+            text: self.text.lerp(&target.text, percent),
+            outline: self.outline.lerp(&target.outline, percent),
+        }
     }
 }
 
@@ -175,16 +202,18 @@ impl Widget for Button {
         self.label.redraw_when_changed(context);
         self.enabled.redraw_when_changed(context);
 
-        let (background_color, text_color) = self.current_colors(context);
-        context.gfx.fill(background_color);
+        let colors = self.current_colors(context);
+        context.gfx.fill(colors.background);
 
         if context.focused() {
             context.draw_focus_ring();
+        } else {
+            context.stroke_outline::<Lp>(colors.outline, StrokeOptions::default());
         }
 
         self.label.map(|label| {
             context.gfx.draw_text(
-                Text::new(label, text_color)
+                Text::new(label, colors.text)
                     .origin(kludgine::text::TextOrigin::Center)
                     .wrap_at(size.width),
                 center,

src/widgets/input.rs

@@ -5,17 +5,19 @@ use std::time::Duration;
 
 use kludgine::app::winit::event::{ElementState, Ime, KeyEvent};
 use kludgine::app::winit::keyboard::Key;
-use kludgine::cosmic_text::{Action, Attrs, Buffer, Cursor, Edit, Editor, Metrics, Shaping};
-use kludgine::figures::units::{Px, UPx};
+use kludgine::cosmic_text::{
+    Action, Affinity, Attrs, Buffer, Cursor, Edit, Editor, Metrics, Shaping,
+};
+use kludgine::figures::units::{Lp, Px, UPx};
 use kludgine::figures::{
     FloatConversion, IntoSigned, IntoUnsigned, Point, Rect, ScreenScale, Size,
 };
-use kludgine::shapes::Shape;
+use kludgine::shapes::{Shape, StrokeOptions};
 use kludgine::text::TextOrigin;
 use kludgine::{Color, Kludgine};
 
 use crate::context::{EventContext, LayoutContext, WidgetContext};
-use crate::styles::components::{HighlightColor, LineHeight, TextColor, TextSize};
+use crate::styles::components::{HighlightColor, LineHeight, OutlineColor, TextColor, TextSize};
 use crate::styles::Styles;
 use crate::utils::ModifiersExt;
 use crate::value::{Generation, IntoValue, Value};
@@ -32,6 +34,8 @@ pub struct Input {
     on_key: Option<Callback<KeyEvent, EventHandling>>,
     editor: Option<LiveEditor>,
     cursor_state: CursorState,
+    needs_to_select_all: bool,
+    mouse_buttons_down: usize,
 }
 
 impl Input {
@@ -47,6 +51,8 @@ impl Input {
             editor: None,
             cursor_state: CursorState::default(),
             on_key: None,
+            mouse_buttons_down: 0,
+            needs_to_select_all: true,
         }
     }
 
@@ -100,6 +106,22 @@ impl Input {
     fn styles(context: &WidgetContext<'_, '_>) -> Styles {
         context.query_styles(&[&TextColor, &TextSize, &LineHeight])
     }
+
+    fn select_all(&mut self) {
+        let Some(editor) = self.editor.as_mut().map(|editor| &mut editor.editor) else {
+            return;
+        };
+        if !editor.buffer().lines.is_empty() {
+            let line = editor.buffer().lines.len() - 1;
+            let end = Cursor::new_with_affinity(
+                line,
+                editor.buffer().lines[line].text().len(),
+                Affinity::After,
+            );
+            editor.set_cursor(end);
+            editor.set_select_opt(Some(Cursor::new_with_affinity(0, 0, Affinity::Before)));
+        }
+    }
 }
 
 impl Default for Input {
@@ -132,7 +154,9 @@ impl Widget for Input {
         _button: kludgine::app::winit::event::MouseButton,
         context: &mut EventContext<'_, '_>,
     ) -> EventHandling {
+        self.mouse_buttons_down += 1;
         context.focus();
+        self.needs_to_select_all = false;
         let styles = context.query_styles(&[&TextColor]);
         self.editor_mut(context.kludgine, &styles, &context.widget)
             .action(
@@ -166,12 +190,22 @@ impl Widget for Input {
         context.set_needs_redraw();
     }
 
+    fn mouse_up(
+        &mut self,
+        _location: Option<Point<Px>>,
+        _device_id: kludgine::app::winit::event::DeviceId,
+        _button: kludgine::app::winit::event::MouseButton,
+        _context: &mut EventContext<'_, '_>,
+    ) {
+        self.mouse_buttons_down -= 1;
+    }
+
     #[allow(clippy::too_many_lines)]
     fn redraw(&mut self, context: &mut crate::context::GraphicsContext<'_, '_, '_, '_, '_>) {
         self.cursor_state.update(context.elapsed());
         let cursor_state = self.cursor_state;
         let size = context.gfx.size();
-        let styles = context.query_styles(&[&TextColor, &HighlightColor]);
+        let styles = context.query_styles(&[&TextColor, &HighlightColor, &OutlineColor]);
         let highlight = styles.get(&HighlightColor, context);
         let editor = self.editor_mut(&mut context.gfx, &styles, &context.widget);
         let cursor = editor.cursor();
@@ -311,6 +345,9 @@ impl Widget for Input {
                     context.redraw_when_changed(context.window().focused());
                 }
             }
+        } else {
+            let outline_color = styles.get(&OutlineColor, context);
+            context.stroke_outline::<Lp>(outline_color, StrokeOptions::default());
         }
 
         let text_color = styles.get(&TextColor, context);
@@ -330,6 +367,10 @@ impl Widget for Input {
         context: &mut LayoutContext<'_, '_, '_, '_, '_>,
     ) -> Size<UPx> {
         let styles = context.query_styles(&[&TextColor]);
+        if self.needs_to_select_all {
+            self.needs_to_select_all = false;
+            self.select_all();
+        }
         let editor = self.editor_mut(&mut context.graphics.gfx, &styles, &context.graphics.widget);
         let buffer = editor.buffer_mut();
         buffer.set_size(
@@ -362,7 +403,7 @@ impl Widget for Input {
         //     "Keyboard input: {:?}. {:?}, {:?}",
         //     input.logical_key, input.text, input.physical_key
         // );
-        let (text_changed, handled) = match (input.state, input.logical_key, input.text) {
+        let (text_changed, handled) = match (input.state, input.logical_key, input.text.as_deref()) {
             (ElementState::Pressed,  key @ (Key::Backspace | Key::Delete), _) => {
                 editor.action(
                     context.kludgine.font_system(),
@@ -400,6 +441,12 @@ impl Widget for Input {
                 );
                 (false, HANDLED)
             }
+            (state, _, Some("a")) if context.modifiers().primary() => {
+                if state.is_pressed() {
+                    self.select_all();
+                }
+                (false, HANDLED)
+            }
             (state, _, Some(text))
                 if !context.modifiers().primary()
                     && text != "\t" // tab
@@ -408,7 +455,7 @@ impl Widget for Input {
                     =>
             {
                 if state.is_pressed() {
-                    editor.insert_string(&text, None);
+                    editor.insert_string(text, None);
                 }
                 (state.is_pressed(), HANDLED)
             }
@@ -456,6 +503,10 @@ impl Widget for Input {
     }
 
     fn focus(&mut self, context: &mut EventContext<'_, '_>) {
+        if self.mouse_buttons_down == 0 {
+            self.needs_to_select_all = true;
+        }
+
         context.set_ime_allowed(true);
         context.set_needs_redraw();
     }