remove dependency on iced_aw (segmented button)

iced_aw is dropping the segmented_button in Beta branch, suggesting
to use iced button

Cargo.toml

@@ -10,7 +10,6 @@ tracing = ["dep:lttng-ust"]
 #iced = "0.4.2"
 #iced_native = "0.5.1"
 iced = { path = "../iced", features = ["advanced"] }
-iced_aw = { path = "../iced_aw", default-features = false, features = ["segmented_button", "tab_bar", "icons"] }
 chrono = { version = "0.4", features = ["unstable-locales"] }
 lttng-ust = { version = "0.1.0", optional = true }
 icalendar = "0.15.4"

src/ui/controls.rs

@@ -6,20 +6,7 @@ use chrono::{
 	NaiveDate,
 	Locale,
 };
-use iced::{
+use iced::{Alignment, Background, Border, Element, Length, Theme, alignment, theme::palette, widget::{Button, Row, Text, button::{Status, Style, secondary}, row, text}};
-    alignment,
-    Alignment,
-    Element,
-    Length,
-    widget::{
-		button,
-		row,
-		Row,
-	    Button,
-	    Text, text,
-	},
-};
-use iced_aw::widgets::segmented_button::SegmentedButton;
 
 //#[derive(Default)]
 pub struct Controls {
@@ -48,13 +35,13 @@ impl Controls {
             .padding(5)
             .spacing(10)
         	.push(row![
-				SegmentedButton::new(text("Week"), ViewMode::Week, self.mode, Message::ViewModeSelected),
+				Button::new(text("Week")).on_press(Message::ViewModeSelected(ViewMode::Week)).style(self.get_mode_style(ViewMode::Week)),
-				SegmentedButton::new(text("Month"), ViewMode::Month, self.mode, Message::ViewModeSelected),
+				Button::new(text("Month")).on_press(Message::ViewModeSelected(ViewMode::Month)).style(self.get_mode_style(ViewMode::Month)),
-				SegmentedButton::new(text("Year"), ViewMode::Year, self.mode, Message::ViewModeSelected),
+				Button::new(text("Year")).on_press(Message::ViewModeSelected(ViewMode::Year)).style(self.get_mode_style(ViewMode::Year)),
 			])
 			.push(row![
-	                Button::new(Text::new("<")).on_press(self.get_msg_prev()).style(button::secondary),
+	                Button::new(Text::new("<")).on_press(self.get_msg_prev()).style(secondary),
-	                Button::new(Text::new(">")).on_press(self.get_msg_next()).style(button::secondary),
+	                Button::new(Text::new(">")).on_press(self.get_msg_next()).style(secondary),
 				].spacing(0).padding(0)
 			)
             .push(
@@ -89,4 +76,67 @@ impl Controls {
             None => todo!(),
         }
     }
+    
+    fn get_mode_style(&self, view_mode: ViewMode) -> impl Fn(&Theme, Status) -> Style {
+		if let Some(current_view_mode) = self.mode {
+			if current_view_mode == view_mode {
+				mode_selected
+			} else {
+				mode_not_selected
+			}
+		} else {
+			todo!()
+		}
+	}
 }
+
+// TODO: copied from iced button
+fn styled(pair: palette::Pair) -> Style {
+    Style {
+        background: Some(Background::Color(pair.color)),
+        text_color: pair.text,
+        border: Border::rounded(2),
+        ..Style::default()
+    }
+}
+fn disabled(style: Style) -> Style {
+    Style {
+        background: style
+            .background
+            .map(|background| background.scale_alpha(0.5)),
+        text_color: style.text_color.scale_alpha(0.5),
+        ..style
+    }
+}
+
+fn mode_not_selected(theme: &Theme, status: Status) -> Style {
+    let palette = theme.extended_palette();
+    let base = styled(palette.secondary.base);
+
+    match status {
+        Status::Active | Status::Pressed => base,
+        Status::Hovered => Style {
+            background: Some(Background::Color(palette.secondary.strong.color)),
+            ..base
+        },
+        Status::Disabled => disabled(base),
+    }
+}
+
+fn mode_selected(theme: &Theme, status: Status) -> Style {
+    let palette = theme.extended_palette();
+    let base = styled(palette.secondary.base);
+
+    match status {
+        Status::Active | Status::Pressed => Style {
+            background: Some(Background::Color(palette.secondary.strong.color)),
+            ..base
+        },
+        Status::Hovered => Style {
+            background: Some(Background::Color(palette.secondary.strong.color)),
+            ..base
+        },
+        Status::Disabled => disabled(base),
+    }
+}
+