use gpui::{AnyView, ClickEvent}; use crate::{prelude::*, ButtonLike, ButtonLikeRounding, ElevationIndex}; /// The position of a [`ToggleButton`] within a group of buttons. #[derive(Debug, PartialEq, Eq, Clone, Copy)] pub enum ToggleButtonPosition { /// The toggle button is first in the group. First, /// The toggle button is in the middle of the group (i.e., it is not the first or last toggle button). Middle, /// The toggle button is last in the group. Last, } #[derive(IntoElement, IntoComponent)] #[component(scope = "Input")] pub struct ToggleButton { base: ButtonLike, position_in_group: Option, label: SharedString, label_color: Option, } impl ToggleButton { pub fn new(id: impl Into, label: impl Into) -> Self { Self { base: ButtonLike::new(id), position_in_group: None, label: label.into(), label_color: None, } } pub fn color(mut self, label_color: impl Into>) -> Self { self.label_color = label_color.into(); self } pub fn position_in_group(mut self, position: ToggleButtonPosition) -> Self { self.position_in_group = Some(position); self } pub fn first(self) -> Self { self.position_in_group(ToggleButtonPosition::First) } pub fn middle(self) -> Self { self.position_in_group(ToggleButtonPosition::Middle) } pub fn last(self) -> Self { self.position_in_group(ToggleButtonPosition::Last) } } impl Toggleable for ToggleButton { fn toggle_state(mut self, selected: bool) -> Self { self.base = self.base.toggle_state(selected); self } } impl SelectableButton for ToggleButton { fn selected_style(mut self, style: ButtonStyle) -> Self { self.base.selected_style = Some(style); self } } impl Disableable for ToggleButton { fn disabled(mut self, disabled: bool) -> Self { self.base = self.base.disabled(disabled); self } } impl Clickable for ToggleButton { fn on_click(mut self, handler: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static) -> Self { self.base = self.base.on_click(handler); self } fn cursor_style(mut self, cursor_style: gpui::CursorStyle) -> Self { self.base = self.base.cursor_style(cursor_style); self } } impl ButtonCommon for ToggleButton { fn id(&self) -> &ElementId { self.base.id() } fn style(mut self, style: ButtonStyle) -> Self { self.base = self.base.style(style); self } fn size(mut self, size: ButtonSize) -> Self { self.base = self.base.size(size); self } fn tooltip(mut self, tooltip: impl Fn(&mut Window, &mut App) -> AnyView + 'static) -> Self { self.base = self.base.tooltip(tooltip); self } fn layer(mut self, elevation: ElevationIndex) -> Self { self.base = self.base.layer(elevation); self } } impl RenderOnce for ToggleButton { fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement { let is_disabled = self.base.disabled; let is_selected = self.base.selected; let label_color = if is_disabled { Color::Disabled } else if is_selected { Color::Selected } else { self.label_color.unwrap_or_default() }; self.base .when_some(self.position_in_group, |this, position| match position { ToggleButtonPosition::First => this.rounding(ButtonLikeRounding::Left), ToggleButtonPosition::Middle => this.rounding(None), ToggleButtonPosition::Last => this.rounding(ButtonLikeRounding::Right), }) .child( Label::new(self.label) .color(label_color) .line_height_style(LineHeightStyle::UiLabel), ) } } impl ComponentPreview for ToggleButton { fn preview(_window: &mut Window, _cx: &mut App) -> AnyElement { v_flex() .gap_6() .children(vec![ example_group_with_title( "Button Styles", vec![ single_example( "Off", ToggleButton::new("off", "Off") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .into_any_element(), ), single_example( "On", ToggleButton::new("on", "On") .layer(ElevationIndex::Background) .toggle_state(true) .style(ButtonStyle::Filled) .into_any_element(), ), single_example( "Off – Disabled", ToggleButton::new("disabled_off", "Disabled Off") .layer(ElevationIndex::Background) .disabled(true) .style(ButtonStyle::Filled) .into_any_element(), ), single_example( "On – Disabled", ToggleButton::new("disabled_on", "Disabled On") .layer(ElevationIndex::Background) .disabled(true) .toggle_state(true) .style(ButtonStyle::Filled) .into_any_element(), ), ], ), example_group_with_title( "Button Group", vec![ single_example( "Three Buttons", h_flex() .child( ToggleButton::new("three_btn_first", "First") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .first() .into_any_element(), ) .child( ToggleButton::new("three_btn_middle", "Middle") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .middle() .toggle_state(true) .into_any_element(), ) .child( ToggleButton::new("three_btn_last", "Last") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .last() .into_any_element(), ) .into_any_element(), ), single_example( "Two Buttons", h_flex() .child( ToggleButton::new("two_btn_first", "First") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .first() .into_any_element(), ) .child( ToggleButton::new("two_btn_last", "Last") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .last() .into_any_element(), ) .into_any_element(), ), ], ), example_group_with_title( "Alternate Sizes", vec![ single_example( "None", ToggleButton::new("none", "None") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .size(ButtonSize::None) .into_any_element(), ), single_example( "Compact", ToggleButton::new("compact", "Compact") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .size(ButtonSize::Compact) .into_any_element(), ), single_example( "Large", ToggleButton::new("large", "Large") .layer(ElevationIndex::Background) .style(ButtonStyle::Filled) .size(ButtonSize::Large) .into_any_element(), ), ], ), ]) .into_any_element() } }