diff options
Diffstat (limited to 'native/src/widget')
-rw-r--r-- | native/src/widget/pick_list.rs | 97 |
1 files changed, 83 insertions, 14 deletions
diff --git a/native/src/widget/pick_list.rs b/native/src/widget/pick_list.rs index 52cb1ad1..c2853314 100644 --- a/native/src/widget/pick_list.rs +++ b/native/src/widget/pick_list.rs @@ -20,6 +20,60 @@ use std::borrow::Cow; pub use iced_style::pick_list::{Appearance, StyleSheet}; +/// The handle to the right side of the [`PickList`]. +#[derive(Debug, Clone, PartialEq, Eq)] +pub enum Handle<Renderer> +where + Renderer: text::Renderer, +{ + /// Displays an arrow icon (▼). + /// + /// This is the default. + Arrow { + /// Font size of the content. + size: Option<u16>, + }, + /// A custom handle. + Custom { + /// Font that will be used to display the `text`, + font: Renderer::Font, + /// Text that will be shown. + text: String, + /// Font size of the content. + size: Option<u16>, + }, + /// No handle will be shown. + None, +} + +impl<Renderer> Default for Handle<Renderer> +where + Renderer: text::Renderer, +{ + fn default() -> Self { + Self::Arrow { size: None } + } +} + +impl<Renderer> Handle<Renderer> +where + Renderer: text::Renderer, +{ + fn content(&self) -> Option<(Renderer::Font, String, Option<u16>)> { + match self { + Self::Arrow { size } => Some(( + Renderer::ICON_FONT, + Renderer::ARROW_DOWN_ICON.to_string(), + *size, + )), + Self::Custom { font, text, size } => { + Some((font.clone(), text.clone(), *size)) + } + Self::None => None, + } + } +} + /// A widget for selecting a single value from a list of options. #[allow(missing_debug_implementations)] pub struct PickList<'a, T, Message, Renderer> @@ -36,6 +90,7 @@ where padding: Padding, text_size: Option<u16>, font: Renderer::Font, + handle: Handle<Renderer>, style: <Renderer::Theme as StyleSheet>::Style, } @@ -67,9 +122,10 @@ where placeholder: None, selected, width: Length::Shrink, - text_size: None, padding: Self::DEFAULT_PADDING, + text_size: None, font: Default::default(), + handle: Default::default(), style: Default::default(), } } @@ -104,6 +160,12 @@ where self } + /// Sets the [`Handle`] of the [`PickList`]. + pub fn handle(mut self, handle: Handle<Renderer>) -> Self { + self.handle = handle; + self + } + /// Sets the style of the [`PickList`]. pub fn style( mut self, @@ -214,6 +276,7 @@ where &self.font, self.placeholder.as_deref(), self.selected.as_ref(), + &self.handle, &self.style, ) } @@ -515,6 +578,7 @@ pub fn draw<T, Renderer>( font: &Renderer::Font, placeholder: Option<&str>, selected: Option<&T>, + handle: &Handle<Renderer>, style: &<Renderer::Theme as StyleSheet>::Style, ) where Renderer: text::Renderer, @@ -541,19 +605,24 @@ pub fn draw<T, Renderer>( style.background, ); - renderer.fill_text(Text { - content: &Renderer::ARROW_DOWN_ICON.to_string(), - font: Renderer::ICON_FONT, - size: bounds.height * style.icon_size, - bounds: Rectangle { - x: bounds.x + bounds.width - f32::from(padding.horizontal()), - y: bounds.center_y(), - ..bounds - }, - color: style.text_color, - horizontal_alignment: alignment::Horizontal::Right, - vertical_alignment: alignment::Vertical::Center, - }); + if let Some((font, text, size)) = handle.content() { + let size = f32::from(size.unwrap_or_else(|| renderer.default_size())); + + renderer.fill_text(Text { + content: &text, + size, + font, + color: style.handle_color, + bounds: Rectangle { + x: bounds.x + bounds.width - f32::from(padding.horizontal()), + y: bounds.center_y() - size / 2.0, + height: size, + ..bounds + }, + horizontal_alignment: alignment::Horizontal::Right, + vertical_alignment: alignment::Vertical::Top, + }); + } let label = selected.map(ToString::to_string); |