93 lines
2.2 KiB
Rust
93 lines
2.2 KiB
Rust
use crate::{
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elements::*,
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fonts::TextStyle,
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geometry::{rect::RectF, vector::Vector2F},
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Action, ElementBox, LayoutContext, PaintContext, SizeConstraint,
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};
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use serde_json::json;
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use super::ContainerStyle;
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pub struct KeystrokeLabel {
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action: Box<dyn Action>,
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container_style: ContainerStyle,
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text_style: TextStyle,
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}
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impl KeystrokeLabel {
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pub fn new(
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action: Box<dyn Action>,
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container_style: ContainerStyle,
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text_style: TextStyle,
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) -> Self {
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Self {
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action,
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container_style,
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text_style,
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}
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}
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}
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impl Element for KeystrokeLabel {
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type LayoutState = ElementBox;
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type PaintState = ();
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fn layout(
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&mut self,
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constraint: SizeConstraint,
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cx: &mut LayoutContext,
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) -> (Vector2F, ElementBox) {
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let mut element = if let Some(keystrokes) = cx.keystrokes_for_action(self.action.as_ref()) {
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Flex::row()
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.with_children(keystrokes.iter().map(|keystroke| {
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Label::new(keystroke.to_string(), self.text_style.clone())
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.contained()
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.with_style(self.container_style)
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.boxed()
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}))
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.boxed()
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} else {
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Empty::new().collapsed().boxed()
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};
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let size = element.layout(constraint, cx);
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(size, element)
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}
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fn paint(
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&mut self,
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bounds: RectF,
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visible_bounds: RectF,
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element: &mut ElementBox,
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cx: &mut PaintContext,
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) {
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element.paint(bounds.origin(), visible_bounds, cx);
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}
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fn rect_for_text_range(
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&self,
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_: Range<usize>,
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_: RectF,
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_: RectF,
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_: &Self::LayoutState,
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_: &Self::PaintState,
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_: &MeasurementContext,
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) -> Option<RectF> {
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None
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}
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fn debug(
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&self,
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_: RectF,
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element: &ElementBox,
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_: &(),
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cx: &crate::DebugContext,
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) -> serde_json::Value {
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json!({
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"type": "KeystrokeLabel",
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"action": self.action.name(),
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"child": element.debug(cx)
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})
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}
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}
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