82 lines
2.2 KiB
Rust
82 lines
2.2 KiB
Rust
use super::Renderer;
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use ggez::graphics::{DrawParam, Rect};
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use iced::{slider, MouseCursor, Point, Rectangle};
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use std::ops::RangeInclusive;
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const RAIL: Rect = Rect {
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x: 98.0,
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y: 56.0,
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w: 1.0,
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h: 4.0,
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};
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const MARKER: Rect = Rect {
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x: RAIL.x + 28.0,
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y: RAIL.y,
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w: 16.0,
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h: 24.0,
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};
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impl slider::Renderer for Renderer<'_> {
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fn draw(
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&mut self,
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cursor_position: Point,
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bounds: Rectangle,
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state: &slider::State,
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range: RangeInclusive<f32>,
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value: f32,
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) -> MouseCursor {
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let width = self.spritesheet.width() as f32;
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let height = self.spritesheet.height() as f32;
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self.sprites.add(DrawParam {
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src: Rect {
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x: RAIL.x / width,
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y: RAIL.y / height,
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w: RAIL.w / width,
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h: RAIL.h / height,
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},
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dest: ggez::mint::Point2 {
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x: bounds.x + MARKER.w as f32 / 2.0,
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y: bounds.y + 12.5,
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},
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scale: ggez::mint::Vector2 {
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x: bounds.width - MARKER.w as f32,
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y: 1.0,
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},
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..DrawParam::default()
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});
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let (range_start, range_end) = range.into_inner();
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let marker_offset = (bounds.width - MARKER.w as f32)
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* ((value - range_start) / (range_end - range_start).max(1.0));
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let mouse_over = bounds.contains(cursor_position);
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let is_active = state.is_dragging() || mouse_over;
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self.sprites.add(DrawParam {
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src: Rect {
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x: (MARKER.x + (if is_active { MARKER.w } else { 0.0 }))
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/ width,
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y: MARKER.y / height,
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w: MARKER.w / width,
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h: MARKER.h / height,
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},
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dest: ggez::mint::Point2 {
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x: bounds.x + marker_offset.round(),
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y: bounds.y + (if state.is_dragging() { 2.0 } else { 0.0 }),
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},
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..DrawParam::default()
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});
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if state.is_dragging() {
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MouseCursor::Grabbing
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} else if mouse_over {
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MouseCursor::Grab
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} else {
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MouseCursor::OutOfBounds
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}
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}
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}
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