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-rw-r--r--wgpu/src/renderer/scrollable.rs129
1 files changed, 0 insertions, 129 deletions
diff --git a/wgpu/src/renderer/scrollable.rs b/wgpu/src/renderer/scrollable.rs
deleted file mode 100644
index 72d77cc8..00000000
--- a/wgpu/src/renderer/scrollable.rs
+++ /dev/null
@@ -1,129 +0,0 @@
-use crate::{Primitive, Renderer};
-use iced_native::{
- scrollable, Background, Color, Layout, MouseCursor, Point, Rectangle,
- Scrollable, Widget,
-};
-
-const SCROLLBAR_WIDTH: u16 = 10;
-const SCROLLBAR_MARGIN: u16 = 2;
-
-fn scrollbar_bounds(bounds: Rectangle) -> Rectangle {
- Rectangle {
- x: bounds.x + bounds.width
- - f32::from(SCROLLBAR_WIDTH + 2 * SCROLLBAR_MARGIN),
- y: bounds.y,
- width: f32::from(SCROLLBAR_WIDTH + 2 * SCROLLBAR_MARGIN),
- height: bounds.height,
- }
-}
-
-impl scrollable::Renderer for Renderer {
- fn is_mouse_over_scrollbar(
- &self,
- bounds: Rectangle,
- content_bounds: Rectangle,
- cursor_position: Point,
- ) -> bool {
- content_bounds.height > bounds.height
- && scrollbar_bounds(bounds).contains(cursor_position)
- }
-
- fn draw<Message>(
- &mut self,
- scrollable: &Scrollable<'_, Message, Self>,
- bounds: Rectangle,
- content: Layout<'_>,
- cursor_position: Point,
- ) -> Self::Output {
- let is_mouse_over = bounds.contains(cursor_position);
- let content_bounds = content.bounds();
-
- let offset = scrollable.state.offset(bounds, content_bounds);
- let is_content_overflowing = content_bounds.height > bounds.height;
- let scrollbar_bounds = scrollbar_bounds(bounds);
- let is_mouse_over_scrollbar = self.is_mouse_over_scrollbar(
- bounds,
- content_bounds,
- cursor_position,
- );
-
- let cursor_position = if is_mouse_over && !is_mouse_over_scrollbar {
- Point::new(cursor_position.x, cursor_position.y + offset as f32)
- } else {
- Point::new(cursor_position.x, -1.0)
- };
-
- let (content, mouse_cursor) =
- scrollable.content.draw(self, content, cursor_position);
-
- let clip = Primitive::Clip {
- bounds,
- offset,
- content: Box::new(content),
- };
-
- (
- if is_content_overflowing
- && (is_mouse_over || scrollable.state.is_scrollbar_grabbed())
- {
- let ratio = bounds.height / content_bounds.height;
- let scrollbar_height = bounds.height * ratio;
- let y_offset = offset as f32 * ratio;
-
- let scrollbar = Primitive::Quad {
- bounds: Rectangle {
- x: scrollbar_bounds.x + f32::from(SCROLLBAR_MARGIN),
- y: scrollbar_bounds.y + y_offset,
- width: scrollbar_bounds.width
- - f32::from(2 * SCROLLBAR_MARGIN),
- height: scrollbar_height,
- },
- background: Background::Color(Color {
- r: 0.0,
- g: 0.0,
- b: 0.0,
- a: 0.7,
- }),
- border_radius: 5,
- };
-
- if is_mouse_over_scrollbar
- || scrollable.state.is_scrollbar_grabbed()
- {
- let scrollbar_background = Primitive::Quad {
- bounds: Rectangle {
- x: scrollbar_bounds.x + f32::from(SCROLLBAR_MARGIN),
- width: scrollbar_bounds.width
- - f32::from(2 * SCROLLBAR_MARGIN),
- ..scrollbar_bounds
- },
- background: Background::Color(Color {
- r: 0.0,
- g: 0.0,
- b: 0.0,
- a: 0.3,
- }),
- border_radius: 5,
- };
-
- Primitive::Group {
- primitives: vec![clip, scrollbar_background, scrollbar],
- }
- } else {
- Primitive::Group {
- primitives: vec![clip, scrollbar],
- }
- }
- } else {
- clip
- },
- if is_mouse_over_scrollbar
- || scrollable.state.is_scrollbar_grabbed()
- {
- MouseCursor::Idle
- } else {
- mouse_cursor
- },
- )
- }
-}