diff options
Diffstat (limited to 'graphics/src/widget')
| -rw-r--r-- | graphics/src/widget/scrollable.rs | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/graphics/src/widget/scrollable.rs b/graphics/src/widget/scrollable.rs index b149db0a..fed79c18 100644 --- a/graphics/src/widget/scrollable.rs +++ b/graphics/src/widget/scrollable.rs @@ -15,9 +15,6 @@ pub use iced_style::scrollable::{Scrollbar, Scroller, StyleSheet}; pub type Scrollable<'a, Message, Backend> = iced_native::Scrollable<'a, Message, Renderer<Backend>>; -const SCROLLBAR_WIDTH: u16 = 10; -const SCROLLBAR_MARGIN: u16 = 2; - impl<B> scrollable::Renderer for Renderer<B> where B: Backend, @@ -29,29 +26,45 @@ where bounds: Rectangle, content_bounds: Rectangle, offset: u32, + scrollbar_width: u16, + scrollbar_margin: u16, + scroller_width: u16, ) -> Option<scrollable::Scrollbar> { if content_bounds.height > bounds.height { + let outer_width = + scrollbar_width.max(scroller_width) + 2 * scrollbar_margin; + + let outer_bounds = Rectangle { + x: bounds.x + bounds.width - outer_width as f32, + y: bounds.y, + width: outer_width as f32, + height: bounds.height, + }; + let scrollbar_bounds = Rectangle { x: bounds.x + bounds.width - - f32::from(SCROLLBAR_WIDTH + 2 * SCROLLBAR_MARGIN), + - f32::from(outer_width / 2 + scrollbar_width / 2), y: bounds.y, - width: f32::from(SCROLLBAR_WIDTH + 2 * SCROLLBAR_MARGIN), + width: scrollbar_width as f32, height: bounds.height, }; let ratio = bounds.height / content_bounds.height; - let scrollbar_height = bounds.height * ratio; + let scroller_height = bounds.height * ratio; let y_offset = offset as f32 * ratio; let scroller_bounds = Rectangle { - x: scrollbar_bounds.x + f32::from(SCROLLBAR_MARGIN), + x: bounds.x + bounds.width + - f32::from(outer_width / 2 + scroller_width / 2), y: scrollbar_bounds.y + y_offset, - width: scrollbar_bounds.width - f32::from(2 * SCROLLBAR_MARGIN), - height: scrollbar_height, + width: scroller_width as f32, + height: scroller_height, }; Some(scrollable::Scrollbar { + outer_bounds, bounds: scrollbar_bounds, + margin: scrollbar_margin, scroller: scrollable::Scroller { bounds: scroller_bounds, }, @@ -109,12 +122,7 @@ where let scrollbar = if is_scrollbar_visible { Primitive::Quad { - bounds: Rectangle { - x: scrollbar.bounds.x + f32::from(SCROLLBAR_MARGIN), - width: scrollbar.bounds.width - - f32::from(2 * SCROLLBAR_MARGIN), - ..scrollbar.bounds - }, + bounds: scrollbar.bounds, background: style .background .unwrap_or(Background::Color(Color::TRANSPARENT)), |