bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'helix-term/src/ui/overlay.rs')
-rw-r--r--helix-term/src/ui/overlay.rs76
1 files changed, 0 insertions, 76 deletions
diff --git a/helix-term/src/ui/overlay.rs b/helix-term/src/ui/overlay.rs
deleted file mode 100644
index ff184d40..00000000
--- a/helix-term/src/ui/overlay.rs
+++ /dev/null
@@ -1,76 +0,0 @@
-use helix_core::Position;
-use helix_view::{
- graphics::{CursorKind, Rect},
- Editor,
-};
-use tui::buffer::Buffer;
-
-use crate::compositor::{Component, Context, Event, EventResult};
-
-/// Contains a component placed in the center of the parent component
-pub struct Overlay<T> {
- /// Child component
- pub content: T,
- /// Function to compute the size and position of the child component
- pub calc_child_size: Box<dyn Fn(Rect) -> Rect>,
-}
-
-/// Surrounds the component with a margin of 5% on each side, and an additional 2 rows at the bottom
-pub fn overlaid<T>(content: T) -> Overlay<T> {
- Overlay {
- content,
- calc_child_size: Box::new(|rect: Rect| clip_rect_relative(rect.clip_bottom(2), 90, 90)),
- }
-}
-
-fn clip_rect_relative(rect: Rect, percent_horizontal: u8, percent_vertical: u8) -> Rect {
- fn mul_and_cast(size: u16, factor: u8) -> u16 {
- ((size as u32) * (factor as u32) / 100).try_into().unwrap()
- }
-
- let inner_w = mul_and_cast(rect.width, percent_horizontal);
- let inner_h = mul_and_cast(rect.height, percent_vertical);
-
- let offset_x = rect.width.saturating_sub(inner_w) / 2;
- let offset_y = rect.height.saturating_sub(inner_h) / 2;
-
- Rect {
- x: rect.x + offset_x,
- y: rect.y + offset_y,
- width: inner_w,
- height: inner_h,
- }
-}
-
-impl<T: Component + 'static> Component for Overlay<T> {
- fn render(&mut self, area: Rect, frame: &mut Buffer, ctx: &mut Context) {
- let dimensions = (self.calc_child_size)(area);
- self.content.render(dimensions, frame, ctx)
- }
-
- fn required_size(&mut self, (width, height): (u16, u16)) -> Option<(u16, u16)> {
- let area = Rect {
- x: 0,
- y: 0,
- width,
- height,
- };
- let dimensions = (self.calc_child_size)(area);
- let viewport = (dimensions.width, dimensions.height);
- let _ = self.content.required_size(viewport)?;
- Some((width, height))
- }
-
- fn handle_event(&mut self, event: &Event, ctx: &mut Context) -> EventResult {
- self.content.handle_event(event, ctx)
- }
-
- fn cursor(&self, area: Rect, ctx: &Editor) -> (Option<Position>, CursorKind) {
- let dimensions = (self.calc_child_size)(area);
- self.content.cursor(dimensions, ctx)
- }
-
- fn id(&self) -> Option<&'static str> {
- self.content.id()
- }
-}