migrations/egui
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Add separator widget

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This commit is contained in:
Emil Ernerfeldt
2019-01-13 19:15:11 +01:00
parent d1a985d7cd
commit 6e8cc8439b
4 changed files with 71 additions and 3 deletions
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4
emigui/src/layout.rs
View File

@@ -286,6 +286,10 @@ impl Region {
self.available_space.x
}
pub fn direction(&self) -> Direction {
self.dir
}
// ------------------------------------------------------------------------
// Sub-regions:

65
emigui/src/widgets.rs
View File

@@ -1,8 +1,8 @@
use crate::{
fonts::TextStyle,
layout::{make_id, GuiResponse, Id, Region},
layout::{make_id, Direction, GuiResponse, Id, Region},
math::{remap_clamp, vec2, Vec2},
types::GuiCmd,
types::{Color, GuiCmd, PaintCmd},
};
// ----------------------------------------------------------------------------
@@ -264,3 +264,64 @@ impl<'a> Widget for Slider<'a> {
}
// ----------------------------------------------------------------------------
pub struct Separator {
line_width: f32,
width: f32,
}
impl Separator {
pub fn new() -> Separator {
Separator {
line_width: 2.0,
width: 6.0,
}
}
pub fn line_width(&mut self, line_width: f32) -> &mut Self {
self.line_width = line_width;
self
}
pub fn width(&mut self, width: f32) -> &mut Self {
self.width = width;
self
}
}
impl Widget for Separator {
fn add_to(self, region: &mut Region) -> GuiResponse {
let available_space = region.available_space;
let (points, interact) = match region.direction() {
Direction::Horizontal => {
let (rect, interact) =
region.reserve_space(vec2(self.width, available_space.y), None);
(
vec![
vec2(rect.center().x, rect.min().y),
vec2(rect.center().x, rect.max().y),
],
interact,
)
}
Direction::Vertical => {
let (rect, interact) =
region.reserve_space(vec2(available_space.x, self.width), None);
(
vec![
vec2(rect.min().x, rect.center().y),
vec2(rect.max().x, rect.center().y),
],
interact,
)
}
};
let paint_cmd = PaintCmd::Line {
points,
color: Color::WHITE,
width: self.line_width,
};
region.add_graphic(GuiCmd::PaintCommands(vec![paint_cmd]));
region.response(interact)
}
}