egui/emigui/src/types.rs
2020-05-11 17:08:04 +02:00

126 lines
2.8 KiB
Rust

use serde_derive::{Deserialize, Serialize};
use crate::{
color::Color,
fonts::TextStyle,
math::{Pos2, Rect},
mesher::{Mesh, Path},
};
// ----------------------------------------------------------------------------
#[derive(Clone, Default, Serialize)]
pub struct Output {
pub cursor_icon: CursorIcon,
/// If set, open this url.
pub open_url: Option<String>,
/// Response to Event::Copy or Event::Cut. Ignore if empty.
pub copied_text: String,
}
#[derive(Clone, Copy, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum CursorIcon {
Default,
/// Pointing hand, used for e.g. web links
PointingHand,
ResizeNwSe,
Text,
}
impl Default for CursorIcon {
fn default() -> Self {
Self::Default
}
}
// ----------------------------------------------------------------------------
#[derive(Clone, Copy, Debug, Default, Serialize)]
pub struct InteractInfo {
/// The mouse is hovering above this thing
pub hovered: bool,
/// The mouse pressed this thing ealier, and now released on this thing too.
pub clicked: bool,
/// The mouse is interacting with this thing (e.g. dragging it or holding it)
pub active: bool,
/// The region of the screen we are talking about
pub rect: Rect,
}
// ----------------------------------------------------------------------------
#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
pub struct Outline {
pub width: f32,
pub color: Color,
}
impl Outline {
pub fn new(width: impl Into<f32>, color: impl Into<Color>) -> Self {
Self {
width: width.into(),
color: color.into(),
}
}
}
#[derive(Clone, Debug)]
pub enum PaintCmd {
Circle {
center: Pos2,
fill_color: Option<Color>,
outline: Option<Outline>,
radius: f32,
},
LineSegment {
points: [Pos2; 2],
color: Color,
width: f32,
},
LinePath {
points: Vec<Pos2>,
color: Color,
width: f32,
},
Path {
path: Path,
closed: bool,
fill_color: Option<Color>,
outline: Option<Outline>,
},
Rect {
rect: Rect,
corner_radius: f32,
fill_color: Option<Color>,
outline: Option<Outline>,
},
/// Paint a single line of text
Text {
color: Color,
/// Top left corner of the first character.
pos: Pos2,
text: String,
text_style: TextStyle, // TODO: Font
/// Start each character in the text, as offset from pos.
x_offsets: Vec<f32>,
// TODO: font info
},
/// Low-level triangle mesh
Mesh(Mesh),
}
impl PaintCmd {
pub fn line_segment(points: [Pos2; 2], color: Color, width: f32) -> Self {
Self::LineSegment {
points,
color,
width,
}
}
}