86 lines
2.6 KiB
Rust
86 lines
2.6 KiB
Rust
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use glium::glutin;
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#[cfg_attr(feature = "persistence", derive(serde::Deserialize, serde::Serialize))]
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pub struct WindowSettings {
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/// outer position of window in physical pixels
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pos: Option<egui::Pos2>,
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/// Inner size of window in logical pixels
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inner_size_points: Option<egui::Vec2>,
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}
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impl WindowSettings {
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#[cfg(feature = "persistence")]
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pub fn from_json_file(
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settings_json_path: impl AsRef<std::path::Path>,
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) -> Option<WindowSettings> {
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crate::persistence::read_json(settings_json_path)
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}
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pub fn from_display(display: &glium::Display) -> Self {
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let scale_factor = display.gl_window().window().scale_factor();
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let inner_size_points = display
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.gl_window()
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.window()
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.inner_size()
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.to_logical::<f32>(scale_factor);
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Self {
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pos: display
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.gl_window()
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.window()
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.outer_position()
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.ok()
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.map(|p| egui::pos2(p.x as f32, p.y as f32)),
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inner_size_points: Some(egui::vec2(
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inner_size_points.width as f32,
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inner_size_points.height as f32,
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)),
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}
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}
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pub fn initialize_size(
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&self,
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window: glutin::window::WindowBuilder,
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) -> glutin::window::WindowBuilder {
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if let Some(inner_size_points) = self.inner_size_points {
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window.with_inner_size(glutin::dpi::LogicalSize {
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width: inner_size_points.x as f64,
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height: inner_size_points.y as f64,
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})
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} else {
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window
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}
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// Not yet available in winit: https://github.com/rust-windowing/winit/issues/1190
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// if let Some(pos) = self.pos {
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// *window = window.with_outer_pos(glutin::dpi::PhysicalPosition {
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// x: pos.x as f64,
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// y: pos.y as f64,
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// });
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// }
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}
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pub fn restore_positions(&self, display: &glium::Display) {
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// not needed, done by `initialize_size`
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// let size = self.size.unwrap_or_else(|| vec2(1024.0, 800.0));
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// display
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// .gl_window()
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// .window()
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// .set_inner_size(glutin::dpi::PhysicalSize {
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// width: size.x as f64,
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// height: size.y as f64,
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// });
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if let Some(pos) = self.pos {
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display
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.gl_window()
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.window()
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.set_outer_position(glutin::dpi::PhysicalPosition::new(
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pos.x as f64,
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pos.y as f64,
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));
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}
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}
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}
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