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eframe: read native window position and size (#1617)

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Position and dimensions are available via `eframe::Frame::info().window_info`
This commit is contained in:
TicClick
2022-05-13 10:15:43 +02:00
committed by GitHub
parent aef5942d0f
commit 3c685d7bf6
3 changed files with 40 additions and 1 deletions
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26
eframe/src/native/epi_integration.rs
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@@ -1,4 +1,4 @@
use crate::epi;
use crate::{epi, WindowInfo};
use egui_winit::{native_pixels_per_point, WindowSettings};
pub fn points_to_size(points: egui::Vec2) -> winit::dpi::LogicalSize<f64> {
@@ -8,6 +8,28 @@ pub fn points_to_size(points: egui::Vec2) -> winit::dpi::LogicalSize<f64> {
}
}
pub fn read_window_info(
window: &winit::window::Window,
pixels_per_point: f32,
) -> Option<WindowInfo> {
match window.outer_position() {
Ok(pos) => {
let pos = pos.to_logical::<f32>(pixels_per_point.into());
let size = window
.inner_size()
.to_logical::<f32>(pixels_per_point.into());
Some(WindowInfo {
position: egui::Pos2 { x: pos.x, y: pos.y },
size: egui::Vec2 {
x: size.width,
y: size.height,
},
})
}
Err(_) => None,
}
}
pub fn window_builder(
native_options: &epi::NativeOptions,
window_settings: &Option<WindowSettings>,
@@ -177,6 +199,7 @@ impl EpiIntegration {
prefer_dark_mode,
cpu_usage: None,
native_pixels_per_point: Some(native_pixels_per_point(window)),
window_info: read_window_info(window, egui_ctx.pixels_per_point()),
},
output: Default::default(),
storage,
@@ -240,6 +263,7 @@ impl EpiIntegration {
) -> egui::FullOutput {
let frame_start = std::time::Instant::now();
self.frame.info.window_info = read_window_info(window, self.egui_ctx.pixels_per_point());
let raw_input = self.egui_winit.take_egui_input(window);
let full_output = self.egui_ctx.run(raw_input, |egui_ctx| {
crate::profile_scope!("App::update");