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Add anchors to windows and areas (#310)

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This is so that you can put a window in e.g. the top right corner
or the center of the screen.
This commit is contained in:
Emil Ernerfeldt
2021-04-18 10:01:41 +02:00
committed by GitHub
parent 5667e7eb51
commit 580d27e0d3
6 changed files with 220 additions and 56 deletions
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38
egui_demo_lib/src/apps/demo/window_options.rs
View File

@@ -8,6 +8,10 @@ pub struct WindowOptions {
resizable: bool,
scroll: bool,
disabled_time: f64,
anchored: bool,
anchor: egui::Align2,
anchor_offset: egui::Vec2,
}
impl Default for WindowOptions {
@@ -20,6 +24,9 @@ impl Default for WindowOptions {
resizable: true,
scroll: false,
disabled_time: f64::NEG_INFINITY,
anchored: false,
anchor: egui::Align2::RIGHT_TOP,
anchor_offset: egui::Vec2::ZERO,
}
}
}
@@ -38,6 +45,9 @@ impl super::Demo for WindowOptions {
resizable,
scroll,
disabled_time,
anchored,
anchor,
anchor_offset,
} = self.clone();
let enabled = ctx.input().time - disabled_time > 2.0;
@@ -56,6 +66,9 @@ impl super::Demo for WindowOptions {
if closable {
window = window.open(open);
}
if anchored {
window = window.anchor(anchor, anchor_offset);
}
window.show(ctx, |ui| self.ui(ui));
}
}
@@ -70,6 +83,9 @@ impl super::View for WindowOptions {
resizable,
scroll,
disabled_time,
anchored,
anchor,
anchor_offset,
} = self;
ui.horizontal(|ui| {
@@ -82,6 +98,28 @@ impl super::View for WindowOptions {
ui.checkbox(resizable, "resizable");
ui.checkbox(scroll, "scroll");
ui.group(|ui| {
ui.checkbox(anchored, "anchored");
ui.set_enabled(*anchored);
ui.horizontal(|ui| {
ui.label("x:");
ui.selectable_value(&mut anchor.0[0], egui::Align::LEFT, "Left");
ui.selectable_value(&mut anchor.0[0], egui::Align::Center, "Center");
ui.selectable_value(&mut anchor.0[0], egui::Align::RIGHT, "Right");
});
ui.horizontal(|ui| {
ui.label("y:");
ui.selectable_value(&mut anchor.0[1], egui::Align::TOP, "Top");
ui.selectable_value(&mut anchor.0[1], egui::Align::Center, "Center");
ui.selectable_value(&mut anchor.0[1], egui::Align::BOTTOM, "Bottom");
});
ui.horizontal(|ui| {
ui.label("Offset:");
ui.add(egui::DragValue::new(&mut anchor_offset.x));
ui.add(egui::DragValue::new(&mut anchor_offset.y));
});
});
if ui.button("Disable for 2 seconds").clicked() {
*disabled_time = ui.input().time;
}