migrations/egui
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Add ui.allocate_at_least and ui.allocate_exact_size

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This commit is contained in:
Emil Ernerfeldt
2021-01-06 11:03:29 +01:00
parent f68c30e0c7
commit b4871e2aef
15 changed files with 74 additions and 72 deletions
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6
egui_demo_lib/src/apps/demo/toggle_switch.rs
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@@ -24,7 +24,7 @@ pub fn toggle(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
// 2. Allocating space:
// This is where we get a region of the screen assigned.
// We also tell the Ui to sense clicks in the allocated region.
let response = ui.allocate_response(desired_size, egui::Sense::click());
let (rect, response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
// 3. Interact: Time to check for clicks!.
if response.clicked {
@@ -44,7 +44,6 @@ pub fn toggle(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let on_bg_fill = egui::Rgba::from_rgb(0.0, 0.5, 0.25);
let bg_fill = egui::lerp(off_bg_fill..=on_bg_fill, how_on);
// All coordinates are in absolute screen coordinates so we use `rect` to place the elements.
let rect = response.rect;
let radius = 0.5 * rect.height();
ui.painter().rect(rect, radius, bg_fill, visuals.bg_stroke);
// Paint the circle, animating it from left to right with `how_on`:
@@ -62,7 +61,7 @@ pub fn toggle(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
#[allow(dead_code)]
fn toggle_compact(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let desired_size = ui.style().spacing.interact_size;
let response = ui.allocate_response(desired_size, egui::Sense::click());
let (rect, response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
*on ^= response.clicked; // toggle if clicked
let how_on = ui.ctx().animate_bool(response.id, *on);
@@ -70,7 +69,6 @@ fn toggle_compact(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let off_bg_fill = egui::Rgba::TRANSPARENT;
let on_bg_fill = egui::Rgba::from_rgb(0.0, 0.5, 0.25);
let bg_fill = egui::lerp(off_bg_fill..=on_bg_fill, how_on);
let rect = response.rect;
let radius = 0.5 * rect.height();
ui.painter().rect(rect, radius, bg_fill, visuals.bg_stroke);
let circle_x = egui::lerp((rect.left() + radius)..=(rect.right() - radius), how_on);