migrations/egui
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Add Response::changed(): see if e.g. text was entered or slider dragged

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This commit is contained in:
Emil Ernerfeldt
2021-02-28 17:17:37 +01:00
parent a859b2a26e
commit d3fd51d6a4
10 changed files with 83 additions and 17 deletions
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12
egui_demo_lib/src/apps/demo/toggle_switch.rs
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@@ -29,11 +29,12 @@ pub fn toggle_ui(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 (rect, response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
let (rect, mut response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
// 3. Interact: Time to check for clicks!.
// 3. Interact: Time to check for clicks!
if response.clicked() {
*on = !*on;
response.mark_changed(); // report back that the value changed
}
// 4. Paint!
@@ -65,8 +66,11 @@ pub fn toggle_ui(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
#[allow(dead_code)]
fn toggle_ui_compact(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let desired_size = ui.spacing().interact_size.y * egui::vec2(2.0, 1.0);
let (rect, response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
*on ^= response.clicked(); // toggle if clicked
let (rect, mut response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
if response.clicked() {
*on = !*on;
response.mark_changed();
}
let how_on = ui.ctx().animate_bool(response.id, *on);
let visuals = ui.style().interact_selectable(&response, *on);