migrations/egui
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Output events when widgets gain keyboard focus

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Part of https://github.com/emilk/egui/issues/167
This commit is contained in:
Emil Ernerfeldt
2021-03-07 19:32:27 +01:00
parent a370339db7
commit cd4c07e09a
15 changed files with 140 additions and 12 deletions
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22
egui_demo_lib/src/apps/demo/tests.rs
View File

@@ -93,8 +93,7 @@ impl super::Demo for ManualLayoutTest {
impl super::View for ManualLayoutTest {
fn ui(&mut self, ui: &mut egui::Ui) {
use egui::*;
reset_button(ui, self);
egui::reset_button(ui, self);
let Self {
widget_offset,
widget_size,
@@ -107,29 +106,30 @@ impl super::View for ManualLayoutTest {
ui.radio_value(widget_type, WidgetType::Label, "Label");
ui.radio_value(widget_type, WidgetType::TextEdit, "TextEdit");
});
Grid::new("pos_size").show(ui, |ui| {
egui::Grid::new("pos_size").show(ui, |ui| {
ui.label("Widget position:");
ui.add(Slider::f32(&mut widget_offset.x, 0.0..=400.0));
ui.add(Slider::f32(&mut widget_offset.y, 0.0..=400.0));
ui.add(egui::Slider::f32(&mut widget_offset.x, 0.0..=400.0));
ui.add(egui::Slider::f32(&mut widget_offset.y, 0.0..=400.0));
ui.end_row();
ui.label("Widget size:");
ui.add(Slider::f32(&mut widget_size.x, 0.0..=400.0));
ui.add(Slider::f32(&mut widget_size.y, 0.0..=400.0));
ui.add(egui::Slider::f32(&mut widget_size.x, 0.0..=400.0));
ui.add(egui::Slider::f32(&mut widget_size.y, 0.0..=400.0));
ui.end_row();
});
let widget_rect = Rect::from_min_size(ui.min_rect().min + *widget_offset, *widget_size);
let widget_rect =
egui::Rect::from_min_size(ui.min_rect().min + *widget_offset, *widget_size);
// Showing how to place a widget anywhere in the `Ui`:
match *widget_type {
WidgetType::Button => {
ui.put(widget_rect, Button::new("Example button"));
ui.put(widget_rect, egui::Button::new("Example button"));
}
WidgetType::Label => {
ui.put(widget_rect, Label::new("Example label"));
ui.put(widget_rect, egui::Label::new("Example label"));
}
WidgetType::TextEdit => {
ui.put(widget_rect, TextEdit::multiline(text_edit_contents));
ui.put(widget_rect, egui::TextEdit::multiline(text_edit_contents));
}
}
}

9
egui_demo_lib/src/apps/demo/toggle_switch.rs
View File

@@ -30,6 +30,11 @@ pub fn toggle_ui(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
// 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, mut response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
if response.gained_kb_focus() {
// Inform accessibility systems that the widget is selected:
ui.output()
.push_gained_focus_event(egui::WidgetType::Checkbox, "");
}
// 3. Interact: Time to check for clicks!
if response.clicked() {
@@ -67,6 +72,10 @@ pub fn toggle_ui(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
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, mut response) = ui.allocate_exact_size(desired_size, egui::Sense::click());
if response.gained_kb_focus() {
ui.output()
.push_gained_focus_event(egui::WidgetType::Checkbox, "");
}
if response.clicked() {
*on = !*on;
response.mark_changed();