migrations/egui
1
0
Fork 0
mirror of https://github.com/emilk/egui.git synced 2026-08-30 13:20:05 -04:00
Code Activity

Output events when widgets gain keyboard focus

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

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();

24
egui_demo_lib/src/wrap_app.rs
View File

@@ -117,6 +117,7 @@ impl epi::App for WrapApp {
});
self.backend_panel.update(ctx, frame);
if self.backend_panel.open || ctx.memory().everything_is_visible() {
egui::SidePanel::left("backend_panel", 150.0).show(ctx, |ui| {
self.backend_panel.ui(ui, frame);
@@ -128,6 +129,8 @@ impl epi::App for WrapApp {
app.update(ctx, frame);
}
}
self.backend_panel.end_of_frame(ctx);
}
}
@@ -216,6 +219,9 @@ struct BackendPanel {
#[cfg_attr(feature = "persistence", serde(skip))]
frame_history: crate::frame_history::FrameHistory,
#[cfg_attr(feature = "persistence", serde(skip))]
output_event_history: std::collections::VecDeque<egui::OutputEvent>,
}
impl Default for BackendPanel {
@@ -227,6 +233,7 @@ impl Default for BackendPanel {
max_size_points_ui: egui::Vec2::new(1024.0, 2048.0),
max_size_points_active: egui::Vec2::new(1024.0, 2048.0),
frame_history: Default::default(),
output_event_history: Default::default(),
}
}
}
@@ -242,6 +249,15 @@ impl BackendPanel {
}
}
fn end_of_frame(&mut self, ctx: &egui::CtxRef) {
for event in &ctx.output().events {
self.output_event_history.push_back(event.clone());
}
while self.output_event_history.len() > 10 {
self.output_event_history.pop_front();
}
}
fn ui(&mut self, ui: &mut egui::Ui, frame: &mut epi::Frame<'_>) {
ui.heading("💻 Backend");
@@ -298,6 +314,14 @@ impl BackendPanel {
frame.quit();
}
}
ui.collapsing("Output events", |ui| {
ui.set_max_width(350.0);
ui.label("Recent output events from egui:");
for event in &self.output_event_history {
ui.monospace(format!("{:?}", event));
}
});
}
fn pixels_per_point_ui(