migrations/egui
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You can mandate that all leaves have tabs

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This commit is contained in:
Emil Ernerfeldt
2023-04-24 22:37:04 +02:00
parent 0617b7d26d
commit 32be36416c
2 changed files with 102 additions and 31 deletions
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71
examples/dock/src/main.rs
View File

@@ -29,9 +29,11 @@ impl View {
pub fn ui(&mut self, ui: &mut egui::Ui) -> dock::UiResponse {
ui.painter().rect_filled(ui.max_rect(), 0.0, self.color);
ui.label(&self.title);
let dragged = ui
.add(egui::Button::new("Drag me to drag view").sense(egui::Sense::drag()))
.add(
egui::Button::new(format!("Contents of {}. Drag me!", self.title))
.sense(egui::Sense::drag()),
)
.on_hover_cursor(egui::CursorIcon::Grab)
.dragged();
if dragged {
@@ -42,8 +44,33 @@ impl View {
}
}
#[derive(Default)]
struct DockBehavior {
simplification_options: dock::SimplificationOptions,
}
impl dock::Behavior<View> for DockBehavior {
fn leaf_ui(
&mut self,
ui: &mut egui::Ui,
_node_id: dock::NodeId,
view: &mut View,
) -> dock::UiResponse {
view.ui(ui)
}
fn tab_text_for_leaf(&mut self, view: &View) -> egui::WidgetText {
view.title.clone().into()
}
fn simplification_options(&self) -> dock::SimplificationOptions {
self.simplification_options
}
}
struct MyApp {
dock: dock::Dock<View>,
behavior: DockBehavior,
}
impl Default for MyApp {
@@ -66,32 +93,43 @@ impl Default for MyApp {
let tab2 = {
let a = nodes.insert_leaf(gen_view());
let b = nodes.insert_leaf(gen_view());
nodes.insert_horizontal_node(vec![a, b])
let c = nodes.insert_leaf(gen_view());
let d = nodes.insert_leaf(gen_view());
let e = nodes.insert_leaf(gen_view());
nodes.insert_horizontal_node(vec![a, b, c, d, e])
};
let root = nodes.insert_tab_node(vec![tab0, tab1, tab2]);
let dock = dock::Dock::new(root, nodes);
Self { dock }
Self {
dock,
behavior: Default::default(),
}
}
}
impl eframe::App for MyApp {
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
let mut behavior = DockBehavior {};
egui::SidePanel::left("tree").show(ctx, |ui| {
if ui.button("Reset").clicked() {
*self = Default::default();
}
ui.checkbox(
&mut self
.behavior
.simplification_options
.all_leaves_must_have_tabs,
"All views have tabs",
);
ui.separator();
tree_ui(ui, &mut behavior, &self.dock.nodes, self.dock.root);
tree_ui(ui, &mut self.behavior, &self.dock.nodes, self.dock.root);
});
egui::CentralPanel::default().show(ctx, |ui| {
self.dock.ui(&mut behavior, ui);
self.dock.ui(&mut self.behavior, ui);
});
}
}
@@ -136,20 +174,3 @@ fn tree_ui(
}
});
}
struct DockBehavior {}
impl dock::Behavior<View> for DockBehavior {
fn leaf_ui(
&mut self,
ui: &mut egui::Ui,
_node_id: dock::NodeId,
view: &mut View,
) -> dock::UiResponse {
view.ui(ui)
}
fn tab_text_for_leaf(&mut self, view: &View) -> egui::WidgetText {
view.title.clone().into()
}
}