init

2026-07-09 02:59:53 +03:00
commit 7ace048d94
817 changed files with 234289 additions and 0 deletions
@@ -0,0 +1,152 @@
+//! Header actions, add-tab menus, and tab markers:
+//! `cargo run --example 3_header_features`
+
+use eframe::egui;
+use grimdock::{
+    AddTabEntry, HeaderVisibility, OpenBehavior, PanelContext, PanelStyle, PanelTree,
+    PersistedNode, Tab,
+};
+
+fn main() -> eframe::Result<()> {
+    let options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default()
+            .with_title("grimdock 3_header_features")
+            .with_inner_size([960.0, 540.0]),
+        ..Default::default()
+    };
+
+    eframe::run_native(
+        "grimdock 3_header_features",
+        options,
+        Box::new(|_cc| Ok(Box::new(App::new()))),
+    )
+}
+
+#[derive(Clone, PartialEq, Eq, Debug)]
+enum TabId {
+    Notes,
+    Search,
+    Problems,
+    Terminal,
+    Output,
+}
+
+struct App {
+    tree: PanelTree<TabId>,
+    style: PanelStyle,
+    hide_headers: bool,
+}
+
+impl App {
+    fn new() -> Self {
+        Self {
+            tree: PanelTree::new(vec![
+                Tab::new("notes", TabId::Notes)
+                    .with_leading_visual(">")
+                    .with_closable(true),
+                Tab::new("search", TabId::Search)
+                    .with_leading_visual("?")
+                    .with_closable(true),
+                Tab::new("problems", TabId::Problems)
+                    .with_leading_visual("x")
+                    .with_closable(true),
+            ]),
+            style: PanelStyle::default(),
+            hide_headers: false,
+        }
+    }
+
+    fn sync_header_visibility(&mut self) {
+        let header_visibility = if self.hide_headers {
+            HeaderVisibility::Hidden
+        } else {
+            HeaderVisibility::Always
+        };
+
+        let pane_ids = self
+            .tree
+            .to_persisted()
+            .nodes
+            .into_iter()
+            .filter_map(|node| match node {
+                PersistedNode::Leaf { pane, .. } => Some(pane),
+                _ => None,
+            })
+            .collect::<Vec<_>>();
+
+        for pane_id in pane_ids {
+            if let Some(mut pane) = self.tree.pane_mut(pane_id) {
+                let mut options = pane.options();
+                options.header_visibility = header_visibility;
+                pane.set_options(options);
+            }
+        }
+    }
+}
+
+impl eframe::App for App {
+    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+        self.sync_header_visibility();
+
+        egui::CentralPanel::default()
+            .frame(egui::Frame::NONE)
+            .show(ctx, |ui| {
+                ui.checkbox(&mut self.hide_headers, "Hide pane headers");
+                ui.separator();
+
+                let output = PanelContext::new(ui, &mut self.tree, &self.style)
+                    .with_add_tab_provider(&|pane_id, tree| {
+                        let mut entries = vec![
+                            AddTabEntry::new(
+                                "Output",
+                                Tab::new("output", TabId::Output)
+                                    .with_leading_visual("!")
+                                    .with_closable(true),
+                            ),
+                        ];
+
+                        if tree.find_pane_containing(&TabId::Notes) == Some(pane_id) {
+                            entries.push(
+                                AddTabEntry::new(
+                                    "Terminal",
+                                    Tab::new("terminal", TabId::Terminal)
+                                        .with_leading_visual("$")
+                                        .with_closable(true),
+                                )
+                                .with_open_behavior(OpenBehavior::FocusExisting),
+                            );
+                        }
+
+                        entries
+                    })
+                    .show(|ui, tab_id| match tab_id {
+                        TabId::Notes => {
+                            ui.heading("Notes");
+                            ui.label("This pane gets both Output and Terminal in its + menu.");
+                            ui.label("Right-click a tab for Close / Close others / Split actions.");
+                        }
+                        TabId::Search => {
+                            ui.heading("Search");
+                            ui.text_edit_singleline(&mut String::new());
+                        }
+                        TabId::Problems => {
+                            ui.heading("Problems");
+                            ui.label("No problems detected.");
+                        }
+                        TabId::Terminal => {
+                            ui.heading("Terminal");
+                            ui.label("$ cargo run");
+                        }
+                        TabId::Output => {
+                            ui.heading("Output");
+                            ui.label("[INFO] pane-specific add menus are enabled");
+                        }
+                    });
+
+                if !output.closed_tabs.is_empty() {
+                    ui.separator();
+                    ui.label(format!("Closed this frame: {:?}", output.closed_tabs));
+                }
+            });
+    }
+}