89 lines
3.4 KiB
Rust
89 lines
3.4 KiB
Rust
use crate::app::{state::UnsavedAction, TextEditor};
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use eframe::egui::{self, Frame};
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pub(crate) fn tab_bar(app: &mut TextEditor, ctx: &egui::Context) {
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let frame = Frame::NONE.fill(ctx.style().visuals.panel_fill);
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let response = egui::TopBottomPanel::top("tab_bar")
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.frame(frame)
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.show(ctx, |ui| {
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ui.horizontal(|ui| {
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let mut tab_to_close_unmodified = None;
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let mut tab_to_close_modified = None;
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let mut tab_to_switch = None;
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let mut add_new_tab = false;
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let tabs_len = app.tabs.len();
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let active_tab_index = app.active_tab_index;
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let tabs_info: Vec<(String, bool)> = app
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.tabs
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.iter()
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.map(|tab| (tab.get_display_title(), tab.is_modified))
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.collect();
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for (i, (title, is_modified)) in tabs_info.iter().enumerate() {
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let is_active = i == active_tab_index;
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let mut label_text = if is_active {
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egui::RichText::new(title).strong()
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} else {
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egui::RichText::new(title).color(ui.visuals().weak_text_color())
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};
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if *is_modified {
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label_text = label_text.italics();
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}
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let tab_response =
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ui.add(egui::Label::new(label_text).sense(egui::Sense::click()));
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if tab_response.clicked() {
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tab_to_switch = Some(i);
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}
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if tabs_len > 1 {
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let visuals = ui.visuals();
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let close_button = egui::Button::new("×")
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.small()
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.fill(visuals.panel_fill)
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.stroke(egui::Stroke::new(0.0, egui::Color32::from_rgb(0, 0, 0)));
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let close_response = ui.add(close_button);
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if close_response.clicked() {
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if *is_modified {
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tab_to_close_modified = Some(i);
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} else {
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tab_to_close_unmodified = Some(i);
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}
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}
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}
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ui.separator();
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}
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let visuals = ui.visuals();
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let add_button = egui::Button::new("+")
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.small()
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.fill(visuals.panel_fill)
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.stroke(egui::Stroke::new(0.0, egui::Color32::from_rgb(0, 0, 0)));
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if ui.add(add_button).clicked() {
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add_new_tab = true;
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}
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if let Some(tab_index) = tab_to_switch {
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app.switch_to_tab(tab_index);
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}
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if let Some(tab_index) = tab_to_close_unmodified {
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app.close_tab(tab_index);
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}
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if let Some(tab_index) = tab_to_close_modified {
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app.switch_to_tab(tab_index);
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app.pending_unsaved_action = Some(UnsavedAction::CloseTab(tab_index));
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}
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if add_new_tab {
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app.add_new_tab();
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}
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});
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});
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app.tab_bar_rect = Some(response.response.rect);
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}
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