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mod label;
mod page;
use label::Label;
use page::Page;
use gtk::{
glib::{uuid_string_random, GString},
prelude::WidgetExt,
GestureClick, Notebook, Widget,
};
use std::{cell::RefCell, collections::HashMap, sync::Arc};
pub struct Tab {
// GTK
widget: Notebook,
// Dynamically allocated reference index
labels: RefCell<HashMap<GString, Arc<Label>>>,
pages: RefCell<HashMap<GString, Arc<Page>>>,
}
impl Tab {
// Construct
pub fn new() -> Self {
Self {
widget: Notebook::builder().scrollable(true).build(),
// Init empty HashMap index as no tabs appended yet
labels: RefCell::new(HashMap::new()),
pages: RefCell::new(HashMap::new()),
}
}
// Actions
pub fn activate(&self, tab: Arc<Self>) {
self.widget.connect_page_removed({
move |_, widget: &Widget, _| {
// Cleanup HashMap index
let id = &widget.widget_name();
tab.labels.borrow_mut().remove(id);
tab.pages.borrow_mut().remove(id);
}
});
}
pub fn append(
&self,
page_navigation_request_text: Option<GString>,
is_current_page: bool,
) -> u32 {
// Generate unique ID for new page components
let id = uuid_string_random();
// Init new tab components
let label = Arc::new(Label::new(id.clone(), false));
let page = Arc::new(Page::new(id.clone(), page_navigation_request_text));
// Register dynamically created tab components in the HashMap index
self.labels.borrow_mut().insert(id.clone(), label.clone());
self.pages.borrow_mut().insert(id.clone(), page.clone());
// Init additional label actions
let controller = GestureClick::new();
controller.connect_pressed({
let label = label.clone();
move |_, n: i32, _, _| {
// double click
if n == 2 {
label.pin(!label.is_pinned()); // toggle
}
}
});
label.widget().add_controller(controller);
// Append new Notebook page
let page_number = self.widget.append_page(page.widget(), Some(label.widget()));
// Additional setup for Notebook tab created
self.widget.set_tab_reorderable(page.widget(), true);
if is_current_page {
self.widget.set_current_page(Some(page_number));
}
// Result
page_number
}
// Close active tab
pub fn close(&self) {
self.widget.remove_page(self.widget.current_page());
}
// Close all tabs
pub fn close_all(&self) {
// @TODO skip pinned or make confirmation alert (GTK>=4.10)
while let Some(page_number) = self.widget.current_page() {
self.widget.remove_page(Some(page_number));
}
}
// Toggle pin status for active tab
pub fn pin(&self) {
// Get current page
if let Some(page_number) = self.widget.current_page() {
// Get default widget to extract it name as the ID for childs
if let Some(widget) = self.widget.nth_page(Some(page_number)) {
// Get label by ID
if let Some(label) = self.labels.borrow().get(&widget.widget_name()) {
label.pin(!label.is_pinned()); // toggle
}
}
}
}
pub fn page_reload(&self) {
// Get current page
if let Some(page_number) = self.widget.current_page() {
// Get default widget to extract it name as the ID for childs
if let Some(widget) = self.widget.nth_page(Some(page_number)) {
// Get page by widget ID
if let Some(page) = self.pages.borrow().get(&widget.widget_name()) {
page.reload();
}
}
}
}
pub fn update(&self) {
// Get current page
if let Some(page_number) = self.widget.current_page() {
// Get default widget to extract it name as the ID for childs
if let Some(widget) = self.widget.nth_page(Some(page_number)) {
// Get widget ID
let id = &widget.widget_name();
// Get page by widget ID
if let Some(page) = self.pages.borrow().get(id) {
page.update();
// Get label by widget ID
if let Some(label) = self.labels.borrow().get(id) {
if let Some(title) = page.title() {
label.update(Some(&title));
} else {
label.update(None);
}
}
}
}
}
}
// Getters
pub fn page_title(&self) -> Option<GString> {
// Get current page
if let Some(page_number) = self.widget.current_page() {
// Get default widget to extract it name as the ID for childs
if let Some(widget) = self.widget.nth_page(Some(page_number)) {
// Get widget ID
let id = &widget.widget_name();
// Get page by widget ID
if let Some(page) = self.pages.borrow().get(id) {
return page.title();
}
}
}
None
}
pub fn page_description(&self) -> Option<GString> {
// Get current page
if let Some(page_number) = self.widget.current_page() {
// Get default widget to extract it name as the ID for childs
if let Some(widget) = self.widget.nth_page(Some(page_number)) {
// Get widget ID
let id = &widget.widget_name();
// Get page by widget ID
if let Some(page) = self.pages.borrow().get(id) {
return page.description();
}
}
}
None
}
pub fn widget(&self) -> &Notebook {
self.widget.as_ref()
}
}