libcosmic/examples/dock/dock_item/mod.rs

132 lines
5.2 KiB
Rust

use crate::utils::BoxedWindowList;
use gdk4::ContentProvider;
use gdk4::Display;
use gio::DesktopAppInfo;
use gio::Icon;
use gio::ListStore;
use gtk4 as gtk;
use gtk4::DragSource;
use gtk4::IconTheme;
mod imp;
use gtk::glib;
use gtk::prelude::*;
use gtk::subclass::prelude::*;
use crate::dock_object::DockObject;
glib::wrapper! {
pub struct DockItem(ObjectSubclass<imp::DockItem>)
@extends gtk::Widget, gtk::Box;
}
impl Default for DockItem {
fn default() -> Self {
Self::new()
}
}
impl DockItem {
pub fn new() -> Self {
let dc = DragSource::builder()
.name("dock drag source")
.actions(gdk4::DragAction::COPY)
.build();
let self_: DockItem = glib::Object::new(&[]).expect("Failed to create DockItem");
self_.add_controller(&dc);
imp::DockItem::from_instance(&self_)
.drag_controller
.set(dc)
.expect("Failed to set dock item");
self_
}
pub fn drag_controller(&self) -> &DragSource {
let imp = imp::DockItem::from_instance(self);
imp.drag_controller
.get()
.expect("Could not get drag_controller")
}
// TODO current method seems very messy...
// refactor to emit event for removing the item?
pub fn set_app_info(&self, app_info: &DockObject, i: u32, saved_app_model: &ListStore) {
let self_ = imp::DockItem::from_instance(self);
if let Ok(app_info_value) = app_info.property("appinfo") {
if let Ok(Some(app_info)) = app_info_value.get::<Option<DesktopAppInfo>>() {
println!("setting app info {}", &app_info.name());
self_.image.set_tooltip_text(Some(&app_info.name()));
let icon = app_info.icon().unwrap_or(
Icon::for_string("image-missing").expect("Failed to set default icon"),
);
self_.image.set_from_gicon(&icon);
if let Some(drag_controller) = self_.drag_controller.get() {
if let Some(file) = app_info.filename() {
let provider =
ContentProvider::for_value(&file.to_string_lossy().to_value());
drag_controller.set_content(Some(&provider));
}
drag_controller.connect_drag_end(move |_self, _drag, delete_data| {
dbg!("removing", delete_data);
});
//TODO investigate rare X11 errors when reordering dock items
drag_controller.connect_drag_cancel(
glib::clone!(@weak saved_app_model => @default-return true, move |_self, _drag, _delete_data| {
dbg!("removing {}", i);
if saved_app_model.n_items() > i {
saved_app_model.remove(i);
}
true
}),
);
drag_controller.connect_drag_end(
glib::clone!(@weak saved_app_model => move |_self, _drag, delete_data| {
dbg!("removing {}", i);
if delete_data && saved_app_model.n_items() > i {
saved_app_model.remove(i);
}
}),
);
let icon = app_info.icon().unwrap_or(
Icon::for_string("image-missing").expect("Failed to set default icon"),
);
drag_controller.connect_drag_begin(
glib::clone!(@weak icon, => move |_self, _drag| {
// set drag source icon if possible...
// gio Icon is not easily converted to a Paintable, but this seems to be the correct method
if let Some(default_display) = &Display::default() {
if let Some(icon_theme) = IconTheme::for_display(default_display) {
if let Some(paintable_icon) = icon_theme.lookup_by_gicon(
&icon,
64,
1,
gtk4::TextDirection::None,
gtk4::IconLookupFlags::empty(),
) {
_self.set_icon(Some(&paintable_icon), 32, 32);
}
}
}
}),
);
}
}
} else {
println!("initializing dock item failed...");
}
if let Ok(active_value) = app_info.property("active") {
if let Ok(active) = active_value.get::<BoxedWindowList>() {
self_.dots.set_text("");
for _ in active.0 {
self_
.dots
.set_text(format!("{}{}", self_.dots.text(), " · ").as_str());
}
}
}
}
}