128 lines
3.5 KiB
Rust
128 lines
3.5 KiB
Rust
use cosmic_panel_config::CosmicPanelConfig;
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use gtk4::{glib, prelude::*, subclass::prelude::*};
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use relm4_macros::view;
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mod deref_cell;
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use deref_cell::DerefCell;
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// TODO make sure style fits different panel colors?
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// TODO abstraction to start main loop? Work with relm4.
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// TODO gir bindings
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// TODO orientation, etc.
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// TODO make image size dependent on CosmicPanelConfig?
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// TODO way to have multiple applets with this style, for system tray.
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static STYLE: &str = "
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window.cosmic_applet_window {
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background: transparent;
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}
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button.cosmic_applet_button {
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border-radius: 12px;
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transition: 100ms;
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padding: 4px;
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border-color: transparent;
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background: transparent;
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outline-color: transparent;
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}
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";
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#[derive(Default)]
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pub struct AppletInner {
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panel_config: DerefCell<CosmicPanelConfig>,
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menu_button: DerefCell<gtk4::MenuButton>,
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popover: DerefCell<gtk4::Popover>,
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}
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#[glib::object_subclass]
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impl ObjectSubclass for AppletInner {
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const NAME: &'static str = "CosmicApplet";
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type Type = Applet;
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type ParentType = gtk4::Window;
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}
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impl ObjectImpl for AppletInner {
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fn constructed(&self, obj: &Applet) {
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let window = || obj;
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view! {
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window() {
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add_css_class: "cosmic_applet_window",
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set_decorated: false,
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set_resizable: false,
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set_width_request: 1,
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set_height_request: 1,
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#[wrap(Some)]
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set_child: menu_button = >k4::MenuButton {
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add_css_class: "cosmic_applet_button",
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set_has_frame: false,
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#[wrap(Some)]
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set_popover: popover = >k4::Popover {
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// TODO: change if it can be positioned correctly?
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set_has_arrow: false,
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}
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}
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}
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}
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let provider = gtk4::CssProvider::new();
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provider.load_from_data(STYLE.as_bytes());
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obj.style_context()
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.add_provider(&provider, gtk4::STYLE_PROVIDER_PRIORITY_APPLICATION);
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self.menu_button.set(menu_button);
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self.popover.set(popover);
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self.panel_config
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.set(CosmicPanelConfig::load_from_env().unwrap_or_default());
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}
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}
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impl WidgetImpl for AppletInner {}
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impl WindowImpl for AppletInner {}
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glib::wrapper! {
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pub struct Applet(ObjectSubclass<AppletInner>)
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@extends gtk4::Widget, gtk4::Window;
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}
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impl Default for Applet {
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fn default() -> Self {
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Self::new()
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}
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}
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impl Applet {
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pub fn new() -> Self {
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glib::Object::new(&[]).unwrap()
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}
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fn inner(&self) -> &AppletInner {
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AppletInner::from_instance(self)
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}
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pub fn panel_config(&self) -> &CosmicPanelConfig {
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&*self.inner().panel_config
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}
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pub fn set_button_child(&self, child: Option<&impl IsA<gtk4::Widget>>) {
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self.inner().menu_button.set_child(child);
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}
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pub fn set_button_icon_name(&self, name: &str) {
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let image = gtk4::Image::from_icon_name(name);
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image.set_pixel_size(
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self.panel_config()
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.get_applet_icon_size()
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.try_into()
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.unwrap(),
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); // XXX unwrap
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self.set_button_child(Some(&image));
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}
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pub fn set_button_label(&self, label: &str) {
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self.inner().menu_button.set_label(label);
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}
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pub fn set_popover_child(&self, child: Option<&impl IsA<gtk4::Widget>>) {
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self.inner().popover.set_child(child);
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}
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}
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