Add back cosmic-panel-button

Author: ids1024

Cargo.lock

@@ -11,6 +11,7 @@ members = [
     "cosmic-applet-power",
     "cosmic-applet-time",
     "cosmic-applet-workspaces",
+    "cosmic-panel-button",
 ]
 
 [profile.release]

Cargo.toml

@@ -2,7 +2,7 @@
 Name=Cosmic Panel App Library Button
 Comment=Write a GTK + Rust application
 Type=Application
-Exec=cosmic-panel-button --id com.system76.CosmicAppLibrary
+Exec=cosmic-panel-button com.system76.CosmicAppLibrary
 Terminal=false
 Categories=GNOME;GTK;
 Keywords=Gnome;GTK;

cosmic-panel-app-button/data/com.system76.CosmicPanelAppButton.desktop

@@ -0,0 +1,9 @@
+[package]
+name = "cosmic-panel-button"
+version = "0.1.0"
+edition = "2021"
+license = "GPL-3.0-or-later"
+
+[dependencies]
+freedesktop-desktop-entry = "0.5.0"
+libcosmic = { git = "https://github.com/pop-os/libcosmic/", branch = "master", default-features = false, features = ["tokio", "wayland", "applet"] }

cosmic-panel-button/Cargo.toml

@@ -0,0 +1,122 @@
+use cosmic::{
+    applet::CosmicAppletHelper,
+    iced::{
+        self,
+        wayland::{InitialSurface, SurfaceIdWrapper},
+        Application,
+    },
+    iced_sctk::layout::Limits,
+    iced_style::application,
+};
+use freedesktop_desktop_entry::DesktopEntry;
+use std::{env, fs, process::Command};
+
+#[derive(Clone, Default)]
+struct Desktop {
+    name: String,
+    icon: Option<String>,
+    exec: String,
+}
+
+struct Button {
+    desktop: Desktop,
+}
+
+#[derive(Debug, Clone)]
+enum Msg {
+    Press,
+}
+
+impl iced::Application for Button {
+    type Message = Msg;
+    type Theme = cosmic::Theme;
+    type Executor = cosmic::SingleThreadExecutor;
+    type Flags = Desktop;
+
+    fn new(desktop: Desktop) -> (Self, iced::Command<Msg>) {
+        (Button { desktop }, iced::Command::none())
+    }
+
+    fn title(&self) -> String {
+        String::from("Button")
+    }
+
+    fn close_requested(&self, _id: SurfaceIdWrapper) -> Msg {
+        unimplemented!()
+    }
+
+    fn style(&self) -> <Self::Theme as application::StyleSheet>::Style {
+        <Self::Theme as application::StyleSheet>::Style::Custom(|theme| application::Appearance {
+            background_color: iced::Color::from_rgba(0.0, 0.0, 0.0, 0.0),
+            text_color: theme.cosmic().on_bg_color().into(),
+        })
+    }
+
+    fn subscription(&self) -> iced::Subscription<Msg> {
+        iced::Subscription::none()
+    }
+
+    fn update(&mut self, message: Msg) -> iced::Command<Msg> {
+        match message {
+            Msg::Press => {
+                let _ = Command::new("sh").arg("-c").arg(&self.desktop.exec).spawn();
+                iced::Command::none()
+            }
+        }
+    }
+
+    fn view(&self, _id: SurfaceIdWrapper) -> cosmic::Element<Msg> {
+        // TODO icon?
+        cosmic::widget::button(cosmic::theme::Button::Text)
+            .text(&self.desktop.name)
+            .on_press(Msg::Press)
+            .into()
+    }
+}
+
+pub fn main() -> iced::Result {
+    let id = env::args()
+        .skip(1)
+        .next()
+        .expect("Requires desktop file id as argument.");
+
+    let filename = format!("{id}.desktop");
+    let mut desktop = None;
+    for mut path in freedesktop_desktop_entry::default_paths() {
+        path.push(&filename);
+        if let Ok(bytes) = fs::read_to_string(&path) {
+            if let Ok(entry) = DesktopEntry::decode(&path, &bytes) {
+                desktop = Some(Desktop {
+                    name: entry
+                        .name(None)
+                        .map(|x| x.to_string())
+                        .expect(&format!("Desktop file '{filename}' doesn't have `Name`")),
+                    icon: entry.icon().map(|x| x.to_string()),
+                    exec: entry
+                        .exec()
+                        .map(|x| x.to_string())
+                        .expect(&format!("Desktop file '{filename}' doesn't have `Exec`")),
+                });
+                break;
+            }
+        }
+    }
+    let desktop = desktop.expect(&format!(
+        "Failed to find valid desktop file '{filename}' in search paths"
+    ));
+    let helper = CosmicAppletHelper::default();
+    let mut settings = iced::Settings {
+        flags: desktop,
+        ..helper.window_settings()
+    };
+    match &mut settings.initial_surface {
+        InitialSurface::XdgWindow(s) => {
+            s.iced_settings.min_size = Some((1, 1));
+            s.iced_settings.max_size = None;
+            s.autosize = true;
+            s.size_limits = Limits::NONE.min_height(1).min_width(1);
+        }
+        _ => unreachable!(),
+    };
+    Button::run(settings)
+}

cosmic-panel-button/src/main.rs

@@ -2,7 +2,7 @@
 Name=Cosmic Panel Workspaces Button
 Comment=Write a GTK + Rust application
 Type=Application
-Exec=cosmic-panel-button -id com.system76.CosmicWorkspaces
+Exec=cosmic-panel-button com.system76.CosmicWorkspaces
 Terminal=false
 Categories=GNOME;GTK;
 Keywords=Gnome;GTK;

cosmic-panel-workspaces-button/data/com.system76.CosmicPanelWorkspacesButton.desktop

@@ -39,12 +39,14 @@ _install_power: (_install 'com.system76.CosmicAppletPower' 'cosmic-applet-power'
 _install_workspace: (_install 'com.system76.CosmicAppletWorkspaces' 'cosmic-applet-workspaces')
 _install_time: (_install 'com.system76.CosmicAppletTime' 'cosmic-applet-time')
 
-# TODO: `cosmic-panel-button` no longer exists and hasn't been ported to Iced
-# _install_app_button: (_install 'com.system76.CosmicPanelAppButton' 'cosmic-panel-app-button')
-# _install_workspaces_button: (_install 'com.system76.CosmicPanelWorkspacesButton' 'cosmic-panel-workspaces-button')
+# TODO: Turn this into one configurable applet?
+_install_panel_button: (_install_bin 'cosmic-panel-button')
+_install_button id name: (_install_icon name + '/data/icons/' + id + '.svg') (_install_desktop name + '/data/' + id + '.desktop')
+_install_app_button: (_install_button 'com.system76.CosmicPanelAppButton' 'cosmic-panel-app-button')
+_install_workspaces_button: (_install_button 'com.system76.CosmicPanelWorkspacesButton' 'cosmic-panel-workspaces-button')
 
 # Installs files into the system
-install: _install_app_list _install_audio _install_battery _install_bluetooth _install_graphics _install_network _install_notifications _install_power _install_workspace _install_time
+install: _install_app_list _install_audio _install_battery _install_bluetooth _install_graphics _install_network _install_notifications _install_power _install_workspace _install_time _install_panel_button _install_app_button _install_workspaces_button
 
 # Extracts vendored dependencies if vendor=1
 _extract_vendor: