feat: ability to configure image icon sizes

Adds `icon_size` option to following widgets:

- `clipboard`
- `launcher`
- `music`
- `workspaces`

Also adds `cover_image_size` option to `music`.

src/modules/launcher/item.rs

@@ -136,27 +136,34 @@ pub struct ItemButton {
     pub menu_state: Rc<RwLock<MenuState>>,
 }
 
+#[derive(Clone, Copy)]
+pub struct AppearanceOptions {
+    pub show_names: bool,
+    pub show_icons: bool,
+    pub icon_size: i32,
+}
+
 impl ItemButton {
     pub fn new(
         item: &Item,
-        show_names: bool,
-        show_icons: bool,
-        orientation: Orientation,
+        appearance: AppearanceOptions,
         icon_theme: &IconTheme,
+        orientation: Orientation,
         tx: &Sender<ModuleUpdateEvent<LauncherUpdate>>,
         controller_tx: &Sender<ItemEvent>,
     ) -> Self {
         let mut button = Button::builder();
 
-        if show_names {
+        if appearance.show_names {
             button = button.label(&item.name);
         }
 
         let button = button.build();
 
-        if show_icons {
+        if appearance.show_icons {
             let gtk_image = gtk::Image::new();
-            let image = ImageProvider::parse(&item.app_id.clone(), icon_theme, 32);
+            let image =
+                ImageProvider::parse(&item.app_id.clone(), icon_theme, appearance.icon_size);
             match image {
                 Ok(image) => {
                     button.set_image(Some(&gtk_image));
@@ -217,7 +224,7 @@ impl ItemButton {
 
                     try_send!(
                         tx,
-                        ModuleUpdateEvent::OpenPopup(Popup::widget_geometry(button, orientation,))
+                        ModuleUpdateEvent::OpenPopup(Popup::widget_geometry(button, orientation))
                     );
                 } else {
                     try_send!(tx, ModuleUpdateEvent::ClosePopup);
@@ -232,7 +239,7 @@ impl ItemButton {
         Self {
             button,
             persistent: item.favorite,
-            show_names,
+            show_names: appearance.show_names,
             menu_state,
         }
     }

src/modules/launcher/mod.rs

@@ -6,6 +6,7 @@ use self::open_state::OpenState;
 use crate::clients::wayland::{self, ToplevelChange};
 use crate::config::CommonConfig;
 use crate::desktop_file::find_desktop_file;
+use crate::modules::launcher::item::AppearanceOptions;
 use crate::modules::{Module, ModuleInfo, ModuleUpdateEvent, ModuleWidget, WidgetContext};
 use crate::{lock, read_lock, try_send, write_lock};
 use color_eyre::{Help, Report};
@@ -33,10 +34,17 @@ pub struct LauncherModule {
     #[serde(default = "crate::config::default_true")]
     show_icons: bool,
 
+    #[serde(default = "default_icon_size")]
+    icon_size: i32,
+
     #[serde(flatten)]
     pub common: Option<CommonConfig>,
 }
 
+const fn default_icon_size() -> i32 {
+    32
+}
+
 #[derive(Debug, Clone)]
 pub enum LauncherUpdate {
     /// Adds item
@@ -318,8 +326,13 @@ impl Module<gtk::Box> for LauncherModule {
 
             let controller_tx = context.controller_tx.clone();
 
+            let appearance_options = AppearanceOptions {
+                show_names: self.show_names,
+                show_icons: self.show_icons,
+                icon_size: self.icon_size,
+            };
+
             let show_names = self.show_names;
-            let show_icons = self.show_icons;
             let orientation = info.bar_position.get_orientation();
 
             let mut buttons = IndexMap::<String, ItemButton>::new();
@@ -334,10 +347,9 @@ impl Module<gtk::Box> for LauncherModule {
                         } else {
                             let button = ItemButton::new(
                                 &item,
-                                show_names,
-                                show_icons,
-                                orientation,
+                                appearance_options,
                                 &icon_theme,
+                                orientation,
                                 &context.tx,
                                 &controller_tx,
                             );