merge: upstream/libcosmic a l'etat pinne par epoch-1.10.0 (7f715bc5d)

Cible : pin le plus recent des Cargo.lock amont d'epoch-1.10.0 (cosmic-osk,
cosmic-viewer), pas master. Apporte la politique de selection du GPU
(src/desktop/gpu.rs) et le correctif de double peinture des items de menu.
Sous-module iced : merge de a31e6c6f8.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,8 +1,10 @@
-- [ ] I have disclosed use of any AI generated code in my commit messages.
-  - If you are using an LLM, and do not fully understand the changes it is making to the code base, do not create a PR.
-  - In our experience, AI generated code often results in overly complex code that lacks enough context for a proper fix or feature inclusion. This results in considerably longer code reviews. Due to this, AI authored or partially authored PRs may be closed without comment.
-- [ ] I understand these changes in full and will be able to respond to review comments.
-- [ ] My change is accurately described in the commit message.
-- [ ] My contribution is tested and working as described.
-- [ ] I have read the [Developer Certificate of Origin](https://developercertificate.org/) and certify my contribution under its conditions.
+Replace this text with a description of your changes, and why these changes are important. Read and acknowledge the list below. PRs without a completed checkbox will be closed.
 
+---
+
+- I have not included any LLM (also known as AI) generated content in this PR, including code, comments, and descriptions.
+- I understand these changes in full and will be able to respond to review comments.
+- My change is accurately described in the commit message.
+- My contribution is tested and working as described.
+- I have read the [Developer Certificate of Origin](https://developercertificate.org/) and certify my contribution under its conditions.
+- [ ] I have read and followed all of the above requirements. For more information, see our [contributor guide](https://github.com/pop-os/pop/blob/master/CONTRIBUTING.md).

.github/workflows/require-checklist.yml

@@ -0,0 +1,14 @@
+# From https://github.com/mheap/require-checklist-action, license MIT
+name: Require Checklist
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize]
+
+jobs:
+  job1:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: mheap/require-checklist-action@v2
+        with:
+          requireChecklist: true

i18n/zh-Hant/libcosmic_yoda.ftl

@@ -12,13 +12,13 @@ thursday = 星期四
 friday = 星期五
 saturday = 星期六
 sunday = 星期日
-mon = 週一
-tue = 週二
-wed = 週三
-thu = 週四
-fri = 週五
-sat = 週六
-sun = 週日
+mon = 星期一
+tue = 星期二
+wed = 星期三
+thu = 星期四
+fri = 星期五
+sat = 星期六
+sun = 星期日
 license = 授權
 links = 連結
 february = { $year } 年 2 月

iced

@@ -1 +1 @@
-Subproject commit 24da1dc0e4e5c1b7f803bf8584d10939fe5acdec
+Subproject commit f8ac890b9c0d52842a6434f4674e603ed7e67687

src/desktop.rs

@@ -1,6 +1,8 @@
 #[cfg(not(windows))]
 pub use freedesktop_desktop_entry as fde;
 #[cfg(not(windows))]
+pub mod gpu;
+#[cfg(not(windows))]
 pub use mime::Mime;
 use std::path::{Path, PathBuf};
 #[cfg(not(windows))]

src/desktop/gpu.rs

@@ -0,0 +1,56 @@
+// Copyright 2026 System76 <info@system76.com>
+// SPDX-License-Identifier: MPL-2.0
+
+use std::collections::HashMap;
+
+/// An available GPU that can be selected by a launcher.
+#[derive(Debug, Clone)]
+pub struct Descriptor {
+    pub name: String,
+    pub environment: HashMap<String, String>,
+    pub default: bool,
+    pub discrete: bool,
+}
+
+/// A preference to use when choosing a GPU to launch with.
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
+pub enum Preference {
+    #[default]
+    Default,
+    NonDefault,
+}
+
+impl Preference {
+    /// Find the preferred default GPU for this preference.
+    pub fn preferred(self, gpus: &[Descriptor]) -> Option<usize> {
+        let default_idx = gpus.iter().position(|gpu| gpu.default);
+        if matches!(self, Preference::Default) {
+            return default_idx;
+        }
+
+        let default_discrete = gpus.iter().position(|gpu| gpu.default && gpu.discrete);
+        if default_discrete.is_some() {
+            return default_discrete;
+        }
+
+        let non_default_discrete = gpus.iter().position(|gpu| gpu.discrete);
+        let non_default = || gpus.iter().position(|gpu| !gpu.default);
+        non_default_discrete.or_else(non_default).or(default_idx)
+    }
+
+    /// Select the GPU override to launch with.
+    pub fn select(self, gpus: &[Descriptor]) -> Option<usize> {
+        if matches!(self, Preference::Default) {
+            return None;
+        }
+
+        let default_discrete = gpus.iter().position(|gpu| gpu.default && gpu.discrete);
+        if default_discrete.is_some() {
+            return None;
+        }
+
+        let non_default_discrete = gpus.iter().position(|gpu| gpu.discrete);
+        let non_default = || gpus.iter().position(|gpu| !gpu.default);
+        non_default_discrete.or_else(non_default)
+    }
+}

src/theme/style/button.rs

@@ -38,6 +38,10 @@ pub enum Button {
     Transparent,
 }
 
+fn menu_item_background(component: &Component, background: Color) -> Option<Background> {
+    (background != Color::from(component.base)).then_some(Background::Color(background))
+}
+
 pub fn appearance(
     theme: &crate::Theme,
     focused: bool,
@@ -149,7 +153,7 @@ pub fn appearance(
             // Menu folders cannot be disabled, ignore customized icon and text color
             let component = &cosmic.background(theme.transparent).component;
             let (background, _, _) = color(component);
-            appearance.background = Some(Background::Color(background));
+            appearance.background = menu_item_background(component, background);
             appearance.icon_color = Some(component.on.into());
             appearance.text_color = Some(component.on.into());
             corner_radii = &cosmic.corner_radii.radius_s;
@@ -171,8 +175,9 @@ pub fn appearance(
             }
         }
         Button::MenuItem => {
-            let (background, text, icon) = color(&cosmic.background(theme.transparent).component);
-            appearance.background = Some(Background::Color(background));
+            let component = &cosmic.background(theme.transparent).component;
+            let (background, text, icon) = color(component);
+            appearance.background = menu_item_background(component, background);
             appearance.icon_color = icon;
             appearance.text_color = text;
             corner_radii = &cosmic.corner_radii.radius_s;