Janitor: Remove trailing whitespaces from all files

`git grep -I -l -O'sed -i "s/[[:space:]]*$//"' -e ''`

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -24,8 +24,8 @@ body:
       Be as detailed as possible:
       - What problem does this feature solve, or what use case does it address?
       - How would this feature improve your workflow or product?
-      
-      Feel free to add code sample. You can format it in markdown within ```` ```slint ```` tags.   
+
+      Feel free to add code sample. You can format it in markdown within ```` ```slint ```` tags.
   validations:
     required: true
 

.github/dependabot.yml

@@ -18,7 +18,7 @@ updates:
           - "*"  # Group all Actions updates into a single larger pull request
     ignore:
       - dependency-name: "lukka/run-cmake"
-    
+
 
   - package-ecosystem: "npm" # See documentation for possible values
     open-pull-requests-limit: 20

.github/workflows/autofix.yaml

@@ -37,9 +37,9 @@ jobs:
                   components: rustfmt
                   target: aarch64-linux-android
             - name: Install wasm-pack
-              run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh    
+              run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
             - name: Setup Biome CLI
-              uses: biomejs/setup-biome@v2                  
+              uses: biomejs/setup-biome@v2
             - name: Rust format
               run: cargo fmt --
             - name: C++ format
@@ -69,4 +69,4 @@ jobs:
             - run: sudo apt-get install pipx
             - run: pipx install reuse
             - name: Check reuse compliance
-              run: cargo xtask check_reuse_compliance    
+              run: cargo xtask check_reuse_compliance

.github/workflows/cpp_package.yaml

@@ -58,7 +58,7 @@ jobs:
             - name: Prepare licenses
               run: bash -x ../../scripts/prepare_binary_package.sh ${{ runner.workspace }}/cppbuild
               working-directory: api/cpp/
-            # Pin Python version until https://github.com/slint-ui/slint/issues/6615 is fixed.   
+            # Pin Python version until https://github.com/slint-ui/slint/issues/6615 is fixed.
             - uses: actions/setup-python@v5
               with:
                 python-version: '3.12'
@@ -215,7 +215,7 @@ jobs:
               run: cmake -B build -S . -GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.cmake_system_processor }} -DRust_CARGO_TARGET=${{ matrix.rust_target}} -DCMAKE_C_COMPILER=${{ matrix.gcc_target }}-gcc -DCMAKE_CXX_COMPILER=${{ matrix.gcc_target }}-g++  -DSLINT_COMPILER=download ${{ env.SLINT_BINARY_FEATURES }} ${{ inputs.extra_cmake_flags }}
             - name: CMake build
               run: cmake --build build --parallel
-            - name: CMake package                                      
+            - name: CMake package
               working-directory: build
               run: cpack -G TGZ
             - name: "Upload C++ packages"

.github/workflows/nightly_snapshot.yaml

@@ -466,7 +466,7 @@ jobs:
               if: github.event.inputs.release == 'true'
               working-directory: www-releases/releases
               run: cat versions.json
-      
+
             - name: Update version in versions.json
               if: github.event.inputs.release == 'true'
               working-directory: www-releases/releases

.github/workflows/publish_npm_package.yaml

@@ -86,8 +86,8 @@ jobs:
                   target: ${{ matrix.rust-target }}
             - name: Upgrade LLVM for Skia build on Windows
               if: runner.os == 'Windows'
-              run: choco upgrade llvm 
-            # Pin Python version until https://github.com/slint-ui/slint/issues/6615 is fixed.   
+              run: choco upgrade llvm
+            # Pin Python version until https://github.com/slint-ui/slint/issues/6615 is fixed.
             - uses: actions/setup-python@v5
               with:
                 python-version: '3.12'

.github/workflows/tree_sitter.yaml

@@ -9,7 +9,7 @@ on:
         inputs:
             tag:
                 type: string
-                description: tree sitter release tag to use            
+                description: tree sitter release tag to use
             latest:
                 type: boolean
                 description: Use the latest tree-sitter release

.github/workflows/upload_pypi.yaml

@@ -41,7 +41,7 @@ jobs:
         steps:
             - uses: actions/checkout@v4
             - uses: ./.github/actions/install-linux-dependencies
-              if: runner.os == 'Linux'              
+              if: runner.os == 'Linux'
             - uses: actions/setup-python@v5
               with:
                 python-version: '3.10'
@@ -52,7 +52,7 @@ jobs:
                 perl -pi -e 's,^default =.*,,' Cargo.toml
                 perl -pi -e 's,# binaries:,,' Cargo.toml
                 echo "New defaults:"
-                grep "^\s*default =" Cargo.toml  
+                grep "^\s*default =" Cargo.toml
             - name: Build a binary wheel
               uses: PyO3/maturin-action@v1
               with:
@@ -64,7 +64,7 @@ jobs:
               uses: actions/upload-artifact@v4
               with:
                 name: python-package-distributions-${{ matrix.platform.runner }}-${{ strategy.job-index }}
-                path: api/python/wheelhouse/*.whl             
+                path: api/python/wheelhouse/*.whl
 
     build_source_package:
         name: Build source package
@@ -88,7 +88,7 @@ jobs:
             - uses: actions/upload-artifact@v4
               with:
                 name: python-package-distributions-source
-                path: api/python/dist/*.tar.gz                
+                path: api/python/dist/*.tar.gz
 
     publish-to-test-pypi:
         if: ${{ github.event.inputs.release != 'true' }}
@@ -100,13 +100,13 @@ jobs:
             name: testpypi
             url: https://test.pypi.org/p/slint
         permissions:
-            id-token: write  # IMPORTANT: mandatory for trusted publishing                
+            id-token: write  # IMPORTANT: mandatory for trusted publishing
         steps:
             - uses: actions/download-artifact@v4
-              with:              
+              with:
                 pattern: python-package-distributions-*
                 path: dist
-                merge-multiple: true            
+                merge-multiple: true
             - name: Publish distribution 📦 to Test PyPI
               uses: pypa/gh-action-pypi-publish@release/v1
               with:
@@ -122,13 +122,13 @@ jobs:
           name: pypi
           url: https://test.pypi.org/p/slint
       permissions:
-          id-token: write  # IMPORTANT: mandatory for trusted publishing                
+          id-token: write  # IMPORTANT: mandatory for trusted publishing
       steps:
           - uses: actions/download-artifact@v4
-            with:              
+            with:
               pattern: python-package-distributions-*
               path: dist
-              merge-multiple: true            
+              merge-multiple: true
           - name: Publish distribution 📦 to PyPI
             uses: pypa/gh-action-pypi-publish@release/v1
-          
+

README.md

@@ -7,7 +7,7 @@
 [![Discussions](https://img.shields.io/github/discussions/slint-ui/slint)](https://github.com/slint-ui/slint/discussions)
 
 Slint is a declarative GUI toolkit to build native user interfaces for embedded,
-desktop, and mobile applications written in Rust, C++, JavaScript, or Python. 
+desktop, and mobile applications written in Rust, C++, JavaScript, or Python.
 
 The name *Slint* is derived from our design goals:
 
@@ -220,7 +220,7 @@ located remotely in Germany.
 - Follow [@slint-ui](https://www.linkedin.com/company/slint-ui/) on LinkedIn.
 - Follow [@slint.dev](https://bsky.app/profile/slint.dev) on Bluesky
 - Subscribe to our [YouTube channel](https://www.youtube.com/@Slint-UI)
- 
+
 ### Contact us
 
 Feel free to join [Github discussions](https://github.com/slint-ui/slint/discussions)

api/cpp/docs/generated_code.md

@@ -52,7 +52,7 @@ export component SampleComponent inherits Window {
     // note that dashes will be replaced by underscores in the generated code
     in-out property<string> user_name;
     callback hello;
-    public function do-something(x: int) -> bool { return x > 0; } 
+    public function do-something(x: int) -> bool { return x > 0; }
     // ... maybe more elements here
 }
 

api/cpp/docs/mcu/stm32/generic.md

@@ -42,19 +42,19 @@ as well as the peripherals of our board.
     ```cmake
     # Locate Slint
     find_package(Slint)
-    
+
     # Compile app-window.slint to app-window.h and app-window.cpp
     slint_target_sources(your-target app-window.slint)
 
-    # Embed images and fonts in the binary  
+    # Embed images and fonts in the binary
     set_target_properties(your-target PROPERTIES SLINT_EMBED_RESOURCES embed-for-software-renderer)
-    
+
     # Replace $BSP_NAME with the name of your concrete BSP,
     # for example stm32h735g_discovery.
     target_compile_definitions(your-target PRIVATE
         SLINT_STM32_BSP_NAME=$BSP_NAME
     )
-    
+
     # Link Slint run-time library
     target_link_libraries(your-target PRIVATE
         Slint::Slint
@@ -68,7 +68,7 @@ as well as the peripherals of our board.
     #include <stdio.h>
     #include <stm32h735g_discovery.h>
     #include <stm32h735g_discovery_lcd.h>
-    #include <stm32h735g_discovery_ts.h>    
+    #include <stm32h735g_discovery_ts.h>
 
     #include "app-window.h"
 

api/cpp/docs/types.md

@@ -23,7 +23,7 @@ The follow table summarizes the entire mapping:
  structure                   A :code:`class` of the same name     The order of the data member are in the same as in the slint declaration
  anonymous object            A :code:`std::tuple`                 The fields are in alphabetical order.
  enum                        An :code:`enum class`                The values are always converted to CamelCase. The order of the values is the same as in the declaration.
- :code:`Point`               :cpp:class:`slint::LogicalPosition`  A struct with :code:`x` and :code:`y` fields, representing logical coordinates. 
+ :code:`Point`               :cpp:class:`slint::LogicalPosition`  A struct with :code:`x` and :code:`y` fields, representing logical coordinates.
 ===========================  ===================================  =======================================================================================================================================
 ```
 ## Structures

api/node/__test__/api.spec.mts

@@ -271,7 +271,7 @@ test("loadFile enum", (t) => {
 
 test("file loader", (t) => {
     const testSource = `export component Test {
-       in-out property <string> text: "Hello World"; 
+       in-out property <string> text: "Hello World";
     }`;
     const demo = loadFile(
         path.join(dirname, "resources/test-fileloader.slint"),

api/node/__test__/js_value_conversion.spec.mts

@@ -884,7 +884,7 @@ test("wrong callback return type ", (t) => {
   export struct Person {
     name: string,
     age: int,
-    
+
   }
   export component App {
     callback get-string() -> string;
@@ -938,7 +938,7 @@ test("wrong global callback return type ", (t) => {
             name: string,
             age: int,
         }
-        export global Global {   
+        export global Global {
             callback get-string() -> string;
             callback get-int() -> int;
             callback get-bool() -> bool;

api/node/__test__/resources/test-enum.slint

@@ -8,5 +8,5 @@ export enum TestEnum {
 }
 
 export component  Test {
-    in-out property <TestEnum> check;    
+    in-out property <TestEnum> check;
 }

api/node/__test__/resources/test-struct.slint

@@ -8,5 +8,5 @@ export struct TestStruct {
 }
 
 export component  Test {
-    in-out property <TestStruct> check;    
+    in-out property <TestStruct> check;
 }

api/node/cover.md

@@ -182,7 +182,7 @@ await demo.run();
 
 This is your main TypeScript entry point:
 
-* Import the Slint API as an [ECMAScript module](https://nodejs.org/api/esm.html#modules-ecmascript-modules) module. 
+* Import the Slint API as an [ECMAScript module](https://nodejs.org/api/esm.html#modules-ecmascript-modules) module.
 * Invoke `loadFile()` to compile and load the `.slint` file.
 * Instantiate the `Demo` component declared in `main.slint`.
 * Run it by showing it on the screen and reacting to user input.

api/python/tests/test_timers.py

@@ -15,7 +15,7 @@ def quit_after_two_invocations():
         if counter == 2:
             native.quit_event_loop()
 
-    test_timer = native.Timer()        
+    test_timer = native.Timer()
     test_timer.start(native.TimerMode.Repeated, timedelta(milliseconds=100), quit_after_two_invocations)
     native.run_event_loop()
     test_timer.stop()

api/rs/slint/android.rs

@@ -68,7 +68,7 @@
 //! ```sh
 //! cargo install cargo-apk
 //! ```
-//!  
+//!
 //! Build and run your application with the following command:
 //!
 //! ```sh

demos/README.md

@@ -6,8 +6,8 @@ These demos showcase different complex use-cases for building UIs with Slint.
 
 
 
-| Thumbnail  | Description | Demo | 
-| --- | --- | --- | 
+| Thumbnail  | Description | Demo |
+| --- | --- | --- |
 | [Printer UI ![Printer Demo image](https://github.com/user-attachments/assets/7e7400ad-283a-4404-b04a-8620ba4df452)](./printerdemo) |  A fictional user interface for the touch screen of a printer. <br/> [Project...](./printerdemo) | [Wasm Demo](https://slint.dev/snapshots/master/demos/printerdemo/) |
 | [Energy Meter![Energy meter demo image](https://github.com/user-attachments/assets/abfe03e3-ded6-4ddc-82b7-8303ee45515c "Energy meter demo image")](./energy-monitor/) |  A fictional user interface of a device that monitors energy consumption in a building. <br/> [Project...](./energy-monitor) | [Wasm Demo](https://slint.dev/snapshots/master/demos/energy-monitor/) |
 | [Weather![Weather demo image](./weather-demo/docs/img/desktop-preview.png "7 GUI's demo image")](./weather-demo/) | A simple, cross-platform (Desktop, Android, Wasm) weather application using real weather data from the [OpenWeather](https://openweathermap.org/) API. <br/> [Project...](./weather-demo/) | [Wasm Demo](https://slint.dev/snapshots/master/demos/weather-demo/) |

demos/home-automation/ui/appState.slint

@@ -45,7 +45,7 @@ export global AppState {
     callback showFullScreen(int);
     showFullScreen(index)=> {
        full-screen-index = index;
-       
+
         if full-screen-index != -1 {
             last-selected-index = index;
             showing-full-screen = true;
@@ -81,7 +81,7 @@ export global AppState {
        { id: "graph1", name:"Humidity",type: WidgetType.graph },
        { id: "graph2", name:"Pressure",type: WidgetType.graph },
        { id: "control1", name:"Music",type: WidgetType.music },
-       { id: "control2", name:"Front Camera",type: WidgetType.camera }, 
+       { id: "control2", name:"Front Camera",type: WidgetType.camera },
        { id: "control3", name:"Alarm",type: WidgetType.alarm },
        { id: "control4", name:"Heating / Air Conditioning",type: WidgetType.hvac },
     ];
@@ -448,10 +448,10 @@ export global AppState {
                 { id: "nav", x: 36.031, y: 0.445, width: 1848.0, height: 121.0, background: #8d8d8d, visible: true },
             ]
             },
-            
-            
-                            
-            
-                     
+
+
+
+
+
     ];
 }

demos/home-automation/ui/components/general/innerShadowRectangle.slint

@@ -9,7 +9,7 @@ export component InnerShadowRectangle inherits Rectangle {
     in property <brush> inner-shadow-color: Palette.shadow-color;
     in property <bool> nine-slice: true;
     clip: true;
-    if nine-slice:  
+    if nine-slice:
         Rectangle {
         clip: true;
         width: 100%;

demos/home-automation/ui/components/general/toggle.slint

@@ -67,7 +67,7 @@ export component DropShadowToggle inherits Rectangle {
                     }
                 ]
                 background: inner-shadow-color;
-            
+
                 // CONTROL BUTTON
                 TouchArea {
                     enabled: touchEnabled;

demos/home-automation/ui/components/lamp.slint

@@ -96,7 +96,7 @@ export component Lamp inherits Control {
                     }
                 }
             }
-        
+
             slider := FancySlider {
                 maxValue: 24;
                 value: self.maxValue;

demos/home-automation/ui/components/mainView/widgetLoader.slint

@@ -41,7 +41,7 @@ export component WidgetLoader {
 
     changed data => {
         if root.show != self.data.visible {
-            // hiding then set the position so it fades in on the correct place 
+            // hiding then set the position so it fades in on the correct place
             if !root.show {
                 targetX = self.data.x * 1px;
                 targetY = self.data.y * 1px;

demos/home-automation/ui/demo-debug.slint

@@ -13,4 +13,3 @@ export component AppWindow inherits Window {
         initial-door-state: open;
     }
 }
-