Create codeql.yml

.github/workflows/codeql.yml

@@ -0,0 +1,52 @@
+name: "CodeQL Analysis"
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+  schedule:
+    - cron: '18 7 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-24.04
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v6
+
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v4
+        with:
+          version: '6.5'
+          modules: 'qt5compat'
+          cache: true
+
+      - name: Install Linux Dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxkbcommon-dev libxkbcommon-x11-0 fuse libxcb-cursor-dev libcups2-dev ninja-build
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: 'cpp'
+          queries: security-extended
+
+      - name: Configure
+        run: cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release
+
+      - name: Build
+        # CodeQL traces this build to understand the code structure
+        run: cmake --build build --parallel
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:cpp"