### Apply GPL license notice to source files

Source: https://github.com/kde/layer-shell-qt/blob/master/LICENSES/LGPL-3.0-only.txt

Include this notice at the start of each source file to state the exclusion of warranty and provide license details.

```text
     <one line to give the program's name and a brief idea of what it does.>
     Copyright (C) <year>  <name of author>

     This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

     This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

     You should have received a copy of the GNU General Public License along with this program.  If not, see <http://www.gnu.org/licenses/>.
```

--------------------------------

### Configure Layer Shell Qt QML Module

Source: https://github.com/kde/layer-shell-qt/blob/master/src/declarative/CMakeLists.txt

Defines the QML module, specifies source files, and generates a plugin source. Link against Qt::Qml and LayerShellQtInterface. Finalize module installation.

```cmake
ecm_add_qml_module(LayerShellQtQml
                  URI "org.kde.layershell"
                  VERSION 1.0
                  SOURCES types.h
                  GENERATE_PLUGIN_SOURCE)
target_link_libraries(LayerShellQtQml PRIVATE Qt::Qml LayerShellQtInterface)

ecm_finalize_qml_module(LayerShellQtQml DESTINATION ${KDE_INSTALL_QMLDIR})
```

--------------------------------

### Enable LayerShellQt in C++

Source: https://github.com/kde/layer-shell-qt/blob/master/README.md

Call this method to initialize LayerShellQt functionality before creating any client windows.

```cpp
LayerShellQt::Shell::useLayerShell();
```

--------------------------------

### Access Window settings in C++

Source: https://github.com/kde/layer-shell-qt/blob/master/README.md

Use the Window class to retrieve surface-specific settings for a given QWindow instance.

```cpp
LayerShellQt::Window::get(window)
```

--------------------------------

### Configure CMake for LayerShellQt

Source: https://github.com/kde/layer-shell-qt/blob/master/tests/CMakeLists.txt

Defines an executable and links it with the required LayerShellQtInterface, Qt Qml, and Qt Gui libraries.

```cmake
add_executable(layershellqt-test main.cpp)
target_link_libraries(layershellqt-test PRIVATE LayerShellQtInterface Qt::Qml Qt::Gui)
```

--------------------------------

### Display interactive program license notice

Source: https://github.com/kde/layer-shell-qt/blob/master/LICENSES/LGPL-3.0-only.txt

Use this notice for programs that perform terminal interaction to inform users about warranty and redistribution terms.

```text
     <program>  Copyright (C) <year>  <name of author>
     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
     This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details.
```

--------------------------------

### Find LayerShellQt package in CMake

Source: https://github.com/kde/layer-shell-qt/blob/master/README.md

Use this command to locate the LayerShellQt package within your CMake project configuration.

```cmake
find_package(LayerShellQt REQUIRED)
```

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