Install a .desktop and icon files on Unix (#83)

* Install a .desktop and an icon on Unix

This has been tested on GNOME Shell 3.30.0.

* Rename the binary to lowercase

CMakeLists.txt

@@ -5,7 +5,7 @@ cmake_minimum_required(VERSION 3.0)
 set(CMAKE_OSX_ARCHITECTURES x86_64)
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 
-set(BZC_EXE_NAME "Bonzomatic")
+set(BZC_EXE_NAME "bonzomatic")
 
 set(VERSION_MAJOR "1")
 set(VERSION_MINOR "0")
@@ -502,4 +502,9 @@ if (UNIX AND (NOT APPLE))
     install(FILES "${CMAKE_SOURCE_DIR}/external/bass/x86/libbass.so" DESTINATION lib)
   endif ()
   install(TARGETS ${BZC_EXE_NAME} RUNTIME DESTINATION bin)
+  install(FILES "${CMAKE_SOURCE_DIR}/data/unix/bonzomatic.desktop"
+          DESTINATION "${CMAKE_INSTALL_PREFIX}/share/applications")
+  install(FILES "${CMAKE_SOURCE_DIR}/data/unix/icon.png"
+          RENAME "bonzomatic.png"
+          DESTINATION "${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/256x256/apps")
 endif ()

data/unix/bonzomatic.desktop

+[Desktop Entry]
+Version=1.0
+Icon=bonzomatic
+Exec=bonzomatic
+Terminal=false
+Type=Application
+Categories=Graphics;
+Name=Bonzomatic
+GenericName=Live shader editor
+Comment=Live-coding tool where you write a 2D fragment shader while it is running in the background