add taskbar / titlebar icon on Linux & Windows

Thanks ra3xdh/qucs_s#929

.editorconfig

@@ -10,6 +10,6 @@ indent_size = 4
 indent_style = tab
 tab_width = 4
 
-[*.{json,nix,yml}]
+[*.{json,nix,qrc,yml}]
 indent_size = 2
-indent_style = space
+indent_style = space

CMakeLists.txt

@@ -136,6 +136,8 @@ set( QUCS-RF-LAYOUT_SRCS
 	"${CMAKE_SOURCE_DIR}/src/converter.cpp"
 	"$<$<NOT:$<BOOL:${QRFL_MINIMAL}>>:${CMAKE_SOURCE_DIR}/src/preview.cpp>"
 	"$<$<NOT:$<BOOL:${QRFL_MINIMAL}>>:${CMAKE_SOURCE_DIR}/src/mainwindow.cpp>"
+	"$<$<NOT:$<BOOL:${QRFL_MINIMAL}>>:${CMAKE_SOURCE_DIR}/src/resources.qrc>"
+	"$<$<NOT:$<BOOL:${QRFL_MINIMAL}>>:${CMAKE_SOURCE_DIR}/pack/qucsrflayout.rc>"
 	"${CMAKE_SOURCE_DIR}/src/main.cpp"
 	)
 
@@ -223,6 +225,7 @@ set_target_properties( ${PROJECT_NAME} PROPERTIES
 if( NOT QRFL_MINIMAL )
 	set_target_properties( ${PROJECT_NAME} PROPERTIES
 		AUTOMOC ON
+		AUTORCC ON
 		AUTOUIC ON
 		)
 endif( NOT QRFL_MINIMAL )

pack/qucsrflayout.rc

@@ -0,0 +1 @@
+IDI_ICON1 ICON "icons/qucsrflayout.ico"

src/mainwindow.cpp

@@ -63,6 +63,10 @@ MainWindow::MainWindow(Data& _data, QWidget* parent) :
 	for(std::string used : data.used_elements) {
 		add_action("Use", QString::fromStdString(used));
 		}
+
+#ifndef __APPLE__
+	setWindowIcon(QPixmap(":/qucsrflayout.ico"));
+#endif // __APPLE__
 	}
 
 //******************************************************************************

src/resources.qrc

@@ -0,0 +1,17 @@
+<RCC>
+  <qresource prefix="/">
+    <!--
+       convert \
+       qucsrflayout.16x16.png \
+       qucsrflayout.22x22.png \
+       qucsrflayout.32x32.png \
+       qucsrflayout.48x48.png \
+       qucsrflayout.64x64.png \
+       qucsrflayout.128x128.png \
+       qucsrflayout.256x256.png \
+       qucsrflayout.512x512.png \
+       qucsrflayout.ico
+    -->
+    <file alias="qucsrflayout.ico">../pack/icons/qucsrflayout.ico</file>
+  </qresource>
+</RCC>