Fix .desktop file permissions

install.sh

@@ -5,5 +5,9 @@ set -eu
 dist_dir=.
 
 install -Dm 755 $dist_dir/bin/SlideController /usr/local/bin/SlideController
-install -Dm 755 $dist_dir/share/applications/net.drinkingtea.sc9k.desktop /usr/share/applications/net.drinkingtea.sc9k.desktop
+install -Dm 644 $dist_dir/share/applications/net.drinkingtea.sc9k.desktop /usr/share/applications/net.drinkingtea.sc9k.desktop
 cp -r $dist_dir/share/ /usr/
+
+if command -v gtk-update-icon-cache >/dev/null 2>&1; then
+	gtk-update-icon-cache /usr/share/icons/hicolor
+fi

src/main.cpp

@@ -13,7 +13,7 @@
 
 int main(int argc, char *argv[]) {
 	QSettings::setDefaultFormat(QSettings::Format::IniFormat);
-#ifndef __APPLE__
+#ifdef _WIN32
 	QApplication::setStyle("Fusion");
 #endif
 	QApplication a(argc, argv);

src/net.drinkingtea.sc9k.desktop

@@ -10,5 +10,5 @@ X-MultipleArgs=false
 Icon=net.drinkingtea.sc9k
 Categories=Multimedia
 Keywords=slide;controller;sc9k
-StartupWMClass=Slide Controller 9000
+StartupWMClass=SlideController
 StartupNotify=false