Ensure dark mode support

install.sh

@@ -7,3 +7,12 @@ 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
 cp -r $dist_dir/share/ /usr/
+
+if command -v gtk-update-icon-cache >/dev/null 2>&1; then
+	sudo gtk-update-icon-cache /usr/share/icons/hicolor
+fi
+
+if command -v apt-get >/dev/null 2>&1; then
+    sudo apt-get update
+    sudo apt-get install -y qt6-gtk-platformtheme qgnomeplatform-qt6 adwaita-qt
+fi

src/net.drinkingtea.sc9k.desktop

@@ -4,11 +4,11 @@ Comment=Slide and Live Stream Coordinator
 GenericName=Slide and Live Stream Coordinator
 X-GNOME-FullName=Slide Controller 9000
 Type=Application
-Exec=/usr/local/bin/SlideController
+Exec=env QT_QPA_PLATFORMTHEME=gnome /usr/local/bin/SlideController
 Terminal=false
 X-MultipleArgs=false
 Icon=net.drinkingtea.sc9k
 Categories=Multimedia
 Keywords=slide;controller;sc9k
-StartupWMClass=Slide Controller 9000
+StartupWMClass=SlideController
 StartupNotify=false