Fix drag targets and force X11 backend for embedded mpv

cmd/gtkplayer/main.go

@@ -236,6 +236,7 @@ func getWindowID(w *gdk.Window) uint64 {
 	if w == nil {
 		return 0
 	}
+	// gdk_x11_window_get_xid only works on X11; return 0 on other backends.
 	return uint64(gdkWindowGetXID(w))
 }
 
@@ -267,7 +268,8 @@ func preferDark() {
 
 func setupDragDest(p *pane, win *gtk.Window) {
 	// Accept URI drops
-	p.area.DragDestSet(gtk.DEST_DEFAULT_ALL, []gtk.TargetEntry{gtk.TargetEntry{}} /* dummy */, gdk.ACTION_COPY)
+	target := gtk.TargetEntryNew("text/uri-list", gtk.TARGET_OTHER_APP, 0)
+	p.area.DragDestSet(gtk.DEST_DEFAULT_ALL, []gtk.TargetEntry{*target}, gdk.ACTION_COPY)
 	p.area.Connect("drag-data-received", func(_ *gtk.DrawingArea, ctx *gdk.DragContext, x, y int, data *gtk.SelectionData, info uint, t uint32) {
 		uris := data.GetURIs()
 		if len(uris) == 0 {

scripts/run.sh

@@ -4,13 +4,27 @@
 
 PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 BUILD_OUTPUT="$PROJECT_ROOT/vt_player"
+GTK_ENTRY="$PROJECT_ROOT/cmd/gtkplayer"
 
 echo "════════════════════════════════════════════════════════════════"
 echo "  VT Player - Run Script"
 echo "════════════════════════════════════════════════════════════════"
 echo ""
 
-# Check if binary exists
+# If a GTK entry exists, run it directly (uses mpv embedded)
+if [ -d "$GTK_ENTRY" ]; then
+    echo "🚀 Starting VT Player (GTK/mpv)..."
+    echo "════════════════════════════════════════════════════════════════"
+    echo ""
+    export GDK_BACKEND=x11
+    export GOCACHE="$PROJECT_ROOT/.cache/go-build"
+    export GOMODCACHE="$PROJECT_ROOT/.cache/go-mod"
+    GOCACHE="$GOCACHE" GOMODCACHE="$GOMODCACHE" \
+        go run "$GTK_ENTRY"
+    exit $?
+fi
+
+# Fallback to legacy binary
 if [ ! -f "$BUILD_OUTPUT" ]; then
     echo "⚠️  Binary not found. Building..."
     echo ""
@@ -18,7 +32,6 @@ if [ ! -f "$BUILD_OUTPUT" ]; then
     echo ""
 fi
 
-# Verify binary exists
 if [ ! -f "$BUILD_OUTPUT" ]; then
     echo "❌ ERROR: Build failed, cannot run."
     exit 1
@@ -28,12 +41,9 @@ echo "🚀 Starting VT Player..."
 echo "════════════════════════════════════════════════════════════════"
 echo ""
 
-# Optional software rendering fallback:
-# Default to software (avoid GLX errors); set VTPLAYER_HW=1 to force hardware.
 if [ "$VTPLAYER_HW" != "1" ]; then
     export FYNE_SW_CANVAS=1
     export LIBGL_ALWAYS_SOFTWARE=1
 fi
 
-# Run the application
 "$BUILD_OUTPUT" "$@"