功能：接入Linux原生光标并完善设备接入工具

docs/evidence/native-cursor-20261105/source.py

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+"""Controlled GTK test window: real native cursors and unique click sequences."""
+import gi
+import json
+import time
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk, Gdk, GdkPixbuf, GLib
+
+win = Gtk.Window(title='VDI native cursor acceptance')
+area = Gtk.DrawingArea()
+win.add(area)
+area.set_can_focus(True)
+area.set_events(Gdk.EventMask.POINTER_MOTION_MASK | Gdk.EventMask.BUTTON_PRESS_MASK |
+                Gdk.EventMask.BUTTON_RELEASE_MASK)
+display = Gdk.Display.get_default()
+names = ['default', 'text', 'ew-resize', 'wait', 'none', 'crosshair', 'custom']
+cursors = {name: Gdk.Cursor.new_from_name(display, name) for name in names[:4] + ['crosshair']}
+cursors['none'] = Gdk.Cursor.new_for_display(display, Gdk.CursorType.BLANK_CURSOR)
+pix = GdkPixbuf.Pixbuf.new(GdkPixbuf.Colorspace.RGB, True, 8, 24, 24)
+pix.fill(0xff5030ff)
+cursors['custom'] = Gdk.Cursor.new_from_pixbuf(display, pix, 7, 9)
+current = None
+sequence = 0
+
+
+def report(**kw):
+    kw['t'] = time.monotonic()
+    print(json.dumps(kw), flush=True)
+
+
+def motion(widget, event):
+    global current
+    index = min(6, int(event.x // (2560/7)))
+    name = names[index]
+    if name != current:
+        area.get_window().set_cursor(cursors[name])
+        current = name
+        report(event='shape', name=name)
+    return False
+
+
+def button(widget, event):
+    global sequence
+    if event.type in (Gdk.EventType.BUTTON_PRESS, Gdk.EventType.DOUBLE_BUTTON_PRESS,
+                      Gdk.EventType.TRIPLE_BUTTON_PRESS):
+        # GTK emits an extra double/triple notification, not another input.
+        if event.type == Gdk.EventType.BUTTON_PRESS:
+            sequence += 1
+            area.queue_draw_area(0, 1300, 1000, 140)
+    report(event=event.type.value_nick, seq=sequence, x=event.x_root,
+           y=event.y_root, button=event.button)
+    return False
+
+
+def draw(widget, cr):
+    cr.set_source_rgb(.94, .96, .98)
+    cr.paint()
+    cr.select_font_face('sans')
+    cr.set_font_size(25)
+    for i, name in enumerate(names):
+        cr.set_source_rgb(.1, .15, .2)
+        cr.move_to(40 + i*2560/7, 100)
+        cr.show_text(name)
+        cr.set_source_rgb(.65, .7, .8)
+        cr.rectangle(i*2560/7, 120, 2, 1100)
+        cr.fill()
+    # Unique monotonic sequence, read from the actual decoded video.
+    for bit in range(16):
+        v = 1 if sequence & (1 << bit) else 0
+        cr.set_source_rgb(v, v, v)
+        cr.rectangle(40 + bit*40, 1340, 40, 60)
+        cr.fill()
+    return False
+
+
+def key(widget, event):
+    if event.keyval == Gdk.KEY_Escape:
+        Gtk.main_quit()
+    return False
+
+
+win.connect('destroy', Gtk.main_quit)
+win.connect('key-press-event', key)
+area.connect('motion-notify-event', motion)
+area.connect('button-press-event', button)
+area.connect('button-release-event', button)
+area.connect('draw', draw)
+win.fullscreen()
+win.show_all()
+win.present()
+area.grab_focus()
+report(event='ready')
+Gtk.main()