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