09a439ab21
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116 lines
3.3 KiB
Python
116 lines
3.3 KiB
Python
#!/usr/bin/env python3
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# vim: sts=4 sw=4 et
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"""
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XEmbed helper functions to allow correct embedding inside Axis
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"""
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk
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from gi.repository import Gdk
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def reparent(window, parent):
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""" Forced reparent. When reparenting Gtk applications into Tk
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some extra protocol calls are needed.
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"""
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from Xlib import display
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from Xlib.xobject import drawable
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if not parent:
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return window
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plug = Gtk.Plug.new(int(parent))
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plug.show_all()
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d = display.Display()
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w = drawable.Window(d.display, plug.get_window().get_xid(), 0)
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# Honor XEmbed spec
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atom = d.get_atom('_XEMBED_INFO')
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w.change_property(atom, atom, 32, [0, 1])
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w.reparent(parent, 0, 0)
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w.map()
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d.sync()
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for c in window.get_children():
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window.remove(c)
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plug.add(c)
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# Hide window if it's displayed
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window.unmap()
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return plug
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def add_plug(window):
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"""Replace top level with a plug so it can be reparented.
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This doesn't actually reparent the widget
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"""
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plug = Gtk.Plug(0)
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plug.show()
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for c in window.get_children():
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window.remove(c)
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plug.add(c)
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# Hide window if it's displayed
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window.unmap()
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return plug
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def keyboard_forward(window, forward):
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""" XXX: Keyboard events forwardind
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This is kind of hack needed to properly function inside Tk windows.
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Gtk app will receive _all_ events, even not needed. So we have to forward
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back things that left over after our widgets. Connect handlers _after_
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all others and listen for key-press and key-release events. If key is not
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in ignore list - forward it to window id found in environment.
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"""
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if not forward:
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return
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try:
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forward = int(forward, 0)
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except:
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return
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from Xlib.protocol import event
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from Xlib import display, X
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from Xlib.xobject import drawable
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d = display.Display()
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fw = drawable.Window(d.display, forward, 0)
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#TODO: GTK3
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# ks = gtk.keysyms
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ignore = []#[ ks.Tab, ks.Page_Up, ks.Page_Down
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# , ks.KP_Page_Up, ks.KP_Page_Down
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# , ks.Left, ks.Right, ks.Up, ks.Down
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# , ks.KP_Left, ks.KP_Right, ks.KP_Up, ks.KP_Down
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# , ks.bracketleft, ks.bracketright
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# ]
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def gtk2xlib(e, fw, g, type=None):
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if type is None: type = e.type
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if type == Gdk.EventType.KEY_PRESS:
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klass = event.KeyPress
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elif type == Gdk.EventType.KEY_RELEASE:
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klass = event.KeyRelease
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else:
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return
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kw = dict(window=fw, detail=e.hardware_keycode,
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state=e.state & 0xff,
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child=X.NONE, root=g._data['root'],
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root_x=g._data['x'], root_y=g._data['y'],
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event_x=0, event_y=0, same_screen=1)
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return klass(time=e.time, **kw)
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def forward(w, e, fw):
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if e.keyval in ignore:
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return
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g = fw.get_geometry()
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fe = gtk2xlib(e, fw, g)
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if not fe: return
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fw.send_event(fe)
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window.connect_after("key-press-event", forward, fw)
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window.connect("key-release-event", forward, fw)
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#TODO:
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#window.add_events(Gdk.EventType.KEY_PRESS_MASK)
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#window.add_events(Gdk.EventType.KEY_RELEASE_MASK)
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