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Global clipboard clearing option #225

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Merged
marmarek merged 1 commit into from
Oct 23, 2025
Merged

Global clipboard clearing option #225

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46 changes: 45 additions & 1 deletion qui/clipboard.py
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Original file line number Diff line number Diff line change
Expand Up @@ -351,11 +351,13 @@ def show_menu(self, _unused, event):

def update_clipboard_contents(self, vm=None, size=0, message=None, icon=None):
if not vm or not size:
self.clear_menu_item.set_sensitive(False)
self.clipboard_label.set_markup(_("<i>Global clipboard is empty</i>"))
self.icon.set_from_icon_name("qui-clipboard")
# todo the icon should be empty and full depending on state

else:
self.clear_menu_item.set_sensitive(True)
self.clipboard_label.set_markup(
_("<i>Global clipboard contents: {0} from <b>{1}</b></i>").format(
size, vm
Expand Down Expand Up @@ -387,7 +389,6 @@ def setup_ui(self, *_args, **_kwargs):
clipboard_content_item = Gtk.MenuItem()
clipboard_content_item.set_sensitive(False)
clipboard_content_item.add(self.clipboard_label)
self.update_clipboard_contents()
self.menu.append(clipboard_content_item)

self.menu.append(Gtk.SeparatorMenuItem())
Expand All @@ -406,6 +407,11 @@ def setup_ui(self, *_args, **_kwargs):

self.menu.append(Gtk.SeparatorMenuItem())

self.clear_menu_item = Gtk.MenuItem(_("Clear global clipboard"))
self.clear_menu_item.connect("activate", self.clear_clipboard)
self.menu.append(self.clear_menu_item)
self.update_clipboard_contents()

dom0_item = Gtk.MenuItem(_("Copy dom0 clipboard"))
dom0_item.connect("activate", self.copy_dom0_clipboard)
self.menu.append(dom0_item)
Expand Down Expand Up @@ -447,6 +453,9 @@ def copy_dom0_clipboard(self, *_args, **_kwargs):
buffer_size="256000",
)
)
self.update_clipboard_contents(
"dom0", "{} bytes".format(os.path.getsize(DATA))
)
except Exception: # pylint: disable=broad-except
self.send_notify(
_("Error while accessing global clipboard!"),
Expand Down Expand Up @@ -478,6 +487,41 @@ def _convert_to_readable(key: str):
return key.upper()
return key

def clear_clipboard(self, *_args, **_kwargs):
try:
with appviewer_lock():
with open(DATA, "w", encoding="utf-8") as contents:
contents.truncate(0)
with open(FROM, "w", encoding="ascii") as source:
source.write("dom0")
with open(XEVENT, "w", encoding="ascii") as timestamp:
timestamp.write(str(Gtk.get_current_event_time()))
with open(METADATA, "w", encoding="ascii") as metadata:
metadata.write(
"{{\n"
'"vmname":"dom0",\n'
'"xevent_timestamp":{xevent_timestamp},\n'
'"successful":1,\n'
'"cleared":1,\n'
'"copy_action":0,\n'
'"paste_action":0,\n'
'"malformed_request":0,\n'
'"qrexec_clipboard":0,\n'
'"sent_size":0,\n'
'"buffer_size":{buffer_size},\n'
'"protocol_version_xside":65544,\n'
'"protocol_version_vmside":65544,\n'
"}}\n".format(
xevent_timestamp=str(Gtk.get_current_event_time()),
buffer_size="256000",
)
)
self.update_clipboard_contents(
vm=None, size=0, message=("Global clipboard cleared")
)
except Exception: # pylint: disable=broad-except
self.send_notify(_("Error while clearing global clipboard!"))


def main():
loop = asyncio.get_event_loop()
Expand Down