AaronFiore/electrum
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qt: wrap show_bitcoin_paper() in WaitingDialog

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i noticed that the `show_bitcoin_paper()` call can be a bit slow on some
machines blocking the gui for multiple seconds without giving feedback.
Wrapping it in a waiting dialog gives the user some feedback that
something is happening.
This commit is contained in:
f321x
2025-06-16 10:08:11 +02:00
parent 56d50251b7
commit c58ff7caec
1 changed files with 16 additions and 7 deletions
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23
electrum/gui/qt/main_window.py
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@@ -874,13 +874,22 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger, QtEventListener):
def show_bitcoin_paper(self): def show_bitcoin_paper(self):
filename = os.path.join(self.config.path, 'bitcoin.pdf') filename = os.path.join(self.config.path, 'bitcoin.pdf')
if not os.path.exists(filename): if not os.path.exists(filename):
s = self._fetch_tx_from_network("54e48e5f5c656b26c3bca14a8c95aa583d07ebe84dde3b7dd4a78f4e4186e713") def fetch_bitcoin_paper():
if not s: s = self._fetch_tx_from_network("54e48e5f5c656b26c3bca14a8c95aa583d07ebe84dde3b7dd4a78f4e4186e713")
return if not s:
s = s.split("0100000000000000")[1:-1] return
out = ''.join(x[6:136] + x[138:268] + x[270:400] if len(x) > 136 else x[6:] for x in s)[16:-20] s = s.split("0100000000000000")[1:-1]
with open(filename, 'wb') as f: out = ''.join(x[6:136] + x[138:268] + x[270:400] if len(x) > 136 else x[6:] for x in s)[16:-20]
f.write(bytes.fromhex(out)) with open(filename, 'wb') as f:
f.write(bytes.fromhex(out))
WaitingDialog(
self,
_("Fetching Bitcoin Paper..."),
fetch_bitcoin_paper,
on_success=lambda _: webopen('file:///' + filename),
on_error=self.on_error,
)
return
webopen('file:///' + filename) webopen('file:///' + filename)
def show_update_check(self, version=None): def show_update_check(self, version=None):