mirror of
https://github.com/LBRYFoundation/LBRY-Vault.git
synced 2025-08-23 17:47:31 +00:00
a4fe14bb82
This commit adds support for the BitBox02 hardware wallet. It supports both single and multisig for the electrum gui wallet. To use the plugin a local installation of the BitBox02 python library is required. It can be found on PiPy under the name 'bitbox02' and can be installed from the bitbox02-firmware repository in the py/bitbox02 directory. All communication to and from the BitBox02 is noise encrypted, the keys required for this are stored in the wallet config file under the bitbox02 key. The BitBox02 registers a multisig configuration before allowing transaction signing. This multisig configuration includes the threshold, cosigner xpubs, keypath, a variable to indicate for mainnet and testnet, and a name that the user can choose during configuration registration. The user is asked to register the multisig configuration either during address verification or during transaction signing. The check the xpub of the BitBox02 for other hardware wallets, a button is added in the wallet info dialog. The wallet encryption key is fetched in a separate api call, requiring a slightly tweaked override version of the wallet encryption password.
962 lines
33 KiB
Python
962 lines
33 KiB
Python
import asyncio
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import os.path
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import time
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import sys
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import platform
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import queue
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import traceback
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import os
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import webbrowser
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from functools import partial, lru_cache
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from typing import NamedTuple, Callable, Optional, TYPE_CHECKING, Union, List, Dict, Any
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from PyQt5.QtGui import (QFont, QColor, QCursor, QPixmap, QStandardItem,
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QPalette, QIcon, QFontMetrics, QShowEvent)
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from PyQt5.QtCore import (Qt, QPersistentModelIndex, QModelIndex, pyqtSignal,
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QCoreApplication, QItemSelectionModel, QThread,
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QSortFilterProxyModel, QSize, QLocale)
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from PyQt5.QtWidgets import (QPushButton, QLabel, QMessageBox, QHBoxLayout,
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QAbstractItemView, QVBoxLayout, QLineEdit,
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QStyle, QDialog, QGroupBox, QButtonGroup, QRadioButton,
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QFileDialog, QWidget, QToolButton, QTreeView, QPlainTextEdit,
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QHeaderView, QApplication, QToolTip, QTreeWidget, QStyledItemDelegate,
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QMenu)
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from electrum.i18n import _, languages
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from electrum.util import FileImportFailed, FileExportFailed, make_aiohttp_session, resource_path
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from electrum.util import PR_UNPAID, PR_PAID, PR_EXPIRED, PR_INFLIGHT, PR_UNKNOWN, PR_FAILED, PR_ROUTING
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if TYPE_CHECKING:
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from .main_window import ElectrumWindow
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if platform.system() == 'Windows':
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MONOSPACE_FONT = 'Lucida Console'
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elif platform.system() == 'Darwin':
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MONOSPACE_FONT = 'Monaco'
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else:
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MONOSPACE_FONT = 'monospace'
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dialogs = []
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pr_icons = {
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PR_UNKNOWN:"warning.png",
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PR_UNPAID:"unpaid.png",
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PR_PAID:"confirmed.png",
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PR_EXPIRED:"expired.png",
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PR_INFLIGHT:"unconfirmed.png",
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PR_FAILED:"warning.png",
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PR_ROUTING:"unconfirmed.png",
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}
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# filter tx files in QFileDialog:
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TRANSACTION_FILE_EXTENSION_FILTER_ANY = "Transaction (*.txn *.psbt);;All files (*)"
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TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX = "Partial Transaction (*.psbt)"
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TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX = "Complete Transaction (*.txn)"
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TRANSACTION_FILE_EXTENSION_FILTER_SEPARATE = (f"{TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX};;"
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f"{TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX};;"
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f"All files (*)")
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class EnterButton(QPushButton):
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def __init__(self, text, func):
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QPushButton.__init__(self, text)
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self.func = func
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self.clicked.connect(func)
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def keyPressEvent(self, e):
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if e.key() == Qt.Key_Return:
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self.func()
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class ThreadedButton(QPushButton):
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def __init__(self, text, task, on_success=None, on_error=None):
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QPushButton.__init__(self, text)
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self.task = task
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self.on_success = on_success
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self.on_error = on_error
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self.clicked.connect(self.run_task)
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def run_task(self):
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self.setEnabled(False)
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self.thread = TaskThread(self)
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self.thread.add(self.task, self.on_success, self.done, self.on_error)
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def done(self):
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self.setEnabled(True)
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self.thread.stop()
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class WWLabel(QLabel):
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def __init__ (self, text="", parent=None):
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QLabel.__init__(self, text, parent)
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self.setWordWrap(True)
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self.setTextInteractionFlags(Qt.TextSelectableByMouse)
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class HelpLabel(QLabel):
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def __init__(self, text, help_text):
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QLabel.__init__(self, text)
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self.help_text = help_text
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self.app = QCoreApplication.instance()
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self.font = QFont()
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def mouseReleaseEvent(self, x):
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custom_message_box(icon=QMessageBox.Information,
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parent=self,
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title=_('Help'),
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text=self.help_text)
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def enterEvent(self, event):
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self.font.setUnderline(True)
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self.setFont(self.font)
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self.app.setOverrideCursor(QCursor(Qt.PointingHandCursor))
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return QLabel.enterEvent(self, event)
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def leaveEvent(self, event):
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self.font.setUnderline(False)
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self.setFont(self.font)
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self.app.setOverrideCursor(QCursor(Qt.ArrowCursor))
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return QLabel.leaveEvent(self, event)
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class HelpButton(QPushButton):
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def __init__(self, text):
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QPushButton.__init__(self, '?')
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self.help_text = text
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self.setFocusPolicy(Qt.NoFocus)
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self.setFixedWidth(round(2.2 * char_width_in_lineedit()))
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self.clicked.connect(self.onclick)
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def onclick(self):
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custom_message_box(icon=QMessageBox.Information,
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parent=self,
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title=_('Help'),
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text=self.help_text,
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rich_text=True)
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class InfoButton(QPushButton):
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def __init__(self, text):
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QPushButton.__init__(self, 'Info')
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self.help_text = text
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self.setFocusPolicy(Qt.NoFocus)
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self.setFixedWidth(6 * char_width_in_lineedit())
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self.clicked.connect(self.onclick)
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def onclick(self):
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custom_message_box(icon=QMessageBox.Information,
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parent=self,
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title=_('Info'),
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text=self.help_text,
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rich_text=True)
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class Buttons(QHBoxLayout):
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def __init__(self, *buttons):
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QHBoxLayout.__init__(self)
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self.addStretch(1)
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for b in buttons:
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if b is None:
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continue
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self.addWidget(b)
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class CloseButton(QPushButton):
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def __init__(self, dialog):
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QPushButton.__init__(self, _("Close"))
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self.clicked.connect(dialog.close)
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self.setDefault(True)
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class CopyButton(QPushButton):
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def __init__(self, text_getter, app):
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QPushButton.__init__(self, _("Copy"))
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self.clicked.connect(lambda: app.clipboard().setText(text_getter()))
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class CopyCloseButton(QPushButton):
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def __init__(self, text_getter, app, dialog):
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QPushButton.__init__(self, _("Copy and Close"))
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self.clicked.connect(lambda: app.clipboard().setText(text_getter()))
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self.clicked.connect(dialog.close)
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self.setDefault(True)
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class OkButton(QPushButton):
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def __init__(self, dialog, label=None):
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QPushButton.__init__(self, label or _("OK"))
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self.clicked.connect(dialog.accept)
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self.setDefault(True)
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class CancelButton(QPushButton):
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def __init__(self, dialog, label=None):
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QPushButton.__init__(self, label or _("Cancel"))
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self.clicked.connect(dialog.reject)
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class MessageBoxMixin(object):
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def top_level_window_recurse(self, window=None, test_func=None):
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window = window or self
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classes = (WindowModalDialog, QMessageBox)
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if test_func is None:
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test_func = lambda x: True
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for n, child in enumerate(window.children()):
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# Test for visibility as old closed dialogs may not be GC-ed.
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# Only accept children that confirm to test_func.
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if isinstance(child, classes) and child.isVisible() \
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and test_func(child):
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return self.top_level_window_recurse(child, test_func=test_func)
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return window
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def top_level_window(self, test_func=None):
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return self.top_level_window_recurse(test_func)
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def question(self, msg, parent=None, title=None, icon=None, **kwargs) -> bool:
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Yes, No = QMessageBox.Yes, QMessageBox.No
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return Yes == self.msg_box(icon=icon or QMessageBox.Question,
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parent=parent,
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title=title or '',
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text=msg,
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buttons=Yes|No,
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defaultButton=No,
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**kwargs)
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def show_warning(self, msg, parent=None, title=None, **kwargs):
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return self.msg_box(QMessageBox.Warning, parent,
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title or _('Warning'), msg, **kwargs)
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def show_error(self, msg, parent=None, **kwargs):
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return self.msg_box(QMessageBox.Warning, parent,
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_('Error'), msg, **kwargs)
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def show_critical(self, msg, parent=None, title=None, **kwargs):
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return self.msg_box(QMessageBox.Critical, parent,
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title or _('Critical Error'), msg, **kwargs)
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def show_message(self, msg, parent=None, title=None, **kwargs):
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return self.msg_box(QMessageBox.Information, parent,
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title or _('Information'), msg, **kwargs)
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def msg_box(self, icon, parent, title, text, *, buttons=QMessageBox.Ok,
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defaultButton=QMessageBox.NoButton, rich_text=False,
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checkbox=None):
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parent = parent or self.top_level_window()
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return custom_message_box(icon=icon,
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parent=parent,
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title=title,
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text=text,
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buttons=buttons,
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defaultButton=defaultButton,
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rich_text=rich_text,
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checkbox=checkbox)
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def custom_message_box(*, icon, parent, title, text, buttons=QMessageBox.Ok,
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defaultButton=QMessageBox.NoButton, rich_text=False,
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checkbox=None):
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if type(icon) is QPixmap:
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d = QMessageBox(QMessageBox.Information, title, str(text), buttons, parent)
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d.setIconPixmap(icon)
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else:
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d = QMessageBox(icon, title, str(text), buttons, parent)
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d.setWindowModality(Qt.WindowModal)
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d.setDefaultButton(defaultButton)
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if rich_text:
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d.setTextInteractionFlags(Qt.TextSelectableByMouse | Qt.LinksAccessibleByMouse)
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# set AutoText instead of RichText
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# AutoText lets Qt figure out whether to render as rich text.
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# e.g. if text is actually plain text and uses "\n" newlines;
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# and we set RichText here, newlines would be swallowed
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d.setTextFormat(Qt.AutoText)
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else:
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d.setTextInteractionFlags(Qt.TextSelectableByMouse)
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d.setTextFormat(Qt.PlainText)
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if checkbox is not None:
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d.setCheckBox(checkbox)
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return d.exec_()
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class WindowModalDialog(QDialog, MessageBoxMixin):
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'''Handy wrapper; window modal dialogs are better for our multi-window
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daemon model as other wallet windows can still be accessed.'''
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def __init__(self, parent, title=None):
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QDialog.__init__(self, parent)
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self.setWindowModality(Qt.WindowModal)
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if title:
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self.setWindowTitle(title)
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class WaitingDialog(WindowModalDialog):
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'''Shows a please wait dialog whilst running a task. It is not
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necessary to maintain a reference to this dialog.'''
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def __init__(self, parent: QWidget, message: str, task, on_success=None, on_error=None):
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assert parent
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if isinstance(parent, MessageBoxMixin):
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parent = parent.top_level_window()
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WindowModalDialog.__init__(self, parent, _("Please wait"))
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self.message_label = QLabel(message)
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vbox = QVBoxLayout(self)
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vbox.addWidget(self.message_label)
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self.accepted.connect(self.on_accepted)
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self.show()
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self.thread = TaskThread(self)
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self.thread.finished.connect(self.deleteLater) # see #3956
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self.thread.add(task, on_success, self.accept, on_error)
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def wait(self):
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self.thread.wait()
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def on_accepted(self):
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self.thread.stop()
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def update(self, msg):
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print(msg)
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self.message_label.setText(msg)
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class BlockingWaitingDialog(WindowModalDialog):
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"""Shows a waiting dialog whilst running a task.
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Should be called from the GUI thread. The GUI thread will be blocked while
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the task is running; the point of the dialog is to provide feedback
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to the user regarding what is going on.
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"""
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def __init__(self, parent: QWidget, message: str, task: Callable[[], Any]):
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assert parent
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if isinstance(parent, MessageBoxMixin):
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parent = parent.top_level_window()
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WindowModalDialog.__init__(self, parent, _("Please wait"))
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self.message_label = QLabel(message)
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vbox = QVBoxLayout(self)
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vbox.addWidget(self.message_label)
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self.show()
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QCoreApplication.processEvents()
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task()
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self.accept()
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def line_dialog(parent, title, label, ok_label, default=None):
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dialog = WindowModalDialog(parent, title)
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dialog.setMinimumWidth(500)
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l = QVBoxLayout()
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dialog.setLayout(l)
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l.addWidget(QLabel(label))
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txt = QLineEdit()
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if default:
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txt.setText(default)
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l.addWidget(txt)
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l.addLayout(Buttons(CancelButton(dialog), OkButton(dialog, ok_label)))
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if dialog.exec_():
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return txt.text()
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def text_dialog(parent, title, header_layout, ok_label, default=None, allow_multi=False):
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from .qrtextedit import ScanQRTextEdit
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dialog = WindowModalDialog(parent, title)
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dialog.setMinimumWidth(600)
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l = QVBoxLayout()
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dialog.setLayout(l)
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if isinstance(header_layout, str):
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l.addWidget(QLabel(header_layout))
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else:
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l.addLayout(header_layout)
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txt = ScanQRTextEdit(allow_multi=allow_multi)
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if default:
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txt.setText(default)
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l.addWidget(txt)
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l.addLayout(Buttons(CancelButton(dialog), OkButton(dialog, ok_label)))
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if dialog.exec_():
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return txt.toPlainText()
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class ChoicesLayout(object):
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def __init__(self, msg, choices, on_clicked=None, checked_index=0):
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vbox = QVBoxLayout()
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if len(msg) > 50:
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vbox.addWidget(WWLabel(msg))
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msg = ""
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gb2 = QGroupBox(msg)
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vbox.addWidget(gb2)
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vbox2 = QVBoxLayout()
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gb2.setLayout(vbox2)
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self.group = group = QButtonGroup()
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for i,c in enumerate(choices):
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button = QRadioButton(gb2)
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button.setText(c)
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vbox2.addWidget(button)
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group.addButton(button)
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group.setId(button, i)
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if i==checked_index:
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button.setChecked(True)
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if on_clicked:
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group.buttonClicked.connect(partial(on_clicked, self))
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self.vbox = vbox
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def layout(self):
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return self.vbox
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def selected_index(self):
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return self.group.checkedId()
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def address_field(addresses):
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hbox = QHBoxLayout()
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address_e = QLineEdit()
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if addresses and len(addresses) > 0:
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address_e.setText(addresses[0])
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else:
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addresses = []
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def func():
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try:
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i = addresses.index(str(address_e.text())) + 1
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i = i % len(addresses)
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address_e.setText(addresses[i])
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except ValueError:
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# the user might have changed address_e to an
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# address not in the wallet (or to something that isn't an address)
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if addresses and len(addresses) > 0:
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address_e.setText(addresses[0])
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button = QPushButton(_('Address'))
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button.clicked.connect(func)
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hbox.addWidget(button)
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hbox.addWidget(address_e)
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return hbox, address_e
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def filename_field(parent, config, defaultname, select_msg):
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vbox = QVBoxLayout()
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vbox.addWidget(QLabel(_("Format")))
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gb = QGroupBox("format", parent)
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b1 = QRadioButton(gb)
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b1.setText(_("CSV"))
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b1.setChecked(True)
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b2 = QRadioButton(gb)
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b2.setText(_("json"))
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vbox.addWidget(b1)
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vbox.addWidget(b2)
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hbox = QHBoxLayout()
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directory = config.get('io_dir', os.path.expanduser('~'))
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path = os.path.join( directory, defaultname )
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filename_e = QLineEdit()
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filename_e.setText(path)
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def func():
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text = filename_e.text()
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_filter = "*.csv" if text.endswith(".csv") else "*.json" if text.endswith(".json") else None
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p, __ = QFileDialog.getSaveFileName(None, select_msg, text, _filter)
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if p:
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filename_e.setText(p)
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button = QPushButton(_('File'))
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button.clicked.connect(func)
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hbox.addWidget(button)
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hbox.addWidget(filename_e)
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vbox.addLayout(hbox)
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def set_csv(v):
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text = filename_e.text()
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text = text.replace(".json",".csv") if v else text.replace(".csv",".json")
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filename_e.setText(text)
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b1.clicked.connect(lambda: set_csv(True))
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b2.clicked.connect(lambda: set_csv(False))
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return vbox, filename_e, b1
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|
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class ElectrumItemDelegate(QStyledItemDelegate):
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|
def __init__(self, tv: 'MyTreeView'):
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super().__init__(tv)
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self.tv = tv
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self.opened = None
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|
def on_closeEditor(editor: QLineEdit, hint):
|
|
self.opened = None
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def on_commitData(editor: QLineEdit):
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new_text = editor.text()
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idx = QModelIndex(self.opened)
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row, col = idx.row(), idx.column()
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_prior_text, user_role = self.tv.text_txid_from_coordinate(row, col)
|
|
# check that we didn't forget to set UserRole on an editable field
|
|
assert user_role is not None, (row, col)
|
|
self.tv.on_edited(idx, user_role, new_text)
|
|
self.closeEditor.connect(on_closeEditor)
|
|
self.commitData.connect(on_commitData)
|
|
|
|
def createEditor(self, parent, option, idx):
|
|
self.opened = QPersistentModelIndex(idx)
|
|
return super().createEditor(parent, option, idx)
|
|
|
|
class MyTreeView(QTreeView):
|
|
ROLE_CLIPBOARD_DATA = Qt.UserRole + 100
|
|
|
|
def __init__(self, parent: 'ElectrumWindow', create_menu, *,
|
|
stretch_column=None, editable_columns=None):
|
|
super().__init__(parent)
|
|
self.parent = parent
|
|
self.config = self.parent.config
|
|
self.stretch_column = stretch_column
|
|
self.setContextMenuPolicy(Qt.CustomContextMenu)
|
|
self.customContextMenuRequested.connect(create_menu)
|
|
self.setUniformRowHeights(True)
|
|
|
|
# Control which columns are editable
|
|
if editable_columns is not None:
|
|
editable_columns = set(editable_columns)
|
|
elif stretch_column is not None:
|
|
editable_columns = {stretch_column}
|
|
else:
|
|
editable_columns = {}
|
|
self.editable_columns = editable_columns
|
|
self.setItemDelegate(ElectrumItemDelegate(self))
|
|
self.current_filter = ""
|
|
|
|
self.setRootIsDecorated(False) # remove left margin
|
|
self.toolbar_shown = False
|
|
|
|
# When figuring out the size of columns, Qt by default looks at
|
|
# the first 1000 rows (at least if resize mode is QHeaderView.ResizeToContents).
|
|
# This would be REALLY SLOW, and it's not perfect anyway.
|
|
# So to speed the UI up considerably, set it to
|
|
# only look at as many rows as currently visible.
|
|
self.header().setResizeContentsPrecision(0)
|
|
|
|
self._pending_update = False
|
|
self._forced_update = False
|
|
|
|
def set_editability(self, items):
|
|
for idx, i in enumerate(items):
|
|
i.setEditable(idx in self.editable_columns)
|
|
|
|
def selected_in_column(self, column: int):
|
|
items = self.selectionModel().selectedIndexes()
|
|
return list(x for x in items if x.column() == column)
|
|
|
|
def current_item_user_role(self, col) -> Any:
|
|
idx = self.selectionModel().currentIndex()
|
|
idx = idx.sibling(idx.row(), col)
|
|
item = self.model().itemFromIndex(idx)
|
|
if item:
|
|
return item.data(Qt.UserRole)
|
|
|
|
def set_current_idx(self, set_current: QPersistentModelIndex):
|
|
if set_current:
|
|
assert isinstance(set_current, QPersistentModelIndex)
|
|
assert set_current.isValid()
|
|
self.selectionModel().select(QModelIndex(set_current), QItemSelectionModel.SelectCurrent)
|
|
|
|
def update_headers(self, headers: Union[List[str], Dict[int, str]]):
|
|
# headers is either a list of column names, or a dict: (col_idx->col_name)
|
|
if not isinstance(headers, dict): # convert to dict
|
|
headers = dict(enumerate(headers))
|
|
col_names = [headers[col_idx] for col_idx in sorted(headers.keys())]
|
|
model = self.model()
|
|
model.setHorizontalHeaderLabels(col_names)
|
|
self.header().setStretchLastSection(False)
|
|
for col_idx in headers:
|
|
sm = QHeaderView.Stretch if col_idx == self.stretch_column else QHeaderView.ResizeToContents
|
|
self.header().setSectionResizeMode(col_idx, sm)
|
|
|
|
def keyPressEvent(self, event):
|
|
if self.itemDelegate().opened:
|
|
return
|
|
if event.key() in [ Qt.Key_F2, Qt.Key_Return ]:
|
|
self.on_activated(self.selectionModel().currentIndex())
|
|
return
|
|
super().keyPressEvent(event)
|
|
|
|
def on_activated(self, idx):
|
|
# on 'enter' we show the menu
|
|
pt = self.visualRect(idx).bottomLeft()
|
|
pt.setX(50)
|
|
self.customContextMenuRequested.emit(pt)
|
|
|
|
def edit(self, idx, trigger=QAbstractItemView.AllEditTriggers, event=None):
|
|
"""
|
|
this is to prevent:
|
|
edit: editing failed
|
|
from inside qt
|
|
"""
|
|
return super().edit(idx, trigger, event)
|
|
|
|
def on_edited(self, idx: QModelIndex, user_role, text):
|
|
self.parent.wallet.set_label(user_role, text)
|
|
self.parent.history_model.refresh('on_edited in MyTreeView')
|
|
self.parent.update_completions()
|
|
|
|
def should_hide(self, row):
|
|
"""
|
|
row_num is for self.model(). So if there is a proxy, it is the row number
|
|
in that!
|
|
"""
|
|
return False
|
|
|
|
def text_txid_from_coordinate(self, row_num, column):
|
|
assert not isinstance(self.model(), QSortFilterProxyModel)
|
|
idx = self.model().index(row_num, column)
|
|
item = self.model().itemFromIndex(idx)
|
|
user_role = item.data(Qt.UserRole)
|
|
return item.text(), user_role
|
|
|
|
def hide_row(self, row_num):
|
|
"""
|
|
row_num is for self.model(). So if there is a proxy, it is the row number
|
|
in that!
|
|
"""
|
|
should_hide = self.should_hide(row_num)
|
|
if not self.current_filter and should_hide is None:
|
|
# no filters at all, neither date nor search
|
|
self.setRowHidden(row_num, QModelIndex(), False)
|
|
return
|
|
for column in self.filter_columns:
|
|
txt, _ = self.text_txid_from_coordinate(row_num, column)
|
|
txt = txt.lower()
|
|
if self.current_filter in txt:
|
|
# the filter matched, but the date filter might apply
|
|
self.setRowHidden(row_num, QModelIndex(), bool(should_hide))
|
|
break
|
|
else:
|
|
# we did not find the filter in any columns, hide the item
|
|
self.setRowHidden(row_num, QModelIndex(), True)
|
|
|
|
def filter(self, p=None):
|
|
if p is not None:
|
|
p = p.lower()
|
|
self.current_filter = p
|
|
self.hide_rows()
|
|
|
|
def hide_rows(self):
|
|
for row in range(self.model().rowCount()):
|
|
self.hide_row(row)
|
|
|
|
def create_toolbar(self, config=None):
|
|
hbox = QHBoxLayout()
|
|
buttons = self.get_toolbar_buttons()
|
|
for b in buttons:
|
|
b.setVisible(False)
|
|
hbox.addWidget(b)
|
|
hide_button = QPushButton('x')
|
|
hide_button.setVisible(False)
|
|
hide_button.pressed.connect(lambda: self.show_toolbar(False, config))
|
|
self.toolbar_buttons = buttons + (hide_button,)
|
|
hbox.addStretch()
|
|
hbox.addWidget(hide_button)
|
|
return hbox
|
|
|
|
def save_toolbar_state(self, state, config):
|
|
pass # implemented in subclasses
|
|
|
|
def show_toolbar(self, state, config=None):
|
|
if state == self.toolbar_shown:
|
|
return
|
|
self.toolbar_shown = state
|
|
if config:
|
|
self.save_toolbar_state(state, config)
|
|
for b in self.toolbar_buttons:
|
|
b.setVisible(state)
|
|
if not state:
|
|
self.on_hide_toolbar()
|
|
|
|
def toggle_toolbar(self, config=None):
|
|
self.show_toolbar(not self.toolbar_shown, config)
|
|
|
|
def add_copy_menu(self, menu: QMenu, idx) -> QMenu:
|
|
cc = menu.addMenu(_("Copy"))
|
|
for column in self.Columns:
|
|
column_title = self.model().horizontalHeaderItem(column).text()
|
|
item_col = self.model().itemFromIndex(idx.sibling(idx.row(), column))
|
|
clipboard_data = item_col.data(self.ROLE_CLIPBOARD_DATA)
|
|
if clipboard_data is None:
|
|
clipboard_data = item_col.text().strip()
|
|
cc.addAction(column_title,
|
|
lambda text=clipboard_data, title=column_title:
|
|
self.place_text_on_clipboard(text, title=title))
|
|
return cc
|
|
|
|
def place_text_on_clipboard(self, text: str, *, title: str = None) -> None:
|
|
self.parent.do_copy(text, title=title)
|
|
|
|
def showEvent(self, e: 'QShowEvent'):
|
|
super().showEvent(e)
|
|
if e.isAccepted() and self._pending_update:
|
|
self._forced_update = True
|
|
self.update()
|
|
self._forced_update = False
|
|
|
|
def maybe_defer_update(self) -> bool:
|
|
"""Returns whether we should defer an update/refresh."""
|
|
defer = not self.isVisible() and not self._forced_update
|
|
# side-effect: if we decide to defer update, the state will become stale:
|
|
self._pending_update = defer
|
|
return defer
|
|
|
|
|
|
class ButtonsWidget(QWidget):
|
|
|
|
def __init__(self):
|
|
super(QWidget, self).__init__()
|
|
self.buttons = []
|
|
|
|
def resizeButtons(self):
|
|
frameWidth = self.style().pixelMetric(QStyle.PM_DefaultFrameWidth)
|
|
x = self.rect().right() - frameWidth - 10
|
|
y = self.rect().bottom() - frameWidth
|
|
for button in self.buttons:
|
|
sz = button.sizeHint()
|
|
x -= sz.width()
|
|
button.move(x, y - sz.height())
|
|
|
|
def addButton(self, icon_name, on_click, tooltip):
|
|
button = QToolButton(self)
|
|
button.setIcon(read_QIcon(icon_name))
|
|
button.setIconSize(QSize(25,25))
|
|
button.setCursor(QCursor(Qt.PointingHandCursor))
|
|
button.setStyleSheet("QToolButton { border: none; hover {border: 1px} pressed {border: 1px} padding: 0px; }")
|
|
button.setVisible(True)
|
|
button.setToolTip(tooltip)
|
|
button.clicked.connect(on_click)
|
|
self.buttons.append(button)
|
|
return button
|
|
|
|
def addCopyButton(self, app):
|
|
self.app = app
|
|
self.addButton("copy.png", self.on_copy, _("Copy to clipboard"))
|
|
|
|
def on_copy(self):
|
|
self.app.clipboard().setText(self.text())
|
|
QToolTip.showText(QCursor.pos(), _("Text copied to clipboard"), self)
|
|
|
|
class ButtonsLineEdit(QLineEdit, ButtonsWidget):
|
|
def __init__(self, text=None):
|
|
QLineEdit.__init__(self, text)
|
|
self.buttons = []
|
|
|
|
def resizeEvent(self, e):
|
|
o = QLineEdit.resizeEvent(self, e)
|
|
self.resizeButtons()
|
|
return o
|
|
|
|
class ButtonsTextEdit(QPlainTextEdit, ButtonsWidget):
|
|
def __init__(self, text=None):
|
|
QPlainTextEdit.__init__(self, text)
|
|
self.setText = self.setPlainText
|
|
self.text = self.toPlainText
|
|
self.buttons = []
|
|
|
|
def resizeEvent(self, e):
|
|
o = QPlainTextEdit.resizeEvent(self, e)
|
|
self.resizeButtons()
|
|
return o
|
|
|
|
|
|
class PasswordLineEdit(QLineEdit):
|
|
def __init__(self, *args, **kwargs):
|
|
QLineEdit.__init__(self, *args, **kwargs)
|
|
self.setEchoMode(QLineEdit.Password)
|
|
|
|
def clear(self):
|
|
# Try to actually overwrite the memory.
|
|
# This is really just a best-effort thing...
|
|
self.setText(len(self.text()) * " ")
|
|
super().clear()
|
|
|
|
|
|
class TaskThread(QThread):
|
|
'''Thread that runs background tasks. Callbacks are guaranteed
|
|
to happen in the context of its parent.'''
|
|
|
|
class Task(NamedTuple):
|
|
task: Callable
|
|
cb_success: Optional[Callable]
|
|
cb_done: Optional[Callable]
|
|
cb_error: Optional[Callable]
|
|
|
|
doneSig = pyqtSignal(object, object, object)
|
|
|
|
def __init__(self, parent, on_error=None):
|
|
super(TaskThread, self).__init__(parent)
|
|
self.on_error = on_error
|
|
self.tasks = queue.Queue()
|
|
self.doneSig.connect(self.on_done)
|
|
self.start()
|
|
|
|
def add(self, task, on_success=None, on_done=None, on_error=None):
|
|
on_error = on_error or self.on_error
|
|
self.tasks.put(TaskThread.Task(task, on_success, on_done, on_error))
|
|
|
|
def run(self):
|
|
while True:
|
|
task = self.tasks.get() # type: TaskThread.Task
|
|
if not task:
|
|
break
|
|
try:
|
|
result = task.task()
|
|
self.doneSig.emit(result, task.cb_done, task.cb_success)
|
|
except BaseException:
|
|
self.doneSig.emit(sys.exc_info(), task.cb_done, task.cb_error)
|
|
|
|
def on_done(self, result, cb_done, cb_result):
|
|
# This runs in the parent's thread.
|
|
if cb_done:
|
|
cb_done()
|
|
if cb_result:
|
|
cb_result(result)
|
|
|
|
def stop(self):
|
|
self.tasks.put(None)
|
|
|
|
|
|
class ColorSchemeItem:
|
|
def __init__(self, fg_color, bg_color):
|
|
self.colors = (fg_color, bg_color)
|
|
|
|
def _get_color(self, background):
|
|
return self.colors[(int(background) + int(ColorScheme.dark_scheme)) % 2]
|
|
|
|
def as_stylesheet(self, background=False):
|
|
css_prefix = "background-" if background else ""
|
|
color = self._get_color(background)
|
|
return "QWidget {{ {}color:{}; }}".format(css_prefix, color)
|
|
|
|
def as_color(self, background=False):
|
|
color = self._get_color(background)
|
|
return QColor(color)
|
|
|
|
|
|
class ColorScheme:
|
|
dark_scheme = False
|
|
|
|
GREEN = ColorSchemeItem("#117c11", "#8af296")
|
|
YELLOW = ColorSchemeItem("#897b2a", "#ffff00")
|
|
RED = ColorSchemeItem("#7c1111", "#f18c8c")
|
|
BLUE = ColorSchemeItem("#123b7c", "#8cb3f2")
|
|
DEFAULT = ColorSchemeItem("black", "white")
|
|
|
|
@staticmethod
|
|
def has_dark_background(widget):
|
|
brightness = sum(widget.palette().color(QPalette.Background).getRgb()[0:3])
|
|
return brightness < (255*3/2)
|
|
|
|
@staticmethod
|
|
def update_from_widget(widget, force_dark=False):
|
|
if force_dark or ColorScheme.has_dark_background(widget):
|
|
ColorScheme.dark_scheme = True
|
|
|
|
|
|
class AcceptFileDragDrop:
|
|
def __init__(self, file_type=""):
|
|
assert isinstance(self, QWidget)
|
|
self.setAcceptDrops(True)
|
|
self.file_type = file_type
|
|
|
|
def validateEvent(self, event):
|
|
if not event.mimeData().hasUrls():
|
|
event.ignore()
|
|
return False
|
|
for url in event.mimeData().urls():
|
|
if not url.toLocalFile().endswith(self.file_type):
|
|
event.ignore()
|
|
return False
|
|
event.accept()
|
|
return True
|
|
|
|
def dragEnterEvent(self, event):
|
|
self.validateEvent(event)
|
|
|
|
def dragMoveEvent(self, event):
|
|
if self.validateEvent(event):
|
|
event.setDropAction(Qt.CopyAction)
|
|
|
|
def dropEvent(self, event):
|
|
if self.validateEvent(event):
|
|
for url in event.mimeData().urls():
|
|
self.onFileAdded(url.toLocalFile())
|
|
|
|
def onFileAdded(self, fn):
|
|
raise NotImplementedError()
|
|
|
|
|
|
def import_meta_gui(electrum_window, title, importer, on_success):
|
|
filter_ = "JSON (*.json);;All files (*)"
|
|
filename = electrum_window.getOpenFileName(_("Open {} file").format(title), filter_)
|
|
if not filename:
|
|
return
|
|
try:
|
|
importer(filename)
|
|
except FileImportFailed as e:
|
|
electrum_window.show_critical(str(e))
|
|
else:
|
|
electrum_window.show_message(_("Your {} were successfully imported").format(title))
|
|
on_success()
|
|
|
|
|
|
def export_meta_gui(electrum_window, title, exporter):
|
|
filter_ = "JSON (*.json);;All files (*)"
|
|
filename = electrum_window.getSaveFileName(_("Select file to save your {}").format(title),
|
|
'electrum_{}.json'.format(title), filter_)
|
|
if not filename:
|
|
return
|
|
try:
|
|
exporter(filename)
|
|
except FileExportFailed as e:
|
|
electrum_window.show_critical(str(e))
|
|
else:
|
|
electrum_window.show_message(_("Your {0} were exported to '{1}'")
|
|
.format(title, str(filename)))
|
|
|
|
|
|
def get_parent_main_window(widget):
|
|
"""Returns a reference to the ElectrumWindow this widget belongs to."""
|
|
from .main_window import ElectrumWindow
|
|
from .transaction_dialog import TxDialog
|
|
for _ in range(100):
|
|
if widget is None:
|
|
return None
|
|
if isinstance(widget, ElectrumWindow):
|
|
return widget
|
|
elif isinstance(widget, TxDialog):
|
|
return widget.main_window
|
|
else:
|
|
widget = widget.parentWidget()
|
|
return None
|
|
|
|
|
|
def icon_path(icon_basename):
|
|
return resource_path('gui', 'icons', icon_basename)
|
|
|
|
|
|
@lru_cache(maxsize=1000)
|
|
def read_QIcon(icon_basename):
|
|
return QIcon(icon_path(icon_basename))
|
|
|
|
|
|
def get_default_language():
|
|
name = QLocale.system().name()
|
|
return name if name in languages else 'en_UK'
|
|
|
|
|
|
def char_width_in_lineedit() -> int:
|
|
char_width = QFontMetrics(QLineEdit().font()).averageCharWidth()
|
|
# 'averageCharWidth' seems to underestimate on Windows, hence 'max()'
|
|
return max(9, char_width)
|
|
|
|
|
|
def webopen(url: str):
|
|
if sys.platform == 'linux' and os.environ.get('APPIMAGE'):
|
|
# When on Linux webbrowser.open can fail in AppImage because it can't find the correct libdbus.
|
|
# We just fork the process and unset LD_LIBRARY_PATH before opening the URL.
|
|
# See #5425
|
|
if os.fork() == 0:
|
|
del os.environ['LD_LIBRARY_PATH']
|
|
webbrowser.open(url)
|
|
sys.exit(0)
|
|
else:
|
|
webbrowser.open(url)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
app = QApplication([])
|
|
t = WaitingDialog(None, 'testing ...', lambda: [time.sleep(1)], lambda x: QMessageBox.information(None, 'done', "done"))
|
|
t.start()
|
|
app.exec_()
|