333 lines
12 KiB
Python
333 lines
12 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Electrum - lightweight Bitcoin client
|
|
# Copyright (C) 2012 thomasv@gitorious
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person
|
|
# obtaining a copy of this software and associated documentation files
|
|
# (the "Software"), to deal in the Software without restriction,
|
|
# including without limitation the rights to use, copy, modify, merge,
|
|
# publish, distribute, sublicense, and/or sell copies of the Software,
|
|
# and to permit persons to whom the Software is furnished to do so,
|
|
# subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be
|
|
# included in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
|
|
from functools import partial
|
|
from typing import Optional, TYPE_CHECKING
|
|
|
|
from PyQt6.QtCore import Qt, QTimer, QSize, QStringListModel
|
|
from PyQt6.QtCore import pyqtSignal
|
|
from PyQt6.QtGui import QFontMetrics, QFont
|
|
from PyQt6.QtWidgets import QTextEdit, QWidget, QLineEdit, QStackedLayout, QCompleter
|
|
|
|
from electrum.payment_identifier import PaymentIdentifier
|
|
from electrum.logging import Logger
|
|
from electrum.util import EventListener, event_listener
|
|
|
|
from . import util
|
|
from .util import MONOSPACE_FONT, GenericInputHandler, editor_contextMenuEvent, ColorScheme
|
|
|
|
if TYPE_CHECKING:
|
|
from .send_tab import SendTab
|
|
|
|
|
|
frozen_style = "QWidget {border:none;}"
|
|
normal_style = "QPlainTextEdit { }"
|
|
|
|
|
|
class InvalidPaymentIdentifier(Exception):
|
|
pass
|
|
|
|
|
|
class ResizingTextEdit(QTextEdit):
|
|
|
|
textReallyChanged = pyqtSignal()
|
|
resized = pyqtSignal()
|
|
|
|
def __init__(self):
|
|
QTextEdit.__init__(self)
|
|
self._text = ''
|
|
self.setAcceptRichText(False)
|
|
self.textChanged.connect(self.on_text_changed)
|
|
document = self.document()
|
|
fontMetrics = QFontMetrics(document.defaultFont())
|
|
self.fontSpacing = fontMetrics.lineSpacing()
|
|
margins = self.contentsMargins()
|
|
documentMargin = document.documentMargin()
|
|
self.verticalMargins = margins.top() + margins.bottom()
|
|
self.verticalMargins += self.frameWidth() * 2
|
|
self.verticalMargins += documentMargin * 2
|
|
self.heightMin = self.fontSpacing + self.verticalMargins
|
|
self.heightMax = (self.fontSpacing * 10) + self.verticalMargins
|
|
self.update_size()
|
|
|
|
def on_text_changed(self):
|
|
# QTextEdit emits spurious textChanged events
|
|
if self.toPlainText() != self._text:
|
|
self._text = self.toPlainText()
|
|
self.textReallyChanged.emit()
|
|
self.update_size()
|
|
|
|
def update_size(self):
|
|
docLineCount = self.document().lineCount()
|
|
docHeight = max(3, docLineCount) * self.fontSpacing
|
|
h = docHeight + self.verticalMargins
|
|
h = min(max(h, self.heightMin), self.heightMax)
|
|
self.setMinimumHeight(int(h))
|
|
self.setMaximumHeight(int(h))
|
|
self.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAsNeeded)
|
|
self.verticalScrollBar().setHidden(docHeight + self.verticalMargins < self.heightMax)
|
|
self.setLineWrapMode(QTextEdit.LineWrapMode.WidgetWidth)
|
|
self.resized.emit()
|
|
|
|
def sizeHint(self) -> QSize:
|
|
return QSize(0, self.minimumHeight())
|
|
|
|
|
|
class PayToEdit(QWidget, Logger, GenericInputHandler, EventListener):
|
|
paymentIdentifierChanged = pyqtSignal()
|
|
textChanged = pyqtSignal()
|
|
|
|
def __init__(self, send_tab: 'SendTab'):
|
|
QWidget.__init__(self, parent=send_tab)
|
|
Logger.__init__(self)
|
|
GenericInputHandler.__init__(self)
|
|
|
|
self._text = ''
|
|
self._layout = QStackedLayout()
|
|
self.setLayout(self._layout)
|
|
|
|
self.send_tab = send_tab
|
|
|
|
def text_edit_changed():
|
|
text = self.text_edit.toPlainText()
|
|
if self._text != text:
|
|
# sync and emit
|
|
self._text = text
|
|
self.line_edit.setText(text)
|
|
self.textChanged.emit()
|
|
|
|
def text_edit_resized():
|
|
self.update_height()
|
|
|
|
def line_edit_changed():
|
|
text = self.line_edit.text()
|
|
if self._text != text:
|
|
# sync and emit
|
|
self._text = text
|
|
self.text_edit.setPlainText(text)
|
|
self.textChanged.emit()
|
|
|
|
self.line_edit = QLineEdit()
|
|
self.line_edit.textChanged.connect(line_edit_changed)
|
|
self.text_edit = ResizingTextEdit()
|
|
self.text_edit.setTabChangesFocus(True)
|
|
self.text_edit.textReallyChanged.connect(text_edit_changed)
|
|
self.text_edit.resized.connect(text_edit_resized)
|
|
|
|
def on_completed(item: str):
|
|
text = self._completer_contacts[1][self._completer_contacts[0].index(item)]
|
|
self.try_payment_identifier(text)
|
|
self.completer.popup().hide()
|
|
|
|
self.completer = QCompleter()
|
|
self.completer.setCompletionMode(QCompleter.CompletionMode.PopupCompletion)
|
|
self.completer.setCaseSensitivity(Qt.CaseSensitivity.CaseInsensitive)
|
|
self.completer.setFilterMode(Qt.MatchFlag.MatchContains)
|
|
self.completer.activated.connect(on_completed)
|
|
|
|
self.update_completer()
|
|
|
|
self.line_edit.setCompleter(self.completer)
|
|
|
|
self.textChanged.connect(self._handle_text_change)
|
|
|
|
self._layout.addWidget(self.line_edit)
|
|
self._layout.addWidget(self.text_edit)
|
|
|
|
self.multiline = False
|
|
|
|
self._is_paytomany = False
|
|
self.line_edit.setFont(QFont(MONOSPACE_FONT))
|
|
self.text_edit.setFont(QFont(MONOSPACE_FONT))
|
|
self.send_tab = send_tab
|
|
self.config = send_tab.config
|
|
|
|
# button handlers
|
|
self.on_qr_from_camera_input_btn = partial(
|
|
self.input_qr_from_camera,
|
|
config=self.config,
|
|
allow_multi=False,
|
|
show_error=self.send_tab.show_error,
|
|
setText=self.try_payment_identifier,
|
|
parent=self.send_tab.window,
|
|
)
|
|
self.on_qr_from_screenshot_input_btn = partial(
|
|
self.input_qr_from_screenshot,
|
|
allow_multi=False,
|
|
show_error=self.send_tab.show_error,
|
|
setText=self.try_payment_identifier,
|
|
)
|
|
self.on_qr_from_file_input_btn = partial(
|
|
self.input_qr_from_file,
|
|
allow_multi=False,
|
|
config=self.config,
|
|
show_error=self.send_tab.show_error,
|
|
setText=self.try_payment_identifier,
|
|
)
|
|
self.on_input_file = partial(
|
|
self.input_file,
|
|
config=self.config,
|
|
show_error=self.send_tab.show_error,
|
|
setText=self.try_payment_identifier,
|
|
)
|
|
|
|
self.text_edit.contextMenuEvent = partial(editor_contextMenuEvent, self.text_edit, self)
|
|
self.line_edit.contextMenuEvent = partial(editor_contextMenuEvent, self.line_edit, self)
|
|
|
|
self.edit_timer = QTimer(self)
|
|
self.edit_timer.setSingleShot(True)
|
|
self.edit_timer.setInterval(1000)
|
|
self.edit_timer.timeout.connect(self._on_edit_timer)
|
|
|
|
self.payment_identifier = None # type: Optional[PaymentIdentifier]
|
|
|
|
self.register_callbacks()
|
|
self.destroyed.connect(lambda: self.unregister_callbacks())
|
|
|
|
@event_listener
|
|
def on_event_contacts_updated(self):
|
|
self.update_completer()
|
|
|
|
def update_completer(self):
|
|
self._completer_contacts = [], []
|
|
for k, v in self.send_tab.wallet.contacts.items():
|
|
self._completer_contacts[0].append(f'{v[1]} <{k}>')
|
|
self._completer_contacts[1].append(k)
|
|
|
|
self.completer.setModel(QStringListModel(self._completer_contacts[0]))
|
|
|
|
@property
|
|
def multiline(self):
|
|
return self._multiline
|
|
|
|
@multiline.setter
|
|
def multiline(self, b: bool) -> None:
|
|
if b is None:
|
|
return
|
|
self._multiline = b
|
|
self._layout.setCurrentWidget(self.text_edit if b else self.line_edit)
|
|
self.update_height()
|
|
|
|
def update_height(self) -> None:
|
|
h = self._layout.currentWidget().sizeHint().height()
|
|
self.setMaximumHeight(h)
|
|
|
|
def setText(self, text: str) -> None:
|
|
if self._text != text:
|
|
self.line_edit.setText(text)
|
|
self.text_edit.setText(text)
|
|
|
|
def setFocus(self, reason=Qt.FocusReason.OtherFocusReason) -> None:
|
|
if self.multiline:
|
|
self.text_edit.setFocus(reason)
|
|
else:
|
|
self.line_edit.setFocus(reason)
|
|
|
|
def setToolTip(self, tt: str) -> None:
|
|
self.line_edit.setToolTip(tt)
|
|
self.text_edit.setToolTip(tt)
|
|
|
|
def try_payment_identifier(self, text) -> None:
|
|
'''set payment identifier only if valid, else exception'''
|
|
pi = PaymentIdentifier(self.send_tab.wallet, text)
|
|
if not pi.is_valid():
|
|
raise InvalidPaymentIdentifier('Invalid payment identifier')
|
|
self.set_payment_identifier(text)
|
|
|
|
def set_payment_identifier(self, text) -> None:
|
|
if self.payment_identifier and self.payment_identifier.text == text.strip():
|
|
# no change.
|
|
return
|
|
|
|
self.payment_identifier = PaymentIdentifier(self.send_tab.wallet, text)
|
|
|
|
# toggle to multiline if payment identifier is a multiline
|
|
if self.payment_identifier.is_multiline() and not self._is_paytomany:
|
|
self.set_paytomany(True)
|
|
|
|
# if payment identifier gets set externally, we want to update the edit control
|
|
# Note: this triggers the change handler, but we shortcut if it's the same payment identifier
|
|
self.setText(text)
|
|
|
|
self.paymentIdentifierChanged.emit()
|
|
|
|
def set_paytomany(self, b):
|
|
self._is_paytomany = b
|
|
self.multiline = b
|
|
self.send_tab.paytomany_menu.setChecked(b)
|
|
|
|
def toggle_paytomany(self) -> None:
|
|
self.set_paytomany(not self._is_paytomany)
|
|
|
|
def is_paytomany(self):
|
|
return self._is_paytomany
|
|
|
|
def setReadOnly(self, b: bool) -> None:
|
|
self.line_edit.setReadOnly(b)
|
|
self.text_edit.setReadOnly(b)
|
|
|
|
def isReadOnly(self):
|
|
return self.line_edit.isReadOnly()
|
|
|
|
def setStyleSheet(self, stylesheet: str) -> None:
|
|
self.line_edit.setStyleSheet(stylesheet)
|
|
self.text_edit.setStyleSheet(stylesheet)
|
|
|
|
def setFrozen(self, b) -> None:
|
|
self.setReadOnly(b)
|
|
self.setStyleSheet(ColorScheme.LIGHTBLUE.as_stylesheet(True) if b else '')
|
|
|
|
def isFrozen(self):
|
|
return self.isReadOnly()
|
|
|
|
def do_clear(self) -> None:
|
|
self.set_paytomany(False)
|
|
self.setText('')
|
|
self.setToolTip('')
|
|
self.payment_identifier = None
|
|
|
|
def setGreen(self) -> None:
|
|
self.setStyleSheet(util.ColorScheme.GREEN.as_stylesheet(True))
|
|
|
|
def setExpired(self) -> None:
|
|
self.setStyleSheet(util.ColorScheme.RED.as_stylesheet(True))
|
|
|
|
def _handle_text_change(self) -> None:
|
|
if self.isFrozen():
|
|
# if editor is frozen, we ignore text changes as they might not be a payment identifier
|
|
# but a user friendly representation.
|
|
return
|
|
|
|
# pushback timer if timer active or PI needs resolving
|
|
pi = PaymentIdentifier(self.send_tab.wallet, self._text)
|
|
if not pi.is_valid() or pi.need_resolve() or self.edit_timer.isActive():
|
|
self.edit_timer.start()
|
|
else:
|
|
self.set_payment_identifier(self._text)
|
|
|
|
def _on_edit_timer(self) -> None:
|
|
if not self.isFrozen():
|
|
self.set_payment_identifier(self._text)
|