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867 lines
38 KiB
867 lines
38 KiB
''' |
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Revealer |
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Do you have something to hide? |
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Secret backup plug-in for the electrum wallet. |
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|
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Copyright: |
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2017 Tiago Romagnani Silveira |
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2023 Soren Stoutner <soren@debian.org> |
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Distributed under the MIT software license, see the accompanying |
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file LICENCE or http://www.opensource.org/licenses/mit-license.php |
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''' |
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|
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import os |
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import random |
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import traceback |
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from decimal import Decimal |
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from functools import partial |
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import sys |
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|
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import qrcode |
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from PyQt5.QtPrintSupport import QPrinter |
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from PyQt5.QtCore import Qt, QRectF, QRect, QSizeF, QUrl, QPoint, QSize |
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from PyQt5.QtGui import (QPixmap, QImage, QBitmap, QPainter, QFontDatabase, QPen, QFont, |
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QColor, QDesktopServices, qRgba, QPainterPath) |
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from PyQt5.QtWidgets import (QGridLayout, QVBoxLayout, QHBoxLayout, QLabel, |
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QPushButton, QLineEdit) |
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|
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from electrum.plugin import hook |
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from electrum.i18n import _ |
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from electrum.util import make_dir, InvalidPassword, UserCancelled |
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from electrum.gui.qt.util import (read_QIcon, EnterButton, WWLabel, icon_path, |
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WindowModalDialog, Buttons, CloseButton, OkButton) |
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from electrum.gui.qt.qrtextedit import ScanQRTextEdit |
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from electrum.gui.qt.main_window import StatusBarButton |
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|
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from .revealer import RevealerPlugin |
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|
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class Plugin(RevealerPlugin): |
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|
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MAX_PLAINTEXT_LEN = 189 # chars |
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|
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def __init__(self, parent, config, name): |
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RevealerPlugin.__init__(self, parent, config, name) |
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self.base_dir = os.path.join(config.electrum_path(), 'revealer') |
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|
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if self.config.get('calibration_h') is None: |
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self.config.set_key('calibration_h', 0) |
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if self.config.get('calibration_v') is None: |
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self.config.set_key('calibration_v', 0) |
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|
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self.calibration_h = self.config.get('calibration_h') |
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self.calibration_v = self.config.get('calibration_v') |
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|
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self.f_size = QSize(1014*2, 642*2) |
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self.abstand_h = 21 |
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self.abstand_v = 34 |
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self.calibration_noise = int('10' * 128) |
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self.rawnoise = False |
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make_dir(self.base_dir) |
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|
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self.extension = False |
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|
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@hook |
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def create_status_bar(self, sb): |
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b = StatusBarButton(read_QIcon('revealer.png'), "Revealer "+_("Visual Cryptography Plugin"), |
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partial(self.setup_dialog, sb), sb.height()) |
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sb.addPermanentWidget(b) |
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|
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def requires_settings(self): |
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return True |
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|
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def settings_widget(self, window): |
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return EnterButton(_('Printer Calibration'), partial(self.calibration_dialog, window)) |
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|
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def password_dialog(self, msg=None, parent=None): |
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from electrum.gui.qt.password_dialog import PasswordDialog |
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parent = parent or self |
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d = PasswordDialog(parent, msg) |
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return d.run() |
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|
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def get_seed(self): |
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password = None |
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if self.wallet.has_keystore_encryption(): |
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password = self.password_dialog(parent=self.d.parent()) |
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if not password: |
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raise UserCancelled() |
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|
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keystore = self.wallet.get_keystore() |
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if not keystore or not keystore.has_seed(): |
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return |
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self.extension = bool(keystore.get_passphrase(password)) |
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return keystore.get_seed(password) |
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|
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def setup_dialog(self, window): |
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self.wallet = window.parent().wallet |
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self.update_wallet_name(self.wallet) |
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self.user_input = False |
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|
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self.d = WindowModalDialog(window, "Revealer Visual Cryptography Plugin - Select Noise File") |
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self.d.setContentsMargins(11,11,1,1) |
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|
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# Create an HBox layout. The logo will be on the left and the rest of the dialog on the right. |
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hbox_layout = QHBoxLayout(self.d) |
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|
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# Create the logo label. |
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logo_label = QLabel() |
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|
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# Set the logo label pixmap. |
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logo_label.setPixmap(QPixmap(icon_path('revealer.png'))) |
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|
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# Align the logo label to the top left. |
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logo_label.setAlignment(Qt.AlignLeft) |
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|
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# Create a VBox layout for the main contents of the dialog. |
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vbox_layout = QVBoxLayout() |
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|
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# Populate the HBox layout with spacing between the two columns. |
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hbox_layout.addWidget(logo_label) |
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hbox_layout.addSpacing(16) |
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hbox_layout.addLayout(vbox_layout) |
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|
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# Create the labels. |
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create_or_load_noise_file_label = QLabel(_("To encrypt a secret, you must first create or load a noise file.")) |
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instructions_label = QLabel(_("Click the button above or type an existing revealer code in the box below.")) |
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|
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# Allow users to select text in the labels. |
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create_or_load_noise_file_label.setTextInteractionFlags(Qt.TextSelectableByMouse) |
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instructions_label.setTextInteractionFlags(Qt.TextSelectableByMouse) |
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|
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# Create the buttons. |
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create_button = QPushButton(_("Create a new Revealer noise file")) |
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self.next_button = QPushButton(_("Next"), self.d) |
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|
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# Calculate the desired width of the create button |
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create_button_width = create_button.fontMetrics().boundingRect(create_button.text()).width() + 40 |
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|
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# Set the create button width. |
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create_button.setMaximumWidth(create_button_width) |
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|
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# Set the create button to be the default. |
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create_button.setDefault(True) |
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|
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# Initially disable the next button. |
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self.next_button.setEnabled(False) |
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|
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# Define the create noise file function. |
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def create_noise_file(): |
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try: |
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self.make_digital(self.d) |
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except Exception: |
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self.logger.exception('') |
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else: |
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self.cypherseed_dialog(window) |
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|
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# Handle clicks on the buttons. |
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create_button.clicked.connect(create_noise_file) |
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self.next_button.clicked.connect(self.d.close) |
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self.next_button.clicked.connect(partial(self.cypherseed_dialog, window)) |
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|
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# Create the noise scan QR text edit. |
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self.noise_scan_qr_textedit = ScanQRTextEdit(config=self.config) |
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|
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# Make tabs change focus from the text edit instead of inserting a tab into the field. |
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self.noise_scan_qr_textedit.setTabChangesFocus(True) |
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|
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# Update the UI when the text changes. |
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self.noise_scan_qr_textedit.textChanged.connect(self.on_edit) |
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|
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# Populate the VBox layout. |
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vbox_layout.addWidget(create_or_load_noise_file_label) |
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vbox_layout.addWidget(create_button, alignment=Qt.AlignCenter) |
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vbox_layout.addWidget(instructions_label) |
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vbox_layout.addWidget(self.noise_scan_qr_textedit) |
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vbox_layout.addLayout(Buttons(self.next_button)) |
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|
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# Add stretches to the end of the layouts to prevent the contents from spreading when the dialog is enlarged. |
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hbox_layout.addStretch(1) |
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vbox_layout.addStretch(1) |
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|
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return bool(self.d.exec_()) |
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|
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def get_noise(self): |
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# Get the text from the scan QR text edit. |
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text = self.noise_scan_qr_textedit.text() |
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return ''.join(text.split()).lower() |
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|
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def on_edit(self): |
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txt = self.get_noise() |
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versioned_seed = self.get_versioned_seed_from_user_input(txt) |
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if versioned_seed: |
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self.versioned_seed = versioned_seed |
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self.user_input = bool(versioned_seed) |
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self.next_button.setEnabled(bool(versioned_seed)) |
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|
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def make_digital(self, dialog): |
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self.make_rawnoise(True) |
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self.bdone(dialog) |
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self.d.close() |
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|
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def get_path_to_revealer_file(self, ext: str= '') -> str: |
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version = self.versioned_seed.version |
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code_id = self.versioned_seed.checksum |
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filename = self.filename_prefix + version + "_" + code_id + ext |
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path = os.path.join(self.base_dir, filename) |
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return os.path.normcase(os.path.abspath(path)) |
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|
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def get_path_to_calibration_file(self): |
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path = os.path.join(self.base_dir, 'calibration.pdf') |
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return os.path.normcase(os.path.abspath(path)) |
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|
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def bcrypt(self, dialog): |
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self.rawnoise = False |
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version = self.versioned_seed.version |
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code_id = self.versioned_seed.checksum |
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dialog.show_message(''.join([_("{} encrypted for Revealer {}_{} saved as PNG and PDF at: ").format(self.was, version, code_id), |
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"<b>", self.get_path_to_revealer_file(), "</b>", "<br/>", |
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"<br/>", "<b>", _("Always check your backups.")]), |
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rich_text=True) |
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dialog.close() |
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|
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def ext_warning(self, dialog): |
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dialog.show_message(''.join(["<b>",_("Warning"), ": </b>", |
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_("your seed extension will <b>not</b> be included in the encrypted backup.")]), |
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rich_text=True) |
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dialog.close() |
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|
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def bdone(self, dialog): |
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version = self.versioned_seed.version |
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code_id = self.versioned_seed.checksum |
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dialog.show_message(''.join([_("Digital Revealer ({}_{}) saved as PNG and PDF at:").format(version, code_id), |
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"<br/>","<b>", self.get_path_to_revealer_file(), '</b>']), |
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rich_text=True) |
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def customtxt_limits(self): |
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txt = self.custom_secret_scan_qr_textedit.text() |
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self.custom_secret_character_count_label.setText(f"({len(txt)}/{self.MAX_PLAINTEXT_LEN})") |
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|
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# Hide the custom secret maximum characters warning label. |
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self.custom_secret_maximum_characters_warning_label.setVisible(False) |
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|
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# Update the status of the encrypt custom secret button. |
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self.encrypt_custom_secret_button.setEnabled(len(txt)>0) |
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|
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# Check to make sure the length of the text has not exceeded the limit. |
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if len(txt) > self.MAX_PLAINTEXT_LEN: |
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# Truncate the text to the maximum limit. |
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self.custom_secret_scan_qr_textedit.setPlainText(txt[:self.MAX_PLAINTEXT_LEN]) |
|
|
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# Get the text cursor. |
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textCursor = self.custom_secret_scan_qr_textedit.textCursor() |
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|
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# Move the cursor position to the end (setting the text above automatically moves the cursor to the beginning, which is undesirable) |
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textCursor.movePosition(textCursor.End) |
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|
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# Set the text cursor with the corrected position. |
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self.custom_secret_scan_qr_textedit.setTextCursor(textCursor) |
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|
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# Display the custom secret maximum characters warning label. |
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self.custom_secret_maximum_characters_warning_label.setVisible(True) |
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|
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def t(self): |
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self.txt = self.custom_secret_scan_qr_textedit.text() |
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self.seed_img(is_seed=False) |
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|
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def warn_old_revealer(self): |
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if self.versioned_seed.version == '0': |
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link = "https://revealer.cc/revealer-warning-and-upgrade/" |
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self.d.show_warning(("<b>{warning}: </b>{ver0}<br>" |
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"{url}<br>" |
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"{risk}") |
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.format(warning=_("Warning"), |
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ver0=_("Revealers starting with 0 are not secure due to a vulnerability."), |
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url=_("More info at: {}").format(f'<a href="{link}">{link}</a>'), |
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risk=_("Proceed at your own risk.")), |
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rich_text=True) |
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|
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def cypherseed_dialog(self, window): |
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self.warn_old_revealer() |
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|
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d = WindowModalDialog(window, "Revealer Visual Cryptography Plugin - Encryption Data") |
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d.setContentsMargins(11, 11, 1, 1) |
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self.c_dialog = d |
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|
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# Create an HBox layout. The logo will be on the left and the rest of the dialog on the right. |
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hbox_layout = QHBoxLayout(d) |
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|
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# Create the logo label. |
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logo_label = QLabel() |
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|
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# Set the logo label pixmap. |
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logo_label.setPixmap(QPixmap(icon_path('revealer.png'))) |
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|
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# Align the logo label to the top left. |
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logo_label.setAlignment(Qt.AlignLeft) |
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|
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# Create a VBox layout for the main contents of the dialog. |
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vbox_layout = QVBoxLayout() |
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|
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# Populate the HBox layout. |
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hbox_layout.addWidget(logo_label) |
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hbox_layout.addSpacing(16) |
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hbox_layout.addLayout(vbox_layout) |
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|
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# Create the labels. |
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ready_to_encrypt_label = QLabel(_("Ready to encrypt for revealer {}.").format(self.versioned_seed.version+'_'+self.versioned_seed.checksum)) |
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instructions_label = QLabel(_("Click the button above to encrypt the seed or type a custom alphanumerical secret below.")) |
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self.custom_secret_character_count_label = QLabel(f"(0/{self.MAX_PLAINTEXT_LEN})") |
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self.custom_secret_maximum_characters_warning_label = QLabel("<font color='red'>" |
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+ _("This version supports a maximum of {} characters.").format(self.MAX_PLAINTEXT_LEN) |
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+"</font>") |
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one_time_pad_warning_label = QLabel("<b>" + _("Warning ") + "</b>: " + _("each Revealer is a one-time-pad, use it for a single secret.")) |
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|
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# Allow users to select text in the labels. |
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ready_to_encrypt_label.setTextInteractionFlags(Qt.TextSelectableByMouse) |
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instructions_label.setTextInteractionFlags(Qt.TextSelectableByMouse) |
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self.custom_secret_character_count_label.setTextInteractionFlags(Qt.TextSelectableByMouse) |
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self.custom_secret_maximum_characters_warning_label |
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one_time_pad_warning_label.setTextInteractionFlags(Qt.TextSelectableByMouse) |
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|
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# Align the custom secret character count label to the right. |
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self.custom_secret_character_count_label.setAlignment(Qt.AlignRight) |
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|
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# Initially hide the custom secret character count label. |
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self.custom_secret_maximum_characters_warning_label.setVisible(False) |
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|
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# Create the buttons. |
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encrypt_seed_button = QPushButton(_("Encrypt {}'s seed").format(self.wallet_name)) |
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self.encrypt_custom_secret_button = QPushButton(_("Encrypt custom secret")) |
|
|
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# Calculate the desired width of the buttons. |
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encrypt_seed_button_width = encrypt_seed_button.fontMetrics().boundingRect(encrypt_seed_button.text()).width() + 40 |
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encrypt_custom_secret_button_width = self.encrypt_custom_secret_button.fontMetrics().boundingRect(self.encrypt_custom_secret_button.text()).width() + 40 |
|
|
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# Set the button widths. |
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encrypt_seed_button.setMaximumWidth(encrypt_seed_button_width) |
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self.encrypt_custom_secret_button.setMaximumWidth(encrypt_custom_secret_button_width) |
|
|
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# Set the encrypt seed button to be the default. |
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encrypt_seed_button.setDefault(True) |
|
|
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# Initially disable the encrypt custom secret button. |
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self.encrypt_custom_secret_button.setEnabled(False) |
|
|
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# Handle clicks on the buttons. |
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encrypt_seed_button.clicked.connect(partial(self.seed_img, True)) |
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self.encrypt_custom_secret_button.clicked.connect(self.t) |
|
|
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# Create the custom secret scan QR text edit. |
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self.custom_secret_scan_qr_textedit = ScanQRTextEdit(config=self.config) |
|
|
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# Make tabs change focus from the text edit instead of inserting a tab into the field. |
|
self.custom_secret_scan_qr_textedit.setTabChangesFocus(True) |
|
|
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# Update the UI when the custom secret text changes. |
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self.custom_secret_scan_qr_textedit.textChanged.connect(self.customtxt_limits) |
|
|
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# Populate the VBox layout. |
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vbox_layout.addWidget(ready_to_encrypt_label) |
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vbox_layout.addWidget(encrypt_seed_button, alignment=Qt.AlignCenter) |
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vbox_layout.addWidget(instructions_label) |
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vbox_layout.addWidget(self.custom_secret_scan_qr_textedit) |
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vbox_layout.addWidget(self.custom_secret_character_count_label) |
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vbox_layout.addWidget(self.custom_secret_maximum_characters_warning_label) |
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vbox_layout.addWidget(self.encrypt_custom_secret_button, alignment=Qt.AlignCenter) |
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vbox_layout.addSpacing(40) |
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vbox_layout.addWidget(one_time_pad_warning_label) |
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vbox_layout.addLayout(Buttons(CloseButton(d))) |
|
|
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# Add stretches to the end of the layouts to prevent the contents from spreading when the dialog is enlarged. |
|
hbox_layout.addStretch(1) |
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vbox_layout.addStretch(1) |
|
|
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return bool(d.exec_()) |
|
|
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def update_wallet_name(self, name): |
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self.wallet_name = str(name) |
|
|
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def seed_img(self, is_seed = True): |
|
|
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if is_seed: |
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try: |
|
cseed = self.get_seed() |
|
except UserCancelled: |
|
return |
|
except InvalidPassword as e: |
|
self.d.show_error(str(e)) |
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return |
|
if not cseed: |
|
self.d.show_message(_("This wallet has no seed")) |
|
return |
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txt = cseed.upper() |
|
else: |
|
txt = self.txt.upper() |
|
|
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img = QImage(self.SIZE[0], self.SIZE[1], QImage.Format_Mono) |
|
bitmap = QBitmap.fromImage(img, Qt.MonoOnly) |
|
bitmap.fill(Qt.white) |
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painter = QPainter() |
|
painter.begin(bitmap) |
|
QFontDatabase.addApplicationFont(os.path.join(os.path.dirname(__file__), 'SourceSansPro-Bold.otf')) |
|
if len(txt) < 102 : |
|
fontsize = 15 |
|
linespace = 15 |
|
max_letters = 17 |
|
max_lines = 6 |
|
max_words = 3 |
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else: |
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fontsize = 12 |
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linespace = 10 |
|
max_letters = 21 |
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max_lines = 9 |
|
max_words = int(max_letters/4) |
|
|
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font = QFont('Source Sans Pro', fontsize, QFont.Bold) |
|
font.setLetterSpacing(QFont.PercentageSpacing, 100) |
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font.setPixelSize(fontsize) |
|
painter.setFont(font) |
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seed_array = txt.split(' ') |
|
|
|
for n in range(max_lines): |
|
nwords = max_words |
|
temp_seed = seed_array[:nwords] |
|
while len(' '.join(map(str, temp_seed))) > max_letters: |
|
nwords = nwords - 1 |
|
temp_seed = seed_array[:nwords] |
|
painter.drawText(QRect(0, linespace*n, self.SIZE[0], self.SIZE[1]), Qt.AlignHCenter, ' '.join(map(str, temp_seed))) |
|
del seed_array[:nwords] |
|
|
|
painter.end() |
|
img = bitmap.toImage() |
|
if not self.rawnoise: |
|
self.make_rawnoise() |
|
|
|
self.make_cypherseed(img, self.rawnoise, False, is_seed) |
|
return img |
|
|
|
def make_rawnoise(self, create_revealer=False): |
|
if not self.user_input: |
|
self.versioned_seed = self.gen_random_versioned_seed() |
|
assert self.versioned_seed |
|
w, h = self.SIZE |
|
rawnoise = QImage(w, h, QImage.Format_Mono) |
|
|
|
noise_map = self.get_noise_map(self.versioned_seed) |
|
for (x,y), pixel in noise_map.items(): |
|
rawnoise.setPixel(x, y, pixel) |
|
|
|
self.rawnoise = rawnoise |
|
if create_revealer: |
|
self.make_revealer() |
|
|
|
def make_calnoise(self): |
|
random.seed(self.calibration_noise) |
|
w, h = self.SIZE |
|
rawnoise = QImage(w, h, QImage.Format_Mono) |
|
for x in range(w): |
|
for y in range(h): |
|
rawnoise.setPixel(x,y,random.randint(0, 1)) |
|
self.calnoise = self.pixelcode_2x2(rawnoise) |
|
|
|
def make_revealer(self): |
|
revealer = self.pixelcode_2x2(self.rawnoise) |
|
revealer.invertPixels() |
|
revealer = QBitmap.fromImage(revealer) |
|
revealer = revealer.scaled(self.f_size, Qt.KeepAspectRatio) |
|
revealer = self.overlay_marks(revealer) |
|
|
|
self.filename_prefix = 'revealer_' |
|
revealer.save(self.get_path_to_revealer_file('.png')) |
|
self.toPdf(QImage(revealer)) |
|
|
|
def make_cypherseed(self, img, rawnoise, calibration=False, is_seed = True): |
|
img = img.convertToFormat(QImage.Format_Mono) |
|
p = QPainter() |
|
p.begin(img) |
|
p.setCompositionMode(26) #xor |
|
p.drawImage(0, 0, rawnoise) |
|
p.end() |
|
cypherseed = self.pixelcode_2x2(img) |
|
cypherseed = QBitmap.fromImage(cypherseed) |
|
cypherseed = cypherseed.scaled(self.f_size, Qt.KeepAspectRatio) |
|
cypherseed = self.overlay_marks(cypherseed, True, calibration) |
|
|
|
if not is_seed: |
|
self.filename_prefix = 'custom_secret_' |
|
self.was = _('Custom secret') |
|
else: |
|
self.filename_prefix = self.wallet_name + '_seed_' |
|
self.was = self.wallet_name + ' ' + _('seed') |
|
if self.extension: |
|
self.ext_warning(self.c_dialog) |
|
|
|
|
|
if not calibration: |
|
self.toPdf(QImage(cypherseed)) |
|
cypherseed.save(self.get_path_to_revealer_file('.png')) |
|
self.bcrypt(self.c_dialog) |
|
return cypherseed |
|
|
|
def calibration(self): |
|
img = QImage(self.SIZE[0], self.SIZE[1], QImage.Format_Mono) |
|
bitmap = QBitmap.fromImage(img, Qt.MonoOnly) |
|
bitmap.fill(Qt.black) |
|
self.make_calnoise() |
|
img = self.overlay_marks(self.calnoise.scaledToHeight(self.f_size.height()), False, True) |
|
self.calibration_pdf(img) |
|
QDesktopServices.openUrl(QUrl.fromLocalFile(self.get_path_to_calibration_file())) |
|
return img |
|
|
|
def toPdf(self, image): |
|
printer = QPrinter() |
|
printer.setPaperSize(QSizeF(210, 297), QPrinter.Millimeter) |
|
printer.setResolution(600) |
|
printer.setOutputFormat(QPrinter.PdfFormat) |
|
printer.setOutputFileName(self.get_path_to_revealer_file('.pdf')) |
|
printer.setPageMargins(0,0,0,0,6) |
|
painter = QPainter() |
|
painter.begin(printer) |
|
|
|
delta_h = round(image.width()/self.abstand_v) |
|
delta_v = round(image.height()/self.abstand_h) |
|
|
|
size_h = round(2028+((int(self.calibration_h)*2028/(2028-(delta_h*2)+int(self.calibration_h)))//2)) |
|
size_v = round(1284+((int(self.calibration_v)*1284/(1284-(delta_v*2)+int(self.calibration_v)))//2)) |
|
|
|
image = image.scaled(size_h, size_v) |
|
|
|
painter.drawImage(553,533, image) |
|
wpath = QPainterPath() |
|
wpath.addRoundedRect(QRectF(553,533, size_h, size_v), 19, 19) |
|
painter.setPen(QPen(Qt.black, 1)) |
|
painter.drawPath(wpath) |
|
painter.end() |
|
|
|
def calibration_pdf(self, image): |
|
printer = QPrinter() |
|
printer.setPaperSize(QSizeF(210, 297), QPrinter.Millimeter) |
|
printer.setResolution(600) |
|
printer.setOutputFormat(QPrinter.PdfFormat) |
|
printer.setOutputFileName(self.get_path_to_calibration_file()) |
|
printer.setPageMargins(0,0,0,0,6) |
|
|
|
painter = QPainter() |
|
painter.begin(printer) |
|
painter.drawImage(553,533, image) |
|
font = QFont('Source Sans Pro', 10, QFont.Bold) |
|
painter.setFont(font) |
|
painter.drawText(254,277, _("Calibration sheet")) |
|
font = QFont('Source Sans Pro', 7, QFont.Bold) |
|
painter.setFont(font) |
|
painter.drawText(600,2077, _("Instructions:")) |
|
font = QFont('Source Sans Pro', 7, QFont.Normal) |
|
painter.setFont(font) |
|
painter.drawText(700, 2177, _("1. Place this paper on a flat and well illuminated surface.")) |
|
painter.drawText(700, 2277, _("2. Align your Revealer borderlines to the dashed lines on the top and left.")) |
|
painter.drawText(700, 2377, _("3. Press slightly the Revealer against the paper and read the numbers that best " |
|
"match on the opposite sides. ")) |
|
painter.drawText(700, 2477, _("4. Type the numbers in the software")) |
|
painter.end() |
|
|
|
def pixelcode_2x2(self, img): |
|
result = QImage(img.width()*2, img.height()*2, QImage.Format_ARGB32) |
|
white = qRgba(255,255,255,0) |
|
black = qRgba(0,0,0,255) |
|
|
|
for x in range(img.width()): |
|
for y in range(img.height()): |
|
c = img.pixel(QPoint(x,y)) |
|
colors = QColor(c).getRgbF() |
|
if colors[0]: |
|
result.setPixel(x*2+1,y*2+1, black) |
|
result.setPixel(x*2,y*2+1, white) |
|
result.setPixel(x*2+1,y*2, white) |
|
result.setPixel(x*2, y*2, black) |
|
|
|
else: |
|
result.setPixel(x*2+1,y*2+1, white) |
|
result.setPixel(x*2,y*2+1, black) |
|
result.setPixel(x*2+1,y*2, black) |
|
result.setPixel(x*2, y*2, white) |
|
return result |
|
|
|
def overlay_marks(self, img, is_cseed=False, calibration_sheet=False): |
|
border_color = Qt.white |
|
base_img = QImage(self.f_size.width(),self.f_size.height(), QImage.Format_ARGB32) |
|
base_img.fill(border_color) |
|
img = QImage(img) |
|
|
|
painter = QPainter() |
|
painter.begin(base_img) |
|
|
|
total_distance_h = round(base_img.width() / self.abstand_v) |
|
dist_v = round(total_distance_h) // 2 |
|
dist_h = round(total_distance_h) // 2 |
|
|
|
img = img.scaledToWidth(base_img.width() - (2 * (total_distance_h))) |
|
painter.drawImage(total_distance_h, |
|
total_distance_h, |
|
img) |
|
|
|
#frame around image |
|
pen = QPen(Qt.black, 2) |
|
painter.setPen(pen) |
|
|
|
#horz |
|
painter.drawLine(0, total_distance_h, base_img.width(), total_distance_h) |
|
painter.drawLine(0, base_img.height()-(total_distance_h), base_img.width(), base_img.height()-(total_distance_h)) |
|
#vert |
|
painter.drawLine(total_distance_h, 0, total_distance_h, base_img.height()) |
|
painter.drawLine(base_img.width()-(total_distance_h), 0, base_img.width()-(total_distance_h), base_img.height()) |
|
|
|
#border around img |
|
border_thick = 6 |
|
Rpath = QPainterPath() |
|
Rpath.addRect(QRectF((total_distance_h)+(border_thick/2), |
|
(total_distance_h)+(border_thick/2), |
|
base_img.width()-((total_distance_h)*2)-((border_thick)-1), |
|
(base_img.height()-((total_distance_h))*2)-((border_thick)-1))) |
|
pen = QPen(Qt.black, border_thick) |
|
pen.setJoinStyle (Qt.MiterJoin) |
|
|
|
painter.setPen(pen) |
|
painter.drawPath(Rpath) |
|
|
|
Bpath = QPainterPath() |
|
Bpath.addRect(QRectF((total_distance_h), (total_distance_h), |
|
base_img.width()-((total_distance_h)*2), (base_img.height()-((total_distance_h))*2))) |
|
pen = QPen(Qt.black, 1) |
|
painter.setPen(pen) |
|
painter.drawPath(Bpath) |
|
|
|
pen = QPen(Qt.black, 1) |
|
painter.setPen(pen) |
|
painter.drawLine(0, base_img.height()//2, total_distance_h, base_img.height()//2) |
|
painter.drawLine(base_img.width()//2, 0, base_img.width()//2, total_distance_h) |
|
|
|
painter.drawLine(base_img.width()-total_distance_h, base_img.height()//2, base_img.width(), base_img.height()//2) |
|
painter.drawLine(base_img.width()//2, base_img.height(), base_img.width()//2, base_img.height() - total_distance_h) |
|
|
|
#print code |
|
f_size = 37 |
|
QFontDatabase.addApplicationFont(os.path.join(os.path.dirname(__file__), 'DejaVuSansMono-Bold.ttf')) |
|
font = QFont("DejaVu Sans Mono", f_size-11, QFont.Bold) |
|
font.setPixelSize(35) |
|
painter.setFont(font) |
|
|
|
if not calibration_sheet: |
|
if is_cseed: #its a secret |
|
painter.setPen(QPen(Qt.black, 1, Qt.DashDotDotLine)) |
|
painter.drawLine(0, dist_v, base_img.width(), dist_v) |
|
painter.drawLine(dist_h, 0, dist_h, base_img.height()) |
|
painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v)) |
|
painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height()) |
|
|
|
painter.drawImage(((total_distance_h))+11, ((total_distance_h))+11, |
|
QImage(icon_path('electrumb.png')).scaledToWidth(round(2.1*total_distance_h), Qt.SmoothTransformation)) |
|
|
|
painter.setPen(QPen(Qt.white, border_thick*8)) |
|
painter.drawLine(int(base_img.width()-total_distance_h-(border_thick*8)/2-(border_thick/2)-2), |
|
int(base_img.height()-total_distance_h-((border_thick*8)/2)-(border_thick/2)-2), |
|
int(base_img.width()-total_distance_h-(border_thick*8)/2-(border_thick/2)-2 - 77), |
|
int(base_img.height()-total_distance_h-((border_thick*8)/2)-(border_thick/2)-2)) |
|
painter.setPen(QColor(0,0,0,255)) |
|
painter.drawText(QRect(0, base_img.height()-107, base_img.width()-total_distance_h - border_thick - 11, |
|
base_img.height()-total_distance_h - border_thick), Qt.AlignRight, |
|
self.versioned_seed.version + '_'+self.versioned_seed.checksum) |
|
painter.end() |
|
|
|
else: # revealer |
|
|
|
painter.setPen(QPen(border_color, 17)) |
|
painter.drawLine(0, dist_v, base_img.width(), dist_v) |
|
painter.drawLine(dist_h, 0, dist_h, base_img.height()) |
|
painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v)) |
|
painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height()) |
|
|
|
painter.setPen(QPen(Qt.black, 2)) |
|
painter.drawLine(0, dist_v, base_img.width(), dist_v) |
|
painter.drawLine(dist_h, 0, dist_h, base_img.height()) |
|
painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v)) |
|
painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height()) |
|
logo = QImage(icon_path('revealer_c.png')).scaledToWidth(round(1.3*(total_distance_h))) |
|
painter.drawImage(int(total_distance_h+border_thick), int(total_distance_h+border_thick), logo, Qt.SmoothTransformation) |
|
|
|
#frame around logo |
|
painter.setPen(QPen(Qt.black, border_thick)) |
|
painter.drawLine(int(total_distance_h+border_thick), int(total_distance_h+logo.height()+3*(border_thick/2)), |
|
int(total_distance_h+logo.width()+border_thick), int(total_distance_h+logo.height()+3*(border_thick/2))) |
|
painter.drawLine(int(logo.width()+total_distance_h+3*(border_thick/2)), int(total_distance_h+(border_thick)), |
|
int(total_distance_h+logo.width()+3*(border_thick/2)), int(total_distance_h+logo.height()+(border_thick))) |
|
|
|
#frame around code/qr |
|
qr_size = 179 |
|
|
|
painter.drawLine(int((base_img.width()-((total_distance_h))-(border_thick/2)-2)-qr_size), |
|
int((base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2), |
|
int((base_img.width()//2+(total_distance_h/2)-border_thick-(border_thick*8)//2)-qr_size), |
|
int((base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2)) |
|
|
|
painter.drawLine(int((base_img.width()//2+(total_distance_h/2)-border_thick-(border_thick*8)//2)-qr_size), |
|
int((base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2), |
|
int(base_img.width()//2 + (total_distance_h/2)-border_thick-(border_thick*8)//2-qr_size), |
|
int((base_img.height()-((total_distance_h)))-(border_thick/2)-2)) |
|
|
|
painter.setPen(QPen(Qt.white, border_thick * 8)) |
|
painter.drawLine( |
|
int(base_img.width() - ((total_distance_h)) - (border_thick * 8) / 2 - (border_thick / 2) - 2), |
|
int((base_img.height() - ((total_distance_h))) - ((border_thick * 8) / 2) - (border_thick / 2) - 2), |
|
int(base_img.width() / 2 + (total_distance_h / 2) - border_thick - qr_size), |
|
int((base_img.height() - ((total_distance_h))) - ((border_thick * 8) / 2) - (border_thick / 2) - 2)) |
|
|
|
painter.setPen(QColor(0,0,0,255)) |
|
painter.drawText(QRect(int(((base_img.width()/2) +21)-qr_size), |
|
int(base_img.height()-107), |
|
int(base_img.width()-total_distance_h - border_thick -93), |
|
int(base_img.height()-total_distance_h - border_thick)), |
|
Qt.AlignLeft, self.versioned_seed.get_ui_string_version_plus_seed()) |
|
painter.drawText(QRect(0, base_img.height()-107, base_img.width()-total_distance_h - border_thick -3 -qr_size, |
|
base_img.height()-total_distance_h - border_thick), Qt.AlignRight, self.versioned_seed.checksum) |
|
|
|
# draw qr code |
|
qr_qt = self.paintQR(self.versioned_seed.get_ui_string_version_plus_seed() |
|
+ self.versioned_seed.checksum) |
|
target = QRectF(base_img.width()-65-qr_size, |
|
base_img.height()-65-qr_size, |
|
qr_size, qr_size) |
|
painter.drawImage(target, qr_qt) |
|
painter.setPen(QPen(Qt.black, 4)) |
|
painter.drawLine( |
|
int(base_img.width()-65-qr_size), |
|
int(base_img.height()-65-qr_size), |
|
int(base_img.width() - 65 - qr_size), |
|
int((base_img.height() - total_distance_h) - (border_thick * 8) - (border_thick / 2) - 4), |
|
) |
|
painter.drawLine( |
|
int(base_img.width()-65-qr_size), |
|
int(base_img.height()-65-qr_size), |
|
int(base_img.width() - 65), |
|
int(base_img.height()-65-qr_size), |
|
) |
|
painter.end() |
|
|
|
else: # calibration only |
|
painter.end() |
|
cal_img = QImage(self.f_size.width() + 100, self.f_size.height() + 100, |
|
QImage.Format_ARGB32) |
|
cal_img.fill(Qt.white) |
|
|
|
cal_painter = QPainter() |
|
cal_painter.begin(cal_img) |
|
cal_painter.drawImage(0,0, base_img) |
|
|
|
#black lines in the middle of border top left only |
|
cal_painter.setPen(QPen(Qt.black, 1, Qt.DashDotDotLine)) |
|
cal_painter.drawLine(0, dist_v, base_img.width(), dist_v) |
|
cal_painter.drawLine(dist_h, 0, dist_h, base_img.height()) |
|
|
|
pen = QPen(Qt.black, 2, Qt.DashDotDotLine) |
|
cal_painter.setPen(pen) |
|
n=15 |
|
|
|
cal_painter.setFont(QFont("DejaVu Sans Mono", 21, QFont.Bold)) |
|
for x in range(-n,n): |
|
#lines on bottom (vertical calibration) |
|
cal_painter.drawLine(int((((base_img.width())/(n*2)) *(x))+ (base_img.width()//2)-13), |
|
int(x+2+base_img.height()-(dist_v)), |
|
int((((base_img.width())/(n*2)) *(x))+ (base_img.width()//2)+13), |
|
int(x+2+base_img.height()-(dist_v))) |
|
|
|
num_pos = 9 |
|
if x > 9 : num_pos = 17 |
|
if x < 0 : num_pos = 20 |
|
if x < -9: num_pos = 27 |
|
|
|
cal_painter.drawText(int((((base_img.width())/(n*2)) *(x)) + (base_img.width()//2)-num_pos), |
|
int(50+base_img.height()-(dist_v)), |
|
str(x)) |
|
|
|
#lines on the right (horizontal calibrations) |
|
|
|
cal_painter.drawLine(int(x+2+(base_img.width()-(dist_h))), |
|
int(((base_img.height()/(2*n)) *(x))+ (base_img.height()/n)+(base_img.height()//2)-13), |
|
int(x+2+(base_img.width()-(dist_h))), |
|
int(((base_img.height()/(2*n)) *(x))+ (base_img.height()/n)+(base_img.height()//2)+13)) |
|
|
|
|
|
cal_painter.drawText(int(30+(base_img.width()-(dist_h))), |
|
int(((base_img.height()/(2*n)) *(x))+ (base_img.height()//2)+13), |
|
str(x)) |
|
|
|
cal_painter.end() |
|
base_img = cal_img |
|
|
|
return base_img |
|
|
|
def paintQR(self, data): |
|
if not data: |
|
return |
|
qr = qrcode.QRCode() |
|
qr.add_data(data) |
|
matrix = qr.get_matrix() |
|
k = len(matrix) |
|
border_color = Qt.white |
|
base_img = QImage(k * 5, k * 5, QImage.Format_ARGB32) |
|
base_img.fill(border_color) |
|
qrpainter = QPainter() |
|
qrpainter.begin(base_img) |
|
boxsize = 5 |
|
size = k * boxsize |
|
left = (base_img.width() - size)//2 |
|
top = (base_img.height() - size)//2 |
|
qrpainter.setBrush(Qt.black) |
|
qrpainter.setPen(Qt.black) |
|
|
|
for r in range(k): |
|
for c in range(k): |
|
if matrix[r][c]: |
|
qrpainter.drawRect(left+c*boxsize, top+r*boxsize, boxsize - 1, boxsize - 1) |
|
qrpainter.end() |
|
return base_img |
|
|
|
def calibration_dialog(self, window): |
|
d = WindowModalDialog(window, _("Revealer - Printer calibration settings")) |
|
|
|
d.setMinimumSize(100, 200) |
|
|
|
vbox = QVBoxLayout(d) |
|
vbox.addWidget(QLabel(''.join(["<br/>", _("If you have an old printer, or want optimal precision"),"<br/>", |
|
_("print the calibration pdf and follow the instructions "), "<br/>","<br/>", |
|
]))) |
|
self.calibration_h = self.config.get('calibration_h') |
|
self.calibration_v = self.config.get('calibration_v') |
|
cprint = QPushButton(_("Open calibration pdf")) |
|
cprint.clicked.connect(self.calibration) |
|
vbox.addWidget(cprint) |
|
|
|
vbox.addWidget(QLabel(_('Calibration values:'))) |
|
grid = QGridLayout() |
|
vbox.addLayout(grid) |
|
grid.addWidget(QLabel(_('Right side')), 0, 0) |
|
horizontal = QLineEdit() |
|
horizontal.setText(str(self.calibration_h)) |
|
grid.addWidget(horizontal, 0, 1) |
|
|
|
grid.addWidget(QLabel(_('Bottom')), 1, 0) |
|
vertical = QLineEdit() |
|
vertical.setText(str(self.calibration_v)) |
|
grid.addWidget(vertical, 1, 1) |
|
|
|
vbox.addStretch() |
|
vbox.addSpacing(13) |
|
vbox.addLayout(Buttons(CloseButton(d), OkButton(d))) |
|
|
|
if not d.exec_(): |
|
return |
|
|
|
self.calibration_h = int(Decimal(horizontal.text())) |
|
self.config.set_key('calibration_h', self.calibration_h) |
|
self.calibration_v = int(Decimal(vertical.text())) |
|
self.config.set_key('calibration_v', self.calibration_v) |
|
|
|
|
|
|