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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-22 22:38:08 +00:00

Qt4 widget for Pin matrix

This commit is contained in:
slush0 2013-10-07 22:00:17 +02:00
parent ae9444a83b
commit 0634d6bbb4

73
trezorlib/pinmatrix.py Normal file
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import sys
from PyQt4.Qt import QApplication, QWidget, QGridLayout, QVBoxLayout
from PyQt4.QtGui import QPushButton, QLineEdit, QSizePolicy
from PyQt4.QtCore import QObject, SIGNAL
class PinButton(QPushButton):
def __init__(self, password, encoded_value):
super(PinButton, self).__init__()
self.password = password
self.encoded_value = encoded_value
QObject.connect(self, SIGNAL('clicked()'), self._pressed)
def _pressed(self):
self.password.setText(self.password.text() + str(self.encoded_value))
self.password.setFocus()
class PinMatrixWidget(QWidget):
'''
Displays widget with nine blank buttons and password box.
Encodes button clicks into sequence of numbers for passing
into PinAck messages of Trezor.
'''
def __init__(self, parent=None):
super(PinMatrixWidget, self).__init__(parent)
self.buttons = []
self.password = QLineEdit()
self.password.setEchoMode(QLineEdit.Password)
grid = QGridLayout()
grid.setSpacing(0)
for x in range(9):
button = PinButton(self.password, x + 1)
button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.buttons.append(button)
grid.addWidget(button, x / 3, x % 3)
vbox = QVBoxLayout()
vbox.addLayout(grid)
vbox.addWidget(self.password)
self.setLayout(vbox)
self.move(300, 150)
def get_value(self):
return self.password.text()
if __name__ == '__main__':
'''
Demo application showing PinMatrix widget in action
'''
a = QApplication(sys.argv)
matrix = PinMatrixWidget()
def clicked():
print "PinMatrix value is", matrix.get_value()
sys.exit()
ok = QPushButton('OK')
QObject.connect(ok, SIGNAL('clicked()'), clicked)
vbox = QVBoxLayout()
vbox.addWidget(matrix)
vbox.addWidget(ok)
w = QWidget()
w.setLayout(vbox)
w.show()
a.exec_()