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69 lines
1.9 KiB
69 lines
1.9 KiB
from PyQt4.QtGui import *
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from electrum import BasePlugin
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from electrum.i18n import _
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class Plugin(BasePlugin):
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def fullname(self):
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return 'Virtual Keyboard'
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def description(self):
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return '%s\n%s' % (_("Add an optional virtual keyboard to the password dialog."), _("Warning: do not use this if it makes you pick a weaker password."))
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def init(self):
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self.vkb = None
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self.vkb_index = 0
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def password_dialog(self, pw, grid, pos):
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vkb_button = QPushButton(_("+"))
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vkb_button.setFixedWidth(20)
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vkb_button.clicked.connect(lambda: self.toggle_vkb(grid, pw))
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grid.addWidget(vkb_button, pos, 2)
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self.kb_pos = 2
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def toggle_vkb(self, grid, pw):
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if self.vkb: grid.removeItem(self.vkb)
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self.vkb = self.virtual_keyboard(self.vkb_index, pw)
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grid.addLayout(self.vkb, self.kb_pos, 0, 1, 3)
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self.vkb_index += 1
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def virtual_keyboard(self, i, pw):
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import random
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i = i%3
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if i == 0:
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chars = 'abcdefghijklmnopqrstuvwxyz '
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elif i == 1:
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chars = 'ABCDEFGHIJKLMNOPQRTSUVWXYZ '
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elif i == 2:
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chars = '1234567890!?.,;:/%&()[]{}+-'
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n = len(chars)
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s = []
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for i in xrange(n):
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while True:
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k = random.randint(0,n-1)
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if k not in s:
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s.append(k)
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break
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def add_target(t):
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return lambda: pw.setText(str( pw.text() ) + t)
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vbox = QVBoxLayout()
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grid = QGridLayout()
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grid.setSpacing(2)
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for i in range(n):
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l_button = QPushButton(chars[s[i]])
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l_button.setFixedWidth(25)
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l_button.setFixedHeight(25)
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l_button.clicked.connect(add_target(chars[s[i]]) )
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grid.addWidget(l_button, i/6, i%6)
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vbox.addLayout(grid)
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return vbox
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