from electrum.util import print_error
from urlparse import urlparse, parse_qs
-from PyQt4.QtGui import QPushButton
-from electrum_gui.i18n import _
+from PyQt4.QtGui import QPushButton, QMessageBox, QDialog, QVBoxLayout, QHBoxLayout, QGridLayout, QLabel, QLineEdit, QComboBox
+from PyQt4.QtCore import Qt
+
+from electrum.i18n import _
+import re
+import os
+from electrum import Transaction
+from electrum.bitcoin import MIN_RELAY_TX_FEE, is_valid
+from electrum_gui.qt.qrcodewidget import QRCodeWidget
+from electrum import bmp
+from electrum_gui.qt import HelpButton, EnterButton
+import json
try:
import zbar
except ImportError:
zbar = None
-from electrum_gui import BasePlugin
+from electrum import BasePlugin
class Plugin(BasePlugin):
- def __init__(self, gui):
- BasePlugin.__init__(self, gui, 'qrscans', 'QR scans', "QR Scans.\nInstall the zbar package to enable this plugin")
-
- def is_available(self):
+ def fullname(self): return 'QR scans'
+
+ def description(self): return "QR Scans.\nInstall the zbar package to enable this plugin.\nOn linux, type: 'apt-get install python-zbar'"
+
+ def __init__(self, gui, name):
+ BasePlugin.__init__(self, gui, name)
+ self._is_available = self._init()
+
+ def _init(self):
if not zbar:
return False
try:
proc = zbar.Processor()
- proc.init()
+ proc.init(video_device=self.video_device())
except zbar.SystemError:
# Cannot open video device
- return False
- return True
+ pass
+ #return False
+ return True
- def create_send_tab(self, grid):
+ def init(self):
+ self.win = self.gui.main_window
+ self.win.raw_transaction_menu.addAction(_("&From QR code"), self.read_raw_qr)
b = QPushButton(_("Scan QR code"))
b.clicked.connect(self.fill_from_qr)
- grid.addWidget(b, 1, 5)
+ self.win.send_grid.addWidget(b, 1, 5)
+ self.win.send_grid.setColumnStretch(5, 0)
+ self.win.send_grid.setColumnStretch(6, 1)
+
+ def init_transaction_dialog(self, dialog, buttons):
+ b = QPushButton(_("Show QR code"))
+ b.clicked.connect(lambda: self.show_raw_qr(dialog.tx))
+ buttons.insertWidget(1,b)
+ def is_available(self):
+ return self._is_available
def scan_qr(self):
proc = zbar.Processor()
- proc.init()
+ try:
+ proc.init(video_device=self.video_device())
+ except zbar.SystemError, e:
+ QMessageBox.warning(self.win, _('Error'), _(e), _('OK'))
+ return
+
proc.visible = True
while True:
try:
proc.process_one()
- except:
+ except Exception:
# User closed the preview window
return {}
for r in proc.results:
if str(r.type) != 'QRCODE':
continue
- return parse_uri(r.data)
+ return r.data
+ def show_raw_qr(self, tx):
+ try:
+ json_text = json.dumps(tx.as_dict()).replace(' ', '')
+ self.win.show_qrcode(json_text, 'Unsigned Transaction')
+ except Exception as e:
+ self.win.show_message(str(e))
- def fill_from_qr(self):
+
+ def read_raw_qr(self):
qrcode = self.scan_qr()
+ if not qrcode:
+ return
+ tx = self.win.tx_from_text(qrcode)
+ if not tx:
+ return
+ self.win.show_transaction(tx)
+
+
+ def fill_from_qr(self):
+ qrcode = parse_uri(self.scan_qr())
+ if not qrcode:
+ return
+
if 'address' in qrcode:
- self.gui.payto_e.setText(qrcode['address'])
+ self.win.payto_e.setText(qrcode['address'])
if 'amount' in qrcode:
- self.gui.amount_e.setText(str(qrcode['amount']))
+ self.win.amount_e.setText(str(qrcode['amount']))
if 'label' in qrcode:
- self.gui.message_e.setText(qrcode['label'])
+ self.win.message_e.setText(qrcode['label'])
if 'message' in qrcode:
- self.gui.message_e.setText("%s (%s)" % (self.gui.message_e.text(), qrcode['message']))
+ self.win.message_e.setText("%s (%s)" % (self.win.message_e.text(), qrcode['message']))
+ def video_device(self):
+ device = self.config.get("video_device", "default")
+ if device == 'default':
+ device = ''
+ return device
+
+ def requires_settings(self):
+ return True
+
+ def settings_widget(self, window):
+ return EnterButton(_('Settings'), self.settings_dialog)
+
+ def _find_system_cameras(self):
+ device_root = "/sys/class/video4linux"
+ devices = {} # Name -> device
+ if os.path.exists(device_root):
+ for device in os.listdir(device_root):
+ name = open(os.path.join(device_root, device, 'name')).read()
+ devices[name] = os.path.join("/dev",device)
+ return devices
+
+ def settings_dialog(self):
+ system_cameras = self._find_system_cameras()
+
+ d = QDialog()
+ layout = QGridLayout(d)
+ layout.addWidget(QLabel("Choose a video device:"),0,0)
+
+ # Create a combo box with the available video devices:
+ combo = QComboBox()
+
+ # on change trigger for video device selection, makes the
+ # manual device selection only appear when needed:
+ def on_change(x):
+ combo_text = str(combo.itemText(x))
+ combo_data = combo.itemData(x)
+ if combo_text == "Manually specify a device":
+ custom_device_label.setVisible(True)
+ self.video_device_edit.setVisible(True)
+ if self.config.get("video_device") == "default":
+ self.video_device_edit.setText("")
+ else:
+ self.video_device_edit.setText(self.config.get("video_device"))
+ else:
+ custom_device_label.setVisible(False)
+ self.video_device_edit.setVisible(False)
+ self.video_device_edit.setText(combo_data.toString())
+
+ # on save trigger for the video device selection window,
+ # stores the chosen video device on close.
+ def on_save():
+ device = str(self.video_device_edit.text())
+ self.config.set_key("video_device", device)
+ d.accept()
+
+ custom_device_label = QLabel("Video device: ")
+ custom_device_label.setVisible(False)
+ layout.addWidget(custom_device_label,1,0)
+ self.video_device_edit = QLineEdit()
+ self.video_device_edit.setVisible(False)
+ layout.addWidget(self.video_device_edit, 1,1,2,2)
+ combo.currentIndexChanged.connect(on_change)
+
+ combo.addItem("Default","default")
+ for camera, device in system_cameras.items():
+ combo.addItem(camera, device)
+ combo.addItem("Manually specify a device",self.config.get("video_device"))
+
+ # Populate the previously chosen device:
+ index = combo.findData(self.config.get("video_device"))
+ combo.setCurrentIndex(index)
+
+ layout.addWidget(combo,0,1)
+
+ self.accept = QPushButton(_("Done"))
+ self.accept.clicked.connect(on_save)
+ layout.addWidget(self.accept,4,2)
+
+ if d.exec_():
+ return True
+ else:
+ return False
def parse_uri(uri):
+ if not uri:
+ return {}
+
if ':' not in uri:
# It's just an address (not BIP21)
return {'address': uri}
uri = urlparse(uri)
result = {'address': uri.netloc}
- if uri.path.startswith('?'):
- params = parse_qs(uri.path[1:])
+ if uri.query.startswith('?'):
+ params = parse_qs(uri.query[1:])
else:
- params = parse_qs(uri.path)
+ params = parse_qs(uri.query)
for k,v in params.items():
if k in ('amount', 'label', 'message'):
git://git.novaco.in / electrum-nvc.git / blobdiff