except ImportError:
zbar = None
+from electrum_gui 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):
+ if not zbar:
+ return False
+ try:
+ proc = zbar.Processor()
+ proc.init()
+ except zbar.SystemError:
+ # Cannot open video device
+ return False
+ return True
-def init(gui):
- if is_enabled():
- gui.set_hook('create_send_tab', create_send_tab)
- else:
- gui.unset_hook('create_send_tab', create_send_tab)
-
-def get_info():
- return 'QR scans', "QR Scans.\nInstall the zbar package to enable this plugin"
-
-def is_enabled():
- return is_available()
-
-def toggle(gui):
- return is_enabled()
+ def create_send_tab(self, grid):
+ b = QPushButton(_("Scan QR code"))
+ b.clicked.connect(self.fill_from_qr)
+ grid.addWidget(b, 1, 5)
-def is_available():
- if not zbar:
- return False
- try:
+ def scan_qr(self):
proc = zbar.Processor()
proc.init()
- except zbar.SystemError:
- # Cannot open video device
- return False
-
- return True
+ proc.visible = True
+
+ while True:
+ try:
+ proc.process_one()
+ except:
+ # User closed the preview window
+ return {}
+
+ for r in proc.results:
+ if str(r.type) != 'QRCODE':
+ continue
+ return parse_uri(r.data)
+
-def scan_qr():
- proc = zbar.Processor()
- proc.init()
- proc.visible = True
+ def fill_from_qr(self):
+ qrcode = self.scan_qr()
+ if 'address' in qrcode:
+ self.gui.payto_e.setText(qrcode['address'])
+ if 'amount' in qrcode:
+ self.gui.amount_e.setText(str(qrcode['amount']))
+ if 'label' in qrcode:
+ self.gui.message_e.setText(qrcode['label'])
+ if 'message' in qrcode:
+ self.gui.message_e.setText("%s (%s)" % (self.gui.message_e.text(), qrcode['message']))
+
- while True:
- try:
- proc.process_one()
- except:
- # User closed the preview window
- return {}
- for r in proc.results:
- if str(r.type) != 'QRCODE':
- continue
- return parse_uri(r.data)
-
def parse_uri(uri):
if ':' not in uri:
# It's just an address (not BIP21)
-def fill_from_qr(self):
- qrcode = scan_qr()
- if 'address' in qrcode:
- self.payto_e.setText(qrcode['address'])
- if 'amount' in qrcode:
- self.amount_e.setText(str(qrcode['amount']))
- if 'label' in qrcode:
- self.message_e.setText(qrcode['label'])
- if 'message' in qrcode:
- self.message_e.setText("%s (%s)" % (self.message_e.text(), qrcode['message']))
-
-
-def create_send_tab(gui, grid):
- if is_available():
- b = QPushButton(_("Scan QR code"))
- b.clicked.connect(lambda: fill_from_qr(gui))
- grid.addWidget(b, 1, 5)
-
if __name__ == '__main__':