from PyQt4.QtCore import *
from PyQt4.QtGui import *
+from qrtextedit import QRTextEdit
+import re
+from decimal import Decimal
+from electrum import bitcoin
-class PayToEdit(QTextEdit):
+RE_ADDRESS = '[1-9A-HJ-NP-Za-km-z]{26,}'
+RE_ALIAS = '(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>'
- def __init__(self, *args, **kwargs):
- QTextEdit.__init__(self, *args, **kwargs)
+frozen_style = "QWidget { background-color:none; border:none;}"
+normal_style = "QTextEdit { }"
+
+class PayToEdit(QRTextEdit):
+
+ def __init__(self, win):
+ QRTextEdit.__init__(self)
+ self.win = win
+ self.amount_edit = win.amount_e
self.document().contentsChanged.connect(self.update_size)
self.heightMin = 0
self.heightMax = 150
self.setMinimumHeight(27)
self.setMaximumHeight(27)
- #self.setStyleSheet("QTextEdit { border-style:solid; border-width: 1px;}")
self.c = None
+ self.textChanged.connect(self.check_text)
+ self.outputs = []
+ self.is_pr = False
+ self.scan_f = self.win.pay_from_URI
+ self.update_size()
+ self.payto_address = None
+
+ def lock_amount(self):
+ self.amount_edit.setFrozen(True)
+
+ def unlock_amount(self):
+ self.amount_edit.setFrozen(False)
+
+ def setFrozen(self, b):
+ self.setReadOnly(b)
+ self.setStyleSheet(frozen_style if b else normal_style)
+ self.button.setHidden(b)
+
+ def setGreen(self):
+ self.is_pr = True
+ self.setStyleSheet("QWidget { background-color:#80ff80;}")
+
+ def setExpired(self):
+ self.is_pr = True
+ self.setStyleSheet("QWidget { background-color:#ffcccc;}")
+
+ def parse_address_and_amount(self, line):
+ x, y = line.split(',')
+ address = self.parse_address(x)
+ amount = self.parse_amount(y)
+ return address, amount
+
+
+ def parse_amount(self, x):
+ p = pow(10, self.amount_edit.decimal_point())
+ return int( p * Decimal(x.strip()))
+
+
+ def parse_address(self, line):
+ r = line.strip()
+ m = re.match('^'+RE_ALIAS+'$', r)
+ address = m.group(2) if m else r
+ assert bitcoin.is_address(address)
+ return address
+
+
+ def check_text(self):
+ if self.is_pr:
+ return
+
+ # filter out empty lines
+ lines = filter( lambda x: x, self.lines())
+ outputs = []
+ total = 0
+
+ self.payto_address = None
+
+ if len(lines) == 1:
+ try:
+ self.payto_address = self.parse_address(lines[0])
+ except:
+ pass
+
+ if self.payto_address:
+ self.unlock_amount()
+ return
+
+ for line in lines:
+ try:
+ to_address, amount = self.parse_address_and_amount(line)
+ except:
+ continue
+
+ outputs.append((to_address, amount))
+ total += amount
+
+ self.outputs = outputs
+ self.payto_address = None
+
+ if total:
+ self.amount_edit.setAmount(total)
+ else:
+ self.amount_edit.setText("")
+
+ self.amount_edit.textEdited.emit("")
+
+ if total or len(lines)>1:
+ self.lock_amount()
+ else:
+ self.unlock_amount()
+
+
+ def get_outputs(self):
+ if self.payto_address:
+ try:
+ amount = self.amount_edit.get_amount()
+ except:
+ amount = None
+
+ self.outputs = [(self.payto_address, amount)]
+
+ return self.outputs[:]
+
+
+ def lines(self):
+ return str(self.toPlainText()).split('\n')
+
+
+ def is_multiline(self):
+ return len(self.lines()) > 1
def update_size(self):
def keyPressEvent(self, e):
+ if self.isReadOnly():
+ return
+
if self.c.popup().isVisible():
if e.key() in [Qt.Key_Enter, Qt.Key_Return]:
e.ignore()
return
+ if e.key() in [Qt.Key_Tab]:
+ e.ignore()
+ return
+
+ if e.key() in [Qt.Key_Down, Qt.Key_Up] and not self.is_multiline():
+ e.ignore()
+ return
+
isShortcut = (e.modifiers() and Qt.ControlModifier) and e.key() == Qt.Key_E
if not self.c or not isShortcut:
QTextEdit.keyPressEvent(self, e)
+
ctrlOrShift = e.modifiers() and (Qt.ControlModifier or Qt.ShiftModifier)
if self.c is None or (ctrlOrShift and e.text().isEmpty()):
return