69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from decimal import Decimal
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class MyLineEdit(QLineEdit):
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def setFrozen(self, b):
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self.setReadOnly(b)
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self.setFrame(not b)
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class AmountEdit(MyLineEdit):
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def __init__(self, decimal_point, is_int = False, parent=None):
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QLineEdit.__init__(self, parent)
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self.decimal_point = decimal_point
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self.textChanged.connect(self.numbify)
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self.is_int = is_int
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self.is_shortcut = False
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def base_unit(self):
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p = self.decimal_point()
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assert p in [5,8]
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return "BTC" if p == 8 else "mBTC"
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def get_amount(self):
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x = unicode( self.text() )
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if x in['.', '']:
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return None
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p = pow(10, self.decimal_point())
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return int( p * Decimal(x) )
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def setAmount(self, amount):
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p = pow(10, self.decimal_point())
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x = amount / Decimal(p)
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self.setText(str(x))
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def paintEvent(self, event):
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QLineEdit.paintEvent(self, event)
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if self.decimal_point:
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panel = QStyleOptionFrameV2()
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self.initStyleOption(panel)
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textRect = self.style().subElementRect(QStyle.SE_LineEditContents, panel, self)
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textRect.adjust(2, 0, -10, 0)
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painter = QPainter(self)
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painter.setPen(self.palette().brush(QPalette.Disabled, QPalette.Text).color())
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painter.drawText(textRect, Qt.AlignRight | Qt.AlignVCenter, self.base_unit())
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def numbify(self):
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text = unicode(self.text()).strip()
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if text == '!':
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self.is_shortcut = True
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pos = self.cursorPosition()
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chars = '0123456789'
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if not self.is_int: chars +='.'
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s = ''.join([i for i in text if i in chars])
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if not self.is_int:
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if '.' in s:
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p = s.find('.')
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s = s.replace('.','')
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s = s[:p] + '.' + s[p:p+8]
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self.setText(s)
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self.setCursorPosition(pos)
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