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from electrum.i18n import _
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import os.path
import time
class Timer(QThread):
def run(self):
while True:
self.emit(SIGNAL('timersignal'))
time.sleep(0.5)
class EnterButton(QPushButton):
def __init__(self, text, func):
QPushButton.__init__(self, text)
self.func = func
self.clicked.connect(func)
def keyPressEvent(self, e):
if e.key() == Qt.Key_Return:
apply(self.func,())
def waiting_dialog(f, w=None):
s = Timer()
s.start()
if not w:
w = QDialog()
w.resize(200, 70)
w.setWindowTitle('Electrum')
else:
if w.layout(): QWidget().setLayout(w.layout())
l = QLabel('')
vbox = QVBoxLayout(w)
vbox.addWidget(l)
w.show()
def ff():
s = f()
if s: l.setText(s)
else: w.accept()
w.connect(s, SIGNAL('timersignal'), ff)
w.exec_()
#w.destroy()
class HelpButton(QPushButton):
def __init__(self, text):
QPushButton.__init__(self, '?')
self.setFocusPolicy(Qt.NoFocus)
self.setFixedWidth(20)
self.clicked.connect(lambda: QMessageBox.information(self, 'Help', text, 'OK') )
def close_button(dialog, label=_("Close") ):
hbox = QHBoxLayout()
hbox.addStretch(1)
b = QPushButton(label)
hbox.addWidget(b)
b.clicked.connect(dialog.close)
b.setDefault(True)
return hbox
def ok_cancel_buttons(dialog, ok_label=_("OK") ):
hbox = QHBoxLayout()
hbox.addStretch(1)
b = QPushButton(_("Cancel"))
hbox.addWidget(b)
b.clicked.connect(dialog.reject)
b = QPushButton(ok_label)
hbox.addWidget(b)
b.clicked.connect(dialog.accept)
b.setDefault(True)
return hbox
def text_dialog(parent, title, label, ok_label):
dialog = QDialog(parent)
dialog.setMinimumWidth(500)
dialog.setWindowTitle(title)
dialog.setModal(1)
l = QVBoxLayout()
dialog.setLayout(l)
l.addWidget(QLabel(label))
txt = QTextEdit()
l.addWidget(txt)
l.addLayout(ok_cancel_buttons(dialog, ok_label))
if dialog.exec_():
return unicode(txt.toPlainText())
class MyTreeWidget(QTreeWidget):
def __init__(self, parent):
QTreeWidget.__init__(self, parent)
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.connect(self, SIGNAL('itemActivated(QTreeWidgetItem*, int)'), self.itemactivated)
def itemactivated(self, item):
if not item: return
for i in range(0,self.viewport().height()/5):
if self.itemAt(QPoint(0,i*5)) == item:
break
else:
return
for j in range(0,30):
if self.itemAt(QPoint(0,i*5 + j)) != item:
break
self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), QPoint(50, i*5 + j - 1))