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from electrum.i18n import _
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import os.path
import time
import traceback
import sys
import threading
import platform
if platform.system() == 'Windows':
MONOSPACE_FONT = 'Lucida Console'
elif platform.system() == 'Darwin':
MONOSPACE_FONT = 'Monaco'
else:
MONOSPACE_FONT = 'monospace'
GREEN_BG = "QWidget {background-color:#80ff80;}"
RED_BG = "QWidget {background-color:#ffcccc;}"
RED_FG = "QWidget {color:red;}"
BLUE_FG = "QWidget {color:blue;}"
BLACK_FG = "QWidget {color:black;}"
class WaitingDialog(QThread):
def __init__(self, parent, message, run_task, on_success=None, on_complete=None):
QThread.__init__(self)
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self.parent = parent
self.d = QDialog(parent)
self.d.setWindowTitle('Please wait')
l = QLabel(message)
vbox = QVBoxLayout(self.d)
vbox.addWidget(l)
self.run_task = run_task
self.on_success = on_success
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self.on_complete = on_complete
self.d.connect(self.d, SIGNAL('done'), self.close)
self.d.show()
def run(self):
self.error = None
try:
self.result = self.run_task()
except BaseException as e:
traceback.print_exc(file=sys.stdout)
self.error = str(e)
self.d.emit(SIGNAL('done'))
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def close(self):
self.d.accept()
if self.error:
QMessageBox.warning(self.parent, _('Error'), self.error, _('OK'))
else:
if self.on_success:
if type(self.result) is not tuple:
self.result = (self.result,)
self.on_success(*self.result)
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if self.on_complete:
self.on_complete()
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,())
class ThreadedButton(QPushButton):
def __init__(self, text, func, on_success=None, before=None):
QPushButton.__init__(self, text)
self.before = before
self.run_task = func
self.on_success = on_success
self.clicked.connect(self.do_exec)
self.connect(self, SIGNAL('done'), self.done)
self.connect(self, SIGNAL('error'), self.on_error)
def done(self):
if self.on_success:
self.on_success()
self.setEnabled(True)
def on_error(self):
QMessageBox.information(None, _("Error"), self.error)
self.setEnabled(True)
def do_func(self):
self.setEnabled(False)
try:
self.result = self.run_task()
except BaseException as e:
traceback.print_exc(file=sys.stdout)
self.error = str(e.message)
self.emit(SIGNAL('error'))
return
self.emit(SIGNAL('done'))
def do_exec(self):
if self.before:
self.before()
t = threading.Thread(target=self.do_func)
t.setDaemon(True)
t.start()
class HelpLabel(QLabel):
def __init__(self, text, help_text):
QLabel.__init__(self, text)
self.help_text = help_text
self.app = QCoreApplication.instance()
self.font = QFont()
def mouseReleaseEvent(self, x):
QMessageBox.information(self, 'Help', self.help_text, 'OK')
def enterEvent(self, event):
self.font.setUnderline(True)
self.setFont(self.font)
self.app.setOverrideCursor(QCursor(Qt.PointingHandCursor))
return QLabel.enterEvent(self, event)
def leaveEvent(self, event):
self.font.setUnderline(False)
self.setFont(self.font)
self.app.setOverrideCursor(QCursor(Qt.ArrowCursor))
return QLabel.leaveEvent(self, event)
class HelpButton(QPushButton):
def __init__(self, text):
QPushButton.__init__(self, '?')
self.help_text = text
self.setFocusPolicy(Qt.NoFocus)
self.setFixedWidth(20)
self.clicked.connect(self.onclick)
def onclick(self):
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QMessageBox.information(self, 'Help', self.help_text, 'OK')
class Buttons(QHBoxLayout):
def __init__(self, *buttons):
QHBoxLayout.__init__(self)
self.addStretch(1)
for b in buttons:
self.addWidget(b)
class CloseButton(QPushButton):
def __init__(self, dialog):
QPushButton.__init__(self, _("Close"))
self.clicked.connect(dialog.close)
self.setDefault(True)
class CopyButton(QPushButton):
def __init__(self, text_getter, app):
QPushButton.__init__(self, _("Copy"))
self.clicked.connect(lambda: app.clipboard().setText(text_getter()))
class CopyCloseButton(QPushButton):
def __init__(self, text_getter, app, dialog):
QPushButton.__init__(self, _("Copy and Close"))
self.clicked.connect(lambda: app.clipboard().setText(text_getter()))
self.clicked.connect(dialog.close)
self.setDefault(True)
class OkButton(QPushButton):
def __init__(self, dialog, label=None):
QPushButton.__init__(self, label or _("OK"))
self.clicked.connect(dialog.accept)
self.setDefault(True)
class CancelButton(QPushButton):
def __init__(self, dialog, label=None):
QPushButton.__init__(self, label or _("Cancel"))
self.clicked.connect(dialog.reject)
def line_dialog(parent, title, label, ok_label, default=None):
dialog = QDialog(parent)
dialog.setMinimumWidth(500)
dialog.setWindowTitle(title)
dialog.setModal(1)
l = QVBoxLayout()
dialog.setLayout(l)
l.addWidget(QLabel(label))
txt = QLineEdit()
if default:
txt.setText(default)
l.addWidget(txt)
l.addLayout(Buttons(CancelButton(dialog), OkButton(dialog, ok_label)))
if dialog.exec_():
return unicode(txt.text())
def text_dialog(parent, title, label, ok_label, default=None):
from qrtextedit import ScanQRTextEdit
dialog = QDialog(parent)
dialog.setMinimumWidth(500)
dialog.setWindowTitle(title)
dialog.setModal(1)
l = QVBoxLayout()
dialog.setLayout(l)
l.addWidget(QLabel(label))
txt = ScanQRTextEdit()
if default:
txt.setText(default)
l.addWidget(txt)
l.addLayout(Buttons(CancelButton(dialog), OkButton(dialog, ok_label)))
if dialog.exec_():
return unicode(txt.toPlainText())
def question(msg):
return QMessageBox.question(None, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.Yes
def address_field(addresses):
hbox = QHBoxLayout()
address_e = QLineEdit()
if addresses:
address_e.setText(addresses[0])
def func():
i = addresses.index(str(address_e.text())) + 1
i = i % len(addresses)
address_e.setText(addresses[i])
button = QPushButton(_('Address'))
button.clicked.connect(func)
hbox.addWidget(button)
hbox.addWidget(address_e)
return hbox, address_e
def filename_field(parent, config, defaultname, select_msg):
vbox = QVBoxLayout()
vbox.addWidget(QLabel(_("Format")))
gb = QGroupBox("format", parent)
b1 = QRadioButton(gb)
b1.setText(_("CSV"))
b1.setChecked(True)
b2 = QRadioButton(gb)
b2.setText(_("json"))
vbox.addWidget(b1)
vbox.addWidget(b2)
hbox = QHBoxLayout()
directory = config.get('io_dir', unicode(os.path.expanduser('~')))
path = os.path.join( directory, defaultname )
filename_e = QLineEdit()
filename_e.setText(path)
def func():
text = unicode(filename_e.text())
_filter = "*.csv" if text.endswith(".csv") else "*.json" if text.endswith(".json") else None
p = unicode( QFileDialog.getSaveFileName(None, select_msg, text, _filter))
if p:
filename_e.setText(p)
button = QPushButton(_('File'))
button.clicked.connect(func)
hbox.addWidget(button)
hbox.addWidget(filename_e)
vbox.addLayout(hbox)
def set_csv(v):
text = unicode(filename_e.text())
text = text.replace(".json",".csv") if v else text.replace(".csv",".json")
filename_e.setText(text)
b1.clicked.connect(lambda: set_csv(True))
b2.clicked.connect(lambda: set_csv(False))
return vbox, filename_e, b1
class ElectrumItemDelegate(QStyledItemDelegate):
def createEditor(self, parent, option, index):
return self.parent().createEditor(parent, option, index)
class MyTreeWidget(QTreeWidget):
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def __init__(self, parent, create_menu, headers, stretch_column=None,
editable_columns=None):
QTreeWidget.__init__(self, parent)
self.parent = parent
self.stretch_column = stretch_column
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(create_menu)
self.setUniformRowHeights(True)
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# extend the syntax for consistency
self.addChild = self.addTopLevelItem
self.insertChild = self.insertTopLevelItem
# Control which columns are editable
self.editor = None
self.pending_update = False
if editable_columns is None:
editable_columns = [stretch_column]
self.editable_columns = editable_columns
self.setItemDelegate(ElectrumItemDelegate(self))
self.itemActivated.connect(self.on_activated)
self.update_headers(headers)
def update_headers(self, headers):
self.setColumnCount(len(headers))
self.setHeaderLabels(headers)
self.header().setStretchLastSection(False)
for col in range(len(headers)):
sm = QHeaderView.Stretch if col == self.stretch_column else QHeaderView.ResizeToContents
self.header().setResizeMode(col, sm)
def editItem(self, item, column):
if column in self.editable_columns:
self.editing_itemcol = (item, column, unicode(item.text(column)))
# Calling setFlags causes on_changed events for some reason
item.setFlags(item.flags() | Qt.ItemIsEditable)
QTreeWidget.editItem(self, item, column)
item.setFlags(item.flags() & ~Qt.ItemIsEditable)
def keyPressEvent(self, event):
if event.key() == Qt.Key_F2:
self.on_activated(self.currentItem(), self.currentColumn())
else:
QTreeWidget.keyPressEvent(self, event)
def permit_edit(self, item, column):
return (column in self.editable_columns
and self.on_permit_edit(item, column))
def on_permit_edit(self, item, column):
return True
def on_activated(self, item, column):
if self.permit_edit(item, column):
self.editItem(item, column)
else:
pt = self.visualItemRect(item).bottomLeft()
pt.setX(50)
self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), pt)
def createEditor(self, parent, option, index):
self.editor = QStyledItemDelegate.createEditor(self.itemDelegate(),
parent, option, index)
self.editor.connect(self.editor, SIGNAL("editingFinished()"),
self.editing_finished)
return self.editor
def editing_finished(self):
# Long-time QT bug - pressing Enter to finish editing signals
# editingFinished twice. If the item changed the sequence is
# Enter key: editingFinished, on_change, editingFinished
# Mouse: on_change, editingFinished
# This mess is the cleanest way to ensure we make the
# on_edited callback with the updated item
if self.editor:
(item, column, prior_text) = self.editing_itemcol
if self.editor.text() == prior_text:
self.editor = None # Unchanged - ignore any 2nd call
elif item.text(column) == prior_text:
pass # Buggy first call on Enter key, item not yet updated
else:
# What we want - the updated item
self.on_edited(*self.editing_itemcol)
self.editor = None
# Now do any pending updates
if self.editor is None and self.pending_update:
self.pending_update = False
self.on_update()
def on_edited(self, item, column, prior):
'''Called only when the text actually changes'''
key = str(item.data(0, Qt.UserRole).toString())
text = unicode(item.text(column))
self.parent.wallet.set_label(key, text)
if text:
item.setForeground(column, QBrush(QColor('black')))
else:
text = self.parent.wallet.get_default_label(key)
item.setText(column, text)
item.setForeground(column, QBrush(QColor('gray')))
self.parent.history_list.update()
self.parent.update_completions()
def update(self):
# Defer updates if editing
if self.editor:
self.pending_update = True
else:
self.on_update()
def on_update(self):
pass
def get_leaves(self, root):
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child_count = root.childCount()
if child_count == 0:
yield root
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for i in range(child_count):
item = root.child(i)
for x in self.get_leaves(item):
yield x
def filter(self, p, columns):
p = unicode(p).lower()
for item in self.get_leaves(self.invisibleRootItem()):
item.setHidden(all([unicode(item.text(column)).lower().find(p) == -1
for column in columns]))
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class ButtonsWidget(QWidget):
def __init__(self):
super(QWidget, self).__init__()
self.buttons = []
def resizeButtons(self):
frameWidth = self.style().pixelMetric(QStyle.PM_DefaultFrameWidth)
x = self.rect().right() - frameWidth
y = self.rect().bottom() - frameWidth
for button in self.buttons:
sz = button.sizeHint()
x -= sz.width()
button.move(x, y - sz.height())
def addButton(self, icon_name, on_click, tooltip):
button = QToolButton(self)
button.setIcon(QIcon(icon_name))
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button.setStyleSheet("QToolButton { border: none; hover {border: 1px} pressed {border: 1px} padding: 0px; }")
button.setVisible(True)
button.setToolTip(tooltip)
button.clicked.connect(on_click)
self.buttons.append(button)
return button
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def addCopyButton(self, app):
self.app = app
f = lambda: self.app.clipboard().setText(str(self.text()))
self.addButton(":icons/copy.png", f, _("Copy to Clipboard"))
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class ButtonsLineEdit(QLineEdit, ButtonsWidget):
def __init__(self, text=None):
QLineEdit.__init__(self, text)
self.buttons = []
def resizeEvent(self, e):
o = QLineEdit.resizeEvent(self, e)
self.resizeButtons()
return o
class ButtonsTextEdit(QPlainTextEdit, ButtonsWidget):
def __init__(self, text=None):
QPlainTextEdit.__init__(self, text)
self.setText = self.setPlainText
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self.text = self.toPlainText
self.buttons = []
def resizeEvent(self, e):
o = QPlainTextEdit.resizeEvent(self, e)
self.resizeButtons()
return o
if __name__ == "__main__":
app = QApplication([])
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t = WaitingDialog(None, 'testing ...', lambda: [time.sleep(1)], lambda x: QMessageBox.information(None, 'done', "done", _('OK')))
t.start()
app.exec_()