Merge branch 'master' of git://github.com/spesmilo/electrum

gui/qt/installwizard.py

@@ -407,11 +407,11 @@ class InstallWizard(WindowModalDialog, MessageBoxMixin):
         return self.exec_()
 
     def password_dialog(self):
-        msg = _("Please choose a password to encrypt your wallet keys.")+'\n'\
-              +_("Leave these fields empty if you want to disable encryption.")
-        from password_dialog import make_password_dialog, run_password_dialog
-        self.set_layout( make_password_dialog(self, None, msg) )
-        return run_password_dialog(self, None, self)[2]
+        from password_dialog import PasswordDialog
+        msg = _("Please choose a password to encrypt your wallet keys.\n"
+                "Leave these fields empty if you want to disable encryption.")
+        dialog = PasswordDialog(self, None, _("Choose a password"), msg, True)
+        return dialog.run()[2]
 
     def run(self, action):
         if self.storage.file_exists and action != 'new':

gui/qt/main_window.py

@@ -48,7 +48,7 @@ from electrum import Imported_Wallet, paymentrequest
 from amountedit import BTCAmountEdit, MyLineEdit, BTCkBEdit
 from network_dialog import NetworkDialog
 from qrcodewidget import QRCodeWidget, QRDialog
-from qrtextedit import ScanQRTextEdit, ShowQRTextEdit
+from qrtextedit import ShowQRTextEdit
 from transaction_dialog import show_transaction
 from installwizard import InstallWizard
 
@@ -1568,6 +1568,13 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
     def paytomany(self):
         self.tabs.setCurrentIndex(1)
         self.payto_e.paytomany()
+        msg = '\n'.join([
+            _('Enter a list of outputs in the \'Pay to\' field.'),
+            _('One output per line.'),
+            _('Format: address, amount'),
+            _('You may load a CSV file using the file icon.')
+        ])
+        self.show_warning(msg, title=_('Pay to many'))
 
     def payto_contacts(self, labels):
         paytos = [self.get_contact_payto(label) for label in labels]
@@ -1852,8 +1859,39 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
     def change_password_dialog(self):
         from password_dialog import PasswordDialog
-        d = PasswordDialog(self.wallet, self)
-        d.run()
+
+        if self.wallet and self.wallet.is_watching_only():
+            self.show_error(_('This is a watching-only wallet'))
+            return
+
+        msg = (_('Your wallet is encrypted. Use this dialog to change your '
+                 'password. To disable wallet encryption, enter an empty new '
+                 'password.') if self.wallet.use_encryption
+               else _('Your wallet keys are not encrypted'))
+        d = PasswordDialog(self, self.wallet, _("Set Password"), msg, True)
+        ok, password, new_password = d.run()
+        if not ok:
+            return
+
+        try:
+            self.wallet.check_password(password)
+        except BaseException as e:
+            self.show_error(str(e))
+            return
+
+        try:
+            self.wallet.update_password(password, new_password)
+        except:
+            traceback.print_exc(file=sys.stdout)
+            self.show_error(_('Failed to update password'))
+            return
+
+        if new_password:
+            msg = _('Password was updated successfully')
+        else:
+            msg = _('This wallet is not encrypted')
+        self.show_message(msg, title=_("Success"))
+
         self.update_lock_icon()
 
     def toggle_search(self):
@@ -1985,10 +2023,10 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
 
 
-    def show_qrcode(self, data, title = _("QR code")):
+    def show_qrcode(self, data, title = _("QR code"), parent=None):
         if not data:
             return
-        d = QRDialog(data, self, title)
+        d = QRDialog(data, parent or self, title)
         d.exec_()
 
     def show_public_keys(self, address):
@@ -2154,10 +2192,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         layout.addLayout(hbox, 4, 1)
         d.exec_()
 
-
-    def question(self, msg):
-        return QMessageBox.question(self, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) == QMessageBox.Yes
-
     def password_dialog(self, msg=None, parent=None):
         if parent == None:
             parent = self
@@ -2205,7 +2239,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         from electrum import qrscanner
         try:
             data = qrscanner.scan_qr(self.config)
-        except BaseException as e:
+        except e:
             self.show_error(str(e))
             return
         if not data:
@@ -2495,10 +2529,10 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
     @protected
     def do_import_privkey(self, password):
         if not self.wallet.has_imported_keys():
-            r = QMessageBox.question(None, _('Warning'), '<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
-                                         + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
-                                         + _('Are you sure you understand what you are doing?'), 3, 4)
-            if r == 4: return
+            if not self.question('<b>'+_('Warning') +':\n</b><br/>'+ _('Imported keys are not recoverable from seed.') + ' ' \
+                                 + _('If you ever need to restore your wallet from its seed, these keys will be lost.') + '<p>' \
+                                 + _('Are you sure you understand what you are doing?'), title=_('Warning')):
+                return
 
         text = text_dialog(self, _('Import private keys'), _("Enter private keys")+':', _("Import"))
         if not text: return

gui/qt/password_dialog.py

@@ -23,84 +23,6 @@ from util import *
 import re
 import math
 
-
-
-def make_password_dialog(self, wallet, msg, new_pass=True):
-
-    self.pw = QLineEdit()
-    self.pw.setEchoMode(2)
-    self.new_pw = QLineEdit()
-    self.new_pw.setEchoMode(2)
-    self.conf_pw = QLineEdit()
-    self.conf_pw.setEchoMode(2)
-
-    vbox = QVBoxLayout()
-    label = QLabel(msg)
-    label.setWordWrap(True)
-
-    grid = QGridLayout()
-    grid.setSpacing(8)
-    grid.setColumnMinimumWidth(0, 70)
-    grid.setColumnStretch(1,1)
-
-    logo = QLabel()
-    lockfile = ":icons/lock.png" if wallet and wallet.use_encryption else ":icons/unlock.png"
-    logo.setPixmap(QPixmap(lockfile).scaledToWidth(36))
-    logo.setAlignment(Qt.AlignCenter)
-
-    grid.addWidget(logo,  0, 0)
-    grid.addWidget(label, 0, 1, 1, 2)
-    vbox.addLayout(grid)
-
-    grid = QGridLayout()
-    grid.setSpacing(8)
-    grid.setColumnMinimumWidth(0, 250)
-    grid.setColumnStretch(1,1)
-
-    if wallet and wallet.use_encryption:
-        grid.addWidget(QLabel(_('Password')), 0, 0)
-        grid.addWidget(self.pw, 0, 1)
-
-    grid.addWidget(QLabel(_('New Password') if new_pass else _('Password')), 1, 0)
-    grid.addWidget(self.new_pw, 1, 1)
-
-    grid.addWidget(QLabel(_('Confirm Password')), 2, 0)
-    grid.addWidget(self.conf_pw, 2, 1)
-    vbox.addLayout(grid)
-
-    #Password Strength Label
-    self.pw_strength = QLabel()
-    grid.addWidget(self.pw_strength, 3, 0, 1, 2)
-    self.new_pw.textChanged.connect(lambda: update_password_strength(self.pw_strength, self.new_pw.text()))
-
-    vbox.addStretch(1)
-    vbox.addLayout(Buttons(CancelButton(self), OkButton(self)))
-    return vbox
-
-
-def run_password_dialog(self, wallet, parent):
-
-    if wallet and wallet.is_watching_only():
-        QMessageBox.information(parent, _('Error'), _('This is a watching-only wallet'), _('OK'))
-        return False, None, None
-
-    if not self.exec_():
-        return False, None, None
-
-    password = unicode(self.pw.text()) if wallet and wallet.use_encryption else None
-    new_password = unicode(self.new_pw.text())
-    new_password2 = unicode(self.conf_pw.text())
-
-    if new_password != new_password2:
-        QMessageBox.warning(parent, _('Error'), _('Passwords do not match'), _('OK'))
-        # Retry
-        return run_password_dialog(self, wallet, parent)
-
-    if not new_password:
-        new_password = None
-
-    return True, password, new_password
-
 def check_password_strength(password):
 
     '''
@@ -117,57 +39,89 @@ def check_password_strength(password):
     password_strength = {0:"Weak",1:"Medium",2:"Strong",3:"Very Strong"}
     return password_strength[min(3, int(score))]
 
-
-def update_password_strength(pw_strength_label,password):
-
-    '''
-    call the function check_password_strength and update the label pw_strength interactively as the user is typing the password
-    :param pw_strength_label: the label pw_strength
-    :param password: password entered in New Password text box
-    :return: None
-    '''
-    if password:
-        colors = {"Weak":"Red","Medium":"Blue","Strong":"Green", "Very Strong":"Green"}
-        strength = check_password_strength(password)
-        label = _("Password Strength")+ ": "+"<font color=" + colors[strength] + ">" + strength + "</font>"
-    else:
-        label = ""
-    pw_strength_label.setText(label)
-
-
-
 class PasswordDialog(WindowModalDialog):
 
-    def __init__(self, wallet, parent):
-        WindowModalDialog.__init__(self, parent,_("Set Password"))
+    def __init__(self, parent, wallet, title, msg, new_pass):
+        WindowModalDialog.__init__(self, parent, title)
         self.wallet = wallet
-        self.parent = parent
-        msg = (_('Your wallet is encrypted. Use this dialog to change your password.') + ' '\
-               +_('To disable wallet encryption, enter an empty new password.')) \
-               if wallet.use_encryption else _('Your wallet keys are not encrypted')
-        self.setLayout(make_password_dialog(self, wallet, msg))
 
+        self.pw = QLineEdit()
+        self.pw.setEchoMode(2)
+        self.new_pw = QLineEdit()
+        self.new_pw.setEchoMode(2)
+        self.conf_pw = QLineEdit()
+        self.conf_pw.setEchoMode(2)
+
+        vbox = QVBoxLayout()
+        label = QLabel(msg)
+        label.setWordWrap(True)
+
+        grid = QGridLayout()
+        grid.setSpacing(8)
+        grid.setColumnMinimumWidth(0, 70)
+        grid.setColumnStretch(1,1)
+
+        logo = QLabel()
+        logo.setAlignment(Qt.AlignCenter)
+
+        grid.addWidget(logo,  0, 0)
+        grid.addWidget(label, 0, 1, 1, 2)
+        vbox.addLayout(grid)
+
+        grid = QGridLayout()
+        grid.setSpacing(8)
+        grid.setColumnMinimumWidth(0, 250)
+        grid.setColumnStretch(1,1)
+
+        if wallet and wallet.use_encryption:
+            grid.addWidget(QLabel(_('Password')), 0, 0)
+            grid.addWidget(self.pw, 0, 1)
+            lockfile = ":icons/lock.png"
+        else:
+            self.pw = None
+            lockfile = ":icons/unlock.png"
+        logo.setPixmap(QPixmap(lockfile).scaledToWidth(36))
+
+        grid.addWidget(QLabel(_('New Password') if new_pass else _('Password')), 1, 0)
+        grid.addWidget(self.new_pw, 1, 1)
+
+        grid.addWidget(QLabel(_('Confirm Password')), 2, 0)
+        grid.addWidget(self.conf_pw, 2, 1)
+        vbox.addLayout(grid)
+
+        # Password Strength Label
+        self.pw_strength = QLabel()
+        grid.addWidget(self.pw_strength, 3, 0, 1, 2)
+        self.new_pw.textChanged.connect(self.pw_changed)
+        self.conf_pw.textChanged.connect(self.check_OKButton)
+
+        self.OKButton = OkButton(self)
+        vbox.addStretch(1)
+        vbox.addLayout(Buttons(CancelButton(self), self.OKButton))
+        self.setLayout(vbox)
+
+    def pw_changed(self):
+        password = self.new_pw.text()
+        if password:
+            colors = {"Weak":"Red", "Medium":"Blue", "Strong":"Green",
+                      "Very Strong":"Green"}
+            strength = check_password_strength(password)
+            label = (_("Password Strength") + ": " + "<font color="
+                     + colors[strength] + ">" + strength + "</font>")
+        else:
+            label = ""
+        self.pw_strength.setText(label)
+        self.check_OKButton()
+
+    def check_OKButton(self):
+        self.OKButton.setEnabled(self.new_pw.text() == self.conf_pw.text())
 
     def run(self):
-        ok, password, new_password = run_password_dialog(self, self.wallet, self.parent)
-        if not ok:
-            return
-
-        try:
-            self.wallet.check_password(password)
-        except BaseException as e:
-            QMessageBox.warning(self.parent, _('Error'), str(e), _('OK'))
+        if not self.exec_():
             return False, None, None
 
-        try:
-            self.wallet.update_password(password, new_password)
-        except:
-            import traceback, sys
-            traceback.print_exc(file=sys.stdout)
-            QMessageBox.warning(self.parent, _('Error'), _('Failed to update password'), _('OK'))
-            return
+        password = unicode(self.pw.text()) if self.pw else None
+        new_password = unicode(self.new_pw.text())
+        new_password2 = unicode(self.conf_pw.text())
 
-        if new_password:
-            QMessageBox.information(self.parent, _('Success'), _('Password was updated successfully'), _('OK'))
-        else:
-            QMessageBox.information(self.parent, _('Success'), _('This wallet is not encrypted'), _('OK'))
+        return True, password or None, new_password or None

gui/qt/paytoedit.py

@@ -160,16 +160,8 @@ class PayToEdit(ScanQRTextEdit):
         return len(self.lines()) > 1
 
     def paytomany(self):
-        from electrum.i18n import _
         self.setText("\n\n\n")
         self.update_size()
-        msg = '\n'.join([
-            _('Enter a list of outputs in the \'Pay to\' field.'),
-            _('One output per line.'),
-            _('Format: address, amount.'),
-            _('You may load a CSV file using the file icon.')
-        ])
-        QMessageBox.warning(self, _('Pay to many'), msg, _('OK'))
 
     def update_size(self):
         docHeight = self.document().size().height()

gui/qt/qrcodewidget.py

@@ -1,6 +1,5 @@
 from PyQt4.QtGui import *
 from PyQt4.QtCore import *
-import PyQt4.QtCore as QtCore
 import PyQt4.QtGui as QtGui
 
 import os
@@ -9,6 +8,7 @@ import qrcode
 import electrum
 from electrum import bmp
 from electrum.i18n import _
+from util import WindowModalDialog, MessageBoxMixin
 
 
 class QRCodeWidget(QWidget):
@@ -83,13 +83,11 @@ class QRCodeWidget(QWidget):
 
 
 
-class QRDialog(QDialog):
+class QRDialog(WindowModalDialog, MessageBoxMixin):
 
     def __init__(self, data, parent=None, title = "", show_text=False):
-        QDialog.__init__(self, parent)
+        WindowModalDialog.__init__(self, parent, title)
 
-        d = self
-        d.setWindowTitle(title)
         vbox = QVBoxLayout()
         qrw = QRCodeWidget(data)
         vbox.addWidget(qrw, 1)
@@ -107,12 +105,12 @@ class QRDialog(QDialog):
 
             def print_qr():
                 bmp.save_qrcode(qrw.qr, filename)
-                QMessageBox.information(None, _('Message'), _("QR code saved to file") + " " + filename, _('OK'))
+                self.show_message(_("QR code saved to file") + " " + filename)
 
             def copy_to_clipboard():
                 bmp.save_qrcode(qrw.qr, filename)
                 QApplication.clipboard().setImage(QImage(filename))
-                QMessageBox.information(None, _('Message'), _("QR code saved to clipboard"), _('OK'))
+                self.show_message(_("QR code copied to clipboard"))
 
             b = QPushButton(_("Copy"))
             hbox.addWidget(b)
@@ -124,8 +122,8 @@ class QRDialog(QDialog):
 
         b = QPushButton(_("Close"))
         hbox.addWidget(b)
-        b.clicked.connect(d.accept)
+        b.clicked.connect(self.accept)
         b.setDefault(True)
 
         vbox.addLayout(hbox)
-        d.setLayout(vbox)
+        self.setLayout(vbox)

gui/qt/qrtextedit.py

@@ -3,7 +3,7 @@ from electrum.plugins import run_hook
 from PyQt4.QtGui import *
 from PyQt4.QtCore import *
 
-from util import ButtonsTextEdit
+from util import ButtonsTextEdit, MessageBoxMixin
 
 
 class ShowQRTextEdit(ButtonsTextEdit):
@@ -29,7 +29,7 @@ class ShowQRTextEdit(ButtonsTextEdit):
         m.exec_(e.globalPos())
 
 
-class ScanQRTextEdit(ButtonsTextEdit):
+class ScanQRTextEdit(ButtonsTextEdit, MessageBoxMixin):
 
     def __init__(self, text=""):
         ButtonsTextEdit.__init__(self, text)
@@ -50,8 +50,8 @@ class ScanQRTextEdit(ButtonsTextEdit):
         from electrum import qrscanner, get_config
         try:
             data = qrscanner.scan_qr(get_config())
-        except BaseException, e:
-            QMessageBox.warning(self, _('Error'), _(e), _('OK'))
+        except BaseException as e:
+            self.show_error(str(e))
             return ""
         if type(data) != str:
             return

gui/qt/transaction_dialog.py

@@ -38,7 +38,7 @@ def show_transaction(tx, parent, desc=None, prompt_if_unsaved=False):
     dialogs.append(d)
     d.show()
 
-class TxDialog(QDialog):
+class TxDialog(QDialog, MessageBoxMixin):
 
     def __init__(self, tx, parent, desc, prompt_if_unsaved):
         '''Transactions in the wallet will show their description.
@@ -62,7 +62,7 @@ class TxDialog(QDialog):
 
         vbox.addWidget(QLabel(_("Transaction ID:")))
         self.tx_hash_e  = ButtonsLineEdit()
-        qr_show = lambda: self.parent.show_qrcode(str(self.tx_hash_e.text()), 'Transaction ID')
+        qr_show = lambda: self.parent.show_qrcode(str(self.tx_hash_e.text()), 'Transaction ID', parent=self)
         self.tx_hash_e.addButton(":icons/qrcode.png", qr_show, _("Show as QR code"))
         self.tx_hash_e.setReadOnly(True)
         vbox.addWidget(self.tx_hash_e)
@@ -122,10 +122,7 @@ class TxDialog(QDialog):
 
     def closeEvent(self, event):
         if (self.prompt_if_unsaved and not self.saved and not self.broadcast
-            and QMessageBox.question(
-                self, _('Warning'),
-                _('This transaction is not saved. Close anyway?'),
-                QMessageBox.Yes | QMessageBox.No) == QMessageBox.No):
+            and not self.question(_('This transaction is not saved. Close anyway?'), title=_("Warning"))):
             event.ignore()
         else:
             event.accept()
@@ -135,7 +132,7 @@ class TxDialog(QDialog):
         text = self.tx.raw.decode('hex')
         text = base_encode(text, base=43)
         try:
-            self.parent.show_qrcode(text, 'Transaction')
+            self.parent.show_qrcode(text, 'Transaction', parent=self)
         except Exception as e:
             self.show_message(str(e))
 
@@ -291,8 +288,3 @@ class TxDialog(QDialog):
                 cursor.insertText(format_amount(v), ext)
             cursor.insertBlock()
         vbox.addWidget(o_text)
-
-
-
-    def show_message(self, msg):
-        QMessageBox.information(self, _('Message'), msg, _('OK'))

gui/qt/util.py

@@ -193,18 +193,26 @@ class CancelButton(QPushButton):
         self.clicked.connect(dialog.reject)
 
 class MessageBoxMixin:
+    def question(self, msg, parent=None, title=None):
+        Yes, No = QMessageBox.Yes, QMessageBox.No
+        return WindowModalDialog.question(parent or self, title, msg,
+                                          buttons=Yes|No,
+                                          defaultButton=No) == Yes
+
     def show_warning(self, msg, parent=None, title=None):
-        WindowModalDialog.warning(parent or self, title or _('Warning'), msg)
+        return WindowModalDialog.warning(parent or self,
+                                         title or _('Warning'), msg)
 
     def show_error(self, msg, parent=None):
-        self.show_warning(msg, parent=parent, title=_('Error'))
+        return self.show_warning(msg, parent=parent, title=_('Error'))
 
     def show_critical(self, msg, parent=None, title=None):
-        WindowModalDialog.critical(parent or self,
-                                   title or _('Critical Error'), msg)
+        return WindowModalDialog.critical(parent or self,
+                                          title or _('Critical Error'), msg)
 
     def show_message(self, msg, parent=None, title=None):
-        WindowModalDialog.information(self, title or _('Information'), msg)
+        return WindowModalDialog.information(self, title or _('Information'),
+                                             msg)
 
 class WindowModalDialog(QDialog):
     '''Handy wrapper; window modal dialogs are better for our multi-window
@@ -215,6 +223,10 @@ class WindowModalDialog(QDialog):
         if title:
             self.setWindowTitle(title)
 
+    @staticmethod
+    def question(*args, **kwargs):
+        return WindowModalDialog.msg_box(QMessageBox.Question, *args, **kwargs)
+
     @staticmethod
     def critical(*args, **kwargs):
         return WindowModalDialog.msg_box(QMessageBox.Critical, *args, **kwargs)

lib/qrscanner.py

@@ -12,7 +12,7 @@ proc = None
 def scan_qr(config):
     global proc
     if not zbar:
-        raise BaseException("\n".join([_("Cannot start QR scanner."),_("The zbar package is not available."),_("On Linux, try 'sudo pip install zbar'")]))
+        raise RuntimeError("\n".join([_("Cannot start QR scanner."),_("The zbar package is not available."),_("On Linux, try 'sudo pip install zbar'")]))
     if proc is None:
         device = config.get("video_device", "default")
         if device == 'default':

plugins/keepkey/qt.py

@@ -1,4 +1,4 @@
-from PyQt4.Qt import QMessageBox, QDialog, QVBoxLayout, QLabel, QThread, SIGNAL, QGridLayout, QInputDialog, QPushButton
+from PyQt4.Qt import QMessageBox, QVBoxLayout, QLabel, QThread, SIGNAL, QGridLayout, QInputDialog, QPushButton
 import PyQt4.QtCore as QtCore
 from electrum_gui.qt.util import *
 from electrum_gui.qt.main_window import StatusBarButton, ElectrumWindow
@@ -73,7 +73,7 @@ class Plugin(KeepKeyPlugin):
             return
         get_label = lambda: self.get_client().features.label
         update_label = lambda: current_label_label.setText("Label: %s" % get_label())
-        d = QDialog()
+        d = WindowModalDialog(window, _("KeepKey Settings"))
         layout = QGridLayout(d)
         layout.addWidget(QLabel("KeepKey Options"),0,0)
         layout.addWidget(QLabel("ID:"),1,0)
@@ -132,10 +132,7 @@ class KeepKeyQtHandler:
         return self.passphrase
 
     def pin_dialog(self):
-        d = QDialog(None)
-        d.setModal(1)
-        d.setWindowTitle(_("Enter PIN"))
-        d.setWindowFlags(d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
+        d = WindowModalDialog(self.win, _("Enter PIN"))
         matrix = PinMatrixWidget()
         vbox = QVBoxLayout()
         vbox.addWidget(QLabel(self.message))
@@ -153,23 +150,18 @@ class KeepKeyQtHandler:
             self.passphrase = unicodedata.normalize('NFKD', unicode(passphrase)) if passphrase else ''
         else:
             assert type(self.win) is InstallWizard
-            from electrum_gui.qt.password_dialog import make_password_dialog, run_password_dialog
-            d = QDialog()
-            d.setModal(1)
-            d.setLayout(make_password_dialog(d, None, self.message, False))
-            confirmed, p, passphrase = run_password_dialog(d, None, None)
+            from electrum_gui.qt.password_dialog import PasswordDialog
+            d = PasswordDialog(self.win, None, None, self.message, False)
+            confirmed, p, passphrase = d.run()
             if not confirmed:
-                QMessageBox.critical(None, _('Error'), _("Password request canceled"), _('OK'))
+                self.win.show_critical(_("Password request canceled"))
                 self.passphrase = None
             else:
                 self.passphrase = unicodedata.normalize('NFKD', unicode(passphrase)) if passphrase else ''
         self.done.set()
 
     def message_dialog(self):
-        self.d = QDialog()
-        self.d.setModal(1)
-        self.d.setWindowTitle('Please Check KeepKey Device')
-        self.d.setWindowFlags(self.d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
+        self.d = WindowModalDialog(self.win, _('Please Check KeepKey Device'))
         l = QLabel(self.message)
         vbox = QVBoxLayout(self.d)
         vbox.addWidget(l)
@@ -182,5 +174,3 @@ class KeepKeyQtHandler:
 
     def dialog_stop(self):
         self.d.hide()
-
-

plugins/trezor/qt.py

@@ -1,4 +1,4 @@
-from PyQt4.Qt import QMessageBox, QDialog, QVBoxLayout, QLabel, QThread, SIGNAL, QGridLayout, QInputDialog, QPushButton
+from PyQt4.Qt import QMessageBox, QVBoxLayout, QLabel, QThread, SIGNAL, QGridLayout, QInputDialog, QPushButton
 import PyQt4.QtCore as QtCore
 from electrum_gui.qt.util import *
 from electrum_gui.qt.main_window import StatusBarButton, ElectrumWindow
@@ -46,10 +46,7 @@ class TrezorQtHandler:
         return self.passphrase
 
     def pin_dialog(self):
-        d = QDialog(None)
-        d.setModal(1)
-        d.setWindowTitle(_("Enter PIN"))
-        d.setWindowFlags(d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
+        d = WindowModalDialog(self.win, _("Enter PIN"))
         matrix = PinMatrixWidget()
         vbox = QVBoxLayout()
         vbox.addWidget(QLabel(self.message))
@@ -67,23 +64,18 @@ class TrezorQtHandler:
             self.passphrase = unicodedata.normalize('NFKD', unicode(passphrase)) if passphrase else ''
         else:
             assert type(self.win) is InstallWizard
-            from electrum_gui.qt.password_dialog import make_password_dialog, run_password_dialog
-            d = QDialog()
-            d.setModal(1)
-            d.setLayout(make_password_dialog(d, None, self.message, False))
-            confirmed, p, passphrase = run_password_dialog(d, None, None)
+            from electrum_gui.qt.password_dialog import PasswordDialog
+            d = PasswordDialog(self.win, None, None, self.message, False)
+            confirmed, p, passphrase = d.run()
             if not confirmed:
-                QMessageBox.critical(None, _('Error'), _("Password request canceled"), _('OK'))
+                self.win.show_critical(_("Password request canceled"))
                 self.passphrase = None
             else:
                 self.passphrase = unicodedata.normalize('NFKD', unicode(passphrase)) if passphrase else ''
         self.done.set()
 
     def message_dialog(self):
-        self.d = QDialog()
-        self.d.setModal(1)
-        self.d.setWindowTitle('Please Check Trezor Device')
-        self.d.setWindowFlags(self.d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
+        self.d = WindowModalDialog(self.win, _('Please Check Trezor Device'))
         l = QLabel(self.message)
         vbox = QVBoxLayout(self.d)
         vbox.addWidget(l)
@@ -171,7 +163,7 @@ class Plugin(TrezorPlugin):
             return
         get_label = lambda: self.get_client().features.label
         update_label = lambda: current_label_label.setText("Label: %s" % get_label())
-        d = QDialog()
+        d = WindowModalDialog(window, _("Trezor Settings"))
         layout = QGridLayout(d)
         layout.addWidget(QLabel("Trezor Options"),0,0)
         layout.addWidget(QLabel("ID:"),1,0)