qt util: add VLine class, for vertical line separators

electrum/gui/qt/channel_details.py

@@ -15,7 +15,7 @@ from electrum.bitcoin import COIN
 from electrum.wallet import Abstract_Wallet
 
 from .util import Buttons, CloseButton, ShowQRLineEdit, MessageBoxMixin, WWLabel
-from .util import QtEventListener, qt_event_listener
+from .util import QtEventListener, qt_event_listener, VLine
 
 if TYPE_CHECKING:
     from .main_window import ElectrumWindow
@@ -242,11 +242,7 @@ class ChannelDetailsDialog(QtWidgets.QDialog, MessageBoxMixin, QtEventListener):
         # channel stats left column
         hbox_stats.addLayout(form_layout_left, 50)
         # vertical line separator
-        line_separator = QtWidgets.QFrame()
+        hbox_stats.addWidget(VLine())
-        line_separator.setFrameShape(QtWidgets.QFrame.VLine)
-        line_separator.setFrameShadow(QtWidgets.QFrame.Sunken)
-        line_separator.setLineWidth(1)
-        hbox_stats.addWidget(line_separator)
         # channel stats right column
         hbox_stats.addLayout(form_layout_right, 50)
         return hbox_stats

electrum/gui/qt/transaction_dialog.py

@@ -62,7 +62,7 @@ from .util import (MessageBoxMixin, read_QIcon, Buttons, icon_path,
                    TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX,
                    TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX,
                    BlockingWaitingDialog, getSaveFileName, ColorSchemeItem,
-                   get_iconname_qrcode)
+                   get_iconname_qrcode, VLine)
 from .rate_limiter import rate_limited
 from .my_treeview import create_toolbar_with_menu
 
@@ -961,11 +961,7 @@ class TxDialog(QDialog, MessageBoxMixin):
         hbox_stats.addLayout(vbox_left, 50)
 
         # vertical line separator
-        line_separator = QFrame()
+        hbox_stats.addWidget(VLine())
-        line_separator.setFrameShape(QFrame.VLine)
-        line_separator.setFrameShadow(QFrame.Sunken)
-        line_separator.setLineWidth(1)
-        hbox_stats.addWidget(line_separator)
 
         # right column
         vbox_right = QVBoxLayout()

electrum/gui/qt/util.py

@@ -15,7 +15,8 @@ from PyQt5.QtCore import (Qt, pyqtSignal, QCoreApplication, QThread, QSize, QRec
 from PyQt5.QtWidgets import (QPushButton, QLabel, QMessageBox, QHBoxLayout, QVBoxLayout, QLineEdit,
                              QStyle, QDialog, QGroupBox, QButtonGroup, QRadioButton,
                              QFileDialog, QWidget, QToolButton, QPlainTextEdit, QApplication, QToolTip,
-                             QGraphicsEffect, QGraphicsScene, QGraphicsPixmapItem, QLayoutItem, QLayout, QMenu)
+                             QGraphicsEffect, QGraphicsScene, QGraphicsPixmapItem, QLayoutItem, QLayout, QMenu,
+                             QFrame)
 
 from electrum.i18n import _
 from electrum.util import FileImportFailed, FileExportFailed, resource_path
@@ -559,6 +560,14 @@ class ResizableStackedWidget(QWidget):
         return len(self.widgets)
 
 
+class VLine(QFrame):
+    """Vertical line separator"""
+    def __init__(self):
+        super(VLine, self).__init__()
+        self.setFrameShape(self.VLine | self.Sunken)
+        self.setLineWidth(1)
+
+
 def address_field(addresses):
     hbox = QHBoxLayout()
     address_e = QLineEdit()