qt send tab: use monospace font in "from" UTXO-selection section

electrum/gui/qt/main_window.py

@@ -38,7 +38,7 @@ import queue
 import asyncio
 from typing import Optional, TYPE_CHECKING
 
-from PyQt5.QtGui import QPixmap, QKeySequence, QIcon, QCursor
+from PyQt5.QtGui import QPixmap, QKeySequence, QIcon, QCursor, QFont
 from PyQt5.QtCore import Qt, QRect, QStringListModel, QSize, pyqtSignal
 from PyQt5.QtWidgets import (QMessageBox, QComboBox, QSystemTrayIcon, QTabWidget,
                              QSpinBox, QMenuBar, QFileDialog, QCheckBox, QLabel,
@@ -87,7 +87,8 @@ from .util import (read_QIcon, ColorScheme, text_dialog, icon_path, WaitingDialo
                    OkButton, InfoButton, WWLabel, TaskThread, CancelButton,
                    CloseButton, HelpButton, MessageBoxMixin, EnterButton,
                    ButtonsLineEdit, CopyCloseButton, import_meta_gui, export_meta_gui,
-                   filename_field, address_field, char_width_in_lineedit, webopen)
+                   filename_field, address_field, char_width_in_lineedit, webopen,
+                   MONOSPACE_FONT)
 from .util import ButtonsTextEdit
 from .installwizard import WIF_HELP_TEXT
 from .history_list import HistoryList, HistoryModel
@@ -1559,10 +1560,12 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
 
         def format(x):
             h = x.get('prevout_hash')
-            return h[0:10] + '...' + h[-10:] + ":%d"%x.get('prevout_n') + u'\t' + "%s"%x.get('address')
+            return h[0:10] + '...' + h[-10:] + ":%d"%x.get('prevout_n') + '\t' + "%s"%x.get('address') + '\t'
 
-        for item in self.pay_from:
-            self.from_list.addTopLevelItem(QTreeWidgetItem( [format(item), self.format_amount(item['value']) ]))
+        for coin in self.pay_from:
+            item = QTreeWidgetItem([format(coin), self.format_amount(coin['value'])])
+            item.setFont(0, QFont(MONOSPACE_FONT))
+            self.from_list.addTopLevelItem(item)
 
     def get_contact_payto(self, key):
         _type, label = self.contacts.get(key)