toggle capital gains columns in qt history tab

gui/qt/history_list.py

@@ -72,9 +72,10 @@ class HistoryList(MyTreeWidget, AcceptFileDragDrop):
         fx = self.parent.fx
         if fx and fx.show_history():
             headers.extend(['%s '%fx.ccy + _('Value')])
-            headers.extend(['%s '%fx.ccy + _('Acquisition price')])
-            headers.extend(['%s '%fx.ccy + _('Capital Gains')])
             self.editable_columns |= {6}
+            if fx.get_history_capital_gains_config():
+                headers.extend(['%s '%fx.ccy + _('Acquisition price')])
+                headers.extend(['%s '%fx.ccy + _('Capital Gains')])
         else:
             self.editable_columns -= {6}
         self.update_headers(headers)

gui/qt/main_window.py

@@ -2846,6 +2846,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
         # Fiat Currency
         hist_checkbox = QCheckBox()
+        hist_capgains_checkbox = QCheckBox()
         fiat_address_checkbox = QCheckBox()
         ccy_combo = QComboBox()
         ex_combo = QComboBox()
@@ -2867,6 +2868,11 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
             if not self.fx: return
             fiat_address_checkbox.setChecked(self.fx.get_fiat_address_config())
 
+        def update_history_capgains_cb():
+            if not self.fx: return
+            hist_capgains_checkbox.setChecked(self.fx.get_history_capital_gains_config())
+            hist_capgains_checkbox.setEnabled(hist_checkbox.isChecked())
+
         def update_exchanges():
             if not self.fx: return
             b = self.fx.is_enabled()
@@ -2905,6 +2911,12 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
             if self.fx.is_enabled() and checked:
                 # reset timeout to get historical rates
                 self.fx.timeout = 0
+            update_history_capgains_cb()
+
+        def on_history_capgains(checked):
+            if not self.fx: return
+            self.fx.set_history_capital_gains_config(checked)
+            self.history_list.refresh_headers()
 
         def on_fiat_address(checked):
             if not self.fx: return
@@ -2914,16 +2926,19 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
         update_currencies()
         update_history_cb()
+        update_history_capgains_cb()
         update_fiat_address_cb()
         update_exchanges()
         ccy_combo.currentIndexChanged.connect(on_currency)
         hist_checkbox.stateChanged.connect(on_history)
+        hist_capgains_checkbox.stateChanged.connect(on_history_capgains)
         fiat_address_checkbox.stateChanged.connect(on_fiat_address)
         ex_combo.currentIndexChanged.connect(on_exchange)
 
         fiat_widgets = []
         fiat_widgets.append((QLabel(_('Fiat currency')), ccy_combo))
         fiat_widgets.append((QLabel(_('Show history rates')), hist_checkbox))
+        fiat_widgets.append((QLabel(_('Show capital gains in history')), hist_capgains_checkbox))
         fiat_widgets.append((QLabel(_('Show Fiat balance for addresses')), fiat_address_checkbox))
         fiat_widgets.append((QLabel(_('Source')), ex_combo))
 

lib/exchange_rate.py

@@ -451,6 +451,12 @@ class FxThread(ThreadJob):
     def set_history_config(self, b):
         self.config.set_key('history_rates', bool(b))
 
+    def get_history_capital_gains_config(self):
+        return bool(self.config.get('history_rates_capital_gains', False))
+
+    def set_history_capital_gains_config(self, b):
+        self.config.set_key('history_rates_capital_gains', bool(b))
+
     def get_fiat_address_config(self):
         return bool(self.config.get('fiat_address'))