electrum

commit 9bbfd610be8457fb2911f963df3d0e8bca56a2c1
parent 363dd12a2a6d52addf4bb099c2ef20fd36abb6ed
Author: SomberNight <somber.night@protonmail.com>
Date:   Wed, 12 Dec 2018 19:58:13 +0100

qt: don't flash QWidgets on startup before main window is visible

Consider wallet without password set. Using Qt GUI.
When starting the app, before the main window appears, small artefacts
("minimised" windows?) would appear very briefly and then disappear.

Diffstat:
M
electrum/gui/qt/invoice_list.py
 | 
6
++++--
M
electrum/gui/qt/request_list.py
 | 
13
+++++++------

2 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/electrum/gui/qt/invoice_list.py b/electrum/gui/qt/invoice_list.py
@@ -58,8 +58,10 @@ class InvoiceList(MyTreeView):
             item[3].setFont(QFont(MONOSPACE_FONT))
             self.addTopLevelItem(item)
         self.selectionModel().select(self.model().index(0,0), QItemSelectionModel.SelectCurrent)
-        self.setVisible(len(inv_list))
-        self.parent.invoices_label.setVisible(len(inv_list))
+        if self.parent.isVisible():
+            b = len(inv_list) > 0
+            self.setVisible(b)
+            self.parent.invoices_label.setVisible(b)
 
     def import_invoices(self):
         import_meta_gui(self.parent, _('invoices'), self.parent.invoices.import_file, self.update)
diff --git a/electrum/gui/qt/request_list.py b/electrum/gui/qt/request_list.py
@@ -67,12 +67,13 @@ class RequestList(MyTreeView):
     def update(self):
         self.wallet = self.parent.wallet
         # hide receive tab if no receive requests available
-        b = len(self.wallet.receive_requests) > 0
-        self.setVisible(b)
-        self.parent.receive_requests_label.setVisible(b)
-        if not b:
-            self.parent.expires_label.hide()
-            self.parent.expires_combo.show()
+        if self.parent.isVisible():
+            b = len(self.wallet.receive_requests) > 0
+            self.setVisible(b)
+            self.parent.receive_requests_label.setVisible(b)
+            if not b:
+                self.parent.expires_label.hide()
+                self.parent.expires_combo.show()
 
         # update the receive address if necessary
         current_address = self.parent.receive_address_e.text()