Improve and fix Settings App icons

Set a blank icon for missing apps. Scale up small icons

Author: alimirjamali

qubesmanager/appmenu_select.py

@@ -139,6 +139,8 @@ def fill_apps_list(self, template=None):
                     icon = QtGui.QIcon(icon_path)
                     qpixmap = icon.pixmap(QtCore.QSize(512, 512))
                     qimage = QtGui.QImage(qpixmap)
+                    if qimage.size().width() < 48 or qimage.size().height() < 48:
+                        qimage = qimage.scaled(48, 48)
                     qimage = tint_qimage(qimage, self.vm.label.color)
                     qpixmap = QtGui.QPixmap(qimage)
                     icon = QtGui.QIcon(qpixmap)
@@ -162,6 +164,13 @@ def fill_apps_list(self, template=None):
 
         for app in whitelist:
             item = AppListWidgetItem.from_ident(app)
+            if item.icon().isNull():
+                qpixmap = QtGui.QPixmap(48, 48)
+                c = QtGui.QColor(0)
+                c.setAlpha(0)
+                qpixmap.fill(c)
+                icon = QtGui.QIcon(qpixmap)
+                item.setIcon(icon)
             self.app_list.selected_list.addItem(item)
 
         self.app_list.available_list.sortItems()