Initial work on #653

- Update both qt/directories_dialog.py and qt/result_window.py to have
the same resizing on out of bounds.
- Update moveToScreenCenter to do most of the checks needed
- Add additional preference to help track maximized position of
results window

qtlib/util.py

@@ -15,9 +15,8 @@ import logging
 from hscommon.util import first
 
 from PyQt5.QtCore import QStandardPaths
-from PyQt5.QtGui import QPixmap, QIcon
+from PyQt5.QtGui import QPixmap, QIcon, QGuiApplication
 from PyQt5.QtWidgets import (
-    QDesktopWidget,
     QSpacerItem,
     QSizePolicy,
     QAction,
@@ -27,8 +26,21 @@ from PyQt5.QtWidgets import (
 
 def moveToScreenCenter(widget):
     frame = widget.frameGeometry()
-    frame.moveCenter(QDesktopWidget().availableGeometry().center())
-    widget.move(frame.topLeft())
+    if QGuiApplication.screenAt(frame.center()) is None:
+        # if center not on any screen use default screen
+        screen = QGuiApplication.screens[0].availableGeometry()
+    else:
+        screen = QGuiApplication.screenAt(frame.center()).availableGeometry()
+    # moves to center of screen if partially off screen
+    if screen.contains(frame) is False:
+        # make sure the frame is not larger than screen
+        # resize does not seem to take frame size into account (move does)
+        widget.resize(
+            frame.size().boundedTo(screen.size() - (frame.size() - widget.size()))
+        )
+        frame = widget.frameGeometry()
+        frame.moveCenter(screen.center())
+        widget.move(frame.topLeft())
 
 
 def verticalSpacer(size=None):