pass opts to main window; force zoom factor to 1 on lodpi

aqt/__init__.py

@@ -299,7 +299,7 @@ environment points to a valid, writable folder.""")
 
     # load the main window
     import aqt.main
-    mw = aqt.main.AnkiQt(app, pm, args)
+    mw = aqt.main.AnkiQt(app, pm, opts, args)
     if exec:
         app.exec()
     else:

aqt/main.py

@@ -32,9 +32,10 @@ from aqt.utils import saveGeom, restoreGeom, showInfo, showWarning, \
 import sip
 
 class AnkiQt(QMainWindow):
-    def __init__(self, app, profileManager, args):
+    def __init__(self, app, profileManager, opts, args):
         QMainWindow.__init__(self)
         self.state = "startup"
+        self.opts = opts
         aqt.mw = self
         self.app = app
         self.pm = profileManager

aqt/webview.py

@@ -73,8 +73,6 @@ class AnkiWebPage(QWebEnginePage):
 # Main web view
 ##########################################################################
 
-dpiWarned = False
-
 class AnkiWebView(QWebEngineView):
 
     def __init__(self, parent=None):
@@ -159,9 +157,11 @@ class AnkiWebView(QWebEngineView):
             oldFocus.setFocus()
 
     def zoomFactor(self):
-        global dpiWarned
+        from aqt import mw
         if isMac:
             return 1
+        if isWin and mw.opts.lodpi:
+            return 1
         screen = QApplication.desktop().screen()
         dpi = screen.logicalDpiX()
         factor = dpi / 96.0
@@ -170,9 +170,6 @@ class AnkiWebView(QWebEngineView):
             return factor
         # compensate for qt's integer scaling
         # on windows
-        if isWin and screen.physicalDpiX() % 72 != 0 and not dpiWarned:
-            showWarning("Unexpected physical DPI - try starting Anki with --lodpi")
-            dpiWarned = True
         qtIntScale = 72/screen.physicalDpiX()
         desiredScale = factor * qtIntScale
         newFactor = desiredScale / qtIntScale