Configure window size based on screen dims on windows

piker/ui/_exec.py

@@ -61,7 +61,9 @@ _do_overrides()
 # XXX: pretty sure none of this shit works on linux as per:
 # https://bugreports.qt.io/browse/QTBUG-53022
 # it seems to work on windows.. no idea wtf is up.
+is_windows = False
 if platform.system() == "Windows":
+    is_windows = True
 
     # Proper high DPI scaling is available in Qt >= 5.6.0. This attibute
     # must be set before creating the application
@@ -182,6 +184,8 @@ def run_qtractor(
 
     window.main_widget = main_widget
     window.setCentralWidget(instance)
+    if is_windows:
+        window.configure_to_desktop()
 
     # actually render to screen
     window.show()

piker/ui/_window.py

@@ -153,8 +153,8 @@ class MainWindow(QtGui.QMainWindow):
     # XXX: for tiling wms this should scale
     # with the alloted window size.
     # TODO: detect for tiling and if untrue set some size?
-    # size = (300, 500)
-    size = (0, 0)
+    size = (300, 500)
+    #size = (0, 0)
 
     title = 'piker chart (ur symbol is loading bby)'
 
@@ -165,7 +165,7 @@ class MainWindow(QtGui.QMainWindow):
 
         self._status_bar: QStatusBar = None
         self._status_label: QLabel = None
-
+    
     @property
     def mode_label(self) -> QtGui.QLabel:
 
@@ -269,6 +269,16 @@ class MainWindow(QtGui.QMainWindow):
         assert screen, "Wow Qt is dumb as shit and has no screen..."
         return screen
 
+    def configure_to_desktop(
+        self,
+    ) -> None:
+        # https://stackoverflow.com/a/18975846
+        app = QtGui.QApplication.instance()
+        geo = self.current_screen().geometry()
+        h, w = geo.height(), geo.width()
+        self.resize(round(w * .375), round(h * 3/8))
+
+
 
 # singleton app per actor
 _qt_win: QtGui.QMainWindow = None