Make window DPI aware, need to restart on application on the window you wish to run for it to work right now

main_window.py

@@ -38,13 +38,14 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         # Size of point for drawing
         self._point_size = 8
 
-        # TODO: THESE ARE HARD CODED TO THE CURRENT QT WIDGET SIZES
-        #       FIX THIS PROPERLY WITH A RESIZE EVENT DETECT.
+        self._viewport_width = self.opengl_widget.width() * self.devicePixelRatio()
+        self._viewport_height = self.opengl_widget.height() * self.devicePixelRatio()
+
+        print(self.height())
+        print(self.width())
+
         # PointManager is a class that is filled with static methods
         # designed for managing state.
-        self._viewport_width = 833
-        self._viewport_height = 656
-
         PointManager.point_set = PointSet(self._point_size,
                                           self._viewport_width,
                                           self._viewport_height)

voronoiview.py

@@ -1,12 +1,16 @@
+import os
 import sys
 
 from PyQt5.QtWidgets import QApplication
+from PyQt5.QtCore import Qt
 
 from main_window import MainWindow
 
 
 def main():
+    os.environ["QT_AUTO_SCREEN_SCALE_FACTOR"] = "1"
     app = QApplication(sys.argv)
+    app.setAttribute(Qt.AA_EnableHighDpiScaling)
 
     window = MainWindow()
     window.show()
@@ -15,4 +19,4 @@ def main():
 
 
 if __name__ == '__main__':
-   main()
+    main()

voronoiview.ui

@@ -36,15 +36,21 @@
     <item>
      <widget class="QOpenGLWidget" name="opengl_widget">
       <property name="sizePolicy">
-       <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+       <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
         <horstretch>0</horstretch>
         <verstretch>0</verstretch>
        </sizepolicy>
       </property>
+      <property name="minimumSize">
+       <size>
+        <width>833</width>
+        <height>656</height>
+       </size>
+      </property>
       <property name="maximumSize">
        <size>
-        <width>900</width>
-        <height>16777215</height>
+        <width>833</width>
+        <height>656</height>
        </size>
       </property>
      </widget>

voronoiview/ui/mode_handlers.py

@@ -106,7 +106,8 @@ def _handle_add_point(ctx, event):
 
         try:
             # No attribute at the moment, default point color is Color.GREY.
-            PointManager.point_set.add_point(event.x(), event.y(), Color.GREY)
+            PointManager.point_set.add_point(event.x() * ctx.devicePixelRatio(),
+                                             event.y() * ctx.devicePixelRatio(), Color.GREY)
         except ExceededWindowBoundsError:
             # The user tried to place a point whos edges would be
             # on the outside of the window. We will just ignore it.
@@ -359,7 +360,7 @@ def _handle_voronoi(ctx, _):
 
         point_arr = [point.array for point in points]
 
-        PointManager.voronoi_results = Voronoi(point_arr)
+        PointManager.voronoi_results = Voronoi(point_arr, qhull_options='Qbb Qz Qx Qi Qc QJ')
 
         ctx.opengl_widget.update()
         ctx.voronoi_solved = True

voronoiview/ui/opengl_widget.py

@@ -13,22 +13,18 @@ It should be split up into a few more separate files eventually...
 Probably even into it's own module folder.
 """
 
-import math
-from typing import List
-
 from OpenGL.GL import (glBegin, glClearColor, glColor3f, glColor4f,
                        glEnable, glEnd, GL_LINES, GL_LINE_LOOP, GL_LINE_SMOOTH,
                        GL_POINTS, glPointSize, glVertex3f,
                        glViewport)
 
-from voronoiview.colors import Color, COLOR_TO_RGBA
-from voronoiview.exceptions import (handle_exceptions,
-                                    InvalidStateError)
+from voronoiview.colors import (Color, COLOR_TO_RGBA)
+
+from voronoiview.exceptions import InvalidStateError
 from voronoiview.mode import Mode
 from voronoiview.point_manager import PointManager
 
 # Constants set based on the size of the window.
-__BOTTOM_LEFT = (0, 0)
 __WIDTH = None
 __HEIGHT = None
 
@@ -147,9 +143,10 @@ def resize_gl(w, h):
     """
     global __WIDTH
     global __HEIGHT
+    global __current_context
 
-    __WIDTH = __current_context.opengl_widget.width()
-    __HEIGHT = __current_context.opengl_widget.height()
+    __WIDTH = __current_context.opengl_widget.width() * __current_context.devicePixelRatio()
+    __HEIGHT = __current_context.opengl_widget.height() * __current_context.devicePixelRatio()
 
 
 def viewport_width():
@@ -160,7 +157,6 @@ def viewport_height():
     return __HEIGHT
 
 
-@handle_exceptions
 def paint_gl():
     """
     Stock PaintGL function from OpenGL that switches
@@ -410,15 +406,16 @@ def draw_voronoi_diagram():
 
     color = COLOR_TO_RGBA[Color.BLACK]
 
-    for region_indices in results.regions:
-        # The region index is out of bounds
-        if -1 in region_indices:
-            continue
+    print(results.regions)
 
+    for region_indices in results.regions:
         glBegin(GL_LINE_LOOP)
         for idx in region_indices:
             vertex = vertices[idx]
 
+            if -1 in region_indices:
+                continue
+
             glColor3f(color[0], color[1], color[2])
             glVertex3f(__clamp_x(vertex[0]),
                        __clamp_y(vertex[1]),

voronoiview_ui.py

@@ -26,12 +26,13 @@ class Ui_MainWindow(object):
         self.horizontalLayout = QtWidgets.QHBoxLayout(self.centralwidget)
         self.horizontalLayout.setObjectName("horizontalLayout")
         self.opengl_widget = QtWidgets.QOpenGLWidget(self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Preferred)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.opengl_widget.sizePolicy().hasHeightForWidth())
         self.opengl_widget.setSizePolicy(sizePolicy)
-        self.opengl_widget.setMaximumSize(QtCore.QSize(900, 16777215))
+        self.opengl_widget.setMinimumSize(QtCore.QSize(833, 656))
+        self.opengl_widget.setMaximumSize(QtCore.QSize(833, 656))
         self.opengl_widget.setObjectName("opengl_widget")
         self.horizontalLayout.addWidget(self.opengl_widget)
         self.verticalLayout = QtWidgets.QVBoxLayout()