Added detect screen resolution function

gui/installer.py

@@ -3,6 +3,8 @@ import os
 
 from tape_editor_widgets import *
 
+from PIL import ImageGrab
+
 from pathlib import Path
 import yaml
 
@@ -41,6 +43,7 @@ class OptionsWidget(QWidget):
         self.height_spinbox.setValue(1080)
 
         self.detect_pushbutton = QPushButton("Detect screen resolution")
+        self.detect_pushbutton.clicked.connect(self.update_screen_res)
 
         self.resolution_hbox = QVBoxLayout()
         self.resolution_hbox.addWidget(self.width_spinbox)
@@ -96,6 +99,11 @@ class OptionsWidget(QWidget):
 
     # def update_label_description(self):
 
+    def update_screen_res(self):
+        img = ImageGrab.grab()
+        self.width_spinbox.setValue(img.size[0])
+        self.height_spinbox.setValue(img.size[1])
+
 
 # TODO: implement random local mod name