Cosmetic adjustments

plock

@@ -1,21 +1,25 @@
 #!/usr/bin/env python3
 
+import os
+import pwd
 import sys
 import hashlib
 
 from PyQt5.QtWidgets import QApplication
 from PyQt5.QtWidgets import QMainWindow
 from PyQt5.QtWidgets import QLineEdit
+from PyQt5.QtWidgets import QLabel
 from PyQt5.QtWidgets import QVBoxLayout
 from PyQt5.QtWidgets import QWidget
-from PyQt5.QtGui import QCursor
+from PyQt5.QtWidgets import QDesktopWidget
 from PyQt5.QtCore import Qt
 from PyQt5.QtCore import QTimer
+from PyQt5.QtGui import QCursor
 
 
 CORRECT_PASSWORD_HASH = '1d2e2b10cf9a5474612138ac00bc8b1e8fe895822ddc1e77e0edd023fcff4565'
 
-class FullScreenWindow(QMainWindow):
+class LockScreen(QMainWindow):
     def __init__(self):
         super().__init__()
         self.title = 'plock'
@@ -24,21 +28,40 @@ class FullScreenWindow(QMainWindow):
     def initUI(self):
         self.setWindowTitle(self.title)
 
+        self.setWindowFlags(Qt.FramelessWindowHint)
+
         self.central_widget = QWidget()
+        self.central_widget.setFixedSize(300, 100)
         self.setCentralWidget(self.central_widget)
 
         layout = QVBoxLayout()
 
+        current_user = pwd.getpwuid(os.getuid())[0]
+        self.password_label = QLabel(f"{current_user}'s password:")
+        self.password_label.setAlignment(Qt.AlignCenter)
+
+        layout.addWidget(self.password_label)
+
         self.password_field = QLineEdit()
         self.password_field.setEchoMode(QLineEdit.Password)
         self.password_field.returnPressed.connect(self.check_password)
         self.password_field.setFixedWidth(200)
 
         layout.addWidget(self.password_field, 0, Qt.AlignCenter)
+        layout.setContentsMargins(50, 20, 50, 20)
 
         self.central_widget.setLayout(layout)
 
-        self.showFullScreen()
+        self.show()
+        QTimer.singleShot(100, self.centerOnScreen)
+        # self.showFullScreen()
+
+    def centerOnScreen(self):
+        screen_center = QDesktopWidget().availableGeometry().center()
+        frame_geometry = self.frameGeometry()
+        screen_center.setY(screen_center.y() - 100)
+        frame_geometry.moveCenter(screen_center)
+        self.move(frame_geometry.topLeft())
 
     def check_password(self):
         entered_password_hash = hashlib.sha256(self.password_field.text().encode('utf-8')).hexdigest()
@@ -50,25 +73,28 @@ class FullScreenWindow(QMainWindow):
         QTimer.singleShot(100, self.grabKeyboardAndMouse)
 
     def grabKeyboardAndMouse(self):
-        super().showFullScreen()
         self.grabMouse()
         self.grabKeyboard()
-        self.setCursor(QCursor(Qt.BlankCursor))
+        # self.setCursor(QCursor(Qt.BlankCursor))
         self.password_field.setFocus()
 
     def keyPressEvent(self, event):
         self.grabMouse()
         self.grabKeyboard()
-        if event.key() == Qt.Key_Escape:
-            if event.modifiers() & Qt.ControlModifier:
-                print("Secure exit requested")
-                self.close()
+        # Secret bypass (currently inactive)
+        if (
+            False
+            and event.key() == Qt.Key_Escape
+            and event.modifiers() & Qt.ControlModifier
+        ):
+            print("Secure exit requested")
+            self.close()
         else:
             self.password_field.keyPressEvent(event)
 
 def main() -> int:
     app = QApplication(sys.argv)
-    ex = FullScreenWindow()
+    ex = LockScreen()
     return app.exec_()
 
 if __name__ == '__main__':

start_cmatrix.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-/home/"$(whoami)"/.local/bin/cmatrix -f
+/home/"$(whoami)"/.local/bin/cmatrix -f -C blue "${@}"