Creating a non-functional GUI

src/main.py

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+import sys
+from PyQt6.QtWidgets import QApplication
+from PyQt6.QtGui import QIcon
+from mainwindow import MainWindow
+
+def main():
+    app = QApplication(sys.argv)
+    app.setApplicationName("Display Profile Manager")
+    app.setOrganizationName("KDE")
+    app.setOrganizationDomain("kde.org")
+    
+    # Set application icon (we'll add this later)
+    # app.setWindowIcon(QIcon.fromTheme("video-display"))
+    
+    window = MainWindow()
+    window.show()
+    
+    sys.exit(app.exec())
+
+if __name__ == "__main__":
+    main()

src/mainwindow.py

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+from PyQt6.QtWidgets import (QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
+                              QPushButton, QListWidget, QListWidgetItem, 
+                              QLabel, QGroupBox, QLineEdit, QMessageBox,
+                              QMenu, QMenuBar)
+from PyQt6.QtCore import Qt, QSize
+from PyQt6.QtGui import QAction, QKeySequence, QIcon
+from save_dialog import SaveProfileDialog
+from profile_manager import ProfileManager
+
+class MainWindow(QMainWindow):
+    def __init__(self):
+        super().__init__()
+        self.profile_manager = ProfileManager()
+        self.init_ui()
+        self.load_profiles()
+        
+    def init_ui(self):
+        self.setWindowTitle("Display Profile Manager")
+        self.setMinimumSize(800, 600)
+        
+        # Create menu bar
+        self.create_menu_bar()
+        
+        # Create central widget
+        central_widget = QWidget()
+        self.setCentralWidget(central_widget)
+        
+        # Main layout
+        main_layout = QHBoxLayout(central_widget)
+        
+        # Left panel - Profile list
+        left_panel = self.create_left_panel()
+        main_layout.addWidget(left_panel, 2)
+        
+        # Right panel - Profile details
+        right_panel = self.create_right_panel()
+        main_layout.addWidget(right_panel, 1)
+        
+    def create_menu_bar(self):
+        menubar = self.menuBar()
+        
+        # File menu
+        file_menu = menubar.addMenu("&File")
+        
+        save_action = QAction("&Save Current Display", self)
+        save_action.setShortcut(QKeySequence("Ctrl+S"))
+        save_action.triggered.connect(self.save_profile)
+        file_menu.addAction(save_action)
+        
+        file_menu.addSeparator()
+        
+        quit_action = QAction("&Quit", self)
+        quit_action.setShortcut(QKeySequence("Ctrl+Q"))
+        quit_action.triggered.connect(self.close)
+        file_menu.addAction(quit_action)
+        
+        # Edit menu
+        edit_menu = menubar.addMenu("&Edit")
+        
+        rename_action = QAction("&Rename Profile", self)
+        rename_action.setShortcut(QKeySequence("F2"))
+        rename_action.triggered.connect(self.rename_profile)
+        edit_menu.addAction(rename_action)
+        
+        delete_action = QAction("&Delete Profile", self)
+        delete_action.setShortcut(QKeySequence("Delete"))
+        delete_action.triggered.connect(self.delete_profile)
+        edit_menu.addAction(delete_action)
+        
+        # Help menu
+        help_menu = menubar.addMenu("&Help")
+        
+        about_action = QAction("&About", self)
+        about_action.triggered.connect(self.show_about)
+        help_menu.addAction(about_action)
+        
+    def create_left_panel(self):
+        left_widget = QWidget()
+        left_layout = QVBoxLayout(left_widget)
+        
+        # Title
+        title_label = QLabel("Saved Profiles")
+        title_label.setStyleSheet("font-size: 14pt; font-weight: bold;")
+        left_layout.addWidget(title_label)
+        
+        # Profile list
+        self.profile_list = QListWidget()
+        self.profile_list.itemSelectionChanged.connect(self.on_profile_selected)
+        self.profile_list.itemDoubleClicked.connect(self.load_selected_profile)
+        left_layout.addWidget(self.profile_list)
+        
+        # Buttons
+        button_layout = QHBoxLayout()
+        
+        self.save_btn = QPushButton("Save Current")
+        self.save_btn.clicked.connect(self.save_profile)
+        button_layout.addWidget(self.save_btn)
+        
+        self.load_btn = QPushButton("Load")
+        self.load_btn.clicked.connect(self.load_selected_profile)
+        self.load_btn.setEnabled(False)
+        button_layout.addWidget(self.load_btn)
+        
+        self.delete_btn = QPushButton("Delete")
+        self.delete_btn.clicked.connect(self.delete_profile)
+        self.delete_btn.setEnabled(False)
+        button_layout.addWidget(self.delete_btn)
+        
+        left_layout.addLayout(button_layout)
+        
+        return left_widget
+        
+    def create_right_panel(self):
+        right_widget = QWidget()
+        right_layout = QVBoxLayout(right_widget)
+        
+        # Profile details group
+        details_group = QGroupBox("Profile Details")
+        details_layout = QVBoxLayout(details_group)
+        
+        # Profile name
+        name_layout = QHBoxLayout()
+        name_layout.addWidget(QLabel("Name:"))
+        self.name_edit = QLineEdit()
+        self.name_edit.setReadOnly(True)
+        name_layout.addWidget(self.name_edit)
+        details_layout.addLayout(name_layout)
+        
+        # Keyboard shortcut
+        shortcut_layout = QHBoxLayout()
+        shortcut_layout.addWidget(QLabel("Shortcut:"))
+        self.shortcut_label = QLabel("None")
+        shortcut_layout.addWidget(self.shortcut_label)
+        shortcut_layout.addStretch()
+        self.set_shortcut_btn = QPushButton("Set Shortcut")
+        self.set_shortcut_btn.setEnabled(False)
+        self.set_shortcut_btn.clicked.connect(self.set_shortcut)
+        shortcut_layout.addWidget(self.set_shortcut_btn)
+        details_layout.addLayout(shortcut_layout)
+        
+        # Profile info
+        self.info_label = QLabel("Select a profile to view details")
+        self.info_label.setWordWrap(True)
+        self.info_label.setAlignment(Qt.AlignmentFlag.AlignTop)
+        details_layout.addWidget(self.info_label)
+        
+        details_layout.addStretch()
+        
+        right_layout.addWidget(details_group)
+        right_layout.addStretch()
+        
+        return right_widget
+        
+    def load_profiles(self):
+        """Load and display all saved profiles"""
+        self.profile_list.clear()
+        profiles = self.profile_manager.list_profiles()
+        
+        for profile in profiles:
+            item = QListWidgetItem(profile['name'])
+            item.setData(Qt.ItemDataRole.UserRole, profile)
+            self.profile_list.addItem(item)
+            
+    def save_profile(self):
+        """Show dialog to save current display configuration"""
+        dialog = SaveProfileDialog(self.profile_manager, self)
+        if dialog.exec():
+            profile_name = dialog.get_profile_name()
+            try:
+                self.profile_manager.save_profile(profile_name)
+                self.load_profiles()
+                QMessageBox.information(self, "Success", 
+                                       f"Profile '{profile_name}' saved successfully!")
+            except Exception as e:
+                QMessageBox.critical(self, "Error", 
+                                    f"Failed to save profile: {str(e)}")
+                
+    def load_selected_profile(self):
+        """Load the selected profile"""
+        current_item = self.profile_list.currentItem()
+        if not current_item:
+            return
+            
+        profile = current_item.data(Qt.ItemDataRole.UserRole)
+        try:
+            self.profile_manager.load_profile(profile['id'])
+            QMessageBox.information(self, "Success", 
+                                   f"Profile '{profile['name']}' loaded successfully!")
+        except Exception as e:
+            QMessageBox.critical(self, "Error", 
+                                f"Failed to load profile: {str(e)}")
+            
+    def delete_profile(self):
+        """Delete the selected profile"""
+        current_item = self.profile_list.currentItem()
+        if not current_item:
+            return
+            
+        profile = current_item.data(Qt.ItemDataRole.UserRole)
+        
+        reply = QMessageBox.question(self, "Confirm Delete",
+                                     f"Are you sure you want to delete '{profile['name']}'?",
+                                     QMessageBox.StandardButton.Yes | 
+                                     QMessageBox.StandardButton.No)
+        
+        if reply == QMessageBox.StandardButton.Yes:
+            try:
+                self.profile_manager.delete_profile(profile['id'])
+                self.load_profiles()
+                QMessageBox.information(self, "Success", 
+                                       f"Profile '{profile['name']}' deleted successfully!")
+            except Exception as e:
+                QMessageBox.critical(self, "Error", 
+                                    f"Failed to delete profile: {str(e)}")
+                
+    def rename_profile(self):
+        """Rename the selected profile"""
+        current_item = self.profile_list.currentItem()
+        if not current_item:
+            return
+            
+        # Make item editable
+        self.profile_list.editItem(current_item)
+        
+    def on_profile_selected(self):
+        """Handle profile selection"""
+        current_item = self.profile_list.currentItem()
+        has_selection = current_item is not None
+        
+        self.load_btn.setEnabled(has_selection)
+        self.delete_btn.setEnabled(has_selection)
+        self.set_shortcut_btn.setEnabled(has_selection)
+        
+        if has_selection:
+            profile = current_item.data(Qt.ItemDataRole.UserRole)
+            self.name_edit.setText(profile['name'])
+            self.name_edit.setReadOnly(False)
+            
+            shortcut = profile.get('shortcut', 'None')
+            self.shortcut_label.setText(shortcut)
+            
+            # Display profile info
+            info_text = f"Created: {profile.get('created', 'Unknown')}\n"
+            info_text += f"Last Modified: {profile.get('modified', 'Unknown')}"
+            self.info_label.setText(info_text)
+        else:
+            self.name_edit.clear()
+            self.name_edit.setReadOnly(True)
+            self.shortcut_label.setText("None")
+            self.info_label.setText("Select a profile to view details")
+            
+    def set_shortcut(self):
+        """Set keyboard shortcut for selected profile"""
+        QMessageBox.information(self, "Coming Soon", 
+                               "Keyboard shortcut configuration will be implemented next!")
+        
+    def show_about(self):
+        """Show about dialog"""
+        QMessageBox.about(self, "About Display Profile Manager",
+                         "Display Profile Manager\n\n"
+                         "Manage KDE Plasma display configurations\n\n"
+                         "Save, load, and manage multiple display profiles\n"
+                         "with keyboard shortcuts.")

src/profile_manager.py

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+import os
+import json
+import subprocess
+from datetime import datetime
+from pathlib import Path
+import uuid
+
+class ProfileManager:
+    def __init__(self):
+        self.config_dir = Path.home() / ".local/share/plasma-display-profiles"
+        self.config_dir.mkdir(parents=True, exist_ok=True)
+        self.metadata_file = self.config_dir / "profiles.json"
+        self.script_path = self.find_script()
+        
+        # Initialize metadata file if it doesn't exist
+        if not self.metadata_file.exists():
+            self.save_metadata([])
+            
+    def find_script(self):
+        """Find the bash script for display management"""
+        # Check common locations
+        possible_paths = [
+            Path(__file__).parent.parent / "scripts/display-script.sh",
+            Path.home() / "bin/display-script.sh",
+            Path("/usr/local/bin/display-script.sh"),
+        ]
+        
+        for path in possible_paths:
+            if path.exists():
+                return path
+                
+        # For now, return None - we'll handle this gracefully
+        return None
+        
+    def load_metadata(self):
+        """Load profile metadata from JSON file"""
+        try:
+            with open(self.metadata_file, 'r') as f:
+                return json.load(f)
+        except (FileNotFoundError, json.JSONDecodeError):
+            return []
+            
+    def save_metadata(self, profiles):
+        """Save profile metadata to JSON file"""
+        with open(self.metadata_file, 'w') as f:
+            json.dump(profiles, f, indent=2)
+            
+    def list_profiles(self):
+        """Return list of all profiles"""
+        return self.load_metadata()
+        
+    def save_profile(self, name):
+        """Save current display configuration as a new profile"""
+        profiles = self.load_metadata()
+        
+        # Generate unique ID
+        profile_id = str(uuid.uuid4())
+        timestamp = datetime.now().isoformat()
+        
+        # Create profile entry
+        profile = {
+            'id': profile_id,
+            'name': name,
+            'created': timestamp,
+            'modified': timestamp,
+            'script_file': f"{profile_id}.sh",
+            'shortcut': None
+        }
+        
+        # TODO: Call bash script to save display configuration
+        # For now, create a placeholder script file
+        script_file = self.config_dir / profile['script_file']
+        script_file.write_text(f"#!/bin/bash\n# Display profile: {name}\n# Created: {timestamp}\n")
+        script_file.chmod(0o755)
+        
+        # If script exists, call it
+        if self.script_path and self.script_path.exists():
+            try:
+                subprocess.run([str(self.script_path), 'save', str(script_file)], 
+                             check=True, capture_output=True)
+            except subprocess.CalledProcessError as e:
+                raise Exception(f"Script execution failed: {e.stderr.decode()}")
+        
+        profiles.append(profile)
+        self.save_metadata(profiles)
+        
+    def load_profile(self, profile_id):
+        """Load a display profile"""
+        profiles = self.load_metadata()
+        profile = next((p for p in profiles if p['id'] == profile_id), None)
+        
+        if not profile:
+            raise Exception(f"Profile not found: {profile_id}")
+            
+        script_file = self.config_dir / profile['script_file']
+        
+        if not script_file.exists():
+            raise Exception(f"Profile script not found: {script_file}")
+            
+        # Execute the profile script
+        try:
+            if self.script_path and self.script_path.exists():
+                subprocess.run([str(self.script_path), 'load', str(script_file)], 
+                             check=True, capture_output=True)
+            else:
+                # Fallback: execute script directly
+                subprocess.run([str(script_file)], check=True, capture_output=True)
+        except subprocess.CalledProcessError as e:
+            raise Exception(f"Failed to load profile: {e.stderr.decode()}")
+            
+    def delete_profile(self, profile_id):
+        """Delete a profile"""
+        profiles = self.load_metadata()
+        profile = next((p for p in profiles if p['id'] == profile_id), None)
+        
+        if not profile:
+            raise Exception(f"Profile not found: {profile_id}")
+            
+        # Remove script file
+        script_file = self.config_dir / profile['script_file']
+        if script_file.exists():
+            script_file.unlink()
+            
+        # Remove from metadata
+        profiles = [p for p in profiles if p['id'] != profile_id]
+        self.save_metadata(profiles)
+        
+    def rename_profile(self, profile_id, new_name):
+        """Rename a profile"""
+        profiles = self.load_metadata()
+        profile = next((p for p in profiles if p['id'] == profile_id), None)
+        
+        if not profile:
+            raise Exception(f"Profile not found: {profile_id}")
+            
+        profile['name'] = new_name
+        profile['modified'] = datetime.now().isoformat()
+        
+        self.save_metadata(profiles)

src/save_dialog.py

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+from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel, 
+                              QLineEdit, QPushButton, QMessageBox)
+from PyQt6.QtCore import Qt
+
+class SaveProfileDialog(QDialog):
+    def __init__(self, profile_manager, parent=None):
+        super().__init__(parent)
+        self.profile_manager = profile_manager
+        self.init_ui()
+        
+    def init_ui(self):
+        self.setWindowTitle("Save Display Profile")
+        self.setMinimumWidth(400)
+        
+        layout = QVBoxLayout(self)
+        
+        # Instruction label
+        info_label = QLabel("Enter a name for this display profile:")
+        layout.addWidget(info_label)
+        
+        # Profile name input
+        self.name_input = QLineEdit()
+        self.name_input.setPlaceholderText(self.get_default_name())
+        self.name_input.textChanged.connect(self.validate_input)
+        layout.addWidget(self.name_input)
+        
+        # Hint label
+        hint_label = QLabel("Leave empty to use default name")
+        hint_label.setStyleSheet("color: gray; font-size: 9pt;")
+        layout.addWidget(hint_label)
+        
+        # Buttons
+        button_layout = QHBoxLayout()
+        
+        self.save_btn = QPushButton("Save")
+        self.save_btn.setDefault(True)
+        self.save_btn.clicked.connect(self.accept)
+        
+        cancel_btn = QPushButton("Cancel")
+        cancel_btn.clicked.connect(self.reject)
+        
+        button_layout.addStretch()
+        button_layout.addWidget(cancel_btn)
+        button_layout.addWidget(self.save_btn)
+        
+        layout.addLayout(button_layout)
+        
+    def get_default_name(self):
+        """Generate default profile name"""
+        profiles = self.profile_manager.list_profiles()
+        
+        # Find the next available number
+        counter = 1
+        while True:
+            name = f"My Profile {counter}"
+            if not any(p['name'] == name for p in profiles):
+                return name
+            counter += 1
+            
+    def validate_input(self):
+        """Validate profile name"""
+        name = self.name_input.text().strip()
+        if not name:
+            self.save_btn.setEnabled(True)
+            return
+            
+        # Check for duplicates
+        profiles = self.profile_manager.list_profiles()
+        if any(p['name'] == name for p in profiles):
+            self.save_btn.setEnabled(False)
+        else:
+            self.save_btn.setEnabled(True)
+            
+    def get_profile_name(self):
+        """Return the profile name (default or custom)"""
+        name = self.name_input.text().strip()
+        return name if name else self.get_default_name()