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Add theme support with dynamic monitoring and UI updates

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Gabriel20xx
2025-07-31 14:50:21 +02:00
parent 9a44d9c059
commit 7aeaae8880
1 changed files with 360 additions and 38 deletions
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main.py
+360 -38
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@@ -1283,6 +1283,9 @@ class MainWindow(QtWidgets.QMainWindow):
self.selected_step_idx = None
self.last_toggle_time = 0 # For debounce of start/stop
# Theme support
self.theme_mode = 'system' # 'light', 'dark', or 'system'
# Memory optimization attributes
self._last_screenshot = None
self._last_screenshot_time = 0
@@ -1314,6 +1317,40 @@ class MainWindow(QtWidgets.QMainWindow):
# Initial resource display update (delayed to prevent startup hanging)
QtCore.QTimer.singleShot(2000, self._enable_resource_monitoring)
# Setup system theme monitoring timer (only when in system mode)
self.theme_monitor_timer = QtCore.QTimer()
self.theme_monitor_timer.timeout.connect(self._check_system_theme_change)
self._last_system_theme = None
# Start theme monitoring if in system mode
if self.theme_mode == 'system':
self.theme_monitor_timer.start(5000) # Check every 5 seconds
def _check_system_theme_change(self):
"""
Check if the system theme has changed and update accordingly.
Only runs when theme_mode is 'system'.
"""
if self.theme_mode != 'system':
self.theme_monitor_timer.stop()
return
try:
current_system_theme = self.is_system_dark_theme()
if self._last_system_theme is None:
self._last_system_theme = current_system_theme
return
if current_system_theme != self._last_system_theme:
logger.info(f'System theme changed to: {"Dark" if current_system_theme else "Light"}')
self._last_system_theme = current_system_theme
self.apply_theme()
self._update_theme_button_text()
except Exception as e:
logger.debug(f"Error checking system theme change: {e}")
def _enable_resource_monitoring(self):
"""Enable resource monitoring after startup delay."""
@@ -1406,16 +1443,18 @@ class MainWindow(QtWidgets.QMainWindow):
def _update_resource_display(self, memory_info):
"""
Update the resource usage display in the UI.
Update the resource usage display in the UI with theme-aware colors.
"""
try:
colors = self.get_theme_styles()
# Memory usage
if memory_info.get('has_psutil', False):
memory_text = f"Memory: {memory_info['process_memory_mb']:.1f}MB ({memory_info['process_memory_percent']:.1f}%)"
memory_color = '#d9534f' if memory_info['process_memory_percent'] > 10 else '#5cb85c'
memory_color = colors['error'] if memory_info['process_memory_percent'] > 10 else colors['success']
else:
memory_text = "Memory: N/A (psutil needed)"
memory_color = '#f0ad4e'
memory_color = colors['warning']
self.memory_label.setText(memory_text)
self.memory_label.setStyleSheet(f'font-size: 9pt; color: {memory_color};')
@@ -1428,10 +1467,10 @@ class MainWindow(QtWidgets.QMainWindow):
# CPU usage
if memory_info.get('has_psutil', False):
cpu_text = f"CPU: {memory_info['cpu_percent']:.1f}%"
cpu_color = '#d9534f' if memory_info['cpu_percent'] > 50 else '#5cb85c'
cpu_color = colors['error'] if memory_info['cpu_percent'] > 50 else colors['success']
else:
cpu_text = "CPU: N/A"
cpu_color = '#777'
cpu_color = colors['text_light']
self.cpu_label.setText(cpu_text)
self.cpu_label.setStyleSheet(f'font-size: 9pt; color: {cpu_color};')
@@ -1439,17 +1478,17 @@ class MainWindow(QtWidgets.QMainWindow):
# System memory
if memory_info.get('has_psutil', False):
system_text = f"System: {memory_info['system_memory_percent']:.1f}% ({memory_info['system_memory_available_gb']:.1f}GB free)"
system_color = '#d9534f' if memory_info['system_memory_percent'] > 85 else '#5cb85c'
system_color = colors['error'] if memory_info['system_memory_percent'] > 85 else colors['success']
else:
system_text = "System: N/A"
system_color = '#777'
system_color = colors['text_light']
self.system_memory_label.setText(system_text)
self.system_memory_label.setStyleSheet(f'font-size: 9pt; color: {system_color};')
# Cache info
cache_text = f"Cache: {memory_info['template_cache_size']} templates, {memory_info['cooldown_entries']} cooldowns"
cache_color = '#f0ad4e' if memory_info['template_cache_size'] > 20 else '#5bc0de'
cache_color = colors['warning'] if memory_info['template_cache_size'] > 20 else colors['info']
self.cache_label.setText(cache_text)
self.cache_label.setStyleSheet(f'font-size: 9pt; color: {cache_color};')
@@ -1464,23 +1503,23 @@ class MainWindow(QtWidgets.QMainWindow):
if gpu_total_mb > 0:
gpu_text = f"GPU: {gpu_used_mb:.0f}/{gpu_total_mb:.0f}MB ({gpu_utilization:.1f}%)"
gpu_color = '#d9534f' if gpu_utilization > 80 else '#f0ad4e' if gpu_utilization > 60 else '#5cb85c'
gpu_color = colors['error'] if gpu_utilization > 80 else colors['warning'] if gpu_utilization > 60 else colors['success']
# Add GPU name as tooltip
gpu_name = memory_info.get('gpu_name', 'Unknown GPU')
self.gpu_label.setToolTip(f"GPU: {gpu_name} (detected via {gpu_method})")
else:
gpu_text = f"GPU: Detected ({gpu_method})"
gpu_color = '#5bc0de'
gpu_color = colors['info']
gpu_name = memory_info.get('gpu_name', 'Unknown GPU')
self.gpu_label.setToolTip(f"GPU: {gpu_name} (limited info via {gpu_method})")
elif gpu_method == 'loading':
gpu_text = "GPU: Loading..."
gpu_color = '#f0ad4e'
gpu_color = colors['warning']
self.gpu_label.setToolTip("GPU detection in progress...")
else:
gpu_text = "GPU: Not detected"
gpu_color = '#777'
gpu_color = colors['text_light']
self.gpu_label.setToolTip(
"No GPU detected or GPU monitoring libraries not available.\n\n"
"For enhanced GPU monitoring:\n"
@@ -1507,10 +1546,10 @@ class MainWindow(QtWidgets.QMainWindow):
if hasattr(self, '_loop_times') and self._loop_times:
avg_time = sum(self._loop_times) / len(self._loop_times)
perf_text = f"Performance: {avg_time*1000:.0f}ms avg loop time"
perf_color = '#d9534f' if avg_time > 0.5 else '#5cb85c'
perf_color = colors['error'] if avg_time > 0.5 else colors['success']
else:
perf_text = "Performance: Not running"
perf_color = '#777'
perf_color = colors['text_light']
self.performance_label.setText(perf_text)
self.performance_label.setStyleSheet(f'font-size: 9pt; color: {perf_color};')
@@ -1518,22 +1557,32 @@ class MainWindow(QtWidgets.QMainWindow):
# Show error if any
if 'error' in memory_info:
self.performance_label.setText(f"Error: {memory_info['error'][:50]}...")
self.performance_label.setStyleSheet('font-size: 9pt; color: #d9534f;')
self.performance_label.setStyleSheet(f'font-size: 9pt; color: {colors["error"]};')
except Exception as e:
logger.debug(f"Error updating resource display: {e}")
# Show basic fallback info
colors = self.get_theme_styles()
# Show basic fallback info with theme-aware colors
error_color = colors['error']
self.memory_label.setText("Memory: Error")
self.memory_label.setStyleSheet(f'font-size: 9pt; color: {error_color};')
self.cpu_label.setText("CPU: Error")
self.cpu_label.setStyleSheet(f'font-size: 9pt; color: {error_color};')
self.system_memory_label.setText("System: Error")
self.system_memory_label.setStyleSheet(f'font-size: 9pt; color: {error_color};')
self.cache_label.setText("Cache: Error")
self.cache_label.setStyleSheet(f'font-size: 9pt; color: {error_color};')
self.gpu_label.setText("GPU: Error")
self.gpu_label.setStyleSheet(f'font-size: 9pt; color: {error_color};')
self.performance_label.setText(f"Display Error: {str(e)[:30]}...")
self.performance_label.setStyleSheet(f'font-size: 9pt; color: {error_color};')
def stop_monitoring(self):
"""Stop performance monitoring timer."""
"""Stop performance monitoring and theme monitoring timers."""
if hasattr(self, 'monitor_timer') and self.monitor_timer:
self.monitor_timer.stop()
if hasattr(self, 'theme_monitor_timer') and self.theme_monitor_timer:
self.theme_monitor_timer.stop()
def _toggle_resource_display(self):
"""Toggle the visibility of resource usage widgets."""
@@ -1782,26 +1831,296 @@ class MainWindow(QtWidgets.QMainWindow):
logger.info("Resources cleaned up successfully")
def is_system_dark_theme(self):
"""
Detect if the system is using dark theme.
Works on Windows 10/11, macOS, and some Linux desktop environments.
"""
try:
import platform
system = platform.system().lower()
if system == 'windows':
# Windows 10/11 dark mode detection
try:
import winreg
registry = winreg.ConnectRegistry(None, winreg.HKEY_CURRENT_USER)
key = winreg.OpenKey(registry, r"SOFTWARE\Microsoft\Windows\CurrentVersion\Themes\Personalize")
value, _ = winreg.QueryValueEx(key, "AppsUseLightTheme")
winreg.CloseKey(key)
return value == 0 # 0 = dark theme, 1 = light theme
except (ImportError, FileNotFoundError, OSError):
# Fallback: check if PyQt6 can detect system dark theme
try:
palette = QtWidgets.QApplication.palette()
# Check if the window background is darker than text color
bg_color = palette.color(QtGui.QPalette.ColorRole.Window)
text_color = palette.color(QtGui.QPalette.ColorRole.WindowText)
# Calculate luminance to determine if background is dark
bg_luminance = (0.299 * bg_color.red() + 0.587 * bg_color.green() + 0.114 * bg_color.blue()) / 255
return bg_luminance < 0.5
except:
pass
elif system == 'darwin': # macOS
try:
import subprocess
result = subprocess.run(['defaults', 'read', '-g', 'AppleInterfaceStyle'],
capture_output=True, text=True, timeout=2)
return result.stdout.strip().lower() == 'dark'
except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError):
pass
elif system == 'linux':
# Try to detect dark theme on Linux (GNOME, KDE, etc.)
try:
import subprocess
import os
# Try GNOME gsettings
try:
result = subprocess.run(['gsettings', 'get', 'org.gnome.desktop.interface', 'gtk-theme'],
capture_output=True, text=True, timeout=2)
theme_name = result.stdout.strip().strip("'").lower()
return any(dark_indicator in theme_name for dark_indicator in ['dark', 'adwaita-dark', 'breeze-dark'])
except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError):
pass
# Try KDE configuration
kde_config_paths = [
os.path.expanduser('~/.config/kdeglobals'),
os.path.expanduser('~/.kde/share/config/kdeglobals'),
os.path.expanduser('~/.kde4/share/config/kdeglobals')
]
for config_path in kde_config_paths:
try:
if os.path.exists(config_path):
with open(config_path, 'r') as f:
content = f.read().lower()
if 'colorscheme=breezedark' in content or 'dark' in content:
return True
except:
continue
# Fallback: check environment variables
desktop_env = os.environ.get('XDG_CURRENT_DESKTOP', '').lower()
if 'dark' in desktop_env:
return True
except:
pass
except Exception as e:
logger.debug(f"System theme detection failed: {e}")
# Default fallback: assume light theme
return False
def get_effective_dark_mode(self):
"""
Get the effective dark mode state based on current theme setting.
"""
if self.theme_mode == 'dark':
return True
elif self.theme_mode == 'light':
return False
else: # system
return self.is_system_dark_theme()
def get_theme_styles(self):
"""
Get the current theme styles (light or dark mode).
"""
is_dark = self.get_effective_dark_mode()
if is_dark:
return {
'background': '#2b2b2b',
'foreground': '#ffffff',
'button_bg': '#404040',
'button_hover': '#505050',
'input_bg': '#3c3c3c',
'border': '#555555',
'accent': '#0078d4',
'success': '#107c10',
'warning': '#ff8c00',
'error': '#d13438',
'info': '#0078d4',
'text_light': '#cccccc',
'text_dark': '#ffffff'
}
else:
return {
'background': '#ffffff',
'foreground': '#000000',
'button_bg': '#f0f0f0',
'button_hover': '#e0e0e0',
'input_bg': '#ffffff',
'border': '#cccccc',
'accent': '#0055aa',
'success': '#107c10',
'warning': '#ff8c00',
'error': '#d9534f',
'info': '#0055aa',
'text_light': '#333333',
'text_dark': '#000000'
}
def apply_theme(self):
"""
Apply the current theme to all UI elements.
"""
colors = self.get_theme_styles()
# Main window style
main_style = f"""
QMainWindow {{
background-color: {colors['background']};
color: {colors['foreground']};
}}
QPushButton {{
font-size: 9pt;
min-height: 20px;
padding: 2px 6px;
min-width: 70px;
background-color: {colors['button_bg']};
border: 1px solid {colors['border']};
border-radius: 3px;
color: {colors['foreground']};
}}
QPushButton:hover {{
background-color: {colors['button_hover']};
}}
QPushButton:pressed {{
background-color: {colors['border']};
}}
QComboBox {{
font-size: 9pt;
min-height: 20px;
padding: 2px 6px;
min-width: 90px;
background-color: {colors['input_bg']};
border: 1px solid {colors['border']};
border-radius: 3px;
color: {colors['foreground']};
}}
QComboBox::drop-down {{
border: none;
width: 20px;
}}
QComboBox::down-arrow {{
image: none;
border-left: 4px solid transparent;
border-right: 4px solid transparent;
border-top: 4px solid {colors['foreground']};
margin: 0px 4px 0px 4px;
}}
QListWidget {{
font-size: 9pt;
min-width: 200px;
min-height: 120px;
background-color: {colors['input_bg']};
border: 1px solid {colors['border']};
border-radius: 3px;
color: {colors['foreground']};
}}
QListWidget::item {{
padding: 4px;
border-bottom: 1px solid {colors['border']};
}}
QListWidget::item:selected {{
background-color: {colors['accent']};
color: white;
}}
QLabel {{
font-size: 9pt;
color: {colors['foreground']};
}}
QGroupBox {{
font-size: 9pt;
font-weight: bold;
border: 1px solid {colors['border']};
border-radius: 5px;
margin-top: 10px;
padding-top: 5px;
color: {colors['foreground']};
}}
QGroupBox::title {{
subcontrol-origin: margin;
left: 10px;
padding: 0 5px 0 5px;
color: {colors['foreground']};
}}
QWidget {{
color: {colors['foreground']};
background-color: {colors['background']};
}}
"""
self.setStyleSheet(main_style)
# Update individual labels with theme-appropriate colors
self.state_label.setStyleSheet(f'font-weight: bold; font-size: 11pt; color: {colors["accent"]};')
# Update resource labels
self.memory_label.setStyleSheet(f'font-size: 9pt; color: {colors["text_light"]};')
self.cpu_label.setStyleSheet(f'font-size: 9pt; color: {colors["text_light"]};')
self.system_memory_label.setStyleSheet(f'font-size: 9pt; color: {colors["text_light"]};')
self.cache_label.setStyleSheet(f'font-size: 9pt; color: {colors["text_light"]};')
self.gpu_label.setStyleSheet(f'font-size: 9pt; color: {colors["text_light"]};')
self.performance_label.setStyleSheet(f'font-size: 9pt; color: {colors["text_light"]};')
self.interval_label.setStyleSheet(f'font-size: 9pt; color: {colors["text_light"]};')
def _update_theme_button_text(self):
"""
Update the theme button text based on current theme mode.
"""
if self.theme_mode == 'system':
system_dark = self.is_system_dark_theme()
theme_text = f"System ({'Dark' if system_dark else 'Light'})"
elif self.theme_mode == 'light':
theme_text = "Light"
else: # dark
theme_text = "Dark"
if hasattr(self, 'btn_theme'):
self.btn_theme.setText(theme_text)
def toggle_theme(self):
"""
Cycle through theme modes: System -> Light -> Dark -> System...
"""
if self.theme_mode == 'system':
self.theme_mode = 'light'
elif self.theme_mode == 'light':
self.theme_mode = 'dark'
else: # dark
self.theme_mode = 'system'
# Start/stop theme monitoring based on mode
if self.theme_mode == 'system':
self._last_system_theme = self.is_system_dark_theme()
if hasattr(self, 'theme_monitor_timer'):
self.theme_monitor_timer.start(5000) # Check every 5 seconds
else:
if hasattr(self, 'theme_monitor_timer'):
self.theme_monitor_timer.stop()
self.apply_theme()
self._update_theme_button_text()
logger.info(f'Theme changed to: {self.theme_mode} mode')
def init_ui(self):
"""
Initializes the main UI components and layouts.
Sets up scenario and window dropdowns, step list, and action buttons.
"""
# Set compact font and style
# Set compact font
font = QtGui.QFont()
font.setPointSize(9)
self.setFont(font)
style = """
QPushButton, QComboBox, QListWidget, QLabel {
font-size: 9pt;
min-height: 20px;
padding: 2px 6px;
}
QComboBox { min-width: 90px; }
QPushButton { min-width: 70px; }
QListWidget { min-width: 200px; min-height: 120px; }
"""
self.setStyleSheet(style)
# Scenario group (QGroupBox with title 'Scenario')
scenario_group_box = QtWidgets.QGroupBox('Scenario')
@@ -1898,9 +2217,14 @@ class MainWindow(QtWidgets.QMainWindow):
self.btn_start_stop.setMinimumWidth(80)
self.btn_start_stop.clicked.connect(self._log_btn_start_stop)
# Theme toggle button
self.btn_theme = QtWidgets.QPushButton('System')
self.btn_theme.setMinimumWidth(80)
self.btn_theme.setToolTip('Cycle through theme modes: System (follows OS) -> Light -> Dark -> System...')
self.btn_theme.clicked.connect(self.toggle_theme)
# State label
self.state_label = QtWidgets.QLabel('State: Paused')
self.state_label.setStyleSheet('font-weight: bold; font-size: 11pt; color: #0055aa;')
self.state_label.setAlignment(QtCore.Qt.AlignmentFlag.AlignLeft | QtCore.Qt.AlignmentFlag.AlignVCenter)
# Resource usage display
@@ -1912,32 +2236,26 @@ class MainWindow(QtWidgets.QMainWindow):
# Memory usage
self.memory_label = QtWidgets.QLabel('Memory: --')
self.memory_label.setStyleSheet('font-size: 9pt; color: #333;')
resource_layout.addWidget(self.memory_label, 0, 0)
# CPU usage
self.cpu_label = QtWidgets.QLabel('CPU: --')
self.cpu_label.setStyleSheet('font-size: 9pt; color: #333;')
resource_layout.addWidget(self.cpu_label, 0, 1)
# System memory
self.system_memory_label = QtWidgets.QLabel('System: --')
self.system_memory_label.setStyleSheet('font-size: 9pt; color: #333;')
resource_layout.addWidget(self.system_memory_label, 1, 0)
# Cache info
self.cache_label = QtWidgets.QLabel('Cache: --')
self.cache_label.setStyleSheet('font-size: 9pt; color: #333;')
resource_layout.addWidget(self.cache_label, 1, 1)
# GPU memory info
self.gpu_label = QtWidgets.QLabel('GPU: --')
self.gpu_label.setStyleSheet('font-size: 9pt; color: #333;')
resource_layout.addWidget(self.gpu_label, 1, 2)
# Performance info
self.performance_label = QtWidgets.QLabel('Performance: --')
self.performance_label.setStyleSheet('font-size: 9pt; color: #333;')
resource_layout.addWidget(self.performance_label, 2, 0, 1, 3)
# Controls row (toggle button and update interval) - placed in a separate row
@@ -1949,7 +2267,6 @@ class MainWindow(QtWidgets.QMainWindow):
# Update interval controls
self.interval_label = QtWidgets.QLabel('Update:')
self.interval_label.setStyleSheet('font-size: 9pt; color: #333;')
self.update_interval_combo = QtWidgets.QComboBox()
self.update_interval_combo.setMaximumWidth(80)
self.update_interval_combo.setToolTip('Set resource monitoring update interval')
@@ -1998,8 +2315,9 @@ class MainWindow(QtWidgets.QMainWindow):
start_state_group.setTitle("")
start_state_group.setSizePolicy(QtWidgets.QSizePolicy.Policy.Preferred, QtWidgets.QSizePolicy.Policy.Fixed)
start_state_layout = QtWidgets.QHBoxLayout()
start_state_layout.setSpacing(6) # Fixed gap between button and label
start_state_layout.setSpacing(6) # Fixed gap between elements
start_state_layout.addWidget(self.btn_start_stop)
start_state_layout.addWidget(self.btn_theme)
start_state_layout.addWidget(self.state_label)
start_state_layout.addStretch(1)
start_state_group.setLayout(start_state_layout)
@@ -2010,6 +2328,10 @@ class MainWindow(QtWidgets.QMainWindow):
central = QtWidgets.QWidget()
central.setLayout(layout)
self.setCentralWidget(central)
# Apply initial theme and set button text
self.apply_theme()
self._update_theme_button_text()
def _log_btn_refresh_windows(self):
logger.info("UI: Refresh Windows button pressed")