improve UI styles

- Added album path management in PhotoModel for better photo loading.
- Updated responsive QLabel to handle scaling more effectively.
- Introduced ClickableIconWidget for better icon interaction in the UI.
- Added new color definitions for blue and accent blue.
- Enhanced the AppTabWidget styles to adapt to dark mode.
- Replaced QLineEdit with ZLineEdit for consistent styling.
- Improved the SSH terminal widget with better error handling and process management.
- Refactored ToolboxWidget methods for device management.
- Adjusted margins and styles in various widgets for improved layout.

src/responsiveqlabel.cpp

@@ -6,7 +6,7 @@ ResponsiveQLabel::ResponsiveQLabel(QWidget *parent) : QLabel(parent)
 {
     setAlignment(Qt::AlignCenter);
     setScaledContents(false);
-    setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Expanding);
+    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
     setMinimumSize(100, 100);
 }
 
@@ -44,13 +44,23 @@ void ResponsiveQLabel::paintEvent(QPaintEvent *event)
 
 void ResponsiveQLabel::updateScaledPixmap()
 {
-    if (m_originalPixmap.isNull() || size().isEmpty()) {
+    if (m_originalPixmap.isNull()) {
         return;
     }
 
+    // Use the minimum width as the constraint for scaling
+    int targetWidth = qMax(minimumWidth(), width());
+
     // Scale the pixmap while maintaining aspect ratio
-    m_scaledPixmap = m_originalPixmap.scaled(size(), Qt::KeepAspectRatio,
-                                             Qt::SmoothTransformation);
+    m_scaledPixmap =
+        m_originalPixmap.scaled(targetWidth, QWIDGETSIZE_MAX,
+                                Qt::KeepAspectRatio, Qt::SmoothTransformation);
+
+    // Resize the widget to match the scaled pixmap size
+    // This prevents the widget from taking up more space than the actual image
+    if (!m_scaledPixmap.isNull()) {
+        setFixedSize(m_scaledPixmap.size());
+    }
 
     update();
 }