JFormDesigner/FlatLaf

Features

• Flat Design Frameworks - Provides a comprehensive styling system that implements a modern flat design aesthetic for Java Swing components.
• Java UI Component Libraries - Provides a comprehensive set of visual enhancements and pre-built UI elements specifically for Java Swing applications.
• Component Style Customizations - Provides extensive capabilities to customize visual properties like colors and borders for all UI components.
• External Configuration Defaults - Defines visual styles using external configuration files that support variables and wildcard replacements for consistent theming.
• Property-Based Theme Engines - Provides a system for defining and applying visual styles through property files with support for light and dark modes.
• Custom Window Title Bars - Renders custom title bars and embedded menu bars to replace the native operating system window frame.
• Dark Mode Toggles - Implements mechanisms to toggle the entire user interface between light and dark visual themes.
• Display Scaling - Ensures interface elements and vector icons remain crisp on high-density displays through a dedicated scaling framework.
• DPI Scaling - Implements mechanisms that automatically adjust interface dimensions and font sizes for high-resolution displays.
• HiDPI Dimension Scaling - FlatLaf marks integers, floats, insets, and dimensions for scaling to ensure visual consistency across high-density displays.
• Hierarchical Theme Subclassing - Implements new visual identities by extending base themes and overriding specific properties in a hierarchical structure.
• Theme Style Customizations - Enables overriding default design tokens and properties via code or external configuration files to customize appearance.
• Swing-Based UI Frameworks - Implements a modern flat design look and feel for desktop components and windows using the Java Swing toolkit.
• Theme Definitions - Uses structured property files with variables and references to define global visual styles.
• Global Font Defaults - Specifies a system-wide font family and size that applies to all components across the interface.
• Theme Application & Switching - Allows switching the user interface between light, dark, and platform-specific visual themes.
• Component State Indicators - Paints components with specific border colors and states to signal errors, warnings, or pending actions.
• Content Pane Extension - Expands the application content pane into the window title bar area to create a modern, full-window look.
• Menu Bar Integration - Integrates the application menu bar directly into the window title bar to save vertical screen space.
• Native Decoration Control - Controls native window title bars, including the visibility of icons, titles, and window control buttons.
• Native Style Integration - Modifies the appearance of the application window frame to integrate with the operating system's native visual style.
• Seamless Title Bars - Creates a transparent title bar or extends window content into the title area for a flat, seamless visual style.
• Theme Synchronization - Adjusts the window title bar color to automatically match the system light or dark mode preferences.
• File Dialogs - Displays native operating system file dialogs for opening files or selecting directories.
• Native System Dialogs - Adjusts native file dialog behavior using properties unique to the host operating system.
• High-DPI Scaling - Ensures vector icons and interface elements remain crisp and clear on high-DPI displays.
• Platform-Aware Input Adaptation - Updates keyboard shortcuts and input behaviors to match the specific conventions of the current operating system.
• Native Menu Positioning - Positions the application menu bar at the top of the screen instead of inside the main window for native platform integration.
• Platform-Specific Resolutions - Selects interface properties and behaviors at runtime based on the detected host operating system.
• CSS Styling - Provides the ability to apply visual styles to UI components using CSS-like syntax or style classes.
• Text Styling - Assigns standardized font sizes and weights to maintain a consistent visual hierarchy.
• Tabbed Content Panes - Configures tab styles, closable tabs with custom callbacks, and scroll policies for managing multiple content views.
• Input Enhancements - Adds placeholder text, leading or trailing icons, and clear buttons with custom callbacks to text fields.
• Theme Overriding Systems - Provides a system for overriding default behavior and appearance of built-in themes using specialized property files.
• Typography Customization - Allows definition of new font styles and modification of sizes and weights to meet brand requirements.
• General Button Appearance Configurations - Provides configuration for button shapes and specialized types such as toolbar or help buttons.
• Theme Subclassing - Allows the definition of new visual identities by subclassing existing themes and overriding default styles.
• Window Decoration Managers - Toggles native window decorations and determines if the menu bar is embedded into the window title pane.
• OS-Specific Style Mapping - Assigns different UI values based on the host operating system to ensure the interface conforms to platform-specific visual expectations.

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