He – 1

An AboutWindow is a modal widget that displays information about the application..

A customizable active indicator widget that displays a Helium atom with orbiting electrons. The widget shows a nucleus (center circle) with two electrons orbiting around it. When active, the electrons animate in circular motion on different orbital paths. The widget supports multiple size presets, color themes via CSS classes, and an optional background circle. The widget can be used both programmatically and in Gtk.Builder .ui files. Colors are themed via CSS classes that automatically adapt to the current GTK theme..

An AppBar is the header bar of an Window. It usually provides controls to manage the window, as well as optional children for more granular control..

An application..

An ApplicationWindow is a Window for holding the main content of an application..

An Avatar is a image representation of a person, or its initials. Shows their status using a badge..

A Badge is a small status indicator that can be used to provide additional information about an object..

A Banner is a widget that displays a message to the user and provides a way for the user to act on the message..

A helper class for subclassing custom widgets..

A BottomBar is a bottom toolbar that displays actions and content labels. The BottomBar can operate in two distinct modes: - Docked Mode: Acts as a traditional bottom app bar, attached to the window edge - Floating Mode: Hovers over content as an overlay with rounded corners and elevation Important Notes - Button Limitation: Only accepts He.Button widgets as children - Floating Mode Requirements: Must set overlay_widget when using Mode.FLOATING - Automatic Overlay Creation: If the target widget isn't in a Gtk.Overlay, one is created automatically CSS Classes The BottomBar automatically applies CSS classes for styling: - bottom-bar: Always applied to the root element - docked: Applied when in docked mode - floating: Applied when in floating mode - default: Applied when using default style - vibrant: Applied when using vibrant style .

A BottomSheet is a UI component made to showcase accessory actions. It may have an action button. It has a title label and contents..

A class to derive UI Buttons from..

A helper class to derive Buttons from..

A Card displays content with an icon, text and optional buttons. Combines functionality of ContentBlock and MiniContentBlock..

A Chip is an element that can facilitate entering information, making selections, filtering content, or triggering actions..

A ChipGroup is a holder widget for Chips..

A ContentBlockImage component is used to render an image inside a ContentBlock..

A ContentBlockImageCluster is a cluster of images that are rendered together in the same content block..

A Content List is a list of content blocks with an optional title and description..

Helper class to deal with desktop-specific settings..

A Dialog is a modal widget that asks the user for input or shows a message..

A Divider is a thin line that groups content in a view, can be full-width (default), inset, or side-inset.

A HeDropdown is a simple variant of GtkDropDown for easy developing..

An EmptyPage is a page that is used to display a message and a button when there is no data to display..

Specification for menu items with icon and action support.

A ModiferBadge is a badge that can be used to show that the state of something has changed..

A NavigationRail is a vertical switcher that helps navigate a stack..

An OverlayButton is a widget that can be used to show action buttons above the widget that is being overlaid..

A Progressbar indicates the progress of some process and contains a disable-able Stop Indicator for accessibility purposes. Can display either a standard progressbar or a custom wavy progressbar..

Creates a dictionary with keys of colors, and values of count of the color.

An image quantizer that divides the image's pixels into clusters by recursively cutting an RGB cube, based on the weight of pixels in each area of the cube. <p>The algorithm was described by Xiaolin Wu in Graphic Gems II, published in 1991..

A class that contains the color scheme of the app..

A SegmentedButton is a group of buttons that selects a setting. The developer supplies the buttons as children for further coding in their app. .

A SettingsList is a list of content blocks with an optional title and description..

Auxilary Class for handling the contents of Settings Windows.

A SettingsRow is a settings row that is used to display content in a small area that is activatable if desired..

A modal window that accepts SettingsLists or SettingsPages.

A SideBar is a complementary component containing its own AppBar, title, subtitle, and elements..

A Slider is a widget that is used to select a value by means of a dial running across a trough. Contains optional icons for the slider purpose, and a disable-able Stop Indicator for accessibility purposes. Can display either a standard scale or a custom wavy slider. When using the Stop Indicator, it's advisable to add a mark with the value of 1.0 along the trough of the Slider so that the user can discern why the end point is marked..

A class that manages the style of the application in conjunction with the provided preferences. This is a low-level class that should not be used directly. Instead, let the He.Application class manage this for you..

A Switch is a widget that is used to toggle a setting on or off, or to indicate two modes via a toggle (ex. Light/Dark)..

A SwitchBar is a widget that is used to identify primarily a switchable view below it..

Standard tab designed for TabSwitcher, used to form a tabbed UI.

Auxilary Class for handling the contents of Tabs.

TabBar widget designed for a variable number of tabs..

TextField is a GtkEntry-like subclass that is meant to be used in forms where input must be validated before the form can be submitted. It provides feedback to users about the state of input validation and keeps track of its own validation state. By default, input is considered invalid. This widget can also be used in place of a GtkEntry for HIG compliance purposes. Example
var validated_entry = new He.TextField (); username_entry.changed.connect (() => { username_entry.is_valid = username_entry.text == “valid input”; }); If the TextField.from_regex () constructor is used then the entry automatically sets its validity status. A valid regex must be passed to this constructor. Example
GLib.Regex? regex = null; He.TextField only_lower_case_letters_entry; try { regex = new Regex (“^[a-z]*$”);

  only_lower_case_letters_entry = new He.TextField.from_regex (regex);

} catch (Error e) { critical (e.message); // Provide a fallback entry here } .

A Tip is a helper object for onboarding flow tips in an app's first launch..

A TipView is a helper widget for onboarding flow tips in an app's first launch..

A Toast is a widget containing a quick little message for the user with an optional action button..

A helper widget that implements a View that displays items..

A ViewAux shows a view with an optional side pane..

A ViewChooser is a chooser switcher that filters a stack's view..

A ViewDual is a view that displays two views side by side..

A ViewMono is a component containing its own AppBar, title, subtitle, and elements..

A ViewSubTitle is a view's subtitle..

A ViewSwitcher is a switcher that controls a stack's views..

A ViewTitle is a widget that displays a view's title..

A WelcomeScreen is a screen that presents options and actions before displaying the main application..

A Window is a container that has an HeAppBar and can be moved, resized, and closed. It may be a top-level window or a dialog. The title bar can be made always visible. Has an optional back button. The back button is only visible if has_back_button is true..

An enum of commonly used licenses to be used in AboutWindow..

Color presets for the active indicator..

Size presets for the active indicator..

An enum representing the style of the banner..

Positioning options for floating BottomBar. When in floating mode, the bottom bar can be positioned at different edges: - BOTTOM: Default positioning at the bottom edge of the overlay widget. - LEFT: Positioned at the left edge with vertical orientation. - RIGHT: Positioned at the right edge with vertical orientation..

Display modes for the BottomBar widget. The mode determines how the bottom bar is positioned and styled: - DOCKED: Traditional bottom app bar attached to the window edge. Spans the full width and has a flat appearance with subtle elevation. - FLOATING: Overlay bar that hovers over content with rounded corners. Requires an overlay_widget to be specified for positioning. Has higher elevation and appears above other content..

Positioning options for buttons within the BottomBar. Buttons can be placed on either side of the center content area, allowing for a balanced layout of actions..

Visual styles for the BottomBar widget. The style determines the visual appearance and theming: - DEFAULT: Standard appearance with system colors and styling. Uses the default theme colors and contrast levels. - VIBRANT: Enhanced appearance with more vivid colors and effects. Provides higher visual impact and modern styling. Applies "vibrant " CSS class..

Layout style of the card.

Type of card appearance.

Modes for ChipGroup behavior. Selection mode - chips behave as radio buttons, only one can be active. Filtering mode - multiple chips can be active simultaneously..

An enum that maps colors to internal CSS classes as per HIG..

The position of the cluster image in the cluster..

The color scheme preference enum, which is used to determine the color scheme of the desktop..

The Ensor scheme preference enum, which is used to determine the Ensor scheme of the desktop..

The alignment of the badge in a enum..

The alignment of the button..

The size of the button as an enum..

The type of the button as an enum..

Size variants for the split button widget.

Color variants for He.Switch.

How the tab bar should behave.

A TipViewStyle changes the visual look of a tip..

A modern split button widget with separated main and menu buttons.

Returns the license name for the license..

Returns the license url for the license..

Returns the CSS class name for the color..

Returns the color name..

Gets the column of the position..

Gets the row of the position..

Converts a gtk_accelerator_parse style accel string to a human-readable string..

Takes a description and an array of accels and returns Pango markup for use in a GtkTooltip. This method uses he_misc_accel_label . Example: Description Shortcut 1, Shortcut 2.

Gives the contrast ratio between two colors..

An useful method for finding an ancestor of a given widget..

Gives a contrasting foreground color for a given background color..

Sets the alignment from a Gtk.Align..

Returns the alignment as a Gtk.Alignment..

Returns the string representation of the enum as an alignment..

Returns the string representation of the enum as an alignment to be used..

Returns the string representation of the enum as a CSS class to be used..

Returns the string representation of the enum as a CSS class to be used..