gtk4/auto/

level_bar.rs

// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

#[cfg(feature = "v4_10")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
use crate::AccessibleRange;
use crate::{
    Accessible, AccessibleRole, Align, Buildable, ConstraintTarget, LayoutManager, LevelBarMode,
    Orientable, Orientation, Overflow, Widget, ffi,
};
use glib::{
    object::ObjectType as _,
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::boxed::Box as Box_;

#[cfg(feature = "v4_10")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
glib::wrapper! {
    /// Shows a level indicator.
    ///
    /// Typical use cases are displaying the strength of a password, or
    /// showing the charge level of a battery.
    ///
    /// <picture>
    ///   <source srcset="levelbar-dark.png" media="(prefers-color-scheme: dark)">
    ///   <img alt="An example GtkLevelBar" src="levelbar.png">
    /// </picture>
    ///
    /// Use [`set_value()`][Self::set_value()] to set the current value, and
    /// [`add_offset_value()`][Self::add_offset_value()] to set the value offsets at which
    /// the bar will be considered in a different state. GTK will add a few
    /// offsets by default on the level bar: [`LEVEL_BAR_OFFSET_LOW`][crate::LEVEL_BAR_OFFSET_LOW],
    /// [`LEVEL_BAR_OFFSET_HIGH`][crate::LEVEL_BAR_OFFSET_HIGH] and [`LEVEL_BAR_OFFSET_FULL`][crate::LEVEL_BAR_OFFSET_FULL], with
    /// values 0.25, 0.75 and 1.0 respectively.
    ///
    /// Note that it is your responsibility to update preexisting offsets
    /// when changing the minimum or maximum value. GTK will simply clamp
    /// them to the new range.
    ///
    /// ## Adding a custom offset on the bar
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// static GtkWidget *
    /// create_level_bar (void)
    /// {
    ///   GtkWidget *widget;
    ///   GtkLevelBar *bar;
    ///
    ///   widget = gtk_level_bar_new ();
    ///   bar = GTK_LEVEL_BAR (widget);
    ///
    ///   // This changes the value of the default low offset
    ///
    ///   gtk_level_bar_add_offset_value (bar,
    ///                                   GTK_LEVEL_BAR_OFFSET_LOW,
    ///                                   0.10);
    ///
    ///   // This adds a new offset to the bar; the application will
    ///   // be able to change its color CSS like this:
    ///   //
    ///   // levelbar block.my-offset {
    ///   //   background-color: magenta;
    ///   //   border-style: solid;
    ///   //   border-color: black;
    ///   //   border-width: 1px;
    ///   // }
    ///
    ///   gtk_level_bar_add_offset_value (bar, "my-offset", 0.60);
    ///
    ///   return widget;
    /// }
    /// ```
    ///
    /// The default interval of values is between zero and one, but it’s possible
    /// to modify the interval using [`set_min_value()`][Self::set_min_value()] and
    /// [`set_max_value()`][Self::set_max_value()]. The value will be always drawn in
    /// proportion to the admissible interval, i.e. a value of 15 with a specified
    /// interval between 10 and 20 is equivalent to a value of 0.5 with an interval
    /// between 0 and 1. When [`LevelBarMode::Discrete`][crate::LevelBarMode::Discrete] is used, the bar level
    /// is rendered as a finite number of separated blocks instead of a single one.
    /// The number of blocks that will be rendered is equal to the number of units
    /// specified by the admissible interval.
    ///
    /// For instance, to build a bar rendered with five blocks, it’s sufficient to
    /// set the minimum value to 0 and the maximum value to 5 after changing the
    /// indicator mode to discrete.
    ///
    /// # GtkLevelBar as GtkBuildable
    ///
    /// The [`LevelBar`][crate::LevelBar] implementation of the [`Buildable`][crate::Buildable] interface supports a
    /// custom `<offsets>` element, which can contain any number of `<offset>` elements,
    /// each of which must have "name" and "value" attributes.
    ///
    /// # CSS nodes
    ///
    /// ```text
    /// levelbar[.discrete]
    /// ╰── trough
    ///     ├── block.filled.level-name
    ///     ┊
    ///     ├── block.empty
    ///     ┊
    /// ```
    ///
    /// [`LevelBar`][crate::LevelBar] has a main CSS node with name levelbar and one of the style
    /// classes .discrete or .continuous and a subnode with name trough. Below the
    /// trough node are a number of nodes with name block and style class .filled
    /// or .empty. In continuous mode, there is exactly one node of each, in discrete
    /// mode, the number of filled and unfilled nodes corresponds to blocks that are
    /// drawn. The block.filled nodes also get a style class .level-name corresponding
    /// to the level for the current value.
    ///
    /// In horizontal orientation, the nodes are always arranged from left to right,
    /// regardless of text direction.
    ///
    /// # Accessibility
    ///
    /// [`LevelBar`][crate::LevelBar] uses the [enum@Gtk.AccessibleRole.meter] role.
    ///
    /// ## Properties
    ///
    ///
    /// #### `inverted`
    ///  Whether the `GtkLeveBar` is inverted.
    ///
    /// Level bars normally grow from top to bottom or left to right.
    /// Inverted level bars grow in the opposite direction.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `max-value`
    ///  Determines the maximum value of the interval that can be displayed by the bar.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `min-value`
    ///  Determines the minimum value of the interval that can be displayed by the bar.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `mode`
    ///  Determines the way [`LevelBar`][crate::LevelBar] interprets the value properties to draw the
    /// level fill area.
    ///
    /// Specifically, when the value is [`LevelBarMode::Continuous`][crate::LevelBarMode::Continuous],
    /// [`LevelBar`][crate::LevelBar] will draw a single block representing the current value in
    /// that area; when the value is [`LevelBarMode::Discrete`][crate::LevelBarMode::Discrete],
    /// the widget will draw a succession of separate blocks filling the
    /// draw area, with the number of blocks being equal to the units separating
    /// the integral roundings of [`min-value`][struct@crate::LevelBar#min-value] and
    /// [`max-value`][struct@crate::LevelBar#max-value].
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `value`
    ///  Determines the currently filled value of the level bar.
    ///
    /// Readable | Writeable
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `can-focus`
    ///  Whether the widget or any of its descendents can accept
    /// the input focus.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `can-target`
    ///  Whether the widget can receive pointer events.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-classes`
    ///  A list of css classes applied to this widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-name`
    ///  The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `cursor`
    ///  The cursor used by @widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focus-on-click`
    ///  Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focusable`
    ///  Whether this widget itself will accept the input focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `halign`
    ///  How to distribute horizontal space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `has-default`
    ///  Whether the widget is the default widget.
    ///
    /// Readable
    ///
    ///
    /// #### `has-focus`
    ///  Whether the widget has the input focus.
    ///
    /// Readable
    ///
    ///
    /// #### `has-tooltip`
    ///  Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
    /// signal on @widget.
    ///
    /// A true value indicates that @widget can have a tooltip, in this case
    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
    /// determine whether it will provide a tooltip or not.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `height-request`
    ///  Overrides for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand`
    ///  Whether to expand horizontally.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand-set`
    ///  Whether to use the `hexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `layout-manager`
    ///  The [`LayoutManager`][crate::LayoutManager] instance to use to compute
    /// the preferred size of the widget, and allocate its children.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `limit-events`
    ///  Makes this widget act like a modal dialog, with respect to
    /// event delivery.
    ///
    /// Global event controllers will not handle events with targets
    /// inside the widget, unless they are set up to ignore propagation
    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-bottom`
    ///  Margin on bottom side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-end`
    ///  Margin on end of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-start`
    ///  Margin on start of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-top`
    ///  Margin on top side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `name`
    ///  The name of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `opacity`
    ///  The requested opacity of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `overflow`
    ///  How content outside the widget's content area is treated.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `parent`
    ///  The parent widget of this widget.
    ///
    /// Readable
    ///
    ///
    /// #### `receives-default`
    ///  Whether the widget will receive the default action when it is focused.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `root`
    ///  The [`Root`][crate::Root] widget of the widget tree containing this widget.
    ///
    /// This will be `NULL` if the widget is not contained in a root widget.
    ///
    /// Readable
    ///
    ///
    /// #### `scale-factor`
    ///  The scale factor of the widget.
    ///
    /// Readable
    ///
    ///
    /// #### `sensitive`
    ///  Whether the widget responds to input.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-markup`
    ///  Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-text`
    ///  Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `valign`
    ///  How to distribute vertical space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand`
    ///  Whether to expand vertically.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand-set`
    ///  Whether to use the `vexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `visible`
    ///  Whether the widget is visible.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `width-request`
    ///  Overrides for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    /// </details>
    /// <details><summary><h4>Accessible</h4></summary>
    ///
    ///
    /// #### `accessible-role`
    ///  The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    ///
    /// Readable | Writeable
    /// </details>
    /// <details><summary><h4>Orientable</h4></summary>
    ///
    ///
    /// #### `orientation`
    ///  The orientation of the orientable.
    ///
    /// Readable | Writeable
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `offset-changed`
    ///  Emitted when an offset specified on the bar changes value.
    ///
    /// This typically is the result of a [`LevelBar::add_offset_value()`][crate::LevelBar::add_offset_value()]
    /// call.
    ///
    /// The signal supports detailed connections; you can connect to the
    /// detailed signal "changed::x" in order to only receive callbacks when
    /// the value of offset "x" changes.
    ///
    /// Detailed
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `destroy`
    ///  Signals that all holders of a reference to the widget should release
    /// the reference that they hold.
    ///
    /// May result in finalization of the widget if all references are released.
    ///
    /// This signal is not suitable for saving widget state.
    ///
    ///
    ///
    ///
    /// #### `direction-changed`
    ///  Emitted when the text direction of a widget changes.
    ///
    ///
    ///
    ///
    /// #### `hide`
    ///  Emitted when @widget is hidden.
    ///
    ///
    ///
    ///
    /// #### `keynav-failed`
    ///  Emitted if keyboard navigation fails.
    ///
    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
    ///
    ///
    ///
    ///
    /// #### `map`
    ///  Emitted when @widget is going to be mapped.
    ///
    /// A widget is mapped when the widget is visible (which is controlled with
    /// [`visible`][struct@crate::Widget#visible]) and all its parents up to the toplevel widget
    /// are also visible.
    ///
    /// The `::map` signal can be used to determine whether a widget will be drawn,
    /// for instance it can resume an animation that was stopped during the
    /// emission of [`unmap`][struct@crate::Widget#unmap].
    ///
    ///
    ///
    ///
    /// #### `mnemonic-activate`
    ///  Emitted when a widget is activated via a mnemonic.
    ///
    /// The default handler for this signal activates @widget if @group_cycling
    /// is false, or just makes @widget grab focus if @group_cycling is true.
    ///
    ///
    ///
    ///
    /// #### `move-focus`
    ///  Emitted when the focus is moved.
    ///
    /// The `::move-focus` signal is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are <kbd>Tab</kbd> to move forward,
    /// and <kbd>Shift</kbd>+<kbd>Tab</kbd> to move backward.
    ///
    /// Action
    ///
    ///
    /// #### `query-tooltip`
    ///  Emitted when the widget’s tooltip is about to be shown.
    ///
    /// This happens when the [`has-tooltip`][struct@crate::Widget#has-tooltip] property
    /// is true and the hover timeout has expired with the cursor hovering
    /// above @widget; or emitted when @widget got focus in keyboard mode.
    ///
    /// Using the given coordinates, the signal handler should determine
    /// whether a tooltip should be shown for @widget. If this is the case
    /// true should be returned, false otherwise. Note that if @keyboard_mode
    /// is true, the values of @x and @y are undefined and should not be used.
    ///
    /// The signal handler is free to manipulate @tooltip with the therefore
    /// destined function calls.
    ///
    ///
    ///
    ///
    /// #### `realize`
    ///  Emitted when @widget is associated with a [`gdk::Surface`][crate::gdk::Surface].
    ///
    /// This means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called
    /// or the widget has been mapped (that is, it is going to be drawn).
    ///
    ///
    ///
    ///
    /// #### `show`
    ///  Emitted when @widget is shown.
    ///
    ///
    ///
    ///
    /// #### `state-flags-changed`
    ///  Emitted when the widget state changes.
    ///
    /// See [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
    ///
    ///
    ///
    ///
    /// #### `unmap`
    ///  Emitted when @widget is going to be unmapped.
    ///
    /// A widget is unmapped when either it or any of its parents up to the
    /// toplevel widget have been set as hidden.
    ///
    /// As `::unmap` indicates that a widget will not be shown any longer,
    /// it can be used to, for example, stop an animation on the widget.
    ///
    ///
    ///
    ///
    /// #### `unrealize`
    ///  Emitted when the [`gdk::Surface`][crate::gdk::Surface] associated with @widget is destroyed.
    ///
    /// This means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been called
    /// or the widget has been unmapped (that is, it is going to be hidden).
    ///
    ///
    /// </details>
    ///
    /// # Implements
    ///
    /// [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`AccessibleRangeExt`][trait@crate::prelude::AccessibleRangeExt], [`OrientableExt`][trait@crate::prelude::OrientableExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkLevelBar")]
    pub struct LevelBar(Object<ffi::GtkLevelBar>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, AccessibleRange, Orientable;

    match fn {
        type_ => || ffi::gtk_level_bar_get_type(),
    }
}

#[cfg(not(feature = "v4_10"))]
glib::wrapper! {
    #[doc(alias = "GtkLevelBar")]
    pub struct LevelBar(Object<ffi::GtkLevelBar>) @extends Widget, @implements Accessible, Buildable, ConstraintTarget, Orientable;

    match fn {
        type_ => || ffi::gtk_level_bar_get_type(),
    }
}

impl LevelBar {
    /// Creates a new [`LevelBar`][crate::LevelBar].
    ///
    /// # Returns
    ///
    /// a [`LevelBar`][crate::LevelBar].
    #[doc(alias = "gtk_level_bar_new")]
    pub fn new() -> LevelBar {
        assert_initialized_main_thread!();
        unsafe { Widget::from_glib_none(ffi::gtk_level_bar_new()).unsafe_cast() }
    }

    /// Creates a new [`LevelBar`][crate::LevelBar] for the specified interval.
    /// ## `min_value`
    /// a positive value
    /// ## `max_value`
    /// a positive value
    ///
    /// # Returns
    ///
    /// a [`LevelBar`][crate::LevelBar]
    #[doc(alias = "gtk_level_bar_new_for_interval")]
    #[doc(alias = "new_for_interval")]
    pub fn for_interval(min_value: f64, max_value: f64) -> LevelBar {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_level_bar_new_for_interval(min_value, max_value))
                .unsafe_cast()
        }
    }

    // rustdoc-stripper-ignore-next
    /// Creates a new builder-pattern struct instance to construct [`LevelBar`] objects.
    ///
    /// This method returns an instance of [`LevelBarBuilder`](crate::builders::LevelBarBuilder) which can be used to create [`LevelBar`] objects.
    pub fn builder() -> LevelBarBuilder {
        LevelBarBuilder::new()
    }

    /// Adds a new offset marker on @self at the position specified by @value.
    ///
    /// When the bar value is in the interval topped by @value (or between @value
    /// and [`max-value`][struct@crate::LevelBar#max-value] in case the offset is the last one
    /// on the bar) a style class named `level-`@name will be applied
    /// when rendering the level bar fill.
    ///
    /// If another offset marker named @name exists, its value will be
    /// replaced by @value.
    /// ## `name`
    /// the name of the new offset
    /// ## `value`
    /// the value for the new offset
    #[doc(alias = "gtk_level_bar_add_offset_value")]
    pub fn add_offset_value(&self, name: &str, value: f64) {
        unsafe {
            ffi::gtk_level_bar_add_offset_value(
                self.to_glib_none().0,
                name.to_glib_none().0,
                value,
            );
        }
    }

    /// Returns whether the levelbar is inverted.
    ///
    /// # Returns
    ///
    /// [`true`] if the level bar is inverted
    #[doc(alias = "gtk_level_bar_get_inverted")]
    #[doc(alias = "get_inverted")]
    #[doc(alias = "inverted")]
    pub fn is_inverted(&self) -> bool {
        unsafe { from_glib(ffi::gtk_level_bar_get_inverted(self.to_glib_none().0)) }
    }

    /// Returns the `max-value` of the [`LevelBar`][crate::LevelBar].
    ///
    /// # Returns
    ///
    /// a positive value
    #[doc(alias = "gtk_level_bar_get_max_value")]
    #[doc(alias = "get_max_value")]
    #[doc(alias = "max-value")]
    pub fn max_value(&self) -> f64 {
        unsafe { ffi::gtk_level_bar_get_max_value(self.to_glib_none().0) }
    }

    /// Returns the `min-value` of the [`LevelBar`][crate::LevelBar].
    ///
    /// # Returns
    ///
    /// a positive value
    #[doc(alias = "gtk_level_bar_get_min_value")]
    #[doc(alias = "get_min_value")]
    #[doc(alias = "min-value")]
    pub fn min_value(&self) -> f64 {
        unsafe { ffi::gtk_level_bar_get_min_value(self.to_glib_none().0) }
    }

    /// Returns the `mode` of the [`LevelBar`][crate::LevelBar].
    ///
    /// # Returns
    ///
    /// a [`LevelBarMode`][crate::LevelBarMode]
    #[doc(alias = "gtk_level_bar_get_mode")]
    #[doc(alias = "get_mode")]
    pub fn mode(&self) -> LevelBarMode {
        unsafe { from_glib(ffi::gtk_level_bar_get_mode(self.to_glib_none().0)) }
    }

    /// Fetches the value specified for the offset marker @name in @self.
    /// ## `name`
    /// the name of an offset in the bar
    ///
    /// # Returns
    ///
    /// [`true`] if the specified offset is found
    ///
    /// ## `value`
    /// location where to store the value
    #[doc(alias = "gtk_level_bar_get_offset_value")]
    #[doc(alias = "get_offset_value")]
    pub fn offset_value(&self, name: Option<&str>) -> Option<f64> {
        unsafe {
            let mut value = std::mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::gtk_level_bar_get_offset_value(
                self.to_glib_none().0,
                name.to_glib_none().0,
                value.as_mut_ptr(),
            ));
            if ret { Some(value.assume_init()) } else { None }
        }
    }

    /// Returns the `value` of the [`LevelBar`][crate::LevelBar].
    ///
    /// # Returns
    ///
    /// a value in the interval between
    ///   [`min-value`][struct@crate::LevelBar#min-value] and [`max-value`][struct@crate::LevelBar#max-value]
    #[doc(alias = "gtk_level_bar_get_value")]
    #[doc(alias = "get_value")]
    pub fn value(&self) -> f64 {
        unsafe { ffi::gtk_level_bar_get_value(self.to_glib_none().0) }
    }

    /// Removes an offset marker from a [`LevelBar`][crate::LevelBar].
    ///
    /// The marker must have been previously added with
    /// [`add_offset_value()`][Self::add_offset_value()].
    /// ## `name`
    /// the name of an offset in the bar
    #[doc(alias = "gtk_level_bar_remove_offset_value")]
    pub fn remove_offset_value(&self, name: Option<&str>) {
        unsafe {
            ffi::gtk_level_bar_remove_offset_value(self.to_glib_none().0, name.to_glib_none().0);
        }
    }

    /// Sets whether the [`LevelBar`][crate::LevelBar] is inverted.
    /// ## `inverted`
    /// [`true`] to invert the level bar
    #[doc(alias = "gtk_level_bar_set_inverted")]
    #[doc(alias = "inverted")]
    pub fn set_inverted(&self, inverted: bool) {
        unsafe {
            ffi::gtk_level_bar_set_inverted(self.to_glib_none().0, inverted.into_glib());
        }
    }

    /// Sets the `max-value` of the [`LevelBar`][crate::LevelBar].
    ///
    /// You probably want to update preexisting level offsets after calling
    /// this function.
    /// ## `value`
    /// a positive value
    #[doc(alias = "gtk_level_bar_set_max_value")]
    #[doc(alias = "max-value")]
    pub fn set_max_value(&self, value: f64) {
        unsafe {
            ffi::gtk_level_bar_set_max_value(self.to_glib_none().0, value);
        }
    }

    /// Sets the `min-value` of the [`LevelBar`][crate::LevelBar].
    ///
    /// You probably want to update preexisting level offsets after calling
    /// this function.
    /// ## `value`
    /// a positive value
    #[doc(alias = "gtk_level_bar_set_min_value")]
    #[doc(alias = "min-value")]
    pub fn set_min_value(&self, value: f64) {
        unsafe {
            ffi::gtk_level_bar_set_min_value(self.to_glib_none().0, value);
        }
    }

    /// Sets the `mode` of the [`LevelBar`][crate::LevelBar].
    /// ## `mode`
    /// a [`LevelBarMode`][crate::LevelBarMode]
    #[doc(alias = "gtk_level_bar_set_mode")]
    #[doc(alias = "mode")]
    pub fn set_mode(&self, mode: LevelBarMode) {
        unsafe {
            ffi::gtk_level_bar_set_mode(self.to_glib_none().0, mode.into_glib());
        }
    }

    /// Sets the value of the [`LevelBar`][crate::LevelBar].
    /// ## `value`
    /// a value in the interval between
    ///   [`min-value`][struct@crate::LevelBar#min-value] and [`max-value`][struct@crate::LevelBar#max-value]
    #[doc(alias = "gtk_level_bar_set_value")]
    #[doc(alias = "value")]
    pub fn set_value(&self, value: f64) {
        unsafe {
            ffi::gtk_level_bar_set_value(self.to_glib_none().0, value);
        }
    }

    /// Emitted when an offset specified on the bar changes value.
    ///
    /// This typically is the result of a [`add_offset_value()`][Self::add_offset_value()]
    /// call.
    ///
    /// The signal supports detailed connections; you can connect to the
    /// detailed signal "changed::x" in order to only receive callbacks when
    /// the value of offset "x" changes.
    /// ## `name`
    /// the name of the offset that changed value
    #[doc(alias = "offset-changed")]
    pub fn connect_offset_changed<F: Fn(&Self, &str) + 'static>(
        &self,
        detail: Option<&str>,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn offset_changed_trampoline<F: Fn(&LevelBar, &str) + 'static>(
            this: *mut ffi::GtkLevelBar,
            name: *mut std::ffi::c_char,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    &from_glib_borrow(this),
                    &glib::GString::from_glib_borrow(name),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            let detailed_signal_name = detail.map(|name| format!("offset-changed::{name}\0"));
            let signal_name = detailed_signal_name
                .as_ref()
                .map_or(c"offset-changed", |n| {
                    std::ffi::CStr::from_bytes_with_nul_unchecked(n.as_bytes())
                });
            connect_raw(
                self.as_ptr() as *mut _,
                signal_name.as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    offset_changed_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "inverted")]
    pub fn connect_inverted_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_inverted_trampoline<F: Fn(&LevelBar) + 'static>(
            this: *mut ffi::GtkLevelBar,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::inverted".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_inverted_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "max-value")]
    pub fn connect_max_value_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_max_value_trampoline<F: Fn(&LevelBar) + 'static>(
            this: *mut ffi::GtkLevelBar,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::max-value".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_max_value_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "min-value")]
    pub fn connect_min_value_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_min_value_trampoline<F: Fn(&LevelBar) + 'static>(
            this: *mut ffi::GtkLevelBar,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::min-value".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_min_value_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "mode")]
    pub fn connect_mode_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_mode_trampoline<F: Fn(&LevelBar) + 'static>(
            this: *mut ffi::GtkLevelBar,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::mode".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_mode_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "value")]
    pub fn connect_value_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_value_trampoline<F: Fn(&LevelBar) + 'static>(
            this: *mut ffi::GtkLevelBar,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(&from_glib_borrow(this))
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::value".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_value_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl Default for LevelBar {
    fn default() -> Self {
        Self::new()
    }
}

// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`LevelBar`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
#[must_use = "The builder must be built to be used"]
pub struct LevelBarBuilder {
    builder: glib::object::ObjectBuilder<'static, LevelBar>,
}

impl LevelBarBuilder {
    fn new() -> Self {
        Self {
            builder: glib::object::Object::builder(),
        }
    }

    /// Whether the `GtkLeveBar` is inverted.
    ///
    /// Level bars normally grow from top to bottom or left to right.
    /// Inverted level bars grow in the opposite direction.
    pub fn inverted(self, inverted: bool) -> Self {
        Self {
            builder: self.builder.property("inverted", inverted),
        }
    }

    /// Determines the maximum value of the interval that can be displayed by the bar.
    pub fn max_value(self, max_value: f64) -> Self {
        Self {
            builder: self.builder.property("max-value", max_value),
        }
    }

    /// Determines the minimum value of the interval that can be displayed by the bar.
    pub fn min_value(self, min_value: f64) -> Self {
        Self {
            builder: self.builder.property("min-value", min_value),
        }
    }

    /// Determines the way [`LevelBar`][crate::LevelBar] interprets the value properties to draw the
    /// level fill area.
    ///
    /// Specifically, when the value is [`LevelBarMode::Continuous`][crate::LevelBarMode::Continuous],
    /// [`LevelBar`][crate::LevelBar] will draw a single block representing the current value in
    /// that area; when the value is [`LevelBarMode::Discrete`][crate::LevelBarMode::Discrete],
    /// the widget will draw a succession of separate blocks filling the
    /// draw area, with the number of blocks being equal to the units separating
    /// the integral roundings of [`min-value`][struct@crate::LevelBar#min-value] and
    /// [`max-value`][struct@crate::LevelBar#max-value].
    pub fn mode(self, mode: LevelBarMode) -> Self {
        Self {
            builder: self.builder.property("mode", mode),
        }
    }

    /// Determines the currently filled value of the level bar.
    pub fn value(self, value: f64) -> Self {
        Self {
            builder: self.builder.property("value", value),
        }
    }

    /// Whether the widget or any of its descendents can accept
    /// the input focus.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn can_focus(self, can_focus: bool) -> Self {
        Self {
            builder: self.builder.property("can-focus", can_focus),
        }
    }

    /// Whether the widget can receive pointer events.
    pub fn can_target(self, can_target: bool) -> Self {
        Self {
            builder: self.builder.property("can-target", can_target),
        }
    }

    /// A list of css classes applied to this widget.
    pub fn css_classes(self, css_classes: impl Into<glib::StrV>) -> Self {
        Self {
            builder: self.builder.property("css-classes", css_classes.into()),
        }
    }

    /// The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn css_name(self, css_name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("css-name", css_name.into()),
        }
    }

    /// The cursor used by @widget.
    pub fn cursor(self, cursor: &gdk::Cursor) -> Self {
        Self {
            builder: self.builder.property("cursor", cursor.clone()),
        }
    }

    /// Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
        Self {
            builder: self.builder.property("focus-on-click", focus_on_click),
        }
    }

    /// Whether this widget itself will accept the input focus.
    pub fn focusable(self, focusable: bool) -> Self {
        Self {
            builder: self.builder.property("focusable", focusable),
        }
    }

    /// How to distribute horizontal space if widget gets extra space.
    pub fn halign(self, halign: Align) -> Self {
        Self {
            builder: self.builder.property("halign", halign),
        }
    }

    /// Enables or disables the emission of the [`query-tooltip`][struct@crate::Widget#query-tooltip]
    /// signal on @widget.
    ///
    /// A true value indicates that @widget can have a tooltip, in this case
    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
    /// determine whether it will provide a tooltip or not.
    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
        Self {
            builder: self.builder.property("has-tooltip", has_tooltip),
        }
    }

    /// Overrides for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn height_request(self, height_request: i32) -> Self {
        Self {
            builder: self.builder.property("height-request", height_request),
        }
    }

    /// Whether to expand horizontally.
    pub fn hexpand(self, hexpand: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand", hexpand),
        }
    }

    /// Whether to use the `hexpand` property.
    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand-set", hexpand_set),
        }
    }

    /// The [`LayoutManager`][crate::LayoutManager] instance to use to compute
    /// the preferred size of the widget, and allocate its children.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn layout_manager(self, layout_manager: &impl IsA<LayoutManager>) -> Self {
        Self {
            builder: self
                .builder
                .property("layout-manager", layout_manager.clone().upcast()),
        }
    }

    /// Makes this widget act like a modal dialog, with respect to
    /// event delivery.
    ///
    /// Global event controllers will not handle events with targets
    /// inside the widget, unless they are set up to ignore propagation
    /// limits. See [`EventControllerExt::set_propagation_limit()`][crate::prelude::EventControllerExt::set_propagation_limit()].
    #[cfg(feature = "v4_18")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_18")))]
    pub fn limit_events(self, limit_events: bool) -> Self {
        Self {
            builder: self.builder.property("limit-events", limit_events),
        }
    }

    /// Margin on bottom side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_bottom(self, margin_bottom: i32) -> Self {
        Self {
            builder: self.builder.property("margin-bottom", margin_bottom),
        }
    }

    /// Margin on end of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_end(self, margin_end: i32) -> Self {
        Self {
            builder: self.builder.property("margin-end", margin_end),
        }
    }

    /// Margin on start of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_start(self, margin_start: i32) -> Self {
        Self {
            builder: self.builder.property("margin-start", margin_start),
        }
    }

    /// Margin on top side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    pub fn margin_top(self, margin_top: i32) -> Self {
        Self {
            builder: self.builder.property("margin-top", margin_top),
        }
    }

    /// The name of the widget.
    pub fn name(self, name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("name", name.into()),
        }
    }

    /// The requested opacity of the widget.
    pub fn opacity(self, opacity: f64) -> Self {
        Self {
            builder: self.builder.property("opacity", opacity),
        }
    }

    /// How content outside the widget's content area is treated.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    pub fn overflow(self, overflow: Overflow) -> Self {
        Self {
            builder: self.builder.property("overflow", overflow),
        }
    }

    /// Whether the widget will receive the default action when it is focused.
    pub fn receives_default(self, receives_default: bool) -> Self {
        Self {
            builder: self.builder.property("receives-default", receives_default),
        }
    }

    /// Whether the widget responds to input.
    pub fn sensitive(self, sensitive: bool) -> Self {
        Self {
            builder: self.builder.property("sensitive", sensitive),
        }
    }

    /// Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
        Self {
            builder: self
                .builder
                .property("tooltip-markup", tooltip_markup.into()),
        }
    }

    /// Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not `NULL`:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to true
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("tooltip-text", tooltip_text.into()),
        }
    }

    /// How to distribute vertical space if widget gets extra space.
    pub fn valign(self, valign: Align) -> Self {
        Self {
            builder: self.builder.property("valign", valign),
        }
    }

    /// Whether to expand vertically.
    pub fn vexpand(self, vexpand: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand", vexpand),
        }
    }

    /// Whether to use the `vexpand` property.
    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand-set", vexpand_set),
        }
    }

    /// Whether the widget is visible.
    pub fn visible(self, visible: bool) -> Self {
        Self {
            builder: self.builder.property("visible", visible),
        }
    }

    /// Overrides for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn width_request(self, width_request: i32) -> Self {
        Self {
            builder: self.builder.property("width-request", width_request),
        }
    }

    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    pub fn accessible_role(self, accessible_role: AccessibleRole) -> Self {
        Self {
            builder: self.builder.property("accessible-role", accessible_role),
        }
    }

    /// The orientation of the orientable.
    pub fn orientation(self, orientation: Orientation) -> Self {
        Self {
            builder: self.builder.property("orientation", orientation),
        }
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`LevelBar`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> LevelBar {
        assert_initialized_main_thread!();
        self.builder.build()
    }
}