Trait gtk4::prelude::ButtonExt[][src]

pub trait ButtonExt: 'static {
Show 19 methods fn child(&self) -> Option<Widget>;
fn has_frame(&self) -> bool;
fn icon_name(&self) -> Option<GString>;
fn label(&self) -> Option<GString>;
fn uses_underline(&self) -> bool;
fn set_child(&self, child: Option<&impl IsA<Widget>>);
fn set_has_frame(&self, has_frame: bool);
fn set_icon_name(&self, icon_name: &str);
fn set_label(&self, label: &str);
fn set_use_underline(&self, use_underline: bool);
fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
fn emit_activate(&self);
fn connect_clicked<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
fn emit_clicked(&self);
fn connect_child_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId;
fn connect_has_frame_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId;
fn connect_icon_name_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId;
fn connect_label_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId;
fn connect_use_underline_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId;
}
Expand description

Trait containing all Button methods.

Implementors

Button, LinkButton, LockButton, ToggleButton

Required methods

Gets the child widget of self.

Returns

the child widget of self

Returns whether the button has a frame.

Returns

true if the button has a frame

Returns the icon name of the button.

If the icon name has not been set with set_icon_name() the return value will be None. This will be the case if you create an empty button with Button::new() to use as a container.

Returns

The icon name set via set_icon_name()

Fetches the text from the label of the button.

If the label text has not been set with set_label() the return value will be None. This will be the case if you create an empty button with Button::new() to use as a container.

Returns

The text of the label widget. This string is owned by the widget and must not be modified or freed.

gets whether underlines are interpreted as mnemonics.

See set_use_underline().

Returns

true if an embedded underline in the button label indicates the mnemonic accelerator keys.

Sets the child widget of self.

child

the child widget

Sets the style of the button.

Buttons can has a flat appearance or have a frame drawn around them.

has_frame

whether the button should have a visible frame

Adds a Image with the given icon name as a child.

If self already contains a child widget, that child widget will be removed and replaced with the image.

icon_name

An icon name

Sets the text of the label of the button to label.

This will also clear any previously set labels.

label

a string

Sets whether to use underlines as mnemonics.

If true, an underline in the text of the button label indicates the next character should be used for the mnemonic accelerator key.

use_underline

true if underlines in the text indicate mnemonics

Emitted to animate press then release.

This is an action signal. Applications should never connect to this signal, but use the signal::Button::clicked signal.

Emitted when the button has been activated (pressed and released).

Implementors