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import { App, Astal, Gdk, Gtk } from "astal/gtk3"
const { TOP, RIGHT, BOTTOM, LEFT } = Astal.WindowAnchor
type PopupProps = {
child?: unknown
marginBottom?: number
marginTop?: number
marginLeft?: number
marginRight?: number
halign?: Gtk.Align
valign?: Gtk.Align
}
function Popup({
child,
marginBottom,
marginTop,
marginLeft,
marginRight,
halign = Gtk.Align.CENTER,
valign = Gtk.Align.CENTER,
}: PopupProps) {
return (
<window
visible={false}
css="background-color: transparent"
keymode={Astal.Keymode.EXCLUSIVE}
anchor={TOP | RIGHT | BOTTOM | LEFT}
exclusivity={Astal.Exclusivity.IGNORE}
// close when click occurs otside of child
onButtonPressEvent={(self, event) => {
const [, _x, _y] = event.get_coords()
const { x, y, width, height } = self
.get_child()!
.get_allocation()
const xOut = _x < x || _x > x + width
const yOut = _y < y || _y > y + height
// clicked outside
if (xOut || yOut) self.hide()
}}
// close when hitting Escape
onKeyPressEvent={(self, event: Gdk.Event) => {
if (event.get_keyval()[1] === Gdk.KEY_Escape) {
self.hide()
}
}}
>
<box
className="Popup"
onButtonPressEvent={() => true} // make sure click event does not bubble up
// child can be positioned with `halign` `valign` and margins
expand
halign={halign}
valign={valign}
marginBottom={marginBottom}
marginTop={marginTop}
marginStart={marginLeft}
marginEnd={marginRight}
>
{child}
</box>
</window>
)
}
App.start({
instanceName: "popup-example",
css: `
.Popup {
background-color: @theme_bg_color;
box-shadow: 2px 3px 7px 0 rgba(0,0,0,0.4);
border-radius: 12px;
padding: 12px;
}
`,
main() {
const popup = (
<Popup
marginTop={36}
marginRight={60}
valign={Gtk.Align.START}
halign={Gtk.Align.END}
>
<button onClicked={() => popup.hide()}>
Click me to close the popup
</button>
</Popup>
)
return (
<window
anchor={TOP | LEFT | RIGHT}
exclusivity={Astal.Exclusivity.EXCLUSIVE}
>
<button onClicked={() => popup.show()} halign={Gtk.Align.END}>
Click to open popup
</button>
</window>
)
},
})
|
