nixos-configs/config/ags/js/misc/drag.js

92 lines
2.4 KiB
JavaScript

const { Window, Box, EventBox, Button } = ags.Widget;
const { Gtk, Gdk } = imports.gi;
const display = Gdk.Display.get_default();
// TODO: add slide away anim
export const Draggable = ({
maxOffset = 150,
startMargin = 0,
command = () => {},
addOnHover = w => {},
addOnHoverLost = w => {},
child = '',
children = [],
...params
}) => {
let w = EventBox({
...params,
onHover: box => {
box.window.set_cursor(Gdk.Cursor.new_from_name(display, 'grab'));
addOnHover(box);
},
onHoverLost: box => {
box.window.set_cursor(null);
addOnHoverLost(box);
},
});
let gesture = Gtk.GestureDrag.new(w);
w.child = Box({
children: [
...children,
child,
],
connections: [
[gesture, box => {
var offset = gesture.get_offset()[1];
if (offset >= 0) {
box.setStyle('margin-left: ' + Number(offset + startMargin) + 'px; ' +
'margin-right: -' + Number(offset + startMargin) + 'px;');
}
else {
offset = Math.abs(offset);
box.setStyle('margin-right: ' + Number(offset + startMargin) + 'px; ' +
'margin-left: -' + Number(offset + startMargin) + 'px;');
}
if (w.window)
w.window.set_cursor(Gdk.Cursor.new_from_name(display, 'grabbing'));
}, 'drag-update'],
[gesture, box => {
const offset = gesture.get_offset()[1];
if (Math.abs(offset) > maxOffset) {
command();
}
else {
box.setStyle('transition: margin 0.5s ease; margin-left: ' + startMargin + 'px; ' +
'margin-right: ' + startMargin + 'px;');
if (w.window)
w.window.set_cursor(Gdk.Cursor.new_from_name(display, 'grab'));
}
}, 'drag-end'],
],
});
return w;
};
/*export const DragTest = Window({
name: 'drag-test',
layer: 'overlay',
anchor: 'top right',
child: Box({
style: 'background: white; min-width: 200px; min-height: 200px;',
children: [
Draggable({
maxOffset: 120,
startMargin: 5,
className: 'test',
style: 'background: black; min-width: 40px; min-height: 20px',
child: Button({
style: 'background: red; min-width: 10px; min-height: 10px',
onClicked: 'echo hi',
}),
}),
],
}),
});*/