104 lines
3 KiB
JavaScript
104 lines
3 KiB
JavaScript
const { Window, Box, EventBox, Button } = ags.Widget;
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const { Gtk, Gdk } = imports.gi;
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const display = Gdk.Display.get_default();
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export const Draggable = ({
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maxOffset = 150,
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startMargin = 0,
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endMargin = 300,
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command = () => {},
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onHover = w => {},
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onHoverLost = w => {},
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child = '',
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children = [],
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properties = [[]],
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...params
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}) => {
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let w = EventBox({
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...params,
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properties: [
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['dragging', false],
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...properties,
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],
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onHover: box => {
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box.window.set_cursor(Gdk.Cursor.new_from_name(display, 'grab'));
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onHover(box);
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},
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onHoverLost: box => {
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box.window.set_cursor(null);
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onHoverLost(box);
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},
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});
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let gesture = Gtk.GestureDrag.new(w);
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let leftAnim = 'transition: margin 0.5s ease, opacity 0.5s ease; ' +
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'margin-left: -' + Number(maxOffset + endMargin) + 'px; ' +
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'margin-right: ' + Number(maxOffset + endMargin) + 'px; ' +
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'margin-bottom: -70px; margin-top: -70px; opacity: 0;';
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let rightAnim = 'transition: margin 0.5s ease, opacity 0.5s ease; ' +
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'margin-left: ' + Number(maxOffset + endMargin) + 'px; ' +
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'margin-right: -' + Number(maxOffset + endMargin) + 'px; ' +
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'margin-bottom: -70px; margin-top: -70px; opacity: 0;';
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w.child = Box({
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properties: [
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['leftAnim', leftAnim],
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['rightAnim', rightAnim],
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],
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children: [
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...children,
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child,
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],
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style: leftAnim,
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connections: [
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[gesture, box => {
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var offset = gesture.get_offset()[1];
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if (offset >= 0) {
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box.setStyle('margin-left: ' + Number(offset + startMargin) + 'px; ' +
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'margin-right: -' + Number(offset + startMargin) + 'px;');
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}
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else {
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offset = Math.abs(offset);
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box.setStyle('margin-right: ' + Number(offset + startMargin) + 'px; ' +
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'margin-left: -' + Number(offset + startMargin) + 'px;');
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}
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box.get_parent()._dragging = Math.abs(offset) > 10;
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if (w.window)
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w.window.set_cursor(Gdk.Cursor.new_from_name(display, 'grabbing'));
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}, 'drag-update'],
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[gesture, box => {
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const offset = gesture.get_offset()[1];
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if (Math.abs(offset) > maxOffset) {
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if (offset > 0) {
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box.setStyle(rightAnim);
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}
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else {
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box.setStyle(leftAnim);
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}
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setTimeout(command, 500);
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}
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else {
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box.setStyle('transition: margin 0.5s ease, opacity 0.5s ease; ' +
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'margin-left: ' + startMargin + 'px; ' +
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'margin-right: ' + startMargin + 'px; ' +
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'margin-bottom: unset; margin-top: unset; opacity: 1;');
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if (w.window)
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w.window.set_cursor(Gdk.Cursor.new_from_name(display, 'grab'));
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box.get_parent()._dragging = false;
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}
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}, 'drag-end'],
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],
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});
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return w;
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};
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