80237b1082
As we plan to slowly phase out Cairo where possible in libmutter https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3128 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2873>
90 lines
3.1 KiB
JavaScript
90 lines
3.1 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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import Clutter from 'gi://Clutter';
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import GObject from 'gi://GObject';
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import Mtk from 'gi://Mtk';
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import St from 'gi://St';
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import * as Main from './main.js';
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const EDGE_THRESHOLD = 20;
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const DRAG_DISTANCE = 80;
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export const EdgeDragAction = GObject.registerClass({
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Signals: {
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'activated': {},
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'progress': {param_types: [GObject.TYPE_DOUBLE]},
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},
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}, class EdgeDragAction extends Clutter.GestureAction {
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_init(side, allowedModes) {
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super._init();
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this._side = side;
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this._allowedModes = allowedModes;
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this.set_n_touch_points(1);
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this.set_threshold_trigger_edge(Clutter.GestureTriggerEdge.AFTER);
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}
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_getMonitorRect(x, y) {
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const rect = new Mtk.Rectangle({x: x - 1, y: y - 1, width: 1, height: 1});
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let monitorIndex = global.display.get_monitor_index_for_rect(rect);
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return global.display.get_monitor_geometry(monitorIndex);
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}
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vfunc_gesture_prepare(_actor) {
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if (this.get_n_current_points() === 0)
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return false;
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if (!(this._allowedModes & Main.actionMode))
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return false;
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let [x, y] = this.get_press_coords(0);
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let monitorRect = this._getMonitorRect(x, y);
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return (this._side === St.Side.LEFT && x < monitorRect.x + EDGE_THRESHOLD) ||
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(this._side === St.Side.RIGHT && x > monitorRect.x + monitorRect.width - EDGE_THRESHOLD) ||
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(this._side === St.Side.TOP && y < monitorRect.y + EDGE_THRESHOLD) ||
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(this._side === St.Side.BOTTOM && y > monitorRect.y + monitorRect.height - EDGE_THRESHOLD);
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}
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vfunc_gesture_progress(_actor) {
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let [startX, startY] = this.get_press_coords(0);
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let [x, y] = this.get_motion_coords(0);
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let offsetX = Math.abs(x - startX);
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let offsetY = Math.abs(y - startY);
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if (offsetX < EDGE_THRESHOLD && offsetY < EDGE_THRESHOLD)
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return true;
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if ((offsetX > offsetY &&
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(this._side === St.Side.TOP || this._side === St.Side.BOTTOM)) ||
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(offsetY > offsetX &&
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(this._side === St.Side.LEFT || this._side === St.Side.RIGHT))) {
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this.cancel();
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return false;
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}
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if (this._side === St.Side.TOP ||
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this._side === St.Side.BOTTOM)
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this.emit('progress', offsetY);
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else
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this.emit('progress', offsetX);
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return true;
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}
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vfunc_gesture_end(_actor) {
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let [startX, startY] = this.get_press_coords(0);
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let [x, y] = this.get_motion_coords(0);
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let monitorRect = this._getMonitorRect(startX, startY);
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if ((this._side === St.Side.TOP && y > monitorRect.y + DRAG_DISTANCE) ||
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(this._side === St.Side.BOTTOM && y < monitorRect.y + monitorRect.height - DRAG_DISTANCE) ||
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(this._side === St.Side.LEFT && x > monitorRect.x + DRAG_DISTANCE) ||
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(this._side === St.Side.RIGHT && x < monitorRect.x + monitorRect.width - DRAG_DISTANCE))
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this.emit('activated');
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else
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this.cancel();
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}
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});
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