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/*
* Copyright (C) 2019-2020 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class DOM {
static isPointInRect(x, y, rect) {
return (
x >= rect.left && x < rect.right &&
y >= rect.top && y < rect.bottom
);
}
static isPointInAnyRect(x, y, rects) {
for (const rect of rects) {
if (DOM.isPointInRect(x, y, rect)) {
return true;
}
}
return false;
}
static isPointInSelection(x, y, selection) {
for (let i = 0; i < selection.rangeCount; ++i) {
const range = selection.getRangeAt(i);
if (DOM.isPointInAnyRect(x, y, range.getClientRects())) {
return true;
}
}
return false;
}
static isMouseButtonPressed(mouseEvent, button) {
const mouseEventButton = mouseEvent.button;
switch (button) {
case 'primary': return mouseEventButton === 0;
case 'secondary': return mouseEventButton === 2;
case 'auxiliary': return mouseEventButton === 1;
default: return false;
}
}
static isMouseButtonDown(mouseEvent, button) {
const mouseEventButtons = mouseEvent.buttons;
switch (button) {
case 'primary': return (mouseEventButtons & 0x1) !== 0x0;
case 'secondary': return (mouseEventButtons & 0x2) !== 0x0;
case 'auxiliary': return (mouseEventButtons & 0x4) !== 0x0;
default: return false;
}
}
}
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