Files
2025-04-01 00:38:54 +02:00

119 lines
4.1 KiB
JavaScript

/*
* ISC License
*
* Copyright (c) 2024 idnovate.com
* idnovate is a Registered Trademark & Property of idnovate.com, innovación y desarrollo SCP
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* @author idnovate
* @copyright 2024 idnovate
* @license https://www.isc.org/licenses/ https://opensource.org/licenses/ISC ISC License
*/
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.defineOption("selectionPointer", false, function(cm, val) {
var data = cm.state.selectionPointer;
if (data) {
CodeMirror.off(cm.getWrapperElement(), "mousemove", data.mousemove);
CodeMirror.off(cm.getWrapperElement(), "mouseout", data.mouseout);
CodeMirror.off(window, "scroll", data.windowScroll);
cm.off("cursorActivity", reset);
cm.off("scroll", reset);
cm.state.selectionPointer = null;
cm.display.lineDiv.style.cursor = "";
}
if (val) {
data = cm.state.selectionPointer = {
value: typeof val == "string" ? val : "default",
mousemove: function(event) { mousemove(cm, event); },
mouseout: function(event) { mouseout(cm, event); },
windowScroll: function() { reset(cm); },
rects: null,
mouseX: null, mouseY: null,
willUpdate: false
};
CodeMirror.on(cm.getWrapperElement(), "mousemove", data.mousemove);
CodeMirror.on(cm.getWrapperElement(), "mouseout", data.mouseout);
CodeMirror.on(window, "scroll", data.windowScroll);
cm.on("cursorActivity", reset);
cm.on("scroll", reset);
}
});
function mousemove(cm, event) {
var data = cm.state.selectionPointer;
if (event.buttons == null ? event.which : event.buttons) {
data.mouseX = data.mouseY = null;
} else {
data.mouseX = event.clientX;
data.mouseY = event.clientY;
}
scheduleUpdate(cm);
}
function mouseout(cm, event) {
if (!cm.getWrapperElement().contains(event.relatedTarget)) {
var data = cm.state.selectionPointer;
data.mouseX = data.mouseY = null;
scheduleUpdate(cm);
}
}
function reset(cm) {
cm.state.selectionPointer.rects = null;
scheduleUpdate(cm);
}
function scheduleUpdate(cm) {
if (!cm.state.selectionPointer.willUpdate) {
cm.state.selectionPointer.willUpdate = true;
setTimeout(function() {
update(cm);
cm.state.selectionPointer.willUpdate = false;
}, 50);
}
}
function update(cm) {
var data = cm.state.selectionPointer;
if (!data) return;
if (data.rects == null && data.mouseX != null) {
data.rects = [];
if (cm.somethingSelected()) {
for (var sel = cm.display.selectionDiv.firstChild; sel; sel = sel.nextSibling)
data.rects.push(sel.getBoundingClientRect());
}
}
var inside = false;
if (data.mouseX != null) for (var i = 0; i < data.rects.length; i++) {
var rect = data.rects[i];
if (rect.left <= data.mouseX && rect.right >= data.mouseX &&
rect.top <= data.mouseY && rect.bottom >= data.mouseY)
inside = true;
}
var cursor = inside ? data.value : "";
if (cm.display.lineDiv.style.cursor != cursor)
cm.display.lineDiv.style.cursor = cursor;
}
});