68 lines
2.2 KiB
JavaScript
68 lines
2.2 KiB
JavaScript
// Taken from https://github.com/jkitching/soft-brightness-plus
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//
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// Copyright (C) 2023 Joel Kitching (jkitching on Github)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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import Clutter from 'gi://Clutter';
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import GObject from 'gi://GObject';
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// Copied almost verbatim from ui/magnifier.js.
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export const MouseSpriteContent = GObject.registerClass({
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Implements: [Clutter.Content],
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}, class MouseSpriteContent extends GObject.Object {
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_init() {
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super._init();
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this._texture = null;
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}
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vfunc_get_preferred_size() {
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if (!this._texture)
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return [false, 0, 0];
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return [true, this._texture.get_width(), this._texture.get_height()];
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}
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vfunc_paint_content(actor, node, _paintContext) {
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if (!this._texture)
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return;
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let color = Clutter.Color.from_string('#ffffff'); // white
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let [minFilter, magFilter] = actor.get_content_scaling_filters();
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let textureNode = new Clutter.TextureNode(this._texture,
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color, minFilter, magFilter);
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textureNode.set_name('SoftBrightnessPlusMouseSpriteContent');
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node.add_child(textureNode);
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textureNode.add_rectangle(actor.get_content_box());
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}
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get texture() {
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return this._texture;
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}
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set texture(coglTexture) {
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if (this._texture === coglTexture)
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return;
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let oldTexture = this._texture;
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this._texture = coglTexture;
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this.invalidate();
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if (!oldTexture || !coglTexture ||
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oldTexture.get_width() !== coglTexture.get_width() ||
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oldTexture.get_height() !== coglTexture.get_height())
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this.invalidate_size();
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}
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}); |