mirror of https://github.com/qt/qtbase.git
144 lines
4.2 KiB
C++
144 lines
4.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2018 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qwasmcursor.h"
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#include "qwasmscreen.h"
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#include "qwasmstring.h"
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#include <QtCore/qdebug.h>
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#include <QtGui/qwindow.h>
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#include <emscripten/emscripten.h>
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#include <emscripten/bind.h>
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using namespace emscripten;
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void QWasmCursor::changeCursor(QCursor *windowCursor, QWindow *window)
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{
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if (!windowCursor || !window)
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return;
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QScreen *screen = window->screen();
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if (!screen)
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return;
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// Bitmap and custom cursors are not implemented (will fall back to "auto")
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if (windowCursor->shape() == Qt::BitmapCursor || windowCursor->shape() >= Qt::CustomCursor)
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qWarning() << "QWasmCursor: bitmap and custom cursors are not supported";
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QByteArray htmlCursorName = cursorShapeToHtml(windowCursor->shape());
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if (htmlCursorName.isEmpty())
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htmlCursorName = "auto";
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// Set cursor on the canvas
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val jsCanvasId = QWasmString::fromQString(QWasmScreen::get(screen)->canvasId());
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val document = val::global("document");
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val canvas = document.call<val>("getElementById", jsCanvasId);
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val canvasStyle = canvas["style"];
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canvasStyle.set("cursor", val(htmlCursorName.constData()));
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}
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QByteArray QWasmCursor::cursorShapeToHtml(Qt::CursorShape shape)
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{
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QByteArray cursorName;
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switch (shape) {
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case Qt::ArrowCursor:
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cursorName = "default";
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break;
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case Qt::UpArrowCursor:
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cursorName = "n-resize";
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break;
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case Qt::CrossCursor:
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cursorName = "crosshair";
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break;
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case Qt::WaitCursor:
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cursorName = "wait";
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break;
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case Qt::IBeamCursor:
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cursorName = "text";
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break;
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case Qt::SizeVerCursor:
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cursorName = "ns-resize";
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break;
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case Qt::SizeHorCursor:
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cursorName = "ew-resize";
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break;
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case Qt::SizeBDiagCursor:
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cursorName = "nesw-resize";
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break;
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case Qt::SizeFDiagCursor:
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cursorName = "nwse-resize";
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break;
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case Qt::SizeAllCursor:
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cursorName = "move";
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break;
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case Qt::BlankCursor:
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cursorName = "none";
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break;
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case Qt::SplitVCursor:
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cursorName = "row-resize";
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break;
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case Qt::SplitHCursor:
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cursorName = "col-resize";
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break;
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case Qt::PointingHandCursor:
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cursorName = "pointer";
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break;
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case Qt::ForbiddenCursor:
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cursorName = "not-allowed";
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break;
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case Qt::WhatsThisCursor:
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cursorName = "help";
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break;
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case Qt::BusyCursor:
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cursorName = "progress";
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break;
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case Qt::OpenHandCursor:
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cursorName = "grab";
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break;
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case Qt::ClosedHandCursor:
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cursorName = "grabbing";
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break;
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case Qt::DragCopyCursor:
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cursorName = "copy";
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break;
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case Qt::DragMoveCursor:
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cursorName = "default";
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break;
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case Qt::DragLinkCursor:
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cursorName = "alias";
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break;
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default:
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break;
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}
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return cursorName;
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}
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