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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "qwasmcursor.h"
#include "qwasmscreen.h"
#include "qwasmstring.h"
#include <QtCore/qdebug.h>
#include <QtGui/qwindow.h>
#include <emscripten/emscripten.h>
#include <emscripten/bind.h>
using namespace emscripten;
void QWasmCursor::changeCursor(QCursor *windowCursor, QWindow *window)
{
if (!window)
return;
QScreen *screen = window->screen();
if (!screen)
return;
if (windowCursor) {
// Bitmap and custom cursors are not implemented (will fall back to "auto")
if (windowCursor->shape() == Qt::BitmapCursor || windowCursor->shape() >= Qt::CustomCursor)
qWarning() << "QWasmCursor: bitmap and custom cursors are not supported";
htmlCursorName = cursorShapeToHtml(windowCursor->shape());
}
if (htmlCursorName.isEmpty())
htmlCursorName = "default";
setWasmCursor(screen, htmlCursorName);
}
QByteArray QWasmCursor::cursorShapeToHtml(Qt::CursorShape shape)
{
QByteArray cursorName;
switch (shape) {
case Qt::ArrowCursor:
cursorName = "default";
break;
case Qt::UpArrowCursor:
cursorName = "n-resize";
break;
case Qt::CrossCursor:
cursorName = "crosshair";
break;
case Qt::WaitCursor:
cursorName = "wait";
break;
case Qt::IBeamCursor:
cursorName = "text";
break;
case Qt::SizeVerCursor:
cursorName = "ns-resize";
break;
case Qt::SizeHorCursor:
cursorName = "ew-resize";
break;
case Qt::SizeBDiagCursor:
cursorName = "nesw-resize";
break;
case Qt::SizeFDiagCursor:
cursorName = "nwse-resize";
break;
case Qt::SizeAllCursor:
cursorName = "move";
break;
case Qt::BlankCursor:
cursorName = "none";
break;
case Qt::SplitVCursor:
cursorName = "row-resize";
break;
case Qt::SplitHCursor:
cursorName = "col-resize";
break;
case Qt::PointingHandCursor:
cursorName = "pointer";
break;
case Qt::ForbiddenCursor:
cursorName = "not-allowed";
break;
case Qt::WhatsThisCursor:
cursorName = "help";
break;
case Qt::BusyCursor:
cursorName = "progress";
break;
case Qt::OpenHandCursor:
cursorName = "grab";
break;
case Qt::ClosedHandCursor:
cursorName = "grabbing";
break;
case Qt::DragCopyCursor:
cursorName = "copy";
break;
case Qt::DragMoveCursor:
cursorName = "default";
break;
case Qt::DragLinkCursor:
cursorName = "alias";
break;
default:
break;
}
return cursorName;
}
void QWasmCursor::setWasmCursor(QScreen *screen, const QByteArray &name)
{
// Set cursor on the canvas
val canvas = QWasmScreen::get(screen)->canvas();
val canvasStyle = canvas["style"];
canvasStyle.set("cursor", val(name.constData()));
}
void QWasmCursor::setOverrideWasmCursor(QCursor *windowCursor, QScreen *screen)
{
QWasmCursor *wCursor = static_cast<QWasmCursor *>(QWasmScreen::get(screen)->cursor());
wCursor->setWasmCursor(screen, wCursor->cursorShapeToHtml(windowCursor->shape()));
}
void QWasmCursor::clearOverrideWasmCursor(QScreen *screen)
{
QWasmCursor *wCursor = static_cast<QWasmCursor *>(QWasmScreen::get(screen)->cursor());
wCursor->setWasmCursor(screen, wCursor->htmlCursorName);
}
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