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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Cursor.h"
#include "Image.h"
#include "IntRect.h"
#include "NotImplemented.h"
#include <wtf/Assertions.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
IntPoint determineHotSpot(Image* image, const IntPoint& specifiedHotSpot)
{
if (image->isNull())
return IntPoint();
// Hot spot must be inside cursor rectangle.
IntRect imageRect = IntRect(image->rect());
if (imageRect.contains(specifiedHotSpot))
return specifiedHotSpot;
// If hot spot is not specified externally, it can be extracted from some image formats (e.g. .cur).
if (auto intrinsicHotSpot = image->hotSpot()) {
if (imageRect.contains(intrinsicHotSpot.value()))
return intrinsicHotSpot.value();
}
return IntPoint();
}
const Cursor& Cursor::fromType(Cursor::Type type)
{
switch (type) {
case Cursor::Pointer:
return pointerCursor();
case Cursor::Cross:
return crossCursor();
case Cursor::Hand:
return handCursor();
case Cursor::IBeam:
return iBeamCursor();
case Cursor::Wait:
return waitCursor();
case Cursor::Help:
return helpCursor();
case Cursor::EastResize:
return eastResizeCursor();
case Cursor::NorthResize:
return northResizeCursor();
case Cursor::NorthEastResize:
return northEastResizeCursor();
case Cursor::NorthWestResize:
return northWestResizeCursor();
case Cursor::SouthResize:
return southResizeCursor();
case Cursor::SouthEastResize:
return southEastResizeCursor();
case Cursor::SouthWestResize:
return southWestResizeCursor();
case Cursor::WestResize:
return westResizeCursor();
case Cursor::NorthSouthResize:
return northSouthResizeCursor();
case Cursor::EastWestResize:
return eastWestResizeCursor();
case Cursor::NorthEastSouthWestResize:
return northEastSouthWestResizeCursor();
case Cursor::NorthWestSouthEastResize:
return northWestSouthEastResizeCursor();
case Cursor::ColumnResize:
return columnResizeCursor();
case Cursor::RowResize:
return rowResizeCursor();
case Cursor::MiddlePanning:
return middlePanningCursor();
case Cursor::EastPanning:
return eastPanningCursor();
case Cursor::NorthPanning:
return northPanningCursor();
case Cursor::NorthEastPanning:
return northEastPanningCursor();
case Cursor::NorthWestPanning:
return northWestPanningCursor();
case Cursor::SouthPanning:
return southPanningCursor();
case Cursor::SouthEastPanning:
return southEastPanningCursor();
case Cursor::SouthWestPanning:
return southWestPanningCursor();
case Cursor::WestPanning:
return westPanningCursor();
case Cursor::Move:
return moveCursor();
case Cursor::VerticalText:
return verticalTextCursor();
case Cursor::Cell:
return cellCursor();
case Cursor::ContextMenu:
return contextMenuCursor();
case Cursor::Alias:
return aliasCursor();
case Cursor::Progress:
return progressCursor();
case Cursor::NoDrop:
return noDropCursor();
case Cursor::Copy:
return copyCursor();
case Cursor::None:
return noneCursor();
case Cursor::NotAllowed:
return notAllowedCursor();
case Cursor::ZoomIn:
return zoomInCursor();
case Cursor::ZoomOut:
return zoomOutCursor();
case Cursor::Grab:
return grabCursor();
case Cursor::Grabbing:
return grabbingCursor();
case Cursor::Custom:
ASSERT_NOT_REACHED();
}
return pointerCursor();
}
Cursor::Cursor(Image* image, const IntPoint& hotSpot)
: m_type(Custom)
, m_image(image)
, m_hotSpot(determineHotSpot(image, hotSpot))
#if ENABLE(MOUSE_CURSOR_SCALE)
, m_imageScaleFactor(1)
#endif
, m_platformCursor(0)
{
}
#if ENABLE(MOUSE_CURSOR_SCALE)
Cursor::Cursor(Image* image, const IntPoint& hotSpot, float scale)
: m_type(Custom)
, m_image(image)
, m_hotSpot(determineHotSpot(image, hotSpot))
, m_imageScaleFactor(scale)
, m_platformCursor(0)
{
}
#endif
Cursor::Cursor(Type type)
: m_type(type)
#if ENABLE(MOUSE_CURSOR_SCALE)
, m_imageScaleFactor(1)
#endif
, m_platformCursor(0)
{
}
#if !HAVE(NSCURSOR)
PlatformCursor Cursor::platformCursor() const
{
ensurePlatformCursor();
return m_platformCursor;
}
#endif
const Cursor& pointerCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Pointer);
return c;
}
const Cursor& crossCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Cross);
return c;
}
const Cursor& handCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Hand);
return c;
}
const Cursor& moveCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Move);
return c;
}
const Cursor& verticalTextCursor()
{
static NeverDestroyed<Cursor> c(Cursor::VerticalText);
return c;
}
const Cursor& cellCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Cell);
return c;
}
const Cursor& contextMenuCursor()
{
static NeverDestroyed<Cursor> c(Cursor::ContextMenu);
return c;
}
const Cursor& aliasCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Alias);
return c;
}
const Cursor& zoomInCursor()
{
static NeverDestroyed<Cursor> c(Cursor::ZoomIn);
return c;
}
const Cursor& zoomOutCursor()
{
static NeverDestroyed<Cursor> c(Cursor::ZoomOut);
return c;
}
const Cursor& copyCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Copy);
return c;
}
const Cursor& noneCursor()
{
static NeverDestroyed<Cursor> c(Cursor::None);
return c;
}
const Cursor& progressCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Progress);
return c;
}
const Cursor& noDropCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NoDrop);
return c;
}
const Cursor& notAllowedCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NotAllowed);
return c;
}
const Cursor& iBeamCursor()
{
static NeverDestroyed<Cursor> c(Cursor::IBeam);
return c;
}
const Cursor& waitCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Wait);
return c;
}
const Cursor& helpCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Help);
return c;
}
const Cursor& eastResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::EastResize);
return c;
}
const Cursor& northResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthResize);
return c;
}
const Cursor& northEastResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthEastResize);
return c;
}
const Cursor& northWestResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthWestResize);
return c;
}
const Cursor& southResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::SouthResize);
return c;
}
const Cursor& southEastResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::SouthEastResize);
return c;
}
const Cursor& southWestResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::SouthWestResize);
return c;
}
const Cursor& westResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::WestResize);
return c;
}
const Cursor& northSouthResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthSouthResize);
return c;
}
const Cursor& eastWestResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::EastWestResize);
return c;
}
const Cursor& northEastSouthWestResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthEastSouthWestResize);
return c;
}
const Cursor& northWestSouthEastResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthWestSouthEastResize);
return c;
}
const Cursor& columnResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::ColumnResize);
return c;
}
const Cursor& rowResizeCursor()
{
static NeverDestroyed<Cursor> c(Cursor::RowResize);
return c;
}
const Cursor& middlePanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::MiddlePanning);
return c;
}
const Cursor& eastPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::EastPanning);
return c;
}
const Cursor& northPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthPanning);
return c;
}
const Cursor& northEastPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthEastPanning);
return c;
}
const Cursor& northWestPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::NorthWestPanning);
return c;
}
const Cursor& southPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::SouthPanning);
return c;
}
const Cursor& southEastPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::SouthEastPanning);
return c;
}
const Cursor& southWestPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::SouthWestPanning);
return c;
}
const Cursor& westPanningCursor()
{
static NeverDestroyed<Cursor> c(Cursor::WestPanning);
return c;
}
const Cursor& grabCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Grab);
return c;
}
const Cursor& grabbingCursor()
{
static NeverDestroyed<Cursor> c(Cursor::Grabbing);
return c;
}
#if !HAVE(NSCURSOR) && !PLATFORM(GTK) && !PLATFORM(WIN)
void Cursor::ensurePlatformCursor() const
{
notImplemented();
}
#endif
#if !HAVE(NSCURSOR)
void Cursor::setAsPlatformCursor() const
{
notImplemented();
}
#endif
} // namespace WebCore