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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Marco Antognini (antognini.marco@gmail.com),
// Laurent Gomila (laurent.gom@gmail.com),
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Window/VideoMode.hpp>
#include <SFML/Window/Window.hpp>
#include <SFML/Window/OSX/InputImpl.hpp>
#include <SFML/Window/OSX/HIDInputManager.hpp>
#include <SFML/System/Err.hpp>
#import <SFML/Window/OSX/SFOpenGLView.h>
#import <AppKit/AppKit.h>
////////////////////////////////////////////////////////////
/// In order to keep track of the keyboard's state and mouse buttons' state
/// we use the HID manager. Mouse position is handled differently.
///
/// NB: we probably could use
/// NSEvent +addGlobalMonitorForEventsMatchingMask:handler: for mouse only.
///
////////////////////////////////////////////////////////////
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Extract the dedicated SFOpenGLView from the SFML window
///
/// \param window a SFML window
/// \return nil if something went wrong or a SFOpenGLView*.
///
////////////////////////////////////////////////////////////
SFOpenGLView* getSFOpenGLViewFromSFMLWindow(const Window& window)
{
id nsHandle = (id)window.getSystemHandle();
// Get our SFOpenGLView from ...
SFOpenGLView* view = nil;
if ([nsHandle isKindOfClass:[NSWindow class]])
{
// If system handle is a window then from its content view.
view = [nsHandle contentView];
// Subview doesn't match ?
if (![view isKindOfClass:[SFOpenGLView class]])
{
sf::err() << "The content view is not a valid SFOpenGLView"
<< std::endl;
view = nil;
}
}
else if ([nsHandle isKindOfClass:[NSView class]])
{
// If system handle is a view then from a subview of kind SFOpenGLView.
NSArray* subviews = [nsHandle subviews];
for (NSView* subview in subviews)
{
if ([subview isKindOfClass:[SFOpenGLView class]])
{
view = (SFOpenGLView*)subview;
break;
}
}
// No matching subview ?
if (view == nil)
sf::err() << "Cannot find a valid SFOpenGLView subview." << std::endl;
}
else
{
if (nsHandle != 0)
sf::err() << "The system handle is neither a <NSWindow*> nor <NSView*>"
<< "object. This shouldn't happen."
<< std::endl;
// Else: this probably means the SFML window was previously closed.
}
return view;
}
////////////////////////////////////////////////////////////
bool InputImpl::isKeyPressed(Keyboard::Key key)
{
return HIDInputManager::getInstance().isKeyPressed(key);
}
////////////////////////////////////////////////////////////
void InputImpl::setVirtualKeyboardVisible(bool /*visible*/)
{
// Not applicable
}
////////////////////////////////////////////////////////////
bool InputImpl::isMouseButtonPressed(Mouse::Button button)
{
NSUInteger state = [NSEvent pressedMouseButtons];
NSUInteger flag = 1 << button;
return (state & flag) != 0;
}
////////////////////////////////////////////////////////////
Vector2i InputImpl::getMousePosition()
{
// Reverse Y axis to match SFML coord.
NSPoint pos = [NSEvent mouseLocation];
pos.y = sf::VideoMode::getDesktopMode().height - pos.y;
int scale = [[NSScreen mainScreen] backingScaleFactor];
return Vector2i(pos.x, pos.y) * scale;
}
////////////////////////////////////////////////////////////
Vector2i InputImpl::getMousePosition(const Window& relativeTo)
{
SFOpenGLView* view = getSFOpenGLViewFromSFMLWindow(relativeTo);
// No view ?
if (view == nil)
return Vector2i();
// Use -cursorPositionFromEvent: with nil.
NSPoint pos = [view cursorPositionFromEvent:nil];
int scale = [view displayScaleFactor];
return Vector2i(pos.x, pos.y) * scale;
}
////////////////////////////////////////////////////////////
void InputImpl::setMousePosition(const Vector2i& position)
{
// Here we don't need to reverse the coordinates.
int scale = [[NSScreen mainScreen] backingScaleFactor];
CGPoint pos = CGPointMake(position.x / scale, position.y / scale);
// Place the cursor.
CGEventRef event = CGEventCreateMouseEvent(NULL,
kCGEventMouseMoved,
pos,
/*we don't care about this: */0);
CGEventPost(kCGHIDEventTap, event);
CFRelease(event);
// This is a workaround to deprecated CGSetLocalEventsSuppressionInterval.
}
////////////////////////////////////////////////////////////
void InputImpl::setMousePosition(const Vector2i& position, const Window& relativeTo)
{
SFOpenGLView* view = getSFOpenGLViewFromSFMLWindow(relativeTo);
// No view ?
if (view == nil)
return;
// Let SFOpenGLView compute the position in global coordinate
int scale = [view displayScaleFactor];
NSPoint p = NSMakePoint(position.x / scale, position.y / scale);
p = [view computeGlobalPositionOfRelativePoint:p];
setMousePosition(sf::Vector2i(p.x, p.y) * scale);
}
////////////////////////////////////////////////////////////
bool InputImpl::isTouchDown(unsigned int /*finger*/)
{
// Not applicable
return false;
}
////////////////////////////////////////////////////////////
Vector2i InputImpl::getTouchPosition(unsigned int /*finger*/)
{
// Not applicable
return Vector2i();
}
////////////////////////////////////////////////////////////
Vector2i InputImpl::getTouchPosition(unsigned int /*finger*/, const Window& /*relativeTo*/)
{
// Not applicable
return Vector2i();
}
} // namespace priv
} // namespace sf
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