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Diffstat (limited to 'src/SFML/Window/OSX/InputImpl.mm')
| -rw-r--r-- | src/SFML/Window/OSX/InputImpl.mm | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/SFML/Window/OSX/InputImpl.mm b/src/SFML/Window/OSX/InputImpl.mm new file mode 100644 index 0000000..37b5faf --- /dev/null +++ b/src/SFML/Window/OSX/InputImpl.mm @@ -0,0 +1,183 @@ +//////////////////////////////////////////////////////////// +// +// SFML - Simple and Fast Multimedia Library +// Copyright (C) 2007-2012 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/OSX/InputImpl.hpp> +#include <SFML/Window/VideoMode.hpp> +#include <SFML/Window/Window.hpp> +#include <SFML/System/Err.hpp> +#include <SFML/Window/OSX/HIDInputManager.hpp> + +#import <AppKit/AppKit.h> +#import <SFML/Window/OSX/SFOpenGLView.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); +} + + +//////////////////////////////////////////////////////////// +bool InputImpl::isMouseButtonPressed(Mouse::Button button) +{ + return HIDInputManager::getInstance().isMouseButtonPressed(button); +} + + +//////////////////////////////////////////////////////////// +Vector2i InputImpl::getMousePosition() +{ + // Reverse Y axis to match SFML coord. + NSPoint pos = [NSEvent mouseLocation]; + pos.y = sf::VideoMode::getDesktopMode().height - pos.y; + + return Vector2i(pos.x, pos.y); +} + + +//////////////////////////////////////////////////////////// +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]; + + return Vector2i(pos.x, pos.y); +} + + +//////////////////////////////////////////////////////////// +void InputImpl::setMousePosition(const Vector2i& position) +{ + // Here we don't need to reverse the coordinates. + CGPoint pos = CGPointMake(position.x, position.y); + + // 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 + NSPoint p = NSMakePoint(position.x, position.y); + p = [view computeGlobalPositionOfRelativePoint:p]; + setMousePosition(sf::Vector2i(p.x, p.y)); +} + +} // namespace priv + +} // namespace sf |