irrlicht/source/Irrlicht/CIrrDeviceFB.h

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// Copyright (C) 2002-2007 Nikolaus Gebhardt
// Copyright (C) 2007-2012 Christian Stehno
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef IRR_C_IRR_DEVICE_FB_H_INCLUDED
#define IRR_C_IRR_DEVICE_FB_H_INCLUDED
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_FB_DEVICE_
#include "CIrrDeviceStub.h"
#include "SIrrCreationParameters.h"
#include "IrrlichtDevice.h"
#include "IImagePresenter.h"
#include "ICursorControl.h"
#define KeySym s32
#include <linux/fb.h>
#include <linux/kd.h>
namespace irr
{
class CIrrDeviceFB : public CIrrDeviceStub, public video::IImagePresenter
{
public:
//! constructor
CIrrDeviceFB(const SIrrlichtCreationParameters& params);
//! destructor
virtual ~CIrrDeviceFB();
//! runs the device. Returns false if device wants to be deleted
virtual bool run() IRR_OVERRIDE;
//! Cause the device to temporarily pause execution and let other processes to run
// This should bring down processor usage without major performance loss for Irrlicht
virtual void yield() IRR_OVERRIDE;
//! Pause execution and let other processes to run for a specified amount of time.
virtual void sleep(u32 timeMs, bool pauseTimer) IRR_OVERRIDE;
//! sets the caption of the window
virtual void setWindowCaption(const wchar_t* text) IRR_OVERRIDE;
//! returns if window is active. if not, nothing need to be drawn
virtual bool isWindowActive() const IRR_OVERRIDE;
//! returns if window has focus
virtual bool isWindowFocused() const IRR_OVERRIDE;
//! returns if window is minimized
virtual bool isWindowMinimized() const IRR_OVERRIDE;
//! Minimizes window
virtual void minimizeWindow() IRR_OVERRIDE;
//! Maximizes window
virtual void maximizeWindow() IRR_OVERRIDE;
//! Restores original window size
virtual void restoreWindow() IRR_OVERRIDE;
//! returns current window position (not supported for this device)
virtual core::position2di getWindowPosition() IRR_OVERRIDE
{
return core::position2di(-1, -1);
}
//! presents a surface in the client area
virtual bool present(video::IImage* surface, void* windowId = 0, core::rect<s32>* src=0 ) IRR_OVERRIDE;
//! notifies the device that it should close itself
virtual void closeDevice() IRR_OVERRIDE;
//! Sets if the window should be resizeable in windowed mode.
virtual void setResizable(bool resize=false) IRR_OVERRIDE;
//! Returns the type of this device
virtual E_DEVICE_TYPE getType() const IRR_OVERRIDE;
private:
//! create the driver
void createDriver();
bool createWindow(const core::dimension2d<u32>& windowSize, u32 bits);
//! Implementation of the cursor control
class CCursorControl : public gui::ICursorControl
{
public:
CCursorControl(CIrrDeviceFB* dev, bool null)
: Device(dev), IsVisible(true), Null(null)
{
Device->grab();
}
~CCursorControl()
{
Device->drop();
}
//! Changes the visible state of the mouse cursor.
virtual void setVisible(bool visible) IRR_OVERRIDE
{
IsVisible = visible;
}
//! Returns if the cursor is currently visible.
virtual bool isVisible() const IRR_OVERRIDE
{
return IsVisible;
}
//! Sets the new position of the cursor.
virtual void setPosition(const core::position2d<f32> &pos) IRR_OVERRIDE
{
setPosition(pos.X, pos.Y);
}
//! Sets the new position of the cursor.
virtual void setPosition(f32 x, f32 y) IRR_OVERRIDE
{
setPosition((s32)(x*Device->CreationParams.WindowSize.Width), (s32)(y*Device->CreationParams.WindowSize.Height));
}
//! Sets the new position of the cursor.
virtual void setPosition(const core::position2d<s32> &pos) IRR_OVERRIDE
{
setPosition(pos.X, pos.Y);
}
//! Sets the new position of the cursor.
virtual void setPosition(s32 x, s32 y) IRR_OVERRIDE
{
}
//! Returns the current position of the mouse cursor.
virtual const core::position2d<s32>& getPosition(bool updateCursor) IRR_OVERRIDE
{
if ( updateCursor )
updateCursorPos();
return CursorPos;
}
//! Returns the current position of the mouse cursor.
virtual core::position2d<f32> getRelativePosition(bool updateCursor) IRR_OVERRIDE
{
if ( updateCursor)
updateCursorPos();
return core::position2d<f32>(CursorPos.X / (f32)Device->CreationParams.WindowSize.Width,
CursorPos.Y / (f32)Device->CreationParams.WindowSize.Height);
}
virtual void setReferenceRect(core::rect<s32>* rect=0) IRR_OVERRIDE
{
}
private:
void updateCursorPos()
{
}
core::position2d<s32> CursorPos;
CIrrDeviceFB* Device;
bool IsVisible;
bool Null;
};
friend class CCursorControl;
int Framebuffer;
int EventDevice;
int KeyboardDevice;
struct fb_fix_screeninfo fbfixscreeninfo;
struct fb_var_screeninfo fbscreeninfo;
struct fb_var_screeninfo oldscreeninfo;
long KeyboardMode;
u8* SoftwareImage;
u32 Pitch;
video::ECOLOR_FORMAT FBColorFormat;
bool Close;
struct SKeyMap
{
SKeyMap() {}
SKeyMap(s32 x11, s32 win32)
: X11Key(x11), Win32Key(win32)
{
}
KeySym X11Key;
s32 Win32Key;
bool operator<(const SKeyMap& o) const
{
return X11Key<o.X11Key;
}
};
core::array<SKeyMap> KeyMap;
};
} // end namespace irr
#endif // _IRR_USE_FB_DEVICE_
#endif // IRR_C_IRR_DEVICE_FB_H_INCLUDED