351 lines
8.8 KiB
C++
351 lines
8.8 KiB
C++
// Copyright (C) 2002-2007 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_IRR_DEVICE_LINUX_H_INCLUDED__
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#define __C_IRR_DEVICE_LINUX_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_USE_LINUX_DEVICE_
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#include "CIrrDeviceStub.h"
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#include "IrrlichtDevice.h"
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#include "IImagePresenter.h"
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#include "ICursorControl.h"
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#ifdef _IRR_COMPILE_WITH_X11_
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#ifdef _IRR_COMPILE_WITH_OPENGL_
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#include <GL/gl.h>
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#define GLX_GLXEXT_LEGACY 1
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#include <GL/glx.h>
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#ifdef _IRR_OPENGL_USE_EXTPOINTER_
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#include "glxext.h"
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#endif
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#endif
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#ifdef _IRR_LINUX_X11_VIDMODE_
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#include <X11/extensions/xf86vmode.h>
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#endif
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#ifdef _IRR_LINUX_X11_RANDR_
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#include <X11/extensions/Xrandr.h>
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#endif
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#include <X11/keysym.h>
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#else
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#define KeySym s32
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#endif
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namespace irr
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{
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class CIrrDeviceLinux : public CIrrDeviceStub, public video::IImagePresenter
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{
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public:
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//! constructor
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CIrrDeviceLinux(video::E_DRIVER_TYPE deviceType,
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const core::dimension2d<s32>& windowSize, u32 bits,
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bool fullscreen, bool stencilbuffer, bool vsync, bool antiAlias, IEventReceiver* receiver,
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const char* version);
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//! destructor
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virtual ~CIrrDeviceLinux();
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//! runs the device. Returns false if device wants to be deleted
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virtual bool run();
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//! Cause the device to temporarily pause execution and let other processes to run
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// This should bring down processor usage without major performance loss for Irrlicht
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virtual void yield();
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//! Pause execution and let other processes to run for a specified amount of time.
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virtual void sleep(u32 timeMs, bool pauseTimer);
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//! sets the caption of the window
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virtual void setWindowCaption(const wchar_t* text);
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//! returns if window is active. if not, nothing need to be drawn
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virtual bool isWindowActive();
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//! presents a surface in the client area
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virtual void present(video::IImage* surface, s32 windowId = 0, core::rect<s32>* src=0 );
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//! notifies the device that it should close itself
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virtual void closeDevice();
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//! \return Returns a pointer to a list with all video modes
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//! supported by the gfx adapter.
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video::IVideoModeList* getVideoModeList();
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//! Sets if the window should be resizeable in windowed mode.
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virtual void setResizeAble(bool resize=false);
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private:
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//! create the driver
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void createDriver(const core::dimension2d<s32>& windowSize,
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bool vsync);
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bool createWindow(const core::dimension2d<s32>& windowSize, u32 bits);
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void createKeyMap();
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//! Implementation of the linux cursor control
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class CCursorControl : public gui::ICursorControl
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{
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public:
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CCursorControl(CIrrDeviceLinux* dev, bool null)
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: Device(dev), IsVisible(true), Null(null), UseReferenceRect(false)
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{
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#ifdef _IRR_COMPILE_WITH_X11_
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if (!Null)
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{
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XGCValues values;
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unsigned long valuemask = 0;
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XColor fg, bg;
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// this code, for making the cursor invisible was sent in by
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// Sirshane, thank your very much!
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Pixmap invisBitmap = XCreatePixmap(Device->display, Device->window, 32, 32, 1);
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Pixmap maskBitmap = XCreatePixmap(Device->display, Device->window, 32, 32, 1);
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Colormap screen_colormap = DefaultColormap( Device->display, DefaultScreen( Device->display ) );
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XAllocNamedColor( Device->display, screen_colormap, "black", &fg, &fg );
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XAllocNamedColor( Device->display, screen_colormap, "white", &bg, &bg );
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GC gc = XCreateGC( Device->display, invisBitmap, valuemask, &values );
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XSetForeground( Device->display, gc, BlackPixel( Device->display, DefaultScreen( Device->display ) ) );
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XFillRectangle( Device->display, invisBitmap, gc, 0, 0, 32, 32 );
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XFillRectangle( Device->display, maskBitmap, gc, 0, 0, 32, 32 );
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invisCursor = XCreatePixmapCursor( Device->display, invisBitmap, maskBitmap, &fg, &bg, 1, 1 );
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XFreeGC(Device->display, gc);
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XFreePixmap(Device->display, invisBitmap);
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XFreePixmap(Device->display, maskBitmap);
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}
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#endif
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}
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//! Changes the visible state of the mouse cursor.
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virtual void setVisible(bool visible)
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{
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IsVisible = visible;
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#ifdef _IRR_COMPILE_WITH_X11_
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if (!Null)
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{
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if ( !IsVisible )
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XDefineCursor( Device->display, Device->window, invisCursor );
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else
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XUndefineCursor( Device->display, Device->window );
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}
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#endif
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}
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//! Returns if the cursor is currently visible.
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virtual bool isVisible()
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{
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return IsVisible;
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(const core::position2d<f32> &pos)
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{
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setPosition(pos.X, pos.Y);
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(f32 x, f32 y)
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{
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setPosition((s32)(x*Device->Width), (s32)(y*Device->Height));
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(const core::position2d<s32> &pos)
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{
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setPosition(pos.X, pos.Y);
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}
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//! Sets the new position of the cursor.
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virtual void setPosition(s32 x, s32 y)
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{
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#ifdef _IRR_COMPILE_WITH_X11_
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if (!Null)
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{
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if (UseReferenceRect)
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{
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XWarpPointer(Device->display,
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None,
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Device->window, 0, 0,
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Device->Width,
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Device->Height,
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ReferenceRect.UpperLeftCorner.X + x,
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ReferenceRect.UpperLeftCorner.Y + y);
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}
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else
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{
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XWarpPointer(Device->display,
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None,
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Device->window, 0, 0,
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Device->Width,
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Device->Height, x, y);
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}
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XFlush(Device->display);
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}
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#endif
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CursorPos.X = x;
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CursorPos.Y = y;
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}
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//! Returns the current position of the mouse cursor.
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virtual core::position2d<s32> getPosition()
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{
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updateCursorPos();
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return CursorPos;
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}
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//! Returns the current position of the mouse cursor.
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virtual core::position2d<f32> getRelativePosition()
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{
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updateCursorPos();
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if (!UseReferenceRect)
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{
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return core::position2d<f32>(CursorPos.X / (f32)Device->Width,
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CursorPos.Y / (f32)Device->Height);
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}
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return core::position2d<f32>(CursorPos.X / (f32)ReferenceRect.getWidth(),
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CursorPos.Y / (f32)ReferenceRect.getHeight());
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}
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virtual void setReferenceRect(core::rect<s32>* rect=0)
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{
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if (rect)
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{
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ReferenceRect = *rect;
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UseReferenceRect = true;
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// prevent division through zero and uneven sizes
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if (!ReferenceRect.getHeight() || ReferenceRect.getHeight()%2)
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ReferenceRect.LowerRightCorner.Y += 1;
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if (!ReferenceRect.getWidth() || ReferenceRect.getWidth()%2)
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ReferenceRect.LowerRightCorner.X += 1;
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}
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else
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UseReferenceRect = false;
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}
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private:
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void updateCursorPos()
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{
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#ifdef _IRR_COMPILE_WITH_X11_
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if (Null)
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return;
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Window tmp;
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int itmp1, itmp2;
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unsigned int maskreturn;
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XQueryPointer(Device->display, Device->window,
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&tmp, &tmp,
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&itmp1, &itmp2,
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&CursorPos.X, &CursorPos.Y, &maskreturn);
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if (CursorPos.X < 0)
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CursorPos.X = 0;
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if (CursorPos.X > (s32) Device->Width)
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CursorPos.X = Device->Width;
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if (CursorPos.Y < 0)
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CursorPos.Y = 0;
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if (CursorPos.Y > (s32) Device->Height)
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CursorPos.Y = Device->Height;
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#endif
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}
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core::position2d<s32> CursorPos;
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CIrrDeviceLinux* Device;
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bool IsVisible;
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bool Null;
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bool UseReferenceRect;
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core::rect<s32> ReferenceRect;
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#ifdef _IRR_COMPILE_WITH_X11_
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Cursor invisCursor;
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#endif
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};
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friend class CCursorControl;
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#ifdef _IRR_COMPILE_WITH_X11_
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Display *display;
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XVisualInfo* visual;
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int screennr;
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Window window;
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XSetWindowAttributes attributes;
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XSizeHints* StdHints;
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XEvent event;
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XImage* SoftwareImage;
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#ifdef _IRR_LINUX_X11_VIDMODE_
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XF86VidModeModeInfo oldVideoMode;
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#endif
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#ifdef _IRR_LINUX_X11_RANDR_
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SizeID oldRandrMode;
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Rotation oldRandrRotation;
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#endif
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#ifdef _IRR_COMPILE_WITH_OPENGL_
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GLXWindow glxWin;
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GLXContext Context;
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#endif
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#endif
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bool Fullscreen;
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bool StencilBuffer;
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bool AntiAlias;
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video::E_DRIVER_TYPE DriverType;
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u32 Width, Height, Depth;
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bool Close;
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bool WindowActive;
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bool WindowMinimized;
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bool UseXVidMode;
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bool UseXRandR;
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bool UseGLXWindow;
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int AutorepeatSupport;
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struct SKeyMap
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{
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SKeyMap() {}
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SKeyMap(s32 x11, s32 win32)
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: X11Key(x11), Win32Key(win32)
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{
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}
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KeySym X11Key;
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s32 Win32Key;
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bool operator<(const SKeyMap& o) const
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{
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return X11Key<o.X11Key;
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}
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};
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core::array<SKeyMap> KeyMap;
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};
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} // end namespace irr
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#endif // _IRR_USE_LINUX_DEVICE_
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#endif // __C_IRR_DEVICE_LINUX_H_INCLUDED__
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