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https://github.com/minetest/irrlicht.git
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436 lines
12 KiB
C++
436 lines
12 KiB
C++
// Copyright (C) 2002-2012 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_COMPILE_WITH_X11_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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#include "os.h"
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#ifdef _IRR_COMPILE_WITH_X11_
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/cursorfont.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(const SIrrlichtCreationParameters& param);
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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() _IRR_OVERRIDE_;
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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() _IRR_OVERRIDE_;
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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) _IRR_OVERRIDE_;
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//! sets the caption of the window
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virtual void setWindowCaption(const wchar_t* text) _IRR_OVERRIDE_;
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//! returns if window is active. if not, nothing need to be drawn
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virtual bool isWindowActive() const _IRR_OVERRIDE_;
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//! returns if window has focus.
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virtual bool isWindowFocused() const _IRR_OVERRIDE_;
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//! returns if window is minimized.
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virtual bool isWindowMinimized() const _IRR_OVERRIDE_;
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//! returns color format of the window.
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virtual video::ECOLOR_FORMAT getColorFormat() const _IRR_OVERRIDE_;
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//! presents a surface in the client area
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virtual bool present(video::IImage* surface, void* windowId=0, core::rect<s32>* src=0 ) _IRR_OVERRIDE_;
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//! notifies the device that it should close itself
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virtual void closeDevice() _IRR_OVERRIDE_;
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//! Sets if the window should be resizable in windowed mode.
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virtual void setResizable(bool resize=false) _IRR_OVERRIDE_;
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//! Resize the render window.
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virtual void setWindowSize(const irr::core::dimension2d<u32>& size) _IRR_OVERRIDE_;
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//! Minimizes the window.
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virtual void minimizeWindow() _IRR_OVERRIDE_;
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//! Maximizes the window.
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virtual void maximizeWindow() _IRR_OVERRIDE_;
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//! Restores the window size.
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virtual void restoreWindow() _IRR_OVERRIDE_;
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//! Get the position of this window on screen
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virtual core::position2di getWindowPosition() _IRR_OVERRIDE_;
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//! Activate any joysticks, and generate events for them.
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virtual bool activateJoysticks(core::array<SJoystickInfo> & joystickInfo) _IRR_OVERRIDE_;
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//! Set the current Gamma Value for the Display
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virtual bool setGammaRamp( f32 red, f32 green, f32 blue, f32 brightness, f32 contrast ) _IRR_OVERRIDE_;
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//! Get the current Gamma Value for the Display
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virtual bool getGammaRamp( f32 &red, f32 &green, f32 &blue, f32 &brightness, f32 &contrast ) _IRR_OVERRIDE_;
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//! gets text from the clipboard
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//! \return Returns 0 if no string is in there.
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virtual const c8* getTextFromClipboard() const;
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//! copies text to the clipboard
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//! This sets the clipboard selection and _not_ the primary selection which you have on X on the middle mouse button.
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virtual void copyToClipboard(const c8* text) const;
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//! Remove all messages pending in the system message loop
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virtual void clearSystemMessages() _IRR_OVERRIDE_;
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//! Get the device type
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virtual E_DEVICE_TYPE getType() const _IRR_OVERRIDE_
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{
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return EIDT_X11;
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}
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#ifdef _IRR_COMPILE_WITH_X11_
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// convert an Irrlicht texture to a X11 cursor
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Cursor TextureToCursor(irr::video::ITexture * tex, const core::rect<s32>& sourceRect, const core::position2d<s32> &hotspot);
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Cursor TextureToMonochromeCursor(irr::video::ITexture * tex, const core::rect<s32>& sourceRect, const core::position2d<s32> &hotspot);
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#ifdef _IRR_LINUX_XCURSOR_
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Cursor TextureToARGBCursor(irr::video::ITexture * tex, const core::rect<s32>& sourceRect, const core::position2d<s32> &hotspot);
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#endif
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#endif
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private:
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//! create the driver
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void createDriver();
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bool createWindow();
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void createKeyMap();
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void pollJoysticks();
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void initXAtoms();
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void initXInput2();
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bool switchToFullscreen();
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#ifdef _IRR_COMPILE_WITH_X11_
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bool createInputContext();
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void destroyInputContext();
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EKEY_CODE getKeyCode(XEvent &event);
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#endif
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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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~CCursorControl();
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//! Changes the visible state of the mouse cursor.
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virtual void setVisible(bool visible) _IRR_OVERRIDE_
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{
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if (visible==IsVisible)
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return;
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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->XDisplay, Device->XWindow, InvisCursor );
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else
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XUndefineCursor( Device->XDisplay, Device->XWindow );
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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() const _IRR_OVERRIDE_
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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) _IRR_OVERRIDE_
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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) _IRR_OVERRIDE_
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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) _IRR_OVERRIDE_
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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) _IRR_OVERRIDE_
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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->XDisplay,
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None,
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Device->XWindow, 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->XDisplay,
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None,
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Device->XWindow, 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->XDisplay);
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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 const core::position2d<s32>& getPosition(bool updateCursor) _IRR_OVERRIDE_
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{
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if ( updateCursor )
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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(bool updateCursor) _IRR_OVERRIDE_
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{
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if ( updateCursor )
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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) _IRR_OVERRIDE_
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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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//! Sets the active cursor icon
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virtual void setActiveIcon(gui::ECURSOR_ICON iconId) _IRR_OVERRIDE_;
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//! Gets the currently active icon
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virtual gui::ECURSOR_ICON getActiveIcon() const _IRR_OVERRIDE_
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{
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return ActiveIcon;
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}
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//! Add a custom sprite as cursor icon.
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virtual gui::ECURSOR_ICON addIcon(const gui::SCursorSprite& icon) _IRR_OVERRIDE_;
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//! replace the given cursor icon.
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virtual void changeIcon(gui::ECURSOR_ICON iconId, const gui::SCursorSprite& icon) _IRR_OVERRIDE_;
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//! Return a system-specific size which is supported for cursors. Larger icons will fail, smaller icons might work.
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virtual core::dimension2di getSupportedIconSize() const _IRR_OVERRIDE_;
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#ifdef _IRR_COMPILE_WITH_X11_
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//! Set platform specific behavior flags.
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virtual void setPlatformBehavior(gui::ECURSOR_PLATFORM_BEHAVIOR behavior) _IRR_OVERRIDE_ {PlatformBehavior = behavior; }
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//! Return platform specific behavior.
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virtual gui::ECURSOR_PLATFORM_BEHAVIOR getPlatformBehavior() const _IRR_OVERRIDE_ { return PlatformBehavior; }
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void update();
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void clearCursors();
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#endif
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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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if ( PlatformBehavior&gui::ECPB_X11_CACHE_UPDATES && !os::Timer::isStopped() )
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{
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u32 now = os::Timer::getTime();
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if (now <= LastQuery)
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return;
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LastQuery = now;
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}
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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->XDisplay, Device->XWindow,
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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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#endif
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}
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CIrrDeviceLinux* Device;
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core::position2d<s32> CursorPos;
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core::rect<s32> ReferenceRect;
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#ifdef _IRR_COMPILE_WITH_X11_
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gui::ECURSOR_PLATFORM_BEHAVIOR PlatformBehavior;
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u32 LastQuery;
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Cursor InvisCursor;
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struct CursorFrameX11
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{
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CursorFrameX11() : IconHW(0) {}
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CursorFrameX11(Cursor icon) : IconHW(icon) {}
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Cursor IconHW; // hardware cursor
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};
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struct CursorX11
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{
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CursorX11() {}
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explicit CursorX11(Cursor iconHw, u32 frameTime=0) : FrameTime(frameTime)
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{
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Frames.push_back( CursorFrameX11(iconHw) );
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}
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core::array<CursorFrameX11> Frames;
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u32 FrameTime;
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};
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core::array<CursorX11> Cursors;
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void initCursors();
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#endif
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bool IsVisible;
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bool Null;
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bool UseReferenceRect;
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gui::ECURSOR_ICON ActiveIcon;
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u32 ActiveIconStartTime;
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};
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friend class CCursorControl;
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#ifdef _IRR_COMPILE_WITH_X11_
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friend class COpenGLDriver;
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Display *XDisplay;
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XVisualInfo* VisualInfo;
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int Screennr;
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Window XWindow;
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XSetWindowAttributes WndAttributes;
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XSizeHints* StdHints;
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XImage* SoftwareImage;
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XIM XInputMethod;
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XIC XInputContext;
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bool HasNetWM;
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mutable core::stringc Clipboard;
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#endif
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u32 Width, Height;
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bool WindowHasFocus;
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bool WindowMinimized;
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bool ExternalWindow;
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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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#if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)
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struct JoystickInfo
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{
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int fd;
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int axes;
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int buttons;
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SEvent persistentData;
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JoystickInfo() : fd(-1), axes(0), buttons(0) { }
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};
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core::array<JoystickInfo> ActiveJoysticks;
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#endif
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};
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_X11_DEVICE_
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#endif // __C_IRR_DEVICE_LINUX_H_INCLUDED__
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