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Copy irrlichtmt to <root>/irr/
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469
irr/src/CIrrDeviceLinux.h
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469
irr/src/CIrrDeviceLinux.h
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// 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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#pragma once
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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 "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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#include <X11/keysym.h>
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#ifdef _IRR_LINUX_X11_XINPUT2_
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#include <X11/extensions/XInput2.h>
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#endif
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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
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{
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public:
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//! constructor
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CIrrDeviceLinux(const SIrrlichtCreationParameters ¶m);
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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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bool run() 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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void yield() override;
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//! Pause execution and let other processes to run for a specified amount of time.
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void sleep(u32 timeMs, bool pauseTimer) override;
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//! sets the caption of the window
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void setWindowCaption(const wchar_t *text) override;
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//! Sets the window icon.
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bool setWindowIcon(const video::IImage *img) override;
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//! returns if window is active. if not, nothing need to be drawn
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bool isWindowActive() const override;
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//! returns if window has focus.
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bool isWindowFocused() const override;
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//! returns if window is minimized.
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bool isWindowMinimized() const override;
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//! returns last state from maximizeWindow() and restoreWindow()
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bool isWindowMaximized() const override;
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//! returns color format of the window.
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video::ECOLOR_FORMAT getColorFormat() const override;
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//! notifies the device that it should close itself
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void closeDevice() override;
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//! Sets if the window should be resizable in windowed mode.
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void setResizable(bool resize = false) override;
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//! Resize the render window.
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void setWindowSize(const irr::core::dimension2d<u32> &size) override;
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//! Minimizes the window.
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void minimizeWindow() override;
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//! Maximizes the window.
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void maximizeWindow() override;
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//! Restores the window size.
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void restoreWindow() override;
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//! Get the position of this window on screen
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core::position2di getWindowPosition() override;
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//! Activate any joysticks, and generate events for them.
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bool activateJoysticks(core::array<SJoystickInfo> &joystickInfo) override;
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//! gets text from the clipboard
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//! \return Returns 0 if no string is in there, otherwise utf-8 text.
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virtual const c8 *getTextFromClipboard() const;
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//! gets text from the primary selection
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//! \return Returns 0 if no string is in there, otherwise utf-8 text.
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virtual const c8 *getTextFromPrimarySelection() const;
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//! copies text to the clipboard
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//! This sets the clipboard selection and _not_ the primary selection.
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//! @param text The text in utf-8
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virtual void copyToClipboard(const c8 *text) const;
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//! copies text to the primary selection
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//! This sets the primary selection which you have on X on the middle mouse button.
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//! @param text The text in utf-8
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virtual void copyToPrimarySelection(const c8 *text) const;
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//! Remove all messages pending in the system message loop
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void clearSystemMessages() override;
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//! Get the device type
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E_DEVICE_TYPE getType() const override
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{
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return EIDT_X11;
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}
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//! Get the display density in dots per inch.
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float getDisplayDensity() const override;
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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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void setupTopLevelXorgWindow();
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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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const c8 *getTextFromSelection(Atom selection, core::stringc &text_buffer) const;
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bool becomeSelectionOwner(Atom selection) const;
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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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void setVisible(bool visible) 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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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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bool isVisible() const 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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void setPosition(const core::position2d<f32> &pos) 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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void setPosition(f32 x, f32 y) 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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void setPosition(const core::position2d<s32> &pos) 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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void setPosition(s32 x, s32 y) override
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{
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#ifdef _IRR_COMPILE_WITH_X11_
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if (!Null) {
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if (UseReferenceRect) {
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// NOTE: XIWarpPointer works when X11 has set a coordinate transformation matrix for the mouse unlike XWarpPointer
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// which runs into a bug mentioned here: https://gitlab.freedesktop.org/xorg/xserver/-/issues/600
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// So also workaround for Irrlicht bug #450
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#ifdef _IRR_LINUX_X11_XINPUT2_
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if (DeviceId != 0) {
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XIWarpPointer(Device->XDisplay,
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DeviceId,
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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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} else
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#endif
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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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#ifdef _IRR_LINUX_X11_XINPUT2_
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if (DeviceId != 0) {
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XIWarpPointer(Device->XDisplay,
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DeviceId,
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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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} else
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#endif
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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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}
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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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const core::position2d<s32> &getPosition(bool updateCursor) 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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core::position2d<f32> getRelativePosition(bool updateCursor) 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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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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void setReferenceRect(core::rect<s32> *rect = 0) override
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{
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if (rect) {
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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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} else
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UseReferenceRect = false;
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}
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//! Sets the active cursor icon
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void setActiveIcon(gui::ECURSOR_ICON iconId) override;
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//! Gets the currently active icon
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gui::ECURSOR_ICON getActiveIcon() const 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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gui::ECURSOR_ICON addIcon(const gui::SCursorSprite &icon) override;
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//! replace the given cursor icon.
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void changeIcon(gui::ECURSOR_ICON iconId, const gui::SCursorSprite &icon) 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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core::dimension2di getSupportedIconSize() const override;
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#ifdef _IRR_COMPILE_WITH_X11_
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//! Set platform specific behavior flags.
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void setPlatformBehavior(gui::ECURSOR_PLATFORM_BEHAVIOR behavior) override { PlatformBehavior = behavior; }
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//! Return platform specific behavior.
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gui::ECURSOR_PLATFORM_BEHAVIOR getPlatformBehavior() const 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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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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#ifdef _IRR_LINUX_X11_XINPUT2_
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int DeviceId;
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#endif
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struct CursorFrameX11
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{
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CursorFrameX11() :
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IconHW(0) {}
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CursorFrameX11(Cursor icon) :
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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) :
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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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XIM XInputMethod;
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XIC XInputContext;
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bool HasNetWM;
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// text is utf-8
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mutable core::stringc Clipboard;
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mutable core::stringc PrimarySelection;
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#endif
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#if defined(_IRR_LINUX_X11_XINPUT2_)
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int currentTouchedCount;
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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 WindowMaximized;
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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() :
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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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