5c4b61a26e
We need to check numlock mask, because it may be different on different systems, and possibly also modified manually. It should generally work fine, but some testing are welcome.
467 lines
12 KiB
C++
467 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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#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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#define GLX_GLXEXT_PROTOTYPES
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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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#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();
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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() const;
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//! returns if window has focus.
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virtual bool isWindowFocused() const;
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//! returns if window is minimized.
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virtual bool isWindowMinimized() const;
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//! returns color format of the window.
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virtual video::ECOLOR_FORMAT getColorFormat() const;
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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 );
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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 resizable in windowed mode.
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virtual void setResizable(bool resize=false);
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//! Minimizes the window.
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virtual void minimizeWindow();
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//! Maximizes the window.
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virtual void maximizeWindow();
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//! Restores the window size.
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virtual void restoreWindow();
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//! Activate any joysticks, and generate events for them.
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virtual bool activateJoysticks(core::array<SJoystickInfo> & joystickInfo);
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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 );
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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 );
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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();
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//! Get the device type
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virtual E_DEVICE_TYPE getType() const
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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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bool restoreResolution();
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bool changeResolution();
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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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int getNumlockMask(Display* display);
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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)
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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->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() const
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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 const 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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//! Sets the active cursor icon
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virtual void setActiveIcon(gui::ECURSOR_ICON iconId);
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//! Gets the currently active icon
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virtual gui::ECURSOR_ICON getActiveIcon() const
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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);
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//! replace the given cursor icon.
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virtual void changeIcon(gui::ECURSOR_ICON iconId, const gui::SCursorSprite& icon);
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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;
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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) {PlatformBehavior = behavior; }
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//! Return platform specific behavior.
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virtual gui::ECURSOR_PLATFORM_BEHAVIOR getPlatformBehavior() const { 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->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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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 *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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XImage* SoftwareImage;
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XIM XInputMethod;
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XIC XInputContext;
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mutable core::stringc Clipboard;
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int numlock_mask;
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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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RROutput output_id;
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RRMode old_mode;
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int crtc_x;
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int crtc_y;
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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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u32 Width, Height;
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bool WindowHasFocus;
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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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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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