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8e99996321
This patch introduces a new backend that enables GLFW applications to run on Wayland. For now, only output is supported (windowed and fullscreen). Pointer cursor management, input devices, clipboard etc are not supported yet. There are some concepts that can not be supported, more specifically glfwSetWindowPos, glfwGetWindowPos and glfwSetCursorPos, as they are not supported by Wayland. This patch also changes the time and joystick implementations used by the X11 backend to be shared between the Wayland backend and the X11 backend.
276 lines
8.3 KiB
C
276 lines
8.3 KiB
C
//========================================================================
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// GLFW 3.1 X11 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#ifndef _x11_platform_h_
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#define _x11_platform_h_
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#include <unistd.h>
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#include <signal.h>
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#include <stdint.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include <X11/Xcursor/Xcursor.h>
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// The Xf86VidMode extension provides fallback gamma control
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#include <X11/extensions/xf86vmode.h>
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// The XRandR extension provides mode setting and gamma control
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#include <X11/extensions/Xrandr.h>
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// The XInput2 extension provides improved input events
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#include <X11/extensions/XInput2.h>
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// The Xkb extension provides improved keyboard support
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#include <X11/XKBlib.h>
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#include "posix_tls.h"
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#if defined(_GLFW_GLX)
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#define _GLFW_X11_CONTEXT_VISUAL window->glx.visual
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#include "glx_platform.h"
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#elif defined(_GLFW_EGL)
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#define _GLFW_X11_CONTEXT_VISUAL window->egl.visual
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#define _GLFW_EGL_NATIVE_WINDOW window->x11.handle
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#define _GLFW_EGL_NATIVE_DISPLAY _glfw.x11.display
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#include "egl_platform.h"
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#else
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#error "No supported context creation API selected"
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#endif
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#define _GLFW_UNIX_TIME_CONTEXT _glfw.x11.timer
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#include "unix_time.h"
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#define _GLFW_LINUX_JOYSTICK_CONTEXT _glfw.x11.joystick
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#include "linux_joystick.h"
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#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowX11 x11
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#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 x11
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#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorX11 x11
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#define _GLFW_PLATFORM_CURSOR_STATE _GLFWcursorX11 x11
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//========================================================================
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// GLFW platform specific types
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//========================================================================
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//------------------------------------------------------------------------
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// Platform-specific window structure
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//------------------------------------------------------------------------
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typedef struct _GLFWwindowX11
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{
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// Platform specific window resources
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Colormap colormap; // Window colormap
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Window handle; // Window handle
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// Various platform specific internal variables
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GLboolean overrideRedirect; // True if window is OverrideRedirect
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// Cached position and size used to filter out duplicate events
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int width, height;
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int xpos, ypos;
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// The last received cursor position, regardless of source
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double cursorPosX, cursorPosY;
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// The last position the cursor was warped to by GLFW
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int warpPosX, warpPosY;
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} _GLFWwindowX11;
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//------------------------------------------------------------------------
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// Platform-specific library global data for X11
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryX11
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{
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Display* display;
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int screen;
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Window root;
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// Invisible cursor for hidden cursor mode
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Cursor cursor;
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XContext context;
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// Window manager atoms
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Atom WM_PROTOCOLS;
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Atom WM_STATE;
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Atom WM_DELETE_WINDOW;
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Atom NET_WM_NAME;
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Atom NET_WM_ICON_NAME;
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Atom NET_WM_PID;
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Atom NET_WM_PING;
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Atom NET_WM_STATE;
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Atom NET_WM_STATE_FULLSCREEN;
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Atom NET_WM_BYPASS_COMPOSITOR;
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Atom NET_ACTIVE_WINDOW;
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Atom NET_FRAME_EXTENTS;
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Atom NET_REQUEST_FRAME_EXTENTS;
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Atom MOTIF_WM_HINTS;
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// Xdnd (drag and drop) atoms
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Atom XdndAware;
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Atom XdndEnter;
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Atom XdndPosition;
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Atom XdndStatus;
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Atom XdndActionCopy;
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Atom XdndDrop;
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Atom XdndLeave;
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Atom XdndFinished;
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Atom XdndSelection;
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// Selection (clipboard) atoms
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Atom TARGETS;
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Atom MULTIPLE;
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Atom CLIPBOARD;
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Atom CLIPBOARD_MANAGER;
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Atom SAVE_TARGETS;
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Atom _NULL;
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Atom UTF8_STRING;
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Atom COMPOUND_STRING;
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Atom ATOM_PAIR;
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Atom GLFW_SELECTION;
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// True if window manager supports EWMH
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GLboolean hasEWMH;
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// Error code received by the X error handler
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int errorCode;
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struct {
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GLboolean available;
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int eventBase;
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int errorBase;
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} vidmode;
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struct {
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GLboolean available;
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int eventBase;
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int errorBase;
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int versionMajor;
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int versionMinor;
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GLboolean gammaBroken;
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GLboolean monitorBroken;
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} randr;
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struct {
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int majorOpcode;
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int eventBase;
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int errorBase;
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int versionMajor;
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int versionMinor;
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} xkb;
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struct {
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GLboolean available;
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int majorOpcode;
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int eventBase;
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int errorBase;
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int versionMajor;
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int versionMinor;
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} xi;
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// LUT for mapping X11 key codes to GLFW key codes
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int keyCodeLUT[256];
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struct {
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int count;
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int timeout;
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int interval;
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int blanking;
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int exposure;
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} saver;
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_GLFWtimeUNIX timer;
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struct {
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char* string;
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} selection;
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struct {
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Window source;
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} xdnd;
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_GLFWjoystickLinux joystick;
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} _GLFWlibraryX11;
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//------------------------------------------------------------------------
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// Platform-specific monitor structure
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//------------------------------------------------------------------------
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typedef struct _GLFWmonitorX11
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{
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RROutput output;
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RRCrtc crtc;
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RRMode oldMode;
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} _GLFWmonitorX11;
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//------------------------------------------------------------------------
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// Platform-specific cursor structure
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//------------------------------------------------------------------------
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typedef struct _GLFWcursorX11
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{
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Cursor handle;
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} _GLFWcursorX11;
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//========================================================================
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// Prototypes for platform specific internal functions
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//========================================================================
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// Gamma
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void _glfwInitGammaRamp(void);
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// Fullscreen support
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GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired);
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void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
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// Unicode support
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long _glfwKeySym2Unicode(KeySym keysym);
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// Clipboard handling
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void _glfwHandleSelectionClear(XEvent* event);
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void _glfwHandleSelectionRequest(XEvent* event);
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void _glfwPushSelectionToManager(_GLFWwindow* window);
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// Window support
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_GLFWwindow* _glfwFindWindowByHandle(Window handle);
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unsigned long _glfwGetWindowProperty(Window window,
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Atom property,
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Atom type,
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unsigned char** value);
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// X11 error handler
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void _glfwGrabXErrorHandler(void);
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void _glfwReleaseXErrorHandler(void);
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void _glfwInputXError(int error, const char* message);
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#endif // _x11_platform_h_
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