mirror of
https://github.com/gnif/LookingGlass.git
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322 lines
8.3 KiB
C
322 lines
8.3 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2022 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdbool.h>
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#include <stdatomic.h>
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#include <linux/input.h>
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#include "dynamic/displayservers.h"
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#include "dynamic/renderers.h"
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#include "common/thread.h"
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#include "common/types.h"
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#include "common/ivshmem.h"
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#include "common/locking.h"
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#include "common/ringbuffer.h"
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#include "common/event.h"
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#include "common/ll.h"
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#include <purespice.h>
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#include <lgmp/client.h>
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#include "cimgui.h"
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enum RunState
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{
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APP_STATE_RUNNING,
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APP_STATE_RESTART,
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APP_STATE_SHUTDOWN
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};
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enum MicDefaultState {
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MIC_DEFAULT_PROMPT,
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MIC_DEFAULT_ALLOW,
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MIC_DEFAULT_DENY
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};
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struct AppState
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{
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enum RunState state;
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ImGuiIO * io;
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ImGuiStyle * style;
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struct ll * overlays;
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char * fontName;
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ImFont * fontLarge;
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ImVector_ImWchar fontRange;
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bool overlayInput;
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ImGuiMouseCursor cursorLast;
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char * imGuiIni;
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bool modCtrl;
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bool modShift;
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bool modAlt;
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bool modSuper;
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uint64_t lastImGuiFrame;
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bool renderImGuiTwice;
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struct LG_DisplayServerOps * ds;
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bool dsInitialized;
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bool jitRender;
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uint8_t spiceUUID[16];
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bool spiceReady;
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bool initialSpiceDisplay;
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uint8_t guestUUID[16];
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bool guestUUIDValid;
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KVMFROS guestOS;
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bool lgHostConnected;
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bool stopVideo;
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bool ignoreInput;
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bool escapeActive;
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uint64_t escapeTime;
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int escapeAction;
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bool escapeHelp;
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KeybindHandle bindings[KEY_MAX];
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const char * keyDescription[KEY_MAX];
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bool keyDown[KEY_MAX];
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bool haveSrcSize;
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struct Point windowPos;
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int windowW, windowH;
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int windowCX, windowCY;
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double windowScale;
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LG_RendererRotate rotate;
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bool focused;
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struct Border border;
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struct Point srcSize;
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LG_RendererRect dstRect;
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bool posInfoValid;
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bool alignToGuest;
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bool spiceClose;
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LG_Renderer * lgr;
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atomic_int lgrResize;
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LG_Lock lgrLock;
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bool useDMA;
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bool cbAvailable;
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PSDataType cbType;
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bool cbChunked;
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size_t cbXfer;
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struct ll * cbRequestList;
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struct IVSHMEM shm;
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PLGMPClient lgmp;
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PLGMPClientQueue pointerQueue;
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LG_Lock pointerQueueLock;
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KVMFRFeatureFlags kvmfrFeatures;
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LGThread * cursorThread;
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LGThread * frameThread;
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LGEvent * frameEvent;
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atomic_bool invalidateWindow;
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bool formatValid;
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uint64_t frameTime;
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uint64_t overlayFrameTime;
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uint64_t lastFrameTime;
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bool lastFrameTimeValid;
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uint64_t lastRenderTime;
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bool lastRenderTimeValid;
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RingBuffer renderTimings;
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RingBuffer renderDuration;
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RingBuffer uploadTimings;
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atomic_uint_least64_t pendingCount;
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atomic_uint_least64_t renderCount, frameCount;
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_Atomic(float) fps, ups;
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uint64_t resizeTimeout;
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bool resizeDone;
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bool autoIdleInhibitState;
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};
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struct AppParams
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{
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bool autoResize;
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bool allowResize;
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bool keepAspect;
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bool forceAspect;
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bool dontUpscale;
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bool intUpscale;
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bool shrinkOnUpscale;
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bool borderless;
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bool fullscreen;
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bool maximize;
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bool minimizeOnFocusLoss;
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bool center;
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int x, y;
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unsigned int w, h;
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int fpsMin;
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LG_RendererRotate winRotate;
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bool useSpice;
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bool useSpiceInput;
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bool useSpiceClipboard;
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bool useSpiceAudio;
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const char * spiceHost;
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unsigned int spicePort;
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bool clipboardToVM;
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bool clipboardToLocal;
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bool scaleMouseInput;
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bool hideMouse;
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bool ignoreQuit;
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bool noScreensaver;
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bool autoScreensaver;
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bool grabKeyboard;
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bool grabKeyboardOnFocus;
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int escapeKey;
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bool ignoreWindowsKeys;
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bool releaseKeysOnFocusLoss;
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bool showAlerts;
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bool captureOnStart;
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bool quickSplash;
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bool overlayDim;
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bool alwaysShowCursor;
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uint64_t helpMenuDelayUs;
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const char * uiFont;
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int uiSize;
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bool jitRender;
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unsigned int cursorPollInterval;
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unsigned int framePollInterval;
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bool allowDMA;
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bool forceRenderer;
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unsigned int forceRendererIndex;
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const char * windowTitle;
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bool mouseRedraw;
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int mouseSens;
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bool mouseSmoothing;
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bool rawMouse;
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bool autoCapture;
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bool captureInputOnly;
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bool showCursorDot;
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int audioPeriodSize;
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int audioBufferLatency;
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bool micShowIndicator;
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enum MicDefaultState micDefaultState;
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};
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struct CBRequest
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{
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PSDataType type;
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LG_ClipboardReplyFn replyFn;
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void * opaque;
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};
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struct KeybindHandle
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{
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int sc;
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KeybindFn callback;
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void * opaque;
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};
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enum WarpState
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{
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WARP_STATE_ON,
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WARP_STATE_OFF
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};
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struct CursorInfo
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{
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/* x & y postiion */
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int x , y;
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/* pointer hotspot offsets */
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int hx, hy;
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/* true if the pointer is visible on the guest */
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bool visible;
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/* true if the details in this struct are valid */
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bool valid;
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};
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struct CursorState
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{
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/* cursor is in grab mode */
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bool grab;
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/* true if we are to draw the cursor on screen */
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bool draw;
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/* true if the cursor is currently in our window */
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bool inWindow;
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/* true if the cursor is currently in the guest view area */
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bool inView;
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/* true if the guest should be realigned to the host when next drawn */
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bool realign;
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/* true if the guest is currently realigning to the host */
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bool realigning;
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/* true if the cursor needs re-drawing/updating */
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bool redraw;
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/* true if the cursor movements should be scaled */
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bool useScale;
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/* the amount to scale the X & Y movements by */
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struct DoublePoint scale;
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/* the error accumulator */
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struct DoublePoint acc;
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/* the local position */
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struct DoublePoint pos;
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/* true if the position is valid */
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bool valid;
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/* the button state */
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unsigned int buttons;
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/* the delta since last warp when in auto capture mode */
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struct DoublePoint delta;
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/* the scale factor for the mouse sensitiviy */
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int sens;
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/* the mouse warp state */
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enum WarpState warpState;
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/* the guest's cursor position */
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struct CursorInfo guest;
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/* the projected position after move, for app_handleMouseBasic only */
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struct Point projected;
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};
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// forwards
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extern struct AppState g_state;
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extern struct CursorState g_cursor;
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extern struct AppParams g_params;
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int main_cursorThread(void * unused);
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int main_frameThread(void * unused);
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#define RENDERER(fn, ...) g_state.lgr->ops.fn(g_state.lgr, ##__VA_ARGS__)
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