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110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2021 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _H_I_DISPLAYSERVER_
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#define _H_I_DISPLAYSERVER_
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#include <stdbool.h>
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#include <SDL2/SDL.h>
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#include <SDL2/SDL_syswm.h>
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typedef enum LG_ClipboardData
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{
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LG_CLIPBOARD_DATA_TEXT = 0,
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LG_CLIPBOARD_DATA_PNG,
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LG_CLIPBOARD_DATA_BMP,
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LG_CLIPBOARD_DATA_TIFF,
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LG_CLIPBOARD_DATA_JPEG,
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LG_CLIPBOARD_DATA_NONE // enum max, not a data type
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}
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LG_ClipboardData;
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typedef enum LG_DSProperty
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{
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/**
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* returns the maximum number of samples supported
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* if not implemented LG assumes no multisample support
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* return data type: int
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*/
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LG_DS_MAX_MULTISAMPLE,
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/**
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* returns if the platform is warp capable
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* if not implemented LG assumes that the platform is warp capable
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* return data type: bool
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*/
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LG_DS_WARP_SUPPORT,
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}
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LG_DSProperty;
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typedef void (* LG_ClipboardReplyFn)(void * opaque, const LG_ClipboardData type,
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uint8_t * data, uint32_t size);
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struct LG_DisplayServerOps
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{
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const SDL_SYSWM_TYPE subsystem;
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/* called before SDL has been initialized */
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bool (*earlyInit)(void);
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/* called after SDL has been initialized */
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bool (*init)(SDL_SysWMinfo * info);
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/* called at startup after window creation, renderer and/or SPICE is ready */
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void (*startup)();
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/* called just before final window destruction, before final free */
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void (*shutdown)();
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/* final free */
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void (*free)();
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/*
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* return a system specific property, returns false if unsupported or failure
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* if the platform does not support/implement the requested property the value
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* of `ret` must not be altered.
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*/
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bool (*getProp)(LG_DSProperty prop, void * ret);
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/* event filter, return true if the event has been handled */
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bool (*eventFilter)(SDL_Event * event);
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/* dm specific cursor implementations */
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void (*grabPointer)();
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void (*ungrabPointer)();
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void (*grabKeyboard)();
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void (*ungrabKeyboard)();
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/* exiting = true if the warp is to leave the window */
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void (*warpPointer)(int x, int y, bool exiting);
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/* called when the client needs to realign the pointer. This should simply
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* call the appropriate app_handleMouse* method for the platform with zero
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* deltas */
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void (*realignPointer)();
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/* clipboard support */
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bool (* cbInit)(void);
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void (* cbNotice)(LG_ClipboardData type);
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void (* cbRelease)(void);
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void (* cbRequest)(LG_ClipboardData type);
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};
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#endif
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