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bad25c409c
Some platforms such as Wayland need to set environment vairables before SDL is initialized, as such this change detects the display server before SDL has started and calls the new `earlyInit` method providing the implementation an opportunity to set things up.
90 lines
2.5 KiB
C
90 lines
2.5 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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LG_DS_MAX_MULTISAMPLE // data type is `int`
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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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void (*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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/* return a system specific property, returns false if unsupported or failure */
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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 (*warpMouse)(int x, int y, bool exiting);
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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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