mirror of
https://git.code.sf.net/p/quake/quakeforge
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99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
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/*
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in_event.c
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input event handling
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Copyright (C) 2001 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2001/8/9
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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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
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include "QF/in_event.h"
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static int (**event_handler_list)(const IE_event_t*);
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static int eh_list_size;
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static int focus;
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void
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IE_Init (void)
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{
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eh_list_size = 8; // start with 8 slots. will grow dynamicly if needed
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event_handler_list = calloc (eh_list_size, sizeof (event_handler_list[0]));
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}
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void
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IE_Init_Cvars (void)
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{
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}
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int
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IE_Send_Event (const IE_event_t *event)
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{
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if (event_handler_list[focus])
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return event_handler_list[focus](event);
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return 0;
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}
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int
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IE_Add_Handler (int (*event_handler)(const IE_event_t*))
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{
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int i;
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while (1) {
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int (**t)(const IE_event_t*);
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for (i = 0; i < eh_list_size; i++) {
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if (!event_handler_list[i]) {
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event_handler_list[i] = event_handler;
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return i;
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}
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}
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if (!(t = realloc (event_handler_list, eh_list_size + 8)))
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return -1;
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event_handler_list = t;
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memset (event_handler_list + eh_list_size, 0,
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8 * sizeof (event_handler_list[0]));
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eh_list_size += 8;
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}
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}
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void
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IE_Remove_Handler (int handle)
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{
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if (handle >= 0 && handle < eh_list_size)
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event_handler_list[handle] = 0;
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}
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void
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IE_Set_Focus (int handle)
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{
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if (handle >= 0 && handle < eh_list_size && event_handler_list[handle])
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focus = eh_list_size;
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}
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