mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 08:50:58 +00:00
70812b3c49
This includes device add and remove events, and axis and buttons for evdev. Will need to sort out X11 input later, but next is getting qwaq responding.
99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
/*
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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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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include "QF/darray.h"
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#include "QF/in_event.h"
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typedef struct {
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ie_handler_t *handler;
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void *data;
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} ie_reghandler_t;
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static struct DARRAY_TYPE (ie_reghandler_t) ie_handlers = { .grow = 8, };
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static unsigned focus;
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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 (focus < ie_handlers.size && ie_handlers.a[focus].handler) {
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ie_reghandler_t *reg = &ie_handlers.a[focus];
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return reg->handler (event, reg->data);
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}
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return 0;
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}
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int
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IE_Add_Handler (ie_handler_t *event_handler, void *data)
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{
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size_t handle;
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ie_reghandler_t reg = { event_handler, data };
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for (handle = 0; handle < ie_handlers.size; handle++) {
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if (!ie_handlers.a[handle].handler) {
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ie_handlers.a[handle] = reg;
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return handle;
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}
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}
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DARRAY_APPEND (&ie_handlers, reg);
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return handle;
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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 ((size_t) (ssize_t) handle < ie_handlers.size) {
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ie_handlers.a[handle].handler = 0;
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}
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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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unsigned h = handle;
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if (h < ie_handlers.size && ie_handlers.a[handle].handler && focus != h) {
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IE_event_t event;
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event.type = ie_lose_focus;
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IE_Send_Event (&event);
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focus = handle;
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event.type = ie_gain_focus;
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IE_Send_Event (&event);
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}
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}
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