mirror of https://github.com/FreeRDP/FreeRDP
107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
/*
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* Copyright © 2015 David FORT <contact@hardening-consulting.com>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <wayland-util.h>
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#include <string.h>
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#include <uwac/uwac-tools.h>
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struct uwac_touch_automata
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{
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struct wl_array tp;
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};
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void UwacTouchAutomataInit(UwacTouchAutomata* automata)
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{
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wl_array_init(&automata->tp);
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}
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void UwacTouchAutomataReset(UwacTouchAutomata* automata)
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{
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automata->tp.size = 0;
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}
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bool UwacTouchAutomataInjectEvent(UwacTouchAutomata* automata, UwacEvent* event)
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{
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UwacTouchPoint* tp = NULL;
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switch (event->type)
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{
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case UWAC_EVENT_TOUCH_FRAME_BEGIN:
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break;
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case UWAC_EVENT_TOUCH_UP:
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{
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UwacTouchUp* touchUp = &event->touchUp;
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size_t toMove = automata->tp.size - sizeof(UwacTouchPoint);
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wl_array_for_each(tp, &automata->tp)
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{
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if ((int64_t)tp->id == touchUp->id)
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{
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if (toMove)
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memmove(tp, tp + 1, toMove);
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return true;
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}
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toMove -= sizeof(UwacTouchPoint);
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}
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break;
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}
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case UWAC_EVENT_TOUCH_DOWN:
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{
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UwacTouchDown* touchDown = &event->touchDown;
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wl_array_for_each(tp, &automata->tp)
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{
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if ((int64_t)tp->id == touchDown->id)
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{
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tp->x = touchDown->x;
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tp->y = touchDown->y;
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return true;
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}
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}
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tp = wl_array_add(&automata->tp, sizeof(UwacTouchPoint));
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if (!tp)
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return false;
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if (touchDown->id < 0)
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return false;
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tp->id = (uint32_t)touchDown->id;
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tp->x = touchDown->x;
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tp->y = touchDown->y;
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break;
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}
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case UWAC_EVENT_TOUCH_FRAME_END:
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break;
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default:
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break;
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}
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return true;
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}
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