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// viz1090, a vizualizer for dump1090 ADSB output
//
// Copyright (C) 2020, Nathan Matsuda <info@nathanmatsuda.com>
// Copyright (C) 2014, Malcolm Robb <Support@ATTAvionics.com>
// Copyright (C) 2012, Salvatore Sanfilippo <antirez at gmail dot com>
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#include "Input.h"
static std::chrono::high_resolution_clock::time_point now() {
return std::chrono::high_resolution_clock::now();
}
// static uint64_t now() {
// return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now().time_since_epoch).count();
// }
static uint64_t elapsed(std::chrono::high_resolution_clock::time_point ref) {
return std::chrono::duration_cast<std::chrono::milliseconds>(now() - ref).count();
}
template <typename T> int sgn(T val) {
return (T(0) < val) - (val < T(0));
}
void Input::getInput()
{
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_QUIT:
exit(0);
break;
case SDL_KEYDOWN:
switch (event.key.keysym.sym)
{
case SDLK_ESCAPE:
exit(0);
break;
case SDLK_MINUS:
view->maxDist *= 1.0 + 0.5 * sgn(1);
if(view->maxDist < 0.001f) {
view->maxDist = 0.001f;
}
view->mapTargetMaxDist = 0;
view->mapMoved = 1;
break;
case SDLK_EQUALS:
view->maxDist *= 1.0 + 0.5 * sgn(-1);
if(view->maxDist < 0.001f) {
view->maxDist = 0.001f;
}
view->mapTargetMaxDist = 0;
view->mapMoved = 1;
break;
default:
break;
}
break;
case SDL_MOUSEWHEEL:
view->maxDist *= 1.0 + 0.5 * sgn(event.wheel.y);
if(view->maxDist < 0.001f) {
view->maxDist = 0.001f;
}
view->mapTargetMaxDist = 0;
view->mapMoved = 1;
break;
case SDL_MULTIGESTURE:
view->maxDist /=1.0 + 4.0*event.mgesture.dDist;
view->mapTargetMaxDist = 0;
view->mapMoved = 1;
if(elapsed(touchDownTime) > 100) {
//touchDownTime = 0;
}
break;
case SDL_FINGERMOTION:;
if(elapsed(touchDownTime) > 150) {
tapCount = 0;
//touchDownTime = 0;
}
view->moveCenterRelative( view->screen_width * event.tfinger.dx, view->screen_height * event.tfinger.dy);
break;
case SDL_FINGERDOWN:
if(elapsed(touchDownTime) > 500) {
tapCount = 0;
}
//this finger number is always 1 for down and 0 for up an rpi+hyperpixel??
if(SDL_GetNumTouchFingers(event.tfinger.touchId) <= 1) {
touchDownTime = now();
}
break;
case SDL_FINGERUP:
if(elapsed(touchDownTime) < 150 && SDL_GetNumTouchFingers(event.tfinger.touchId) == 0) {
touchx = view->screen_width * event.tfinger.x;
touchy = view->screen_height * event.tfinger.y;
tapCount++;
view->registerClick(tapCount, touchx, touchy);
} else {
touchx = 0;
touchy = 0;
tapCount = 0;
}
break;
case SDL_MOUSEBUTTONDOWN:
if(event.button.which != SDL_TOUCH_MOUSEID) {
if(elapsed(touchDownTime) > 500) {
tapCount = 0;
}
touchDownTime = now();
}
break;
case SDL_MOUSEBUTTONUP:;
if(event.button.which != SDL_TOUCH_MOUSEID) {
touchx = event.motion.x;
touchy = event.motion.y;
tapCount = event.button.clicks;
view->registerClick(tapCount, touchx, touchy);
}
break;
case SDL_MOUSEMOTION:;
if(event.motion.which != SDL_TOUCH_MOUSEID) {
view->registerMouseMove(event.motion.x, event.motion.y);
if (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(SDL_BUTTON_LEFT)) {
view->moveCenterRelative(event.motion.xrel, event.motion.yrel);
}
}
break;
}
}
}
Input::Input(AppData *appData, View *view) {
this->view = view;
this->appData = appData;
}
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