viz1090/Input.cpp
nathan b8dd741165 fixed mapconvert issue that eliminated horizontal and vertical lines
Former-commit-id: 88370ea8c775bc7b7cc03aae6193776df6783061
2020-06-11 22:55:59 -07:00

141 lines
2.8 KiB
C++

#include "Input.h"
#include <chrono>
static uint64_t now() {
return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
}
static uint64_t elapsed(uint64_t ref) {
return now() - ref;
}
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;
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;
}