71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/*
|
|
* This file is part of the TREZOR project, https://trezor.io/
|
|
*
|
|
* Copyright (c) SatoshiLabs
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#ifndef TREZOR_NOUI
|
|
#include <SDL2/SDL.h>
|
|
#endif
|
|
|
|
#include "options.h"
|
|
#include "touch.h"
|
|
|
|
void __shutdown(void);
|
|
|
|
uint32_t touch_read(void)
|
|
{
|
|
#ifndef TREZOR_NOUI
|
|
SDL_Event event;
|
|
int x, y;
|
|
SDL_PumpEvents();
|
|
if (SDL_PollEvent(&event) > 0) {
|
|
switch (event.type) {
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
case SDL_MOUSEMOTION:
|
|
case SDL_MOUSEBUTTONUP:
|
|
x = event.button.x - DISPLAY_TOUCH_OFFSET_X;
|
|
y = event.button.y - DISPLAY_TOUCH_OFFSET_Y;
|
|
if (x < 0 || y < 0 || x >= DISPLAY_RESX || y >= DISPLAY_RESY) break;
|
|
switch (event.type) {
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
return TOUCH_START | touch_pack_xy(x, y);
|
|
case SDL_MOUSEMOTION:
|
|
// remove other SDL_MOUSEMOTION events from queue
|
|
SDL_FlushEvent(SDL_MOUSEMOTION);
|
|
if (event.motion.state) {
|
|
return TOUCH_MOVE | touch_pack_xy(x, y);
|
|
}
|
|
break;
|
|
case SDL_MOUSEBUTTONUP:
|
|
return TOUCH_END | touch_pack_xy(x, y);
|
|
}
|
|
break;
|
|
case SDL_KEYUP:
|
|
if (event.key.keysym.sym == SDLK_ESCAPE) {
|
|
__shutdown();
|
|
}
|
|
break;
|
|
case SDL_QUIT:
|
|
__shutdown();
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|