mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-19 12:58:13 +00:00
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
|
|
* Copyright (c) Pavol Rusnak, SatoshiLabs
|
|
*
|
|
* Licensed under TREZOR License
|
|
* see LICENSE file for details
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#ifndef TREZOR_NOUI
|
|
#include <SDL2/SDL.h>
|
|
#endif
|
|
|
|
#include "options.h"
|
|
|
|
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_BORDER;
|
|
y = event.button.y - DISPLAY_BORDER;
|
|
if (x < 0 || y < 0 || x >= DISPLAY_RESX || y >= DISPLAY_RESY) break;
|
|
switch (event.type) {
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
return (0x00 << 24) | (0x01 << 16) | (x << 8) | y; // touch_start
|
|
break;
|
|
case SDL_MOUSEMOTION:
|
|
// remove other SDL_MOUSEMOTION events from queue
|
|
SDL_FlushEvent(SDL_MOUSEMOTION);
|
|
if (event.motion.state) {
|
|
return (0x00 << 24) | (0x02 << 16) | (x << 8) | y; // touch_move
|
|
}
|
|
break;
|
|
case SDL_MOUSEBUTTONUP:
|
|
return (0x00 << 24) | (0x04 << 16) | (x << 8) | y; // touch_end
|
|
break;
|
|
}
|
|
break;
|
|
case SDL_KEYUP:
|
|
if (event.key.keysym.sym == SDLK_ESCAPE) {
|
|
exit(3);
|
|
}
|
|
break;
|
|
case SDL_QUIT:
|
|
exit(3);
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|