/* * 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; }