mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-14 03:30:02 +00:00
115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <SDL2/SDL.h>
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#include <stdint.h>
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#include "touch.h"
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extern int sdl_display_res_x, sdl_display_res_y;
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extern int sdl_touch_offset_x, sdl_touch_offset_y;
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extern void __shutdown(void);
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extern const char *display_save(const char *prefix);
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uint32_t touch_read(void) {
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SDL_Event event;
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SDL_PumpEvents();
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if (SDL_PollEvent(&event) > 0) {
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switch (event.type) {
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#if TREZOR_MODEL == T
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEMOTION:
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case SDL_MOUSEBUTTONUP: {
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const int x = event.button.x - sdl_touch_offset_x;
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const int y = event.button.y - sdl_touch_offset_y;
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if (x < 0 || y < 0 || x >= sdl_display_res_x ||
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y >= sdl_display_res_y) {
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if (event.motion.state) {
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const int clamp_x =
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(x < 0)
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? 0
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: ((x >= sdl_display_res_x) ? sdl_display_res_x - 1 : x);
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const int clamp_y =
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(y < 0)
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? 0
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: ((y >= sdl_display_res_y) ? sdl_display_res_y - 1 : y);
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return TOUCH_END | touch_pack_xy(clamp_x, clamp_y);
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} else {
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break;
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}
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}
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switch (event.type) {
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case SDL_MOUSEBUTTONDOWN:
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return TOUCH_START | touch_pack_xy(x, y);
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case SDL_MOUSEMOTION:
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// remove other SDL_MOUSEMOTION events from queue
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SDL_FlushEvent(SDL_MOUSEMOTION);
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if (event.motion.state) {
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return TOUCH_MOVE | touch_pack_xy(x, y);
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}
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break;
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case SDL_MOUSEBUTTONUP:
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return TOUCH_END | touch_pack_xy(x, y);
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}
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break;
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}
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#endif
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#if TREZOR_MODEL == 1
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case SDL_KEYDOWN:
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if (event.key.repeat) {
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break;
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}
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switch (event.key.keysym.sym) {
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case SDLK_LEFT:
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return TOUCH_START | touch_pack_xy(0, sdl_display_res_y - 1);
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case SDLK_RIGHT:
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return TOUCH_START |
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touch_pack_xy(sdl_display_res_x - 1, sdl_display_res_y - 1);
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}
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break;
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#endif
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case SDL_KEYUP:
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if (event.key.repeat) {
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break;
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}
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switch (event.key.keysym.sym) {
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case SDLK_ESCAPE:
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__shutdown();
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break;
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case SDLK_p:
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display_save("emu");
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break;
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#if TREZOR_MODEL == 1
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case SDLK_LEFT:
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return TOUCH_END | touch_pack_xy(0, sdl_display_res_y - 1);
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case SDLK_RIGHT:
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return TOUCH_END |
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touch_pack_xy(sdl_display_res_x - 1, sdl_display_res_y - 1);
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#endif
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}
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break;
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case SDL_QUIT:
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__shutdown();
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break;
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}
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}
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return 0;
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}
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