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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-16 11:28:14 +00:00
trezor-firmware/firmware/layout2.c
2014-11-27 17:23:04 +01:00

252 lines
6.9 KiB
C

/*
* This file is part of the TREZOR project.
*
* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <string.h>
#include "layout2.h"
#include "storage.h"
#include "oled.h"
#include "bitmaps.h"
#include "string.h"
#include "util.h"
#include "qr_encode.h"
void *layoutLast = layoutHome;
void layoutDialogSwipe(LayoutDialogIcon icon, const char *btnNo, const char *btnYes, const char *desc, const char *line1, const char *line2, const char *line3, const char *line4, const char *line5, const char *line6)
{
layoutLast = layoutDialogSwipe;
oledSwipeLeft();
layoutDialog(icon, btnNo, btnYes, desc, line1, line2, line3, line4, line5, line6);
}
void layoutProgressSwipe(const char *desc, int permil, int gearstep)
{
if (layoutLast == layoutProgressSwipe) {
oledClear();
} else {
layoutLast = layoutProgressSwipe;
oledSwipeLeft();
}
layoutProgress(desc, permil, gearstep);
}
void layoutHome(void)
{
if (layoutLast == layoutHome) {
oledClear();
} else {
layoutLast = layoutHome;
oledSwipeLeft();
}
const char *label = storage_getLabel();
if (label && strlen(label) > 0) {
oledDrawBitmap(44, 4, &bmp_logo48);
oledDrawStringCenter(OLED_HEIGHT - 8, label);
} else {
oledDrawBitmap(40, 0, &bmp_logo64);
}
oledRefresh();
}
const char *str_amount(uint64_t amnt, const char *abbr, char *buf, int len)
{
memset(buf, 0, len);
uint64_t a = amnt, b = 1;
int i;
for (i = 0; i < 8; i++) {
buf[16 - i] = '0' + (a / b) % 10;
b *= 10;
}
buf[8] = '.';
for (i = 0; i < 8; i++) {
buf[7 - i] = '0' + (a / b) % 10;
b *= 10;
}
i = 17;
while (i > 10 && buf[i - 1] == '0') { // drop trailing zeroes
i--;
}
if (abbr) {
buf[i] = ' ';
strlcpy(buf + i + 1, abbr, len - i - 1);
} else {
buf[i] = 0;
}
const char *r = buf;
while (*r == '0' && *(r + 1) != '.') r++; // drop leading zeroes
return r;
}
static char buf_out[32], buf_fee[32];
void layoutConfirmOutput(const CoinType *coin, const TxOutputType *out)
{
static char first_half[17 + 1];
strlcpy(first_half, out->address, sizeof(first_half));
const char *str_out = str_amount(out->amount, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_out, sizeof(buf_out));
layoutDialogSwipe(DIALOG_ICON_QUESTION,
"Cancel",
"Confirm",
NULL,
"Confirm sending",
str_out,
"to",
first_half,
out->address + 17,
NULL
);
}
void layoutConfirmTx(const CoinType *coin, uint64_t amount_out, uint64_t amount_fee)
{
const char *str_out = str_amount(amount_out, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_out, sizeof(buf_out));
const char *str_fee = str_amount(amount_fee, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_fee, sizeof(buf_fee));
layoutDialogSwipe(DIALOG_ICON_QUESTION,
"Cancel",
"Confirm",
NULL,
"Really send",
str_out,
"from your wallet?",
"Fee will be",
str_fee,
NULL
);
}
void layoutFeeOverThreshold(const CoinType *coin, uint64_t fee, uint32_t kb)
{
(void)kb;
const char *str_out = str_amount(fee, coin->has_coin_shortcut ? coin->coin_shortcut : NULL, buf_out, sizeof(buf_out));
layoutDialogSwipe(DIALOG_ICON_QUESTION,
"Cancel",
"Confirm",
NULL,
"Fee",
str_out,
"is unexpectedly high.",
NULL,
"Send anyway?",
NULL
);
}
// split longer string into 4 rows, rowlen chars each
const char **split_message(const uint8_t *msg, uint32_t len, uint32_t rowlen)
{
static char str[4][32 + 1];
if (rowlen > 32) {
rowlen = 32;
}
memset(str, 0, sizeof(str));
strlcpy(str[0], (char *)msg, rowlen + 1);
if (len > rowlen) {
strlcpy(str[1], (char *)msg + rowlen, rowlen + 1);
}
if (len > rowlen * 2) {
strlcpy(str[2], (char *)msg + rowlen * 2, rowlen + 1);
}
if (len > rowlen * 3) {
strlcpy(str[3], (char *)msg + rowlen * 3, rowlen + 1);
}
static const char *ret[4] = { str[0], str[1], str[2], str[3] };
return ret;
}
void layoutSignMessage(const uint8_t *msg, uint32_t len)
{
const char **str = split_message(msg, len, 16);
layoutDialogSwipe(DIALOG_ICON_QUESTION, "Cancel", "Confirm",
"Sign message?",
str[0], str[1], str[2], str[3], NULL, NULL);
}
void layoutVerifyMessage(const uint8_t *msg, uint32_t len)
{
const char **str = split_message(msg, len, 16);
layoutDialogSwipe(DIALOG_ICON_INFO, NULL, "OK",
"Verified message",
str[0], str[1], str[2], str[3], NULL, NULL);
}
void layoutCipherKeyValue(bool encrypt, const char *key)
{
const char **str = split_message((const uint8_t *)key, strlen(key), 16);
layoutDialogSwipe(DIALOG_ICON_QUESTION, "Cancel", "Confirm",
encrypt ? "Encode value of this key?" : "Decode value of this key?",
str[0], str[1], str[2], str[3], NULL, NULL);
}
void layoutEncryptMessage(const uint8_t *msg, uint32_t len, bool signing)
{
const char **str = split_message(msg, len, 16);
layoutDialogSwipe(DIALOG_ICON_QUESTION, "Cancel", "Confirm",
signing ? "Encrypt+Sign message?" : "Encrypt message?",
str[0], str[1], str[2], str[3], NULL, NULL);
}
void layoutDecryptMessage(const uint8_t *msg, uint32_t len, const char *address)
{
const char **str = split_message(msg, len, 16);
layoutDialogSwipe(DIALOG_ICON_INFO, NULL, "OK",
address ? "Decrypted signed message" : "Decrypted message",
str[0], str[1], str[2], str[3], NULL, NULL);
}
void layoutAddress(const char *address)
{
oledSwipeLeft();
layoutLast = layoutAddress;
static unsigned char bitdata[QR_MAX_BITDATA];
int a, i, j;
int side = qr_encode(QR_LEVEL_M, 0, address, 0, bitdata);
if (side > 0 && side <= 29) {
oledInvert(0, 0, (side + 2) * 2, (side + 2) * 2);
for (i = 0; i < side; i++) {
for (j = 0; j< side; j++) {
a = i * side + j;
if (bitdata[a / 8] & (1 << (7 - a % 8))) {
oledClearPixel(2 + i * 2, 2 + j * 2);
oledClearPixel(3 + i * 2, 2 + j * 2);
oledClearPixel(2 + i * 2, 3 + j * 2);
oledClearPixel(3 + i * 2, 3 + j * 2);
}
}
}
}
const char **str = split_message((const uint8_t *)address, strlen(address), 9);
oledDrawString(68, 0 * 9, str[0]);
oledDrawString(68, 1 * 9, str[1]);
oledDrawString(68, 2 * 9, str[2]);
oledDrawString(68, 3 * 9, str[3]);
static const char *btnYes = "Continue";
oledDrawString(OLED_WIDTH - fontCharWidth('}') - 1, OLED_HEIGHT - 8, "}");
oledDrawString(OLED_WIDTH - fontStringWidth(btnYes) - fontCharWidth('}') - 3, OLED_HEIGHT - 8, btnYes);
oledInvert(OLED_WIDTH - fontStringWidth(btnYes) - fontCharWidth('}') - 4, OLED_HEIGHT - 9, OLED_WIDTH - 1, OLED_HEIGHT - 1);
oledRefresh();
}