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/*
* LiberTI - TI-like calculator designed for LibreCalc
* Copyright (C) 2016 Delwink, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3 only.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "keys.h"
#include "tibchar.h"
static const SDL_Keycode UNCHANGED_RANGES[] =
{
SDLK_0, SDLK_9
};
static const SDL_Keycode UNCHANGED[] =
{
SDLK_PERIOD,
SDLK_MINUS,
SDLK_SLASH,
SDLK_e,
SDLK_i
};
int
normalize_keycode (SDL_Keycode code, SDL_Keymod mod)
{
if (mod & KMOD_CTRL)
{
switch (code)
{
case SDLK_a:
return TIB_CHAR_ANS;
case SDLK_e:
return TIB_CHAR_EPOW10;
case SDLK_p:
return TIB_CHAR_PI;
}
}
else if (mod & KMOD_SHIFT)
{
switch (code)
{
case SDLK_EQUALS:
return '+';
case SDLK_1:
return '!';
case SDLK_4:
return TIB_CHAR_STO;
case SDLK_6:
return '^';
case SDLK_8:
return '*';
case SDLK_9:
return '(';
case SDLK_0:
return ')';
}
}
else
{
switch (code)
{
case SDLK_KP_0:
return '0';
case SDLK_KP_PERIOD:
return '.';
case SDLK_KP_PLUS:
return '+';
case SDLK_KP_MINUS:
return '-';
case SDLK_KP_MULTIPLY:
return '*';
case SDLK_KP_DIVIDE:
return '/';
case SDLK_c:
return TIB_CHAR_COS;
case SDLK_s:
return TIB_CHAR_SIN;
case SDLK_t:
return TIB_CHAR_TAN;
}
}
for (unsigned int i = 0; i < (sizeof UNCHANGED_RANGES / sizeof (int)); ++i)
if (code >= UNCHANGED_RANGES[i++] && code <= UNCHANGED_RANGES[i])
return code;
for (unsigned int i = 0; i < (sizeof UNCHANGED / sizeof (int)); ++i)
if (code == UNCHANGED[i])
return code;
if (code >= SDLK_KP_1 && code <= SDLK_KP_9)
return code - SDLK_KP_1 + '1';
if (code >= SDLK_a && code <= SDLK_z)
return code - SDLK_a + 'A';
return 0;
}
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