This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_svgaevents.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* Handle the event stream, converting X11 events into SDL events */
#include <vga.h>
#include <vgamouse.h>
#include <vgakeyboard.h>
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#if defined(__LINUX__)
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#include <linux/kd.h>
#include <linux/keyboard.h>
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#elif defined(__FREEBSD__)
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#include <sys/kbio.h>
#else
#error You must choose your operating system here
#endif
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#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
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#include "SDL_svgavideo.h"
#include "SDL_svgaevents_c.h"
/* The translation tables from a console scancode to a SDL keysym */
#if defined(linux)
#define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT)
static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS];
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#elif defined(__FREEBSD__)
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/* FIXME: Free the keymap when we shut down the video mode */
static keymap_t *vga_keymap = NULL;
#else
#error You must choose your operating system here
#endif
static SDLKey keymap[128];
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static SDL_keysym *TranslateKey (int scancode, SDL_keysym * keysym);
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/* Ugh, we have to duplicate the kernel's keysym mapping code...
Oh, it's not so bad. :-)
FIXME: Add keyboard LED handling code
*/
#if defined(linux)
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int
SVGA_initkeymaps (int fd)
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struct kbentry entry;
int map, i;
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/* Load all the keysym mappings */
for (map = 0; map < NUM_VGAKEYMAPS; ++map) {
SDL_memset (vga_keymap[map], 0, NR_KEYS * sizeof (Uint16));
for (i = 0; i < NR_KEYS; ++i) {
entry.kb_table = map;
entry.kb_index = i;
if (ioctl (fd, KDGKBENT, &entry) == 0) {
/* The "Enter" key is a special case */
if (entry.kb_value == K_ENTER) {
entry.kb_value = K (KT_ASCII, 13);
}
/* Handle numpad specially as well */
if (KTYP (entry.kb_value) == KT_PAD) {
switch (entry.kb_value) {
case K_P0:
case K_P1:
case K_P2:
case K_P3:
case K_P4:
case K_P5:
case K_P6:
case K_P7:
case K_P8:
case K_P9:
vga_keymap[map][i] = entry.kb_value;
vga_keymap[map][i] += '0';
break;
case K_PPLUS:
vga_keymap[map][i] = K (KT_ASCII, '+');
break;
case K_PMINUS:
vga_keymap[map][i] = K (KT_ASCII, '-');
break;
case K_PSTAR:
vga_keymap[map][i] = K (KT_ASCII, '*');
break;
case K_PSLASH:
vga_keymap[map][i] = K (KT_ASCII, '/');
break;
case K_PENTER:
vga_keymap[map][i] = K (KT_ASCII, '\r');
break;
case K_PCOMMA:
vga_keymap[map][i] = K (KT_ASCII, ',');
break;
case K_PDOT:
vga_keymap[map][i] = K (KT_ASCII, '.');
break;
default:
break;
}
}
/* Do the normal key translation */
if ((KTYP (entry.kb_value) == KT_LATIN) ||
(KTYP (entry.kb_value) == KT_ASCII) ||
(KTYP (entry.kb_value) == KT_LETTER)) {
vga_keymap[map][i] = entry.kb_value;
}
}
}
}
return (0);
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}
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#elif defined(__FREEBSD__)
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int
SVGA_initkeymaps (int fd)
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{
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vga_keymap = SDL_malloc (sizeof (keymap_t));
if (!vga_keymap) {
SDL_OutOfMemory ();
return (-1);
}
if (ioctl (fd, GIO_KEYMAP, vga_keymap) == -1) {
SDL_free (vga_keymap);
vga_keymap = NULL;
SDL_SetError ("Unable to get keyboard map");
return (-1);
}
return (0);
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}
#else
#error You must choose your operating system here
#endif
int posted = 0;
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void
SVGA_mousecallback (int button, int dx, int dy,
int u1, int u2, int u3, int u4)
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{
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if (dx || dy) {
posted += SDL_PrivateMouseMotion (0, 1, dx, dy);
}
if (button & MOUSE_LEFTBUTTON) {
if (!(SDL_GetMouseState (NULL, NULL) & SDL_BUTTON (1))) {
posted += SDL_PrivateMouseButton (SDL_PRESSED, 1, 0, 0);
}
} else {
if ((SDL_GetMouseState (NULL, NULL) & SDL_BUTTON (1))) {
posted += SDL_PrivateMouseButton (SDL_RELEASED, 1, 0, 0);
}
}
if (button & MOUSE_MIDDLEBUTTON) {
if (!(SDL_GetMouseState (NULL, NULL) & SDL_BUTTON (2))) {
posted += SDL_PrivateMouseButton (SDL_PRESSED, 2, 0, 0);
}
} else {
if ((SDL_GetMouseState (NULL, NULL) & SDL_BUTTON (2))) {
posted += SDL_PrivateMouseButton (SDL_RELEASED, 2, 0, 0);
}
}
if (button & MOUSE_RIGHTBUTTON) {
if (!(SDL_GetMouseState (NULL, NULL) & SDL_BUTTON (3))) {
posted += SDL_PrivateMouseButton (SDL_PRESSED, 3, 0, 0);
}
} else {
if ((SDL_GetMouseState (NULL, NULL) & SDL_BUTTON (3))) {
posted += SDL_PrivateMouseButton (SDL_RELEASED, 3, 0, 0);
}
}
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}
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void
SVGA_keyboardcallback (int scancode, int pressed)
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{
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SDL_keysym keysym;
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if (pressed) {
posted += SDL_PrivateKeyboard (SDL_PRESSED,
TranslateKey (scancode, &keysym));
} else {
posted += SDL_PrivateKeyboard (SDL_RELEASED,
TranslateKey (scancode, &keysym));
}
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}
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void
SVGA_PumpEvents (_THIS)
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{
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do {
posted = 0;
mouse_update ();
keyboard_update ();
}
while (posted);
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}
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void
SVGA_InitOSKeymap (_THIS)
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{
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/* Initialize the BeOS key translation table */
for (i = 0; i < SDL_arraysize (keymap); ++i)
keymap[i] = SDLK_UNKNOWN;
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keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
keymap[SCANCODE_1] = SDLK_1;
keymap[SCANCODE_2] = SDLK_2;
keymap[SCANCODE_3] = SDLK_3;
keymap[SCANCODE_4] = SDLK_4;
keymap[SCANCODE_5] = SDLK_5;
keymap[SCANCODE_6] = SDLK_6;
keymap[SCANCODE_7] = SDLK_7;
keymap[SCANCODE_8] = SDLK_8;
keymap[SCANCODE_9] = SDLK_9;
keymap[SCANCODE_0] = SDLK_0;
keymap[SCANCODE_MINUS] = SDLK_MINUS;
keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
keymap[SCANCODE_TAB] = SDLK_TAB;
keymap[SCANCODE_Q] = SDLK_q;
keymap[SCANCODE_W] = SDLK_w;
keymap[SCANCODE_E] = SDLK_e;
keymap[SCANCODE_R] = SDLK_r;
keymap[SCANCODE_T] = SDLK_t;
keymap[SCANCODE_Y] = SDLK_y;
keymap[SCANCODE_U] = SDLK_u;
keymap[SCANCODE_I] = SDLK_i;
keymap[SCANCODE_O] = SDLK_o;
keymap[SCANCODE_P] = SDLK_p;
keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
keymap[SCANCODE_ENTER] = SDLK_RETURN;
keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
keymap[SCANCODE_A] = SDLK_a;
keymap[SCANCODE_S] = SDLK_s;
keymap[SCANCODE_D] = SDLK_d;
keymap[SCANCODE_F] = SDLK_f;
keymap[SCANCODE_G] = SDLK_g;
keymap[SCANCODE_H] = SDLK_h;
keymap[SCANCODE_J] = SDLK_j;
keymap[SCANCODE_K] = SDLK_k;
keymap[SCANCODE_L] = SDLK_l;
keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
keymap[SCANCODE_Z] = SDLK_z;
keymap[SCANCODE_X] = SDLK_x;
keymap[SCANCODE_C] = SDLK_c;
keymap[SCANCODE_V] = SDLK_v;
keymap[SCANCODE_B] = SDLK_b;
keymap[SCANCODE_N] = SDLK_n;
keymap[SCANCODE_M] = SDLK_m;
keymap[SCANCODE_COMMA] = SDLK_COMMA;
keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
keymap[SCANCODE_SLASH] = SDLK_SLASH;
keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
keymap[SCANCODE_LEFTALT] = SDLK_LALT;
keymap[SCANCODE_SPACE] = SDLK_SPACE;
keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
keymap[SCANCODE_F1] = SDLK_F1;
keymap[SCANCODE_F2] = SDLK_F2;
keymap[SCANCODE_F3] = SDLK_F3;
keymap[SCANCODE_F4] = SDLK_F4;
keymap[SCANCODE_F5] = SDLK_F5;
keymap[SCANCODE_F6] = SDLK_F6;
keymap[SCANCODE_F7] = SDLK_F7;
keymap[SCANCODE_F8] = SDLK_F8;
keymap[SCANCODE_F9] = SDLK_F9;
keymap[SCANCODE_F10] = SDLK_F10;
keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
keymap[SCANCODE_CURSORUP] = SDLK_KP8;
keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
keymap[SCANCODE_LESS] = SDLK_LESS;
keymap[SCANCODE_F11] = SDLK_F11;
keymap[SCANCODE_F12] = SDLK_F12;
keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
keymap[SCANCODE_BREAK] = SDLK_BREAK;
keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
keymap[SCANCODE_HOME] = SDLK_HOME;
keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
keymap[SCANCODE_END] = SDLK_END;
keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
keymap[SCANCODE_INSERT] = SDLK_INSERT;
keymap[SCANCODE_REMOVE] = SDLK_DELETE;
keymap[119] = SDLK_PAUSE;
keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
keymap[127] = SDLK_MENU;
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}
#if defined(linux)
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static SDL_keysym *
TranslateKey (int scancode, SDL_keysym * keysym)
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{
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/* Set the keysym information */
keysym->scancode = scancode;
keysym->sym = keymap[scancode];
keysym->mod = KMOD_NONE;
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/* If UNICODE is on, get the UNICODE value for the key */
keysym->unicode = 0;
if (SDL_TranslateUNICODE) {
int map;
SDLMod modstate;
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modstate = SDL_GetModState ();
map = 0;
if (modstate & KMOD_SHIFT) {
map |= (1 << KG_SHIFT);
}
if (modstate & KMOD_CTRL) {
map |= (1 << KG_CTRL);
}
if (modstate & KMOD_ALT) {
map |= (1 << KG_ALT);
}
if (modstate & KMOD_MODE) {
map |= (1 << KG_ALTGR);
}
if (KTYP (vga_keymap[map][scancode]) == KT_LETTER) {
if (modstate & KMOD_CAPS) {
map ^= (1 << KG_SHIFT);
}
}
if (KTYP (vga_keymap[map][scancode]) == KT_PAD) {
if (modstate & KMOD_NUM) {
keysym->unicode = KVAL (vga_keymap[map][scancode]);
}
} else {
keysym->unicode = KVAL (vga_keymap[map][scancode]);
}
}
return (keysym);
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}
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#elif defined(__FREEBSD__)
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static SDL_keysym *
TranslateKey (int scancode, SDL_keysym * keysym)
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{
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/* Set the keysym information */
keysym->scancode = scancode;
keysym->sym = keymap[scancode];
keysym->mod = KMOD_NONE;
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/* If UNICODE is on, get the UNICODE value for the key */
keysym->unicode = 0;
if (SDL_TranslateUNICODE && vga_keymap) {
int map;
SDLMod modstate;
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modstate = SDL_GetModState ();
map = 0;
if (modstate & KMOD_SHIFT) {
map += 1;
}
if (modstate & KMOD_CTRL) {
map += 2;
}
if (modstate & KMOD_ALT) {
map += 4;
}
if (!(vga_keymap->key[scancode].spcl & (0x80 >> map))) {
keysym->unicode = vga_keymap->key[scancode].map[map];
}
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}
return (keysym);
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}
#else
#error You must choose your operating system here
#endif
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/* vi: set ts=4 sw=4 expandtab: */