SDL_svgaevents.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:12k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 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
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_svgaevents.c,v 1.4 2002/04/22 21:38:05 wmay Exp $";
- #endif
- /* Handle the event stream, converting X11 events into SDL events */
- #include <stdio.h>
- #include <stdlib.h>
- #include <vga.h>
- #include <vgamouse.h>
- #include <vgakeyboard.h>
- #if defined(linux)
- #include <linux/kd.h>
- #include <linux/keyboard.h>
- #elif defined(__FreeBSD__)
- #include <sys/kbio.h>
- #else
- #error You must choose your operating system here
- #endif
- #include "SDL.h"
- #include "SDL_sysevents.h"
- #include "SDL_events_c.h"
- #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];
- #elif defined(__FreeBSD__)
- /* 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];
- static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
- /* 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)
- int SVGA_initkeymaps(int fd)
- {
- struct kbentry entry;
- int map, i;
- /* Load all the keysym mappings */
- for ( map=0; map<NUM_VGAKEYMAPS; ++map ) {
- 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);
- }
- #elif defined(__FreeBSD__)
- int SVGA_initkeymaps(int fd)
- {
- vga_keymap = malloc(sizeof(keymap_t));
- if ( ! vga_keymap ) {
- SDL_OutOfMemory();
- return(-1);
- }
- if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
- free(vga_keymap);
- vga_keymap = NULL;
- SDL_SetError("Unable to get keyboard map");
- return(-1);
- }
- return(0);
- }
- #else
- #error You must choose your operating system here
- #endif
- int posted = 0;
- void SVGA_mousecallback(int button, int dx, int dy,
- int u1,int u2,int u3, int u4)
- {
- 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);
- }
- }
- }
- void SVGA_keyboardcallback(int scancode, int pressed)
- {
- SDL_keysym keysym;
- if ( pressed ) {
- posted += SDL_PrivateKeyboard(SDL_PRESSED,
- TranslateKey(scancode, &keysym));
- } else {
- posted += SDL_PrivateKeyboard(SDL_RELEASED,
- TranslateKey(scancode, &keysym));
- }
- }
- void SVGA_PumpEvents(_THIS)
- {
- do {
- posted = 0;
- mouse_update();
- keyboard_update();
- } while ( posted );
- }
- void SVGA_InitOSKeymap(_THIS)
- {
- int i;
- /* Initialize the BeOS key translation table */
- for ( i=0; i<SDL_TABLESIZE(keymap); ++i )
- keymap[i] = SDLK_UNKNOWN;
- 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;
- }
- #if defined(linux)
- static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
- {
- /* Set the keysym information */
- keysym->scancode = scancode;
- keysym->sym = keymap[scancode];
- keysym->mod = KMOD_NONE;
- /* If UNICODE is on, get the UNICODE value for the key */
- keysym->unicode = 0;
- if ( SDL_TranslateUNICODE ) {
- int map;
- SDLMod modstate;
- 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);
- }
- #elif defined(__FreeBSD__)
- static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
- {
- /* Set the keysym information */
- keysym->scancode = scancode;
- keysym->sym = keymap[scancode];
- keysym->mod = KMOD_NONE;
- /* If UNICODE is on, get the UNICODE value for the key */
- keysym->unicode = 0;
- if ( SDL_TranslateUNICODE && vga_keymap ) {
- int map;
- SDLMod modstate;
- 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];
- }
- }
- return(keysym);
- }
- #else
- #error You must choose your operating system here
- #endif