diff options
Diffstat (limited to 'payloads/libpayload/curses/PDCurses-3.4/sdl1/pdcscrn.c')
| -rw-r--r-- | payloads/libpayload/curses/PDCurses-3.4/sdl1/pdcscrn.c | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses-3.4/sdl1/pdcscrn.c b/payloads/libpayload/curses/PDCurses-3.4/sdl1/pdcscrn.c new file mode 100644 index 0000000000..e422b25cee --- /dev/null +++ b/payloads/libpayload/curses/PDCurses-3.4/sdl1/pdcscrn.c @@ -0,0 +1,295 @@ +/* Public Domain Curses */ + +#include "pdcsdl.h" + +RCSID("$Id: pdcscrn.c,v 1.34 2008/07/14 04:24:52 wmcbrine Exp $") + +#include <stdlib.h> +#include "deffont.h" +#include "deficon.h" + +SDL_Surface *pdc_screen = NULL, *pdc_font = NULL, *pdc_icon = NULL, + *pdc_back = NULL, *pdc_tileback = NULL; +int pdc_sheight = 0, pdc_swidth = 0, pdc_yoffset = 0, pdc_xoffset = 0; + +SDL_Color pdc_color[16]; +Uint32 pdc_mapped[16]; +int pdc_fheight, pdc_fwidth, pdc_flastc; +bool pdc_own_screen; + +/* COLOR_PAIR to attribute encoding table. */ + +static struct {short f, b;} atrtab[PDC_COLOR_PAIRS]; + +void PDC_retile(void) +{ + if (pdc_tileback) + SDL_FreeSurface(pdc_tileback); + + pdc_tileback = SDL_DisplayFormat(pdc_screen); + + if (pdc_back) + { + SDL_Rect dest; + + dest.y = 0; + + while (dest.y < pdc_tileback->h) + { + dest.x = 0; + + while (dest.x < pdc_tileback->w) + { + SDL_BlitSurface(pdc_back, 0, pdc_tileback, &dest); + dest.x += pdc_back->w; + } + + dest.y += pdc_back->h; + } + + SDL_BlitSurface(pdc_tileback, 0, pdc_screen, 0); + } +} + +void PDC_scr_close(void) +{ + PDC_LOG(("PDC_scr_close() - called\n")); +} + +void PDC_scr_free(void) +{ + if (SP) + free(SP); +} + +/* open the physical screen -- allocate SP, miscellaneous intialization */ + +int PDC_scr_open(int argc, char **argv) +{ + int i; + + PDC_LOG(("PDC_scr_open() - called\n")); + + SP = calloc(1, sizeof(SCREEN)); + + if (!SP) + return ERR; + + pdc_own_screen = !pdc_screen; + + if (pdc_own_screen) + { + if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER) < 0) + { + fprintf(stderr, "Could not start SDL: %s\n", SDL_GetError()); + return ERR; + } + + atexit(SDL_Quit); + } + + if (!pdc_font) + { + const char *fname = getenv("PDC_FONT"); + pdc_font = SDL_LoadBMP(fname ? fname : "pdcfont.bmp"); + } + + if (!pdc_font) + pdc_font = SDL_LoadBMP_RW(SDL_RWFromMem(deffont, sizeof(deffont)), 0); + + if (!pdc_font) + { + fprintf(stderr, "Could not load font\n"); + return ERR; + } + + SP->mono = !pdc_font->format->palette; + + if (!SP->mono && !pdc_back) + { + const char *bname = getenv("PDC_BACKGROUND"); + pdc_back = SDL_LoadBMP(bname ? bname : "pdcback.bmp"); + } + + if (!SP->mono && (pdc_back || !pdc_own_screen)) + { + SP->orig_attr = TRUE; + SP->orig_fore = COLOR_WHITE; + SP->orig_back = -1; + } + else + SP->orig_attr = FALSE; + + pdc_fheight = pdc_font->h / 8; + pdc_fwidth = pdc_font->w / 32; + + if (!SP->mono) + pdc_flastc = pdc_font->format->palette->ncolors - 1; + + if (pdc_own_screen && !pdc_icon) + { + const char *iname = getenv("PDC_ICON"); + pdc_icon = SDL_LoadBMP(iname ? iname : "pdcicon.bmp"); + + if (!pdc_icon) + pdc_icon = SDL_LoadBMP_RW(SDL_RWFromMem(deficon, + sizeof(deficon)), 0); + + if (pdc_icon) + SDL_WM_SetIcon(pdc_icon, NULL); + } + + if (pdc_own_screen) + { + const char *env = getenv("PDC_LINES"); + pdc_sheight = (env ? atoi(env) : 25) * pdc_fheight; + + env = getenv("PDC_COLS"); + pdc_swidth = (env ? atoi(env) : 80) * pdc_fwidth; + + pdc_screen = SDL_SetVideoMode(pdc_swidth, pdc_sheight, 0, + SDL_SWSURFACE|SDL_ANYFORMAT|SDL_RESIZABLE); + } + else + { + if (!pdc_sheight) + pdc_sheight = pdc_screen->h - pdc_yoffset; + + if (!pdc_swidth) + pdc_swidth = pdc_screen->w - pdc_xoffset; + } + + if (!pdc_screen) + { + fprintf(stderr, "Couldn't create a surface: %s\n", SDL_GetError()); + return ERR; + } + + if (SP->orig_attr) + PDC_retile(); + + for (i = 0; i < 8; i++) + { + pdc_color[i].r = (i & COLOR_RED) ? 0xc0 : 0; + pdc_color[i].g = (i & COLOR_GREEN) ? 0xc0 : 0; + pdc_color[i].b = (i & COLOR_BLUE) ? 0xc0 : 0; + + pdc_color[i + 8].r = (i & COLOR_RED) ? 0xff : 0x40; + pdc_color[i + 8].g = (i & COLOR_GREEN) ? 0xff : 0x40; + pdc_color[i + 8].b = (i & COLOR_BLUE) ? 0xff : 0x40; + } + + for (i = 0; i < 16; i++) + pdc_mapped[i] = SDL_MapRGB(pdc_screen->format, pdc_color[i].r, + pdc_color[i].g, pdc_color[i].b); + + SDL_EnableUNICODE(1); + + PDC_mouse_set(); + + if (pdc_own_screen) + PDC_set_title(argc ? argv[0] : "PDCurses"); + + SP->lines = PDC_get_rows(); + SP->cols = PDC_get_columns(); + + SP->mouse_wait = PDC_CLICK_PERIOD; + SP->audible = FALSE; + + PDC_reset_prog_mode(); + + return OK; +} + +/* the core of resize_term() */ + +int PDC_resize_screen(int nlines, int ncols) +{ + if (!pdc_own_screen) + return ERR; + + if (nlines && ncols) + { + pdc_sheight = nlines * pdc_fheight; + pdc_swidth = ncols * pdc_fwidth; + } + + SDL_FreeSurface(pdc_screen); + + pdc_screen = SDL_SetVideoMode(pdc_swidth, pdc_sheight, 0, + SDL_SWSURFACE|SDL_ANYFORMAT|SDL_RESIZABLE); + + if (pdc_tileback) + PDC_retile(); + + SP->resized = FALSE; + SP->cursrow = SP->curscol = 0; + + return OK; +} + +void PDC_reset_prog_mode(void) +{ + PDC_LOG(("PDC_reset_prog_mode() - called.\n")); + + PDC_flushinp(); + SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); +} + +void PDC_reset_shell_mode(void) +{ + PDC_LOG(("PDC_reset_shell_mode() - called.\n")); + + SDL_EnableKeyRepeat(0, 0); + PDC_flushinp(); +} + +void PDC_restore_screen_mode(int i) +{ +} + +void PDC_save_screen_mode(int i) +{ +} + +void PDC_init_pair(short pair, short fg, short bg) +{ + atrtab[pair].f = fg; + atrtab[pair].b = bg; +} + +int PDC_pair_content(short pair, short *fg, short *bg) +{ + *fg = atrtab[pair].f; + *bg = atrtab[pair].b; + + return OK; +} + +bool PDC_can_change_color(void) +{ + return TRUE; +} + +int PDC_color_content(short color, short *red, short *green, short *blue) +{ + *red = DIVROUND(pdc_color[color].r * 1000, 255); + *green = DIVROUND(pdc_color[color].g * 1000, 255); + *blue = DIVROUND(pdc_color[color].b * 1000, 255); + + return OK; +} + +int PDC_init_color(short color, short red, short green, short blue) +{ + pdc_color[color].r = DIVROUND(red * 255, 1000); + pdc_color[color].g = DIVROUND(green * 255, 1000); + pdc_color[color].b = DIVROUND(blue * 255, 1000); + + pdc_mapped[color] = SDL_MapRGB(pdc_screen->format, pdc_color[color].r, + pdc_color[color].g, pdc_color[color].b); + + wrefresh(curscr); + + return OK; +} |