365 lines
8.3 KiB
C
365 lines
8.3 KiB
C
/* PDCurses */
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#include "pdcsdl.h"
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#include <stdlib.h>
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#ifndef PDC_WIDE
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#include "../common/font437.h"
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#endif
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#include "../common/iconbmp.h"
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#ifdef PDC_WIDE
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# ifndef PDC_FONT_PATH
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# define PDC_FONT_PATH "/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf"
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# endif
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TTF_Font *pdc_ttffont = NULL;
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int pdc_font_size = 17;
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#endif
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SDL_Surface *pdc_screen = NULL, *pdc_font = NULL, *pdc_icon = NULL,
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*pdc_back = NULL, *pdc_tileback = NULL;
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int pdc_sheight = 0, pdc_swidth = 0, pdc_yoffset = 0, pdc_xoffset = 0;
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SDL_Color pdc_color[PDC_MAXCOL];
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Uint32 pdc_mapped[PDC_MAXCOL];
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int pdc_fheight, pdc_fwidth, pdc_fthick, pdc_flastc;
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bool pdc_own_screen;
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static int max_height, max_width;
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static void _clean(void)
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{
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#ifdef PDC_WIDE
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if (pdc_ttffont)
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{
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TTF_CloseFont(pdc_ttffont);
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TTF_Quit();
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}
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#endif
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SDL_FreeSurface(pdc_tileback);
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SDL_FreeSurface(pdc_back);
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SDL_FreeSurface(pdc_icon);
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SDL_FreeSurface(pdc_font);
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SDL_Quit();
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}
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void PDC_retile(void)
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{
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if (pdc_tileback)
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SDL_FreeSurface(pdc_tileback);
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pdc_tileback = SDL_DisplayFormat(pdc_screen);
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if (pdc_tileback == NULL)
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return;
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if (pdc_back)
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{
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SDL_Rect dest;
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dest.y = 0;
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while (dest.y < pdc_tileback->h)
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{
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dest.x = 0;
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while (dest.x < pdc_tileback->w)
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{
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SDL_BlitSurface(pdc_back, 0, pdc_tileback, &dest);
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dest.x += pdc_back->w;
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}
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dest.y += pdc_back->h;
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}
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SDL_BlitSurface(pdc_tileback, 0, pdc_screen, 0);
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}
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}
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void PDC_scr_close(void)
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{
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PDC_LOG(("PDC_scr_close() - called\n"));
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}
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void PDC_scr_free(void)
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{
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}
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static void _initialize_colors(void)
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{
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int i, r, g, b;
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for (i = 0; i < 8; i++)
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{
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pdc_color[i].r = (i & COLOR_RED) ? 0xc0 : 0;
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pdc_color[i].g = (i & COLOR_GREEN) ? 0xc0 : 0;
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pdc_color[i].b = (i & COLOR_BLUE) ? 0xc0 : 0;
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pdc_color[i + 8].r = (i & COLOR_RED) ? 0xff : 0x40;
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pdc_color[i + 8].g = (i & COLOR_GREEN) ? 0xff : 0x40;
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pdc_color[i + 8].b = (i & COLOR_BLUE) ? 0xff : 0x40;
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}
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/* 256-color xterm extended palette: 216 colors in a 6x6x6 color
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cube, plus 24 shades of gray */
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for (i = 16, r = 0; r < 6; r++)
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for (g = 0; g < 6; g++)
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for (b = 0; b < 6; b++, i++)
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{
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pdc_color[i].r = (r ? r * 40 + 55 : 0);
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pdc_color[i].g = (g ? g * 40 + 55 : 0);
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pdc_color[i].b = (b ? b * 40 + 55 : 0);
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}
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for (i = 232; i < 256; i++)
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pdc_color[i].r = pdc_color[i].g = pdc_color[i].b = (i - 232) * 10 + 8;
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for (i = 0; i < 256; i++)
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pdc_mapped[i] = SDL_MapRGB(pdc_screen->format, pdc_color[i].r,
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pdc_color[i].g, pdc_color[i].b);
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}
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/* open the physical screen -- miscellaneous initialization */
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int PDC_scr_open(void)
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{
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PDC_LOG(("PDC_scr_open() - called\n"));
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pdc_own_screen = !pdc_screen;
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if (pdc_own_screen)
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{
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if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER) < 0)
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{
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fprintf(stderr, "Could not start SDL: %s\n", SDL_GetError());
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return ERR;
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}
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atexit(_clean);
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}
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#ifdef PDC_WIDE
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if (!pdc_ttffont)
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{
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const char *ptsz, *fname;
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if (TTF_Init() == -1)
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{
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fprintf(stderr, "Could not start SDL_TTF: %s\n", SDL_GetError());
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return ERR;
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}
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ptsz = getenv("PDC_FONT_SIZE");
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if (ptsz != NULL)
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pdc_font_size = atoi(ptsz);
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if (pdc_font_size <= 0)
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pdc_font_size = 18;
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fname = getenv("PDC_FONT");
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pdc_ttffont = TTF_OpenFont(fname ? fname : PDC_FONT_PATH,
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pdc_font_size);
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}
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if (!pdc_ttffont)
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{
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fprintf(stderr, "Could not load font\n");
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return ERR;
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}
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TTF_SetFontKerning(pdc_ttffont, 0);
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TTF_SetFontHinting(pdc_ttffont, TTF_HINTING_MONO);
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SP->mono = FALSE;
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#else
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if (!pdc_font)
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{
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const char *fname = getenv("PDC_FONT");
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pdc_font = SDL_LoadBMP(fname ? fname : "pdcfont.bmp");
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}
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if (!pdc_font)
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pdc_font = SDL_LoadBMP_RW(SDL_RWFromMem(font437, sizeof(font437)), 0);
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if (!pdc_font)
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{
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fprintf(stderr, "Could not load font\n");
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return ERR;
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}
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SP->mono = !pdc_font->format->palette;
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#endif
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if (!SP->mono && !pdc_back)
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{
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const char *bname = getenv("PDC_BACKGROUND");
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pdc_back = SDL_LoadBMP(bname ? bname : "pdcback.bmp");
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}
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if (!SP->mono && (pdc_back || !pdc_own_screen))
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{
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SP->orig_attr = TRUE;
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SP->orig_fore = COLOR_WHITE;
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SP->orig_back = -1;
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}
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else
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SP->orig_attr = FALSE;
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#ifdef PDC_WIDE
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TTF_SizeText(pdc_ttffont, "W", &pdc_fwidth, &pdc_fheight);
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pdc_fthick = pdc_font_size / 20 + 1;
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#else
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pdc_fheight = pdc_font->h / 8;
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pdc_fwidth = pdc_font->w / 32;
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pdc_fthick = 1;
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if (!SP->mono)
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pdc_flastc = pdc_font->format->palette->ncolors - 1;
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#endif
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if (pdc_own_screen && !pdc_icon)
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{
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const char *iname = getenv("PDC_ICON");
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pdc_icon = SDL_LoadBMP(iname ? iname : "pdcicon.bmp");
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if (!pdc_icon)
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pdc_icon = SDL_LoadBMP_RW(SDL_RWFromMem(iconbmp,
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sizeof(iconbmp)), 0);
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if (pdc_icon)
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SDL_WM_SetIcon(pdc_icon, NULL);
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}
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if (pdc_own_screen)
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{
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const SDL_VideoInfo *info = SDL_GetVideoInfo();
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// max_height = info->current_h;
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// max_width = info->current_w;
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const char *env = getenv("PDC_LINES");
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pdc_sheight = (env ? atoi(env) : 25) * pdc_fheight;
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env = getenv("PDC_COLS");
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pdc_swidth = (env ? atoi(env) : 80) * pdc_fwidth;
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pdc_screen = SDL_SetVideoMode(pdc_swidth, pdc_sheight, 0,
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SDL_SWSURFACE|SDL_ANYFORMAT|SDL_RESIZABLE);
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}
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else
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{
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if (!pdc_sheight)
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pdc_sheight = pdc_screen->h - pdc_yoffset;
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if (!pdc_swidth)
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pdc_swidth = pdc_screen->w - pdc_xoffset;
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}
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if (!pdc_screen)
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{
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fprintf(stderr, "Couldn't create a surface: %s\n", SDL_GetError());
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return ERR;
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}
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if (SP->orig_attr)
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PDC_retile();
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_initialize_colors();
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SDL_EnableUNICODE(1);
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PDC_mouse_set();
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if (pdc_own_screen)
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PDC_set_title("PDCurses");
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SP->mouse_wait = PDC_CLICK_PERIOD;
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SP->audible = FALSE;
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SP->termattrs = A_COLOR | A_UNDERLINE | A_LEFT | A_RIGHT | A_REVERSE;
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#ifdef PDC_WIDE
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SP->termattrs |= A_ITALIC;
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#endif
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PDC_reset_prog_mode();
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return OK;
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}
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/* the core of resize_term() */
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int PDC_resize_screen(int nlines, int ncols)
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{
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if (!pdc_own_screen)
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return ERR;
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if (nlines && ncols)
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{
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while (nlines * pdc_fheight > max_height)
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nlines--;
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pdc_sheight = nlines * pdc_fheight;
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while (ncols * pdc_fwidth > max_width)
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ncols--;
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pdc_swidth = ncols * pdc_fwidth;
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}
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SDL_FreeSurface(pdc_screen);
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pdc_screen = SDL_SetVideoMode(pdc_swidth, pdc_sheight, 0,
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SDL_SWSURFACE|SDL_ANYFORMAT|SDL_RESIZABLE);
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if (pdc_tileback)
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PDC_retile();
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return OK;
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}
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void PDC_reset_prog_mode(void)
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{
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PDC_LOG(("PDC_reset_prog_mode() - called.\n"));
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PDC_flushinp();
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SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
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}
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void PDC_reset_shell_mode(void)
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{
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PDC_LOG(("PDC_reset_shell_mode() - called.\n"));
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SDL_EnableKeyRepeat(0, 0);
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PDC_flushinp();
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}
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void PDC_restore_screen_mode(int i)
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{
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}
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void PDC_save_screen_mode(int i)
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{
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}
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bool PDC_can_change_color(void)
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{
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return TRUE;
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}
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int PDC_color_content(short color, short *red, short *green, short *blue)
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{
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*red = DIVROUND(pdc_color[color].r * 1000, 255);
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*green = DIVROUND(pdc_color[color].g * 1000, 255);
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*blue = DIVROUND(pdc_color[color].b * 1000, 255);
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return OK;
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}
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int PDC_init_color(short color, short red, short green, short blue)
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{
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pdc_color[color].r = DIVROUND(red * 255, 1000);
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pdc_color[color].g = DIVROUND(green * 255, 1000);
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pdc_color[color].b = DIVROUND(blue * 255, 1000);
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pdc_mapped[color] = SDL_MapRGB(pdc_screen->format, pdc_color[color].r,
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pdc_color[color].g, pdc_color[color].b);
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return OK;
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}
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