forked from KolibriOS/kolibrios
365 lines
8.3 KiB
C
365 lines
8.3 KiB
C
/* PDCurses */
|
|
|
|
#include "pdcsdl.h"
|
|
|
|
#include <stdlib.h>
|
|
#ifndef PDC_WIDE
|
|
#include "../common/font437.h"
|
|
#endif
|
|
#include "../common/iconbmp.h"
|
|
|
|
#ifdef PDC_WIDE
|
|
# ifndef PDC_FONT_PATH
|
|
# define PDC_FONT_PATH "/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf"
|
|
# endif
|
|
TTF_Font *pdc_ttffont = NULL;
|
|
int pdc_font_size = 17;
|
|
#endif
|
|
|
|
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[PDC_MAXCOL];
|
|
Uint32 pdc_mapped[PDC_MAXCOL];
|
|
int pdc_fheight, pdc_fwidth, pdc_fthick, pdc_flastc;
|
|
bool pdc_own_screen;
|
|
|
|
static int max_height, max_width;
|
|
|
|
static void _clean(void)
|
|
{
|
|
#ifdef PDC_WIDE
|
|
if (pdc_ttffont)
|
|
{
|
|
TTF_CloseFont(pdc_ttffont);
|
|
TTF_Quit();
|
|
}
|
|
#endif
|
|
SDL_FreeSurface(pdc_tileback);
|
|
SDL_FreeSurface(pdc_back);
|
|
SDL_FreeSurface(pdc_icon);
|
|
SDL_FreeSurface(pdc_font);
|
|
|
|
SDL_Quit();
|
|
}
|
|
|
|
void PDC_retile(void)
|
|
{
|
|
if (pdc_tileback)
|
|
SDL_FreeSurface(pdc_tileback);
|
|
|
|
pdc_tileback = SDL_DisplayFormat(pdc_screen);
|
|
if (pdc_tileback == NULL)
|
|
return;
|
|
|
|
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)
|
|
{
|
|
}
|
|
|
|
static void _initialize_colors(void)
|
|
{
|
|
int i, r, g, b;
|
|
|
|
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;
|
|
}
|
|
|
|
/* 256-color xterm extended palette: 216 colors in a 6x6x6 color
|
|
cube, plus 24 shades of gray */
|
|
|
|
for (i = 16, r = 0; r < 6; r++)
|
|
for (g = 0; g < 6; g++)
|
|
for (b = 0; b < 6; b++, i++)
|
|
{
|
|
pdc_color[i].r = (r ? r * 40 + 55 : 0);
|
|
pdc_color[i].g = (g ? g * 40 + 55 : 0);
|
|
pdc_color[i].b = (b ? b * 40 + 55 : 0);
|
|
}
|
|
|
|
for (i = 232; i < 256; i++)
|
|
pdc_color[i].r = pdc_color[i].g = pdc_color[i].b = (i - 232) * 10 + 8;
|
|
|
|
for (i = 0; i < 256; i++)
|
|
pdc_mapped[i] = SDL_MapRGB(pdc_screen->format, pdc_color[i].r,
|
|
pdc_color[i].g, pdc_color[i].b);
|
|
}
|
|
|
|
/* open the physical screen -- miscellaneous initialization */
|
|
|
|
int PDC_scr_open(void)
|
|
{
|
|
PDC_LOG(("PDC_scr_open() - called\n"));
|
|
|
|
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(_clean);
|
|
}
|
|
|
|
#ifdef PDC_WIDE
|
|
if (!pdc_ttffont)
|
|
{
|
|
const char *ptsz, *fname;
|
|
|
|
if (TTF_Init() == -1)
|
|
{
|
|
fprintf(stderr, "Could not start SDL_TTF: %s\n", SDL_GetError());
|
|
return ERR;
|
|
}
|
|
|
|
ptsz = getenv("PDC_FONT_SIZE");
|
|
if (ptsz != NULL)
|
|
pdc_font_size = atoi(ptsz);
|
|
if (pdc_font_size <= 0)
|
|
pdc_font_size = 18;
|
|
|
|
fname = getenv("PDC_FONT");
|
|
pdc_ttffont = TTF_OpenFont(fname ? fname : PDC_FONT_PATH,
|
|
pdc_font_size);
|
|
}
|
|
|
|
if (!pdc_ttffont)
|
|
{
|
|
fprintf(stderr, "Could not load font\n");
|
|
return ERR;
|
|
}
|
|
|
|
TTF_SetFontKerning(pdc_ttffont, 0);
|
|
TTF_SetFontHinting(pdc_ttffont, TTF_HINTING_MONO);
|
|
|
|
SP->mono = FALSE;
|
|
#else
|
|
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(font437, sizeof(font437)), 0);
|
|
|
|
if (!pdc_font)
|
|
{
|
|
fprintf(stderr, "Could not load font\n");
|
|
return ERR;
|
|
}
|
|
|
|
SP->mono = !pdc_font->format->palette;
|
|
#endif
|
|
|
|
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;
|
|
|
|
#ifdef PDC_WIDE
|
|
TTF_SizeText(pdc_ttffont, "W", &pdc_fwidth, &pdc_fheight);
|
|
pdc_fthick = pdc_font_size / 20 + 1;
|
|
#else
|
|
pdc_fheight = pdc_font->h / 8;
|
|
pdc_fwidth = pdc_font->w / 32;
|
|
pdc_fthick = 1;
|
|
|
|
if (!SP->mono)
|
|
pdc_flastc = pdc_font->format->palette->ncolors - 1;
|
|
#endif
|
|
|
|
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(iconbmp,
|
|
sizeof(iconbmp)), 0);
|
|
|
|
if (pdc_icon)
|
|
SDL_WM_SetIcon(pdc_icon, NULL);
|
|
}
|
|
|
|
if (pdc_own_screen)
|
|
{
|
|
const SDL_VideoInfo *info = SDL_GetVideoInfo();
|
|
// max_height = info->current_h;
|
|
// max_width = info->current_w;
|
|
|
|
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();
|
|
|
|
_initialize_colors();
|
|
|
|
SDL_EnableUNICODE(1);
|
|
|
|
PDC_mouse_set();
|
|
|
|
if (pdc_own_screen)
|
|
PDC_set_title("PDCurses");
|
|
|
|
SP->mouse_wait = PDC_CLICK_PERIOD;
|
|
SP->audible = FALSE;
|
|
|
|
SP->termattrs = A_COLOR | A_UNDERLINE | A_LEFT | A_RIGHT | A_REVERSE;
|
|
#ifdef PDC_WIDE
|
|
SP->termattrs |= A_ITALIC;
|
|
#endif
|
|
|
|
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)
|
|
{
|
|
while (nlines * pdc_fheight > max_height)
|
|
nlines--;
|
|
pdc_sheight = nlines * pdc_fheight;
|
|
while (ncols * pdc_fwidth > max_width)
|
|
ncols--;
|
|
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();
|
|
|
|
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)
|
|
{
|
|
}
|
|
|
|
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);
|
|
|
|
return OK;
|
|
}
|