iw4x-client/deps/pdcurses/sdl2/pdcscrn.c
2024-03-07 05:13:50 -05:00

427 lines
9.8 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
# ifdef _WIN32
# define PDC_FONT_PATH "C:/Windows/Fonts/consola.ttf"
# elif defined(__APPLE__)
# define PDC_FONT_PATH "/System/Library/Fonts/Menlo.ttc"
# else
# define PDC_FONT_PATH "/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf"
# endif
# endif
TTF_Font *pdc_ttffont = NULL;
int pdc_font_size =
# ifdef _WIN32
16;
# else
17;
# endif
#endif
SDL_Window *pdc_window = NULL;
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_window;
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_DestroyWindow(pdc_window);
SDL_Quit();
}
void PDC_retile(void)
{
if (pdc_tileback)
SDL_FreeSurface(pdc_tileback);
pdc_tileback = SDL_ConvertSurface(pdc_screen, pdc_screen->format, 0);
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);
}
/* find the display where the mouse pointer is */
int _get_displaynum(void)
{
SDL_Rect size;
int i, xpos, ypos, displays;
displays = SDL_GetNumVideoDisplays();
if (displays > 1)
{
SDL_GetGlobalMouseState(&xpos, &ypos);
for (i = 0; i < displays; i++)
{
SDL_GetDisplayBounds(i, &size);
if (size.x <= xpos && xpos < size.x + size.w &&
size.y <= ypos && ypos < size.y + size.h)
return i;
}
}
return 0;
}
/* open the physical screen -- miscellaneous initialization */
int PDC_scr_open(void)
{
SDL_Event event;
int displaynum = 0;
PDC_LOG(("PDC_scr_open() - called\n"));
pdc_own_window = !pdc_window;
if (pdc_own_window)
{
if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS) < 0)
{
fprintf(stderr, "Could not start SDL: %s\n", SDL_GetError());
return ERR;
}
atexit(_clean);
displaynum = _get_displaynum();
}
#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_window))
{
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_window && !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_own_window)
{
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_window = SDL_CreateWindow("PDCurses",
SDL_WINDOWPOS_CENTERED_DISPLAY(displaynum),
SDL_WINDOWPOS_CENTERED_DISPLAY(displaynum),
pdc_swidth, pdc_sheight, SDL_WINDOW_RESIZABLE);
if (pdc_window == NULL)
{
fprintf(stderr, "Could not open SDL window: %s\n", SDL_GetError());
return ERR;
}
SDL_SetWindowIcon(pdc_window, pdc_icon);
}
/* Events must be pumped before calling SDL_GetWindowSurface, or
initial modifiers (e.g. numlock) will be ignored and out-of-sync. */
SDL_PumpEvents();
/* Wait until window is exposed before getting surface */
while (SDL_PollEvent(&event))
if (SDL_WINDOWEVENT == event.type &&
SDL_WINDOWEVENT_EXPOSED == event.window.event)
break;
if (!pdc_screen)
{
pdc_screen = SDL_GetWindowSurface(pdc_window);
if (!pdc_screen)
{
fprintf(stderr, "Could not open SDL window surface: %s\n",
SDL_GetError());
return ERR;
}
}
if (!pdc_sheight)
pdc_sheight = pdc_screen->h - pdc_yoffset;
if (!pdc_swidth)
pdc_swidth = pdc_screen->w - pdc_xoffset;
if (SP->orig_attr)
PDC_retile();
_initialize_colors();
SDL_StartTextInput();
PDC_mouse_set();
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_window)
return ERR;
if (nlines && ncols)
{
#if SDL_VERSION_ATLEAST(2, 0, 5)
SDL_Rect max;
int top, left, bottom, right;
SDL_GetDisplayUsableBounds(0, &max);
SDL_GetWindowBordersSize(pdc_window, &top, &left, &bottom, &right);
max.h -= top + bottom;
max.w -= left + right;
while (nlines * pdc_fheight > max.h)
nlines--;
while (ncols * pdc_fwidth > max.w)
ncols--;
#endif
pdc_sheight = nlines * pdc_fheight;
pdc_swidth = ncols * pdc_fwidth;
SDL_SetWindowSize(pdc_window, pdc_swidth, pdc_sheight);
pdc_screen = SDL_GetWindowSurface(pdc_window);
}
if (pdc_tileback)
PDC_retile();
return OK;
}
void PDC_reset_prog_mode(void)
{
PDC_LOG(("PDC_reset_prog_mode() - called.\n"));
PDC_flushinp();
}
void PDC_reset_shell_mode(void)
{
PDC_LOG(("PDC_reset_shell_mode() - called.\n"));
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;
}