sdl_gui.c

   1 /*
   2  * Copyright (C) 2003-2006 Andre Noll <maan@systemlinux.org>
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     This program is distributed in the hope that it will be useful,
  10  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *     GNU General Public License for more details.
  13  *
  14  *     You should have received a copy of the GNU General Public License
  15  *     along with this program; if not, write to the Free Software
  16  *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  17  */
  18
  19 /** \file sdl_gui.c SDL-based interface for paraslash */
  20
  21 #include "para.h"
  22 #include "string.h"
  23 #include "fd.h"
  24
  25
  26 #include <SDL/SDL.h>
  27 #include "SFont.h"
  28
  29 #include <SDL/SDL_image.h>
  30 #include <SDL/SDL_events.h>
  31 #include <SDL/SDL_keyboard.h>
  32 #include <SDL/SDL_keysym.h>
  33 #include <sys/time.h> /* timeval, needed for select */
  34
  35 #include "sdl_gui.cmdline.h"
  36
  37 #define FRAME_RED 100
  38 #define FRAME_GREEN 200
  39 #define FRAME_BLUE 200
  40
  41 SDL_Surface *screen;
  42 static int width = 0;
  43 static int height = 0;
  44
  45 extern const char *status_item_list[NUM_STAT_ITEMS];
  46 struct sdl_gui_args_info args_info;
  47
  48 #define FRAME_WIDTH 10
  49 #define FONT_HEIGHT 36
  50
  51 #define INPUT_WIDTH width - 2 * FRAME_WIDTH
  52 #define INPUT_X FRAME_WIDTH
  53 #define INPUT_HEIGHT (args_info.interactive_flag? FONT_HEIGHT : 0)
  54 #define INPUT_Y height - FRAME_WIDTH - INPUT_HEIGHT
  55
  56 #define OUTPUT_WIDTH width - 2 * FRAME_WIDTH
  57 #define OUTPUT_X FRAME_WIDTH
  58 #define OUTPUT_Y FRAME_WIDTH
  59 #define OUTPUT_HEIGHT (height - INPUT_HEIGHT - 2 * FRAME_WIDTH)
  60
  61 #define NUM_LINES (height - 2 * FRAME_WIDTH - INPUT_HEIGHT) / FONT_HEIGHT
  62
  63 #define M_YELLOW 0
  64 #define N_YELLOW 1
  65
  66 #define LEFT 1
  67 #define RIGHT 2
  68 #define CENTER 3
  69
  70
  71 struct stat_item{
  72         const char *name;
  73         const char *prefix;
  74         const char *postfix;
  75         char *content;
  76         unsigned x;
  77         unsigned y;
  78         unsigned w;
  79         unsigned h;
  80         Uint8 r;
  81         Uint8 g;
  82         Uint8 b;
  83         int font;
  84         int align;
  85 };
  86
  87 struct font {
  88         char name[MAXLINE];
  89         SFont_FontInfo fontinfo;
  90 };
  91
  92 struct font fonts[] = {
  93         {
  94                 .name = "24P_Arial_Metallic_Yellow.png",
  95                 .fontinfo = {NULL, {0}, 0}
  96         },
  97         {
  98                 .name = "24P_Arial_NeonYellow.png",
  99                 .fontinfo = {NULL, {0}, 0}
 100         },
 101         {
 102                 .name = "24P_Copperplate_Blue.png",
 103                 .fontinfo = {NULL, {0}, 0}
 104         },
 105         {
 106                 .name = "",
 107                 .fontinfo = {NULL, {0}, 0}
 108         }
 109 };
 110
 111
 112 #define PIC_WIDTH width * 3 / 10
 113 #define PIC_HEIGHT height / 3
 114
 115 #define INPUT_FONT 0
 116 #define OUTPUT_FONT 1
 117 #define MSG_FONT 2
 118
 119
 120 static struct stat_item stat_items[NUM_STAT_ITEMS];
 121
 122 void para_log(__a_unused int ll, __a_unused const char* fmt,...) /* no logging */
 123 {
 124 }
 125
 126 static void init_stat_items(void)
 127 {
 128         int i;
 129         struct stat_item *s = stat_items;
 130
 131         for (i = 0; i < NUM_STAT_ITEMS; i++) {
 132                 s[i].w = 0;
 133                 s[i].content = NULL;
 134         }
 135
 136
 137         s[SI_STATUS_BAR].prefix = "";
 138         s[SI_STATUS_BAR].postfix = "";
 139         s[SI_STATUS_BAR].x = 0;
 140         s[SI_STATUS_BAR].y = 10;
 141         s[SI_STATUS_BAR].w = 100;
 142         s[SI_STATUS_BAR].h = FONT_HEIGHT;
 143         s[SI_STATUS_BAR].r = 0;
 144         s[SI_STATUS_BAR].g = 0;
 145         s[SI_STATUS_BAR].b = 0;
 146         s[SI_STATUS_BAR].font = M_YELLOW;
 147         s[SI_STATUS_BAR].align = CENTER;
 148
 149         s[SI_PLAY_TIME].prefix = "";
 150         s[SI_PLAY_TIME].postfix = "";
 151         s[SI_PLAY_TIME].x = 35;
 152         s[SI_PLAY_TIME].y = 20;
 153         s[SI_PLAY_TIME].w = 65;
 154         s[SI_PLAY_TIME].h = FONT_HEIGHT;
 155         s[SI_PLAY_TIME].r = 0;
 156         s[SI_PLAY_TIME].g = 0;
 157         s[SI_PLAY_TIME].b = 0;
 158         s[SI_PLAY_TIME].font = M_YELLOW;
 159         s[SI_PLAY_TIME].align = CENTER;
 160
 161         s[SI_STATUS].prefix = "";
 162         s[SI_STATUS].postfix = "";
 163         s[SI_STATUS].x = 35;
 164         s[SI_STATUS].y = 28;
 165         s[SI_STATUS].w = 12;
 166         s[SI_STATUS].h = FONT_HEIGHT;
 167         s[SI_STATUS].r = 0;
 168         s[SI_STATUS].g = 0;
 169         s[SI_STATUS].b = 0;
 170         s[SI_STATUS].font = N_YELLOW;
 171         s[SI_STATUS].align = LEFT;
 172
 173         s[SI_STATUS_FLAGS].prefix = " (";
 174         s[SI_STATUS_FLAGS].postfix = ")";
 175         s[SI_STATUS_FLAGS].x = 47;
 176         s[SI_STATUS_FLAGS].y = 28;
 177         s[SI_STATUS_FLAGS].w = 15;
 178         s[SI_STATUS_FLAGS].h = FONT_HEIGHT;
 179         s[SI_STATUS_FLAGS].r = 0;
 180         s[SI_STATUS_FLAGS].g = 0;
 181         s[SI_STATUS_FLAGS].b = 0;
 182         s[SI_STATUS_FLAGS].font = N_YELLOW;
 183         s[SI_STATUS_FLAGS].align = CENTER;
 184
 185         s[SI_NUM_PLAYED].prefix = "#";
 186         s[SI_NUM_PLAYED].postfix = "";
 187         s[SI_NUM_PLAYED].x = 62;
 188         s[SI_NUM_PLAYED].y = 28;
 189         s[SI_NUM_PLAYED].w = 13;
 190         s[SI_NUM_PLAYED].h = FONT_HEIGHT;
 191         s[SI_NUM_PLAYED].r = 0;
 192         s[SI_NUM_PLAYED].g = 0;
 193         s[SI_NUM_PLAYED].b = 0;
 194         s[SI_NUM_PLAYED].font = N_YELLOW;
 195         s[SI_NUM_PLAYED].align = CENTER;
 196
 197         s[SI_UPTIME].prefix = "Up: ";
 198         s[SI_UPTIME].postfix = "";
 199         s[SI_UPTIME].x = 75;
 200         s[SI_UPTIME].y = 28;
 201         s[SI_UPTIME].w = 25;
 202         s[SI_UPTIME].h = FONT_HEIGHT;
 203         s[SI_UPTIME].r = 0;
 204         s[SI_UPTIME].g = 0;
 205         s[SI_UPTIME].b = 0;
 206         s[SI_UPTIME].font = N_YELLOW;
 207         s[SI_UPTIME].align = RIGHT;
 208
 209         s[SI_SELECTOR].prefix = "selector: ";
 210         s[SI_SELECTOR].postfix = "";
 211         s[SI_SELECTOR].x = 35;
 212         s[SI_SELECTOR].y = 48;
 213         s[SI_SELECTOR].w = 35;
 214         s[SI_SELECTOR].h = FONT_HEIGHT;
 215         s[SI_SELECTOR].r = 0;
 216         s[SI_SELECTOR].g = 0;
 217         s[SI_SELECTOR].b = 0;
 218         s[SI_SELECTOR].font = N_YELLOW;
 219         s[SI_SELECTOR].align = LEFT;
 220
 221         s[SI_FORMAT].prefix = "Format: ";
 222         s[SI_FORMAT].postfix = "";
 223         s[SI_FORMAT].x = 70;
 224         s[SI_FORMAT].y = 48;
 225         s[SI_FORMAT].w = 30;
 226         s[SI_FORMAT].h = FONT_HEIGHT;
 227         s[SI_FORMAT].r = 0;
 228         s[SI_FORMAT].g = 0;
 229         s[SI_FORMAT].b = 0;
 230         s[SI_FORMAT].font = N_YELLOW;
 231         s[SI_FORMAT].align = RIGHT;
 232
 233         s[SI_MTIME].prefix = "MTime: ";
 234         s[SI_MTIME].postfix = "";
 235         s[SI_MTIME].x = 35;
 236         s[SI_MTIME].y = 35;
 237         s[SI_MTIME].w = 65;
 238         s[SI_MTIME].h = FONT_HEIGHT;
 239         s[SI_MTIME].r = 0;
 240         s[SI_MTIME].g = 0;
 241         s[SI_MTIME].b = 0;
 242         s[SI_MTIME].font = N_YELLOW;
 243         s[SI_MTIME].align = LEFT;
 244
 245         s[SI_FILE_SIZE].prefix = "Size: ";
 246         s[SI_FILE_SIZE].postfix = "kb";
 247         s[SI_FILE_SIZE].x = 35;
 248         s[SI_FILE_SIZE].y = 42;
 249         s[SI_FILE_SIZE].w = 20;
 250         s[SI_FILE_SIZE].h = FONT_HEIGHT;
 251         s[SI_FILE_SIZE].r = 0;
 252         s[SI_FILE_SIZE].g = 0;
 253         s[SI_FILE_SIZE].b = 0;
 254         s[SI_FILE_SIZE].font = N_YELLOW;
 255         s[SI_FILE_SIZE].align = LEFT;
 256
 257         s[SI_AUDIO_INFO1].prefix = "";
 258         s[SI_AUDIO_INFO1].postfix = "";
 259         s[SI_AUDIO_INFO1].x = 0;
 260         s[SI_AUDIO_INFO1].y = 60;
 261         s[SI_AUDIO_INFO1].w = 100;
 262         s[SI_AUDIO_INFO1].h = FONT_HEIGHT;
 263         s[SI_AUDIO_INFO1].r = 0;
 264         s[SI_AUDIO_INFO1].g = 0;
 265         s[SI_AUDIO_INFO1].b = 0;
 266         s[SI_AUDIO_INFO1].font = N_YELLOW;
 267         s[SI_AUDIO_INFO1].align = CENTER;
 268
 269         s[SI_AUDIO_INFO2].prefix = "";
 270         s[SI_AUDIO_INFO2].postfix = "";
 271         s[SI_AUDIO_INFO2].x = 0;
 272         s[SI_AUDIO_INFO2].y = 65;
 273         s[SI_AUDIO_INFO2].w = 100;
 274         s[SI_AUDIO_INFO2].h = FONT_HEIGHT;
 275         s[SI_AUDIO_INFO2].r = 0;
 276         s[SI_AUDIO_INFO2].g = 0;
 277         s[SI_AUDIO_INFO2].b = 0;
 278         s[SI_AUDIO_INFO2].font = N_YELLOW;
 279         s[SI_AUDIO_INFO2].align = CENTER;
 280
 281         s[SI_AUDIO_INFO3].prefix = "";
 282         s[SI_AUDIO_INFO3].postfix = "";
 283         s[SI_AUDIO_INFO3].x = 0;
 284         s[SI_AUDIO_INFO3].y = 70;
 285         s[SI_AUDIO_INFO3].w = 100;
 286         s[SI_AUDIO_INFO3].h = FONT_HEIGHT;
 287         s[SI_AUDIO_INFO3].r = 0;
 288         s[SI_AUDIO_INFO3].g = 0;
 289         s[SI_AUDIO_INFO3].b = 0;
 290         s[SI_AUDIO_INFO3].font = N_YELLOW;
 291         s[SI_AUDIO_INFO3].align = CENTER;
 292
 293         s[SI_DBINFO1].name = "dbinfo1:";
 294         s[SI_DBINFO1].prefix = "";
 295         s[SI_DBINFO1].postfix = "";
 296         s[SI_DBINFO1].x = 0;
 297         s[SI_DBINFO1].y = 83;
 298         s[SI_DBINFO1].w = 100;
 299         s[SI_DBINFO1].h = FONT_HEIGHT;
 300         s[SI_DBINFO1].r = 0;
 301         s[SI_DBINFO1].g = 0;
 302         s[SI_DBINFO1].b = 0;
 303         s[SI_DBINFO1].font = N_YELLOW;
 304         s[SI_DBINFO1].align = CENTER;
 305
 306         s[SI_DBINFO2].prefix = "";
 307         s[SI_DBINFO2].postfix = "";
 308         s[SI_DBINFO2].x = 0;
 309         s[SI_DBINFO2].y = 88;
 310         s[SI_DBINFO2].w = 100;
 311         s[SI_DBINFO2].h = FONT_HEIGHT;
 312         s[SI_DBINFO2].r = 0;
 313         s[SI_DBINFO2].g = 0;
 314         s[SI_DBINFO2].b = 0;
 315         s[SI_DBINFO2].font = N_YELLOW;
 316         s[SI_DBINFO2].align = CENTER;
 317
 318         s[SI_DBINFO3].name = "dbinfo3:";
 319         s[SI_DBINFO3].prefix = "";
 320         s[SI_DBINFO3].postfix = "";
 321         s[SI_DBINFO3].x = 0;
 322         s[SI_DBINFO3].y = 93;
 323         s[SI_DBINFO3].w = 100;
 324         s[SI_DBINFO3].h = FONT_HEIGHT;
 325         s[SI_DBINFO3].r = 0;
 326         s[SI_DBINFO3].g = 0;
 327         s[SI_DBINFO3].b = 0;
 328         s[SI_DBINFO3].font = N_YELLOW;
 329         s[SI_DBINFO3].align = CENTER;
 330 }
 331
 332 /*
 333  * init SDL libary and set window title
 334  */
 335 static void init_SDL(void)
 336 {
 337         if (SDL_Init(SDL_INIT_VIDEO) == -1) {
 338                 fprintf(stderr,
 339                         "Couldn't initialize SDL: %s\n", SDL_GetError());
 340                 exit(1);
 341         }
 342         /* Clean up on exit */
 343         atexit(SDL_Quit);
 344         /* Initialize the display */
 345         if (args_info.fullscreen_flag)
 346                 screen = SDL_SetVideoMode(width, height, 0, SDL_FULLSCREEN);
 347         else
 348                 screen = SDL_SetVideoMode(width, height, 0, 0);
 349         if (!screen) {
 350                 fprintf(stderr, "Couldn't set video mode: %s\n",
 351                         SDL_GetError());
 352                 exit(1);
 353         }
 354         SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
 355         SDL_EventState(SDL_MOUSEBUTTONDOWN, SDL_IGNORE);
 356         SDL_EventState(SDL_MOUSEBUTTONUP, SDL_IGNORE);
 357         /* Set the window manager title bar */
 358         SDL_WM_SetCaption("The Gui of death that makes you blind (paraslash "
 359                 PACKAGE_VERSION ")", "SFont");
 360 }
 361
 362 /*
 363  * draw rectangular frame of width FRAME_WIDTH
 364  */
 365 static void draw_frame(Uint8 r, Uint8 g, Uint8 b) {
 366         SDL_Rect rect;
 367
 368         rect.x = 0;
 369         rect.y = 0;
 370         rect.w = width;
 371         rect.h = FRAME_WIDTH;
 372         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
 373         SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
 374
 375         rect.x = 0;
 376         rect.y = height - FRAME_WIDTH;
 377         rect.w = width;
 378         rect.h = FRAME_WIDTH;
 379         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
 380         SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
 381
 382         rect.x = 0;
 383         rect.y = FRAME_WIDTH;
 384         rect.w = FRAME_WIDTH;
 385         rect.h = height -  2 * FRAME_WIDTH;
 386         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
 387         SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
 388
 389         rect.x = width - FRAME_WIDTH;
 390         rect.y = FRAME_WIDTH;
 391         rect.w = FRAME_WIDTH;
 392         rect.h = height -  2 * FRAME_WIDTH;
 393         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
 394         SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
 395 }
 396
 397 /*
 398  * fill input rect with color
 399  */
 400 static void fill_input_rect(void)
 401 {
 402         SDL_Rect rect;
 403
 404         rect.x = INPUT_X;
 405         rect.y = INPUT_Y;
 406         rect.w = INPUT_WIDTH;
 407         rect.h = INPUT_HEIGHT;
 408         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 10, 150, 10));
 409 }
 410
 411 /*
 412  * fill output rect with color
 413  */
 414 static void fill_output_rect(void)
 415 {
 416         SDL_Rect rect;
 417
 418         rect.x = OUTPUT_X;
 419         rect.y = OUTPUT_Y;
 420         rect.w = OUTPUT_WIDTH;
 421         rect.h = OUTPUT_HEIGHT;
 422         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 0, 0, 0));
 423 }
 424
 425 /*
 426  * convert tab to space
 427  */
 428 static void tab2space(char *text)
 429 {
 430         char *p = text;
 431         while (*p) {
 432                 if (*p == '\t')
 433                         *p = ' ';
 434                 p++;
 435         }
 436 }
 437
 438 static void print_msg(const char *msg)
 439 {
 440         SFont_FontInfo *font = &(fonts[MSG_FONT].fontinfo);
 441         char *buf = strdup(msg);
 442         int len = strlen(buf);
 443
 444         if (!buf)
 445                 return;
 446         while (TextWidth2(font, buf) > INPUT_WIDTH && len > 0) {
 447                 *(buf + len) = '\0';
 448                 len--;
 449         }
 450         fill_input_rect();
 451         PutString2(screen, font, INPUT_X, INPUT_Y, buf);
 452         free(buf);
 453 }
 454
 455 static void update_all(void)
 456 {
 457         SDL_UpdateRect(screen, 0, 0, 0, 0);
 458 }
 459
 460 static void update_input(void)
 461 {
 462         SDL_UpdateRect(screen, INPUT_X, INPUT_Y, INPUT_WIDTH, INPUT_HEIGHT);
 463
 464 }
 465
 466 /*
 467  * wait for key, ignore all other events, return 0 if there is no key event
 468  * pending. Otherwise return keysym of key
 469  */
 470 SDLKey get_key(void)
 471 {
 472         SDL_Event event;
 473
 474         while (SDL_PollEvent(&event) > 0) {
 475                 if(event.type != SDL_KEYDOWN)
 476                         continue;
 477 //              printf("Key pressed, scancode: 0x%x\n",
 478 //                      event.key.keysym.scancode);
 479                 return event.key.keysym.sym;
 480         }
 481         return 0;
 482 }
 483
 484 /*
 485  * print message, wait for key (blocking), return 1 for 'q', 0 else
 486  */
 487 static SDLKey hit_key(const char *msg)
 488 {
 489         SDLKey sym;
 490
 491         print_msg(msg);
 492         update_input();
 493         while (!(sym = get_key()))
 494                 ;
 495         fill_input_rect();
 496         update_input();
 497         if (sym == SDLK_q)
 498                 return 1;
 499         else
 500                 return 0;
 501 }
 502
 503 /*
 504  * read paraslash command from input, execute it and print results
 505  */
 506 static int command_handler(void)
 507 {
 508         FILE *f;
 509         unsigned count = 0;
 510         char text[MAXLINE]="";
 511         char buf[MAXLINE]="";
 512         SFont_FontInfo *font = &fonts[OUTPUT_FONT].fontinfo;
 513
 514 //      printf("string input\n");
 515         SFont_Input2(screen, &fonts[INPUT_FONT].fontinfo,
 516                 INPUT_X, INPUT_Y - 5, INPUT_WIDTH, text);
 517         if (!strlen(text))
 518                 return 1;
 519         if (!strcmp(text, "exit") || !strcmp(text, "quit"))
 520                 return 0;
 521         if (text[0] == '!') {
 522                 if (text[1] == '\0')
 523                         return 1;
 524                 f = popen(text + 1, "r");
 525         } else {
 526                 sprintf(buf, BINDIR "/para_client %s 2>&1", text);
 527                 f = popen(buf, "r");
 528         }
 529         if (!f)
 530                 return 0;
 531         fill_output_rect();
 532         while(fgets(text, MAXLINE - 1, f)) {
 533                 int len;
 534
 535                 tab2space(text);
 536                 len = strlen(text);
 537         //      printf("string: %s\n", dest);
 538                 while (TextWidth2(font, text) > width - 2 * FRAME_WIDTH &&
 539                                 len > 0) {
 540                         text[len] = '\0';
 541                         len--;
 542                 }
 543                 PutString2(screen, font, OUTPUT_X,
 544                         OUTPUT_Y + count * FONT_HEIGHT, text);
 545                 count++;
 546                 if (count >= NUM_LINES) {
 547                         update_all();
 548                         if (hit_key("Hit any key to continue, q to return"))
 549                                 goto out;
 550                         count = 0;
 551                         fill_output_rect();
 552                 }
 553         }
 554         update_all();
 555         hit_key("Hit any key to return");
 556 out:    fill_output_rect();
 557         pclose(f);
 558         return 1;
 559 }
 560
 561
 562 /*
 563  * Add prefix and postfix to string, delete characters from the end
 564  * if its length exceeds the max length defined in stat_items[item]
 565  */
 566 char *transform_string(int item)
 567 {
 568         struct stat_item s = stat_items[item];
 569         size_t len;
 570         char *ret;
 571         unsigned pixels = s.w * (width - 2 * FRAME_WIDTH) / 100;
 572         SFont_FontInfo *font = &(fonts[s.font].fontinfo);
 573
 574         ret = make_message("%s%s%s", s.prefix, s.content, s.postfix);
 575         len = strlen(ret);
 576         while (TextWidth2(font, ret) > pixels && len > 0) {
 577                 *(ret + len) = '\0';
 578                 len--;
 579         }
 580         return ret;
 581 }
 582
 583 SDL_Surface *load_jpg(void)
 584 {
 585         SDL_RWops *rwop;
 586         int fds[3] = {0, 1, 0};
 587         pid_t pid;
 588         FILE *f;
 589
 590         if (para_exec_cmdline_pid(&pid, args_info.pic_cmd_arg, fds) < 0)
 591                 return NULL;
 592         f = fdopen(fds[1], "r");
 593         if (!f)
 594                 return NULL;
 595         if (!(rwop = SDL_RWFromFP(f, 0)))
 596                 return NULL;
 597         return IMG_LoadJPG_RW(rwop);
 598 }
 599
 600 void update_pic(void)
 601 {
 602         SDL_Surface *img;
 603         SDL_Rect src_pic_rect = {
 604                 .x = 0,
 605                 .y = 0,
 606                 .w = PIC_WIDTH,
 607                 .h = PIC_HEIGHT,
 608         };
 609         SDL_Rect dest_pic_rect = {
 610                 .x = FRAME_WIDTH,
 611                 .y = OUTPUT_HEIGHT / 5,
 612                 .w = PIC_WIDTH,
 613                 .h = PIC_HEIGHT,
 614         };
 615
 616         if (!screen)
 617                 return;
 618
 619         if (!(img = load_jpg()))
 620                 return;
 621         SDL_FillRect(screen, &dest_pic_rect, SDL_MapRGB(screen->format,
 622                 0, 0, 0));
 623         SDL_BlitSurface(img, &src_pic_rect, screen, &dest_pic_rect);
 624         SDL_Flip(screen);
 625         SDL_FreeSurface(img);
 626 }
 627
 628 /*
 629  * update status item number i.
 630  */
 631 static void do_update(int i)
 632 {
 633         static int last_played = -1;
 634         SDL_Rect rect;
 635         char *buf;
 636         SFont_FontInfo *font = &(fonts[stat_items[i].font].fontinfo);
 637         if (!stat_items[i].w)
 638                 return;
 639
 640         rect.x = stat_items[i].x * (width - FRAME_WIDTH * 2) / 100
 641                 + FRAME_WIDTH;
 642         rect.y = stat_items[i].y * (height - 2 * FRAME_WIDTH - INPUT_HEIGHT)
 643                 / 100;
 644         rect.w = stat_items[i].w * (width - 2 * FRAME_WIDTH) / 100;
 645         rect.h = stat_items[i].h;
 646         buf = transform_string(i);
 647         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format,
 648                 stat_items[i].r, stat_items[i].g, stat_items[i].b));
 649         switch(stat_items[i].align) {
 650         case CENTER:
 651                 PutString2(screen, font,
 652                         rect.x + (rect.w - TextWidth2(font, buf)) / 2,
 653                         rect.y, buf);
 654                 break;
 655         case LEFT:
 656                 PutString2(screen, font, rect.x, rect.y, buf);
 657                 break;
 658         case RIGHT:
 659                 PutString2(screen, font, rect.x + (rect.w -
 660                         TextWidth2(font, buf)), rect.y, buf);
 661                 break;
 662         }
 663         free(buf);
 664         SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
 665         if (i == SI_NUM_PLAYED && atoi(stat_items[i].content) != last_played) {
 666                 update_pic();
 667                 last_played = atoi(stat_items[i].content);
 668         };
 669 }
 670
 671 /*
 672  * Check if buf is a known status line. If so call do_update and return 1.
 673  * Return 0 otherwise.
 674  */
 675 void update_status(char *buf)
 676 {
 677         int i;
 678
 679         i = stat_line_valid(buf);
 680         if (i < 0)
 681                 return;
 682         //free(stat_items[i].content);
 683         stat_items[i].content = para_strdup(buf +
 684                 strlen(status_item_list[i]) + 1);
 685         do_update(i);
 686 }
 687
 688 /*
 689  * Read stat line from pipe if pipe is ready, call update_status to
 690  * display information.
 691  */
 692 static int draw_status(int fd)
 693 {
 694         fd_set rfds;
 695         int ret;
 696         struct timeval tv;
 697
 698         tv.tv_sec = 0;
 699         tv.tv_usec = 3000000;
 700         FD_ZERO(&rfds);
 701         FD_SET(fd, &rfds);
 702         ret = para_select(fd + 1, &rfds, NULL, &tv);
 703         if (ret <= 0)
 704                 return 0;
 705         if (read_audiod_pipe(fd, update_status) > 0)
 706                 return 1;
 707         free(stat_items[SI_STATUS_BAR].content);
 708         stat_items[SI_STATUS_BAR].content =
 709                 para_strdup("audiod not running!?\n");
 710         update_all();
 711         sleep(1);
 712         return -1;
 713 }
 714
 715 static void clean_exit(int ret)
 716 {
 717         SDL_Quit();
 718         exit(ret);
 719 }
 720
 721 static void print_help(void)
 722 {
 723         print_msg("Hit q to quit, any other key to enter command mode");
 724 }
 725
 726 static int configfile_exists(void)
 727 {
 728         if (!args_info.config_file_given) {
 729                 char *home = para_homedir();
 730                 args_info.config_file_arg = make_message(
 731                         "%s/.paraslash/sdl_gui.conf", home);
 732                 free(home);
 733         }
 734         return file_exists(args_info.config_file_arg);
 735 }
 736
 737 /*
 738  * MAIN
 739  */
 740 int main(int argc, char *argv[])
 741 {
 742         int i, ret, fd;
 743         SDLKey sym;
 744
 745         sdl_gui_cmdline_parser(argc, argv, &args_info);
 746         ret = configfile_exists();
 747 //      printf("w=%i,h=%i,ret=%i, cf=%s\n", width, height, ret, args_info.config_file_arg);
 748
 749         if (!ret && args_info.config_file_given) {
 750                 fprintf(stderr, "Can't read config file %s\n",
 751                         args_info.config_file_arg);
 752                 exit(EXIT_FAILURE);
 753         }
 754         if (ret)
 755                 sdl_gui_cmdline_parser_configfile(args_info.config_file_arg,
 756                         &args_info, 0, 0, 0);
 757         signal(SIGCHLD, SIG_IGN);
 758         width = args_info.width_arg;
 759         height = args_info.height_arg;
 760 //      printf("w=%i,h=%i,ret=%i, cf=%s\n", width, height, ret, args_info.config_file_arg);
 761         init_stat_items();
 762         fd = para_open_audiod_pipe(args_info.stat_cmd_arg);
 763         init_SDL();
 764         for (i = 0; fonts[i].name[0]; i++) {
 765                 char buf[MAXLINE];
 766                 sprintf(buf, "%s/%s", FONTDIR, fonts[i].name);
 767                 /* Load the font - You don't have to use the IMGlib for this */
 768                 fonts[i].fontinfo.Surface = IMG_Load(buf);
 769                 /* Prepare the font for use */
 770                 InitFont2(&fonts[i].fontinfo);
 771         }
 772         draw_frame(FRAME_RED, FRAME_GREEN, FRAME_BLUE);
 773         if (args_info.interactive_flag) {
 774                 print_help();
 775                 update_input();
 776         }
 777         for (;;) {
 778                 ret = draw_status(fd);
 779                 if (ret < 0) {
 780                         close(fd);
 781                         fd = -1;
 782                 }
 783                 if (SDL_QuitRequested())
 784                         clean_exit(0);
 785                 while ((sym = get_key())) {
 786                         if (!args_info.interactive_flag)
 787                                 clean_exit(0);
 788                         if (sym == SDLK_q)
 789                                 clean_exit(0);
 790                         if (       sym == SDLK_LSHIFT
 791                                 || sym == SDLK_RSHIFT
 792                                 || sym == SDLK_LMETA
 793                                 || sym == SDLK_RMETA
 794                                 || sym == SDLK_RCTRL
 795                                 || sym == SDLK_LCTRL
 796                                 || sym == SDLK_MODE
 797                                 || sym == SDLK_CAPSLOCK
 798                                 || sym == SDLK_LALT
 799                                 || sym == SDLK_RALT
 800                                 || sym == SDLK_RSUPER
 801                                 || sym == SDLK_LSUPER
 802                                 || sym == SDLK_COMPOSE
 803                                 )
 804                                 continue;
 805                         if (fd < 0) {
 806                                 kill(0, SIGINT);
 807                                 close(fd);
 808                         }
 809                         fill_input_rect();
 810                         update_input();
 811                         if (!command_handler())
 812                                 clean_exit(0);
 813                         fill_output_rect();
 814                         print_help();
 815                         update_pic();
 816                         SDL_UpdateRect(screen, 0, 0, 0, 0);
 817                         fd = para_open_audiod_pipe(args_info.stat_cmd_arg);
 818                         break;
 819                 }
 820         }
 821 }