2 * Copyright (C) 2003-2006 Andre Noll <maan@systemlinux.org>
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.
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.
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.
19 /** \file sdl_gui.c SDL-based interface for paraslash */
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 */
35 #include "sdl_gui.cmdline.h"
38 #define FRAME_GREEN 200
39 #define FRAME_BLUE 200
43 static int height = 0;
45 extern const char *status_item_list[NUM_STAT_ITEMS];
46 struct gengetopt_args_info args_info;
48 #define FRAME_WIDTH 10
49 #define FONT_HEIGHT 36
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
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)
61 #define NUM_LINES (height - 2 * FRAME_WIDTH - INPUT_HEIGHT) / FONT_HEIGHT
89 SFont_FontInfo fontinfo;
92 struct font fonts[] = {
94 .name = "24P_Arial_Metallic_Yellow.png",
95 .fontinfo = {NULL, {0}, 0}
98 .name = "24P_Arial_NeonYellow.png",
99 .fontinfo = {NULL, {0}, 0}
102 .name = "24P_Copperplate_Blue.png",
103 .fontinfo = {NULL, {0}, 0}
107 .fontinfo = {NULL, {0}, 0}
112 #define PIC_WIDTH width * 3 / 10
113 #define PIC_HEIGHT height / 3
116 #define OUTPUT_FONT 1
120 static struct stat_item stat_items[NUM_STAT_ITEMS];
122 void para_log(__a_unused int ll, __a_unused const char* fmt,...) /* no logging */
126 static void init_stat_items(void)
129 struct stat_item *s = stat_items;
131 for (i = 0; i < NUM_STAT_ITEMS; i++) {
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;
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;
161 s[SI_STATUS].prefix = "";
162 s[SI_STATUS].postfix = "";
166 s[SI_STATUS].h = FONT_HEIGHT;
170 s[SI_STATUS].font = N_YELLOW;
171 s[SI_STATUS].align = LEFT;
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;
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;
197 s[SI_UPTIME].prefix = "Up: ";
198 s[SI_UPTIME].postfix = "";
202 s[SI_UPTIME].h = FONT_HEIGHT;
206 s[SI_UPTIME].font = N_YELLOW;
207 s[SI_UPTIME].align = RIGHT;
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;
221 s[SI_FORMAT].prefix = "Format: ";
222 s[SI_FORMAT].postfix = "";
226 s[SI_FORMAT].h = FONT_HEIGHT;
230 s[SI_FORMAT].font = N_YELLOW;
231 s[SI_FORMAT].align = RIGHT;
233 s[SI_MTIME].prefix = "MTime: ";
234 s[SI_MTIME].postfix = "";
238 s[SI_MTIME].h = FONT_HEIGHT;
242 s[SI_MTIME].font = N_YELLOW;
243 s[SI_MTIME].align = LEFT;
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;
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;
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;
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;
293 s[SI_DBINFO1].name = "dbinfo1:";
294 s[SI_DBINFO1].prefix = "";
295 s[SI_DBINFO1].postfix = "";
297 s[SI_DBINFO1].y = 83;
298 s[SI_DBINFO1].w = 100;
299 s[SI_DBINFO1].h = FONT_HEIGHT;
303 s[SI_DBINFO1].font = N_YELLOW;
304 s[SI_DBINFO1].align = CENTER;
306 s[SI_DBINFO2].prefix = "";
307 s[SI_DBINFO2].postfix = "";
309 s[SI_DBINFO2].y = 88;
310 s[SI_DBINFO2].w = 100;
311 s[SI_DBINFO2].h = FONT_HEIGHT;
315 s[SI_DBINFO2].font = N_YELLOW;
316 s[SI_DBINFO2].align = CENTER;
318 s[SI_DBINFO3].name = "dbinfo3:";
319 s[SI_DBINFO3].prefix = "";
320 s[SI_DBINFO3].postfix = "";
322 s[SI_DBINFO3].y = 93;
323 s[SI_DBINFO3].w = 100;
324 s[SI_DBINFO3].h = FONT_HEIGHT;
328 s[SI_DBINFO3].font = N_YELLOW;
329 s[SI_DBINFO3].align = CENTER;
333 * init SDL libary and set window title
335 static void init_SDL(void)
337 if (SDL_Init(SDL_INIT_VIDEO) == -1) {
339 "Couldn't initialize SDL: %s\n", SDL_GetError());
342 /* Clean up on exit */
344 /* Initialize the display */
345 if (args_info.fullscreen_flag)
346 screen = SDL_SetVideoMode(width, height, 0, SDL_FULLSCREEN);
348 screen = SDL_SetVideoMode(width, height, 0, 0);
350 fprintf(stderr, "Couldn't set video mode: %s\n",
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 VERSION ")", "SFont");
363 * draw rectangular frame of width FRAME_WIDTH
365 static void draw_frame(Uint8 r, Uint8 g, Uint8 b) {
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);
376 rect.y = height - FRAME_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);
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);
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);
398 * fill input rect with color
400 static void fill_input_rect(void)
406 rect.w = INPUT_WIDTH;
407 rect.h = INPUT_HEIGHT;
408 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 10, 150, 10));
412 * fill output rect with color
414 static void fill_output_rect(void)
420 rect.w = OUTPUT_WIDTH;
421 rect.h = OUTPUT_HEIGHT;
422 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 0, 0, 0));
426 * convert tab to space
428 static void tab2space(char *text)
438 static void print_msg(const char *msg)
440 SFont_FontInfo *font = &(fonts[MSG_FONT].fontinfo);
441 char *buf = strdup(msg);
442 int len = strlen(buf);
446 while (TextWidth2(font, buf) > INPUT_WIDTH && len > 0) {
451 PutString2(screen, font, INPUT_X, INPUT_Y, buf);
455 static void update_all(void)
457 SDL_UpdateRect(screen, 0, 0, 0, 0);
460 static void update_input(void)
462 SDL_UpdateRect(screen, INPUT_X, INPUT_Y, INPUT_WIDTH, INPUT_HEIGHT);
467 * wait for key, ignore all other events, return 0 if there is no key event
468 * pending. Otherwise return keysym of key
474 while (SDL_PollEvent(&event) > 0) {
475 if(event.type != SDL_KEYDOWN)
477 // printf("Key pressed, scancode: 0x%x\n",
478 // event.key.keysym.scancode);
479 return event.key.keysym.sym;
485 * print message, wait for key (blocking), return 1 for 'q', 0 else
487 static SDLKey hit_key(const char *msg)
493 while (!(sym = get_key()))
504 * read paraslash command from input, execute it and print results
506 static int command_handler(void)
510 char text[MAXLINE]="";
511 char buf[MAXLINE]="";
512 SFont_FontInfo *font = &fonts[OUTPUT_FONT].fontinfo;
514 // printf("string input\n");
515 SFont_Input2(screen, &fonts[INPUT_FONT].fontinfo,
516 INPUT_X, INPUT_Y - 5, INPUT_WIDTH, text);
519 if (!strcmp(text, "exit") || !strcmp(text, "quit"))
521 if (text[0] == '!') {
524 pipe = popen(text + 1, "r");
526 sprintf(buf, BINDIR "/para_client %s 2>&1", text);
527 pipe = popen(buf, "r");
532 while(fgets(text, MAXLINE - 1, pipe)) {
537 // printf("string: %s\n", dest);
538 while (TextWidth2(font, text) > width - 2 * FRAME_WIDTH &&
543 PutString2(screen, font, OUTPUT_X,
544 OUTPUT_Y + count * FONT_HEIGHT, text);
546 if (count >= NUM_LINES) {
548 if (hit_key("Hit any key to continue, q to return"))
555 hit_key("Hit any key to return");
556 out: fill_output_rect();
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]
566 char *transform_string(int item)
568 struct stat_item s = stat_items[item];
571 unsigned pixels = s.w * (width - 2 * FRAME_WIDTH) / 100;
572 SFont_FontInfo *font = &(fonts[s.font].fontinfo);
574 ret = make_message("%s%s%s", s.prefix, s.content, s.postfix);
576 while (TextWidth2(font, ret) > pixels && len > 0) {
583 SDL_Surface *load_jpg(void)
586 int fds[3] = {0, 1, 0};
590 if (para_exec_cmdline_pid(&pid, args_info.pic_cmd_arg, fds) < 0)
592 pipe = fdopen(fds[1], "r");
595 if (!(rwop = SDL_RWFromFP(pipe, 0)))
597 return IMG_LoadJPG_RW(rwop);
600 void update_pic(void)
603 SDL_Rect src_pic_rect = {
609 SDL_Rect dest_pic_rect = {
611 .y = OUTPUT_HEIGHT / 5,
619 if (!(img = load_jpg()))
621 SDL_FillRect(screen, &dest_pic_rect, SDL_MapRGB(screen->format,
623 SDL_BlitSurface(img, &src_pic_rect, screen, &dest_pic_rect);
625 SDL_FreeSurface(img);
629 * update status item number i.
631 static void do_update(int i)
633 static int last_played = -1;
636 SFont_FontInfo *font = &(fonts[stat_items[i].font].fontinfo);
637 if (!stat_items[i].w)
640 rect.x = stat_items[i].x * (width - FRAME_WIDTH * 2) / 100
642 rect.y = stat_items[i].y * (height - 2 * FRAME_WIDTH - INPUT_HEIGHT)
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) {
651 PutString2(screen, font,
652 rect.x + (rect.w - TextWidth2(font, buf)) / 2,
656 PutString2(screen, font, rect.x, rect.y, buf);
659 PutString2(screen, font, rect.x + (rect.w -
660 TextWidth2(font, buf)), rect.y, 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) {
667 last_played = atoi(stat_items[i].content);
672 * Check if buf is a known status line. If so call do_update and return 1.
673 * Return 0 otherwise.
675 void update_status(char *buf)
679 i = stat_line_valid(buf);
682 //free(stat_items[i].content);
683 stat_items[i].content = para_strdup(buf +
684 strlen(status_item_list[i]) + 1);
689 * Read stat line from pipe if pipe is ready, call update_status to
690 * display information.
692 static int draw_status(int pipe)
699 tv.tv_usec = 3000000;
702 ret = para_select(pipe + 1, &rfds, NULL, &tv);
705 if (read_audiod_pipe(pipe, update_status) > 0)
707 free(stat_items[SI_STATUS_BAR].content);
708 stat_items[SI_STATUS_BAR].content =
709 para_strdup("audiod not running!?\n");
715 static void clean_exit(int ret)
721 static void print_help(void)
723 print_msg("Hit q to quit, any other key to enter command mode");
726 static int configfile_exists(void)
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);
734 return file_exists(args_info.config_file_arg);
740 int main(int argc, char *argv[])
745 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);
749 if (!ret && args_info.config_file_given) {
750 fprintf(stderr, "Can't read config file %s\n",
751 args_info.config_file_arg);
755 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);
762 pipe = para_open_audiod_pipe(args_info.stat_cmd_arg);
764 for (i = 0; fonts[i].name[0]; i++) {
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);
772 draw_frame(FRAME_RED, FRAME_GREEN, FRAME_BLUE);
773 if (args_info.interactive_flag) {
778 ret = draw_status(pipe);
783 if (SDL_QuitRequested())
785 while ((sym = get_key())) {
786 if (!args_info.interactive_flag)
790 if ( sym == SDLK_LSHIFT
791 || sym == SDLK_RSHIFT
797 || sym == SDLK_CAPSLOCK
800 || sym == SDLK_RSUPER
801 || sym == SDLK_LSUPER
802 || sym == SDLK_COMPOSE
806 // printf("closing pipe\n");
809 // printf("pipe closed\n");
813 if (!command_handler())
818 SDL_UpdateRect(screen, 0, 0, 0, 0);
819 pipe = para_open_audiod_pipe(args_info.stat_cmd_arg);