2 * Copyright (C) 2003-2007 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file sdl_gui.c SDL-based interface for paraslash */
13 #include "gui_common.h"
20 #include <SDL/SDL_image.h>
21 #include <SDL/SDL_events.h>
22 #include <SDL/SDL_keyboard.h>
23 #include <SDL/SDL_keysym.h>
24 #include <sys/time.h> /* timeval, needed for select */
26 #include "sdl_gui.cmdline.h"
29 #define FRAME_GREEN 200
30 #define FRAME_BLUE 200
34 static int height = 0;
36 extern const char *status_item_list[NUM_STAT_ITEMS];
37 struct sdl_gui_args_info args_info;
39 #define FRAME_WIDTH 10
40 #define FONT_HEIGHT 36
42 #define INPUT_WIDTH width - 2 * FRAME_WIDTH
43 #define INPUT_X FRAME_WIDTH
44 #define INPUT_HEIGHT (args_info.interactive_flag? FONT_HEIGHT : 0)
45 #define INPUT_Y height - FRAME_WIDTH - INPUT_HEIGHT
47 #define OUTPUT_WIDTH width - 2 * FRAME_WIDTH
48 #define OUTPUT_X FRAME_WIDTH
49 #define OUTPUT_Y FRAME_WIDTH
50 #define OUTPUT_HEIGHT (height - INPUT_HEIGHT - 2 * FRAME_WIDTH)
52 #define NUM_LINES (height - 2 * FRAME_WIDTH - INPUT_HEIGHT) / FONT_HEIGHT
80 SFont_FontInfo fontinfo;
83 struct font fonts[] = {
85 .name = "24P_Arial_Metallic_Yellow.png",
86 .fontinfo = {NULL, {0}, 0}
89 .name = "24P_Arial_NeonYellow.png",
90 .fontinfo = {NULL, {0}, 0}
93 .name = "24P_Copperplate_Blue.png",
94 .fontinfo = {NULL, {0}, 0}
98 .fontinfo = {NULL, {0}, 0}
103 #define PIC_WIDTH width * 3 / 10
104 #define PIC_HEIGHT height / 3
107 #define OUTPUT_FONT 1
111 static struct stat_item stat_items[NUM_STAT_ITEMS];
113 void para_log(__a_unused int ll, __a_unused const char* fmt,...) /* no logging */
117 static void init_stat_items(void)
120 struct stat_item *s = stat_items;
122 for (i = 0; i < NUM_STAT_ITEMS; i++) {
128 s[SI_STATUS_BAR].prefix = "";
129 s[SI_STATUS_BAR].postfix = "";
130 s[SI_STATUS_BAR].x = 0;
131 s[SI_STATUS_BAR].y = 10;
132 s[SI_STATUS_BAR].w = 100;
133 s[SI_STATUS_BAR].h = FONT_HEIGHT;
134 s[SI_STATUS_BAR].r = 0;
135 s[SI_STATUS_BAR].g = 0;
136 s[SI_STATUS_BAR].b = 0;
137 s[SI_STATUS_BAR].font = M_YELLOW;
138 s[SI_STATUS_BAR].align = CENTER;
140 s[SI_PLAY_TIME].prefix = "";
141 s[SI_PLAY_TIME].postfix = "";
142 s[SI_PLAY_TIME].x = 35;
143 s[SI_PLAY_TIME].y = 20;
144 s[SI_PLAY_TIME].w = 65;
145 s[SI_PLAY_TIME].h = FONT_HEIGHT;
146 s[SI_PLAY_TIME].r = 0;
147 s[SI_PLAY_TIME].g = 0;
148 s[SI_PLAY_TIME].b = 0;
149 s[SI_PLAY_TIME].font = M_YELLOW;
150 s[SI_PLAY_TIME].align = CENTER;
152 s[SI_STATUS].prefix = "";
153 s[SI_STATUS].postfix = "";
157 s[SI_STATUS].h = FONT_HEIGHT;
161 s[SI_STATUS].font = N_YELLOW;
162 s[SI_STATUS].align = LEFT;
164 s[SI_STATUS_FLAGS].prefix = " (";
165 s[SI_STATUS_FLAGS].postfix = ")";
166 s[SI_STATUS_FLAGS].x = 47;
167 s[SI_STATUS_FLAGS].y = 28;
168 s[SI_STATUS_FLAGS].w = 15;
169 s[SI_STATUS_FLAGS].h = FONT_HEIGHT;
170 s[SI_STATUS_FLAGS].r = 0;
171 s[SI_STATUS_FLAGS].g = 0;
172 s[SI_STATUS_FLAGS].b = 0;
173 s[SI_STATUS_FLAGS].font = N_YELLOW;
174 s[SI_STATUS_FLAGS].align = CENTER;
176 s[SI_NUM_PLAYED].prefix = "#";
177 s[SI_NUM_PLAYED].postfix = "";
178 s[SI_NUM_PLAYED].x = 62;
179 s[SI_NUM_PLAYED].y = 28;
180 s[SI_NUM_PLAYED].w = 13;
181 s[SI_NUM_PLAYED].h = FONT_HEIGHT;
182 s[SI_NUM_PLAYED].r = 0;
183 s[SI_NUM_PLAYED].g = 0;
184 s[SI_NUM_PLAYED].b = 0;
185 s[SI_NUM_PLAYED].font = N_YELLOW;
186 s[SI_NUM_PLAYED].align = CENTER;
188 s[SI_UPTIME].prefix = "Up: ";
189 s[SI_UPTIME].postfix = "";
193 s[SI_UPTIME].h = FONT_HEIGHT;
197 s[SI_UPTIME].font = N_YELLOW;
198 s[SI_UPTIME].align = RIGHT;
200 s[SI_SELECTOR].prefix = "selector: ";
201 s[SI_SELECTOR].postfix = "";
202 s[SI_SELECTOR].x = 35;
203 s[SI_SELECTOR].y = 48;
204 s[SI_SELECTOR].w = 35;
205 s[SI_SELECTOR].h = FONT_HEIGHT;
206 s[SI_SELECTOR].r = 0;
207 s[SI_SELECTOR].g = 0;
208 s[SI_SELECTOR].b = 0;
209 s[SI_SELECTOR].font = N_YELLOW;
210 s[SI_SELECTOR].align = LEFT;
212 s[SI_FORMAT].prefix = "Format: ";
213 s[SI_FORMAT].postfix = "";
217 s[SI_FORMAT].h = FONT_HEIGHT;
221 s[SI_FORMAT].font = N_YELLOW;
222 s[SI_FORMAT].align = RIGHT;
224 s[SI_MTIME].prefix = "MTime: ";
225 s[SI_MTIME].postfix = "";
229 s[SI_MTIME].h = FONT_HEIGHT;
233 s[SI_MTIME].font = N_YELLOW;
234 s[SI_MTIME].align = LEFT;
236 s[SI_FILE_SIZE].prefix = "Size: ";
237 s[SI_FILE_SIZE].postfix = "kb";
238 s[SI_FILE_SIZE].x = 35;
239 s[SI_FILE_SIZE].y = 42;
240 s[SI_FILE_SIZE].w = 20;
241 s[SI_FILE_SIZE].h = FONT_HEIGHT;
242 s[SI_FILE_SIZE].r = 0;
243 s[SI_FILE_SIZE].g = 0;
244 s[SI_FILE_SIZE].b = 0;
245 s[SI_FILE_SIZE].font = N_YELLOW;
246 s[SI_FILE_SIZE].align = LEFT;
248 s[SI_AUDIO_INFO1].prefix = "";
249 s[SI_AUDIO_INFO1].postfix = "";
250 s[SI_AUDIO_INFO1].x = 0;
251 s[SI_AUDIO_INFO1].y = 60;
252 s[SI_AUDIO_INFO1].w = 100;
253 s[SI_AUDIO_INFO1].h = FONT_HEIGHT;
254 s[SI_AUDIO_INFO1].r = 0;
255 s[SI_AUDIO_INFO1].g = 0;
256 s[SI_AUDIO_INFO1].b = 0;
257 s[SI_AUDIO_INFO1].font = N_YELLOW;
258 s[SI_AUDIO_INFO1].align = CENTER;
260 s[SI_AUDIO_INFO2].prefix = "";
261 s[SI_AUDIO_INFO2].postfix = "";
262 s[SI_AUDIO_INFO2].x = 0;
263 s[SI_AUDIO_INFO2].y = 65;
264 s[SI_AUDIO_INFO2].w = 100;
265 s[SI_AUDIO_INFO2].h = FONT_HEIGHT;
266 s[SI_AUDIO_INFO2].r = 0;
267 s[SI_AUDIO_INFO2].g = 0;
268 s[SI_AUDIO_INFO2].b = 0;
269 s[SI_AUDIO_INFO2].font = N_YELLOW;
270 s[SI_AUDIO_INFO2].align = CENTER;
272 s[SI_AUDIO_INFO3].prefix = "";
273 s[SI_AUDIO_INFO3].postfix = "";
274 s[SI_AUDIO_INFO3].x = 0;
275 s[SI_AUDIO_INFO3].y = 70;
276 s[SI_AUDIO_INFO3].w = 100;
277 s[SI_AUDIO_INFO3].h = FONT_HEIGHT;
278 s[SI_AUDIO_INFO3].r = 0;
279 s[SI_AUDIO_INFO3].g = 0;
280 s[SI_AUDIO_INFO3].b = 0;
281 s[SI_AUDIO_INFO3].font = N_YELLOW;
282 s[SI_AUDIO_INFO3].align = CENTER;
284 s[SI_DBINFO1].name = "dbinfo1:";
285 s[SI_DBINFO1].prefix = "";
286 s[SI_DBINFO1].postfix = "";
288 s[SI_DBINFO1].y = 83;
289 s[SI_DBINFO1].w = 100;
290 s[SI_DBINFO1].h = FONT_HEIGHT;
294 s[SI_DBINFO1].font = N_YELLOW;
295 s[SI_DBINFO1].align = CENTER;
297 s[SI_DBINFO2].prefix = "";
298 s[SI_DBINFO2].postfix = "";
300 s[SI_DBINFO2].y = 88;
301 s[SI_DBINFO2].w = 100;
302 s[SI_DBINFO2].h = FONT_HEIGHT;
306 s[SI_DBINFO2].font = N_YELLOW;
307 s[SI_DBINFO2].align = CENTER;
309 s[SI_DBINFO3].name = "dbinfo3:";
310 s[SI_DBINFO3].prefix = "";
311 s[SI_DBINFO3].postfix = "";
313 s[SI_DBINFO3].y = 93;
314 s[SI_DBINFO3].w = 100;
315 s[SI_DBINFO3].h = FONT_HEIGHT;
319 s[SI_DBINFO3].font = N_YELLOW;
320 s[SI_DBINFO3].align = CENTER;
324 * init SDL libary and set window title
326 static void init_SDL(void)
328 if (SDL_Init(SDL_INIT_VIDEO) == -1) {
330 "Couldn't initialize SDL: %s\n", SDL_GetError());
333 /* Clean up on exit */
335 /* Initialize the display */
336 if (args_info.fullscreen_flag)
337 screen = SDL_SetVideoMode(width, height, 0, SDL_FULLSCREEN);
339 screen = SDL_SetVideoMode(width, height, 0, 0);
341 fprintf(stderr, "Couldn't set video mode: %s\n",
345 SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
346 SDL_EventState(SDL_MOUSEBUTTONDOWN, SDL_IGNORE);
347 SDL_EventState(SDL_MOUSEBUTTONUP, SDL_IGNORE);
348 /* Set the window manager title bar */
349 SDL_WM_SetCaption("The Gui of death that makes you blind (paraslash "
350 PACKAGE_VERSION ")", "SFont");
354 * draw rectangular frame of width FRAME_WIDTH
356 static void draw_frame(Uint8 r, Uint8 g, Uint8 b) {
362 rect.h = FRAME_WIDTH;
363 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
364 SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
367 rect.y = height - FRAME_WIDTH;
369 rect.h = FRAME_WIDTH;
370 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
371 SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
374 rect.y = FRAME_WIDTH;
375 rect.w = FRAME_WIDTH;
376 rect.h = height - 2 * FRAME_WIDTH;
377 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
378 SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
380 rect.x = width - FRAME_WIDTH;
381 rect.y = FRAME_WIDTH;
382 rect.w = FRAME_WIDTH;
383 rect.h = height - 2 * FRAME_WIDTH;
384 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, r, g, b));
385 SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
389 * fill input rect with color
391 static void fill_input_rect(void)
397 rect.w = INPUT_WIDTH;
398 rect.h = INPUT_HEIGHT;
399 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 10, 150, 10));
403 * fill output rect with color
405 static void fill_output_rect(void)
411 rect.w = OUTPUT_WIDTH;
412 rect.h = OUTPUT_HEIGHT;
413 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 0, 0, 0));
417 * convert tab to space
419 static void tab2space(char *text)
429 static void print_msg(const char *msg)
431 SFont_FontInfo *font = &(fonts[MSG_FONT].fontinfo);
432 char *buf = strdup(msg);
433 int len = strlen(buf);
437 while (TextWidth2(font, buf) > INPUT_WIDTH && len > 0) {
442 PutString2(screen, font, INPUT_X, INPUT_Y, buf);
446 static void update_all(void)
448 SDL_UpdateRect(screen, 0, 0, 0, 0);
451 static void update_input(void)
453 SDL_UpdateRect(screen, INPUT_X, INPUT_Y, INPUT_WIDTH, INPUT_HEIGHT);
458 * wait for key, ignore all other events, return 0 if there is no key event
459 * pending. Otherwise return keysym of key
465 while (SDL_PollEvent(&event) > 0) {
466 if(event.type != SDL_KEYDOWN)
468 // printf("Key pressed, scancode: 0x%x\n",
469 // event.key.keysym.scancode);
470 return event.key.keysym.sym;
476 * print message, wait for key (blocking), return 1 for 'q', 0 else
478 static SDLKey hit_key(const char *msg)
484 while (!(sym = get_key()))
495 * read paraslash command from input, execute it and print results
497 static int command_handler(void)
501 char text[MAXLINE]="";
502 char buf[MAXLINE]="";
503 SFont_FontInfo *font = &fonts[OUTPUT_FONT].fontinfo;
505 // printf("string input\n");
506 SFont_Input2(screen, &fonts[INPUT_FONT].fontinfo,
507 INPUT_X, INPUT_Y - 5, INPUT_WIDTH, text);
510 if (!strcmp(text, "exit") || !strcmp(text, "quit"))
512 if (text[0] == '!') {
515 f = popen(text + 1, "r");
517 sprintf(buf, BINDIR "/para_client %s 2>&1", text);
523 while(fgets(text, MAXLINE - 1, f)) {
528 // printf("string: %s\n", dest);
529 while (TextWidth2(font, text) > width - 2 * FRAME_WIDTH &&
534 PutString2(screen, font, OUTPUT_X,
535 OUTPUT_Y + count * FONT_HEIGHT, text);
537 if (count >= NUM_LINES) {
539 if (hit_key("Hit any key to continue, q to return"))
546 hit_key("Hit any key to return");
547 out: fill_output_rect();
554 * Add prefix and postfix to string, delete characters from the end
555 * if its length exceeds the max length defined in stat_items[item]
557 char *transform_string(int item)
559 struct stat_item s = stat_items[item];
562 unsigned pixels = s.w * (width - 2 * FRAME_WIDTH) / 100;
563 SFont_FontInfo *font = &(fonts[s.font].fontinfo);
565 ret = make_message("%s%s%s", s.prefix, s.content, s.postfix);
567 while (TextWidth2(font, ret) > pixels && len > 0) {
574 SDL_Surface *load_jpg(void)
577 int fds[3] = {0, 1, 0};
581 if (para_exec_cmdline_pid(&pid, args_info.pic_cmd_arg, fds) < 0)
583 f = fdopen(fds[1], "r");
586 if (!(rwop = SDL_RWFromFP(f, 0)))
588 return IMG_LoadJPG_RW(rwop);
591 void update_pic(void)
594 SDL_Rect src_pic_rect = {
600 SDL_Rect dest_pic_rect = {
602 .y = OUTPUT_HEIGHT / 5,
610 if (!(img = load_jpg()))
612 SDL_FillRect(screen, &dest_pic_rect, SDL_MapRGB(screen->format,
614 SDL_BlitSurface(img, &src_pic_rect, screen, &dest_pic_rect);
616 SDL_FreeSurface(img);
620 * update status item number i.
622 static void do_update(int i)
624 static int last_played = -1;
627 SFont_FontInfo *font = &(fonts[stat_items[i].font].fontinfo);
628 if (!stat_items[i].w)
631 rect.x = stat_items[i].x * (width - FRAME_WIDTH * 2) / 100
633 rect.y = stat_items[i].y * (height - 2 * FRAME_WIDTH - INPUT_HEIGHT)
635 rect.w = stat_items[i].w * (width - 2 * FRAME_WIDTH) / 100;
636 rect.h = stat_items[i].h;
637 buf = transform_string(i);
638 SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format,
639 stat_items[i].r, stat_items[i].g, stat_items[i].b));
640 switch(stat_items[i].align) {
642 PutString2(screen, font,
643 rect.x + (rect.w - TextWidth2(font, buf)) / 2,
647 PutString2(screen, font, rect.x, rect.y, buf);
650 PutString2(screen, font, rect.x + (rect.w -
651 TextWidth2(font, buf)), rect.y, buf);
655 SDL_UpdateRect(screen, rect.x, rect.y, rect.w, rect.h);
656 if (i == SI_NUM_PLAYED && atoi(stat_items[i].content) != last_played) {
658 last_played = atoi(stat_items[i].content);
663 * Check if buf is a known status line. If so call do_update and return 1.
664 * Return 0 otherwise.
666 int update_status(char *buf, __a_unused void *data)
670 i = stat_line_valid(buf);
673 //free(stat_items[i].content);
674 stat_items[i].content = para_strdup(buf +
675 strlen(status_item_list[i]) + 1);
681 * Read stat line from pipe if pipe is ready, call update_status to
682 * display information.
684 static int draw_status(int fd)
691 tv.tv_usec = 3000000;
694 ret = para_select(fd + 1, &rfds, NULL, &tv);
697 if (read_audiod_pipe(fd, update_status) > 0)
699 free(stat_items[SI_STATUS_BAR].content);
700 stat_items[SI_STATUS_BAR].content =
701 para_strdup("audiod not running!?\n");
707 static void clean_exit(int ret)
713 static void print_help(void)
715 print_msg("Hit q to quit, any other key to enter command mode");
718 static int configfile_exists(void)
720 if (!args_info.config_file_given) {
721 char *home = para_homedir();
722 args_info.config_file_arg = make_message(
723 "%s/.paraslash/sdl_gui.conf", home);
726 return file_exists(args_info.config_file_arg);
732 int main(int argc, char *argv[])
737 sdl_gui_cmdline_parser(argc, argv, &args_info);
738 HANDLE_VERSION_FLAG("sdl_gui", args_info);
739 ret = configfile_exists();
740 // printf("w=%i,h=%i,ret=%i, cf=%s\n", width, height, ret, args_info.config_file_arg);
742 if (!ret && args_info.config_file_given) {
743 fprintf(stderr, "Can't read config file %s\n",
744 args_info.config_file_arg);
748 struct sdl_gui_cmdline_parser_params params = {
754 sdl_gui_cmdline_parser_config_file(args_info.config_file_arg,
755 &args_info, ¶ms);
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);
763 for (i = 0; fonts[i].name[0]; i++) {
765 sprintf(buf, "%s/%s", FONTDIR, fonts[i].name);
766 /* Load the font - You don't have to use the IMGlib for this */
767 fonts[i].fontinfo.Surface = IMG_Load(buf);
768 /* Prepare the font for use */
769 InitFont2(&fonts[i].fontinfo);
771 draw_frame(FRAME_RED, FRAME_GREEN, FRAME_BLUE);
772 if (args_info.interactive_flag) {
778 fd = para_open_audiod_pipe(args_info.stat_cmd_arg);
780 clean_exit(EXIT_FAILURE);
782 ret = draw_status(fd);
787 if (SDL_QuitRequested())
789 while ((sym = get_key())) {
790 if (!args_info.interactive_flag)
794 if ( sym == SDLK_LSHIFT
795 || sym == SDLK_RSHIFT
801 || sym == SDLK_CAPSLOCK
804 || sym == SDLK_RSUPER
805 || sym == SDLK_LSUPER
806 || sym == SDLK_COMPOSE
811 if (!command_handler())
816 SDL_UpdateRect(screen, 0, 0, 0, 0);