1 /* Copyright 2011 Bert Muennich 2 * 3 * This file is part of sxiv. 4 * 5 * sxiv is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published 7 * by the Free Software Foundation; either version 2 of the License, 8 * or (at your option) any later version. 9 * 10 * sxiv is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with sxiv. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef SXIV_H 20 #define SXIV_H 21 22 #include <stdarg.h> 23 #include <stdbool.h> 24 #include <stdio.h> 25 #include <sys/time.h> 26 #include <sys/types.h> 27 #include <Imlib2.h> 28 #include <X11/Xlib.h> 29 30 /* 31 * Annotation for functions called in cleanup(). 32 * These functions are not allowed to call error(!0, ...) or exit(). 33 */ 34 #define CLEANUP 35 36 #ifndef MIN 37 #define MIN(a,b) ((a) < (b) ? (a) : (b)) 38 #endif 39 #ifndef MAX 40 #define MAX(a,b) ((a) > (b) ? (a) : (b)) 41 #endif 42 43 #define ARRLEN(a) (sizeof(a) / sizeof((a)[0])) 44 45 #define STREQ(s1,s2) (strcmp((s1), (s2)) == 0) 46 47 #define TV_DIFF(t1,t2) (((t1)->tv_sec - (t2)->tv_sec ) * 1000 + \ 48 ((t1)->tv_usec - (t2)->tv_usec) / 1000) 49 50 #define TV_SET_MSEC(tv,t) { \ 51 (tv)->tv_sec = (t) / 1000; \ 52 (tv)->tv_usec = (t) % 1000 * 1000; \ 53 } 54 55 #define TV_ADD_MSEC(tv,t) { \ 56 (tv)->tv_sec += (t) / 1000; \ 57 (tv)->tv_usec += (t) % 1000 * 1000; \ 58 } 59 60 typedef enum { 61 BO_BIG_ENDIAN, 62 BO_LITTLE_ENDIAN 63 } byteorder_t; 64 65 typedef enum { 66 MODE_IMAGE, 67 MODE_THUMB 68 } appmode_t; 69 70 typedef enum { 71 DIR_LEFT = 1, 72 DIR_RIGHT = 2, 73 DIR_UP = 4, 74 DIR_DOWN = 8 75 } direction_t; 76 77 typedef enum { 78 DEGREE_90 = 1, 79 DEGREE_180 = 2, 80 DEGREE_270 = 3 81 } degree_t; 82 83 typedef enum { 84 FLIP_HORIZONTAL = 1, 85 FLIP_VERTICAL = 2 86 } flipdir_t; 87 88 typedef enum { 89 SCALE_DOWN, 90 SCALE_FIT, 91 SCALE_WIDTH, 92 SCALE_HEIGHT, 93 SCALE_ZOOM 94 } scalemode_t; 95 96 typedef enum { 97 DRAG_RELATIVE, 98 DRAG_ABSOLUTE 99 } dragmode_t; 100 101 typedef enum { 102 CURSOR_ARROW, 103 CURSOR_DRAG, 104 CURSOR_WATCH, 105 CURSOR_LEFT, 106 CURSOR_RIGHT, 107 CURSOR_NONE, 108 109 CURSOR_COUNT 110 } cursor_t; 111 112 typedef enum { 113 FF_WARN = 1, 114 FF_MARK = 2, 115 FF_TN_INIT = 4 116 } fileflags_t; 117 118 typedef struct { 119 const char *name; /* as given by user */ 120 const char *path; /* always absolute */ 121 fileflags_t flags; 122 } fileinfo_t; 123 124 /* timeouts in milliseconds: */ 125 enum { 126 TO_REDRAW_RESIZE = 75, 127 TO_REDRAW_THUMBS = 200, 128 TO_CURSOR_HIDE = 1200, 129 TO_DOUBLE_CLICK = 300 130 }; 131 132 typedef void (*timeout_f)(void); 133 134 typedef struct arl arl_t; 135 typedef struct img img_t; 136 typedef struct opt opt_t; 137 typedef struct tns tns_t; 138 typedef struct win win_t; 139 140 141 /* autoreload.c */ 142 143 struct arl { 144 int fd; 145 int wd_dir; 146 int wd_file; 147 char *filename; 148 }; 149 150 void arl_init(arl_t*); 151 void arl_cleanup(arl_t*); 152 void arl_setup(arl_t*, const char* /* result of realpath(3) */); 153 bool arl_handle(arl_t*); 154 155 156 /* commands.c */ 157 158 typedef int arg_t; 159 typedef bool (*cmd_f)(arg_t); 160 161 #define G_CMD(c) g_##c, 162 #define I_CMD(c) i_##c, 163 #define T_CMD(c) t_##c, 164 165 typedef enum { 166 #include "commands.lst" 167 CMD_COUNT 168 } cmd_id_t; 169 170 typedef struct { 171 int mode; 172 cmd_f func; 173 } cmd_t; 174 175 typedef struct { 176 unsigned int mask; 177 KeySym ksym; 178 cmd_id_t cmd; 179 arg_t arg; 180 } keymap_t; 181 182 typedef struct { 183 unsigned int mask; 184 unsigned int button; 185 cmd_id_t cmd; 186 arg_t arg; 187 } button_t; 188 189 extern const cmd_t cmds[CMD_COUNT]; 190 191 192 /* image.c */ 193 194 typedef struct { 195 Imlib_Image im; 196 unsigned int delay; 197 } img_frame_t; 198 199 typedef struct { 200 img_frame_t *frames; 201 int cap; 202 int cnt; 203 int sel; 204 bool animate; 205 int framedelay; 206 int length; 207 } multi_img_t; 208 209 struct img { 210 Imlib_Image im; 211 int w; 212 int h; 213 214 win_t *win; 215 float x; 216 float y; 217 218 scalemode_t scalemode; 219 float zoom; 220 221 bool checkpan; 222 bool dirty; 223 bool aa; 224 bool alpha; 225 226 Imlib_Color_Modifier cmod; 227 int gamma; 228 229 struct { 230 bool on; 231 int delay; 232 } ss; 233 234 multi_img_t multi; 235 }; 236 237 void img_init(img_t*, win_t*); 238 bool img_load(img_t*, const fileinfo_t*); 239 CLEANUP void img_close(img_t*, bool); 240 void img_render(img_t*); 241 bool img_fit_win(img_t*, scalemode_t); 242 bool img_zoom(img_t*, float); 243 bool img_zoom_in(img_t*); 244 bool img_zoom_out(img_t*); 245 bool img_pos(img_t*, float, float); 246 bool img_move(img_t*, float, float); 247 bool img_pan(img_t*, direction_t, int); 248 bool img_pan_edge(img_t*, direction_t); 249 void img_rotate(img_t*, degree_t); 250 void img_flip(img_t*, flipdir_t); 251 void img_toggle_antialias(img_t*); 252 bool img_change_gamma(img_t*, int); 253 bool img_frame_navigate(img_t*, int); 254 bool img_frame_animate(img_t*); 255 256 257 /* options.c */ 258 259 struct opt { 260 /* file list: */ 261 char **filenames; 262 bool from_stdin; 263 bool to_stdout; 264 bool recursive; 265 int filecnt; 266 int startnum; 267 268 /* image: */ 269 scalemode_t scalemode; 270 float zoom; 271 bool animate; 272 int gamma; 273 int slideshow; 274 int framerate; 275 276 /* window: */ 277 bool fullscreen; 278 bool hide_bar; 279 long embed; 280 char *geometry; 281 char *res_name; 282 283 /* misc flags: */ 284 bool quiet; 285 bool thumb_mode; 286 bool clean_cache; 287 bool private_mode; 288 }; 289 290 extern const opt_t *options; 291 292 void print_usage(void); 293 void print_version(void); 294 void parse_options(int, char**); 295 296 297 /* thumbs.c */ 298 299 typedef struct { 300 Imlib_Image im; 301 int w; 302 int h; 303 int x; 304 int y; 305 } thumb_t; 306 307 struct tns { 308 fileinfo_t *files; 309 thumb_t *thumbs; 310 const int *cnt; 311 int *sel; 312 int initnext; 313 int loadnext; 314 int first, end; 315 int r_first, r_end; 316 317 win_t *win; 318 int x; 319 int y; 320 int cols; 321 int rows; 322 int zl; 323 int bw; 324 int dim; 325 326 bool dirty; 327 }; 328 329 void tns_clean_cache(tns_t*); 330 void tns_init(tns_t*, fileinfo_t*, const int*, int*, win_t*); 331 CLEANUP void tns_free(tns_t*); 332 bool tns_load(tns_t*, int, bool, bool); 333 void tns_unload(tns_t*, int); 334 void tns_render(tns_t*); 335 void tns_mark(tns_t*, int, bool); 336 void tns_highlight(tns_t*, int, bool); 337 bool tns_move_selection(tns_t*, direction_t, int); 338 bool tns_scroll(tns_t*, direction_t, bool); 339 bool tns_zoom(tns_t*, int); 340 int tns_translate(tns_t*, int, int); 341 342 343 /* util.c */ 344 345 #include <dirent.h> 346 347 typedef struct { 348 DIR *dir; 349 char *name; 350 int d; 351 bool recursive; 352 353 char **stack; 354 int stcap; 355 int stlen; 356 } r_dir_t; 357 358 extern const char *progname; 359 360 void* emalloc(size_t); 361 void* erealloc(void*, size_t); 362 char* estrdup(const char*); 363 void error(int, int, const char*, ...); 364 void size_readable(float*, const char**); 365 int r_opendir(r_dir_t*, const char*, bool); 366 int r_closedir(r_dir_t*); 367 char* r_readdir(r_dir_t*, bool); 368 int r_mkdir(char*); 369 370 371 /* window.c */ 372 373 #include <X11/Xutil.h> 374 #include <X11/Xft/Xft.h> 375 376 enum { 377 BAR_L_LEN = 512, 378 BAR_R_LEN = 64 379 }; 380 381 enum { 382 ATOM_WM_DELETE_WINDOW, 383 ATOM__NET_WM_NAME, 384 ATOM__NET_WM_ICON_NAME, 385 ATOM__NET_WM_ICON, 386 ATOM__NET_WM_STATE, 387 ATOM__NET_WM_STATE_FULLSCREEN, 388 ATOM_COUNT 389 }; 390 391 typedef struct { 392 Display *dpy; 393 int scr; 394 int scrw, scrh; 395 Visual *vis; 396 Colormap cmap; 397 int depth; 398 } win_env_t; 399 400 typedef struct { 401 size_t size; 402 char *p; 403 char *buf; 404 } win_bar_t; 405 406 struct win { 407 Window xwin; 408 win_env_t env; 409 410 XftColor bg; 411 XftColor fg; 412 413 int x; 414 int y; 415 unsigned int w; 416 unsigned int h; /* = win height - bar height */ 417 unsigned int bw; 418 419 struct { 420 int w; 421 int h; 422 Pixmap pm; 423 } buf; 424 425 struct { 426 unsigned int h; 427 win_bar_t l; 428 win_bar_t r; 429 } bar; 430 }; 431 432 extern Atom atoms[ATOM_COUNT]; 433 434 void win_init(win_t*); 435 void win_open(win_t*); 436 CLEANUP void win_close(win_t*); 437 bool win_configure(win_t*, XConfigureEvent*); 438 void win_toggle_fullscreen(win_t*); 439 void win_toggle_bar(win_t*); 440 void win_clear(win_t*); 441 void win_draw(win_t*); 442 void win_draw_rect(win_t*, int, int, int, int, bool, int, unsigned long); 443 void win_set_title(win_t*, const char*); 444 void win_set_cursor(win_t*, cursor_t); 445 void win_cursor_pos(win_t*, int*, int*); 446 447 #endif /* SXIV_H */ 448 449