| 1 | /* Copyright 2011-2020 Bert Muennich |
| 2 | * Copyright 2021-2022 nsxiv contributors |
| 3 | * |
| 4 | * This file is a part of nsxiv. |
| 5 | * |
| 6 | * nsxiv is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published |
| 8 | * by the Free Software Foundation; either version 2 of the License, |
| 9 | * or (at your option) any later version. |
| 10 | * |
| 11 | * nsxiv is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with nsxiv. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #include "nsxiv.h" |
| 21 | |
| 22 | #include "commands.h" |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <string.h> |
| 27 | #include <sys/wait.h> |
| 28 | #include <unistd.h> |
| 29 | |
| 30 | extern img_t img; |
| 31 | extern tns_t tns; |
| 32 | extern win_t win; |
| 33 | |
| 34 | bool cg_quit(arg_t status) |
| 35 | { |
| 36 | unsigned int i; |
| 37 | |
| 38 | if (options->to_stdout && markcnt > 0) { |
| 39 | for (i = 0; i < (unsigned int)filecnt; i++) { |
| 40 | if (files[i].flags & FF_MARK) |
| 41 | printf("%s%c", files[i].name, options->using_null ? '\0' : '\n'); |
| 42 | } |
| 43 | } |
| 44 | exit(status); |
| 45 | return None; /* silence tcc warning */ |
| 46 | } |
| 47 | |
| 48 | bool cg_switch_mode(arg_t _) |
| 49 | { |
| 50 | if (mode == MODE_IMAGE) { |
| 51 | if (tns.thumbs == NULL) |
| 52 | tns_init(&tns, files, &filecnt, &fileidx, &win); |
| 53 | img_close(&img, false); |
| 54 | reset_timeout(reset_cursor); |
| 55 | if (img.ss.on) { |
| 56 | img.ss.on = false; |
| 57 | reset_timeout(slideshow); |
| 58 | } |
| 59 | tns.dirty = true; |
| 60 | mode = MODE_THUMB; |
| 61 | } else { |
| 62 | load_image(fileidx); |
| 63 | mode = MODE_IMAGE; |
| 64 | } |
| 65 | close_info(); |
| 66 | open_info(); |
| 67 | title_dirty = true; |
| 68 | return true; |
| 69 | } |
| 70 | |
| 71 | bool cg_toggle_fullscreen(arg_t _) |
| 72 | { |
| 73 | win_toggle_fullscreen(&win); |
| 74 | /* redraw after next ConfigureNotify event */ |
| 75 | set_timeout(redraw, TO_REDRAW_RESIZE, false); |
| 76 | if (mode == MODE_IMAGE) |
| 77 | img.checkpan = img.dirty = true; |
| 78 | else |
| 79 | tns.dirty = true; |
| 80 | return false; |
| 81 | } |
| 82 | |
| 83 | bool cg_toggle_bar(arg_t _) |
| 84 | { |
| 85 | win_toggle_bar(&win); |
| 86 | if (mode == MODE_IMAGE) { |
| 87 | if (win.bar.h > 0) |
| 88 | open_info(); |
| 89 | else |
| 90 | close_info(); |
| 91 | img.checkpan = img.dirty = true; |
| 92 | } else { |
| 93 | tns.dirty = true; |
| 94 | } |
| 95 | return true; |
| 96 | } |
| 97 | |
| 98 | bool cg_prefix_external(arg_t _) |
| 99 | { |
| 100 | handle_key_handler(true); |
| 101 | return false; |
| 102 | } |
| 103 | |
| 104 | bool cg_reload_image(arg_t _) |
| 105 | { |
| 106 | if (mode == MODE_IMAGE) { |
| 107 | load_image(fileidx); |
| 108 | } else { |
| 109 | win_set_cursor(&win, CURSOR_WATCH); |
| 110 | if (!tns_load(&tns, fileidx, true, false)) { |
| 111 | remove_file(fileidx, false); |
| 112 | tns.dirty = true; |
| 113 | } |
| 114 | } |
| 115 | return true; |
| 116 | } |
| 117 | |
| 118 | bool cg_remove_image(arg_t _) |
| 119 | { |
| 120 | remove_file(fileidx, true); |
| 121 | if (mode == MODE_IMAGE) |
| 122 | load_image(fileidx); |
| 123 | else |
| 124 | tns.dirty = true; |
| 125 | return true; |
| 126 | } |
| 127 | |
| 128 | bool cg_first(arg_t _) |
| 129 | { |
| 130 | if (mode == MODE_IMAGE && fileidx != 0) { |
| 131 | load_image(0); |
| 132 | return true; |
| 133 | } else if (mode == MODE_THUMB && fileidx != 0) { |
| 134 | fileidx = 0; |
| 135 | tns.dirty = true; |
| 136 | return true; |
| 137 | } else { |
| 138 | return false; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | bool cg_n_or_last(arg_t _) |
| 143 | { |
| 144 | int n = prefix != 0 && prefix - 1 < filecnt ? prefix - 1 : filecnt - 1; |
| 145 | |
| 146 | if (mode == MODE_IMAGE && fileidx != n) { |
| 147 | load_image(n); |
| 148 | return true; |
| 149 | } else if (mode == MODE_THUMB && fileidx != n) { |
| 150 | fileidx = n; |
| 151 | tns.dirty = true; |
| 152 | return true; |
| 153 | } else { |
| 154 | return false; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | bool cg_scroll_screen(arg_t dir) |
| 159 | { |
| 160 | if (mode == MODE_IMAGE) |
| 161 | return img_pan(&img, dir, -1); |
| 162 | else |
| 163 | return tns_scroll(&tns, dir, true); |
| 164 | } |
| 165 | |
| 166 | bool cg_zoom(arg_t d) |
| 167 | { |
| 168 | if (mode == MODE_THUMB) |
| 169 | return tns_zoom(&tns, d); |
| 170 | else |
| 171 | return img_zoom(&img, d); |
| 172 | } |
| 173 | |
| 174 | bool cg_toggle_image_mark(arg_t _) |
| 175 | { |
| 176 | return mark_image(fileidx, !(files[fileidx].flags & FF_MARK)); |
| 177 | } |
| 178 | |
| 179 | bool cg_reverse_marks(arg_t _) |
| 180 | { |
| 181 | int i; |
| 182 | |
| 183 | for (i = 0; i < filecnt; i++) { |
| 184 | files[i].flags ^= FF_MARK; |
| 185 | markcnt += files[i].flags & FF_MARK ? 1 : -1; |
| 186 | } |
| 187 | if (mode == MODE_THUMB) |
| 188 | tns.dirty = true; |
| 189 | return true; |
| 190 | } |
| 191 | |
| 192 | bool cg_mark_range(arg_t _) |
| 193 | { |
| 194 | int d = markidx < fileidx ? 1 : -1, end, i; |
| 195 | bool dirty = false, on = !!(files[markidx].flags & FF_MARK); |
| 196 | |
| 197 | for (i = markidx + d, end = fileidx + d; i != end; i += d) |
| 198 | dirty |= mark_image(i, on); |
| 199 | return dirty; |
| 200 | } |
| 201 | |
| 202 | bool cg_unmark_all(arg_t _) |
| 203 | { |
| 204 | int i; |
| 205 | |
| 206 | for (i = 0; i < filecnt; i++) |
| 207 | files[i].flags &= ~FF_MARK; |
| 208 | markcnt = 0; |
| 209 | if (mode == MODE_THUMB) |
| 210 | tns.dirty = true; |
| 211 | return true; |
| 212 | } |
| 213 | |
| 214 | bool cg_navigate_marked(arg_t n) |
| 215 | { |
| 216 | int d, i; |
| 217 | int new = fileidx; |
| 218 | |
| 219 | if (prefix > 0) |
| 220 | n *= prefix; |
| 221 | d = n > 0 ? 1 : -1; |
| 222 | for (i = fileidx + d; n != 0 && i >= 0 && i < filecnt; i += d) { |
| 223 | if (files[i].flags & FF_MARK) { |
| 224 | n -= d; |
| 225 | new = i; |
| 226 | } |
| 227 | } |
| 228 | if (new != fileidx) { |
| 229 | if (mode == MODE_IMAGE) { |
| 230 | load_image(new); |
| 231 | } else { |
| 232 | fileidx = new; |
| 233 | tns.dirty = true; |
| 234 | } |
| 235 | return true; |
| 236 | } else { |
| 237 | return false; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | bool cg_change_gamma(arg_t d) |
| 242 | { |
| 243 | if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) { |
| 244 | if (mode == MODE_THUMB) |
| 245 | tns.dirty = true; |
| 246 | return true; |
| 247 | } else { |
| 248 | return false; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | bool ci_navigate(arg_t n) |
| 253 | { |
| 254 | if (prefix > 0) |
| 255 | n *= prefix; |
| 256 | n += fileidx; |
| 257 | n = MAX(0, MIN(n, filecnt - 1)); |
| 258 | |
| 259 | if (n != fileidx) { |
| 260 | load_image(n); |
| 261 | return true; |
| 262 | } else { |
| 263 | return false; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | bool ci_cursor_navigate(arg_t _) |
| 268 | { |
| 269 | return ci_navigate(nav_button() - 1); |
| 270 | } |
| 271 | |
| 272 | bool ci_alternate(arg_t _) |
| 273 | { |
| 274 | load_image(alternate); |
| 275 | return true; |
| 276 | } |
| 277 | |
| 278 | bool ci_navigate_frame(arg_t d) |
| 279 | { |
| 280 | if (prefix > 0) |
| 281 | d *= prefix; |
| 282 | return !img.multi.animate && img_frame_navigate(&img, d); |
| 283 | } |
| 284 | |
| 285 | bool ci_toggle_animation(arg_t _) |
| 286 | { |
| 287 | bool dirty = false; |
| 288 | |
| 289 | if (img.multi.cnt > 0) { |
| 290 | img.multi.animate = !img.multi.animate; |
| 291 | if (img.multi.animate) { |
| 292 | dirty = img_frame_animate(&img); |
| 293 | set_timeout(animate, img.multi.frames[img.multi.sel].delay, true); |
| 294 | } else { |
| 295 | reset_timeout(animate); |
| 296 | } |
| 297 | } |
| 298 | return dirty; |
| 299 | } |
| 300 | |
| 301 | bool ci_scroll(arg_t dir) |
| 302 | { |
| 303 | return img_pan(&img, dir, prefix); |
| 304 | } |
| 305 | |
| 306 | bool ci_scroll_to_center(arg_t _) |
| 307 | { |
| 308 | return img_pan_center(&img); |
| 309 | } |
| 310 | |
| 311 | bool ci_scroll_to_edge(arg_t dir) |
| 312 | { |
| 313 | return img_pan_edge(&img, dir); |
| 314 | } |
| 315 | |
| 316 | bool ci_drag(arg_t drag_mode) |
| 317 | { |
| 318 | int x, y, ox, oy; |
| 319 | float px, py; |
| 320 | XEvent e; |
| 321 | |
| 322 | if ((int)(img.w * img.zoom) <= (int)win.w && (int)(img.h * img.zoom) <= (int)win.h) |
| 323 | return false; |
| 324 | |
| 325 | win_set_cursor(&win, drag_mode == DRAG_ABSOLUTE ? CURSOR_DRAG_ABSOLUTE : CURSOR_DRAG_RELATIVE); |
| 326 | win_cursor_pos(&win, &x, &y); |
| 327 | ox = x; |
| 328 | oy = y; |
| 329 | |
| 330 | while (true) { |
| 331 | if (drag_mode == DRAG_ABSOLUTE) { |
| 332 | px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8) |
| 333 | * (win.w - img.w * img.zoom); |
| 334 | py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8) |
| 335 | * (win.h - img.h * img.zoom); |
| 336 | } else { |
| 337 | px = img.x + x - ox; |
| 338 | py = img.y + y - oy; |
| 339 | } |
| 340 | |
| 341 | if (img_pos(&img, px, py)) { |
| 342 | img_render(&img); |
| 343 | win_draw(&win); |
| 344 | } |
| 345 | XMaskEvent(win.env.dpy, |
| 346 | ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e); |
| 347 | if (e.type == ButtonPress || e.type == ButtonRelease) |
| 348 | break; |
| 349 | while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e)); |
| 350 | ox = x; |
| 351 | oy = y; |
| 352 | x = e.xmotion.x; |
| 353 | y = e.xmotion.y; |
| 354 | } |
| 355 | set_timeout(reset_cursor, TO_CURSOR_HIDE, true); |
| 356 | reset_cursor(); |
| 357 | |
| 358 | return true; |
| 359 | } |
| 360 | |
| 361 | bool ci_set_zoom(arg_t zl) |
| 362 | { |
| 363 | return img_zoom_to(&img, (prefix ? prefix : zl) / 100.0); |
| 364 | } |
| 365 | |
| 366 | bool ci_fit_to_win(arg_t sm) |
| 367 | { |
| 368 | return img_fit_win(&img, sm); |
| 369 | } |
| 370 | |
| 371 | bool ci_rotate(arg_t degree) |
| 372 | { |
| 373 | img_rotate(&img, degree); |
| 374 | return true; |
| 375 | } |
| 376 | |
| 377 | bool ci_flip(arg_t dir) |
| 378 | { |
| 379 | img_flip(&img, dir); |
| 380 | return true; |
| 381 | } |
| 382 | |
| 383 | bool ci_toggle_antialias(arg_t _) |
| 384 | { |
| 385 | img_toggle_antialias(&img); |
| 386 | return true; |
| 387 | } |
| 388 | |
| 389 | bool ci_toggle_alpha(arg_t _) |
| 390 | { |
| 391 | img.alpha = !img.alpha; |
| 392 | img.dirty = true; |
| 393 | return true; |
| 394 | } |
| 395 | |
| 396 | bool ci_slideshow(arg_t _) |
| 397 | { |
| 398 | if (prefix > 0) { |
| 399 | img.ss.on = true; |
| 400 | img.ss.delay = prefix * 10; |
| 401 | set_timeout(slideshow, img.ss.delay * 100, true); |
| 402 | } else if (img.ss.on) { |
| 403 | img.ss.on = false; |
| 404 | reset_timeout(slideshow); |
| 405 | } else { |
| 406 | img.ss.on = true; |
| 407 | } |
| 408 | return true; |
| 409 | } |
| 410 | |
| 411 | bool ct_move_sel(arg_t dir) |
| 412 | { |
| 413 | bool dirty = tns_move_selection(&tns, dir, prefix); |
| 414 | if (dirty) { |
| 415 | close_info(); |
| 416 | open_info(); |
| 417 | } |
| 418 | return dirty; |
| 419 | } |
| 420 | |
| 421 | bool ct_reload_all(arg_t _) |
| 422 | { |
| 423 | tns_free(&tns); |
| 424 | tns_init(&tns, files, &filecnt, &fileidx, &win); |
| 425 | tns.dirty = true; |
| 426 | return true; |
| 427 | } |
| 428 | |
| 429 | bool ct_scroll(arg_t dir) |
| 430 | { |
| 431 | return tns_scroll(&tns, dir, false); |
| 432 | } |
| 433 | |
| 434 | bool ct_drag_mark_image(arg_t _) |
| 435 | { |
| 436 | int sel; |
| 437 | |
| 438 | if ((sel = tns_translate(&tns, xbutton_ev->x, xbutton_ev->y)) >= 0) { |
| 439 | XEvent e; |
| 440 | bool on = !(files[sel].flags & FF_MARK); |
| 441 | |
| 442 | while (true) { |
| 443 | if (sel >= 0 && mark_image(sel, on)) |
| 444 | redraw(); |
| 445 | XMaskEvent(win.env.dpy, |
| 446 | ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e); |
| 447 | if (e.type == ButtonPress || e.type == ButtonRelease) |
| 448 | break; |
| 449 | while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e)); |
| 450 | sel = tns_translate(&tns, e.xbutton.x, e.xbutton.y); |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | return false; |
| 455 | } |
| 456 | |
| 457 | bool ct_select(arg_t _) |
| 458 | { |
| 459 | int sel; |
| 460 | bool dirty = false; |
| 461 | static Time firstclick; |
| 462 | |
| 463 | if ((sel = tns_translate(&tns, xbutton_ev->x, xbutton_ev->y)) >= 0) { |
| 464 | if (sel != fileidx) { |
| 465 | tns_highlight(&tns, fileidx, false); |
| 466 | tns_highlight(&tns, sel, true); |
| 467 | fileidx = sel; |
| 468 | firstclick = xbutton_ev->time; |
| 469 | dirty = true; |
| 470 | } else if (xbutton_ev->time - firstclick <= TO_DOUBLE_CLICK) { |
| 471 | mode = MODE_IMAGE; |
| 472 | set_timeout(reset_cursor, TO_CURSOR_HIDE, true); |
| 473 | load_image(fileidx); |
| 474 | dirty = true; |
| 475 | } else { |
| 476 | firstclick = xbutton_ev->time; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | return dirty; |
| 481 | } |