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nsxivcommands.c

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1/* Copyright 2011, 2012, 2014 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#include "sxiv.h"
20#define _IMAGE_CONFIG
21#include "config.h"
22
23#include <stdlib.h>
24#include <string.h>
25#include <unistd.h>
26#include <sys/wait.h>
27
28void remove_file(int, bool);
29void load_image(int);
30void close_info(void);
31void open_info(void);
32int ptr_third_x(void);
33void redraw(void);
34void reset_cursor(void);
35void animate(void);
36void slideshow(void);
37void set_timeout(timeout_f, int, bool);
38void reset_timeout(timeout_f);
39
40extern appmode_t mode;
41extern img_t img;
42extern tns_t tns;
43extern win_t win;
44
45extern fileinfo_t *files;
46extern int filecnt, fileidx;
47extern int alternate;
48extern int markcnt;
49extern int markidx;
50
51extern int prefix;
52extern bool extprefix;
53
54bool cg_quit(arg_t _)
55{
56 unsigned int i;
57
58 if (options->to_stdout && markcnt > 0) {
59 for (i = 0; i < filecnt; i++) {
60 if (files[i].flags & FF_MARK)
61 printf("%s\n", files[i].name);
62 }
63 }
64 exit(EXIT_SUCCESS);
65}
66
67bool cg_switch_mode(arg_t _)
68{
69 if (mode == MODE_IMAGE) {
70 if (tns.thumbs == NULL)
71 tns_init(&tns, files, &filecnt, &fileidx, &win);
72 img_close(&img, false);
73 reset_timeout(reset_cursor);
74 if (img.ss.on) {
75 img.ss.on = false;
76 reset_timeout(slideshow);
77 }
78 tns.dirty = true;
79 mode = MODE_THUMB;
80 } else {
81 load_image(fileidx);
82 mode = MODE_IMAGE;
83 }
84 return true;
85}
86
87bool cg_toggle_fullscreen(arg_t _)
88{
89 win_toggle_fullscreen(&win);
90 /* redraw after next ConfigureNotify event */
91 set_timeout(redraw, TO_REDRAW_RESIZE, false);
92 if (mode == MODE_IMAGE)
93 img.checkpan = img.dirty = true;
94 else
95 tns.dirty = true;
96 return false;
97}
98
99bool cg_toggle_bar(arg_t _)
100{
101 win_toggle_bar(&win);
102 if (mode == MODE_IMAGE) {
103 if (win.bar.h > 0)
104 open_info();
105 else
106 close_info();
107 img.checkpan = img.dirty = true;
108 } else {
109 tns.dirty = true;
110 }
111 return true;
112}
113
114bool cg_prefix_external(arg_t _)
115{
116 extprefix = true;
117 return false;
118}
119
120bool cg_reload_image(arg_t _)
121{
122 if (mode == MODE_IMAGE) {
123 load_image(fileidx);
124 } else {
125 win_set_cursor(&win, CURSOR_WATCH);
126 if (!tns_load(&tns, fileidx, true, false)) {
127 remove_file(fileidx, false);
128 tns.dirty = true;
129 }
130 }
131 return true;
132}
133
134bool cg_remove_image(arg_t _)
135{
136 remove_file(fileidx, true);
137 if (mode == MODE_IMAGE)
138 load_image(fileidx);
139 else
140 tns.dirty = true;
141 return true;
142}
143
144bool cg_first(arg_t _)
145{
146 if (mode == MODE_IMAGE && fileidx != 0) {
147 load_image(0);
148 return true;
149 } else if (mode == MODE_THUMB && fileidx != 0) {
150 fileidx = 0;
151 tns.dirty = true;
152 return true;
153 } else {
154 return false;
155 }
156}
157
158bool cg_n_or_last(arg_t _)
159{
160 int n = prefix != 0 && prefix - 1 < filecnt ? prefix - 1 : filecnt - 1;
161
162 if (mode == MODE_IMAGE && fileidx != n) {
163 load_image(n);
164 return true;
165 } else if (mode == MODE_THUMB && fileidx != n) {
166 fileidx = n;
167 tns.dirty = true;
168 return true;
169 } else {
170 return false;
171 }
172}
173
174bool cg_scroll_screen(arg_t dir)
175{
176 if (mode == MODE_IMAGE)
177 return img_pan(&img, dir, -1);
178 else
179 return tns_scroll(&tns, dir, true);
180}
181
182bool cg_zoom(arg_t d)
183{
184 if (mode == MODE_THUMB)
185 return tns_zoom(&tns, d);
186 else if (d > 0)
187 return img_zoom_in(&img);
188 else if (d < 0)
189 return img_zoom_out(&img);
190 else
191 return false;
192}
193
194bool cg_toggle_image_mark(arg_t _)
195{
196 files[fileidx].flags ^= FF_MARK;
197 markcnt += files[fileidx].flags & FF_MARK ? 1 : -1;
198 if (mode == MODE_THUMB)
199 tns_mark(&tns, fileidx, !!(files[fileidx].flags & FF_MARK));
200 markidx = fileidx;
201 return true;
202}
203
204bool cg_reverse_marks(arg_t _)
205{
206 int i;
207
208 for (i = 0; i < filecnt; i++) {
209 files[i].flags ^= FF_MARK;
210 markcnt += files[i].flags & FF_MARK ? 1 : -1;
211 }
212 if (mode == MODE_THUMB)
213 tns.dirty = true;
214 return true;
215}
216
217bool cg_mark_range(arg_t _)
218{
219 int i, from, to;
220
221 from = markidx;
222 to = fileidx;
223 if (fileidx < markidx) {
224 from = fileidx;
225 to = markidx;
226 }
227 for (i = from; i <= to; i++) {
228 if (files[markidx].flags & FF_MARK) {
229 if (!(files[i].flags & FF_MARK)) {
230 files[i].flags |= FF_MARK;
231 markcnt += 1;
232 }
233 } else {
234 if (files[i].flags & FF_MARK) {
235 files[i].flags &= ~FF_MARK;
236 markcnt -= 1;
237 }
238 }
239 if (mode == MODE_THUMB)
240 tns_mark(&tns, i, !!(files[i].flags & FF_MARK));
241 }
242 return true;
243}
244
245bool cg_unmark_all(arg_t _)
246{
247 int i;
248
249 for (i = 0; i < filecnt; i++)
250 files[i].flags &= ~FF_MARK;
251 markcnt = 0;
252 if (mode == MODE_THUMB)
253 tns.dirty = true;
254 return true;
255}
256
257bool cg_navigate_marked(arg_t n)
258{
259 int d, i;
260 int new = fileidx;
261
262 if (prefix > 0)
263 n *= prefix;
264 d = n > 0 ? 1 : -1;
265 for (i = fileidx + d; n != 0 && i >= 0 && i < filecnt; i += d) {
266 if (files[i].flags & FF_MARK) {
267 n -= d;
268 new = i;
269 }
270 }
271 if (new != fileidx) {
272 if (mode == MODE_IMAGE) {
273 load_image(new);
274 } else {
275 fileidx = new;
276 tns.dirty = true;
277 }
278 return true;
279 } else {
280 return false;
281 }
282}
283
284bool cg_change_gamma(arg_t d)
285{
286 if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) {
287 if (mode == MODE_THUMB)
288 tns.dirty = true;
289 return true;
290 } else {
291 return false;
292 }
293}
294
295bool ci_navigate(arg_t n)
296{
297 if (prefix > 0)
298 n *= prefix;
299 n += fileidx;
300 if (n < 0)
301 n = 0;
302 if (n >= filecnt)
303 n = filecnt - 1;
304
305 if (n != fileidx) {
306 load_image(n);
307 return true;
308 } else {
309 return false;
310 }
311}
312
313bool ci_cursor_navigate(arg_t _)
314{
315 return ci_navigate(ptr_third_x() - 1);
316}
317
318bool ci_alternate(arg_t _)
319{
320 load_image(alternate);
321 return true;
322}
323
324bool ci_navigate_frame(arg_t d)
325{
326 if (prefix > 0)
327 d *= prefix;
328 return !img.multi.animate && img_frame_navigate(&img, d);
329}
330
331bool ci_toggle_animation(arg_t _)
332{
333 bool dirty = false;
334
335 if (img.multi.cnt > 0) {
336 img.multi.animate = !img.multi.animate;
337 if (img.multi.animate) {
338 dirty = img_frame_animate(&img);
339 set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
340 } else {
341 reset_timeout(animate);
342 }
343 }
344 return dirty;
345}
346
347bool ci_scroll(arg_t dir)
348{
349 return img_pan(&img, dir, prefix);
350}
351
352bool ci_scroll_to_edge(arg_t dir)
353{
354 return img_pan_edge(&img, dir);
355}
356
357bool ci_drag(arg_t mode)
358{
359 int x, y, ox, oy;
360 float px, py;
361 XEvent e;
362
363 if ((int)(img.w * img.zoom) <= win.w && (int)(img.h * img.zoom) <= win.h)
364 return false;
365
366 win_set_cursor(&win, CURSOR_DRAG);
367
368 win_cursor_pos(&win, &x, &y);
369 ox = x;
370 oy = y;
371
372 for (;;) {
373 if (mode == DRAG_ABSOLUTE) {
374 px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8)
375 * (win.w - img.w * img.zoom);
376 py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8)
377 * (win.h - img.h * img.zoom);
378 } else {
379 px = img.x + x - ox;
380 py = img.y + y - oy;
381 }
382
383 if (img_pos(&img, px, py)) {
384 img_render(&img);
385 win_draw(&win);
386 }
387 XMaskEvent(win.env.dpy,
388 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e);
389 if (e.type == ButtonPress || e.type == ButtonRelease)
390 break;
391 while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e));
392 ox = x;
393 oy = y;
394 x = e.xmotion.x;
395 y = e.xmotion.y;
396 }
397 set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
398 reset_cursor();
399
400 return true;
401}
402
403bool ci_set_zoom(arg_t zl)
404{
405 return img_zoom(&img, (prefix ? prefix : zl) / 100.0);
406}
407
408bool ci_fit_to_win(arg_t sm)
409{
410 return img_fit_win(&img, sm);
411}
412
413bool ci_rotate(arg_t degree)
414{
415 img_rotate(&img, degree);
416 return true;
417}
418
419bool ci_flip(arg_t dir)
420{
421 img_flip(&img, dir);
422 return true;
423}
424
425bool ci_toggle_antialias(arg_t _)
426{
427 img_toggle_antialias(&img);
428 return true;
429}
430
431bool ci_toggle_alpha(arg_t _)
432{
433 img.alpha = !img.alpha;
434 img.dirty = true;
435 return true;
436}
437
438bool ci_slideshow(arg_t _)
439{
440 if (prefix > 0) {
441 img.ss.on = true;
442 img.ss.delay = prefix * 10;
443 set_timeout(slideshow, img.ss.delay * 100, true);
444 } else if (img.ss.on) {
445 img.ss.on = false;
446 reset_timeout(slideshow);
447 } else {
448 img.ss.on = true;
449 }
450 return true;
451}
452
453bool ct_move_sel(arg_t dir)
454{
455 return tns_move_selection(&tns, dir, prefix);
456}
457
458bool ct_reload_all(arg_t _)
459{
460 tns_free(&tns);
461 tns_init(&tns, files, &filecnt, &fileidx, &win);
462 tns.dirty = true;
463 return true;
464}
465
466
467#undef G_CMD
468#define G_CMD(c) { -1, cg_##c },
469#undef I_CMD
470#define I_CMD(c) { MODE_IMAGE, ci_##c },
471#undef T_CMD
472#define T_CMD(c) { MODE_THUMB, ct_##c },
473
474const cmd_t cmds[CMD_COUNT] = {
475#include "commands.lst"
476};
477