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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, d = fileidx < markidx ? 1 : -1;
220 int flag = files[markidx].flags & FF_MARK;
221 int oldmarkcnt = markcnt;
222
223 for (i = fileidx; i != markidx; i += d) {
224 if ((files[i].flags & FF_MARK) ^ flag) {
225 files[i].flags = (files[i].flags & ~FF_MARK) | flag;
226 markcnt += flag ? 1 : -1;
227 if (mode == MODE_THUMB)
228 tns_mark(&tns, i, !!flag);
229 }
230 }
231 return markcnt != oldmarkcnt;
232}
233
234bool cg_unmark_all(arg_t _)
235{
236 int i;
237
238 for (i = 0; i < filecnt; i++)
239 files[i].flags &= ~FF_MARK;
240 markcnt = 0;
241 if (mode == MODE_THUMB)
242 tns.dirty = true;
243 return true;
244}
245
246bool cg_navigate_marked(arg_t n)
247{
248 int d, i;
249 int new = fileidx;
250
251 if (prefix > 0)
252 n *= prefix;
253 d = n > 0 ? 1 : -1;
254 for (i = fileidx + d; n != 0 && i >= 0 && i < filecnt; i += d) {
255 if (files[i].flags & FF_MARK) {
256 n -= d;
257 new = i;
258 }
259 }
260 if (new != fileidx) {
261 if (mode == MODE_IMAGE) {
262 load_image(new);
263 } else {
264 fileidx = new;
265 tns.dirty = true;
266 }
267 return true;
268 } else {
269 return false;
270 }
271}
272
273bool cg_change_gamma(arg_t d)
274{
275 if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) {
276 if (mode == MODE_THUMB)
277 tns.dirty = true;
278 return true;
279 } else {
280 return false;
281 }
282}
283
284bool ci_navigate(arg_t n)
285{
286 if (prefix > 0)
287 n *= prefix;
288 n += fileidx;
289 if (n < 0)
290 n = 0;
291 if (n >= filecnt)
292 n = filecnt - 1;
293
294 if (n != fileidx) {
295 load_image(n);
296 return true;
297 } else {
298 return false;
299 }
300}
301
302bool ci_cursor_navigate(arg_t _)
303{
304 return ci_navigate(ptr_third_x() - 1);
305}
306
307bool ci_alternate(arg_t _)
308{
309 load_image(alternate);
310 return true;
311}
312
313bool ci_navigate_frame(arg_t d)
314{
315 if (prefix > 0)
316 d *= prefix;
317 return !img.multi.animate && img_frame_navigate(&img, d);
318}
319
320bool ci_toggle_animation(arg_t _)
321{
322 bool dirty = false;
323
324 if (img.multi.cnt > 0) {
325 img.multi.animate = !img.multi.animate;
326 if (img.multi.animate) {
327 dirty = img_frame_animate(&img);
328 set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
329 } else {
330 reset_timeout(animate);
331 }
332 }
333 return dirty;
334}
335
336bool ci_scroll(arg_t dir)
337{
338 return img_pan(&img, dir, prefix);
339}
340
341bool ci_scroll_to_edge(arg_t dir)
342{
343 return img_pan_edge(&img, dir);
344}
345
346bool ci_drag(arg_t mode)
347{
348 int x, y, ox, oy;
349 float px, py;
350 XEvent e;
351
352 if ((int)(img.w * img.zoom) <= win.w && (int)(img.h * img.zoom) <= win.h)
353 return false;
354
355 win_set_cursor(&win, CURSOR_DRAG);
356
357 win_cursor_pos(&win, &x, &y);
358 ox = x;
359 oy = y;
360
361 for (;;) {
362 if (mode == DRAG_ABSOLUTE) {
363 px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8)
364 * (win.w - img.w * img.zoom);
365 py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8)
366 * (win.h - img.h * img.zoom);
367 } else {
368 px = img.x + x - ox;
369 py = img.y + y - oy;
370 }
371
372 if (img_pos(&img, px, py)) {
373 img_render(&img);
374 win_draw(&win);
375 }
376 XMaskEvent(win.env.dpy,
377 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e);
378 if (e.type == ButtonPress || e.type == ButtonRelease)
379 break;
380 while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e));
381 ox = x;
382 oy = y;
383 x = e.xmotion.x;
384 y = e.xmotion.y;
385 }
386 set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
387 reset_cursor();
388
389 return true;
390}
391
392bool ci_set_zoom(arg_t zl)
393{
394 return img_zoom(&img, (prefix ? prefix : zl) / 100.0);
395}
396
397bool ci_fit_to_win(arg_t sm)
398{
399 return img_fit_win(&img, sm);
400}
401
402bool ci_rotate(arg_t degree)
403{
404 img_rotate(&img, degree);
405 return true;
406}
407
408bool ci_flip(arg_t dir)
409{
410 img_flip(&img, dir);
411 return true;
412}
413
414bool ci_toggle_antialias(arg_t _)
415{
416 img_toggle_antialias(&img);
417 return true;
418}
419
420bool ci_toggle_alpha(arg_t _)
421{
422 img.alpha = !img.alpha;
423 img.dirty = true;
424 return true;
425}
426
427bool ci_slideshow(arg_t _)
428{
429 if (prefix > 0) {
430 img.ss.on = true;
431 img.ss.delay = prefix * 10;
432 set_timeout(slideshow, img.ss.delay * 100, true);
433 } else if (img.ss.on) {
434 img.ss.on = false;
435 reset_timeout(slideshow);
436 } else {
437 img.ss.on = true;
438 }
439 return true;
440}
441
442bool ct_move_sel(arg_t dir)
443{
444 return tns_move_selection(&tns, dir, prefix);
445}
446
447bool ct_reload_all(arg_t _)
448{
449 tns_free(&tns);
450 tns_init(&tns, files, &filecnt, &fileidx, &win);
451 tns.dirty = true;
452 return true;
453}
454
455
456#undef G_CMD
457#define G_CMD(c) { -1, cg_##c },
458#undef I_CMD
459#define I_CMD(c) { MODE_IMAGE, ci_##c },
460#undef T_CMD
461#define T_CMD(c) { MODE_THUMB, ct_##c },
462
463const cmd_t cmds[CMD_COUNT] = {
464#include "commands.lst"
465};
466