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