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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, end, i;
216 bool dirty = false, on = !!(files[markidx].flags & FF_MARK);
217
218 for (i = markidx + d, end = fileidx + d; i != end; i += d)
219 dirty |= mark_image(i, on);
220 return dirty;
221}
222
223bool cg_unmark_all(arg_t _)
224{
225 int i;
226
227 for (i = 0; i < filecnt; i++)
228 files[i].flags &= ~FF_MARK;
229 markcnt = 0;
230 if (mode == MODE_THUMB)
231 tns.dirty = true;
232 return true;
233}
234
235bool cg_navigate_marked(arg_t n)
236{
237 int d, i;
238 int new = fileidx;
239
240 if (prefix > 0)
241 n *= prefix;
242 d = n > 0 ? 1 : -1;
243 for (i = fileidx + d; n != 0 && i >= 0 && i < filecnt; i += d) {
244 if (files[i].flags & FF_MARK) {
245 n -= d;
246 new = i;
247 }
248 }
249 if (new != fileidx) {
250 if (mode == MODE_IMAGE) {
251 load_image(new);
252 } else {
253 fileidx = new;
254 tns.dirty = true;
255 }
256 return true;
257 } else {
258 return false;
259 }
260}
261
262bool cg_change_gamma(arg_t d)
263{
264 if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) {
265 if (mode == MODE_THUMB)
266 tns.dirty = true;
267 return true;
268 } else {
269 return false;
270 }
271}
272
273bool ci_navigate(arg_t n)
274{
275 if (prefix > 0)
276 n *= prefix;
277 n += fileidx;
278 if (n < 0)
279 n = 0;
280 if (n >= filecnt)
281 n = filecnt - 1;
282
283 if (n != fileidx) {
284 load_image(n);
285 return true;
286 } else {
287 return false;
288 }
289}
290
291bool ci_cursor_navigate(arg_t _)
292{
293 return ci_navigate(ptr_third_x() - 1);
294}
295
296bool ci_alternate(arg_t _)
297{
298 load_image(alternate);
299 return true;
300}
301
302bool ci_navigate_frame(arg_t d)
303{
304 if (prefix > 0)
305 d *= prefix;
306 return !img.multi.animate && img_frame_navigate(&img, d);
307}
308
309bool ci_toggle_animation(arg_t _)
310{
311 bool dirty = false;
312
313 if (img.multi.cnt > 0) {
314 img.multi.animate = !img.multi.animate;
315 if (img.multi.animate) {
316 dirty = img_frame_animate(&img);
317 set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
318 } else {
319 reset_timeout(animate);
320 }
321 }
322 return dirty;
323}
324
325bool ci_scroll(arg_t dir)
326{
327 return img_pan(&img, dir, prefix);
328}
329
330bool ci_scroll_to_edge(arg_t dir)
331{
332 return img_pan_edge(&img, dir);
333}
334
335bool ci_drag(arg_t mode)
336{
337 int x, y, ox, oy;
338 float px, py;
339 XEvent e;
340
341 if ((int)(img.w * img.zoom) <= win.w && (int)(img.h * img.zoom) <= win.h)
342 return false;
343
344 win_set_cursor(&win, CURSOR_DRAG);
345
346 win_cursor_pos(&win, &x, &y);
347 ox = x;
348 oy = y;
349
350 for (;;) {
351 if (mode == DRAG_ABSOLUTE) {
352 px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8)
353 * (win.w - img.w * img.zoom);
354 py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8)
355 * (win.h - img.h * img.zoom);
356 } else {
357 px = img.x + x - ox;
358 py = img.y + y - oy;
359 }
360
361 if (img_pos(&img, px, py)) {
362 img_render(&img);
363 win_draw(&win);
364 }
365 XMaskEvent(win.env.dpy,
366 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e);
367 if (e.type == ButtonPress || e.type == ButtonRelease)
368 break;
369 while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e));
370 ox = x;
371 oy = y;
372 x = e.xmotion.x;
373 y = e.xmotion.y;
374 }
375 set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
376 reset_cursor();
377
378 return true;
379}
380
381bool ci_set_zoom(arg_t zl)
382{
383 return img_zoom(&img, (prefix ? prefix : zl) / 100.0);
384}
385
386bool ci_fit_to_win(arg_t sm)
387{
388 return img_fit_win(&img, sm);
389}
390
391bool ci_rotate(arg_t degree)
392{
393 img_rotate(&img, degree);
394 return true;
395}
396
397bool ci_flip(arg_t dir)
398{
399 img_flip(&img, dir);
400 return true;
401}
402
403bool ci_toggle_antialias(arg_t _)
404{
405 img_toggle_antialias(&img);
406 return true;
407}
408
409bool ci_toggle_alpha(arg_t _)
410{
411 img.alpha = !img.alpha;
412 img.dirty = true;
413 return true;
414}
415
416bool ci_slideshow(arg_t _)
417{
418 if (prefix > 0) {
419 img.ss.on = true;
420 img.ss.delay = prefix * 10;
421 set_timeout(slideshow, img.ss.delay * 100, true);
422 } else if (img.ss.on) {
423 img.ss.on = false;
424 reset_timeout(slideshow);
425 } else {
426 img.ss.on = true;
427 }
428 return true;
429}
430
431bool ct_move_sel(arg_t dir)
432{
433 return tns_move_selection(&tns, dir, prefix);
434}
435
436bool ct_reload_all(arg_t _)
437{
438 tns_free(&tns);
439 tns_init(&tns, files, &filecnt, &fileidx, &win);
440 tns.dirty = true;
441 return true;
442}
443
444
445#undef G_CMD
446#define G_CMD(c) { -1, cg_##c },
447#undef I_CMD
448#define I_CMD(c) { MODE_IMAGE, ci_##c },
449#undef T_CMD
450#define T_CMD(c) { MODE_THUMB, ct_##c },
451
452const cmd_t cmds[CMD_COUNT] = {
453#include "commands.lst"
454};
455