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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 <stdlib.h>
20#include <string.h>
21#include <unistd.h>
22#include <sys/wait.h>
23
24#include "commands.h"
25#include "image.h"
26#include "options.h"
27#include "thumbs.h"
28#include "util.h"
29
30#define _IMAGE_CONFIG
31#include "config.h"
32
33void remove_file(int, bool);
34void load_image(int);
35void open_info(void);
36void redraw(void);
37void reset_cursor(void);
38void animate(void);
39void slideshow(void);
40void set_timeout(timeout_f, int, bool);
41void reset_timeout(timeout_f);
42
43extern appmode_t mode;
44extern img_t img;
45extern tns_t tns;
46extern win_t win;
47
48extern fileinfo_t *files;
49extern int filecnt, fileidx;
50extern int alternate;
51extern int markcnt;
52
53extern int prefix;
54extern bool extprefix;
55
56bool cg_quit(arg_t _)
57{
58 unsigned int i;
59
60 if (options->to_stdout && markcnt > 0) {
61 for (i = 0; i < filecnt; i++) {
62 if (files[i].flags & FF_MARK)
63 printf("%s\n", files[i].name);
64 }
65 }
66 exit(EXIT_SUCCESS);
67}
68
69bool cg_switch_mode(arg_t _)
70{
71 if (mode == MODE_IMAGE) {
72 if (tns.thumbs == NULL)
73 tns_init(&tns, files, &filecnt, &fileidx, &win);
74 img_close(&img, false);
75 reset_timeout(reset_cursor);
76 if (img.ss.on) {
77 img.ss.on = false;
78 reset_timeout(slideshow);
79 }
80 tns.dirty = true;
81 mode = MODE_THUMB;
82 } else {
83 load_image(fileidx);
84 mode = MODE_IMAGE;
85 }
86 return true;
87}
88
89bool cg_toggle_fullscreen(arg_t _)
90{
91 win_toggle_fullscreen(&win);
92 /* redraw after next ConfigureNotify event */
93 set_timeout(redraw, TO_REDRAW_RESIZE, false);
94 if (mode == MODE_IMAGE)
95 img.checkpan = img.dirty = true;
96 else
97 tns.dirty = true;
98 return false;
99}
100
101bool cg_toggle_bar(arg_t _)
102{
103 win_toggle_bar(&win);
104 if (mode == MODE_IMAGE) {
105 img.checkpan = img.dirty = true;
106 if (win.bar.h > 0)
107 open_info();
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 return true;
201}
202
203bool cg_reverse_marks(arg_t _)
204{
205 int i;
206
207 for (i = 0; i < filecnt; i++) {
208 files[i].flags ^= FF_MARK;
209 markcnt += files[i].flags & FF_MARK ? 1 : -1;
210 }
211 if (mode == MODE_THUMB)
212 tns.dirty = true;
213 return true;
214}
215
216bool cg_unmark_all(arg_t _)
217{
218 int i;
219
220 for (i = 0; i < filecnt; i++)
221 files[i].flags &= ~FF_MARK;
222 markcnt = 0;
223 if (mode == MODE_THUMB)
224 tns.dirty = true;
225 return true;
226}
227
228bool cg_navigate_marked(arg_t n)
229{
230 int d, i;
231 int new = fileidx;
232
233 if (prefix > 0)
234 n *= prefix;
235 d = n > 0 ? 1 : -1;
236 for (i = fileidx + d; n != 0 && i >= 0 && i < filecnt; i += d) {
237 if (files[i].flags & FF_MARK) {
238 n -= d;
239 new = i;
240 }
241 }
242 if (new != fileidx) {
243 if (mode == MODE_IMAGE) {
244 load_image(new);
245 } else {
246 fileidx = new;
247 tns.dirty = true;
248 }
249 return true;
250 } else {
251 return false;
252 }
253}
254
255bool cg_change_gamma(arg_t d)
256{
257 if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) {
258 if (mode == MODE_THUMB)
259 tns.dirty = true;
260 return true;
261 } else {
262 return false;
263 }
264}
265
266bool ci_navigate(arg_t n)
267{
268 if (prefix > 0)
269 n *= prefix;
270 n += fileidx;
271 if (n < 0)
272 n = 0;
273 if (n >= filecnt)
274 n = filecnt - 1;
275
276 if (n != fileidx) {
277 load_image(n);
278 return true;
279 } else {
280 return false;
281 }
282}
283
284bool ci_alternate(arg_t _)
285{
286 load_image(alternate);
287 return true;
288}
289
290bool ci_navigate_frame(arg_t d)
291{
292 return !img.multi.animate && img_frame_navigate(&img, d);
293}
294
295bool ci_toggle_animation(arg_t _)
296{
297 bool dirty = false;
298
299 if (img.multi.cnt > 0) {
300 img.multi.animate = !img.multi.animate;
301 if (img.multi.animate) {
302 dirty = img_frame_animate(&img);
303 set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
304 } else {
305 reset_timeout(animate);
306 }
307 }
308 return dirty;
309}
310
311bool ci_scroll(arg_t dir)
312{
313 return img_pan(&img, dir, prefix);
314}
315
316bool ci_scroll_to_edge(arg_t dir)
317{
318 return img_pan_edge(&img, dir);
319}
320
321/* Xlib helper function for i_drag() */
322Bool is_motionnotify(Display *d, XEvent *e, XPointer a)
323{
324 return e != NULL && e->type == MotionNotify;
325}
326
327#define WARP(x,y) \
328 XWarpPointer(win.env.dpy, None, win.xwin, 0, 0, 0, 0, x, y); \
329 ox = x, oy = y; \
330 break
331
332bool ci_drag(arg_t _)
333{
334 int dx = 0, dy = 0, i, ox, oy, x, y;
335 unsigned int ui;
336 bool dragging = true, next = false;
337 XEvent e;
338 Window w;
339
340 if (!XQueryPointer(win.env.dpy, win.xwin, &w, &w, &i, &i, &ox, &oy, &ui))
341 return false;
342
343 win_set_cursor(&win, CURSOR_HAND);
344
345 while (dragging) {
346 if (!next)
347 XMaskEvent(win.env.dpy,
348 ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e);
349 switch (e.type) {
350 case ButtonPress:
351 case ButtonRelease:
352 dragging = false;
353 break;
354 case MotionNotify:
355 x = e.xmotion.x;
356 y = e.xmotion.y;
357
358 /* wrap the mouse around */
359 if (x <= 0) {
360 WARP(win.w - 2, y);
361 } else if (x >= win.w - 1) {
362 WARP(1, y);
363 } else if (y <= 0) {
364 WARP(x, win.h - 2);
365 } else if (y >= win.h - 1) {
366 WARP(x, 1);
367 }
368 dx += x - ox;
369 dy += y - oy;
370 ox = x;
371 oy = y;
372 break;
373 }
374 if (dragging)
375 next = XCheckIfEvent(win.env.dpy, &e, is_motionnotify, None);
376 if ((!dragging || !next) && (dx != 0 || dy != 0)) {
377 if (img_move(&img, dx, dy)) {
378 img_render(&img);
379 win_draw(&win);
380 }
381 dx = dy = 0;
382 }
383 }
384 win_set_cursor(&win, CURSOR_ARROW);
385 set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
386 reset_timeout(redraw);
387
388 return true;
389}
390
391bool ci_set_zoom(arg_t zl)
392{
393 return img_zoom(&img, (prefix ? prefix : zl) / 100.0);
394}
395
396bool ci_fit_to_win(arg_t sm)
397{
398 return img_fit_win(&img, sm);
399}
400
401bool ci_rotate(arg_t degree)
402{
403 img_rotate(&img, degree);
404 return true;
405}
406
407bool ci_flip(arg_t dir)
408{
409 img_flip(&img, dir);
410 return true;
411}
412
413bool ci_toggle_antialias(arg_t _)
414{
415 img_toggle_antialias(&img);
416 return true;
417}
418
419bool ci_toggle_alpha(arg_t _)
420{
421 img.alpha = !img.alpha;
422 img.dirty = true;
423 return true;
424}
425
426bool ci_slideshow(arg_t _)
427{
428 if (prefix > 0) {
429 img.ss.on = true;
430 img.ss.delay = prefix;
431 set_timeout(slideshow, img.ss.delay * 1000, true);
432 } else if (img.ss.on) {
433 img.ss.on = false;
434 reset_timeout(slideshow);
435 } else {
436 img.ss.on = true;
437 }
438 return true;
439}
440
441bool ct_move_sel(arg_t dir)
442{
443 return tns_move_selection(&tns, dir, prefix);
444}
445
446bool ct_reload_all(arg_t _)
447{
448 tns_free(&tns);
449 tns_init(&tns, files, &filecnt, &fileidx, &win);
450 tns.dirty = true;
451 return true;
452}
453
454
455#undef G_CMD
456#define G_CMD(c) { -1, cg_##c },
457#undef I_CMD
458#define I_CMD(c) { MODE_IMAGE, ci_##c },
459#undef T_CMD
460#define T_CMD(c) { MODE_THUMB, ct_##c },
461
462const cmd_t cmds[CMD_COUNT] = {
463#include "commands.lst"
464};
465