nsxiv/commands.c

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/* Copyright 2011, 2012, 2014 Bert Muennich
*
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* This file is part of sxiv.
*
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* sxiv is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
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* sxiv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with sxiv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "sxiv.h"
#define _IMAGE_CONFIG
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
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void remove_file(int, bool);
void load_image(int);
bool mark_image(int, bool);
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void close_info(void);
void open_info(void);
int ptr_third_x(void);
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void redraw(void);
void reset_cursor(void);
void animate(void);
void slideshow(void);
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void set_timeout(timeout_f, int, bool);
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void reset_timeout(timeout_f);
extern appmode_t mode;
extern img_t img;
extern tns_t tns;
extern win_t win;
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extern fileinfo_t *files;
extern int filecnt, fileidx;
extern int alternate;
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extern int markcnt;
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extern int markidx;
extern int prefix;
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extern bool extprefix;
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bool cg_quit(arg_t _)
{
unsigned int i;
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if (options->to_stdout && markcnt > 0) {
for (i = 0; i < filecnt; i++) {
if (files[i].flags & FF_MARK)
printf("%s\n", files[i].name);
}
}
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exit(EXIT_SUCCESS);
}
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bool cg_switch_mode(arg_t _)
{
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if (mode == MODE_IMAGE) {
if (tns.thumbs == NULL)
tns_init(&tns, files, &filecnt, &fileidx, &win);
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img_close(&img, false);
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reset_timeout(reset_cursor);
if (img.ss.on) {
img.ss.on = false;
reset_timeout(slideshow);
}
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tns.dirty = true;
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mode = MODE_THUMB;
} else {
load_image(fileidx);
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mode = MODE_IMAGE;
}
return true;
}
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bool cg_toggle_fullscreen(arg_t _)
{
win_toggle_fullscreen(&win);
/* redraw after next ConfigureNotify event */
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set_timeout(redraw, TO_REDRAW_RESIZE, false);
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if (mode == MODE_IMAGE)
img.checkpan = img.dirty = true;
else
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tns.dirty = true;
return false;
}
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bool cg_toggle_bar(arg_t _)
{
win_toggle_bar(&win);
if (mode == MODE_IMAGE) {
if (win.bar.h > 0)
open_info();
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else
close_info();
img.checkpan = img.dirty = true;
} else {
tns.dirty = true;
}
return true;
}
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bool cg_prefix_external(arg_t _)
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{
extprefix = true;
return false;
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}
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bool cg_reload_image(arg_t _)
{
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if (mode == MODE_IMAGE) {
load_image(fileidx);
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} else {
win_set_cursor(&win, CURSOR_WATCH);
if (!tns_load(&tns, fileidx, true, false)) {
remove_file(fileidx, false);
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tns.dirty = true;
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}
}
return true;
}
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bool cg_remove_image(arg_t _)
{
remove_file(fileidx, true);
if (mode == MODE_IMAGE)
load_image(fileidx);
else
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tns.dirty = true;
return true;
}
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bool cg_first(arg_t _)
{
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if (mode == MODE_IMAGE && fileidx != 0) {
load_image(0);
return true;
} else if (mode == MODE_THUMB && fileidx != 0) {
fileidx = 0;
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tns.dirty = true;
return true;
} else {
return false;
}
}
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bool cg_n_or_last(arg_t _)
{
int n = prefix != 0 && prefix - 1 < filecnt ? prefix - 1 : filecnt - 1;
if (mode == MODE_IMAGE && fileidx != n) {
load_image(n);
return true;
} else if (mode == MODE_THUMB && fileidx != n) {
fileidx = n;
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tns.dirty = true;
return true;
} else {
return false;
}
}
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bool cg_scroll_screen(arg_t dir)
{
if (mode == MODE_IMAGE)
return img_pan(&img, dir, -1);
else
return tns_scroll(&tns, dir, true);
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}
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bool cg_zoom(arg_t d)
{
if (mode == MODE_THUMB)
return tns_zoom(&tns, d);
else if (d > 0)
return img_zoom_in(&img);
else if (d < 0)
return img_zoom_out(&img);
else
return false;
}
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bool cg_toggle_image_mark(arg_t _)
{
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markidx = fileidx;
return mark_image(fileidx, !(files[fileidx].flags & FF_MARK));
}
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bool cg_reverse_marks(arg_t _)
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{
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int i;
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for (i = 0; i < filecnt; i++) {
files[i].flags ^= FF_MARK;
markcnt += files[i].flags & FF_MARK ? 1 : -1;
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}
if (mode == MODE_THUMB)
tns.dirty = true;
return true;
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}
bool cg_mark_range(arg_t _)
{
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int i, d = fileidx < markidx ? 1 : -1;
bool dirty = false, on = !!(files[markidx].flags & FF_MARK);
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for (i = fileidx; i != markidx; i += d) {
if (mark_image(i, on))
dirty = true;
}
return dirty;
}
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bool cg_unmark_all(arg_t _)
{
int i;
for (i = 0; i < filecnt; i++)
files[i].flags &= ~FF_MARK;
markcnt = 0;
if (mode == MODE_THUMB)
tns.dirty = true;
return true;
}
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bool cg_navigate_marked(arg_t n)
{
int d, i;
int new = fileidx;
if (prefix > 0)
n *= prefix;
d = n > 0 ? 1 : -1;
for (i = fileidx + d; n != 0 && i >= 0 && i < filecnt; i += d) {
if (files[i].flags & FF_MARK) {
n -= d;
new = i;
}
}
if (new != fileidx) {
if (mode == MODE_IMAGE) {
load_image(new);
} else {
fileidx = new;
tns.dirty = true;
}
return true;
} else {
return false;
}
}
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bool cg_change_gamma(arg_t d)
{
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if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) {
if (mode == MODE_THUMB)
tns.dirty = true;
return true;
} else {
return false;
}
}
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bool ci_navigate(arg_t n)
{
if (prefix > 0)
n *= prefix;
n += fileidx;
if (n < 0)
n = 0;
if (n >= filecnt)
n = filecnt - 1;
if (n != fileidx) {
load_image(n);
return true;
} else {
return false;
}
}
bool ci_cursor_navigate(arg_t _)
{
return ci_navigate(ptr_third_x() - 1);
}
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bool ci_alternate(arg_t _)
{
load_image(alternate);
return true;
}
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bool ci_navigate_frame(arg_t d)
{
if (prefix > 0)
d *= prefix;
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return !img.multi.animate && img_frame_navigate(&img, d);
}
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bool ci_toggle_animation(arg_t _)
{
bool dirty = false;
if (img.multi.cnt > 0) {
img.multi.animate = !img.multi.animate;
if (img.multi.animate) {
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dirty = img_frame_animate(&img);
set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
} else {
reset_timeout(animate);
}
}
return dirty;
}
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bool ci_scroll(arg_t dir)
{
return img_pan(&img, dir, prefix);
}
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bool ci_scroll_to_edge(arg_t dir)
{
return img_pan_edge(&img, dir);
}
bool ci_drag(arg_t mode)
{
int x, y, ox, oy;
float px, py;
XEvent e;
if ((int)(img.w * img.zoom) <= win.w && (int)(img.h * img.zoom) <= win.h)
return false;
win_set_cursor(&win, CURSOR_DRAG);
win_cursor_pos(&win, &x, &y);
ox = x;
oy = y;
for (;;) {
if (mode == DRAG_ABSOLUTE) {
px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8)
* (win.w - img.w * img.zoom);
py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8)
* (win.h - img.h * img.zoom);
} else {
px = img.x + x - ox;
py = img.y + y - oy;
}
if (img_pos(&img, px, py)) {
img_render(&img);
win_draw(&win);
}
XMaskEvent(win.env.dpy,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e);
if (e.type == ButtonPress || e.type == ButtonRelease)
break;
while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e));
ox = x;
oy = y;
x = e.xmotion.x;
y = e.xmotion.y;
}
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set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
reset_cursor();
return true;
}
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bool ci_set_zoom(arg_t zl)
{
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return img_zoom(&img, (prefix ? prefix : zl) / 100.0);
}
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bool ci_fit_to_win(arg_t sm)
{
return img_fit_win(&img, sm);
}
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bool ci_rotate(arg_t degree)
{
img_rotate(&img, degree);
return true;
}
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bool ci_flip(arg_t dir)
{
img_flip(&img, dir);
return true;
}
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bool ci_toggle_antialias(arg_t _)
{
img_toggle_antialias(&img);
return true;
}
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bool ci_toggle_alpha(arg_t _)
{
img.alpha = !img.alpha;
img.dirty = true;
return true;
}
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bool ci_slideshow(arg_t _)
{
if (prefix > 0) {
img.ss.on = true;
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img.ss.delay = prefix * 10;
set_timeout(slideshow, img.ss.delay * 100, true);
} else if (img.ss.on) {
img.ss.on = false;
reset_timeout(slideshow);
} else {
img.ss.on = true;
}
return true;
}
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bool ct_move_sel(arg_t dir)
{
return tns_move_selection(&tns, dir, prefix);
}
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bool ct_reload_all(arg_t _)
{
tns_free(&tns);
tns_init(&tns, files, &filecnt, &fileidx, &win);
tns.dirty = true;
return true;
}
#undef G_CMD
#define G_CMD(c) { -1, cg_##c },
#undef I_CMD
#define I_CMD(c) { MODE_IMAGE, ci_##c },
#undef T_CMD
#define T_CMD(c) { MODE_THUMB, ct_##c },
const cmd_t cmds[CMD_COUNT] = {
#include "commands.lst"
};