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/* Copyright 2011, 2012, 2014 Bert Muennich
*
* This file is part of sxiv.
*
* 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.
*
* 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 <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
#include "commands.h"
#include "image.h"
#include "options.h"
#include "thumbs.h"
#include "util.h"
#define _IMAGE_CONFIG
#include "config.h"
void remove_file(int, bool);
void load_image(int);
void open_info(void);
void redraw(void);
void reset_cursor(void);
void animate(void);
void slideshow(void);
void set_timeout(timeout_f, int, bool);
void reset_timeout(timeout_f);
extern appmode_t mode;
extern img_t img;
extern tns_t tns;
extern win_t win;
extern fileinfo_t *files;
extern int filecnt, fileidx;
extern int alternate;
extern int markcnt;
extern int prefix;
extern bool extprefix;
bool cg_quit(arg_t _)
{
unsigned int i;
if (options->to_stdout && markcnt > 0) {
for (i = 0; i < filecnt; i++) {
if (files[i].flags & FF_MARK)
printf("%s\n", files[i].name);
}
}
exit(EXIT_SUCCESS);
}
bool cg_switch_mode(arg_t _)
{
if (mode == MODE_IMAGE) {
if (tns.thumbs == NULL)
tns_init(&tns, files, &filecnt, &fileidx, &win);
img_close(&img, false);
reset_timeout(reset_cursor);
if (img.ss.on) {
img.ss.on = false;
reset_timeout(slideshow);
}
tns.dirty = true;
mode = MODE_THUMB;
} else {
load_image(fileidx);
mode = MODE_IMAGE;
}
return true;
}
bool cg_toggle_fullscreen(arg_t _)
{
win_toggle_fullscreen(&win);
/* redraw after next ConfigureNotify event */
set_timeout(redraw, TO_REDRAW_RESIZE, false);
if (mode == MODE_IMAGE)
img.checkpan = img.dirty = true;
else
tns.dirty = true;
return false;
}
bool cg_toggle_bar(arg_t _)
{
win_toggle_bar(&win);
if (mode == MODE_IMAGE) {
img.checkpan = img.dirty = true;
if (win.bar.h > 0)
open_info();
} else {
tns.dirty = true;
}
return true;
}
bool cg_prefix_external(arg_t _)
{
extprefix = true;
return false;
}
bool cg_reload_image(arg_t _)
{
if (mode == MODE_IMAGE) {
load_image(fileidx);
} else {
win_set_cursor(&win, CURSOR_WATCH);
if (!tns_load(&tns, fileidx, true, false)) {
remove_file(fileidx, false);
tns.dirty = true;
}
}
return true;
}
bool cg_remove_image(arg_t _)
{
remove_file(fileidx, true);
if (mode == MODE_IMAGE)
load_image(fileidx);
else
tns.dirty = true;
return true;
}
bool cg_first(arg_t _)
{
if (mode == MODE_IMAGE && fileidx != 0) {
load_image(0);
return true;
} else if (mode == MODE_THUMB && fileidx != 0) {
fileidx = 0;
tns.dirty = true;
return true;
} else {
return false;
}
}
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;
tns.dirty = true;
return true;
} else {
return false;
}
}
bool cg_scroll_screen(arg_t dir)
{
if (mode == MODE_IMAGE)
return img_pan(&img, dir, -1);
else
return tns_scroll(&tns, dir, true);
}
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;
}
bool cg_toggle_image_mark(arg_t _)
{
files[fileidx].flags ^= FF_MARK;
markcnt += files[fileidx].flags & FF_MARK ? 1 : -1;
if (mode == MODE_THUMB)
tns_mark(&tns, fileidx, !!(files[fileidx].flags & FF_MARK));
return true;
}
bool cg_reverse_marks(arg_t _)
{
int i;
for (i = 0; i < filecnt; i++) {
files[i].flags ^= FF_MARK;
markcnt += files[i].flags & FF_MARK ? 1 : -1;
}
if (mode == MODE_THUMB)
tns.dirty = true;
return true;
}
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;
}
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;
}
}
bool cg_change_gamma(arg_t d)
{
if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) {
if (mode == MODE_THUMB)
tns.dirty = true;
return true;
} else {
return false;
}
}
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_alternate(arg_t _)
{
load_image(alternate);
return true;
}
bool ci_navigate_frame(arg_t d)
{
if (prefix > 0)
d *= prefix;
return !img.multi.animate && img_frame_navigate(&img, d);
}
bool ci_toggle_animation(arg_t _)
{
bool dirty = false;
if (img.multi.cnt > 0) {
img.multi.animate = !img.multi.animate;
if (img.multi.animate) {
dirty = img_frame_animate(&img);
set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
} else {
reset_timeout(animate);
}
}
return dirty;
}
bool ci_scroll(arg_t dir)
{
return img_pan(&img, dir, prefix);
}
bool ci_scroll_to_edge(arg_t dir)
{
return img_pan_edge(&img, dir);
}
/* Xlib helper function for i_drag() */
Bool is_motionnotify(Display *d, XEvent *e, XPointer a)
{
return e != NULL && e->type == MotionNotify;
}
#define WARP(x,y) \
XWarpPointer(win.env.dpy, None, win.xwin, 0, 0, 0, 0, x, y); \
ox = x, oy = y; \
break
bool ci_drag(arg_t _)
{
int dx = 0, dy = 0, i, ox, oy, x, y;
unsigned int ui;
bool dragging = true, next = false;
XEvent e;
Window w;
if (!XQueryPointer(win.env.dpy, win.xwin, &w, &w, &i, &i, &ox, &oy, &ui))
return false;
win_set_cursor(&win, CURSOR_HAND);
while (dragging) {
if (!next)
XMaskEvent(win.env.dpy,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e);
switch (e.type) {
case ButtonPress:
case ButtonRelease:
dragging = false;
break;
case MotionNotify:
x = e.xmotion.x;
y = e.xmotion.y;
/* wrap the mouse around */
if (x <= 0) {
WARP(win.w - 2, y);
} else if (x >= win.w - 1) {
WARP(1, y);
} else if (y <= 0) {
WARP(x, win.h - 2);
} else if (y >= win.h - 1) {
WARP(x, 1);
}
dx += x - ox;
dy += y - oy;
ox = x;
oy = y;
break;
}
if (dragging)
next = XCheckIfEvent(win.env.dpy, &e, is_motionnotify, None);
if ((!dragging || !next) && (dx != 0 || dy != 0)) {
if (img_move(&img, dx, dy)) {
img_render(&img);
win_draw(&win);
}
dx = dy = 0;
}
}
win_set_cursor(&win, CURSOR_ARROW);
set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
reset_timeout(redraw);
return true;
}
bool ci_set_zoom(arg_t zl)
{
return img_zoom(&img, (prefix ? prefix : zl) / 100.0);
}
bool ci_fit_to_win(arg_t sm)
{
return img_fit_win(&img, sm);
}
bool ci_rotate(arg_t degree)
{
img_rotate(&img, degree);
return true;
}
bool ci_flip(arg_t dir)
{
img_flip(&img, dir);
return true;
}
bool ci_toggle_antialias(arg_t _)
{
img_toggle_antialias(&img);
return true;
}
bool ci_toggle_alpha(arg_t _)
{
img.alpha = !img.alpha;
img.dirty = true;
return true;
}
bool ci_slideshow(arg_t _)
{
if (prefix > 0) {
img.ss.on = true;
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;
}
bool ct_move_sel(arg_t dir)
{
return tns_move_selection(&tns, dir, prefix);
}
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"
};