this basically just extracts the logic that was previously inside `main()` into a seperate function `add_entry()` so that it can be used for accepting entries form stdin as well. Closes: https://codeberg.org/nsxiv/nsxiv/issues/382 Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/383 Reviewed-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
952 lines
21 KiB
C
952 lines
21 KiB
C
/* Copyright 2011-2020 Bert Muennich
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* Copyright 2021-2022 nsxiv contributors
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*
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* This file is a part of nsxiv.
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*
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* nsxiv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* nsxiv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with nsxiv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "nsxiv.h"
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#define INCLUDE_MAPPINGS_CONFIG
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#include "commands.h"
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#include "config.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <locale.h>
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#include <poll.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#include <X11/XF86keysym.h>
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#include <X11/keysym.h>
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#define MODMASK(mask) ((mask) & USED_MODMASK)
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#define BAR_SEP " "
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#define TV_DIFF(t1,t2) (((t1)->tv_sec - (t2)->tv_sec ) * 1000 + \
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((t1)->tv_usec - (t2)->tv_usec) / 1000)
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#define TV_ADD_MSEC(tv,t) { \
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(tv)->tv_sec += (t) / 1000; \
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(tv)->tv_usec += (t) % 1000 * 1000; \
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}
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typedef struct {
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int err;
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char *cmd;
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} extcmd_t;
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/* these are not declared in nsxiv.h, as it causes too many -Wshadow warnings */
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arl_t arl;
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img_t img;
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tns_t tns;
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win_t win;
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appmode_t mode;
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fileinfo_t *files;
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int filecnt, fileidx;
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int alternate;
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int markcnt;
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int markidx;
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int prefix;
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bool title_dirty;
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const XButtonEvent *xbutton_ev;
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static bool extprefix;
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static bool resized = false;
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static struct {
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extcmd_t f, ft;
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int fd;
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pid_t pid;
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} info;
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static struct {
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extcmd_t f;
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bool warned;
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} keyhandler;
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static struct {
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extcmd_t f;
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} wintitle;
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static struct {
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timeout_f handler;
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struct timeval when;
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bool active;
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} timeouts[] = {
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{ redraw },
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{ reset_cursor },
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{ slideshow },
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{ animate },
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{ clear_resize },
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};
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/*
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* function implementations
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*/
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static void cleanup(void)
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{
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img_close(&img, false);
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arl_cleanup(&arl);
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tns_free(&tns);
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win_close(&win);
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}
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static bool xgetline(char **lineptr, size_t *n)
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{
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ssize_t len = getdelim(lineptr, n, options->using_null ? '\0' : '\n', stdin);
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if (!options->using_null && len > 0 && (*lineptr)[len-1] == '\n')
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(*lineptr)[len-1] = '\0';
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return len > 0;
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}
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static int fncmp(const void *a, const void *b)
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{
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return strcoll(((fileinfo_t *)a)->name, ((fileinfo_t *)b)->name);
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}
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static void check_add_file(const char *filename, bool given)
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{
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char *path;
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if (*filename == '\0')
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return;
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if (access(filename, R_OK) < 0 ||
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(path = realpath(filename, NULL)) == NULL)
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{
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if (given)
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error(0, errno, "%s", filename);
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return;
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}
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if (fileidx == filecnt) {
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filecnt *= 2;
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files = erealloc(files, filecnt * sizeof(*files));
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memset(&files[filecnt/2], 0, filecnt/2 * sizeof(*files));
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}
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files[fileidx].name = estrdup(filename);
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files[fileidx].path = path;
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if (given)
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files[fileidx].flags |= FF_WARN;
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fileidx++;
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}
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static void add_entry(const char *entry_name)
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{
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int start;
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char *filename;
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struct stat fstats;
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r_dir_t dir;
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if (stat(entry_name, &fstats) < 0) {
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error(0, errno, "%s", entry_name);
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return;
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}
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if (!S_ISDIR(fstats.st_mode)) {
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check_add_file(entry_name, true);
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} else {
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if (r_opendir(&dir, entry_name, options->recursive) < 0) {
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error(0, errno, "%s", entry_name);
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return;
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}
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start = fileidx;
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while ((filename = r_readdir(&dir, true)) != NULL) {
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check_add_file(filename, false);
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free(filename);
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}
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r_closedir(&dir);
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if (fileidx - start > 1)
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qsort(files + start, fileidx - start, sizeof(*files), fncmp);
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}
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}
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void remove_file(int n, bool manual)
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{
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if (n < 0 || n >= filecnt)
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return;
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if (filecnt == 1) {
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if (!manual)
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fprintf(stderr, "%s: no more files to display, aborting\n", progname);
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exit(manual ? EXIT_SUCCESS : EXIT_FAILURE);
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}
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if (files[n].flags & FF_MARK)
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markcnt--;
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if (files[n].path != files[n].name)
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free((void*) files[n].path);
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free((void*) files[n].name);
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if (n + 1 < filecnt) {
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if (tns.thumbs != NULL) {
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if (tns.thumbs[n].im != NULL) {
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imlib_context_set_image(tns.thumbs[n].im);
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imlib_free_image_and_decache();
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}
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memmove(tns.thumbs + n, tns.thumbs + n + 1, (filecnt - n - 1) *
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sizeof(*tns.thumbs));
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memset(tns.thumbs + filecnt - 1, 0, sizeof(*tns.thumbs));
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}
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memmove(files + n, files + n + 1, (filecnt - n - 1) * sizeof(*files));
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}
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filecnt--;
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if (fileidx > n || fileidx == filecnt)
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fileidx--;
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if (alternate > n || alternate == filecnt)
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alternate--;
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if (markidx > n || markidx == filecnt)
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markidx--;
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}
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void set_timeout(timeout_f handler, int time, bool overwrite)
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{
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unsigned int i;
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for (i = 0; i < ARRLEN(timeouts); i++) {
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if (timeouts[i].handler == handler) {
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if (!timeouts[i].active || overwrite) {
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gettimeofday(&timeouts[i].when, 0);
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TV_ADD_MSEC(&timeouts[i].when, time);
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timeouts[i].active = true;
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}
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return;
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}
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}
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}
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void reset_timeout(timeout_f handler)
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{
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unsigned int i;
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for (i = 0; i < ARRLEN(timeouts); i++) {
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if (timeouts[i].handler == handler) {
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timeouts[i].active = false;
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return;
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}
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}
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}
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static bool check_timeouts(int *t)
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{
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int i = 0, tdiff, tmin = -1;
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struct timeval now;
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while (i < (int)ARRLEN(timeouts)) {
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if (timeouts[i].active) {
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gettimeofday(&now, 0);
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tdiff = TV_DIFF(&timeouts[i].when, &now);
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if (tdiff <= 0) {
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timeouts[i].active = false;
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if (timeouts[i].handler != NULL)
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timeouts[i].handler();
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i = tmin = -1;
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} else if (tmin < 0 || tdiff < tmin) {
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tmin = tdiff;
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}
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}
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i++;
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}
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if (tmin > 0 && t != NULL)
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*t = tmin;
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return tmin > 0;
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}
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static size_t get_win_title(char *buf, size_t len)
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{
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char *argv[8];
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spawn_t pfd;
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char w[12] = "", h[12] = "", z[12] = "", fidx[12], fcnt[12];
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ssize_t n = -1;
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if (wintitle.f.err || buf == NULL || len == 0)
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return 0;
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if (mode == MODE_IMAGE) {
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snprintf(w, ARRLEN(w), "%d", img.w);
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snprintf(h, ARRLEN(h), "%d", img.h);
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snprintf(z, ARRLEN(z), "%d", (int)(img.zoom * 100));
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}
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snprintf(fidx, ARRLEN(fidx), "%d", fileidx+1);
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snprintf(fcnt, ARRLEN(fcnt), "%d", filecnt);
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construct_argv(argv, ARRLEN(argv), wintitle.f.cmd, files[fileidx].path,
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fidx, fcnt, w, h, z, NULL);
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pfd = spawn(wintitle.f.cmd, argv, X_READ);
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if (pfd.readfd >= 0) {
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if ((n = read(pfd.readfd, buf, len-1)) > 0)
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buf[n] = '\0';
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close(pfd.readfd);
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}
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return MAX(0, n);
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}
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void close_info(void)
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{
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if (info.fd != -1) {
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kill(info.pid, SIGTERM);
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close(info.fd);
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info.fd = -1;
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}
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}
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void open_info(void)
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{
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spawn_t pfd;
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char w[12] = "", h[12] = "";
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char *argv[6];
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char *cmd = mode == MODE_IMAGE ? info.f.cmd : info.ft.cmd;
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bool ferr = mode == MODE_IMAGE ? info.f.err : info.ft.err;
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if (ferr || info.fd >= 0 || win.bar.h == 0)
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return;
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win.bar.l.buf[0] = '\0';
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if (mode == MODE_IMAGE) {
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snprintf(w, sizeof(w), "%d", img.w);
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snprintf(h, sizeof(h), "%d", img.h);
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}
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construct_argv(argv, ARRLEN(argv), cmd, files[fileidx].name, w, h,
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files[fileidx].path, NULL);
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pfd = spawn(cmd, argv, X_READ);
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if (pfd.readfd >= 0) {
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fcntl(pfd.readfd, F_SETFL, O_NONBLOCK);
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info.fd = pfd.readfd;
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info.pid = pfd.pid;
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}
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}
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static void read_info(void)
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{
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ssize_t i, n;
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if ((n = read(info.fd, win.bar.l.buf, win.bar.l.size - 1)) > 0) {
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win.bar.l.buf[n] = '\0';
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for (i = 0; i < n; ++i) {
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if (win.bar.l.buf[i] == '\n')
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win.bar.l.buf[i] = ' ';
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}
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win_draw(&win);
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}
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close_info();
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}
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void load_image(int new)
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{
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bool prev = new < fileidx;
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static int current;
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if (new < 0 || new >= filecnt)
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return;
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if (win.xwin != None)
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win_set_cursor(&win, CURSOR_WATCH);
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reset_timeout(slideshow);
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if (new != current)
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alternate = current;
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img_close(&img, false);
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while (!img_load(&img, &files[new])) {
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remove_file(new, false);
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if (new >= filecnt)
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new = filecnt - 1;
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else if (new > 0 && prev)
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new--;
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}
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files[new].flags &= ~FF_WARN;
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fileidx = current = new;
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close_info();
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open_info();
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arl_add(&arl, files[fileidx].path);
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title_dirty = true;
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if (img.multi.cnt > 0 && img.multi.animate)
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set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
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else
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reset_timeout(animate);
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}
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bool mark_image(int n, bool on)
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{
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markidx = n;
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if (!!(files[n].flags & FF_MARK) != on) {
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files[n].flags ^= FF_MARK;
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markcnt += on ? 1 : -1;
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if (mode == MODE_THUMB)
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tns_mark(&tns, n, on);
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return true;
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}
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return false;
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}
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static void bar_put(win_bar_t *bar, const char *fmt, ...)
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{
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size_t len = bar->size - (bar->p - bar->buf), n;
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va_list ap;
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va_start(ap, fmt);
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n = vsnprintf(bar->p, len, fmt, ap);
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bar->p += MIN(len, n);
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va_end(ap);
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}
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static void update_info(void)
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{
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unsigned int i, fn, fw;
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const char *mark;
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win_bar_t *l = &win.bar.l, *r = &win.bar.r;
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/* update bar contents */
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if (win.bar.h == 0 || extprefix)
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return;
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for (fw = 0, i = filecnt; i > 0; fw++, i /= 10);
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mark = files[fileidx].flags & FF_MARK ? "* " : "";
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l->p = l->buf;
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r->p = r->buf;
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if (mode == MODE_THUMB) {
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if (tns.loadnext < tns.end)
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bar_put(l, "Loading... %0*d", fw, tns.loadnext + 1);
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else if (tns.initnext < filecnt)
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bar_put(l, "Caching... %0*d", fw, tns.initnext + 1);
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else if (info.ft.err)
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strncpy(l->buf, files[fileidx].name, l->size);
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bar_put(r, "%s%0*d/%d", mark, fw, fileidx + 1, filecnt);
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} else {
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bar_put(r, "%s", mark);
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if (img.ss.on) {
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if (img.ss.delay % 10 != 0)
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bar_put(r, "%2.1fs" BAR_SEP, (float)img.ss.delay / 10);
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else
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bar_put(r, "%ds" BAR_SEP, img.ss.delay / 10);
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}
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if (img.gamma)
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bar_put(r, "G%+d" BAR_SEP, img.gamma);
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bar_put(r, "%3d%%" BAR_SEP, (int) (img.zoom * 100.0));
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if (img.multi.cnt > 0) {
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for (fn = 0, i = img.multi.cnt; i > 0; fn++, i /= 10);
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bar_put(r, "%0*d/%d" BAR_SEP, fn, img.multi.sel + 1, img.multi.cnt);
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}
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bar_put(r, "%0*d/%d", fw, fileidx + 1, filecnt);
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if (info.f.err)
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strncpy(l->buf, files[fileidx].name, l->size);
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}
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}
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int nav_button(void)
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{
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int x, y, nw;
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if (NAV_WIDTH == 0)
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return 1;
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win_cursor_pos(&win, &x, &y);
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nw = NAV_IS_REL ? win.w * NAV_WIDTH / 100 : NAV_WIDTH;
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nw = MIN(nw, ((int)win.w + 1) / 2);
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if (x < nw)
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return 0;
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else if (x < (int)win.w - nw)
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return 1;
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else
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return 2;
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}
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void redraw(void)
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{
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int t;
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if (mode == MODE_IMAGE) {
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img_render(&img);
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if (img.ss.on) {
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t = img.ss.delay * 100;
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if (img.multi.cnt > 0 && img.multi.animate)
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t = MAX(t, img.multi.length);
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set_timeout(slideshow, t, false);
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}
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} else {
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tns_render(&tns);
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}
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update_info();
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if (title_dirty) {
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size_t n;
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char buf[512];
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if ((n = get_win_title(buf, sizeof(buf))) > 0)
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win_set_title(&win, buf, n);
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title_dirty = false;
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}
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win_draw(&win);
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reset_timeout(redraw);
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reset_cursor();
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}
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void reset_cursor(void)
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{
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int c;
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unsigned int i;
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cursor_t cursor = CURSOR_NONE;
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if (mode == MODE_IMAGE) {
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for (i = 0; i < ARRLEN(timeouts); i++) {
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if (timeouts[i].handler == reset_cursor) {
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if (timeouts[i].active) {
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c = nav_button();
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c = MAX(fileidx > 0 ? 0 : 1, c);
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c = MIN(fileidx + 1 < filecnt ? 2 : 1, c);
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cursor = imgcursor[c];
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}
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break;
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}
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}
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} else {
|
|
if (tns.loadnext < tns.end || tns.initnext < filecnt)
|
|
cursor = CURSOR_WATCH;
|
|
else
|
|
cursor = CURSOR_ARROW;
|
|
}
|
|
win_set_cursor(&win, cursor);
|
|
}
|
|
|
|
void animate(void)
|
|
{
|
|
if (img_frame_animate(&img)) {
|
|
set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
|
|
redraw();
|
|
}
|
|
}
|
|
|
|
void slideshow(void)
|
|
{
|
|
load_image(fileidx + 1 < filecnt ? fileidx + 1 : 0);
|
|
redraw();
|
|
}
|
|
|
|
void clear_resize(void)
|
|
{
|
|
resized = false;
|
|
}
|
|
|
|
static Bool is_input_ev(Display *dpy, XEvent *ev, XPointer arg)
|
|
{
|
|
return ev->type == ButtonPress || ev->type == KeyPress;
|
|
}
|
|
|
|
void handle_key_handler(bool init)
|
|
{
|
|
extprefix = init;
|
|
if (win.bar.h == 0)
|
|
return;
|
|
if (init) {
|
|
close_info();
|
|
snprintf(win.bar.l.buf, win.bar.l.size, "Getting key handler input "
|
|
"(%s to abort)...", XKeysymToString(KEYHANDLER_ABORT));
|
|
} else { /* abort */
|
|
open_info();
|
|
update_info();
|
|
}
|
|
win_draw(&win);
|
|
}
|
|
|
|
static bool run_key_handler(const char *key, unsigned int mask)
|
|
{
|
|
FILE *pfs;
|
|
bool marked = mode == MODE_THUMB && markcnt > 0;
|
|
bool changed = false;
|
|
int f, i;
|
|
int fcnt = marked ? markcnt : 1;
|
|
char kstr[32];
|
|
struct stat *oldst, st;
|
|
XEvent dump;
|
|
char *argv[3];
|
|
spawn_t pfd;
|
|
|
|
if (keyhandler.f.err) {
|
|
if (!keyhandler.warned) {
|
|
error(0, keyhandler.f.err, "%s", keyhandler.f.cmd);
|
|
keyhandler.warned = true;
|
|
}
|
|
return false;
|
|
}
|
|
if (key == NULL)
|
|
return false;
|
|
|
|
close_info();
|
|
strncpy(win.bar.l.buf, "Running key handler...", win.bar.l.size);
|
|
win_draw(&win);
|
|
win_set_cursor(&win, CURSOR_WATCH);
|
|
setenv("NSXIV_USING_NULL", options->using_null ? "1" : "0", 1);
|
|
|
|
snprintf(kstr, sizeof(kstr), "%s%s%s%s",
|
|
mask & ControlMask ? "C-" : "",
|
|
mask & Mod1Mask ? "M-" : "",
|
|
mask & ShiftMask ? "S-" : "", key);
|
|
construct_argv(argv, ARRLEN(argv), keyhandler.f.cmd, kstr, NULL);
|
|
pfd = spawn(keyhandler.f.cmd, argv, X_WRITE);
|
|
if (pfd.writefd < 0)
|
|
return false;
|
|
if ((pfs = fdopen(pfd.writefd, "w")) == NULL) {
|
|
error(0, errno, "open pipe");
|
|
close(pfd.writefd);
|
|
return false;
|
|
}
|
|
|
|
oldst = emalloc(fcnt * sizeof(*oldst));
|
|
for (f = i = 0; f < fcnt; i++) {
|
|
if ((marked && (files[i].flags & FF_MARK)) || (!marked && i == fileidx)) {
|
|
stat(files[i].path, &oldst[f]);
|
|
fprintf(pfs, "%s%c", files[i].name, options->using_null ? '\0' : '\n');
|
|
f++;
|
|
}
|
|
}
|
|
fclose(pfs);
|
|
while (waitpid(pfd.pid, NULL, 0) == -1 && errno == EINTR);
|
|
|
|
for (f = i = 0; f < fcnt; i++) {
|
|
if ((marked && (files[i].flags & FF_MARK)) || (!marked && i == fileidx)) {
|
|
if (stat(files[i].path, &st) != 0 ||
|
|
memcmp(&oldst[f].st_mtime, &st.st_mtime, sizeof(st.st_mtime)) != 0)
|
|
{
|
|
if (tns.thumbs != NULL) {
|
|
tns_unload(&tns, i);
|
|
tns.loadnext = MIN(tns.loadnext, i);
|
|
}
|
|
changed = true;
|
|
}
|
|
f++;
|
|
}
|
|
}
|
|
/* drop user input events that occurred while running the key handler */
|
|
while (XCheckIfEvent(win.env.dpy, &dump, is_input_ev, NULL));
|
|
|
|
if (mode == MODE_IMAGE && changed) {
|
|
img_close(&img, true);
|
|
load_image(fileidx);
|
|
} else {
|
|
open_info();
|
|
}
|
|
free(oldst);
|
|
reset_cursor();
|
|
return true;
|
|
}
|
|
|
|
static bool process_bindings(const keymap_t *bindings, unsigned int len, KeySym ksym_or_button,
|
|
unsigned int state, unsigned int implicit_mod)
|
|
{
|
|
unsigned int i;
|
|
bool dirty = false;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
if (bindings[i].ksym_or_button == ksym_or_button &&
|
|
MODMASK(bindings[i].mask | implicit_mod) == MODMASK(state) &&
|
|
bindings[i].cmd.func != NULL &&
|
|
(bindings[i].cmd.mode == MODE_ALL || bindings[i].cmd.mode == mode))
|
|
{
|
|
if (bindings[i].cmd.func(bindings[i].arg))
|
|
dirty = true;
|
|
}
|
|
}
|
|
return dirty;
|
|
}
|
|
|
|
static void on_keypress(XKeyEvent *kev)
|
|
{
|
|
unsigned int sh = 0;
|
|
KeySym ksym, shksym;
|
|
char dummy, key;
|
|
bool dirty = false;
|
|
|
|
XLookupString(kev, &key, 1, &ksym, NULL);
|
|
|
|
if (kev->state & ShiftMask) {
|
|
kev->state &= ~ShiftMask;
|
|
XLookupString(kev, &dummy, 1, &shksym, NULL);
|
|
kev->state |= ShiftMask;
|
|
if (ksym != shksym)
|
|
sh = ShiftMask;
|
|
}
|
|
if (IsModifierKey(ksym))
|
|
return;
|
|
if (extprefix && ksym == KEYHANDLER_ABORT && MODMASK(kev->state) == 0) {
|
|
handle_key_handler(false);
|
|
} else if (extprefix) {
|
|
if ((dirty = run_key_handler(XKeysymToString(ksym), kev->state & ~sh)))
|
|
extprefix = false;
|
|
else
|
|
handle_key_handler(false);
|
|
} else if (key >= '0' && key <= '9') {
|
|
/* number prefix for commands */
|
|
prefix = prefix * 10 + (int) (key - '0');
|
|
return;
|
|
} else {
|
|
dirty = process_bindings(keys, ARRLEN(keys), ksym, kev->state, sh);
|
|
}
|
|
if (dirty)
|
|
redraw();
|
|
prefix = 0;
|
|
}
|
|
|
|
static void on_buttonpress(const XButtonEvent *bev)
|
|
{
|
|
bool dirty = false;
|
|
|
|
if (mode == MODE_IMAGE) {
|
|
set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
|
|
reset_cursor();
|
|
dirty = process_bindings(buttons_img, ARRLEN(buttons_img), bev->button, bev->state, 0);
|
|
} else { /* thumbnail mode */
|
|
dirty = process_bindings(buttons_tns, ARRLEN(buttons_tns), bev->button, bev->state, 0);
|
|
}
|
|
if (dirty)
|
|
redraw();
|
|
prefix = 0;
|
|
}
|
|
|
|
static void run(void)
|
|
{
|
|
enum { FD_X, FD_INFO, FD_ARL, FD_CNT };
|
|
struct pollfd pfd[FD_CNT];
|
|
int timeout = 0;
|
|
const struct timespec ten_ms = {0, 10000000};
|
|
bool discard, init_thumb, load_thumb, to_set;
|
|
XEvent ev, nextev;
|
|
|
|
xbutton_ev = &ev.xbutton;
|
|
while (true) {
|
|
to_set = check_timeouts(&timeout);
|
|
init_thumb = mode == MODE_THUMB && tns.initnext < filecnt;
|
|
load_thumb = mode == MODE_THUMB && tns.loadnext < tns.end;
|
|
|
|
if ((init_thumb || load_thumb || to_set || info.fd != -1 ||
|
|
arl.fd != -1) && XPending(win.env.dpy) == 0)
|
|
{
|
|
if (load_thumb) {
|
|
set_timeout(redraw, TO_REDRAW_THUMBS, false);
|
|
if (!tns_load(&tns, tns.loadnext, false, false)) {
|
|
remove_file(tns.loadnext, false);
|
|
tns.dirty = true;
|
|
}
|
|
if (tns.loadnext >= tns.end) {
|
|
open_info();
|
|
redraw();
|
|
}
|
|
} else if (init_thumb) {
|
|
set_timeout(redraw, TO_REDRAW_THUMBS, false);
|
|
if (!tns_load(&tns, tns.initnext, false, true))
|
|
remove_file(tns.initnext, false);
|
|
} else {
|
|
pfd[FD_X].fd = ConnectionNumber(win.env.dpy);
|
|
pfd[FD_INFO].fd = info.fd;
|
|
pfd[FD_ARL].fd = arl.fd;
|
|
pfd[FD_X].events = pfd[FD_INFO].events = pfd[FD_ARL].events = POLLIN;
|
|
|
|
if (poll(pfd, ARRLEN(pfd), to_set ? timeout : -1) < 0)
|
|
continue;
|
|
if (pfd[FD_INFO].revents & POLLIN)
|
|
read_info();
|
|
if (pfd[FD_ARL].revents & POLLIN) {
|
|
if (arl_handle(&arl)) {
|
|
/* when too fast, imlib2 can't load the image */
|
|
nanosleep(&ten_ms, NULL);
|
|
img_close(&img, true);
|
|
load_image(fileidx);
|
|
redraw();
|
|
}
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
do {
|
|
XNextEvent(win.env.dpy, &ev);
|
|
discard = false;
|
|
if (XEventsQueued(win.env.dpy, QueuedAlready) > 0) {
|
|
XPeekEvent(win.env.dpy, &nextev);
|
|
switch (ev.type) {
|
|
case ConfigureNotify:
|
|
case MotionNotify:
|
|
discard = ev.type == nextev.type;
|
|
break;
|
|
case KeyPress:
|
|
discard = (nextev.type == KeyPress || nextev.type == KeyRelease)
|
|
&& ev.xkey.keycode == nextev.xkey.keycode;
|
|
break;
|
|
}
|
|
}
|
|
} while (discard);
|
|
|
|
switch (ev.type) { /* handle events */
|
|
case ButtonPress:
|
|
on_buttonpress(&ev.xbutton);
|
|
break;
|
|
case ClientMessage:
|
|
if ((Atom) ev.xclient.data.l[0] == atoms[ATOM_WM_DELETE_WINDOW])
|
|
cg_quit(EXIT_SUCCESS);
|
|
break;
|
|
case DestroyNotify:
|
|
cg_quit(EXIT_FAILURE);
|
|
break;
|
|
case ConfigureNotify:
|
|
if (win_configure(&win, &ev.xconfigure)) {
|
|
if (mode == MODE_IMAGE) {
|
|
img.dirty = true;
|
|
img.checkpan = true;
|
|
} else {
|
|
tns.dirty = true;
|
|
}
|
|
if (!resized) {
|
|
redraw();
|
|
set_timeout(clear_resize, TO_REDRAW_RESIZE, false);
|
|
resized = true;
|
|
} else {
|
|
set_timeout(redraw, TO_REDRAW_RESIZE, false);
|
|
}
|
|
}
|
|
break;
|
|
case KeyPress:
|
|
on_keypress(&ev.xkey);
|
|
break;
|
|
case MotionNotify:
|
|
if (mode == MODE_IMAGE) {
|
|
set_timeout(reset_cursor, TO_CURSOR_HIDE, true);
|
|
reset_cursor();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void sigchld(int sig)
|
|
{
|
|
while (waitpid(-1, NULL, WNOHANG) > 0);
|
|
}
|
|
|
|
static void setup_signal(int sig, void (*handler)(int sig))
|
|
{
|
|
struct sigaction sa;
|
|
|
|
sa.sa_handler = handler;
|
|
sigemptyset(&sa.sa_mask);
|
|
sa.sa_flags = SA_RESTART | SA_NOCLDSTOP;
|
|
if (sigaction(sig, &sa, 0) == -1)
|
|
error(EXIT_FAILURE, errno, "signal %d", sig);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
size_t n;
|
|
const char *homedir, *dsuffix = "";
|
|
|
|
setup_signal(SIGCHLD, sigchld);
|
|
setup_signal(SIGPIPE, SIG_IGN);
|
|
|
|
setlocale(LC_COLLATE, "");
|
|
|
|
parse_options(argc, argv);
|
|
|
|
if (options->clean_cache) {
|
|
tns_init(&tns, NULL, NULL, NULL, NULL);
|
|
tns_clean_cache();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
if (options->filecnt == 0 && !options->from_stdin) {
|
|
print_usage();
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (options->recursive || options->from_stdin)
|
|
filecnt = 1024;
|
|
else
|
|
filecnt = options->filecnt;
|
|
|
|
files = ecalloc(filecnt, sizeof(*files));
|
|
fileidx = 0;
|
|
|
|
if (options->from_stdin) {
|
|
char *filename = NULL;
|
|
n = 0;
|
|
while (xgetline(&filename, &n))
|
|
add_entry(filename);
|
|
free(filename);
|
|
}
|
|
|
|
for (i = 0; i < options->filecnt; i++)
|
|
add_entry(options->filenames[i]);
|
|
|
|
if (fileidx == 0)
|
|
error(EXIT_FAILURE, 0, "No valid image file given, aborting");
|
|
|
|
filecnt = fileidx;
|
|
fileidx = options->startnum < filecnt ? options->startnum : 0;
|
|
|
|
win_init(&win);
|
|
img_init(&img, &win);
|
|
arl_init(&arl);
|
|
|
|
if ((homedir = getenv("XDG_CONFIG_HOME")) == NULL || homedir[0] == '\0') {
|
|
homedir = getenv("HOME");
|
|
dsuffix = "/.config";
|
|
}
|
|
if (homedir != NULL) {
|
|
extcmd_t *cmd[] = { &info.f, &info.ft, &keyhandler.f, &wintitle.f };
|
|
const char *name[] = { "image-info", "thumb-info", "key-handler", "win-title" };
|
|
const char *s = "/nsxiv/exec/";
|
|
|
|
for (i = 0; i < (int)ARRLEN(cmd); i++) {
|
|
n = strlen(homedir) + strlen(dsuffix) + strlen(s) + strlen(name[i]) + 1;
|
|
cmd[i]->cmd = emalloc(n);
|
|
snprintf(cmd[i]->cmd, n, "%s%s%s%s", homedir, dsuffix, s, name[i]);
|
|
if (access(cmd[i]->cmd, X_OK) != 0)
|
|
cmd[i]->err = errno;
|
|
}
|
|
} else {
|
|
error(0, 0, "Exec directory not found");
|
|
}
|
|
info.fd = -1;
|
|
|
|
if (options->thumb_mode) {
|
|
mode = MODE_THUMB;
|
|
tns_init(&tns, files, &filecnt, &fileidx, &win);
|
|
while (!tns_load(&tns, fileidx, false, false))
|
|
remove_file(fileidx, false);
|
|
} else {
|
|
mode = MODE_IMAGE;
|
|
tns.thumbs = NULL;
|
|
load_image(fileidx);
|
|
}
|
|
win_open(&win);
|
|
win_set_cursor(&win, CURSOR_WATCH);
|
|
|
|
atexit(cleanup);
|
|
|
|
set_timeout(redraw, 25, false);
|
|
|
|
run();
|
|
|
|
return 0;
|
|
}
|