summaryrefslogtreecommitdiff
path: root/utils/nsxiv/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'utils/nsxiv/main.c')
-rw-r--r--utils/nsxiv/main.c955
1 files changed, 0 insertions, 955 deletions
diff --git a/utils/nsxiv/main.c b/utils/nsxiv/main.c
deleted file mode 100644
index 976bd5f..0000000
--- a/utils/nsxiv/main.c
+++ /dev/null
@@ -1,955 +0,0 @@
-/* Copyright 2011-2020 Bert Muennich
- * Copyright 2021-2022 nsxiv contributors
- *
- * This file is a part of nsxiv.
- *
- * nsxiv 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.
- *
- * nsxiv 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 nsxiv. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "nsxiv.h"
-#define _MAPPINGS_CONFIG
-#include "commands.h"
-#include "config.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include <locale.h>
-#include <signal.h>
-#include <poll.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <time.h>
-#include <X11/keysym.h>
-#include <X11/XF86keysym.h>
-
-#define MODMASK(mask) ((mask) & USED_MODMASK)
-#define BAR_SEP " "
-
-typedef struct {
- struct timeval when;
- bool active;
- timeout_f handler;
-} timeout_t;
-
-typedef struct {
- int err;
- char *cmd;
-} extcmd_t;
-
-/* these are not declared in nsxiv.h, as it causes too many -Wshadow warnings */
-arl_t arl;
-img_t img;
-tns_t tns;
-win_t win;
-
-appmode_t mode;
-const XButtonEvent *xbutton_ev;
-
-fileinfo_t *files;
-int filecnt, fileidx;
-int alternate;
-int markcnt;
-int markidx;
-
-int prefix;
-static bool extprefix;
-
-static bool resized = false;
-
-static struct {
- extcmd_t f, ft;
- int fd;
- unsigned int i, lastsep;
- pid_t pid;
-} info;
-
-static struct {
- extcmd_t f;
- bool warned;
-} keyhandler;
-
-static struct {
- extcmd_t f;
-} wintitle;
-
-static timeout_t timeouts[] = {
- { { 0, 0 }, false, redraw },
- { { 0, 0 }, false, reset_cursor },
- { { 0, 0 }, false, animate },
- { { 0, 0 }, false, slideshow },
- { { 0, 0 }, false, clear_resize },
-};
-
-/**************************
- function implementations
- **************************/
-static void cleanup(void)
-{
- img_close(&img, false);
- arl_cleanup(&arl);
- tns_free(&tns);
- win_close(&win);
-}
-
-static bool xgetline(char **lineptr, size_t *n)
-{
- ssize_t len = getdelim(lineptr, n, options->using_null ? '\0' : '\n', stdin);
- if (!options->using_null && len > 0 && (*lineptr)[len-1] == '\n')
- (*lineptr)[len-1] = '\0';
- return len > 0;
-}
-
-static void check_add_file(char *filename, bool given)
-{
- char *path;
-
- if (*filename == '\0')
- return;
-
- if (access(filename, R_OK) < 0 ||
- (path = realpath(filename, NULL)) == NULL)
- {
- if (given)
- error(0, errno, "%s", filename);
- return;
- }
-
- if (fileidx == filecnt) {
- filecnt *= 2;
- files = erealloc(files, filecnt * sizeof(*files));
- memset(&files[filecnt/2], 0, filecnt/2 * sizeof(*files));
- }
-
- files[fileidx].name = estrdup(filename);
- files[fileidx].path = path;
- if (given)
- files[fileidx].flags |= FF_WARN;
- fileidx++;
-}
-
-void remove_file(int n, bool manual)
-{
- if (n < 0 || n >= filecnt)
- return;
-
- if (filecnt == 1) {
- if (!manual)
- fprintf(stderr, "nsxiv: no more files to display, aborting\n");
- exit(manual ? EXIT_SUCCESS : EXIT_FAILURE);
- }
- if (files[n].flags & FF_MARK)
- markcnt--;
-
- if (files[n].path != files[n].name)
- free((void*) files[n].path);
- free((void*) files[n].name);
-
- if (n + 1 < filecnt) {
- if (tns.thumbs != NULL) {
- if (tns.thumbs[n].im != NULL) {
- imlib_context_set_image(tns.thumbs[n].im);
- imlib_free_image_and_decache();
- }
- memmove(tns.thumbs + n, tns.thumbs + n + 1, (filecnt - n - 1) *
- sizeof(*tns.thumbs));
- memset(tns.thumbs + filecnt - 1, 0, sizeof(*tns.thumbs));
- }
- memmove(files + n, files + n + 1, (filecnt - n - 1) * sizeof(*files));
- }
- filecnt--;
- if (fileidx > n || fileidx == filecnt)
- fileidx--;
- if (alternate > n || alternate == filecnt)
- alternate--;
- if (markidx > n || markidx == filecnt)
- markidx--;
-}
-
-void set_timeout(timeout_f handler, int time, bool overwrite)
-{
- unsigned int i;
-
- for (i = 0; i < ARRLEN(timeouts); i++) {
- if (timeouts[i].handler == handler) {
- if (!timeouts[i].active || overwrite) {
- gettimeofday(&timeouts[i].when, 0);
- TV_ADD_MSEC(&timeouts[i].when, time);
- timeouts[i].active = true;
- }
- return;
- }
- }
-}
-
-void reset_timeout(timeout_f handler)
-{
- unsigned int i;
-
- for (i = 0; i < ARRLEN(timeouts); i++) {
- if (timeouts[i].handler == handler) {
- timeouts[i].active = false;
- return;
- }
- }
-}
-
-static bool check_timeouts(struct timeval *t)
-{
- int i = 0, tdiff, tmin = -1;
- struct timeval now;
-
- while (i < ARRLEN(timeouts)) {
- if (timeouts[i].active) {
- gettimeofday(&now, 0);
- tdiff = TV_DIFF(&timeouts[i].when, &now);
- if (tdiff <= 0) {
- timeouts[i].active = false;
- if (timeouts[i].handler != NULL)
- timeouts[i].handler();
- i = tmin = -1;
- } else if (tmin < 0 || tdiff < tmin) {
- tmin = tdiff;
- }
- }
- i++;
- }
- if (tmin > 0 && t != NULL)
- TV_SET_MSEC(t, tmin);
- return tmin > 0;
-}
-
-size_t get_win_title(unsigned char *buf, int len, bool init)
-{
- char *argv[8];
- spawn_t pfd;
- char w[12] = "", h[12] = "", z[12] = "", fidx[12], fcnt[12];
- ssize_t n = -1;
-
- if (buf == NULL || len <= 0)
- return 0;
-
- if (init) {
- n = snprintf((char *)buf, len, "%s", options->res_name != NULL ?
- options->res_name : "nsxiv");
- } else if (!wintitle.f.err) {
- if (mode == MODE_IMAGE) {
- snprintf(w, ARRLEN(w), "%d", img.w);
- snprintf(h, ARRLEN(h), "%d", img.h);
- snprintf(z, ARRLEN(z), "%d", (int)(img.zoom * 100));
- }
- snprintf(fidx, ARRLEN(fidx), "%d", fileidx+1);
- snprintf(fcnt, ARRLEN(fcnt), "%d", filecnt);
- construct_argv(argv, ARRLEN(argv), wintitle.f.cmd, files[fileidx].path,
- fidx, fcnt, w, h, z, NULL);
- pfd = spawn(wintitle.f.cmd, argv, X_READ);
- if (pfd.readfd >= 0) {
- if ((n = read(pfd.readfd, buf, len-1)) > 0)
- buf[n] = '\0';
- close(pfd.readfd);
- }
- }
-
- return MAX(0, n);
-}
-
-void close_info(void)
-{
- if (info.fd != -1) {
- kill(info.pid, SIGTERM);
- close(info.fd);
- info.fd = -1;
- }
-}
-
-void open_info(void)
-{
- spawn_t pfd;
- char w[12] = "", h[12] = "";
- char *argv[6];
- char *cmd = mode == MODE_IMAGE ? info.f.cmd : info.ft.cmd;
- bool ferr = mode == MODE_IMAGE ? info.f.err : info.ft.err;
-
- if (ferr || info.fd >= 0 || win.bar.h == 0)
- return;
- win.bar.l.buf[0] = '\0';
- if (mode == MODE_IMAGE) {
- snprintf(w, sizeof(w), "%d", img.w);
- snprintf(h, sizeof(h), "%d", img.h);
- }
- construct_argv(argv, ARRLEN(argv), cmd, files[fileidx].name, w, h,
- files[fileidx].path, NULL);
- pfd = spawn(cmd, argv, X_READ);
- if (pfd.readfd >= 0) {
- fcntl(pfd.readfd, F_SETFL, O_NONBLOCK);
- info.fd = pfd.readfd;
- info.i = info.lastsep = 0;
- info.pid = pfd.pid;
- }
-}
-
-static void read_info(void)
-{
- ssize_t i, n;
- char buf[BAR_L_LEN];
-
- while (true) {
- n = read(info.fd, buf, sizeof(buf));
- if (n < 0 && errno == EAGAIN)
- return;
- else if (n == 0)
- goto end;
- for (i = 0; i < n; i++) {
- if (buf[i] == '\n') {
- if (info.lastsep == 0) {
- win.bar.l.buf[info.i++] = ' ';
- info.lastsep = 1;
- }
- } else {
- win.bar.l.buf[info.i++] = buf[i];
- info.lastsep = 0;
- }
- if (info.i + 1 == win.bar.l.size)
- goto end;
- }
- }
-end:
- info.i -= info.lastsep;
- win.bar.l.buf[info.i] = '\0';
- win_draw(&win);
- close_info();
-}
-
-void load_image(int new)
-{
- bool prev = new < fileidx;
- static int current;
-
- if (new < 0 || new >= filecnt)
- return;
-
- if (win.xwin != None)
- win_set_cursor(&win, CURSOR_WATCH);
- reset_timeout(slideshow);
-
- if (new != current)
- alternate = current;
-
- img_close(&img, false);
- while (!img_load(&img, &files[new])) {
- remove_file(new, false);
- if (new >= filecnt)
- new = filecnt - 1;
- else if (new > 0 && prev)
- new--;
- }
- files[new].flags &= ~FF_WARN;
- fileidx = current = new;
-
- close_info();
- open_info();
- arl_setup(&arl, files[fileidx].path);
-
- if (img.multi.cnt > 0 && img.multi.animate)
- set_timeout(animate, img.multi.frames[img.multi.sel].delay, true);
- else
- reset_timeout(animate);
-}
-
-bool mark_image(int n, bool on)
-{
- markidx = n;
- if (!!(files[n].flags & FF_MARK) != on) {
- files[n].flags ^= FF_MARK;
- markcnt += on ? 1 : -1;
- if (mode == MODE_THUMB)
- tns_mark(&tns, n, on);
- return true;
- }
- return false;
-}
-
-static void bar_put(win_bar_t *bar, const char *fmt, ...)
-{
- size_t len = bar->size - (bar->p - bar->buf), n;
- va_list ap;
-
- va_start(ap, fmt);
- n = vsnprintf(bar->p, len, fmt, ap);
- bar->p += MIN(len, n);
- va_end(ap);
-}
-
-static void update_info(void)
-{
- unsigned int i, fn, fw;
- const char *mark;
- win_bar_t *l = &win.bar.l, *r = &win.bar.r;
-
- /* update bar contents */
- if (win.bar.h == 0)
- return;
- for (fw = 0, i = filecnt; i > 0; fw++, i /= 10);
- mark = files[fileidx].flags & FF_MARK ? "* " : "";
- l->p = l->buf;
- r->p = r->buf;
- if (mode == MODE_THUMB) {
- if (tns.loadnext < tns.end)
- bar_put(l, "Loading... %0*d", fw, tns.loadnext + 1);
- else if (tns.initnext < filecnt)
- bar_put(l, "Caching... %0*d", fw, tns.initnext + 1);
- else if (info.ft.err)
- strncpy(l->buf, files[fileidx].name, l->size);
- bar_put(r, "%s%0*d/%d", mark, fw, fileidx + 1, filecnt);
- } else {
- bar_put(r, "%s", mark);
- if (img.ss.on) {
- if (img.ss.delay % 10 != 0)
- bar_put(r, "%2.1fs" BAR_SEP, (float)img.ss.delay / 10);
- else
- bar_put(r, "%ds" BAR_SEP, img.ss.delay / 10);
- }
- if (img.gamma)
- bar_put(r, "G%+d" BAR_SEP, img.gamma);
- bar_put(r, "%3d%%" BAR_SEP, (int) (img.zoom * 100.0));
- if (img.multi.cnt > 0) {
- for (fn = 0, i = img.multi.cnt; i > 0; fn++, i /= 10);
- bar_put(r, "%0*d/%d" BAR_SEP, fn, img.multi.sel + 1, img.multi.cnt);
- }
- bar_put(r, "%0*d/%d", fw, fileidx + 1, filecnt);
- if (info.f.err)
- strncpy(l->buf, files[fileidx].name, l->size);
- }
-}
-
-int nav_button(void)
-{
- int x, y, nw;
-
- if (NAV_WIDTH == 0)
- return 1;
-
- win_cursor_pos(&win, &x, &y);
- nw = NAV_IS_REL ? win.w * NAV_WIDTH / 100 : NAV_WIDTH;
- nw = MIN(nw, (win.w + 1) / 2);
-
- if (x < nw)
- return 0;
- else if (x < win.w-nw)
- return 1;
- else
- return 2;
-}
-
-void redraw(void)
-{
- int t;
-
- if (mode == MODE_IMAGE) {
- img_render(&img);
- if (img.ss.on) {
- t = img.ss.delay * 100;
- if (img.multi.cnt > 0 && img.multi.animate)
- t = MAX(t, img.multi.length);
- set_timeout(slideshow, t, false);
- }
- } else {
- tns_render(&tns);
- }
- update_info();
- win_set_title(&win, false);
- win_draw(&win);
- reset_timeout(redraw);
- reset_cursor();
-}
-
-void reset_cursor(void)
-{
- int c;
- unsigned int i;
- cursor_t cursor = CURSOR_NONE;
-
- if (mode == MODE_IMAGE) {
- for (i = 0; i < ARRLEN(timeouts); i++) {
- if (timeouts[i].handler == reset_cursor) {
- if (timeouts[i].active) {
- c = nav_button();
- c = MAX(fileidx > 0 ? 0 : 1, c);
- c = MIN(fileidx + 1 < filecnt ? 2 : 1, c);
- cursor = imgcursor[c];
- }
- break;
- }
- }
- } 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) {
- close(pfd.writefd);
- error(0, errno, "open pipe");
- 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) {
- if (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 &&
- (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];
- struct timeval 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)
- 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 ? TV_TO_MS(&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 int fncmp(const void *a, const void *b)
-{
- return strcoll(((fileinfo_t*) a)->name, ((fileinfo_t*) b)->name);
-}
-
-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, start;
- size_t n;
- char *filename;
- const char *homedir, *dsuffix = "";
- struct stat fstats;
- r_dir_t dir;
-
- 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) {
- n = 0;
- filename = NULL;
- while (xgetline(&filename, &n))
- check_add_file(filename, true);
- free(filename);
- }
-
- for (i = 0; i < options->filecnt; i++) {
- filename = options->filenames[i];
-
- if (stat(filename, &fstats) < 0) {
- error(0, errno, "%s", filename);
- continue;
- }
- if (!S_ISDIR(fstats.st_mode)) {
- check_add_file(filename, true);
- } else {
- if (r_opendir(&dir, filename, options->recursive) < 0) {
- error(0, errno, "%s", filename);
- continue;
- }
- start = fileidx;
- while ((filename = r_readdir(&dir, true)) != NULL) {
- check_add_file(filename, false);
- free((void*) filename);
- }
- r_closedir(&dir);
- if (fileidx - start > 1)
- qsort(files + start, fileidx - start, sizeof(fileinfo_t), fncmp);
- }
- }
-
- 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 < 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-02 13:23:36 +0000