Pass file paths to key handler via stdin; fixes issue #187
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51854c6148
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216ad81b59
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@ -2,8 +2,9 @@
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# Example for $XDG_CONFIG_HOME/sxiv/exec/key-handler
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# Called by sxiv(1) after the external prefix key (C-x by default) is pressed.
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# The next key combo is passed as its first argument, followed by the paths of
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# all marked images or the path of the current image, if no image is marked.
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# The next key combo is passed as its first argument. The paths of all marked
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# images--or of the current image, if no image is marked--are passed via stdin,
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# one file path per line.
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# sxiv(1) blocks until this script terminates. It then checks which images
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# have been modified and reloads them.
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@ -11,12 +12,13 @@
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# where C/M/S indicate Ctrl/Meta(Alt)/Shift modifier states and KEY is the X
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# keysym as listed in /usr/include/X11/keysymdef.h without the "XK_" prefix.
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readonly KEY="$1"; shift
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readonly KEY="$1";
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readonly TAGFILE="$HOME/.config/sxiv/tags"
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readonly TMPFILE="/tmp/sxiv.$$"
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rotate() {
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degree="$1"; shift
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for file in "$@"; do
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degree="$1"
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while read file; do
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case "$(file -b -i "$file")" in
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image/jpeg*) jpegtran -rotate "$degree" -copy all -outfile "$file" "$file" ;;
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*) mogrify -rotate "$degree" "$file" ;;
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@ -28,25 +30,27 @@ tag_add() {
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>>"$TAGFILE"
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tags=$(dmenu <"$TAGFILE" | tr '\n' ',')
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[ -z "$tags" ] && return
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iptckwed -a "$tags" "$@"
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iptckwed -i -a "$tags"
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echo -n "$tags" | tr ',' '\n' | sort - "$TAGFILE" | uniq >"$TAGFILE.new"
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mv -f "$TAGFILE"{.new,}
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}
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tag_del() {
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tags=$(iptckwed -ql "$@" | cut -f 2 | tr ',' '\n' | sort | uniq | dmenu | tr '\n' ',')
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cat >"$TMPFILE"
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tags=$(iptckwed -iql <"$TMPFILE" | cut -f 2 | tr ',' '\n' | sort | uniq | dmenu | tr '\n' ',')
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[ -z "$tags" ] && return
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iptckwed -r "$tags" "$@"
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iptckwed -i -r "$tags" <"$TMPFILE"
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rm -f "$TMPFILE"
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}
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case "$KEY" in
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"C-c") echo -n "$@" | xsel -i ;;
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"C-e") for file in "$@"; do urxvt -bg "#444" -fg "#eee" -sl 0 -title "$file" -e sh -c "exiv2 pr -q -pa '$file' | less" & done ;;
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"C-g") gimp "$@" & ;;
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"C-comma") rotate 270 "$@" ;;
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"C-period") rotate 90 "$@" ;;
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"C-slash") rotate 180 "$@" ;;
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"C-t") tag_add "$@" ;;
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"M-T") tag_del "$@" ;;
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"C-c") tr '\n' ' ' | xsel -i ;;
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"C-e") while read file; do urxvt -bg "#444" -fg "#eee" -sl 0 -title "$file" -e sh -c "exiv2 pr -q -pa '$file' | less" & done ;;
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"C-g") tr '\n' '\0' | xargs -0 gimp & ;;
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"C-comma") rotate 270 ;;
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"C-period") rotate 90 ;;
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"C-slash") rotate 180 ;;
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"C-t") tag_add ;;
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"M-T") tag_del ;;
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esac
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85
main.c
85
main.c
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@ -481,12 +481,13 @@ void clear_resize(void)
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void run_key_handler(const char *key, unsigned int mask)
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{
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pid_t pid;
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int i, j, retval, status;
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int fcnt = mode == MODE_THUMB && markcnt > 0 ? markcnt : 1;
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FILE *pfs;
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bool marked = mode == MODE_THUMB && markcnt > 0;
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bool changed = false;
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char **args, kstr[32], oldbar[BAR_L_LEN];
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struct stat *oldst, newst;
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struct { int fn; struct stat st; } *finfo;
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int f, i, pfd[2], retval, status;
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int fcnt = marked ? markcnt : 1;
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char kstr[32], oldbar[BAR_L_LEN];
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struct stat *oldst, st;
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if (keyhandler.cmd == NULL) {
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if (!keyhandler.warned) {
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@ -498,55 +499,66 @@ void run_key_handler(const char *key, unsigned int mask)
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if (key == NULL)
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return;
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finfo = s_malloc(fcnt * sizeof(*finfo));
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args = s_malloc((fcnt + 3) * sizeof(*args));
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args[0] = keyhandler.cmd;
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args[1] = kstr;
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args[fcnt+2] = NULL;
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if (mode == MODE_IMAGE || markcnt == 0) {
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finfo[0].fn = fileidx;
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stat(files[fileidx].path, &finfo[0].st);
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args[2] = (char*) files[fileidx].path;
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} else for (i = j = 0; i < filecnt; i++) {
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if (files[i].marked) {
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finfo[j].fn = i;
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stat(files[i].path, &finfo[j++].st);
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args[j+1] = (char*) files[i].path;
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}
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if (pipe(pfd) < 0) {
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warn("could not create pipe for key handler");
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return;
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}
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snprintf(kstr, sizeof(kstr), "%s%s%s%s",
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mask & ControlMask ? "C-" : "",
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mask & Mod1Mask ? "M-" : "",
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mask & ShiftMask ? "S-" : "", key);
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if ((pfs = fdopen(pfd[1], "w")) == NULL) {
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close(pfd[0]), close(pfd[1]);
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warn("could not open pipe for key handler");
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return;
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}
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oldst = s_malloc(fcnt * sizeof(*oldst));
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memcpy(oldbar, win.bar.l.buf, sizeof(oldbar));
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strncpy(win.bar.l.buf, "Running key handler...", win.bar.l.size);
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win_draw(&win);
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win_set_cursor(&win, CURSOR_WATCH);
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snprintf(kstr, sizeof(kstr), "%s%s%s%s",
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mask & ControlMask ? "C-" : "",
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mask & Mod1Mask ? "M-" : "",
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mask & ShiftMask ? "S-" : "", key);
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if ((pid = fork()) == 0) {
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execv(keyhandler.cmd, args);
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close(pfd[1]);
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dup2(pfd[0], 0);
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execl(keyhandler.cmd, keyhandler.cmd, kstr, NULL);
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warn("could not exec key handler");
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exit(EXIT_FAILURE);
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} else if (pid < 0) {
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}
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close(pfd[0]);
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if (pid < 0) {
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fclose(pfs);
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warn("could not fork key handler");
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goto end;
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}
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for (f = i = 0; f < fcnt; i++) {
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if ((marked && files[i].marked) || (!marked && i == fileidx)) {
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stat(files[i].path, &oldst[f]);
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fprintf(pfs, "%s\n", files[i].name);
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f++;
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}
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}
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fclose(pfs);
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waitpid(pid, &status, 0);
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retval = WEXITSTATUS(status);
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if (WIFEXITED(status) == 0 || retval != 0)
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warn("key handler exited with non-zero return value: %d", retval);
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for (i = 0; i < fcnt; i++) {
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oldst = &finfo[i].st;
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if (stat(files[finfo[i].fn].path, &newst) != 0 ||
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memcmp(&oldst->st_mtime, &newst.st_mtime, sizeof(newst.st_mtime)) != 0)
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{
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if (tns.thumbs != NULL) {
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tns_unload(&tns, finfo[i].fn);
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tns.loadnext = MIN(tns.loadnext, finfo[i].fn);
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for (f = i = 0; f < fcnt; i++) {
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if ((marked && files[i].marked) || (!marked && i == fileidx)) {
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if (stat(files[i].path, &st) != 0 ||
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memcmp(&oldst[f].st_mtime, &st.st_mtime, sizeof(st.st_mtime)) != 0)
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{
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if (tns.thumbs != NULL) {
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tns_unload(&tns, i);
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tns.loadnext = MIN(tns.loadnext, i);
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}
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changed = true;
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}
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changed = true;
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f++;
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}
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}
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end:
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@ -558,10 +570,9 @@ end:
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memcpy(win.bar.l.buf, oldbar, win.bar.l.size);
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}
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}
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free(oldst);
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reset_cursor();
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redraw();
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free(finfo);
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free(args);
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}
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#define MODMASK(mask) ((mask) & (ShiftMask|ControlMask|Mod1Mask))
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5
sxiv.1
5
sxiv.1
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@ -358,8 +358,9 @@ located in
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.IR $XDG_CONFIG_HOME/sxiv/exec/key-handler .
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The handler is invoked by pressing
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.BR Ctrl-x .
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The next key combo is then passed as its first argument, followed by the paths
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of all marked images or the path of the current image, if no image is marked.
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The next key combo is passed as its first argument. The paths of all marked
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images--or of the current image, if no image is marked--are passed via stdin,
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one file path per line.
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sxiv(1) will block until the handler terminates. It then checks which images
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have been modified and reloads them.
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