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Spawn info script & update bar contents only when needed

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This commit is contained in:
Bert Münnich 2013-02-12 17:55:47 +01:00
parent f3298400e6
commit 30802cec0f
3 changed files with 26 additions and 11 deletions
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8
commands.c
View File

@ -33,6 +33,7 @@
void cleanup(void);
void remove_file(int, bool);
void load_image(int);
void open_info(void);
void redraw(void);
void reset_cursor(void);
void animate(void);
@ -92,10 +93,13 @@ bool it_toggle_fullscreen(arg_t a)
bool it_toggle_bar(arg_t a)
{
win_toggle_bar(&win);
if (mode == MODE_IMAGE)
if (mode == MODE_IMAGE) {
img.checkpan = img.dirty = true;
else
if (win.bar.h > 0)
open_info();
} else {
tns.dirty = true;
}
return true;
}

24
main.c
View File

@ -76,6 +76,7 @@ struct {
char *script;
int fd;
unsigned int i, lastsep;
bool open;
} info;
timeout_t timeouts[] = {
@ -218,23 +219,25 @@ void open_info(void)
static pid_t pid;
int pfd[2];
win.bar.l[0] = '\0';
if (info.script == NULL || info.open || win.bar.h == 0)
return;
if (info.fd != -1) {
close(info.fd);
kill(pid, SIGTERM);
while (waitpid(-1, NULL, WNOHANG) > 0);
info.fd = -1;
}
if (info.script == NULL || pipe(pfd) < 0)
return;
win.bar.l[0] = '\0';
if (pipe(pfd) < 0)
return;
pid = fork();
if (pid > 0) {
close(pfd[1]);
fcntl(pfd[0], F_SETFL, O_NONBLOCK);
info.fd = pfd[0];
info.i = info.lastsep = 0;
info.open = true;
} else if (pid == 0) {
close(pfd[0]);
dup2(pfd[1], 1);
@ -293,6 +296,7 @@ void load_image(int new)
alternate = fileidx;
fileidx = new;
info.open = false;
open_info();
if (img.multi.cnt > 0 && img.multi.animate)
@ -312,9 +316,18 @@ void update_info(void)
for (fw = 0, i = filecnt; i > 0; fw++, i /= 10);
sel = mode == MODE_IMAGE ? fileidx : tns.sel;
/* update window title */
if (mode == MODE_THUMB) {
win_set_title(&win, "sxiv");
} else {
snprintf(title, sizeof(title), "sxiv - %s", files[sel].name);
win_set_title(&win, title);
}
/* update bar contents */
if (win.bar.h == 0)
return;
if (mode == MODE_THUMB) {
if (tns.cnt == filecnt) {
n = snprintf(rt, rlen, "%0*d/%d", fw, sel + 1, filecnt);
ow_info = true;
@ -324,9 +337,6 @@ void update_info(void)
ow_info = false;
}
} else {
snprintf(title, sizeof(title), "sxiv - %s", files[sel].name);
win_set_title(&win, title);
n = snprintf(rt, rlen, "%3d%% ", (int) (img.zoom * 100.0));
if (img.multi.cnt > 0) {
for (fn = 0, i = img.multi.cnt; i > 0; fn++, i /= 10);

5
window.c
View File

@ -119,12 +119,15 @@ void win_init(win_t *win)
e->cmap = DefaultColormap(e->dpy, e->scr);
e->depth = DefaultDepth(e->dpy, e->scr);
win_init_font(e->dpy, BAR_FONT);
win->white = WhitePixel(e->dpy, e->scr);
win->bgcol = win_alloc_color(win, WIN_BG_COLOR);
win->fscol = win_alloc_color(win, WIN_FS_COLOR);
win->selcol = win_alloc_color(win, SEL_COLOR);
win->bar.bgcol = win_alloc_color(win, BAR_BG_COLOR);
win->bar.fgcol = win_alloc_color(win, BAR_FG_COLOR);
win->bar.h = options->hide_bar ? 0 : barheight;
win->sizehints.flags = PWinGravity;
win->sizehints.win_gravity = NorthWestGravity;
@ -135,8 +138,6 @@ void win_init(win_t *win)
if (setlocale(LC_CTYPE, "") == NULL || XSupportsLocale() == 0)
warn("no locale support");
win_init_font(e->dpy, BAR_FONT);
wm_delete_win = XInternAtom(e->dpy, "WM_DELETE_WINDOW", False);
}