void feh_event_handle_stdin()
{
char stdin_buf[2];
static char is_esc = 0;
KeySym keysym = NoSymbol;
if (read(STDIN_FILENO, &stdin_buf, 1) == -1) {
control_via_stdin = 0;
if (isatty(STDIN_FILENO) && getpgrp() == (tcgetpgrp(STDIN_FILENO))) {
weprintf("reading a command from stdin failed - disabling control via stdin");
restore_stdin();
}
return;
}
stdin_buf[1] = '\0';
// escape?
if (stdin_buf[0] == 0x1b) {
is_esc = 1;
return;
}
if ((is_esc == 1) && (stdin_buf[0] == '[')) {
is_esc = 2;
return;
}
if (stdin_buf[0] == ' ')
keysym = XK_space;
else if (stdin_buf[0] == '\n')
keysym = XK_Return;
else if ((stdin_buf[0] == '\b') || (stdin_buf[0] == 127))
keysym = XK_BackSpace;
else if (is_esc == 2) {
if (stdin_buf[0] == 'A')
keysym = XK_Up;
else if (stdin_buf[0] == 'B')
keysym = XK_Down;
else if (stdin_buf[0] == 'C')
keysym = XK_Right;
else if (stdin_buf[0] == 'D')
keysym = XK_Left;
is_esc = 0;
}
else
keysym = XStringToKeysym(stdin_buf);
if (window_num)
feh_event_handle_generic(windows[0], is_esc * Mod1Mask, keysym, 0);
is_esc = 0;
}
void feh_event_handle_keypress(XEvent * ev)
{
int state;
char kbuf[20];
KeySym keysym;
XKeyEvent *kev;
winwidget winwid = NULL;
feh_menu_item *selected_item;
feh_menu *selected_menu;
winwid = winwidget_get_from_window(ev->xkey.window);
/* nuke dupe events, unless we're typing text */
if (winwid && !winwid->caption_entry) {
while (XCheckTypedWindowEvent(disp, ev->xkey.window, KeyPress, ev));
}
kev = (XKeyEvent *) ev;
XLookupString(&ev->xkey, (char *) kbuf, sizeof(kbuf), &keysym, NULL);
state = kev->state & (ControlMask | ShiftMask | Mod1Mask | Mod4Mask);
if (ignore_space(keysym))
state &= ~ShiftMask;
/* menus are showing, so this is a menu control keypress */
if (ev->xbutton.window == menu_cover) {
selected_item = feh_menu_find_selected_r(menu_root, &selected_menu);
if (feh_is_kp(EVENT_menu_close, state, keysym, 0))
feh_menu_hide(menu_root, True);
else if (feh_is_kp(EVENT_menu_parent, state, keysym, 0))
feh_menu_select_parent(selected_menu);
else if (feh_is_kp(EVENT_menu_down, state, keysym, 0))
feh_menu_select_next(selected_menu, selected_item);
else if (feh_is_kp(EVENT_menu_up, state, keysym, 0))
feh_menu_select_prev(selected_menu, selected_item);
else if (feh_is_kp(EVENT_menu_child, state, keysym, 0))
feh_menu_select_submenu(selected_menu);
else if (feh_is_kp(EVENT_menu_select, state, keysym, 0))
feh_menu_item_activate(selected_menu, selected_item);
return;
}
if (winwid == NULL)
return;
feh_event_handle_generic(winwid, state, keysym, 0);
}
void feh_event_handle_keypress(XEvent * ev)
{
int state;
char kbuf[20];
KeySym keysym;
XKeyEvent *kev;
winwidget winwid = NULL;
feh_menu_item *selected_item;
feh_menu *selected_menu;
winwid = winwidget_get_from_window(ev->xkey.window);
/* nuke dupe events, unless we're typing text */
if (winwid && !winwid->caption_entry) {
while (XCheckTypedWindowEvent(disp, ev->xkey.window, KeyPress, ev));
}
kev = (XKeyEvent *) ev;
XLookupString(&ev->xkey, (char *) kbuf, sizeof(kbuf), &keysym, NULL);
state = kev->state & (ControlMask | ShiftMask | Mod1Mask | Mod4Mask);
if (isascii(keysym))
state &= ~ShiftMask;
/* menus are showing, so this is a menu control keypress */
if (ev->xbutton.window == menu_cover) {
selected_item = feh_menu_find_selected_r(menu_root, &selected_menu);
if (feh_is_kp(&keys.menu_close, state, keysym, 0))
feh_menu_hide(menu_root, True);
else if (feh_is_kp(&keys.menu_parent, state, keysym, 0))
feh_menu_select_parent(selected_menu);
else if (feh_is_kp(&keys.menu_down, state, keysym, 0))
feh_menu_select_next(selected_menu, selected_item);
else if (feh_is_kp(&keys.menu_up, state, keysym, 0))
feh_menu_select_prev(selected_menu, selected_item);
else if (feh_is_kp(&keys.menu_child, state, keysym, 0))
feh_menu_select_submenu(selected_menu);
else if (feh_is_kp(&keys.menu_select, state, keysym, 0))
feh_menu_item_activate(selected_menu, selected_item);
return;
}
if (winwid == NULL)
return;
if (winwid->caption_entry) {
switch (keysym) {
case XK_Return:
if (state & ControlMask) {
/* insert actual newline */
ESTRAPPEND(FEH_FILE(winwid->file->data)->caption, "\n");
winwidget_render_image_cached(winwid);
} else {
/* finish caption entry, write to captions file */
FILE *fp;
char *caption_filename;
caption_filename =
build_caption_filename(FEH_FILE(winwid->file->data), 1);
winwid->caption_entry = 0;
winwidget_render_image_cached(winwid);
XFreePixmap(disp, winwid->bg_pmap_cache);
winwid->bg_pmap_cache = 0;
fp = fopen(caption_filename, "w");
if (!fp) {
eprintf("couldn't write to captions file %s:", caption_filename);
return;
}
fprintf(fp, "%s", FEH_FILE(winwid->file->data)->caption);
free(caption_filename);
fclose(fp);
}
break;
case XK_Escape:
/* cancel, revert caption */
winwid->caption_entry = 0;
free(FEH_FILE(winwid->file->data)->caption);
FEH_FILE(winwid->file->data)->caption = NULL;
winwidget_render_image_cached(winwid);
XFreePixmap(disp, winwid->bg_pmap_cache);
winwid->bg_pmap_cache = 0;
break;
case XK_BackSpace:
/* backspace */
ESTRTRUNC(FEH_FILE(winwid->file->data)->caption, 1);
winwidget_render_image_cached(winwid);
break;
default:
if (isascii(keysym)) {
/* append to caption */
ESTRAPPEND_CHAR(FEH_FILE(winwid->file->data)->caption, keysym);
winwidget_render_image_cached(winwid);
}
break;
}
return;
}
feh_event_handle_generic(winwid, state, keysym, 0);
}
