* [PATCH] kconfig: lxdialog: Support home/end when editing values
@ 2021-10-16 11:26 Josh Triplett
0 siblings, 0 replies; only message in thread
From: Josh Triplett @ 2021-10-16 11:26 UTC (permalink / raw)
To: Masahiro Yamada; +Cc: linux-kbuild, linux-kernel
When editing long string values, this makes navigation much easier.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
---
Ran into this when repeatedly editing CONFIG_CMDLINE and wanting to
change the first value.
scripts/kconfig/lxdialog/inputbox.c | 33 +++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/scripts/kconfig/lxdialog/inputbox.c b/scripts/kconfig/lxdialog/inputbox.c
index 1dcfb288ee63..25c7cb05b3da 100644
--- a/scripts/kconfig/lxdialog/inputbox.c
+++ b/scripts/kconfig/lxdialog/inputbox.c
@@ -181,6 +181,39 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
pos++;
}
continue;
+ case KEY_HOME:
+ if (pos > 0) {
+ pos = show_x = input_x = 0;
+ wmove(dialog, box_y, box_x);
+ for (i = 0; i < box_width; i++)
+ waddch(dialog, ' ');
+ wmove(dialog, box_y, box_x);
+ for (i = 0; i < box_width && instr[show_x + i]; i++)
+ waddch(dialog, instr[show_x + i]);
+ wmove(dialog, box_y, box_x);
+ }
+ continue;
+ case KEY_END:
+ if (pos < len) {
+ pos = len;
+ wmove(dialog, box_y, box_x);
+ for (i = 0; i < box_width; i++)
+ waddch(dialog, ' ');
+ wmove(dialog, box_y, box_x);
+ if (len < box_width) {
+ show_x = 0;
+ input_x = box_width - 1;
+ for (i = 0; i < box_width && instr[show_x + i]; i++)
+ waddch(dialog, instr[show_x + i]);
+ } else {
+ show_x = len - box_width + 1;
+ input_x = box_width - 1;
+ }
+ for (i = 0; i < box_width && instr[show_x + i]; i++)
+ waddch(dialog, instr[show_x + i]);
+ wmove(dialog, box_y, input_x + box_x);
+ }
+ continue;
default:
if (key < 0x100 && isprint(key)) {
if (len < MAX_LEN) {
--
2.33.0
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