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cursor can no longer run off screen

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anon 2024-08-13 14:13:52 +02:00
parent 117cfe0431
commit 61302258aa
1 changed files with 14 additions and 5 deletions
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19
source/tui.c
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@ -8,16 +8,21 @@
extern bool do_execute;
size_t entry_lines;
size_t selection_offset = 0;
/* "Cursor" position; the entry selected by the user
*/
size_t selection_relative = 0;
size_t selection_offset = 0;
size_t entry_lines;
bool is_input_changed = true;
bool do_redisplay = true;
/* "Cursor" position; the entry selected by the user
/* Counter to signal which line to print to,
* and saved counterpart which is used to
* determine how many lines were printed.
*/
static size_t entry_line_index = 0;
static size_t entry_line_index = 0;
static size_t last_entry_line_index = 0;
static char version_string[] =
# include "version.inc"
@ -131,7 +136,6 @@ void full_redraw(void) {
static
void refresh_input(void) {
entry_line_index = 0;
wmove(input_window, 0, 0);
wclrtoeol(input_window);
waddstr(input_window, "$ ");
@ -147,6 +151,7 @@ void tui_refresh(void) {
return;
}
last_entry_line_index = entry_line_index;
if (entry_line_index+1 < entry_lines) {
while (entry_line_index != entry_lines) {
wmove(entry_window, entry_lines-entry_line_index++, 0);
@ -155,6 +160,7 @@ void tui_refresh(void) {
wmove(entry_window, entry_lines-entry_line_index, 0);
wclrtoeol(entry_window);
}
entry_line_index = 0;
refresh_input();
@ -173,6 +179,9 @@ void tui_take_input(void) {
case KEY_UP:
case CTRL('p'):
case CTRL('k'): {
if (selection_relative == last_entry_line_index-2) {
break;
}
if (selection_relative != entry_lines-1) {
++selection_relative;
do_redisplay = true;