p/sdn
1
1
Fork 0
Code Issues 2 Pull Requests Releases 1 Wiki Activity

Track cursor position in the editor

Browse Source 
Updates #4
This commit is contained in:
Přemysl Eric Janouch 2020-10-21 23:13:09 +02:00
parent bbd23187bc
commit 33a8e26efc
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 13 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
sdn.cpp
View File

@ -523,6 +523,7 @@ static struct {
const wchar_t *editor; ///< Prompt string for editing
wstring editor_line; ///< Current user input
int editor_cursor = 0; ///< Cursor position
void (*editor_on_change) (); ///< Callback on editor change
void (*editor_on_confirm) (); ///< Callback on editor confirmation
@ -742,8 +743,11 @@ fun update () {
curs_set (0);
if (g.editor) {
move (LINES - 1, 0);
auto p = apply_attrs (wstring (g.editor) + L": ", 0);
move (LINES - 1, print (p + apply_attrs (g.editor_line, 0), COLS - 1));
auto prompt = apply_attrs (wstring (g.editor) + L": ", 0);
auto line = apply_attrs (g.editor_line, 0);
print (prompt + line, COLS - 1);
auto start = sanitize (prompt + line.substr (0, g.editor_cursor));
move (LINES - 1, compute_width (start));
curs_set (1);
} else if (!g.message.empty ()) {
move (LINES - 1, 0);
@ -1175,20 +1179,22 @@ fun handle_editor (wint_t c) {
g.editor_on_confirm ();
// Fall-through
case ACTION_INPUT_ABORT:
g.editor_line.clear ();
g.editor = 0;
g.editor_line.clear ();
g.editor_cursor = 0;
g.editor_on_change = nullptr;
g.editor_on_confirm = nullptr;
break;
case ACTION_INPUT_B_DELETE:
if (!g.editor_line.empty ())
g.editor_line.erase (g.editor_line.length () - 1);
if (g.editor_cursor > 0)
g.editor_line.erase (--g.editor_cursor, 1);
break;
default:
if (c & (ALT | SYM)) {
beep ();
} else {
g.editor_line += c;
g.editor_line.insert (g.editor_cursor, 1, c);
g.editor_cursor++;
if (g.editor_on_change)
g.editor_on_change ();
}
@ -1312,6 +1318,7 @@ fun handle (wint_t c) -> bool {
break;
case ACTION_RENAME_PREFILL:
g.editor_line = to_wide (current.filename);
g.editor_cursor = g.editor_line.length ();
// Fall-through
case ACTION_RENAME:
g.editor = L"rename";