From e8eaa2366a7443a5727a35d02f0f5b53d9cfe89e Mon Sep 17 00:00:00 2001 From: Přemysl Eric Janouch Date: Thu, 22 Oct 2020 00:05:24 +0200 Subject: Implement Delete in the editor Not caring about C-d right now, we might have to convince the tty to send it to us--I'm not sure if it does, or returns EOF. Updates #4 --- sdn.cpp | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/sdn.cpp b/sdn.cpp index 83a887a..661b754 100644 --- a/sdn.cpp +++ b/sdn.cpp @@ -415,7 +415,7 @@ enum { ALT = 1 << 24, SYM = 1 << 25 }; // Outside the range of Unicode XX(CHDIR) XX(PARENT) XX(GO_START) XX(GO_HOME) \ XX(SEARCH) XX(RENAME) XX(RENAME_PREFILL) \ XX(TOGGLE_FULL) XX(REVERSE_SORT) XX(SHOW_HIDDEN) XX(REDRAW) XX(RELOAD) \ - XX(INPUT_ABORT) XX(INPUT_CONFIRM) XX(INPUT_B_DELETE) \ + XX(INPUT_ABORT) XX(INPUT_CONFIRM) XX(INPUT_B_DELETE) XX(INPUT_DELETE) \ XX(INPUT_BACKWARD) XX(INPUT_FORWARD) XX(INPUT_BEGINNING) XX(INPUT_END) #define XX(name) ACTION_ ## name, @@ -453,7 +453,7 @@ static map g_input_actions { {L'\r', ACTION_INPUT_CONFIRM}, {KEY (ENTER), ACTION_INPUT_CONFIRM}, // Sometimes terminfo is wrong, we need to accept both of these {L'\b', ACTION_INPUT_B_DELETE}, {CTRL ('?'), ACTION_INPUT_B_DELETE}, - {KEY (BACKSPACE), ACTION_INPUT_B_DELETE}, + {KEY (BACKSPACE), ACTION_INPUT_B_DELETE}, {KEY (DC), ACTION_INPUT_DELETE}, {CTRL ('B'), ACTION_INPUT_BACKWARD}, {KEY (LEFT), ACTION_INPUT_BACKWARD}, {CTRL ('F'), ACTION_INPUT_FORWARD}, {KEY (RIGHT), ACTION_INPUT_FORWARD}, {CTRL ('A'), ACTION_INPUT_BEGINNING}, {KEY (HOME), ACTION_INPUT_BEGINNING}, @@ -1219,6 +1219,15 @@ fun handle_editor (wint_t c) { break; } break; + case ACTION_INPUT_DELETE: + // Remove the next character including its postfix combining characters + while (g.editor_cursor < int (g.editor_line.length ())) { + g.editor_line.erase (g.editor_cursor, 1); + if (g.editor_cursor >= int (g.editor_line.length ()) + || wcwidth (g.editor_line.at (g.editor_cursor))) + break; + } + break; default: if (c & (ALT | SYM)) { beep (); -- cgit v1.2.3-70-g09d2