diff --git a/src/fe-text/gui-readline.c b/src/fe-text/gui-readline.c index ec61e317..61cdad1a 100644 --- a/src/fe-text/gui-readline.c +++ b/src/fe-text/gui-readline.c @@ -37,6 +37,7 @@ #include "gui-windows.h" #include "utf8.h" +#include #include typedef void (*ENTRY_REDIRECT_KEY_FUNC) (int key, void *data, SERVER_REC *server, WI_ITEM_REC *item); @@ -60,11 +61,20 @@ static int paste_detect_time, paste_verify_line_count; static char *paste_entry; static int paste_entry_pos; static GArray *paste_buffer; +static GArray *paste_buffer_rest; static char *paste_old_prompt; static int paste_prompt, paste_line_count; static int paste_join_multiline; static int paste_timeout_id; +static int paste_use_bracketed_mode; +static int paste_bracketed_mode; + +/* Terminal sequences that surround the input when the terminal has the + * bracketed paste mode active. Fror more details see + * https://cirw.in/blog/bracketed-paste */ +static const unichar bp_start[] = { 0x1b, '[', '2', '0', '0', '~' }; +static const unichar bp_end[] = { 0x1b, '[', '2', '0', '1', '~' }; static void sig_input(void); @@ -322,6 +332,12 @@ static void paste_flush(int send) paste_send(); g_array_set_size(paste_buffer, 0); + /* re-add anything that may have been after the bracketed paste end */ + if (paste_buffer_rest->len) { + g_array_append_vals(paste_buffer, paste_buffer_rest->data, paste_buffer_rest->len); + g_array_set_size(paste_buffer_rest, 0); + } + gui_entry_set_prompt(active_entry, paste_old_prompt == NULL ? "" : paste_old_prompt); g_free(paste_old_prompt); paste_old_prompt = NULL; @@ -634,6 +650,26 @@ static gboolean paste_timeout(gpointer data) return FALSE; } +static void paste_bracketed_end(int i, gboolean rest) +{ + /* if there's stuff after the end bracket, save it for later */ + if (rest) { + unichar *start = ((unichar *) paste_buffer->data) + i + G_N_ELEMENTS(bp_end); + int len = paste_buffer->len - G_N_ELEMENTS(bp_end); + + g_array_set_size(paste_buffer_rest, 0); + g_array_append_vals(paste_buffer_rest, start, len); + } + + /* remove the rest, including the trailing sequence chars */ + g_array_set_size(paste_buffer, i); + + /* decide what to do with the buffer */ + paste_timeout(NULL); + + paste_bracketed_mode = FALSE; +} + static void sig_input(void) { if (!active_entry) { @@ -647,21 +683,47 @@ static void sig_input(void) unichar key; term_gets(buffer, &line_count); key = g_array_index(buffer, unichar, 0); + /* Either Ctrl-k or Ctrl-c is pressed */ if (key == 11 || key == 3) paste_flush(key == 11); g_array_free(buffer, TRUE); } else { term_gets(paste_buffer, &paste_line_count); - if (paste_detect_time > 0 && paste_buffer->len >= 3) { + + /* use the bracketed paste mode to detect when the user pastes + * some text into the entry */ + if (paste_bracketed_mode) { + int i; + int len = paste_buffer->len - G_N_ELEMENTS(bp_end); + unichar *ptr = (unichar *) paste_buffer->data; + + if (len <= 0) { + return; + } + + for (i = 0; i <= len; i++, ptr++) { + if (ptr[0] == bp_end[0] && !memcmp(ptr, bp_end, sizeof(bp_end))) { + paste_bracketed_end(i, i != len); + break; + } + } + } + else if (paste_detect_time > 0 && paste_buffer->len >= 3) { if (paste_timeout_id != -1) g_source_remove(paste_timeout_id); paste_timeout_id = g_timeout_add(paste_detect_time, paste_timeout, NULL); - } else { + } else if (!paste_bracketed_mode) { int i; for (i = 0; i < paste_buffer->len; i++) { unichar key = g_array_index(paste_buffer, unichar, i); signal_emit("gui key pressed", 1, GINT_TO_POINTER(key)); + + if (paste_bracketed_mode) { + /* just enabled by the signal, remove what was processed so far */ + g_array_remove_range(paste_buffer, 0, i + 1); + return; + } } g_array_set_size(paste_buffer, 0); paste_line_count = 0; @@ -669,6 +731,11 @@ static void sig_input(void) } } +static void key_paste_start(void) +{ + paste_bracketed_mode = TRUE; +} + time_t get_idle_time(void) { return last_keypress.tv_sec; @@ -930,6 +997,10 @@ static void setup_changed(void) paste_verify_line_count = settings_get_int("paste_verify_line_count"); paste_join_multiline = settings_get_bool("paste_join_multiline"); + paste_use_bracketed_mode = settings_get_bool("paste_use_bracketed_mode"); + + /* Enable the bracketed paste mode on demand */ + term_set_bracketed_paste_mode(paste_use_bracketed_mode); } void gui_readline_init(void) @@ -943,13 +1014,16 @@ void gui_readline_init(void) paste_entry = NULL; paste_entry_pos = 0; paste_buffer = g_array_new(FALSE, FALSE, sizeof(unichar)); + paste_buffer_rest = g_array_new(FALSE, FALSE, sizeof(unichar)); paste_old_prompt = NULL; paste_timeout_id = -1; + paste_bracketed_mode = FALSE; g_get_current_time(&last_keypress); input_listen_init(STDIN_FILENO); settings_add_str("history", "scroll_page_count", "/2"); settings_add_time("misc", "paste_detect_time", "5msecs"); + settings_add_bool("misc", "paste_use_bracketed_mode", FALSE); /* NOTE: function keys can generate at least 5 characters long keycodes. this must be larger to allow them to work. */ settings_add_int("misc", "paste_verify_line_count", 5); @@ -1020,6 +1094,8 @@ void gui_readline_init(void) key_bind("key", NULL, "meta2-5F", "cend", (SIGNAL_FUNC) key_combo); key_bind("key", NULL, "meta2-1;5F", "cend", (SIGNAL_FUNC) key_combo); + key_bind("paste_start", "Bracketed paste start", "meta2-200~", "paste_start", (SIGNAL_FUNC) key_paste_start); + /* cursor movement */ key_bind("backward_character", "Move the cursor a character backward", "left", NULL, (SIGNAL_FUNC) key_backward_character); key_bind("forward_character", "Move the cursor a character forward", "right", NULL, (SIGNAL_FUNC) key_forward_character); @@ -1115,6 +1191,8 @@ void gui_readline_deinit(void) key_configure_freeze(); + key_unbind("paste_start", (SIGNAL_FUNC) key_paste_start); + key_unbind("backward_character", (SIGNAL_FUNC) key_backward_character); key_unbind("forward_character", (SIGNAL_FUNC) key_forward_character); key_unbind("backward_word", (SIGNAL_FUNC) key_backward_word); @@ -1172,6 +1250,7 @@ void gui_readline_deinit(void) key_unbind("stop_irc", (SIGNAL_FUNC) key_sig_stop); keyboard_destroy(keyboard); g_array_free(paste_buffer, TRUE); + g_array_free(paste_buffer_rest, TRUE); key_configure_thaw(); diff --git a/src/fe-text/term-terminfo.c b/src/fe-text/term-terminfo.c index ded79c28..9376bda8 100644 --- a/src/fe-text/term-terminfo.c +++ b/src/fe-text/term-terminfo.c @@ -689,3 +689,11 @@ void term_gets(GArray *buffer, int *line_count) } } } + +void term_set_bracketed_paste_mode(int enable) +{ + if (enable) + tputs("\e[?2004h", 0, term_putchar); + else + tputs("\e[?2004l", 0, term_putchar); +} diff --git a/src/fe-text/term.h b/src/fe-text/term.h index cdcc787a..692ce9c5 100644 --- a/src/fe-text/term.h +++ b/src/fe-text/term.h @@ -94,6 +94,8 @@ void term_refresh(TERM_WINDOW *window); void term_stop(void); +void term_set_bracketed_paste_mode(int enable); + /* keyboard input handling */ void term_set_input_type(int type); void term_gets(GArray *buffer, int *line_count);