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Diffstat (limited to 'src/editor.c')
| -rw-r--r-- | src/editor.c | 580 |
1 files changed, 0 insertions, 580 deletions
diff --git a/src/editor.c b/src/editor.c deleted file mode 100644 index 6c17754..0000000 --- a/src/editor.c +++ /dev/null @@ -1,580 +0,0 @@ -/* Copyright (C) 2000, 2001, 2002, 2003, 2004 Shawn Betts <sabetts@vcn.bc.ca> - * - * This file is part of ratpoison. - * - * ratpoison is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * ratpoison is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, - * Boston, MA 02111-1307 USA - */ - -#include <ctype.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <X11/Xlib.h> -#include <X11/keysym.h> -#include <X11/Xutil.h> -#include <X11/Xatom.h> - -#include "ratpoison.h" - -/* bind functions */ -static edit_status editor_forward_char (rp_input_line *line); -static edit_status editor_backward_char (rp_input_line *line); -static edit_status editor_forward_word (rp_input_line *line); -static edit_status editor_backward_word (rp_input_line *line); -static edit_status editor_beginning_of_line (rp_input_line *line); -static edit_status editor_end_of_line (rp_input_line *line); -static edit_status editor_delete_char (rp_input_line *line); -static edit_status editor_backward_delete_char (rp_input_line *line); -static edit_status editor_kill_word (rp_input_line *line); -static edit_status editor_backward_kill_word (rp_input_line *line); -static edit_status editor_kill_line (rp_input_line *line); -static edit_status editor_paste_selection (rp_input_line *line); -static edit_status editor_abort (rp_input_line *line); -static edit_status editor_no_action (rp_input_line *line); -static edit_status editor_enter (rp_input_line *line); -static edit_status editor_history_previous (rp_input_line *line); -static edit_status editor_history_next (rp_input_line *line); -static edit_status editor_backward_kill_line (rp_input_line *line); -static edit_status editor_complete_prev (rp_input_line *line); -static edit_status editor_complete_next (rp_input_line *line); - -/* default edit action */ -static edit_status editor_insert (rp_input_line *line, char *keysym_buf); - - -static char *saved_command = NULL; - -typedef struct edit_binding edit_binding; - -struct edit_binding -{ - struct rp_key key; - edit_status (*func)(rp_input_line *); -}; - -static edit_binding edit_bindings[] = - { {{XK_g, RP_CONTROL_MASK}, editor_abort}, - {{XK_Escape, 0}, editor_abort}, - {{XK_f, RP_CONTROL_MASK}, editor_forward_char}, - {{XK_Right, 0}, editor_forward_char}, - {{XK_b, RP_CONTROL_MASK}, editor_backward_char}, - {{XK_Left, 0}, editor_backward_char}, - {{XK_f, RP_META_MASK}, editor_forward_word}, - {{XK_b, RP_META_MASK}, editor_backward_word}, - {{XK_a, RP_CONTROL_MASK}, editor_beginning_of_line}, - {{XK_Home, 0}, editor_beginning_of_line}, - {{XK_e, RP_CONTROL_MASK}, editor_end_of_line}, - {{XK_End, 0}, editor_end_of_line}, - {{XK_d, RP_CONTROL_MASK}, editor_delete_char}, - {{XK_Delete, 0}, editor_delete_char}, - {{XK_BackSpace, 0}, editor_backward_delete_char}, - {{XK_h, RP_CONTROL_MASK}, editor_backward_delete_char}, - {{XK_BackSpace, RP_META_MASK}, editor_backward_kill_word}, - {{XK_d, RP_META_MASK}, editor_kill_word}, - {{XK_k, RP_CONTROL_MASK}, editor_kill_line}, - {{XK_u, RP_CONTROL_MASK}, editor_backward_kill_line}, - {{XK_y, RP_CONTROL_MASK}, editor_paste_selection}, - {{XK_p, RP_CONTROL_MASK}, editor_history_previous}, - {{XK_Up, 0}, editor_history_previous}, - {{XK_n, RP_CONTROL_MASK}, editor_history_next}, - {{XK_Down, 0}, editor_history_next}, - {{XK_Return, 0}, editor_enter}, - {{XK_m, RP_CONTROL_MASK}, editor_enter}, - {{XK_KP_Enter, 0}, editor_enter}, - {{XK_Tab, 0}, editor_complete_next}, - {{XK_ISO_Left_Tab, 0}, editor_complete_prev}, - { {0, 0}, 0} }; - -rp_input_line * -input_line_new (char *prompt, char *preinput, int history_id, completion_fn fn) -{ - rp_input_line *line; - - line = xmalloc (sizeof (rp_input_line)); - line->prompt = prompt; - line->compl = completions_new (fn); - line->history_id = history_id; - - /* Allocate some memory to start with */ - line->size = strlen (preinput) + 100; - line->buffer = (char *) xmalloc (line->size); - - /* load in the preinput */ - strcpy (line->buffer, preinput); - line->position = line->length = strlen (preinput); - - return line; -} - -void -input_line_free (rp_input_line *line) -{ - completions_free (line->compl); - free (line->buffer); - free (line); -} - -edit_status -execute_edit_action (rp_input_line *line, KeySym ch, unsigned int modifier, char *keysym_buf) -{ - struct edit_binding *binding = NULL; - int found_binding = 0; - edit_status status; - - for (binding = edit_bindings; binding->func; binding++) - { - if (ch == binding->key.sym && modifier == binding->key.state) - { - found_binding = 1; - break; - } - } - - if (found_binding) - status = binding->func (line); - else if (modifier) - status = editor_no_action (line); - else - status = editor_insert (line, keysym_buf); - - return status; -} - -static edit_status -editor_forward_char (rp_input_line *line) -{ - if (line->position == line->length) - return EDIT_NO_OP; - - if (RP_IS_UTF8_START (line->buffer[line->position])) - { - do - line->position++; - while (RP_IS_UTF8_CONT (line->buffer[line->position])); - } - else - line->position++; - - return EDIT_MOVE; -} - -static edit_status -editor_backward_char (rp_input_line *line) -{ - if (line->position == 0) - return EDIT_NO_OP; - - do - line->position--; - while (line->position > 0 && RP_IS_UTF8_CONT (line->buffer[line->position])); - - return EDIT_MOVE; -} - -static edit_status -editor_forward_word (rp_input_line *line) -{ - if (line->position == line->length) - return EDIT_NO_OP; - - while (line->position < line->length - && !isalnum (line->buffer[line->position])) - line->position++; - - while (line->position < line->length - && (isalnum (line->buffer[line->position]) - || RP_IS_UTF8_CHAR (line->buffer[line->position]))) - line->position++; - - return EDIT_MOVE; -} - -static edit_status -editor_backward_word (rp_input_line *line) -{ - if (line->position == 0) - return EDIT_NO_OP; - - while (line->position > 0 && !isalnum (line->buffer[line->position])) - line->position--; - - while (line->position > 0 - && (isalnum (line->buffer[line->position]) - || RP_IS_UTF8_CHAR (line->buffer[line->position]))) - line->position--; - - return EDIT_MOVE; -} - -static edit_status -editor_beginning_of_line (rp_input_line *line) -{ - if (line->position == 0) - return EDIT_NO_OP; - else - { - line->position = 0; - return EDIT_MOVE; - } -} - -static edit_status -editor_end_of_line (rp_input_line *line) -{ - if (line->position == line->length) - return EDIT_NO_OP; - else - { - line->position = line->length; - return EDIT_MOVE; - } -} - -static edit_status -editor_delete_char (rp_input_line *line) -{ - size_t diff = 0; - - if (line->position == line->length) - return EDIT_NO_OP; - - if (RP_IS_UTF8_START (line->buffer[line->position])) - { - do - diff++; - while (RP_IS_UTF8_CONT (line->buffer[line->position + diff])); - } - else - diff++; - - memmove (&line->buffer[line->position], - &line->buffer[line->position + diff], - line->length - line->position + diff + 1); - - line->length -= diff; - - return EDIT_DELETE; -} - -static edit_status -editor_backward_delete_char (rp_input_line *line) -{ - size_t diff = 1; - - if (line->position == 0) - return EDIT_NO_OP; - - while (line->position - diff > 0 - && RP_IS_UTF8_CONT (line->buffer[line->position - diff])) - diff++; - - memmove (&line->buffer[line->position - diff], - &line->buffer[line->position], - line->length - line->position + 1); - - line->position -= diff; - line->length -= diff; - - return EDIT_DELETE; -} - -static edit_status -editor_kill_word (rp_input_line *line) -{ - size_t diff = 0; - - if (line->position == line->length) - return EDIT_NO_OP; - - while (line->position + diff < line->length && - !isalnum (line->buffer[line->position + diff])) - diff++; - - while (line->position + diff < line->length - && (isalnum (line->buffer[line->position + diff]) - || RP_IS_UTF8_CHAR (line->buffer[line->position + diff]))) - diff++; - - /* Add the word to the X11 selection. */ - set_nselection (&line->buffer[line->position], diff); - - memmove (&line->buffer[line->position], - &line->buffer[line->position + diff], - line->length - line->position + diff + 1); - - line->length -= diff; - - return EDIT_DELETE; -} - -static edit_status -editor_backward_kill_word (rp_input_line *line) -{ - size_t diff = 1; - - if (line->position == 0) - return EDIT_NO_OP; - - while (line->position - diff > 0 && - !isalnum (line->buffer[line->position - diff])) - diff++; - - while (line->position - diff > 0 - && (isalnum (line->buffer[line->position - diff]) - || RP_IS_UTF8_CHAR (line->buffer[line->position - diff]))) - diff++; - - /* Add the word to the X11 selection. */ - set_nselection (&line->buffer[line->position - diff], diff); - - memmove (&line->buffer[line->position - diff], - &line->buffer[line->position], - line->length - line->position + 1); - - line->position -= diff; - line->length -= diff; - - return EDIT_DELETE; -} - -static edit_status -editor_kill_line (rp_input_line *line) -{ - if (line->position == line->length) - return EDIT_NO_OP; - - /* Add the line to the X11 selection. */ - set_selection (&line->buffer[line->position]); - - line->length = line->position; - line->buffer[line->length] = '\0'; - - return EDIT_DELETE; -} - -/* Do the dirty work of killing a line backwards. */ -static void -backward_kill_line (rp_input_line *line) -{ - memmove (&line->buffer[0], - &line->buffer[line->position], - line->length - line->position + 1); - - line->length -= line->position; - line->position = 0; -} - -static edit_status -editor_backward_kill_line (rp_input_line *line) -{ - if (line->position == 0) - return EDIT_NO_OP; - - /* Add the line to the X11 selection. */ - set_nselection (line->buffer, line->position); - - backward_kill_line (line); - - return EDIT_DELETE; -} - -static edit_status -editor_history_previous (rp_input_line *line) -{ - const char *entry = history_previous (line->history_id); - - if (entry) - { - if (!saved_command) - { - line->buffer[line->length] = '\0'; - saved_command = xstrdup (line->buffer); - PRINT_DEBUG (("saved current command line: \'%s\'\n", saved_command)); - } - - free (line->buffer); - line->buffer = xstrdup (entry); - line->length = strlen (line->buffer); - line->size = line->length + 1; - line->position = line->length; - PRINT_DEBUG (("entry: \'%s\'\n", line->buffer)); - } - else - { - PRINT_DEBUG (("- do nothing -\n")); - return EDIT_NO_OP; - } - - return EDIT_INSERT; -} - -static edit_status -editor_history_next (rp_input_line *line) -{ - const char *entry = history_next (line->history_id); - - if (entry) - { - free (line->buffer); - line->buffer = xstrdup (entry); - PRINT_DEBUG (("entry: \'%s\'\n", line->buffer)); - } - else if (saved_command) - { - free (line->buffer); - line->buffer = saved_command; - saved_command = NULL; - PRINT_DEBUG (("restored command line: \'%s\'\n", line->buffer)); - } - else - { - PRINT_DEBUG (("- do nothing -\n")); - return EDIT_NO_OP; - } - - line->length = strlen (line->buffer); - line->size = line->length + 1; - line->position = line->length; - - return EDIT_INSERT; -} - -static edit_status -editor_abort (rp_input_line *line UNUSED) -{ - return EDIT_ABORT; -} - -static edit_status -editor_no_action (rp_input_line *line UNUSED) -{ - return EDIT_NO_OP; -} - -static edit_status -editor_insert (rp_input_line *line, char *keysym_buf) -{ - size_t nbytes; - - PRINT_DEBUG (("keysym_buf: '%s'\n", keysym_buf)); - - nbytes = strlen (keysym_buf); - if (line->length + nbytes > line->size - 1) - { - /* FIXME: This seems like a very bad idea. */ - line->size += nbytes + 100; - line->buffer = xrealloc (line->buffer, line->size); - } - - memmove (&line->buffer[line->position + nbytes], - &line->buffer[line->position], - line->length - line->position + 1); - memcpy (&line->buffer[line->position], keysym_buf, nbytes); - - line->length += nbytes; - line->position += nbytes; - - return EDIT_INSERT; -} - -static edit_status -editor_enter (rp_input_line *line) -{ - int result; - char *expansion; - - line->buffer[line->length] = '\0'; - - if (!defaults.history_expansion) { - history_add (line->history_id, line->buffer); - return EDIT_DONE; - } - - result = history_expand_line (line->history_id, line->buffer, &expansion); - - PRINT_DEBUG (("History Expansion - result: %d\n", result)); - PRINT_DEBUG (("History Expansion - expansion: \'%s\'\n", expansion)); - - if (result == -1 || result == 2) - { - marked_message_printf (0, 0, "%s", expansion); - free (expansion); - return EDIT_ABORT; - } - else /* result == 0 || result == 1 */ - { - history_add (line->history_id, expansion); - free (line->buffer); - line->buffer = expansion; - } - - return EDIT_DONE; -} - -static edit_status -editor_paste_selection (rp_input_line *line) -{ - char *text; - text = get_selection(); - if (text) - { - editor_insert(line, text); - free (text); - return EDIT_INSERT; - } - else - return EDIT_NO_OP; -} - -static edit_status -editor_complete (rp_input_line *line, int direction) -{ - char *tmp; - char *s; - - /* Create our partial string that will be used for completion. It is - the characters up to the position of the cursor. */ - tmp = xmalloc ((line->position + 1) * sizeof (char)); - strncpy (tmp, line->buffer, line->position); - tmp[line->position] = '\0'; - - /* We don't need to free s because it's a string from the completion - list. */ - s = completions_complete (line->compl, tmp, direction); - free (tmp); - - if (s == NULL) - return EDIT_NO_OP; - - /* Insert the completion. */ - backward_kill_line (line); - editor_insert (line, s); - - return EDIT_COMPLETE; -} - -static edit_status -editor_complete_next (rp_input_line *line) -{ - return editor_complete (line, COMPLETION_NEXT); -} - -static edit_status -editor_complete_prev (rp_input_line *line) -{ - return editor_complete (line, COMPLETION_PREVIOUS); -} |