move mark setting, deleting, backspacing, tabbing, and entering of
newlines to text.c too git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2923 35c25a1d-7b9e-4130-9fde-d3aeb78583b8master
David Lawrence Ramsey
parent
cc8185fe2b
commit
7ea09e540f
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@ -92,7 +92,8 @@ CVS code -
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wrapping, spell checking, justifying, and word counting) to
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their own source file, and adjust related variables
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accordingly. New file text.c; changes to cancel_command(),
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execute_command(), wrap_reset(), do_wrap(),
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execute_command(), do_backspace(), do_delete(), do_tab(),
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do_enter(), do_mark(), wrap_reset(), do_wrap(),
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do_int_spell_fix(), do_int_speller(), do_alt_speller(),
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do_spell(), break_line(), indent_length(), justify_format(),
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quote_length(), quotes_match(), indents_match(), begpar(),
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196
src/nano.c
196
src/nano.c
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@ -1247,202 +1247,6 @@ void do_verbatim_input(void)
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free(output);
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}
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void do_backspace(void)
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{
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if (openfile->current != openfile->fileage ||
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openfile->current_x > 0) {
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do_left(FALSE);
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do_delete();
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}
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}
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void do_delete(void)
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{
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bool do_refresh = FALSE;
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/* Do we have to call edit_refresh(), or can we get away with
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* update_line()? */
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assert(openfile->current != NULL && openfile->current->data != NULL && openfile->current_x <= strlen(openfile->current->data));
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openfile->placewewant = xplustabs();
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if (openfile->current->data[openfile->current_x] != '\0') {
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int char_buf_len = parse_mbchar(openfile->current->data +
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openfile->current_x, NULL, NULL, NULL);
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size_t line_len = strlen(openfile->current->data +
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openfile->current_x);
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assert(openfile->current_x < strlen(openfile->current->data));
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/* Let's get dangerous. */
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charmove(&openfile->current->data[openfile->current_x],
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&openfile->current->data[openfile->current_x +
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char_buf_len], line_len - char_buf_len + 1);
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null_at(&openfile->current->data, openfile->current_x +
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line_len - char_buf_len);
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#ifndef NANO_SMALL
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if (openfile->mark_set && openfile->mark_begin ==
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openfile->current && openfile->current_x <
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openfile->mark_begin_x)
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openfile->mark_begin_x -= char_buf_len;
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#endif
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openfile->totsize--;
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} else if (openfile->current != openfile->filebot &&
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(openfile->current->next != openfile->filebot ||
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openfile->current->data[0] == '\0')) {
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/* We can delete the line before filebot only if it is blank: it
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* becomes the new magicline then. */
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filestruct *foo = openfile->current->next;
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assert(openfile->current_x == strlen(openfile->current->data));
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/* If we're deleting at the end of a line, we need to call
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* edit_refresh(). */
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if (openfile->current->data[openfile->current_x] == '\0')
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do_refresh = TRUE;
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openfile->current->data = charealloc(openfile->current->data,
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openfile->current_x + strlen(foo->data) + 1);
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strcpy(openfile->current->data + openfile->current_x,
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foo->data);
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#ifndef NANO_SMALL
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if (openfile->mark_set && openfile->mark_begin ==
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openfile->current->next) {
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openfile->mark_begin = openfile->current;
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openfile->mark_begin_x += openfile->current_x;
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}
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#endif
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if (openfile->filebot == foo)
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openfile->filebot = openfile->current;
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unlink_node(foo);
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delete_node(foo);
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renumber(openfile->current);
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openfile->totlines--;
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openfile->totsize--;
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#ifndef DISABLE_WRAPPING
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wrap_reset();
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#endif
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} else
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return;
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set_modified();
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#ifdef ENABLE_COLOR
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/* If color syntaxes are available and turned on, we need to call
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* edit_refresh(). */
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if (openfile->colorstrings != NULL && !ISSET(NO_COLOR_SYNTAX))
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do_refresh = TRUE;
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#endif
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if (do_refresh)
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edit_refresh();
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else
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update_line(openfile->current, openfile->current_x);
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}
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void do_tab(void)
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{
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#ifndef NANO_SMALL
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if (ISSET(TABS_TO_SPACES)) {
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char *output;
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size_t output_len = 0, new_pww = openfile->placewewant;
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do {
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new_pww++;
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output_len++;
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} while (new_pww % tabsize != 0);
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output = charalloc(output_len + 1);
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charset(output, ' ', output_len);
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output[output_len] = '\0';
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do_output(output, output_len, TRUE);
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free(output);
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} else {
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#endif
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do_output("\t", 1, TRUE);
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#ifndef NANO_SMALL
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}
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#endif
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}
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/* Someone hits Return *gasp!* */
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void do_enter(void)
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{
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filestruct *newnode = make_new_node(openfile->current);
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size_t extra = 0;
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assert(openfile->current != NULL && openfile->current->data != NULL);
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#ifndef NANO_SMALL
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/* Do auto-indenting, like the neolithic Turbo Pascal editor. */
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if (ISSET(AUTOINDENT)) {
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/* If we are breaking the line in the indentation, the new
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* indentation should have only current_x characters, and
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* current_x should not change. */
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extra = indent_length(openfile->current->data);
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if (extra > openfile->current_x)
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extra = openfile->current_x;
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}
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#endif
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newnode->data = charalloc(strlen(openfile->current->data +
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openfile->current_x) + extra + 1);
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strcpy(&newnode->data[extra], openfile->current->data +
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openfile->current_x);
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#ifndef NANO_SMALL
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if (ISSET(AUTOINDENT)) {
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strncpy(newnode->data, openfile->current->data, extra);
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openfile->totsize += mbstrlen(newnode->data);
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}
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#endif
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null_at(&openfile->current->data, openfile->current_x);
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#ifndef NANO_SMALL
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if (openfile->mark_set && openfile->current ==
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openfile->mark_begin && openfile->current_x <
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openfile->mark_begin_x) {
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openfile->mark_begin = newnode;
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openfile->mark_begin_x += extra - openfile->current_x;
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}
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#endif
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openfile->current_x = extra;
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if (openfile->current == openfile->filebot)
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openfile->filebot = newnode;
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splice_node(openfile->current, newnode,
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openfile->current->next);
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renumber(openfile->current);
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openfile->current = newnode;
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edit_refresh();
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openfile->totlines++;
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openfile->totsize++;
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set_modified();
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openfile->placewewant = xplustabs();
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}
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#ifndef NANO_SMALL
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void do_mark(void)
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{
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openfile->mark_set = !openfile->mark_set;
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if (openfile->mark_set) {
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statusbar(_("Mark Set"));
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openfile->mark_begin = openfile->current;
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openfile->mark_begin_x = openfile->current_x;
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} else {
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statusbar(_("Mark UNset"));
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openfile->mark_begin = NULL;
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openfile->mark_begin_x = 0;
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edit_refresh();
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}
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}
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#endif /* !NANO_SMALL */
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void do_exit(void)
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{
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int i;
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14
src/proto.h
14
src/proto.h
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@ -389,13 +389,6 @@ int no_more_space(void);
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int no_help(void);
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void nano_disabled_msg(void);
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void do_verbatim_input(void);
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void do_backspace(void);
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void do_delete(void);
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void do_tab(void);
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void do_enter(void);
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#ifndef NANO_SMALL
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void do_mark(void);
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#endif
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void do_exit(void);
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void signal_init(void);
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void handle_hupterm(int signal);
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@ -493,6 +486,13 @@ char *get_history_completion(filestruct **h, const char *s, size_t len);
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/* Public functions in text.c. */
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#ifndef NANO_SMALL
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void do_mark(void);
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#endif
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void do_delete(void);
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void do_backspace(void);
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void do_tab(void);
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void do_enter(void);
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#ifndef NANO_SMALL
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void cancel_command(int signal);
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bool execute_command(const char *command);
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#endif
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196
src/text.c
196
src/text.c
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@ -47,6 +47,202 @@ static filestruct *jusbottom = NULL;
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/* Pointer to end of justify buffer. */
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#endif
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#ifndef NANO_SMALL
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void do_mark(void)
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{
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openfile->mark_set = !openfile->mark_set;
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if (openfile->mark_set) {
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statusbar(_("Mark Set"));
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openfile->mark_begin = openfile->current;
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openfile->mark_begin_x = openfile->current_x;
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} else {
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statusbar(_("Mark UNset"));
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openfile->mark_begin = NULL;
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openfile->mark_begin_x = 0;
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edit_refresh();
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}
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}
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#endif /* !NANO_SMALL */
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void do_delete(void)
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{
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bool do_refresh = FALSE;
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/* Do we have to call edit_refresh(), or can we get away with
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* update_line()? */
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assert(openfile->current != NULL && openfile->current->data != NULL && openfile->current_x <= strlen(openfile->current->data));
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openfile->placewewant = xplustabs();
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if (openfile->current->data[openfile->current_x] != '\0') {
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int char_buf_len = parse_mbchar(openfile->current->data +
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openfile->current_x, NULL, NULL, NULL);
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size_t line_len = strlen(openfile->current->data +
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openfile->current_x);
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assert(openfile->current_x < strlen(openfile->current->data));
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/* Let's get dangerous. */
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charmove(&openfile->current->data[openfile->current_x],
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&openfile->current->data[openfile->current_x +
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char_buf_len], line_len - char_buf_len + 1);
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null_at(&openfile->current->data, openfile->current_x +
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line_len - char_buf_len);
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#ifndef NANO_SMALL
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if (openfile->mark_set && openfile->mark_begin ==
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openfile->current && openfile->current_x <
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openfile->mark_begin_x)
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openfile->mark_begin_x -= char_buf_len;
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#endif
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openfile->totsize--;
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} else if (openfile->current != openfile->filebot &&
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(openfile->current->next != openfile->filebot ||
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openfile->current->data[0] == '\0')) {
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/* We can delete the line before filebot only if it is blank: it
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* becomes the new magicline then. */
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filestruct *foo = openfile->current->next;
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assert(openfile->current_x == strlen(openfile->current->data));
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/* If we're deleting at the end of a line, we need to call
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* edit_refresh(). */
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if (openfile->current->data[openfile->current_x] == '\0')
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do_refresh = TRUE;
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openfile->current->data = charealloc(openfile->current->data,
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openfile->current_x + strlen(foo->data) + 1);
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strcpy(openfile->current->data + openfile->current_x,
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foo->data);
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#ifndef NANO_SMALL
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if (openfile->mark_set && openfile->mark_begin ==
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openfile->current->next) {
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openfile->mark_begin = openfile->current;
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openfile->mark_begin_x += openfile->current_x;
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}
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#endif
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if (openfile->filebot == foo)
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openfile->filebot = openfile->current;
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unlink_node(foo);
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delete_node(foo);
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renumber(openfile->current);
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openfile->totlines--;
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openfile->totsize--;
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#ifndef DISABLE_WRAPPING
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wrap_reset();
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#endif
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} else
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return;
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set_modified();
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#ifdef ENABLE_COLOR
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/* If color syntaxes are available and turned on, we need to call
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* edit_refresh(). */
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if (openfile->colorstrings != NULL && !ISSET(NO_COLOR_SYNTAX))
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do_refresh = TRUE;
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#endif
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if (do_refresh)
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edit_refresh();
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else
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update_line(openfile->current, openfile->current_x);
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}
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void do_backspace(void)
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{
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if (openfile->current != openfile->fileage ||
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openfile->current_x > 0) {
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do_left(FALSE);
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do_delete();
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}
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}
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void do_tab(void)
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{
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#ifndef NANO_SMALL
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if (ISSET(TABS_TO_SPACES)) {
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char *output;
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size_t output_len = 0, new_pww = openfile->placewewant;
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do {
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new_pww++;
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output_len++;
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} while (new_pww % tabsize != 0);
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output = charalloc(output_len + 1);
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charset(output, ' ', output_len);
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output[output_len] = '\0';
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do_output(output, output_len, TRUE);
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free(output);
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} else {
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#endif
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do_output("\t", 1, TRUE);
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#ifndef NANO_SMALL
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}
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#endif
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}
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/* Someone hits Return *gasp!* */
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void do_enter(void)
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{
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filestruct *newnode = make_new_node(openfile->current);
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size_t extra = 0;
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assert(openfile->current != NULL && openfile->current->data != NULL);
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#ifndef NANO_SMALL
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/* Do auto-indenting, like the neolithic Turbo Pascal editor. */
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if (ISSET(AUTOINDENT)) {
|
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/* If we are breaking the line in the indentation, the new
|
||||
* indentation should have only current_x characters, and
|
||||
* current_x should not change. */
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extra = indent_length(openfile->current->data);
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if (extra > openfile->current_x)
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extra = openfile->current_x;
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}
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#endif
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newnode->data = charalloc(strlen(openfile->current->data +
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openfile->current_x) + extra + 1);
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strcpy(&newnode->data[extra], openfile->current->data +
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openfile->current_x);
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#ifndef NANO_SMALL
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if (ISSET(AUTOINDENT)) {
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strncpy(newnode->data, openfile->current->data, extra);
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openfile->totsize += mbstrlen(newnode->data);
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}
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#endif
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null_at(&openfile->current->data, openfile->current_x);
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#ifndef NANO_SMALL
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if (openfile->mark_set && openfile->current ==
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openfile->mark_begin && openfile->current_x <
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openfile->mark_begin_x) {
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openfile->mark_begin = newnode;
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openfile->mark_begin_x += extra - openfile->current_x;
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}
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#endif
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openfile->current_x = extra;
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if (openfile->current == openfile->filebot)
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openfile->filebot = newnode;
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splice_node(openfile->current, newnode,
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openfile->current->next);
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renumber(openfile->current);
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openfile->current = newnode;
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edit_refresh();
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openfile->totlines++;
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openfile->totsize++;
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set_modified();
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openfile->placewewant = xplustabs();
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}
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#ifndef NANO_SMALL
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void cancel_command(int signal)
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||||
{
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||||
|
|
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|||
Loading…
Reference in New Issue