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2009-08-13 Chris Allegretta <chrisa@asty.org>
* New global flag implementation courtesy of Adam Wysocki <gophi@arcabit.pl>, allows previous undo flag to be implemented consistent with other flags. git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4400 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
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Chris Allegretta
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@ -1,4 +1,9 @@
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2009-08-13 Chris Allegretta <chrisa@asty.org>
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* New global flag implementation courtesy of Adam Wysocki <gophi@arcabit.pl>, allows
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previous undo flag to be implemented consistent with other flags.
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GNU nano 2.1.10 - 2009.07.28
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2009-07-27 Chris Allegretta <chrisa@asty.org>
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* text.c (undo_cut, redo_cut): Don't actually try and undo/redo an empty cut, i.e. the magicline.
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Fixes crash on cutting last line discovered by Eitan Adler <eitanadlerlist@gmail.com>.
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@ -36,9 +36,6 @@ sigjmp_buf jump_buf;
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bool jump_buf_main = FALSE;
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/* Have we set jump_buf so that we return to main() after a
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* SIGWINCH? */
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bool use_undo = FALSE;
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/* Are we actually using the undo code - disabled by default
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as the undo code is too unstable */
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#endif
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#ifndef DISABLE_WRAPJUSTIFY
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@ -55,7 +52,7 @@ char *last_search = NULL;
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char *last_replace = NULL;
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/* The last replacement string we searched for. */
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long flags = 0;
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unsigned flags[4] = {0, 0, 0, 0};
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/* Our flag containing the states of all global options. */
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WINDOW *topwin;
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/* The top portion of the window, where we display the version
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@ -781,7 +778,7 @@ void shortcut_init(bool unjustify)
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add_to_funcs(DO_UNINDENT, MMAIN, N_("Unindent Text"),
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IFSCHELP(nano_unindent_msg), FALSE, NOVIEW);
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if (use_undo) {
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if (ISSET(UNDOABLE)) {
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add_to_funcs(DO_UNDO, MMAIN, N_("Undo"),
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IFSCHELP(nano_undo_msg), FALSE, NOVIEW);
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@ -1069,7 +1066,7 @@ void shortcut_init(bool unjustify)
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add_to_sclist(MMAIN, "M-6", DO_COPY_TEXT, 0, TRUE);
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add_to_sclist(MMAIN, "M-}", DO_INDENT_VOID, 0, TRUE);
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add_to_sclist(MMAIN, "M-{", DO_UNINDENT, 0, TRUE);
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if (use_undo) {
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if (ISSET(UNDOABLE)) {
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add_to_sclist(MMAIN, "M-U", DO_UNDO, 0, TRUE);
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add_to_sclist(MMAIN, "M-E", DO_REDO, 0, TRUE);
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}
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11
src/nano.c
11
src/nano.c
@ -2213,7 +2213,7 @@ int main(int argc, char **argv)
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break;
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#ifndef NANO_TINY
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case 'u':
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use_undo = TRUE;
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SET(UNDOABLE);
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break;
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#endif
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case 'v':
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@ -2277,7 +2277,10 @@ int main(int argc, char **argv)
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char *alt_speller_cpy = alt_speller;
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#endif
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ssize_t tabsize_cpy = tabsize;
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long flags_cpy = flags;
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unsigned flags_cpy[sizeof(flags) / sizeof(flags[0])];
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size_t i;
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memcpy(flags_cpy, flags, sizeof(flags_cpy));
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#ifndef DISABLE_OPERATINGDIR
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operating_dir = NULL;
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@ -2329,7 +2332,9 @@ int main(int argc, char **argv)
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#endif
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if (tabsize_cpy != -1)
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tabsize = tabsize_cpy;
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flags |= flags_cpy;
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for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++)
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flags[i] |= flags_cpy[i];
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}
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#ifdef DISABLE_ROOTWRAPPING
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/* If we don't have any rcfiles, --disable-wrapping-as-root is used,
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83
src/nano.h
83
src/nano.h
@ -55,10 +55,13 @@
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#endif
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/* Macros for flags. */
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#define SET(bit) flags |= bit
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#define UNSET(bit) flags &= ~bit
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#define ISSET(bit) ((flags & bit) != 0)
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#define TOGGLE(bit) flags ^= bit
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#define FLAGOFF(flag) ((flag) / (sizeof(unsigned) * 8))
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#define FLAGMASK(flag) (1 << ((flag) % (sizeof(unsigned) * 8)))
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#define FLAGS(flag) flags[FLAGOFF(flag)]
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#define SET(flag) FLAGS(flag) |= FLAGMASK(flag)
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#define UNSET(flag) FLAGS(flag) &= ~FLAGMASK(flag)
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#define ISSET(flag) ((FLAGS(flag) & FLAGMASK(flag)) != 0)
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#define TOGGLE(flag) FLAGS(flag) ^= FLAGMASK(flag)
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/* Macros for character allocation and more. */
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#define charalloc(howmuch) (char *)nmalloc((howmuch) * sizeof(char))
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@ -450,40 +453,44 @@ typedef struct subnfunc {
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} subnfunc;
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/* Bitwise flags so that we can save space (or, more correctly, not
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* waste it). */
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#define CASE_SENSITIVE (1<<0)
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#define CONST_UPDATE (1<<1)
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#define NO_HELP (1<<2)
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#define NOFOLLOW_SYMLINKS (1<<3)
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#define SUSPEND (1<<4)
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#define NO_WRAP (1<<5)
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#define AUTOINDENT (1<<6)
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#define VIEW_MODE (1<<7)
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#define USE_MOUSE (1<<8)
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#define USE_REGEXP (1<<9)
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#define TEMP_FILE (1<<10)
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#define CUT_TO_END (1<<11)
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#define BACKWARDS_SEARCH (1<<12)
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#define MULTIBUFFER (1<<13)
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#define SMOOTH_SCROLL (1<<14)
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#define REBIND_DELETE (1<<15)
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#define REBIND_KEYPAD (1<<16)
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#define NO_CONVERT (1<<17)
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#define BACKUP_FILE (1<<18)
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#define NO_COLOR_SYNTAX (1<<19)
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#define PRESERVE (1<<20)
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#define HISTORYLOG (1<<21)
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#define RESTRICTED (1<<22)
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#define SMART_HOME (1<<23)
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#define WHITESPACE_DISPLAY (1<<24)
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#define MORE_SPACE (1<<25)
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#define TABS_TO_SPACES (1<<26)
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#define QUICK_BLANK (1<<27)
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#define WORD_BOUNDS (1<<28)
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#define NO_NEWLINES (1<<29)
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#define BOLD_TEXT (1<<30)
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#define QUIET (1<<31)
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/* Enumeration to be used in flags table. See FLAGBIT and FLAGOFF
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* definitions. */
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enum
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{
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CASE_SENSITIVE,
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CONST_UPDATE,
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NO_HELP,
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NOFOLLOW_SYMLINKS,
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SUSPEND,
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NO_WRAP,
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AUTOINDENT,
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VIEW_MODE,
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USE_MOUSE,
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USE_REGEXP,
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TEMP_FILE,
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CUT_TO_END,
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BACKWARDS_SEARCH,
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MULTIBUFFER,
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SMOOTH_SCROLL,
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REBIND_DELETE,
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REBIND_KEYPAD,
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NO_CONVERT,
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BACKUP_FILE,
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NO_COLOR_SYNTAX,
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PRESERVE,
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HISTORYLOG,
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RESTRICTED,
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SMART_HOME,
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WHITESPACE_DISPLAY,
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MORE_SPACE,
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TABS_TO_SPACES,
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QUICK_BLANK,
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WORD_BOUNDS,
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NO_NEWLINES,
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BOLD_TEXT,
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QUIET,
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UNDOABLE,
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};
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/* Flags for which menus in which a given function should be present */
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#define MMAIN (1<<0)
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@ -41,7 +41,7 @@ extern ssize_t wrap_at;
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extern char *last_search;
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extern char *last_replace;
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extern long flags;
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extern unsigned flags[4];
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extern WINDOW *topwin;
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extern WINDOW *edit;
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extern WINDOW *bottomwin;
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@ -909,15 +909,6 @@ void parse_rcfile(FILE *rcstream
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option = ptr;
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ptr = parse_next_word(ptr);
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#ifndef NANO_TINY
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/* FIXME: Hack which should go away ASAP */
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if (strcasecmp(option, "undo") == 0) {
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use_undo = TRUE;
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shortcut_init(0);
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continue;
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}
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#endif
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for (i = 0; rcopts[i].name != NULL; i++) {
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if (strcasecmp(option, rcopts[i].name) == 0) {
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#ifdef DEBUG
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@ -837,7 +837,7 @@ void add_undo(undo_type current_action)
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static undo *last_cutu = NULL; /* Last thing we cut to set up the undo for uncut */
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ssize_t wrap_loc; /* For calculating split beginning */
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if (!use_undo)
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if (!ISSET(UNDOABLE))
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return;
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/* Ugh, if we were called while cutting not-to-end, non-marked and on the same lineno,
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@ -962,7 +962,7 @@ void update_undo(undo_type action)
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int len = 0;
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openfilestruct *fs = openfile;
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if (!use_undo)
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if (!ISSET(UNDOABLE))
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return;
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#ifdef DEBUG
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