From 1576d537a66828a7d0dc651a7e81a22f14b2c789 Mon Sep 17 00:00:00 2001 From: David Lawrence Ramsey Date: Fri, 19 Mar 2004 21:46:34 +0000 Subject: [PATCH] rename a few variables and make a few cosmetic cleanups git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1699 35c25a1d-7b9e-4130-9fde-d3aeb78583b8 --- ChangeLog | 5 ++++ src/files.c | 4 ++-- src/global.c | 15 ++++++------ src/nano.c | 43 +++++++++++++++++----------------- src/nano.h | 8 +++---- src/proto.h | 7 +++--- src/winio.c | 66 ++++++++++++++++++++++++++++------------------------ 7 files changed, 80 insertions(+), 68 deletions(-) diff --git a/ChangeLog b/ChangeLog index bdd87282..5b173338 100644 --- a/ChangeLog +++ b/ChangeLog @@ -42,6 +42,8 @@ CVS code - - Remove the last editbot references, to avoid any potential segfaults related to them. Also remove fix_editbot(), as it's no longer needed. (David Benbennick) + - Rename several variables to make their use clearer and to + avoid conflicts. (DLR) - files.c: do_insertfile() - Wrap one reference to NANO_EXTCMD_KEY in a NANO_SMALL #ifdef. @@ -219,6 +221,9 @@ CVS code - get_escape_seq_abcd() - A resurrected version of the old abcd() function, readded in order to simplify get_escape_seq_kbinput(). (DLR) + get_mouse_kbinput() + - Interpret shortcut key values slightly more stringently when + ungetch()ing them. (DLR) get_page_start() - For consistency, tweak so that scrolling always occurs when we try to move onto the "$" at the end of the line, as opposed to diff --git a/src/files.c b/src/files.c index 31c4a54d..eb2adfc8 100644 --- a/src/files.c +++ b/src/files.c @@ -2567,7 +2567,7 @@ char *do_browser(const char *inpath) struct stat st; char *foo, *retval = NULL; static char *path = NULL; - int numents = 0, i = 0, j = 0, kbinput = -1, meta, longest = 0; + int numents = 0, i = 0, j = 0, kbinput = ERR, meta_key, longest = 0; int abort = 0, col = 0, selected = 0, editline = 0, width = 0; int filecols = 0, lineno = 0; char **filelist = (char **)NULL; @@ -2881,7 +2881,7 @@ char *do_browser(const char *inpath) } } wrefresh(edit); - } while ((kbinput = get_kbinput(edit, &meta)) != NANO_EXIT_KEY && kbinput != NANO_EXIT_FKEY); + } while ((kbinput = get_kbinput(edit, &meta_key)) != NANO_EXIT_KEY && kbinput != NANO_EXIT_FKEY); curs_set(1); blank_edit(); titlebar(NULL); diff --git a/src/global.c b/src/global.c index fa524fab..2925a76c 100644 --- a/src/global.c +++ b/src/global.c @@ -171,11 +171,12 @@ int length_of_list(const shortcut *s) } /* Initialize a struct *without* our lovely braces =( */ -void sc_init_one(shortcut **shortcutage, int key, const char *desc, +void sc_init_one(shortcut **shortcutage, int ctrlval, const char *desc, #ifndef DISABLE_HELP const char *help, #endif - int meta, int func_key, int misc, int view, int (*func) (void)) + int metaval, int funcval, int miscval, int view, int + (*func)(void)) { shortcut *s; @@ -189,14 +190,14 @@ void sc_init_one(shortcut **shortcutage, int key, const char *desc, s = s->next; } - s->val = key; + s->ctrlval = ctrlval; s->desc = desc; #ifndef DISABLE_HELP s->help = help; #endif - s->metaval = meta; - s->func_key = func_key; - s->misc = misc; + s->metaval = metaval; + s->funcval = funcval; + s->miscval = miscval; s->viewok = view; s->func = func; s->next = NULL; @@ -741,7 +742,7 @@ void shortcut_init(int unjustify) NANO_NO_KEY, VIEW, do_last_line); #ifndef NANO_SMALL - sc_init_one(&replace_list_2, NANO_PREVLINE_KEY, _("History"), + sc_init_one(&replace_list_2, NANO_HISTORY_KEY, _("History"), IFHELP(nano_editstr_msg, NANO_NO_KEY), NANO_NO_KEY, NANO_NO_KEY, VIEW, 0); #endif diff --git a/src/nano.c b/src/nano.c index a8e18484..7838edb9 100644 --- a/src/nano.c +++ b/src/nano.c @@ -262,10 +262,10 @@ void help_init(void) { size_t allocsize = 1; /* space needed for help_text */ char *ptr = NULL; + const shortcut *s; #ifndef NANO_SMALL const toggle *t; #endif - const shortcut *s; /* First set up the initial help text for the current function */ if (currshortcut == whereis_list || currshortcut == replace_list @@ -405,18 +405,18 @@ void help_init(void) /* true if the character in s->metaval is shown in first column */ int meta_shortcut = 0; - if (s->val != NANO_NO_KEY) { + if (s->ctrlval != NANO_NO_KEY) { #ifndef NANO_SMALL - if (s->val == NANO_HISTORY_KEY) + if (s->ctrlval == NANO_HISTORY_KEY) ptr += sprintf(ptr, "%.2s", _("Up")); else #endif - if (s->val == NANO_CONTROL_SPACE) + if (s->ctrlval == NANO_CONTROL_SPACE) ptr += sprintf(ptr, "^%.5s", _("Space")); - else if (s->val == NANO_CONTROL_8) + else if (s->ctrlval == NANO_CONTROL_8) ptr += sprintf(ptr, "^?"); else - ptr += sprintf(ptr, "^%c", s->val + 64); + ptr += sprintf(ptr, "^%c", s->ctrlval + 64); } #ifndef NANO_SMALL else if (s->metaval != NANO_NO_KEY) { @@ -430,15 +430,15 @@ void help_init(void) *(ptr++) = '\t'; - if (s->func_key != NANO_NO_KEY) - ptr += sprintf(ptr, "(F%d)", s->func_key - KEY_F0); + if (s->funcval != NANO_NO_KEY) + ptr += sprintf(ptr, "(F%d)", s->funcval - KEY_F0); *(ptr++) = '\t'; if (!meta_shortcut && s->metaval != NANO_NO_KEY) ptr += sprintf(ptr, "(M-%c)", toupper(s->metaval)); - else if (meta_shortcut && s->misc != NANO_NO_KEY) - ptr += sprintf(ptr, "(M-%c)", toupper(s->misc)); + else if (meta_shortcut && s->miscval != NANO_NO_KEY) + ptr += sprintf(ptr, "(M-%c)", toupper(s->miscval)); *(ptr++) = '\t'; @@ -448,12 +448,13 @@ void help_init(void) #ifndef NANO_SMALL /* And the toggles... */ - if (currshortcut == main_list) + if (currshortcut == main_list) { for (t = toggles; t != NULL; t = t->next) { assert(t->desc != NULL); ptr += sprintf(ptr, "M-%c\t\t\t%s %s\n", toupper(t->val), t->desc, _("enable/disable")); } + } #endif /* !NANO_SMALL */ /* If all went well, we didn't overwrite the allocated space for @@ -2641,8 +2642,8 @@ int do_justify(void) * keystroke and return. */ { - int meta; - i = get_kbinput(edit, &meta); + int meta_key; + i = get_kbinput(edit, &meta_key); #ifndef DISABLE_MOUSE /* If it was a mouse click, parse it with do_mouse() and it * might become the unjustify key. Else give it back to the @@ -2651,7 +2652,7 @@ int do_justify(void) do_mouse(); else ungetch(i); - i = get_kbinput(edit, &meta); + i = get_kbinput(edit, &meta_key); #endif } @@ -3030,7 +3031,7 @@ int main(int argc, char *argv[]) const shortcut *s; int keyhandled = 0; /* Have we handled the keystroke yet? */ int kbinput; /* Input from keyboard */ - int meta; + int meta_key; #ifndef NANO_SMALL const toggle *t; @@ -3518,15 +3519,15 @@ int main(int argc, char *argv[]) currshortcut = main_list; #endif - kbinput = get_kbinput(edit, &meta); + kbinput = get_kbinput(edit, &meta_key); #ifdef DEBUG fprintf(stderr, "AHA! %c (%d)\n", kbinput, kbinput); #endif - if (meta == 1) { - /* Check for the metaval and misc defs... */ + if (meta_key == 1) { + /* Check for the metaval and miscval defs... */ for (s = main_list; s != NULL; s = s->next) if ((s->metaval != NANO_NO_KEY && kbinput == s->metaval) || - (s->misc != NANO_NO_KEY && kbinput == s->misc)) { + (s->miscval != NANO_NO_KEY && kbinput == s->miscval)) { if (ISSET(VIEW_MODE) && !s->viewok) print_view_warning(); else { @@ -3561,8 +3562,8 @@ int main(int argc, char *argv[]) #else for (s = main_list; s != NULL && !keyhandled; s = s->next) { #endif - if ((s->val != NANO_NO_KEY && kbinput == s->val) || - (s->func_key != NANO_NO_KEY && kbinput == s->func_key)) { + if ((s->ctrlval != NANO_NO_KEY && kbinput == s->ctrlval) || + (s->funcval != NANO_NO_KEY && kbinput == s->funcval)) { if (ISSET(VIEW_MODE) && !s->viewok) print_view_warning(); else { diff --git a/src/nano.h b/src/nano.h index 10b8cf16..1e998703 100644 --- a/src/nano.h +++ b/src/nano.h @@ -187,11 +187,11 @@ typedef struct openfilestruct { typedef struct shortcut { /* Key values that aren't used should be set to NANO_NO_KEY. */ - int val; /* Special sentinel key or control key we want + int ctrlval; /* Special sentinel key or control key we want * bound. */ - int metaval; /* Meta key we want bound. */ - int func_key; /* Function key we want bound. */ - int misc; /* Other Meta key we want bound. */ + int metaval; /* Meta key we want bound. */ + int funcval; /* Function key we want bound. */ + int miscval; /* Other Meta key we want bound. */ int viewok; /* Is this function legal in view mode? */ int (*func) (void); /* Function to call when we catch this key. */ const char *desc; /* Description, e.g. "Page Up". */ diff --git a/src/proto.h b/src/proto.h index 1c2033ec..0e0ffb80 100644 --- a/src/proto.h +++ b/src/proto.h @@ -218,7 +218,8 @@ void sc_init_one(shortcut **shortcutage, int key, const char *desc, #ifndef DISABLE_HELP const char *help, #endif - int meta, int func_key, int misc, int view, int (*func) (void)); + int metaval, int funcval, int miscval, int view, int + (*func)(void)); #ifndef NANO_SMALL void toggle_init_one(int val, const char *desc, int flag); void toggle_init(void); @@ -450,11 +451,11 @@ int check_wildcard_match(const char *text, const char *pattern); #endif /* Public functions in winio.c */ -int get_kbinput(WINDOW *win, int *meta); +int get_kbinput(WINDOW *win, int *meta_key); int *get_verbatim_kbinput(WINDOW *win, int *kbinput_len, int allow_ascii); int get_ignored_kbinput(WINDOW *win); -int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta); +int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta_key); int get_ascii_kbinput(WINDOW *win, int kbinput); int get_escape_seq_kbinput(WINDOW *win, int *escape_seq, int escape_seq_len); diff --git a/src/winio.c b/src/winio.c index 55bfd291..718afafa 100644 --- a/src/winio.c +++ b/src/winio.c @@ -44,7 +44,7 @@ static int statblank = 0; /* Number of keystrokes left after * consist of [arrow key], Ctrl-[arrow key], Shift-[arrow key], Enter, * Backspace, Insert, Delete, Home, End, PageUp, PageDown, and F1-F14. * Assume nodelay(win) is FALSE. */ -int get_kbinput(WINDOW *win, int *meta) +int get_kbinput(WINDOW *win, int *meta_key) { int kbinput, retval; @@ -53,7 +53,7 @@ int get_kbinput(WINDOW *win, int *meta) #endif kbinput = get_ignored_kbinput(win); - retval = get_accepted_kbinput(win, kbinput, meta); + retval = get_accepted_kbinput(win, kbinput, meta_key); #ifndef NANO_SMALL allow_pending_sigwinch(FALSE); @@ -151,11 +151,11 @@ int get_ignored_kbinput(WINDOW *win) } /* Translate acceptable ASCII, extended keypad values, and/or escape - * sequences. Set meta to 1 if we get a Meta sequence. Assume + * sequences. Set meta_key to 1 if we get a Meta sequence. Assume * nodelay(win) is FALSE. */ -int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta) +int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta_key) { - *meta = 0; + *meta_key = FALSE; switch (kbinput) { case NANO_CONTROL_3: /* Escape */ @@ -199,7 +199,7 @@ int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta) switch (kbinput) { case ERR: kbinput = tolower(old_kbinput); - *meta = 1; + *meta_key = TRUE; break; default: ungetch(kbinput); @@ -214,7 +214,7 @@ int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta) default: /* Esc [character] == Meta-[character] */ kbinput = tolower(kbinput); - *meta = 1; + *meta_key = TRUE; } break; case NANO_CONTROL_8: @@ -272,7 +272,7 @@ int get_accepted_kbinput(WINDOW *win, int kbinput, int *meta) break; } #ifdef DEBUG - fprintf(stderr, "get_accepted_kbinput(): kbinput = %d, meta = %d\n", kbinput, *meta); + fprintf(stderr, "get_accepted_kbinput(): kbinput = %d, meta_key = %d\n", kbinput, *meta_key); #endif return kbinput; } @@ -833,13 +833,16 @@ int get_mouseinput(int *mouse_x, int *mouse_y, int allow_shortcuts) for (; j > 0; j--) s = s->next; - /* And ungetch() the equivalent keystroke. */ - ungetch(s->val); - - /* If it's not a control character, assume it's a Meta key - * sequence, in which case we need to ungetch() Escape too. */ - if (!is_cntrl_char(s->val)) - ungetch(NANO_CONTROL_3); + /* And ungetch() the equivalent control key. If it's a Meta key + * sequence, we need to ungetch() Escape too. Assume that the + * shortcut has an equivalent control key, meta key sequence, or + * both. */ + if (s->ctrlval != NANO_NO_KEY) + ungetch(s->ctrlval); + else { + ungetch(s->metaval); + ungetch(NANO_CONTROL_3); + } return 1; } @@ -1078,7 +1081,7 @@ int nanogetstr(int allowtabs, const char *buf, const char *def, ) { int kbinput; - int meta; + int meta_key; static int x = -1; /* the cursor position in 'answer' */ int xend; @@ -1129,16 +1132,17 @@ int nanogetstr(int allowtabs, const char *buf, const char *def, input */ wrefresh(edit); - while ((kbinput = get_kbinput(bottomwin, &meta)) != NANO_ENTER_KEY) { + while ((kbinput = get_kbinput(bottomwin, &meta_key)) != NANO_ENTER_KEY) { for (t = s; t != NULL; t = t->next) { #ifdef DEBUG fprintf(stderr, "Aha! \'%c\' (%d)\n", kbinput, kbinput); #endif - if (kbinput == t->func_key) - kbinput = t->val; + /* Temporary hack to interpret NANO_HELP_FKEY correctly. */ + if (kbinput == t->funcval) + kbinput = t->ctrlval; - if (kbinput == t->val && is_cntrl_char(kbinput)) { + if (kbinput == t->ctrlval && is_cntrl_char(kbinput)) { #ifndef DISABLE_HELP /* Have to do this here, it would be too late to do it @@ -1154,7 +1158,7 @@ int nanogetstr(int allowtabs, const char *buf, const char *def, break; #endif - return t->val; + return t->ctrlval; } } assert(0 <= x && x <= xend && xend == strlen(answer)); @@ -1325,7 +1329,7 @@ int nanogetstr(int allowtabs, const char *buf, const char *def, fprintf(stderr, "Aha! \'%c\' (%d)\n", kbinput, kbinput); #endif - if (meta == 1 && (kbinput == t->metaval || kbinput == t->misc)) + if (meta_key == TRUE && (kbinput == t->metaval || kbinput == t->miscval)) /* We hit a Meta key. Do like above. We don't * just ungetch() the letter and let it get * caught above cause that screws the @@ -1446,18 +1450,18 @@ void bottombars(const shortcut *s) wmove(bottomwin, 1 + j, i * (COLS / numcols)); /* Yucky sentinel values we can't handle a better way */ - if (s->val != NANO_NO_KEY) { + if (s->ctrlval != NANO_NO_KEY) { #ifndef NANO_SMALL - if (s->val == NANO_HISTORY_KEY) + if (s->ctrlval == NANO_HISTORY_KEY) strncpy(keystr, _("Up"), 8); else #endif - if (s->val == NANO_CONTROL_SPACE) + if (s->ctrlval == NANO_CONTROL_SPACE) strcpy(keystr, "^ "); - else if (s->val == NANO_CONTROL_8) + else if (s->ctrlval == NANO_CONTROL_8) strcpy(keystr, "^?"); else - sprintf(keystr, "^%c", s->val + 64); + sprintf(keystr, "^%c", s->ctrlval + 64); } else if (s->metaval != NANO_NO_KEY) sprintf(keystr, "M-%c", toupper(s->metaval)); @@ -2143,12 +2147,12 @@ int do_yesno(int all, const char *msg) do { int kbinput; - int meta; + int meta_key; #ifndef DISABLE_MOUSE int mouse_x, mouse_y; #endif - kbinput = get_kbinput(edit, &meta); + kbinput = get_kbinput(edit, &meta_key); if (kbinput == NANO_CANCEL_KEY) ok = -1; @@ -2355,7 +2359,7 @@ int line_len(const char *ptr) int do_help(void) { #ifndef DISABLE_HELP - int i, page = 0, kbinput = -1, meta, no_more = 0; + int i, page = 0, kbinput = ERR, meta_key, no_more = 0; int no_help_flag = 0; const shortcut *oldshortcut; @@ -2431,7 +2435,7 @@ int do_help(void) no_more = 1; continue; } - } while ((kbinput = get_kbinput(edit, &meta)) != NANO_EXIT_KEY && kbinput != NANO_EXIT_FKEY); + } while ((kbinput = get_kbinput(edit, &meta_key)) != NANO_EXIT_KEY && kbinput != NANO_EXIT_FKEY); currshortcut = oldshortcut; -- 2.39.5