commit fc0f8f8c57a4607c6b5a3add550879d7cd95c0eb
parent d29e861376e5b0fc717386009a5187458371b43d
Author: David Lawrence Ramsey <pooka109@gmail.com>
Date: Wed, 10 May 2006 13:41:53 +0000
allow unjustifying if we resize the window immediately after justifying,
as Pico does, and make input handling across resizes more consistent
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3495 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Diffstat:
7 files changed, 44 insertions(+), 119 deletions(-)
diff --git a/ChangeLog b/ChangeLog
@@ -70,6 +70,11 @@ CVS code -
text and the first and last file in the file browser via
Meta-\ (Meta-|) and Meta-/ (Meta-?). Changes to do_browser(),
shortcut_init(), and do_help(). (DLR)
+ - Allow unjustifying if we resize the window immediately after
+ justifying, as Pico does, and make input handling across
+ resizes more consistent. Changes to handle_sigwinch(),
+ main(), get_kbinput(), parse_kbinput(), get_byte_kbinput(),
+ and get_unicode_kbinput(); removal of reset_kbinput(). (DLR)
- browser.c:
do_browser()
- Reference NANO_GOTODIR_(ALT|F)?KEY instead of
diff --git a/src/global.c b/src/global.c
@@ -23,7 +23,13 @@
#include "proto.h"
-/* Global variables */
+/* Global variables. */
+#ifndef NANO_TINY
+sigjmp_buf jmpbuf;
+ /* Used to return to main() or the unjustify routine in
+ * do_justify() after a SIGWINCH. */
+#endif
+
#ifndef DISABLE_WRAPJUSTIFY
ssize_t fill = 0;
/* The column where we will wrap lines. */
@@ -188,7 +194,7 @@ filestruct *replacebot = NULL;
/* The bottom of the replace string history list. */
#endif
-/* Regular expressions */
+/* Regular expressions. */
#ifdef HAVE_REGEX_H
regex_t search_regexp;
/* The compiled regular expression to use in searches. */
diff --git a/src/nano.c b/src/nano.c
@@ -40,10 +40,6 @@
#include <getopt.h>
#endif
-#ifndef NANO_TINY
-#include <setjmp.h>
-#endif
-
#ifdef ENABLE_NANORC
static bool no_rcfiles = FALSE;
/* Should we ignore all rcfiles? */
@@ -53,11 +49,6 @@ static struct termios oldterm;
static struct sigaction act;
/* For all our fun signal handlers. */
-#ifndef NANO_TINY
-static sigjmp_buf jmpbuf;
- /* Used to return to main() after a SIGWINCH. */
-#endif
-
/* Create a new filestruct node. Note that we specifically do not set
* prevnode->next equal to the new line. */
filestruct *make_new_node(filestruct *prevnode)
@@ -1060,16 +1051,6 @@ RETSIGTYPE handle_sigwinch(int signal)
if (filepart != NULL)
unpartition_filestruct(&filepart);
-#ifndef DISABLE_JUSTIFY
- /* If the justify buffer isn't empty, blow away the text in it and
- * display the shortcut list with UnCut. */
- if (jusbuffer != NULL) {
- free_filestruct(jusbuffer);
- jusbuffer = NULL;
- shortcut_init(FALSE);
- }
-#endif
-
#ifdef USE_SLANG
/* Slang curses emulation brain damage, part 1: If we just do what
* curses does here, it'll only work properly if the resize made the
@@ -1100,9 +1081,6 @@ RETSIGTYPE handle_sigwinch(int signal)
currshortcut = main_list;
total_refresh();
- /* Reset all the input routines that rely on character sequences. */
- reset_kbinput();
-
/* Jump back to the main loop. */
siglongjmp(jmpbuf, 1);
}
@@ -2147,11 +2125,6 @@ int main(int argc, char **argv)
display_main_list();
-#ifndef NANO_TINY
- /* Return here after a SIGWINCH. */
- sigsetjmp(jmpbuf, 1);
-#endif
-
display_buffer();
while (TRUE) {
@@ -2160,6 +2133,11 @@ int main(int argc, char **argv)
/* Make sure the cursor is in the edit window. */
reset_cursor();
+#ifndef NANO_TINY
+ /* Return here after a SIGWINCH. */
+ sigsetjmp(jmpbuf, 1);
+#endif
+
/* If constant cursor position display is on, and there are no
* keys waiting in the input buffer, display the current cursor
* position on the statusbar. */
diff --git a/src/nano.h b/src/nano.h
@@ -100,6 +100,9 @@
#ifdef HAVE_REGEX_H
#include <regex.h>
#endif
+#ifndef NANO_TINY
+#include <setjmp.h>
+#endif
#include <assert.h>
/* If no vsnprintf(), use the version from glib 2.x. */
@@ -412,6 +415,7 @@ typedef struct rcoption {
#define NANO_CONTROL_7 31
#define NANO_CONTROL_8 127
+/* Meta key sequences. */
#define NANO_ALT_SPACE ' '
#define NANO_ALT_LPARENTHESIS '('
#define NANO_ALT_RPARENTHESIS ')'
@@ -607,11 +611,12 @@ typedef struct rcoption {
#define TOGGLE_MAC_KEY NANO_ALT_M
#endif /* !NANO_TINY */
-#define MAIN_VISIBLE 12
-
#define VIEW TRUE
#define NOVIEW FALSE
+/* The maximum number of entries displayed in the main shortcut list. */
+#define MAIN_VISIBLE 12
+
/* The minimum editor window columns and rows required for nano to work
* correctly. */
#define MIN_EDITOR_COLS 4
diff --git a/src/proto.h b/src/proto.h
@@ -27,6 +27,10 @@
#include "nano.h"
/* Public externs. See global.c for descriptions of them. */
+#ifndef NANO_TINY
+extern sigjmp_buf jmpbuf;
+#endif
+
#ifndef DISABLE_WRAPJUSTIFY
extern ssize_t fill;
extern ssize_t wrap_at;
@@ -708,33 +712,18 @@ void dump_filestruct_reverse(void);
#endif
/* Public functions in winio.c. */
-#ifndef NANO_TINY
-void reset_kbinput(void);
-#endif
void get_key_buffer(WINDOW *win);
size_t get_key_buffer_len(void);
void unget_input(int *input, size_t input_len);
void unget_kbinput(int kbinput, bool meta_key, bool func_key);
int *get_input(WINDOW *win, size_t input_len);
int get_kbinput(WINDOW *win, bool *meta_key, bool *func_key);
-int parse_kbinput(WINDOW *win, bool *meta_key, bool *func_key
-#ifndef NANO_TINY
- , bool reset
-#endif
- );
+int parse_kbinput(WINDOW *win, bool *meta_key, bool *func_key);
int get_escape_seq_kbinput(const int *seq, size_t seq_len, bool
*ignore_seq);
int get_escape_seq_abcd(int kbinput);
-int get_byte_kbinput(int kbinput
-#ifndef NANO_TINY
- , bool reset
-#endif
- );
-long get_unicode_kbinput(int kbinput
-#ifndef NANO_TINY
- , bool reset
-#endif
- );
+int get_byte_kbinput(int kbinput);
+long get_unicode_kbinput(int kbinput);
int get_control_kbinput(int kbinput);
void unparse_kbinput(char *output, size_t output_len);
int *get_verbatim_kbinput(WINDOW *win, size_t *kbinput_len);
diff --git a/src/text.c b/src/text.c
@@ -1655,6 +1655,11 @@ void do_justify(bool full_justify)
edit_refresh();
+#ifndef NANO_TINY
+ /* Return here after a SIGWINCH. */
+ sigsetjmp(jmpbuf, 1);
+#endif
+
statusbar(_("Can now UnJustify!"));
/* If constant cursor position display is on, make sure the current
diff --git a/src/winio.c b/src/winio.c
@@ -106,16 +106,6 @@ static bool disable_cursorpos = FALSE;
* Note that Center (5) on the numeric keypad with NumLock off can also
* be the Begin key. */
-#ifndef NANO_TINY
-/* Reset all the input routines that rely on character sequences. */
-void reset_kbinput(void)
-{
- parse_kbinput(NULL, NULL, NULL, TRUE);
- get_byte_kbinput(0, TRUE);
- get_unicode_kbinput(0, TRUE);
-}
-#endif
-
/* Read in a sequence of keystrokes from win and save them in the
* default keystroke buffer. This should only be called when the
* default keystroke buffer is empty. */
@@ -327,11 +317,7 @@ int get_kbinput(WINDOW *win, bool *meta_key, bool *func_key)
/* Read in a character and interpret it. Continue doing this until
* we get a recognized value or sequence. */
- while ((kbinput = parse_kbinput(win, meta_key, func_key
-#ifndef NANO_TINY
- , FALSE
-#endif
- )) == ERR);
+ while ((kbinput = parse_kbinput(win, meta_key, func_key)) == ERR);
return kbinput;
}
@@ -340,24 +326,11 @@ int get_kbinput(WINDOW *win, bool *meta_key, bool *func_key)
* sequences into their corresponding key values. Set meta_key to TRUE
* when we get a meta key sequence, and set func_key to TRUE when we get
* a function key. Assume nodelay(win) is FALSE. */
-int parse_kbinput(WINDOW *win, bool *meta_key, bool *func_key
-#ifndef NANO_TINY
- , bool reset
-#endif
- )
-
+int parse_kbinput(WINDOW *win, bool *meta_key, bool *func_key)
{
static int escapes = 0, byte_digits = 0;
int *kbinput, retval = ERR;
-#ifndef NANO_TINY
- if (reset) {
- escapes = 0;
- byte_digits = 0;
- return ERR;
- }
-#endif
-
*meta_key = FALSE;
*func_key = FALSE;
@@ -584,11 +557,7 @@ int parse_kbinput(WINDOW *win, bool *meta_key, bool *func_key
int byte;
byte_digits++;
- byte = get_byte_kbinput(*kbinput
-#ifndef NANO_TINY
- , FALSE
-#endif
- );
+ byte = get_byte_kbinput(*kbinput);
if (byte != ERR) {
char *byte_mb;
@@ -1193,23 +1162,11 @@ int get_escape_seq_abcd(int kbinput)
/* Translate a byte sequence: turn a three-digit decimal number from
* 000 to 255 into its corresponding byte value. */
-int get_byte_kbinput(int kbinput
-#ifndef NANO_TINY
- , bool reset
-#endif
- )
+int get_byte_kbinput(int kbinput)
{
static int byte_digits = 0, byte = 0;
int retval = ERR;
-#ifndef NANO_TINY
- if (reset) {
- byte_digits = 0;
- byte = 0;
- return ERR;
- }
-#endif
-
/* Increment the byte digit counter. */
byte_digits++;
@@ -1277,24 +1234,12 @@ int get_byte_kbinput(int kbinput
/* Translate a Unicode sequence: turn a six-digit hexadecimal number
* from 000000 to 10FFFF (case-insensitive) into its corresponding
* multibyte value. */
-long get_unicode_kbinput(int kbinput
-#ifndef NANO_TINY
- , bool reset
-#endif
- )
+long get_unicode_kbinput(int kbinput)
{
static int uni_digits = 0;
static long uni = 0;
long retval = ERR;
-#ifndef NANO_TINY
- if (reset) {
- uni_digits = 0;
- uni = 0;
- return ERR;
- }
-#endif
-
/* Increment the Unicode digit counter. */
uni_digits++;
@@ -1499,11 +1444,7 @@ int *parse_verbatim_kbinput(WINDOW *win, size_t *kbinput_len)
while ((kbinput = get_input(win, 1)) == NULL);
/* Check whether the first keystroke is a hexadecimal digit. */
- uni = get_unicode_kbinput(*kbinput
-#ifndef NANO_TINY
- , FALSE
-#endif
- );
+ uni = get_unicode_kbinput(*kbinput);
/* If the first keystroke isn't a hexadecimal digit, put back the
* first keystroke. */
@@ -1518,11 +1459,7 @@ int *parse_verbatim_kbinput(WINDOW *win, size_t *kbinput_len)
while (uni == ERR) {
while ((kbinput = get_input(win, 1)) == NULL);
- uni = get_unicode_kbinput(*kbinput
-#ifndef NANO_TINY
- , FALSE
-#endif
- );
+ uni = get_unicode_kbinput(*kbinput);
}
/* Put back the multibyte equivalent of the Unicode value. */
