Fix for resizing the window in modes other than normal edit mode Changes to handle_sigwinch(), main(). Fixes bug #52 (Rocco)

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@509 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

BUGS

@@ -1,3 +1,6 @@
+- Marked cutting sometimes leaves a newline in the file unintelligently,
+  such as when all of a line is selected but the mark doesn't proceed to
+  the new line. (8) [FIXED/IRRELEVANT]
 - Certains are not lined up properly when there are tabs in them at 
   certain col values. (9) [FIXED]
 - edit_refresh() and update_line() do not handle selecting text when the
@@ -49,6 +52,7 @@
  [FIXED]
 - Using nano -t, user can not exit until a filename is given via ^O. (30)
  [FIXED]
+- totsize problems still abound in do_justify (33) [FIXED]
 - Using -k cut text is not pasted properly. (34) [FIXED].
 - Using -k pasted text is not updated properly if it goes beyond editbot. (35)
  [FIXED]
@@ -85,17 +89,12 @@
   current line to the top of the screen, which it shouldn't do.  (50) 
   [FIXED]
 - with PDCURSES, running meta-X turns off the keypad.  (51) [FIXED]
+- Resizing the window completely screws up the display if in any other
+  mode than normal editing (help screen, search and replace, file
+  browser..) (52) [FIXED]
 - Alt speller argument (-s, --speller) does not take a string argument of
   more than one word. (53) [FIXED].
-- totsize problems still abound in do_justify (33) [FIXED]
-- Marked cutting sometimes leaves a newline in the file unintelligently,
-  such as when all of a line is selected but the mark doesn't proceed to
-  the new line. (8) [FIXED/IRRELEVANT]
 
 ** Open BUGS **
 
-- Resizing the window completely screws up the display if in any other
-  mode than normal editing (help screen, search and replace, file
-  browser..) (52)
-
 $Id$

ChangeLog

@@ -5,6 +5,8 @@ General
 	  easily replaced with COLS / 2 (oops, not current_x & y (Rob)).
 	- Deleted free_node, duplicate of delete_node, and changed all
 	  free_node calls to delete_node.
+	- Fix for resizing the window in modes other than normal edit mode 
+	  Changes to handle_sigwinch(), main().  Fixes bug #52 (Rocco).
 - files.c:
   write_file()
 	- Don't free() realname on error, if it needs to be free()d later

nano.c

@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <signal.h>
+#include <setjmp.h>
 #include <unistd.h>
 #include <string.h>
 #include <fcntl.h>
@@ -78,6 +79,8 @@ char *last_search = NULL;	/* Last string we searched for */
 char *last_replace = NULL;	/* Last replacement string */
 int search_last_line;		/* Is this the last search line? */
 
+static sigjmp_buf jmpbuf;	/* Used to return to mainloop after SIGWINCH */
+
 /* What we do when we're all set to exit */
 RETSIGTYPE finish(int sigage)
 {
@@ -1610,7 +1613,12 @@ void handle_sigwinch(int s)
     titlebar(NULL);
     edit_refresh();
     display_main_list();
+    blank_statusbar();
     total_refresh();
+
+    /* Jump back to mainloop */
+    siglongjmp(jmpbuf, 1);
+
 #endif
 }
 
@@ -2089,8 +2097,8 @@ int main(int argc, char *argv[])
     int optchr;
     int kbinput;		/* Input from keyboard */
     long startline = 0;		/* Line to try and start at */
-    int keyhandled = 0;		/* Have we handled the keystroke yet? */
+    int keyhandled;		/* Have we handled the keystroke yet? */
-    int i, modify_control_seq = 0;
+    int i, modify_control_seq;
     char *argv0;
 #ifdef _POSIX_VDISABLE
     struct termios term;
@@ -2304,6 +2312,14 @@ int main(int argc, char *argv[])
     else
 	edit_update(fileage, CENTER);
 
+    /* return here after a sigwinch */
+    sigsetjmp(jmpbuf,1);
+
+    /* Fix clobber-age */
+    kbinput = 0;
+    keyhandled = 0;
+    modify_control_seq = 0;
+
     edit_refresh();
     reset_cursor();
 

proto.h

@@ -141,7 +141,7 @@ void do_replace_highlight(int highlight_flag, char *word);
 void nano_disabled_msg(void);
 void window_init(void);
 #ifdef NANO_EXTRA
-void do_credits(void);
+void do_credits(int junk);
 #endif
 
 int do_writeout_void(void), do_exit(void), do_gotoline_void(void);
@@ -160,6 +160,7 @@ struct stat filestat(const char *path);
 char *do_browse_from(char *inpath);
 #endif
 
+RETSIGTYPE main_loop (int junk);
 
 filestruct *copy_node(filestruct * src);
 filestruct *copy_filestruct(filestruct * src);