Get rid of center_x and center_y, removed redundant free_node, added restore of totsize when unjustifying

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@492 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -1,4 +1,10 @@
 CVS code -
+General
+	- Removed current_x and current_y globals.  current_y was
+	  completely unused and current_x was only used a few places,
+	  easily replaced with COLS / 2.
+	- Deleted free_node, duplicate of delete_node, and changed all
+	  free_node calls to delete_node.
 - files.c:
   write_file()
 	- Don't free() realname on error, if it needs to be free()d later
@@ -6,6 +12,9 @@ CVS code -
 	  discovered by David Sobon).
   username_tab_completion()
 	- Optimization and removal of useless vars (Rocco).
+- nano.c:
+  do_justify()
+	- Added restoration of totsize after unjustify command.
 
 nano 0.9.99-pre1 - 01/17/2001
 General

global.c

@@ -35,7 +35,6 @@
  * Global variables
  */
 int flags = 0;			/* Our new flag containig many options */
-int center_x = 0, center_y = 0;	/* Center of screen */
 WINDOW *edit;			/* The file portion of the editor  */
 WINDOW *topwin;			/* Top line of screen */
 WINDOW *bottomwin;		/* Bottom buffer */

nano.c

@@ -169,8 +169,6 @@ void global_init(void)
 {
     int i;
 
-    center_x = COLS / 2;
-    center_y = LINES / 2;
     current_x = 0;
     current_y = 0;
 
@@ -254,8 +252,11 @@ void unlink_node(filestruct * fileptr)
 
 void delete_node(filestruct * fileptr)
 {
+    if (fileptr == NULL)
+	return;
+
     if (fileptr->data != NULL)
-	free(fileptr->data);
+        free(fileptr->data);
     free(fileptr);
 }
 
@@ -283,18 +284,6 @@ filestruct *copy_filestruct(filestruct * src)
     return head;
 }
 
-/* Free() a single node */
-int free_node(filestruct * src)
-{
-    if (src == NULL)
-	return 0;
-
-    if (src->next != NULL)
-	free(src->data);
-    free(src);
-    return 1;
-}
-
 int free_filestruct(filestruct * src)
 {
     filestruct *fileptr = src;
@@ -304,15 +293,15 @@ int free_filestruct(filestruct * src)
 
     while (fileptr->next != NULL) {
 	fileptr = fileptr->next;
-	free_node(fileptr->prev);
+	delete_node(fileptr->prev);
 
 #ifdef DEBUG
-	fprintf(stderr, _("free_node(): free'd a node, YAY!\n"));
+	fprintf(stderr, _("delete_node(): free'd a node, YAY!\n"));
 #endif
     }
-    free_node(fileptr);
+    delete_node(fileptr);
 #ifdef DEBUG
-    fprintf(stderr, _("free_node(): free'd last node.\n"));
+    fprintf(stderr, _("delete_node(): free'd last node.\n"));
 #endif
 
     return 1;
@@ -1571,9 +1560,6 @@ void handle_sigwinch(int s)
     COLS = win.ws_col;
     LINES = win.ws_row;
 
-    center_x = COLS / 2;
-    center_y = LINES / 2;
-
     if ((editwinrows = LINES - 5 + no_help()) < MIN_EDITOR_ROWS)
 	die_too_small();
 
@@ -1751,7 +1737,7 @@ int do_justify(void)
     return 1;
 #else
     int slen = 0;		/* length of combined lines on one line. */
-    int initial_y, kbinput = 0;
+    int initial_y, kbinput = 0, totbak;
     filestruct *initial = NULL, *tmpjust = NULL, *cutbak, *tmptop, *tmpbot;
 
     if (empty_line(current->data)) {
@@ -1791,6 +1777,7 @@ int do_justify(void)
 
     set_modified();
     cutbak = cutbuffer; /* Got to like cutbak ;) */
+    totbak = totsize;
     cutbuffer = NULL;
 
     tmptop = current;
@@ -1915,6 +1902,8 @@ int do_justify(void)
 	if (tmptop->prev == NULL)
 	    edit_refresh();
 
+	/* Restore totsize from befure justify */
+	totsize = totbak;
 	free_filestruct(tmptop);
 	blank_statusbar_refresh();
     }

proto.h

@@ -29,7 +29,7 @@
 
 #include "nano.h"
 
-extern int center_x, center_y, editwinrows;
+extern int editwinrows;
 extern int current_x, current_y, posible_max, totlines;
 extern int placewewant;
 extern int mark_beginx, samelinewrap;

winio.c

@@ -480,7 +480,7 @@ void titlebar(char *path)
     namelen = strlen(what);
 
     if (!strcmp(what, ""))
-	mvwaddstr(topwin, 0, center_x - 6, _("New Buffer"));
+	mvwaddstr(topwin, 0, COLS / 2 - 6, _("New Buffer"));
     else {
 	if (namelen > space) {
 	    if (path == NULL)
@@ -490,9 +490,9 @@ void titlebar(char *path)
 	    waddstr(topwin, &what[namelen - space]);
 	} else {
 	    if (path == NULL)
-		mvwaddstr(topwin, 0, center_x - (namelen / 2 + 1), "File: ");
+		mvwaddstr(topwin, 0, COLS / 2 - (namelen / 2 + 1), "File: ");
 	    else
-	 	mvwaddstr(topwin, 0, center_x - (namelen / 2 + 1), " DIR: ");
+	 	mvwaddstr(topwin, 0, COLS / 2 - (namelen / 2 + 1), " DIR: ");
 	    waddstr(topwin, what);
 	}
     }
@@ -1090,7 +1090,7 @@ void statusbar(char *msg, ...)
     vsnprintf(foo, 132, msg, ap);
     va_end(ap);
 
-    start_x = center_x - strlen(foo) / 2 - 1;
+    start_x = COLS / 2 - strlen(foo) / 2 - 1;
 
     /* Blank out line */
     blank_statusbar();
@@ -1447,7 +1447,7 @@ void do_credits(void)
 		else
 		    what = "";
 
-		start_x = center_x - strlen(what) / 2 - 1;
+		start_x = COLS / 2 - strlen(what) / 2 - 1;
 		mvwaddstr(edit, i * 2 - k, start_x, what);
 	    }
 	    usleep(700000);