if the mark isn't on, allow Meta-} and Meta-{ to indent and unindent

only the current line, just as it would if the mark covered only the
current line, instead of displaying a statusbar message and quitting


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3758 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -14,6 +14,14 @@ CVS code -
 	  actually blanked.  Changes to do_help(), do_continue(),
 	  handle_sigwinch(), and update_statusbar_line(). (DLR)
 	  (DLR)
+	- If the mark isn't on, allow Meta-} and Meta-{ to indent and
+	  unindent only the current line, just as it would if the mark
+	  covered only the current line, instead of displaying a
+	  statusbar message and quitting.  Changes to shortcut_init(),
+	  do_indent_marked() (renamed do_indent()),
+	  do_indent_marked_void() (renamed do_indent_void()), and
+	  do_unindent_marked_void() (renamed do_unindent()). (DLR,
+	  suggested by John M. Gabriele)
 - browser.c:
   do_browser()
 	- Refactor the mouse support, modeling it after do_mouse() for

src/global.c

@@ -349,8 +349,8 @@ void shortcut_init(bool unjustify)
     const char *nano_whereis_next_msg = N_("Repeat last search");
     const char *nano_copy_msg =
 	N_("Copy the current line and store it in the cutbuffer");
-    const char *nano_indentmarked_msg = N_("Indent marked text");
-    const char *nano_unindentmarked_msg = N_("Unindent marked text");
+    const char *nano_indent_msg = N_("Indent the current line");
+    const char *nano_unindent_msg = N_("Unindent the current line");
 #endif
     const char *nano_forward_msg = N_("Move forward one character");
     const char *nano_back_msg = N_("Move back one character");
@@ -588,12 +588,12 @@ void shortcut_init(bool unjustify)
 	NANO_COPY_ALTKEY, NOVIEW, do_copy_text);
 
     sc_init_one(&main_list, NANO_NO_KEY, N_("Indent Text"),
-	IFHELP(nano_indentmarked_msg, FALSE), NANO_INDENTMARKED_KEY,
-	NANO_NO_KEY, NANO_NO_KEY, NOVIEW, do_indent_marked_void);
+	IFHELP(nano_indent_msg, FALSE), NANO_INDENT_KEY, NANO_NO_KEY,
+	NANO_NO_KEY, NOVIEW, do_indent_void);
 
     sc_init_one(&main_list, NANO_NO_KEY, N_("Unindent Text"),
-	IFHELP(nano_unindentmarked_msg, TRUE), NANO_UNINDENTMARKED_KEY,
-	NANO_NO_KEY, NANO_NO_KEY, NOVIEW, do_unindent_marked_void);
+	IFHELP(nano_unindent_msg, TRUE), NANO_UNINDENT_KEY, NANO_NO_KEY,
+	NANO_NO_KEY, NOVIEW, do_unindent);
 #endif
 
     sc_init_one(&main_list, NANO_FORWARD_KEY, N_("Forward"),

src/nano.h

@@ -547,8 +547,8 @@ typedef struct rcoption {
 #define NANO_DELETE_KEY			NANO_CONTROL_D
 #define NANO_BACKSPACE_KEY		NANO_CONTROL_H
 #define NANO_TAB_KEY			NANO_CONTROL_I
-#define NANO_INDENTMARKED_KEY		NANO_ALT_RCURLYBRACKET
-#define NANO_UNINDENTMARKED_KEY		NANO_ALT_LCURLYBRACKET
+#define NANO_INDENT_KEY			NANO_ALT_RCURLYBRACKET
+#define NANO_UNINDENT_KEY		NANO_ALT_LCURLYBRACKET
 #define NANO_SUSPEND_KEY		NANO_CONTROL_Z
 #define NANO_ENTER_KEY			NANO_CONTROL_M
 #define NANO_TOFILES_KEY		NANO_CONTROL_T

src/proto.h

@@ -613,9 +613,9 @@ void do_delete(void);
 void do_backspace(void);
 void do_tab(void);
 #ifndef NANO_TINY
-void do_indent_marked(ssize_t cols);
-void do_indent_marked_void(void);
-void do_unindent_marked_void(void);
+void do_indent(ssize_t cols);
+void do_indent_void(void);
+void do_unindent(void);
 #endif
 void do_enter(void);
 #ifndef NANO_TINY

src/text.c

@@ -191,12 +191,12 @@ void do_tab(void)
 }
 
 #ifndef NANO_TINY
-/* Indent or unindent all lines covered by the mark len columns,
- * depending on whether len is positive or negative.  If the
- * TABS_TO_SPACES flag is set, indent/unindent by len spaces.
- * Otherwise, indent/unindent by (len / tabsize) tabs and (len %
- * tabsize) spaces. */
-void do_indent_marked(ssize_t cols)
+/* Indent or unindent the current line (or all lines covered by the mark
+ * if the mark is on) len columns, depending on whether len is positive
+ * or negative.  If the TABS_TO_SPACES flag is set, indent/unindent by
+ * len spaces.  Otherwise, indent/unindent by (len / tabsize) tabs and
+ * (len % tabsize) spaces. */
+void do_indent(ssize_t cols)
 {
     bool indent_changed = FALSE;
 	/* Whether any indenting or unindenting was done. */
@@ -212,13 +212,6 @@ void do_indent_marked(ssize_t cols)
 
     assert(openfile->current != NULL && openfile->current->data != NULL);
 
-    /* If the mark isn't on, indicate it on the statusbar and get
-     * out. */
-    if (!openfile->mark_set) {
-	statusbar(_("No lines selected, nothing to do!"));
-	return;
-    }
-
     /* If cols is zero, get out. */
     if (cols == 0)
 	return;
@@ -233,9 +226,15 @@ void do_indent_marked(ssize_t cols)
     } else
 	indent_changed = TRUE;
 
-    /* Get the coordinates of the marked text. */
+    /* If the mark is on, use all lines covered by the mark. */
+    if (openfile->mark_set)
 	mark_order((const filestruct **)&top, &top_x,
 		(const filestruct **)&bot, &bot_x, NULL);
+    /* Otherwise, use the current line. */
+    else {
+	top = openfile->current;
+	bot = top;
+    }
 
     if (!unindent) {
 	/* Set up the text we'll be using as indentation. */
@@ -260,7 +259,7 @@ void do_indent_marked(ssize_t cols)
 	line_indent[line_indent_len] = '\0';
     }
 
-    /* Go through each line of the marked text. */
+    /* Go through each line of the text. */
     for (f = top; f != bot->next; f = f->next) {
 	size_t line_len = strlen(f->data);
 	size_t indent_len = indent_length(f->data);
@@ -276,8 +275,8 @@ void do_indent_marked(ssize_t cols)
 	    openfile->totsize += line_indent_len;
 
 	    /* Keep track of the change in the current line. */
-	    if (f == openfile->mark_begin && openfile->mark_begin_x >=
-		indent_len)
+	    if (openfile->mark_set && f == openfile->mark_begin &&
+		openfile->mark_begin_x >= indent_len)
 		openfile->mark_begin_x += line_indent_len;
 
 	    if (f == openfile->current && openfile->current_x >=
@@ -311,7 +310,7 @@ void do_indent_marked(ssize_t cols)
 		openfile->totsize -= indent_shift;
 
 		/* Keep track of the change in the current line. */
-		if (f == openfile->mark_begin &&
+		if (openfile->mark_set && f == openfile->mark_begin &&
 			openfile->mark_begin_x > indent_new) {
 		    if (openfile->mark_begin_x <= indent_len)
 			openfile->mark_begin_x = indent_new;
@@ -347,16 +346,18 @@ void do_indent_marked(ssize_t cols)
     }
 }
 
-/* Indent all lines covered by the mark tabsize columns. */
-void do_indent_marked_void(void)
+/* Indent the current line, or all lines covered by the mark if the mark
+ * is on, tabsize columns. */
+void do_indent_void(void)
 {
-    do_indent_marked(tabsize);
+    do_indent(tabsize);
 }
 
-/* Unindent all lines covered by the mark tabsize columns. */
-void do_unindent_marked_void(void)
+/* Unindent the current line, or all lines covered by the mark if the
+ * mark is on, tabsize columns. */
+void do_unindent(void)
 {
-    do_indent_marked(-tabsize);
+    do_indent(-tabsize);
 }
 #endif /* !NANO_TINY */