From b9ddb801231523b24b842885f366c96a65527281 Mon Sep 17 00:00:00 2001
From: David Lawrence Ramsey <pooka109@gmail.com>
Date: Thu, 17 Mar 2005 17:56:48 +0000
Subject: [PATCH] allow refreshing of the help browser window, as Pico does,
 and remove a few stray spaces from the main help text

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2386 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
---
 ChangeLog    |  5 +++++
 src/global.c |  4 ++++
 src/nano.c   |  4 ++--
 src/proto.h  |  3 ++-
 src/winio.c  | 33 +++++++++++++++++++++------------
 5 files changed, 34 insertions(+), 15 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 24f3edf8..737c98b4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -315,6 +315,11 @@ CVS code -
   total_refresh()
 	- Refresh bottomwin using the value of currshortcut, and change
 	  the code around do_refresh() calls to accommodate this. (DLR)
+	- Split out the code that blanks the screen before refreshing it
+	  into the new function total_blank().
+  do_help()
+	- Refresh the screen when Ctrl-L is pressed in the help browser,
+	  as Pico does. (DLR)
 - configure.ac:
 	- Remove specific references to control key shortcuts. (DLR)
 	- Check for the wide version of ncurses, without which multibyte
diff --git a/src/global.c b/src/global.c
index bc76c986..53f13bc9 100644
--- a/src/global.c
+++ b/src/global.c
@@ -811,6 +811,10 @@ void shortcut_init(bool unjustify)
 	IFHELP(nano_nextline_msg, NANO_NO_KEY), NANO_NO_KEY,
 	NANO_NO_KEY, VIEW, NULL);
 
+    sc_init_one(&help_list, NANO_REFRESH_KEY, N_("Refresh"),
+	IFHELP(nano_refresh_msg, NANO_NO_KEY), NANO_NO_KEY,
+	NANO_NO_KEY, VIEW, NULL);
+
     sc_init_one(&help_list, NANO_EXIT_KEY, exit_msg,
 	IFHELP(nano_exit_msg, NANO_NO_KEY), NANO_EXIT_FKEY,
 	NANO_NO_KEY, VIEW, NULL);
diff --git a/src/nano.c b/src/nano.c
index 3a8413fd..3a018a5d 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -381,9 +381,9 @@ void help_init(void)
 	  "(M) symbol and can be entered using either the Esc, Alt or "
 	  "Meta key depending on your keyboard setup.  Also, pressing Esc "
 	  "twice and then typing a three-digit decimal number from 000 to "
-	  " 255 will enter the character with the corresponding value.  "
+	  "255 will enter the character with the corresponding value.  "
 	  "The following keystrokes are available in the main editor "
-	  " window.  Alternative keys are shown in parentheses:\n\n");
+	  "window.  Alternative keys are shown in parentheses:\n\n");
 
     htx = _(htx);
 
diff --git a/src/proto.h b/src/proto.h
index 9a797d16..04eb01a0 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -634,8 +634,8 @@ void blank_titlebar(void);
 void blank_topbar(void);
 void blank_edit(void);
 void blank_statusbar(void);
-void check_statusblank(void);
 void blank_bottombars(void);
+void check_statusblank(void);
 char *display_string(const char *buf, size_t start_col, size_t len, bool
 	dollars);
 void nanoget_repaint(const char *buf, const char *inputbuf, size_t x);
@@ -674,6 +674,7 @@ void edit_redraw(const filestruct *old_current, size_t old_pww);
 void edit_refresh(void);
 void edit_update(topmidnone location);
 int do_yesno(bool all, const char *msg);
+void total_blank(void);
 void total_refresh(void);
 void display_main_list(void);
 void do_cursorpos(bool constant);
diff --git a/src/winio.c b/src/winio.c
index 60a60eaf..d781aed2 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -2190,6 +2190,14 @@ void blank_statusbar(void)
     mvwaddstr(bottomwin, 0, 0, hblank);
 }
 
+void blank_bottombars(void)
+{
+    if (!ISSET(NO_HELP)) {
+	mvwaddstr(bottomwin, 1, 0, hblank);
+	mvwaddstr(bottomwin, 2, 0, hblank);
+    }
+}
+
 void check_statusblank(void)
 {
     if (statusblank > 1)
@@ -2203,14 +2211,6 @@ void check_statusblank(void)
     }
 }
 
-void blank_bottombars(void)
-{
-    if (!ISSET(NO_HELP)) {
-	mvwaddstr(bottomwin, 1, 0, hblank);
-	mvwaddstr(bottomwin, 2, 0, hblank);
-    }
-}
-
 /* Convert buf into a string that can be displayed on screen.  The
  * caller wants to display buf starting with column start_col, and
  * extending for at most len columns.  start_col is zero-based.  len is
@@ -3732,7 +3732,7 @@ int do_yesno(bool all, const char *msg)
     return ok;
 }
 
-void total_refresh(void)
+void total_blank(void)
 {
     clearok(topwin, TRUE);
     clearok(edit, TRUE);
@@ -3744,6 +3744,11 @@ void total_refresh(void)
     clearok(topwin, FALSE);
     clearok(edit, FALSE);
     clearok(bottomwin, FALSE);
+}
+
+void total_refresh(void)
+{
+    total_blank();
     titlebar(NULL);
     edit_refresh();
     bottombars(currshortcut);
@@ -3929,10 +3934,14 @@ void do_help(void)
 		break;
 	}
 
-	if (line == old_line && kbinput != ERR)
-	    goto skip_redisplay;
+	if (kbinput == NANO_REFRESH_KEY)
+	    total_blank();
+	else {
+	    if (line == old_line && kbinput != ERR)
+		goto skip_redisplay;
 
-	blank_edit();
+	    blank_edit();
+	}
 
 	assert(COLS > 5);