From 1b1267674f2b1d632097e60f1284f6ba97b10e00 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sat, 23 Feb 2008 10:50:28 +0100
Subject: [PATCH] The scrollbar handle now always has a height that is at least
 the width of the scrollbar

---
 HISTORY                             | 5 +++--
 PLUGINS/src/skincurses/HISTORY      | 5 +++--
 PLUGINS/src/skincurses/skincurses.c | 7 ++++---
 skinclassic.c                       | 7 ++++---
 skinsttng.c                         | 7 ++++---
 5 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/HISTORY b/HISTORY
index 3b6d78bc..7c980bd5 100644
--- a/HISTORY
+++ b/HISTORY
@@ -5644,7 +5644,7 @@ Video Disk Recorder Revision History
   should be used.
 - Fixed calculating the scrollbar sizes in the skins.
 
-2008-02-21: Version 1.5.16
+2008-02-23: Version 1.5.16
 
 - Fixed setting the current subtitle track in Transfer-Mode (reported by Petri Helin,
   thanks to Reinhard Nissl for pointing out that cDevice::Transferring() doesn't
@@ -5655,4 +5655,5 @@ Video Disk Recorder Revision History
 - Updated the Italian OSD texts (thanks to Diego Pierotto).
 - Fixed the format in cRemote::Put() to use "%016llX" instead of "%016LX" (thanks
   to Ludwig Nussel for pointing this out).
-- Revised the fix of calculating the scrollbar height in the skins.
+- Revised the fix of calculating the scrollbar height in the skins. The scrollbar
+  handle now always has a height that is at least the width of the scrollbar.
diff --git a/PLUGINS/src/skincurses/HISTORY b/PLUGINS/src/skincurses/HISTORY
index 117286b6..6088c8b6 100644
--- a/PLUGINS/src/skincurses/HISTORY
+++ b/PLUGINS/src/skincurses/HISTORY
@@ -71,6 +71,7 @@ VDR Plugin 'skincurses' Revision History
 - Using cString::sprintf() instead of asprintf().
 - Implemented cSkinCursesDisplayMenu::SetScrollbar().
 
-2008-02-22: Version 0.1.6
+2008-02-23: Version 0.1.6
 
-- Revised the fix of calculating the scrollbar height in the skins.
+- Revised the fix of calculating the scrollbar height in the skins. The scrollbar
+  handle now always has a height that is at least the width of the scrollbar.
diff --git a/PLUGINS/src/skincurses/skincurses.c b/PLUGINS/src/skincurses/skincurses.c
index 833eb6aa..ed30a5e7 100644
--- a/PLUGINS/src/skincurses/skincurses.c
+++ b/PLUGINS/src/skincurses/skincurses.c
@@ -3,7 +3,7 @@
  *
  * See the README file for copyright information and how to reach the author.
  *
- * $Id: skincurses.c 1.21 2008/02/22 17:02:31 kls Exp $
+ * $Id: skincurses.c 1.22 2008/02/23 10:38:04 kls Exp $
  */
 
 #include <ncurses.h>
@@ -299,8 +299,9 @@ void cSkinCursesDisplayMenu::DrawScrollbar(int Total, int Offset, int Shown, int
      int yb = yt + Height;
      int st = yt;
      int sb = yb;
-     int tt = st + (sb - st) * double(Offset) / Total + 0.5;
-     int tb = tt + (sb - st) * double(Shown) / Total + 0.5;
+     int th = max(int((sb - st) * double(Shown) / Total + 0.5), 1);
+     int tt = min(int(st + (sb - st) * double(Offset) / Total + 0.5), sb - th);
+     int tb = min(tt + th, sb);
      int xl = ScOsdWidth - 1;
      osd->DrawRectangle(xl, st, xl, sb - 1, clrWhite);
      osd->DrawRectangle(xl, tt, xl, tb - 1, clrCyan);
diff --git a/skinclassic.c b/skinclassic.c
index 30d7fc65..6c36278b 100644
--- a/skinclassic.c
+++ b/skinclassic.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: skinclassic.c 1.26 2008/02/22 16:56:29 kls Exp $
+ * $Id: skinclassic.c 1.27 2008/02/23 10:31:58 kls Exp $
  */
 
 #include "skinclassic.h"
@@ -236,8 +236,9 @@ void cSkinClassicDisplayMenu::DrawScrollbar(int Total, int Offset, int Shown, in
      int yb = yt + Height;
      int st = yt;
      int sb = yb;
-     int tt = st + (sb - st) * double(Offset) / Total + 0.5;
-     int tb = tt + (sb - st) * double(Shown) / Total + 0.5;
+     int th = max(int((sb - st) * double(Shown) / Total + 0.5), ScrollWidth);
+     int tt = min(int(st + (sb - st) * double(Offset) / Total + 0.5), sb - th);
+     int tb = min(tt + th, sb);
      int xl = x3 - ScrollWidth;
      osd->DrawRectangle(xl, st, x3 - 1, sb - 1, Theme.Color(clrMenuScrollbarTotal));
      osd->DrawRectangle(xl, tt, x3 - 1, tb - 1, Theme.Color(clrMenuScrollbarShown));
diff --git a/skinsttng.c b/skinsttng.c
index 95f4ebe3..f6298411 100644
--- a/skinsttng.c
+++ b/skinsttng.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: skinsttng.c 1.27 2008/02/22 16:56:30 kls Exp $
+ * $Id: skinsttng.c 1.28 2008/02/23 10:23:44 kls Exp $
  */
 
 // Star Trek: The Next Generation® is a registered trademark of Paramount Pictures
@@ -445,8 +445,9 @@ void cSkinSTTNGDisplayMenu::DrawScrollbar(int Total, int Offset, int Shown, int
      int yb = yt + Height;
      int st = yt + h + Gap;
      int sb = yb - h - Gap;
-     int tt = st + (sb - st) * double(Offset) / Total + 0.5;
-     int tb = tt + (sb - st) * double(Shown) / Total + 0.5;
+     int th = max(int((sb - st) * double(Shown) / Total + 0.5), ScrollWidth);
+     int tt = min(int(st + (sb - st) * double(Offset) / Total + 0.5), sb - th);
+     int tb = min(tt + th, sb);
      osd->DrawRectangle(x5, st, x5 + ScrollWidth - 1, sb - 1, Theme.Color(clrMenuScrollbarTotal));
      osd->DrawRectangle(x5, tt, x5 + ScrollWidth - 1, tb - 1, Theme.Color(clrMenuScrollbarShown));
      osd->DrawRectangle(x5, yt, x6 - 1, yt + h - 1, frameColor);