From 9c48d5f4d73e9810339c4959bea245020b4255c3 Mon Sep 17 00:00:00 2001
From: Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
Date: Sun, 14 Feb 2010 20:33:27 +0100
Subject: Made the ScrollArea scrolling with buttons smoother

Update more frequently (every tick) and by a smaller amount.
---
 src/gui/widgets/scrollarea.cpp | 54 ++++++++++++++++++------------------------
 src/gui/widgets/scrollarea.h   |  2 --
 2 files changed, 23 insertions(+), 33 deletions(-)

diff --git a/src/gui/widgets/scrollarea.cpp b/src/gui/widgets/scrollarea.cpp
index 6754b00c..8c88c2dc 100644
--- a/src/gui/widgets/scrollarea.cpp
+++ b/src/gui/widgets/scrollarea.cpp
@@ -24,7 +24,6 @@
 #include "configuration.h"
 #include "graphics.h"
 
-#include "gui/gui.h"
 #include "gui/skin.h"
 
 #include "resources/image.h"
@@ -89,6 +88,11 @@ void ScrollArea::init()
     // Draw background by default
     setOpaque(true);
 
+    setUpButtonScrollAmount(2);
+    setDownButtonScrollAmount(2);
+    setLeftButtonScrollAmount(2);
+    setRightButtonScrollAmount(2);
+
     if (instances == 0)
     {
         // Load the background skin
@@ -160,18 +164,13 @@ void ScrollArea::init()
             resman->getImage("graphics/gui/hscroll_right_pressed.png");
     }
 
-    mLastUpdate = tick_time;
-
     instances++;
 }
 
 void ScrollArea::logic()
 {
     if (!isVisible())
-    {
-        mLastUpdate = tick_time;
         return;
-    }
 
     gcn::ScrollArea::logic();
     gcn::Widget *content = getContent();
@@ -192,32 +191,25 @@ void ScrollArea::logic()
         }
     }
 
-    const int updateTicks = get_elapsed_time(mLastUpdate) / 100;
-
-    if (updateTicks > 0)
+    if (mUpButtonPressed)
     {
-        if (mUpButtonPressed)
-        {
-            setVerticalScrollAmount(getVerticalScrollAmount() -
-                                    mUpButtonScrollAmount);
-        }
-        else if (mDownButtonPressed)
-        {
-            setVerticalScrollAmount(getVerticalScrollAmount() +
-                                    mDownButtonScrollAmount);
-        }
-        else if (mLeftButtonPressed)
-        {
-            setHorizontalScrollAmount(getHorizontalScrollAmount() - 
-                                      mLeftButtonScrollAmount);
-        }
-        else if (mRightButtonPressed)
-        {
-            setHorizontalScrollAmount(getHorizontalScrollAmount() +
-                                      mRightButtonScrollAmount);
-        }
-
-        mLastUpdate = tick_time;
+        setVerticalScrollAmount(getVerticalScrollAmount() -
+                                mUpButtonScrollAmount);
+    }
+    else if (mDownButtonPressed)
+    {
+        setVerticalScrollAmount(getVerticalScrollAmount() +
+                                mDownButtonScrollAmount);
+    }
+    else if (mLeftButtonPressed)
+    {
+        setHorizontalScrollAmount(getHorizontalScrollAmount() -
+                                  mLeftButtonScrollAmount);
+    }
+    else if (mRightButtonPressed)
+    {
+        setHorizontalScrollAmount(getHorizontalScrollAmount() +
+                                  mRightButtonScrollAmount);
     }
 }
 
diff --git a/src/gui/widgets/scrollarea.h b/src/gui/widgets/scrollarea.h
index aa7b71a0..42e0923e 100644
--- a/src/gui/widgets/scrollarea.h
+++ b/src/gui/widgets/scrollarea.h
@@ -139,8 +139,6 @@ class ScrollArea : public gcn::ScrollArea, public gcn::WidgetListener
         int mX,mY;
         bool mHasMouse;
         bool mOpaque;
-
-        int mLastUpdate;
 };
 
 #endif
-- 
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