From edcda37c5e69850f38e525e4434c27f208f60c7e Mon Sep 17 00:00:00 2001
From: Mark Watkins <jedimark@users.sourceforge.net>
Date: Fri, 26 Aug 2011 16:56:51 +1000
Subject: [PATCH] FooBar Play #1

---
 Graphs/gFooBar.cpp | 41 +++++++++++++++++++++++++++++++++++++----
 1 file changed, 37 insertions(+), 4 deletions(-)

diff --git a/Graphs/gFooBar.cpp b/Graphs/gFooBar.cpp
index fc88a994..610a36ff 100644
--- a/Graphs/gFooBar.cpp
+++ b/Graphs/gFooBar.cpp
@@ -83,12 +83,45 @@ void gFooBar::paint(gGraph & w,int left, int top, int width, int height)
     double px=((1/rmx)*(w.min_x-w.rmin_x))*width;
     double py=((1/rmx)*(w.max_x-w.rmin_x))*width;
 
-    glLineWidth(3);
+    int extra=0;
+    if (abs(px-py)<2) extra=2;
+
+    int hh=40;
+    glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
+    glEnable(GL_BLEND);
+    glBegin(GL_QUADS);
+
+    glColor4ub(255,255,255,128);
+    glVertex2f(start_px+px-extra,top-hh);
+    glVertex2f(start_px+py+extra,top-hh);
+    //glColor4ub(255,255,255,128);
+    w.qglColor(m_handle_color);
+    glVertex2f(start_px+py+extra,top-hh/2.0);
+    glVertex2f(start_px+px-extra,top-hh/2.0);
+//    glColor4ub(255,255,255,128);
+    w.qglColor(m_handle_color);
+    glVertex2f(start_px+px-extra,top-hh/2.0);
+    glVertex2f(start_px+py+extra,top-hh/2.0);
+    glColor4ub(192,192,192,128);
+    glVertex2f(start_px+py+extra,h);
+    glVertex2f(start_px+px-extra,h);
+    glEnd();
+    glDisable(GL_BLEND);
+
+    w.qglColor(m_handle_color);
+    glBegin(GL_LINE_LOOP);
+    glVertex2f(start_px+px-extra,top-hh);
+    glVertex2f(start_px+py+extra,top-hh);
+    glVertex2f(start_px+py+extra,h);
+    glVertex2f(start_px+px-extra,h);
+    glEnd();
+
+    /*glLineWidth(3);
     glBegin(GL_LINES);
     w.qglColor(m_handle_color);
-    glVertex2f(start_px+px-4,h);
-    glVertex2f(start_px+py+4,h);
-    glEnd();
+    glVertex2f(start_px+px-extra,h);
+    glVertex2f(start_px+py+extra,h);
+    glEnd(); */
 
     glLineWidth(1);