From 33312863839c182a3cdb9ca643580861faa2148d Mon Sep 17 00:00:00 2001
From: Diane Trout <diane@caltech.edu>
Date: Sat, 28 Oct 2006 01:47:01 +0000
Subject: [PATCH] allow verticle scrollbar for sequence browser widget
 ticket:182 if the window is smaller than the minimum useful scrollable
 browser size start using a scroll bar.

---
 qui/seqbrowser/SequenceBrowserWidget.cpp | 13 ++++++++-----
 qui/seqbrowser/SequenceBrowserWidget.hpp |  4 ++--
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/qui/seqbrowser/SequenceBrowserWidget.cpp b/qui/seqbrowser/SequenceBrowserWidget.cpp
index f0f0b44..f6f7f6f 100644
--- a/qui/seqbrowser/SequenceBrowserWidget.cpp
+++ b/qui/seqbrowser/SequenceBrowserWidget.cpp
@@ -22,19 +22,22 @@ SequenceBrowserWidget::SequenceBrowserWidget(
     boost::shared_ptr<QDir> default_dir_,
     QWidget *parent
 )
-  : QWidget(parent),
+  : QScrollArea(parent),
     default_dir(default_dir_),
     left_sidebar(new SequenceBrowserSidebar),
     scrollable_browser(new ScrollableSequenceBrowser),
     right_sidebar(new SequenceBrowserSidebar),
-    layout(new QHBoxLayout)
+    layout(new QHBoxLayout),
+    layout_container(new QWidget(this))
 {
   layout->addWidget(left_sidebar, 0);
   layout->addWidget(scrollable_browser, 1);
   layout->addWidget(right_sidebar, 0);
-
-  setLayout(layout);
-
+  
+  layout_container->setLayout(layout);
+  setWidget(layout_container);
+  setWidgetResizable(true);
+  
   // update position values when something in the SequenceBrowser changes
   connect(&(scrollable_browser->browser()), SIGNAL(viewportChanged()),
           this, SLOT(updatePosition()));
diff --git a/qui/seqbrowser/SequenceBrowserWidget.hpp b/qui/seqbrowser/SequenceBrowserWidget.hpp
index 3527e20..030f1da 100644
--- a/qui/seqbrowser/SequenceBrowserWidget.hpp
+++ b/qui/seqbrowser/SequenceBrowserWidget.hpp
@@ -15,7 +15,7 @@
 #include "qui/seqbrowser/SequenceBrowserSidebar.hpp"
 
 //! the master widget that makes a useful Sequence Browser
-class SequenceBrowserWidget : public QWidget 
+class SequenceBrowserWidget : public QScrollArea 
 {
   Q_OBJECT 
 
@@ -45,7 +45,6 @@ public:
    * as it draw and redraws the SequenceDescriptions in the various
    * positions.
    */
-  //void push_sequences(std::vector<Sequence>& sequences);
   void setSequences(
       const std::vector< boost::shared_ptr<Sequence> >& sequences, 
       boost::shared_ptr<AnnotationColors> cm);
@@ -87,6 +86,7 @@ private:
   SequenceBrowserSidebar *left_sidebar;
   SequenceBrowserSidebar *right_sidebar;
   QHBoxLayout *layout;
+  QWidget *layout_container;
 
   //! sequences created by a setSequences(vector<Sequences>) call
   /*! I need to save them so i can free them to avoid a memory leak 
-- 
2.30.2