escape clears a sequence browser selection

[mussa.git] / qui / seqbrowser / SequenceBrowser.cpp

diff --git a/qui/seqbrowser/SequenceBrowser.cpp b/qui/seqbrowser/SequenceBrowser.cpp
index 0927cfd137ea144c5082370e84922b5c09466022..efb0245493400e53c69d08fa7c3ed6c5d7358ca1 100644 (file)
--- a/qui/seqbrowser/SequenceBrowser.cpp
+++ b/qui/seqbrowser/SequenceBrowser.cpp
@@ -23,23 +23,32 @@ SequenceBrowser::SequenceBrowser(QWidget *parent)
     popupMenu(0),
     copySelectedSequenceAsFastaAction(0),
     copySelectedSequenceAsStringAction(0),
-    editSequencePropertiesAction(0)
+    editSequencePropertiesAction(0),
+    clearSelectionAction(0)
 { 
   popupMenu = new QMenu(this);
   copySelectedSequenceAsFastaAction = new QAction(tr("&Copy as Fasta"), this);
-  copySelectedSequenceAsStringAction = new QAction(tr("&Copy Sequence"), this);
-  editSequencePropertiesAction = new QAction(tr("Sequence &Properties"), this);
-  
   connect(copySelectedSequenceAsFastaAction, SIGNAL(triggered()), 
           this, SLOT(copySelectedSequenceAsFasta()));
   popupMenu->addAction(copySelectedSequenceAsFastaAction);
+
+  copySelectedSequenceAsStringAction = new QAction(tr("&Copy Sequence"), this);
   copySelectedSequenceAsStringAction->setShortcut(Qt::CTRL | Qt::Key_C);
   connect(copySelectedSequenceAsStringAction, SIGNAL(triggered()), 
           this, SLOT(copySelectedSequenceAsString()));
   popupMenu->addAction(copySelectedSequenceAsStringAction);
+
   // connect edit properties action
+  editSequencePropertiesAction = new QAction(tr("Sequence &Properties"), this);
   connect(editSequencePropertiesAction, SIGNAL(triggered()), 
           this, SLOT(editSequenceProperties()));
+          
+  clearSelectionAction = new QAction(tr("Clear Selection"), this);
+  clearSelectionAction->setShortcut(Qt::Key_Escape);
+  connect(clearSelectionAction, SIGNAL(triggered()), 
+          this, SLOT(clearSelection()));
+  this->addAction(clearSelectionAction);          
+  
 }
 
 SequenceBrowser::SequenceBrowser(const SequenceBrowser& sb, QWidget *parent)
@@ -47,7 +56,10 @@ SequenceBrowser::SequenceBrowser(const SequenceBrowser& sb, QWidget *parent)
     GlSeqBrowser(sb),
     rubberBand(sb.rubberBand),
     popupMenu(sb.popupMenu),
-    copySelectedSequenceAsFastaAction(sb.copySelectedSequenceAsFastaAction)
+    copySelectedSequenceAsFastaAction(sb.copySelectedSequenceAsFastaAction),
+    copySelectedSequenceAsStringAction(sb.copySelectedSequenceAsStringAction),
+    editSequencePropertiesAction(sb.editSequencePropertiesAction),
+    clearSelectionAction(sb.clearSelectionAction)
 {
   resize(sb.width(), sb.height());
   setZoom(sb.zoom());
@@ -262,3 +274,12 @@ void SequenceBrowser::stopSelecting(QMouseEvent *e)
     selectedCanvasRegion = r;
   }
 }
+
+void SequenceBrowser::clearSelection()
+{
+  GlSeqBrowser::clearSelection();
+  if (rubberBand and rubberBand->isVisible()) {
+    rubberBand->hide();
+  }
+  updateGL();
+}
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