add ctrl+f shortcut to FileBrowser & default focus to filter widget when opened

include/FileBrowser.h

@@ -58,10 +58,13 @@ public slots:
 	void filterItems( const QString & filter );
 	void reloadTree( void );
 
+private slots:
+	void giveFocusToFilter();
 
 private:
 	bool filterItems( QTreeWidgetItem * item, const QString & filter );
 	virtual void keyPressEvent( QKeyEvent * ke );
+	void focusInEvent(QFocusEvent * event);
 
 	void addItems( const QString & path );
 

src/gui/FileBrowser.cpp

@@ -32,6 +32,7 @@
 #include <QMdiArea>
 #include <QMdiSubWindow>
 #include <QMessageBox>
+#include <QShortcut>
 
 #include "FileBrowser.h"
 #include "BBTrackContainer.h"
@@ -97,6 +98,10 @@ FileBrowser::FileBrowser(const QString & directories, const QString & filter,
 
 	addContentWidget( ops );
 
+	// Whenever the FileBrowser has focus, Ctrl+F should direct focus to its filter box.
+	QShortcut *filterFocusShortcut = new QShortcut( QKeySequence( Qt::CTRL + Qt::Key_F ), this, SLOT(giveFocusToFilter()) );
+	filterFocusShortcut->setContext(Qt::WidgetWithChildrenShortcut);
+
 	reloadTree();
 	show();
 }
@@ -253,7 +258,21 @@ void FileBrowser::reloadTree( void )
 	filterItems( text );
 }
 
+void FileBrowser::giveFocusToFilter()
+{
+	if (!m_filterEdit->hasFocus())
+	{
+		// give focus to filter text box and highlight its text for quick editing if not previously focused
+		m_filterEdit->setFocus();
+		m_filterEdit->selectAll();
+	}
+}
 
+void FileBrowser::focusInEvent(QFocusEvent * event)
+{
+	// when the FileBrowser is opened, direct focus to the filter for quick filtering
+	giveFocusToFilter();
+}
 
 
 void FileBrowser::addItems(const QString & path )

src/gui/widgets/SideBar.cpp

@@ -158,6 +158,10 @@ void SideBar::toggleButton( QAbstractButton * button )
 		activeWidget->setVisible( button->isChecked() );
 		toolButton->setToolButtonStyle( button->isChecked() ?
 				Qt::ToolButtonTextBesideIcon : Qt::ToolButtonIconOnly );
+		if ( button->isChecked() )
+		{
+			activeWidget->setFocus();
+		}
 	}
 }