Add some keyboard shortcuts for selecting preview.

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 65db8cf96bc1e17e0138515e7cd32ba4bc71083c..0289dbf1ac60d457a1961539535393920a176323 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -5,6 +5,7 @@
 #include <string>
 #include <QSignalMapper>
 #include <QMetaType>
+#include <QShortcut>
 
 #include "context.h"
 #include "mixer.h"
@@ -37,6 +38,23 @@ MainWindow::MainWindow()
                connect(ui->preview1, SIGNAL(clicked()), mapper, SLOT(map()));
                connect(ui->preview2, SIGNAL(clicked()), mapper, SLOT(map()));
                connect(ui->preview3, SIGNAL(clicked()), mapper, SLOT(map()));
+
+               connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
+       }
+
+       // Hook up the preview keyboard keys.
+       {
+               QSignalMapper *mapper = new QSignalMapper(this);
+               QShortcut *shortcut1 = new QShortcut(QKeySequence(Qt::Key_1), this);
+               connect(shortcut1, SIGNAL(activated()), mapper, SLOT(map()));
+               QShortcut *shortcut2 = new QShortcut(QKeySequence(Qt::Key_2), this);
+               connect(shortcut2, SIGNAL(activated()), mapper, SLOT(map()));
+               QShortcut *shortcut3 = new QShortcut(QKeySequence(Qt::Key_3), this);
+               connect(shortcut3, SIGNAL(activated()), mapper, SLOT(map()));
+               mapper->setMapping(shortcut1, 0),
+               mapper->setMapping(shortcut2, 1);
+               mapper->setMapping(shortcut3, 2);
+
                connect(mapper, SIGNAL(mapped(int)), this, SLOT(channel_clicked(int)));
        }