Move 'clear play queue' button to before search button

widgets/spacerwidget.cpp

@@ -0,0 +1,58 @@
+/*
+ * Cantata
+ *
+ * Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
+ *
+ * ----
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "spacerwidget.h"
+#include "toolbutton.h"
+#include <QPainter>
+#include <QLinearGradient>
+
+static int fixedWidth=0;
+
+SpacerWidget::SpacerWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    if (0==fixedWidth) {
+        ToolButton tb(parent);
+        tb.ensurePolished();
+        fixedWidth=tb.sizeHint().width()*0.75;
+    }
+    setFixedWidth(fixedWidth);
+}
+
+void SpacerWidget::paintEvent(QPaintEvent *e)
+{
+    QWidget::paintEvent(e);
+    QPainter p(this);
+    QColor col(palette().text().color());
+    col.setAlphaF(0.333);
+    QPoint start(width()/2, 0);
+    QPoint end(width()/2, height()-1);
+    QLinearGradient grad(start, end);
+    grad.setColorAt(0.4, col);
+    grad.setColorAt(0.6, col);
+    col.setAlphaF(0);
+    grad.setColorAt(0.1, col);
+    grad.setColorAt(0.9, col);
+    p.setPen(QPen(QBrush(grad), 1));
+    p.drawLine(start, end);
+}