[Performous-commit] Tapio Vierros : Viewport follows SeekHandle during playback.

[Tapio V. <aa...@us...>]

Module: editor
Branch: master
Commit: 80f523dcd9700d76a908f0bd0e0fbd94e826ed57

Author: Tapio Vierros <tap...@gm...>
Date:   Thu Jan 20 17:00:26 2011 +0200

Viewport follows SeekHandle during playback.

---

 notegraphwidget.cc |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/notegraphwidget.cc b/notegraphwidget.cc
index ff914ea..7c9dfea 100644
--- a/notegraphwidget.cc
+++ b/notegraphwidget.cc
@@ -493,7 +493,19 @@ void SeekHandle::mouseMoveEvent(QMouseEvent *event)
 
 void SeekHandle::timerEvent(QTimerEvent *event)
 {
+	(void)event;
 	move(x() + 1, 0);
+
+	// Make handle always visible in the ScrollArea
+	if (parentWidget() && parentWidget()->parentWidget()) {
+		QScrollArea *scrollArea = qobject_cast<QScrollArea*>(parentWidget()->parentWidget()->parent());
+		if (scrollArea) {
+			QScrollBar *scrollVer = scrollArea->verticalScrollBar();
+			int y = 0;
+			if (scrollVer) y = scrollVer->value();
+			scrollArea->ensureVisible(x() + scrollArea->width()/3, y, scrollArea->width()/3, 0);
+		}
+	}
 }