[Performous-commit] Tapio Vierros : Use qobject_cast<> with widgets.

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

Module: editor
Branch: master
Commit: e7c137cfa5f5d74ce51a4d2487aae778691eb6fa

Author: Tapio Vierros <tap...@gm...>
Date:   Tue Jan 11 22:08:41 2011 +0200

Use qobject_cast<> with widgets.

---

 CMakeLists.txt     |    2 +-
 notegraphwidget.cc |   12 ++++++------
 notelabel.cc       |    2 +-
 notelabel.hh       |    2 ++
 4 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b5c77c4..af65e1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ find_package(Qt4 REQUIRED) # find and setup Qt4 for this project
 include(${QT_USE_FILE})
 
 # Headers that need MOC need to be defined separately
-file(GLOB MOC_HEADER_FILES "editorapp.hh" "notegraphwidget.hh")
+file(GLOB MOC_HEADER_FILES "editorapp.hh" "notelabel.hh" "notegraphwidget.hh")
 
 file(GLOB SOURCE_FILES "*.cc")
 file(GLOB HEADER_FILES "*.hh")
diff --git a/notegraphwidget.cc b/notegraphwidget.cc
index 3e05b09..04492f7 100644
--- a/notegraphwidget.cc
+++ b/notegraphwidget.cc
@@ -48,7 +48,7 @@ void NoteGraphWidget::clear()
 	// Clear NoteLabels
 	const QObjectList &childlist = children();
 	for (QObjectList::const_iterator it = childlist.begin(); it != childlist.end(); ++it) {
-		NoteLabel *child = dynamic_cast<NoteLabel*>(*it);
+		NoteLabel *child = qobject_cast<NoteLabel*>(*it);
 		if (child) child->close();
 	}
 	m_notes.clear();
@@ -165,7 +165,7 @@ void NoteGraphWidget::rebuildNoteList()
 	m_notes.clear();
 	const QObjectList &childlist = children();
 	for (QObjectList::const_iterator it = childlist.begin(); it != childlist.end(); ++it) {
-		NoteLabel *child = dynamic_cast<NoteLabel*>(*it);
+		NoteLabel *child = qobject_cast<NoteLabel*>(*it);
 		if (child) m_notes.push_back(child);
 	}
 	m_notes.sort(cmpNoteLabelPtr);
@@ -173,7 +173,7 @@ void NoteGraphWidget::rebuildNoteList()
 
 void NoteGraphWidget::mousePressEvent(QMouseEvent *event)
 {
-	NoteLabel *child = static_cast<NoteLabel*>(childAt(event->pos()));
+	NoteLabel *child = qobject_cast<NoteLabel*>(childAt(event->pos()));
 	if (!child) {
 		// Left click empty area = pan
 		if (event->button() == Qt::LeftButton)
@@ -241,7 +241,7 @@ void NoteGraphWidget::mouseReleaseEvent(QMouseEvent *event)
 
 void NoteGraphWidget::wheelEvent(QWheelEvent *event)
 {
-	NoteLabel *child = static_cast<NoteLabel*>(childAt(event->pos()));
+	NoteLabel *child = qobject_cast<NoteLabel*>(childAt(event->pos()));
 	if (!child)
 		return;
 
@@ -256,7 +256,7 @@ void NoteGraphWidget::wheelEvent(QWheelEvent *event)
 
 void NoteGraphWidget::mouseDoubleClickEvent(QMouseEvent *event)
 {
-	NoteLabel *child = static_cast<NoteLabel*>(childAt(event->pos()));
+	NoteLabel *child = qobject_cast<NoteLabel*>(childAt(event->pos()));
 	if (!child)
 		return;
 
@@ -280,7 +280,7 @@ void NoteGraphWidget::mouseMoveEvent(QMouseEvent *event)
 		setCursor(QCursor(Qt::ClosedHandCursor));
 		QScrollArea *scrollArea = NULL;
 		if (parentWidget() && parentWidget()->parent())
-			scrollArea = dynamic_cast<QScrollArea*>(parentWidget()->parent()->parent());
+			scrollArea = qobject_cast<QScrollArea*>(parentWidget()->parent()->parent());
 		if (scrollArea) {
 			QPoint diff = event->pos() - m_panHotSpot;
 			QScrollBar *scrollHor = scrollArea->horizontalScrollBar();
diff --git a/notelabel.cc b/notelabel.cc
index 6eb46d8..359751f 100644
--- a/notelabel.cc
+++ b/notelabel.cc
@@ -91,7 +91,7 @@ void NoteLabel::mouseMoveEvent(QMouseEvent *event)
 {
 	QToolTip::showText(event->globalPos(), toolTip(), this);
 
-	NoteGraphWidget* ngw = dynamic_cast<NoteGraphWidget*>(parent());
+	NoteGraphWidget* ngw = qobject_cast<NoteGraphWidget*>(parent());
 	if (m_resizing != 0) {
 		// Resizing
 		if (m_resizing < 0)
diff --git a/notelabel.hh b/notelabel.hh
index 44c7eac..b36e0d0 100644
--- a/notelabel.hh
+++ b/notelabel.hh
@@ -5,6 +5,8 @@
 
 class NoteLabel: public QLabel
 {
+	Q_OBJECT
+
 public:
 	static const int resize_margin;
 	static const int min_width;