ChannelListWidget can be resized now

ChannelListWidget.cpp

 #include "ChannelListWidget.h"
 #include <QMouseEvent>
 #include <Windows.h>
-#include <QSizeGrip>
+#include <qboxlayout.h>
 
-ChannelTree::ChannelTree(QWidget *parent)
+ChannelTree::ChannelTree(ChannelListWidget * widget, QWidget *parent)
 	: QTreeWidget(parent)
 {
-	m_parent = parent;
+	m_parent = widget;
 
 	setHeaderHidden(true);
 	setExpandsOnDoubleClick(false);
 	setStyleSheet("padding:2px;border-radius:5px;border-style:solid;border-width:1px;border-color:rgb(100,100,100); background-color:rgba(50,50,50,150); color:rgb(255,255,255);");
+	setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
+
 }
 
 ChannelTree::~ChannelTree()
@@ -51,18 +53,35 @@ ChannelListWidget::ChannelListWidget(QWidget *parent)
 {
 	setAttribute(Qt::WA_TranslucentBackground);
 	setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::SplashScreen);
-
 	move(320, 200);
+
+	QVBoxLayout* layout = new QVBoxLayout(this);
+	layout->setMargin(0);
+	layout->setSpacing(0);
+
 	m_child = new ChannelTree(this);
+	layout->addWidget(m_child);
+
+	m_grip = new QSizeGrip(this);
+	layout->addWidget(m_grip, 0, Qt::AlignBottom | Qt::AlignRight);
+
 	show();
 }
 
 ChannelListWidget::~ChannelListWidget()
 {
-	m_child->deleteLater();
+	delete m_child;
+	delete m_grip;
 }
 
 QTreeWidget * ChannelListWidget::getTree()
 {
 	return (QTreeWidget*)m_child;
 }
+
+void ChannelListWidget::resizeEvent(QResizeEvent *event)
+{
+	QWidget::resizeEvent(event);
+
+	m_child->resize(size());
+}

ChannelListWidget.h

@@ -2,13 +2,16 @@
 #include <QWidget>
 #include <QPoint>
 #include <QTreeWidget>
+#include <QSizeGrip>
+
+class ChannelListWidget;
 
 class ChannelTree : public QTreeWidget
 {
 	Q_OBJECT
 
 public:
-	explicit ChannelTree(QWidget *parent);
+	explicit ChannelTree(ChannelListWidget * widget, QWidget *parent = NULL);
 	~ChannelTree();
 
 protected:
@@ -35,6 +38,10 @@ public:
 
 private:
 	ChannelTree *m_child;
+	QSizeGrip *m_grip;
+
+protected:
+	virtual void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
 
 public:
 

overlaycontroller.cpp

@@ -126,7 +126,7 @@ void OverlayController::addChatLine(QString message)
 		deleteChatLine(m_msgLines.last());
 
 	// hide after time
-	QTimer::singleShot(TIMEOUT, [=] {deleteChatLine(w);});
+	QTimer::singleShot(TIMEOUT, [=]() {deleteChatLine(w);});
 }
 
 void OverlayController::addSpeaker(QString name)

overlaycontroller.h

@@ -36,10 +36,8 @@ private:
 	QVector<QWidget*> m_msgLines;
 	ChannelListWidget* m_tree;
 
-private:
-	void deleteChatLine(QWidget* line);
-
 private slots:
+	void deleteChatLine(QWidget* line);
 	void treeItemClicked(QTreeWidgetItem * item, int column);
 
 public: