From 1097d65959e0ac65c2548cdba90faa0314c2b26a Mon Sep 17 00:00:00 2001
From: Nick D'Ademo <nickdademo@gmail.com>
Date: Fri, 9 Sep 2022 09:34:45 +0800
Subject: [PATCH] fix elision for vertical eliding label.

---
 src/ElidingLabel.cpp | 34 ++++++++++++++++++++++++++++++----
 src/ElidingLabel.h   |  5 +++++
 2 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/src/ElidingLabel.cpp b/src/ElidingLabel.cpp
index ee75313..403e24d 100644
--- a/src/ElidingLabel.cpp
+++ b/src/ElidingLabel.cpp
@@ -118,7 +118,7 @@ Qt::TextElideMode CElidingLabel::elideMode() const
 void CElidingLabel::setElideMode(Qt::TextElideMode mode)
 {
 	d->ElideMode = mode;
-	d->elideText(size().width());
+	d->elideText(availableWidthForText());
 }
 
 //============================================================================
@@ -155,12 +155,26 @@ void CElidingLabel::resizeEvent(QResizeEvent *event)
 {
 	if (!d->isModeElideNone())
 	{
-		d->elideText(event->size().width());
+		d->elideText(availableWidthForText(event));
 	}
     Super::resizeEvent(event);
 }
 
 
+//============================================================================
+int CElidingLabel::availableWidthForText() const
+{
+	return size().width();
+}
+
+
+//============================================================================
+int CElidingLabel::availableWidthForText(QResizeEvent* event) const
+{
+	return event->size().width();
+}
+
+
 //============================================================================
 QSize CElidingLabel::minimumSizeHint() const
 {
@@ -216,7 +230,7 @@ void CElidingLabel::setText(const QString &text)
 	else
 	{
 		internal::setToolTip(this, text);
-		d->elideText(this->size().width());
+		d->elideText(availableWidthForText());
 	}
 }
 
@@ -238,7 +252,7 @@ void CVerticalElidingLabel::paintEvent(QPaintEvent* event)
 {
 	QPainter painter(this);
 	painter.rotate(90);
-	painter.drawText(0,0, text());
+	painter.drawText(0,0, QLabel::text());
 }
 
 //============================================================================
@@ -254,6 +268,18 @@ QSize CVerticalElidingLabel::minimumSizeHint() const
 	QSize s = CElidingLabel::sizeHint();
 	return QSize(s.height(), s.width());
 }
+
+//============================================================================
+int CVerticalElidingLabel::availableWidthForText() const
+{
+	return size().height();
+}
+
+//============================================================================
+int CVerticalElidingLabel::availableWidthForText(QResizeEvent* event) const
+{
+	return event->size().height();
+}
 } // namespace QtLabb
 
 //---------------------------------------------------------------------------
diff --git a/src/ElidingLabel.h b/src/ElidingLabel.h
index 8dbf051..dcb1163 100644
--- a/src/ElidingLabel.h
+++ b/src/ElidingLabel.h
@@ -55,6 +55,9 @@ protected:
     virtual void resizeEvent( QResizeEvent *event ) override;
     virtual void mouseDoubleClickEvent( QMouseEvent *ev ) override;
 
+	virtual int availableWidthForText() const;
+	virtual int availableWidthForText(QResizeEvent* event) const;
+
 public:
     using Super = QLabel;
 
@@ -109,6 +112,8 @@ protected:
 	void paintEvent(QPaintEvent* event) override;
 	QSize sizeHint() const override;
 	QSize minimumSizeHint() const override;
+	int availableWidthForText() const override;
+	int availableWidthForText(QResizeEvent* event) const override;
 
 public:
 	CVerticalElidingLabel(QWidget* parent = 0, Qt::WindowFlags f = Qt::WindowFlags ());