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-rw-r--r--src/widgets/elidedlabel/elidedlabel.cpp52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/widgets/elidedlabel/elidedlabel.cpp b/src/widgets/elidedlabel/elidedlabel.cpp
new file mode 100644
index 0000000..e870959
--- /dev/null
+++ b/src/widgets/elidedlabel/elidedlabel.cpp
@@ -0,0 +1,52 @@
+#include "elidedlabel.h"
+
+#include <QDebug>
+#include <QPainter>
+#include <QResizeEvent>
+#include <QStyle>
+
+ElidedLabel::ElidedLabel(QWidget *parent)
+ : QLabel(parent), m_elide_mode(Qt::ElideRight) {
+ setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);
+}
+
+ElidedLabel::ElidedLabel(const QString &txt, QWidget *parent)
+ : QLabel(txt, parent), m_elide_mode(Qt::ElideRight) {
+ setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);
+}
+
+ElidedLabel::ElidedLabel(const QString &txt, Qt::TextElideMode elideMode,
+ QWidget *parent)
+ : QLabel(txt, parent), m_elide_mode(elideMode) {
+ setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);
+}
+
+void ElidedLabel::setText(const QString &txt) {
+ QLabel::setText(txt);
+ cacheElidedText(geometry().width());
+ setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);
+}
+
+void ElidedLabel::cacheElidedText(int w) {
+ m_cached_elided_text = fontMetrics().elidedText(
+ text(), m_elide_mode, w, (buddy() == nullptr) ? 0 : Qt::TextShowMnemonic);
+}
+
+void ElidedLabel::resizeEvent(QResizeEvent *e) {
+ QLabel::resizeEvent(e);
+ cacheElidedText(e->size().width());
+}
+
+void ElidedLabel::paintEvent(QPaintEvent *e) {
+ if (m_elide_mode == Qt::ElideNone) {
+ QLabel::paintEvent(e);
+ } else {
+ QPainter p(this);
+ p.drawText(0, 0, geometry().width(), geometry().height(),
+ QStyle::visualAlignment(text().isRightToLeft() ? Qt::RightToLeft
+ : Qt::LeftToRight,
+ alignment()) |
+ ((buddy() == nullptr) ? 0 : Qt::TextShowMnemonic),
+ m_cached_elided_text);
+ }
+}