src init

1 files changed, 49 insertions, 0 deletions

diff --git a/src/elidedlabel.cpp b/src/elidedlabel.cpp
new file mode 100644
index 0000000..6c14af4
--- /dev/null
+++ b/src/elidedlabel.cpp
@@ -0,0 +1,49 @@
+#include "elidedlabel.h"
+
+#include <QDebug>
+#include <QPainter>
+#include <QResizeEvent>
+#include <QStyle>
+
+ElidedLabel::ElidedLabel(QWidget* parent, Qt::WindowFlags f)
+    : QLabel(parent, f), m_elide_mode(Qt::ElideRight) {
+    setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);
+}
+
+ElidedLabel::ElidedLabel(const QString& txt, QWidget* parent, Qt::WindowFlags f)
+    : QLabel(txt, parent, f), m_elide_mode(Qt::ElideRight) {
+    setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);
+}
+
+ElidedLabel::ElidedLabel(const QString& txt, Qt::TextElideMode elideMode, QWidget* parent, Qt::WindowFlags f)
+    : QLabel(txt, parent, f), 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);
+    }
+}