1 files changed, 51 insertions, 0 deletions
diff --git a/src/copyeventfilter.cpp b/src/copyeventfilter.cpp
new file mode 100644
index 00000000..223561b0
--- /dev/null
+++ b/src/copyeventfilter.cpp
@@ -0,0 +1,51 @@
+#include "copyeventfilter.h"
+
+#include <QClipboard>
+#include <QGuiApplication>
+#include <QKeyEvent>
+
+CopyEventFilter::CopyEventFilter(QAbstractItemView* view, int role) :
+  CopyEventFilter(view, [=](auto& index) { return index.data(role).toString(); })
+{
+
+}
+
+CopyEventFilter::CopyEventFilter(
+  QAbstractItemView* view, std::function<QString(const QModelIndex&)> format) :
+  QObject(view), m_view(view), m_format(format)
+{
+
+}
+
+void CopyEventFilter::copySelection() const
+{
+  if (!m_view->selectionModel()->hasSelection()) {
+    return;
+  }
+
+  // sort to reflect the visual order
+  QModelIndexList selectedRows = m_view->selectionModel()->selectedRows();
+  std::sort(selectedRows.begin(), selectedRows.end(), [=](const auto& lidx, const auto& ridx) {
+    return m_view->visualRect(lidx).top() < m_view->visualRect(ridx).top();
+    });
+
+  QStringList rows;
+  for (auto& idx : selectedRows) {
+    rows.append(m_format(idx));
+  }
+
+  QGuiApplication::clipboard()->setText(rows.join("\n"));
+}
+
+bool CopyEventFilter::eventFilter(QObject* sender, QEvent* event)
+{
+  if (sender == m_view && event->type() == QEvent::KeyPress) {
+    QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
+    if (keyEvent->modifiers() == Qt::ControlModifier
+      && keyEvent->key() == Qt::Key_C) {
+      copySelection();
+      return true;
+    }
+  }
+  return QObject::eventFilter(sender, event);
+}