1 files changed, 66 insertions, 0 deletions
diff --git a/kviewshell/selection.cpp b/kviewshell/selection.cpp
new file mode 100644
index 00000000..be288fe0
--- /dev/null
+++ b/kviewshell/selection.cpp
@@ -0,0 +1,66 @@
+//
+// selection.cpp
+//
+// Part of KDVI - A previewer for TeX DVI files.
+//
+// (C) 2001--2004 Stefan Kebekus
+// Distributed under the GPL
+
+#include <config.h>
+
+#include <qapplication.h>
+#include <qclipboard.h>
+
+#include "selection.h"
+
+TextSelection::TextSelection()
+  : page(PageNumber::invalidPage),
+    selectedText(QString::null)
+{}
+
+
+void TextSelection::set(const PageNumber& pageNr, Q_INT32 start, Q_INT32 end, const QString& text)
+{
+  page              = pageNr;
+  selectedTextStart = start;
+  selectedTextEnd   = end;
+  if (page != 0)
+    selectedText = text;
+  else
+    selectedText = QString::null;
+
+  if (page != 0) {
+    QApplication::clipboard()->setSelectionMode(true);
+    QApplication::clipboard()->setText(selectedText);
+  }
+}
+
+
+bool TextSelection::operator== (const TextSelection& s) const
+{
+  // We don't check if the strings are equal because for corretly constructed selection objects this is always
+  // the case if the following condition holds.
+  return (page == s.page && selectedTextStart == s.selectedTextStart && selectedTextEnd == s.selectedTextEnd);
+}
+
+
+bool TextSelection::operator!= (const TextSelection& s) const
+{
+  return !(*this == s);
+}
+
+
+void TextSelection::copyText() const
+{
+  if (!isEmpty()) {
+    QApplication::clipboard()->setSelectionMode(false);
+    QApplication::clipboard()->setText(selectedText);
+  }
+}
+
+
+void TextSelection::clear()
+{
+  set(0, -1, -1, QString::null);
+}
+