Some string(widget->text()) fixes. Weirdness

[lyx.git] / src / frontends / qt2 / QWorkArea.C

diff --git a/src/frontends/qt2/QWorkArea.C b/src/frontends/qt2/QWorkArea.C
index 15af3200e361bf0bd0586f151b2f4b0ed9a52a90..3c3d8197c3be386d8974593755d93bd68c6b55b2 100644 (file)
--- a/src/frontends/qt2/QWorkArea.C
+++ b/src/frontends/qt2/QWorkArea.C
@@ -31,6 +31,10 @@
 #include <qlayout.h>
 #include <qclipboard.h>
 
+#ifdef Q_WS_X11
+#include <X11/Xlib.h>
+#endif
+
 #include <cmath>
 #include <cctype>
 
@@ -79,15 +83,52 @@ void QWorkArea::setScrollbarParams(int h, int pos, int line_h)
        scrollbar_->setPageStep(height());
 }
 
+namespace {
+QWorkArea const * wa_ptr = 0;
+}
+
+#ifdef Q_WS_X11
+bool lyxX11EventFilter(XEvent * xev)
+{
+       switch (xev->type) {
+       case SelectionRequest:
+               lyxerr[Debug::GUI] << "X requested selection." << endl;
+               if (wa_ptr)
+                       wa_ptr->selectionRequested();
+               break;
+       case SelectionClear:
+               lyxerr[Debug::GUI] << "Lost selection." << endl;
+               if (wa_ptr)
+                       wa_ptr->selectionLost();
+               break;
+       }
+       return false;
+}
+#endif
 
-void QWorkArea::haveSelection(bool) const
+void QWorkArea::haveSelection(bool own) const
 {
-       // not possible in Qt !
+       wa_ptr = this;
+
+#if QT_VERSION >= 300
+       if (!QApplication::clipboard()->supportsSelection())
+               return;
+
+       if (own) {
+               QApplication::clipboard()->setSelectionMode(true);
+               QApplication::clipboard()->setText(QString());
+       }
+       // We don't need to do anything if own = false, as this case is
+       // handled by QT.
+#endif
 }
 
 
 string const QWorkArea::getClipboard() const
 {
+#if QT_VERSION >= 300
+       QApplication::clipboard()->setSelectionMode(true);
+#endif
        QString str = QApplication::clipboard()->text();
        if (str.isNull())
                return string();
@@ -97,5 +138,8 @@ string const QWorkArea::getClipboard() const
 
 void QWorkArea::putClipboard(string const & str) const
 {
+#if QT_VERSION >= 300
+       QApplication::clipboard()->setSelectionMode(true);
+#endif
        QApplication::clipboard()->setText(str.c_str());
 }