move to my github.

1 files changed, 84 insertions, 0 deletions

diff --git a/src/ui/overlayWidget.cpp b/src/ui/overlayWidget.cpp
new file mode 100644
index 0000000..74f0659
--- /dev/null
+++ b/src/ui/overlayWidget.cpp
@@ -0,0 +1,84 @@
+/***************************************************************************
+ *   fqterm, a terminal emulator for both BBS and *nix.                    *
+ *   Copyright (C) 2008 fqterm development group.                          *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
+ ***************************************************************************/
+
+#include <QPoint>
+#include <QFrame>
+#include <QResizeEvent>
+#include <QEvent>
+
+#include "overlayWidget.h"
+
+namespace FQTerm {
+
+OverlayWidget::OverlayWidget(QWidget *parent, QWidget *anchor)
+  : QFrame(parent->parentWidget()->parentWidget()),
+    anchor_(anchor),
+    parent_(parent) {
+  parent->installEventFilter(this);
+
+  hide();
+}
+
+void OverlayWidget::reposition() {
+  setMaximumSize(parentWidget()->size());
+  adjustSize();
+
+  // p is in the alignWidget's coordinates
+  QPoint p;
+
+  p.setX(anchor_->width() - width());
+  p.setY(-height());
+
+  // Position in the toplevelwidget's coordinates
+  QPoint pTopLevel = anchor_->mapTo(topLevelWidget(), p);
+
+  // Position in the widget's parentWidget coordinates
+  QPoint pParent = parentWidget()->mapFrom(topLevelWidget(), pTopLevel);
+  // keep it on the screen
+  if (pParent.x() < 0) {
+    pParent.rx() = 0;
+  }
+
+  // Move 'this' to that position.
+  move(pParent);
+}
+
+bool OverlayWidget::eventFilter(QObject *o, QEvent *e) {
+  if (e->type() == QEvent::Move || e->type() == QEvent::Resize) {
+    reposition();
+  }
+
+  return QFrame::eventFilter(o, e);
+}
+
+void OverlayWidget::resizeEvent(QResizeEvent *ev) {
+  reposition();
+  QFrame::resizeEvent(ev);
+}
+
+bool OverlayWidget::event(QEvent *e) {
+  if (e->type() == QEvent::ChildAdded) {
+    adjustSize();
+  }
+
+  return QFrame::event(e);
+}
+
+}