Added KDE3 version of Tellico

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/tellico@1097620 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 104 insertions, 0 deletions

diff --git a/src/gui/overlaywidget.cpp b/src/gui/overlaywidget.cpp
new file mode 100644
index 0000000..6214ca8
--- /dev/null
+++ b/src/gui/overlaywidget.cpp
@@ -0,0 +1,104 @@
+/***************************************************************************
+    copyright            : (C) 2005-2006 by Robby Stephenson
+    email                : robby@periapsis.org
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of version 2 of the GNU General Public License as  *
+ *   published by the Free Software Foundation;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "overlaywidget.h"
+
+#include <qlayout.h>
+
+using Tellico::GUI::OverlayWidget;
+
+OverlayWidget::OverlayWidget(QWidget* parent, QWidget* anchor) : QFrame(parent)
+    , m_anchor(anchor)
+    , m_corner(TopRight) {
+  m_anchor->installEventFilter(this);
+  reposition();
+  hide();
+}
+
+void OverlayWidget::setCorner(Corner corner_) {
+  if(corner_ == m_corner) {
+    return;
+  }
+  m_corner = corner_;
+  reposition();
+}
+
+void OverlayWidget::addWidget(QWidget* widget_) {
+  layout()->add(widget_);
+  adjustSize();
+}
+
+void OverlayWidget::reposition() {
+  if(!m_anchor) {
+    return;
+  }
+
+  setMaximumSize(parentWidget()->size());
+  adjustSize();
+
+  QPoint p;
+
+  switch(m_corner) {
+    case BottomLeft:
+      p.setX(0);
+      p.setY(m_anchor->height());
+      break;
+
+    case BottomRight:
+      p.setX(m_anchor->width() - width());
+      p.setY(m_anchor->height());
+      break;
+
+    case TopLeft:
+      p.setX(0);
+      p.setY(-1 * height());
+      break;
+
+    case TopRight:
+      p.setX(m_anchor->width() - width());
+      p.setY(-1 * height());
+  }
+
+  // Position in the toplevelwidget's coordinates
+  QPoint pTopLevel = m_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(pParent);
+}
+
+bool OverlayWidget::eventFilter(QObject* object_, QEvent* event_) {
+  if(object_ == m_anchor && (event_->type() == QEvent::Move || event_->type() == QEvent::Resize)) {
+    reposition();
+  }
+
+  return QFrame::eventFilter(object_, event_);
+}
+
+void OverlayWidget::resizeEvent(QResizeEvent* event_) {
+  reposition();
+  QFrame::resizeEvent(event_);
+}
+
+bool OverlayWidget::event(QEvent* event_) {
+  if(event_->type() == QEvent::ChildInserted) {
+    adjustSize();
+  }
+
+  return QFrame::event(event_);
+}
+
+#include "overlaywidget.moc"