1 files changed, 115 insertions, 0 deletions
diff --git a/kmines/kzoommainwindow.cpp b/kmines/kzoommainwindow.cpp
new file mode 100644
index 00000000..115d5175
--- /dev/null
+++ b/kmines/kzoommainwindow.cpp
@@ -0,0 +1,115 @@
+/*
+    This file is part of the KDE games library
+    Copyright (C) 2004 Nicolas Hadacek (hadacek@kde.org)
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2 as published by the Free Software Foundation.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "kzoommainwindow.h"
+#include "kzoommainwindow.moc"
+
+#include <kaction.h>
+#include <kstdaction.h>
+#include <kmenubar.h>
+#include <kcmenumngr.h>
+
+KZoomMainWindow::KZoomMainWindow(uint min, uint max, uint step, const char *name)
+  : KMainWindow(0, name), _zoomStep(step), _minZoom(min), _maxZoom(max)
+{
+  installEventFilter(this);
+  
+  _zoomInAction = KStdAction::zoomIn(this, SLOT(zoomIn()), actionCollection());
+  _zoomOutAction =
+    KStdAction::zoomOut(this, SLOT(zoomOut()), actionCollection());
+  _menu =
+    KStdAction::showMenubar(this, SLOT(toggleMenubar()), actionCollection());
+}
+
+void KZoomMainWindow::init(const char *popupName)
+{
+  // zoom
+  setZoom(readZoomSetting());
+
+  // menubar
+  _menu->setChecked( menubarVisibleSetting() );  
+  toggleMenubar();
+  
+  // context popup
+  if (popupName) {
+    QPopupMenu *popup =
+      static_cast<QPopupMenu *>(factory()->container(popupName, this));
+    Q_ASSERT(popup);
+    if (popup) KContextMenuManager::insert(this, popup);
+  }
+}
+
+void KZoomMainWindow::addWidget(QWidget *widget)
+{
+  widget->adjustSize();
+  QWidget *tlw = widget->topLevelWidget();
+  KZoomMainWindow *zm = 
+    static_cast<KZoomMainWindow *>(tlw->qt_cast("KZoomMainWindow"));
+  Q_ASSERT(zm);
+  zm->_widgets.append(widget);
+  connect(widget, SIGNAL(destroyed()), zm, SLOT(widgetDestroyed()));
+}
+
+void KZoomMainWindow::widgetDestroyed()
+{
+  _widgets.remove(static_cast<const QWidget *>(sender()));
+}
+
+bool KZoomMainWindow::eventFilter(QObject *o, QEvent *e)
+{
+  if ( e->type()==QEvent::LayoutHint )
+    setFixedSize(minimumSize()); // because K/QMainWindow
+                                 // does not manage fixed central widget
+                                 // with hidden menubar...
+  return KMainWindow::eventFilter(o, e);
+}
+
+void KZoomMainWindow::setZoom(uint zoom)
+{
+  _zoom = zoom;
+  writeZoomSetting(_zoom);
+  QPtrListIterator<QWidget> it(_widgets);
+  for (; it.current(); ++it)
+    (*it)->adjustSize();; 
+  _zoomOutAction->setEnabled( _zoom>_minZoom );
+  _zoomInAction->setEnabled( _zoom<_maxZoom );
+}
+
+void KZoomMainWindow::zoomIn()
+{
+  setZoom(_zoom + _zoomStep);
+}
+
+void KZoomMainWindow::zoomOut()
+{
+  Q_ASSERT( _zoom>=_zoomStep );
+  setZoom(_zoom - _zoomStep);
+}
+
+void KZoomMainWindow::toggleMenubar()
+{
+  if ( _menu->isChecked() ) menuBar()->show();
+  else menuBar()->hide();
+}
+
+bool KZoomMainWindow::queryExit()
+{
+  writeMenubarVisibleSetting(_menu->isChecked());
+  return KMainWindow::queryExit();
+}