1 files changed, 104 insertions, 0 deletions
diff --git a/kig/modes/dragrectmode.h b/kig/modes/dragrectmode.h
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+// Copyright (C)  2002  Dominique Devriese <devriese@kde.org>
+
+// 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 Street, Fifth Floor, Boston, MA
+// 02110-1301, USA.
+
+
+#ifndef KIG_MODES_DRAGRECTMODE_H
+#define KIG_MODES_DRAGRECTMODE_H
+
+#include "mode.h"
+
+#include "../misc/rect.h"
+
+#include <qpoint.h>
+#include <vector>
+
+class ObjectHolder;
+
+/**
+ * DragRectMode is a mode that provides a rect for selecting the
+ * objects inside it.  Here's an example of how to use it
+ * \code
+ * DragRectMode d( e->pos(), document, widget );
+ * mDoc.runMode( &d );
+ * Objects sel = d.ret();
+ * \endcode
+ */
+class DragRectMode
+  : public KigMode
+{
+  QPoint mstart;
+  std::vector<ObjectHolder*> mret;
+  Rect mrect;
+  bool mnc;
+  bool mstartselected;
+  bool mcancelled;
+private:
+  void clicked( const QPoint& p, KigWidget& w );
+  void clicked( const QMouseEvent* e, KigWidget& w );
+  void released( const QPoint& p, KigWidget& w, bool nc );
+  void released( QMouseEvent* e, KigWidget& w );
+  void moved( const QPoint& p, KigWidget& w );
+  void moved( QMouseEvent*, KigWidget& w );
+
+  void leftClicked( QMouseEvent*, KigWidget* );
+  void leftMouseMoved( QMouseEvent*, KigWidget* );
+  void leftReleased( QMouseEvent*, KigWidget* );
+  void midClicked( QMouseEvent*, KigWidget* );
+  void midMouseMoved( QMouseEvent*, KigWidget* );
+  void midReleased( QMouseEvent*, KigWidget* );
+  void rightClicked( QMouseEvent*, KigWidget* );
+  void rightMouseMoved( QMouseEvent*, KigWidget* );
+  void rightReleased( QMouseEvent*, KigWidget* );
+  void mouseMoved( QMouseEvent*, KigWidget* );
+
+  void cancelConstruction();
+
+  void enableActions();
+
+public:
+  DragRectMode( const QPoint& start, KigPart& d, KigWidget& w );
+  DragRectMode( KigPart& d, KigWidget& w );
+  ~DragRectMode();
+
+  /**
+   * this returns the selected objects..
+   */
+  std::vector<ObjectHolder*> ret() const;
+
+  /**
+   * this returns the selected rect..
+   */
+  Rect rect() const;
+
+  /**
+   * this returns false if the control or shift button were pressed
+   * when the mouse button was released, and true otherwise.  This is
+   * because the user expects us to not clear the selection before
+   * adding the newly selected objects if (s)he pressed control or
+   * shift..
+   */
+  bool needClear() const;
+
+  /**
+   * whether the user cancelled the rect mode..  If this returns true,
+   * all the other return data above will be in undefined state, so
+   * first check this function's result..
+   */
+  bool cancelled() const;
+};
+
+#endif