| 1 | /** @file
|
|---|
| 2 | *
|
|---|
| 3 | * VBox frontends: Qt GUI ("VirtualBox"):
|
|---|
| 4 | * VirtualBox Qt extensions: QITreeWidget class implementation
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2008 Sun Microsystems, Inc.
|
|---|
| 9 | *
|
|---|
| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 11 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 12 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 13 | * General Public License (GPL) as published by the Free Software
|
|---|
| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 17 | *
|
|---|
| 18 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 19 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 20 | * additional information or have any questions.
|
|---|
| 21 | */
|
|---|
| 22 |
|
|---|
| 23 | #ifndef __QITreeWidget_h__
|
|---|
| 24 | #define __QITreeWidget_h__
|
|---|
| 25 |
|
|---|
| 26 | #include <QTreeWidget>
|
|---|
| 27 |
|
|---|
| 28 | /*
|
|---|
| 29 | * QTreeWidget class which extends standard QTreeWidget's functionality.
|
|---|
| 30 | */
|
|---|
| 31 | class QITreeWidget: public QTreeWidget
|
|---|
| 32 | {
|
|---|
| 33 | Q_OBJECT;
|
|---|
| 34 |
|
|---|
| 35 | public:
|
|---|
| 36 |
|
|---|
| 37 | /*
|
|---|
| 38 | * There are two allowed QTreeWidgetItem types which may be used with
|
|---|
| 39 | * QITreeWidget: basic and complex.
|
|---|
| 40 | * Complex type used in every place where the particular item have to
|
|---|
| 41 | * be separately repainted with it's own content.
|
|---|
| 42 | * Basic are used in all other places.
|
|---|
| 43 | */
|
|---|
| 44 | enum
|
|---|
| 45 | {
|
|---|
| 46 | BasicItemType = QTreeWidgetItem::UserType + 1,
|
|---|
| 47 | ComplexItemType = QTreeWidgetItem::UserType + 2
|
|---|
| 48 | };
|
|---|
| 49 |
|
|---|
| 50 | QITreeWidget (QWidget *aParent = 0);
|
|---|
| 51 |
|
|---|
| 52 | void setSupportedDropActions (Qt::DropActions aAction);
|
|---|
| 53 |
|
|---|
| 54 | void addTopBottomMarginToItems (int aMargin);
|
|---|
| 55 |
|
|---|
| 56 | signals:
|
|---|
| 57 |
|
|---|
| 58 | void resized (const QSize &aSize, const QSize &aOldSize);
|
|---|
| 59 |
|
|---|
| 60 | protected:
|
|---|
| 61 |
|
|---|
| 62 | virtual Qt::DropActions supportedDropActions () const;
|
|---|
| 63 |
|
|---|
| 64 | void paintEvent (QPaintEvent *);
|
|---|
| 65 | void resizeEvent (QResizeEvent *);
|
|---|
| 66 |
|
|---|
| 67 | /* Protected member vars */
|
|---|
| 68 | Qt::DropActions mSupportedDropActions;
|
|---|
| 69 | };
|
|---|
| 70 |
|
|---|
| 71 | /*
|
|---|
| 72 | * Interface for more complex items which requires special repainting
|
|---|
| 73 | * routine inside QITreeWidget's viewport.
|
|---|
| 74 | */
|
|---|
| 75 | class ComplexTreeWidgetItem : public QTreeWidgetItem
|
|---|
| 76 | {
|
|---|
| 77 | public:
|
|---|
| 78 |
|
|---|
| 79 | ComplexTreeWidgetItem (QTreeWidget *aParent)
|
|---|
| 80 | : QTreeWidgetItem (aParent, QITreeWidget::ComplexItemType) {}
|
|---|
| 81 |
|
|---|
| 82 | virtual void paintItem (QPainter *aPainter) = 0;
|
|---|
| 83 | };
|
|---|
| 84 |
|
|---|
| 85 | #endif /* __QITreeWidget_h__ */
|
|---|
| 86 |
|
|---|
