1 | /* |
2 | Copyright (c) 2009 Stephen Kelly <steveire@gmail.com> |
3 | |
4 | This library is free software; you can redistribute it and/or modify it |
5 | under the terms of the GNU Library General Public License as published by |
6 | the Free Software Foundation; either version 2 of the License, or (at your |
7 | option) any later version. |
8 | |
9 | This library is distributed in the hope that it will be useful, but WITHOUT |
10 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
11 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
12 | License for more details. |
13 | |
14 | You should have received a copy of the GNU Library General Public License |
15 | along with this library; see the file COPYING.LIB. If not, write to the |
16 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | 02110-1301, USA. |
18 | */ |
19 | |
20 | #ifndef AKONADI_DRAGDROPMANAGER_P_H |
21 | #define AKONADI_DRAGDROPMANAGER_P_H |
22 | |
23 | #include <QAbstractItemView> |
24 | |
25 | #include "akonadi/collection.h" |
26 | |
27 | namespace Akonadi |
28 | { |
29 | |
30 | class DragDropManager |
31 | { |
32 | public: |
33 | explicit DragDropManager(QAbstractItemView *view); |
34 | |
35 | /** |
36 | * @returns True if the drop described in @p event is allowed. |
37 | */ |
38 | bool dropAllowed(QDragMoveEvent *event) const; |
39 | |
40 | /** |
41 | * Process an attempted drop event. |
42 | * |
43 | * Attempts to show a popup menu with possible actions for @p event. |
44 | * |
45 | * @returns True if the event should be further processed, and false otherwise. |
46 | */ |
47 | bool processDropEvent(QDropEvent *event, bool &, bool dropOnItem = true); |
48 | |
49 | /** |
50 | * Starts a drag if possible and sets the appropriate supported actions to allow moves. |
51 | * |
52 | * Also sets the pixmap for hte drag to something appropriately small, overriding the Qt |
53 | * behaviour of creating a painting of all selected rows when dragging. |
54 | */ |
55 | void startDrag(Qt::DropActions supportedActions); |
56 | |
57 | /** |
58 | * Sets whether to @p show the drop action menu on drop operation. |
59 | */ |
60 | void (bool show); |
61 | |
62 | /** |
63 | * Returns whether the drop action menu is shown on drop operation. |
64 | */ |
65 | bool () const; |
66 | |
67 | bool isManualSortingActive() const; |
68 | |
69 | /** |
70 | * Set true if we automatic sorting |
71 | */ |
72 | void setManualSortingActive(bool active); |
73 | |
74 | private: |
75 | Collection currentDropTarget(QDropEvent *event) const; |
76 | |
77 | bool hasAncestor(const QModelIndex &index, Collection::Id parentId) const; |
78 | bool ; |
79 | bool mIsManualSortingActive; |
80 | QAbstractItemView *m_view; |
81 | }; |
82 | |
83 | } |
84 | |
85 | #endif |
86 | |