1 | /* |
2 | Copyright (c) 2008 Volker Krause <vkrause@kde.org> |
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_ERROROVERLAY_P_H |
21 | #define AKONADI_ERROROVERLAY_P_H |
22 | |
23 | #include "servermanager.h" |
24 | |
25 | #include <QtCore/QPointer> |
26 | #include <QWidget> |
27 | |
28 | #include <boost/scoped_ptr.hpp> |
29 | |
30 | namespace Ui { |
31 | class ErrorOverlay; |
32 | } |
33 | |
34 | namespace Akonadi { |
35 | |
36 | /** |
37 | * @internal |
38 | * Overlay widget to block Akonadi-dependent widgets if the Akonadi server |
39 | * is unavailable. |
40 | * @todo handle initial parent == 0 case correctly, reparent later and hide as long as parent widget is 0 |
41 | * @todo fix hiding in dock widget tabs |
42 | */ |
43 | class ErrorOverlay : public QWidget |
44 | { |
45 | Q_OBJECT |
46 | public: |
47 | /** |
48 | * Create an overlay widget for @p baseWidget. |
49 | * @p baseWidget must not be null. |
50 | * @p parent must not be equal to @p baseWidget |
51 | */ |
52 | explicit ErrorOverlay(QWidget *baseWidget, QWidget *parent = 0); |
53 | ~ErrorOverlay(); |
54 | |
55 | protected: |
56 | bool eventFilter(QObject *object, QEvent *event); |
57 | |
58 | private: |
59 | void reposition(); |
60 | |
61 | private Q_SLOTS: |
62 | void startClicked(); |
63 | void quitClicked(); |
64 | void selfTestClicked(); |
65 | void serverStateChanged(Akonadi::ServerManager::State state); |
66 | |
67 | private: |
68 | QPointer<QWidget> mBaseWidget; |
69 | bool mPreviousState; |
70 | bool mOverlayActive; |
71 | bool mBaseWidgetIsParent; |
72 | boost::scoped_ptr<Ui::ErrorOverlay> ui; |
73 | }; |
74 | |
75 | } |
76 | |
77 | #endif |
78 | |