1 | /*************************************************************************** |
2 | * Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com> * |
3 | * * |
4 | * This program is free software; you can redistribute it and/or modify * |
5 | * it under the terms of the GNU General Public License as published by * |
6 | * the Free Software Foundation; either version 2 of the License, or * |
7 | * (at your option) any later version. * |
8 | * * |
9 | * This program is distributed in the hope that it will be useful, * |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
12 | * GNU General Public License for more details. * |
13 | * * |
14 | * You should have received a copy of the GNU General Public License * |
15 | * along with this program; if not, write to the * |
16 | * Free Software Foundation, Inc., * |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * |
18 | ***************************************************************************/ |
19 | |
20 | #ifndef KITEMLISTGROUPHEADER_H |
21 | #define KITEMLISTGROUPHEADER_H |
22 | |
23 | #include <libdolphin_export.h> |
24 | |
25 | #include <kitemviews/kitemliststyleoption.h> |
26 | |
27 | #include <QByteArray> |
28 | #include <QGraphicsWidget> |
29 | #include <QVariant> |
30 | |
31 | class KItemListView; |
32 | |
33 | /** |
34 | * @brief Base class for group headers. |
35 | * |
36 | * Draws a default header background. Derived classes must reimplement |
37 | * the method paint() and draw the role within the given roleBounds() with |
38 | * the color roleColor(). |
39 | */ |
40 | class LIBDOLPHINPRIVATE_EXPORT : public QGraphicsWidget |
41 | { |
42 | Q_OBJECT |
43 | |
44 | public: |
45 | (QGraphicsWidget* parent = 0); |
46 | virtual (); |
47 | |
48 | void (const QByteArray& role); |
49 | QByteArray () const; |
50 | |
51 | void (const QVariant& data); |
52 | QVariant () const; |
53 | |
54 | void (const KItemListStyleOption& option); |
55 | const KItemListStyleOption& () const; |
56 | |
57 | /** |
58 | * Sets the scroll orientation that is used by the KItemListView. |
59 | * This allows the group header to use a modified look dependent |
60 | * on the orientation. |
61 | */ |
62 | void (Qt::Orientation orientation); |
63 | Qt::Orientation () const; |
64 | |
65 | void (int index); |
66 | int () const; |
67 | |
68 | virtual void (QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0); |
69 | |
70 | protected: |
71 | virtual void (QPainter* painter, const QRectF& roleBounds, const QColor& color) = 0; |
72 | virtual void (QPainter* painter, const QColor& color) = 0; |
73 | |
74 | /** |
75 | * Is called after the role has been changed and allows the derived class |
76 | * to react on this change. |
77 | */ |
78 | virtual void (const QByteArray& current, const QByteArray& previous); |
79 | |
80 | /** |
81 | * Is called after the role has been changed and allows the derived class |
82 | * to react on this change. |
83 | */ |
84 | virtual void (const QVariant& current, const QVariant& previous); |
85 | |
86 | /** |
87 | * Is called after the style option has been changed and allows the derived class |
88 | * to react on this change. |
89 | */ |
90 | virtual void (const KItemListStyleOption& current, const KItemListStyleOption& previous); |
91 | |
92 | /** |
93 | * Is called after the scroll orientation has been changed and allows the derived class |
94 | * to react on this change. |
95 | */ |
96 | virtual void (Qt::Orientation current, Qt::Orientation previous); |
97 | |
98 | /** |
99 | * Is called after the item index has been changed and allows the derived class to react on |
100 | * this change. |
101 | */ |
102 | virtual void (int current, int previous); |
103 | |
104 | /** @reimp */ |
105 | virtual void (QGraphicsSceneResizeEvent* event); |
106 | |
107 | virtual QPalette::ColorRole () const; |
108 | virtual QPalette::ColorRole () const; |
109 | |
110 | private: |
111 | void (); |
112 | |
113 | static QColor (const QColor& c1, const QColor& c2, int c1Percent = 50); |
114 | |
115 | QColor () const; |
116 | QColor () const; |
117 | |
118 | private: |
119 | bool ; |
120 | QByteArray ; |
121 | QVariant ; |
122 | KItemListStyleOption ; |
123 | Qt::Orientation ; |
124 | int ; |
125 | |
126 | QColor ; |
127 | QColor ; |
128 | QRectF ; |
129 | }; |
130 | #endif |
131 | |
132 | |
133 | |