1 | /***************************************************************************** |
2 | * Copyright (C) 2006-2010 by Peter Penz <peter.penz@gmx.at> * |
3 | * Copyright (C) 2006 by Aaron J. Seigo <aseigo@kde.org> * |
4 | * * |
5 | * This library is free software; you can redistribute it and/or * |
6 | * modify it under the terms of the GNU Library General Public * |
7 | * License as published by the Free Software Foundation; either * |
8 | * version 2 of the License, or (at your option) any later version. * |
9 | * * |
10 | * This library is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
13 | * Library General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU Library General Public License * |
16 | * along with this library; see the file COPYING.LIB. If not, write to * |
17 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * |
18 | * Boston, MA 02110-1301, USA. * |
19 | *****************************************************************************/ |
20 | |
21 | #ifndef KURLNAVIGATORBUTTONBASE_P_H |
22 | #define KURLNAVIGATORBUTTONBASE_P_H |
23 | |
24 | #include <QtGui/QColor> |
25 | #include <QtGui/QPushButton> |
26 | |
27 | class KUrl; |
28 | class QEvent; |
29 | |
30 | namespace KDEPrivate |
31 | { |
32 | |
33 | /** |
34 | * @brief Base class for buttons of the URL navigator. |
35 | * |
36 | * Buttons of the URL navigator offer an an active/inactive |
37 | * state and custom display hints. |
38 | */ |
39 | class KUrlNavigatorButtonBase : public QPushButton |
40 | { |
41 | Q_OBJECT |
42 | |
43 | public: |
44 | explicit KUrlNavigatorButtonBase(QWidget* parent); |
45 | virtual ~KUrlNavigatorButtonBase(); |
46 | |
47 | /** |
48 | * When having several URL navigator instances, it is important |
49 | * to provide a visual difference to indicate which URL navigator |
50 | * is active (usecase: split view in Dolphin). The activation state |
51 | * is independent from the the focus or hover state. |
52 | * Per default the URL navigator button is marked as active. |
53 | */ |
54 | void setActive(bool active); |
55 | bool isActive() const; |
56 | |
57 | protected: |
58 | enum DisplayHint { |
59 | EnteredHint = 1, |
60 | DraggedHint = 2, |
61 | = 4 |
62 | }; |
63 | |
64 | enum { BorderWidth = 2 }; |
65 | |
66 | void setDisplayHintEnabled(DisplayHint hint, bool enable); |
67 | bool isDisplayHintEnabled(DisplayHint hint) const; |
68 | |
69 | virtual void focusInEvent(QFocusEvent *event); |
70 | virtual void focusOutEvent(QFocusEvent *event); |
71 | |
72 | virtual void enterEvent(QEvent* event); |
73 | virtual void leaveEvent(QEvent* event); |
74 | |
75 | void drawHoverBackground(QPainter* painter); |
76 | |
77 | /** Returns the foreground color by respecting the current display hint. */ |
78 | QColor foregroundColor() const; |
79 | |
80 | private Q_SLOTS: |
81 | /** Invokes setActive(true). */ |
82 | void activate(); |
83 | |
84 | private: |
85 | bool m_active; |
86 | int m_displayHint; |
87 | }; |
88 | |
89 | } // namespace KDEPrivate |
90 | |
91 | #endif |
92 | |