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1 /*
2  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
3  * Copyright (C) 2011 Andreas Kling <kling@webkit.org>
4  *
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "locationedit.h"
30 
31 #ifndef QT_NO_INPUTDIALOG
32 
33 static const QSize gPageIconSize(16, 16);
34 
defaultPageIcon()35 static QPixmap defaultPageIcon()
36 {
37     static QPixmap icon;
38     if (icon.isNull())
39         icon.load(":/favicon.png");
40 
41     return icon;
42 }
43 
LocationEdit(QWidget * parent)44 LocationEdit::LocationEdit(QWidget* parent)
45     : QLineEdit(parent)
46     , m_progress(0)
47 {
48     m_clearTimer.setSingleShot(true);
49     connect(&m_clearTimer, SIGNAL(timeout()), this, SLOT(reset()));
50 
51     m_pageIconLabel = new QLabel(this);
52     m_pageIconLabel->setFixedSize(gPageIconSize);
53     m_pageIconLabel->setPixmap(defaultPageIcon());
54 }
55 
setPageIcon(const QIcon & icon)56 void LocationEdit::setPageIcon(const QIcon& icon)
57 {
58     if (icon.isNull())
59         m_pageIconLabel->setPixmap(defaultPageIcon());
60     else
61         m_pageIconLabel->setPixmap(icon.pixmap(gPageIconSize));
62 }
63 
setProgress(int progress)64 void LocationEdit::setProgress(int progress)
65 {
66     m_clearTimer.stop();
67     m_progress = progress;
68     update();
69 }
70 
reset()71 void LocationEdit::reset()
72 {
73     setProgress(0);
74 }
75 
resizeEvent(QResizeEvent *)76 void LocationEdit::resizeEvent(QResizeEvent*)
77 {
78     updateInternalGeometry();
79 }
80 
updateInternalGeometry()81 void LocationEdit::updateInternalGeometry()
82 {
83     QStyleOptionFrameV3 styleOption;
84     initStyleOption(&styleOption);
85 
86     QRect textRect = style()->subElementRect(QStyle::SE_LineEditContents, &styleOption, this);
87 
88     const int spacing = 2;
89 
90     int x = textRect.x() + spacing;
91     int y = (textRect.center().y() + 1) - gPageIconSize.height() / 2;
92 
93     m_pageIconLabel->move(x, y);
94 
95     QMargins margins = textMargins();
96     margins.setLeft(m_pageIconLabel->sizeHint().width() + spacing);
97     setTextMargins(margins);
98 }
99 
paintEvent(QPaintEvent * ev)100 void LocationEdit::paintEvent(QPaintEvent* ev)
101 {
102     QColor backgroundColor = QApplication::palette().color(QPalette::Base);
103     QColor progressColor = QColor(120, 180, 240);
104     QPalette p = palette();
105 
106     if (!m_progress)
107         p.setBrush(QPalette::Base, backgroundColor);
108     else {
109         QLinearGradient gradient(0, 0, width(), 0);
110         gradient.setColorAt(0, progressColor);
111         gradient.setColorAt(((double) m_progress) / 100, progressColor);
112         if (m_progress != 100)
113             gradient.setColorAt((double) m_progress / 100 + 0.001, backgroundColor);
114         p.setBrush(QPalette::Base, gradient);
115     }
116     setPalette(p);
117 
118     QLineEdit::paintEvent(ev);
119 
120     if (m_progress == 100)
121         m_clearTimer.start(100);
122 }
123 
focusInEvent(QFocusEvent * ev)124 void LocationEdit::focusInEvent(QFocusEvent* ev)
125 {
126     QLineEdit::focusInEvent(ev);
127 #ifdef Q_WS_MAEMO_5
128     QTimer::singleShot(0, this, SLOT(selectAll()));
129 #endif
130 }
131 
132 #endif
133