1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/***************************************************************************
* Copyright (C) 2010 by Peter Penz <[email protected]> *
* Copyright (C) 2008 by Fredrik Höglund <[email protected]> *
* Copyright (C) 2012 by Mark Gaiser <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "filemetadatatooltip.h"
#include <KColorScheme>
#include <KSeparator>
// For the blurred tooltip background
#include <KWindowEffects>
#include <KStringHandler>
#include <QTextDocument>
#include <QLabel>
#include <QStyleOptionFrame>
#include <QStylePainter>
#include <QVBoxLayout>
#include <QTextLayout>
#include <QTextLine>
#ifndef HAVE_BALOO
#include <KFileMetaDataWidget>
#else
#include <Baloo/FileMetaDataWidget>
#endif
FileMetaDataToolTip::FileMetaDataToolTip(QWidget* parent) :
QWidget(parent),
m_preview(0),
m_name(0),
m_fileMetaDataWidget(0)
{
setAttribute(Qt::WA_TranslucentBackground);
setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint);
// Create widget for file preview
m_preview = new QLabel(this);
m_preview->setAlignment(Qt::AlignTop);
// Create widget for file name
m_name = new QLabel(this);
m_name->setForegroundRole(QPalette::ToolTipText);
m_name->setTextFormat(Qt::PlainText);
m_name->setAlignment(Qt::AlignHCenter);
QFont font = m_name->font();
font.setBold(true);
m_name->setFont(font);
QFontMetrics fontMetrics(font);
m_name->setMaximumWidth(fontMetrics.averageCharWidth() * 40);
// Create widget for the meta data
#ifndef HAVE_BALOO
m_fileMetaDataWidget = new KFileMetaDataWidget(this);
connect(m_fileMetaDataWidget, &KFileMetaDataWidget::metaDataRequestFinished,
this, &FileMetaDataToolTip::metaDataRequestFinished);
#else
m_fileMetaDataWidget = new Baloo::FileMetaDataWidget(this);
connect(m_fileMetaDataWidget, &Baloo::FileMetaDataWidget::metaDataRequestFinished,
this, &FileMetaDataToolTip::metaDataRequestFinished);
#endif
m_fileMetaDataWidget->setForegroundRole(QPalette::ToolTipText);
m_fileMetaDataWidget->setReadOnly(true);
QVBoxLayout* textLayout = new QVBoxLayout();
textLayout->addWidget(m_name);
textLayout->addWidget(new KSeparator());
textLayout->addWidget(m_fileMetaDataWidget);
textLayout->setAlignment(m_name, Qt::AlignCenter);
textLayout->setAlignment(m_fileMetaDataWidget, Qt::AlignLeft);
// Assure that the text-layout gets top-aligned by adding a stretch.
// Don't use textLayout->setAlignment(Qt::AlignTop) instead, as this does
// not work with the heightForWidth()-size-hint of m_fileMetaDataWidget
// (see bug #241608)
textLayout->addStretch();
QHBoxLayout* tipLayout = new QHBoxLayout(this);
tipLayout->addWidget(m_preview);
tipLayout->addSpacing(tipLayout->margin());
tipLayout->addLayout(textLayout);
}
FileMetaDataToolTip::~FileMetaDataToolTip()
{
}
void FileMetaDataToolTip::setPreview(const QPixmap& pixmap)
{
m_preview->setPixmap(pixmap);
}
QPixmap FileMetaDataToolTip::preview() const
{
if (m_preview->pixmap()) {
return *m_preview->pixmap();
}
return QPixmap();
}
void FileMetaDataToolTip::setName(const QString& name)
{
QTextOption textOption;
textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
const QString processedName = Qt::mightBeRichText(name) ? name : KStringHandler::preProcessWrap(name);
QTextLayout textLayout(processedName);
textLayout.setFont(m_name->font());
textLayout.setTextOption(textOption);
QString wrappedText;
wrappedText.reserve(processedName.length());
// wrap the text to fit into the maximum width of m_name
textLayout.beginLayout();
QTextLine line = textLayout.createLine();
while (line.isValid()) {
line.setLineWidth(m_name->maximumWidth());
wrappedText += processedName.midRef(line.textStart(), line.textLength());
line = textLayout.createLine();
if (line.isValid()) {
wrappedText += QChar::LineSeparator;
}
}
textLayout.endLayout();
m_name->setText(wrappedText);
}
QString FileMetaDataToolTip::name() const
{
return m_name->text();
}
void FileMetaDataToolTip::setItems(const KFileItemList& items)
{
m_fileMetaDataWidget->setItems(items);
}
KFileItemList FileMetaDataToolTip::items() const
{
return m_fileMetaDataWidget->items();
}
void FileMetaDataToolTip::paintEvent(QPaintEvent* event)
{
QStylePainter painter(this);
QStyleOptionFrame option;
option.init(this);
painter.drawPrimitive(QStyle::PE_PanelTipLabel, option);
painter.end();
QWidget::paintEvent(event);
}
void FileMetaDataToolTip::showEvent(QShowEvent *)
{
#pragma message("TODO: port Plasma::WindowEffects::overrideShadow")
//Plasma::WindowEffects::overrideShadow(winId(), true);
KWindowEffects::enableBlurBehind(winId(), true, mask());
}
|
