src/views/tooltips/filemetadatatooltip.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Peter Penz <peter.penz19@gmail.com>             *
   3  *   Copyright (C) 2008 by Fredrik Höglund <fredrik@kde.org>               *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program 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         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "filemetadatatooltip.h"
  22
  23 #include <KColorScheme>
  24 #include <kfilemetadatawidget.h>
  25 #include <KSeparator>
  26 #include <KWindowSystem>
  27
  28 #include <QLabel>
  29 #include <QStyleOptionFrame>
  30 #include <QStylePainter>
  31 #include <QVBoxLayout>
  32
  33 FileMetaDataToolTip::FileMetaDataToolTip(QWidget* parent) :
  34     QWidget(parent),
  35     m_preview(0),
  36     m_name(0),
  37     m_fileMetaDataWidget(0)
  38 {
  39     setAttribute(Qt::WA_TranslucentBackground);
  40     setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint);
  41
  42     // Create widget for file preview
  43     m_preview = new QLabel(this);
  44     m_preview->setAlignment(Qt::AlignTop);
  45
  46     // Create widget for file name
  47     m_name = new QLabel(this);
  48     m_name->setForegroundRole(QPalette::ToolTipText);
  49     QFont font = m_name->font();
  50     font.setBold(true);
  51     m_name->setFont(font);
  52
  53     // Create widget for the meta data
  54     m_fileMetaDataWidget = new KFileMetaDataWidget(this);
  55     m_fileMetaDataWidget->setForegroundRole(QPalette::ToolTipText);
  56     m_fileMetaDataWidget->setReadOnly(true);
  57     connect(m_fileMetaDataWidget, SIGNAL(metaDataRequestFinished(KFileItemList)),
  58             this, SIGNAL(metaDataRequestFinished(KFileItemList)));
  59
  60     QVBoxLayout* textLayout = new QVBoxLayout();
  61     textLayout->addWidget(m_name);
  62     textLayout->addWidget(new KSeparator());
  63     textLayout->addWidget(m_fileMetaDataWidget);
  64     textLayout->setAlignment(m_name, Qt::AlignCenter);
  65     textLayout->setAlignment(m_fileMetaDataWidget, Qt::AlignLeft);
  66     // Assure that the text-layout gets top-aligned by adding a stretch.
  67     // Don't use textLayout->setAlignment(Qt::AlignTop) instead, as this does
  68     // not work with the heightForWidth()-size-hint of m_fileMetaDataWidget
  69     // (see bug #241608)
  70     textLayout->addStretch();
  71
  72     QHBoxLayout* tipLayout = new QHBoxLayout(this);
  73     tipLayout->addWidget(m_preview);
  74     tipLayout->addSpacing(tipLayout->margin());
  75     tipLayout->addLayout(textLayout);
  76 }
  77
  78 FileMetaDataToolTip::~FileMetaDataToolTip()
  79 {
  80 }
  81
  82 void FileMetaDataToolTip::setPreview(const QPixmap& pixmap)
  83 {
  84     m_preview->setPixmap(pixmap);
  85 }
  86
  87 QPixmap FileMetaDataToolTip::preview() const
  88 {
  89     if (m_preview->pixmap()) {
  90         return *m_preview->pixmap();
  91     }
  92     return QPixmap();
  93 }
  94
  95 void FileMetaDataToolTip::setName(const QString& name)
  96 {
  97     m_name->setText(name);
  98 }
  99
 100 QString FileMetaDataToolTip::name() const
 101 {
 102     return m_name->text();
 103 }
 104
 105 void FileMetaDataToolTip::setItems(const KFileItemList& items)
 106 {
 107     m_fileMetaDataWidget->setItems(items);
 108 }
 109
 110 KFileItemList FileMetaDataToolTip::items() const
 111 {
 112     return m_fileMetaDataWidget->items();
 113 }
 114
 115 void FileMetaDataToolTip::paintEvent(QPaintEvent* event)
 116 {
 117     QStylePainter painter(this);
 118     QStyleOptionFrame option;
 119     option.init(this);
 120     painter.drawPrimitive(QStyle::PE_PanelTipLabel, option);
 121     painter.end();
 122
 123     QWidget::paintEvent(event);
 124 }
 125
 126 #include "filemetadatatooltip.moc"