src/views/dolphinfileitemlistwidget.cpp

   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 #include "dolphinfileitemlistwidget.h"
  21
  22 #include <KIcon>
  23 #include <KIconLoader>
  24 #include <QColor>
  25
  26 #include <KDebug>
  27
  28 DolphinFileItemListWidget::DolphinFileItemListWidget(QGraphicsItem* parent) :
  29     KFileItemListWidget(parent)
  30 {
  31 }
  32
  33 DolphinFileItemListWidget::~DolphinFileItemListWidget()
  34 {
  35 }
  36
  37 void DolphinFileItemListWidget::refreshCache()
  38 {
  39     QColor color;
  40     const QHash<QByteArray, QVariant> values = data();
  41     if (values.contains("version")) {
  42         // The item is under version control. Apply the text color corresponding
  43         // to its version state.
  44         const KVersionControlPlugin::VersionState version = static_cast<KVersionControlPlugin::VersionState>(values.value("version").toInt());
  45         const QColor textColor = styleOption().palette.text().color();
  46         QColor tintColor = textColor;
  47
  48         // Using hardcoded colors is generally a bad idea. In this case the colors just act
  49         // as tint colors and are mixed with the current set text color. The tint colors
  50         // have been optimized for the base colors of the corresponding Oxygen emblems.
  51         switch (version) {
  52         case KVersionControlPlugin::UpdateRequiredVersion:          tintColor = Qt::yellow; break;
  53         case KVersionControlPlugin::LocallyModifiedUnstagedVersion: tintColor = Qt::green; break;
  54         case KVersionControlPlugin::LocallyModifiedVersion:         tintColor = Qt::green; break;
  55         case KVersionControlPlugin::AddedVersion:                   tintColor = Qt::green; break;
  56         case KVersionControlPlugin::RemovedVersion:                 tintColor = Qt::darkRed; break;
  57         case KVersionControlPlugin::ConflictingVersion:             tintColor = Qt::red; break;
  58         case KVersionControlPlugin::UnversionedVersion:             tintColor = Qt::white; break;
  59         case KVersionControlPlugin::NormalVersion:
  60         default:
  61             break;
  62         }
  63
  64         color = QColor((tintColor.red()   + textColor.red())   / 2,
  65                        (tintColor.green() + textColor.green()) / 2,
  66                        (tintColor.blue()  + textColor.blue())  / 2,
  67                        (tintColor.alpha() + textColor.alpha()) / 2);
  68
  69         setOverlay(overlayForState(version, styleOption().iconSize));
  70     } else if (!overlay().isNull()) {
  71         setOverlay(QPixmap());
  72     }
  73
  74     setTextColor(color);
  75 }
  76
  77 QPixmap DolphinFileItemListWidget::overlayForState(KVersionControlPlugin::VersionState version, int size)
  78 {
  79     int overlayHeight = KIconLoader::SizeSmall;
  80     if (size >= KIconLoader::SizeEnormous) {
  81         overlayHeight = KIconLoader::SizeMedium;
  82     } else if (size >= KIconLoader::SizeLarge) {
  83         overlayHeight = KIconLoader::SizeSmallMedium;
  84     } else if (size >= KIconLoader::SizeMedium) {
  85         overlayHeight = KIconLoader::SizeSmall;
  86     } else {
  87         overlayHeight = KIconLoader::SizeSmall / 2;
  88     }
  89
  90     QString iconName;
  91     switch (version) {
  92     case KVersionControlPlugin::NormalVersion:
  93         iconName = "vcs-normal";
  94         break;
  95     case KVersionControlPlugin::UpdateRequiredVersion:
  96         iconName = "vcs-update-required";
  97         break;
  98     case KVersionControlPlugin::LocallyModifiedVersion:
  99         iconName = "vcs-locally-modified";
 100         break;
 101     case KVersionControlPlugin::LocallyModifiedUnstagedVersion:
 102         iconName = "vcs-locally-modified-unstaged";
 103         break;
 104     case KVersionControlPlugin::AddedVersion:
 105         iconName = "vcs-added";
 106         break;
 107     case KVersionControlPlugin::RemovedVersion:
 108         iconName = "vcs-removed";
 109         break;
 110     case KVersionControlPlugin::ConflictingVersion:
 111         iconName = "vcs-conflicting";
 112         break;
 113     case KVersionControlPlugin::UnversionedVersion:
 114         break;
 115     default:
 116         Q_ASSERT(false);
 117         break;
 118     }
 119
 120     return KIcon(iconName).pixmap(QSize(overlayHeight, overlayHeight));
 121 }
 122
 123 #include "dolphinfileitemlistwidget.moc"