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 <QIcon>
  23 #include <KIconLoader>
  24 #include <QColor>
  25
  26 #include "dolphindebug.h"
  27
  28 DolphinFileItemListWidget::DolphinFileItemListWidget(KItemListWidgetInformant* informant,
  29                                                      QGraphicsItem* parent) :
  30     KFileItemListWidget(informant, parent)
  31 {
  32 }
  33
  34 DolphinFileItemListWidget::~DolphinFileItemListWidget()
  35 {
  36 }
  37
  38 void DolphinFileItemListWidget::refreshCache()
  39 {
  40     QColor color;
  41     const QHash<QByteArray, QVariant> values = data();
  42     if (values.contains("version")) {
  43         // The item is under version control. Apply the text color corresponding
  44         // to its version state.
  45         const KVersionControlPlugin::ItemVersion version = static_cast<KVersionControlPlugin::ItemVersion>(values.value("version").toInt());
  46         const QColor textColor = styleOption().palette.text().color();
  47         QColor tintColor = textColor;
  48
  49         // Using hardcoded colors is generally a bad idea. In this case the colors just act
  50         // as tint colors and are mixed with the current set text color. The tint colors
  51         // have been optimized for the base colors of the corresponding Oxygen emblems.
  52         switch (version) {
  53         case KVersionControlPlugin::UpdateRequiredVersion:          tintColor = Qt::yellow; break;
  54         case KVersionControlPlugin::LocallyModifiedUnstagedVersion: tintColor = Qt::green; break;
  55         case KVersionControlPlugin::LocallyModifiedVersion:         tintColor = Qt::green; break;
  56         case KVersionControlPlugin::AddedVersion:                   tintColor = Qt::green; break;
  57         case KVersionControlPlugin::RemovedVersion:                 tintColor = Qt::darkRed; break;
  58         case KVersionControlPlugin::ConflictingVersion:             tintColor = Qt::red; break;
  59         case KVersionControlPlugin::IgnoredVersion:                 tintColor = Qt::white; break;
  60         case KVersionControlPlugin::MissingVersion:                 tintColor = Qt::red; break;
  61         case KVersionControlPlugin::NormalVersion:
  62         case KVersionControlPlugin::UnversionedVersion:
  63         default:
  64             break;
  65         }
  66
  67         color = QColor((tintColor.red()   + textColor.red())   / 2,
  68                        (tintColor.green() + textColor.green()) / 2,
  69                        (tintColor.blue()  + textColor.blue())  / 2,
  70                        (tintColor.alpha() + textColor.alpha()) / 2);
  71
  72         setOverlay(overlayForState(version, styleOption().iconSize));
  73     } else if (!overlay().isNull()) {
  74         setOverlay(QPixmap());
  75     }
  76
  77     setTextColor(color);
  78 }
  79
  80 QPixmap DolphinFileItemListWidget::overlayForState(KVersionControlPlugin::ItemVersion version, int size)
  81 {
  82     int overlayHeight = KIconLoader::SizeSmall;
  83     if (size >= KIconLoader::SizeEnormous) {
  84         overlayHeight = KIconLoader::SizeMedium;
  85     } else if (size >= KIconLoader::SizeLarge) {
  86         overlayHeight = KIconLoader::SizeSmallMedium;
  87     } else if (size >= KIconLoader::SizeMedium) {
  88         overlayHeight = KIconLoader::SizeSmall;
  89     } else {
  90         overlayHeight = KIconLoader::SizeSmall / 2;
  91     }
  92
  93     QString iconName;
  94     switch (version) {
  95     case KVersionControlPlugin::NormalVersion:
  96         iconName = QStringLiteral("vcs-normal");
  97         break;
  98     case KVersionControlPlugin::UpdateRequiredVersion:
  99         iconName = QStringLiteral("vcs-update-required");
 100         break;
 101     case KVersionControlPlugin::LocallyModifiedVersion:
 102         iconName = QStringLiteral("vcs-locally-modified");
 103         break;
 104     case KVersionControlPlugin::LocallyModifiedUnstagedVersion:
 105         iconName = QStringLiteral("vcs-locally-modified-unstaged");
 106         break;
 107     case KVersionControlPlugin::AddedVersion:
 108         iconName = QStringLiteral("vcs-added");
 109         break;
 110     case KVersionControlPlugin::RemovedVersion:
 111         iconName = QStringLiteral("vcs-removed");
 112         break;
 113     case KVersionControlPlugin::ConflictingVersion:
 114         iconName = QStringLiteral("vcs-conflicting");
 115         break;
 116     case KVersionControlPlugin::UnversionedVersion:
 117     case KVersionControlPlugin::IgnoredVersion:
 118     case KVersionControlPlugin::MissingVersion:
 119         break;
 120     default:
 121         Q_ASSERT(false);
 122         break;
 123     }
 124
 125     return QIcon::fromTheme(iconName).pixmap(QSize(overlayHeight, overlayHeight));
 126 }
 127