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