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 <kversioncontrolplugin2.h>
  25 #include <QColor>
  26
  27 #include <KDebug>
  28
  29 DolphinFileItemListWidget::DolphinFileItemListWidget(KItemListWidgetInformant* informant,
  30                                                      QGraphicsItem* parent) :
  31     KFileItemListWidget(informant, parent)
  32 {
  33 }
  34
  35 DolphinFileItemListWidget::~DolphinFileItemListWidget()
  36 {
  37 }
  38
  39 void DolphinFileItemListWidget::refreshCache()
  40 {
  41     QColor color;
  42     const QHash<QByteArray, QVariant> values = data();
  43     if (values.contains("version")) {
  44         // The item is under version control. Apply the text color corresponding
  45         // to its version state.
  46         const KVersionControlPlugin2::ItemVersion version = static_cast<KVersionControlPlugin2::ItemVersion>(values.value("version").toInt());
  47         const QColor textColor = styleOption().palette.text().color();
  48         QColor tintColor = textColor;
  49
  50         // Using hardcoded colors is generally a bad idea. In this case the colors just act
  51         // as tint colors and are mixed with the current set text color. The tint colors
  52         // have been optimized for the base colors of the corresponding Oxygen emblems.
  53         switch (version) {
  54         case KVersionControlPlugin2::UpdateRequiredVersion:          tintColor = Qt::yellow; break;
  55         case KVersionControlPlugin2::LocallyModifiedUnstagedVersion: tintColor = Qt::green; break;
  56         case KVersionControlPlugin2::LocallyModifiedVersion:         tintColor = Qt::green; break;
  57         case KVersionControlPlugin2::AddedVersion:                   tintColor = Qt::green; break;
  58         case KVersionControlPlugin2::RemovedVersion:                 tintColor = Qt::darkRed; break;
  59         case KVersionControlPlugin2::ConflictingVersion:             tintColor = Qt::red; break;
  60         case KVersionControlPlugin2::IgnoredVersion:                 tintColor = Qt::white; break;
  61         case KVersionControlPlugin2::MissingVersion:                 tintColor = Qt::red; break;
  62         case KVersionControlPlugin2::NormalVersion:
  63         case KVersionControlPlugin2::UnversionedVersion:
  64         default:
  65             break;
  66         }
  67
  68         color = QColor((tintColor.red()   + textColor.red())   / 2,
  69                        (tintColor.green() + textColor.green()) / 2,
  70                        (tintColor.blue()  + textColor.blue())  / 2,
  71                        (tintColor.alpha() + textColor.alpha()) / 2);
  72
  73         setOverlay(overlayForState(version, styleOption().iconSize));
  74     } else if (!overlay().isNull()) {
  75         setOverlay(QPixmap());
  76     }
  77
  78     setTextColor(color);
  79 }
  80
  81 QPixmap DolphinFileItemListWidget::overlayForState(KVersionControlPlugin2::ItemVersion version, int size)
  82 {
  83     int overlayHeight = KIconLoader::SizeSmall;
  84     if (size >= KIconLoader::SizeEnormous) {
  85         overlayHeight = KIconLoader::SizeMedium;
  86     } else if (size >= KIconLoader::SizeLarge) {
  87         overlayHeight = KIconLoader::SizeSmallMedium;
  88     } else if (size >= KIconLoader::SizeMedium) {
  89         overlayHeight = KIconLoader::SizeSmall;
  90     } else {
  91         overlayHeight = KIconLoader::SizeSmall / 2;
  92     }
  93
  94     QString iconName;
  95     switch (version) {
  96     case KVersionControlPlugin::NormalVersion:
  97         iconName = "vcs-normal";
  98         break;
  99     case KVersionControlPlugin::UpdateRequiredVersion:
 100         iconName = "vcs-update-required";
 101         break;
 102     case KVersionControlPlugin::LocallyModifiedVersion:
 103         iconName = "vcs-locally-modified";
 104         break;
 105     case KVersionControlPlugin::LocallyModifiedUnstagedVersion:
 106         iconName = "vcs-locally-modified-unstaged";
 107         break;
 108     case KVersionControlPlugin::AddedVersion:
 109         iconName = "vcs-added";
 110         break;
 111     case KVersionControlPlugin::RemovedVersion:
 112         iconName = "vcs-removed";
 113         break;
 114     case KVersionControlPlugin::ConflictingVersion:
 115         iconName = "vcs-conflicting";
 116         break;
 117     case KVersionControlPlugin::UnversionedVersion:
 118     case KVersionControlPlugin2::IgnoredVersion:
 119     case KVersionControlPlugin2::MissingVersion:
 120         break;
 121     default:
 122         Q_ASSERT(false);
 123         break;
 124     }
 125
 126     return QIcon::fromTheme(iconName).pixmap(QSize(overlayHeight, overlayHeight));
 127 }
 128