src/iconsizedialog.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   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 "iconsizedialog.h"
  21
  22 #include "dolphinsettings.h"
  23 #include "pixmapviewer.h"
  24
  25 #include "dolphin_iconsmodesettings.h"
  26
  27 #include <kcolorscheme.h>
  28 #include <kiconloader.h>
  29 #include <klocale.h>
  30 #include <kvbox.h>
  31
  32 #include <QGroupBox>
  33 #include <QLabel>
  34 #include <QSlider>
  35 #include <QBoxLayout>
  36
  37 IconSizeDialog::IconSizeDialog(QWidget* parent) :
  38     KDialog(parent),
  39     m_iconSize(0),
  40     m_previewSize(0),
  41     m_iconSizeSlider(0),
  42     m_iconSizeViewer(0),
  43     m_previewSizeSlider(0),
  44     m_previewSizeViewer(0)
  45 {
  46     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
  47     Q_ASSERT(settings != 0);
  48     m_iconSize = settings->iconSize();
  49     m_previewSize = settings->previewSize();
  50
  51     const int spacing = KDialog::spacingHint();
  52
  53     setCaption(i18nc("@title:window", "Change Icon & Preview Size"));
  54     setButtons(Ok | Cancel);
  55     setDefaultButton(Ok);
  56
  57     QWidget* main = new QWidget();
  58     QHBoxLayout* topLayout = new QHBoxLayout();
  59
  60     // create 'Icon Size' group including slider and preview
  61     QGroupBox* iconSizeBox = new QGroupBox(i18nc("@title:group", "Icon Size"), main);
  62
  63     const QColor iconBackgroundColor = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
  64
  65     KHBox* iconSizeHBox = new KHBox(iconSizeBox);
  66     iconSizeHBox->setSpacing(spacing);
  67     new QLabel(i18nc("@item:inrange Icon Size", "Small"), iconSizeHBox);
  68     m_iconSizeSlider = new QSlider(Qt::Horizontal, iconSizeHBox);
  69     m_iconSizeSlider->setMinimum(0);
  70     m_iconSizeSlider->setMaximum(5);
  71     m_iconSizeSlider->setPageStep(1);
  72     m_iconSizeSlider->setValue(sliderValue(settings->iconSize()));
  73     m_iconSizeSlider->setTickmarks(QSlider::TicksBelow);
  74     connect(m_iconSizeSlider, SIGNAL(valueChanged(int)),
  75             this, SLOT(updateIconSize(int)));
  76     new QLabel(i18nc("@item:inrange Icon Size", "Large"), iconSizeHBox);
  77
  78     m_iconSizeViewer = new PixmapViewer(iconSizeBox, PixmapViewer::SizeTransition);
  79     m_iconSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
  80     m_iconSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
  81     m_iconSizeViewer->setEraseColor(iconBackgroundColor);
  82     updateIconSize(m_iconSizeSlider->value());
  83
  84     QVBoxLayout* iconSizeLayout = new QVBoxLayout(iconSizeBox);
  85     iconSizeLayout->addWidget(iconSizeHBox);
  86     iconSizeLayout->addWidget(m_iconSizeViewer);
  87
  88     // create 'Preview Size' group including slider and preview
  89     QGroupBox* previewSizeBox = new QGroupBox(i18nc("@title:group", "Preview Size"), main);
  90
  91     KHBox* previewSizeHBox = new KHBox(previewSizeBox);
  92     previewSizeHBox->setSpacing(spacing);
  93     new QLabel(i18nc("@item:inrange Preview Size", "Small"), previewSizeHBox);
  94     m_previewSizeSlider = new QSlider(Qt::Horizontal, previewSizeHBox);
  95     m_previewSizeSlider->setMinimum(0);
  96     m_previewSizeSlider->setMaximum(5);
  97     m_previewSizeSlider->setPageStep(1);
  98     m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
  99     m_previewSizeSlider->setTickmarks(QSlider::TicksBelow);
 100     connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
 101             this, SLOT(updatePreviewSize(int)));
 102     new QLabel(i18nc("@item:inrange Preview Size", "Large"), previewSizeHBox);
 103
 104     m_previewSizeViewer = new PixmapViewer(previewSizeBox, PixmapViewer::SizeTransition);
 105     m_previewSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
 106     m_previewSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
 107     m_previewSizeViewer->setEraseColor(iconBackgroundColor);
 108     updatePreviewSize(m_previewSizeSlider->value());
 109
 110     QVBoxLayout* previewSizeLayout = new QVBoxLayout(previewSizeBox);
 111     previewSizeLayout->addWidget(previewSizeHBox);
 112     previewSizeLayout->addWidget(m_previewSizeViewer);
 113
 114     topLayout->addWidget(iconSizeBox);
 115     topLayout->addWidget(previewSizeBox);
 116     main->setLayout(topLayout);
 117     setMainWidget(main);
 118 }
 119
 120 IconSizeDialog::~IconSizeDialog()
 121 {
 122 }
 123
 124 void IconSizeDialog::slotButtonClicked(int button)
 125 {
 126     if (button == Ok) {
 127         m_iconSize = iconSize(m_iconSizeSlider->value());
 128
 129         m_previewSize = iconSize(m_previewSizeSlider->value());
 130         if (m_previewSize < m_iconSize) {
 131             // assure that the preview size is never smaller than the icon size
 132             m_previewSize = m_iconSize;
 133         }
 134     }
 135
 136     KDialog::slotButtonClicked(button);
 137 }
 138
 139 void IconSizeDialog::updateIconSize(int value)
 140 {
 141     m_iconSizeViewer->setPixmap(KIconLoader::global()->loadIcon("folder", K3Icon::Desktop, iconSize(value)));
 142     if (m_previewSizeSlider != 0) {
 143         updatePreviewSize(m_previewSizeSlider->value());
 144     }
 145 }
 146
 147 void IconSizeDialog::updatePreviewSize(int value)
 148 {
 149     const int iconSizeValue = m_iconSizeSlider->value();
 150     if (value < iconSizeValue) {
 151         // assure that the preview size is never smaller than the icon size
 152         value = iconSizeValue;
 153     }
 154     m_previewSizeViewer->setPixmap(KIconLoader::global()->loadIcon("preview", K3Icon::Desktop, iconSize(value)));
 155 }
 156
 157 int IconSizeDialog::iconSize(int sliderValue) const
 158 {
 159     int size = K3Icon::SizeMedium;
 160     switch (sliderValue) {
 161     case 0: size = K3Icon::SizeSmall; break;
 162     case 1: size = K3Icon::SizeSmallMedium; break;
 163     case 2: size = K3Icon::SizeMedium; break;
 164     case 3: size = K3Icon::SizeLarge; break;
 165     case 4: size = K3Icon::SizeHuge; break;
 166     case 5: size = K3Icon::SizeEnormous; break;
 167     }
 168     return size;
 169 }
 170
 171 int IconSizeDialog::sliderValue(int iconSize) const
 172 {
 173     int value = 0;
 174     switch (iconSize) {
 175     case K3Icon::SizeSmall:       value = 0; break;
 176     case K3Icon::SizeSmallMedium: value = 1; break;
 177     case K3Icon::SizeMedium:      value = 2; break;
 178     case K3Icon::SizeLarge:       value = 3; break;
 179     case K3Icon::SizeHuge:        value = 4; break;
 180     case K3Icon::SizeEnormous:    value = 5; break;
 181     default: break;
 182     }
 183     return value;
 184 }
 185
 186 #include "iconsizedialog.moc"