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 <kglobalsettings.h>
  28 #include <klocale.h>
  29 #include <kvbox.h>
  30
  31 #include <QGroupBox>
  32 #include <QLabel>
  33 #include <QSlider>
  34 #include <QVBoxLayout>
  35
  36 IconSizeDialog::IconSizeDialog(QWidget* parent) :
  37         KDialog(parent),
  38         m_iconSize(0),
  39         m_previewSize(0),
  40         m_iconSizeSlider(0),
  41         m_iconSizeViewer(0),
  42         m_previewSizeSlider(0),
  43         m_previewSizeViewer(0)
  44
  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(i18n("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(i18n("Icon Size"), main);
  62
  63     const QColor iconBackgroundColor(KGlobalSettings::baseColor());
  64
  65     KHBox* iconSizeHBox = new KHBox(iconSizeBox);
  66     iconSizeHBox->setSpacing(spacing);
  67     new QLabel(i18n("Small"), iconSizeHBox);
  68     m_iconSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, iconSizeHBox);
  69     m_iconSizeSlider->setValue(sliderValue(settings->iconSize()));
  70     m_iconSizeSlider->setTickmarks(QSlider::TicksBelow);
  71     connect(m_iconSizeSlider, SIGNAL(valueChanged(int)),
  72             this, SLOT(updateIconSize(int)));
  73     new QLabel(i18n("Large"), iconSizeHBox);
  74
  75     m_iconSizeViewer = new PixmapViewer(iconSizeBox, PixmapViewer::SizeTransition);
  76     m_iconSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
  77     m_iconSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
  78     m_iconSizeViewer->setEraseColor(iconBackgroundColor);
  79     updateIconSize(m_iconSizeSlider->value());
  80
  81     QVBoxLayout* iconSizeLayout = new QVBoxLayout(iconSizeBox);
  82     iconSizeLayout->addWidget(iconSizeHBox);
  83     iconSizeLayout->addWidget(m_iconSizeViewer);
  84
  85     // create 'Preview Size' group including slider and preview
  86     QGroupBox* previewSizeBox = new QGroupBox(i18n("Preview Size"), main);
  87
  88     KHBox* previewSizeHBox = new KHBox(previewSizeBox);
  89     previewSizeHBox->setSpacing(spacing);
  90     new QLabel(i18n("Small"), previewSizeHBox);
  91     m_previewSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, previewSizeHBox);
  92     m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
  93     m_previewSizeSlider->setTickmarks(QSlider::TicksBelow);
  94     connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
  95             this, SLOT(updatePreviewSize(int)));
  96     new QLabel(i18n("Large"), previewSizeHBox);
  97
  98     m_previewSizeViewer = new PixmapViewer(previewSizeBox, PixmapViewer::SizeTransition);
  99     m_previewSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
 100     m_previewSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
 101     m_previewSizeViewer->setEraseColor(iconBackgroundColor);
 102     updatePreviewSize(m_previewSizeSlider->value());
 103
 104     QVBoxLayout* previewSizeLayout = new QVBoxLayout(previewSizeBox);
 105     previewSizeLayout->addWidget(previewSizeHBox);
 106     previewSizeLayout->addWidget(m_previewSizeViewer);
 107
 108     topLayout->addWidget(iconSizeBox);
 109     topLayout->addWidget(previewSizeBox);
 110     main->setLayout(topLayout);
 111     setMainWidget(main);
 112 }
 113
 114 IconSizeDialog::~IconSizeDialog()
 115 {}
 116
 117 void IconSizeDialog::slotButtonClicked(int button)
 118 {
 119     if (button == Ok) {
 120         m_iconSize = iconSize(m_iconSizeSlider->value());
 121
 122         m_previewSize = iconSize(m_previewSizeSlider->value());
 123         if (m_previewSize < m_iconSize) {
 124             // assure that the preview size is never smaller than the icon size
 125             m_previewSize = m_iconSize;
 126         }
 127     }
 128
 129     KDialog::slotButtonClicked(button);
 130 }
 131
 132 void IconSizeDialog::updateIconSize(int value)
 133 {
 134     KIconLoader iconLoader;
 135     m_iconSizeViewer->setPixmap(iconLoader.loadIcon("folder", K3Icon::Desktop, iconSize(value)));
 136
 137     if (m_previewSizeSlider != 0) {
 138         int previewSizeValue = m_previewSizeSlider->value();
 139         if (previewSizeValue < value) {
 140             // assure that the preview size is never smaller than the icon size
 141             previewSizeValue = value;
 142         }
 143         updatePreviewSize(previewSizeValue);
 144     }
 145 }
 146
 147 void IconSizeDialog::updatePreviewSize(int value)
 148 {
 149     KIconLoader iconLoader;
 150     const int iconSizeValue = m_iconSizeSlider->value();
 151     if (value < iconSizeValue) {
 152         // assure that the preview size is never smaller than the icon size
 153         value = iconSizeValue;
 154     }
 155     m_previewSizeViewer->setPixmap(iconLoader.loadIcon("preview", K3Icon::Desktop, iconSize(value)));
 156 }
 157
 158 int IconSizeDialog::iconSize(int sliderValue) const
 159 {
 160     int size = K3Icon::SizeMedium;
 161     switch (sliderValue) {
 162     case 0: size = K3Icon::SizeSmall; break;
 163     case 1: size = K3Icon::SizeSmallMedium; break;
 164     case 2: size = K3Icon::SizeMedium; break;
 165     case 3: size = K3Icon::SizeLarge; break;
 166     case 4: size = K3Icon::SizeHuge; break;
 167     case 5: size = K3Icon::SizeEnormous; break;
 168     }
 169     return size;
 170 }
 171
 172 int IconSizeDialog::sliderValue(int iconSize) const
 173 {
 174     int value = 0;
 175     switch (iconSize) {
 176     case K3Icon::SizeSmall:       value = 0; break;
 177     case K3Icon::SizeSmallMedium: value = 1; break;
 178     case K3Icon::SizeMedium:      value = 2; break;
 179     case K3Icon::SizeLarge:       value = 3; break;
 180     case K3Icon::SizeHuge:        value = 4; break;
 181     case K3Icon::SizeEnormous:    value = 5; break;
 182     default: break;
 183     }
 184     return value;
 185 }
 186
 187 #include "iconsizedialog.moc"