src/iconsviewsettingspage.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "iconsviewsettingspage.h"
  22 #include "dolphin_iconsmodesettings.h"
  23 #include "dolphinsettings.h"
  24 #include "pixmapviewer.h"
  25
  26 #include <assert.h>
  27
  28 #include <qlabel.h>
  29 #include <qslider.h>
  30 #include <q3buttongroup.h>
  31 #include <qradiobutton.h>
  32 #include <qspinbox.h>
  33 #include <qfontcombobox.h>
  34
  35 #include <kiconloader.h>
  36 #include <kdialog.h>
  37 #include <kglobalsettings.h>
  38 #include <klocale.h>
  39 #include <kvbox.h>
  40
  41 #include <QListView>
  42
  43 #define GRID_SPACING_BASE 8
  44 #define GRID_SPACING_INC 24
  45
  46 IconsViewSettingsPage::IconsViewSettingsPage(DolphinMainWindow* mainWindow,
  47                                              QWidget* parent) :
  48     KVBox(parent),
  49     m_mainWindow(mainWindow),
  50     m_iconSizeSlider(0),
  51     m_previewSizeSlider(0),
  52     m_textWidthBox(0),
  53     m_fontFamilyBox(0),
  54     m_fontSizeBox(0),
  55     m_textlinesCountBox(0),
  56     m_additionalInfo(0),
  57     m_arrangementBox(0),
  58     m_gridSpacingBox(0)
  59 {
  60     const int spacing = KDialog::spacingHint();
  61     const int margin = KDialog::marginHint();
  62     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  63
  64     setSpacing(spacing);
  65     setMargin(margin);
  66
  67     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
  68     assert(settings != 0);
  69
  70     KHBox* sizesLayout = new KHBox(this);
  71     sizesLayout->setSpacing(spacing);
  72     sizesLayout->setSizePolicy(sizePolicy);
  73
  74     // create 'Icon Size' group including slider and preview
  75     Q3GroupBox* iconSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Icon Size"), sizesLayout);
  76     iconSizeGroup->setSizePolicy(sizePolicy);
  77     iconSizeGroup->setMargin(margin);
  78
  79     const QColor iconBackgroundColor(KGlobalSettings::baseColor());
  80
  81     KHBox* iconSizeVBox = new KHBox(iconSizeGroup);
  82     iconSizeVBox->setSpacing(spacing);
  83     new QLabel(i18n("Small"), iconSizeVBox);
  84     m_iconSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, iconSizeVBox);
  85     m_iconSizeSlider->setValue(sliderValue(settings->iconSize()));
  86     m_iconSizeSlider->setTickmarks(QSlider::TicksBelow);
  87     connect(m_iconSizeSlider, SIGNAL(valueChanged(int)),
  88             this, SLOT(slotIconSizeChanged(int)));
  89     new QLabel(i18n("Large"), iconSizeVBox);
  90
  91     m_iconSizeViewer = new PixmapViewer(iconSizeGroup);
  92     m_iconSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
  93     m_iconSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
  94     m_iconSizeViewer->setEraseColor(iconBackgroundColor);
  95     slotIconSizeChanged(m_iconSizeSlider->value());
  96
  97     // create 'Preview Size' group including slider and preview
  98     Q3GroupBox* previewSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Preview Size"), sizesLayout);
  99     previewSizeGroup->setSizePolicy(sizePolicy);
 100     previewSizeGroup->setMargin(margin);
 101
 102     KHBox* previewSizeVBox = new KHBox(previewSizeGroup);
 103     previewSizeVBox->setSpacing(spacing);
 104     new QLabel(i18n("Small"), previewSizeVBox);
 105     m_previewSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, previewSizeVBox);
 106     m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
 107     m_previewSizeSlider->setTickmarks(QSlider::TicksBelow);
 108     connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
 109             this, SLOT(slotPreviewSizeChanged(int)));
 110     new QLabel(i18n("Large"), previewSizeVBox);
 111
 112     m_previewSizeViewer = new PixmapViewer(previewSizeGroup);
 113     m_previewSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
 114     m_previewSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
 115     m_previewSizeViewer->setEraseColor(iconBackgroundColor);
 116
 117     slotPreviewSizeChanged(m_previewSizeSlider->value());
 118
 119     Q3GroupBox* textGroup = new Q3GroupBox(2, Qt::Horizontal, i18n("Text"), this);
 120     textGroup->setSizePolicy(sizePolicy);
 121     textGroup->setMargin(margin);
 122
 123     new QLabel(i18n("Font family:"), textGroup);
 124     m_fontFamilyBox = new QFontComboBox(textGroup);
 125     m_fontFamilyBox->setCurrentFont(settings->fontFamily());
 126
 127     new QLabel(i18n("Font size:"), textGroup);
 128     m_fontSizeBox = new QSpinBox(6, 99, 1, textGroup);
 129     m_fontSizeBox->setValue(settings->fontSize());
 130
 131     new QLabel(i18n("Number of lines:"), textGroup);
 132     m_textlinesCountBox = new QSpinBox(1, 5, 1, textGroup);
 133     m_textlinesCountBox->setValue(settings->numberOfTextlines());
 134
 135     new QLabel(i18n("Text width:"), textGroup);
 136     m_textWidthBox = new QComboBox(textGroup);
 137     m_textWidthBox->addItem(i18n("Small"));
 138     m_textWidthBox->addItem(i18n("Medium"));
 139     m_textWidthBox->addItem(i18n("Large"));
 140
 141     new QLabel(i18n("Additional information:"), textGroup);
 142     m_additionalInfo = new QComboBox(textGroup);
 143     m_additionalInfo->addItem(i18n("No Information"), KFileItemDelegate::NoInformation);
 144     m_additionalInfo->addItem(i18n("MIME Type"), KFileItemDelegate::FriendlyMimeType);
 145     m_additionalInfo->addItem(i18n("Size"), KFileItemDelegate::Size);
 146     m_additionalInfo->addItem(i18n("Date"), KFileItemDelegate::ModificationTime);
 147     const int index = m_additionalInfo->findData(settings->additionalInfo());
 148     m_additionalInfo->setCurrentIndex(index);
 149
 150     Q3GroupBox* gridGroup = new Q3GroupBox(2, Qt::Horizontal, i18n("Grid"), this);
 151     gridGroup->setSizePolicy(sizePolicy);
 152     gridGroup->setMargin(margin);
 153
 154     const bool leftToRightArrangement = (settings->arrangement() == QListView::LeftToRight);
 155     new QLabel(i18n("Arrangement:"), gridGroup);
 156     m_arrangementBox = new QComboBox(gridGroup);
 157     m_arrangementBox->addItem(i18n("Left to right"));
 158     m_arrangementBox->addItem(i18n("Top to bottom"));
 159     m_arrangementBox->setCurrentIndex(leftToRightArrangement ? 0 : 1);
 160
 161     new QLabel(i18n("Grid spacing:"), gridGroup);
 162     m_gridSpacingBox = new QComboBox(gridGroup);
 163     m_gridSpacingBox->addItem(i18n("Small"));
 164     m_gridSpacingBox->addItem(i18n("Medium"));
 165     m_gridSpacingBox->addItem(i18n("Large"));
 166     m_gridSpacingBox->setCurrentIndex((settings->gridSpacing() - GRID_SPACING_BASE) / GRID_SPACING_INC);
 167
 168     // Add a dummy widget with no restriction regarding
 169     // a vertical resizing. This assures that the dialog layout
 170     // is not stretched vertically.
 171     new QWidget(this);
 172
 173     adjustTextWidthSelection();
 174 }
 175
 176 IconsViewSettingsPage::~IconsViewSettingsPage()
 177 {
 178 }
 179
 180 void IconsViewSettingsPage::applySettings()
 181 {
 182     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 183     assert(settings != 0);
 184
 185     const int defaultSize = iconSize(m_iconSizeSlider->value());
 186     settings->setIconSize(defaultSize);
 187
 188     int previewSize = iconSize(m_previewSizeSlider->value());
 189     if (previewSize < defaultSize) {
 190         // assure that the preview size is never smaller than the icon size
 191         previewSize = defaultSize;
 192     }
 193     settings->setPreviewSize(previewSize);
 194
 195     const int fontSize = m_fontSizeBox->value();
 196
 197     const int arrangement = (m_arrangementBox->currentIndex() == 0) ?
 198                             QListView::LeftToRight :
 199                             QListView::TopToBottom;
 200
 201     settings->setArrangement(arrangement);
 202
 203     // TODO: this is just a very rough testing code to calculate the grid
 204     // width and height
 205     int gridWidth = defaultSize;
 206     int gridHeight = defaultSize;
 207     const int textSizeIndex = m_textWidthBox->currentIndex();
 208     if (arrangement == QListView::TopToBottom) {
 209         gridWidth += 96 + textSizeIndex * 32;
 210         gridHeight += 64;
 211     }
 212     else {
 213         gridWidth += 128 + textSizeIndex * 64;
 214     }
 215
 216     settings->setGridWidth(gridWidth);
 217     settings->setGridHeight(gridHeight);
 218
 219     settings->setFontFamily(m_fontFamilyBox->currentFont().family());
 220     settings->setFontSize(fontSize);
 221     settings->setNumberOfTextlines(m_textlinesCountBox->value());
 222     const int index = m_additionalInfo->currentIndex();
 223     settings->setAdditionalInfo(m_additionalInfo->itemData(index).toInt());
 224
 225     settings->setGridSpacing(GRID_SPACING_BASE +
 226                              m_gridSpacingBox->currentIndex() * GRID_SPACING_INC);
 227 }
 228
 229 void IconsViewSettingsPage::slotIconSizeChanged(int value)
 230 {
 231     KIconLoader iconLoader;
 232     m_iconSizeViewer->setPixmap(iconLoader.loadIcon("folder", K3Icon::Desktop, iconSize(value)));
 233
 234     if (m_previewSizeSlider != 0) {
 235         int previewSizeValue = m_previewSizeSlider->value();
 236         if (previewSizeValue < value) {
 237             // assure that the preview size is never smaller than the icon size
 238             previewSizeValue = value;
 239         }
 240         slotPreviewSizeChanged(previewSizeValue);
 241     }
 242 }
 243
 244 void IconsViewSettingsPage::slotPreviewSizeChanged(int value)
 245 {
 246     KIconLoader iconLoader;
 247     const int iconSizeValue = m_iconSizeSlider->value();
 248     if (value < iconSizeValue) {
 249         // assure that the preview size is never smaller than the icon size
 250         value = iconSizeValue;
 251     }
 252     m_previewSizeViewer->setPixmap(iconLoader.loadIcon("preview", K3Icon::Desktop, iconSize(value)));
 253 }
 254
 255 int IconsViewSettingsPage::iconSize(int sliderValue) const
 256 {
 257     int size = K3Icon::SizeMedium;
 258     switch (sliderValue) {
 259         case 0: size = K3Icon::SizeSmall; break;
 260         case 1: size = K3Icon::SizeSmallMedium; break;
 261         case 2: size = K3Icon::SizeMedium; break;
 262         case 3: size = K3Icon::SizeLarge; break;
 263         case 4: size = K3Icon::SizeHuge; break;
 264         case 5: size = K3Icon::SizeEnormous; break;
 265     }
 266     return size;
 267 }
 268
 269 int IconsViewSettingsPage::sliderValue(int iconSize) const
 270 {
 271     int value = 0;
 272     switch (iconSize) {
 273         case K3Icon::SizeSmall: value = 0; break;
 274         case K3Icon::SizeSmallMedium: value = 1; break;
 275         case K3Icon::SizeMedium: value = 2; break;
 276         case K3Icon::SizeLarge: value = 3; break;
 277         case K3Icon::SizeHuge: value = 4; break;
 278         case K3Icon::SizeEnormous: value = 5; break;
 279         default: break;
 280     }
 281     return value;
 282 }
 283
 284 void IconsViewSettingsPage::adjustTextWidthSelection()
 285 {
 286     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 287     assert(settings != 0);
 288     //m_textWidthBox->setCurrentIndex(DolphinSettings::instance().textWidthHint());
 289 }
 290
 291 #include "iconsviewsettingspage.moc"