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 "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 #define GRID_SPACING_BASE 8
  42 #define GRID_SPACING_INC 12
  43
  44 IconsViewSettingsPage::IconsViewSettingsPage(QWidget* parent) :
  45     KVBox(parent),
  46     m_iconSizeSlider(0),
  47     m_previewSizeSlider(0),
  48     m_textWidthBox(0),
  49     m_fontFamilyBox(0),
  50     m_fontSizeBox(0),
  51     m_textlinesCountBox(0),
  52     m_additionalInfo(0),
  53     m_arrangementBox(0),
  54     m_gridSpacingBox(0)
  55 {
  56     const int spacing = KDialog::spacingHint();
  57     const int margin = KDialog::marginHint();
  58     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  59
  60     setSpacing(spacing);
  61     setMargin(margin);
  62
  63     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
  64     assert(settings != 0);
  65
  66     KHBox* sizesLayout = new KHBox(this);
  67     sizesLayout->setSpacing(spacing);
  68     sizesLayout->setSizePolicy(sizePolicy);
  69
  70     // create 'Icon Size' group including slider and preview
  71     Q3GroupBox* iconSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Icon Size"), sizesLayout);
  72     iconSizeGroup->setSizePolicy(sizePolicy);
  73     iconSizeGroup->setMargin(margin);
  74
  75     const QColor iconBackgroundColor(KGlobalSettings::baseColor());
  76
  77     KHBox* iconSizeVBox = new KHBox(iconSizeGroup);
  78     iconSizeVBox->setSpacing(spacing);
  79     new QLabel(i18n("Small"), iconSizeVBox);
  80     m_iconSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, iconSizeVBox);
  81     m_iconSizeSlider->setValue(sliderValue(settings->iconSize()));
  82     m_iconSizeSlider->setTickmarks(QSlider::TicksBelow);
  83     connect(m_iconSizeSlider, SIGNAL(valueChanged(int)),
  84             this, SLOT(slotIconSizeChanged(int)));
  85     new QLabel(i18n("Large"), iconSizeVBox);
  86
  87     m_iconSizeViewer = new PixmapViewer(iconSizeGroup);
  88     m_iconSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
  89     m_iconSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
  90     m_iconSizeViewer->setEraseColor(iconBackgroundColor);
  91     slotIconSizeChanged(m_iconSizeSlider->value());
  92
  93     // create 'Preview Size' group including slider and preview
  94     Q3GroupBox* previewSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Preview Size"), sizesLayout);
  95     previewSizeGroup->setSizePolicy(sizePolicy);
  96     previewSizeGroup->setMargin(margin);
  97
  98     KHBox* previewSizeVBox = new KHBox(previewSizeGroup);
  99     previewSizeVBox->setSpacing(spacing);
 100     new QLabel(i18n("Small"), previewSizeVBox);
 101     m_previewSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, previewSizeVBox);
 102     m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
 103     m_previewSizeSlider->setTickmarks(QSlider::TicksBelow);
 104     connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
 105             this, SLOT(slotPreviewSizeChanged(int)));
 106     new QLabel(i18n("Large"), previewSizeVBox);
 107
 108     m_previewSizeViewer = new PixmapViewer(previewSizeGroup);
 109     m_previewSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
 110     m_previewSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
 111     m_previewSizeViewer->setEraseColor(iconBackgroundColor);
 112
 113     slotPreviewSizeChanged(m_previewSizeSlider->value());
 114
 115     Q3GroupBox* textGroup = new Q3GroupBox(2, Qt::Horizontal, i18n("Text"), this);
 116     textGroup->setSizePolicy(sizePolicy);
 117     textGroup->setMargin(margin);
 118
 119     new QLabel(i18n("Font family:"), textGroup);
 120     m_fontFamilyBox = new QFontComboBox(textGroup);
 121     m_fontFamilyBox->setCurrentFont(settings->fontFamily());
 122
 123     new QLabel(i18n("Font size:"), textGroup);
 124     m_fontSizeBox = new QSpinBox(6, 99, 1, textGroup);
 125     m_fontSizeBox->setValue(settings->fontSize());
 126
 127     new QLabel(i18n("Number of lines:"), textGroup);
 128     m_textlinesCountBox = new QSpinBox(1, 5, 1, textGroup);
 129     m_textlinesCountBox->setValue(settings->numberOfTexlines());
 130
 131     new QLabel(i18n("Text width:"), textGroup);
 132     m_textWidthBox = new QComboBox(textGroup);
 133     m_textWidthBox->addItem(i18n("Small"));
 134     m_textWidthBox->addItem(i18n("Medium"));
 135     m_textWidthBox->addItem(i18n("Large"));
 136
 137     new QLabel(i18n("Additional information:"), textGroup);
 138     m_additionalInfo = new QComboBox(textGroup);
 139     m_additionalInfo->addItem(i18n("No Information"));
 140     m_additionalInfo->addItem(i18n("MIME Type"));
 141     m_additionalInfo->addItem(i18n("Size"));
 142     m_additionalInfo->addItem(i18n("Date"));
 143     m_additionalInfo->setCurrentIndex(settings->additionalInfo());
 144
 145     Q3GroupBox* gridGroup = new Q3GroupBox(2, Qt::Horizontal, i18n("Grid"), this);
 146     gridGroup->setSizePolicy(sizePolicy);
 147     gridGroup->setMargin(margin);
 148
 149     const bool leftToRightArrangement = (settings->arrangement() == "LeftToRight");
 150     new QLabel(i18n("Arrangement:"), gridGroup);
 151     m_arrangementBox = new QComboBox(gridGroup);
 152     m_arrangementBox->addItem(i18n("Left to right"));
 153     m_arrangementBox->addItem(i18n("Top to bottom"));
 154     m_arrangementBox->setCurrentIndex(leftToRightArrangement ? 0 : 1);
 155
 156     new QLabel(i18n("Grid spacing:"), gridGroup);
 157     m_gridSpacingBox = new QComboBox(gridGroup);
 158     m_gridSpacingBox->addItem(i18n("Small"));
 159     m_gridSpacingBox->addItem(i18n("Medium"));
 160     m_gridSpacingBox->addItem(i18n("Large"));
 161     m_gridSpacingBox->setCurrentIndex((settings->gridSpacing() - GRID_SPACING_BASE) / GRID_SPACING_INC);
 162
 163     // Add a dummy widget with no restriction regarding
 164     // a vertical resizing. This assures that the dialog layout
 165     // is not stretched vertically.
 166     new QWidget(this);
 167
 168     adjustTextWidthSelection();
 169 }
 170
 171 IconsViewSettingsPage::~IconsViewSettingsPage()
 172 {
 173 }
 174
 175 void IconsViewSettingsPage::applySettings()
 176 {
 177     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 178     assert(settings != 0);
 179
 180     const int defaultSize = iconSize(m_iconSizeSlider->value());
 181     settings->setIconSize(defaultSize);
 182
 183     int previewSize = //(m_mode == DolphinIconsView::Previews) ?
 184                       //iconSize(m_previewSizeSlider->value()) :
 185                       defaultSize;
 186     if (previewSize < defaultSize) {
 187         // assure that the preview size is never smaller than the icon size
 188         previewSize = defaultSize;
 189     }
 190     settings->setPreviewSize(previewSize);
 191
 192     const int fontSize = m_fontSizeBox->value();
 193
 194     QString arrangement = (m_arrangementBox->currentIndex() == 0) ?
 195                           "LeftToRight" :
 196                           "TopToBottom";
 197     settings->setArrangement(arrangement);
 198     //DolphinSettings::instance().calculateGridSize(m_textWidthBox->currentIndex());
 199
 200     settings->setFontFamily(m_fontFamilyBox->currentFont().family());
 201     settings->setFontSize(fontSize);
 202     settings->setNumberOfTexlines(m_textlinesCountBox->value());
 203
 204     settings->setGridSpacing(GRID_SPACING_BASE +
 205                              m_gridSpacingBox->currentIndex() * GRID_SPACING_INC);
 206 }
 207
 208 void IconsViewSettingsPage::slotIconSizeChanged(int value)
 209 {
 210     KIconLoader iconLoader;
 211     m_iconSizeViewer->setPixmap(iconLoader.loadIcon("folder", K3Icon::Desktop, iconSize(value)));
 212
 213     if (m_previewSizeSlider != 0) {
 214         int previewSizeValue = m_previewSizeSlider->value();
 215         if (previewSizeValue < value) {
 216             // assure that the preview size is never smaller than the icon size
 217             previewSizeValue = value;
 218         }
 219         slotPreviewSizeChanged(previewSizeValue);
 220     }
 221 }
 222
 223 void IconsViewSettingsPage::slotPreviewSizeChanged(int value)
 224 {
 225     KIconLoader iconLoader;
 226     const int iconSizeValue = m_iconSizeSlider->value();
 227     if (value < iconSizeValue) {
 228         // assure that the preview size is never smaller than the icon size
 229         value = iconSizeValue;
 230     }
 231     m_previewSizeViewer->setPixmap(iconLoader.loadIcon("preview", K3Icon::Desktop, iconSize(value)));
 232 }
 233
 234 int IconsViewSettingsPage::iconSize(int sliderValue) const
 235 {
 236     int size = K3Icon::SizeMedium;
 237     switch (sliderValue) {
 238         case 0: size = K3Icon::SizeSmall; break;
 239         case 1: size = K3Icon::SizeSmallMedium; break;
 240         case 2: size = K3Icon::SizeMedium; break;
 241         case 3: size = K3Icon::SizeLarge; break;
 242         case 4: size = K3Icon::SizeHuge; break;
 243         case 5: size = K3Icon::SizeEnormous; break;
 244     }
 245     return size;
 246 }
 247
 248 int IconsViewSettingsPage::sliderValue(int iconSize) const
 249 {
 250     int value = 0;
 251     switch (iconSize) {
 252         case K3Icon::SizeSmall: value = 0; break;
 253         case K3Icon::SizeSmallMedium: value = 1; break;
 254         case K3Icon::SizeMedium: value = 2; break;
 255         case K3Icon::SizeLarge: value = 3; break;
 256         case K3Icon::SizeHuge: value = 4; break;
 257         case K3Icon::SizeEnormous: value = 5; break;
 258         default: break;
 259     }
 260     return value;
 261 }
 262
 263 void IconsViewSettingsPage::adjustTextWidthSelection()
 264 {
 265     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 266     assert(settings != 0);
 267     //m_textWidthBox->setCurrentIndex(DolphinSettings::instance().textWidthHint());
 268 }
 269
 270 #include "iconsviewsettingspage.moc"