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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "iconsviewsettingspage.h"
  22
  23 #include <qlabel.h>
  24 #include <qslider.h>
  25 #include <q3buttongroup.h>
  26 #include <qradiobutton.h>
  27 #include <qspinbox.h>
  28 #include <kiconloader.h>
  29 #include <kfontcombo.h>
  30 #include <kdialog.h>
  31 #include <klocale.h>
  32 #include <assert.h>
  33
  34 #include "iconsmodesettings.h"
  35 #include "dolphinsettings.h"
  36 #include "pixmapviewer.h"
  37
  38 #define GRID_SPACING_BASE 8
  39 #define GRID_SPACING_INC 12
  40
  41 IconsViewSettingsPage::IconsViewSettingsPage(DolphinIconsView::LayoutMode mode,
  42                                              QWidget* parent) :
  43     Q3VBox(parent),
  44     m_mode(mode),
  45     m_iconSizeSlider(0),
  46     m_previewSizeSlider(0),
  47     m_textWidthBox(0),
  48     m_gridSpacingBox(0),
  49     m_fontFamilyBox(0),
  50     m_fontSizeBox(0),
  51     m_textlinesCountBox(0),
  52     m_arrangementBox(0)
  53 {
  54     const int spacing = KDialog::spacingHint();
  55     const int margin = KDialog::marginHint();
  56     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  57
  58     setSpacing(spacing);
  59     setMargin(margin);
  60
  61     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
  62     assert(settings != 0);
  63
  64     Q3HBox* sizesLayout = new Q3HBox(this);
  65     sizesLayout->setSpacing(spacing);
  66     sizesLayout->setSizePolicy(sizePolicy);
  67
  68     // create 'Icon Size' group including slider and preview
  69     Q3GroupBox* iconSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Icon Size"), sizesLayout);
  70     iconSizeGroup->setSizePolicy(sizePolicy);
  71     iconSizeGroup->setMargin(margin);
  72
  73     const QColor iconBackgroundColor(KGlobalSettings::baseColor());
  74
  75     Q3HBox* iconSizeVBox = new Q3HBox(iconSizeGroup);
  76     iconSizeVBox->setSpacing(spacing);
  77     new QLabel(i18n("Small"), iconSizeVBox);
  78     m_iconSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, iconSizeVBox);
  79     m_iconSizeSlider->setValue(sliderValue(settings->iconSize()));
  80     m_iconSizeSlider->setTickmarks(QSlider::Below);
  81     connect(m_iconSizeSlider, SIGNAL(valueChanged(int)),
  82             this, SLOT(slotIconSizeChanged(int)));
  83     new QLabel(i18n("Large"), iconSizeVBox);
  84
  85     m_iconSizeViewer = new PixmapViewer(iconSizeGroup);
  86     m_iconSizeViewer->setMinimumWidth(KIcon::SizeEnormous);
  87     m_iconSizeViewer->setFixedHeight(KIcon::SizeEnormous);
  88     m_iconSizeViewer->setEraseColor(iconBackgroundColor);
  89     slotIconSizeChanged(m_iconSizeSlider->value());
  90
  91     if (m_mode == DolphinIconsView::Previews) {
  92         // create 'Preview Size' group including slider and preview
  93         Q3GroupBox* previewSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Preview Size"), sizesLayout);
  94         previewSizeGroup->setSizePolicy(sizePolicy);
  95         previewSizeGroup->setMargin(margin);
  96
  97         Q3HBox* previewSizeVBox = new Q3HBox(previewSizeGroup);
  98         previewSizeVBox->setSpacing(spacing);
  99         new QLabel(i18n("Small"), previewSizeVBox);
 100         m_previewSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, previewSizeVBox);
 101         m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
 102         m_previewSizeSlider->setTickmarks(QSlider::Below);
 103         connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
 104                 this, SLOT(slotPreviewSizeChanged(int)));
 105         new QLabel(i18n("Large"), previewSizeVBox);
 106
 107         m_previewSizeViewer = new PixmapViewer(previewSizeGroup);
 108         m_previewSizeViewer->setMinimumWidth(KIcon::SizeEnormous);
 109         m_previewSizeViewer->setFixedHeight(KIcon::SizeEnormous);
 110         m_previewSizeViewer->setEraseColor(iconBackgroundColor);
 111
 112         slotPreviewSizeChanged(m_previewSizeSlider->value());
 113     }
 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 KFontCombo(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->insertItem(i18n("Small"));
 134     m_textWidthBox->insertItem(i18n("Medium"));
 135     m_textWidthBox->insertItem(i18n("Large"));
 136
 137     Q3GroupBox* gridGroup = new Q3GroupBox(2, Qt::Horizontal, i18n("Grid"), this);
 138     gridGroup->setSizePolicy(sizePolicy);
 139     gridGroup->setMargin(margin);
 140
 141     const bool leftToRightArrangement = (settings->arrangement() == Q3IconView::LeftToRight);
 142     new QLabel(i18n("Arrangement:"), gridGroup);
 143     m_arrangementBox = new QComboBox(gridGroup);
 144     m_arrangementBox->insertItem(i18n("Left to right"));
 145     m_arrangementBox->insertItem(i18n("Top to bottom"));
 146     m_arrangementBox->setCurrentItem(leftToRightArrangement ? 0 : 1);
 147
 148     new QLabel(i18n("Grid spacing:"), gridGroup);
 149     m_gridSpacingBox = new QComboBox(gridGroup);
 150     m_gridSpacingBox->insertItem(i18n("Small"));
 151     m_gridSpacingBox->insertItem(i18n("Medium"));
 152     m_gridSpacingBox->insertItem(i18n("Large"));
 153     m_gridSpacingBox->setCurrentItem((settings->gridSpacing() - GRID_SPACING_BASE) / GRID_SPACING_INC);
 154
 155     // Add a dummy widget with no restriction regarding
 156     // a vertical resizing. This assures that the dialog layout
 157     // is not stretched vertically.
 158     new QWidget(this);
 159
 160     adjustTextWidthSelection();
 161 }
 162
 163 IconsViewSettingsPage::~IconsViewSettingsPage()
 164 {
 165 }
 166
 167 void IconsViewSettingsPage::applySettings()
 168 {
 169     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 170     assert(settings != 0);
 171
 172     const int defaultSize = iconSize(m_iconSizeSlider->value());
 173     settings->setIconSize(defaultSize);
 174
 175     int previewSize = (m_mode == DolphinIconsView::Previews) ?
 176                       iconSize(m_previewSizeSlider->value()) :
 177                       defaultSize;
 178     if (previewSize < defaultSize) {
 179         // assure that the preview size is never smaller than the icon size
 180         previewSize = defaultSize;
 181     }
 182     settings->setPreviewSize(previewSize);
 183
 184     const int fontSize = m_fontSizeBox->value();
 185
 186     QString arrangement = (m_arrangementBox->currentItem() == 0) ?
 187                           "LeftToRight" :
 188                           "TopToBottom";
 189     settings->setArrangement(arrangement);
 190     DolphinSettings::instance().calculateGridSize(m_textWidthBox->currentItem());
 191
 192     settings->setFontFamily(m_fontFamilyBox->currentFont());
 193     settings->setFontSize(fontSize);
 194     settings->setNumberOfTexlines(m_textlinesCountBox->value());
 195
 196     settings->setGridSpacing(GRID_SPACING_BASE +
 197                              m_gridSpacingBox->currentItem() * GRID_SPACING_INC);
 198 }
 199
 200 void IconsViewSettingsPage::slotIconSizeChanged(int value)
 201 {
 202     KIconLoader iconLoader;
 203     m_iconSizeViewer->setPixmap(iconLoader.loadIcon("folder", KIcon::Desktop, iconSize(value)));
 204
 205     if (m_previewSizeSlider != 0) {
 206         int previewSizeValue = m_previewSizeSlider->value();
 207         if (previewSizeValue < value) {
 208             // assure that the preview size is never smaller than the icon size
 209             previewSizeValue = value;
 210         }
 211         slotPreviewSizeChanged(previewSizeValue);
 212     }
 213 }
 214
 215 void IconsViewSettingsPage::slotPreviewSizeChanged(int value)
 216 {
 217     KIconLoader iconLoader;
 218     const int iconSizeValue = m_iconSizeSlider->value();
 219     if (value < iconSizeValue) {
 220         // assure that the preview size is never smaller than the icon size
 221         value = iconSizeValue;
 222     }
 223     m_previewSizeViewer->setPixmap(iconLoader.loadIcon("preview", KIcon::Desktop, iconSize(value)));
 224 }
 225
 226 int IconsViewSettingsPage::iconSize(int sliderValue) const
 227 {
 228     int size = KIcon::SizeMedium;
 229     switch (sliderValue) {
 230         case 0: size = KIcon::SizeSmall; break;
 231         case 1: size = KIcon::SizeSmallMedium; break;
 232         case 2: size = KIcon::SizeMedium; break;
 233         case 3: size = KIcon::SizeLarge; break;
 234         case 4: size = KIcon::SizeHuge; break;
 235         case 5: size = KIcon::SizeEnormous; break;
 236     }
 237     return size;
 238 }
 239
 240 int IconsViewSettingsPage::sliderValue(int iconSize) const
 241 {
 242     int value = 0;
 243     switch (iconSize) {
 244         case KIcon::SizeSmall: value = 0; break;
 245         case KIcon::SizeSmallMedium: value = 1; break;
 246         case KIcon::SizeMedium: value = 2; break;
 247         case KIcon::SizeLarge: value = 3; break;
 248         case KIcon::SizeHuge: value = 4; break;
 249         case KIcon::SizeEnormous: value = 5; break;
 250         default: break;
 251     }
 252     return value;
 253 }
 254
 255 void IconsViewSettingsPage::adjustTextWidthSelection()
 256 {
 257     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 258     assert(settings != 0);
 259     m_textWidthBox->setCurrentItem(DolphinSettings::instance().textWidthHint());
 260 }
 261
 262 #include "iconsviewsettingspage.moc"