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
  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 <qfontcombobox.h>
  30 #include <kdialog.h>
  31 #include <klocale.h>
  32 #include <assert.h>
  33 #include <kvbox.h>
  34
  35 #include "iconsmodesettings.h"
  36 #include "dolphinsettings.h"
  37 #include "pixmapviewer.h"
  38
  39 #define GRID_SPACING_BASE 8
  40 #define GRID_SPACING_INC 12
  41
  42 IconsViewSettingsPage::IconsViewSettingsPage(QWidget* parent) :
  43     KVBox(parent),
  44     m_iconSizeSlider(0),
  45     m_previewSizeSlider(0),
  46     m_textWidthBox(0),
  47     m_gridSpacingBox(0),
  48     m_fontFamilyBox(0),
  49     m_fontSizeBox(0),
  50     m_textlinesCountBox(0),
  51     m_arrangementBox(0)
  52 {
  53     const int spacing = KDialog::spacingHint();
  54     const int margin = KDialog::marginHint();
  55     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  56
  57     setSpacing(spacing);
  58     setMargin(margin);
  59
  60     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
  61     assert(settings != 0);
  62
  63     KHBox* sizesLayout = new KHBox(this);
  64     sizesLayout->setSpacing(spacing);
  65     sizesLayout->setSizePolicy(sizePolicy);
  66
  67     // create 'Icon Size' group including slider and preview
  68     Q3GroupBox* iconSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Icon Size"), sizesLayout);
  69     iconSizeGroup->setSizePolicy(sizePolicy);
  70     iconSizeGroup->setMargin(margin);
  71
  72     const QColor iconBackgroundColor(KGlobalSettings::baseColor());
  73
  74     KHBox* iconSizeVBox = new KHBox(iconSizeGroup);
  75     iconSizeVBox->setSpacing(spacing);
  76     new QLabel(i18n("Small"), iconSizeVBox);
  77     m_iconSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, iconSizeVBox);
  78     m_iconSizeSlider->setValue(sliderValue(settings->iconSize()));
  79     m_iconSizeSlider->setTickmarks(QSlider::TicksBelow);
  80     connect(m_iconSizeSlider, SIGNAL(valueChanged(int)),
  81             this, SLOT(slotIconSizeChanged(int)));
  82     new QLabel(i18n("Large"), iconSizeVBox);
  83
  84     m_iconSizeViewer = new PixmapViewer(iconSizeGroup);
  85     m_iconSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
  86     m_iconSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
  87     m_iconSizeViewer->setEraseColor(iconBackgroundColor);
  88     slotIconSizeChanged(m_iconSizeSlider->value());
  89
  90     // create 'Preview Size' group including slider and preview
  91     Q3GroupBox* previewSizeGroup = new Q3GroupBox(2, Qt::Vertical, i18n("Preview Size"), sizesLayout);
  92     previewSizeGroup->setSizePolicy(sizePolicy);
  93     previewSizeGroup->setMargin(margin);
  94
  95     KHBox* previewSizeVBox = new KHBox(previewSizeGroup);
  96     previewSizeVBox->setSpacing(spacing);
  97     new QLabel(i18n("Small"), previewSizeVBox);
  98     m_previewSizeSlider = new QSlider(0, 5, 1, 0,  Qt::Horizontal, previewSizeVBox);
  99     m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
 100     m_previewSizeSlider->setTickmarks(QSlider::TicksBelow);
 101     connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
 102             this, SLOT(slotPreviewSizeChanged(int)));
 103     new QLabel(i18n("Large"), previewSizeVBox);
 104
 105     m_previewSizeViewer = new PixmapViewer(previewSizeGroup);
 106     m_previewSizeViewer->setMinimumWidth(K3Icon::SizeEnormous);
 107     m_previewSizeViewer->setFixedHeight(K3Icon::SizeEnormous);
 108     m_previewSizeViewer->setEraseColor(iconBackgroundColor);
 109
 110     slotPreviewSizeChanged(m_previewSizeSlider->value());
 111
 112     Q3GroupBox* textGroup = new Q3GroupBox(2, Qt::Horizontal, i18n("Text"), this);
 113     textGroup->setSizePolicy(sizePolicy);
 114     textGroup->setMargin(margin);
 115
 116     new QLabel(i18n("Font family:"), textGroup);
 117     m_fontFamilyBox = new QFontComboBox(textGroup);
 118     m_fontFamilyBox->setCurrentFont(settings->fontFamily());
 119
 120     new QLabel(i18n("Font size:"), textGroup);
 121     m_fontSizeBox = new QSpinBox(6, 99, 1, textGroup);
 122     m_fontSizeBox->setValue(settings->fontSize());
 123
 124     new QLabel(i18n("Number of lines:"), textGroup);
 125     m_textlinesCountBox = new QSpinBox(1, 5, 1, textGroup);
 126     m_textlinesCountBox->setValue(settings->numberOfTexlines());
 127
 128     new QLabel(i18n("Text width:"), textGroup);
 129     m_textWidthBox = new QComboBox(textGroup);
 130     m_textWidthBox->addItem(i18n("Small"));
 131     m_textWidthBox->addItem(i18n("Medium"));
 132     m_textWidthBox->addItem(i18n("Large"));
 133
 134     Q3GroupBox* gridGroup = new Q3GroupBox(2, Qt::Horizontal, i18n("Grid"), this);
 135     gridGroup->setSizePolicy(sizePolicy);
 136     gridGroup->setMargin(margin);
 137
 138     const bool leftToRightArrangement = (settings->arrangement() == "LeftToRight");
 139     new QLabel(i18n("Arrangement:"), gridGroup);
 140     m_arrangementBox = new QComboBox(gridGroup);
 141     m_arrangementBox->addItem(i18n("Left to right"));
 142     m_arrangementBox->addItem(i18n("Top to bottom"));
 143     m_arrangementBox->setCurrentIndex(leftToRightArrangement ? 0 : 1);
 144
 145     new QLabel(i18n("Grid spacing:"), gridGroup);
 146     m_gridSpacingBox = new QComboBox(gridGroup);
 147     m_gridSpacingBox->addItem(i18n("Small"));
 148     m_gridSpacingBox->addItem(i18n("Medium"));
 149     m_gridSpacingBox->addItem(i18n("Large"));
 150     m_gridSpacingBox->setCurrentIndex((settings->gridSpacing() - GRID_SPACING_BASE) / GRID_SPACING_INC);
 151
 152     // Add a dummy widget with no restriction regarding
 153     // a vertical resizing. This assures that the dialog layout
 154     // is not stretched vertically.
 155     new QWidget(this);
 156
 157     adjustTextWidthSelection();
 158 }
 159
 160 IconsViewSettingsPage::~IconsViewSettingsPage()
 161 {
 162 }
 163
 164 void IconsViewSettingsPage::applySettings()
 165 {
 166     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 167     assert(settings != 0);
 168
 169     const int defaultSize = iconSize(m_iconSizeSlider->value());
 170     settings->setIconSize(defaultSize);
 171
 172     int previewSize = //(m_mode == DolphinIconsView::Previews) ?
 173                       //iconSize(m_previewSizeSlider->value()) :
 174                       defaultSize;
 175     if (previewSize < defaultSize) {
 176         // assure that the preview size is never smaller than the icon size
 177         previewSize = defaultSize;
 178     }
 179     settings->setPreviewSize(previewSize);
 180
 181     const int fontSize = m_fontSizeBox->value();
 182
 183     QString arrangement = (m_arrangementBox->currentIndex() == 0) ?
 184                           "LeftToRight" :
 185                           "TopToBottom";
 186     settings->setArrangement(arrangement);
 187     DolphinSettings::instance().calculateGridSize(m_textWidthBox->currentIndex());
 188
 189     settings->setFontFamily(m_fontFamilyBox->currentFont().family());
 190     settings->setFontSize(fontSize);
 191     settings->setNumberOfTexlines(m_textlinesCountBox->value());
 192
 193     settings->setGridSpacing(GRID_SPACING_BASE +
 194                              m_gridSpacingBox->currentIndex() * GRID_SPACING_INC);
 195 }
 196
 197 void IconsViewSettingsPage::slotIconSizeChanged(int value)
 198 {
 199     KIconLoader iconLoader;
 200     m_iconSizeViewer->setPixmap(iconLoader.loadIcon("folder", K3Icon::Desktop, iconSize(value)));
 201
 202     if (m_previewSizeSlider != 0) {
 203         int previewSizeValue = m_previewSizeSlider->value();
 204         if (previewSizeValue < value) {
 205             // assure that the preview size is never smaller than the icon size
 206             previewSizeValue = value;
 207         }
 208         slotPreviewSizeChanged(previewSizeValue);
 209     }
 210 }
 211
 212 void IconsViewSettingsPage::slotPreviewSizeChanged(int value)
 213 {
 214     KIconLoader iconLoader;
 215     const int iconSizeValue = m_iconSizeSlider->value();
 216     if (value < iconSizeValue) {
 217         // assure that the preview size is never smaller than the icon size
 218         value = iconSizeValue;
 219     }
 220     m_previewSizeViewer->setPixmap(iconLoader.loadIcon("preview", K3Icon::Desktop, iconSize(value)));
 221 }
 222
 223 int IconsViewSettingsPage::iconSize(int sliderValue) const
 224 {
 225     int size = K3Icon::SizeMedium;
 226     switch (sliderValue) {
 227         case 0: size = K3Icon::SizeSmall; break;
 228         case 1: size = K3Icon::SizeSmallMedium; break;
 229         case 2: size = K3Icon::SizeMedium; break;
 230         case 3: size = K3Icon::SizeLarge; break;
 231         case 4: size = K3Icon::SizeHuge; break;
 232         case 5: size = K3Icon::SizeEnormous; break;
 233     }
 234     return size;
 235 }
 236
 237 int IconsViewSettingsPage::sliderValue(int iconSize) const
 238 {
 239     int value = 0;
 240     switch (iconSize) {
 241         case K3Icon::SizeSmall: value = 0; break;
 242         case K3Icon::SizeSmallMedium: value = 1; break;
 243         case K3Icon::SizeMedium: value = 2; break;
 244         case K3Icon::SizeLarge: value = 3; break;
 245         case K3Icon::SizeHuge: value = 4; break;
 246         case K3Icon::SizeEnormous: value = 5; break;
 247         default: break;
 248     }
 249     return value;
 250 }
 251
 252 void IconsViewSettingsPage::adjustTextWidthSelection()
 253 {
 254     IconsModeSettings* settings = DolphinSettings::instance().iconsModeSettings();
 255     assert(settings != 0);
 256     m_textWidthBox->setCurrentIndex(DolphinSettings::instance().textWidthHint());
 257 }
 258
 259 #include "iconsviewsettingspage.moc"