src/settings/viewmodes/iconsizegroupbox.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 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 "iconsizegroupbox.h"
  21
  22 #include <KLocale>
  23
  24 #include <QApplication>
  25 #include <QGridLayout>
  26 #include <QHelpEvent>
  27 #include <QLabel>
  28 #include <QPoint>
  29 #include <QRect>
  30 #include <QSlider>
  31
  32 #include <views/zoomlevelinfo.h>
  33
  34 IconSizeGroupBox::IconSizeGroupBox(QWidget* parent) :
  35     QGroupBox(i18nc("@title:group", "Icon Size"), parent),
  36     m_defaultSizeSlider(0),
  37     m_previewSizeSlider(0)
  38 {
  39     QLabel* defaultLabel = new QLabel(i18nc("@label:listbox", "Default:"), this);
  40     m_defaultSizeSlider = new QSlider(Qt::Horizontal, this);
  41     m_defaultSizeSlider->setPageStep(1);
  42     m_defaultSizeSlider->setTickPosition(QSlider::TicksBelow);
  43     connect(m_defaultSizeSlider, SIGNAL(valueChanged(int)),
  44             this, SLOT(slotDefaultSliderMoved(int)));
  45
  46     QLabel* previewLabel = new QLabel(i18nc("@label:listbox", "Preview:"), this);
  47     m_previewSizeSlider = new QSlider(Qt::Horizontal, this);
  48     m_previewSizeSlider->setPageStep(1);
  49     m_previewSizeSlider->setTickPosition(QSlider::TicksBelow);
  50     connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
  51             this, SLOT(slotPreviewSliderMoved(int)));
  52
  53     QGridLayout* layout = new QGridLayout(this);
  54     layout->addWidget(defaultLabel, 0, 0, Qt::AlignRight);
  55     layout->addWidget(m_defaultSizeSlider, 0, 1);
  56     layout->addWidget(previewLabel, 1, 0, Qt::AlignRight);
  57     layout->addWidget(m_previewSizeSlider, 1, 1);
  58 }
  59
  60 IconSizeGroupBox::~IconSizeGroupBox()
  61 {
  62 }
  63
  64 void IconSizeGroupBox::setDefaultSizeRange(int min, int max)
  65 {
  66     m_defaultSizeSlider->setRange(min, max);
  67 }
  68
  69 void IconSizeGroupBox::setPreviewSizeRange(int min, int max)
  70 {
  71     m_previewSizeSlider->setRange(min, max);
  72 }
  73
  74 void IconSizeGroupBox::setDefaultSizeValue(int value)
  75 {
  76     m_defaultSizeSlider->setValue(value);
  77 }
  78
  79 int IconSizeGroupBox::defaultSizeValue() const
  80 {
  81     return m_defaultSizeSlider->value();
  82 }
  83
  84 void IconSizeGroupBox::setPreviewSizeValue(int value)
  85 {
  86     m_previewSizeSlider->setValue(value);
  87 }
  88
  89 int IconSizeGroupBox::previewSizeValue() const
  90 {
  91     return m_previewSizeSlider->value();
  92 }
  93
  94 void IconSizeGroupBox::slotDefaultSliderMoved(int value)
  95 {
  96     showToolTip(m_defaultSizeSlider, value);
  97     emit defaultSizeChanged(value);
  98 }
  99
 100 void IconSizeGroupBox::slotPreviewSliderMoved(int value)
 101 {
 102     showToolTip(m_previewSizeSlider, value);
 103     emit previewSizeChanged(value);
 104 }
 105
 106 void IconSizeGroupBox::showToolTip(QSlider* slider, int value)
 107 {
 108     const int size = ZoomLevelInfo::iconSizeForZoomLevel(value);
 109     slider->setToolTip(i18ncp("@info:tooltip", "Size: 1 pixel", "Size: %1 pixels", size));
 110     if (!slider->isVisible()) {
 111         return;
 112     }
 113     QPoint global = slider->rect().topLeft();
 114     global.ry() += slider->height() / 2;
 115     QHelpEvent toolTipEvent(QEvent::ToolTip, QPoint(0, 0), slider->mapToGlobal(global));
 116     QApplication::sendEvent(slider, &toolTipEvent);
 117 }
 118
 119 #include "iconsizegroupbox.moc"