--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbwidgets/sliders/hbslidertickmarkslabel.cpp Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,429 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbWidgets module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#include "hbslidertickmarkslabel_p.h"
+#include "hbslidercontrol_p.h"
+#include "hbsliderhandle_p.h"
+#include "hbwidget_p.h"
+#include <hbinstance.h>
+#include <hbstyle.h>
+#include <hbstyleoptionslider.h>
+#include <hbapplication.h>
+#include <hbtextitem.h>
+#include <QList>
+#include <QStringList>
+
+
+class HbSliderTickmarksLabelPrivate : public HbWidgetPrivate
+{
+ Q_DECLARE_PUBLIC( HbSliderTickmarksLabel )
+
+public:
+ HbSliderTickmarksLabelPrivate();
+ void createTickLabels( );
+ HbStyleOptionSlider sliderOption;
+ QList<QGraphicsWidget *> tickmarkmajorIconItemsLabel;
+ QList<QGraphicsWidget *> tickmarkminorIconItemsLabel;
+ HbSliderControl *sliderControl;
+ Hb::SliderTickPositions tickPosition;
+ bool createText;
+
+};
+
+
+ HbSliderTickmarksLabelPrivate::HbSliderTickmarksLabelPrivate() :HbWidgetPrivate(){
+ tickmarkmajorIconItemsLabel.clear();
+ tickmarkminorIconItemsLabel.clear();
+ sliderControl = 0;
+ tickPosition = Hb::NoSliderTicks;
+ createText = true;
+
+
+}
+
+
+void HbSliderTickmarksLabelPrivate::createTickLabels( )
+{
+ Q_Q ( HbSliderTickmarksLabel );
+ if (!createText) {
+ return;
+ }
+
+ int minimum = sliderControl->minimum();
+ int maximum = sliderControl->maximum();
+ QStringList majorLabelList = sliderControl->majorTickLabels( );
+ QStringList minorLabelList = sliderControl->minorTickLabels( );
+ int majorTickInterval = sliderControl->majorTickInterval ( );
+ int minorTickInterval = sliderControl->minorTickInterval ( );
+ if (majorTickInterval) {
+ int totalMajorTicksLabel = ((maximum-minimum)/majorTickInterval)+1;
+ if (majorLabelList.length( ) < totalMajorTicksLabel ) {
+ totalMajorTicksLabel = majorLabelList.length( );
+ }
+ int majorLabelListLength = tickmarkmajorIconItemsLabel.length();
+ for (int i=majorLabelListLength;i<totalMajorTicksLabel;i++) {
+ QGraphicsItem *textItem = q->style()->createPrimitive(HbStyle::P_SliderTickMark_majorlabel, q);
+ Q_ASSERT(textItem->isWidget());
+ tickmarkmajorIconItemsLabel.append(static_cast<QGraphicsWidget *>(textItem));//add newly defind primitive
+ }
+ while ( totalMajorTicksLabel < tickmarkmajorIconItemsLabel.length() ) {
+ QGraphicsWidget *textItem = tickmarkmajorIconItemsLabel.at(totalMajorTicksLabel);
+ tickmarkmajorIconItemsLabel.removeAll(textItem);
+ delete textItem;
+ }
+ }
+ if ( minorTickInterval > 0) {
+ int totalMinorTicksLabel = ((maximum-minimum)/minorTickInterval)+1;
+ if ( majorTickInterval ) {
+ int maximumMinorTicksLabel = totalMinorTicksLabel;
+ for (int i=0;i< maximumMinorTicksLabel;i++ ) {
+ if ((i*minorTickInterval)%majorTickInterval==0) {
+ totalMinorTicksLabel--;
+ }
+ }
+ }
+ if (minorLabelList.length( ) < totalMinorTicksLabel ) {
+ totalMinorTicksLabel = minorLabelList.length( );
+ }
+
+ int minorIconLabelListLength = tickmarkminorIconItemsLabel.length();
+ for (int i=minorIconLabelListLength;i<totalMinorTicksLabel;i++) {
+ QGraphicsItem *textItem = q->style()->createPrimitive(HbStyle::P_SliderTickMark_minorlabel, q);
+ Q_ASSERT(textItem->isWidget());
+ tickmarkminorIconItemsLabel.append(static_cast<QGraphicsWidget *>(textItem));//add newly defind primitive
+ }
+ while (totalMinorTicksLabel < tickmarkminorIconItemsLabel.length() ){
+ QGraphicsWidget *textItem = tickmarkminorIconItemsLabel.at(totalMinorTicksLabel);
+ tickmarkminorIconItemsLabel.removeAll(textItem);
+ delete textItem;
+ }
+ }else {
+ while (tickmarkminorIconItemsLabel.length() > 0){
+ QGraphicsWidget *textItem = tickmarkminorIconItemsLabel.at(0);
+ tickmarkminorIconItemsLabel.removeAll(textItem);
+ delete textItem;
+ }
+ }
+ q->setProperty("state","normal");
+}
+
+void HbSliderTickmarksLabel::resizeEvent(QGraphicsSceneResizeEvent *event)
+{
+ Q_UNUSED (event);
+ repolish ( );
+ updateTickLabels();
+ HbWidget::resizeEvent(event);
+}
+
+void HbSliderTickmarksLabel::updateTickLabels( )
+{
+ Q_D ( HbSliderTickmarksLabel );
+ if (!d->createText) {
+ return;
+ }
+ d->createTickLabels();
+ setLabelSize( );
+ int minimum = d->sliderControl->minimum();
+ int maximum = d->sliderControl->maximum();
+ int majorTickInterval = d->sliderControl->majorTickInterval ( );
+ int minorTickInterval = d->sliderControl->minorTickInterval ( );
+ qreal span = 0;
+ bool rtlLayout = (((d->sliderControl->orientation( ) != Qt::Vertical)
+ &&(HbApplication::layoutDirection() == Qt::LeftToRight))?false:true);
+ HbSliderHandle *handle = dynamic_cast <HbSliderHandle *> (d->sliderControl->primitive (HbStyle::P_Slider_thumb));
+ if ( d->sliderControl->orientation() == Qt::Horizontal) {
+ span = d->sliderControl->size().width();
+ span-=handle->size().width();
+ }
+ if ( d->sliderControl->orientation() == Qt::Vertical) {
+ span = d->sliderControl->size().height();
+ span-=handle->size().height();
+ }
+ if (majorTickInterval) {
+ int totalMajorTicksLabel = d->tickmarkmajorIconItemsLabel.length();
+ for (int i=0;i<totalMajorTicksLabel;i++) {
+ QGraphicsWidget *textItem = d->tickmarkmajorIconItemsLabel.at ( i);
+ int pos = QStyle::sliderPositionFromValue( minimum, maximum,
+ minimum+majorTickInterval*i,static_cast<int>( span ), rtlLayout );
+
+ if ( d->sliderControl->orientation() == Qt::Horizontal) {
+ textItem->setPreferredHeight(boundingRect().height());
+ textItem->update();
+ qreal correctedPosX = handle->size().width()/2+pos;
+ qreal tickWidth = textItem->boundingRect().size().width();
+ correctedPosX -= tickWidth/2;
+ qreal correctedPosY = 0;
+ textItem->setPos( correctedPosX,correctedPosY );
+ } else {
+ qreal correctedPosY = handle->size().height()/2+pos;
+ qreal tickHeight = textItem->boundingRect().size().height();
+ correctedPosY-=tickHeight/2;
+ qreal correctedPosX =0;
+ textItem->setPos ( correctedPosX,correctedPosY );
+ textItem->setLayoutDirection (layoutDirection());
+ }
+ }
+ }
+ if (minorTickInterval) {
+ int totalminorTicks = ((maximum-minimum)/minorTickInterval)+1;
+ int minorIndex = 0;
+ for (int i=0;i<totalminorTicks;i++) {
+ if (majorTickInterval ) {
+ if (i*minorTickInterval%majorTickInterval== 0) {
+ continue;
+ }
+ }
+ if ( minorIndex >= d->tickmarkminorIconItemsLabel.length() ) {
+ continue;
+ } else {
+ QGraphicsWidget *textItem = d->tickmarkminorIconItemsLabel.at ( minorIndex);
+ HbStyleOptionSlider opt;
+ initStyleOption(&opt);
+ opt.orientation = d->sliderControl->orientation();
+ opt.text = (d->sliderControl->minorTickLabels( )).at(minorIndex);
+ style()->updatePrimitive(textItem,HbStyle::P_SliderTickMark_minorlabel,&opt);
+ minorIndex++;
+ int pos = QStyle::sliderPositionFromValue( minimum, maximum,
+ minimum+minorTickInterval*i,static_cast<int>( span ), rtlLayout );
+ if ( d->sliderControl->orientation() == Qt::Horizontal) {
+ qreal correctedPosX = handle->size().width()/2+pos;
+ qreal tickWidth = textItem->boundingRect().size().width();
+ correctedPosX -= tickWidth/2;
+ qreal correctedPosY = 0;
+ textItem->setPos ( correctedPosX,correctedPosY );
+ } else {
+ qreal correctedPosY = handle->size().height()/2+pos;
+ qreal tickHeight = textItem->boundingRect().size().height();
+ correctedPosY-=tickHeight/2;
+ textItem->setLayoutDirection (layoutDirection());
+ qreal correctedPosX =0;
+ textItem->setPos ( correctedPosX,correctedPosY );
+ }
+ }
+ }
+ }
+ }
+
+
+
+ void HbSliderTickmarksLabel::setTickPosition(Hb::SliderTickPositions position)
+{
+ Q_D(HbSliderTickmarksLabel);
+ d->tickPosition = position;
+ if( d->tickPosition & Hb::SliderTicksLeft ) {
+ setProperty("TicksLeft",true);
+ setProperty("TicksRight",false);
+ }
+ else if(d->tickPosition & Hb::SliderTicksRight) {
+ setProperty("TicksRight",true);
+ setProperty("TicksLeft",false);
+ }
+}
+
+
+/*!
+ This class is internal to slider ,
+ this creates ticks mark label widget in slider
+*/
+
+/*!
+ constructor
+*/
+HbSliderTickmarksLabel::HbSliderTickmarksLabel( QGraphicsItem *parent )
+ : HbWidget( *new HbSliderTickmarksLabelPrivate, parent )
+{
+ Q_D( HbSliderTickmarksLabel );
+ d->q_ptr = this;
+ d->sliderControl=dynamic_cast<HbSliderControl*>( parentItem() );
+ d->createTickLabels();
+}
+
+/*!
+ destructor
+*/
+HbSliderTickmarksLabel::~HbSliderTickmarksLabel()
+{
+}
+
+void HbSliderTickmarksLabel::setLabelSize()
+{
+ Q_D (HbSliderTickmarksLabel);
+
+ int minimum = d->sliderControl->minimum();
+ int maximum = d->sliderControl->maximum();
+ int majorTickInterval = d->sliderControl->majorTickInterval ( );
+ int minorTickInterval = d->sliderControl->minorTickInterval ( );
+ qreal span = 0;
+ bool rtlLayout = (((d->sliderControl->orientation( ) != Qt::Vertical)
+ &&(HbApplication::layoutDirection() == Qt::LeftToRight))?false:true);
+ HbSliderHandle *handle = dynamic_cast <HbSliderHandle *> (d->sliderControl->primitive (HbStyle::P_Slider_thumb));
+ if ( d->sliderControl->orientation() == Qt::Horizontal) {
+ span = d->sliderControl->size().width();
+ span-=handle->size().width();
+ }
+ if ( d->sliderControl->orientation() == Qt::Vertical) {
+ span = d->sliderControl->size().height();
+ span-=handle->size().height();
+ }
+ int minPos = QStyle::sliderPositionFromValue( minimum, maximum,
+ minimum,static_cast<int>( span ), rtlLayout );
+ int firstMajorIntervalPos = QStyle::sliderPositionFromValue( minimum, maximum,
+ minimum+majorTickInterval,static_cast<int>( span ), rtlLayout );
+
+ int firstMinorIntervalPos = QStyle::sliderPositionFromValue( minimum, maximum,
+ minimum+minorTickInterval,static_cast<int>( span ), rtlLayout );
+
+ qreal totalMajorTextWidth = abs(firstMajorIntervalPos-minPos);
+ qreal totalMinorTextWidth = abs(firstMinorIntervalPos-minPos);
+
+ if (majorTickInterval) {
+ int totalMajorTicksLabel = d->tickmarkmajorIconItemsLabel.length();
+ for (int i=0;i<totalMajorTicksLabel;i++) {
+ QGraphicsWidget *textItem = d->tickmarkmajorIconItemsLabel.at ( i);
+ HbStyleOptionSlider opt;
+ initStyleOption(&opt);
+ opt.orientation = d->sliderControl->orientation();
+ opt.text = (d->sliderControl->majorTickLabels( )).at(i);
+ style()->updatePrimitive(textItem,HbStyle::P_SliderTickMark_majorlabel,&opt);
+ if ( d->sliderControl->orientation() == Qt::Horizontal) {
+ textItem->setMaximumHeight (boundingRect().height());
+ textItem->setMinimumHeight (boundingRect().height());
+ textItem->setMinimumWidth(totalMajorTextWidth);
+ textItem->setMaximumWidth(totalMajorTextWidth);
+ textItem->update();
+ } else {
+ textItem->setMinimumWidth(boundingRect().width());
+ textItem->setMaximumWidth(boundingRect().width());
+ textItem->update( );
+ }
+ }
+ }
+ if (minorTickInterval) {
+ int totalminorTicks = ((maximum-minimum)/minorTickInterval)+1;
+ int minorIndex = 0;
+ for (int i=0;i<totalminorTicks;i++) {
+ if (majorTickInterval ) {
+ if (i*minorTickInterval%majorTickInterval== 0) {
+ continue;
+ }
+ }
+ if ( minorIndex < d->tickmarkminorIconItemsLabel.length() ) {
+ QGraphicsWidget *textItem = d->tickmarkminorIconItemsLabel.at ( minorIndex);
+ minorIndex++;
+ if ( d->sliderControl->orientation() == Qt::Horizontal) {
+ textItem->setMaximumHeight (boundingRect().height());
+ textItem->setMinimumHeight (boundingRect().height());
+ textItem->setMinimumWidth(totalMinorTextWidth);
+ textItem->setMaximumWidth(totalMinorTextWidth);
+ textItem->update();
+ } else {
+ textItem->setMinimumWidth(boundingRect().width());
+ textItem->setMaximumWidth(boundingRect().width());
+ textItem->update( );
+ }
+ }
+ }
+ }
+}
+
+void HbSliderTickmarksLabel::createText(bool create)
+{
+ Q_D(HbSliderTickmarksLabel);
+ d->createText = create;
+ if (!create) {
+ while ( d->tickmarkmajorIconItemsLabel.length() > 0) {
+ QGraphicsWidget *textItem = d->tickmarkmajorIconItemsLabel.at(0);
+ d->tickmarkmajorIconItemsLabel.removeAll(textItem);
+ delete textItem;
+ }
+ while ( d->tickmarkminorIconItemsLabel.length() > 0) {
+ QGraphicsWidget *textItem = d->tickmarkminorIconItemsLabel.at(0);
+ d->tickmarkminorIconItemsLabel.removeAll(textItem);
+ delete textItem;
+ }
+ } else {
+ d->createTickLabels();
+ }
+
+
+}
+
+
+
+void HbSliderTickmarksLabel::polish( HbStyleParameters& params )
+{
+ Q_D (HbSliderTickmarksLabel);
+ d->createTickLabels();
+ if( d->sliderControl->orientation( ) == Qt::Horizontal ) {
+ setProperty("orientation",(Qt::Orientation)1);
+ } else {
+ setProperty("orientation",(Qt::Orientation)2);
+ }
+ HbWidget::polish(params);
+ updateTickLabels();
+}
+
+/*!
+ \reimp
+
+ This api update the primitive when ever item enable has changed
+ */
+QVariant HbSliderTickmarksLabel::itemChange( GraphicsItemChange change, const QVariant &value )
+{
+ switch( change )
+ {
+ case ItemChildAddedChange:
+ case ItemChildRemovedChange:
+ repolish();
+ break;
+ case ItemPositionHasChanged:
+ repolish( );
+ updateTickLabels();
+ break;
+
+ default:
+ break;
+ }
+ return HbWidget::itemChange( change, value );
+}
+
+
+void HbSliderTickmarksLabel::initStyleOption( HbStyleOptionSlider *option ) const
+{
+ Q_D( const HbSliderTickmarksLabel );
+ if ( !option ) {
+ return;
+ }
+ HbWidget::initStyleOption( option );
+ option->orientation = d->sliderControl->orientation( );
+ option->tickPosition = d->sliderControl->tickPosition( );
+ option->upsideDown = ( d->sliderControl->orientation( ) == Qt::Horizontal )
+ ? ( d->sliderControl->invertedAppearance( ) != ( option->direction == Qt::RightToLeft ) )
+ : ( !d->sliderControl->invertedAppearance( ) );
+ // we use the upsideDown option instead
+}
+
+ //end of file
+