--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbwidgets/sliders/hbslidertickmarks.cpp Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,332 @@
+/****************************************************************************
+**
+** 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 "hbslidertickmarks_p.h"
+#include "hbwidget_p.h"
+#include "hbslidercontrol_p.h"
+#include "hbsliderhandle_p.h"
+#include <hbstyle.h>
+#include <hbstyleoptionslider.h>
+#include <hbstyle.h>
+#include <hbapplication.h>
+#include <hbiconitem.h>
+#include <QList>
+
+
+
+
+
+
+class HbSliderTickmarksPrivate : public HbWidgetPrivate
+{
+ Q_DECLARE_PUBLIC( HbSliderTickmarks )
+
+public:
+ HbSliderTickmarksPrivate();
+ void createTicks( );
+ void updateTickSize( );
+ HbStyleOptionSlider sliderOption;
+ QList<QGraphicsWidget *> tickmarkmajorIcons;
+ QList<QGraphicsWidget *> tickmarkminorIcons;
+ HbSliderControl *sliderControl;
+ Hb::SliderTickPositions tickPosition;
+ bool createIcons;
+ int majorTickWidth;
+ int minorTickWidth;
+ int majorTickHeight;
+ int minorTickHeight;
+};
+
+
+ HbSliderTickmarksPrivate::HbSliderTickmarksPrivate() :HbWidgetPrivate(){
+ tickmarkmajorIcons.clear();
+ tickmarkminorIcons.clear();
+ sliderControl = 0;
+ tickPosition = Hb::NoSliderTicks;
+ createIcons = true;
+ majorTickWidth = 0;
+ minorTickWidth = 0;
+ majorTickHeight = 0;
+ minorTickHeight = 0;
+}
+
+
+void HbSliderTickmarksPrivate::createTicks( )
+{
+ Q_Q ( HbSliderTickmarks );
+ if(!createIcons){
+ return;
+ }
+ int minimum = sliderControl->minimum();
+ int maximum = sliderControl->maximum();
+ int majorTickInterval = sliderControl->majorTickInterval ( );
+ int minorTickInterval = sliderControl->minorTickInterval ( );
+ if (majorTickInterval) {
+ int totalMajorTicks = ((maximum-minimum)/majorTickInterval)+1;
+ int majorIconListLength = tickmarkmajorIcons.length();
+ for (int i=majorIconListLength;i<totalMajorTicks;i++) {
+ QGraphicsItem *iconItem = q->style()->createPrimitive(HbStyle::P_SliderTickMark_majoricon, q);
+ Q_ASSERT(iconItem->isWidget());
+ tickmarkmajorIcons.append(static_cast<QGraphicsWidget *>(iconItem));//add newly defind primitive
+ }
+ while ( totalMajorTicks < tickmarkmajorIcons.length() ) {
+ QGraphicsWidget *iconItem = tickmarkmajorIcons.at(totalMajorTicks);
+ tickmarkmajorIcons.removeAll(iconItem);
+ delete iconItem;
+ }
+ }
+ if ( minorTickInterval > 0) {
+ int totalMinorTicks = ((maximum-minimum)/minorTickInterval)+1;
+ if ( majorTickInterval ) {
+ int maximumMinorTicks = totalMinorTicks;
+ for (int i=0;i< maximumMinorTicks;i++ ) {
+ if ((i*minorTickInterval)%majorTickInterval==0) {
+ totalMinorTicks--;
+ }
+ }
+ }
+ int minorIconListLength = tickmarkminorIcons.length();
+ for (int i=minorIconListLength;i<totalMinorTicks;i++) {
+ QGraphicsItem *iconItem = q->style()->createPrimitive(HbStyle::P_SliderTickMark_minoricon, q);
+ Q_ASSERT(iconItem->isWidget());
+ tickmarkminorIcons.append(static_cast<QGraphicsWidget *>(iconItem));//add newly defind primitive
+ }
+ while (totalMinorTicks < tickmarkminorIcons.length() ){
+ QGraphicsWidget *iconItem = tickmarkminorIcons.at(totalMinorTicks);
+ tickmarkminorIcons.removeAll(iconItem);
+ delete iconItem;
+ }
+ } else {
+ while (tickmarkminorIcons.length() > 0 ){
+ QGraphicsWidget *iconItem = tickmarkminorIcons.at(0);
+ tickmarkminorIcons.removeAll(iconItem);
+ delete iconItem;
+ }
+ }
+ q->setProperty("state", "normal");
+}
+
+void HbSliderTickmarksPrivate::updateTickSize()
+{
+ for(int i=0;i<tickmarkmajorIcons.length();i++) {
+ tickmarkmajorIcons.at(i)->setMinimumSize(majorTickWidth,majorTickHeight);
+ tickmarkmajorIcons.at(i)->setMaximumSize(majorTickWidth,majorTickHeight);
+ }
+ for(int i=0;i<tickmarkminorIcons.length();i++) {
+ tickmarkminorIcons.at(i)->setMinimumSize(minorTickWidth,minorTickHeight);
+ tickmarkminorIcons.at(i)->setMaximumSize(minorTickWidth,minorTickHeight);
+ }
+
+
+}
+
+void HbSliderTickmarks::resizeEvent(QGraphicsSceneResizeEvent *event)
+{
+ Q_UNUSED (event);
+ HbWidget::resizeEvent( event );
+ repolish();
+}
+
+
+/*!
+ This class is internal to slider ,
+ this creates ticks mark widget in slider
+*/
+
+/*!
+ constructor
+*/
+HbSliderTickmarks::HbSliderTickmarks( QGraphicsItem *parent )
+ : HbWidget( *new HbSliderTickmarksPrivate, parent )
+{
+ Q_D( HbSliderTickmarks );
+ d->q_ptr = this;
+ d->sliderControl=dynamic_cast<HbSliderControl*>( parentItem() );
+ d->createTicks();
+}
+
+/*!
+ destructor
+*/
+HbSliderTickmarks::~HbSliderTickmarks()
+{
+}
+
+void HbSliderTickmarks::createIcons( bool create )
+{
+
+ Q_D(HbSliderTickmarks);
+ d->createIcons = create;
+ if (!create) {
+ while ( d->tickmarkmajorIcons.length() > 0) {
+ QGraphicsWidget *iconItem = d->tickmarkmajorIcons.at(0);
+ d->tickmarkmajorIcons.removeAll(iconItem);
+ delete iconItem;
+ }
+ while ( d->tickmarkminorIcons.length() > 0) {
+ QGraphicsWidget *iconItem = d->tickmarkminorIcons.at(0);
+ d->tickmarkminorIcons.removeAll(iconItem);
+ delete iconItem;
+ }
+ } else {
+ d->createTicks();
+ }
+ }
+/*!
+ updates the ticks whenever there is change in position or number of ticks
+*/
+
+void HbSliderTickmarks::updateTicks( )
+{
+ Q_D ( HbSliderTickmarks );
+ if(!d->createIcons) {
+ return;
+ }
+ d->createTicks();
+ d->updateTickSize();
+ 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 totalMajorTicks = ((maximum-minimum)/majorTickInterval)+1;
+ for (int i=0;i<totalMajorTicks;i++) {
+ QGraphicsWidget *iconItem = d->tickmarkmajorIcons.at ( i);
+ HbStyleOptionSlider opt;
+ initStyleOption(&opt);
+ opt.orientation = d->sliderControl->orientation();
+ style()->updatePrimitive(iconItem,HbStyle::P_SliderTickMark_majoricon,&opt);
+ int pos = QStyle::sliderPositionFromValue( minimum, maximum,
+ minimum+majorTickInterval*i,static_cast<int>( span ), rtlLayout );
+
+ if ( d->sliderControl->orientation() == Qt::Horizontal) {
+ qreal correctedPosX = handle->size().width()/2+pos;
+ qreal correctedPosY = 0;
+ iconItem->setPos ( correctedPosX,correctedPosY );
+ iconItem->update();
+ } else {
+ qreal correctedPosY = handle->size().height()/2+pos;
+ qreal correctedPosX =0;
+ iconItem->setPos ( correctedPosX,correctedPosY );
+ iconItem->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;
+ }
+ }
+ QGraphicsWidget *iconItem = d->tickmarkminorIcons.at ( minorIndex);
+ minorIndex++;
+ HbStyleOptionSlider opt;
+ initStyleOption(&opt);
+ opt.orientation = d->sliderControl->orientation();
+ style()->updatePrimitive(iconItem,HbStyle::P_SliderTickMark_minoricon,&opt);
+ 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 correctedPosY = 0;
+ iconItem->setPos ( correctedPosX,correctedPosY );
+ iconItem->update();
+
+ } else {
+ qreal correctedPosY = handle->size().height()/2+pos;
+ qreal correctedPosX =0;
+ iconItem->setPos ( correctedPosX,correctedPosY );
+ iconItem->update();
+
+ }
+ }
+ }
+ }
+
+/* !
+ Sets the position of current tick
+*/
+
+void HbSliderTickmarks::setTickPosition(Hb::SliderTickPositions position)
+{
+ Q_D(HbSliderTickmarks);
+ d->tickPosition = position;
+}
+
+
+/*!
+ \reimp
+
+ This api update the primitive when ever item enable has changed
+ */
+QVariant HbSliderTickmarks::itemChange( GraphicsItemChange change, const QVariant &value )
+{
+ switch( change )
+ {
+ case ItemChildAddedChange:
+ case ItemChildRemovedChange:
+ repolish();
+ break;
+ default:
+ break;
+ }
+ return HbWidget::itemChange( change, value );
+}
+
+
+
+void HbSliderTickmarks::polish( HbStyleParameters& params )
+{
+ Q_D (HbSliderTickmarks);
+ params.addParameter("fixed-width-major");
+ params.addParameter("fixed-height-major");
+ params.addParameter("fixed-width-minor");
+ params.addParameter("fixed-height-minor");
+ HbWidget::polish(params);
+ d->majorTickWidth = params.value("fixed-width-major").toInt();
+ d->majorTickHeight = params.value("fixed-height-major").toInt();
+ d->minorTickWidth = params.value("fixed-width-minor").toInt();
+ d->minorTickHeight = params.value("fixed-height-minor").toInt();
+ updateTicks();
+}
+
+ //end of file
+