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historyview.cpp
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historyview.cpp
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#include "historyview.h"
#include "keycodes.h"
#include <QAction>
#include <QKeyEvent>
#include <QScrollBar>
#include <QLabel>
HistoryView::HistoryView(QWidget *parent, QWebHistory *webHistory) :
QWidget(parent)
{
history = webHistory;
mainLayaut = new QVBoxLayout;
historyList = new QListWidget(this);
historyList->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
historyList->setAutoScroll(true);
historyList->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
historyList->setSpacing(2);
QLabel *title = new QLabel(QString("Historia odwiedzanych stron"), this);
title->setFocusPolicy(Qt::NoFocus);
title->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
title->setFixedHeight(20);
QFont titleFont;
titleFont.setPointSize(8);
title->setFont(titleFont);
mainLayaut->setSpacing(0);
mainLayaut->setMargin(0);
mainLayaut->addWidget(title);
mainLayaut->addWidget(historyList);
this->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
this->setLayout(mainLayaut);
this->setupActions();
}
HistoryView::~HistoryView()
{
delete historyList;
delete mainLayaut;
}
void HistoryView::setupActions()
{
QAction *selectAction = new QAction(QString("Wybierz"), this);
selectAction->setSoftKeyRole(QAction::PositiveSoftKey);
this->addAction(selectAction);
QAction *backAction = new QAction(QString("Wstecz"), this);
backAction->setSoftKeyRole(QAction::NegativeSoftKey);
this->addAction(backAction);
connect(selectAction, SIGNAL(triggered()), SLOT(selectItem()));
connect(backAction, SIGNAL(triggered()), SLOT(goBack()));
connect(historyList, SIGNAL(itemActivated(QListWidgetItem*)), SLOT(selectItem(QListWidgetItem*)));
connect(this, SIGNAL(itemSelected(QUrl)), SLOT(goBack()));
connect(this, SIGNAL(rightSoftKeyPressed()), SLOT(goBack()));
connect(this, SIGNAL(leftSoftKeyPressed()), SLOT(selectItem()));
}
void HistoryView::loadList()
{
foreach(QWebHistoryItem historyItem, history->items())
{
QListWidgetItem *listItem = new QListWidgetItem(historyItem.icon(), historyItem.title() +
"\n" + historyItem.url().toString());
historyList->insertItem(0, listItem);
}
}
void HistoryView::selectItem(QListWidgetItem *item)
{
QStringList url;
url = item->text().split("\n");
emit itemSelected(QUrl(url.at(1)));
}
void HistoryView::selectItem()
{
if(historyList->count() != 0)
this->selectItem(historyList->currentItem());
}
void HistoryView::goBack()
{
emit aboutToHide();
historyList->clear();
}
void HistoryView::showHistory()
{
this->loadList();
this->show();
historyList->setFocus();
}
void HistoryView::keyPressEvent(QKeyEvent *key)
{
switch(key->nativeVirtualKey())
{
case KEY_LEFT_ARROW:
sliderValueH = historyList->horizontalScrollBar()->value() - 50;
historyList->horizontalScrollBar()->setValue(sliderValueH);
break;
case KEY_RIGHT_ARROW:
sliderValueH = historyList->horizontalScrollBar()->value() + 50;
historyList->horizontalScrollBar()->setValue(sliderValueH);
break;
case KEY_LEFT_SOFTKEY:
emit leftSoftKeyPressed();
break;
case KEY_RIGHT_SOFTKEY:
emit rightSoftKeyPressed();
break;
default:
break;
}
}