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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QGraphicsView>
#include <QGraphicsWidget>
#include <QGraphicsLinearLayout>
#include <QList>
#include "button.h"
#include "menu.h"
#include "themeevent.h"
#include "theme.h"
static const int MinMenuItemWidth = 150;
static const int MinMenuItemHeight = 40;
Menu::Menu(QGraphicsView* parent) : QGraphicsWidget(),
m_Parent(parent), m_Layout(new QGraphicsLinearLayout(Qt::Vertical, this)),
m_ButtonContainer(0), m_isMenuVisible(false), m_currentSelectedIndex(-1)
{
init();
}
Menu::~Menu()
{
for(int i = 0; i < m_ButtonContainer->count(); i++ ) {
delete m_ButtonContainer->at(i);
}
m_ButtonContainer->clear();
delete m_ButtonContainer;
m_ButtonContainer = 0;
}
void Menu::init()
{
m_ButtonContainer = new QList<Button*>;
m_Layout->setContentsMargins(0,0,0,0);
m_Layout->setSpacing(0);
setMinimumWidth(150);
setLayout(m_Layout);
connect(Theme::p(), SIGNAL(themeChanged()), this, SLOT(themeChange()));
}
Button* Menu::addMenuItem(const QString itemName, QObject* receiver, const char* member)
{
Button* button = new Button(itemName ,this);
button->setVisible(m_isMenuVisible);
connect(button, SIGNAL(clicked(bool)), receiver, member);
connect(button, SIGNAL(clicked(bool)), this, SLOT(menuShowHide()));
m_ButtonContainer->append(button);
button->setMinimumWidth(MinMenuItemWidth);
button->setMinimumHeight(MinMenuItemHeight);
return button;
}
void Menu::menuShowHide()
{
m_isMenuVisible ? menuHide() : menuShow();
m_isMenuVisible = !m_isMenuVisible;
}
void Menu::menuShow()
{
for(int i = 0; i < m_ButtonContainer->count(); i++) {
Button* button = m_ButtonContainer->at(i);
m_Layout->addItem(button);
button->show();
}
}
void Menu::menuHide()
{
for(int i = 0; i < m_ButtonContainer->count(); i++) {
Button* button = m_ButtonContainer->at(i);
button->select(false);
button->hide();
m_Layout->removeItem(button);
}
m_currentSelectedIndex = -1;
}
void Menu::themeChange()
{
QPixmap pixmap = Theme::p()->pixmap("status_field_middle.svg",
QSize(MinMenuItemWidth, MinMenuItemHeight));
for(int i = 0; i < m_ButtonContainer->count(); i++) {
Button* button = m_ButtonContainer->at(i);
button->setBackground(pixmap);
}
update();
}
void Menu::keyPressEvent(QKeyEvent *event)
{
//S60 3.x specific
if(event->key() == 16777235 ) { //Up Arrow
if(m_currentSelectedIndex > 0) { //One step up
Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(false);
button->update();
m_currentSelectedIndex--;
button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(true);
button->update();
}
else { //Jump to bottom
if(m_currentSelectedIndex >= 0) {
Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(false);
button->update();
}
m_currentSelectedIndex = m_ButtonContainer->count() -1;
if(m_currentSelectedIndex >= 0) {
Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(true);
button->update();
}
}
}
if(event->key() == 16777237 ) { //Down Arrow
if (m_currentSelectedIndex < m_ButtonContainer->count()-1) { //One step down
if(m_currentSelectedIndex >= 0) {
Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(false);
button->update();
}
m_currentSelectedIndex++;
Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(true);
button->update();
}
else { //Jump to top
if(m_currentSelectedIndex >= 0) {
Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(false);
button->update();
m_currentSelectedIndex = 0;
button = m_ButtonContainer->at(m_currentSelectedIndex);
button->select(true);
button->update();
}
}
}
if(event->key() == 17825792 || event->key() == 16842752 || //LSK, center key or enter
event->key() == 16777221 ) {
if(m_currentSelectedIndex >= 0) {
Button* button = m_ButtonContainer->at(m_currentSelectedIndex);
button->click();
}
}
if(event->key() == 17825793 ) { //RSK
menuShowHide();
}
}
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