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/*
* Copyright (c) 2013 Tobias Markmann
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
/*
* Copyright (c) 2014-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swift/QtUI/UserSearch/QtSuggestingJIDInput.h>
#include <boost/bind.hpp>
#include <boost/signals2.hpp>
#include <QAbstractItemView>
#include <QApplication>
#include <QDesktopWidget>
#include <QKeyEvent>
#include <QtGlobal>
#include <Swift/Controllers/Settings/SettingsProvider.h>
#include <Swift/QtUI/QtSwiftUtil.h>
#include <Swift/QtUI/QtUISettingConstants.h>
#include <Swift/QtUI/UserSearch/ContactListDelegate.h>
#include <Swift/QtUI/UserSearch/ContactListModel.h>
namespace Swift {
QtSuggestingJIDInput::QtSuggestingJIDInput(QWidget* parent, SettingsProvider* settings) : QLineEdit(parent), settings_(settings) {
treeViewPopup_ = new QTreeView();
treeViewPopup_->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint);
//treeViewPopup_->setAttribute(Qt::WA_ShowWithoutActivating);
treeViewPopup_->setAlternatingRowColors(true);
treeViewPopup_->setIndentation(0);
treeViewPopup_->setHeaderHidden(true);
treeViewPopup_->setExpandsOnDoubleClick(false);
treeViewPopup_->setItemsExpandable(false);
treeViewPopup_->setSelectionMode(QAbstractItemView::SingleSelection);
treeViewPopup_->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
treeViewPopup_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
QSizePolicy policy(treeViewPopup_->sizePolicy());
policy.setVerticalPolicy(QSizePolicy::Expanding);
treeViewPopup_->setSizePolicy(policy);
treeViewPopup_->hide();
treeViewPopup_->setFocusProxy(this);
connect(treeViewPopup_, SIGNAL(clicked(QModelIndex)), this, SLOT(handleClicked(QModelIndex)));
connect(treeViewPopup_, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(handleClicked(QModelIndex)));
contactListModel_ = new ContactListModel(false);
treeViewPopup_->setModel(contactListModel_);
contactListDelegate_ = new ContactListDelegate(settings->getSetting(QtUISettingConstants::COMPACT_ROSTER));
treeViewPopup_->setItemDelegate(contactListDelegate_);
settings_->onSettingChanged.connect(boost::bind(&QtSuggestingJIDInput::handleSettingsChanged, this, _1));
}
QtSuggestingJIDInput::~QtSuggestingJIDInput() {
settings_->onSettingChanged.disconnect(boost::bind(&QtSuggestingJIDInput::handleSettingsChanged, this, _1));
delete treeViewPopup_;
delete contactListDelegate_;
delete contactListModel_;
}
Contact::ref QtSuggestingJIDInput::getContact() {
if (!!currentContact_) {
return currentContact_;
}
if (!text().isEmpty()) {
JID jid(Q2PSTRING(text()));
if (jid.isValid()) {
Contact::ref manualContact = std::make_shared<Contact>();
manualContact->name = jid.toString();
manualContact->jid = jid;
return manualContact;
}
}
return std::shared_ptr<Contact>();
}
void QtSuggestingJIDInput::setSuggestions(const std::vector<Contact::ref>& suggestions) {
contactListModel_->setList(suggestions);
positionPopup();
if (!suggestions.empty()) {
treeViewPopup_->setCurrentIndex(contactListModel_->index(0, 0));
showPopup();
} else {
currentContact_.reset();
hidePopup();
}
}
void QtSuggestingJIDInput::clear() {
setText("");
currentContact_.reset();
}
void QtSuggestingJIDInput::keyPressEvent(QKeyEvent* event) {
if (event->key() == Qt::Key_Up) {
if (contactListModel_->rowCount() > 0) {
int row = treeViewPopup_->currentIndex().row();
row = (row + contactListModel_->rowCount() - 1) % contactListModel_->rowCount();
treeViewPopup_->setCurrentIndex(contactListModel_->index(row, 0));
}
} else if (event->key() == Qt::Key_Down) {
if (contactListModel_->rowCount() > 0) {
int row = treeViewPopup_->currentIndex().row();
row = (row + contactListModel_->rowCount() + 1) % contactListModel_->rowCount();
treeViewPopup_->setCurrentIndex(contactListModel_->index(row, 0));
}
} else if (event->key() == Qt::Key_Return && treeViewPopup_->isVisible()) {
QModelIndex index = treeViewPopup_->currentIndex();
if (!contactListModel_->getList().empty() && index.isValid()) {
currentContact_ = contactListModel_->getContact(index.row());
if (currentContact_->jid.isValid()) {
setText(P2QSTRING(currentContact_->jid.toString()));
} else {
setText(P2QSTRING(currentContact_->name));
}
hidePopup();
clearFocus();
} else {
currentContact_.reset();
}
editingDone();
} else {
QLineEdit::keyPressEvent(event);
}
}
void QtSuggestingJIDInput::hideEvent(QHideEvent* /* event */) {
// Hide our popup when we are hidden (can happen when a dialog is closed by the user).
treeViewPopup_->hide();
}
void QtSuggestingJIDInput::handleApplicationFocusChanged(QWidget* /*old*/, QWidget* /*now*/) {
/* Using the now argument gives use the wrong widget. This is part of the code needed
to prevent stealing of focus when opening a the suggestion window. */
QWidget* now = qApp->focusWidget();
if (!now || (now != treeViewPopup_ && now != this && !now->isAncestorOf(this) && !now->isAncestorOf(treeViewPopup_) && !this->isAncestorOf(now) && !treeViewPopup_->isAncestorOf(now))) {
hidePopup();
}
}
void QtSuggestingJIDInput::handleSettingsChanged(const std::string& setting) {
if (setting == QtUISettingConstants::COMPACT_ROSTER.getKey()) {
contactListDelegate_->setCompact(settings_->getSetting(QtUISettingConstants::COMPACT_ROSTER));
}
}
void QtSuggestingJIDInput::handleClicked(const QModelIndex& index) {
if (index.isValid()) {
currentContact_ = contactListModel_->getContact(index.row());
onUserSelected(currentContact_);
hidePopup();
}
}
void QtSuggestingJIDInput::positionPopup() {
QDesktopWidget* desktop = QApplication::desktop();
int screen = desktop->screenNumber(this);
QPoint point = mapToGlobal(QPoint(0, height()));
QRect geometry = desktop->availableGeometry(screen);
int x = point.x();
int y = point.y();
int width = this->width();
int height = 80;
int screenWidth = geometry.x() + geometry.width();
if (x + width > screenWidth) {
x = screenWidth - width;
}
height = treeViewPopup_->sizeHintForRow(0) * contactListModel_->rowCount();
height = height > 200 ? 200 : height;
int marginLeft;
int marginTop;
int marginRight;
int marginBottom;
treeViewPopup_->getContentsMargins(&marginLeft, &marginTop, &marginRight, &marginBottom);
height += marginTop + marginBottom;
width += marginLeft + marginRight;
treeViewPopup_->setGeometry(x, y, width, height);
treeViewPopup_->move(x, y);
treeViewPopup_->setMaximumWidth(width);
}
void QtSuggestingJIDInput::showPopup() {
treeViewPopup_->show();
activateWindow();
connect(qApp, SIGNAL(focusChanged(QWidget*, QWidget*)), this, SLOT(handleApplicationFocusChanged(QWidget*, QWidget*)), Qt::QueuedConnection);
setFocus();
}
void QtSuggestingJIDInput::hidePopup() {
disconnect(qApp, SIGNAL(focusChanged(QWidget*, QWidget*)), this, SLOT(handleApplicationFocusChanged(QWidget*, QWidget*)));
treeViewPopup_->hide();
// Give focus back to input widget because the hide() call passes the focus to the wrong widget.
setFocus();
#if defined(Q_OS_MAC)
// This workaround is needed on OS X, to bring the dialog containing this widget back to the front after
// the popup is hidden. Ubuntu 16.04 and Windows 8 do not have this issue.
window()->raise();
#endif
}
}
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