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/*
* Copyright (c) 2014-2017 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
/*
* Copyright (c) 2013 Tobias Markmann
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#include <Swift/QtUI/Roster/QtFilterWidget.h>
#include <QEvent>
#include <QKeyEvent>
#include <QLayout>
#include <QString>
#include <QVBoxLayout>
#include <Swift/Controllers/UIEvents/RequestChatUIEvent.h>
#include <Swift/Controllers/UIEvents/UIEventStream.h>
#include <Swift/QtUI/QtClosableLineEdit.h>
#include <Swift/QtUI/QtSwiftUtil.h>
namespace Swift {
QtFilterWidget::QtFilterWidget(QWidget* parent, QtTreeWidget* treeView, UIEventStream* eventStream, QBoxLayout* layout) : QWidget(parent), treeView_(treeView), eventStream_(eventStream), fuzzyRosterFilter_(nullptr), isModifierSinglePressed_(false) {
int targetIndex = layout->indexOf(treeView);
QVBoxLayout* vboxLayout = new QVBoxLayout(this);
vboxLayout->setSpacing(0);
vboxLayout->setContentsMargins(0,0,0,0);
filterLineEdit_ = new QtClosableLineEdit(this);
filterLineEdit_->hide();
vboxLayout->addWidget(filterLineEdit_);
vboxLayout->addWidget(treeView);
setLayout(vboxLayout);
layout->insertWidget(targetIndex, this);
filterLineEdit_->installEventFilter(this);
treeView_->installEventFilter(this);
sourceModel_ = treeView_->model();
}
QtFilterWidget::~QtFilterWidget() {
filterLineEdit_->removeEventFilter(this);
if (treeView_) {
treeView_->removeEventFilter(this);
if (treeView_->getRoster()) {
treeView_->getRoster()->onFilterAdded.disconnect(boost::bind(&QtFilterWidget::handleFilterAdded, this, _1));
treeView_->getRoster()->onFilterRemoved.disconnect(boost::bind(&QtFilterWidget::handleFilterRemoved, this, _1));
}
}
}
bool QtFilterWidget::eventFilter(QObject*, QEvent* event) {
if (!treeView_) {
return false;
}
if (event->type() == QEvent::KeyPress ||
event->type() == QEvent::KeyRelease ||
// InputMethodQuery got introduced in Qt 5.
#if QT_VERSION >= 0x050000
event->type() == QEvent::InputMethodQuery ||
#endif
event->type() == QEvent::InputMethod) {
event->ignore();
QKeyEvent* keyEvent = dynamic_cast<QKeyEvent*>(event);
if (keyEvent) {
if (keyEvent->key() == Qt::Key_Up || keyEvent->key() == Qt::Key_Down) {
return false;
} else if ((keyEvent->key() == Qt::Key_Left || keyEvent->key() == Qt::Key_Right) && filterLineEdit_->text().isEmpty()) {
return false;
} else if (keyEvent->key() == Qt::Key_Alt && event->type() == QEvent::KeyPress) {
isModifierSinglePressed_ = true;
} else if ((keyEvent->key() == Qt::Key_Alt && event->type() == QEvent::KeyRelease && isModifierSinglePressed_)
|| (keyEvent->key() == Qt::Key_Menu)) {
QPoint itemOffset(2,2);
QPoint contextMenuPosition = treeView_->visualRect(treeView_->currentIndex()).topLeft() + itemOffset;
QApplication::postEvent(treeView_, new QContextMenuEvent(QContextMenuEvent::Keyboard, contextMenuPosition, treeView_->mapToGlobal(contextMenuPosition)));
return true;
} else if (keyEvent->key() == Qt::Key_Return) {
JID target = treeView_->selectedJID();
if (target.isValid()) {
eventStream_->send(std::make_shared<RequestChatUIEvent>(target));
}
filterLineEdit_->setText("");
updateRosterFilters();
} else if (keyEvent->key() == Qt::Key_Escape) {
filterLineEdit_->setText("");
} else {
isModifierSinglePressed_ = false;
}
}
filterLineEdit_->event(event);
if (event->type() == QEvent::KeyRelease) {
updateRosterFilters();
}
return true;
}
return false;
}
void QtFilterWidget::popAllFilters() {
std::vector<RosterFilter*> filters = treeView_->getRoster()->getFilters();
for (auto filter : filters) {
filters_.push_back(filter);
treeView_->getRoster()->removeFilter(filter);
}
treeView_->getRoster()->onFilterAdded.connect(boost::bind(&QtFilterWidget::handleFilterAdded, this, _1));
treeView_->getRoster()->onFilterRemoved.connect(boost::bind(&QtFilterWidget::handleFilterRemoved, this, _1));
}
void QtFilterWidget::pushAllFilters() {
treeView_->getRoster()->onFilterAdded.disconnect(boost::bind(&QtFilterWidget::handleFilterAdded, this, _1));
treeView_->getRoster()->onFilterRemoved.disconnect(boost::bind(&QtFilterWidget::handleFilterRemoved, this, _1));
for (auto filter : filters_) {
treeView_->getRoster()->addFilter(filter);
}
filters_.clear();
}
void QtFilterWidget::updateRosterFilters() {
if (!treeView_) {
return;
}
if (fuzzyRosterFilter_) {
if (filterLineEdit_->text().isEmpty()) {
// remove currently installed search filter and put old filters back
treeView_->getRoster()->removeFilter(fuzzyRosterFilter_);
delete fuzzyRosterFilter_;
fuzzyRosterFilter_ = nullptr;
pushAllFilters();
} else {
// remove currently intsalled search filter and put new search filter in place
updateSearchFilter();
}
} else {
if (!filterLineEdit_->text().isEmpty()) {
// remove currently installed filters and put a search filter in place
popAllFilters();
updateSearchFilter();
}
}
filterLineEdit_->setVisible(!filterLineEdit_->text().isEmpty());
}
void QtFilterWidget::updateSearchFilter() {
if (!treeView_) {
return;
}
if (fuzzyRosterFilter_) {
treeView_->getRoster()->removeFilter(fuzzyRosterFilter_);
delete fuzzyRosterFilter_;
fuzzyRosterFilter_ = nullptr;
}
fuzzyRosterFilter_ = new FuzzyRosterFilter(Q2PSTRING(filterLineEdit_->text()));
treeView_->getRoster()->addFilter(fuzzyRosterFilter_);
treeView_->setCurrentIndex(sourceModel_->index(0, 0, sourceModel_->index(0,0)));
}
void QtFilterWidget::handleFilterAdded(RosterFilter* filter) {
if (filter != fuzzyRosterFilter_) {
filterLineEdit_->setText("");
updateRosterFilters();
}
}
void QtFilterWidget::handleFilterRemoved(RosterFilter* filter) {
/* make sure we don't end up adding this one back in later */
filters_.erase(std::remove(filters_.begin(), filters_.end(), filter), filters_.end());
if (filter != fuzzyRosterFilter_) {
filterLineEdit_->setText("");
updateRosterFilters();
}
}
}
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