rssguard/src/librssguard/gui/newspaperpreviewer.cpp
2021-11-01 13:59:21 +01:00

55 lines
2 KiB
C++

// For license of this file, see <project-root-folder>/LICENSE.md.
#include "gui/newspaperpreviewer.h"
#include "gui/dialogs/formmain.h"
#include "gui/messagepreviewer.h"
#include "miscellaneous/application.h"
#include <QScrollBar>
NewspaperPreviewer::NewspaperPreviewer(int msg_height, RootItem* root, QList<Message> messages, QWidget* parent)
: TabContent(parent), m_msgHeight(msg_height), m_ui(new Ui::NewspaperPreviewer), m_root(root), m_messages(std::move(messages)) {
m_ui->setupUi(this);
m_ui->m_btnShowMoreMessages->setIcon(qApp->icons()->fromTheme(QSL("view-refresh")));
connect(m_ui->m_btnShowMoreMessages, &QPushButton::clicked, this, &NewspaperPreviewer::showMoreMessages);
showMoreMessages();
}
#if defined(USE_WEBENGINE)
WebBrowser* NewspaperPreviewer::webBrowser() const {
return nullptr;
}
#endif
void NewspaperPreviewer::showMoreMessages() {
if (!m_root.isNull()) {
int current_scroll = m_ui->scrollArea->verticalScrollBar()->value();
for (int i = 0; i < 5 && !m_messages.isEmpty(); i++) {
Message msg = m_messages.takeFirst();
auto* prev = new MessagePreviewer(true, this);
QMargins margins = prev->layout()->contentsMargins();
prev->setContentsMargins(margins);
connect(prev, &MessagePreviewer::markMessageRead, this, &NewspaperPreviewer::markMessageRead);
connect(prev, &MessagePreviewer::markMessageImportant, this, &NewspaperPreviewer::markMessageImportant);
m_ui->m_layout->insertWidget(m_ui->m_layout->count() - 1, prev);
prev->loadMessage(msg, m_root.data());
}
m_ui->m_btnShowMoreMessages->setText(tr("Show more articles (%n remaining)", "", m_messages.size()));
m_ui->m_btnShowMoreMessages->setEnabled(!m_messages.isEmpty());
m_ui->scrollArea->verticalScrollBar()->setValue(current_scroll);
}
else {
qApp->showGuiMessage(Notification::Event::GeneralEvent, {
tr("Cannot show more articles"),
tr("Cannot show more articles because parent feed was removed."),
QSystemTrayIcon::MessageIcon::Warning });
}
}