rssguard/src/gui/newspaperpreviewer.cpp
2017-10-19 07:18:13 +02:00

48 lines
1.8 KiB
C++
Executable File

// For license of this file, see <object-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(RootItem* root, QList<Message> messages, QWidget* parent)
: TabContent(parent), m_ui(new Ui::NewspaperPreviewer), m_root(root), m_messages(messages) {
m_ui->setupUi(this);
connect(m_ui->m_btnShowMoreMessages, &QPushButton::clicked, this, &NewspaperPreviewer::showMoreMessages);
showMoreMessages();
}
NewspaperPreviewer::~NewspaperPreviewer() {}
void NewspaperPreviewer::showMoreMessages() {
if (!m_root.isNull()) {
int current_scroll = m_ui->scrollArea->verticalScrollBar()->value();
for (int i = 0; i < 10 && !m_messages.isEmpty(); i++) {
Message msg = m_messages.takeFirst();
MessagePreviewer* prev = new MessagePreviewer(this);
QMargins margins = prev->layout()->contentsMargins();
connect(prev, &MessagePreviewer::requestMessageListReload, this, &NewspaperPreviewer::requestMessageListReload);
margins.setRight(0);
prev->layout()->setContentsMargins(margins);
prev->setFixedHeight(300);
prev->loadMessage(msg, m_root);
m_ui->m_layout->insertWidget(m_ui->m_layout->count() - 2, prev);
}
m_ui->m_btnShowMoreMessages->setText(tr("Show more messages (%n remaining)", "", m_messages.size()));
m_ui->m_btnShowMoreMessages->setEnabled(!m_messages.isEmpty());
m_ui->scrollArea->verticalScrollBar()->setValue(current_scroll);
}
else {
qApp->showGuiMessage(tr("Cannot show more messages"),
tr("Cannot show more messages because parent feed was removed."),
QSystemTrayIcon::Warning,
qApp->mainForm(), true);
}
}