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#include "status_info.h"
#include "src/list_item.h"
#include <QTimer>
#include <QDebug>
#include <QCloseEvent>
StatusInfoWidget::StatusInfoWidget(QWidget* parent)
: QWidget(parent), ui(new Ui::StatusInfo)
{
ui->setupUi(this);
// QGridLayouts have margins around each element, but here we already have margins outside of the element, so these ones are not welcome
ui->gridLayout->setContentsMargins(0, 0, 0, 0);
worker.moveToThread(&worker_thread);
connect(this, &StatusInfoWidget::do_process_item, &worker, &StatusInfoWidgetWorker::process_item, Qt::QueuedConnection);
connect(this, &StatusInfoWidget::do_process_activity, &worker, &StatusInfoWidgetWorker::process_activity, Qt::QueuedConnection);
connect(&worker, &StatusInfoWidgetWorker::itemProcessed, this, &StatusInfoWidget::postProcess, Qt::QueuedConnection);
worker_thread.start();
worker.set_text_zone_width(ui->statusInfoText->width());
}
StatusInfoWidget::~StatusInfoWidget() {
worker_thread.quit();
worker_thread.wait();
delete displayed_activity;
delete ui;
}
void StatusInfoWidget::resizeEvent(QResizeEvent* event) {
// TODO: probably create a template, define or inline function for this
static QTimer* differed_resize = new QTimer(this);
if (static bool timer_init_done = false; not timer_init_done) {
differed_resize->setTimerType(Qt::CoarseTimer);
differed_resize->setSingleShot(true);
differed_resize->setInterval(150);
connect(differed_resize, &QTimer::timeout, this, [=]() {
worker.set_text_zone_width(ui->statusInfoText->width());
if (displayed_activity)
emit do_process_activity(displayed_activity);
});
}
differed_resize->start();
QWidget::resizeEvent(event);
}
void StatusInfoWidget::show_list_item(StatusListItem* new_item) {
qDebug() << "got item" << new_item << "old is" << displayed_item << displayed_activity;
if (new_item != displayed_item) {
delete displayed_activity; displayed_activity = nullptr;
displayed_item = new_item;
emit do_process_item(new_item);
}
}
// Update the GUI with the displayed Activity.
// Has to be done on the GUI thread, no other way in Qt
void StatusInfoWidget::postProcess(const QString &html, APActivity* activity) {
// Make sure to not delete the displayed_activity if we are reprocessing it after a resize event, else you get a crash that requires nasty debugging (don't ask how i found out ;)
if (activity != displayed_activity) {
// We are doing "double" deletion of old displayed_activity but sometimes that's important when really scrubbing the search results bar very quickly (we sometimes do reach that code and it hopefully helps against memory leaks)
if (displayed_activity)
delete displayed_activity;
displayed_activity = activity;
}
ui->statusInfoText->setHtml(html);
}
/*
* ----------------
* Worker functions. Ran on non-main, non-GUI, thread
* ----------------
*/
void StatusInfoWidgetWorker::process_item(StatusListItem* item) {
APActivity* activity = item->get_activity();
process_activity(activity);
}
void StatusInfoWidgetWorker::process_activity(APActivity* activity) {
QString html = activity->get_html_render(render_info);
emit itemProcessed(html, activity);
}
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