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(EasyTreeWidget) Trying to fix slow clear()

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This commit is contained in:
Victor Zarubkin 2016-08-28 21:10:16 +03:00
parent 4ff13053ec
commit 988d9da391
2 changed files with 607 additions and 593 deletions
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20
profiler_gui/blocks_tree_widget.cpp
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@ -31,6 +31,7 @@
#include <QProgressDialog>
#include <QResizeEvent>
#include <QMoveEvent>
#include <QDebug>
#include "blocks_tree_widget.h"
#include "tree_widget_item.h"
#include "globals.h"
@ -115,7 +116,7 @@ EasyTreeWidget::EasyTreeWidget(QWidget* _parent)
m_progress->setValue(100);
//m_progress->hide();
QTimer::singleShot(40, this, &This::alignProgressBar);
QTimer::singleShot(1500, this, &This::alignProgressBar);
}
EasyTreeWidget::~EasyTreeWidget()
@ -244,6 +245,8 @@ void EasyTreeWidget::setTreeBlocks(const ::profiler_gui::TreeBlocks& _blocks, ::
void EasyTreeWidget::clearSilent(bool _global)
{
const QSignalBlocker b(this);
m_hierarchyBuilder.interrupt();
if (m_progress)
@ -277,10 +280,21 @@ void EasyTreeWidget::clearSilent(bool _global)
m_items.clear();
m_roots.clear();
{ const QSignalBlocker b(this); clear(); } // clear without emitting any signals
::std::vector<QTreeWidgetItem*> topLevelItems;
topLevelItems.reserve(topLevelItemCount());
for (int i = topLevelItemCount() - 1; i >= 0; --i)
topLevelItems.push_back(takeTopLevelItem(i));
auto deleter_thread = ::std::thread([](decltype(topLevelItems) _items) {
for (auto item : _items)
delete item;
}, ::std::move(topLevelItems));
deleter_thread.detach();
//clear();
if (!_global)
emit ::profiler_gui::EASY_GLOBALS.events.itemsExpandStateChanged();
emit::profiler_gui::EASY_GLOBALS.events.itemsExpandStateChanged();
}
//////////////////////////////////////////////////////////////////////////

1180
profiler_gui/tree_widget_loader.cpp
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