Sandboxie/SandboxiePlus/MiscHelpers/Common/SmartGridWidget.cpp

65 lines
1.3 KiB
C++

#include "stdafx.h"
#include "SmartGridWidget.h"
#include <math.h>
CSmartGridWidget::CSmartGridWidget(QWidget* parent)
: QWidget(parent)
{
m_pMainLayout = new QGridLayout();
this->setLayout(m_pMainLayout);
m_pMainLayout->setMargin(1);
m_pMainLayout->setSpacing(2);
m_bReArangePending = false;
}
void CSmartGridWidget::SetBackground(const QColor& BackColor)
{
QPalette pal = palette();
pal.setColor(QPalette::Background, BackColor);
this->setAutoFillBackground(true);
this->setPalette(pal);
}
void CSmartGridWidget::AddWidget(QWidget* pWidget)
{
m_Widgets.append(pWidget);
if(!pWidget->parent())
pWidget->setParent(this);
if (!m_bReArangePending)
{
m_bReArangePending = true;
QTimer::singleShot(0, this, SLOT(ReArange()));
}
}
void CSmartGridWidget::ReArange()
{
m_bReArangePending = false;
int count = 0;
while (count < m_Widgets.size())
{
if (m_Widgets[count] == NULL)
m_Widgets.removeAt(count);
else
count++;
}
float columns = ceil(sqrt((float)count));
float rows = columns > 0 ? ceil(count / columns) : 0;
for (int row = 0; row < rows; row++)
{
for (int column = 0; column < columns; column++)
{
int index = row * columns + column;
if (index >= count)
break;
m_pMainLayout->addWidget(m_Widgets.at(index), row, column);
}
}
}