rpcs3/rpcs3/rpcs3qt/game_list_grid.cpp
2020-12-06 15:30:12 +03:00

109 lines
3.3 KiB
C++

#include "game_list_grid.h"
#include "game_list_grid_delegate.h"
#include "qt_utils.h"
#include <QHeaderView>
#include <QScrollBar>
game_list_grid::game_list_grid(const QSize& icon_size, const QColor& icon_color, const qreal& margin_factor, const qreal& text_factor, const bool& showText)
: game_list(), m_icon_size(icon_size), m_icon_color(icon_color), m_margin_factor(margin_factor), m_text_factor(text_factor), m_text_enabled(showText)
{
setObjectName("game_grid");
QSize item_size;
if (m_text_enabled)
{
item_size = m_icon_size + QSize(m_icon_size.width() * m_margin_factor * 2, m_icon_size.height() * m_margin_factor * (m_text_factor + 1));
}
else
{
item_size = m_icon_size + m_icon_size * m_margin_factor * 2;
}
grid_item_delegate = new game_list_grid_delegate(item_size, m_margin_factor, m_text_factor, this);
setItemDelegate(grid_item_delegate);
setEditTriggers(QAbstractItemView::NoEditTriggers);
setSelectionBehavior(QAbstractItemView::SelectItems);
setSelectionMode(QAbstractItemView::SingleSelection);
setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
verticalScrollBar()->setSingleStep(20);
horizontalScrollBar()->setSingleStep(20);
setContextMenuPolicy(Qt::CustomContextMenu);
verticalHeader()->setVisible(false);
horizontalHeader()->setVisible(false);
setShowGrid(false);
}
game_list_grid::~game_list_grid()
{
}
void game_list_grid::enableText(const bool& enabled)
{
m_text_enabled = enabled;
}
void game_list_grid::setIconSize(const QSize& size)
{
if (m_text_enabled)
{
grid_item_delegate->setItemSize(size + QSize(size.width() * m_margin_factor * 2, size.height() * m_margin_factor * (m_text_factor + 1)));
}
else
{
grid_item_delegate->setItemSize(size + size * m_margin_factor * 2);
}
}
void game_list_grid::addItem(const QPixmap& img, const QString& name, const int& row, const int& col)
{
const qreal device_pixel_ratio = devicePixelRatioF();
// define size of expanded image, which is raw image size + margins
QSizeF exp_size;
if (m_text_enabled)
{
exp_size = m_icon_size + QSizeF(m_icon_size.width() * m_margin_factor * 2, m_icon_size.height() * m_margin_factor * (m_text_factor + 1));
}
else
{
exp_size = m_icon_size + m_icon_size * m_margin_factor * 2;
}
// define offset for raw image placement
QPoint offset = QPoint(m_icon_size.width() * m_margin_factor, m_icon_size.height() * m_margin_factor);
// create empty canvas for expanded image
QImage exp_img = QImage((exp_size * device_pixel_ratio).toSize(), QImage::Format_ARGB32);
exp_img.setDevicePixelRatio(device_pixel_ratio);
exp_img.fill(Qt::transparent);
// create background for image
QImage bg_img = QImage(img.size(), QImage::Format_ARGB32);
bg_img.setDevicePixelRatio(device_pixel_ratio);
bg_img.fill(m_icon_color);
// place raw image inside expanded image
QPainter painter(&exp_img);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
painter.drawImage(offset, bg_img);
painter.drawPixmap(offset, img);
painter.end();
// create item with expanded image, title and position
QTableWidgetItem* item = new QTableWidgetItem();
item->setData(Qt::ItemDataRole::DecorationRole, QPixmap::fromImage(exp_img));
if (m_text_enabled)
{
item->setData(Qt::ItemDataRole::DisplayRole, name);
}
setItem(row, col, item);
}
qreal game_list_grid::getMarginFactor()
{
return m_margin_factor;
}