129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
// This file Copyright © 2012-2022 Mnemosyne LLC.
|
|
// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
|
|
// or any future license endorsed by Mnemosyne LLC.
|
|
// License text can be found in the licenses/ folder.
|
|
|
|
#include <QApplication>
|
|
#include <QStyle>
|
|
#include <QStylePainter>
|
|
|
|
#include "FilterBarComboBox.h"
|
|
#include "StyleHelper.h"
|
|
#include "Utils.h"
|
|
|
|
namespace
|
|
{
|
|
|
|
int getHSpacing(QWidget const* w)
|
|
{
|
|
return qMax(3, w->style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing, nullptr, w));
|
|
}
|
|
|
|
} // namespace
|
|
|
|
FilterBarComboBox::FilterBarComboBox(QWidget* parent)
|
|
: QComboBox(parent)
|
|
{
|
|
setSizeAdjustPolicy(QComboBox::AdjustToContents);
|
|
}
|
|
|
|
QSize FilterBarComboBox::minimumSizeHint() const
|
|
{
|
|
QFontMetrics fm(fontMetrics());
|
|
QSize const text_size = fm.size(0, itemText(0));
|
|
QSize const count_size = fm.size(0, itemData(0, CountStringRole).toString());
|
|
return calculateSize(text_size, count_size);
|
|
}
|
|
|
|
QSize FilterBarComboBox::sizeHint() const
|
|
{
|
|
QFontMetrics fm(fontMetrics());
|
|
QSize max_text_size(0, 0);
|
|
QSize max_count_size(0, 0);
|
|
|
|
for (int i = 0, n = count(); i < n; ++i)
|
|
{
|
|
QSize const text_size = fm.size(0, itemText(i));
|
|
max_text_size.setHeight(qMax(max_text_size.height(), text_size.height()));
|
|
max_text_size.setWidth(qMax(max_text_size.width(), text_size.width()));
|
|
|
|
QSize const count_size = fm.size(0, itemData(i, CountStringRole).toString());
|
|
max_count_size.setHeight(qMax(max_count_size.height(), count_size.height()));
|
|
max_count_size.setWidth(qMax(max_count_size.width(), count_size.width()));
|
|
}
|
|
|
|
return calculateSize(max_text_size, max_count_size);
|
|
}
|
|
|
|
QSize FilterBarComboBox::calculateSize(QSize const& text_size, QSize const& count_size) const
|
|
{
|
|
int const hmargin = getHSpacing(this);
|
|
|
|
QStyleOptionComboBox option;
|
|
initStyleOption(&option);
|
|
|
|
QSize content_size = iconSize() + QSize(4, 2);
|
|
content_size.setHeight(qMax(content_size.height(), text_size.height()));
|
|
content_size.rwidth() += hmargin + text_size.width();
|
|
content_size.rwidth() += hmargin + count_size.width();
|
|
|
|
return style()->sizeFromContents(QStyle::CT_ComboBox, &option, content_size, this);
|
|
}
|
|
|
|
void FilterBarComboBox::paintEvent(QPaintEvent* e)
|
|
{
|
|
Q_UNUSED(e)
|
|
|
|
QStylePainter painter(this);
|
|
painter.setPen(palette().color(QPalette::Text));
|
|
|
|
// draw the combobox frame, focusrect and selected etc.
|
|
QStyleOptionComboBox opt;
|
|
initStyleOption(&opt);
|
|
painter.drawComplexControl(QStyle::CC_ComboBox, opt);
|
|
|
|
// draw the icon and text
|
|
QModelIndex const model_index = model()->index(currentIndex(), 0, rootModelIndex());
|
|
|
|
if (model_index.isValid())
|
|
{
|
|
QStyle* s = style();
|
|
int const hmargin = getHSpacing(this);
|
|
|
|
QRect rect = s->subControlRect(QStyle::CC_ComboBox, &opt, QStyle::SC_ComboBoxEditField, this);
|
|
rect.adjust(2, 1, -2, -1);
|
|
|
|
// draw the icon
|
|
QIcon const icon = Utils::getIconFromIndex(model_index);
|
|
|
|
if (!icon.isNull())
|
|
{
|
|
QRect const icon_rect = QStyle::alignedRect(opt.direction, Qt::AlignLeft | Qt::AlignVCenter, opt.iconSize, rect);
|
|
icon.paint(&painter, icon_rect, Qt::AlignCenter, StyleHelper::getIconMode(opt.state), QIcon::Off);
|
|
Utils::narrowRect(rect, icon_rect.width() + hmargin, 0, opt.direction);
|
|
}
|
|
|
|
// draw the count
|
|
QString text = model_index.data(CountStringRole).toString();
|
|
|
|
if (!text.isEmpty())
|
|
{
|
|
QPen const pen = painter.pen();
|
|
painter.setPen(Utils::getFadedColor(pen.color()));
|
|
QRect const text_rect = QStyle::alignedRect(
|
|
opt.direction,
|
|
Qt::AlignRight | Qt::AlignVCenter,
|
|
QSize(opt.fontMetrics.size(0, text).width(), rect.height()),
|
|
rect);
|
|
painter.drawText(text_rect, Qt::AlignRight | Qt::AlignVCenter, text);
|
|
Utils::narrowRect(rect, 0, text_rect.width() + hmargin, opt.direction);
|
|
painter.setPen(pen);
|
|
}
|
|
|
|
// draw the text
|
|
text = model_index.data(Qt::DisplayRole).toString();
|
|
text = painter.fontMetrics().elidedText(text, Qt::ElideRight, rect.width());
|
|
painter.drawText(rect, Qt::AlignLeft | Qt::AlignVCenter, text);
|
|
}
|
|
}
|