lib_ui/ui/widgets/menu/menu_multiline_action.cpp

88 lines
2.3 KiB
C++

// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#include "ui/widgets/menu/menu_multiline_action.h"
#include "ui/widgets/labels.h"
namespace Ui::Menu {
MultilineAction::MultilineAction(
not_null<Ui::RpWidget*> parent,
const style::Menu &st,
const style::FlatLabel &stLabel,
QPoint labelPosition,
TextWithEntities &&about,
const style::icon *icon,
const style::icon *iconOver)
: ItemBase(parent, st)
, _st(st)
, _icon(icon)
, _iconOver(iconOver ? iconOver : icon)
, _labelPosition(labelPosition)
, _text(base::make_unique_q<Ui::FlatLabel>(
this,
rpl::single(std::move(about)),
stLabel))
, _dummyAction(Ui::CreateChild<QAction>(parent.get())) {
ItemBase::enableMouseSelecting();
_text->setAttribute(Qt::WA_TransparentForMouseEvents);
updateMinWidth();
parent->widthValue() | rpl::start_with_next([=](int width) {
const auto top = _labelPosition.y();
const auto skip = _labelPosition.x();
_text->resizeToWidth(width - 2 * skip);
_text->moveToLeft(skip, top);
resize(width, contentHeight());
}, lifetime());
}
not_null<QAction*> MultilineAction::action() const {
return _dummyAction;
}
bool MultilineAction::isEnabled() const {
return true;
}
int MultilineAction::contentHeight() const {
const auto skip = _labelPosition.y();
return skip + _text->height() + skip;
}
void MultilineAction::paintEvent(QPaintEvent *e) {
auto p = QPainter(this);
const auto selected = isSelected();
p.fillRect(rect(), selected ? _st.itemBgOver : _st.itemBg);
RippleButton::paintRipple(p, 0, 0);
if (const auto icon = (selected ? _iconOver : _icon)) {
icon->paint(p, _st.itemIconPosition, width());
}
}
void MultilineAction::updateMinWidth() {
const auto skip = _labelPosition.x();
auto min = _text->naturalWidth() / 2;
auto max = _text->naturalWidth() - skip;
_text->resizeToWidth(max);
const auto height = _text->height();
_text->resizeToWidth(min);
const auto heightMax = _text->height();
if (heightMax > height) {
while (min + 1 < max) {
const auto middle = (max + min) / 2;
_text->resizeToWidth(middle);
if (_text->height() > height) {
min = middle;
} else {
max = middle;
}
}
}
ItemBase::setMinWidth(skip * 2 + max);
}
} // namespace Ui::Menu