afb81b8278
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57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "ui/widgets/horizontal_fit_container.h"
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#include "ui/widgets/buttons.h"
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namespace Ui {
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HorizontalFitContainer::HorizontalFitContainer(
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not_null<RpWidget*> parent,
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int spacing)
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: RpWidget(parent)
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, _spacing(spacing) {
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sizeValue() | rpl::on_next([=](QSize size) {
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updateLayout(size);
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}, lifetime());
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}
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int HorizontalFitContainer::add(not_null<AbstractButton*> button) {
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const auto id = _nextId++;
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_buttons.emplace(id, base::unique_qptr<AbstractButton>{ button.get() });
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button->setParent(this);
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button->show();
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updateLayout(size());
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return id;
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}
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void HorizontalFitContainer::remove(int id) {
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if (const auto it = _buttons.find(id); it != _buttons.end()) {
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_buttons.erase(it);
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updateLayout(size());
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}
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}
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void HorizontalFitContainer::updateLayout(QSize size) {
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_layoutLifetime.destroy();
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if (_buttons.empty()) {
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return;
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}
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const auto count = int(_buttons.size());
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const auto totalSpacing = _spacing * (count - 1);
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const auto buttonWidth = (size.width() - totalSpacing) / count;
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const auto h = size.height();
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auto x = 0;
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for (const auto &[id, button] : _buttons) {
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button->setGeometry(x, 0, buttonWidth, h);
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x += buttonWidth + _spacing;
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}
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}
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} // namespace Ui
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