99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "info/info_top_bar.h"
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#include "styles/style_info.h"
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#include "ui/widgets/buttons.h"
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#include "ui/widgets/labels.h"
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namespace Info {
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TopBar::TopBar(QWidget *parent, const style::InfoTopBar &st)
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: RpWidget(parent)
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, _st(st) {
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setAttribute(Qt::WA_OpaquePaintEvent);
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}
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void TopBar::setTitle(rpl::producer<QString> &&title) {
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_title.create(this, std::move(title), _st.title);
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if (_back) {
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_title->setAttribute(Qt::WA_TransparentForMouseEvents);
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}
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updateControlsGeometry(width());
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}
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void TopBar::enableBackButton(bool enable) {
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if (enable) {
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_back.create(this, _st.back);
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_back->clicks()
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| rpl::start_to_stream(_backClicks, _lifetime);
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} else {
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_back.destroy();
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}
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if (_title) {
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_title->setAttribute(Qt::WA_TransparentForMouseEvents, enable);
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}
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updateControlsGeometry(width());
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}
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void TopBar::pushButton(object_ptr<Ui::RpWidget> button) {
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auto weak = Ui::AttachParentChild(this, button);
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_buttons.push_back(std::move(button));
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weak->widthValue()
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| rpl::start([this](auto&&) {
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this->updateControlsGeometry(this->width());
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}, _lifetime);
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}
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int TopBar::resizeGetHeight(int newWidth) {
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updateControlsGeometry(newWidth);
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return _st.height;
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}
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void TopBar::updateControlsGeometry(int newWidth) {
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auto right = 0;
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for (auto &button : _buttons) {
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button->moveToRight(right, 0, newWidth);
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right += button->width();
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}
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if (_back) {
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_back->setGeometryToLeft(
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0,
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0,
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newWidth - right,
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_back->height(),
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newWidth);
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}
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if (_title) {
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_title->moveToLeft(
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_back ? _st.back.width : _st.titlePosition.x(),
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_st.titlePosition.y(),
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newWidth);
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}
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}
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void TopBar::paintEvent(QPaintEvent *e) {
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Painter p(this);
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p.fillRect(e->rect(), _st.bg);
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}
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} // namespace Info
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