118 lines
3.9 KiB
C++
118 lines
3.9 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) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "settings/settings_widget.h"
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#include "settings/settings_inner_widget.h"
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#include "settings/settings_fixed_bar.h"
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#include "styles/style_settings.h"
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#include "ui/scrollarea.h"
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#include "mainwindow.h"
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namespace Settings {
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Widget::Widget() : LayerWidget()
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, _scroll(this, st::setScroll)
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, _inner(this)
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, _fixedBar(this)
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, _fixedBarShadow1(this, st::settingsFixedBarShadowBg1)
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, _fixedBarShadow2(this, st::settingsFixedBarShadowBg2) {
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_scroll->setOwnedWidget(_inner);
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setAttribute(Qt::WA_OpaquePaintEvent);
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_fixedBar->move(0, 0);
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_fixedBarShadow1->move(0, _fixedBar->y() + st::settingsFixedBarHeight);
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_fixedBarShadow2->move(0, _fixedBarShadow1->y() + st::lineWidth);
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_scroll->move(0, st::settingsFixedBarHeight);
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}
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void Widget::parentResized() {
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int windowWidth = App::wnd()->width();
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int newWidth = st::settingsMaxWidth;
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int newContentLeft = st::settingsMaxPadding;
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if (windowWidth <= st::settingsMaxWidth) {
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newWidth = windowWidth;
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newContentLeft = st::settingsMinPadding;
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if (windowWidth > st::wndMinWidth) {
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// Width changes from st::wndMinWidth to st::settingsMaxWidth.
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// Padding changes from st::settingsMinPadding to st::settingsMaxPadding.
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newContentLeft += ((newWidth - st::wndMinWidth) * (st::settingsMaxPadding - st::settingsMinPadding)) / (st::settingsMaxWidth - st::wndMinWidth);
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}
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} else if (windowWidth < st::settingsMaxWidth + 2 * st::settingsMargin) {
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newWidth = windowWidth - 2 * st::settingsMargin;
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newContentLeft = st::settingsMinPadding;
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if (windowWidth > st::wndMinWidth) {
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// Width changes from st::wndMinWidth to st::settingsMaxWidth.
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// Padding changes from st::settingsMinPadding to st::settingsMaxPadding.
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newContentLeft += ((newWidth - st::wndMinWidth) * (st::settingsMaxPadding - st::settingsMinPadding)) / (st::settingsMaxWidth - st::wndMinWidth);
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}
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}
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// Widget height depends on InnerWidget height, so we
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// resize it here, not in the resizeEvent() handler.
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_inner->resizeToWidth(newWidth, newContentLeft);
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int windowHeight = App::wnd()->height();
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int maxHeight = st::settingsFixedBarHeight + _inner->height();
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int newHeight = maxHeight;
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if (newHeight > windowHeight || newWidth >= windowWidth) {
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newHeight = windowHeight;
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}
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if (_contentLeft != newContentLeft) {
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_contentLeft = newContentLeft;
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}
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setGeometry((App::wnd()->width() - newWidth) / 2, (App::wnd()->height() - newHeight) / 2, newWidth, newHeight);
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update();
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}
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void Widget::showDone() {
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_inner->showFinished();
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}
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void Widget::paintEvent(QPaintEvent *e) {
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Painter p(this);
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p.fillRect(rect(), st::windowBg);
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}
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void Widget::resizeEvent(QResizeEvent *e) {
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if (!width() || !height()) {
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return;
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}
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_fixedBar->resizeToWidth(width());
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_fixedBarShadow1->resize(width(), st::lineWidth);
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_fixedBarShadow2->resize(width(), st::lineWidth);
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QSize scrollSize(width(), height() - _fixedBar->height());
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if (_scroll->size() != scrollSize) {
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_scroll->resize(scrollSize);
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}
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if (!_scroll->isHidden()) {
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int scrollTop = _scroll->scrollTop();
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_inner->setVisibleTopBottom(scrollTop, scrollTop + _scroll->height());
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}
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}
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} // namespace Settings
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