134 lines
4.3 KiB
C++
134 lines
4.3 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 "settings/settings_layer.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 "styles/style_window.h"
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#include "styles/style_boxes.h"
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#include "ui/effects/widget_fade_wrap.h"
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#include "ui/widgets/scroll_area.h"
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#include "ui/widgets/buttons.h"
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#include "mainwindow.h"
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#include "mainwidget.h"
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#include "storage/localstorage.h"
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#include "boxes/confirm_box.h"
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#include "application.h"
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#include "core/file_utilities.h"
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#include "window/themes/window_theme.h"
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namespace Settings {
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Layer::Layer()
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: _scroll(this, st::settingsScroll)
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, _fixedBar(this)
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, _fixedBarClose(this, st::settingsFixedBarClose)
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, _fixedBarShadow(this, object_ptr<BoxLayerTitleShadow>(this)) {
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_fixedBar->moveToLeft(0, st::boxRadius);
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_fixedBarClose->moveToRight(0, 0);
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_fixedBarShadow->entity()->resize(width(), st::lineWidth);
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_fixedBarShadow->moveToLeft(0, _fixedBar->y() + _fixedBar->height());
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_fixedBarShadow->hideFast();
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_scroll->moveToLeft(0, st::settingsFixedBarHeight);
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connect(_scroll, SIGNAL(scrolled()), this, SLOT(onScroll()));
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}
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void Layer::setCloseClickHandler(base::lambda<void()> callback) {
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_fixedBarClose->setClickedCallback(std::move(callback));
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}
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void Layer::onScroll() {
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if (_scroll->scrollTop() > 0) {
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_fixedBarShadow->showAnimated();
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} else {
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_fixedBarShadow->hideAnimated();
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}
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}
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void Layer::resizeToWidth(int newWidth, int newContentLeft) {
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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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resizeUsingInnerHeight(newWidth, _inner->height());
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}
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void Layer::onInnerHeightUpdated() {
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resizeUsingInnerHeight(width(), _inner->height());
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}
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void Layer::doSetInnerWidget(object_ptr<LayerInner> widget) {
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_inner = _scroll->setOwnedWidget(std::move(widget));
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connect(_inner, SIGNAL(heightUpdated()), this, SLOT(onInnerHeightUpdated()));
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}
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void Layer::paintEvent(QPaintEvent *e) {
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Painter p(this);
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auto clip = e->rect();
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if (_roundedCorners) {
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auto paintTopRounded = clip.intersects(QRect(0, 0, width(), st::boxRadius));
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auto paintBottomRounded = clip.intersects(QRect(0, height() - st::boxRadius, width(), st::boxRadius));
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if (paintTopRounded || paintBottomRounded) {
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auto parts = qFlags(RectPart::None);
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if (paintTopRounded) parts |= RectPart::FullTop;
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if (paintBottomRounded) parts |= RectPart::FullBottom;
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App::roundRect(p, rect(), st::boxBg, BoxCorners, nullptr, parts);
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}
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auto other = clip.intersected(QRect(0, st::boxRadius, width(), height() - 2 * st::boxRadius));
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if (!other.isEmpty()) {
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p.fillRect(other, st::boxBg);
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}
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} else {
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p.fillRect(e->rect(), st::boxBg);
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}
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}
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void Layer::resizeEvent(QResizeEvent *e) {
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LayerWidget::resizeEvent(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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_fixedBar->moveToLeft(0, st::boxRadius);
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_fixedBarClose->moveToRight(0, 0);
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auto shadowTop = _fixedBar->y() + _fixedBar->height();
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_fixedBarShadow->entity()->resize(width(), st::lineWidth);
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_fixedBarShadow->moveToLeft(0, shadowTop);
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auto scrollSize = QSize(width(), height() - shadowTop - (_roundedCorners ? st::boxRadius : 0));
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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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auto 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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void Layer::setTitle(const QString &title) {
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_fixedBar->setText(title);
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}
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} // namespace Settings
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