tdesktop/Telegram/SourceFiles/window/section_widget.cpp

111 lines
2.8 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "window/section_widget.h"
#include <rpl/range.h>
#include "application.h"
#include "window/section_memento.h"
#include "window/window_slide_animation.h"
namespace Window {
SectionWidget::SectionWidget(
QWidget *parent,
not_null<Window::Controller*> controller)
: AbstractSectionWidget(parent, controller) {
}
void SectionWidget::setGeometryWithTopMoved(
const QRect &newGeometry,
int topDelta) {
_topDelta = topDelta;
bool willBeResized = (size() != newGeometry.size());
if (geometry() != newGeometry) {
auto that = weak(this);
setGeometry(newGeometry);
if (!that) {
return;
}
}
if (!willBeResized) {
resizeEvent(nullptr);
}
_topDelta = 0;
}
void SectionWidget::showAnimated(
SlideDirection direction,
const SectionSlideParams &params) {
if (_showAnimation) return;
showChildren();
auto myContentCache = grabForShowAnimation(params);
hideChildren();
showAnimatedHook(params);
_showAnimation = std::make_unique<SlideAnimation>();
_showAnimation->setDirection(direction);
_showAnimation->setRepaintCallback([this] { update(); });
_showAnimation->setFinishedCallback([this] { showFinished(); });
_showAnimation->setPixmaps(
params.oldContentCache,
myContentCache);
_showAnimation->setTopBarShadow(params.withTopBarShadow);
_showAnimation->setWithFade(params.withFade);
_showAnimation->start();
show();
}
std::unique_ptr<SectionMemento> SectionWidget::createMemento() {
return nullptr;
}
void SectionWidget::showFast() {
show();
showFinished();
}
void SectionWidget::paintEvent(QPaintEvent *e) {
if (_showAnimation) {
Painter p(this);
_showAnimation->paintContents(p, e->rect());
}
}
void SectionWidget::showFinished() {
_showAnimation.reset();
if (isHidden()) return;
showChildren();
showFinishedHook();
setInnerFocus();
}
rpl::producer<int> SectionWidget::desiredHeight() const {
return rpl::single(height());
}
SectionWidget::~SectionWidget() = default;
} // namespace Window