tdesktop/Telegram/SourceFiles/layerwidget.cpp

414 lines
11 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) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "lang.h"
#include "layerwidget.h"
#include "application.h"
#include "mainwindow.h"
#include "mainwidget.h"
#include "ui/filedialog.h"
BackgroundWidget::BackgroundWidget(QWidget *parent, LayeredWidget *w) : TWidget(parent)
, w(w)
, a_bg(0)
, _a_background(animation(this, &BackgroundWidget::step_background))
, hiding(false)
, shadow(st::boxShadow) {
w->setParent(this);
if (App::app()) App::app()->mtpPause();
setGeometry(0, 0, App::wnd()->width(), App::wnd()->height());
a_bg.start(1);
_a_background.start();
show();
connect(w, SIGNAL(closed()), this, SLOT(onInnerClose()));
connect(w, SIGNAL(resized()), this, SLOT(update()));
connect(w, SIGNAL(destroyed(QObject*)), this, SLOT(boxDestroyed(QObject*)));
w->setFocus();
}
void BackgroundWidget::showFast() {
_a_background.step(getms() + st::layerSlideDuration + 1);
update();
}
void BackgroundWidget::paintEvent(QPaintEvent *e) {
if (!w) return;
bool trivial = (rect() == e->rect());
QPainter p(this);
if (!trivial) {
p.setClipRect(e->rect());
}
p.setOpacity(st::layerAlpha * a_bg.current());
p.fillRect(rect(), st::layerBg->b);
p.setOpacity(a_bg.current());
shadow.paint(p, w->geometry(), st::boxShadowShift);
}
void BackgroundWidget::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Escape) {
onClose();
}
}
void BackgroundWidget::mousePressEvent(QMouseEvent *e) {
onClose();
}
void BackgroundWidget::onClose() {
startHide();
}
bool BackgroundWidget::onInnerClose() {
if (_hidden.isEmpty()) {
onClose();
return true;
}
w->hide();
w->deleteLater();
w = _hidden.back();
_hidden.pop_back();
w->show();
resizeEvent(0);
w->showStep(1);
update();
return false;
}
void BackgroundWidget::startHide() {
if (hiding) return;
if (App::app()) App::app()->mtpPause();
hiding = true;
if (App::wnd()) App::wnd()->setInnerFocus();
a_bg.start(0);
_a_background.start();
w->startHide();
}
bool BackgroundWidget::canSetFocus() const {
return w && !hiding;
}
void BackgroundWidget::setInnerFocus() {
if (w) {
w->setInnerFocus();
}
}
bool BackgroundWidget::contentOverlapped(const QRect &globalRect) {
if (isHidden()) return false;
return w && w->overlaps(globalRect);
}
void BackgroundWidget::resizeEvent(QResizeEvent *e) {
w->parentResized();
}
void BackgroundWidget::updateAdaptiveLayout() {
}
void BackgroundWidget::replaceInner(LayeredWidget *n) {
_hidden.push_back(w);
w->hide();
w = n;
w->setParent(this);
connect(w, SIGNAL(closed()), this, SLOT(onInnerClose()));
connect(w, SIGNAL(resized()), this, SLOT(update()));
connect(w, SIGNAL(destroyed(QObject*)), this, SLOT(boxDestroyed(QObject*)));
w->show();
resizeEvent(0);
w->showStep(1);
update();
}
void BackgroundWidget::showLayerLast(LayeredWidget *n) {
_hidden.push_front(n);
n->setParent(this);
connect(n, SIGNAL(closed()), this, SLOT(onInnerClose()));
connect(n, SIGNAL(resized()), this, SLOT(update()));
connect(n, SIGNAL(destroyed(QObject*)), this, SLOT(boxDestroyed(QObject*)));
n->parentResized();
n->showStep(1);
n->hide();
update();
}
void BackgroundWidget::step_background(float64 ms, bool timer) {
float64 dt = ms / (hiding ? st::layerHideDuration : st::layerSlideDuration);
w->showStep(dt);
if (dt >= 1) {
a_bg.finish();
if (hiding) {
App::wnd()->layerFinishedHide(this);
}
_a_background.stop();
if (App::app()) App::app()->mtpUnpause();
} else {
a_bg.update(dt, anim::easeOutCirc);
}
if (timer) update();
}
void BackgroundWidget::boxDestroyed(QObject *obj) {
if (obj == w) {
if (App::wnd()) App::wnd()->layerFinishedHide(this);
w = 0;
} else {
int32 index = _hidden.indexOf(static_cast<LayeredWidget*>(obj));
if (index >= 0) {
_hidden.removeAt(index);
}
}
}
BackgroundWidget::~BackgroundWidget() {
if (App::wnd()) App::wnd()->noBox(this);
w->deleteLater();
for (HiddenLayers::const_iterator i = _hidden.cbegin(), e = _hidden.cend(); i != e; ++i) {
(*i)->deleteLater();
}
}
MediaPreviewWidget::MediaPreviewWidget(QWidget *parent) : TWidget(parent)
, a_shown(0, 0)
, _a_shown(animation(this, &MediaPreviewWidget::step_shown)) {
setAttribute(Qt::WA_TransparentForMouseEvents);
connect(App::wnd(), SIGNAL(imageLoaded()), this, SLOT(update()));
}
void MediaPreviewWidget::paintEvent(QPaintEvent *e) {
Painter p(this);
QRect r(e->rect());
const QPixmap &draw(currentImage());
int w = draw.width() / cIntRetinaFactor(), h = draw.height() / cIntRetinaFactor();
if (_a_shown.animating()) {
float64 shown = a_shown.current();
p.setOpacity(shown);
// w = qMax(qRound(w * (st::stickerPreviewMin + ((1. - st::stickerPreviewMin) * shown)) / 2.) * 2 + int(w % 2), 1);
// h = qMax(qRound(h * (st::stickerPreviewMin + ((1. - st::stickerPreviewMin) * shown)) / 2.) * 2 + int(h % 2), 1);
}
p.fillRect(r, st::stickerPreviewBg);
p.drawPixmap((width() - w) / 2, (height() - h) / 2, draw);
}
void MediaPreviewWidget::resizeEvent(QResizeEvent *e) {
update();
}
void MediaPreviewWidget::step_shown(float64 ms, bool timer) {
float64 dt = ms / st::stickerPreviewDuration;
if (dt >= 1) {
_a_shown.stop();
a_shown.finish();
if (a_shown.current() < 0.5) hide();
} else {
a_shown.update(dt, anim::linear);
}
if (timer) update();
}
void MediaPreviewWidget::showPreview(DocumentData *document) {
if (!document || (!document->isAnimation() && !document->sticker())) {
hidePreview();
return;
}
startShow();
_photo = nullptr;
_document = document;
resetGifAndCache();
}
void MediaPreviewWidget::showPreview(PhotoData *photo) {
if (!photo || photo->full->isNull()) {
hidePreview();
return;
}
startShow();
_photo = photo;
_document = nullptr;
resetGifAndCache();
}
void MediaPreviewWidget::startShow() {
_cache = QPixmap();
if (isHidden() || _a_shown.animating()) {
if (isHidden()) show();
a_shown.start(1);
_a_shown.start();
} else {
update();
}
}
void MediaPreviewWidget::hidePreview() {
if (isHidden()) {
return;
}
if (_gif) _cache = currentImage();
a_shown.start(0);
_a_shown.start();
_photo = nullptr;
_document = nullptr;
resetGifAndCache();
}
void MediaPreviewWidget::resetGifAndCache() {
if (_gif) {
if (gif()) {
delete _gif;
}
_gif = nullptr;
}
_cacheStatus = CacheNotLoaded;
_cachedSize = QSize();
}
QSize MediaPreviewWidget::currentDimensions() const {
if (!_cachedSize.isEmpty()) {
return _cachedSize;
}
if (!_document && !_photo) {
_cachedSize = QSize(_cache.width() / cIntRetinaFactor(), _cache.height() / cIntRetinaFactor());
return _cachedSize;
}
QSize result, box;
if (_photo) {
result = QSize(_photo->full->width(), _photo->full->height());
box = QSize(width() - 2 * st::boxVerticalMargin, height() - 2 * st::boxVerticalMargin);
} else {
result = _document->dimensions;
if (gif() && _gif->ready()) {
result = QSize(_gif->width(), _gif->height());
}
if (_document->sticker()) {
box = QSize(st::maxStickerSize, st::maxStickerSize);
} else {
box = QSize(2 * st::maxStickerSize, 2 * st::maxStickerSize);
}
}
result = QSize(qMax(convertScale(result.width()), 1), qMax(convertScale(result.height()), 1));
if (result.width() > box.width()) {
result.setHeight(qMax((box.width() * result.height()) / result.width(), 1));
result.setWidth(box.width());
}
if (result.height() > box.height()) {
result.setWidth(qMax((box.height() * result.width()) / result.height(), 1));
result.setHeight(box.height());
}
if (_photo) {
_cachedSize = result;
}
return result;
}
QPixmap MediaPreviewWidget::currentImage() const {
if (_document) {
if (_document->sticker()) {
if (_cacheStatus != CacheLoaded) {
_document->checkSticker();
if (_document->sticker()->img->isNull()) {
if (_cacheStatus != CacheThumbLoaded && _document->thumb->loaded()) {
QSize s = currentDimensions();
_cache = _document->thumb->pixBlurred(s.width(), s.height());
_cacheStatus = CacheThumbLoaded;
}
} else {
QSize s = currentDimensions();
_cache = _document->sticker()->img->pix(s.width(), s.height());
_cacheStatus = CacheLoaded;
}
}
} else {
_document->automaticLoad(nullptr);
if (_document->loaded()) {
if (!_gif && _gif != BadClipReader) {
MediaPreviewWidget *that = const_cast<MediaPreviewWidget*>(this);
that->_gif = new ClipReader(_document->location(), _document->data(), func(that, &MediaPreviewWidget::clipCallback));
if (gif()) _gif->setAutoplay();
}
}
if (gif() && _gif->started()) {
QSize s = currentDimensions();
return _gif->current(s.width(), s.height(), s.width(), s.height(), getms());
}
if (_cacheStatus != CacheThumbLoaded && _document->thumb->loaded()) {
QSize s = currentDimensions();
_cache = _document->thumb->pixBlurred(s.width(), s.height());
_cacheStatus = CacheThumbLoaded;
}
}
} else if (_photo) {
if (_cacheStatus != CacheLoaded) {
if (_photo->full->loaded()) {
QSize s = currentDimensions();
LOG(("DIMENSIONS: %1 %2").arg(s.width()).arg(s.height()));
_cache = _photo->full->pix(s.width(), s.height());
_cacheStatus = CacheLoaded;
} else {
if (_cacheStatus != CacheThumbLoaded && _photo->thumb->loaded()) {
QSize s = currentDimensions();
LOG(("DIMENSIONS: %1 %2").arg(s.width()).arg(s.height()));
_cache = _photo->thumb->pixBlurred(s.width(), s.height());
_cacheStatus = CacheThumbLoaded;
}
_photo->thumb->load();
_photo->full->load();
}
}
}
return _cache;
}
void MediaPreviewWidget::clipCallback(ClipReaderNotification notification) {
switch (notification) {
case ClipReaderReinit: {
if (gif() && _gif->state() == ClipError) {
delete _gif;
_gif = BadClipReader;
}
if (gif() && _gif->ready() && !_gif->started()) {
QSize s = currentDimensions();
_gif->start(s.width(), s.height(), s.width(), s.height(), false);
}
update();
} break;
case ClipReaderRepaint: {
if (gif() && !_gif->currentDisplayed()) {
update();
}
} break;
}
}
MediaPreviewWidget::~MediaPreviewWidget() {
}