tdesktop/Telegram/SourceFiles/boxes/backgroundbox.cpp

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/*
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.
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In addition, as a special exception, the copyright holders give permission
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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*/
#include "stdafx.h"
#include "lang.h"
#include "backgroundbox.h"
#include "mainwidget.h"
#include "window.h"
#include "settingswidget.h"
BackgroundInner::BackgroundInner() :
_bgCount(0), _rows(0), _over(-1), _overDown(-1) {
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connect(App::wnd(), SIGNAL(imageLoaded()), this, SLOT(update()));
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if (App::cServerBackgrounds().isEmpty()) {
resize(BackgroundsInRow * (st::backgroundSize.width() + st::backgroundPadding) + st::backgroundPadding, 2 * (st::backgroundSize.height() + st::backgroundPadding) + st::backgroundPadding);
MTP::send(MTPaccount_GetWallPapers(), rpcDone(&BackgroundInner::gotWallpapers));
} else {
updateWallpapers();
}
setMouseTracking(true);
}
void BackgroundInner::gotWallpapers(const MTPVector<MTPWallPaper> &result) {
App::WallPapers wallpapers;
wallpapers.push_back(App::WallPaper(0, ImagePtr(st::msgBG0), ImagePtr(st::msgBG0)));
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const QVector<MTPWallPaper> &v(result.c_vector().v);
for (int i = 0, l = v.size(); i < l; ++i) {
const MTPWallPaper w(v.at(i));
switch (w.type()) {
case mtpc_wallPaper: {
const MTPDwallPaper &d(w.c_wallPaper());
const QVector<MTPPhotoSize> &sizes(d.vsizes.c_vector().v);
const MTPPhotoSize *thumb = 0, *full = 0;
int32 thumbLevel = -1, fullLevel = -1;
for (QVector<MTPPhotoSize>::const_iterator j = sizes.cbegin(), e = sizes.cend(); j != e; ++j) {
char size = 0;
int32 w = 0, h = 0;
switch (j->type()) {
case mtpc_photoSize: {
const string &s(j->c_photoSize().vtype.c_string().v);
if (s.size()) size = s[0];
w = j->c_photoSize().vw.v;
h = j->c_photoSize().vh.v;
} break;
case mtpc_photoCachedSize: {
const string &s(j->c_photoCachedSize().vtype.c_string().v);
if (s.size()) size = s[0];
w = j->c_photoCachedSize().vw.v;
h = j->c_photoCachedSize().vh.v;
} break;
}
if (!size || !w || !h) continue;
int32 newThumbLevel = qAbs((st::backgroundSize.width() * cIntRetinaFactor()) - w), newFullLevel = qAbs(2560 - w);
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if (thumbLevel < 0 || newThumbLevel < thumbLevel) {
thumbLevel = newThumbLevel;
thumb = &(*j);
}
if (fullLevel < 0 || newFullLevel < fullLevel) {
fullLevel = newFullLevel;
full = &(*j);
}
}
if (thumb && full && full->type() != mtpc_photoSizeEmpty) {
wallpapers.push_back(App::WallPaper(d.vid.v ? d.vid.v : INT_MAX, App::image(*thumb), App::image(*full)));
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}
} break;
case mtpc_wallPaperSolid: {
const MTPDwallPaperSolid &d(w.c_wallPaperSolid());
} break;
}
}
App::cSetServerBackgrounds(wallpapers);
updateWallpapers();
}
void BackgroundInner::updateWallpapers() {
_bgCount = App::cServerBackgrounds().size();
_rows = _bgCount / BackgroundsInRow;
if (_bgCount % BackgroundsInRow) ++_rows;
resize(BackgroundsInRow * (st::backgroundSize.width() + st::backgroundPadding) + st::backgroundPadding, _rows * (st::backgroundSize.height() + st::backgroundPadding) + st::backgroundPadding);
for (int i = 0; i < BackgroundsInRow * 3; ++i) {
if (i >= _bgCount) break;
App::cServerBackgrounds().at(i).thumb->load();
}
}
void BackgroundInner::paintEvent(QPaintEvent *e) {
QRect r(e->rect());
QPainter p(this);
if (_rows) {
for (int i = 0; i < _rows; ++i) {
if ((st::backgroundSize.height() + st::backgroundPadding) * (i + 1) <= r.top()) continue;
for (int j = 0; j < BackgroundsInRow; ++j) {
int index = i * BackgroundsInRow + j;
if (index >= _bgCount) break;
const App::WallPaper &paper(App::cServerBackgrounds().at(index));
paper.thumb->load();
int x = st::backgroundPadding + j * (st::backgroundSize.width() + st::backgroundPadding);
int y = st::backgroundPadding + i * (st::backgroundSize.height() + st::backgroundPadding);
const QPixmap &pix(paper.thumb->pix(st::backgroundSize.width(), st::backgroundSize.height()));
p.drawPixmap(x, y, pix);
if (paper.id == cChatBackgroundId()) {
p.drawPixmap(QPoint(x + st::backgroundSize.width() - st::overviewPhotoChecked.pxWidth(), y + st::backgroundSize.height() - st::overviewPhotoChecked.pxHeight()), App::sprite(), st::overviewPhotoChecked);
}
}
}
} else {
p.setFont(st::noContactsFont->f);
p.setPen(st::noContactsColor->p);
p.drawText(QRect(0, 0, width(), st::noContactsHeight), lang(lng_contacts_loading), style::al_center);
}
}
void BackgroundInner::mouseMoveEvent(QMouseEvent *e) {
int x = e->pos().x(), y = e->pos().y();
int row = int((y - st::backgroundPadding) / (st::backgroundSize.height() + st::backgroundPadding));
if (y - row * (st::backgroundSize.height() + st::backgroundPadding) > st::backgroundPadding + st::backgroundSize.height()) row = _rows + 1;
int col = int((x - st::backgroundPadding) / (st::backgroundSize.width() + st::backgroundPadding));
if (x - col * (st::backgroundSize.width() + st::backgroundPadding) > st::backgroundPadding + st::backgroundSize.width()) row = _rows + 1;
int newOver = row * BackgroundsInRow + col;
if (newOver >= _bgCount) newOver = -1;
if (newOver != _over) {
_over = newOver;
setCursor((_over >= 0 || _overDown >= 0) ? style::cur_pointer : style::cur_default);
}
}
void BackgroundInner::mousePressEvent(QMouseEvent *e) {
_overDown = _over;
}
void BackgroundInner::mouseReleaseEvent(QMouseEvent *e) {
if (_overDown == _over && _over >= 0) {
emit backgroundChosen(_over);
} else if (_over < 0) {
setCursor(style::cur_default);
}
}
BackgroundInner::~BackgroundInner() {
}
void BackgroundInner::resizeEvent(QResizeEvent *e) {
}
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BackgroundBox::BackgroundBox() : ItemListBox(st::backgroundScroll)
, _inner() {
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init(&_inner);
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connect(&_inner, SIGNAL(backgroundChosen(int)), this, SLOT(onBackgroundChosen(int)));
prepare();
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}
void BackgroundBox::paintEvent(QPaintEvent *e) {
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Painter p(this);
if (paint(p)) return;
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paintTitle(p, lang(lng_backgrounds_header));
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}
void BackgroundBox::onBackgroundChosen(int index) {
if (index >= 0 && index < App::cServerBackgrounds().size()) {
const App::WallPaper &paper(App::cServerBackgrounds().at(index));
if (App::main()) App::main()->setChatBackground(paper);
if (App::settings()) App::settings()->needBackgroundUpdate(!paper.id);
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}
emit closed();
}