tdesktop/Telegram/SourceFiles/boxes/backgroundbox.cpp

286 lines
8.9 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.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://desktop.telegram.org
*/
#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) {
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::msgBG), ImagePtr(st::msgBG)));
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);
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, App::image(*thumb), App::image(*full)));
}
} 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) {
}
BackgroundBox::BackgroundBox() : _scroll(this, st::backgroundScroll), _inner(),
_close(this, lang(lng_contacts_done), st::contactsClose),
_hiding(false), a_opacity(0, 1) {
_width = st::participantWidth;
_height = App::wnd()->height() - st::boxPadding.top() - st::boxPadding.bottom();
resize(_width, _height);
resizeEvent(0);
_scroll.setWidget(&_inner);
_scroll.setFocusPolicy(Qt::NoFocus);
connect(&_close, SIGNAL(clicked()), this, SLOT(onClose()));
connect(&_inner, SIGNAL(backgroundChosen(int)), this, SLOT(onBackgroundChosen(int)));
showAll();
_cache = myGrab(this, rect());
hideAll();
}
void BackgroundBox::hideAll() {
_scroll.hide();
_close.hide();
}
void BackgroundBox::showAll() {
_scroll.show();
_close.show();
_close.raise();
}
void BackgroundBox::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Escape) {
onClose();
} else {
e->ignore();
}
}
void BackgroundBox::parentResized() {
QSize s = parentWidget()->size();
_height = App::wnd()->height() - st::boxPadding.top() - st::boxPadding.bottom();
if (_height > st::participantMaxHeight) _height = st::participantMaxHeight;
setGeometry((s.width() - _width) / 2, (s.height() - _height) / 2, _width, _height);
update();
}
void BackgroundBox::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (_cache.isNull()) {
if (!_hiding || a_opacity.current() > 0.01) {
// fill bg
p.fillRect(QRect(QPoint(0, 0), size()), st::boxBG->b);
// draw box title / text
p.setFont(st::boxFont->f);
p.setPen(st::boxGrayTitle->p);
p.drawText(QRect(st::addContactTitlePos.x(), st::addContactTitlePos.y(), _width - 2 * st::addContactTitlePos.x(), st::boxFont->height), lang(lng_backgrounds_header), style::al_top);
}
} else {
p.setOpacity(a_opacity.current());
p.drawPixmap(0, 0, _cache);
}
}
void BackgroundBox::resizeEvent(QResizeEvent *e) {
LayeredWidget::resizeEvent(e);
_inner.resize(_width, _inner.height());
_scroll.resize(_width, _height - st::boxFont->height - st::newGroupNamePadding.top() - st::newGroupNamePadding.bottom() - _close.height());
_scroll.move(0, st::boxFont->height + st::newGroupNamePadding.top() + st::newGroupNamePadding.bottom());
_close.move(0, _height - _close.height());
}
void BackgroundBox::animStep(float64 dt) {
if (dt >= 1) {
a_opacity.finish();
_cache = QPixmap();
if (!_hiding) {
showAll();
}
} else {
a_opacity.update(dt, anim::linear);
}
update();
}
void BackgroundBox::startHide() {
_hiding = true;
if (_cache.isNull()) {
_cache = myGrab(this, rect());
hideAll();
}
a_opacity.start(0);
}
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);
}
emit closed();
}
void BackgroundBox::onClose() {
emit closed();
}
BackgroundBox::~BackgroundBox() {
}