tdesktop/Telegram/SourceFiles/boxes/photosendbox.cpp

132 lines
4.1 KiB
C++

/*
This file is part of Telegram Desktop,
an unofficial desktop 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://tdesktop.com
*/
#include "stdafx.h"
#include "style.h"
#include "lang.h"
#include "app.h"
#include "mainwidget.h"
#include "photosendbox.h"
PhotoSendBox::PhotoSendBox(const ReadyLocalMedia &img) : _img(img),
_sendButton(this, lang(lng_send_button), st::btnSelectDone),
_cancelButton(this, lang(lng_cancel), st::btnSelectCancel),
a_opacity(0, 1) {
connect(&_sendButton, SIGNAL(clicked()), this, SLOT(onSend()));
connect(&_cancelButton, SIGNAL(clicked()), this, SLOT(onCancel()));
int32 maxW = 0, maxH = 0;
for (PreparedPhotoThumbs::const_iterator i = img.photoThumbs.cbegin(), e = img.photoThumbs.cend(); i != e; ++i) {
if (i->width() >= maxW && i->height() >= maxH) {
_thumb = *i;
maxW = _thumb.width();
maxH = _thumb.height();
}
}
int32 tw = _thumb.width(), th = _thumb.height();
if (!tw || !th) {
tw = th = 1;
}
_width = st::confirmWidth;
_thumbw = _width - st::boxPadding.left() - st::boxPadding.right();
if (_thumb.width() < _thumbw) {
_thumbw = (_thumb.width() > 20) ? _thumb.width() : 20;
}
int32 maxthumbh = qRound(1.5 * _thumbw);
_thumbh = qRound(th * float64(_thumbw) / tw);
if (_thumbh > maxthumbh) {
_thumbw = qRound(_thumbw * float64(maxthumbh) / _thumbh);
_thumbh = maxthumbh;
if (_thumbw < 10) {
_thumbw = 10;
}
}
_height = _thumbh + st::boxPadding.top() + st::boxFont->height + st::boxPadding.bottom() + st::boxPadding.bottom() + _sendButton.height();
_thumb = QPixmap::fromImage(_thumb.toImage().scaled(_thumbw, _thumbh, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
resize(_width, _height);
}
void PhotoSendBox::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
onSend();
} else if (e->key() == Qt::Key_Escape) {
onCancel();
}
}
void PhotoSendBox::parentResized() {
QSize s = parentWidget()->size();
setGeometry((s.width() - _width) / 2, (s.height() - _height) / 2, _width, _height);
_sendButton.move(_width - _sendButton.width(), _height - _sendButton.height());
_cancelButton.move(0, _height - _cancelButton.height());
update();
}
void PhotoSendBox::paintEvent(QPaintEvent *e) {
QPainter p(this);
p.setOpacity(a_opacity.current());
// fill bg
p.fillRect(QRect(QPoint(0, 0), size()), st::boxBG->b);
// paint shadows
p.fillRect(0, _height - st::btnSelectCancel.height - st::scrollDef.bottomsh, _width, st::scrollDef.bottomsh, st::scrollDef.shColor->b);
// paint button sep
p.setPen(st::btnSelectSep->p);
p.drawLine(st::btnSelectCancel.width, _height - st::btnSelectCancel.height, st::btnSelectCancel.width, _height - 1);
p.setFont(st::boxFont->f);
p.setPen(st::boxGrayTitle->p);
p.drawText(QRect(st::boxPadding.left(), st::boxPadding.top(), _width - st::boxPadding.left() - st::boxPadding.right(), st::boxFont->height), lang(lng_really_send_image), style::al_center);
p.drawPixmap((_width - _thumbw) / 2, st::boxPadding.top() * 2 + st::boxFont->height, _thumb);
}
void PhotoSendBox::animStep(float64 ms) {
if (ms >= 1) {
a_opacity.finish();
} else {
a_opacity.update(ms, anim::linear);
}
_sendButton.setOpacity(a_opacity.current());
_cancelButton.setOpacity(a_opacity.current());
update();
}
void PhotoSendBox::onSend() {
if (App::main()) App::main()->confirmSendImage(_img);
emit closed();
}
void PhotoSendBox::onCancel() {
if (App::main()) App::main()->cancelSendImage();
emit closed();
}
void PhotoSendBox::startHide() {
_hiding = true;
a_opacity.start(0);
}
PhotoSendBox::~PhotoSendBox() {
if (App::main()) App::main()->cancelSendImage();
}