tdesktop/Telegram/SourceFiles/boxes/confirmbox.cpp

128 lines
3.6 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 "lang.h"
#include "confirmbox.h"
#include "mainwidget.h"
#include "window.h"
ConfirmBox::ConfirmBox(QString text, QString doneText, QString cancelText) :
_confirm(this, doneText.isEmpty() ? lang(lng_continue) : doneText, st::btnSelectDone),
_cancel(this, cancelText.isEmpty() ? lang(lng_cancel) : cancelText, st::btnSelectCancel),
_text(100), _hiding(false), a_opacity(0, 1), af_opacity(anim::linear) {
_text.setText(st::boxFont, text, _textPlainOptions);
_width = st::confirmWidth;
_textWidth = _width - st::boxPadding.left() - st::boxPadding.right();
_textHeight = _text.countHeight(_textWidth);
_height = st::boxPadding.top() + _textHeight + st::boxPadding.bottom() + _confirm.height();
_confirm.move(_width - _confirm.width(), st::boxPadding.top() + _textHeight + st::boxPadding.bottom());
_cancel.move(0, st::boxPadding.top() + _textHeight + st::boxPadding.bottom());
connect(&_confirm, SIGNAL(clicked()), this, SIGNAL(confirmed()));
connect(&_cancel, SIGNAL(clicked()), this, SLOT(onCancel()));
resize(_width, _height);
showAll();
_cache = myGrab(this, rect());
hideAll();
}
void ConfirmBox::hideAll() {
_confirm.hide();
_cancel.hide();
}
void ConfirmBox::showAll() {
_confirm.show();
_cancel.show();
}
void ConfirmBox::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
emit confirmed();
} else if (e->key() == Qt::Key_Escape) {
onCancel();
}
}
void ConfirmBox::parentResized() {
QSize s = parentWidget()->size();
setGeometry((s.width() - _width) / 2, (s.height() - _height) / 2, _width, _height);
update();
}
void ConfirmBox::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (_cache.isNull()) {
if (!_hiding || a_opacity.current() > 0.01) {
// fill bg
p.fillRect(0, 0, _width, _height, 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.fillRect(st::btnSelectCancel.width, _height - st::btnSelectCancel.height, st::lineWidth, st::btnSelectCancel.height, st::btnSelectSep->b);
// draw box title / text
p.setFont(st::boxFont->f);
p.setPen(st::black->p);
_text.draw(p, st::boxPadding.left(), st::boxPadding.top(), _textWidth, (_text.maxWidth() < _width) ? style::al_center : style::al_left);
}
} else {
p.setOpacity(a_opacity.current());
p.drawPixmap(0, 0, _cache);
}
}
void ConfirmBox::animStep(float64 ms) {
if (ms >= 1) {
a_opacity.finish();
_cache = QPixmap();
if (!_hiding) {
showAll();
setFocus();
}
} else {
a_opacity.update(ms, af_opacity);
}
update();
}
void ConfirmBox::onCancel() {
emit cancelled();
emit closed();
}
void ConfirmBox::startHide() {
_hiding = true;
if (_cache.isNull()) {
_cache = myGrab(this, rect());
hideAll();
}
a_opacity.start(0);
}
ConfirmBox::~ConfirmBox() {
}