51 lines
1.8 KiB
C++
51 lines
1.8 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 "application.h"
|
|
|
|
namespace {
|
|
void _sendResizeEvents(QWidget *target) {
|
|
QResizeEvent e(target->size(), QSize());
|
|
QApplication::sendEvent(target, &e);
|
|
|
|
const QObjectList children = target->children();
|
|
for (int i = 0; i < children.size(); ++i) {
|
|
QWidget *child = static_cast<QWidget*>(children.at(i));
|
|
if (child->isWidgetType() && !child->isWindow() && child->testAttribute(Qt::WA_PendingResizeEvent)) {
|
|
_sendResizeEvents(child);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
QPixmap myGrab(QWidget *target, const QRect &rect) {
|
|
if (!cRetina()) return target->grab(rect);
|
|
|
|
if (target->testAttribute(Qt::WA_PendingResizeEvent) || !target->testAttribute(Qt::WA_WState_Created)) {
|
|
_sendResizeEvents(target);
|
|
}
|
|
|
|
qreal dpr = App::app()->devicePixelRatio();
|
|
QPixmap result(rect.size() * dpr);
|
|
result.setDevicePixelRatio(dpr);
|
|
result.fill(Qt::transparent);
|
|
target->render(&result, QPoint(), QRegion(rect), QWidget::DrawWindowBackground | QWidget::DrawChildren | QWidget::IgnoreMask);
|
|
return result;
|
|
}
|