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https://github.com/OPM/ResInsight.git
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352 lines
13 KiB
C++
352 lines
13 KiB
C++
//##################################################################################################
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//
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// QMinimizePanel
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// Copyright (C) 2017 Ceetron Solutions AS
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//
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// This class may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma warning( disable : 4125 )
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#include "QMinimizePanel.h"
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#include <QApplication>
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#include <QFrame>
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#include <QLabel>
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#include <QPixmap>
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#include <QPushButton>
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#include <QResizeEvent>
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#include <QHBoxLayout>
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#include <QVBoxLayout>
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#include <algorithm>
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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static const struct {
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unsigned int width;
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unsigned int height;
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unsigned int bytes_per_pixel; /* 2:RGB16, 3:RGB, 4:RGBA */
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unsigned char pixel_data[7 * 10 * 4 + 1];
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} expandDownArrow = {
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7, 10, 4,
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"QRY\317445A\0\0\0\0\0\0\0\0\0\0\0\0""445AJJN\317OQW\256OPW\317445#\0\0\0"
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"\0""445#IJP\317HIN\256445#MOT\317LMS\317445#IJP\317GHM\317445#\0\0\0\0""4"
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"45#DEK\317??C\317BBG\317445#\0\0\0\0\0\0\0\0\0\0\0\0""445#>?B\317445#\0\0"
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"\0\0\0\0\0\0LNT\317445A\0\0\0\0\0\0\0\0\0\0\0\0""445ACEI\317JKR\256IJP\317"
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"445#\0\0\0\0""445#DEH\317BCJ\256445#GHO\317EGK\317445#DEH\317BDI\317445#"
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"\0\0\0\0""445#@AE\317??C\317??B\317445#\0\0\0\0\0\0\0\0\0\0\0\0""445#<<?"
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"\317445#\0\0\0\0\0\0\0\0",
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};
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QIcon createExpandDownIcon()
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{
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QImage img(expandDownArrow.pixel_data,expandDownArrow.width, expandDownArrow.height, QImage::Format_ARGB32 );
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QPixmap pxMap;
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pxMap = QPixmap::fromImage(img);
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return QIcon(pxMap);
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}
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static const QIcon& expandDownIcon()
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{
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static QIcon expandDownIcon(createExpandDownIcon());
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return expandDownIcon;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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static const struct {
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unsigned int width;
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unsigned int height;
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unsigned int bytes_per_pixel; /* 2:RGB16, 3:RGB, 4:RGBA */
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unsigned char pixel_data[7 * 10 * 4 + 1];
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} expandUpArrow = {
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7, 10, 4,
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"\0\0\0\0\0\0\0\0""445#<<?\317445#\0\0\0\0\0\0\0\0\0\0\0\0""445#@AE\317??"
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"C\317??B\317445#\0\0\0\0""445#GHO\317EGK\317445#DEH\317BDI\317445#JKR\256"
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"IJP\317445#\0\0\0\0""445#DEH\317BCJ\256LNT\317445A\0\0\0\0\0\0\0\0\0\0\0"
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"\0""445ACEI\317\0\0\0\0\0\0\0\0""445#>?B\317445#\0\0\0\0\0\0\0\0\0\0\0\0"
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"""445#DEK\317??C\317BBG\317445#\0\0\0\0""445#MOT\317LMS\317445#IJP\317GH"
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"M\317445#OQW\256OPW\317445#\0\0\0\0""445#IJP\317HIN\256QRY\317445A\0\0\0"
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"\0\0\0\0\0\0\0\0\0""445AJJN\317",
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};
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QIcon createExpandUpIcon()
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{
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QImage img(expandUpArrow.pixel_data,expandUpArrow.width, expandUpArrow.height, QImage::Format_ARGB32 );
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QPixmap pxMap;
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pxMap = QPixmap::fromImage(img);
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return QIcon(pxMap);
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}
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static const QIcon& expandUpIcon()
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{
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static QIcon expandUpIcon(createExpandUpIcon());
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return expandUpIcon;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QMinimizePanel::QMinimizePanel(QWidget* parent/*=0*/)
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: QWidget(parent)
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{
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this->initialize("");
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QMinimizePanel::QMinimizePanel(const QString &title, QWidget* parent/*=0*/)
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: QWidget(parent)
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{
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this->initialize(title);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QMinimizePanel::~QMinimizePanel()
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QFrame* QMinimizePanel::contentFrame()
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{
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return m_contentFrame;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void QMinimizePanel::setTitle(const QString& title)
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{
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m_titleLabel->setText(title);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QString QMinimizePanel::title() const
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{
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return m_titleLabel->text();
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void QMinimizePanel::enableFrame(bool showFrame)
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{
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if (showFrame)
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{
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m_titleFrame->show();
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m_titleLabel->show();
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m_collapseButton->show();
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m_contentFrame->setFrameStyle(QFrame::StyledPanel | QFrame::Plain);
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m_contentFrame->setPalette(m_contentPalette);
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m_contentFrame->setAttribute(Qt::WA_SetPalette, true);
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}
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else
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{
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m_titleFrame->hide();
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m_titleLabel->hide();
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m_collapseButton->hide();
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m_contentFrame->setFrameStyle(QFrame::NoFrame);
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if (parentWidget())
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{
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m_contentFrame->setPalette(parentWidget()->palette());
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}
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m_contentFrame->setAttribute(Qt::WA_SetPalette, false);
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}
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QWidget::update();
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QSize QMinimizePanel::minimumSizeHint() const
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{
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return calculateSizeHint(true);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QSize QMinimizePanel::sizeHint() const
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{
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return calculateSizeHint(false);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void QMinimizePanel::setExpanded(bool isExpanded)
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{
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if (m_contentFrame->isHidden() != isExpanded) return;
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m_contentFrame->setVisible(isExpanded);
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isExpanded ? m_collapseButton->setIcon(expandUpIcon()) : m_collapseButton->setIcon(expandDownIcon());
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this->QWidget::updateGeometry();
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emit expandedChanged(isExpanded);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void QMinimizePanel::toggleExpanded()
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{
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setExpanded(m_contentFrame->isHidden());
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void QMinimizePanel::resizeEvent(QResizeEvent *resizeEv )
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{
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QWidget::updateGeometry();
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int width = resizeEv->size().width();
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int heigth = resizeEv->size().height();
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int labelHeight = m_titleLabel->sizeHint().height();
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int titleHeight = labelHeight + 8;
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int buttonSize = titleHeight - 2;
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int contentHeightOffset = 0;
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if (!m_titleFrame->isHidden())
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{
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m_titleFrame->setGeometry(0, 0, width, titleHeight);
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m_titleLabel->setGeometry(4, titleHeight - labelHeight - 4, width - 4 - buttonSize - 1, labelHeight);
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m_collapseButton->setGeometry(width - buttonSize - 1, 1, buttonSize, buttonSize);
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contentHeightOffset = titleHeight - 1;
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}
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m_contentFrame->setGeometry(0, contentHeightOffset, width, heigth - contentHeightOffset);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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bool QMinimizePanel::event(QEvent* event)
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{
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if (event->type() == QEvent::LayoutRequest)
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{
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this->QWidget::updateGeometry();
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}
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return this->QWidget::event(event);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void QMinimizePanel::initialize(const QString &title)
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{
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m_titleFrame = new QFrame(this);
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m_titleFrame->setFrameStyle(QFrame::Box | QFrame::Plain);
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m_titleFrame->setAutoFillBackground(true);
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m_titleLabel = new QLabel(title, m_titleFrame);
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QPalette titleLabelPalette = m_titleLabel->palette();
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titleLabelPalette.setBrush(QPalette::Foreground, titleLabelPalette.windowText());
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{
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QLinearGradient titleGrad(QPointF(0, 0), QPointF(0, 1));
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titleGrad.setCoordinateMode(QGradient::StretchToDeviceMode);
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titleGrad.setColorAt(0, QColor(255, 255, 255, 20));
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titleGrad.setColorAt(1, QColor(0, 0, 0, 30));
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QPalette titleFramePalette = m_titleFrame->palette();
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titleFramePalette.setBrush(QPalette::Window, titleGrad);
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titleFramePalette.setBrush(QPalette::Foreground, titleFramePalette.dark());
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m_titleFrame->setPalette(titleFramePalette);
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}
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m_titleLabel->setPalette(titleLabelPalette);
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m_collapseButton = new QPushButton(m_titleFrame);
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m_collapseButton->setFlat(true);
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m_collapseButton->setIcon(expandUpIcon());
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m_collapseButton->setDefault(false);
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m_collapseButton->setAutoDefault(false);
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m_contentFrame = new QFrame(this);
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m_contentFrame->setFrameStyle(QFrame::StyledPanel | QFrame::Plain);
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m_contentFrame->setAutoFillBackground(true);
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m_contentPalette = m_contentFrame->palette();
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m_contentPalette.setBrush(QPalette::Window, QColor(255, 250, 250, 85));
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m_contentFrame->setPalette(m_contentPalette);
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connect(m_collapseButton, SIGNAL(clicked()), this, SLOT(toggleExpanded()));
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QSize QMinimizePanel::calculateSizeHint(bool minimumSizeHint) const
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{
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QSize labelSize = m_titleLabel->sizeHint();
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QSize titleBarHint = labelSize + QSize(4 + labelSize.height() + 8 - 2 + 1, 8);
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if (!m_contentFrame->isHidden())
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{
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int titleHeight = 0;
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if (!m_titleFrame->isHidden())
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{
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titleHeight = labelSize.height() + 8;
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}
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QSize titleBarMin(0, titleHeight);
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QSize contentsMin(minimumSizeHint ? m_contentFrame->minimumSizeHint() : m_contentFrame->sizeHint());
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QSize total = contentsMin.expandedTo(titleBarMin);
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total.rheight() += titleBarMin.height();
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return total;
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}
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else
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{
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// Retain width when collapsing the field
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QSize contentsMin(minimumSizeHint ? m_contentFrame->minimumSizeHint() : m_contentFrame->sizeHint());
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titleBarHint.rwidth() = std::max(titleBarHint.width(), contentsMin.width());
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return titleBarHint;
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}
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}
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