filter panel added

2019-03-18 17:08:38 +01:00
parent d72f7da1ef
commit 95179c2db1
9 changed files with 439 additions and 154 deletions
@@ -0,0 +1,80 @@
+/*!
+ \file cspoiler.cpp
+
+*/
+
+#include "cspoiler.h"
+
+#include <QPropertyAnimation>
+
+
+cSpoiler::cSpoiler(QWidget *parent) :
+	QWidget(parent),
+	m_animationDuration(300)
+{
+	m_toggleButton.setStyleSheet("QToolButton { border: none; }");
+	m_toggleButton.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+	m_toggleButton.setArrowType(Qt::ArrowType::RightArrow);
+	m_toggleButton.setText("");
+	m_toggleButton.setCheckable(true);
+	m_toggleButton.setChecked(false);
+
+	m_headerLine.setFrameShape(QFrame::HLine);
+	m_headerLine.setFrameShadow(QFrame::Sunken);
+	m_headerLine.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
+
+	m_contentArea.setStyleSheet("QScrollArea { border: none; }");
+	m_contentArea.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+	// start out collapsed
+	m_contentArea.setMaximumHeight(0);
+	m_contentArea.setMinimumHeight(0);
+	// let the entire widget grow and shrink with its content
+	m_toggleAnimation.addAnimation(new QPropertyAnimation(this, "minimumHeight"));
+	m_toggleAnimation.addAnimation(new QPropertyAnimation(this, "maximumHeight"));
+	m_toggleAnimation.addAnimation(new QPropertyAnimation(&m_contentArea, "maximumHeight"));
+	// don't waste space
+	m_mainLayout.setVerticalSpacing(0);
+	m_mainLayout.setContentsMargins(0, 0, 0, 0);
+	int row = 0;
+	m_mainLayout.addWidget(&m_toggleButton, row, 0, 1, 1, Qt::AlignLeft);
+	m_mainLayout.addWidget(&m_headerLine, row++, 2, 1, 1);
+	m_mainLayout.addWidget(&m_contentArea, row, 0, 1, 3);
+	setLayout(&m_mainLayout);
+	QObject::connect(&m_toggleButton, &QToolButton::clicked, [this](const bool checked)
+		{
+			m_toggleButton.setArrowType(checked ? Qt::ArrowType::DownArrow : Qt::ArrowType::RightArrow);
+			m_toggleAnimation.setDirection(checked ? QAbstractAnimation::Forward : QAbstractAnimation::Backward);
+			m_toggleAnimation.start();
+		});
+}
+
+void cSpoiler::setTitle(const QString& title)
+{
+	m_toggleButton.setText(title);
+}
+
+void cSpoiler::setContentLayout(QLayout& contentLayout)
+{
+	delete m_contentArea.layout();
+	m_contentArea.setLayout(&contentLayout);
+	const auto collapsedHeight = sizeHint().height() - m_contentArea.maximumHeight();
+	auto contentHeight = contentLayout.sizeHint().height();
+	for (int i = 0; i < m_toggleAnimation.animationCount() - 1; ++i)
+	{
+		QPropertyAnimation * spoilerAnimation = static_cast<QPropertyAnimation *>(m_toggleAnimation.animationAt(i));
+		spoilerAnimation->setDuration(m_animationDuration);
+		spoilerAnimation->setStartValue(collapsedHeight);
+		spoilerAnimation->setEndValue(collapsedHeight + contentHeight);
+	}
+	QPropertyAnimation * contentAnimation = static_cast<QPropertyAnimation *>(m_toggleAnimation.animationAt(m_toggleAnimation.animationCount() - 1));
+	contentAnimation->setDuration(m_animationDuration);
+	contentAnimation->setStartValue(0);
+	contentAnimation->setEndValue(contentHeight);
+}
+
+void cSpoiler::setContentWidget(QWidget* contentWidget)
+{
+	auto*	lpLayout = new QVBoxLayout();
+	lpLayout->addWidget(contentWidget);
+	setContentLayout(*lpLayout);
+}