ui: Added history of last active symbols to UI and menu (issue 151)

* holding down back or forward button shows list of current back-forward stack * added narrow button between back and forward to show the list * added History menu * moved back and forward actions to History menu * show chronological list of recently active symbols in History menu bug id = 151 fortune cookie message = Dein Geschäft wird gut laufen und expandieren.
2017-05-09 17:14:43 +02:00
parent bb8c2ae5a9
commit f4caacacf2
30 changed files with 668 additions and 65 deletions
@@ -0,0 +1,141 @@
+#include "QtHistoryList.h"
+
+#include <QLabel>
+#include <QBoxLayout>
+
+#include "utility/messaging/type/MessageToUndoRedoPosition.h"
+#include "utility/ResourcePaths.h"
+#include "utility/utilityString.h"
+
+#include "qt/utility/QtDeviceScaledPixmap.h"
+#include "qt/utility/utilityQt.h"
+
+#include "component/view/GraphViewStyle.h"
+#include "data/search/SearchMatch.h"
+#include "settings/ColorScheme.h"
+
+QtHistoryItem::QtHistoryItem(const SearchMatch& match, size_t index, bool isCurrent)
+	: index(index)
+{
+	QBoxLayout* layout = new QHBoxLayout();
+	layout->setSpacing(0);
+	layout->setContentsMargins(0, 0, 0, 0);
+	layout->setAlignment(Qt::AlignTop);
+
+	std::string name = utility::elide(match.nodeType == Node::NODE_FILE ? match.text : match.name, utility::ELIDE_RIGHT, 100);
+
+	m_name = new QLabel(name.c_str(), this);
+	m_name->setAttribute(Qt::WA_MacShowFocusRect, 0);
+	m_name->setAttribute(Qt::WA_LayoutUsesWidgetRect); // fixes layouting on Mac
+	m_name->setObjectName(isCurrent ? "history_item_current" : "history_item");
+	m_name->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+
+	layout->addWidget(m_name);
+
+	setLayout(layout);
+
+	ColorScheme* scheme = ColorScheme::getInstance().get();
+	std::string searchTextColor = scheme->getColor("search/popup/text");
+
+	std::string color;
+	std::string hoverColor;
+	std::string textColor = searchTextColor;
+	std::string textHoverColor = searchTextColor;
+
+	if (match.searchType == SearchMatch::SEARCH_TOKEN)
+	{
+		color = GraphViewStyle::getNodeColor(Node::getUnderscoredTypeString(match.nodeType), false).fill;
+		hoverColor = GraphViewStyle::getNodeColor(Node::getUnderscoredTypeString(match.nodeType), true).fill;
+		textColor = GraphViewStyle::getNodeColor(Node::getUnderscoredTypeString(match.nodeType), false).text;
+		textHoverColor = GraphViewStyle::getNodeColor(Node::getUnderscoredTypeString(match.nodeType), true).text;
+	}
+	else
+	{
+		std::string typeName = match.getSearchTypeName();
+
+		color = scheme->getSearchTypeColor(typeName, "fill");
+		hoverColor = scheme->getSearchTypeColor(typeName, "fill", "hover");
+		textColor = scheme->getSearchTypeColor(typeName, "text");
+		textHoverColor = scheme->getSearchTypeColor(typeName, "text", "hover");;
+	}
+
+	std::stringstream css;
+	css << "QLabel { background-color:" << color << "; color:" << textColor << ";} ";
+
+	if (!isCurrent)
+	{
+		css << "QLabel:hover { background-color:" << hoverColor << "; color:" << textHoverColor << ";} ";
+	}
+
+	m_name->setStyleSheet(css.str().c_str());
+
+	if (isCurrent)
+	{
+		QSize size = getSizeHint();
+
+		QtDeviceScaledPixmap pixmap(QString::fromStdString(ResourcePaths::getGuiPath().str() + "history_list/images/arrow.png"));
+		pixmap.scaleToHeight(size.height() / 3);
+
+		QLabel* arrow = new QLabel(this);
+		arrow->setPixmap(utility::colorizePixmap(pixmap.pixmap(), QColor(scheme->getColor("search/popup/text").c_str())));
+		arrow->setGeometry(size.height() / 3, size.height() / 3, size.height() / 3, size.height() / 3);
+		arrow->show();
+	}
+}
+
+QSize QtHistoryItem::getSizeHint() const
+{
+	return QSize(m_name->fontMetrics().width(m_name->text()) + 40, m_name->fontMetrics().height() + 8);
+}
+
+
+QtHistoryList::QtHistoryList(const std::vector<SearchMatch>& history, size_t currentIndex)
+	: m_currentIndex(currentIndex)
+{
+	setObjectName("history_list");
+	setWindowFlags(Qt::Popup);
+
+	for (size_t i = 0; i < history.size(); i++)
+	{
+		QListWidgetItem *item = new QListWidgetItem(this);
+		QtHistoryItem* line = new QtHistoryItem(history[i], i, i == currentIndex);
+		item->setSizeHint(line->getSizeHint());
+		setItemWidget(item, line);
+	}
+
+	setStyleSheet(utility::getStyleSheet(ResourcePaths::getGuiPath().concat(FilePath("history_list/history_list.css"))).c_str());
+
+	connect(this, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(onItemClicked(QListWidgetItem*)));
+}
+
+void QtHistoryList::showPopup(QPoint pos)
+{
+	QSize size(50, 1);
+	for (int i = 0; i < count(); i++)
+	{
+		QtHistoryItem* it = dynamic_cast<QtHistoryItem*>(itemWidget(item(i)));
+		QSize itemSize = it->getSizeHint();
+		if (itemSize.width() > size.width())
+		{
+			size.setWidth(itemSize.width());
+		}
+
+		size.setHeight(size.height() + item(i)->sizeHint().height());
+	}
+
+	setGeometry(pos.x(), pos.y(), size.width(), size.height());
+	show();
+}
+
+void QtHistoryList::onItemClicked(QListWidgetItem *item)
+{
+	QtHistoryItem* historyItem = dynamic_cast<QtHistoryItem*>(itemWidget(item));
+	if (historyItem)
+	{
+		if (historyItem->index != m_currentIndex)
+		{
+			MessageToUndoRedoPosition(historyItem->index).dispatch();
+		}
+		close();
+	}
+}