1 files changed, 123 insertions, 0 deletions
diff --git a/application/widgets/PageContainer_p.h b/application/widgets/PageContainer_p.h
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+++ b/application/widgets/PageContainer_p.h
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+/* Copyright 2013-2015 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QListView>
+#include <QStyledItemDelegate>
+#include <QEvent>
+#include <QScrollBar>
+
+class BasePage;
+const int pageIconSize = 24;
+
+class PageViewDelegate : public QStyledItemDelegate
+{
+public:
+	PageViewDelegate(QObject *parent) : QStyledItemDelegate(parent)
+	{
+	}
+	QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
+	{
+		QSize size = QStyledItemDelegate::sizeHint(option, index);
+		size.setHeight(qMax(size.height(), 32));
+		return size;
+	}
+};
+
+class PageModel : public QAbstractListModel
+{
+public:
+	PageModel(QObject *parent = 0) : QAbstractListModel(parent)
+	{
+		QPixmap empty(pageIconSize, pageIconSize);
+		empty.fill(Qt::transparent);
+		m_emptyIcon = QIcon(empty);
+	}
+	virtual ~PageModel() {}
+
+	int rowCount(const QModelIndex &parent = QModelIndex()) const
+	{
+		return parent.isValid() ? 0 : m_pages.size();
+	}
+	QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const
+	{
+		switch (role)
+		{
+		case Qt::DisplayRole:
+			return m_pages.at(index.row())->displayName();
+		case Qt::DecorationRole:
+		{
+			QIcon icon = m_pages.at(index.row())->icon();
+			if (icon.isNull())
+				icon = m_emptyIcon;
+			// HACK: fixes icon stretching on windows. TODO: report Qt bug for this
+			return QIcon(icon.pixmap(QSize(48,48)));
+		}
+		}
+		return QVariant();
+	}
+
+	void setPages(const QList<BasePage *> &pages)
+	{
+		beginResetModel();
+		m_pages = pages;
+		endResetModel();
+	}
+	const QList<BasePage *> &pages() const
+	{
+		return m_pages;
+	}
+
+	BasePage * findPageEntryById(QString id)
+	{
+		for(auto page: m_pages)
+		{
+			if (page->id() == id)
+				return page;
+		}
+		return nullptr;
+	}
+
+	QList<BasePage *> m_pages;
+	QIcon m_emptyIcon;
+};
+
+class PageView : public QListView
+{
+public:
+	PageView(QWidget *parent = 0) : QListView(parent)
+	{
+		setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Expanding);
+		setItemDelegate(new PageViewDelegate(this));
+		setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	}
+
+	virtual QSize sizeHint() const
+	{
+		int width = sizeHintForColumn(0) + frameWidth() * 2 + 5;
+		if (verticalScrollBar()->isVisible())
+			width += verticalScrollBar()->width();
+		return QSize(width, 100);
+	}
+
+	virtual bool eventFilter(QObject *obj, QEvent *event)
+	{
+		if (obj == verticalScrollBar() &&
+			(event->type() == QEvent::Show || event->type() == QEvent::Hide))
+			updateGeometry();
+		return QListView::eventFilter(obj, event);
+	}
+};