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-rw-r--r--gui/widgets/PageContainer_p.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/gui/widgets/PageContainer_p.h b/gui/widgets/PageContainer_p.h
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+++ b/gui/widgets/PageContainer_p.h
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+#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;
+ return icon;
+ }
+ }
+ 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);
+ }
+};