rssguard/src/librssguard/gui/feedsview.h
2019-06-10 09:54:18 +02:00

135 lines
3.8 KiB
C++

// For license of this file, see <project-root-folder>/LICENSE.md.
#ifndef FEEDSVIEW_H
#define FEEDSVIEW_H
#include <QTreeView>
#include "core/feedsmodel.h"
#include <QStyledItemDelegate>
class FeedsProxyModel;
class Feed;
class Category;
class RSSGUARD_DLLSPEC FeedsView : public QTreeView {
Q_OBJECT
public:
// Constructors and destructors.
explicit FeedsView(QWidget* parent = nullptr);
virtual ~FeedsView();
// Fundamental accessors.
inline FeedsProxyModel* model() const {
return m_proxyModel;
}
inline FeedsModel* sourceModel() const {
return m_sourceModel;
}
void reloadFontSettings();
void setSortingEnabled(bool enable);
// Returns list of selected/all feeds.
// NOTE: This is recursive method which returns all descendants.
QList<Feed*> selectedFeeds() const;
// Returns pointers to selected feed/category if they are really
// selected.
RootItem* selectedItem() const;
// Saves/loads expand states of all nodes (feeds/categories) of the list to/from settings.
void saveAllExpandStates();
void loadAllExpandStates();
public slots:
void sortByColumn(int column, Qt::SortOrder order);
void addFeedIntoSelectedAccount();
void addCategoryIntoSelectedAccount();
void expandCollapseCurrentItem();
// Feed updating.
void updateSelectedItems();
// Feed read/unread manipulators.
void markSelectedItemRead();
void markSelectedItemUnread();
void markAllItemsRead();
// Newspaper accessors.
void openSelectedItemsInNewspaperMode();
// Feed clearers.
void clearSelectedFeeds();
void clearAllFeeds();
// Base manipulators.
void editSelectedItem();
void deleteSelectedItem();
// Selects next/previous item (feed/category) in the list.
void selectNextItem();
void selectPreviousItem();
void selectNextUnreadItem();
// Switches visibility of the widget.
void switchVisibility();
signals:
void itemSelected(RootItem* item);
void requestViewNextUnreadMessage();
void openMessagesInNewspaperView(RootItem* root, const QList<Message>& messages);
protected:
void focusInEvent(QFocusEvent* event);
void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
void keyPressEvent(QKeyEvent* event);
void contextMenuEvent(QContextMenuEvent* event);
void mouseDoubleClickEvent(QMouseEvent* event);
private slots:
void expandItemDelayed(const QModelIndex& idx);
void markSelectedItemReadStatus(RootItem::ReadStatus read);
void markAllItemsReadStatus(RootItem::ReadStatus read);
void saveSortState(int column, Qt::SortOrder order);
void validateItemAfterDragDrop(const QModelIndex& source_index);
void onItemExpandRequested(const QList<RootItem*>& items, bool exp);
void onItemExpandStateSaveRequested(RootItem* item);
private:
QModelIndex nextPreviousUnreadItem(QModelIndex default_row);
QModelIndex nextUnreadItem(QModelIndex default_row);
// Initializes context menus.
QMenu* initializeContextMenuBin(RootItem* clicked_item);
QMenu* initializeContextMenuService(RootItem* clicked_item);
QMenu* initializeContextMenuCategories(RootItem* clicked_item);
QMenu* initializeContextMenuFeeds(RootItem* clicked_item);
QMenu* initializeContextMenuEmptySpace();
QMenu* initializeContextMenuOtherItem(RootItem* clicked_item);
// Sets up appearance of this widget.
void setupAppearance();
void saveExpandStates(RootItem* item);
QMenu* m_contextMenuService;
QMenu* m_contextMenuBin;
QMenu* m_contextMenuCategories;
QMenu* m_contextMenuFeeds;
QMenu* m_contextMenuEmptySpace;
QMenu* m_contextMenuOtherItems;
FeedsModel* m_sourceModel;
FeedsProxyModel* m_proxyModel;
};
#endif // FEEDSVIEW_H