89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef TREEVIEW_H
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#define TREEVIEW_H
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#include <QTreeView>
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#include <QPixmap>
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#include <QImage>
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class QIcon;
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class TreeView : public QTreeView
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{
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Q_OBJECT
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public:
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static QImage setOpacity(const QImage &orig, double opacity=0.15);
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static QPixmap createBgndPixmap(const QIcon &icon);
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static void setForceSingleClick(bool v);
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static bool getForceSingleClick();
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static QModelIndexList sortIndexes(const QModelIndexList &list);
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static void drag(Qt::DropActions supportedActions, QAbstractItemView *view, const QModelIndexList &items);
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TreeView(QWidget *parent=nullptr, bool menuAlwaysAllowed=false);
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~TreeView() override;
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void setPageDefaults();
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void setExpandOnClick();
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void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected) override;
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bool haveSelectedItems() const;
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bool haveUnSelectedItems() const;
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void startDrag(Qt::DropActions supportedActions) override { drag(supportedActions, this, selectedIndexes()); }
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void mouseReleaseEvent(QMouseEvent *event) override;
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QModelIndexList selectedIndexes() const override { return selectedIndexes(true); }
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QModelIndexList selectedIndexes(bool sorted) const;
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void expandAll(const QModelIndex &idx=QModelIndex(), bool singleLevelOnly=false);
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void collapseToLevel(int level, const QModelIndex &idx=QModelIndex());
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virtual void expand(const QModelIndex &idx, bool singleOnly=false);
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virtual void collapse(const QModelIndex &idx, bool singleOnly=false);
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void setModel(QAbstractItemModel *m) override;
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bool checkBoxClicked(const QModelIndex &idx) const;
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void setUseSimpleDelegate();
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void setBackgroundImage(const QIcon &icon);
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void paintEvent(QPaintEvent *e) override;
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void setForceSingleColumn(bool f) { forceSingleColumn=f; }
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void installFilter(QObject *f) { eventFilter=f; installEventFilter(f); }
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QObject * filter() const { return eventFilter; }
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void setInfoText(const QString &i) { info=i; update(); }
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private Q_SLOTS:
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void correctSelection();
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// void itemWasActivated(const QModelIndex &index);
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void itemWasClicked(const QModelIndex &index);
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Q_SIGNALS:
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void itemsSelected(bool);
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void itemActivated(const QModelIndex &index); // Only emitted if view is set to single-click
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private:
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QString info;
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QObject *eventFilter;
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bool forceSingleColumn;
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bool alwaysAllowMenu;
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QPixmap bgnd;
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};
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#endif
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