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pavucontrol-qt-packaging/libfm-qt/folderview.h

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/*
<one line to give the library's name and an idea of what it does.>
Copyright (C) 2012 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef FM_FOLDERVIEW_H
#define FM_FOLDERVIEW_H
#include "libfmqtglobals.h"
#include <QWidget>
#include <QListView>
#include <QTreeView>
#include <QMouseEvent>
#include <libfm/fm.h>
#include "foldermodel.h"
#include "proxyfoldermodel.h"
class QTimer;
namespace Fm {
class FileMenu;
class FolderMenu;
class FileLauncher;
class FolderViewStyle;
class LIBFM_QT_API FolderView : public QWidget {
Q_OBJECT
public:
enum ViewMode {
FirstViewMode = 1,
IconMode = FirstViewMode,
CompactMode,
DetailedListMode,
ThumbnailMode,
LastViewMode = ThumbnailMode,
NumViewModes = (LastViewMode - FirstViewMode + 1)
};
enum ClickType {
ActivatedClick,
MiddleClick,
ContextMenuClick
};
public:
friend class FolderViewTreeView;
friend class FolderViewListView;
explicit FolderView(ViewMode _mode = IconMode, QWidget* parent = 0);
virtual ~FolderView();
void setViewMode(ViewMode _mode);
ViewMode viewMode() const;
void setIconSize(ViewMode mode, QSize size);
QSize iconSize(ViewMode mode) const;
QAbstractItemView* childView() const;
ProxyFolderModel* model() const;
void setModel(ProxyFolderModel* _model);
FmFolder* folder() {
return model_ ? static_cast<FolderModel*>(model_->sourceModel())->folder() : NULL;
}
FmFileInfo* folderInfo() {
FmFolder* _folder = folder();
return _folder ? fm_folder_get_info(_folder) : NULL;
}
FmPath* path() {
FmFolder* _folder = folder();
return _folder ? fm_folder_get_path(_folder) : NULL;
}
QItemSelectionModel* selectionModel() const;
FmFileInfoList* selectedFiles() const;
FmPathList* selectedFilePaths() const;
void selectAll();
void invertSelection();
void setFileLauncher(FileLauncher* launcher) {
fileLauncher_ = launcher;
}
FileLauncher* fileLauncher() {
return fileLauncher_;
}
int autoSelectionDelay() const {
return autoSelectionDelay_;
}
void setAutoSelectionDelay(int delay);
protected:
virtual bool event(QEvent* event);
virtual void contextMenuEvent(QContextMenuEvent* event);
virtual void childMousePressEvent(QMouseEvent* event);
virtual void childDragEnterEvent(QDragEnterEvent* event);
virtual void childDragMoveEvent(QDragMoveEvent* e);
virtual void childDragLeaveEvent(QDragLeaveEvent* e);
virtual void childDropEvent(QDropEvent* e);
void emitClickedAt(ClickType type, const QPoint& pos);
QModelIndexList selectedRows ( int column = 0 ) const;
QModelIndexList selectedIndexes() const;
virtual void prepareFileMenu(Fm::FileMenu* menu);
virtual void prepareFolderMenu(Fm::FolderMenu* menu);
virtual bool eventFilter(QObject* watched, QEvent* event);
void updateGridSize(); // called when view mode, icon size, or font size is changed
public Q_SLOTS:
void onItemActivated(QModelIndex index);
void onSelectionChanged(const QItemSelection & selected, const QItemSelection & deselected);
virtual void onFileClicked(int type, FmFileInfo* fileInfo);
private Q_SLOTS:
void onAutoSelectionTimeout();
void onSelChangedTimeout();
Q_SIGNALS:
void clicked(int type, FmFileInfo* file);
void selChanged(int n_sel);
void sortChanged();
private:
QAbstractItemView* view;
ProxyFolderModel* model_;
ViewMode mode;
QSize iconSize_[NumViewModes];
FileLauncher* fileLauncher_;
int autoSelectionDelay_;
QTimer* autoSelectionTimer_;
QModelIndex lastAutoSelectionIndex_;
QTimer* selChangedTimer_;
};
}
#endif // FM_FOLDERVIEW_H