* Copyright (c) 2008 Stephan Aßmus <superstippi@gmx.de>.
* Copyright (c) 2009 Philippe Saint-Pierre, stpere@gmail.com
* All rights reserved. Distributed under the terms of the MIT license.
*
* Copyright (c) 1999 Mike Steed. You are free to use and distribute this software
* as long as it is accompanied by it's documentation and this copyright notice.
* The software comes with no warranty, etc.
*/
#ifndef PIE_VIEW_H
#define PIE_VIEW_H
#include <View.h>
#include <map>
#include <vector>
class AppMenuItem;
class BEntry;
class BMenu;
class BPath;
class BPopUpMenu;
class BVolume;
struct entry_ref;
struct FileInfo;
class Scanner;
class MainWindow;
using std::map;
using std::vector;
class PieView: public BView {
public:
PieView(BVolume* volume);
virtual ~PieView();
virtual void AttachedToWindow();
virtual void MessageReceived(BMessage* message);
virtual void MouseDown(BPoint where);
virtual void MouseUp(BPoint where);
virtual void MouseMoved(BPoint where, uint32 transit,
const BMessage* dragMessage);
virtual void Draw(BRect updateRect);
void SetPath(BPath path);
private:
void _ShowVolume(BVolume* volume);
void _DrawProgressBar(BRect updateRect);
void _DrawPieChart(BRect updateRect);
float _DrawDirectory(BRect b, FileInfo* info,
float parentSpan, float beginAngle,
int colorIdx, int level);
FileInfo* _FileAt(const BPoint& where);
void _AddAppToList(vector<AppMenuItem*>& list,
const char* appSignature, int category);
BMenu* _BuildOpenWithMenu(FileInfo* info);
void _ShowContextMenu(FileInfo* info, BPoint where);
void _Launch(FileInfo* info,
const entry_ref* ref = NULL);
void _OpenInfo(FileInfo* info, BPoint p);
private:
struct Segment {
Segment()
: begin(0.0), end(0.0), info(NULL) { }
Segment(float b, float e, FileInfo* i)
: begin(b), end(e), info(i) { }
Segment(const Segment &s)
: begin(s.begin), end(s.end), info(s.info) { }
~Segment() { }
float begin;
float end;
FileInfo* info;
};
typedef vector<Segment> SegmentList;
typedef map<int, SegmentList> MouseOverInfo;
private:
MainWindow* fWindow;
Scanner* fScanner;
BVolume* fVolume;
FileInfo* fCurrentDir;
MouseOverInfo fMouseOverInfo;
BPopUpMenu* fMouseOverMenu;
BPopUpMenu* fFileUnavailableMenu;
float fFontHeight;
bool fClicked;
bool fDragging;
BPoint fDragStart;
FileInfo* fClickedFile;
BPoint fLastWhere;
bool fUpdateFileAt;
};
#endif
