include/root/TRootBrowserLite.h

0001 // @(#)root/gui:$Id$
0002 // Author: Fons Rademakers   27/02/98
0003
0004 /*************************************************************************
0005  * Copyright (C) 1995-2021, Rene Brun and Fons Rademakers.               *
0006  * All rights reserved.                                                  *
0007  *                                                                       *
0008  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0009  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0010  *************************************************************************/
0011
0012
0013 #ifndef ROOT_TRootBrowserLite
0014 #define ROOT_TRootBrowserLite
0015
0016
0017 #include "TBrowserImp.h"
0018 #include "TGFrame.h"
0019
0020 class TGMenuBar;
0021 class TGPopupMenu;
0022 class TGLayoutHints;
0023 class TGStatusBar;
0024 class TGHorizontal3DLine;
0025 class TGToolBar;
0026 class TGButton;
0027 class TGFSComboBox;
0028 class TGLabel;
0029 class TGListView;
0030 class TRootIconBox;
0031 class TGCanvas;
0032 class TGListTree;
0033 class TGListTreeItem;
0034 class TGFileItem;
0035 class TList;
0036 class TGFileContainer;
0037 class TGComboBox;
0038 class TGTextEdit;
0039
0040 class TRootBrowserLite : public TGMainFrame, public TBrowserImp {
0041
0042 friend class TRootIconBox;
0043
0044 private:
0045    TGMenuBar           *fMenuBar;
0046    TGToolBar           *fToolBar;
0047    TGHorizontal3DLine  *fToolBarSep;
0048    TGVerticalFrame     *fV1;
0049    TGVerticalFrame     *fV2;
0050    TGLabel             *fLbl1;
0051    TGLabel             *fLbl2;
0052    TGHorizontalFrame   *fHf;
0053    TGCompositeFrame    *fTreeHdr;
0054    TGCompositeFrame    *fListHdr;
0055
0056    TGLayoutHints       *fMenuBarLayout;
0057    TGLayoutHints       *fMenuBarItemLayout;
0058    TGLayoutHints       *fMenuBarHelpLayout;
0059    TGLayoutHints       *fComboLayout;
0060    TGLayoutHints       *fBarLayout;
0061    TGComboBox          *fDrawOption;         ///< drawing option entry
0062    TGLayoutHints       *fExpandLayout;       ///<
0063    Bool_t               fBrowseTextFile;     ///<
0064    TString              fTextFileName;
0065
0066    TList               *fWidgets;
0067    TList               *fHistory;            ///< history of browsing
0068    TObject             *fHistoryCursor;      ///< current history position
0069    const TGPicture     *fIconPic;            ///< icon picture
0070
0071    void  CreateBrowser(const char *name);
0072    void  ListTreeHighlight(TGListTreeItem *item);
0073    void  DeleteListTreeItem(TGListTreeItem *item);
0074    void  HighlightListLevel();
0075    void  AddToHistory(TGListTreeItem *item);
0076    void  IconBoxAction(TObject *obj);
0077    void  Chdir(TGListTreeItem *item);
0078    void  DisplayDirectory();
0079    void  DisplayTotal(Int_t total, Int_t selected);
0080    void  SetViewMode(Int_t new_mode, Bool_t force = kFALSE);
0081    void  ToSystemDirectory(const char *dirname);
0082    void  UpdateDrawOption();
0083    void  Search();
0084    void  BrowseTextFile(const char *file);
0085    void  HideTextEdit();
0086    void  ShowMacroButtons(Bool_t show = kTRUE);
0087
0088    Bool_t  HistoryBackward();
0089    Bool_t  HistoryForward();
0090    void    ClearHistory();
0091
0092    TRootBrowserLite(const TRootBrowserLite&) = delete;
0093    TRootBrowserLite& operator=(const TRootBrowserLite&) = delete;
0094
0095 protected:
0096    TGPopupMenu         *fFileMenu;
0097    TGPopupMenu         *fViewMenu;
0098    TGPopupMenu         *fOptionMenu;
0099    TGPopupMenu         *fHelpMenu;
0100    TGPopupMenu         *fSortMenu;
0101    TGListView          *fListView;
0102    TRootIconBox        *fIconBox;
0103    TGCanvas            *fTreeView;
0104    TGListTree          *fLt;
0105    TGButton            *fToolBarButton[7];  ///< same size as gToolBarData[]
0106    TGFSComboBox        *fFSComboBox;
0107    TGStatusBar         *fStatusBar;
0108    TGListTreeItem      *fListLevel;         ///< current TGListTree level
0109    Bool_t               fTreeLock;          ///< true when we want to lock TGListTree
0110    Int_t                fViewMode;          ///< current IconBox view mode
0111    Int_t                fSortMode;          ///< current IconBox sort mode
0112    TGTextEdit          *fTextEdit;          ///< contents of browsed text file
0113
0114 public:
0115    TRootBrowserLite(TBrowser *b = nullptr, const char *title = "ROOT Browser", UInt_t width = 800, UInt_t height = 500);
0116    TRootBrowserLite(TBrowser *b, const char *title, Int_t x, Int_t y, UInt_t width, UInt_t height);
0117    ~TRootBrowserLite() override;
0118
0119    void         Add(TObject *obj, const char *name = nullptr, Int_t check = -1) override;
0120    virtual void AddToBox(TObject *obj, const char *name);
0121    virtual void AddToTree(TObject *obj, const char *name, Int_t check = -1);
0122
0123    void         AddCheckBox(TObject *obj, Bool_t check = kFALSE) override;
0124    void         CheckObjectItem(TObject *obj, Bool_t check = kFALSE) override;
0125    void         RemoveCheckBox(TObject *obj) override;
0126
0127    void         BrowseObj(TObject *obj) override;             //*SIGNAL*
0128    void         ExecuteDefaultAction(TObject *obj) override;  //*SIGNAL*
0129    virtual void DoubleClicked(TObject *obj);         //*SIGNAL*
0130    virtual void Checked(TObject *obj, Bool_t check); //*SIGNAL*
0131    void         CloseTabs() override { }
0132    void         Iconify() override { }
0133    void         RecursiveRemove(TObject *obj) override;
0134    void         Refresh(Bool_t force = kFALSE) override;
0135    virtual void ResizeBrowser() { }
0136    virtual void ShowToolBar(Bool_t show = kTRUE);
0137    virtual void ShowStatusBar(Bool_t show = kTRUE);
0138    void         Show() override { MapRaised(); }
0139    virtual void SetDefaults(const char *iconStyle = nullptr, const char *sortBy = nullptr);
0140    Bool_t       HandleKey(Event_t *event) override;
0141    void         SetStatusText(const char *txt, Int_t col) override;
0142
0143    TGListTree      *GetListTree()  const { return fLt; }
0144    TGFileContainer *GetIconBox()   const;
0145    TGStatusBar     *GetStatusBar() const { return fStatusBar; }
0146    TGMenuBar       *GetMenuBar()   const { return fMenuBar; }
0147    TGToolBar       *GetToolBar()   const { return fToolBar; }
0148    void             SetDrawOption(Option_t *option = "") override;
0149    Option_t        *GetDrawOption() const override;
0150    void             SetSortMode(Int_t new_mode);
0151    TGMainFrame     *GetMainFrame() const override { return (TGMainFrame *)this; }
0152
0153    // overridden from TGMainFrame
0154    void     CloseWindow() override;
0155    Bool_t   ProcessMessage(Longptr_t msg, Longptr_t parm1, Longptr_t parm2) override;
0156    void     ReallyDelete() override;
0157
0158    // auxiliary (a la private) methods
0159    void     ExecMacro();
0160    void     InterruptMacro();
0161
0162    static TBrowserImp *NewBrowser(TBrowser *b = nullptr, const char *title = "ROOT Browser", UInt_t width = 800, UInt_t height = 500, Option_t *opt="");
0163    static TBrowserImp *NewBrowser(TBrowser *b, const char *title, Int_t x, Int_t y, UInt_t width, UInt_t height, Option_t *opt="");
0164
0165    ClassDefOverride(TRootBrowserLite,0)  //ROOT native GUI version of browser
0166 };
0167
0168 #endif