// @(#)root/gui:$Name: $:$Id: TGListView.h,v 1.14 2002/11/15 13:24:59 brun Exp $ // Author: Fons Rademakers 17/01/98 /************************************************************************* * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TGListView #define ROOT_TGListView ////////////////////////////////////////////////////////////////////////// // // // TGListView, TGLVContainer and TGLVEntry // // // // A list view is a widget that can contain a number of items // // arranged in a grid or list. The items can be represented either // // by a string or by an icon. // // // // The TGListView is user callable. The other classes are service // // classes of the list view. // // // // A list view can generate the following events: // // kC_CONTAINER, kCT_SELCHANGED, total items, selected items. // // kC_CONTAINER, kCT_ITEMCLICK, which button, location (y<<16|x). // // kC_CONTAINER, kCT_ITEMDBLCLICK, which button, location (y<<16|x). // // // ////////////////////////////////////////////////////////////////////////// #ifndef ROOT_TGCanvas #include "TGCanvas.h" #endif #ifndef ROOT_TGWidget #include "TGWidget.h" #endif enum EListViewMode { kLVLargeIcons, kLVSmallIcons, kLVList, kLVDetails }; class TGSelectedPicture; class TGTextButton; class TGListView; class TGLVEntry : public TGFrame { friend class TGClient; protected: TGString *fName; // name of item TGString **fSubnames; // sub names of item (details) Int_t *fCpos; // position of sub names Int_t *fJmode; // alignment for sub names Int_t *fCtw; // width of sub names UInt_t fTWidth; // width of name UInt_t fTHeight; // height of name Bool_t fActive; // true if item is active EListViewMode fViewMode; // list view viewing mode const TGPicture *fBigPic; // big icon const TGPicture *fSmallPic; // small icon const TGPicture *fCurrent; // current icon TGSelectedPicture *fSelPic; // selected icon GContext_t fNormGC; // drawing graphics context FontStruct_t fFontStruct; // text font void *fUserData; // pointer to user data structure static FontStruct_t fgDefaultFontStruct; static TGGC fgDefaultGC; static ULong_t fgSelPixel; virtual void DoRedraw(); public: TGLVEntry(const TGWindow *p, const TGPicture *bigpic, const TGPicture *smallpic, TGString *name, TGString **subnames, EListViewMode ViewMode, UInt_t options = kChildFrame, ULong_t back = GetWhitePixel()); virtual ~TGLVEntry(); virtual void SetViewMode(EListViewMode ViewMode); virtual void Activate(Bool_t a); Bool_t IsActive() const { return fActive; } TGString *GetItemName() const { return fName; } virtual const char *GetName() const { return fName->GetString(); } void SetItemName(const char *name) { *fName = name; } const TGPicture *GetPicture() const { return fCurrent; } void SetUserData(void *userData) { fUserData = userData; } void *GetUserData() const { return fUserData; } void SetColumns(Int_t *cpos, Int_t *jmode) { fCpos = cpos; fJmode = jmode; } virtual TGDimension GetDefaultSize() const; virtual Int_t GetSubnameWidth(Int_t idx) const { return fCtw[idx]; } virtual void DrawCopy(Handle_t id,Int_t x, Int_t y); ClassDef(TGLVEntry,0) // Item that goes into a TGListView container }; class TGLVContainer : public TGContainer { friend class TGClient; protected: TGLayoutHints *fItemLayout; // item layout hints EListViewMode fViewMode; // list view viewing mode Int_t *fCpos; // position of sub names Int_t *fJmode; // alignment of sub names TGListView *fListView; // listview which contains this container TGLVEntry *fLastActive; // last active item virtual void ActivateItem(TGFrameElement* el); public: TGLVContainer(const TGWindow *p, UInt_t w, UInt_t h, UInt_t options = kSunkenFrame, ULong_t back = GetDefaultFrameBackground()); TGLVContainer(TGCanvas *p, UInt_t options = kSunkenFrame, ULong_t back = GetDefaultFrameBackground()); virtual ~TGLVContainer(); TGListView *GetListView() const { return fListView; } virtual void AddItem(TGLVEntry *item) { AddFrame(item, fItemLayout); item->SetColumns(fCpos, fJmode); } virtual void SetListView(TGListView *lv) { fListView = lv; } virtual void RemoveItemWithData(void *userData); virtual void SetViewMode(EListViewMode ViewMode); Int_t GetViewMode() const { return fViewMode; } virtual void SetColumns(Int_t *cpos, Int_t *jmode); virtual TGDimension GetMaxItemSize() const; virtual Int_t GetMaxSubnameWidth(Int_t idx) const; ClassDef(TGLVContainer,0) // Listview container }; class TGListView : public TGCanvas { friend class TGClient; protected: Int_t fNColumns; // number of columns Int_t *fColumns; // column width Int_t *fJmode; // column text alignment EListViewMode fViewMode; // view mode if list view widget TGDimension fMaxSize; // maximum item size TGTextButton **fColHeader; // column headers for in detailed mode static TGGC fgDefaultGC; static FontStruct_t fgDefaultFontStruct; public: TGListView(const TGWindow *p, UInt_t w, UInt_t h, UInt_t options = kSunkenFrame | kDoubleBorder, ULong_t back = GetDefaultFrameBackground()); virtual ~TGListView(); virtual void Layout(); virtual Bool_t ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2); virtual void SetContainer(TGFrame *f); virtual void SetHeaders(Int_t ncolumns); virtual void SetHeader(const char *s, Int_t hmode, Int_t cmode, Int_t idx); virtual void SetDefaultHeaders(); virtual void SetViewMode(EListViewMode ViewMode); virtual const char *GetHeader(Int_t idx) const; virtual void SelectionChanged() { Emit("SelectionChanged()"); } //*SIGNAL* virtual void Clicked(TGLVEntry *entry, Int_t btn); //*SIGNAL* virtual void Clicked(TGLVEntry *entry, Int_t btn, Int_t x, Int_t y); //*SIGNAL* virtual void DoubleClicked(TGLVEntry *entry, Int_t btn); //*SIGNAL* virtual void DoubleClicked(TGLVEntry *entry, Int_t btn, Int_t x, Int_t y); //*SIGNAL* ClassDef(TGListView,0) // List view widget (iconbox, small icons or tabular view) }; #endif