// @(#)root/gui:$Name: $:$Id: TGListView.h,v 1.24 2005/05/24 20:05:10 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 TGLVContainer;
class TGLVEntry : public TGFrame {
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 const TGFont *fgDefaultFont;
static TGGC *fgDefaultGC;
virtual void DoRedraw();
static FontStruct_t GetDefaultFontStruct();
static const TGGC &GetDefaultGC();
public:
TGLVEntry(const TGWindow *p = 0,
const TGPicture *bigpic = 0, const TGPicture *smallpic = 0,
TGString *name = 0, TGString **subnames = 0,
EListViewMode ViewMode = kLVDetails,
UInt_t options = kChildFrame,
Pixel_t back = GetWhitePixel());
TGLVEntry(const TGLVContainer *p,
const TString& name, const TString& cname, TGString **subnames = 0,
UInt_t options = kChildFrame, Pixel_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 *GetTitle() const { return fName->GetString(); }
virtual void SetTitle(const char *text) { *fName = text; }
void SetItemName(const char *name) { *fName = name; }
const TGPicture *GetPicture() const { return fCurrent; }
EListViewMode GetViewMode() const { return fViewMode; }
void SetUserData(void *userData) { fUserData = userData; }
void *GetUserData() const { return fUserData; }
virtual void SetSubnames(const char* n1="",const char* n2="",const char* n3="",
const char* n4="",const char* n5="",const char* n6="",
const char* n7="",const char* n8="",const char* n9="",
const char* n10="",const char* n11="",const char* n12="");
virtual void SetPictures(const TGPicture *bigpic = 0, const TGPicture *smallpic = 0);
virtual 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 TGListView : public TGCanvas {
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
GContext_t fNormGC; // drawing graphics context
FontStruct_t fFontStruct; // text font
static const TGFont *fgDefaultFont;
static TGGC *fgDefaultGC;
static FontStruct_t GetDefaultFontStruct();
static const TGGC &GetDefaultGC();
public:
TGListView(const TGWindow *p, UInt_t w, UInt_t h,
UInt_t options = kSunkenFrame | kDoubleBorder,
Pixel_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);
EListViewMode GetViewMode() const { return fViewMode; }
virtual const char *GetHeader(Int_t idx) const;
virtual void SavePrimitive(ofstream &out, Option_t *option);
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)
};
class TGLVContainer : public TGContainer {
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,
Pixel_t back = GetDefaultFrameBackground());
TGLVContainer(TGCanvas *p, UInt_t options = kSunkenFrame,
Pixel_t back = GetDefaultFrameBackground());
virtual ~TGLVContainer();
TGListView *GetListView() const { return fListView; }
virtual void AddItem(TGLVEntry *item)
{ AddFrame(item, fItemLayout); item->SetColumns(fCpos, fJmode); fTotal++; }
virtual void SetListView(TGListView *lv) { fListView = lv; }
virtual void RemoveItemWithData(void *userData);
virtual void SetViewMode(EListViewMode viewMode);
EListViewMode 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;
virtual void SetColHeaders(const char* n1="",const char* n2="",const char* n3="",
const char* n4="",const char* n5="",const char* n6="",
const char* n7="",const char* n8="",const char* n9="",
const char* n10="",const char* n11="",const char* n12="");
void SetHeaders(Int_t ncolumns) { fListView->SetHeaders(ncolumns); }
void SetHeader(const char *s, Int_t hmode, Int_t cmode, Int_t idx)
{ fListView->SetHeader(s,hmode,cmode,idx); }
void SetDefaultHeaders() { fListView->SetDefaultHeaders(); }
const char *GetHeader(Int_t idx) const { return fListView->GetHeader(idx); }
virtual void SavePrimitive(ofstream &out, Option_t *option);
ClassDef(TGLVContainer,0) // Listview container
};
#endif
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