FXIconList.h

/********************************************************************************
*                                                                               *
*                         I c o n   L i s t   W i d g e t                       *
*                                                                               *
*********************************************************************************
* Copyright (C) 1999,2022 by Jeroen van der Zijp.   All Rights Reserved.        *
*********************************************************************************
* 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 3 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 program.  If not, see <http://www.gnu.org/licenses/>          *
********************************************************************************/
#ifndef FXICONLIST_H
#define FXICONLIST_H

#ifndef FXSCROLLAREA_H
#include "FXScrollArea.h"
#endif

namespace FX {


enum {
  ICONLIST_EXTENDEDSELECT = 0,                
  ICONLIST_SINGLESELECT   = 0x00100000,       
  ICONLIST_BROWSESELECT   = 0x00200000,       
  ICONLIST_MULTIPLESELECT = 0x00300000,       
  ICONLIST_AUTOSIZE       = 0x00400000,       
  ICONLIST_DETAILED       = 0,                
  ICONLIST_MINI_ICONS     = 0x00800000,       
  ICONLIST_BIG_ICONS      = 0x01000000,       
  ICONLIST_ROWS           = 0,                
  ICONLIST_COLUMNS        = 0x02000000,       
  ICONLIST_NORMAL         = ICONLIST_EXTENDEDSELECT
  };


class FXIcon;
class FXHeader;
class FXFont;
class FXIconList;
class FXFileList;


class FXAPI FXIconItem : public FXObject {
  FXDECLARE(FXIconItem)
  friend class FXIconList;
  friend class FXFileList;
protected:
  FXString  label;      // Text of item
  FXIcon   *bigIcon;    // Big icon shown in big icon mode
  FXIcon   *miniIcon;   // Mini icon shown in mini icon mode
  FXptr     data;       // User data pointer
  FXuint    state;      // State flags
private:
  FXIconItem(const FXIconItem&);
  FXIconItem& operator=(const FXIconItem&);
protected:
  FXIconItem():bigIcon(nullptr),miniIcon(nullptr),data(nullptr),state(0){}
  virtual void draw(const FXIconList* list,FXDC& dc,FXint x,FXint y,FXint w,FXint h) const;
  virtual FXint hitItem(const FXIconList* list,FXint rx,FXint ry,FXint rw=1,FXint rh=1) const;
protected:
  virtual void drawBigIcon(const FXIconList* list,FXDC& dc,FXint x,FXint y,FXint w,FXint h) const;
  virtual void drawMiniIcon(const FXIconList* list,FXDC& dc,FXint x,FXint y,FXint w,FXint h) const;
  virtual void drawDetails(const FXIconList* list,FXDC& dc,FXint x,FXint y,FXint w,FXint h) const;
public:
  enum {
    SELECTED      = 1,  
    FOCUS         = 2,  
    DISABLED      = 4,  
    DRAGGABLE     = 8,  
    BIGICONOWNED  = 16, 
    MINIICONOWNED = 32  
    };
public:

  FXIconItem(const FXString& text,FXIcon* bi=nullptr,FXIcon* mi=nullptr,FXptr ptr=nullptr):label(text),bigIcon(bi),miniIcon(mi),data(ptr),state(0){}

  virtual void setText(const FXString& txt);

  const FXString& getText() const { return label; }

  virtual void setBigIcon(FXIcon* icn,FXbool owned=false);

  FXIcon* getBigIcon() const { return bigIcon; }

  virtual void setMiniIcon(FXIcon* icn,FXbool owned=false);

  FXIcon* getMiniIcon() const { return miniIcon; }

  void setData(FXptr ptr){ data=ptr; }

  FXptr getData() const { return data; }

  virtual void setFocus(FXbool focus);

  FXbool hasFocus() const { return (state&FOCUS)!=0; }

  virtual void setSelected(FXbool selected);

  FXbool isSelected() const { return (state&SELECTED)!=0; }

  virtual void setEnabled(FXbool enabled);

  FXbool isEnabled() const { return (state&DISABLED)==0; }

  virtual void setDraggable(FXbool draggable);

  FXbool isDraggable() const { return (state&DRAGGABLE)!=0; }

  virtual FXString getTipText() const;

  virtual FXint getWidth(const FXIconList* list) const;

  virtual FXint getHeight(const FXIconList* list) const;

  virtual void create();

  virtual void detach();

  virtual void destroy();

  virtual void save(FXStream& store) const;

  virtual void load(FXStream& store);

  virtual ~FXIconItem();
  };


typedef FXint (*FXIconListSortFunc)(const FXIconItem*,const FXIconItem*);


typedef FXObjectListOf<FXIconItem> FXIconItemList;


class FXAPI FXIconList : public FXScrollArea {
  FXDECLARE(FXIconList)
protected:
  FXHeader          *header;            // Header control
  FXIconItemList     items;   // Item list
  FXint              nrows;             // Number of rows
  FXint              ncols;             // Number of columns
  FXint              anchor;            // Anchor item
  FXint              current;           // Current item
  FXint              extent;            // Extent item
  FXint              viewable;          // Visible item
  FXFont            *font;              // Font
  FXIconListSortFunc sortfunc;          // Item sort function
  FXColor            textColor;         // Text color
  FXColor            selbackColor;      // Selected back color
  FXColor            seltextColor;      // Selected text color
  FXint              itemSpace;         // Space for item label
  FXint              itemWidth;         // Item width
  FXint              itemHeight;        // Item height
  FXint              anchorx;           // Rectangular selection
  FXint              anchory;
  FXint              currentx;
  FXint              currenty;
  FXint              grabx;             // Grab point x
  FXint              graby;             // Grab point y
  FXString           lookup;            // Lookup string
  FXString           help;              // Help text
  FXbool             state;             // State of item
protected:
  FXIconList();
  void recompute();
  void startLasso(FXint ax,FXint ay);
  void updateLasso(FXint cx,FXint cy);
  void endLasso();
  void getrowscols(FXint& nr,FXint& nc,FXint w,FXint h) const;
  void lassoChanged(FXint ox,FXint oy,FXint ow,FXint oh,FXint nx,FXint ny,FXint nw,FXint nh,FXbool notify);
  virtual void moveContents(FXint x,FXint y);
  virtual FXIconItem *createItem(const FXString& text,FXIcon *big,FXIcon* mini,FXptr ptr);
  static FXint compareSection(const FXchar *p,const FXchar* q,FXint s);
  static FXint compareSectionCase(const FXchar *p,const FXchar* q,FXint s);
private:
  FXIconList(const FXIconList&);
  FXIconList &operator=(const FXIconList&);
public:
  long onPaint(FXObject*,FXSelector,void*);
  long onEnter(FXObject*,FXSelector,void*);
  long onLeave(FXObject*,FXSelector,void*);
  long onUngrabbed(FXObject*,FXSelector,void*);
  long onKeyPress(FXObject*,FXSelector,void*);
  long onKeyRelease(FXObject*,FXSelector,void*);
  long onLeftBtnPress(FXObject*,FXSelector,void*);
  long onLeftBtnRelease(FXObject*,FXSelector,void*);
  long onRightBtnPress(FXObject*,FXSelector,void*);
  long onRightBtnRelease(FXObject*,FXSelector,void*);
  long onMouseWheel(FXObject*,FXSelector,void*);
  long onMotion(FXObject*,FXSelector,void*);
  long onQueryTip(FXObject*,FXSelector,void*);
  long onQueryHelp(FXObject*,FXSelector,void*);
  long onTipTimer(FXObject*,FXSelector,void*);
  long onCmdSelectAll(FXObject*,FXSelector,void*);
  long onCmdDeselectAll(FXObject*,FXSelector,void*);
  long onCmdSelectInverse(FXObject*,FXSelector,void*);
  long onCmdArrangeByRows(FXObject*,FXSelector,void*);
  long onUpdArrangeByRows(FXObject*,FXSelector,void*);
  long onCmdArrangeByColumns(FXObject*,FXSelector,void*);
  long onUpdArrangeByColumns(FXObject*,FXSelector,void*);
  long onCmdShowDetails(FXObject*,FXSelector,void*);
  long onUpdShowDetails(FXObject*,FXSelector,void*);
  long onCmdShowBigIcons(FXObject*,FXSelector,void*);
  long onUpdShowBigIcons(FXObject*,FXSelector,void*);
  long onCmdShowMiniIcons(FXObject*,FXSelector,void*);
  long onUpdShowMiniIcons(FXObject*,FXSelector,void*);
  long onChgHeader(FXObject*,FXSelector,void*);
  long onClkHeader(FXObject*,FXSelector,void*);
  long onFocusIn(FXObject*,FXSelector,void*);
  long onFocusOut(FXObject*,FXSelector,void*);
  long onClicked(FXObject*,FXSelector,void*);
  long onDoubleClicked(FXObject*,FXSelector,void*);
  long onTripleClicked(FXObject*,FXSelector,void*);
  long onCommand(FXObject*,FXSelector,void*);
  long onAutoScroll(FXObject*,FXSelector,void*);
  long onLookupTimer(FXObject*,FXSelector,void*);
  long onCmdSetValue(FXObject*,FXSelector,void*);
  long onCmdGetIntValue(FXObject*,FXSelector,void*);
  long onCmdSetIntValue(FXObject*,FXSelector,void*);
public:
  static FXint ascending(const FXIconItem* a,const FXIconItem* b);
  static FXint descending(const FXIconItem* a,const FXIconItem* b);
  static FXint ascendingCase(const FXIconItem* a,const FXIconItem* b);
  static FXint descendingCase(const FXIconItem* a,const FXIconItem* b);
public:
  enum {
    ID_LOOKUPTIMER=FXScrollArea::ID_LAST,
    ID_HEADER,
    ID_SHOW_DETAILS,
    ID_SHOW_MINI_ICONS,
    ID_SHOW_BIG_ICONS,
    ID_ARRANGE_BY_ROWS,
    ID_ARRANGE_BY_COLUMNS,
    ID_SELECT_ALL,
    ID_DESELECT_ALL,
    ID_SELECT_INVERSE,
    ID_LAST
    };
public:

  FXIconList(FXComposite *p,FXObject* tgt=nullptr,FXSelector sel=0,FXuint opts=ICONLIST_NORMAL,FXint x=0,FXint y=0,FXint w=0,FXint h=0);

  virtual void create();

  virtual void detach();

  virtual void recalc();

  virtual void layout();

  virtual FXint getContentWidth();

  virtual FXint getContentHeight();

  virtual FXint getVisibleY() const;

  virtual FXint getVisibleHeight() const;

  virtual FXbool canFocus() const;

  virtual void setFocus();

  virtual void killFocus();

  virtual void resize(FXint w,FXint h);

  virtual void position(FXint x,FXint y,FXint w,FXint h);

  FXint getNumItems() const { return (FXint)items.no(); }

  FXint getNumRows() const { return nrows; }

  FXint getNumCols() const { return ncols; }

  FXHeader* getHeader() const { return header; }

  void setHeaders(const FXchar** strings,FXint size=1);

  void setHeaders(const FXString& strings,FXint size=1);

  void appendHeader(const FXString& text,FXIcon *icon=nullptr,FXint size=1);

  void removeHeader(FXint index);

  void setHeaderText(FXint index,const FXString& text);

  FXString getHeaderText(FXint index) const;

  void setHeaderIcon(FXint index,FXIcon *icon);

  FXIcon* getHeaderIcon(FXint index) const;

  void setHeaderSize(FXint index,FXint size);

  FXint getHeaderSize(FXint index) const;

  FXint getNumHeaders() const;

  FXIconItem *getItem(FXint index) const;

  FXint setItem(FXint index,FXIconItem* item,FXbool notify=false);

  FXint setItem(FXint index,const FXString& text,FXIcon *big=nullptr,FXIcon* mini=nullptr,FXptr ptr=nullptr,FXbool notify=false);

  FXint fillItems(const FXchar** strings,FXIcon *big=nullptr,FXIcon* mini=nullptr,FXptr ptr=nullptr,FXbool notify=false);

  FXint fillItems(const FXString* strings,FXIcon *big=nullptr,FXIcon* mini=nullptr,FXptr ptr=nullptr,FXbool notify=false);

  FXint fillItems(const FXString& strings,FXIcon *big=nullptr,FXIcon* mini=nullptr,FXptr ptr=nullptr,FXbool notify=false);

  FXint insertItem(FXint index,FXIconItem* item,FXbool notify=false);

  FXint insertItem(FXint index,const FXString& text,FXIcon *big=nullptr,FXIcon* mini=nullptr,FXptr ptr=nullptr,FXbool notify=false);

  FXint appendItem(FXIconItem* item,FXbool notify=false);

  FXint appendItem(const FXString& text,FXIcon *big=nullptr,FXIcon* mini=nullptr,FXptr ptr=nullptr,FXbool notify=false);

  FXint prependItem(FXIconItem* item,FXbool notify=false);

  FXint prependItem(const FXString& text,FXIcon *big=nullptr,FXIcon* mini=nullptr,FXptr ptr=nullptr,FXbool notify=false);

  FXint moveItem(FXint newindex,FXint oldindex,FXbool notify=false);

  FXIconItem* extractItem(FXint index,FXbool notify=false);

  void removeItem(FXint index,FXbool notify=false);

  void clearItems(FXbool notify=false);

  FXint getItemWidth() const { return itemWidth; }

  FXint getItemHeight() const { return itemHeight; }

  virtual FXint getItemAt(FXint x,FXint y) const;

  FXint findItem(const FXString& string,FXint start=-1,FXuint flags=SEARCH_FORWARD|SEARCH_WRAP) const;

  FXint findItemByData(FXptr ptr,FXint start=-1,FXuint flags=SEARCH_FORWARD|SEARCH_WRAP) const;

  virtual void makeItemVisible(FXint index);

  void setItemText(FXint index,const FXString& text);

  FXString getItemText(FXint index) const;

  void setItemBigIcon(FXint index,FXIcon* icon,FXbool owned=false);

  FXIcon* getItemBigIcon(FXint index) const;

  void setItemMiniIcon(FXint index,FXIcon* icon,FXbool owned=false);

  FXIcon* getItemMiniIcon(FXint index) const;

  void setItemData(FXint index,FXptr ptr);

  FXptr getItemData(FXint index) const;

  FXbool isItemSelected(FXint index) const;

  FXbool isItemCurrent(FXint index) const;

  FXbool isItemVisible(FXint index) const;

  FXbool isItemEnabled(FXint index) const;

  FXint hitItem(FXint index,FXint x,FXint y,FXint ww=1,FXint hh=1) const;

  void updateItem(FXint index) const;

  virtual FXbool enableItem(FXint index);

  virtual FXbool disableItem(FXint index);

  virtual FXbool selectItem(FXint index,FXbool notify=false);

  virtual FXbool deselectItem(FXint index,FXbool notify=false);

  virtual FXbool toggleItem(FXint index,FXbool notify=false);

  virtual FXbool selectInRectangle(FXint x,FXint y,FXint w,FXint h,FXbool notify=false);

  virtual FXbool extendSelection(FXint index,FXbool notify=false);

  virtual FXbool selectAll(FXbool notify=false);

  virtual FXbool killSelection(FXbool notify=false);

  virtual void setCurrentItem(FXint index,FXbool notify=false);

  FXint getCurrentItem() const { return current; }

  void setAnchorItem(FXint index);

  FXint getAnchorItem() const { return anchor; }

  void sortItems();

  FXIconListSortFunc getSortFunc() const { return sortfunc; }

  void setSortFunc(FXIconListSortFunc func){ sortfunc=func; }

  void setFont(FXFont* fnt);

  FXFont* getFont() const { return font; }

  FXColor getTextColor() const { return textColor; }

  void setTextColor(FXColor clr);

  FXColor getSelBackColor() const { return selbackColor; }

  void setSelBackColor(FXColor clr);

  FXColor getSelTextColor() const { return seltextColor; }

  void setSelTextColor(FXColor clr);

  void setItemSpace(FXint s);

  FXint getItemSpace() const { return itemSpace; }

  FXuint getListStyle() const;

  void setListStyle(FXuint style);

  void setHelpText(const FXString& text);

  const FXString& getHelpText() const { return help; }

  virtual void save(FXStream& store) const;

  virtual void load(FXStream& store);

  virtual ~FXIconList();
  };

}

#endif