treeselector.h

//
//  
//    The Laxkit, a windowing toolkit
//    Please consult http://laxkit.sourceforge.net about where to send any
//    correspondence about this software.
//
//    This library is free software; you can redistribute it and/or
//    modify it under the terms of the GNU Library General Public
//    License as published by the Free Software Foundation; either
//    version 2 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
//    Library General Public License for more details.
//
//    You should have received a copy of the GNU Library General Public
//    License along with this library; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    Copyright (C) 2012 by Tom Lechner
//
#ifndef _LAX_TREESELECTOR_H
#define _LAX_TREESELECTOR_H

#include <lax/anxapp.h>
#include <lax/menuinfo.h>
#include <lax/scrolledwindow.h>
#include <lax/buttondowninfo.h>
#include <lax/vectors.h>

#include <cstring>



 // Item placement and display flags
#define TREESEL_SUB_PLUS             (1LL<<0)
#define TREESEL_LEFT                 (1LL<<1)
#define TREESEL_RIGHT                (1LL<<2)
#define TREESEL_SCROLLERS            (1LL<<3)
#define TREESEL_USE_TITLE            (1LL<<4)

#define TREESEL_SORT_NUMBERS         (1LL<<7)
#define TREESEL_SORT_LETTERS         (1LL<<8)
#define TREESEL_SORT_REVERSE         (1LL<<9)
#define TREESEL_SORT_IGNORE_CASE     (1LL<<10)
#define TREESEL_SORT_BY_EXTENSIONS   (1LL<<11)

#define TREESEL_USE_DOT              (1LL<<12)
#define TREESEL_USE_DOT_DOT          (1LL<<13)

#define TREESEL_ONE_ONLY             (1LL<<14)
#define TREESEL_ZERO_OR_ONE          (1LL<<15)
#define TREESEL_SELECT_ANY           (1LL<<16)
#define TREESEL_SELECT_LEAF_ONLY     (1LL<<17)
#define TREESEL_SELECT_SUB_ONLY      (1LL<<18)
#define TREESEL_CURSSELECTS          (1LL<<19)
#define TREESEL_FOLLOW_MOUSE         (1LL<<20)
#define TREESEL_GRAB_ON_MAP          (1LL<<21)
#define TREESEL_GRAB_ON_ENTER        (1LL<<22)

#define TREESEL_REARRANGEABLE        (1LL<<23)
#define TREESEL_EDIT_IN_PLACE        (1LL<<24)
//*** add items?? (more than just editing names)
//*** remove items??

#define TREESEL_SEND_ON_UP           (1LL<<25)
#define TREESEL_SEND_ON_ENTER        (1LL<<26)
#define TREESEL_SEND_IDS             (1LL<<27)
#define TREESEL_SEND_STRINGS         (1LL<<28)

#define TREESEL_GRAPHIC_ON_RIGHT     (1LL<<29)

//... remember that the buck stops with (1<<63)


namespace Laxkit {




class TreeSelector : public ScrolledWindow
{
  private:
    void base_init();
  protected:

    ButtonDownInfo buttondown;
    int mousedragmode;
    MenuInfo *menu;
    int offsetx,offsety;
    int firstinw;
    int textheight,lineheight,pagesize;
    int timerid;

    MenuItem *curmenuitem;
    int curitem,ccuritem;
    PtrStack<MenuItem> selection;

    char *searchfilter;
    int showsearch;

    int needtobuildcache;
    MenuInfo visibleitems;

    virtual void adjustinrect();
    virtual void findoutrect();
    virtual double getitemextent(MenuItem *mitem,double *w,double *h,double *gx,double *tx);
    virtual double getgraphicextent(MenuItem *mitem,double *w,double *h);
    virtual void drawitem(MenuItem *mitem,IntRectangle *itemspot);
    virtual void drawitem(int c);
    virtual void drawsep(const char *name,IntRectangle *rect);
    virtual void drawSubIndicator(MenuItem *mitem,int x,int y, int selected);
    virtual void drawitemname(MenuItem *mitem,IntRectangle *rect);
    virtual void drawtitle();
    virtual int findmaxwidth(int s,int e, int *h_ret);
    virtual int findColumnWidth(int which);

    virtual int send(int deviceid);
    virtual void addselect(int i,unsigned int state);
    virtual int findItem(int x,int y, int *onsub, int *column);
    virtual int findRect(int c,IntRectangle *itemspot);
    virtual void arrangeItems();
    virtual void syncWindows(int useinrect=0);
    virtual int makeinwindow();
    virtual int numItems();
    virtual MenuItem *item(int i,char skipcache=0);

    virtual int addToCache(int indent,MenuInfo *menu, int cury);
    virtual int DrawItems(int indent, MenuInfo *item, int &n, flatpoint offset);
    virtual void drawItemContents(MenuItem *i,int offsetx,int offsety, int fill=1);
    virtual void drawarrow(int x,int y,int r,int type);

    virtual void editInPlace(int which);
  
  public:
    class ColumnInfo
    {
      public:
        char *title;
        int pos, width;
        int detail; //for remapping order of columns
        ColumnInfo(const char *ntitle, int nwidth);
        ~ColumnInfo();
    };
    PtrStack<ColumnInfo> columns;
    int sort_detail;
    int sort_descending;

    int gap;
    unsigned long highlight,shadow;
    unsigned long long menustyle;
    int padg,pad,leading, iwidth;

    TreeSelector(anXWindow *parnt,const char *nname,const char *ntitle,unsigned long nstyle,
                int xx,int yy,int ww,int hh,int brder,
                anXWindow *prev,unsigned long nowner=0,const char *mes=0,
                unsigned long long nmstyle=0,MenuInfo *minfo=NULL); 
    virtual ~TreeSelector();
    virtual int init();
    virtual void Refresh();
    virtual int CharInput(unsigned int ch,const char *buffer,int len,unsigned int state,const LaxKeyboard *d);
    virtual int LBDown(int x,int y,unsigned int state,int count,const LaxMouse *d);
    virtual int LBUp(int x,int y,unsigned int state,const LaxMouse *d);
    virtual int RBDown(int x,int y,unsigned int state,int count,const LaxMouse *d);
    virtual int RBUp(int x,int y,unsigned int state,const LaxMouse *d);
    virtual int WheelUp(int x,int y,unsigned int state,int count,const LaxMouse *d);
    virtual int WheelDown(int x,int y,unsigned int state,int count,const LaxMouse *d);
    virtual int MouseMove(int x,int y,unsigned int state,const LaxMouse *d);
    virtual int Idle(int tid);
    virtual int MoveResize(int nx,int ny,int nw,int nh);
    virtual int Resize(int nw,int nh);
    virtual int FocusOn(const FocusChangeData *e);
    virtual int FocusOff(const FocusChangeData *e);

    virtual int movescreen(int dx,int dy);
    virtual int SetFirst(int which,int x,int y);
    virtual int Curitem() { return curitem; }
    virtual const MenuItem *Item(int c) { return item(c); }
    virtual MenuInfo *Menu() { return menu; }
    virtual int InstallMenu(MenuInfo *nmenu);

    virtual int Expand(int which);
    virtual int Collapse(int which);
    virtual int Select(int which);
    virtual int Deselect(int which);
    virtual int RebuildCache();
    
    virtual MenuItem *GetSelected(int i);
    virtual int NumSelected();

    //virtual int WhichSelected(unsigned int state);
    virtual void SetLineHeight(int ntotalheight,int newleading, char forcearrange);
    virtual void Sync();
    
    //virtual int RemoveItem(int whichid);
    //virtual int RemoveItem(const char *i);
    virtual void Sort(int t, int detail);
    virtual int AddItems(const char **i,int n,int startid); // assume ids sequential, state=0
    virtual int AddItem(const char *i,LaxImage *img,int nid,int newstate);

    virtual int AddColumn(const char *i,LaxImage *img,int width);
    virtual void ClearColumns();
    virtual void RemapColumns();
};


} // namespace Laxkit

#endif