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/*  Starshatter OpenSource Distribution
    Copyright (c) 1997-2004, Destroyer Studios LLC.
    All Rights Reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name "Destroyer Studios" nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.

    SUBSYSTEM:    nGenEx.lib
    FILE:         ListBox.h
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    ListBox ActiveWindow class
*/

#ifndef ListBox_h
#define ListBox_h

#include "Types.h"
#include "ScrollWindow.h"
#include "List.h"

// +--------------------------------------------------------------------+

class Bitmap;
class ListBox;
class ListBoxCell;
class ListBoxItem;
class ListBoxColumn;

// +--------------------------------------------------------------------+

class ListBox : public ScrollWindow
{
public:
    enum SORT   {  LIST_SORT_NUMERIC_DESCENDING = -2,
        LIST_SORT_ALPHA_DESCENDING,
        LIST_SORT_NONE,
        LIST_SORT_ALPHA_ASCENDING,
        LIST_SORT_NUMERIC_ASCENDING,
        LIST_SORT_NEVER
    };

    enum ALIGN  {  LIST_ALIGN_LEFT   = DT_LEFT,
        LIST_ALIGN_CENTER = DT_CENTER,
        LIST_ALIGN_RIGHT  = DT_RIGHT
    };

    enum STYLE  {  LIST_ITEM_STYLE_PLAIN,
        LIST_ITEM_STYLE_BOX,
        LIST_ITEM_STYLE_FILLED_BOX
    };

    ListBox(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid);
    ListBox(Screen* s,       int ax, int ay, int aw, int ah, DWORD aid);
    virtual ~ListBox();

    // Operations:
    virtual void      DrawContent(const Rect& ctrl_rect);

    // Event Target Interface:
    virtual int       OnMouseMove(int x, int y);
    virtual int       OnLButtonDown(int x, int y);
    virtual int       OnLButtonUp(int x, int y);
    virtual int       OnMouseWheel(int wheel);
    virtual int       OnClick();

    virtual int       OnKeyDown(int vk, int flags);

    // pseudo-events:
    virtual int       OnDragStart(int x, int y);
    virtual int       OnDragDrop(int x, int y, ActiveWindow* source);

    // Property accessors:
    int            NumItems();
    int            NumColumns();

    Text           GetItemText(int index);
    void           SetItemText(int index, const char* text);
    DWORD          GetItemData(int index);
    void           SetItemData(int index, DWORD data);
    Bitmap*        GetItemImage(int index);
    void           SetItemImage(int index, Bitmap* img);
    Color          GetItemColor(int index);
    void           SetItemColor(int index, Color c);

    Text           GetItemText(int index, int column);
    void           SetItemText(int index, int column, const char* text);
    DWORD          GetItemData(int index, int column);
    void           SetItemData(int index, int column, DWORD data);
    Bitmap*        GetItemImage(int index, int column);
    void           SetItemImage(int index, int column, Bitmap* img);

    int            AddItem(const char* text);
    int            AddImage(Bitmap* img);
    int            AddItemWithData(const char* text, int data);
    void           InsertItem(int index, const char* text);
    void           InsertItemWithData(int index, const char* text, int data);
    void           ClearItems();
    void           RemoveItem(int index);
    void           RemoveSelectedItems();

    void           AddColumn(const char* title,
    int width,
    int align = ListBox::LIST_ALIGN_LEFT,
    int sort  = ListBox::LIST_SORT_NONE);

    Text           GetColumnTitle(int index);
    void           SetColumnTitle(int index, const char* title);
    int            GetColumnWidth(int index);
    void           SetColumnWidth(int index, int width);
    int            GetColumnAlign(int index);
    void           SetColumnAlign(int index, int align);
    int            GetColumnSort(int index);
    void           SetColumnSort(int index, int sort);
    Color          GetColumnColor(int index);
    void           SetColumnColor(int index, Color c);

    Color          GetItemColor(int index, int column);

    int            GetMultiSelect();
    void           SetMultiSelect(int nNewValue);
    bool           GetShowHeadings();
    void           SetShowHeadings(bool nNewValue);
    Color          GetSelectedColor();
    void           SetSelectedColor(Color c);

    int            GetItemStyle() const;
    void           SetItemStyle(int style);
    int            GetSelectedStyle() const;
    void           SetSelectedStyle(int style);

    bool           IsSelected(int index);
    void           SetSelected(int index, bool bNewValue=true);
    void           ClearSelection();

    int            GetSortColumn();
    void           SetSortColumn(int col_index);
    int            GetSortCriteria();
    void           SetSortCriteria(SORT sort);
    void           SortItems();
    void           SizeColumns();

    // read-only:
    virtual int    GetListIndex();
    virtual int    GetLineCount();
    virtual int    GetSelCount();
    virtual int    GetSelection();
    virtual Text   GetSelectedItem();

protected:
    int            IndexFromPoint(int x, int y) const;

    // properties:
    List<ListBoxItem>    items;
    List<ListBoxColumn>  columns;

    bool           show_headings;
    int            multiselect;
    int            list_index;
    int            selcount;

    Color          selected_color;

    int            sort_column;
    int            item_style;
    int            seln_style;
};

#endif  // ListBox_h