375 lines
13 KiB
C++
375 lines
13 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef LISTPANEL_H
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#define LISTPANEL_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <utllinkedlist.h>
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#include <utlvector.h>
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#include <utlrbtree.h>
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#include <vgui/VGUI.h>
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#include <vgui_controls/Panel.h>
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class KeyValues;
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namespace vgui
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{
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class ScrollBar;
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class TextImage;
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class ImagePanel;
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class Label;
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class Button;
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class IDraggerEvent;
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class FastSortListPanelItem;
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//-----------------------------------------------------------------------------
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// Purpose: Generic class for ListPanel items
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//-----------------------------------------------------------------------------
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class ListPanelItem
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{
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public:
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ListPanelItem() :
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kv( 0 ),
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userData( 0 ),
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m_pDragData( 0 ),
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m_bImage( false ),
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m_nImageIndex( -1 ),
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m_nImageIndexSelected( -1 ),
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m_pIcon( 0 )
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{
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}
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KeyValues *kv;
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unsigned int userData;
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KeyValues *m_pDragData;
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bool m_bImage;
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int m_nImageIndex;
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int m_nImageIndexSelected;
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IImage *m_pIcon;
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};
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typedef int __cdecl SortFunc(
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ListPanel *pPanel,
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const ListPanelItem &item1,
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const ListPanelItem &item2 );
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//-----------------------------------------------------------------------------
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// Purpose: A spread-sheet type data view, similar to MFC's
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//-----------------------------------------------------------------------------
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class ListPanel : public Panel
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{
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DECLARE_CLASS_SIMPLE( ListPanel, Panel );
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public:
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ListPanel(Panel *parent, const char *panelName);
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~ListPanel();
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// COLUMN HANDLING
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// all indices are 0 based, limit of 255 columns
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// columns are resizable by default
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enum ColumnFlags_e
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{
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COLUMN_FIXEDSIZE = 0x01, // set to have the column be a fixed size
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COLUMN_RESIZEWITHWINDOW = 0x02, // set to have the column grow with the parent dialog growing
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COLUMN_IMAGE = 0x04, // set if the column data is not text, but instead the index of the image to display
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COLUMN_HIDDEN = 0x08, // column is hidden by default
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COLUMN_UNHIDABLE = 0x10, // column is unhidable
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};
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// adds a column header
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virtual void AddColumnHeader(int index, const char *columnName, const char *columnText, int startingWidth, int minWidth, int maxWidth, int columnFlags = 0);
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virtual void AddColumnHeader(int index, const char *columnName, const char *columnText, int width, int columnFlags = 0);
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virtual void RemoveColumn(int column); // removes a column
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virtual int FindColumn(const char *columnName);
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virtual void SetColumnHeaderHeight( int height );
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virtual void SetColumnHeaderText(int column, const char *text);
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virtual void SetColumnHeaderText(int column, wchar_t *text);
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virtual void SetColumnHeaderImage(int column, int imageListIndex);
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virtual void SetColumnHeaderTooltip(int column, const char *tooltipText);
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virtual void SetColumnTextAlignment( int column, int align );
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// Get information about the column headers.
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virtual int GetNumColumnHeaders() const;
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virtual bool GetColumnHeaderText( int index, char *pOut, int maxLen );
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virtual void SetSortFunc(int column, SortFunc *func);
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virtual void SetSortColumn(int column);
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virtual void SortList( void );
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virtual void SetColumnSortable(int column, bool sortable);
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virtual void SetColumnVisible(int column, bool visible);
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int GetSortColumn() const;
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// sets whether the user can add/remove columns (defaults to off)
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virtual void SetAllowUserModificationOfColumns(bool allowed);
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// DATA HANDLING
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// data->GetName() is used to uniquely identify an item
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// data sub items are matched against column header name to be used in the table
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// Makes a copy of the data for use in the table. Returns the index the item is at.
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virtual int AddItem(const KeyValues *data, unsigned int userData, bool bScrollToItem, bool bSortOnAdd);
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// Unlike AddItem, this takes ownership of the KeyValues * and stores it in the list. Used when dragging from the table. Only used if the caller enables drag support
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void SetItemDragData( int itemID, const KeyValues *data );
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virtual int GetItemCount( void ); // returns the number of VISIBLE items
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virtual int GetItem(const char *itemName); // gets the row index of an item by name (data->GetName())
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virtual KeyValues *GetItem(int itemID); // returns pointer to data the row holds
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virtual int GetItemCurrentRow(int itemID); // returns -1 if invalid index or item not visible
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virtual int GetItemIDFromRow(int currentRow); // returns -1 if invalid row
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virtual unsigned int GetItemUserData(int itemID);
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virtual ListPanelItem *GetItemData(int itemID);
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virtual void SetUserData( int itemID, unsigned int userData );
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virtual int GetItemIDFromUserData( unsigned int userData );
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virtual void ApplyItemChanges(int itemID); // applies any changes to the data, performed by modifying the return of GetItem() above
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virtual void RemoveItem(int itemID); // removes an item from the table (changing the indices of all following items)
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virtual void RereadAllItems(); // updates the view with the new data
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virtual void RemoveAll(); // clears and deletes all the memory used by the data items
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virtual void DeleteAllItems(); // obselete, use RemoveAll();
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virtual void GetCellText(int itemID, int column, wchar_t *buffer, int bufferSize); // returns the data held by a specific cell
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virtual IImage *GetCellImage(int itemID, int column); //, ImagePanel *&buffer); // returns the image held by a specific cell
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// Use these until they return InvalidItemID to iterate all the items.
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virtual int FirstItem() const;
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virtual int NextItem( int iItem ) const;
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virtual int InvalidItemID() const;
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virtual bool IsValidItemID(int itemID);
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// sets whether the dataitem is visible or not
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// it is removed from the row list when it becomes invisible, but stays in the indexes
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// this is much faster than a normal remove
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virtual void SetItemVisible(int itemID, bool state);
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virtual void SetItemDisabled(int itemID, bool state );
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bool IsItemVisible( int itemID );
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void SetAllVisible( bool state );
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virtual void SetFont(HFont font);
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// image handling
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virtual void SetImageList(ImageList *imageList, bool deleteImageListWhenDone);
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// SELECTION
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// returns the count of selected items
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virtual int GetSelectedItemsCount();
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// returns the selected item by selection index, valid in range [0, GetNumSelectedRows)
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virtual int GetSelectedItem(int selectionIndex);
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// sets no item as selected
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virtual void ClearSelectedItems();
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virtual bool IsItemSelected( int itemID );
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// adds a item to the select list
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virtual void AddSelectedItem( int itemID );
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// sets this single item as the only selected item
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virtual void SetSingleSelectedItem( int itemID );
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// returns the selected column, -1 for particular column selected
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virtual int GetSelectedColumn();
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// whether or not to select specific cells (off by default)
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virtual void SetSelectIndividualCells(bool state);
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// whether or not multiple cells/rows can be selected
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void SetMultiselectEnabled( bool bState );
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bool IsMultiselectEnabled() const;
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// sets a single cell - all other previous rows are cleared
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virtual void SetSelectedCell(int row, int column);
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virtual bool GetCellAtPos(int x, int y, int &row, int &column); // returns true if any found, row and column are filled out. x, y are in screen space
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virtual bool GetCellBounds( int row, int column, int& x, int& y, int& wide, int& tall );
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// sets the text which is displayed when the list is empty
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virtual void SetEmptyListText(const char *text);
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virtual void SetEmptyListText(const wchar_t *text);
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// Move the scroll bar to a point where this item is visible
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void ScrollToItem( int itemID );
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// relayout the scroll bar in response to changing the items in the list panel
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// do this if you RemoveAll()
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void ResetScrollBar();
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// Attaches drag data to a particular item
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virtual void OnCreateDragData( KeyValues *msg );
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void SetIgnoreDoubleClick( bool state );
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// set up a field for editing
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virtual void EnterEditMode(int itemID, int column, vgui::Panel *editPanel);
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// leaves editing mode
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virtual void LeaveEditMode();
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// returns true if we are currently in inline editing mode
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virtual bool IsInEditMode();
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MESSAGE_FUNC_INT( ResizeColumnToContents, "ResizeColumnToContents", column );
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#ifdef _X360
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virtual void NavigateTo();
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#endif
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protected:
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// PAINTING
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virtual Panel *GetCellRenderer(int row, int column);
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// overrides
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virtual void OnMouseWheeled(int delta);
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virtual void OnSizeChanged(int wide, int tall);
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virtual void PerformLayout();
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virtual void Paint();
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virtual void PaintBackground();
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virtual void ApplySchemeSettings(IScheme *pScheme);
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virtual void OnMousePressed( MouseCode code );
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virtual void OnMouseDoublePressed( MouseCode code );
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#ifdef _X360
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virtual void OnKeyCodePressed(KeyCode code);
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#endif
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virtual void OnKeyCodeTyped( KeyCode code );
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MESSAGE_FUNC( OnSliderMoved, "ScrollBarSliderMoved" );
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MESSAGE_FUNC_INT_INT( OnColumnResized, "ColumnResized", column, delta );
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MESSAGE_FUNC_INT( OnSetSortColumn, "SetSortColumn", column );
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MESSAGE_FUNC( OpenColumnChoiceMenu, "OpenColumnChoiceMenu" );
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MESSAGE_FUNC_INT( OnToggleColumnVisible, "ToggleColumnVisible", col );
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virtual float GetRowsPerPage();
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virtual int GetStartItem();
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// user configuration
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virtual void ApplyUserConfigSettings(KeyValues *userConfig);
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virtual void GetUserConfigSettings(KeyValues *userConfig);
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virtual bool HasUserConfigSettings();
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/* MESSAGES SENT
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"ItemSelected" - query which items are selected
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"ItemDeselected" - query which items are selected
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*/
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public:
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virtual void SetSortColumnEx( int iPrimarySortColumn, int iSecondarySortColumn, bool bSortAscending );
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void GetSortColumnEx( int &iPrimarySortColumn, int &iSecondarySortColumn, bool &bSortAscending ) const;
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void SetVScrollBarTextures( const char *pszUpArrow, const char *pszDownArrow, const char *pszLine, const char *pszBox );
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void SetHScrollBarTextures( const char *pszUpArrow, const char *pszDownArrow, const char *pszLine, const char *pszBox );
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private:
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// Cleans up allocations associated with a particular item
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void CleanupItem( FastSortListPanelItem *data );
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// adds the item into the column indexes
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void IndexItem(int itemID);
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// Purpose:
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void UpdateSelection( vgui::MouseCode code, int x, int y, int row, int column );
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// Handles multiselect
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void HandleMultiSelection( int itemID, int row, int column );
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// Handles addselect
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void HandleAddSelection( int itemID, int row, int column );
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// pre-sorted columns
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struct IndexItem_t
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{
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ListPanelItem *dataItem;
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int duplicateIndex;
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};
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typedef CUtlRBTree<IndexItem_t, int> IndexRBTree_t;
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struct column_t
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{
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Button *m_pHeader;
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int m_iMinWidth;
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int m_iMaxWidth;
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bool m_bResizesWithWindow;
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Panel *m_pResizer;
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SortFunc *m_pSortFunc;
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bool m_bTypeIsText;
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bool m_bHidden;
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bool m_bUnhidable;
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IndexRBTree_t m_SortedTree;
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int m_nContentAlignment;
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};
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// list of the column headers
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CUtlLinkedList<column_t, unsigned char> m_ColumnsData;
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// persistent list of all columns ever created, indexes into m_ColumnsData - used for matching up DATAITEM m_SortedTreeIndexes
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CUtlVector<unsigned char> m_ColumnsHistory;
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// current list of columns, indexes into m_ColumnsData
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CUtlVector<unsigned char> m_CurrentColumns;
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int m_iColumnDraggerMoved; // which column dragger was moved->which header to resize
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int m_lastBarWidth;
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CUtlLinkedList<FastSortListPanelItem*, int> m_DataItems;
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CUtlVector<int> m_VisibleItems;
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// set to true if the table needs to be sorted before it's drawn next
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int m_iSortColumn;
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int m_iSortColumnSecondary;
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void ResortColumnRBTree(int col);
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static bool RBTreeLessFunc(vgui::ListPanel::IndexItem_t &item1, vgui::ListPanel::IndexItem_t &item2);
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TextImage *m_pTextImage; // used in rendering
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ImagePanel *m_pImagePanel; // used in rendering
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Label *m_pLabel; // used in rendering
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ScrollBar *m_hbar;
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ScrollBar *m_vbar;
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int m_iSelectedColumn;
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bool m_bNeedsSort : 1;
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bool m_bSortAscending : 1;
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bool m_bSortAscendingSecondary : 1;
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bool m_bCanSelectIndividualCells : 1;
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bool m_bShiftHeldDown : 1;
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bool m_bMultiselectEnabled : 1;
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bool m_bAllowUserAddDeleteColumns : 1;
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bool m_bDeleteImageListWhenDone : 1;
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bool m_bIgnoreDoubleClick : 1;
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int m_iHeaderHeight;
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int m_iRowHeight;
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// selection data
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CUtlVector<int> m_SelectedItems; // array of selected rows
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int m_LastItemSelected; // remember the last row selected for future shift clicks
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int m_iTableStartX;
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int m_iTableStartY;
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Color m_LabelFgColor;
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Color m_DisabledColor;
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Color m_SelectionFgColor;
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Color m_DisabledSelectionFgColor;
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ImageList *m_pImageList;
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TextImage *m_pEmptyListText;
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PHandle m_hEditModePanel;
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int m_iEditModeItemID;
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int m_iEditModeColumn;
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void ResetColumnHeaderCommands();
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};
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}
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#endif // LISTPANEL_H
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