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Diffstat (limited to 'Master/tlpkg/tlperl/lib/Tk/pTk/tixGrData.h')
-rw-r--r-- | Master/tlpkg/tlperl/lib/Tk/pTk/tixGrData.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/Master/tlpkg/tlperl/lib/Tk/pTk/tixGrData.h b/Master/tlpkg/tlperl/lib/Tk/pTk/tixGrData.h deleted file mode 100644 index 1db10aaa37b..00000000000 --- a/Master/tlpkg/tlperl/lib/Tk/pTk/tixGrData.h +++ /dev/null @@ -1,88 +0,0 @@ - -/* $Id: tixGrData.h,v 1.1.1.1 2000/05/17 11:08:42 idiscovery Exp $ */ - -/* - * tixGData.h -- - * - * Defines portable data structure for tixGrid. - * - * Copyright (c) 1996, Expert Interface Technologies - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - */ - -#ifndef _TIX_GRID_DATA_H_ -#define _TIX_GRID_DATA_H_ - -/* - * Data structure that stored the cells in a Grid widget. It is optimized - * for column/row insertion and deletion. - * - * - A grid is divideded into a set of rows and columns. Each row and column - * is divided into a set of cells. - * - * - The following discusses the structure of a row. The structure of a - * column is the reverse of a row. - * - * Row y is stored in the hash table TixGridDataSet.index[1] with - * the index y. Hence, to search for row y, we use the FindHashEntry - * operation: - * - * row_y = TixGridDataSet.index[1].FindHashEntry(y); - * - * To locate a cell (x,y), we can first find the row y, and then - * locate the cell at column x of this row. Note that the cell is - * *not* indexed by its column position (y), but rather by the hash - * table of the column y. The following example illustrates how cell - * (x,y) can be searched: - * - * row_y = TixGridDataSet.index[1].FindHashEntry(y); - * col_x = TixGridDataSet.index[0].FindHashEntry(x); - * - * cell_xy = row_x.list.FindHashEntry(&col_x); - * - * The advantage of this arrangement is it is very efficient to - * insert a row into into the grid -- we just have to fix the - * indices of the rows table. For example, if, after the insertion, - * row_y is now moved to the row y1, we change its index from y to - * y1. In general, an insertion operation takes log(n) time in a - * grid that contains n items. - * - */ -typedef struct TixGridDataSet { - Tcl_HashTable index[2]; /* the row and column indices */ - /* index[0] holds the columns - * (horizontal index) - */ - int maxIdx[2]; /* the max row/col, or {-1,-1} - * if there are no rows/col - */ -} TixGridDataSet; - -#define TIX_GR_AUTO 0 -#define TIX_GR_DEFAULT 1 -#define TIX_GR_DEFINED_PIXEL 2 -#define TIX_GR_DEFINED_CHAR 3 - -typedef struct TixGridSize { - int sizeType; - int sizeValue; /* width or height */ - int pixels; - int pad0, pad1; - double charValue; -} TixGridSize; - -typedef struct TixGridRowCol { - /* private: */ - Tcl_HashTable table; - - /* public: */ - int dispIndex; /* the row or column in which - * this TixGridRowCol is displayed */ - TixGridSize size; -} TixGridRowCol; - - -#endif |