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/*
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* tixTList.h --
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*
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* This header file defines the data structures used by the tixTList
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* widget.
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*
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* Copyright (c) 1996, Expert Interface Technologies
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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*/
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#ifndef _TIX_TLIST_H_
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#define _TIX_TLIST_H_
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#define TIX_X 0
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#define TIX_Y 1
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typedef struct ListEntry {
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struct ListEntry * next;
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Tix_DItem * iPtr;
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Tk_Uid state;
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int size[2];
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unsigned int selected : 1;
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} ListEntry;
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typedef struct ListRow {
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ListEntry * chPtr;
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int size[2];
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int numEnt;
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} ListRow;
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/*
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* A data structure of the following type is kept for each
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* widget managed by this file:
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*/
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typedef struct ListStruct {
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Tix_DispData dispData;
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Tcl_Command widgetCmd; /* Token for button's widget command. */
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/*
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* Information used when displaying widget:
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*/
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int width, height; /* For app programmer to request size */
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/*
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* Information used when displaying widget:
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*/
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/* Border and general drawing */
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int borderWidth; /* Width of 3-D borders. */
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int selBorderWidth; /* Width of 3-D borders for selected items */
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int relief; /* Indicates whether window as a whole is
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* raised, sunken, or flat. */
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Tk_3DBorder border; /* Used for drawing the 3d border. */
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Tk_3DBorder selectBorder; /* Used for selected background. */
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XColor *normalFg; /* Normal foreground for text. */
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XColor *normalBg; /* Normal background for text. */
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XColor *selectFg; /* Color for drawing selected text. */
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/* GC and stuff */
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GC backgroundGC; /* GC for drawing background. */
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GC selectGC; /* GC for drawing selected background. */
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GC anchorGC; /* GC for drawing dotted anchor highlight. */
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TixFont font; /* Default font used by the DItems. */
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/* Text drawing */
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Cursor cursor; /* Current cursor for window, or None. */
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/* For highlights */
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int highlightWidth; /* Width in pixels of highlight to draw
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* around widget when it has the focus.
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* <= 0 means don't draw a highlight. */
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XColor *highlightColorPtr; /* Color for drawing traversal highlight. */
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GC highlightGC; /* For drawing traversal highlight. */
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/* default pad and gap values */
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int padX, padY;
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Tk_Uid selectMode; /* Selection style: single, browse, multiple,
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* or extended. This value isn't used in C
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* code, but the Tcl bindings use it. */
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Tk_Uid state; /* State can only be normal or disabled. */
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Tix_LinkList entList;
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int numRowAllocd;
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int numRow;
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ListRow * rows;
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ListEntry * seeElemPtr; /* The current item to "see" */
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ListEntry * anchor; /* The current anchor item */
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ListEntry * active; /* The current active item */
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ListEntry * dropSite; /* The current drop site */
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ListEntry * dragSite; /* The current drop site */
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/*
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* Commands
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*/
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char *command; /* The command when user double-clicks */
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char *browseCmd; /* The command to call when the selection
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* changes. */
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char *sizeCmd; /* The command to call when the size of
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* the listbox changes. E.g., when the user
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* add/deletes elements. Useful for
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* auto-scrollbar geometry managers */
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/* These options control how the items are arranged on the list */
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Tk_Uid orientUid; /* Can be "vertical" or "horizontal" */
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int packMode[2]; /* is row and column packed */
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int numMajor[2]; /* num of rows and columns */
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int itemSize[2]; /* horizontal and vertical size of items, -1
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* means natural size */
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/* Info for laying out */
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int maxSize[2]; /* max size of all elements in X and Y, (they
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* do not need to be the same element, may be
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* invalid according to mode */
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char *takeFocus; /* Value of -takefocus option; not used in
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* the C code, but used by keyboard traversal
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* scripts. Malloc'ed, but may be NULL. */
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int serial; /* this number is incremented before each time
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* the widget is redisplayed */
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Tix_DItemInfo * diTypePtr; /* Default item type */
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Tix_IntScrollInfo scrollInfo[2];
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unsigned int redrawing : 1;
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unsigned int resizing : 1;
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unsigned int hasFocus : 1;
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unsigned int isVertical : 1;
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} TixTListWidget;
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typedef TixTListWidget WidgetRecord;
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typedef TixTListWidget * WidgetPtr;
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#endif /* _TIX_TLIST_H_ */
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