320 lines
11 KiB
C
320 lines
11 KiB
C
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/* $Id: tixHList.h,v 1.2 2004/03/28 02:44:56 hobbs Exp $ */
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/*
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* tixHList.h --
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*
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* Defines the data structures and functions used by the tixHList
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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_HLIST_H_
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#define _TIX_HLIST_H_
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#ifndef _TIX_INT_H_
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#include <tixInt.h>
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#endif
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#define HLTYPE_COLUMN 1
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#define HLTYPE_HEADER 2
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#define HLTYPE_ENTRY 3
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/* This is used to indetify what object has caused a DItemSizeChange
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* All data structs for objects that manage DItems must have these two
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* members as the beginning of the struct.
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*/
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typedef struct HLItemTypeInfo {
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int type;
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char * self;
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} HLItemTypeInfo;
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typedef struct HListColumn {
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/* generic type info section */
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int type;
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char * self;
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struct _HListElement * chPtr;
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/* other data */
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Tix_DItem * iPtr;
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int width;
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} HListColumn;
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typedef struct HListHeader {
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/* generic type info section */
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int type;
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char * self;
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struct HListStruct * wPtr;
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/* other data */
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Tix_DItem * iPtr;
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int width;
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Tk_3DBorder background; /* Used for drawing the 3d border. */
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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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int borderWidth;
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} HListHeader;
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/*----------------------------------------------------------------------
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* A HListElement structure contain the information about each element
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* inside the HList.
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*
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*/
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typedef struct _HListElement {
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/* generic type info section */
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int type;
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char * self;
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/* other data */
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struct HListStruct * wPtr;
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struct _HListElement * parent;
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struct _HListElement * prev;
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struct _HListElement * next;
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struct _HListElement * childHead;
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struct _HListElement * childTail;
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int numSelectedChild; /* number of childs that has selection(s) in
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* them (either this child is selected or some
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* of its descendants are selected */
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int numCreatedChild; /* this var gets increment by one each
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* time a child is created */
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char * pathName; /* Full pathname of this element */
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char * name; /* Name of this element */
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int height; /* Height of this element, including padding
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* and selBorderWidth;
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*/
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int allHeight; /* Height of all descendants and self */
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Tk_Uid state; /* State of Tab's for display purposes:
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* normal or disabled. */
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char * data; /* user data field */
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/* bottom-middle position of the bitmap/image branch (offset from
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* the top-left corner of the item)
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*/
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int branchX;
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int branchY;
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/* offset of the left-middle position of the icon */
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int iconX;
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int iconY;
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/*----------------------------------*/
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/* Things to display in the element */
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/*----------------------------------*/
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HListColumn * col; /* the multi-column display items */
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HListColumn _oneCol; /* If we have only one column, then this
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* space is used (pointed to by column).
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* This will save one Malloc */
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int indent;
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Tix_DItem * indicator; /* indicator: little triangle on Mac */
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/*----------------------------------*/
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/* Flags */
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/*----------------------------------*/
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Tix_DItemInfo * diTypePtr;
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unsigned int selected : 1;
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unsigned int hidden : 1;
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unsigned int dirty : 1; /* If it is dirty then its geometry needs
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* be recalculated */
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} Tix_HListElement, HListElement;
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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 HListStruct {
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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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char *command; /* Command prefix to use when invoking
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* scrolling commands. NULL means don't
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* invoke commands. Malloc'ed. */
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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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int indent; /* How much should the children be indented
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* (to the right)?, in pixels */
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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 bachground for text. */
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XColor *selectFg; /* Color for drawing selected text. */
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TixFont font; /* The default font used in the DItems. */
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GC backgroundGC; /* GC for drawing background. */
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GC normalGC; /* GC for drawing text in normal mode. */
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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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GC dropSiteGC; /* GC for drawing dotted anchor highlight. */
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Cursor cursor; /* Current cursor for window, or None. */
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int topPixel; /* Vertical offset */
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int leftPixel; /* Horizontal offset */
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int bottomPixel;
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int wideSelect; /* BOOL: if 1, use a wide selection: the
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* selection background color covers the whole
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* widget. If 0, only the "significant" part
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* of a list entry is highlighted */
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int selectWidth; /* Width of the selection: takes effect only
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* if wideSelect == 1 */
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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 gap, padX, padY;
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char * separator;
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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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int drawBranch; /* Whether to draw the "branch" lines from
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* parent entry to children */
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Tcl_HashTable childTable; /* Hash table to translate child names
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* into (HListElement *) */
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HListElement * root; /* Mother of all elements */
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HListElement * anchor; /* The current anchor item */
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HListElement * dragSite; /* The current drag site */
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HListElement * dropSite; /* The current drop site */
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char *yScrollCmd; /* Command prefix for communicating with
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* vertical scrollbar. NULL means no command
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* to issue. Malloc'ed. */
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char *xScrollCmd; /* Command prefix for communicating with
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* horizontal scrollbar. NULL means no command
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* to issue. Malloc'ed. */
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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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char *browseCmd; /* The command to call when the selection
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* changes. */
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char *indicatorCmd; /* The command to call when the user touches
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* the indicator. */
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char *dragCmd; /* The command to call when info about a
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* drag source is needed */
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char *dropCmd; /* The command to call when action at a drop
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* side needs to be performed */
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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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Tix_LinkList mappedWindows; /* Those windows that are are mapped by this
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* widget*/
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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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int numColumns; /* number of columns in the tixHList widget,
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* cannot be changed after the widget's
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* creation */
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int totalSize[2];
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HListColumn * reqSize; /* Requested column sizes by the user:
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take precedence */
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HListColumn * actualSize; /* Actual column sizes, calculated using
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* the sizes of the ditems */
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HListHeader ** headers; /* Stores all the headers for a HList widget */
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int useHeader; /* whether headers should be used */
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int headerHeight; /* required height of the header */
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Tix_DItemInfo * diTypePtr; /* Default item type */
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Tix_StyleTemplate stTmpl;
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int useIndicator; /* should indicators be displayed */
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int scrollUnit[2];
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Tk_Window headerWin; /* subwindow, used to draw the headers */
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char * elmToSee; /* name of element to "see" the next time
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* this widget is redrawn */
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unsigned redrawing : 1;
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unsigned redrawingFrame : 1;
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unsigned resizing : 1;
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unsigned hasFocus : 1;
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unsigned allDirty : 1;
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unsigned initialized : 1;
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unsigned headerDirty : 1;
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unsigned needToRaise : 1; /* The header subwindow needs to be raised
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* if we add a new window item into the
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* HList widget (either in the list or
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* in the header */
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} HList;
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#define TIX_X 0
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#define TIX_Y 1
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#define UNINITIALIZED -1
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typedef HList WidgetRecord;
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typedef HList * WidgetPtr;
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EXTERN HListColumn * Tix_HLAllocColumn _ANSI_ARGS_((
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WidgetPtr wPtr, HListElement * chPtr));
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EXTERN void Tix_HLCancelResizeWhenIdle _ANSI_ARGS_((
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WidgetPtr wPtr));
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EXTERN void Tix_HLComputeGeometry _ANSI_ARGS_((
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ClientData clientData));
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EXTERN HListElement * Tix_HLFindElement _ANSI_ARGS_((Tcl_Interp *interp,
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WidgetPtr wPtr, CONST84 char * pathName));
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EXTERN void Tix_HLFreeMappedWindow _ANSI_ARGS_((WidgetPtr wPtr,
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HListElement * chPtr));
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EXTERN int Tix_HLElementTopOffset _ANSI_ARGS_((
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WidgetPtr wPtr, HListElement *chPtr));
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EXTERN int Tix_HLElementLeftOffset _ANSI_ARGS_((
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WidgetPtr wPtr, HListElement *chPtr));
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EXTERN int Tix_HLItemInfo _ANSI_ARGS_((Tcl_Interp *interp,
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WidgetPtr wPtr, int argc, CONST84 char** argv));
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EXTERN int Tix_HLHeader _ANSI_ARGS_((ClientData clientData,
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Tcl_Interp *interp, int argc, CONST84 char **argv));
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EXTERN int Tix_HLCreateHeaders _ANSI_ARGS_((
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Tcl_Interp *interp, WidgetPtr wPtr));
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EXTERN void Tix_HLFreeHeaders _ANSI_ARGS_((
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Tcl_Interp *interp, WidgetPtr wPtr));
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EXTERN void Tix_HLDrawHeader _ANSI_ARGS_((
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WidgetPtr wPtr, Pixmap pixmap, GC gc,
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int hdrX, int hdrY, int hdrW, int hdrH,
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int xOffset));
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EXTERN void Tix_HLComputeHeaderGeometry _ANSI_ARGS_((
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WidgetPtr wPtr));
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EXTERN void Tix_HLMarkElementDirty _ANSI_ARGS_((WidgetPtr wPtr,
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HListElement *chPtr));
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EXTERN void Tix_HLResizeWhenIdle _ANSI_ARGS_((WidgetPtr wPtr));
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EXTERN void Tix_HLResizeNow _ANSI_ARGS_((WidgetPtr wPtr));
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EXTERN void Tix_HLComputeGeometry _ANSI_ARGS_((
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ClientData clientData));
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EXTERN void Tix_HLCancelResizeWhenIdle _ANSI_ARGS_((
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WidgetPtr wPtr));
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/* in tixHLCol.c */
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EXTERN TIX_DECLARE_SUBCMD(Tix_HLColumn);
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EXTERN TIX_DECLARE_SUBCMD(Tix_HLItem);
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/* in tixHLInd.c */
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EXTERN TIX_DECLARE_SUBCMD(Tix_HLIndicator);
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#endif /*_TIX_HLIST_H_ */
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