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authorWilliam Joye <wjoye@cfa.harvard.edu>2018-01-02 20:34:49 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2018-01-02 20:34:49 (GMT)
commit89c1ac99d375fbd73892aa659f06ef5e2c5ea56e (patch)
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parent01e4cd2ef2ff59418766b2259fbc99771646aba6 (diff)
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upgrade to tcl/tk 8.6.8
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-/*
- * tkScrollbar.h --
- *
- * Declarations of types and functions used to implement the scrollbar
- * widget.
- *
- * Copyright (c) 1996 by Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution of
- * this file, and for a DISCLAIMER OF ALL WARRANTIES.
- */
-
-#ifndef _TKSCROLLBAR
-#define _TKSCROLLBAR
-
-#ifndef _TKINT
-#include "tkInt.h"
-#endif
-
-/*
- * A data structure of the following type is kept for each scrollbar widget.
- */
-
-typedef struct TkScrollbar {
- Tk_Window tkwin; /* Window that embodies the scrollbar. NULL
- * means that the window has been destroyed
- * but the data structures haven't yet been
- * cleaned up.*/
- Display *display; /* Display containing widget. Used, among
- * other things, so that resources can be
- * freed even after tkwin has gone away. */
- Tcl_Interp *interp; /* Interpreter associated with scrollbar. */
- Tcl_Command widgetCmd; /* Token for scrollbar's widget command. */
- int vertical; /* Non-zero means vertical orientation
- * requested, zero means horizontal. */
- int width; /* Desired narrow dimension of scrollbar, in
- * pixels. */
- char *command; /* Command prefix to use when invoking
- * scrolling commands. NULL means don't invoke
- * commands. Malloc'ed. */
- int commandSize; /* Number of non-NULL bytes in command. */
- int repeatDelay; /* How long to wait before auto-repeating on
- * scrolling actions (in ms). */
- int repeatInterval; /* Interval between autorepeats (in ms). */
- int jump; /* Value of -jump option. */
-
- /*
- * Information used when displaying widget:
- */
-
- int borderWidth; /* Width of 3-D borders. */
- Tk_3DBorder bgBorder; /* Used for drawing background (all flat
- * surfaces except for trough). */
- Tk_3DBorder activeBorder; /* For drawing backgrounds when active (i.e.
- * when mouse is positioned over element). */
- XColor *troughColorPtr; /* Color for drawing trough. */
- int relief; /* Indicates whether window as a whole is
- * raised, sunken, or flat. */
- int highlightWidth; /* Width in pixels of highlight to draw around
- * widget when it has the focus. <= 0 means
- * don't draw a highlight. */
- XColor *highlightBgColorPtr;
- /* Color for drawing traversal highlight area
- * when highlight is off. */
- XColor *highlightColorPtr; /* Color for drawing traversal highlight. */
- int inset; /* Total width of all borders, including
- * traversal highlight and 3-D border.
- * Indicates how much interior stuff must be
- * offset from outside edges to leave room for
- * borders. */
- int elementBorderWidth; /* Width of border to draw around elements
- * inside scrollbar (arrows and slider). -1
- * means use borderWidth. */
- int arrowLength; /* Length of arrows along long dimension of
- * scrollbar, including space for a small gap
- * between the arrow and the slider.
- * Recomputed on window size changes. */
- int sliderFirst; /* Pixel coordinate of top or left edge of
- * slider area, including border. */
- int sliderLast; /* Coordinate of pixel just after bottom or
- * right edge of slider area, including
- * border. */
- int activeField; /* Names field to be displayed in active
- * colors, such as TOP_ARROW, or 0 for no
- * field. */
- int activeRelief; /* Value of -activeRelief option: relief to
- * use for active element. */
-
- /*
- * Information describing the application related to the scrollbar. This
- * information is provided by the application by invoking the "set" widget
- * command. This information can now be provided in two ways: the "old"
- * form (totalUnits, windowUnits, firstUnit, and lastUnit), or the "new"
- * form (firstFraction and lastFraction). FirstFraction and lastFraction
- * will always be valid, but the old-style information is only valid if
- * the NEW_STYLE_COMMANDS flag is 0.
- */
-
- int totalUnits; /* Total dimension of application, in units.
- * Valid only if the NEW_STYLE_COMMANDS flag
- * isn't set. */
- int windowUnits; /* Maximum number of units that can be
- * displayed in the window at once. Valid only
- * if the NEW_STYLE_COMMANDS flag isn't set. */
- int firstUnit; /* Number of last unit visible in
- * application's window. Valid only if the
- * NEW_STYLE_COMMANDS flag isn't set. */
- int lastUnit; /* Index of last unit visible in window.
- * Valid only if the NEW_STYLE_COMMANDS flag
- * isn't set. */
- double firstFraction; /* Position of first visible thing in window,
- * specified as a fraction between 0 and
- * 1.0. */
- double lastFraction; /* Position of last visible thing in window,
- * specified as a fraction between 0 and
- * 1.0. */
-
- /*
- * Miscellaneous information:
- */
-
- Tk_Cursor cursor; /* Current cursor for window, or None. */
- char *takeFocus; /* Value of -takefocus option; not used in the
- * C code, but used by keyboard traversal
- * scripts. Malloc'ed, but may be NULL. */
- int flags; /* Various flags; see below for
- * definitions. */
-} TkScrollbar;
-
-/*
- * Legal values for "activeField" field of Scrollbar structures. These are
- * also the return values from the ScrollbarPosition function.
- */
-
-#define OUTSIDE 0
-#define TOP_ARROW 1
-#define TOP_GAP 2
-#define SLIDER 3
-#define BOTTOM_GAP 4
-#define BOTTOM_ARROW 5
-
-/*
- * Flag bits for scrollbars:
- *
- * REDRAW_PENDING: Non-zero means a DoWhenIdle handler has
- * already been queued to redraw this window.
- * NEW_STYLE_COMMANDS: Non-zero means the new style of commands
- * should be used to communicate with the widget:
- * ".t yview scroll 2 lines", instead of
- * ".t yview 40", for example.
- * GOT_FOCUS: Non-zero means this window has the input
- * focus.
- */
-
-#define REDRAW_PENDING 1
-#define NEW_STYLE_COMMANDS 2
-#define GOT_FOCUS 4
-
-/*
- * Declaration of scrollbar class functions structure
- * and default scrollbar width, for use in configSpec.
- */
-
-MODULE_SCOPE const Tk_ClassProcs tkpScrollbarProcs;
-MODULE_SCOPE char tkDefScrollbarWidth[TCL_INTEGER_SPACE];
-
-/*
- * Declaration of functions used in the implementation of the scrollbar
- * widget.
- */
-
-MODULE_SCOPE void TkScrollbarEventProc(ClientData clientData,
- XEvent *eventPtr);
-MODULE_SCOPE void TkScrollbarEventuallyRedraw(TkScrollbar *scrollPtr);
-MODULE_SCOPE void TkpComputeScrollbarGeometry(TkScrollbar *scrollPtr);
-MODULE_SCOPE TkScrollbar *TkpCreateScrollbar(Tk_Window tkwin);
-MODULE_SCOPE void TkpDestroyScrollbar(TkScrollbar *scrollPtr);
-MODULE_SCOPE void TkpDisplayScrollbar(ClientData clientData);
-MODULE_SCOPE void TkpConfigureScrollbar(TkScrollbar *scrollPtr);
-MODULE_SCOPE int TkpScrollbarPosition(TkScrollbar *scrollPtr,
- int x, int y);
-
-#endif /* _TKSCROLLBAR */