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.CondaPkg/env/include/tkMenubutton.h

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+/*
+ * tkMenubutton.h --
+ *
+ *	Declarations of types and functions used to implement the menubutton
+ *	widget.
+ *
+ * Copyright (c) 1996-1997 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 _TKMENUBUTTON
+#define _TKMENUBUTTON
+
+#ifndef _TKINT
+#include "tkInt.h"
+#endif
+
+#ifndef _TKMENU
+#include "tkMenu.h"
+#endif
+
+/*
+ * Legal values for the "orient" field of TkMenubutton records.
+ */
+
+enum direction {
+    DIRECTION_ABOVE, DIRECTION_BELOW, DIRECTION_FLUSH,
+    DIRECTION_LEFT, DIRECTION_RIGHT
+};
+
+/*
+ * Legal values for the "state" field of TkMenubutton records.
+ */
+
+enum state {
+    STATE_ACTIVE, STATE_DISABLED, STATE_NORMAL
+};
+
+/*
+ * A data structure of the following type is kept for each widget managed by
+ * this file:
+ */
+
+typedef struct {
+    Tk_Window tkwin;		/* Window that embodies the widget. NULL means
+				 * that the window has been destroyed but the
+				 * data structures haven't yet been cleaned
+				 * up. */
+    Display *display;		/* Display containing widget. Needed, among
+				 * other things, so that resources can bee
+				 * freed up even after tkwin has gone away. */
+    Tcl_Interp *interp;		/* Interpreter associated with menubutton. */
+    Tcl_Command widgetCmd;	/* Token for menubutton's widget command. */
+    Tk_OptionTable optionTable;	/* Table that defines configuration options
+				 * available for this widget. */
+    char *menuName;		/* Name of menu associated with widget.
+				 * Malloc-ed. */
+
+    /*
+     * Information about what's displayed in the menu button:
+     */
+
+    char *text;			/* Text to display in button (malloc'ed) or
+				 * NULL. */
+    int underline;		/* Index of character to underline. */
+    char *textVarName;		/* Name of variable (malloc'ed) or NULL. If
+				 * non-NULL, button displays the contents of
+				 * this variable. */
+    Pixmap bitmap;		/* Bitmap to display or None. If not None then
+				 * text and textVar and underline are
+				 * ignored. */
+    char *imageString;		/* Name of image to display (malloc'ed), or
+				 * NULL. If non-NULL, bitmap, text, and
+				 * textVarName are ignored. */
+    Tk_Image image;		/* Image to display in window, or NULL if
+				 * none. */
+
+    /*
+     * Information used when displaying widget:
+     */
+
+    enum state state;		/* State of button for display purposes:
+				 * normal, active, or disabled. */
+    Tk_3DBorder normalBorder;	/* Structure used to draw 3-D border and
+				 * background when window isn't active. NULL
+				 * means no such border exists. */
+    Tk_3DBorder activeBorder;	/* Structure used to draw 3-D border and
+				 * background when window is active. NULL
+				 * means no such border exists. */
+    int borderWidth;		/* Width of border. */
+    int relief;			/* 3-d effect: TK_RELIEF_RAISED, etc. */
+    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. */
+    Tk_Font tkfont;		/* Information about text font, or NULL. */
+    XColor *normalFg;		/* Foreground color in normal mode. */
+    XColor *activeFg;		/* Foreground color in active mode. NULL means
+				 * use normalFg instead. */
+    XColor *disabledFg;		/* Foreground color when disabled. NULL means
+				 * use normalFg with a 50% stipple instead. */
+    GC normalTextGC;		/* GC for drawing text in normal mode. */
+    GC activeTextGC;		/* GC for drawing text in active mode (NULL
+				 * means use normalTextGC). */
+    Pixmap gray;		/* Pixmap for displaying disabled text/icon if
+				 * disabledFg is NULL. */
+    GC disabledGC;		/* Used to produce disabled effect for
+				 * text. */
+    GC stippleGC;		/* Used to produce disabled stipple effect for
+				 * images when disabled. */
+    int leftBearing;		/* Distance from text origin to leftmost drawn
+				 * pixel (positive means to right). */
+    int rightBearing;		/* Amount text sticks right from its
+				 * origin. */
+    char *widthString;		/* Value of -width option. Malloc'ed. */
+    char *heightString;		/* Value of -height option. Malloc'ed. */
+    int width, height;		/* If > 0, these specify dimensions to request
+				 * for window, in characters for text and in
+				 * pixels for bitmaps. In this case the actual
+				 * size of the text string or bitmap is
+				 * ignored in computing desired window
+				 * size. */
+    int wrapLength;		/* Line length (in pixels) at which to wrap
+				 * onto next line. <= 0 means don't wrap
+				 * except at newlines. */
+    int padX, padY;		/* Extra space around text or bitmap (pixels
+				 * on each side). */
+    Tk_Anchor anchor;		/* Where text/bitmap should be displayed
+				 * inside window region. */
+    Tk_Justify justify;		/* Justification to use for multi-line
+				 * text. */
+    int textWidth;		/* Width needed to display text as requested,
+				 * in pixels. */
+    int textHeight;		/* Height needed to display text as requested,
+				 * in pixels. */
+    Tk_TextLayout textLayout;	/* Saved text layout information. */
+    int indicatorOn;		/* Non-zero means display indicator; 0 means
+				 * don't display. */
+    int indicatorHeight;	/* Height of indicator in pixels. This same
+				 * amount of extra space is also left on each
+				 * side of the indicator. 0 if no
+				 * indicator. */
+    int indicatorWidth;		/* Width of indicator in pixels, including
+				 * indicatorHeight in padding on each side. 0
+				 * if no indicator. */
+
+    /*
+     * Miscellaneous information:
+     */
+
+    int compound;		/* Value of -compound option; specifies
+				 * whether the menubutton should show both an
+				 * image and text, and, if so, how. */
+    enum direction direction;	/* Direction for where to pop the menu. Valid
+    				 * directions are "above", "below", "left",
+    				 * "right", and "flush". "flush" means that
+    				 * the upper left corner of the menubutton is
+    				 * where the menu pops up. "above" and "below"
+    				 * will attempt to pop the menu compleletly
+    				 * above or below the menu respectively.
+    				 * "left" and "right" will pop the menu left
+    				 * or right, and the active item will be next
+    				 * to the button. */
+    Tk_Cursor cursor;		/* Current cursor for window, or NULL. */
+    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. */
+} TkMenuButton;
+
+/*
+ * Flag bits for buttons:
+ *
+ * REDRAW_PENDING:		Non-zero means a DoWhenIdle handler has
+ *				already been queued to redraw this window.
+ * POSTED:			Non-zero means that the menu associated with
+ *				this button has been posted (typically because
+ *				of an active button press).
+ * GOT_FOCUS:			Non-zero means this button currently has the
+ *				input focus.
+ */
+
+#define REDRAW_PENDING		1
+#define POSTED			2
+#define GOT_FOCUS		4
+
+/*
+ * The following constants define the dimensions of the cascade indicator,
+ * which is displayed if the "-indicatoron" option is true. The units for
+ * these options are 1/10 millimeters.
+ */
+
+#define INDICATOR_WIDTH		40
+#define INDICATOR_HEIGHT	17
+
+/*
+ * Declaration of procedures used in the implementation of the button widget.
+ */
+
+MODULE_SCOPE void	TkpComputeMenuButtonGeometry(TkMenuButton *mbPtr);
+MODULE_SCOPE TkMenuButton *TkpCreateMenuButton(Tk_Window tkwin);
+MODULE_SCOPE void	TkpDisplayMenuButton(ClientData clientData);
+MODULE_SCOPE void 	TkpDestroyMenuButton(TkMenuButton *mbPtr);
+MODULE_SCOPE void	TkMenuButtonWorldChanged(ClientData instanceData);
+
+#endif /* _TKMENUBUTTON */