EVOLUTION-MANAGER

Edit File: tkMenubutton.h

/* * 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 #ifdef BUILD_tk # undef TCL_STORAGE_CLASS # define TCL_STORAGE_CLASS DLLEXPORT #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 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. */ } 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 variables shared between the files in the button module. */ MODULE_SCOPE Tk_ClassProcs tkpMenubuttonClass; /* * 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); # undef TCL_STORAGE_CLASS # define TCL_STORAGE_CLASS DLLIMPORT #endif /* _TKMENUBUTTON */