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authordonal.k.fellows@manchester.ac.uk <dkf>2007-06-24 16:07:34 (GMT)
committerdonal.k.fellows@manchester.ac.uk <dkf>2007-06-24 16:07:34 (GMT)
commitf3a660b2937480d214eabf32ee7ec8a7f9e15bc4 (patch)
treed6a57b5bb125238dcf67ca7c92fe84e4400d2916 /generic/tkButton.h
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Cleaning up whitespace, comments, declarations. No functional changes.
Diffstat (limited to 'generic/tkButton.h')
-rw-r--r--generic/tkButton.h647
1 files changed, 324 insertions, 323 deletions
diff --git a/generic/tkButton.h b/generic/tkButton.h
index def38c2..f753127 100644
--- a/generic/tkButton.h
+++ b/generic/tkButton.h
@@ -1,323 +1,324 @@
-/*
- * tkButton.h --
- *
- * Declarations of types and functions used to implement button-like
- * widgets.
- *
- * Copyright (c) 1996-1998 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.
- *
- * RCS: @(#) $Id: tkButton.h,v 1.13 2005/11/27 02:36:13 das Exp $
- */
-
-#ifndef _TKBUTTON
-#define _TKBUTTON
-
-#ifndef _TKINT
-#include "tkInt.h"
-#endif
-
-#ifdef BUILD_tk
-# undef TCL_STORAGE_CLASS
-# define TCL_STORAGE_CLASS DLLEXPORT
-#endif
-
-/*
- * Legal values for the "compound" field of TkButton records.
- */
-
-enum compound {
- COMPOUND_BOTTOM, COMPOUND_CENTER, COMPOUND_LEFT, COMPOUND_NONE,
- COMPOUND_RIGHT, COMPOUND_TOP
-};
-
-/*
- * Legal values for the "state" field of TkButton records.
- */
-
-enum state {
- STATE_ACTIVE, STATE_DISABLED, STATE_NORMAL
-};
-
-/*
- * Legal values for the "defaultState" field of TkButton records.
- */
-
-enum defaultState {
- DEFAULT_ACTIVE, DEFAULT_DISABLED, DEFAULT_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 button. NULL means
- * that the window has been destroyed. */
- Display *display; /* Display containing widget. Needed to free
- * up resources after tkwin is gone. */
- Tcl_Interp *interp; /* Interpreter associated with button. */
- Tcl_Command widgetCmd; /* Token for button's widget command. */
- int type; /* Type of widget, such as TYPE_LABEL:
- * restricts operations that may be performed
- * on widget. See below for legal values. */
- Tk_OptionTable optionTable; /* Table that defines configuration options
- * available for this widget. */
-
- /*
- * Information about what's in the button.
- */
-
- Tcl_Obj *textPtr; /* Value of -text option: specifies text to
- * display in button. */
- int underline; /* Value of -underline option: specifies index
- * of character to underline. < 0 means don't
- * underline anything. */
- Tcl_Obj *textVarNamePtr; /* Value of -textvariable option: specifies
- * name of variable or NULL. If non-NULL,
- * button displays the contents of this
- * variable. */
- Pixmap bitmap; /* Value of -bitmap option. If not None,
- * specifies bitmap to display and text and
- * textVar are ignored. */
- Tcl_Obj *imagePtr; /* Value of -image option: specifies image to
- * display in window, or NULL if none. If
- * non-NULL, bitmap, text, and textVarName are
- * ignored.*/
- Tk_Image image; /* Derived from imagePtr by calling
- * Tk_GetImage, or NULL if imagePtr is
- * NULL. */
- Tcl_Obj *selectImagePtr; /* Value of -selectimage option: specifies
- * image to display in window when selected,
- * or NULL if none. Ignored if imagePtr is
- * NULL. */
- Tk_Image selectImage; /* Derived from selectImagePtr by calling
- * Tk_GetImage, or NULL if selectImagePtr is
- * NULL. */
- Tcl_Obj *tristateImagePtr; /* Value of -tristateimage option: specifies
- * image to display in window when selected,
- * or NULL if none. Ignored if imagePtr is
- * NULL. */
- Tk_Image tristateImage; /* Derived from tristateImagePtr by calling
- * Tk_GetImage, or NULL if tristateImagePtr is
- * NULL. */
-
- /*
- * Information used when displaying widget:
- */
-
- enum state state; /* Value of -state option: specifies state of
- * button for display purposes.*/
- Tk_3DBorder normalBorder; /* Value of -background option: specifies
- * color for background (and border) when
- * window isn't active. */
- Tk_3DBorder activeBorder; /* Value of -activebackground option: this is
- * the color used to draw 3-D border and
- * background when widget is active. */
- Tcl_Obj *borderWidthPtr; /* Value of -borderWidth option: specifies
- * width of border in pixels. */
- int borderWidth; /* Integer value corresponding to
- * borderWidthPtr. Always >= 0. */
- int relief; /* Value of -relief option: specifies 3-d
- * effect for border, such as
- * TK_RELIEF_RAISED. */
- int overRelief; /* Value of -overrelief option: specifies a
- * 3-d effect for the border, such as
- * TK_RELIEF_RAISED, to be used when the mouse
- * is over the button. */
- int offRelief; /* Value of -offrelief option: specifies a 3-d
- * effect for the border, such as
- * TK_RELIEF_RAISED, to be used when a
- * checkbutton or radiobutton without
- * indicator is off */
- Tcl_Obj *highlightWidthPtr; /* Value of -highlightthickness option:
- * specifies width in pixels of highlight to
- * draw around widget when it has the focus.
- * <= 0 means don't draw a highlight. */
- int highlightWidth; /* Integer value corresponding to
- * highlightWidthPtr. Always >= 0. */
- Tk_3DBorder highlightBorder;/* Value of -highlightbackground option:
- * specifies background with which to draw 3-D
- * default ring and focus highlight area when
- * highlight is off. */
- XColor *highlightColorPtr; /* Value of -highlightcolor option: specifies
- * 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; /* Value of -font option: specifies font to
- * use for display text. */
- XColor *normalFg; /* Value of -font option: specifies foreground
- * color in normal mode. */
- XColor *activeFg; /* Value of -activeforeground option:
- * foreground color in active mode. NULL means
- * use -foreground instead. */
- XColor *disabledFg; /* Value of -disabledforeground option:
- * foreground color when disabled. NULL means
- * use normalFg with a 50% stipple instead. */
- GC normalTextGC; /* GC for drawing text in normal mode. Also
- * used to copy from off-screen pixmap onto
- * screen. */
- GC activeTextGC; /* GC for drawing text in active mode (NULL
- * means use normalTextGC). */
- GC disabledGC; /* Used to produce disabled effect for text
- * and check/radio marks. */
- GC stippleGC; /* Used to produce disabled stipple effect for
- * images when disabled. */
- Pixmap gray; /* Pixmap for displaying disabled text if
- * disabledFg is NULL. */
- GC copyGC; /* Used for copying information from an
- * off-screen pixmap to the screen. */
- Tcl_Obj *widthPtr; /* Value of -width option. */
- int width; /* Integer value corresponding to widthPtr. */
- Tcl_Obj *heightPtr; /* Value of -height option. */
- int height; /* Integer value corresponding to heightPtr. */
- Tcl_Obj *wrapLengthPtr; /* Value of -wraplength option: specifies line
- * length (in pixels) at which to wrap onto
- * next line. <= 0 means don't wrap except at
- * newlines. */
- int wrapLength; /* Integer value corresponding to
- * wrapLengthPtr. */
- Tcl_Obj *padXPtr; /* Value of -padx option: specifies how many
- * pixels of extra space to leave on left and
- * right of text. Ignored for bitmaps and
- * images. */
- int padX; /* Integer value corresponding to padXPtr. */
- Tcl_Obj *padYPtr; /* Value of -padx option: specifies how many
- * pixels of extra space to leave above and
- * below text. Ignored for bitmaps and
- * images. */
- int padY; /* Integer value corresponding to padYPtr. */
- Tk_Anchor anchor; /* Value of -anchor option: specifies where
- * text/bitmap should be displayed inside
- * button region. */
- Tk_Justify justify; /* Value of -justify option: specifies how to
- * align lines of multi-line text. */
- int indicatorOn; /* Value of -indicatoron option: 1 means draw
- * indicator in checkbuttons and radiobuttons,
- * 0 means don't draw it. */
- Tk_3DBorder selectBorder; /* Value of -selectcolor option: specifies
- * color for drawing indicator background, or
- * perhaps widget background, when selected */
- 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 indicatorSpace; /* Horizontal space (in pixels) allocated for
- * display of indicator. */
- int indicatorDiameter; /* Diameter of indicator, in pixels. */
- enum defaultState defaultState;
- /* Value of -default option, such as
- * DEFAULT_NORMAL: specifies state of default
- * ring for buttons (normal, active, or
- * disabled). NULL for other classes. */
-
- /*
- * For check and radio buttons, the fields below are used to manage the
- * variable indicating the button's state.
- */
-
- Tcl_Obj *selVarNamePtr; /* Value of -variable option: specifies name
- * of variable used to control selected state
- * of button. */
- Tcl_Obj *onValuePtr; /* Value of -offvalue option: specifies value
- * to store in variable when this button is
- * selected. */
- Tcl_Obj *offValuePtr; /* Value of -offvalue option: specifies value
- * to store in variable when this button isn't
- * selected. Used only by checkbuttons. */
- Tcl_Obj *tristateValuePtr; /* Value of -tristatevalue option: specifies
- * value to display Tristate or Multivalue
- * mode when variable matches this value.
- * Used by check- buttons. */
-
- /*
- * Miscellaneous information:
- */
-
- Tk_Cursor cursor; /* Value of -cursor option: if not None,
- * specifies current cursor for window. */
- Tcl_Obj *takeFocusPtr; /* Value of -takefocus option; not used in the
- * C code, but used by keyboard traversal
- * scripts. */
- Tcl_Obj *commandPtr; /* Value of -command option: specifies script
- * to execute when button is invoked. If
- * widget is label or has no command, this is
- * NULL. */
- int compound; /* Value of -compound option; specifies
- * whether the button should show both an
- * image and text, and, if so, how. */
- int repeatDelay; /* Value of -repeatdelay option; specifies the
- * number of ms after which the button will
- * start to auto-repeat its command. */
- int repeatInterval; /* Value of -repeatinterval option; specifies
- * the number of ms between auto-repeat
- * invocataions of the button command. */
- int flags; /* Various flags; see below for
- * definitions. */
-} TkButton;
-
-/*
- * Possible "type" values for buttons. These are the kinds of widgets
- * supported by this file. The ordering of the type numbers is significant:
- * greater means more features and is used in the code.
- */
-
-#define TYPE_LABEL 0
-#define TYPE_BUTTON 1
-#define TYPE_CHECK_BUTTON 2
-#define TYPE_RADIO_BUTTON 3
-
-/*
- * Flag bits for buttons:
- *
- * REDRAW_PENDING: Non-zero means a DoWhenIdle handler has
- * already been queued to redraw this window.
- * SELECTED: Non-zero means this button is selected, so
- * special highlight should be drawn.
- * GOT_FOCUS: Non-zero means this button currently has the
- * input focus.
- * BUTTON_DELETED: Non-zero needs that this button has been
- * deleted, or is in the process of being deleted
- */
-
-#define REDRAW_PENDING (1 << 0)
-#define SELECTED (1 << 1)
-#define GOT_FOCUS (1 << 2)
-#define BUTTON_DELETED (1 << 3)
-#define TRISTATED (1 << 4)
-
-/*
- * Declaration of variables shared between the files in the button module.
- */
-
-MODULE_SCOPE Tk_ClassProcs tkpButtonProcs;
-
-/*
- * Declaration of functions used in the implementation of the button widget.
- */
-
-#ifndef TkpButtonSetDefaults
-MODULE_SCOPE void TkpButtonSetDefaults(Tk_OptionSpec *specPtr);
-#endif
-MODULE_SCOPE void TkButtonWorldChanged(ClientData instanceData);
-MODULE_SCOPE void TkpComputeButtonGeometry(TkButton *butPtr);
-MODULE_SCOPE TkButton *TkpCreateButton(Tk_Window tkwin);
-#ifndef TkpDestroyButton
-MODULE_SCOPE void TkpDestroyButton(TkButton *butPtr);
-#endif
-#ifndef TkpDisplayButton
-MODULE_SCOPE void TkpDisplayButton(ClientData clientData);
-#endif
-MODULE_SCOPE int TkInvokeButton(TkButton *butPtr);
-
-# undef TCL_STORAGE_CLASS
-# define TCL_STORAGE_CLASS DLLIMPORT
-
-#endif /* _TKBUTTON */
+/*
+ * tkButton.h --
+ *
+ * Declarations of types and functions used to implement button-like
+ * widgets.
+ *
+ * Copyright (c) 1996-1998 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.
+ *
+ * RCS: @(#) $Id: tkButton.h,v 1.14 2007/06/24 16:07:34 dkf Exp $
+ */
+
+#ifndef _TKBUTTON
+#define _TKBUTTON
+
+#ifndef _TKINT
+#include "tkInt.h"
+#endif
+
+#ifdef BUILD_tk
+# undef TCL_STORAGE_CLASS
+# define TCL_STORAGE_CLASS DLLEXPORT
+#endif
+
+/*
+ * Legal values for the "compound" field of TkButton records.
+ */
+
+enum compound {
+ COMPOUND_BOTTOM, COMPOUND_CENTER, COMPOUND_LEFT, COMPOUND_NONE,
+ COMPOUND_RIGHT, COMPOUND_TOP
+};
+
+/*
+ * Legal values for the "state" field of TkButton records.
+ */
+
+enum state {
+ STATE_ACTIVE, STATE_DISABLED, STATE_NORMAL
+};
+
+/*
+ * Legal values for the "defaultState" field of TkButton records.
+ */
+
+enum defaultState {
+ DEFAULT_ACTIVE, DEFAULT_DISABLED, DEFAULT_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 button. NULL means
+ * that the window has been destroyed. */
+ Display *display; /* Display containing widget. Needed to free
+ * up resources after tkwin is gone. */
+ Tcl_Interp *interp; /* Interpreter associated with button. */
+ Tcl_Command widgetCmd; /* Token for button's widget command. */
+ int type; /* Type of widget, such as TYPE_LABEL:
+ * restricts operations that may be performed
+ * on widget. See below for legal values. */
+ Tk_OptionTable optionTable; /* Table that defines configuration options
+ * available for this widget. */
+
+ /*
+ * Information about what's in the button.
+ */
+
+ Tcl_Obj *textPtr; /* Value of -text option: specifies text to
+ * display in button. */
+ int underline; /* Value of -underline option: specifies index
+ * of character to underline. < 0 means don't
+ * underline anything. */
+ Tcl_Obj *textVarNamePtr; /* Value of -textvariable option: specifies
+ * name of variable or NULL. If non-NULL,
+ * button displays the contents of this
+ * variable. */
+ Pixmap bitmap; /* Value of -bitmap option. If not None,
+ * specifies bitmap to display and text and
+ * textVar are ignored. */
+ Tcl_Obj *imagePtr; /* Value of -image option: specifies image to
+ * display in window, or NULL if none. If
+ * non-NULL, bitmap, text, and textVarName are
+ * ignored.*/
+ Tk_Image image; /* Derived from imagePtr by calling
+ * Tk_GetImage, or NULL if imagePtr is
+ * NULL. */
+ Tcl_Obj *selectImagePtr; /* Value of -selectimage option: specifies
+ * image to display in window when selected,
+ * or NULL if none. Ignored if imagePtr is
+ * NULL. */
+ Tk_Image selectImage; /* Derived from selectImagePtr by calling
+ * Tk_GetImage, or NULL if selectImagePtr is
+ * NULL. */
+ Tcl_Obj *tristateImagePtr; /* Value of -tristateimage option: specifies
+ * image to display in window when selected,
+ * or NULL if none. Ignored if imagePtr is
+ * NULL. */
+ Tk_Image tristateImage; /* Derived from tristateImagePtr by calling
+ * Tk_GetImage, or NULL if tristateImagePtr is
+ * NULL. */
+
+ /*
+ * Information used when displaying widget:
+ */
+
+ enum state state; /* Value of -state option: specifies state of
+ * button for display purposes.*/
+ Tk_3DBorder normalBorder; /* Value of -background option: specifies
+ * color for background (and border) when
+ * window isn't active. */
+ Tk_3DBorder activeBorder; /* Value of -activebackground option: this is
+ * the color used to draw 3-D border and
+ * background when widget is active. */
+ Tcl_Obj *borderWidthPtr; /* Value of -borderWidth option: specifies
+ * width of border in pixels. */
+ int borderWidth; /* Integer value corresponding to
+ * borderWidthPtr. Always >= 0. */
+ int relief; /* Value of -relief option: specifies 3-d
+ * effect for border, such as
+ * TK_RELIEF_RAISED. */
+ int overRelief; /* Value of -overrelief option: specifies a
+ * 3-d effect for the border, such as
+ * TK_RELIEF_RAISED, to be used when the mouse
+ * is over the button. */
+ int offRelief; /* Value of -offrelief option: specifies a 3-d
+ * effect for the border, such as
+ * TK_RELIEF_RAISED, to be used when a
+ * checkbutton or radiobutton without
+ * indicator is off. */
+ Tcl_Obj *highlightWidthPtr; /* Value of -highlightthickness option:
+ * specifies width in pixels of highlight to
+ * draw around widget when it has the focus.
+ * <= 0 means don't draw a highlight. */
+ int highlightWidth; /* Integer value corresponding to
+ * highlightWidthPtr. Always >= 0. */
+ Tk_3DBorder highlightBorder;/* Value of -highlightbackground option:
+ * specifies background with which to draw 3-D
+ * default ring and focus highlight area when
+ * highlight is off. */
+ XColor *highlightColorPtr; /* Value of -highlightcolor option: specifies
+ * 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; /* Value of -font option: specifies font to
+ * use for display text. */
+ XColor *normalFg; /* Value of -font option: specifies foreground
+ * color in normal mode. */
+ XColor *activeFg; /* Value of -activeforeground option:
+ * foreground color in active mode. NULL means
+ * use -foreground instead. */
+ XColor *disabledFg; /* Value of -disabledforeground option:
+ * foreground color when disabled. NULL means
+ * use normalFg with a 50% stipple instead. */
+ GC normalTextGC; /* GC for drawing text in normal mode. Also
+ * used to copy from off-screen pixmap onto
+ * screen. */
+ GC activeTextGC; /* GC for drawing text in active mode (NULL
+ * means use normalTextGC). */
+ GC disabledGC; /* Used to produce disabled effect for text
+ * and check/radio marks. */
+ GC stippleGC; /* Used to produce disabled stipple effect for
+ * images when disabled. */
+ Pixmap gray; /* Pixmap for displaying disabled text if
+ * disabledFg is NULL. */
+ GC copyGC; /* Used for copying information from an
+ * off-screen pixmap to the screen. */
+ Tcl_Obj *widthPtr; /* Value of -width option. */
+ int width; /* Integer value corresponding to widthPtr. */
+ Tcl_Obj *heightPtr; /* Value of -height option. */
+ int height; /* Integer value corresponding to heightPtr. */
+ Tcl_Obj *wrapLengthPtr; /* Value of -wraplength option: specifies line
+ * length (in pixels) at which to wrap onto
+ * next line. <= 0 means don't wrap except at
+ * newlines. */
+ int wrapLength; /* Integer value corresponding to
+ * wrapLengthPtr. */
+ Tcl_Obj *padXPtr; /* Value of -padx option: specifies how many
+ * pixels of extra space to leave on left and
+ * right of text. Ignored for bitmaps and
+ * images. */
+ int padX; /* Integer value corresponding to padXPtr. */
+ Tcl_Obj *padYPtr; /* Value of -padx option: specifies how many
+ * pixels of extra space to leave above and
+ * below text. Ignored for bitmaps and
+ * images. */
+ int padY; /* Integer value corresponding to padYPtr. */
+ Tk_Anchor anchor; /* Value of -anchor option: specifies where
+ * text/bitmap should be displayed inside
+ * button region. */
+ Tk_Justify justify; /* Value of -justify option: specifies how to
+ * align lines of multi-line text. */
+ int indicatorOn; /* Value of -indicatoron option: 1 means draw
+ * indicator in checkbuttons and radiobuttons,
+ * 0 means don't draw it. */
+ Tk_3DBorder selectBorder; /* Value of -selectcolor option: specifies
+ * color for drawing indicator background, or
+ * perhaps widget background, when
+ * selected. */
+ 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 indicatorSpace; /* Horizontal space (in pixels) allocated for
+ * display of indicator. */
+ int indicatorDiameter; /* Diameter of indicator, in pixels. */
+ enum defaultState defaultState;
+ /* Value of -default option, such as
+ * DEFAULT_NORMAL: specifies state of default
+ * ring for buttons (normal, active, or
+ * disabled). NULL for other classes. */
+
+ /*
+ * For check and radio buttons, the fields below are used to manage the
+ * variable indicating the button's state.
+ */
+
+ Tcl_Obj *selVarNamePtr; /* Value of -variable option: specifies name
+ * of variable used to control selected state
+ * of button. */
+ Tcl_Obj *onValuePtr; /* Value of -offvalue option: specifies value
+ * to store in variable when this button is
+ * selected. */
+ Tcl_Obj *offValuePtr; /* Value of -offvalue option: specifies value
+ * to store in variable when this button isn't
+ * selected. Used only by checkbuttons. */
+ Tcl_Obj *tristateValuePtr; /* Value of -tristatevalue option: specifies
+ * value to display Tristate or Multivalue
+ * mode when variable matches this value.
+ * Used by check- buttons. */
+
+ /*
+ * Miscellaneous information:
+ */
+
+ Tk_Cursor cursor; /* Value of -cursor option: if not None,
+ * specifies current cursor for window. */
+ Tcl_Obj *takeFocusPtr; /* Value of -takefocus option; not used in the
+ * C code, but used by keyboard traversal
+ * scripts. */
+ Tcl_Obj *commandPtr; /* Value of -command option: specifies script
+ * to execute when button is invoked. If
+ * widget is label or has no command, this is
+ * NULL. */
+ int compound; /* Value of -compound option; specifies
+ * whether the button should show both an
+ * image and text, and, if so, how. */
+ int repeatDelay; /* Value of -repeatdelay option; specifies the
+ * number of ms after which the button will
+ * start to auto-repeat its command. */
+ int repeatInterval; /* Value of -repeatinterval option; specifies
+ * the number of ms between auto-repeat
+ * invocataions of the button command. */
+ int flags; /* Various flags; see below for
+ * definitions. */
+} TkButton;
+
+/*
+ * Possible "type" values for buttons. These are the kinds of widgets
+ * supported by this file. The ordering of the type numbers is significant:
+ * greater means more features and is used in the code.
+ */
+
+#define TYPE_LABEL 0
+#define TYPE_BUTTON 1
+#define TYPE_CHECK_BUTTON 2
+#define TYPE_RADIO_BUTTON 3
+
+/*
+ * Flag bits for buttons:
+ *
+ * REDRAW_PENDING: Non-zero means a DoWhenIdle handler has
+ * already been queued to redraw this window.
+ * SELECTED: Non-zero means this button is selected, so
+ * special highlight should be drawn.
+ * GOT_FOCUS: Non-zero means this button currently has the
+ * input focus.
+ * BUTTON_DELETED: Non-zero needs that this button has been
+ * deleted, or is in the process of being deleted
+ */
+
+#define REDRAW_PENDING (1 << 0)
+#define SELECTED (1 << 1)
+#define GOT_FOCUS (1 << 2)
+#define BUTTON_DELETED (1 << 3)
+#define TRISTATED (1 << 4)
+
+/*
+ * Declaration of variables shared between the files in the button module.
+ */
+
+MODULE_SCOPE Tk_ClassProcs tkpButtonProcs;
+
+/*
+ * Declaration of functions used in the implementation of the button widget.
+ */
+
+#ifndef TkpButtonSetDefaults
+MODULE_SCOPE void TkpButtonSetDefaults(Tk_OptionSpec *specPtr);
+#endif
+MODULE_SCOPE void TkButtonWorldChanged(ClientData instanceData);
+MODULE_SCOPE void TkpComputeButtonGeometry(TkButton *butPtr);
+MODULE_SCOPE TkButton *TkpCreateButton(Tk_Window tkwin);
+#ifndef TkpDestroyButton
+MODULE_SCOPE void TkpDestroyButton(TkButton *butPtr);
+#endif
+#ifndef TkpDisplayButton
+MODULE_SCOPE void TkpDisplayButton(ClientData clientData);
+#endif
+MODULE_SCOPE int TkInvokeButton(TkButton *butPtr);
+
+# undef TCL_STORAGE_CLASS
+# define TCL_STORAGE_CLASS DLLIMPORT
+
+#endif /* _TKBUTTON */