diff options
Diffstat (limited to 'tk8.6/generic/tkButton.c')
| -rw-r--r-- | tk8.6/generic/tkButton.c | 1878 |
1 files changed, 0 insertions, 1878 deletions
diff --git a/tk8.6/generic/tkButton.c b/tk8.6/generic/tkButton.c deleted file mode 100644 index b7e314e..0000000 --- a/tk8.6/generic/tkButton.c +++ /dev/null @@ -1,1878 +0,0 @@ -/* - * tkButton.c -- - * - * This module implements a collection of button-like widgets for the Tk - * toolkit. The widgets implemented include buttons, checkbuttons, - * radiobuttons, and labels. - * - * Copyright (c) 1990-1994 The Regents of the University of California. - * Copyright (c) 1994-1998 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. - */ - -#include "tkInt.h" -#include "tkButton.h" -#include "default.h" - -typedef struct ThreadSpecificData { - int defaultsInitialized; -} ThreadSpecificData; -static Tcl_ThreadDataKey dataKey; - -/* - * Class names for buttons, indexed by one of the type values defined in - * tkButton.h. - */ - -static const char *const classNames[] = {"Label", "Button", "Checkbutton", "Radiobutton"}; - -/* - * The following table defines the legal values for the -default option. It is - * used together with the "enum defaultValue" declaration in tkButton.h. - */ - -static const char *const defaultStrings[] = { - "active", "disabled", "normal", NULL -}; - -/* - * The following table defines the legal values for the -state option. - * It is used together with the "enum state" declaration in tkButton.h. - */ - -static const char *const stateStrings[] = { - "active", "disabled", "normal", NULL -}; - -/* - * The following table defines the legal values for the -compound option. - * It is used with the "enum compound" declaration in tkButton.h - */ - -static const char *const compoundStrings[] = { - "bottom", "center", "left", "none", "right", "top", NULL -}; - -char tkDefButtonHighlightWidth[TCL_INTEGER_SPACE] = DEF_BUTTON_HIGHLIGHT_WIDTH; -char tkDefButtonPadx[TCL_INTEGER_SPACE] = DEF_BUTTON_PADX; -char tkDefButtonPady[TCL_INTEGER_SPACE] = DEF_BUTTON_PADY; -char tkDefButtonBorderWidth[TCL_INTEGER_SPACE] = DEF_BUTTON_BORDER_WIDTH; -char tkDefLabelHighlightWidth[TCL_INTEGER_SPACE] = DEF_LABEL_HIGHLIGHT_WIDTH; -char tkDefLabelPadx[TCL_INTEGER_SPACE] = DEF_LABCHKRAD_PADX; -char tkDefLabelPady[TCL_INTEGER_SPACE] = DEF_LABCHKRAD_PADY; - -/* - * Information used for parsing configuration options. There is a - * separate table for each of the four widget classes. - */ - -static const Tk_OptionSpec labelOptionSpecs[] = { - {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground", - DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder), - 0, DEF_BUTTON_ACTIVE_BG_MONO, 0}, - {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background", - DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg), - TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0}, - {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor", - DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0}, - {TK_OPTION_BORDER, "-background", "background", "Background", - DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder), - 0, DEF_BUTTON_BG_MONO, 0}, - {TK_OPTION_SYNONYM, "-bd", NULL, NULL, - NULL, 0, -1, 0, "-borderwidth", 0}, - {TK_OPTION_SYNONYM, "-bg", NULL, NULL, - NULL, 0, -1, 0, "-background", 0}, - {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap", - DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth", - tkDefButtonBorderWidth, Tk_Offset(TkButton, borderWidthPtr), - Tk_Offset(TkButton, borderWidth), 0, 0, 0}, - {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound", - DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0, - compoundStrings, 0}, - {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor", - DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground", - "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR, - -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK, - (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0}, - {TK_OPTION_SYNONYM, "-fg", "foreground", NULL, - NULL, 0, -1, 0, "-foreground", 0}, - {TK_OPTION_FONT, "-font", "font", "Font", - DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0}, - {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground", - DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0}, - {TK_OPTION_STRING, "-height", "height", "Height", - DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0}, - {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground", - "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR, - -1, Tk_Offset(TkButton, highlightBorder), 0, - (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0}, - {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor", - DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr), - 0, 0, 0}, - {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness", - "HighlightThickness", tkDefLabelHighlightWidth, - Tk_Offset(TkButton, highlightWidthPtr), - Tk_Offset(TkButton, highlightWidth), 0, 0, 0}, - {TK_OPTION_STRING, "-image", "image", "Image", - DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify", - DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0}, - {TK_OPTION_PIXELS, "-padx", "padX", "Pad", - tkDefLabelPadx, Tk_Offset(TkButton, padXPtr), - Tk_Offset(TkButton, padX), 0, 0, 0}, - {TK_OPTION_PIXELS, "-pady", "padY", "Pad", - tkDefLabelPady, Tk_Offset(TkButton, padYPtr), - Tk_Offset(TkButton, padY), 0, 0, 0}, - {TK_OPTION_RELIEF, "-relief", "relief", "Relief", - DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0}, - {TK_OPTION_STRING_TABLE, "-state", "state", "State", - DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state), - 0, stateStrings, 0}, - {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus", - DEF_LABEL_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-text", "text", "Text", - DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0}, - {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable", - DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_INT, "-underline", "underline", "Underline", - DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0}, - {TK_OPTION_STRING, "-width", "width", "Width", - DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0}, - {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength", - DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr), - Tk_Offset(TkButton, wrapLength), 0, 0, 0}, - {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0} -}; - -static const Tk_OptionSpec buttonOptionSpecs[] = { - {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground", - DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder), - 0, DEF_BUTTON_ACTIVE_BG_MONO, 0}, - {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background", - DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg), - TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0}, - {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor", - DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0}, - {TK_OPTION_BORDER, "-background", "background", "Background", - DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder), - 0, DEF_BUTTON_BG_MONO, 0}, - {TK_OPTION_SYNONYM, "-bd", NULL, NULL, - NULL, 0, -1, 0, "-borderwidth", 0}, - {TK_OPTION_SYNONYM, "-bg", NULL, NULL, - NULL, 0, -1, 0, "-background", 0}, - {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap", - DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth", - tkDefButtonBorderWidth, Tk_Offset(TkButton, borderWidthPtr), - Tk_Offset(TkButton, borderWidth), 0, 0, 0}, - {TK_OPTION_STRING, "-command", "command", "Command", - DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound", - DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0, - compoundStrings, 0}, - {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor", - DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING_TABLE, "-default", "default", "Default", - DEF_BUTTON_DEFAULT, -1, Tk_Offset(TkButton, defaultState), - 0, defaultStrings, 0}, - {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground", - "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR, - -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK, - (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0}, - {TK_OPTION_SYNONYM, "-fg", "foreground", NULL, - NULL, 0, -1, 0, "-foreground", 0}, - {TK_OPTION_FONT, "-font", "font", "Font", - DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0}, - {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground", - DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0}, - {TK_OPTION_STRING, "-height", "height", "Height", - DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0}, - {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground", - "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR, - -1, Tk_Offset(TkButton, highlightBorder), 0, - (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0}, - {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor", - DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr), - 0, 0, 0}, - {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness", - "HighlightThickness", tkDefButtonHighlightWidth, - Tk_Offset(TkButton, highlightWidthPtr), - Tk_Offset(TkButton, highlightWidth), 0, 0, 0}, - {TK_OPTION_STRING, "-image", "image", "Image", - DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify", - DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0}, - {TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief", - DEF_BUTTON_OVER_RELIEF, -1, Tk_Offset(TkButton, overRelief), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_PIXELS, "-padx", "padX", "Pad", - tkDefButtonPadx, Tk_Offset(TkButton, padXPtr), - Tk_Offset(TkButton, padX), 0, 0, 0}, - {TK_OPTION_PIXELS, "-pady", "padY", "Pad", - tkDefButtonPady, Tk_Offset(TkButton, padYPtr), - Tk_Offset(TkButton, padY), 0, 0, 0}, - {TK_OPTION_RELIEF, "-relief", "relief", "Relief", - DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, relief), - 0, 0, 0}, - {TK_OPTION_INT, "-repeatdelay", "repeatDelay", "RepeatDelay", - DEF_BUTTON_REPEAT_DELAY, -1, Tk_Offset(TkButton, repeatDelay), - 0, 0, 0}, - {TK_OPTION_INT, "-repeatinterval", "repeatInterval", "RepeatInterval", - DEF_BUTTON_REPEAT_INTERVAL, -1, Tk_Offset(TkButton, repeatInterval), - 0, 0, 0}, - {TK_OPTION_STRING_TABLE, "-state", "state", "State", - DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state), - 0, stateStrings, 0}, - {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus", - DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-text", "text", "Text", - DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0}, - {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable", - DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_INT, "-underline", "underline", "Underline", - DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0}, - {TK_OPTION_STRING, "-width", "width", "Width", - DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0}, - {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength", - DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr), - Tk_Offset(TkButton, wrapLength), 0, 0, 0}, - {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0} -}; - -static const Tk_OptionSpec checkbuttonOptionSpecs[] = { - {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground", - DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder), - 0, DEF_BUTTON_ACTIVE_BG_MONO, 0}, - {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background", - DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg), - TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0}, - {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor", - DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0}, - {TK_OPTION_BORDER, "-background", "background", "Background", - DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder), - 0, DEF_BUTTON_BG_MONO, 0}, - {TK_OPTION_SYNONYM, "-bd", NULL, NULL, - NULL, 0, -1, 0, "-borderwidth", 0}, - {TK_OPTION_SYNONYM, "-bg", NULL, NULL, - NULL, 0, -1, 0, "-background", 0}, - {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap", - DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth", - tkDefButtonBorderWidth, Tk_Offset(TkButton, borderWidthPtr), - Tk_Offset(TkButton, borderWidth), 0, 0, 0}, - {TK_OPTION_STRING, "-command", "command", "Command", - DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound", - DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0, - compoundStrings, 0}, - {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor", - DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground", - "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR, - -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK, - (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0}, - {TK_OPTION_SYNONYM, "-fg", "foreground", NULL, - NULL, 0, -1, 0, "-foreground", 0}, - {TK_OPTION_FONT, "-font", "font", "Font", - DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0}, - {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground", - DEF_CHKRAD_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0}, - {TK_OPTION_STRING, "-height", "height", "Height", - DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0}, - {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground", - "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR, - -1, Tk_Offset(TkButton, highlightBorder), 0, - (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0}, - {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor", - DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr), - 0, 0, 0}, - {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness", - "HighlightThickness", tkDefButtonHighlightWidth, - Tk_Offset(TkButton, highlightWidthPtr), - Tk_Offset(TkButton, highlightWidth), 0, 0, 0}, - {TK_OPTION_STRING, "-image", "image", "Image", - DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn", - DEF_BUTTON_INDICATOR, -1, Tk_Offset(TkButton, indicatorOn), 0, 0, 0}, - {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify", - DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0}, - {TK_OPTION_RELIEF, "-offrelief", "offRelief", "OffRelief", - DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, offRelief), 0, 0, 0}, - {TK_OPTION_STRING, "-offvalue", "offValue", "Value", - DEF_BUTTON_OFF_VALUE, Tk_Offset(TkButton, offValuePtr), -1, 0, 0, 0}, - {TK_OPTION_STRING, "-onvalue", "onValue", "Value", - DEF_BUTTON_ON_VALUE, Tk_Offset(TkButton, onValuePtr), -1, 0, 0, 0}, - {TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief", - DEF_BUTTON_OVER_RELIEF, -1, Tk_Offset(TkButton, overRelief), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_PIXELS, "-padx", "padX", "Pad", - tkDefLabelPadx, Tk_Offset(TkButton, padXPtr), - Tk_Offset(TkButton, padX), 0, 0, 0}, - {TK_OPTION_PIXELS, "-pady", "padY", "Pad", - tkDefLabelPady, Tk_Offset(TkButton, padYPtr), - Tk_Offset(TkButton, padY), 0, 0, 0}, - {TK_OPTION_RELIEF, "-relief", "relief", "Relief", - DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0}, - {TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background", - DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder), - TK_OPTION_NULL_OK, DEF_BUTTON_SELECT_MONO, 0}, - {TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage", - DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING_TABLE, "-state", "state", "State", - DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state), - 0, stateStrings, 0}, - {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus", - DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-text", "text", "Text", - DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0}, - {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable", - DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-tristateimage", "tristateImage", "TristateImage", - DEF_BUTTON_IMAGE, Tk_Offset(TkButton, tristateImagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-tristatevalue", "tristateValue", "TristateValue", - DEF_BUTTON_TRISTATE_VALUE, Tk_Offset(TkButton, tristateValuePtr), -1, 0, 0, 0}, - {TK_OPTION_INT, "-underline", "underline", "Underline", - DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0}, - {TK_OPTION_STRING, "-variable", "variable", "Variable", - DEF_CHECKBUTTON_VARIABLE, Tk_Offset(TkButton, selVarNamePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-width", "width", "Width", - DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0}, - {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength", - DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr), - Tk_Offset(TkButton, wrapLength), 0, 0, 0}, - {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0} -}; - -static const Tk_OptionSpec radiobuttonOptionSpecs[] = { - {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground", - DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder), - 0, DEF_BUTTON_ACTIVE_BG_MONO, 0}, - {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background", - DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg), - TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0}, - {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor", - DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0}, - {TK_OPTION_BORDER, "-background", "background", "Background", - DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder), - 0, DEF_BUTTON_BG_MONO, 0}, - {TK_OPTION_SYNONYM, "-bd", NULL, NULL, - NULL, 0, -1, 0, "-borderwidth", 0}, - {TK_OPTION_SYNONYM, "-bg", NULL, NULL, - NULL, 0, -1, 0, "-background", 0}, - {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap", - DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth", - tkDefButtonBorderWidth, Tk_Offset(TkButton, borderWidthPtr), - Tk_Offset(TkButton, borderWidth), 0, 0, 0}, - {TK_OPTION_STRING, "-command", "command", "Command", - DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound", - DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0, - compoundStrings, 0}, - {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor", - DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground", - "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR, - -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK, - (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0}, - {TK_OPTION_SYNONYM, "-fg", "foreground", NULL, - NULL, 0, -1, 0, "-foreground", 0}, - {TK_OPTION_FONT, "-font", "font", "Font", - DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0}, - {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground", - DEF_CHKRAD_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0}, - {TK_OPTION_STRING, "-height", "height", "Height", - DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0}, - {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground", - "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR, - -1, Tk_Offset(TkButton, highlightBorder), 0, - (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0}, - {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor", - DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr), - 0, 0, 0}, - {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness", - "HighlightThickness", tkDefButtonHighlightWidth, - Tk_Offset(TkButton, highlightWidthPtr), - Tk_Offset(TkButton, highlightWidth), 0, 0, 0}, - {TK_OPTION_STRING, "-image", "image", "Image", - DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn", - DEF_BUTTON_INDICATOR, -1, Tk_Offset(TkButton, indicatorOn), - 0, 0, 0}, - {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify", - DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0}, - {TK_OPTION_RELIEF, "-offrelief", "offRelief", "OffRelief", - DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, offRelief), 0, 0, 0}, - {TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief", - DEF_BUTTON_OVER_RELIEF, -1, Tk_Offset(TkButton, overRelief), - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_PIXELS, "-padx", "padX", "Pad", - tkDefLabelPadx, Tk_Offset(TkButton, padXPtr), - Tk_Offset(TkButton, padX), 0, 0, 0}, - {TK_OPTION_PIXELS, "-pady", "padY", "Pad", - tkDefLabelPady, Tk_Offset(TkButton, padYPtr), - Tk_Offset(TkButton, padY), 0, 0, 0}, - {TK_OPTION_RELIEF, "-relief", "relief", "Relief", - DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0}, - {TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background", - DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder), - TK_OPTION_NULL_OK, DEF_BUTTON_SELECT_MONO, 0}, - {TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage", - DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING_TABLE, "-state", "state", "State", - DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state), - 0, stateStrings, 0}, - {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus", - DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-text", "text", "Text", - DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0}, - {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable", - DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-tristateimage", "tristateImage", "TristateImage", - DEF_BUTTON_IMAGE, Tk_Offset(TkButton, tristateImagePtr), -1, - TK_OPTION_NULL_OK, 0, 0}, - {TK_OPTION_STRING, "-tristatevalue", "tristateValue", "TristateValue", - DEF_BUTTON_TRISTATE_VALUE, Tk_Offset(TkButton, tristateValuePtr), -1, 0, 0, 0}, - {TK_OPTION_INT, "-underline", "underline", "Underline", - DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0}, - {TK_OPTION_STRING, "-value", "value", "Value", - DEF_BUTTON_VALUE, Tk_Offset(TkButton, onValuePtr), -1, 0, 0, 0}, - {TK_OPTION_STRING, "-variable", "variable", "Variable", - DEF_RADIOBUTTON_VARIABLE, Tk_Offset(TkButton, selVarNamePtr), -1, - 0, 0, 0}, - {TK_OPTION_STRING, "-width", "width", "Width", - DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0}, - {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength", - DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr), - Tk_Offset(TkButton, wrapLength), 0, 0, 0}, - {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0} -}; - -/* - * The following table maps from one of the type values defined in tkButton.h, - * such as TYPE_LABEL, to the option template for that class of widgets. - */ - -static const Tk_OptionSpec *const optionSpecs[] = { - labelOptionSpecs, - buttonOptionSpecs, - checkbuttonOptionSpecs, - radiobuttonOptionSpecs -}; - -/* - * The following tables define the widget commands supported by each of the - * classes, and map the indexes into the string tables into a single - * enumerated type used to dispatch the widget command. - */ - -static const char *const commandNames[][8] = { - {"cget", "configure", NULL}, - {"cget", "configure", "flash", "invoke", NULL}, - {"cget", "configure", "deselect", "flash", "invoke", "select", - "toggle", NULL}, - {"cget", "configure", "deselect", "flash", "invoke", "select", NULL} -}; -enum command { - COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH, - COMMAND_INVOKE, COMMAND_SELECT, COMMAND_TOGGLE -}; -static const enum command map[][8] = { - {COMMAND_CGET, COMMAND_CONFIGURE}, - {COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_FLASH, COMMAND_INVOKE}, - {COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH, - COMMAND_INVOKE, COMMAND_SELECT, COMMAND_TOGGLE}, - {COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH, - COMMAND_INVOKE, COMMAND_SELECT} -}; - -/* - * Forward declarations for functions defined later in this file: - */ - -static void ButtonCmdDeletedProc(ClientData clientData); -static int ButtonCreate(ClientData clientData, - Tcl_Interp *interp, int objc, - Tcl_Obj *const objv[], int type); -static void ButtonEventProc(ClientData clientData, - XEvent *eventPtr); -static void ButtonImageProc(ClientData clientData, - int x, int y, int width, int height, - int imgWidth, int imgHeight); -static void ButtonSelectImageProc(ClientData clientData, - int x, int y, int width, int height, - int imgWidth, int imgHeight); -static void ButtonTristateImageProc(ClientData clientData, - int x, int y, int width, int height, - int imgWidth, int imgHeight); -static char * ButtonTextVarProc(ClientData clientData, - Tcl_Interp *interp, const char *name1, - const char *name2, int flags); -static char * ButtonVarProc(ClientData clientData, - Tcl_Interp *interp, const char *name1, - const char *name2, int flags); -static int ButtonWidgetObjCmd(ClientData clientData, - Tcl_Interp *interp, int objc, - Tcl_Obj *const objv[]); -static int ConfigureButton(Tcl_Interp *interp, TkButton *butPtr, - int objc, Tcl_Obj *const objv[]); -static void DestroyButton(TkButton *butPtr); - -/* - *-------------------------------------------------------------- - * - * Tk_ButtonCmd, Tk_CheckbuttonCmd, Tk_LabelCmd, Tk_RadiobuttonCmd -- - * - * These functions are invoked to process the "button", "label", - * "radiobutton", and "checkbutton" Tcl commands. See the user - * documentation for details on what they do. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * See the user documentation. These functions are just wrappers; they - * call ButtonCreate to do all of the real work. - * - *-------------------------------------------------------------- - */ - -int -Tk_ButtonObjCmd( - ClientData clientData, /* Either NULL or pointer to option table. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[]) /* Argument values. */ -{ - return ButtonCreate(clientData, interp, objc, objv, TYPE_BUTTON); -} - -int -Tk_CheckbuttonObjCmd( - ClientData clientData, /* Either NULL or pointer to option table. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[]) /* Argument values. */ -{ - return ButtonCreate(clientData, interp, objc, objv, TYPE_CHECK_BUTTON); -} - -int -Tk_LabelObjCmd( - ClientData clientData, /* Either NULL or pointer to option table. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[]) /* Argument values. */ -{ - return ButtonCreate(clientData, interp, objc, objv, TYPE_LABEL); -} - -int -Tk_RadiobuttonObjCmd( - ClientData clientData, /* Either NULL or pointer to option table. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[]) /* Argument values. */ -{ - return ButtonCreate(clientData, interp, objc, objv, TYPE_RADIO_BUTTON); -} - -/* - *-------------------------------------------------------------- - * - * ButtonCreate -- - * - * This function does all the real work of implementing the "button", - * "label", "radiobutton", and "checkbutton" Tcl commands. See the user - * documentation for details on what it does. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * See the user documentation. - * - *-------------------------------------------------------------- - */ - -static int -ButtonCreate( - ClientData clientData, /* NULL. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[], /* Argument values. */ - int type) /* Type of button to create: TYPE_LABEL, - * TYPE_BUTTON, TYPE_CHECK_BUTTON, or - * TYPE_RADIO_BUTTON. */ -{ - TkButton *butPtr; - Tk_OptionTable optionTable; - Tk_Window tkwin; - ThreadSpecificData *tsdPtr = - Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); - - if (!tsdPtr->defaultsInitialized) { - TkpButtonSetDefaults(); - tsdPtr->defaultsInitialized = 1; - } - - if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "pathName ?-option value ...?"); - return TCL_ERROR; - } - - /* - * Create the new window. - */ - - tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp), - Tcl_GetString(objv[1]), NULL); - if (tkwin == NULL) { - return TCL_ERROR; - } - - /* - * Create the option table for this widget class. If it has already been - * created, the cached pointer will be returned. - */ - - optionTable = Tk_CreateOptionTable(interp, optionSpecs[type]); - - Tk_SetClass(tkwin, classNames[type]); - butPtr = TkpCreateButton(tkwin); - - Tk_SetClassProcs(tkwin, &tkpButtonProcs, butPtr); - - /* - * Initialize the data structure for the button. - */ - - butPtr->tkwin = tkwin; - butPtr->display = Tk_Display(tkwin); - butPtr->interp = interp; - butPtr->widgetCmd = Tcl_CreateObjCommand(interp, Tk_PathName(tkwin), - ButtonWidgetObjCmd, butPtr, ButtonCmdDeletedProc); - butPtr->type = type; - butPtr->optionTable = optionTable; - butPtr->textPtr = NULL; - butPtr->underline = -1; - butPtr->textVarNamePtr = NULL; - butPtr->bitmap = None; - butPtr->imagePtr = NULL; - butPtr->image = NULL; - butPtr->selectImagePtr = NULL; - butPtr->selectImage = NULL; - butPtr->tristateImagePtr = NULL; - butPtr->tristateImage = NULL; - butPtr->state = STATE_NORMAL; - butPtr->normalBorder = NULL; - butPtr->activeBorder = NULL; - butPtr->borderWidthPtr = NULL; - butPtr->borderWidth = 0; - butPtr->relief = TK_RELIEF_FLAT; - butPtr->highlightWidthPtr = NULL; - butPtr->highlightWidth = 0; - butPtr->highlightBorder = NULL; - butPtr->highlightColorPtr = NULL; - butPtr->inset = 0; - butPtr->tkfont = NULL; - butPtr->normalFg = NULL; - butPtr->activeFg = NULL; - butPtr->disabledFg = NULL; - butPtr->normalTextGC = None; - butPtr->activeTextGC = None; - butPtr->disabledGC = None; - butPtr->stippleGC = None; - butPtr->gray = None; - butPtr->copyGC = None; - butPtr->widthPtr = NULL; - butPtr->width = 0; - butPtr->heightPtr = NULL; - butPtr->height = 0; - butPtr->wrapLengthPtr = NULL; - butPtr->wrapLength = 0; - butPtr->padXPtr = NULL; - butPtr->padX = 0; - butPtr->padYPtr = NULL; - butPtr->padY = 0; - butPtr->anchor = TK_ANCHOR_CENTER; - butPtr->justify = TK_JUSTIFY_CENTER; - butPtr->indicatorOn = 0; - butPtr->selectBorder = NULL; - butPtr->textWidth = 0; - butPtr->textHeight = 0; - butPtr->textLayout = NULL; - butPtr->indicatorSpace = 0; - butPtr->indicatorDiameter = 0; - butPtr->defaultState = DEFAULT_DISABLED; - butPtr->selVarNamePtr = NULL; - butPtr->onValuePtr = NULL; - butPtr->offValuePtr = NULL; - butPtr->tristateValuePtr = NULL; - butPtr->cursor = None; - butPtr->takeFocusPtr = NULL; - butPtr->commandPtr = NULL; - butPtr->flags = 0; - - Tk_CreateEventHandler(butPtr->tkwin, - ExposureMask|StructureNotifyMask|FocusChangeMask, - ButtonEventProc, butPtr); - - if (Tk_InitOptions(interp, (char *) butPtr, optionTable, tkwin) - != TCL_OK) { - Tk_DestroyWindow(butPtr->tkwin); - return TCL_ERROR; - } - if (ConfigureButton(interp, butPtr, objc - 2, objv + 2) != TCL_OK) { - Tk_DestroyWindow(butPtr->tkwin); - return TCL_ERROR; - } - - Tcl_SetObjResult(interp, TkNewWindowObj(butPtr->tkwin)); - return TCL_OK; -} - -/* - *-------------------------------------------------------------- - * - * ButtonWidgetCmd -- - * - * This function is invoked to process the Tcl command that corresponds - * to a widget managed by this module. See the user documentation for - * details on what it does. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * See the user documentation. - * - *-------------------------------------------------------------- - */ - -static int -ButtonWidgetObjCmd( - ClientData clientData, /* Information about button widget. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[]) /* Argument values. */ -{ - TkButton *butPtr = clientData; - int index; - int result; - Tcl_Obj *objPtr; - - if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); - return TCL_ERROR; - } - result = Tcl_GetIndexFromObjStruct(interp, objv[1], commandNames[butPtr->type], - sizeof(char *), "option", 0, &index); - if (result != TCL_OK) { - return result; - } - Tcl_Preserve(butPtr); - - switch (map[butPtr->type][index]) { - case COMMAND_CGET: - if (objc != 3) { - Tcl_WrongNumArgs(interp, 1, objv, "cget option"); - goto error; - } - objPtr = Tk_GetOptionValue(interp, (char *) butPtr, - butPtr->optionTable, objv[2], butPtr->tkwin); - if (objPtr == NULL) { - goto error; - } - Tcl_SetObjResult(interp, objPtr); - break; - - case COMMAND_CONFIGURE: - if (objc <= 3) { - objPtr = Tk_GetOptionInfo(interp, (char *) butPtr, - butPtr->optionTable, (objc == 3) ? objv[2] : NULL, - butPtr->tkwin); - if (objPtr == NULL) { - goto error; - } - Tcl_SetObjResult(interp, objPtr); - } else { - result = ConfigureButton(interp, butPtr, objc-2, objv+2); - } - break; - - case COMMAND_DESELECT: - if (objc > 2) { - Tcl_WrongNumArgs(interp, 1, objv, "deselect"); - goto error; - } - if (butPtr->type == TYPE_CHECK_BUTTON) { - if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL, - butPtr->offValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - goto error; - } - } else if (butPtr->flags & SELECTED) { - if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL, - Tcl_NewObj(), TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) == NULL){ - goto error; - } - } - break; - - case COMMAND_FLASH: - if (objc > 2) { - Tcl_WrongNumArgs(interp, 1, objv, "flash"); - goto error; - } - if (butPtr->state != STATE_DISABLED) { - int i; - - for (i = 0; i < 4; i++) { - if (butPtr->state == STATE_NORMAL) { - butPtr->state = STATE_ACTIVE; - Tk_SetBackgroundFromBorder(butPtr->tkwin, - butPtr->activeBorder); - } else { - butPtr->state = STATE_NORMAL; - Tk_SetBackgroundFromBorder(butPtr->tkwin, - butPtr->normalBorder); - } - TkpDisplayButton(butPtr); - - /* - * Special note: must cancel any existing idle handler for - * TkpDisplayButton; it's no longer needed, and - * TkpDisplayButton cleared the REDRAW_PENDING flag. - */ - - Tcl_CancelIdleCall(TkpDisplayButton, butPtr); - XFlush(butPtr->display); - Tcl_Sleep(50); - } - } - break; - - case COMMAND_INVOKE: - if (objc > 2) { - Tcl_WrongNumArgs(interp, 1, objv, "invoke"); - goto error; - } - if (butPtr->state != STATE_DISABLED) { - result = TkInvokeButton(butPtr); - } - break; - - case COMMAND_SELECT: - if (objc > 2) { - Tcl_WrongNumArgs(interp, 1, objv, "select"); - goto error; - } - if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL, - butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - goto error; - } - break; - - case COMMAND_TOGGLE: - if (objc > 2) { - Tcl_WrongNumArgs(interp, 1, objv, "toggle"); - goto error; - } - if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL, - (butPtr->flags & SELECTED) ? butPtr->offValuePtr - : butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - goto error; - } - break; - } - Tcl_Release(butPtr); - return result; - - error: - Tcl_Release(butPtr); - return TCL_ERROR; -} - -/* - *---------------------------------------------------------------------- - * - * DestroyButton -- - * - * This function is invoked by ButtonEventProc to free all the resources - * of a button and clean up its state. - * - * Results: - * None. - * - * Side effects: - * Everything associated with the widget is freed. - * - *---------------------------------------------------------------------- - */ - -static void -DestroyButton( - TkButton *butPtr) /* Info about button widget. */ -{ - butPtr->flags |= BUTTON_DELETED; - TkpDestroyButton(butPtr); - - if (butPtr->flags & REDRAW_PENDING) { - Tcl_CancelIdleCall(TkpDisplayButton, butPtr); - } - - /* - * Free up all the stuff that requires special handling, then let - * Tk_FreeOptions handle all the standard option-related stuff. - */ - - Tcl_DeleteCommandFromToken(butPtr->interp, butPtr->widgetCmd); - if (butPtr->textVarNamePtr != NULL) { - Tcl_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->textVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonTextVarProc, butPtr); - } - if (butPtr->image != NULL) { - Tk_FreeImage(butPtr->image); - } - if (butPtr->selectImage != NULL) { - Tk_FreeImage(butPtr->selectImage); - } - if (butPtr->tristateImage != NULL) { - Tk_FreeImage(butPtr->tristateImage); - } - if (butPtr->normalTextGC != None) { - Tk_FreeGC(butPtr->display, butPtr->normalTextGC); - } - if (butPtr->activeTextGC != None) { - Tk_FreeGC(butPtr->display, butPtr->activeTextGC); - } - if (butPtr->disabledGC != None) { - Tk_FreeGC(butPtr->display, butPtr->disabledGC); - } - if (butPtr->stippleGC != None) { - Tk_FreeGC(butPtr->display, butPtr->stippleGC); - } - if (butPtr->gray != None) { - Tk_FreeBitmap(butPtr->display, butPtr->gray); - } - if (butPtr->copyGC != None) { - Tk_FreeGC(butPtr->display, butPtr->copyGC); - } - if (butPtr->textLayout != NULL) { - Tk_FreeTextLayout(butPtr->textLayout); - } - if (butPtr->selVarNamePtr != NULL) { - Tcl_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->selVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonVarProc, butPtr); - } - Tk_FreeConfigOptions((char *) butPtr, butPtr->optionTable, - butPtr->tkwin); - butPtr->tkwin = NULL; - Tcl_EventuallyFree(butPtr, TCL_DYNAMIC); -} - -/* - *---------------------------------------------------------------------- - * - * ConfigureButton -- - * - * This function is called to process an objc/objv list to set - * configuration options for a button widget. - * - * Results: - * The return value is a standard Tcl result. If TCL_ERROR is returned, - * then an error message is left in interp's result. - * - * Side effects: - * Configuration information, such as text string, colors, font, etc. get - * set for butPtr; old resources get freed, if there were any. The button - * is redisplayed. - * - *---------------------------------------------------------------------- - */ - -static int -ConfigureButton( - Tcl_Interp *interp, /* Used for error reporting. */ - register TkButton *butPtr, /* Information about widget; may or may - * not already have values for some fields. */ - int objc, /* Number of arguments. */ - Tcl_Obj *const objv[]) /* Argument values. */ -{ - Tk_SavedOptions savedOptions; - Tcl_Obj *errorResult = NULL; - int error, haveImage; - Tk_Image image; - - /* - * Eliminate any existing trace on variables monitored by the button. - */ - - if (butPtr->textVarNamePtr != NULL) { - Tcl_UntraceVar2(interp, Tcl_GetString(butPtr->textVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonTextVarProc, butPtr); - } - if (butPtr->selVarNamePtr != NULL) { - Tcl_UntraceVar2(interp, Tcl_GetString(butPtr->selVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonVarProc, butPtr); - } - - /* - * The following loop is potentially executed twice. During the first pass - * configuration options get set to their new values. If there is an error - * in this pass, we execute a second pass to restore all the options to - * their previous values. - */ - - for (error = 0; error <= 1; error++) { - if (!error) { - /* - * First pass: set options to new values. - */ - - if (Tk_SetOptions(interp, (char *) butPtr, - butPtr->optionTable, objc, objv, - butPtr->tkwin, &savedOptions, NULL) != TCL_OK) { - continue; - } - } else { - /* - * Second pass: restore options to old values. - */ - - errorResult = Tcl_GetObjResult(interp); - Tcl_IncrRefCount(errorResult); - Tk_RestoreSavedOptions(&savedOptions); - } - - if ((butPtr->flags & BUTTON_DELETED)) { - /* - * Somehow button was deleted - just abort now. [Bug #824479] - */ - return TCL_ERROR; - } - - /* - * A few options need special processing, such as setting the - * background from a 3-D border, or filling in complicated defaults - * that couldn't be specified to Tk_SetOptions. - */ - - if ((butPtr->state == STATE_ACTIVE) - && !Tk_StrictMotif(butPtr->tkwin)) { - Tk_SetBackgroundFromBorder(butPtr->tkwin, butPtr->activeBorder); - } else { - Tk_SetBackgroundFromBorder(butPtr->tkwin, butPtr->normalBorder); - } - if (butPtr->borderWidth < 0) { - butPtr->borderWidth = 0; - } - if (butPtr->highlightWidth < 0) { - butPtr->highlightWidth = 0; - } - if (butPtr->padX < 0) { - butPtr->padX = 0; - } - if (butPtr->padY < 0) { - butPtr->padY = 0; - } - - if (butPtr->type >= TYPE_CHECK_BUTTON) { - Tcl_Obj *valuePtr, *namePtr; - - if (butPtr->selVarNamePtr == NULL) { - butPtr->selVarNamePtr = Tcl_NewStringObj( - Tk_Name(butPtr->tkwin), -1); - Tcl_IncrRefCount(butPtr->selVarNamePtr); - } - namePtr = butPtr->selVarNamePtr; - - /* - * Select the button if the associated variable has the - * appropriate value, initialize the variable if it doesn't exist, - * then set a trace on the variable to monitor future changes to - * its value. - */ - - valuePtr = Tcl_ObjGetVar2(interp, namePtr, NULL, TCL_GLOBAL_ONLY); - butPtr->flags &= ~SELECTED; - butPtr->flags &= ~TRISTATED; - if (valuePtr != NULL) { - const char *value = Tcl_GetString(valuePtr); - if (strcmp(value, Tcl_GetString(butPtr->onValuePtr)) == 0) { - butPtr->flags |= SELECTED; - } else if (strcmp(value, - Tcl_GetString(butPtr->tristateValuePtr)) == 0) { - butPtr->flags |= TRISTATED; - - /* - * For checkbuttons if the tristate value is the - * same as the offvalue then prefer off to tristate - */ - - if (butPtr->offValuePtr - && strcmp(value, - Tcl_GetString(butPtr->offValuePtr)) == 0) { - butPtr->flags &= ~TRISTATED; - } - } - } else { - if (Tcl_ObjSetVar2(interp, namePtr, NULL, - (butPtr->type == TYPE_CHECK_BUTTON) - ? butPtr->offValuePtr : Tcl_NewObj(), - TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - continue; - } - - /* - * If a radiobutton has the empty string as value it should be - * selected. - */ - - if ((butPtr->type == TYPE_RADIO_BUTTON) && - (*Tcl_GetString(butPtr->onValuePtr) == 0)) { - butPtr->flags |= SELECTED; - } - } - } - - /* - * Get the images for the widget, if there are any. Allocate the new - * images before freeing the old ones, so that the reference counts - * don't go to zero and cause image data to be discarded. - */ - - if (butPtr->imagePtr != NULL) { - image = Tk_GetImage(butPtr->interp, butPtr->tkwin, - Tcl_GetString(butPtr->imagePtr), ButtonImageProc, - butPtr); - if (image == NULL) { - continue; - } - } else { - image = NULL; - } - if (butPtr->image != NULL) { - Tk_FreeImage(butPtr->image); - } - butPtr->image = image; - if (butPtr->selectImagePtr != NULL) { - image = Tk_GetImage(butPtr->interp, butPtr->tkwin, - Tcl_GetString(butPtr->selectImagePtr), - ButtonSelectImageProc, butPtr); - if (image == NULL) { - continue; - } - } else { - image = NULL; - } - if (butPtr->selectImage != NULL) { - Tk_FreeImage(butPtr->selectImage); - } - butPtr->selectImage = image; - if (butPtr->tristateImagePtr != NULL) { - image = Tk_GetImage(butPtr->interp, butPtr->tkwin, - Tcl_GetString(butPtr->tristateImagePtr), - ButtonTristateImageProc, butPtr); - if (image == NULL) { - continue; - } - } else { - image = NULL; - } - if (butPtr->tristateImage != NULL) { - Tk_FreeImage(butPtr->tristateImage); - } - butPtr->tristateImage = image; - - haveImage = 0; - if (butPtr->imagePtr != NULL || butPtr->bitmap != None) { - haveImage = 1; - } - if ((!haveImage || butPtr->compound != COMPOUND_NONE) - && (butPtr->textVarNamePtr != NULL)) { - /* - * The button must display the value of a variable: set up a trace - * on the variable's value, create the variable if it doesn't - * exist, and fetch its current value. - */ - - Tcl_Obj *valuePtr, *namePtr; - - namePtr = butPtr->textVarNamePtr; - valuePtr = Tcl_ObjGetVar2(interp, namePtr, NULL, TCL_GLOBAL_ONLY); - if (valuePtr == NULL) { - if (Tcl_ObjSetVar2(interp, namePtr, NULL, butPtr->textPtr, - TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - continue; - } - } else { - if (butPtr->textPtr != NULL) { - Tcl_DecrRefCount(butPtr->textPtr); - } - butPtr->textPtr = valuePtr; - Tcl_IncrRefCount(butPtr->textPtr); - } - } - - if ((butPtr->bitmap != None) || (butPtr->imagePtr != NULL)) { - /* - * The button must display the contents of an image or bitmap. - */ - - if (Tk_GetPixelsFromObj(interp, butPtr->tkwin, butPtr->widthPtr, - &butPtr->width) != TCL_OK) { - widthError: - Tcl_AddErrorInfo(interp, "\n (processing -width option)"); - continue; - } - if (Tk_GetPixelsFromObj(interp, butPtr->tkwin, butPtr->heightPtr, - &butPtr->height) != TCL_OK) { - heightError: - Tcl_AddErrorInfo(interp, "\n (processing -height option)"); - continue; - } - } else { - /* - * The button displays an ordinary text string. - */ - - if (Tcl_GetIntFromObj(interp, butPtr->widthPtr, &butPtr->width) - != TCL_OK) { - goto widthError; - } - if (Tcl_GetIntFromObj(interp, butPtr->heightPtr, &butPtr->height) - != TCL_OK) { - goto heightError; - } - } - break; - } - if (!error) { - Tk_FreeSavedOptions(&savedOptions); - } - - /* - * Reestablish the variable traces, if they're needed. - */ - - if (butPtr->textVarNamePtr != NULL) { - Tcl_TraceVar2(interp, Tcl_GetString(butPtr->textVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonTextVarProc, butPtr); - } - if (butPtr->selVarNamePtr != NULL) { - Tcl_TraceVar2(interp, Tcl_GetString(butPtr->selVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonVarProc, butPtr); - } - - TkButtonWorldChanged(butPtr); - if (error) { - Tcl_SetObjResult(interp, errorResult); - Tcl_DecrRefCount(errorResult); - return TCL_ERROR; - } else { - return TCL_OK; - } -} - -/* - *--------------------------------------------------------------------------- - * - * TkButtonWorldChanged -- - * - * This function is called when the world has changed in some way and the - * widget needs to recompute all its graphics contexts and determine its - * new geometry. - * - * Results: - * None. - * - * Side effects: - * Button will be relayed out and redisplayed. - * - *--------------------------------------------------------------------------- - */ - -void -TkButtonWorldChanged( - ClientData instanceData) /* Information about widget. */ -{ - XGCValues gcValues; - GC newGC; - unsigned long mask; - TkButton *butPtr = instanceData; - - /* - * Recompute GCs. - */ - - gcValues.font = Tk_FontId(butPtr->tkfont); - gcValues.foreground = butPtr->normalFg->pixel; - gcValues.background = Tk_3DBorderColor(butPtr->normalBorder)->pixel; - - /* - * Note: GraphicsExpose events are disabled in normalTextGC because it's - * used to copy stuff from an off-screen pixmap onto the screen (we know - * that there's no problem with obscured areas). - */ - - gcValues.graphics_exposures = False; - mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; - newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues); - if (butPtr->normalTextGC != None) { - Tk_FreeGC(butPtr->display, butPtr->normalTextGC); - } - butPtr->normalTextGC = newGC; - - if (butPtr->activeFg != NULL) { - gcValues.foreground = butPtr->activeFg->pixel; - gcValues.background = Tk_3DBorderColor(butPtr->activeBorder)->pixel; - mask = GCForeground | GCBackground | GCFont; - newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues); - if (butPtr->activeTextGC != None) { - Tk_FreeGC(butPtr->display, butPtr->activeTextGC); - } - butPtr->activeTextGC = newGC; - } - - gcValues.background = Tk_3DBorderColor(butPtr->normalBorder)->pixel; - - /* - * Create the GC that can be used for stippling - */ - - if (butPtr->stippleGC == None) { - gcValues.foreground = gcValues.background; - mask = GCForeground; - if (butPtr->gray == None) { - butPtr->gray = Tk_GetBitmap(NULL, butPtr->tkwin, "gray50"); - } - if (butPtr->gray != None) { - gcValues.fill_style = FillStippled; - gcValues.stipple = butPtr->gray; - mask |= GCFillStyle | GCStipple; - } - butPtr->stippleGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues); - } - - /* - * Allocate the disabled graphics context, for drawing text in its - * disabled state. - */ - - mask = GCForeground | GCBackground | GCFont; - if (butPtr->disabledFg != NULL) { - gcValues.foreground = butPtr->disabledFg->pixel; - } else { - gcValues.foreground = gcValues.background; - } - newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues); - if (butPtr->disabledGC != None) { - Tk_FreeGC(butPtr->display, butPtr->disabledGC); - } - butPtr->disabledGC = newGC; - - if (butPtr->copyGC == None) { - butPtr->copyGC = Tk_GetGC(butPtr->tkwin, 0, &gcValues); - } - - TkpComputeButtonGeometry(butPtr); - - /* - * Lastly, arrange for the button to be redisplayed. - */ - - if (Tk_IsMapped(butPtr->tkwin) && !(butPtr->flags & REDRAW_PENDING)) { - Tcl_DoWhenIdle(TkpDisplayButton, butPtr); - butPtr->flags |= REDRAW_PENDING; - } -} - -/* - *-------------------------------------------------------------- - * - * ButtonEventProc -- - * - * This function is invoked by the Tk dispatcher for various events on - * buttons. - * - * Results: - * None. - * - * Side effects: - * When the window gets deleted, internal structures get cleaned up. When - * it gets exposed, it is redisplayed. - * - *-------------------------------------------------------------- - */ - -static void -ButtonEventProc( - ClientData clientData, /* Information about window. */ - XEvent *eventPtr) /* Information about event. */ -{ - TkButton *butPtr = clientData; - if ((eventPtr->type == Expose) && (eventPtr->xexpose.count == 0)) { - goto redraw; - } else if (eventPtr->type == ConfigureNotify) { - /* - * Must redraw after size changes, since layout could have changed and - * borders will need to be redrawn. - */ - - goto redraw; - } else if (eventPtr->type == DestroyNotify) { - DestroyButton(butPtr); - } else if (eventPtr->type == FocusIn) { - if (eventPtr->xfocus.detail != NotifyInferior) { - butPtr->flags |= GOT_FOCUS; - if (butPtr->highlightWidth > 0) { - goto redraw; - } - } - } else if (eventPtr->type == FocusOut) { - if (eventPtr->xfocus.detail != NotifyInferior) { - butPtr->flags &= ~GOT_FOCUS; - if (butPtr->highlightWidth > 0) { - goto redraw; - } - } - } - return; - - redraw: - if ((butPtr->tkwin != NULL) && !(butPtr->flags & REDRAW_PENDING)) { - Tcl_DoWhenIdle(TkpDisplayButton, butPtr); - butPtr->flags |= REDRAW_PENDING; - } -} - -/* - *---------------------------------------------------------------------- - * - * ButtonCmdDeletedProc -- - * - * This function is invoked when a widget command is deleted. If the - * widget isn't already in the process of being destroyed, this command - * destroys it. - * - * Results: - * None. - * - * Side effects: - * The widget is destroyed. - * - *---------------------------------------------------------------------- - */ - -static void -ButtonCmdDeletedProc( - ClientData clientData) /* Pointer to widget record for widget. */ -{ - TkButton *butPtr = clientData; - - /* - * This function could be invoked either because the window was destroyed - * and the command was then deleted or because the command was deleted, - * and then this function destroys the widget. The BUTTON_DELETED flag - * distinguishes these cases. - */ - - if (!(butPtr->flags & BUTTON_DELETED)) { - Tk_DestroyWindow(butPtr->tkwin); - } -} - -/* - *---------------------------------------------------------------------- - * - * TkInvokeButton -- - * - * This function is called to carry out the actions associated with a - * button, such as invoking a Tcl command or setting a variable. This - * function is invoked, for example, when the button is invoked via the - * mouse. - * - * Results: - * A standard Tcl return value. Information is also left in the interp's - * result. - * - * Side effects: - * Depends on the button and its associated command. - * - *---------------------------------------------------------------------- - */ - -int -TkInvokeButton( - TkButton *butPtr) /* Information about button. */ -{ - Tcl_Obj *namePtr = butPtr->selVarNamePtr; - - if (butPtr->type == TYPE_CHECK_BUTTON) { - if (butPtr->flags & SELECTED) { - if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL, - butPtr->offValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - return TCL_ERROR; - } - } else { - if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL, - butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - return TCL_ERROR; - } - } - } else if (butPtr->type == TYPE_RADIO_BUTTON) { - if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL, butPtr->onValuePtr, - TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) - == NULL) { - return TCL_ERROR; - } - } - if ((butPtr->type != TYPE_LABEL) && (butPtr->commandPtr != NULL)) { - return Tcl_EvalObjEx(butPtr->interp, butPtr->commandPtr, - TCL_EVAL_GLOBAL); - } - return TCL_OK; -} - -/* - *-------------------------------------------------------------- - * - * ButtonVarProc -- - * - * This function is invoked when someone changes the state variable - * associated with a radio button. Depending on the new value of the - * button's variable, the button may be selected or deselected. - * - * Results: - * NULL is always returned. - * - * Side effects: - * The button may become selected or deselected. - * - *-------------------------------------------------------------- - */ - - /* ARGSUSED */ -static char * -ButtonVarProc( - ClientData clientData, /* Information about button. */ - Tcl_Interp *interp, /* Interpreter containing variable. */ - const char *name1, /* Name of variable. */ - const char *name2, /* Second part of variable name. */ - int flags) /* Information about what happened. */ -{ - register TkButton *butPtr = clientData; - const char *value; - Tcl_Obj *valuePtr; - - /* - * If the variable is being unset, then just re-establish the trace unless - * the whole interpreter is going away. - */ - - if (flags & TCL_TRACE_UNSETS) { - butPtr->flags &= ~(SELECTED | TRISTATED); - if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) { - Tcl_TraceVar2(interp, Tcl_GetString(butPtr->selVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonVarProc, clientData); - } - goto redisplay; - } - - /* - * Use the value of the variable to update the selected status of the - * button. - */ - - valuePtr = Tcl_ObjGetVar2(interp, butPtr->selVarNamePtr, NULL, - TCL_GLOBAL_ONLY); - if (valuePtr == NULL) { - value = Tcl_GetString(butPtr->tristateValuePtr); - } else { - value = Tcl_GetString(valuePtr); - } - if (strcmp(value, Tcl_GetString(butPtr->onValuePtr)) == 0) { - if (butPtr->flags & SELECTED) { - return NULL; - } - butPtr->flags |= SELECTED; - butPtr->flags &= ~TRISTATED; - } else if (butPtr->offValuePtr - && strcmp(value, Tcl_GetString(butPtr->offValuePtr)) == 0) { - if (!(butPtr->flags & (SELECTED | TRISTATED))) { - return NULL; - } - butPtr->flags &= ~(SELECTED | TRISTATED); - } else if (strcmp(value, Tcl_GetString(butPtr->tristateValuePtr)) == 0) { - if (butPtr->flags & TRISTATED) { - return NULL; - } - butPtr->flags |= TRISTATED; - butPtr->flags &= ~SELECTED; - } else if (butPtr->flags & (SELECTED | TRISTATED)) { - butPtr->flags &= ~(SELECTED | TRISTATED); - } else { - return NULL; - } - - redisplay: - if ((butPtr->tkwin != NULL) && Tk_IsMapped(butPtr->tkwin) - && !(butPtr->flags & REDRAW_PENDING)) { - Tcl_DoWhenIdle(TkpDisplayButton, butPtr); - butPtr->flags |= REDRAW_PENDING; - } - return NULL; -} - -/* - *-------------------------------------------------------------- - * - * ButtonTextVarProc -- - * - * This function is invoked when someone changes the variable whose - * contents are to be displayed in a button. - * - * Results: - * NULL is always returned. - * - * Side effects: - * The text displayed in the button will change to match the variable. - * - *-------------------------------------------------------------- - */ - - /* ARGSUSED */ -static char * -ButtonTextVarProc( - ClientData clientData, /* Information about button. */ - Tcl_Interp *interp, /* Interpreter containing variable. */ - const char *name1, /* Not used. */ - const char *name2, /* Not used. */ - int flags) /* Information about what happened. */ -{ - TkButton *butPtr = clientData; - Tcl_Obj *valuePtr; - - if (butPtr->flags & BUTTON_DELETED) { - return NULL; - } - - /* - * If the variable is unset, then immediately recreate it unless the whole - * interpreter is going away. - */ - - if (flags & TCL_TRACE_UNSETS) { - if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) { - Tcl_ObjSetVar2(interp, butPtr->textVarNamePtr, NULL, - butPtr->textPtr, TCL_GLOBAL_ONLY); - Tcl_TraceVar2(interp, Tcl_GetString(butPtr->textVarNamePtr), - NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - ButtonTextVarProc, clientData); - } - return NULL; - } - - valuePtr = Tcl_ObjGetVar2(interp, butPtr->textVarNamePtr, NULL, - TCL_GLOBAL_ONLY); - if (valuePtr == NULL) { - valuePtr = Tcl_NewObj(); - } - Tcl_DecrRefCount(butPtr->textPtr); - butPtr->textPtr = valuePtr; - Tcl_IncrRefCount(butPtr->textPtr); - TkpComputeButtonGeometry(butPtr); - - if ((butPtr->tkwin != NULL) && Tk_IsMapped(butPtr->tkwin) - && !(butPtr->flags & REDRAW_PENDING)) { - Tcl_DoWhenIdle(TkpDisplayButton, butPtr); - butPtr->flags |= REDRAW_PENDING; - } - return NULL; -} - -/* - *---------------------------------------------------------------------- - * - * ButtonImageProc -- - * - * This function is invoked by the image code whenever the manager for an - * image does something that affects the size or contents of an image - * displayed in a button. - * - * Results: - * None. - * - * Side effects: - * Arranges for the button to get redisplayed. - * - *---------------------------------------------------------------------- - */ - -static void -ButtonImageProc( - ClientData clientData, /* Pointer to widget record. */ - int x, int y, /* Upper left pixel (within image) that must - * be redisplayed. */ - int width, int height, /* Dimensions of area to redisplay (might be - * <= 0). */ - int imgWidth, int imgHeight)/* New dimensions of image. */ -{ - register TkButton *butPtr = clientData; - - if (butPtr->tkwin != NULL) { - TkpComputeButtonGeometry(butPtr); - if (Tk_IsMapped(butPtr->tkwin) && !(butPtr->flags & REDRAW_PENDING)) { - Tcl_DoWhenIdle(TkpDisplayButton, butPtr); - butPtr->flags |= REDRAW_PENDING; - } - } -} - -/* - *---------------------------------------------------------------------- - * - * ButtonSelectImageProc -- - * - * This function is invoked by the image code whenever the manager for an - * image does something that affects the size or contents of the image - * displayed in a button when it is selected. - * - * Results: - * None. - * - * Side effects: - * May arrange for the button to get redisplayed. - * - *---------------------------------------------------------------------- - */ - -static void -ButtonSelectImageProc( - ClientData clientData, /* Pointer to widget record. */ - int x, int y, /* Upper left pixel (within image) that must - * be redisplayed. */ - int width, int height, /* Dimensions of area to redisplay (might be - * <= 0). */ - int imgWidth, int imgHeight)/* New dimensions of image. */ -{ - register TkButton *butPtr = clientData; - -#ifdef MAC_OSX_TK - if (butPtr->tkwin != NULL) { - TkpComputeButtonGeometry(butPtr); - } -#else - /* - * Don't recompute geometry: it's controlled by the primary image. - */ -#endif - - if ((butPtr->flags & SELECTED) && (butPtr->tkwin != NULL) - && Tk_IsMapped(butPtr->tkwin) - && !(butPtr->flags & REDRAW_PENDING)) { - Tcl_DoWhenIdle(TkpDisplayButton, butPtr); - butPtr->flags |= REDRAW_PENDING; - } -} - -/* - *---------------------------------------------------------------------- - * - * ButtonTristateImageProc -- - * - * This function is invoked by the image code whenever the manager for an - * image does something that affects the size or contents of the image - * displayed in a button when it is selected. - * - * Results: - * None. - * - * Side effects: - * May arrange for the button to get redisplayed. - * - *---------------------------------------------------------------------- - */ - -static void -ButtonTristateImageProc( - ClientData clientData, /* Pointer to widget record. */ - int x, int y, /* Upper left pixel (within image) that must - * be redisplayed. */ - int width, int height, /* Dimensions of area to redisplay (might be - * <= 0). */ - int imgWidth, int imgHeight)/* New dimensions of image. */ -{ - register TkButton *butPtr = clientData; - -#ifdef MAC_OSX_TK - if (butPtr->tkwin != NULL) { - TkpComputeButtonGeometry(butPtr); - } -#else - /* - * Don't recompute geometry: it's controlled by the primary image. - */ -#endif - - if ((butPtr->flags & TRISTATED) && (butPtr->tkwin != NULL) - && Tk_IsMapped(butPtr->tkwin) - && !(butPtr->flags & REDRAW_PENDING)) { - Tcl_DoWhenIdle(TkpDisplayButton, butPtr); - butPtr->flags |= REDRAW_PENDING; - } -} - -/* - * Local Variables: - * mode: c - * c-basic-offset: 4 - * fill-column: 78 - * End: - */ |