1 files changed, 52 insertions, 44 deletions

diff --git a/generic/tkMenubutton.c b/generic/tkMenubutton.c
index 94ac8b2..31dbfbb 100644
--- a/generic/tkMenubutton.c
+++ b/generic/tkMenubutton.c
@@ -16,6 +16,18 @@
 #include "default.h"
 
 /*
+ * The structure below defines menubutton class behavior by means of
+ * procedures that can be invoked from generic window code.
+ */
+
+static const Tk_ClassProcs menubuttonClass = {
+    sizeof(Tk_ClassProcs),	/* size */
+    TkMenuButtonWorldChanged,	/* worldChangedProc */
+    NULL,					/* createProc */
+    NULL					/* modalProc */
+};
+
+/*
  * The following table defines the legal values for the -direction option. It
  * is used together with the "enum direction" declaration in tkMenubutton.h.
  */
@@ -54,13 +66,13 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
 	DEF_MENUBUTTON_ACTIVE_FG_COLOR, -1,
 	 Tk_Offset(TkMenuButton, activeFg),
-	 0, (ClientData) DEF_MENUBUTTON_ACTIVE_FG_MONO, 0},
+	 0, DEF_MENUBUTTON_ACTIVE_FG_MONO, 0},
     {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
 	DEF_MENUBUTTON_ANCHOR, -1,
 	Tk_Offset(TkMenuButton, anchor), 0, 0, 0},
     {TK_OPTION_BORDER, "-background", "background", "Background",
 	DEF_MENUBUTTON_BG_COLOR, -1, Tk_Offset(TkMenuButton, normalBorder),
-	0, (ClientData) DEF_MENUBUTTON_BG_MONO, 0},
+	0, DEF_MENUBUTTON_BG_MONO, 0},
     {TK_OPTION_SYNONYM, "-bd", NULL, NULL, NULL, 0, -1, 0,
 	(ClientData) "-borderwidth", 0},
     {TK_OPTION_SYNONYM, "-bg", NULL, NULL, NULL, 0, -1, 0,
@@ -76,7 +88,7 @@ static const Tk_OptionSpec optionSpecs[] = {
 	TK_OPTION_NULL_OK, 0, 0},
     {TK_OPTION_STRING_TABLE, "-direction", "direction", "Direction",
 	DEF_MENUBUTTON_DIRECTION, -1, Tk_Offset(TkMenuButton, direction),
-	0, (ClientData) directionStrings, 0},
+	0, directionStrings, 0},
     {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
 	"DisabledForeground", DEF_MENUBUTTON_DISABLED_FG_COLOR,
 	-1, Tk_Offset(TkMenuButton, disabledFg), TK_OPTION_NULL_OK,
@@ -121,10 +133,10 @@ static const Tk_OptionSpec optionSpecs[] = {
 	0, 0, 0},
     {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
 	 DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkMenuButton, compound), 0,
-	 (ClientData) compoundStrings, 0},
+	 compoundStrings, 0},
     {TK_OPTION_STRING_TABLE, "-state", "state", "State",
 	DEF_MENUBUTTON_STATE, -1, Tk_Offset(TkMenuButton, state),
-	0, (ClientData) stateStrings, 0},
+	0, stateStrings, 0},
     {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
 	DEF_MENUBUTTON_TAKE_FOCUS, -1,
 	Tk_Offset(TkMenuButton, takeFocus), TK_OPTION_NULL_OK, 0, 0},
@@ -142,7 +154,7 @@ static const Tk_OptionSpec optionSpecs[] = {
     {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
 	DEF_MENUBUTTON_WRAP_LENGTH, -1, Tk_Offset(TkMenuButton, wrapLength),
 	0, 0, 0},
-    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0}
+    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, NULL, 0}
 };
 
 /*
@@ -151,7 +163,7 @@ static const Tk_OptionSpec optionSpecs[] = {
  * dispatch the scale widget command.
  */
 
-static const char *commandNames[] = {
+static const char *const commandNames[] = {
     "cget", "configure", NULL
 };
 
@@ -210,7 +222,7 @@ Tk_MenubuttonObjCmd(
     Tk_Window tkwin;
 
     if (objc < 2) {
-	Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?");
+	Tcl_WrongNumArgs(interp, 1, objv, "pathName ?-option value ...?");
 	return TCL_ERROR;
     }
 
@@ -234,18 +246,18 @@ Tk_MenubuttonObjCmd(
     Tk_SetClass(tkwin, "Menubutton");
     mbPtr = TkpCreateMenuButton(tkwin);
 
-    Tk_SetClassProcs(tkwin, &tkpMenubuttonClass, (ClientData) mbPtr);
+    Tk_SetClassProcs(tkwin, &menubuttonClass, mbPtr);
 
     /*
      * Initialize the data structure for the button.
      */
 
     mbPtr->tkwin = tkwin;
-    mbPtr->display = Tk_Display (tkwin);
+    mbPtr->display = Tk_Display(tkwin);
     mbPtr->interp = interp;
     mbPtr->widgetCmd = Tcl_CreateObjCommand(interp,
-	    Tk_PathName(mbPtr->tkwin), MenuButtonWidgetObjCmd,
-	    (ClientData) mbPtr, MenuButtonCmdDeletedProc);
+	    Tk_PathName(mbPtr->tkwin), MenuButtonWidgetObjCmd, mbPtr,
+	    MenuButtonCmdDeletedProc);
     mbPtr->optionTable = optionTable;
     mbPtr->menuName = NULL;
     mbPtr->text = NULL;
@@ -294,7 +306,7 @@ Tk_MenubuttonObjCmd(
 
     Tk_CreateEventHandler(mbPtr->tkwin,
 	    ExposureMask|StructureNotifyMask|FocusChangeMask,
-	    MenuButtonEventProc, (ClientData) mbPtr);
+	    MenuButtonEventProc, mbPtr);
 
     if (Tk_InitOptions(interp, (char *) mbPtr, optionTable, tkwin) != TCL_OK) {
 	Tk_DestroyWindow(mbPtr->tkwin);
@@ -306,7 +318,7 @@ Tk_MenubuttonObjCmd(
 	return TCL_ERROR;
     }
 
-    Tcl_SetStringObj(Tcl_GetObjResult(interp), Tk_PathName(mbPtr->tkwin), -1);
+    Tcl_SetObjResult(interp, TkNewWindowObj(mbPtr->tkwin));
     return TCL_OK;
 }
 
@@ -335,12 +347,12 @@ MenuButtonWidgetObjCmd(
     int objc,			/* Number of arguments. */
     Tcl_Obj *const objv[])	/* Argument objects. */
 {
-    register TkMenuButton *mbPtr = (TkMenuButton *) clientData;
+    register TkMenuButton *mbPtr = clientData;
     int result, index;
     Tcl_Obj *objPtr;
 
     if (objc < 2) {
-	Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?");
+	Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
 	return TCL_ERROR;
     }
     result = Tcl_GetIndexFromObj(interp, objv[1], commandNames, "option", 0,
@@ -348,7 +360,7 @@ MenuButtonWidgetObjCmd(
     if (result != TCL_OK) {
 	return result;
     }
-    Tcl_Preserve((ClientData) mbPtr);
+    Tcl_Preserve(mbPtr);
 
     switch (index) {
     case COMMAND_CGET:
@@ -361,9 +373,8 @@ MenuButtonWidgetObjCmd(
 		mbPtr->optionTable, objv[2], mbPtr->tkwin);
 	if (objPtr == NULL) {
 	    goto error;
-	} else {
-	    Tcl_SetObjResult(interp, objPtr);
 	}
+	Tcl_SetObjResult(interp, objPtr);
 	break;
 
     case COMMAND_CONFIGURE:
@@ -373,19 +384,18 @@ MenuButtonWidgetObjCmd(
 		    mbPtr->tkwin);
 	    if (objPtr == NULL) {
 		goto error;
-	    } else {
-		Tcl_SetObjResult(interp, objPtr);
 	    }
+	    Tcl_SetObjResult(interp, objPtr);
 	} else {
 	    result = ConfigureMenuButton(interp, mbPtr, objc-2, objv+2);
 	}
 	break;
     }
-    Tcl_Release((ClientData) mbPtr);
+    Tcl_Release(mbPtr);
     return result;
 
   error:
-    Tcl_Release((ClientData) mbPtr);
+    Tcl_Release(mbPtr);
     return TCL_ERROR;
 }
 
@@ -416,7 +426,7 @@ DestroyMenuButton(
     TkpDestroyMenuButton(mbPtr);
 
     if (mbPtr->flags & REDRAW_PENDING) {
-	Tcl_CancelIdleCall(TkpDisplayMenuButton, (ClientData) mbPtr);
+	Tcl_CancelIdleCall(TkpDisplayMenuButton, mbPtr);
     }
 
     /*
@@ -428,7 +438,7 @@ DestroyMenuButton(
     if (mbPtr->textVarName != NULL) {
 	Tcl_UntraceVar(mbPtr->interp, mbPtr->textVarName,
 		TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
-		MenuButtonTextVarProc, (ClientData) mbPtr);
+		MenuButtonTextVarProc, mbPtr);
     }
     if (mbPtr->image != NULL) {
 	Tk_FreeImage(mbPtr->image);
@@ -453,7 +463,7 @@ DestroyMenuButton(
     }
     Tk_FreeConfigOptions((char *) mbPtr, mbPtr->optionTable, mbPtr->tkwin);
     mbPtr->tkwin = NULL;
-    Tcl_EventuallyFree((ClientData) mbPtr, TCL_DYNAMIC);
+    Tcl_EventuallyFree(mbPtr, TCL_DYNAMIC);
 }
 
 /*
@@ -498,7 +508,7 @@ ConfigureMenuButton(
     if (mbPtr->textVarName != NULL) {
 	Tcl_UntraceVar(interp, mbPtr->textVarName,
 		TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
-		MenuButtonTextVarProc, (ClientData) mbPtr);
+		MenuButtonTextVarProc, mbPtr);
     }
 
     /*
@@ -561,8 +571,7 @@ ConfigureMenuButton(
 
 	if (mbPtr->imageString != NULL) {
 	    image = Tk_GetImage(mbPtr->interp, mbPtr->tkwin,
-		    mbPtr->imageString, MenuButtonImageProc,
-		    (ClientData) mbPtr);
+		    mbPtr->imageString, MenuButtonImageProc, mbPtr);
 	    if (image == NULL) {
 		return TCL_ERROR;
 	    }
@@ -624,15 +633,15 @@ ConfigureMenuButton(
 	    if (mbPtr->text != NULL) {
 		ckfree(mbPtr->text);
 	    }
-	    mbPtr->text = (char *) ckalloc((unsigned) (strlen(value) + 1));
+	    mbPtr->text = ckalloc(strlen(value) + 1);
 	    strcpy(mbPtr->text, value);
 	}
 	Tcl_TraceVar(interp, mbPtr->textVarName,
 		TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
-		MenuButtonTextVarProc, (ClientData) mbPtr);
+		MenuButtonTextVarProc, mbPtr);
     }
 
-    TkMenuButtonWorldChanged((ClientData) mbPtr);
+    TkMenuButtonWorldChanged(mbPtr);
     if (error) {
 	Tcl_SetObjResult(interp, errorResult);
 	Tcl_DecrRefCount(errorResult);
@@ -666,9 +675,7 @@ TkMenuButtonWorldChanged(
     XGCValues gcValues;
     GC gc;
     unsigned long mask;
-    TkMenuButton *mbPtr;
-
-    mbPtr = (TkMenuButton *) instanceData;
+    TkMenuButton *mbPtr = instanceData;
 
     gcValues.font = Tk_FontId(mbPtr->tkfont);
     gcValues.foreground = mbPtr->normalFg->pixel;
@@ -741,7 +748,7 @@ TkMenuButtonWorldChanged(
      */
 
     if (Tk_IsMapped(mbPtr->tkwin) && !(mbPtr->flags & REDRAW_PENDING)) {
-	Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
+	Tcl_DoWhenIdle(TkpDisplayMenuButton, mbPtr);
 	mbPtr->flags |= REDRAW_PENDING;
     }
 }
@@ -769,7 +776,8 @@ MenuButtonEventProc(
     ClientData clientData,	/* Information about window. */
     XEvent *eventPtr)		/* Information about event. */
 {
-    TkMenuButton *mbPtr = (TkMenuButton *) clientData;
+    TkMenuButton *mbPtr = clientData;
+
     if ((eventPtr->type == Expose) && (eventPtr->xexpose.count == 0)) {
 	goto redraw;
     } else if (eventPtr->type == ConfigureNotify) {
@@ -800,7 +808,7 @@ MenuButtonEventProc(
 
   redraw:
     if ((mbPtr->tkwin != NULL) && !(mbPtr->flags & REDRAW_PENDING)) {
-	Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
+	Tcl_DoWhenIdle(TkpDisplayMenuButton, mbPtr);
 	mbPtr->flags |= REDRAW_PENDING;
     }
 }
@@ -827,7 +835,7 @@ static void
 MenuButtonCmdDeletedProc(
     ClientData clientData)	/* Pointer to widget record for widget. */
 {
-    TkMenuButton *mbPtr = (TkMenuButton *) clientData;
+    TkMenuButton *mbPtr = clientData;
     Tk_Window tkwin = mbPtr->tkwin;
 
     /*
@@ -869,7 +877,7 @@ MenuButtonTextVarProc(
     const char *name2,		/* Second part of variable name. */
     int flags)			/* Information about what happened. */
 {
-    register TkMenuButton *mbPtr = (TkMenuButton *) clientData;
+    register TkMenuButton *mbPtr = clientData;
     const char *value;
     unsigned len;
 
@@ -897,13 +905,13 @@ MenuButtonTextVarProc(
 	ckfree(mbPtr->text);
     }
     len = 1 + (unsigned) strlen(value);
-    mbPtr->text = (char *) ckalloc(len);
+    mbPtr->text = ckalloc(len);
     memcpy(mbPtr->text, value, len);
     TkpComputeMenuButtonGeometry(mbPtr);
 
     if ((mbPtr->tkwin != NULL) && Tk_IsMapped(mbPtr->tkwin)
 	    && !(mbPtr->flags & REDRAW_PENDING)) {
-	Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
+	Tcl_DoWhenIdle(TkpDisplayMenuButton, mbPtr);
 	mbPtr->flags |= REDRAW_PENDING;
     }
     return NULL;
@@ -936,12 +944,12 @@ MenuButtonImageProc(
 				 * 0). */
     int imgWidth, int imgHeight)/* New dimensions of image. */
 {
-    register TkMenuButton *mbPtr = (TkMenuButton *) clientData;
+    register TkMenuButton *mbPtr = clientData;
 
     if (mbPtr->tkwin != NULL) {
 	TkpComputeMenuButtonGeometry(mbPtr);
 	if (Tk_IsMapped(mbPtr->tkwin) && !(mbPtr->flags & REDRAW_PENDING)) {
-	    Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
+	    Tcl_DoWhenIdle(TkpDisplayMenuButton, mbPtr);
 	    mbPtr->flags |= REDRAW_PENDING;
 	}
     }