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Changes In Branch bug-2858503fff Excluding Merge-Ins

This is equivalent to a diff from fa915533 to 2e610c43

2019-05-26
18:38
Merge implementation of TIP #541 following positive vote by the TCT. check-in: ab1ef117 user: fvogel tags: core-8-6-branch
2019-05-05
19:51
Fix [1ff193f1e3]: improve documentation for ttk::scrollbar check-in: 623d8a97 user: fvogel tags: core-8-6-branch
2019-05-03
20:48
Fix [2858503fff]: 'end' index for ttk::combobox current Closed-Leaf check-in: 2e610c43 user: fvogel tags: bug-2858503fff, tip-541
19:52
Fix class name in ttk::scale man page (this copy/paste error was introduced in [d0576d63ff]) check-in: da16e95d user: fvogel tags: trunk
19:51
Fix class name in ttk::scale man page (this copy/paste error was introduced in [d0576d63ff]) check-in: fa915533 user: fvogel tags: core-8-6-branch
2019-04-30
17:28
Fix [4f9a99e20b]: crash when specifying wrong -syssize option in ttk::style element create ... vsapi check-in: a9542402 user: fvogel tags: core-8-6-branch

Changes to doc/ttk_combobox.n.
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'\".TP
'\"\fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR?
'\"Modify or query widget options.
'\"See \fIttk::widget(n)\fR.
.TP
\fIpathName \fBcurrent\fR ?\fInewIndex\fR?
If \fInewIndex\fR is supplied, sets the combobox value
to the element at position \fInewIndex\fR in the list of \fB\-values\fR.


Otherwise, returns the index of the current value in the list of
\fB\-values\fR or \fB\-1\fR if the current value does not appear in the list.
.TP
\fIpathName \fBget\fR
Returns the current value of the combobox.
'\".TP
'\"\fIpathName \fBidentify \fIx y\fR








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'\".TP
'\"\fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR?
'\"Modify or query widget options.
'\"See \fIttk::widget(n)\fR.
.TP
\fIpathName \fBcurrent\fR ?\fInewIndex\fR?
If \fInewIndex\fR is supplied, sets the combobox value
to the element at position \fInewIndex\fR in the list of \fB\-values\fR
(in addition to integers, the \fBend\fR index is supported and indicates
the last element of the list).
Otherwise, returns the index of the current value in the list of
\fB\-values\fR or \fB\-1\fR if the current value does not appear in the list.
.TP
\fIpathName \fBget\fR
Returns the current value of the combobox.
'\".TP
'\"\fIpathName \fBidentify \fIx y\fR
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Changes to generic/ttk/ttkEntry.c.
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    EntryConfigure,		/* configureProc */
    EntryPostConfigure,  	/* postConfigureProc */
    TtkWidgetGetLayout, 	/* getLayoutProc */
    TtkWidgetSize, 		/* sizeProc */
    EntryDoLayout,		/* layoutProc */
    EntryDisplay		/* displayProc */
};











/*------------------------------------------------------------------------
 * +++ Combobox widget record.
 */

typedef struct {
    Tcl_Obj	*postCommandObj;








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    EntryConfigure,		/* configureProc */
    EntryPostConfigure,  	/* postConfigureProc */
    TtkWidgetGetLayout, 	/* getLayoutProc */
    TtkWidgetSize, 		/* sizeProc */
    EntryDoLayout,		/* layoutProc */
    EntryDisplay		/* displayProc */
};

/*------------------------------------------------------------------------
 * Named indices for the combobox "current" command
 */
static const char *const comboboxCurrentIndexNames[] = {
    "end", NULL
};
enum comboboxCurrentIndices {
    INDEX_END
};

/*------------------------------------------------------------------------
 * +++ Combobox widget record.
 */

typedef struct {
    Tcl_Obj	*postCommandObj;
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		currentIndex = -1;
	    }
	}
	cbPtr->combobox.currentIndex = currentIndex;
	Tcl_SetObjResult(interp, Tcl_NewIntObj(currentIndex));
	return TCL_OK;
    } else if (objc == 3) {






















	if (Tcl_GetIntFromObj(interp, objv[2], &currentIndex) != TCL_OK) {



	    return TCL_ERROR;
	}

	if (currentIndex < 0 || currentIndex >= nValues) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "Index %s out of range", Tcl_GetString(objv[2])));
	    Tcl_SetErrorCode(interp, "TTK", "COMBOBOX", "IDX_RANGE", NULL);
	    return TCL_ERROR;
	}


	cbPtr->combobox.currentIndex = currentIndex;

	return EntrySetValue(recordPtr, Tcl_GetString(values[currentIndex]));
    } else {
	Tcl_WrongNumArgs(interp, 2, objv, "?newIndex?");
	return TCL_ERROR;








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		currentIndex = -1;
	    }
	}
	cbPtr->combobox.currentIndex = currentIndex;
	Tcl_SetObjResult(interp, Tcl_NewIntObj(currentIndex));
	return TCL_OK;
    } else if (objc == 3) {
        int result, index;

        result = Tcl_GetIndexFromObj(NULL, objv[2], comboboxCurrentIndexNames,
                "", 0, &index);
        if (result == TCL_OK) {

            /*
             * The index is one of the named indices.
             */

	    switch (index) {
	    case INDEX_END:
	        /* "end" index */
                currentIndex = nValues - 1;
                break;
	    }
        } else {

            /*
             * The index should be just an integer.
             */

	    if (Tcl_GetIntFromObj(NULL, objv[2], &currentIndex) != TCL_OK) {
	        Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		        "Incorrect index %s", Tcl_GetString(objv[2])));
	        Tcl_SetErrorCode(interp, "TTK", "COMBOBOX", "IDX_VALUE", NULL);
	        return TCL_ERROR;
	    }

	    if (currentIndex < 0 || currentIndex >= nValues) {
	        Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		        "Index %s out of range", Tcl_GetString(objv[2])));
	        Tcl_SetErrorCode(interp, "TTK", "COMBOBOX", "IDX_RANGE", NULL);
	        return TCL_ERROR;
	    }
        }

	cbPtr->combobox.currentIndex = currentIndex;

	return EntrySetValue(recordPtr, Tcl_GetString(values[currentIndex]));
    } else {
	Tcl_WrongNumArgs(interp, 2, objv, "?newIndex?");
	return TCL_ERROR;
︙︙
Changes to tests/ttk/combobox.test.
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} -result 1

test combobox-2.4 "current -- value not in list" -body { 
    .cb set "z"
    .cb current
} -result -1












test combobox-2.end "Cleanup" -body { destroy .cb }

test combobox-3 "Read postoffset value dynamically from current style" -body {
    ttk::combobox .cb -values [list a b c] -style "DerivedStyle.TCombobox"
    pack .cb -expand true -fill both 
    ttk::style configure DerivedStyle.TCombobox -postoffset [list 25 0 0 0]
    ttk::combobox::Post .cb








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} -result 1

test combobox-2.4 "current -- value not in list" -body { 
    .cb set "z"
    .cb current
} -result -1

test combobox-2.5 "current -- set to end index" -body { 
    .cb configure -values [list a b c d e thelastone]
    .cb current end
    .cb get
} -result thelastone

test combobox-2.6 "current -- set to unknown index" -body { 
    .cb configure -values [list a b c d e]
    .cb current notanindex
} -returnCodes error -result {Incorrect index notanindex}

test combobox-2.end "Cleanup" -body { destroy .cb }

test combobox-3 "Read postoffset value dynamically from current style" -body {
    ttk::combobox .cb -values [list a b c] -style "DerivedStyle.TCombobox"
    pack .cb -expand true -fill both 
    ttk::style configure DerivedStyle.TCombobox -postoffset [list 25 0 0 0]
    ttk::combobox::Post .cb
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