Tk Source Code

Check-in [c1620a30]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:[.text pendingsync] returns a boolean
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | tip-438
Files: files | file ages | folders
SHA1: c1620a3030fca39c67871b9fafefe370957e7e90
User & Date: fvogel 2015-11-28 19:45:01
Context
2015-11-28
21:38
Text widget documentation updated according to TIP #438 check-in: 1e6f4294 user: fvogel tags: tip-438
19:45
[.text pendingsync] returns a boolean check-in: c1620a30 user: fvogel tags: tip-438
2015-11-22
20:59
Merged core-8-5-branch check-in: 04fc47f2 user: fvogel tags: tip-438
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to generic/tkText.c.

1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385

1386
1387
1388
1389
1390
1391
1392
    case TEXT_MARK:
	result = TkTextMarkCmd(textPtr, interp, objc, objv);
	break;
    case TEXT_PEER:
	result = TextPeerCmd(textPtr, interp, objc, objv);
	break;
    case TEXT_PENDINGSYNC: {
        int number;

        if (objc != 2) {
            Tcl_WrongNumArgs(interp, 2, objv, NULL);
            result = TCL_ERROR;
            goto done;
        }
        number = TkTextPendingsync(textPtr);
        Tcl_SetObjResult(interp, Tcl_NewIntObj(number));

        break;
    }
    case TEXT_REPLACE: {
	const TkTextIndex *indexFromPtr, *indexToPtr;

	if (objc < 5) {
	    Tcl_WrongNumArgs(interp, 2, objv,







<
<





<
|
>







1370
1371
1372
1373
1374
1375
1376


1377
1378
1379
1380
1381

1382
1383
1384
1385
1386
1387
1388
1389
1390
    case TEXT_MARK:
	result = TkTextMarkCmd(textPtr, interp, objc, objv);
	break;
    case TEXT_PEER:
	result = TextPeerCmd(textPtr, interp, objc, objv);
	break;
    case TEXT_PENDINGSYNC: {


        if (objc != 2) {
            Tcl_WrongNumArgs(interp, 2, objv, NULL);
            result = TCL_ERROR;
            goto done;
        }

        Tcl_SetObjResult(interp,
                Tcl_NewBooleanObj(TkTextPendingsync(textPtr)));
        break;
    }
    case TEXT_REPLACE: {
	const TkTextIndex *indexFromPtr, *indexToPtr;

	if (objc < 5) {
	    Tcl_WrongNumArgs(interp, 2, objv,

Changes to generic/tkText.h.

1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
MODULE_SCOPE int	TkTextMarkCmd(TkText *textPtr, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int	TkTextMarkNameToIndex(TkText *textPtr,
			    const char *name, TkTextIndex *indexPtr);
MODULE_SCOPE void	TkTextMarkSegToIndex(TkText *textPtr,
			    TkTextSegment *markPtr, TkTextIndex *indexPtr);
MODULE_SCOPE void	TkTextEventuallyRepick(TkText *textPtr);
MODULE_SCOPE int	TkTextPendingsync(TkText *textPtr);
MODULE_SCOPE void	TkTextPickCurrent(TkText *textPtr, XEvent *eventPtr);
MODULE_SCOPE void	TkTextPixelIndex(TkText *textPtr, int x, int y,
			    TkTextIndex *indexPtr, int *nearest);
MODULE_SCOPE int	TkTextPrintIndex(const TkText *textPtr,
			    const TkTextIndex *indexPtr, char *string);
MODULE_SCOPE Tcl_Obj *	TkTextNewIndexObj(TkText *textPtr,
			    const TkTextIndex *indexPtr);







|







1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
MODULE_SCOPE int	TkTextMarkCmd(TkText *textPtr, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int	TkTextMarkNameToIndex(TkText *textPtr,
			    const char *name, TkTextIndex *indexPtr);
MODULE_SCOPE void	TkTextMarkSegToIndex(TkText *textPtr,
			    TkTextSegment *markPtr, TkTextIndex *indexPtr);
MODULE_SCOPE void	TkTextEventuallyRepick(TkText *textPtr);
MODULE_SCOPE Bool	TkTextPendingsync(TkText *textPtr);
MODULE_SCOPE void	TkTextPickCurrent(TkText *textPtr, XEvent *eventPtr);
MODULE_SCOPE void	TkTextPixelIndex(TkText *textPtr, int x, int y,
			    TkTextIndex *indexPtr, int *nearest);
MODULE_SCOPE int	TkTextPrintIndex(const TkText *textPtr,
			    const TkTextIndex *indexPtr, char *string);
MODULE_SCOPE Tcl_Obj *	TkTextNewIndexObj(TkText *textPtr,
			    const TkTextIndex *indexPtr);

Changes to generic/tkTextDisp.c.

6097
6098
6099
6100
6101
6102
6103
6104
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115
6116
6117

6118
6119
6120
6121
6122

6123

6124
6125
6126
6127
6128
6129
6130
}

/*
 *--------------------------------------------------------------
 *
 * TkTextPendingsync --
 *
 *	This function computes how many lines are not up-to-date regarding
 *	asynchronous height calculations.
 *
 * Results:
 *	Returns a positive integer corresponding to the number of lines for
 *	which the height is outdated.
 *
 * Side effects:
 *	None.
 *
 *--------------------------------------------------------------
 */

int

TkTextPendingsync(
    TkText *textPtr)		/* Information about text widget. */
{
    TextDInfo *dInfoPtr = textPtr->dInfoPtr;


    return (dInfoPtr->lastMetricUpdateLine - dInfoPtr->currentMetricUpdateLine);

}

/*
 *--------------------------------------------------------------
 *
 * TkTextScanCmd --
 *







|
<


|
|







<
>





>
|
>







6097
6098
6099
6100
6101
6102
6103
6104

6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115

6116
6117
6118
6119
6120
6121
6122
6123
6124
6125
6126
6127
6128
6129
6130
6131
}

/*
 *--------------------------------------------------------------
 *
 * TkTextPendingsync --
 *
 *	This function checks if any line heights are not up-to-date.

 *
 * Results:
 *	Returns a boolean true if it is the case, or false if all line
 *      heights are up-to-date.
 *
 * Side effects:
 *	None.
 *
 *--------------------------------------------------------------
 */


Bool
TkTextPendingsync(
    TkText *textPtr)		/* Information about text widget. */
{
    TextDInfo *dInfoPtr = textPtr->dInfoPtr;

    return (
        (dInfoPtr->lastMetricUpdateLine - dInfoPtr->currentMetricUpdateLine) ?
        1 : 0);
}

/*
 *--------------------------------------------------------------
 *
 * TkTextScanCmd --
 *

Changes to tests/text.test.

1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
    while {[.top.yt pendingsync]} {update}
    .top.yt yview moveto 1
    set fraction1 [lindex [.top.yt yview] 0]
    set res [expr {$fraction1 > 0}]
    .top.yt delete 1.0 end
    .top.yt insert 1.0 $content
    # ensure the test is relevant
    lappend res [expr {[.top.yt pendingsync] > 0}]
    # asynchronously wait for completion of line metrics calculation
    while {[.top.yt pendingsync]} {update}
    .top.yt yview moveto $fraction1
    set fraction2 [lindex [.top.yt yview] 0]
    lappend res [expr {$fraction1 == $fraction2}]
} -cleanup {
    destroy .top.yt .top







|







1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
    while {[.top.yt pendingsync]} {update}
    .top.yt yview moveto 1
    set fraction1 [lindex [.top.yt yview] 0]
    set res [expr {$fraction1 > 0}]
    .top.yt delete 1.0 end
    .top.yt insert 1.0 $content
    # ensure the test is relevant
    lappend res [.top.yt pendingsync]
    # asynchronously wait for completion of line metrics calculation
    while {[.top.yt pendingsync]} {update}
    .top.yt yview moveto $fraction1
    set fraction2 [lindex [.top.yt yview] 0]
    lappend res [expr {$fraction1 == $fraction2}]
} -cleanup {
    destroy .top.yt .top