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-rw-r--r--generic/tkGrid.c123
1 files changed, 116 insertions, 7 deletions
diff --git a/generic/tkGrid.c b/generic/tkGrid.c
index aade17d..373567d 100644
--- a/generic/tkGrid.c
+++ b/generic/tkGrid.c
@@ -8,7 +8,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkGrid.c,v 1.25.2.4 2006/04/05 19:49:21 hobbs Exp $
+ * RCS: @(#) $Id: tkGrid.c,v 1.25.2.5 2006/04/12 17:35:21 dgp Exp $
*/
#include "tkInt.h"
@@ -289,6 +289,10 @@ static Tcl_Obj *NewQuadObj _ANSI_ARGS_((Tcl_Interp*, int, int, int, int));
static int ResolveConstraints _ANSI_ARGS_((Gridder *gridPtr,
int rowOrColumn, int maxOffset));
static void SetGridSize _ANSI_ARGS_((Gridder *gridPtr));
+static int SetSlaveColumn _ANSI_ARGS_((Tcl_Interp *interp,
+ Gridder *slavePtr, int column, int numCols));
+static int SetSlaveRow _ANSI_ARGS_((Tcl_Interp *interp,
+ Gridder *slavePtr, int row, int numRows));
static void StickyToString _ANSI_ARGS_((int flags, char *result));
static int StringToSticky _ANSI_ARGS_((char *string));
static void Unlink _ANSI_ARGS_((Gridder *gridPtr));
@@ -2185,6 +2189,86 @@ SetGridSize(masterPtr)
}
/*
+ *----------------------------------------------------------------------
+ *
+ * SetSlaveColumn --
+ *
+ * Update column data for a slave, checking that MAX_ELEMENT bound
+ * is not passed.
+ *
+ * Results:
+ * TCL_ERROR if out of bounds, TCL_OK otherwise
+ *
+ * Side effects:
+ * Slave fields are updated.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+SetSlaveColumn(
+ Tcl_Interp *interp, /* Interp for error message */
+ Gridder *slavePtr, /* Slave to be updated */
+ int column, /* New column or -1 to be unchanged */
+ int numCols) /* New columnspan or -1 to be unchanged */
+{
+ int newColumn, newNumCols, lastCol;
+
+ newColumn = (column >= 0) ? column : slavePtr->column;
+ newNumCols = (numCols >= 1) ? numCols : slavePtr->numCols;
+
+ lastCol = ((newColumn >= 0) ? newColumn : 0) + newNumCols;
+ if (lastCol >= MAX_ELEMENT) {
+ Tcl_SetResult(interp, "Column out of bounds", TCL_STATIC);
+ return TCL_ERROR;
+ }
+
+ slavePtr->column = newColumn;
+ slavePtr->numCols = newNumCols;
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * SetSlaveRow --
+ *
+ * Update row data for a slave, checking that MAX_ELEMENT bound
+ * is not passed.
+ *
+ * Results:
+ * TCL_ERROR if out of bounds, TCL_OK otherwise
+ *
+ * Side effects:
+ * Slave fields are updated.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+SetSlaveRow(
+ Tcl_Interp *interp, /* Interp for error message */
+ Gridder *slavePtr, /* Slave to be updated */
+ int row, /* New row or -1 to be unchanged */
+ int numRows) /* New rowspan or -1 to be unchanged */
+{
+ int newRow, newNumRows, lastRow;
+
+ newRow = (row >= 0) ? row : slavePtr->row;
+ newNumRows = (numRows >= 1) ? numRows : slavePtr->numRows;
+
+ lastRow = ((newRow >= 0) ? newRow : 0) + newNumRows;
+ if (lastRow >= MAX_ELEMENT) {
+ Tcl_SetResult(interp, "Row out of bounds", TCL_STATIC);
+ return TCL_ERROR;
+ }
+
+ slavePtr->row = newRow;
+ slavePtr->numRows = newNumRows;
+ return TCL_OK;
+}
+
+/*
*--------------------------------------------------------------
*
* CheckSlotData --
@@ -2669,7 +2753,9 @@ ConfigureSlaves(interp, tkwin, objc, objv)
"\": must be a non-negative integer", (char *)NULL);
return TCL_ERROR;
}
- slavePtr->column = tmp;
+ if (SetSlaveColumn(interp, slavePtr, tmp, -1) != TCL_OK) {
+ return TCL_ERROR;
+ }
} else if (index == CONF_COLUMNSPAN) {
if (Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK ||
tmp <= 0) {
@@ -2679,7 +2765,9 @@ ConfigureSlaves(interp, tkwin, objc, objv)
"\": must be a positive integer", (char *)NULL);
return TCL_ERROR;
}
- slavePtr->numCols = tmp;
+ if (SetSlaveColumn(interp, slavePtr, -1, tmp) != TCL_OK) {
+ return TCL_ERROR;
+ }
} else if (index == CONF_IN) {
if (TkGetWindowFromObj(interp, tkwin, objv[i+1], &other) !=
TCL_OK) {
@@ -2735,7 +2823,9 @@ ConfigureSlaves(interp, tkwin, objc, objv)
"\": must be a non-negative integer", (char *)NULL);
return TCL_ERROR;
}
- slavePtr->row = tmp;
+ if (SetSlaveRow(interp, slavePtr, tmp, -1) != TCL_OK) {
+ return TCL_ERROR;
+ }
} else if (index == CONF_ROWSPAN) {
if ((Tcl_GetIntFromObj(interp, objv[i+1], &tmp) != TCL_OK)
|| tmp <= 0) {
@@ -2746,6 +2836,9 @@ ConfigureSlaves(interp, tkwin, objc, objv)
return TCL_ERROR;
}
slavePtr->numRows = tmp;
+ if (SetSlaveRow(interp, slavePtr, -1, tmp) != TCL_OK) {
+ return TCL_ERROR;
+ }
} else if (index == CONF_STICKY) {
int sticky = StringToSticky(Tcl_GetString(objv[i+1]));
if (sticky == -1) {
@@ -2826,14 +2919,26 @@ ConfigureSlaves(interp, tkwin, objc, objv)
*/
if (slavePtr->column == -1) {
- slavePtr->column = defaultColumn;
+ if (SetSlaveColumn(interp, slavePtr, defaultColumn, -1) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ }
+ if (SetSlaveColumn(interp, slavePtr, -1,
+ slavePtr->numCols + defaultColumnSpan - 1) != TCL_OK) {
+ return TCL_ERROR;
}
- slavePtr->numCols += defaultColumnSpan - 1;
if (slavePtr->row == -1) {
if (masterPtr->masterDataPtr == NULL) {
+ if (SetSlaveRow(interp, slavePtr, 0, -1) != TCL_OK) {
+ return TCL_ERROR;
+ }
slavePtr->row = 0;
} else {
slavePtr->row = masterPtr->masterDataPtr->rowEnd;
+ if (SetSlaveRow(interp, slavePtr,
+ masterPtr->masterDataPtr->rowEnd, -1) != TCL_OK) {
+ return TCL_ERROR;
+ }
}
}
defaultColumn += slavePtr->numCols;
@@ -2915,7 +3020,11 @@ ConfigureSlaves(interp, tkwin, objc, objv)
if (slavePtr->column == lastColumn
&& slavePtr->row + slavePtr->numRows - 1 == lastRow) {
if (slavePtr->numCols <= width) {
- slavePtr->numRows++;
+
+ if (SetSlaveRow(interp, slavePtr, -1,
+ slavePtr->numRows + 1) != TCL_OK) {
+ return TCL_ERROR;
+ }
match++;
j += slavePtr->numCols - 1;
lastWindow = Tk_PathName(slavePtr->tkwin);