/* + style layout name ?spec?
*/
static int StyleLayoutCmd(
ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[])
{
StylePackageData *pkgPtr = clientData;
Ttk_Theme theme = pkgPtr->currentTheme;
const char *layoutName;
Ttk_LayoutTemplate layoutTemplate;
if (objc < 3 || objc > 4) {
Tcl_WrongNumArgs(interp, 2, objv, "name ?spec?");
return TCL_ERROR;
}
layoutName = Tcl_GetString(objv[2]);
if (objc == 3) {
layoutTemplate = Ttk_FindLayoutTemplate(theme, layoutName);
if (!layoutTemplate) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"Layout %s not found", layoutName));
Tcl_SetErrorCode(interp, "TTK", "LOOKUP", "LAYOUT", layoutName,
NULL);
return TCL_ERROR;
}
Tcl_SetObjResult(interp, Ttk_UnparseLayoutTemplate(layoutTemplate));
} else {
layoutTemplate = Ttk_ParseLayoutTemplate(interp, objv[3]);
if (!layoutTemplate) {
return TCL_ERROR;
}
Ttk_RegisterLayoutTemplate(theme, layoutName, layoutTemplate);
ThemeChanged(pkgPtr);
}
return TCL_OK;
}
Ttk_LayoutTemplate Ttk_ParseLayoutTemplate(Tcl_Interp *interp, Tcl_Obj *objPtr)
{
enum { OP_SIDE, OP_STICKY, OP_EXPAND, OP_BORDER, OP_UNIT, OP_CHILDREN };
static const char *optStrings[] = {
"-side", "-sticky", "-expand", "-border", "-unit", "-children", 0 };
int i = 0, objc;
Tcl_Obj **objv;
Ttk_TemplateNode *head = 0, *tail = 0;
if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK)
return 0;
while (i < objc) {
char *elementName = Tcl_GetString(objv[i]);
unsigned flags = 0x0, sticky = TTK_FILL_BOTH;
Tcl_Obj *childSpec = 0;
/*
* Parse options:
*/
++i;
while (i < objc) {
const char *optName = Tcl_GetString(objv[i]);
int option, value;
if (optName[0] != '-')
break;
if (Tcl_GetIndexFromObj(
interp, objv[i], optStrings, "option", 0, &option)
!= TCL_OK)
{
goto error;
}
if (++i >= objc) {
Tcl_ResetResult(interp);
Tcl_AppendResult(interp,
"Missing value for option ",Tcl_GetString(objv[i-1]),
NULL);
goto error;
}
switch (option) {
case OP_SIDE: /* <<NOTE-PACKSIDE>> */
if (Tcl_GetIndexFromObj(interp, objv[i], packSideStrings,
"side", 0, &value) != TCL_OK)
{
goto error;
}
flags |= (TTK_PACK_LEFT << value);
break;
case OP_STICKY:
if (Ttk_GetStickyFromObj(interp,objv[i],&sticky) != TCL_OK)
goto error;
break;
case OP_EXPAND:
if (Tcl_GetBooleanFromObj(interp,objv[i],&value) != TCL_OK)
goto error;
if (value)
flags |= TTK_EXPAND;
break;
case OP_BORDER:
if (Tcl_GetBooleanFromObj(interp,objv[i],&value) != TCL_OK)
goto error;
if (value)
flags |= TTK_BORDER;
break;
case OP_UNIT:
if (Tcl_GetBooleanFromObj(interp,objv[i],&value) != TCL_OK)
goto error;
if (value)
flags |= TTK_UNIT;
break;
case OP_CHILDREN:
childSpec = objv[i];
break;
}
++i;
}
/*
* Build new node:
*/
if (tail) {
tail->next = Ttk_NewTemplateNode(elementName, flags | sticky);
tail = tail->next;
} else {
head = tail = Ttk_NewTemplateNode(elementName, flags | sticky);
}
if (childSpec) {
tail->child = Ttk_ParseLayoutTemplate(interp, childSpec);
if (!tail->child) {
goto error;
}
}
}
return head;
error:
Ttk_FreeLayoutTemplate(head);
return 0;
}
