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/*
* tixGrSel.c --
*
* This module handles the selection
*
* Copyright (c) 1996, Expert Interface Technologies
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
*/
#include <tixPort.h>
#include <tixInt.h>
#include <tixDef.h>
#include <tixGrid.h>
EXTERN TIX_DECLARE_SUBCMD(Tix_GrSelection);
static TIX_DECLARE_SUBCMD(Tix_GrSelIncludes);
static TIX_DECLARE_SUBCMD(Tix_GrSelModify);
static int Tix_GrSelIncludes _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int argc, char **argv));
static void Tix_GrAdjustSelection _ANSI_ARGS_((
WidgetPtr wPtr, SelectBlock * sbPtr));
static void Tix_GrMergeSelection _ANSI_ARGS_((
WidgetPtr wPtr, SelectBlock * sbPtr));
static int Intersect _ANSI_ARGS_((SelectBlock * s1,
SelectBlock * s2));
static int Include _ANSI_ARGS_((SelectBlock * s1,
SelectBlock * s2));
int
Tix_GrSelection(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
static Tix_SubCmdInfo subCmdInfo[] = {
{TIX_DEFAULT_LEN, "adjust", 2, 4, Tix_GrSelModify,
"x1 y1 ?x2 y2?"},
{TIX_DEFAULT_LEN, "clear", 2, 4, Tix_GrSelModify,
"x1 y1 ?x2 y2?"},
{TIX_DEFAULT_LEN, "includes", 2, 4, Tix_GrSelIncludes,
"x1 y1 ?x2 y2?"},
{TIX_DEFAULT_LEN, "set", 2, 4, Tix_GrSelModify,
"x1 y1 ?x2 y2?"},
{TIX_DEFAULT_LEN, "toggle", 2, 4, Tix_GrSelModify,
"x1 y1 ?x2 y2?"},
};
static Tix_CmdInfo cmdInfo = {
Tix_ArraySize(subCmdInfo), 1, TIX_VAR_ARGS, "?option? ?arg ...?",
};
return Tix_HandleSubCmds(&cmdInfo, subCmdInfo, clientData,
interp, argc+1, argv-1);
}
static int
Tix_GrSelIncludes(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
#if 0
WidgetPtr wPtr = (WidgetPtr) clientData;
#endif
return TCL_OK;
}
static int Intersect(s1, s2)
SelectBlock * s1;
SelectBlock * s2;
{
return 0;
}
static int Include(s1, s2)
SelectBlock * s1;
SelectBlock * s2;
{
return 0;
}
static void
Tix_GrMergeSelection(wPtr, sbPtr)
WidgetPtr wPtr;
SelectBlock * sbPtr;
{
Tix_ListIterator li;
switch (sbPtr->type) {
case TIX_GR_SET:
case TIX_GR_CLEAR:
if (sbPtr->range[0][0] == 0 &&
sbPtr->range[1][0] == 0 &&
sbPtr->range[0][1] == TIX_GR_MAX &&
sbPtr->range[1][1] == TIX_GR_MAX) {
/* clear everything else from the list
*/
Tix_SimpleListIteratorInit(&li);
for (Tix_SimpleListStart(&wPtr->selList, &li);
!Tix_SimpleListDone(&li);
Tix_SimpleListNext (&wPtr->selList, &li)) {
SelectBlock *ptr = (SelectBlock *)li.curr;
Tix_SimpleListDelete(&wPtr->selList, &li);
ckfree((char*)ptr);
}
}
if (sbPtr->type == TIX_GR_SET) {
Tix_SimpleListAppend(&wPtr->selList, (char*)sbPtr, 0);
}
goto done;
}
#if 0
switch (sbPtr->type) {
case TIX_GR_TOGGLE: {
}
break;
case TIX_GR_SET: {
Tix_SimpleListAppend(&wPtr->selList, (char*)sbPtr, 0);
}
break;
case TIX_GR_CLEAR: {
Tix_SimpleListIteratorInit(&li);
for (Tix_SimpleListStart(&wPtr->selList, &li);
!Tix_SimpleListDone(&li);
Tix_SimpleListNext (&wPtr->selList, &li)) {
}
}
}
#else
Tix_SimpleListAppend(&wPtr->selList, (char*)sbPtr, 0);
#endif
done:
Tix_GrAddChangedRect(wPtr, sbPtr->range, 0);
}
static void
Tix_GrAdjustSelection(wPtr, sbPtr)
WidgetPtr wPtr;
SelectBlock * sbPtr;
{
int changed[2][2];
SelectBlock * current;
current = (SelectBlock*)wPtr->selList.tail;
/*
* The changed region is the union of the area of the current selection
* and the adjusted selection.
*/
changed[TIX_X][0] = sbPtr->range[TIX_X][0];
changed[TIX_X][1] = sbPtr->range[TIX_X][1];
changed[TIX_Y][0] = sbPtr->range[TIX_Y][0];
changed[TIX_Y][1] = sbPtr->range[TIX_Y][1];
if (changed[TIX_X][0] > current->range[TIX_X][0]) {
changed[TIX_X][0] = current->range[TIX_X][0];
}
if (changed[TIX_X][1] < current->range[TIX_X][1]) {
changed[TIX_X][1] = current->range[TIX_X][1];
}
if (changed[TIX_Y][0] > current->range[TIX_Y][0]) {
changed[TIX_Y][0] = current->range[TIX_Y][0];
}
if (changed[TIX_Y][1] < current->range[TIX_Y][1]) {
changed[TIX_Y][1] = current->range[TIX_Y][1];
}
/* Adjust the current selection according to sbPtr */
current->range[TIX_X][0] = sbPtr->range[TIX_X][0];
current->range[TIX_X][1] = sbPtr->range[TIX_X][1];
current->range[TIX_Y][0] = sbPtr->range[TIX_Y][0];
current->range[TIX_Y][1] = sbPtr->range[TIX_Y][1];
/* Set the changed area */
Tix_GrAddChangedRect(wPtr, changed, 0);
/* sbPtr is no longer needed */
ckfree((char*)sbPtr);
}
static int
Tix_GrSelModify(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp; /* Current interpreter. */
int argc; /* Number of arguments. */
char **argv; /* Argument strings. */
{
WidgetPtr wPtr = (WidgetPtr) clientData;
int type, adjust = 0;
SelectBlock * sbPtr = NULL;
int tmp;
if (argc != 2 && argc != 4) {
return Tix_ArgcError(interp, argc+2, argv-2, 2, "x1 y1 ?x2 y2?");
}
/*
* (1) find out the type of operation.
*/
if (argv[-1][0] == 'a') {
if (wPtr->selList.numItems <= 0) {
/*
* There is nothing in the selection list to adjust!
*/
Tcl_AppendResult(interp, "selection list is empty", NULL);
return TCL_ERROR;
}
adjust = 1;
}
else if (argv[-1][0] == 'c') {
type = TIX_GR_CLEAR;
}
else if (argv[-1][0] == 's') {
type = TIX_GR_SET;
}
else {
type = TIX_GR_TOGGLE;
}
sbPtr = (SelectBlock*)ckalloc(sizeof(SelectBlock));
sbPtr->type = type;
if (Tcl_GetInt(interp, argv[0], &sbPtr->range[0][0]) != TCL_OK) {
goto error;
}
if (Tcl_GetInt(interp, argv[1], &sbPtr->range[1][0]) != TCL_OK) {
goto error;
}
if (argc == 4) {
if (Tcl_GetInt(interp, argv[2], &sbPtr->range[0][1]) != TCL_OK) {
if (strcmp(argv[2], "max") == 0) {
Tcl_ResetResult(interp);
sbPtr->range[0][1] = TIX_GR_MAX;
} else {
goto error;
}
}
if (Tcl_GetInt(interp, argv[3], &sbPtr->range[1][1]) != TCL_OK) {
if (strcmp(argv[3], "max") == 0) {
Tcl_ResetResult(interp);
sbPtr->range[1][1] = TIX_GR_MAX;
} else {
goto error;
}
}
} else {
sbPtr->range[0][1] = sbPtr->range[0][0];
sbPtr->range[1][1] = sbPtr->range[1][0];
}
if (wPtr->selectUnit != tixRowUid) {
if (sbPtr->range[0][0] > sbPtr->range[0][1]) {
tmp = sbPtr->range[0][1];
sbPtr->range[0][1] = sbPtr->range[0][0];
sbPtr->range[0][0] = tmp;
}
} else {
sbPtr->range[0][0] = 0;
sbPtr->range[0][1] = TIX_GR_MAX;
}
if (wPtr->selectUnit != tixColumnUid) {
if (sbPtr->range[1][0] > sbPtr->range[1][1]) {
tmp = sbPtr->range[1][1];
sbPtr->range[1][1] = sbPtr->range[1][0];
sbPtr->range[1][0] = tmp;
}
} else {
sbPtr->range[1][0] = 0;
sbPtr->range[1][1] = TIX_GR_MAX;
}
if (adjust) {
Tix_GrAdjustSelection(wPtr, sbPtr);
sbPtr = NULL;
} else {
Tix_GrMergeSelection(wPtr, sbPtr);
}
wPtr->toComputeSel = 1;
return TCL_OK;
error:
if (sbPtr) {
ckfree((char*)sbPtr);
}
return TCL_ERROR;
}
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