/*
* tkTableWin.c --
*
* This module implements embedded windows for table widgets.
* Much of this code is adapted from tkGrid.c and tkTextWind.c.
*
* Copyright (c) 1998-2002 Jeffrey Hobbs
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tkTableWin.c,v 1.10 2004/02/08 03:09:47 cerney Exp $
*/
#include "tkVMacro.h"
#include "tkTable.h"
static int StickyParseProc _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, Tk_Window tkwin,
Arg value, char *widgRec, int offset));
Arg StickyPrintProc _ANSI_ARGS_((ClientData clientData,
Tk_Window tkwin, char *widgRec, int offset,
Tcl_FreeProc **freeProcPtr));
static void EmbWinLostSlaveProc _ANSI_ARGS_((ClientData clientData,
Tk_Window tkwin));
static void EmbWinRequestProc _ANSI_ARGS_((ClientData clientData,
Tk_Window tkwin));
static void EmbWinCleanup _ANSI_ARGS_((Table *tablePtr,
TableEmbWindow *ewPtr));
static int EmbWinConfigure _ANSI_ARGS_((Table *tablePtr,
TableEmbWindow *ewPtr,
int objc, Tcl_Obj *CONST objv[]));
static void EmbWinStructureProc _ANSI_ARGS_((ClientData clientData,
XEvent *eventPtr));
static void EmbWinUnmapNow _ANSI_ARGS_((Tk_Window ewTkwin,
Tk_Window tkwin));
static Tk_GeomMgr tableGeomType = {
"table", /* name */
EmbWinRequestProc, /* requestProc */
EmbWinLostSlaveProc, /* lostSlaveProc */
};
/* windows subcommands */
static CONST char *winCmdNames[] = {
"cget", "configure", "delete", "move", "names", NULL
};
enum winCommand {
WIN_CGET, WIN_CONFIGURE, WIN_DELETE, WIN_MOVE, WIN_NAMES
};
/* Flag values for "sticky"ness The 16 combinations subsume the packer's
* notion of anchor and fill.
*
* STICK_NORTH This window sticks to the top of its cavity.
* STICK_EAST This window sticks to the right edge of its cavity.
* STICK_SOUTH This window sticks to the bottom of its cavity.
* STICK_WEST This window sticks to the left edge of its cavity.
*/
#define STICK_NORTH (1<<0)
#define STICK_EAST (1<<1)
#define STICK_SOUTH (1<<2)
#define STICK_WEST (1<<3)
/*
* The default specification for configuring embedded windows
* Done like this to make the command line parsing easy
*/
static Tk_CustomOption stickyOption = { StickyParseProc, StickyPrintProc,
(ClientData) NULL };
static Tk_CustomOption tagBdOpt = { TableOptionBdSet, TableOptionBdGet,
(ClientData) BD_TABLE_WIN };
static Tk_ConfigSpec winConfigSpecs[] = {
{TK_CONFIG_BORDER, "-background", "background", "Background", NULL,
Tk_Offset(TableEmbWindow, bg),
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK },
{TK_CONFIG_SYNONYM, "-bd", "borderWidth", NULL, NULL, 0, 0},
{TK_CONFIG_SYNONYM, "-bg", "background", NULL, NULL, 0, 0},
{TK_CONFIG_CUSTOM, "-borderwidth", "borderWidth", "BorderWidth", "",
0 /* no offset */,
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK, &tagBdOpt },
{TK_CONFIG_STRING, "-create", NULL, NULL, NULL,
Tk_Offset(TableEmbWindow, create),
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK },
{TK_CONFIG_PIXELS, "-padx", NULL, NULL, NULL,
Tk_Offset(TableEmbWindow, padX), TK_CONFIG_DONT_SET_DEFAULT },
{TK_CONFIG_PIXELS, "-pady", NULL, NULL, NULL,
Tk_Offset(TableEmbWindow, padY), TK_CONFIG_DONT_SET_DEFAULT },
{TK_CONFIG_CUSTOM, "-sticky", NULL, NULL, NULL,
Tk_Offset(TableEmbWindow, sticky), TK_CONFIG_DONT_SET_DEFAULT,
&stickyOption},
{TK_CONFIG_RELIEF, "-relief", "relief", "Relief", NULL,
Tk_Offset(TableEmbWindow, relief), 0 },
{TK_CONFIG_WINDOW, "-window", NULL, NULL, NULL,
Tk_Offset(TableEmbWindow, tkwin),
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK },
{TK_CONFIG_END, NULL, NULL, NULL,
NULL, 0, 0 }
};
/*
*----------------------------------------------------------------------
*
* StickyPrintProc --
* Converts the internal boolean combination of "sticky" bits onto
* a TCL string element containing zero or more of n, s, e, or w.
*
* Results:
* A string is placed into the "result" pointer.
*
* Side effects:
* none.
*
*----------------------------------------------------------------------
*/
Arg
StickyPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr)
ClientData clientData; /* Ignored. */
Tk_Window tkwin; /* Window for text widget. */
char *widgRec; /* Pointer to TkTextEmbWindow
* structure. */
int offset; /* Ignored. */
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with
* information about how to reclaim
* storage for return string. */
{
int flags = ((TableEmbWindow *) widgRec)->sticky;
int count = 0;
char *result = (char *) ckalloc(5*sizeof(char));
if (flags&STICK_NORTH) result[count++] = 'n';
if (flags&STICK_EAST) result[count++] = 'e';
if (flags&STICK_SOUTH) result[count++] = 's';
if (flags&STICK_WEST) result[count++] = 'w';
*freeProcPtr = TCL_DYNAMIC;
result[count] = '\0';
return LangStringArg(result);
}
/*
*----------------------------------------------------------------------
*
* StringParseProc --
* Converts an ascii string representing a widgets stickyness
* into the boolean result.
*
* Results:
* The boolean combination of the "sticky" bits is retuned. If an
* error occurs, such as an invalid character, -1 is returned instead.
*
* Side effects:
* none
*
*----------------------------------------------------------------------
*/
static int
StickyParseProc(clientData, interp, tkwin, value, widgRec, offset)
ClientData clientData; /* Not used.*/
Tcl_Interp *interp; /* Used for reporting errors. */
Tk_Window tkwin; /* Window for text widget. */
Arg value; /* Value of option. */
char *widgRec; /* Pointer to TkTextEmbWindow
* structure. */
int offset; /* Offset into item (ignored). */
{
register TableEmbWindow *ewPtr = (TableEmbWindow *) widgRec;
int sticky = 0;
char c;
char * valuestring = Tcl_GetString(value);
while ((c = *valuestring++) != '\0') {
switch (c) {
case 'n': case 'N': sticky |= STICK_NORTH; break;
case 'e': case 'E': sticky |= STICK_EAST; break;
case 's': case 'S': sticky |= STICK_SOUTH; break;
case 'w': case 'W': sticky |= STICK_WEST; break;
case ' ': case ',': case '\t': case '\r': case '\n': break;
default:
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"bad sticky value \"", --valuestring,
"\": must contain n, s, e or w",
NULL);
return TCL_ERROR;
}
}
ewPtr->sticky = sticky;
return TCL_OK;
}
/*
* ckallocs space for a new embedded window structure and clears the structure
* returns the pointer to the new structure
*/
static TableEmbWindow *
TableNewEmbWindow(Table *tablePtr)
{
TableEmbWindow *ewPtr = (TableEmbWindow *) ckalloc(sizeof(TableEmbWindow));
memset((VOID *) ewPtr, 0, sizeof(TableEmbWindow));
/*
* Set the values that aren't 0/NULL by default
*/
ewPtr->tablePtr = tablePtr;
ewPtr->relief = -1;
ewPtr->padX = -1;
ewPtr->padY = -1;
return ewPtr;
}
/*
*----------------------------------------------------------------------
*
* EmbWinCleanup --
* Releases resources used by an embedded window before it is freed up.
*
* Results:
* Window will no longer be valid.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static void
EmbWinCleanup(Table *tablePtr, TableEmbWindow *ewPtr)
{
Tk_FreeOptions(winConfigSpecs, (char *) ewPtr, tablePtr->display, 0);
}
/*
*--------------------------------------------------------------
*
* EmbWinDisplay --
*
* This procedure is invoked by TableDisplay for
* mapping windows into cells.
*
* Results:
* Displays or moves window on table screen.
*
* Side effects:
* None.
*
*--------------------------------------------------------------
*/
void
EmbWinDisplay(Table *tablePtr, Drawable window, TableEmbWindow *ewPtr,
TableTag *tagPtr, int x, int y, int width, int height)
{
Tk_Window tkwin = tablePtr->tkwin;
Tk_Window ewTkwin = ewPtr->tkwin;
int diffx=0; /* Cavity width - slave width. */
int diffy=0; /* Cavity hight - slave height. */
int sticky = ewPtr->sticky;
int padx, pady;
if (ewPtr->bg) tagPtr->bg = ewPtr->bg;
if (ewPtr->relief != -1) tagPtr->relief = ewPtr->relief;
if (ewPtr->borders) {
tagPtr->borderStr = ewPtr->borderStr;
tagPtr->borders = ewPtr->borders;
tagPtr->bd[0] = ewPtr->bd[0];
tagPtr->bd[1] = ewPtr->bd[1];
tagPtr->bd[2] = ewPtr->bd[2];
tagPtr->bd[3] = ewPtr->bd[3];
}
padx = (ewPtr->padX < 0) ? tablePtr->padX : ewPtr->padX;
pady = (ewPtr->padY < 0) ? tablePtr->padY : ewPtr->padY;
x += padx;
width -= padx*2;
y += pady;
height -= pady*2;
if (width > Tk_ReqWidth(ewPtr->tkwin)) {
diffx = width - Tk_ReqWidth(ewPtr->tkwin);
width = Tk_ReqWidth(ewPtr->tkwin);
}
if (height > Tk_ReqHeight(ewPtr->tkwin)) {
diffy = height - Tk_ReqHeight(ewPtr->tkwin);
height = Tk_ReqHeight(ewPtr->tkwin);
}
if (sticky&STICK_EAST && sticky&STICK_WEST) {
width += diffx;
}
if (sticky&STICK_NORTH && sticky&STICK_SOUTH) {
height += diffy;
}
if (!(sticky&STICK_WEST)) {
x += (sticky&STICK_EAST) ? diffx : diffx/2;
}
if (!(sticky&STICK_NORTH)) {
y += (sticky&STICK_SOUTH) ? diffy : diffy/2;
}
/*
* If we fall below a specific minimum width/height requirement,
* we just unmap the window
*/
if (width < 4 || height < 4) {
if (ewPtr->displayed) {
EmbWinUnmapNow(ewTkwin, tkwin);
}
return;
}
if (tkwin == Tk_Parent(ewTkwin)) {
if ((x != Tk_X(ewTkwin)) || (y != Tk_Y(ewTkwin))
|| (width != Tk_Width(ewTkwin))
|| (height != Tk_Height(ewTkwin))) {
Tk_MoveResizeWindow(ewTkwin, x, y, width, height);
}
Tk_MapWindow(ewTkwin);
} else {
Tk_MaintainGeometry(ewTkwin, tkwin, x, y, width, height);
}
ewPtr->displayed = 1;
}
/*
*--------------------------------------------------------------
*
* EmbWinUnmapNow --
* Handles unmapping the window depending on parent.
* tkwin should be tablePtr->tkwin.
* ewTkwin should be ewPtr->tkwin.
*
* Results:
* Removes the window.
*
* Side effects:
* None.
*
*--------------------------------------------------------------
*/
static void
EmbWinUnmapNow(Tk_Window ewTkwin, Tk_Window tkwin)
{
if (tkwin != Tk_Parent(ewTkwin)) {
Tk_UnmaintainGeometry(ewTkwin, tkwin);
}
Tk_UnmapWindow(ewTkwin);
}
/*
*--------------------------------------------------------------
*
* EmbWinUnmap --
* This procedure is invoked by TableAdjustParams for
* unmapping windows managed moved offscreen.
* rlo, ... should be in real coords.
*
* Results:
* None.
*
* Side effects:
* Unmaps embedded windows.
*
*--------------------------------------------------------------
*/
void
EmbWinUnmap(Table *tablePtr, int rlo, int rhi, int clo, int chi)
{
register TableEmbWindow *ewPtr;
Tcl_HashEntry *entryPtr;
int row, col, trow, tcol;
char buf[INDEX_BUFSIZE];
/*
* Transform numbers from real to user user coords
*/
rlo += tablePtr->rowOffset;
rhi += tablePtr->rowOffset;
clo += tablePtr->colOffset;
chi += tablePtr->colOffset;
for (row = rlo; row <= rhi; row++) {
for (col = clo; col <= chi; col++) {
TableTrueCell(tablePtr, row, col, &trow, &tcol);
TableMakeArrayIndex(trow, tcol, buf);
entryPtr = Tcl_FindHashEntry(tablePtr->winTable, buf);
if (entryPtr != NULL) {
ewPtr = (TableEmbWindow *) Tcl_GetHashValue(entryPtr);
if (ewPtr->displayed) {
ewPtr->displayed = 0;
if (ewPtr->tkwin != NULL && tablePtr->tkwin != NULL) {
EmbWinUnmapNow(ewPtr->tkwin, tablePtr->tkwin);
}
}
}
}
}
}
/*
*--------------------------------------------------------------
*
* EmbWinRequestProc --
* This procedure is invoked by Tk_GeometryRequest for
* windows managed by the Table.
*
* Results:
* None.
*
* Side effects:
* Arranges for tkwin, and all its managed siblings, to
* be re-arranged at the next idle point.
*
*--------------------------------------------------------------
*/
static void
EmbWinRequestProc(clientData, tkwin)
ClientData clientData; /* Table's information about
* window that got new preferred
* geometry. */
Tk_Window tkwin; /* Other Tk-related information
* about the window. */
{
register TableEmbWindow *ewPtr = (TableEmbWindow *) clientData;
/*
* Resize depends on the sticky
*/
if (ewPtr->displayed && ewPtr->hPtr != NULL) {
Table *tablePtr = ewPtr->tablePtr;
int row, col, x, y, width, height;
TableParseArrayIndex(&row, &col,
Tcl_GetHashKey(tablePtr->winTable, ewPtr->hPtr));
if (TableCellVCoords(tablePtr, row-tablePtr->rowOffset,
col-tablePtr->colOffset, &x, &y, &width, &height,
0)) {
TableInvalidate(tablePtr, x, y, width, height, 0);
}
}
}
static void
EmbWinRemove(TableEmbWindow *ewPtr)
{
Table *tablePtr = ewPtr->tablePtr;
if (ewPtr->tkwin != NULL) {
Tk_DeleteEventHandler(ewPtr->tkwin, StructureNotifyMask,
EmbWinStructureProc, (ClientData) ewPtr);
ewPtr->tkwin = NULL;
}
ewPtr->displayed = 0;
if (tablePtr->tkwin != NULL) {
int row, col, x, y, width, height;
TableParseArrayIndex(&row, &col,
Tcl_GetHashKey(tablePtr->winTable, ewPtr->hPtr));
/* this will cause windows removed from the table to actually
* cause the associated embdedded window hash data to be removed */
Tcl_DeleteHashEntry(ewPtr->hPtr);
if (TableCellVCoords(tablePtr, row-tablePtr->rowOffset,
col-tablePtr->colOffset, &x, &y, &width, &height,
0))
TableInvalidate(tablePtr, x, y, width, height, 1);
}
/* this will cause windows removed from the table to actually
* cause the associated embdedded window hash data to be removed */
EmbWinCleanup(tablePtr, ewPtr);
ckfree((char *) ewPtr);
}
/*
*--------------------------------------------------------------
*
* EmbWinLostSlaveProc --
* This procedure is invoked by Tk whenever some other geometry
* claims control over a slave that used to be managed by us.
*
* Results:
* None.
*
* Side effects:
* Forgets all table-related information about the slave.
*
*--------------------------------------------------------------
*/
static void
EmbWinLostSlaveProc(clientData, tkwin)
ClientData clientData; /* Table structure for slave window that
* was stolen away. */
Tk_Window tkwin; /* Tk's handle for the slave window. */
{
register TableEmbWindow *ewPtr = (TableEmbWindow *) clientData;
#if 0
Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) ewPtr);
#endif
EmbWinUnmapNow(tkwin, ewPtr->tablePtr->tkwin);
EmbWinRemove(ewPtr);
}
/*
*--------------------------------------------------------------
*
* EmbWinStructureProc --
* This procedure is invoked by the Tk event loop whenever
* StructureNotify events occur for a window that's embedded
* in a table widget. This procedure's only purpose is to
* clean up when windows are deleted.
*
* Results:
* None.
*
* Side effects:
* The window is disassociated from the window segment, and
* the portion of the table is redisplayed.
*
*--------------------------------------------------------------
*/
static void
EmbWinStructureProc(clientData, eventPtr)
ClientData clientData; /* Pointer to record describing window item. */
XEvent *eventPtr; /* Describes what just happened. */
{
register TableEmbWindow *ewPtr = (TableEmbWindow *) clientData;
if (eventPtr->type != DestroyNotify) {
return;
}
EmbWinRemove(ewPtr);
}
/*
*--------------------------------------------------------------
*
* EmbWinDelete --
* This procedure is invoked by ... whenever
* an embedded window is being deleted.
*
* Results:
* None.
*
* Side effects:
* The embedded window is deleted, if it exists, and any resources
* associated with it are released.
*
*--------------------------------------------------------------
*/
void
EmbWinDelete(register Table *tablePtr, TableEmbWindow *ewPtr)
{
Tcl_HashEntry *entryPtr = ewPtr->hPtr;
if (ewPtr->tkwin != NULL) {
Tk_Window tkwin = ewPtr->tkwin;
/*
* Delete the event handler for the window before destroying
* the window, so that EmbWinStructureProc doesn't get called
* (we'll already do everything that it would have done, and
* it will just get confused).
*/
ewPtr->tkwin = NULL;
Tk_DeleteEventHandler(tkwin, StructureNotifyMask,
EmbWinStructureProc, (ClientData) ewPtr);
Tk_DestroyWindow(tkwin);
}
if (tablePtr->tkwin != NULL && entryPtr != NULL) {
int row, col, x, y, width, height;
TableParseArrayIndex(&row, &col,
Tcl_GetHashKey(tablePtr->winTable, entryPtr));
Tcl_DeleteHashEntry(entryPtr);
if (TableCellVCoords(tablePtr, row-tablePtr->rowOffset,
col-tablePtr->colOffset,
&x, &y, &width, &height, 0))
TableInvalidate(tablePtr, x, y, width, height, 0);
}
#if 0
Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) ewPtr);
#endif
EmbWinCleanup(tablePtr, ewPtr);
ckfree((char *) ewPtr);
}
/*
*--------------------------------------------------------------
*
* EmbWinConfigure --
* This procedure is called to handle configuration options
* for an embedded window.
*
* Results:
* The return value is a standard Tcl result. If TCL_ERROR is
* returned, then the interp's result contains an error message..
*
* Side effects:
* Configuration information for the embedded window changes,
* such as alignment, stretching, or name of the embedded
* window.
*
*--------------------------------------------------------------
*/
static int
EmbWinConfigure(tablePtr, ewPtr, objc, objv)
Table *tablePtr; /* Information about table widget that
* contains embedded window. */
TableEmbWindow *ewPtr; /* Embedded window to be configured. */
int objc; /* Number of objs in objv. */
Tcl_Obj *CONST objv[]; /* Obj type options. */
{
Tcl_Interp *interp = tablePtr->interp;
Tk_Window oldWindow;
int i, result;
Arg *args;
oldWindow = ewPtr->tkwin;
/* Stringify */
args = (Arg *) ckalloc((objc + 1) * sizeof(Arg));
for (i = 0; i < objc; i++)
args[i] = LangStringArg(Tcl_GetString(objv[i]));
args[i] = NULL;
result = Tk_ConfigureWidget(interp, tablePtr->tkwin,
winConfigSpecs, objc, args, (char *) ewPtr,
TK_CONFIG_ARGV_ONLY);
ckfree((char *) args);
if (result != TCL_OK) {
return TCL_ERROR;
}
if (oldWindow != ewPtr->tkwin) {
ewPtr->displayed = 0;
if (oldWindow != NULL) {
Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
EmbWinStructureProc, (ClientData) ewPtr);
Tk_ManageGeometry(oldWindow, (Tk_GeomMgr *) NULL,
(ClientData) NULL);
EmbWinUnmapNow(oldWindow, tablePtr->tkwin);
}
if (ewPtr->tkwin != NULL) {
Tk_Window ancestor, parent;
/*
* Make sure that the table is either the parent of the
* embedded window or a descendant of that parent. Also,
* don't allow a top-level window to be managed inside
* a table.
*/
parent = Tk_Parent(ewPtr->tkwin);
for (ancestor = tablePtr->tkwin; ;
ancestor = Tk_Parent(ancestor)) {
if (ancestor == parent) {
break;
}
if (Tk_IsTopLevel(ancestor)) {
badMaster:
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"can't embed ",
Tk_PathName(ewPtr->tkwin), " in ",
Tk_PathName(tablePtr->tkwin),
NULL);
ewPtr->tkwin = NULL;
return TCL_ERROR;
}
}
if (Tk_IsTopLevel(ewPtr->tkwin) ||
(ewPtr->tkwin == tablePtr->tkwin)) {
goto badMaster;
}
/*
* Take over geometry management for the window, plus create
* an event handler to find out when it is deleted.
*/
Tk_ManageGeometry(ewPtr->tkwin, &tableGeomType, (ClientData)ewPtr);
Tk_CreateEventHandler(ewPtr->tkwin, StructureNotifyMask,
EmbWinStructureProc, (ClientData) ewPtr);
}
}
return TCL_OK;
}
/*
*--------------------------------------------------------------
*
* Table_WinMove --
* This procedure is invoked by ... whenever
* an embedded window is being moved.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* If an embedded window is in the dest cell, it is deleted.
*
*--------------------------------------------------------------
*/
int
Table_WinMove(register Table *tablePtr, char *CONST srcPtr,
char *CONST destPtr, int flags)
{
int srow, scol, row, col, new;
Tcl_HashEntry *entryPtr;
TableEmbWindow *ewPtr;
if (TableGetIndex(tablePtr, srcPtr, &srow, &scol) != TCL_OK ||
TableGetIndex(tablePtr, destPtr, &row, &col) != TCL_OK) {
return TCL_ERROR;
}
entryPtr = Tcl_FindHashEntry(tablePtr->winTable, srcPtr);
if (entryPtr == NULL) {
if (flags & INV_NO_ERR_MSG) {
return TCL_OK;
} else {
Tcl_AppendStringsToObj(Tcl_GetObjResult(tablePtr->interp),
"no window at index \"", srcPtr, "\"", NULL);
return TCL_ERROR;
}
}
/* avoid moving it to the same location */
if (srow == row && scol == col) {
return TCL_OK;
}
/* get the window pointer */
ewPtr = (TableEmbWindow *) Tcl_GetHashValue(entryPtr);
/* and free the old hash table entry */
Tcl_DeleteHashEntry(entryPtr);
entryPtr = Tcl_CreateHashEntry(tablePtr->winTable, destPtr, &new);
if (!new) {
/* window already there - just delete it */
TableEmbWindow *ewPtrDel;
ewPtrDel = (TableEmbWindow *) Tcl_GetHashValue(entryPtr);
/* This prevents the deletion of it's own entry, since we need it */
ewPtrDel->hPtr = NULL;
EmbWinDelete(tablePtr, ewPtrDel);
}
/* set the new entry's value */
Tcl_SetHashValue(entryPtr, (ClientData) ewPtr);
ewPtr->hPtr = entryPtr;
if (flags & INV_FORCE) {
int x, y, w, h;
/* Invalidate old cell */
if (TableCellVCoords(tablePtr, srow-tablePtr->rowOffset,
scol-tablePtr->colOffset, &x, &y, &w, &h, 0)) {
TableInvalidate(tablePtr, x, y, w, h, 0);
}
/* Invalidate new cell */
if (TableCellVCoords(tablePtr, row-tablePtr->rowOffset,
col-tablePtr->colOffset, &x, &y, &w, &h, 0)) {
TableInvalidate(tablePtr, x, y, w, h, 0);
}
}
return TCL_OK;
}
/*
*--------------------------------------------------------------
*
* Table_WinDelete --
* This procedure is invoked by ... whenever
* an embedded window is being delete.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* Window info will be deleted.
*
*--------------------------------------------------------------
*/
int
Table_WinDelete(register Table *tablePtr, char *CONST idxPtr)
{
Tcl_HashEntry *entryPtr;
entryPtr = Tcl_FindHashEntry(tablePtr->winTable, idxPtr);
if (entryPtr != NULL) {
/* get the window pointer & clean up data associated with it */
EmbWinDelete(tablePtr, (TableEmbWindow *) Tcl_GetHashValue(entryPtr));
}
return TCL_OK;
}
/*
*--------------------------------------------------------------
*
* Table_WindowCmd --
* This procedure is invoked to process the window method
* that corresponds to a widget managed by this module.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*--------------------------------------------------------------
*/
int
Table_WindowCmd(ClientData clientData, register Tcl_Interp *interp,
int objc, Tcl_Obj *CONST objv[])
{
register Table *tablePtr = (Table *)clientData;
int result = TCL_OK, cmdIndex, row, col, x, y, width, height, i, new;
TableEmbWindow *ewPtr;
Tcl_HashEntry *entryPtr;
Tcl_HashSearch search;
char buf[INDEX_BUFSIZE], *keybuf, *winname;
if (objc < 3) {
Tcl_WrongNumArgs(interp, 2, objv, "option ?arg arg ...?");
return TCL_ERROR;
}
/* parse the next argument */
if (Tcl_GetIndexFromObj(interp, objv[2], winCmdNames,
"option", 0, &cmdIndex) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum winCommand) cmdIndex) {
case WIN_CGET:
if (objc != 5) {
Tcl_WrongNumArgs(interp, 3, objv, "index option");
return TCL_ERROR;
}
entryPtr = Tcl_FindHashEntry(tablePtr->winTable,
Tcl_GetString(objv[3]));
if (entryPtr == NULL) {
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
"no window at index \"",
Tcl_GetString(objv[3]), "\"", NULL);
return TCL_ERROR;
} else {
ewPtr = (TableEmbWindow *) Tcl_GetHashValue(entryPtr);
result = Tk_ConfigureValue(interp, tablePtr->tkwin, winConfigSpecs,
(char *) ewPtr,
Tcl_GetString(objv[4]), 0);
}
return result; /* CGET */
case WIN_CONFIGURE:
if (objc < 4) {
Tcl_WrongNumArgs(interp, 3, objv, "index ?arg arg ...?");
return TCL_ERROR;
}
if (TableGetIndexObj(tablePtr, objv[3], &row, &col) == TCL_ERROR) {
return TCL_ERROR;
}
TableMakeArrayIndex(row, col, buf);
entryPtr = Tcl_CreateHashEntry(tablePtr->winTable, buf, &new);
if (new) {
/* create the structure */
ewPtr = TableNewEmbWindow(tablePtr);
/* insert it into the table */
Tcl_SetHashValue(entryPtr, (ClientData) ewPtr);
ewPtr->hPtr = entryPtr;
/* configure the window structure */
result = EmbWinConfigure(tablePtr, ewPtr, objc-4, objv+4);
if (result == TCL_ERROR) {
/* release the structure */
EmbWinCleanup(tablePtr, ewPtr);
ckfree((char *) ewPtr);
/* and free the hash table entry */
Tcl_DeleteHashEntry(entryPtr);
}
} else {
/* window exists, do a reconfig if we have enough args */
/* get the window pointer from the table */
ewPtr = (TableEmbWindow *) Tcl_GetHashValue(entryPtr);
/* 5 args means that there are values to replace */
if (objc > 5) {
/* and do a reconfigure */
result = EmbWinConfigure(tablePtr, ewPtr, objc-4, objv+4);
}
}
if (result == TCL_ERROR) {
return TCL_ERROR;
}
/*
* If there were less than 6 args, we need
* to do a printout of the config, even for new windows
*/
if (objc < 6) {
result = Tk_ConfigureInfo(interp, tablePtr->tkwin, winConfigSpecs,
(char *) ewPtr, (objc == 5)?
Tcl_GetString(objv[4]) : NULL, 0);
} else {
/* Otherwise we reconfigured so invalidate
* the table for a redraw */
if (TableCellVCoords(tablePtr, row-tablePtr->rowOffset,
col-tablePtr->colOffset,
&x, &y, &width, &height, 0)) {
TableInvalidate(tablePtr, x, y, width, height, 1);
}
}
return result; /* CONFIGURE */
case WIN_DELETE:
if (objc < 4) {
Tcl_WrongNumArgs(interp, 3, objv, "index ?index ...?");
return TCL_ERROR;
}
for (i = 3; i < objc; i++) {
Table_WinDelete(tablePtr, Tcl_GetString(objv[i]));
}
break;
case WIN_MOVE:
if (objc != 5) {
Tcl_WrongNumArgs(interp, 3, objv, "srcIndex destIndex");
return TCL_ERROR;
}
result = Table_WinMove(tablePtr, Tcl_GetString(objv[3]),
Tcl_GetString(objv[4]), INV_FORCE);
break;
case WIN_NAMES: {
Tcl_Obj *objPtr = Tcl_NewObj();
/* just print out the window names */
if (objc < 3 || objc > 4) {
Tcl_WrongNumArgs(interp, 3, objv, "?pattern?");
return TCL_ERROR;
}
winname = (objc == 4) ? Tcl_GetString(objv[3]) : NULL;
entryPtr = Tcl_FirstHashEntry(tablePtr->winTable, &search);
while (entryPtr != NULL) {
keybuf = Tcl_GetHashKey(tablePtr->winTable, entryPtr);
if (objc == 3 || Tcl_StringMatch(keybuf, winname) ) {
Tcl_ListObjAppendElement(NULL, objPtr,
Tcl_NewStringObj(keybuf, -1));
}
entryPtr = Tcl_NextHashEntry(&search);
}
Tcl_SetResult(interp, Tcl_GetString(TableCellSort(tablePtr, Tcl_GetStringFromObj(Tcl_GetObjResult(interp),NULL))), TCL_DYNAMIC);
break;
}
}
return TCL_OK;
}