tktable added
--HG-- branch : aspn
This commit is contained in:
baloan
955
tktable/generic/tkTableWin.c
Normal file
955
tktable/generic/tkTableWin.c
Normal file
@@ -0,0 +1,955 @@
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/*
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* tkTableWin.c --
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*
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* This module implements embedded windows for table widgets.
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* Much of this code is adapted from tkGrid.c and tkTextWind.c.
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*
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* Copyright (c) 1998-2002 Jeffrey Hobbs
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* RCS: @(#) $Id: tkTableWin.c,v 1.6 2004/06/11 00:24:44 hobbs Exp $
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*/
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#include "tkTable.h"
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static int StickyParseProc _ANSI_ARGS_((ClientData clientData,
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Tcl_Interp *interp, Tk_Window tkwin,
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CONST84 char *value, char *widgRec, int offset));
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static char * StickyPrintProc _ANSI_ARGS_((ClientData clientData,
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Tk_Window tkwin, char *widgRec, int offset,
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Tcl_FreeProc **freeProcPtr));
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static void EmbWinLostSlaveProc _ANSI_ARGS_((ClientData clientData,
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Tk_Window tkwin));
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static void EmbWinRequestProc _ANSI_ARGS_((ClientData clientData,
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Tk_Window tkwin));
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static void EmbWinCleanup _ANSI_ARGS_((Table *tablePtr,
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TableEmbWindow *ewPtr));
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static int EmbWinConfigure _ANSI_ARGS_((Table *tablePtr,
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TableEmbWindow *ewPtr,
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int objc, Tcl_Obj *CONST objv[]));
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static void EmbWinStructureProc _ANSI_ARGS_((ClientData clientData,
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XEvent *eventPtr));
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static void EmbWinUnmapNow _ANSI_ARGS_((Tk_Window ewTkwin,
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Tk_Window tkwin));
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static Tk_GeomMgr tableGeomType = {
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"table", /* name */
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EmbWinRequestProc, /* requestProc */
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EmbWinLostSlaveProc, /* lostSlaveProc */
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};
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/* windows subcommands */
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static CONST84 char *winCmdNames[] = {
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"cget", "configure", "delete", "move", "names", (char *) NULL
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};
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enum winCommand {
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WIN_CGET, WIN_CONFIGURE, WIN_DELETE, WIN_MOVE, WIN_NAMES
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};
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/* Flag values for "sticky"ness The 16 combinations subsume the packer's
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* notion of anchor and fill.
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*
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* STICK_NORTH This window sticks to the top of its cavity.
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* STICK_EAST This window sticks to the right edge of its cavity.
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* STICK_SOUTH This window sticks to the bottom of its cavity.
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* STICK_WEST This window sticks to the left edge of its cavity.
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*/
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#define STICK_NORTH (1<<0)
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#define STICK_EAST (1<<1)
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#define STICK_SOUTH (1<<2)
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#define STICK_WEST (1<<3)
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/*
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* The default specification for configuring embedded windows
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* Done like this to make the command line parsing easy
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*/
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static Tk_CustomOption stickyOption = { StickyParseProc, StickyPrintProc,
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(ClientData) NULL };
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static Tk_CustomOption tagBdOpt = { TableOptionBdSet, TableOptionBdGet,
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(ClientData) BD_TABLE_WIN };
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static Tk_ConfigSpec winConfigSpecs[] = {
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{TK_CONFIG_BORDER, "-background", "background", "Background", NULL,
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Tk_Offset(TableEmbWindow, bg),
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TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK },
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{TK_CONFIG_SYNONYM, "-bd", "borderWidth", (char *)NULL, (char *)NULL, 0, 0},
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{TK_CONFIG_SYNONYM, "-bg", "background", (char *)NULL, (char *)NULL, 0, 0},
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{TK_CONFIG_CUSTOM, "-borderwidth", "borderWidth", "BorderWidth", "",
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0 /* no offset */,
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TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK, &tagBdOpt },
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{TK_CONFIG_STRING, "-create", (char *)NULL, (char *)NULL, (char *)NULL,
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Tk_Offset(TableEmbWindow, create),
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TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK },
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{TK_CONFIG_PIXELS, "-padx", (char *)NULL, (char *)NULL, (char *)NULL,
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Tk_Offset(TableEmbWindow, padX), TK_CONFIG_DONT_SET_DEFAULT },
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{TK_CONFIG_PIXELS, "-pady", (char *)NULL, (char *)NULL, (char *)NULL,
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Tk_Offset(TableEmbWindow, padY), TK_CONFIG_DONT_SET_DEFAULT },
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{TK_CONFIG_CUSTOM, "-sticky", (char *)NULL, (char *)NULL, (char *)NULL,
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Tk_Offset(TableEmbWindow, sticky), TK_CONFIG_DONT_SET_DEFAULT,
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&stickyOption},
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{TK_CONFIG_RELIEF, "-relief", "relief", "Relief", NULL,
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Tk_Offset(TableEmbWindow, relief), 0 },
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{TK_CONFIG_WINDOW, "-window", (char *)NULL, (char *)NULL, (char *)NULL,
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Tk_Offset(TableEmbWindow, tkwin),
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TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK },
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{TK_CONFIG_END, (char *)NULL, (char *)NULL, (char *)NULL,
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(char *)NULL, 0, 0 }
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};
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/*
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*----------------------------------------------------------------------
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*
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* StickyPrintProc --
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* Converts the internal boolean combination of "sticky" bits onto
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* a TCL string element containing zero or more of n, s, e, or w.
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*
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* Results:
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* A string is placed into the "result" pointer.
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*
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* Side effects:
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* none.
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*
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*----------------------------------------------------------------------
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*/
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static char *
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StickyPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr)
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ClientData clientData; /* Ignored. */
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Tk_Window tkwin; /* Window for text widget. */
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char *widgRec; /* Pointer to TkTextEmbWindow
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* structure. */
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int offset; /* Ignored. */
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Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with
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* information about how to reclaim
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* storage for return string. */
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{
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int flags = ((TableEmbWindow *) widgRec)->sticky;
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int count = 0;
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char *result = (char *) ckalloc(5*sizeof(char));
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if (flags&STICK_NORTH) result[count++] = 'n';
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if (flags&STICK_EAST) result[count++] = 'e';
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if (flags&STICK_SOUTH) result[count++] = 's';
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if (flags&STICK_WEST) result[count++] = 'w';
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*freeProcPtr = TCL_DYNAMIC;
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result[count] = '\0';
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return result;
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}
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/*
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*----------------------------------------------------------------------
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*
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* StringParseProc --
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* Converts an ascii string representing a widgets stickyness
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* into the boolean result.
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*
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* Results:
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* The boolean combination of the "sticky" bits is retuned. If an
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* error occurs, such as an invalid character, -1 is returned instead.
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*
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* Side effects:
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* none
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*
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*----------------------------------------------------------------------
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*/
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static int
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StickyParseProc(clientData, interp, tkwin, value, widgRec, offset)
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ClientData clientData; /* Not used.*/
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Tcl_Interp *interp; /* Used for reporting errors. */
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Tk_Window tkwin; /* Window for text widget. */
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CONST84 char *value; /* Value of option. */
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char *widgRec; /* Pointer to TkTextEmbWindow
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* structure. */
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int offset; /* Offset into item (ignored). */
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{
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register TableEmbWindow *ewPtr = (TableEmbWindow *) widgRec;
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int sticky = 0;
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char c;
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while ((c = *value++) != '\0') {
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switch (c) {
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case 'n': case 'N': sticky |= STICK_NORTH; break;
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case 'e': case 'E': sticky |= STICK_EAST; break;
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case 's': case 'S': sticky |= STICK_SOUTH; break;
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case 'w': case 'W': sticky |= STICK_WEST; break;
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case ' ': case ',': case '\t': case '\r': case '\n': break;
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default:
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Tcl_AppendStringsToObj(Tcl_GetObjResult(interp),
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"bad sticky value \"", --value,
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"\": must contain n, s, e or w",
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(char *) NULL);
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return TCL_ERROR;
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}
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}
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ewPtr->sticky = sticky;
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return TCL_OK;
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}
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/*
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* ckallocs space for a new embedded window structure and clears the structure
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* returns the pointer to the new structure
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*/
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static TableEmbWindow *
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TableNewEmbWindow(Table *tablePtr)
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{
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TableEmbWindow *ewPtr = (TableEmbWindow *) ckalloc(sizeof(TableEmbWindow));
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memset((VOID *) ewPtr, 0, sizeof(TableEmbWindow));
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/*
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* Set the values that aren't 0/NULL by default
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*/
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ewPtr->tablePtr = tablePtr;
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ewPtr->relief = -1;
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ewPtr->padX = -1;
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ewPtr->padY = -1;
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return ewPtr;
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}
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/*
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*----------------------------------------------------------------------
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*
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* EmbWinCleanup --
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* Releases resources used by an embedded window before it is freed up.
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*
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* Results:
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* Window will no longer be valid.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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static void
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EmbWinCleanup(Table *tablePtr, TableEmbWindow *ewPtr)
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{
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Tk_FreeOptions(winConfigSpecs, (char *) ewPtr, tablePtr->display, 0);
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}
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/*
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*--------------------------------------------------------------
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*
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* EmbWinDisplay --
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*
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* This procedure is invoked by TableDisplay for
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* mapping windows into cells.
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*
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* Results:
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* Displays or moves window on table screen.
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*
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* Side effects:
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* None.
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*
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*--------------------------------------------------------------
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*/
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void
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EmbWinDisplay(Table *tablePtr, Drawable window, TableEmbWindow *ewPtr,
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TableTag *tagPtr, int x, int y, int width, int height)
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{
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Tk_Window tkwin = tablePtr->tkwin;
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Tk_Window ewTkwin = ewPtr->tkwin;
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int diffx=0; /* Cavity width - slave width. */
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int diffy=0; /* Cavity hight - slave height. */
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int sticky = ewPtr->sticky;
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int padx, pady;
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if (ewPtr->bg) tagPtr->bg = ewPtr->bg;
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if (ewPtr->relief != -1) tagPtr->relief = ewPtr->relief;
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if (ewPtr->borders) {
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tagPtr->borderStr = ewPtr->borderStr;
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tagPtr->borders = ewPtr->borders;
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tagPtr->bd[0] = ewPtr->bd[0];
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tagPtr->bd[1] = ewPtr->bd[1];
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tagPtr->bd[2] = ewPtr->bd[2];
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tagPtr->bd[3] = ewPtr->bd[3];
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}
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padx = (ewPtr->padX < 0) ? tablePtr->padX : ewPtr->padX;
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pady = (ewPtr->padY < 0) ? tablePtr->padY : ewPtr->padY;
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x += padx;
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width -= padx*2;
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y += pady;
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height -= pady*2;
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if (width > Tk_ReqWidth(ewPtr->tkwin)) {
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diffx = width - Tk_ReqWidth(ewPtr->tkwin);
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width = Tk_ReqWidth(ewPtr->tkwin);
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}
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if (height > Tk_ReqHeight(ewPtr->tkwin)) {
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diffy = height - Tk_ReqHeight(ewPtr->tkwin);
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height = Tk_ReqHeight(ewPtr->tkwin);
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}
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if (sticky&STICK_EAST && sticky&STICK_WEST) {
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width += diffx;
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}
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if (sticky&STICK_NORTH && sticky&STICK_SOUTH) {
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height += diffy;
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}
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if (!(sticky&STICK_WEST)) {
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x += (sticky&STICK_EAST) ? diffx : diffx/2;
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}
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if (!(sticky&STICK_NORTH)) {
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y += (sticky&STICK_SOUTH) ? diffy : diffy/2;
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}
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/*
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* If we fall below a specific minimum width/height requirement,
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* we just unmap the window
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*/
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if (width < 2 || height < 2) {
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if (ewPtr->displayed) {
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EmbWinUnmapNow(ewTkwin, tkwin);
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}
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return;
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}
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if (tkwin == Tk_Parent(ewTkwin)) {
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if ((x != Tk_X(ewTkwin)) || (y != Tk_Y(ewTkwin))
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|| (width != Tk_Width(ewTkwin))
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|| (height != Tk_Height(ewTkwin))) {
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Tk_MoveResizeWindow(ewTkwin, x, y, width, height);
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}
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Tk_MapWindow(ewTkwin);
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} else {
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Tk_MaintainGeometry(ewTkwin, tkwin, x, y, width, height);
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}
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ewPtr->displayed = 1;
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}
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/*
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*--------------------------------------------------------------
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*
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* EmbWinUnmapNow --
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* Handles unmapping the window depending on parent.
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* tkwin should be tablePtr->tkwin.
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* ewTkwin should be ewPtr->tkwin.
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*
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* Results:
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* Removes the window.
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*
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* Side effects:
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* None.
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*
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*--------------------------------------------------------------
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*/
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static void
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EmbWinUnmapNow(Tk_Window ewTkwin, Tk_Window tkwin)
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{
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if (tkwin != Tk_Parent(ewTkwin)) {
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Tk_UnmaintainGeometry(ewTkwin, tkwin);
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}
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Tk_UnmapWindow(ewTkwin);
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}
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/*
|
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*--------------------------------------------------------------
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*
|
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* EmbWinUnmap --
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* This procedure is invoked by TableAdjustParams for
|
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* unmapping windows managed moved offscreen.
|
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* rlo, ... should be in real coords.
|
||||
*
|
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* Results:
|
||||
* None.
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||||
*
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||||
* Side effects:
|
||||
* Unmaps embedded windows.
|
||||
*
|
||||
*--------------------------------------------------------------
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||||
*/
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void
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EmbWinUnmap(Table *tablePtr, int rlo, int rhi, int clo, int chi)
|
||||
{
|
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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;
|
||||
CONST84 char **argv;
|
||||
|
||||
oldWindow = ewPtr->tkwin;
|
||||
|
||||
/* Stringify */
|
||||
argv = (CONST84 char **) ckalloc((objc + 1) * sizeof(char *));
|
||||
for (i = 0; i < objc; i++)
|
||||
argv[i] = Tcl_GetString(objv[i]);
|
||||
argv[i] = NULL;
|
||||
result = Tk_ConfigureWidget(interp, tablePtr->tkwin,
|
||||
winConfigSpecs, objc, argv, (char *) ewPtr,
|
||||
TK_CONFIG_ARGV_ONLY);
|
||||
ckfree((char *) argv);
|
||||
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),
|
||||
(char *)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, "\"", (char *) 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]), "\"", (char *)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_SetObjResult(interp, TableCellSortObj(interp, objPtr));
|
||||
break;
|
||||
}
|
||||
}
|
||||
return TCL_OK;
|
||||
}
|
||||
Reference in New Issue
Block a user