581 lines
16 KiB
C
581 lines
16 KiB
C
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/* $Id: tixHLHdr.c,v 1.3 2004/03/28 02:44:56 hobbs Exp $ */
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/*
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* tixHLHdr.c ---
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*
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*
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* Implements headers for tixHList widgets
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*
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* Copyright (c) 1996, Expert Interface Technologies
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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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*/
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#include <tixPort.h>
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#include <tixInt.h>
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#include <tixHList.h>
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#include <tixDef.h>
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static TIX_DECLARE_SUBCMD(Tix_HLHdrCreate);
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static TIX_DECLARE_SUBCMD(Tix_HLHdrConfig);
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static TIX_DECLARE_SUBCMD(Tix_HLHdrCGet);
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static TIX_DECLARE_SUBCMD(Tix_HLHdrDelete);
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static TIX_DECLARE_SUBCMD(Tix_HLHdrExist);
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static TIX_DECLARE_SUBCMD(Tix_HLHdrSize);
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static void FreeWindowItem _ANSI_ARGS_((Tcl_Interp *interp,
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WidgetPtr wPtr, HListHeader *hPtr));
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static void FreeHeader _ANSI_ARGS_((Tcl_Interp *interp,
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WidgetPtr wPtr, HListHeader *hPtr));
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static HListHeader* AllocHeader _ANSI_ARGS_((Tcl_Interp *interp,
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WidgetPtr wPtr));
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static HListHeader* Tix_HLGetHeader _ANSI_ARGS_((Tcl_Interp * interp,
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WidgetPtr wPtr, CONST84 char * string,
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int requireIPtr));
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static Tk_ConfigSpec headerConfigSpecs[] = {
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{TK_CONFIG_SYNONYM, "-bd", "borderWidth", (char *) NULL,
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(char *) NULL, 0, 0},
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{TK_CONFIG_PIXELS, "-borderwidth", "headerBorderWidth", "BorderWidth",
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DEF_HLISTHEADER_BORDER_WIDTH, Tk_Offset(HListHeader, borderWidth), 0},
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{TK_CONFIG_BORDER, "-headerbackground", "headerBackground", "Background",
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DEF_HLISTHEADER_BG_COLOR, Tk_Offset(HListHeader, background),
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TK_CONFIG_COLOR_ONLY},
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{TK_CONFIG_BORDER, "-headerbackground", "headerBackground", "Background",
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DEF_HLISTHEADER_BG_MONO, Tk_Offset(HListHeader, background),
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TK_CONFIG_MONO_ONLY},
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{TK_CONFIG_RELIEF, "-relief", "headerRelief", "Relief",
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DEF_HLISTHEADER_RELIEF, Tk_Offset(HListHeader, relief), 0},
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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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* Local functions
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*
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*----------------------------------------------------------------------
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*/
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static HListHeader*
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AllocHeader(interp, wPtr)
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Tcl_Interp *interp;
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WidgetPtr wPtr;
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{
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HListHeader * hPtr = (HListHeader*)ckalloc(sizeof(HListHeader));
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hPtr->type = HLTYPE_HEADER;
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hPtr->self = (char*)hPtr;
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hPtr->wPtr = wPtr;
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hPtr->iPtr = NULL;
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hPtr->width = 0;
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hPtr->background = NULL;
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hPtr->relief = TK_RELIEF_RAISED;
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hPtr->borderWidth = 2;
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if (Tk_ConfigureWidget(interp, wPtr->dispData.tkwin, headerConfigSpecs,
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0, 0, (char *)hPtr, 0) != TCL_OK) {
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/* some unrecoverable errors */
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return NULL;
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}
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return hPtr;
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}
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static void
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FreeWindowItem(interp, wPtr, hPtr)
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Tcl_Interp *interp;
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WidgetPtr wPtr;
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HListHeader *hPtr;
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{
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Tix_WindowItemListRemove(&wPtr->mappedWindows,
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hPtr->iPtr);
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}
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static void
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FreeHeader(interp, wPtr, hPtr)
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Tcl_Interp *interp;
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WidgetPtr wPtr;
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HListHeader *hPtr;
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{
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if (hPtr->iPtr) {
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if (Tix_DItemType(hPtr->iPtr) == TIX_DITEM_WINDOW) {
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FreeWindowItem(interp, wPtr, hPtr);
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}
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Tix_DItemFree(hPtr->iPtr);
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}
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Tk_FreeOptions(headerConfigSpecs, (char *)hPtr, wPtr->dispData.display, 0);
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ckfree((char*) hPtr);
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}
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static HListHeader*
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Tix_HLGetHeader(interp, wPtr, string, requireIPtr)
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Tcl_Interp * interp;
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WidgetPtr wPtr;
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CONST84 char * string;
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int requireIPtr;
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{
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int column;
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if (Tcl_GetInt(interp, string, &column) != TCL_OK) {
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return NULL;
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}
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if (column >= wPtr->numColumns || column < 0) {
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Tcl_AppendResult(interp, "Column \"", string,
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"\" does not exist", (char*)NULL);
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return NULL;
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}
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if (requireIPtr && wPtr->headers[column]->iPtr == NULL) {
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Tcl_AppendResult(interp, "Column \"", string,
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"\" does not have a header", (char*)NULL);
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return NULL;
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}
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return wPtr->headers[column];
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}
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int
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Tix_HLCreateHeaders(interp, wPtr)
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Tcl_Interp *interp;
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WidgetPtr wPtr;
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{
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int i;
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wPtr->headers = (HListHeader**)
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ckalloc(sizeof(HListHeader*) * wPtr->numColumns);
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for (i=0; i<wPtr->numColumns; i++) {
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wPtr->headers[i] = NULL;
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}
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for (i=0; i<wPtr->numColumns; i++) {
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if ((wPtr->headers[i] = AllocHeader(interp, wPtr)) == NULL) {
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return TCL_ERROR;
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}
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}
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wPtr->headerDirty = 1;
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return TCL_OK;
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}
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void Tix_HLFreeHeaders(interp, wPtr)
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Tcl_Interp *interp;
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WidgetPtr wPtr;
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{
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int i;
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if (wPtr->headers == NULL) {
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return;
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}
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for (i=0; i<wPtr->numColumns; i++) {
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if (wPtr->headers[i] != NULL) {
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FreeHeader(interp, wPtr, wPtr->headers[i]);
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}
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}
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ckfree((char*)wPtr->headers);
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}
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void
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Tix_HLDrawHeader(wPtr, pixmap, gc, hdrX, hdrY, hdrW, hdrH, xOffset)
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WidgetPtr wPtr;
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Pixmap pixmap;
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GC gc;
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int hdrX;
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int hdrY;
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int hdrW;
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int hdrH;
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int xOffset;
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{
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int i, x, y;
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int drawnWidth; /* how much of the header have I drawn? */
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int width; /* width of the current header item */
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int winItemExtra; /* window items need a bit extra offset
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* because they must be places relative to
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* the main window, not the header subwindow
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*/
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x = hdrX - xOffset;
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y = hdrY;
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drawnWidth = 0;
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winItemExtra = wPtr->borderWidth + wPtr->highlightWidth;
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if (wPtr->needToRaise) {
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/* the needToRaise flag is set every time a new window item is
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* created inside the header of the HList.
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*
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* We need to make sure that the windows items in the list
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* body are clipped by the header subwindow. However, the window
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* items inside the header should be over the header subwindow.
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*
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* The two XRaiseWindow calls in this function make sure that
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* the stacking relationship as described above always hold
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*/
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XRaiseWindow(Tk_Display(wPtr->headerWin),
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Tk_WindowId(wPtr->headerWin));
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}
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for (i=0; i<wPtr->numColumns; i++) {
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HListHeader * hPtr = wPtr->headers[i];
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width = wPtr->actualSize[i].width;
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if (i == wPtr->numColumns-1) {
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/* If the widget is wider than required,
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* We need to extend the last item to the end of the list,
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* or otherwise we'll see a curtailed header
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*/
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if (drawnWidth + width <hdrW) {
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width = hdrW - drawnWidth;
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}
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}
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Tk_Fill3DRectangle(wPtr->dispData.tkwin, pixmap, hPtr->background,
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x, y, width, wPtr->headerHeight, hPtr->borderWidth,
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hPtr->relief);
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/* Note when we draw the item, we use the
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* wPtr->actualSize[i].width instead of the (possibly extended) width
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* so that the header is well-aligned with the element columns.
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*/
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if (hPtr->iPtr) {
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int itemX, itemY;
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itemX = x+hPtr->borderWidth;
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itemY = y+hPtr->borderWidth;
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if (Tix_DItemType(hPtr->iPtr) == TIX_DITEM_WINDOW) {
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itemX += winItemExtra;
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itemY += winItemExtra;
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}
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Tix_DItemDisplay(pixmap, hPtr->iPtr,
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itemX, itemY,
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wPtr->actualSize[i].width - 2*hPtr->borderWidth,
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wPtr->headerHeight - 2*hPtr->borderWidth,
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0, 0,
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TIX_DITEM_NORMAL_FG);
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if (wPtr->needToRaise &&
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Tix_DItemType(hPtr->iPtr) == TIX_DITEM_WINDOW) {
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TixWindowItem * wiPtr;
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wiPtr = (TixWindowItem *)hPtr->iPtr;
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if (Tk_WindowId(wiPtr->tkwin) == None) {
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Tk_MakeWindowExist(wiPtr->tkwin);
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}
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XRaiseWindow(Tk_Display(wiPtr->tkwin),
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Tk_WindowId(wiPtr->tkwin));
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}
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}
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x += width;
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drawnWidth += width;
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#if 0
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/* %% funny, doesn't work */
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if (drawnWidth >= hdrW) {
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/* The rest is invisible. Don't bother to draw */
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break;
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}
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#endif
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}
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wPtr->needToRaise = 0;
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}
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void Tix_HLComputeHeaderGeometry(wPtr)
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WidgetPtr wPtr;
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{
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int i;
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wPtr->headerHeight = 0;
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for (i=0; i<wPtr->numColumns; i++) {
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int height;
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int width;
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if (wPtr->headers[i]->iPtr) {
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width = Tix_DItemWidth (wPtr->headers[i]->iPtr);
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height = Tix_DItemHeight(wPtr->headers[i]->iPtr);
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} else {
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width = 0;
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height = 0;
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}
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width += wPtr->headers[i]->borderWidth * 2;
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height += wPtr->headers[i]->borderWidth * 2;
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wPtr->headers[i]->width = width;
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if (height > wPtr->headerHeight) {
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wPtr->headerHeight = height;
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}
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}
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wPtr->headerDirty = 0;
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}
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/*----------------------------------------------------------------------
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* "header" sub command
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*----------------------------------------------------------------------
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*/
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int
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Tix_HLHeader(clientData, interp, argc, argv)
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ClientData clientData;
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Tcl_Interp *interp; /* Current interpreter. */
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int argc; /* Number of arguments. */
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CONST84 char **argv; /* Argument strings. */
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{
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static Tix_SubCmdInfo subCmdInfo[] = {
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{TIX_DEFAULT_LEN, "cget", 2, 2, Tix_HLHdrCGet,
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"column option"},
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{TIX_DEFAULT_LEN, "configure", 1, TIX_VAR_ARGS, Tix_HLHdrConfig,
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"column ?option? ?value ...?"},
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{TIX_DEFAULT_LEN, "create", 1, TIX_VAR_ARGS, Tix_HLHdrCreate,
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"column ?option value ...?"},
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{TIX_DEFAULT_LEN, "delete", 1, 1, Tix_HLHdrDelete,
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"column"},
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{TIX_DEFAULT_LEN, "exist", 1, 1, Tix_HLHdrExist,
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"column"},
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{TIX_DEFAULT_LEN, "size", 1, 1, Tix_HLHdrSize,
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"column"},
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};
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static Tix_CmdInfo cmdInfo = {
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Tix_ArraySize(subCmdInfo), 1, TIX_VAR_ARGS, "?option? ?arg ...?",
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};
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return Tix_HandleSubCmds(&cmdInfo, subCmdInfo, clientData,
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interp, argc+1, argv-1);
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}
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/*----------------------------------------------------------------------
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* "header cget" sub command
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*----------------------------------------------------------------------
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*/
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static int
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Tix_HLHdrCGet(clientData, interp, argc, argv)
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ClientData clientData;
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Tcl_Interp *interp; /* Current interpreter. */
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int argc; /* Number of arguments. */
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CONST84 char **argv; /* Argument strings. */
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{
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WidgetPtr wPtr = (WidgetPtr) clientData;
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HListHeader * hPtr;
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if ((hPtr=Tix_HLGetHeader(interp, wPtr, argv[0], 1)) == NULL) {
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return TCL_ERROR;
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}
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return Tix_ConfigureValue2(interp, wPtr->dispData.tkwin,
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(char*)hPtr, headerConfigSpecs, hPtr->iPtr, argv[1], 0);
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}
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/*----------------------------------------------------------------------
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* "header configure" sub command
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*----------------------------------------------------------------------
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*/
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static int
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Tix_HLHdrConfig(clientData, interp, argc, argv)
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ClientData clientData;
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Tcl_Interp *interp; /* Current interpreter. */
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int argc; /* Number of arguments. */
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CONST84 char **argv; /* Argument strings. */
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{
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WidgetPtr wPtr = (WidgetPtr) clientData;
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HListHeader * hPtr;
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if ((hPtr=Tix_HLGetHeader(interp, wPtr, argv[0], 1)) == NULL) {
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return TCL_ERROR;
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}
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if (argc == 1) {
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return Tix_ConfigureInfo2(interp, wPtr->dispData.tkwin,
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(char*)hPtr, headerConfigSpecs, hPtr->iPtr,
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(char *) NULL, 0);
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} else if (argc == 2) {
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return Tix_ConfigureInfo2(interp, wPtr->dispData.tkwin,
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(char*)hPtr, headerConfigSpecs, hPtr->iPtr,
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(char *) argv[1], 0);
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} else {
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int sizeChanged = 0;
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if (Tix_WidgetConfigure2(interp, wPtr->dispData.tkwin,
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(char*)hPtr, headerConfigSpecs, hPtr->iPtr,
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argc-1, argv+1, TK_CONFIG_ARGV_ONLY, 0, &sizeChanged) != TCL_OK) {
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return TCL_ERROR;
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}
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if (sizeChanged) {
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wPtr->headerDirty = 1;
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Tix_HLResizeWhenIdle(wPtr);
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}
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return TCL_OK;
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}
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}
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/*----------------------------------------------------------------------
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* "header create" sub command
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*----------------------------------------------------------------------
|
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*/
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static int
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Tix_HLHdrCreate(clientData, interp, argc, argv)
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ClientData clientData;
|
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Tcl_Interp *interp; /* Current interpreter. */
|
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int argc; /* Number of arguments. */
|
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CONST84 char **argv; /* Argument strings. */
|
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{
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WidgetPtr wPtr = (WidgetPtr) clientData;
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HListHeader * hPtr;
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int i;
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Tix_DItem * iPtr;
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CONST84 char * ditemType = NULL;
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|
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if ((hPtr=Tix_HLGetHeader(interp, wPtr, argv[0], 0)) == NULL) {
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return TCL_ERROR;
|
||
}
|
||
|
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if ((argc %2) == 0) {
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Tcl_AppendResult(interp, "value for \"", argv[argc-1],
|
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"\" missing", NULL);
|
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return TCL_ERROR;
|
||
}
|
||
for (i=1; i<argc; i+=2) {
|
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if (strncmp(argv[i], "-itemtype", strlen(argv[i])) == 0) {
|
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ditemType = argv[i+1];
|
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}
|
||
}
|
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if (ditemType == NULL) {
|
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ditemType = wPtr->diTypePtr->name;
|
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}
|
||
|
||
iPtr = Tix_DItemCreate(&wPtr->dispData, ditemType);
|
||
if (iPtr == NULL) {
|
||
return TCL_ERROR;
|
||
}
|
||
if (Tix_DItemType(iPtr) == TIX_DITEM_WINDOW) {
|
||
wPtr->needToRaise = 1;
|
||
}
|
||
|
||
/*
|
||
* mark clientData to NULL. This will tell DItemSizeChanged()
|
||
* that ths item belongs to the header
|
||
*/
|
||
iPtr->base.clientData = (ClientData)hPtr;
|
||
|
||
if (hPtr->iPtr != NULL) {
|
||
if (Tix_DItemType(hPtr->iPtr) == TIX_DITEM_WINDOW) {
|
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FreeWindowItem(interp, wPtr, hPtr);
|
||
}
|
||
Tix_DItemFree(hPtr->iPtr);
|
||
}
|
||
hPtr->iPtr = iPtr;
|
||
|
||
if (Tix_WidgetConfigure2(wPtr->dispData.interp, wPtr->dispData.tkwin,
|
||
(char*)hPtr, headerConfigSpecs, hPtr->iPtr, argc-1, argv+1, 0,
|
||
1, NULL) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
|
||
wPtr->headerDirty = 1;
|
||
Tix_HLResizeWhenIdle(wPtr);
|
||
|
||
return TCL_OK;
|
||
}
|
||
/*----------------------------------------------------------------------
|
||
* "header delete" sub command
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
static int
|
||
Tix_HLHdrDelete(clientData, interp, argc, argv)
|
||
ClientData clientData;
|
||
Tcl_Interp *interp; /* Current interpreter. */
|
||
int argc; /* Number of arguments. */
|
||
CONST84 char **argv; /* Argument strings. */
|
||
{
|
||
WidgetPtr wPtr = (WidgetPtr) clientData;
|
||
HListHeader * hPtr;
|
||
|
||
if ((hPtr=Tix_HLGetHeader(interp, wPtr, argv[0], 1)) == NULL) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
if (Tix_DItemType(hPtr->iPtr) == TIX_DITEM_WINDOW) {
|
||
FreeWindowItem(interp, wPtr, hPtr);
|
||
}
|
||
|
||
/* Free the item and leave a blank! */
|
||
Tix_DItemFree(hPtr->iPtr);
|
||
hPtr->iPtr = NULL;
|
||
|
||
wPtr->headerDirty = 1;
|
||
Tix_HLResizeWhenIdle(wPtr);
|
||
|
||
return TCL_OK;
|
||
}
|
||
/*----------------------------------------------------------------------
|
||
* "header exist" sub command
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
static int
|
||
Tix_HLHdrExist(clientData, interp, argc, argv)
|
||
ClientData clientData;
|
||
Tcl_Interp *interp; /* Current interpreter. */
|
||
int argc; /* Number of arguments. */
|
||
CONST84 char **argv; /* Argument strings. */
|
||
{
|
||
WidgetPtr wPtr = (WidgetPtr) clientData;
|
||
HListHeader * hPtr;
|
||
|
||
if ((hPtr=Tix_HLGetHeader(interp, wPtr, argv[0], 0)) == NULL) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
if (hPtr->iPtr == NULL) {
|
||
Tcl_AppendResult(interp, "0", NULL);
|
||
} else {
|
||
Tcl_AppendResult(interp, "1", NULL);
|
||
}
|
||
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*----------------------------------------------------------------------
|
||
* "header size" sub command
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
static int
|
||
Tix_HLHdrSize(clientData, interp, argc, argv)
|
||
ClientData clientData;
|
||
Tcl_Interp *interp; /* Current interpreter. */
|
||
int argc; /* Number of arguments. */
|
||
CONST84 char **argv; /* Argument strings. */
|
||
{
|
||
WidgetPtr wPtr = (WidgetPtr) clientData;
|
||
HListHeader * hPtr;
|
||
char buff[128];
|
||
|
||
if ((hPtr=Tix_HLGetHeader(interp, wPtr, argv[0], 1)) == NULL) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
if (hPtr->iPtr == NULL) {
|
||
Tcl_AppendResult(interp, "entry \"", argv[0],
|
||
"\" does not have a header", (char*)NULL);
|
||
return TCL_ERROR;
|
||
}
|
||
sprintf(buff, "%d %d",
|
||
Tix_DItemWidth(hPtr->iPtr),
|
||
Tix_DItemHeight(hPtr->iPtr));
|
||
Tcl_AppendResult(interp, buff, NULL);
|
||
return TCL_OK;
|
||
}
|