examples/PIPS/antiword/src/icons.c

/*
 * icons.c
 * Copyright (C) 1998-2001 A.J. van Os; Released under GPL
 *
 * Description:
 * Update window icons
 */

#include <string.h>
#include "DeskLib:Error.h"
#include "DeskLib:WimpSWIs.h"
#include "antiword.h"

void
vUpdateIcon(window_handle tWindow, icon_block *pIcon)
{
        window_redrawblock      tRedraw;
        BOOL            bMore;

        tRedraw.window = tWindow;
        tRedraw.rect = pIcon->workarearect;
        Error_CheckFatal(Wimp_UpdateWindow(&tRedraw, &bMore));
        while (bMore) {
                Error_CheckFatal(Wimp_PlotIcon(pIcon));
                Error_CheckFatal(Wimp_GetRectangle(&tRedraw, &bMore));
        }
} /* end of vUpdateIcon */

void
vUpdateRadioButton(window_handle tWindow, icon_handle tIconNumber,
        BOOL bSelected)
{
        icon_block      tIcon;

        Error_CheckFatal(Wimp_GetIconState(tWindow, tIconNumber, &tIcon));
        DBG_DEC(tIconNumber);
        DBG_HEX(tIcon.flags.data.selected);
        if (bSelected == (tIcon.flags.data.selected == 1)) {
                /* No update needed */
                return;
        }
        Error_CheckFatal(Wimp_SetIconState(tWindow, tIconNumber,
                        bSelected ? 0x00200000 : 0, 0x00200000));
        vUpdateIcon(tWindow, &tIcon);
} /* end of vUpdateRadioButton */

/*
 * vUpdateWriteable - update a writeable icon with a string
 */
void
vUpdateWriteable(window_handle tWindow, icon_handle tIconNumber,
        const char *szString)
{
        icon_block      tIcon;
        caret_block     tCaret;
        int             iLen;

        fail(szString == NULL);

        NO_DBG_DEC(tIconNumber);
        NO_DBG_MSG(szString);

        Error_CheckFatal(Wimp_GetIconState(tWindow, tIconNumber, &tIcon));
        NO_DBG_HEX(tIcon.flags);
        if (!tIcon.flags.data.text || !tIcon.flags.data.indirected) {
                werr(1, "Icon %d must be indirected text", (int)tIconNumber);
                return;
        }
        strncpy(tIcon.data.indirecttext.buffer,
                szString,
                tIcon.data.indirecttext.bufflen - 1);
        /* Ensure the caret is behind the last character of the text */
        Error_CheckFatal(Wimp_GetCaretPosition(&tCaret));
        if (tCaret.window == tWindow && tCaret.icon == tIconNumber) {
                iLen = strlen(tIcon.data.indirecttext.buffer);
                if (tCaret.index != iLen) {
                        tCaret.index = iLen;
                        Error_CheckFatal(Wimp_SetCaretPosition(&tCaret));
                }
        }
        Error_CheckFatal(Wimp_SetIconState(tWindow, tIconNumber, 0, 0));
        vUpdateIcon(tWindow, &tIcon);
} /* end of vUpdateWriteable */

/*
 * vUpdateWriteableNumber - update a writeable icon with a number
 */
void
vUpdateWriteableNumber(window_handle tWindow, icon_handle tIconNumber,
        int iNumber)
{
        char    szTmp[1+3*sizeof(int)+1];

        (void)sprintf(szTmp, "%d", iNumber);
        vUpdateWriteable(tWindow, tIconNumber, szTmp);
} /* end of vUpdateWriteableNumber */

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