icons.c

   1 /*
   2  * icons.c
   3  * Copyright (C) 1998-2001 A.J. van Os; Released under GPL
   4  *
   5  * Description:
   6  * Update window icons
   7  */
   8
   9 #include <string.h>
  10 #include "DeskLib:Error.h"
  11 #include "DeskLib:WimpSWIs.h"
  12 #include "antiword.h"
  13
  14 void
  15 vUpdateIcon(window_handle tWindow, icon_block *pIcon)
  16 {
  17         window_redrawblock      tRedraw;
  18         BOOL            bMore;
  19
  20         tRedraw.window = tWindow;
  21         tRedraw.rect = pIcon->workarearect;
  22         Error_CheckFatal(Wimp_UpdateWindow(&tRedraw, &bMore));
  23         while (bMore) {
  24                 Error_CheckFatal(Wimp_PlotIcon(pIcon));
  25                 Error_CheckFatal(Wimp_GetRectangle(&tRedraw, &bMore));
  26         }
  27 } /* end of vUpdateIcon */
  28
  29 void
  30 vUpdateRadioButton(window_handle tWindow, icon_handle tIconNumber,
  31         BOOL bSelected)
  32 {
  33         icon_block      tIcon;
  34
  35         Error_CheckFatal(Wimp_GetIconState(tWindow, tIconNumber, &tIcon));
  36         DBG_DEC(tIconNumber);
  37         DBG_HEX(tIcon.flags.data.selected);
  38         if (bSelected == (tIcon.flags.data.selected == 1)) {
  39                 /* No update needed */
  40                 return;
  41         }
  42         Error_CheckFatal(Wimp_SetIconState(tWindow, tIconNumber,
  43                         bSelected ? 0x00200000 : 0, 0x00200000));
  44         vUpdateIcon(tWindow, &tIcon);
  45 } /* end of vUpdateRadioButton */
  46
  47 /*
  48  * vUpdateWriteable - update a writeable icon with a string
  49  */
  50 void
  51 vUpdateWriteable(window_handle tWindow, icon_handle tIconNumber,
  52         const char *szString)
  53 {
  54         icon_block      tIcon;
  55         caret_block     tCaret;
  56         int             iLen;
  57
  58         fail(szString == NULL);
  59
  60         NO_DBG_DEC(tIconNumber);
  61         NO_DBG_MSG(szString);
  62
  63         Error_CheckFatal(Wimp_GetIconState(tWindow, tIconNumber, &tIcon));
  64         NO_DBG_HEX(tIcon.flags);
  65         if (!tIcon.flags.data.text || !tIcon.flags.data.indirected) {
  66                 werr(1, "Icon %d must be indirected text", (int)tIconNumber);
  67                 return;
  68         }
  69         strncpy(tIcon.data.indirecttext.buffer,
  70                 szString,
  71                 tIcon.data.indirecttext.bufflen - 1);
  72         /* Ensure the caret is behind the last character of the text */
  73         Error_CheckFatal(Wimp_GetCaretPosition(&tCaret));
  74         if (tCaret.window == tWindow && tCaret.icon == tIconNumber) {
  75                 iLen = strlen(tIcon.data.indirecttext.buffer);
  76                 if (tCaret.index != iLen) {
  77                         tCaret.index = iLen;
  78                         Error_CheckFatal(Wimp_SetCaretPosition(&tCaret));
  79                 }
  80         }
  81         Error_CheckFatal(Wimp_SetIconState(tWindow, tIconNumber, 0, 0));
  82         vUpdateIcon(tWindow, &tIcon);
  83 } /* end of vUpdateWriteable */
  84
  85 /*
  86  * vUpdateWriteableNumber - update a writeable icon with a number
  87  */
  88 void
  89 vUpdateWriteableNumber(window_handle tWindow, icon_handle tIconNumber,
  90         int iNumber)
  91 {
  92         char    szTmp[1+3*sizeof(int)+1];
  93
  94         (void)sprintf(szTmp, "%d", iNumber);
  95         vUpdateWriteable(tWindow, tIconNumber, szTmp);
  96 } /* end of vUpdateWriteableNumber */