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C/C++ Source or Header  |  1992-06-26  |  3.9 KB  |  124 lines
  1. /* -------------- combobox.c -------------- */
  2.  
  3. #include "dflat.h"
  4.  
  5. int ListProc(WINDOW, MESSAGE, PARAM, PARAM);
  6.  
  7. int ComboProc(WINDOW wnd, MESSAGE msg, PARAM p1, PARAM p2)
  8. {
  9.     switch (msg)    {
  10.         case CREATE_WINDOW:
  11.             wnd->extension = CreateWindow(
  12.                         LISTBOX,
  13.                         NULL,
  14.                         wnd->rc.lf,wnd->rc.tp+1,
  15.                         wnd->ht-1, wnd->wd+1,
  16.                         NULL,
  17.                         GetParent(wnd),
  18.                         ListProc,
  19.                         HASBORDER | NOCLIP | SAVESELF);
  20.             ((WINDOW)(wnd->extension))->ct->command =
  21.                                         wnd->ct->command;
  22.             wnd->ht = 1;
  23.             wnd->rc.bt = wnd->rc.tp;
  24.             break;
  25.         case PAINT:
  26.             foreground = WndBackground(wnd);
  27.             background = WndForeground(wnd);
  28.             wputch(wnd, DOWNSCROLLBOX, WindowWidth(wnd), 0);
  29.             break;
  30.         case KEYBOARD:
  31.             if ((int)p1 == DN)    {
  32.                 SendMessage(wnd->extension, SETFOCUS, TRUE, 0);
  33.                 return TRUE;
  34.             }
  35.             break;
  36.         case LEFT_BUTTON:
  37.             if ((int)p1 == GetRight(wnd) + 1)
  38.                 SendMessage(wnd->extension, SETFOCUS, TRUE, 0);
  39.             break;
  40.         case CLOSE_WINDOW:
  41.             SendMessage(wnd->extension, CLOSE_WINDOW, 0, 0);
  42.             break;
  43.         default:
  44.             break;
  45.     }
  46.     return BaseWndProc(COMBOBOX, wnd, msg, p1, p2);
  47. }
  48.  
  49. int ListProc(WINDOW wnd, MESSAGE msg, PARAM p1, PARAM p2)
  50. {
  51.     DBOX *db = GetParent(wnd)->extension;
  52.     WINDOW cwnd = ControlWindow(db, wnd->ct->command);
  53.     char text[130];
  54.     int rtn;
  55.     WINDOW currFocus;
  56.     switch (msg)    {
  57.         case CREATE_WINDOW:
  58.             wnd->ct = DFmalloc(sizeof(CTLWINDOW));
  59.             wnd->ct->setting = OFF;
  60.             wnd->WindowColors[FRAME_COLOR][FG] = 
  61.                 wnd->WindowColors[STD_COLOR][FG];
  62.             wnd->WindowColors[FRAME_COLOR][BG] = 
  63.                 wnd->WindowColors[STD_COLOR][BG];
  64.             break;
  65.         case SETFOCUS:
  66.             if ((int)p1 == FALSE)    {
  67.                 SendMessage(wnd, HIDE_WINDOW, 0, 0);
  68.                 wnd->ct->setting = OFF;
  69.             }
  70.             else 
  71.                 wnd->ct->setting = ON;
  72.             break;
  73.         case SHOW_WINDOW:
  74.             if (wnd->ct->setting == OFF)
  75.                 return TRUE;
  76.             break;
  77.         case BORDER:
  78.             currFocus = inFocus;
  79.             inFocus = NULL;
  80.             rtn = DefaultWndProc(wnd, msg, p1, p2);
  81.             inFocus = currFocus;
  82.             return rtn;
  83.         case LB_SELECTION:
  84.             rtn = DefaultWndProc(wnd, msg, p1, p2);
  85.             SendMessage(wnd, LB_GETTEXT,
  86.                             (PARAM) text, wnd->selection);
  87.             PutItemText(GetParent(wnd), wnd->ct->command, text);
  88.             SendMessage(cwnd, PAINT, 0, 0);
  89.             cwnd->TextChanged = TRUE;
  90.             return rtn;
  91.         case KEYBOARD:
  92.             switch ((int) p1)    {
  93.                 case ESC:
  94.                 case FWD:
  95.                 case BS:
  96.                     SendMessage(cwnd, SETFOCUS, TRUE, 0);
  97.                     return TRUE;
  98.                 default:
  99.                     break;
  100.             }
  101.             break;
  102.         case LB_CHOOSE:
  103.             SendMessage(cwnd, SETFOCUS, TRUE, 0);
  104.             return TRUE;
  105.         case CLOSE_WINDOW:
  106.             if (wnd->ct != NULL)
  107.                 free(wnd->ct);
  108.             wnd->ct = NULL;
  109.             break;
  110.         default:
  111.             break;
  112.     }
  113.     return DefaultWndProc(wnd, msg, p1, p2);
  114. }
  115.  
  116. void PutComboListText(WINDOW wnd, enum commands cmd, char *text)
  117. {
  118.     CTLWINDOW *ct = FindCommand(wnd->extension, cmd, COMBOBOX);
  119.     if (ct != NULL)        {
  120.         WINDOW lwnd = ((WINDOW)(ct->wnd))->extension;
  121.         SendMessage(lwnd, ADDTEXT, (PARAM) text, 0);
  122.     }
  123. }
  124.