rosapps/dflat32/barchart.c

   1 /* ------------ barchart.c ----------- */
   2 #include "dflat.h"
   3
   4 #define BCHEIGHT 12
   5 #define BCWIDTH 44
   6 #define COLWIDTH 4
   7
   8 static DFWINDOW Bwnd;
   9
  10 /* ------- project schedule array ------- */
  11 static struct ProjChart {
  12     char *prj;
  13     int start, stop;
  14 } projs[] = {
  15     {"Center St", 0,3},
  16     {"City Hall", 0,5},
  17     {"Rt 395   ", 1,4},
  18     {"Sky Condo", 2,3},
  19     {"Out Hs   ", 0,4},
  20     {"Bk Palace", 1,5}
  21 };
  22
  23 static char *Title =  "              PROJECT SCHEDULE";
  24 static char *Months = "           Jan Feb Mar Apr May Jun";
  25
  26 static int BarChartProc(DFWINDOW wnd, DFMESSAGE msg,
  27                                     DF_PARAM p1, DF_PARAM p2)
  28 {
  29     switch (msg)    {
  30         case DFM_COMMAND:
  31             if ((int)p1 == DF_ID_HELP)    {
  32                 DfDisplayHelp(wnd, "BarChart");
  33                 return TRUE;
  34             }
  35             break;
  36         case DFM_CLOSE_WINDOW:
  37             Bwnd = NULL;
  38             break;
  39         default:
  40             break;
  41     }
  42     return DfDefaultWndProc(wnd, msg, p1, p2);
  43 }
  44
  45 void BarChart(DFWINDOW pwnd)
  46 {
  47     int pct = sizeof projs / sizeof(struct ProjChart);
  48     int i;
  49
  50     if (Bwnd == NULL)    {
  51         Bwnd = DfDfCreateWindow(DF_PICTUREBOX,
  52                     "BarChart",
  53                     -1, -1, BCHEIGHT, BCWIDTH,
  54                     NULL, pwnd, BarChartProc,
  55                     DF_SHADOW     |
  56                     DF_CONTROLBOX |
  57                     DF_MOVEABLE   |
  58                     DF_HASBORDER
  59         );
  60         DfSendMessage(Bwnd, DFM_ADDTEXT, (DF_PARAM) Title, 0);
  61         DfSendMessage(Bwnd, DFM_ADDTEXT, (DF_PARAM) "", 0);
  62         for (i = 0; i < pct; i++)    {
  63             DfSendMessage(Bwnd,DFM_ADDTEXT,(DF_PARAM)projs[i].prj,0);
  64             DfDrawBar(Bwnd, DF_SOLIDBAR+(i%4),
  65                 11+projs[i].start*COLWIDTH, 2+i,
  66                 (1 + projs[i].stop-projs[i].start) * COLWIDTH,
  67                 TRUE);
  68         }
  69         DfSendMessage(Bwnd, DFM_ADDTEXT, (DF_PARAM) "", 0);
  70         DfSendMessage(Bwnd, DFM_ADDTEXT, (DF_PARAM) Months, 0);
  71         DfDrawBox(Bwnd, 10, 1, pct+2, 25);
  72     }
  73     DfSendMessage(Bwnd, DFM_SETFOCUS, TRUE, 0);
  74 }