SGI Developer Toolbox 6.1/SGI Developer Toolbox 6.1 - Disc 4.iso/src/exampleCode/viewkit/VCal/OverviewDay.c++

C/C++ Source or Header | 1994-08-02 | 5.3 KB | 202 lines

/*
 * Copyright (C) 1994, Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
 * the contents of this file may not be disclosed to third parties, copied or
 * duplicated in any form, in whole or in part, without the prior written
 * permission of Silicon Graphics, Inc.
 *
 * RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to restrictions
 * as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
 * and Computer Software clause at DFARS 252.227-7013, and/or in similar or
 * successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
 * rights reserved under the Copyright Laws of the United States.
 */
#include <stdio.h>
#include "OverviewDay.h"
#include "VCal.h"
#include "DayView.h"
#include "Entry.h"
#include "Info.h"

#include <Xm/DrawingA.h>

static int count;
static Arg args[10];

OverviewDay::OverviewDay(char *name, Widget parent, VCal *o)
: VkComponent(name)
{
  XGCValues gcv;

  owner = o;

  day = month = year = 0;
  today = False;
  start = stop = 0;

  count = 0;
  XtSetArg(args[count], XmNbackground, owner->normalColor());  count++;
  XtSetArg(args[count], XmNborderColor, owner->nonHighlightColor());  count++;
  _baseWidget = XmCreateDrawingArea(parent, name, args, count);
  XtAddCallback(_baseWidget, XmNexposeCallback,
        OverviewDay::area_expose, (XtPointer) this);
  XtAddCallback(_baseWidget, XmNinputCallback,
        OverviewDay::area_input, (XtPointer) this);

  gcv.foreground = owner->foregroundColor();
  gcv.background = owner->normalColor();
  gcLabel = XtGetGC(_baseWidget, GCForeground | GCBackground, &gcv);
  gcv.foreground = owner->foregroundColor();
  gcv.background = owner->annotateColor();
  gcv.stipple = owner->getTile();
  gcv.fill_style = FillOpaqueStippled;
  gcAnnotate = XtGetGC(_baseWidget,
               GCForeground | GCBackground | GCStipple | GCFillStyle,
               &gcv);
}

OverviewDay::~OverviewDay()
{
  XtRemoveCallback(_baseWidget, XmNexposeCallback,
           OverviewDay::area_expose, (XtPointer) this);
  XtRemoveCallback(_baseWidget, XmNinputCallback,
           OverviewDay::area_input, (XtPointer) this);
  XtReleaseGC(_baseWidget, gcLabel);
  XtReleaseGC(_baseWidget, gcAnnotate);
}

const char *
OverviewDay::className()
{
  return "OverviewDay";
}

/**********************************************************************/

void
OverviewDay::setDate(int d, int m, int y, Boolean t, int s1, int s2)
{
  day = d;
  month = m;
  year = y;
  today = t;
  start = s1;
  stop = s2;
  display();
}

/**********************************************************************/

void
OverviewDay::display()
{
  char str[256];
  XmString xs;
  MemoryInfo *info;
  Entry *entry;
  RepeatingEntry *rentry;

  if (XtWindow(_baseWidget)) {
    count = 0;
    XtSetArg(args[count], XmNwidth, &width);  count++;
    XtSetArg(args[count], XmNheight, &height);  count++;
    XtGetValues(_baseWidget, args, count);
    XClearWindow(XtDisplay(_baseWidget), XtWindow(_baseWidget));
    if (day && month && year) {
      count = 0;
      if (today) {
    XtSetArg(args[count], XmNborderColor,
         owner->foregroundColor());  count++;
      } else {
    XtSetArg(args[count], XmNborderColor,
         owner->nonHighlightColor());  count++;
      }
      XtSetValues(_baseWidget, args, count);
      info = owner->findDateInfo(day, month, year);
      if (info) {
    info->rewind();
    while (entry = info->nextEntry()) {
      displayEntry(entry);
    }
      }
      rentry = owner->getRepeatingEntries();
      while (rentry->next()) {
    rentry = rentry->next();
    if (rentry->repeatApplies(day, month, year)) {
      displayEntry(rentry);
    }
      }

      sprintf(str, "%d", day);
      xs = XmStringCreateSimple(str);
      XmStringDrawImage(XtDisplay(_baseWidget), XtWindow(_baseWidget),
            owner->getLabelFont(), xs, gcLabel,
            0, 2, XmStringWidth(owner->getLabelFont(), xs)+8,
            XmALIGNMENT_CENTER, XmSTRING_DIRECTION_R_TO_L, NULL);
    } else {
      count = 0;
      XtSetArg(args[count], XmNborderColor,
           owner->normalColor());  count++;
      XtSetValues(_baseWidget, args, count);
    }
  }
}

void
OverviewDay::displayEntry(Entry *entry)
{
  int y, h;
  float total;

  total = stop-start;
  y = (int) (0.5+height*(entry->start()-start)/total);
  h = (int) (0.5+height*entry->length()/total);
  if (h > 3) {
    h -= 1;
  }
  XFillRectangle(XtDisplay(_baseWidget), XtWindow(_baseWidget),
         gcAnnotate,
         0, y, width, h);
}

void
OverviewDay::select()
{
  int nowDay, nowMonth, nowYear;

  if (day) {
    owner->selectDay(day, month, year);
    owner->getToday(&nowDay, &nowMonth, &nowYear);
    if (day == nowDay && month == nowMonth && year == nowYear) {
      owner->getDayView()->scrollToCurrentTime();
    } else {
      owner->getDayView()->scrollToBeginning();
    }
  }
}

/**********************************************************************/

void
OverviewDay::area_expose(Widget, XtPointer client_data, XtPointer)
{
  OverviewDay *obj = (OverviewDay *) client_data;

  obj->display();
}

void
OverviewDay::area_input(Widget, XtPointer client_data, XtPointer call_data)
{
  OverviewDay *obj = (OverviewDay *) client_data;
  XmDrawingAreaCallbackStruct *cb = (XmDrawingAreaCallbackStruct *) call_data;

  if (cb->event && cb->event->type == ButtonPress &&
      cb->event->xbutton.button == Button1) {
    obj->select();
  }
}