void Line(int mv)
{
int y = ToPixel(mv);
int color = GRAY(0xC0);
Graphics.Rectangle(0,y,Graphics.Width(),1,color);
DrawVoltage(mv,4,y-10,color);
}
void
OptionsUnmapCB( Widget wd, XtPointer client_data, XtPointer call_data )
{
int i;
Dimension width, height;
Widget w;
XEvent event;
#ifdef VG_TRACE
vg_TRACE_EXECUTION("main: entered OptionsUnmapCB ...");
#endif /* VG_TRACE */
/*
* simulate an exposure event over the Options pushbutton to make sure
* the pushbutton elevates. (there is a bug in the toolkit where this
* doesn't always happen on some servers)...
*/
w = options_button;
i = 0;
XtSetArg(argt[i], XmNwidth, &width ); i++;
XtSetArg(argt[i], XmNheight, &height ); i++;
XtGetValues(w, argt, i);
event.type = Expose;
event.xexpose.serial = LastKnownRequestProcessed(XtDisplay(w));
event.xexpose.send_event = True;
event.xexpose.display = XtDisplay(w);
event.xexpose.window = XtWindow(w);
event.xexpose.x = 0;
event.xexpose.y = 0;
event.xexpose.width = 1; /* one pixel seems to be good enough, */
event.xexpose.height = 1; /* but time will tell... */
#if 0
event.xexpose.width = ToPixel(matte, XmHORIZONTAL, (int)width );
event.xexpose.height = ToPixel(matte, XmVERTICAL, (int)height );
#endif
event.xexpose.count = 0;
XtDispatchEvent (&event);
}
void Sample()
{
int mv = Hardware.GetBatteryMillivolts();
int s = ToPixel(mv);
int color = GetColor(mv);
Graphics.Rectangle(_count,s-1,1,2,color);
_count++;
if (_count == Graphics.Width())
_count = 0;
Graphics.Rectangle(180,20,40,20,0xFFFF);
DrawVoltage(mv,184,24,color);
}
void
LayoutCB( Widget w, XtPointer client_data, XtPointer call_data )
{
int i, j;
Dimension width, height; /* size values returned by XtGetValues */
Dimension shadowThickness;/* size values returned by XtGetValues */
Position x, y; /* position values returned by XtGetValues */
int dpwidth, dpheight; /* JET - display w/h set according to */
int xorg, yorg; /* xinerama usage */
struct { /* position, size of widgets (pixels) */
int x, y;
int width;
int height;
} mw, pw; /* matte, logo, drop shadow, login matte
and greeting widgets */
int width1, width2; /* general width variable */
int height1; /* general height variable */
Position x1, y1; /* general position variables */
int offsety; /* general offset variable */
int shadow_offsetx; /* offset for drop shadow (pixels) */
int shadow_offsety; /* offset for drop shadow (pixels) */
int spacing; /* spacing between login & matte bottoms */
Widget buttons[4]; /* pushbutton widgets */
XtWidgetGeometry geometry; /* geometry of a widget */
int max_width; /* maximum width of a set of widgets */
int origin; /* horizontal origin for button placement */
int space; /* total available space left between buttons */
int overlap; /* possible widget overlap */
#ifdef VG_TRACE
vg_TRACE_EXECUTION("main: entered LayoutCB ...");
#endif /* VG_TRACE */
#ifdef USE_XINERAMA
/* get info on the prefered screen */
if (!_DtXineramaGetScreen(dpyinfo.DtXineramaInfo,
appInfo.xineramaPreferredScreen,
&dpwidth, &dpheight, &xorg, &yorg))
{ /* no joy here either - setup for normal */
dpwidth = dpyinfo.width;
dpheight = dpyinfo.height;
xorg = yorg = 0;
}
#else /* no Xinerama */
dpwidth = dpyinfo.width;
dpheight = dpyinfo.height;
xorg = yorg = 0;
#endif
/*
* - squeeze dialog to fit onto screen (if necessary)
*/
i = 0;
XtSetArg(argt[i], XmNwidth, &width ); i++;
XtGetValues(matte, argt, i);
mw.width = ToPixel(matte, XmHORIZONTAL, (int)width );
#define HMARGIN 4 /* min sum horizontal margin of matte */
if (mw.width+HMARGIN > dpwidth)
{
int delta = mw.width + HMARGIN - dpwidth;
/*
* Matte width greater than screen so shrink matteFrame
* and matte1 width to compensate.
*/
i=0;
XtSetArg(argt[i], XmNwidth, &width ); i++;
XtGetValues(matteFrame, argt, i);
width1 = ToPixel(matteFrame, XmHORIZONTAL, (int)width );
width1 -= delta;
width1 = FromPixel(matteFrame, XmHORIZONTAL, width1 );
i=0;
XtSetArg(argt[i], XmNwidth, width1 ); i++;
XtSetValues(matteFrame, argt, i);
width1 = dpwidth - HMARGIN;
mw.width = FromPixel(matte, XmHORIZONTAL, width1 );
i=0;
XtSetArg(argt[i], XmNwidth, mw.width ); i++;
XtSetValues(matte, argt, i);
}
/*
* - Make sure the login widgets don't overlap.
*/
if (login_form) {
i = 0;
XtSetArg(argt[i], XmNy, &y ); i++;
XtSetArg(argt[i], XmNheight, &height ); i++;
XtGetValues(greeting, argt, i);
i = 0;
XtSetArg(argt[i], XmNy, &y1 ); i++;
XtGetValues(login_form, argt, i);
overlap = y + height - y1;
if (overlap > -10) {
i = 0;
XtSetArg(argt[i], XmNbottomAttachment, XmATTACH_WIDGET); i++;
XtSetArg(argt[i], XmNbottomWidget, login_form); i++;
XtSetArg(argt[i], XmNbottomOffset, 10); i++;
XtSetValues(greeting, argt, i);
}
}
/*
* - center the main matte horizontally and vertically...
*/
i = 0;
XtSetArg(argt[i], XmNx, &x ); i++;
XtSetArg(argt[i], XmNy, &y ); i++;
XtSetArg(argt[i], XmNwidth, &width ); i++;
XtSetArg(argt[i], XmNheight, &height ); i++;
XtSetArg(argt[i], XmNshadowThickness, &shadowThickness ); i++;
XtGetValues(matte, argt, i);
mw.width = ToPixel(matte, XmHORIZONTAL, (int)width );
mw.height = ToPixel(matte, XmVERTICAL, (int)height );
mw.x = ( x > 0 ? ToPixel(matte, XmHORIZONTAL, (int) x)
: (dpwidth - mw.width)/2 );
mw.y = ( y > 0 ? ToPixel(matte, XmVERTICAL, (int) y)
: (dpheight - mw.height)/2 );
if ( mw.x < 0 ) mw.x = 0;
if ( mw.y < 0 ) mw.y = 0;
x1 = FromPixel(matte, XmHORIZONTAL, mw.x );
y1 = FromPixel(matte, XmVERTICAL, mw.y );
x1 += xorg; /* JET - adjust for xinerama */
y1 += yorg;
i = 0;
XtSetArg(argt[i], XmNx, x1 ); i++;
XtSetArg(argt[i], XmNy, y1 ); i++;
XtSetValues(matte, argt, i);
/*
* space the buttons horizontally. Start at the center of the matte
* and allow them to grow towards the edges...
*/
i = 0;
XtSetArg(argt[i], XmNwidth, &width ); i++;
XtGetValues(matte1, argt, i);
max_width = width;
i = 0;
XtSetArg(argt[i], XmNwidth, &width ); i++;
XtGetValues(clear_button, argt, i);
space = max_width - 4*width;
spacing = space/4;
if (spacing < 12) spacing = 12;
i = 0;
XtSetArg(argt[i], XmNleftAttachment, XmATTACH_FORM); i++;
XtSetArg(argt[i], XmNleftOffset, spacing/2); i++;
XtSetValues(ok_button, argt, i);
i = 0;
XtSetArg(argt[i], XmNleftAttachment, XmATTACH_WIDGET ); i++;
XtSetArg(argt[i], XmNleftWidget, ok_button); i++;
XtSetArg(argt[i], XmNleftOffset, spacing); i++;
XtSetValues(clear_button, argt, i);
i = 0;
XtSetArg(argt[i], XmNleftAttachment, XmATTACH_WIDGET ); i++;
XtSetArg(argt[i], XmNleftWidget, clear_button); i++;
XtSetArg(argt[i], XmNleftOffset, spacing); i++;
XtSetValues(options_button, argt, i);
i = 0;
XtSetArg(argt[i], XmNleftAttachment, XmATTACH_WIDGET ); i++;
XtSetArg(argt[i], XmNleftWidget, options_button); i++;
XtSetArg(argt[i], XmNleftOffset, spacing); i++;
XtSetValues(help_button, argt, i);
/*
* - adjust the copyright vertically to align top with login_matte...
*/
if (copyright_msg) {
XtQueryGeometry(copyright_msg, NULL, &geometry);
i = 0;
XtSetArg(argt[i], XmNshadowThickness, &width ); i++;
XtGetValues(copyright_msg, argt, i);
width1 = ToPixel(copyright_msg, XmHORIZONTAL, width);
width1 = (dpwidth - (int) geometry.width - 2 * width1)/2;
x1 = FromPixel(copyright_msg, XmHORIZONTAL, width1);
y1 = FromPixel(copyright_msg, XmVERTICAL, mw.y);
i = 0;
XtSetArg(argt[i], XmNdefaultPosition, False ); i++;
XtSetArg(argt[i], XmNx, x1 ); i++;
XtSetArg(argt[i], XmNy, y1 ); i++;
XtSetValues(copyright_msg, argt, i);
}
}
