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/*
* ic.cc -- functions to handle stuff in the IC window
*/
#include "picsim.hh"
static GC ic_gc = None;
static XFontStruct *ic_font;
void
ic_refresh( Widget w, XEvent *ev, String *prms, Cardinal *nprm )
{
XGCValues xgcv;
Dimension w_height, w_width;
Dimension ic_height, ic_width, pin_len, pin_loc, pin_dv;
int i, j, k;
pins_info *p;
SimAR a;
if (ic_gc == None) {
Pixel fg, bg;
XtVaGetValues( W.ic,
XtNforeground, &fg,
XtNbackground, &bg,
XtNfont, &ic_font,
NULL );
xgcv.foreground = fg;
xgcv.background = bg;
xgcv.font = ic_font->fid;
ic_gc = XCreateGC( XtDisplay(W.ic), XtWindow(W.ic),
GCForeground | GCBackground | GCFont,
&xgcv );
}
a = Pic.simulate( GetPins, a );
p = (pins_info *)a.p;
if (!p || !p->npins) return;
XtVaGetValues( W.ic,
XtNheight, &w_height,
XtNwidth, &w_width,
NULL );
pin_dv = w_height / (p->npins / 2 + 2);
if (pin_dv > 20) pin_dv = 20;
ic_height = pin_dv * p->npins / 2;
ic_width = ic_height * 2 / 3;
if (ic_width < 8 || ic_width > w_width)
ic_width = 4 * w_width / 5;
XDrawRectangle( XtDisplay(W.ic), XtWindow(W.ic), ic_gc,
(w_width - ic_width) / 2,
(w_height - ic_height) / 2,
ic_width,
ic_height );
pin_len = (w_width - ic_width) / 4;
if (pin_len >16) pin_len = 16;
pin_loc = (w_height - ic_height + pin_dv) / 2;
for (i = 0; i < p->npins / 2; i++) {
XDrawLine( XtDisplay(W.ic), XtWindow(W.ic), ic_gc,
(w_width - ic_width) / 2,
pin_loc,
(w_width - ic_width) / 2 - pin_len,
pin_loc );
XDrawImageString( XtDisplay(W.ic), XtWindow(W.ic), ic_gc,
(w_width - ic_width) / 2 + 2,
pin_loc + ic_font->ascent / 2,
p->pins[i].pin_name,
strlen( p->pins[i].pin_name ) );
XDrawLine( XtDisplay(w), XtWindow(w), ic_gc,
(w_width + ic_width) / 2,
pin_loc,
(w_width + ic_width) / 2 + pin_len,
pin_loc );
j = strlen( p->pins[p->npins - i - 1].pin_name );
k = XTextWidth( ic_font, p->pins[p->npins - i - 1].pin_name, j );
XDrawImageString( XtDisplay(W.ic), XtWindow(W.ic), ic_gc,
(w_width + ic_width) / 2 - k,
pin_loc + ic_font->ascent / 2,
p->pins[p->npins - i - 1].pin_name, j );
pin_loc += pin_dv;
}
ic_update( );
}
void
ic_update( void )
{
XGCValues xgcv;
Dimension w_height, w_width;
Dimension ic_height, ic_width, pin_len, pin_loc, pin_dv;
int i, j;
pins_info *p;
SimAR a;
Pixmap arrow;
a = Pic.simulate( GetPins, a );
p = (pins_info *)a.p;
if (!p || !p->npins) return;
XtVaGetValues( W.ic,
XtNheight, &w_height,
XtNwidth, &w_width,
NULL );
pin_dv = w_height / (p->npins / 2 + 2);
if (pin_dv > 20) pin_dv = 20;
ic_height = pin_dv * p->npins / 2;
ic_width = ic_height * 2 / 3;
if (ic_width < 8 || ic_width > w_width)
ic_width = 4 * w_width / 5;
pin_len = (w_width - ic_width) / 4;
if (pin_len >16) pin_len = 16;
pin_loc = (w_height - ic_height + pin_dv) / 2;
for (i = 0; i < p->npins / 2; i++) {
if (p->pins[i].io == 0) arrow = Options.right_hollow;
else
if (p->pins[i].io == 1) arrow = Options.left_pointer;
else
arrow = None;
if (arrow != None) {
xgcv.foreground = ((p->pins[i].hi)
? Options.led_on
: Options.led_off);
XChangeGC( XtDisplay(W.ic), ic_gc, GCForeground, &xgcv );
XCopyPlane( XtDisplay(W.ic), arrow, XtWindow(W.ic),
ic_gc, 0, 0, 8, 8,
(w_width - ic_width) / 2 - pin_len - 2,
pin_loc - 3, 1 );
}
j = p->npins - i - 1;
if (p->pins[j].io == 0) arrow = Options.left_hollow;
else
if (p->pins[j].io == 1) arrow = Options.right_pointer;
else
arrow = None;
if (arrow != None) {
xgcv.foreground = ((p->pins[j].hi)
? Options.led_on
: Options.led_off);
XChangeGC( XtDisplay(W.ic), ic_gc, GCForeground, &xgcv );
XCopyPlane( XtDisplay(W.ic), arrow, XtWindow(W.ic),
ic_gc, 0, 0, 8, 8,
(w_width + ic_width) / 2 + pin_len + 1,
pin_loc - 3, 1 );
}
pin_loc += pin_dv;
}
}
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