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/* windows - SunView window functions */
/* XLISP-STAT 2.1 Copyright (c) 1990, by Luke Tierney */
/* Additions to Xlisp 2.1, Copyright (c) 1989 by David Michael Betz */
/* You may give out copies of this software; for conditions see the */
/* file COPYING included with this distribution. */
#include "xlisp.h"
#include "xlstat.h"
#include "xlgraph.h"
/* external variables */
extern LVAL s_true, sk_update, sk_close, sk_activate, s_title, s_size,
s_location;
extern char buf[];
/* external functions */
extern LVAL list3(), xmsend(), integer_list_2(), slot_value(), list2();
/**************************************************************************/
/** **/
/** Utility Functions **/
/** **/
/**************************************************************************/
errset_applysubr(subr, args)
int (*subr)();
LVAL args;
{
CONTEXT cntxt;
int error;
/* establish an execution context */
xlbegin(&cntxt,CF_ERROR,s_true);
/* check for error */
if (setjmp(cntxt.c_jmpbuf)) error = TRUE;
else {
/* call the function */
xsapplysubr(subr, args);
error = FALSE;
}
xlend(&cntxt);
return(error);
}
errset_send(object, selector)
LVAL object, selector;
{
LVAL args;
xlsave1(args);
args = list2(object, selector);
errset_applysubr(xmsend, args);
xlpop();
}
/**************************************************************************/
/** **/
/** Window Data Functions **/
/** **/
/**************************************************************************/
LVAL get_window_object(w)
WindowPtr w;
{
WindowData data;
data = (WindowData) get_window_data(w);
if (data == NULL || ! objectp((LVAL) data->object)) return(NIL);
else return((LVAL) data->object);
}
set_window_object(w, object)
WindowPtr w;
LVAL object;
{
WindowData data;
data = (WindowData) get_window_data(w);
if (data == NULL) return;
else data->object = (char *) object;
}
sun_close_action(w)
IVIEW_WINDOW w;
{
LVAL object = get_window_object(w);
if (! objectp(object)) return;
errset_send(object, sk_close);
}
/***********************************************************************/
/** **/
/** General Window Methods Functions **/
/** **/
/***********************************************************************/
StShowWindow(w)
IVIEW_WINDOW w;
{
window_set(w, WIN_SHOW, TRUE, 0);
}
StHideWindow(w)
IVIEW_WINDOW w;
{
window_set(w, WIN_SHOW, FALSE, 0);
}
StWSetTitle(w, title)
IVIEW_WINDOW w;
char *title;
{
window_set(w, FRAME_LABEL, title, 0);
}
/**************************************************************************/
/** **/
/** Screen Info Functions **/
/** **/
/**************************************************************************/
StScreenHasColor() { return(FALSE); }
/**************************************************************************/
/** **/
/** Protected Callback Functions **/
/** **/
/**************************************************************************/
errset_window_call(subr, w)
int (*subr)();
IVIEW_WINDOW w;
{
CONTEXT cntxt;
int error;
/* establish an execution context */
xlbegin(&cntxt,CF_ERROR,s_true);
/* check for error */
if (setjmp(cntxt.c_jmpbuf)) error = TRUE;
else {
/* call the function */
(*subr)(w);
error = FALSE;
}
xlend(&cntxt);
return(error);
}
SunStGWObDoMouse(object, x, y, type, mods)
LVAL object;
int x, y;
MouseEventType type;
MouseClickModifier mods;
{
CONTEXT cntxt;
/* establish an execution context */
xlbegin(&cntxt,CF_ERROR,s_true);
/* check for error */
if (! setjmp(cntxt.c_jmpbuf)) {
/* call the function */
StGWObDoMouse(object, x, y, type, mods);
}
xlend(&cntxt);
}
sun_button_down_action(action, w, x, y)
int (*action)(), x, y;
IVIEW_WINDOW w;
{
CONTEXT cntxt;
int error;
/* establish an execution context */
xlbegin(&cntxt,CF_ERROR,s_true);
/* check for error */
if (setjmp(cntxt.c_jmpbuf)) error = TRUE;
else {
/* call the function */
if (action != NULL) (*action)(w, x, y);
error = FALSE;
}
xlend(&cntxt);
return(error);
}
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