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/* xsnamelist - XLISP interface to IVIEW dynamic graphics package. */
/* 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"
#define LIST_BOTTOM_GAP 3
#define LIST_STRINGS_VISIBLE 15
#define LIST_STRING_TEMPLATE "123456789012345678901234567890"
#define LIST_PAGE_INC 10
#define LIST_CLICK_WIDTH 1
#define LIST_CLICK_HEIGHT 1
/* external variables */
extern LVAL s_hardware_address, sk_show, sk_show_window;
/* forward declarations */
LOCAL VOID list_draw_point P3H(IVIEW_WINDOW, int, PointState);
static int list_space P1C(StGWWinInfo *, gwinfo)
{
return(StGWTextAscent(gwinfo) + StGWTextDescent(gwinfo) + LIST_BOTTOM_GAP);
}
/**************************************************************************/
/** **/
/** List Creation Functions **/
/** **/
/**************************************************************************/
LVAL iview_list_allocate(V)
{
LVAL object;
int width, height, space;
IVIEW_WINDOW w;
StGWWinInfo *gwinfo;
int show;
object = xlgaobject();
show = xsboolkey(sk_show, TRUE);
w = IViewNew(object);
gwinfo = StGWObWinInfo(object);
initialize_iview(w, object);
space = list_space(gwinfo);
width = StGWTextWidth(gwinfo, LIST_STRING_TEMPLATE);
height = LIST_STRINGS_VISIBLE * space;
StGWSetSize(gwinfo, width, height, FALSE);
StGWSetHasVscroll(gwinfo, TRUE, height);
StGWSetVscrollIncs(gwinfo, space, LIST_PAGE_INC * space);
StGrSetClickRange(gwinfo, LIST_CLICK_WIDTH, LIST_CLICK_HEIGHT);
/* use StShowWindow to show (map) window but NOT send :resize or :redraw */
if (show) StShowWindow(w);
return(object);
}
/**************************************************************************/
/** **/
/** Data Functions **/
/** **/
/**************************************************************************/
LVAL iview_list_add_points(V)
{
IVIEW_WINDOW w;
int old_n, n;
LVAL object, data;
int space;
StGWWinInfo *gwinfo;
object = xlgaobject();
w = (IVIEW_WINDOW) GETIVIEWADDRESS(object);
gwinfo = StGWObWinInfo(object);
if (IVIEW_WINDOW_NULL(w) || gwinfo == NULL) return(NIL);
old_n = IViewNumPoints(w);
data = xlgetarg();
internal_iview_add_points(w, object, data);
n = IViewNumPoints(w);
space = list_space(gwinfo);
check_add_to_screen(object, 'P', old_n, n, TRUE);
StGWSetHasVscroll(gwinfo, TRUE, n * space);
return(NIL);
}
/**************************************************************************/
/** **/
/** Drawing and Resizing Functions **/
/** **/
/**************************************************************************/
LVAL iview_list_redraw_content(V)
{
int i, n;
int left, top, width, height;
PointState state;
IVIEW_WINDOW w;
LVAL object;
StGWWinInfo *gwinfo;
object = xlgaobject();
xllastarg();
gwinfo = StGWObWinInfo(object);
w = (IVIEW_WINDOW) GETIVIEWADDRESS(object);
if (IVIEW_WINDOW_NULL(w)) return(NIL);
n = IViewNumPoints(w);
StGWGetViewRect(gwinfo, &left, &top, &width, &height);
StGWStartBuffering(gwinfo);
/*StGWEraseRect(gwinfo, left, top, width, height);*/
IViewClearContent(w);
for (i = 0; i < n; i++) {
state = IViewPointState(w, i);
if (! IViewPointMasked(w, i) && state != pointInvisible)
list_draw_point(w, i, state);
}
IViewResetScreenStates(w);
StGWBufferToScreen(gwinfo, left, top, width, height);
return(NIL);
}
/**************************************************************************/
/** **/
/** Mouse Functions **/
/** **/
/**************************************************************************/
LOCAL VOID list_draw_point P3C(IVIEW_WINDOW, w, int, i, PointState, state)
{
int left, top, width, height, space;
int color, old_color;
StGWWinInfo *gwinfo;
gwinfo = IViewWindowWinInfo(w);
StGWGetViewRect(gwinfo, &left, &top, &width, &height);
space = list_space(gwinfo);
old_color = StGWDrawColor(gwinfo);
color = IViewPointColor(w, i);
if (color != NOCOLOR) StGWSetDrawColor(gwinfo, color);
if (state == pointNormal) {
StGWEraseRect(gwinfo, 0, space * i, width, space);
StGWDrawString(gwinfo, IViewPointLabel(w, i), LIST_BOTTOM_GAP,
(i + 1) * space - LIST_BOTTOM_GAP);
}
else {
StGWPaintRect(gwinfo, 0, space * i, width, space);
StGWSetDrawColor(gwinfo, StGWBackColor(gwinfo));
StGWDrawString(gwinfo, IViewPointLabel(w, i), LIST_BOTTOM_GAP,
(i + 1) * space - LIST_BOTTOM_GAP);
}
StGWSetDrawColor(gwinfo, old_color);
IViewSetPointScreenState(w, i, state);
}
LVAL iview_list_adjust_screen_point(V)
{
LVAL object;
int point;
IVIEW_WINDOW w;
PointState state, screen_state;
object = xlgaobject();
point = getfixnum(xlgafixnum());
xllastarg();
w = (IVIEW_WINDOW) GETIVIEWADDRESS(object);
if (IVIEW_WINDOW_NULL(w)) return(NIL);
if (! IViewPointMasked(w, point)) {
state = IViewPointState(w, point);
screen_state = IViewPointScreenState(w, point);
if (state == pointInvisible || screen_state == pointInvisible) {
StGrSetDirty(StGWObWinInfo(object), TRUE);
}
else {
list_draw_point(w, point, state);
}
}
return(NIL);
}
LVAL iview_list_adjust_points_in_rect(V)
{
int i, n, in_rect, space, bottom, left, top, height, width;
PointState point_state, state;
IVIEW_WINDOW w;
LVAL object;
StGWWinInfo *gwinfo;
object = xlgaobject();
w = (IVIEW_WINDOW) GETIVIEWADDRESS(object);
gwinfo = StGWObWinInfo(object);
left = getfixnum(xlgafixnum());
top = getfixnum(xlgafixnum());
width = getfixnum(xlgafixnum());
height = getfixnum(xlgafixnum());
state = decode_point_state(xlgetarg());
xllastarg();
if (IVIEW_WINDOW_NULL(w)) return(NIL);
IViewCheckLinks(w);
n = IViewNumPoints(w);
space = list_space(gwinfo);
bottom = top + height;
if (IViewMouseMode(w) == brushing) IViewEraseBrush(w);
for (i = 0; i < n; i++) {
point_state = IViewPointState(w, i);
if (! IViewPointMasked(w, i) && point_state != pointInvisible) {
in_rect = (top < (i + 1) * space && bottom > i * space);
if (in_rect && (int) point_state < (int) state) {
IViewSetPointState(w, i, state);
}
else if (! in_rect
&& state == pointHilited && point_state == pointHilited) {
IViewSetPointState(w, i, pointNormal);
}
}
}
IViewAdjustScreens(w);
if (IViewMouseMode(w) == brushing) IViewDrawBrush(w);
return(NIL);
}
LVAL iview_list_mark_points_in_rect(V)
{
int i, n, in_rect, space, bottom, left, top, width, height;
PointState point_state;
IVIEW_WINDOW w;
LVAL object;
StGWWinInfo *gwinfo;
object = xlgaobject();
w = (IVIEW_WINDOW) GETIVIEWADDRESS(object);
gwinfo = StGWObWinInfo(object);
left = getfixnum(xlgafixnum());
top = getfixnum(xlgafixnum());
width = getfixnum(xlgafixnum());
height = getfixnum(xlgafixnum());
xllastarg();
if (IVIEW_WINDOW_NULL(w)) return(NIL);
n = IViewNumPoints(w);
space = list_space(gwinfo);
bottom = top + height;
for (i = 0; i < n; i++) {
point_state = IViewPointState(w, i);
if (! IViewPointMasked(w, i) && point_state != pointInvisible) {
in_rect = (top < (i + 1) * space && bottom > i * space);
IViewSetPointMark(w, i, in_rect);
}
}
return(NIL);
}
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