#include "xedit.h"
#include "lisp/lisp.h"
#include "lisp/xedit.h"
#include <unistd.h>
#include <locale.h>
#include <ctype.h>
#include <X11/Xaw/SmeBSB.h>
#include <X11/Xaw/SimpleMenu.h>
static void XeditDoLispEval(Widget);
static void EditModeCallback(Widget, XtPointer, XtPointer);
static int lisp_initialized;
extern Widget scratch;
static Widget edit_mode_menu, edit_mode_entry, edit_mode_none;
void
XeditLispInitialize(void)
{
setlocale(LC_NUMERIC, "C");
lisp_initialized = 1;
LispBegin();
LispXeditInitialize();
}
void
XeditLispCleanUp(void)
{
LispEnd();
}
void
XeditLispEval(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
XeditDoLispEval(messwidget);
}
void
XeditPrintLispEval(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
if (XawTextGetSource(w) == scratch) {
XtCallActionProc(w, "newline", event, params, *num_params);
XeditDoLispEval(w);
}
else
XtCallActionProc(w, "newline-and-indent", event, params, *num_params);
}
void
XeditKeyboardReset(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
XtCallActionProc(w, "keyboard-reset", event, params, *num_params);
}
void
SetTextProperties(xedit_flist_item *item)
{
if (lisp_initialized) {
Widget source = XawTextGetSource(textwindow);
XawTextPosition top = XawTextTopPosition(textwindow);
if (source != item->source)
XawTextSetSource(textwindow, item->source, 0);
XeditLispSetEditMode(item, NULL);
if (source != item->source)
XawTextSetSource(textwindow, source, top);
}
}
void
UnsetTextProperties(xedit_flist_item *item)
{
XeditLispUnsetEditMode(item);
}
static void
XeditDoLispEval(Widget output)
{
Widget src;
XawTextBlock block;
XawTextPosition position, end;
src = XawTextGetSource(textwindow);
position = XawTextGetInsertionPoint(textwindow);
--position;
while (position >= 0) {
(void)XawTextSourceRead(src, position, &block, 1);
if (!isspace(block.ptr[0]))
break;
--position;
}
end = position + 1;
if (block.ptr[0] != ')') {
while (position >= 0) {
(void)XawTextSourceRead(src, position, &block, 1);
if (isspace(block.ptr[0]) ||
block.ptr[0] == '(' ||
block.ptr[0] == ')' ||
block.ptr[0] == '"' ||
block.ptr[0] == '|')
break;
--position;
}
if (!isspace(block.ptr[0]))
++position;
}
else {
XawTextPosition last, tmp;
int level = 0;
char ptr[2];
last = position;
ptr[1] = '\0';
block.ptr = ptr;
do {
block.ptr[0] = '(';
position = XawTextSourceSearch(src, last, XawsdLeft, &block);
if (position == XawTextSearchError) {
Feep();
return;
}
block.ptr[0] = ')';
tmp = position;
do {
tmp = XawTextSourceSearch(src, tmp, XawsdRight, &block);
if (tmp == XawTextSearchError) {
Feep();
return;
}
if (tmp <= last)
++level;
} while (++tmp <= last);
--level;
last = position;
} while (level);
while (position > 0) {
(void)XawTextSourceRead(src, position - 1, &block, 1);
if (block.length != 1 ||
isspace(block.ptr[0]) ||
block.ptr[0] == ')' ||
block.ptr[0] == '"' ||
block.ptr[0] == '|')
break;
--position;
}
}
if (position < 0 || position >= end)
Feep();
else
XeditLispExecute(output, position, end);
}
void
CreateEditModePopup(Widget parent)
{
int i;
Widget sme;
static char *editModes = "editModes";
XtVaCreateManagedWidget("modeMenuItem", smeBSBObjectClass, parent,
XtNmenuName, editModes, NULL);
edit_mode_menu = XtCreatePopupShell(editModes, simpleMenuWidgetClass,
parent, NULL, 0);
XtRealizeWidget(edit_mode_menu);
edit_mode_none = XtCreateManagedWidget("none", smeBSBObjectClass,
edit_mode_menu, NULL, 0);
XtAddCallback(edit_mode_none, XtNcallback, EditModeCallback, NULL);
for (i = 0; i < num_mode_infos; i++) {
sme = XtVaCreateManagedWidget("mode", smeBSBObjectClass, edit_mode_menu,
XtNlabel, mode_infos[i].desc, NULL);
XtAddCallback(sme, XtNcallback, EditModeCallback,
(XtPointer)(mode_infos + i));
mode_infos[i].sme = sme;
}
}
void
SetEditModeMenu(void)
{
int i;
Widget old_entry = edit_mode_entry, new_entry = edit_mode_none;
xedit_flist_item *item = FindTextSource(XawTextGetSource(textwindow), NULL);
for (i = 0; i < num_mode_infos; i++) {
if (item->xldata && item->xldata->syntax &&
mode_infos[i].syntax == item->xldata->syntax) {
new_entry = mode_infos[i].sme;
break;
}
}
if (old_entry != new_entry) {
if (old_entry)
XtVaSetValues(old_entry, XtNleftBitmap, None, NULL);
XtVaSetValues(new_entry, XtNleftBitmap, flist.pixmap, NULL);
edit_mode_entry = new_entry;
}
}
static void
EditModeCallback(Widget w, XtPointer client_data, XtPointer call_data)
{
Widget source = XawTextGetSource(textwindow);
EditModeInfo *info = (EditModeInfo*)client_data;
xedit_flist_item *item = FindTextSource(source, NULL);
if ((info == NULL &&
(item->xldata == NULL || item->xldata->syntax == NULL)) ||
(info && item && item->xldata && info->syntax &&
info->syntax == item->xldata->syntax))
return;
XawTextSourceClearEntities(source,
XawTextSourceScan(source, 0, XawstAll,
XawsdLeft, 1, True),
XawTextSourceScan(source, 0, XawstAll,
XawsdRight, 1, True));
XeditLispUnsetEditMode(item);
if (info)
XeditLispSetEditMode(item, info->symbol);
else
item->properties = NULL;
UpdateTextProperties(1);
}