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//
// "$Id: PSEditor.cxx,v 1.3 2004/07/09 21:27:00 hofmann Exp $"
//
// PSEditor routines.
//
// Copyright 2004 by Johannes Hofmann
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
#include <errno.h>
#include <FL/fl_ask.H>
#include "PSEditor.H"
#include "Postscript.H"
PSEditor::PSEditor(int X,int Y,int W, int H) : PSEditWidget(X, Y, W, H) {
loaded = 0;
mod = 0;
}
int PSEditor::handle(int event) {
switch(event) {
case FL_PUSH:
if (!file_loaded()) {
fl_beep();
return 0;
}
mark_x = Fl::event_x()-x();
mark_y = Fl::event_y()-y();
fprintf(stderr, "==> %d %d\n", mark_x, mark_y);
if (!set_cur_text(mark_x, mark_y) == 0) {
new_text(mark_x, mark_y, "");
mod++;
}
Fl::focus(this);
return 1;
case FL_DRAG:
move(Fl::event_x()-x(), Fl::event_y()-y());
mod++;
return 1;
case FL_KEYBOARD:
{
int del;
int key = Fl::event_key();
if (key == FL_BackSpace) {
rm_char();
mod++;
} else if (Fl::compose(del)) {
if (del > 0) {
for (int i=0; i<del; i++) rm_char();
mod++;
}
if (Fl::event_length()) {
append_text(Fl::event_text());
mod++;
}
} else {
return 0;
}
return 1;
}
case FL_FOCUS:
return 1;
case FL_UNFOCUS:
return 0;
}
return 0;
}
int PSEditor::modified() {
return mod;
}
int PSEditor::file_loaded() {
return loaded;
}
int PSEditor::load(char *f) {
FILE *fp = fopen(f, "r");
char tmpname[256];
char linebuf[1024];
int size, ret, ret1, ret2;
PSParser *p1 = new PSParser_1(this);
PSParser *p2 = new PSParser_2(this);
strncpy(tmpname, "/tmp/PSEditorXXXXXX", 256);
tmp_fd = mkstemp(tmpname);
if (tmp_fd < 0) {
fprintf(stderr, "Could not create temporary file (errno %d).\n", errno);
return 1;
}
unlink(tmpname);
clear_text();
while (fgets(linebuf, 1024, fp) != NULL) {
if (!p2->parse(linebuf) && !p1->parse(linebuf)) {
ret = write(tmp_fd, linebuf, strlen(linebuf));
if (ret != strlen(linebuf)) {
fprintf(stderr, "Error while writing to temporary file\n");
}
}
}
fclose(fp);
lseek(tmp_fd, 0L, SEEK_SET);
delete(p1);
delete(p2);
mod = 0;
loaded = 1;
return GsWidget::load(tmp_fd);
}
int PSEditor::save(const char* savefile) {
if (!file_loaded()) {
return 1;
}
FILE *fp = fdopen(tmp_fd, "r");
rewind(fp);
FILE *sfp = fopen(savefile, "w");
PSWriter *pw = new PSLevel1Writer(this);
pw->write(fp, sfp);
delete(pw);
fclose(sfp);
mod = 0;
return 0;
}
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