//
// Copyright 2007 Johannes Hofmann <Johannes.Hofmann@gmx.de>
//
// This software may be used and distributed according to the terms
// of the GNU General Public License, incorporated herein by reference.

#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <FL/fl_utf8.h>

#include "PSEditText.H"


PSEditText::PSEditText(int x1, int y1, const char *s1, 
	int size1, PSEditColor *c) {
	x = x1;
	y = y1;
	s = strdup(s1);
	tag = NULL;
	size = size1;
	text_color.set(c->r, c->g, c->b);
	next = NULL;
}

PSEditText::~PSEditText() {
	if (next) {
		delete(next);
	}
	if (s) {
		free(s);
	}
	if (tag) {
		free(tag);
	}
}

void PSEditText::append_text(const char*s1) {
	int len = (s?strlen(s):0) + strlen(s1) + 1;
	char *tmp = (char*) malloc(len);

	strcpy(tmp, s?s:"");
	strcat(tmp, s1);

	if (s) {
		free(s);
	}

	s = tmp;
}

void PSEditText::rm_char() {
	if (s && strlen(s) > 0) {
		char *t;
		t = (char*)fl_utf8back(s + strlen(s) - 1, s, s + strlen(s));
		t[0] = '\0';
	}
}

void PSEditText::move(int x1, int y1) {
	x = x1;
	y = y1;
}

void PSEditText::append(PSEditText *g) {
	PSEditText *p = this;
	while (p->next) {
		p = p->next;
	}
	p->next = g;
}

PSEditText *PSEditText::get_match(int x1, int y1) {
	if (abs(x - x1) < 10 && abs(y - y1) < 10) {
		return this;
	} else if (next) {
		return next->get_match(x1, y1);
	} else {
		return NULL;
	}
}

int PSEditText::set_text(const char *t) {
	if (s) {
		free(s);
	}
	if (t) {
		s = strdup(t);
	} else {
		s = NULL;
	}

	return 0;
}

char *PSEditText::get_text() {
	return s;
}

int PSEditText::is_empty() {
	return !s || !s[0];
}

char *PSEditText::get_tag() {
	return tag;
}

int PSEditText::set_tag(const char *t) {
	if (tag) {
		free(tag);
	}
	if (t) {
		tag = strdup(t);
	} else {
		tag = NULL;
	}

	return 0;
}

int PSEditText::get_size() {
	return size;
}

PSEditText* PSEditText::get_next() {
	return next;
}

int PSEditText::get_x() {
	return x;
}

int PSEditText::get_y() {
	return y;
}