public void shift_vertical_move(int p)
{
if (canvas.selects.visible) canvas.selects.visible = false;
if (to == null) to = new Target(from);
to.move_vertical(p);
}
public void shift_click(Point p)
{
if (to == null) to = new Target(from);
to.click(p.X, p.Y);
}
public Text(Text_page canvas)
{
this.canvas = canvas;
start = new Word(this);
from = new Target(0, this); to = null;
}
public String delete(Target to)
{
String ret = "";
Target start, end;
if (word == to.word) {
if (pos == to.pos) return "";
else if (pos < to.pos) {
ret += word.Str.Substring(pos, to.pos - pos);
word.Str = word.Str.Remove(pos, to.pos - pos);
}
else {
ret += word.Str.Substring(to.pos, pos - to.pos);
word.Str = word.Str.Remove(to.pos, pos - to.pos);
pos = to.pos;
}
if (word.Str.Length == 0) {
word.remove();
word = word.before;
pos = word.length;
}
goto finish;
}
else if (word.order < to.word.order) {
start = this; end = to;
}
else {
start = to; end = this;
}
ret += start.word.Str.Substring(start.pos);
start.word.Str = start.word.Str.Substring(0, start.pos);
if (start.word.Str.Length == 0) {
start.word.remove();
if (start == this) {
word = word.before;
pos = word.length;
}
}
for (Word now = start.word.next; ; ) {
if (now == end.word) {
ret += now.Str.Substring(0, end.pos);
end.word.Str = now.Str.Substring(end.pos, now.length - end.pos);
if (now.Str.Length == 0) {
if (end == this) {
word = now.next;
pos = 0;
}
now.remove();
}
else if (end == this) pos = 0;
break;
}
ret += now.Str;
now.remove();
now = now.next;
}
finish:
if (word.kind == Kind_word.Letter || word.kind == Kind_word.Space || word.kind == Kind_word.MultiByte) {
if (pos == 0 && word.kind == word.before.kind) {
word = word.before;
pos = word.length;
word.Str += word.next.Str;
word.next.remove();
}
else if (pos == word.length && word.kind == word.next.kind) {
word.Str += word.next.Str;
word.next.remove();
}
}
return ret;
}
public Target(Target origin)
{
word = origin.word;
pos = origin.pos;
text = origin.text;
compile = origin.compile;
}
public void set_word(Text text, String input)
{
if (selected == false) return;
Word start, end;
start = end = text.from.word;
if (Word.In_call(start))
{
for (; ; start = start.before) {
if (Word.In_call(start.before) == false) break;
}
for (; ; end = end.next)
{
if (Word.In_call(end.next) == false) break;
}
text.from.word = start; text.from.pos = 0;
Target to = new Target(text.from); to.word = end; to.pos = to.word.length;
text.from.delete(to);
}
text.from.input(input, false);
}
