bool LineEdit::GetRectSelection(const Rect& rect, int line, int& l, int &h)
{
if(line >= rect.top && line <= rect.bottom) {
l = GetGPos(line, rect.left);
h = GetGPos(line, rect.right);
return true;
}
return false;
}
void LineEdit::AlignChar() {
int c = GetCursor();
if(c == 0)
return;
Point pos = GetColumnLine(c);
if(pos.x == 0)
return;
for(int d = 1; d <= pos.y && d < 100; d++) {
int lny = pos.y - d;
WString above = GetWLine(lny);
int offset = GetGPos(lny, pos.x) - GetPos(lny);
int end = offset;
char ch = GetChar(c - 1);
if(ch == ' ')
{
offset++;
while(end < above.GetLength() && above[end] != ' ')
end++;
while(end < above.GetLength() && above[end] == ' ')
end++;
}
else
while(end < above.GetLength() && above[end] != ch)
end++;
if(end < above.GetLength()) {
int count = end - offset + 1;
WString s(' ', count);
Insert(c - 1, s, true);
SetCursor(c + count);
return;
}
}
}
void LineEdit::PasteColumn(const WString& text)
{
Vector<WString> cl = Split(text, '\n', false);
if(cl.GetCount() && cl.Top().IsEmpty())
cl.Drop();
if(cl.GetCount() == 0)
return;
int pos;
if(IsRectSelection()) {
Rect t = GetRectSelection();
RemoveSelection();
Point p = t.TopLeft();
pos = cursor;
for(int i = 0; i < t.bottom - t.top + 1; i++) {
CacheLinePos(i + p.y);
int l = GetGPos(i + p.y, p.x);
pos = l + Insert(l, cl[i % cl.GetCount()]);
}
}
else {
RemoveSelection();
Point p = GetColumnLine(cursor);
pos = cursor;
for(int i = 0; i < cl.GetCount(); i++) {
CacheLinePos(i + p.y);
int li = p.y + i;
if(li < line.GetCount()) {
int l = GetGPos(i + p.y, p.x);
pos = l + Insert(l, cl[i]);
}
else {
Insert(GetLength(), cl[i] + "\n");
pos = GetLength();
}
}
}
PlaceCaret(pos);
}
int LineEdit::RemoveRectSelection()
{
Rect rect = GetRectSelection();
WString txt;
for(int i = rect.top; i <= rect.bottom; i++) {
int l, h;
CacheLinePos(i);
GetRectSelection(rect, i, l, h);
WString s = GetWLine(i);
s.Remove(l - GetPos(i), h - l);
txt.Cat(s);
txt.Cat('\n');
}
int l = GetPos(rect.top);
int h = GetPos(rect.bottom) + GetLineLength(rect.bottom);
if(h < GetLength())
h++;
Remove(l, h - l);
Insert(l, txt);
return GetGPos(rect.bottom, rect.left);
}
void LineEdit::MoveUpDown(int n, bool sel) {
int cl = cursor;
int ln = GetLinePos(cl);
ln = minmax(ln + n, 0, line.GetCount() - 1);
PlaceCaretNoG(GetGPos(ln, gcolumn), sel);
}
int LineEdit::GetMousePos(Point p) const {
Size fsz = GetFontSize();
p = (p + fsz.cx / 2 + fsz * (Size)sb.Get()) / fsz;
return GetGPos(p.y, p.x);
}
void LineEdit::SetRectSelection(const Rect& rect)
{
SetRectSelection(GetGPos(rect.top, rect.left), GetGPos(rect.bottom, rect.right));
}