void Entry::set_text(const string &t)
{
text = t;
- edit_pos = text.size();
+ set_edit_position(text.size());
+}
+
+void Entry::insert(unsigned pos, const string &t)
+{
+ if(t.empty())
+ return;
+
+ text.insert(pos, t);
+
+ unsigned old_edit_pos = edit_pos;
+ if(edit_pos>=pos)
+ edit_pos += t.size();
+ if(selection_active && selection_pos>=pos)
+ selection_pos += t.size();
+
+ signal_text_changed.emit(text.get());
+ if(edit_pos!=old_edit_pos)
+ signal_edit_position_changed.emit(edit_pos);
+
+ if(multiline)
+ check_view_range();
+
+ rebuild();
+}
+
+void Entry::erase(unsigned pos, unsigned len)
+{
+ if(!len)
+ return;
+
+ text.erase(pos, len);
+
+ unsigned old_edit_pos = edit_pos;
+ if(edit_pos>=pos+len)
+ edit_pos -= len;
+ else if(edit_pos>=pos)
+ edit_pos = pos;
+ if(selection_active)
+ {
+ if(selection_pos>=pos+len)
+ selection_pos -= len;
+ else if(selection_pos>=pos)
+ selection_pos = pos;
+ }
+
+ signal_text_changed.emit(text.get());
+ if(edit_pos!=old_edit_pos)
+ signal_edit_position_changed.emit(edit_pos);
if(multiline)
check_view_range();
rebuild();
}
+bool Entry::get_selection(unsigned &start, unsigned &end) const
+{
+ if(!selection_active)
+ return false;
+
+ start = selection_pos;
+ end = edit_pos;
+ if(start>end)
+ swap(start, end);
+
+ return true;
+}
+
+void Entry::translate_position(unsigned pos, unsigned &row, unsigned &col) const
+{
+ text.offset_to_coords(pos, row, col);
+}
+
+unsigned Entry::translate_position(unsigned row, unsigned col) const
+{
+ return text.coords_to_offset(row, col);
+}
+
void Entry::set_edit_size(unsigned w, unsigned h)
{
edit_width = w;
if(!text_part || !graphic || !graphic->get_texture())
return;
- unsigned start = selection_pos;
- unsigned end = edit_pos;
- if(start>end)
- swap(start, end);
+ unsigned start, end;
+ get_selection(start, end);
unsigned row, col;
text.offset_to_coords(start, row, col);
if(key==Input::KEY_BACKSPACE)
{
if(selection_active)
- erase_selection();
+ erase_selection(true);
else if(edit_pos>0)
- {
- text.erase(--edit_pos, 1);
- check_view_range();
- rebuild();
- }
+ erase(edit_pos-1, 1);
}
else if(key==Input::KEY_DELETE)
{
if(selection_active)
- erase_selection();
+ erase_selection(true);
else
- text.erase(edit_pos, 1);
+ erase(edit_pos, 1);
}
else if(key==Input::KEY_ENTER && multiline)
- {
- text.insert(edit_pos++, "\n");
- check_view_range();
- rebuild();
- }
+ insert(edit_pos, "\n");
else if(key==Input::KEY_END)
{
unsigned row, col;
if(got_key_press && ch>=' ' && ch!=0x7F)
{
if(selection_active)
- erase_selection();
- text.insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
- ++edit_pos;
- rebuild();
+ erase_selection(false);
+ insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
return true;
}
selection_pos = edit_pos;
selection_active = select;
- edit_pos = ep;
- check_view_range();
+ unsigned old_edit_pos = edit_pos;
+ edit_pos = min(ep, text.size());
+
+ if(edit_pos!=old_edit_pos)
+ signal_edit_position_changed.emit(edit_pos);
+
+ if(multiline)
+ check_view_range();
rebuild();
}
-void Entry::erase_selection()
+void Entry::erase_selection(bool emit_change)
{
- if(!selection_active)
+ unsigned start, end;
+ if(!get_selection(start, end))
return;
- unsigned start = selection_pos;
- unsigned end = edit_pos;
- if(start>end)
- swap(start, end);
-
text.erase(start, end-start);
+ if(emit_change)
+ signal_text_changed.emit(text.get());
set_edit_position(start, false);
}
if(!multiline || !text_part)
return;
- float font_size = style->get_font_size();
- unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
-
- const Sides &margin = text_part->get_margin();
- visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U);
+ visible_rows = text.get_visible_lines(*text_part, geom, 0);
unsigned row, col;
text.offset_to_coords(edit_pos, row, col);
+ unsigned old_first_row = first_row;
if(first_row>row)
first_row = row;
else if(row>=first_row+visible_rows)
first_row = row+1-visible_rows;
+ if(first_row!=old_first_row)
+ signal_scroll_position_changed.emit(first_row);
+
unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
slider->set_range(0, scroll);
slider->set_value(scroll-first_row);
void Entry::slider_value_changed(double value)
{
if(text.get_n_lines()>visible_rows)
+ {
+ unsigned old_first_row = first_row;
first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
+ if(first_row!=old_first_row)
+ signal_scroll_position_changed.emit(first_row);
+ }
}