void Entry::set_text(const string &t)
{
- text = t;
+ if(t!=text.get())
+ {
+ text = t;
+ signal_text_changed.emit(text.get());
+ }
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();
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)
selection_pos = pos;
}
- if(multiline)
- check_view_range();
-
- rebuild();
-}
-
-void Entry::set_edit_position(unsigned pos)
-{
- edit_pos = min(pos, text.size());
- selection_active = false;
+ signal_text_changed.emit(text.get());
+ if(edit_pos!=old_edit_pos)
+ signal_edit_position_changed.emit(edit_pos);
if(multiline)
check_view_range();
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();
+ unsigned start_pos = text.move_offset(edit_pos, -1);
+ erase(start_pos, edit_pos-start_pos);
}
}
else if(key==Input::KEY_DELETE)
{
if(selection_active)
- erase_selection();
+ erase_selection(true);
else
- text.erase(edit_pos, 1);
+ {
+ unsigned end_pos = text.move_offset(edit_pos, 1);
+ erase(edit_pos, end_pos-edit_pos);
+ }
}
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;
text.offset_to_coords(edit_pos, row, col);
set_edit_position(text.coords_to_offset(row, 0), mod==MOD_SHIFT);
}
+ else if(key==Input::KEY_PGUP)
+ {
+ unsigned row, col;
+ text.offset_to_coords(edit_pos, row, col);
+ set_edit_position(text.coords_to_offset((row<visible_rows ? 0 : row-visible_rows), col), mod==MOD_SHIFT);
+ }
+ else if(key==Input::KEY_PGDN)
+ {
+ unsigned row, col;
+ text.offset_to_coords(edit_pos, row, col);
+ set_edit_position(text.coords_to_offset(row+visible_rows, col), mod==MOD_SHIFT);
+ }
else if(key==Input::KEY_LEFT && mod==MOD_SHIFT)
move_edit_position(NAV_LEFT, true);
else if(key==Input::KEY_RIGHT && mod==MOD_SHIFT)
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;
}
void Entry::move_edit_position(Navigation nav, bool select)
{
if(nav==NAV_LEFT)
- {
- if(edit_pos>0)
- set_edit_position(edit_pos-1, select);
- }
+ set_edit_position(text.move_offset(edit_pos, -1), select);
else if(nav==NAV_RIGHT)
- {
- if(edit_pos<text.size())
- set_edit_position(edit_pos+1, select);
- }
+ set_edit_position(text.move_offset(edit_pos, 1), select);
else if(nav==NAV_DOWN)
{
unsigned row, col;
text.offset_to_coords(edit_pos, row, col);
set_edit_position((row>0 ? text.coords_to_offset(row-1, col) : 0), select);
}
+ else
+ throw invalid_argument("Entry::move_edit_position");
}
void Entry::set_edit_position(unsigned ep, bool select)
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;
unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
+ if(first_row>scroll)
+ first_row = scroll;
+
+ if(first_row!=old_first_row)
+ signal_scroll_position_changed.emit(first_row);
+
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);
+ }
}
projects / libs / gltk.git / blobdiff