visible_rows(1),
text_part(0),
slider(0),
- got_key_press(false)
+ got_key_press(false),
+ cursor_blink(true),
+ selection_active(false),
+ selection_pos(0)
{
+ input_type = INPUT_TEXT;
set_text(t);
}
-void Entry::autosize()
+void Entry::autosize_special(const Part &part, Geometry &ageom) const
{
- if(!style)
- return;
-
- Widget::autosize();
-
- if(text_part)
+ if(part.get_name()=="text")
{
- const Sides &margin = text_part->get_margin();
+ const Sides &margin = part.get_margin();
const GL::Font &font = style->get_font();
unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*style->get_font_size());
- geom.w = max(geom.w, edit_width*en_width+margin.left+margin.right);
+ ageom.w = max(ageom.w, edit_width*en_width+margin.left+margin.right);
unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*style->get_font_size());
if(multiline)
{
unsigned line_spacing = style->get_font_size()*6/5;
- geom.h = max(geom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom);
+ ageom.h = max(ageom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom);
}
else
- geom.h = max(geom.h, line_height+margin.top+margin.bottom);
+ ageom.h = max(ageom.h, line_height+margin.top+margin.bottom);
}
+ else if(part.get_name()=="slider" && multiline)
+ autosize_child(*slider, part, ageom);
+}
- if(multiline)
- {
- if(const Part *slider_part = style->get_part("slider"))
- {
- Geometry sgeom = slider_part->get_geometry();
- if(!sgeom.w || !sgeom.h)
- {
- slider->autosize();
- if(!sgeom.w)
- sgeom.w = slider->get_geometry().w;
- if(!sgeom.h)
- sgeom.h = slider->get_geometry().h;
- }
+void Entry::set_text(const string &t)
+{
+ text = t;
+ set_edit_position(text.size());
+}
- const Sides &margin = slider_part->get_margin();
- geom.w = max(geom.w, sgeom.w+margin.left+margin.right);
- geom.h = max(geom.h, sgeom.h+margin.top+margin.bottom);
+void Entry::insert(unsigned pos, const string &t)
+{
+ if(t.empty())
+ return;
- reposition_slider();
- }
+ 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::set_text(const string &t)
+void Entry::erase(unsigned pos, unsigned len)
{
- text = t;
- edit_pos = text.size();
+ 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;
add(*slider);
slider->set_step(1);
slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
- reposition_slider();
+ rebuild();
}
check_view_range();
}
}
-void Entry::rebuild_special(const Part &part, CachedPart &cache)
+void Entry::rebuild_special(const Part &part)
{
if(part.get_name()=="text")
- text.build(part, geom, first_row, cache);
+ text.build(part, state, geom, first_row, part_cache);
else if(part.get_name()=="cursor")
{
- const Graphic *graphic = part.get_graphic(state);
- if(!text_part || !graphic)
- {
- cache.texture = 0;
+ State cursor_state = (cursor_blink ? ACTIVE : NORMAL);
+ const Graphic *graphic = part.get_graphic(state|cursor_state);
+ if(!text_part || !graphic || !graphic->get_texture())
return;
- }
unsigned row, col;
text.offset_to_coords(edit_pos, row, col);
if(row<first_row || row>=first_row+visible_rows)
- {
- cache.texture = 0;
return;
- }
Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
- cache.texture = graphic->get_texture();
- cache.clear_mesh();
-
- GL::MeshBuilder bld(*cache.mesh);
+ GL::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture()));
bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
graphic->build(part.get_geometry().w, part.get_geometry().h, bld);
}
+ else if(part.get_name()=="selection")
+ {
+ if(!selection_active)
+ return;
+
+ const Graphic *graphic = part.get_graphic(state);
+ if(!text_part || !graphic || !graphic->get_texture())
+ return;
+
+ unsigned start, end;
+ get_selection(start, end);
+
+ unsigned row, col;
+ text.offset_to_coords(start, row, col);
+ unsigned end_row, end_col;
+ text.offset_to_coords(end, end_row, end_col);
+
+ if(end_row<first_row || row>=first_row+visible_rows)
+ return;
+
+ if(row<first_row)
+ {
+ row = first_row;
+ col = 0;
+ }
+
+ if(end_row>=first_row+visible_rows)
+ {
+ end_row = first_row+visible_rows-1;
+ end_col = text.get_line_length(end_row);
+ }
+
+ while(row<=end_row)
+ {
+ unsigned ec = (row==end_row ? end_col : text.get_line_length(row));
+ if(ec>col)
+ {
+ Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
+ Geometry egeom = text.coords_to_geometry(*text_part, geom, first_row, row, ec);
+
+ GL::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture()));
+ bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
+ graphic->build(egeom.x-rgeom.x, part.get_geometry().h, bld);
+ }
+
+ ++row;
+ col = 0;
+ }
+ }
+ else if(part.get_name()=="slider")
+ {
+ if(multiline)
+ {
+ reposition_child(*slider, part);
+ Widget::rebuild_special(part);
+ }
+ }
+ else
+ Widget::rebuild_special(part);
}
void Entry::render_special(const Part &part, GL::Renderer &renderer) const
slider->render(renderer);
}
-void Entry::key_press(unsigned key, unsigned)
+void Entry::touch_press(int x, int y, unsigned finger)
+{
+ if(finger==0)
+ set_focus();
+ Widget::touch_press(x, y, finger);
+}
+
+bool Entry::key_press(unsigned key, unsigned mod)
{
got_key_press = true;
- if(key==Input::KEY_LEFT)
+ if(key==Input::KEY_BACKSPACE)
{
- if(edit_pos>0)
- set_edit_position(edit_pos-1);
+ if(selection_active)
+ erase_selection(true);
+ else if(edit_pos>0)
+ erase(edit_pos-1, 1);
}
- else if(key==Input::KEY_RIGHT)
+ else if(key==Input::KEY_DELETE)
{
- if(edit_pos<text.size())
- set_edit_position(edit_pos+1);
+ if(selection_active)
+ erase_selection(true);
+ else
+ erase(edit_pos, 1);
}
- else if(key==Input::KEY_DOWN && multiline)
+ else if(key==Input::KEY_ENTER && multiline)
+ 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+1, col));
+ set_edit_position(text.coords_to_offset(row, text.get_line_length(row)), mod==MOD_SHIFT);
}
- else if(key==Input::KEY_UP && multiline)
+ else if(key==Input::KEY_HOME)
{
unsigned row, col;
text.offset_to_coords(edit_pos, row, col);
- set_edit_position(row>0 ? text.coords_to_offset(row-1, col) : 0);
- }
- else if(key==Input::KEY_BACKSPACE)
- {
- if(edit_pos>0)
- {
- text.erase(--edit_pos, 1);
- check_view_range();
- rebuild();
- }
- }
- else if(key==Input::KEY_ENTER)
- {
- if(multiline)
- {
- text.insert(edit_pos++, "\n");
- check_view_range();
- rebuild();
- }
- else
- signal_enter.emit();
+ set_edit_position(text.coords_to_offset(row, 0), 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)
+ move_edit_position(NAV_RIGHT, true);
+ else if(key==Input::KEY_UP && mod==MOD_SHIFT && multiline)
+ move_edit_position(NAV_UP, true);
+ else if(key==Input::KEY_DOWN && mod==MOD_SHIFT && multiline)
+ move_edit_position(NAV_DOWN, true);
+ else
+ return false;
+
+ return true;
}
-void Entry::character(wchar_t ch)
+bool Entry::character(wchar_t ch)
{
- if(got_key_press && ch>=' ')
+ if(got_key_press && ch>=' ' && ch!=0x7F)
{
- text.insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
- ++edit_pos;
- rebuild();
+ if(selection_active)
+ erase_selection(false);
+ insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
+ return true;
}
+
+ return false;
+}
+
+void Entry::focus_in()
+{
+ cursor_blink = true;
+ Widget::focus_in();
+ check_cursor_blink();
}
void Entry::focus_out()
{
Widget::focus_out();
got_key_press = false;
+ check_cursor_blink();
}
-void Entry::on_geometry_change()
+bool Entry::navigate(Navigation nav)
+{
+ if(nav==NAV_LEFT || nav==NAV_RIGHT || ((nav==NAV_DOWN || nav==NAV_UP) && multiline))
+ move_edit_position(nav, false);
+ else if(nav==NAV_ACCEPT && !signal_enter.empty())
+ signal_enter.emit();
+ else
+ return false;
+
+ return true;
+}
+
+void Entry::animate(const Time::TimeDelta &)
{
- reposition_slider();
+ cursor_blink = !cursor_blink;
+ rebuild();
+}
+void Entry::on_geometry_change()
+{
if(multiline)
check_view_range();
}
text_part = style->get_part("text");
- reposition_slider();
-
if(multiline)
check_view_range();
+
+ check_cursor_blink();
+}
+
+void Entry::move_edit_position(Navigation nav, bool select)
+{
+ if(nav==NAV_LEFT)
+ {
+ if(edit_pos>0)
+ set_edit_position(edit_pos-1, select);
+ }
+ else if(nav==NAV_RIGHT)
+ {
+ if(edit_pos<text.size())
+ set_edit_position(edit_pos+1, select);
+ }
+ else if(nav==NAV_DOWN)
+ {
+ unsigned row, col;
+ text.offset_to_coords(edit_pos, row, col);
+ set_edit_position(text.coords_to_offset(row+1, col), select);
+ }
+ else if(nav==NAV_UP)
+ {
+ 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);
+ }
}
-void Entry::set_edit_position(unsigned ep)
+void Entry::set_edit_position(unsigned ep, bool select)
{
- edit_pos = ep;
- check_view_range();
+ if(select && !selection_active)
+ selection_pos = edit_pos;
+ selection_active = select;
+
+ 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::reposition_slider()
+void Entry::erase_selection(bool emit_change)
{
- if(!style || !slider)
+ unsigned start, end;
+ if(!get_selection(start, end))
return;
- if(const Part *slider_part = style->get_part("slider"))
+ text.erase(start, end-start);
+ if(emit_change)
+ signal_text_changed.emit(text.get());
+ set_edit_position(start, false);
+}
+
+void Entry::check_cursor_blink()
+{
+ cursor_blink = (state&FOCUS);
+ if((state&FOCUS) && style)
{
- Geometry sgeom = slider_part->get_geometry();
- if(!sgeom.w || !sgeom.h)
+ const Part *cursor_part = style->get_part("cursor");
+ if(cursor_part && cursor_part->get_graphic(ACTIVE|FOCUS)!=cursor_part->get_graphic(NORMAL|FOCUS))
{
- slider->autosize();
- if(!sgeom.w)
- sgeom.w = slider->get_geometry().w;
- if(!sgeom.h)
- sgeom.h = slider->get_geometry().h;
+ set_animation_interval(Time::sec/2);
+ return;
}
-
- slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
- slider->set_geometry(sgeom);
}
+
+ stop_animation();
}
void Entry::check_view_range()
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);
+ }
}
-Entry::Loader::Loader(Entry &ent):
- Widget::Loader(ent)
-{ }
+Entry::Loader::Loader(Entry &e):
+ DataFile::DerivedObjectLoader<Entry, Widget::Loader>(e)
+{
+ add("edit_size", &Entry::edit_width, &Entry::edit_height);
+ add("multiline", &Loader::multiline);
+}
+
+void Entry::Loader::multiline(bool m)
+{
+ obj.set_multiline(m);
+}
} // namespace GLtk
} // namespace Msp