1 #include <msp/gl/matrix.h>
2 #include <msp/gl/meshbuilder.h>
3 #include <msp/gl/texture.h>
4 #include <msp/input/keys.h>
16 Entry::Entry(const string &t):
28 selection_active(false),
31 input_type = INPUT_TEXT;
35 void Entry::autosize_special(const Part &part, Geometry &ageom) const
37 if(part.get_name()=="text")
39 const Sides &margin = part.get_margin();
40 const GL::Font &font = style->get_font();
41 unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*style->get_font_size());
42 ageom.w = max(ageom.w, edit_width*en_width+margin.left+margin.right);
44 unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*style->get_font_size());
47 unsigned line_spacing = style->get_font_size()*6/5;
48 ageom.h = max(ageom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom);
51 ageom.h = max(ageom.h, line_height+margin.top+margin.bottom);
53 else if(part.get_name()=="slider" && multiline)
54 autosize_child(*slider, part, ageom);
57 void Entry::set_text(const string &t)
62 signal_text_changed.emit(text.get());
64 set_edit_position(text.size());
67 void Entry::insert(unsigned pos, const string &t)
73 signal_text_changed.emit(text.get());
75 adjust_edit_position_for_change(pos, t.size());
82 void Entry::erase(unsigned pos, unsigned len)
88 signal_text_changed.emit(text.get());
90 adjust_edit_position_for_change(pos, -len);
97 bool Entry::get_selection(unsigned &start, unsigned &end) const
102 start = selection_pos;
110 void Entry::translate_position(unsigned pos, unsigned &row, unsigned &col) const
112 text.offset_to_coords(pos, row, col);
115 unsigned Entry::translate_position(unsigned row, unsigned col) const
117 return text.coords_to_offset(row, col);
120 void Entry::set_edit_size(unsigned w, unsigned h)
124 signal_autosize_changed.emit();
127 void Entry::set_multiline(bool m)
134 slider = new VSlider;
137 slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
144 void Entry::rebuild_special(const Part &part)
146 if(part.get_name()=="text")
147 text.build(part, state, geom, first_row, part_cache);
148 else if(part.get_name()=="cursor")
150 State cursor_state = (cursor_blink ? ACTIVE : NORMAL);
151 const Graphic *graphic = part.get_graphic(state|cursor_state);
152 if(!text_part || !graphic || !graphic->get_texture())
156 text.offset_to_coords(edit_pos, row, col);
158 if(row<first_row || row>=first_row+visible_rows)
161 Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
163 GL::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture()));
164 bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
165 graphic->build(part.get_geometry().w, part.get_geometry().h, bld);
167 else if(part.get_name()=="selection")
169 if(!selection_active)
172 const Graphic *graphic = part.get_graphic(state);
173 if(!text_part || !graphic || !graphic->get_texture())
177 get_selection(start, end);
180 text.offset_to_coords(start, row, col);
181 unsigned end_row, end_col;
182 text.offset_to_coords(end, end_row, end_col);
184 if(end_row<first_row || row>=first_row+visible_rows)
193 if(end_row>=first_row+visible_rows)
195 end_row = first_row+visible_rows-1;
196 end_col = text.get_line_length(end_row);
201 unsigned ec = (row==end_row ? end_col : text.get_line_length(row));
204 Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
205 Geometry egeom = text.coords_to_geometry(*text_part, geom, first_row, row, ec);
207 GL::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture()));
208 bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
209 graphic->build(egeom.x-rgeom.x, part.get_geometry().h, bld);
216 else if(part.get_name()=="slider")
220 reposition_child(*slider, part);
221 Widget::rebuild_special(part);
225 Widget::rebuild_special(part);
228 void Entry::render_special(const Part &part, GL::Renderer &renderer) const
230 if(part.get_name()=="slider" && multiline)
231 slider->render(renderer);
234 void Entry::touch_press(int x, int y, unsigned finger)
238 Widget::touch_press(x, y, finger);
241 bool Entry::key_press(unsigned key, unsigned mod)
243 got_key_press = true;
244 if(key==Input::KEY_BACKSPACE)
247 erase_selection(true);
250 unsigned start_pos = text.move_offset(edit_pos, -1);
251 erase(start_pos, edit_pos-start_pos);
254 else if(key==Input::KEY_DELETE)
257 erase_selection(true);
260 unsigned end_pos = text.move_offset(edit_pos, 1);
261 erase(edit_pos, end_pos-edit_pos);
264 else if(key==Input::KEY_ENTER && multiline)
265 insert(edit_pos, "\n");
266 else if(key==Input::KEY_END)
269 text.offset_to_coords(edit_pos, row, col);
270 set_edit_position(text.coords_to_offset(row, text.get_line_length(row)), mod==MOD_SHIFT);
272 else if(key==Input::KEY_HOME)
275 text.offset_to_coords(edit_pos, row, col);
276 set_edit_position(text.coords_to_offset(row, 0), mod==MOD_SHIFT);
278 else if(key==Input::KEY_PGUP)
281 text.offset_to_coords(edit_pos, row, col);
282 set_edit_position(text.coords_to_offset((row<visible_rows ? 0 : row-visible_rows), col), mod==MOD_SHIFT);
284 else if(key==Input::KEY_PGDN)
287 text.offset_to_coords(edit_pos, row, col);
288 set_edit_position(text.coords_to_offset(row+visible_rows, col), mod==MOD_SHIFT);
290 else if(key==Input::KEY_LEFT && mod==MOD_SHIFT)
291 move_edit_position(NAV_LEFT, true);
292 else if(key==Input::KEY_RIGHT && mod==MOD_SHIFT)
293 move_edit_position(NAV_RIGHT, true);
294 else if(key==Input::KEY_UP && mod==MOD_SHIFT && multiline)
295 move_edit_position(NAV_UP, true);
296 else if(key==Input::KEY_DOWN && mod==MOD_SHIFT && multiline)
297 move_edit_position(NAV_DOWN, true);
304 bool Entry::character(wchar_t ch)
306 if(got_key_press && ch>=' ' && ch!=0x7F)
309 erase_selection(false);
310 insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
317 void Entry::focus_in()
321 check_cursor_blink();
324 void Entry::focus_out()
327 got_key_press = false;
328 check_cursor_blink();
331 bool Entry::navigate(Navigation nav)
333 if(nav==NAV_LEFT || nav==NAV_RIGHT || ((nav==NAV_DOWN || nav==NAV_UP) && multiline))
334 move_edit_position(nav, false);
335 else if(nav==NAV_ACCEPT && !signal_enter.empty())
343 void Entry::animate(const Time::TimeDelta &)
345 cursor_blink = !cursor_blink;
349 void Entry::on_size_change()
355 void Entry::on_style_change()
357 text.set_style(style);
365 text_part = style->get_part("text");
370 check_cursor_blink();
373 void Entry::move_edit_position(Navigation nav, bool select)
376 set_edit_position(text.move_offset(edit_pos, -1), select);
377 else if(nav==NAV_RIGHT)
378 set_edit_position(text.move_offset(edit_pos, 1), select);
379 else if(nav==NAV_DOWN)
382 text.offset_to_coords(edit_pos, row, col);
383 set_edit_position(text.coords_to_offset(row+1, col), select);
388 text.offset_to_coords(edit_pos, row, col);
389 set_edit_position((row>0 ? text.coords_to_offset(row-1, col) : 0), select);
392 throw invalid_argument("Entry::move_edit_position");
395 void Entry::adjust_edit_position_for_change(unsigned pos, int change)
397 unsigned old_edit_pos = edit_pos;
403 if(selection_active && selection_pos>=pos)
404 selection_pos += change;
409 edit_pos -= min<unsigned>(edit_pos-pos, -change);
410 if(selection_active && selection_pos>=pos)
411 selection_pos -= min<unsigned>(selection_pos-pos, -change);
414 if(edit_pos!=old_edit_pos)
415 signal_edit_position_changed.emit(edit_pos);
418 void Entry::set_edit_position(unsigned ep, bool select)
420 if(select && !selection_active)
421 selection_pos = edit_pos;
422 selection_active = select;
424 unsigned old_edit_pos = edit_pos;
425 edit_pos = min(ep, text.size());
427 if(edit_pos!=old_edit_pos)
428 signal_edit_position_changed.emit(edit_pos);
435 void Entry::erase_selection(bool emit_change)
438 if(!get_selection(start, end))
441 text.erase(start, end-start);
443 signal_text_changed.emit(text.get());
444 set_edit_position(start, false);
447 void Entry::check_cursor_blink()
449 const Part *cursor_part = style->get_part("cursor");
450 bool has_blink = (cursor_part && cursor_part->get_graphic(ACTIVE|FOCUS)!=cursor_part->get_graphic(NORMAL|FOCUS));
452 cursor_blink = (state&FOCUS);
453 if((state&FOCUS) && style && has_blink)
455 set_animation_interval(Time::sec/2);
466 void Entry::check_view_range()
468 if(!multiline || !text_part)
471 visible_rows = text.get_visible_lines(*text_part, geom, 0);
474 text.offset_to_coords(edit_pos, row, col);
476 unsigned old_first_row = first_row;
479 else if(row>=first_row+visible_rows)
480 first_row = row+1-visible_rows;
482 unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
486 if(first_row!=old_first_row)
487 signal_scroll_position_changed.emit(first_row);
489 slider->set_range(0, scroll);
490 slider->set_page_size(visible_rows);
491 slider->set_value(scroll-first_row);
494 void Entry::slider_value_changed(double value)
496 if(text.get_n_lines()>visible_rows)
498 unsigned old_first_row = first_row;
499 first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
500 if(first_row!=old_first_row)
501 signal_scroll_position_changed.emit(first_row);
507 Entry::Loader::Loader(Entry &e):
508 DataFile::DerivedObjectLoader<Entry, Widget::Loader>(e)
510 add("edit_size", &Entry::edit_width, &Entry::edit_height);
511 add("multiline", &Loader::multiline);
514 void Entry::Loader::multiline(bool m)
516 obj.set_multiline(m);