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):
31 void Entry::autosize()
40 const Sides &margin = text_part->get_margin();
41 const GL::Font &font = style->get_font();
42 unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*style->get_font_size());
43 geom.w = max(geom.w, edit_width*en_width+margin.left+margin.right);
45 unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*style->get_font_size());
48 unsigned line_spacing = style->get_font_size()*6/5;
49 geom.h = max(geom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom);
52 geom.h = max(geom.h, line_height+margin.top+margin.bottom);
57 if(const Part *slider_part = style->get_part("slider"))
59 Geometry sgeom = slider_part->get_geometry();
60 if(!sgeom.w || !sgeom.h)
64 sgeom.w = slider->get_geometry().w;
66 sgeom.h = slider->get_geometry().h;
69 const Sides &margin = slider_part->get_margin();
70 geom.w = max(geom.w, sgeom.w+margin.left+margin.right);
71 geom.h = max(geom.h, sgeom.h+margin.top+margin.bottom);
82 void Entry::set_text(const string &t)
85 edit_pos = text.size();
93 void Entry::set_edit_size(unsigned w, unsigned h)
97 signal_autosize_changed.emit();
100 void Entry::set_multiline(bool m)
107 slider = new VSlider;
110 slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
117 void Entry::rebuild_special(const Part &part, CachedPart &cache)
119 if(part.get_name()=="text")
120 text.build(part, geom, first_row, cache);
121 else if(part.get_name()=="cursor")
123 const Graphic *graphic = part.get_graphic(state);
124 if(!text_part || !graphic)
131 text.offset_to_coords(edit_pos, row, col);
133 if(row<first_row || row>=first_row+visible_rows)
139 Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
141 cache.texture = graphic->get_texture();
144 GL::MeshBuilder bld(*cache.mesh);
145 bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
146 graphic->build(part.get_geometry().w, part.get_geometry().h, bld);
150 void Entry::render_special(const Part &part, GL::Renderer &renderer) const
152 if(part.get_name()=="slider" && multiline)
153 slider->render(renderer);
156 void Entry::key_press(unsigned key, unsigned)
158 got_key_press = true;
159 if(key==Input::KEY_LEFT)
162 set_edit_position(edit_pos-1);
164 else if(key==Input::KEY_RIGHT)
166 if(edit_pos<text.size())
167 set_edit_position(edit_pos+1);
169 else if(key==Input::KEY_DOWN && multiline)
172 text.offset_to_coords(edit_pos, row, col);
173 set_edit_position(text.coords_to_offset(row+1, col));
175 else if(key==Input::KEY_UP && multiline)
178 text.offset_to_coords(edit_pos, row, col);
179 set_edit_position(row>0 ? text.coords_to_offset(row-1, col) : 0);
181 else if(key==Input::KEY_BACKSPACE)
185 text.erase(--edit_pos, 1);
190 else if(key==Input::KEY_ENTER)
194 text.insert(edit_pos++, "\n");
203 void Entry::character(wchar_t ch)
205 if(got_key_press && ch>=' ')
207 text.insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
213 void Entry::focus_out()
216 got_key_press = false;
219 void Entry::on_geometry_change()
227 void Entry::on_style_change()
229 text.set_style(style);
237 text_part = style->get_part("text");
245 void Entry::set_edit_position(unsigned ep)
252 void Entry::reposition_slider()
254 if(!style || !slider)
257 if(const Part *slider_part = style->get_part("slider"))
259 Geometry sgeom = slider_part->get_geometry();
260 if(!sgeom.w || !sgeom.h)
264 sgeom.w = slider->get_geometry().w;
266 sgeom.h = slider->get_geometry().h;
269 slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
270 slider->set_geometry(sgeom);
274 void Entry::check_view_range()
276 if(!multiline || !text_part)
279 float font_size = style->get_font_size();
280 unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
282 const Sides &margin = text_part->get_margin();
283 visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U);
286 text.offset_to_coords(edit_pos, row, col);
290 else if(row>=first_row+visible_rows)
291 first_row = row+1-visible_rows;
293 unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
294 slider->set_range(0, scroll);
295 slider->set_value(scroll-first_row);
298 void Entry::slider_value_changed(double value)
300 if(text.get_n_lines()>visible_rows)
301 first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);