3 This file is part of libmspgltk
4 Copyright © 2007-2011 Mikko Rasa, Mikkosoft Productions
5 Distributed under the LGPL
8 #include <msp/gl/matrix.h>
9 #include <msp/gl/texture.h>
10 #include <msp/gl/transform.h>
11 #include <msp/input/keys.h>
23 Entry::Entry(const string &t):
35 void Entry::autosize()
44 const Sides &margin = text_part->get_margin();
45 const GL::Font &font = *style->get_font();
46 unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*font.get_native_size());
47 geom.w = max(geom.w, 10*en_width+margin.left+margin.right);
49 unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font.get_native_size());
52 unsigned line_spacing = font.get_native_size()*6/5;
53 geom.h = max(geom.h, line_height+line_spacing*2+margin.top+margin.bottom);
56 geom.h = max(geom.h, line_height+margin.top+margin.bottom);
61 if(const Part *slider_part = style->get_part("slider"))
63 Geometry sgeom = slider_part->get_geometry();
64 if(!sgeom.w || !sgeom.h)
68 sgeom.w = slider->get_geometry().w;
70 sgeom.h = slider->get_geometry().h;
73 const Sides &margin = slider_part->get_margin();
74 geom.w = max(geom.w, sgeom.w+margin.left+margin.right);
75 geom.h = max(geom.h, sgeom.h+margin.top+margin.bottom);
84 void Entry::set_text(const string &t)
87 edit_pos = text.size();
93 void Entry::set_multiline(bool m)
100 slider = new VSlider;
103 slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
110 void Entry::render_special(const Part &part) const
112 if(part.get_name()=="text")
113 text.render(part, geom, first_row);
114 else if(part.get_name()=="cursor")
116 if(!text_part || !part.get_graphic(state))
120 text.offset_to_coords(edit_pos, row, col);
122 if(row<first_row || row>=first_row+visible_rows)
125 Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
128 GL::translate(rgeom.x, rgeom.y, 0);
129 part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h);
132 else if(part.get_name()=="slider" && multiline)
136 void Entry::key_press(unsigned key, unsigned, wchar_t ch)
138 if(key==Input::KEY_LEFT)
146 else if(key==Input::KEY_RIGHT)
148 if(edit_pos<text.size())
154 else if(key==Input::KEY_DOWN && multiline)
157 text.offset_to_coords(edit_pos, row, col);
158 edit_pos = text.coords_to_offset(row+1, col);
161 else if(key==Input::KEY_UP && multiline)
164 text.offset_to_coords(edit_pos, row, col);
167 edit_pos = text.coords_to_offset(row-1, col);
173 else if(key==Input::KEY_BACKSPACE)
177 text.erase(--edit_pos, 1);
181 else if(key==Input::KEY_ENTER)
185 text.insert(edit_pos++, "\n");
193 text.insert(edit_pos, Codecs::encode<Codecs::Utf8>(Codecs::ustring(1, ch)));
198 void Entry::on_geometry_change()
206 void Entry::on_style_change()
208 text.set_style(style);
216 text_part = style->get_part("text");
224 void Entry::reposition_slider()
226 if(!style || !slider)
229 if(const Part *slider_part = style->get_part("slider"))
231 Geometry sgeom = slider_part->get_geometry();
232 if(!sgeom.w || !sgeom.h)
236 sgeom.w = slider->get_geometry().w;
238 sgeom.h = slider->get_geometry().h;
241 slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
242 slider->set_geometry(sgeom);
246 void Entry::check_view_range()
248 if(!multiline || !text_part)
251 const GL::Font *font = style->get_font();
252 float font_size = font->get_default_size();
253 unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
255 const Sides &margin = text_part->get_margin();
256 visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U);
259 text.offset_to_coords(edit_pos, row, col);
263 else if(row>=first_row+visible_rows)
264 first_row = row+1-visible_rows;
266 unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
267 slider->set_range(0, scroll);
268 slider->set_value(scroll-first_row);
271 void Entry::slider_value_changed(double value)
273 if(text.get_n_lines()>visible_rows)
274 first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
278 Entry::Loader::Loader(Entry &ent):