3 This file is part of libmspgltk
4 Copyright © 2007-2010 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 Resources &r, const string &t):
38 void Entry::set_text(const string &t)
41 edit_pos = text.size();
44 void Entry::set_multiline(bool m)
47 if(multiline && !slider)
49 slider = new VSlider(res);
52 slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
57 void Entry::key_press(unsigned key, unsigned, wchar_t ch)
59 if(key==Input::KEY_LEFT)
67 else if(key==Input::KEY_RIGHT)
69 if(edit_pos<text.size())
75 else if(key==Input::KEY_DOWN && multiline)
78 text.offset_to_coords(edit_pos, row, col);
79 edit_pos = text.coords_to_offset(row+1, col);
82 else if(key==Input::KEY_UP && multiline)
85 text.offset_to_coords(edit_pos, row, col);
88 edit_pos = text.coords_to_offset(row-1, col);
94 else if(key==Input::KEY_BACKSPACE)
98 text.erase(--edit_pos, 1);
102 else if(key==Input::KEY_ENTER)
106 text.insert(edit_pos++, "\n");
114 text.insert(edit_pos, Codecs::encode<Codecs::Utf8>(Codecs::ustring(1, ch)));
119 void Entry::render_special(const Part &part) const
121 if(part.get_name()=="text")
122 text.render(part, geom, first_row);
123 else if(part.get_name()=="cursor")
125 if(!text_part || !part.get_graphic(state))
129 text.offset_to_coords(edit_pos, row, col);
131 if(row<first_row || row>=first_row+visible_rows)
134 Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
137 GL::translate(rgeom.x, rgeom.y, 0);
138 part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h);
141 else if(part.get_name()=="slider")
145 void Entry::on_geometry_change()
150 void Entry::on_style_change()
153 for(list<Part>::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
154 if(i->get_name()=="text")
157 text.set_style(style);
161 void Entry::reposition_slider()
166 for(list<Part>::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
167 if(i->get_name()=="slider")
169 Geometry sgeom = i->get_geometry();
170 i->get_alignment().apply(sgeom, geom, i->get_margin());
171 slider->set_geometry(sgeom);
175 void Entry::slider_value_changed(double value)
177 if(text.get_n_lines()>visible_rows)
178 first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
181 void Entry::check_view_range()
183 if(!multiline || !text_part)
186 const GL::Font *font = style->get_font();
187 float font_size = font->get_default_size();
188 unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
190 const Sides &margin = text_part->get_margin();
191 visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U);
194 text.offset_to_coords(edit_pos, row, col);
198 else if(row>=first_row+visible_rows)
199 first_row = row+1-visible_rows;
203 unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
204 slider->set_range(0, scroll);
205 slider->set_value(scroll-first_row);
210 Entry::Loader::Loader(Entry &ent):