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::set_text(const string &t)
38 edit_pos = text.size();
44 void Entry::set_multiline(bool m)
54 slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
61 void Entry::render_special(const Part &part) const
63 if(part.get_name()=="text")
64 text.render(part, geom, first_row);
65 else if(part.get_name()=="cursor")
67 if(!text_part || !part.get_graphic(state))
71 text.offset_to_coords(edit_pos, row, col);
73 if(row<first_row || row>=first_row+visible_rows)
76 Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
79 GL::translate(rgeom.x, rgeom.y, 0);
80 part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h);
83 else if(part.get_name()=="slider")
87 void Entry::key_press(unsigned key, unsigned, wchar_t ch)
89 if(key==Input::KEY_LEFT)
97 else if(key==Input::KEY_RIGHT)
99 if(edit_pos<text.size())
105 else if(key==Input::KEY_DOWN && multiline)
108 text.offset_to_coords(edit_pos, row, col);
109 edit_pos = text.coords_to_offset(row+1, col);
112 else if(key==Input::KEY_UP && multiline)
115 text.offset_to_coords(edit_pos, row, col);
118 edit_pos = text.coords_to_offset(row-1, col);
124 else if(key==Input::KEY_BACKSPACE)
128 text.erase(--edit_pos, 1);
132 else if(key==Input::KEY_ENTER)
136 text.insert(edit_pos++, "\n");
144 text.insert(edit_pos, Codecs::encode<Codecs::Utf8>(Codecs::ustring(1, ch)));
149 void Entry::on_geometry_change()
157 void Entry::on_style_change()
159 text.set_style(style);
167 text_part = style->get_part("text");
175 void Entry::reposition_slider()
177 if(!style || !slider)
180 if(const Part *slider_part = style->get_part("slider"))
182 Geometry sgeom = slider_part->get_geometry();
183 slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
184 slider->set_geometry(sgeom);
188 void Entry::check_view_range()
190 if(!multiline || !text_part)
193 const GL::Font *font = style->get_font();
194 float font_size = font->get_default_size();
195 unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
197 const Sides &margin = text_part->get_margin();
198 visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U);
201 text.offset_to_coords(edit_pos, row, col);
205 else if(row>=first_row+visible_rows)
206 first_row = row+1-visible_rows;
210 unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
211 slider->set_range(0, scroll);
212 slider->set_value(scroll-first_row);
216 void Entry::slider_value_changed(double value)
218 if(text.get_n_lines()>visible_rows)
219 first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
223 Entry::Loader::Loader(Entry &ent):