X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fentry.cpp;h=0e1414ce74339b7fd98e67a9f0354f18df1375a3;hb=c8f5fd14a1fbdaaa9e1216dd5163d1f5c1b5ff27;hp=654ac6c673f17025917f72ad1af4bf0cdcde0631;hpb=70c409d5ae005b96f89d47da49f868e65b4e5734;p=libs%2Fgltk.git diff --git a/source/entry.cpp b/source/entry.cpp index 654ac6c..0e1414c 100644 --- a/source/entry.cpp +++ b/source/entry.cpp @@ -1,10 +1,3 @@ -/* $Id$ - -This file is part of libmspgltk -Copyright © 2007-2010 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #include #include #include @@ -20,40 +13,120 @@ using namespace std; namespace Msp { namespace GLtk { -Entry::Entry(const Resources &r, const string &t): - Widget(r), - Container(r), +Entry::Entry(const string &t): text(), multiline(false), edit_pos(0), first_row(0), + visible_rows(1), text_part(0), slider(0) { - update_style(); set_text(t); } +void Entry::autosize() +{ + if(!style) + return; + + Widget::autosize(); + + if(text_part) + { + const Sides &margin = text_part->get_margin(); + const GL::Font &font = *style->get_font(); + unsigned en_width = static_cast(font.get_string_width("n")*font.get_native_size()); + geom.w = max(geom.w, 10*en_width+margin.left+margin.right); + + unsigned line_height = static_cast((font.get_ascent()-font.get_descent())*font.get_native_size()); + if(multiline) + { + unsigned line_spacing = font.get_native_size()*6/5; + geom.h = max(geom.h, line_height+line_spacing*2+margin.top+margin.bottom); + } + else + geom.h = max(geom.h, line_height+margin.top+margin.bottom); + } + + if(multiline) + { + if(const Part *slider_part = style->get_part("slider")) + { + Geometry sgeom = slider_part->get_geometry(); + if(!sgeom.w || !sgeom.h) + { + slider->autosize(); + if(!sgeom.w) + sgeom.w = slider->get_geometry().w; + if(!sgeom.h) + sgeom.h = slider->get_geometry().h; + } + + const Sides &margin = slider_part->get_margin(); + geom.w = max(geom.w, sgeom.w+margin.left+margin.right); + geom.h = max(geom.h, sgeom.h+margin.top+margin.bottom); + + reposition_slider(); + } + + check_view_range(); + } +} + void Entry::set_text(const string &t) { text = t; edit_pos = text.size(); + + if(multiline) + check_view_range(); } void Entry::set_multiline(bool m) { multiline = m; - if(multiline && !slider) + if(multiline) { - slider = new VSlider(res); - add(*slider); - slider->set_step(1); - slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed)); - reposition_slider(); + if(!slider) + { + slider = new VSlider; + add(*slider); + slider->set_step(1); + slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed)); + reposition_slider(); + } + check_view_range(); + } +} + +void Entry::render_special(const Part &part) const +{ + if(part.get_name()=="text") + text.render(part, geom, first_row); + else if(part.get_name()=="cursor") + { + if(!text_part || !part.get_graphic(state)) + return; + + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + + if(row=first_row+visible_rows) + return; + + Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col); + + GL::push_matrix(); + GL::translate(rgeom.x, rgeom.y, 0); + part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h); + GL::pop_matrix(); } + else if(part.get_name()=="slider" && multiline) + slider->render(); } -void Entry::key_press(unsigned key, unsigned, wchar_t ch) +void Entry::key_press(unsigned key, unsigned) { if(key==Input::KEY_LEFT) { @@ -108,73 +181,63 @@ void Entry::key_press(unsigned key, unsigned, wchar_t ch) else signal_enter.emit(); } - else if(ch>=' ') - { - text.insert(edit_pos, Codecs::encode(Codecs::ustring(1, ch))); - ++edit_pos; - } } -void Entry::render_special(const Part &part) const +void Entry::character(wchar_t ch) { - if(part.get_name()=="text") - text.render(part, geom, first_row); - else if(part.get_name()=="cursor") + if(ch>=' ') { - if(!text_part || !part.get_graphic(state)) - return; - - unsigned row, col; - text.offset_to_coords(edit_pos, row, col); - - if(row=first_row+visible_rows) - return; - - Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col); - - GL::push_matrix(); - GL::translate(rgeom.x, rgeom.y, 0); - part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h); - GL::pop_matrix(); + text.insert(edit_pos, StringCodec::encode(StringCodec::ustring(1, ch))); + ++edit_pos; } - else if(part.get_name()=="slider") - slider->render(); } void Entry::on_geometry_change() { reposition_slider(); + + if(multiline) + check_view_range(); } void Entry::on_style_change() { - text_part = 0; - for(list::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i) - if(i->get_name()=="text") - text_part = &*i; - text.set_style(style); + + if(!style) + { + text_part = 0; + return; + } + + text_part = style->get_part("text"); + reposition_slider(); + + if(multiline) + check_view_range(); } void Entry::reposition_slider() { - if(!slider) + if(!style || !slider) return; - for(list::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i) - if(i->get_name()=="slider") + if(const Part *slider_part = style->get_part("slider")) + { + Geometry sgeom = slider_part->get_geometry(); + if(!sgeom.w || !sgeom.h) { - Geometry sgeom = i->get_geometry(); - i->get_alignment().apply(sgeom, geom, i->get_margin()); - slider->set_geometry(sgeom); + slider->autosize(); + if(!sgeom.w) + sgeom.w = slider->get_geometry().w; + if(!sgeom.h) + sgeom.h = slider->get_geometry().h; } -} -void Entry::slider_value_changed(double value) -{ - if(text.get_n_lines()>visible_rows) - first_row = text.get_n_lines()-visible_rows-static_cast(value); + slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin()); + slider->set_geometry(sgeom); + } } void Entry::check_view_range() @@ -187,7 +250,7 @@ void Entry::check_view_range() unsigned line_spacing = static_cast(font_size*6/5); const Sides &margin = text_part->get_margin(); - visible_rows = (geom.h-margin.top-margin.bottom)/line_spacing; + visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U); unsigned row, col; text.offset_to_coords(edit_pos, row, col); @@ -197,12 +260,15 @@ void Entry::check_view_range() else if(row>=first_row+visible_rows) first_row = row+1-visible_rows; - if(slider) - { - unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows; - slider->set_range(0, scroll); - slider->set_value(scroll-first_row); - } + unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows; + slider->set_range(0, scroll); + slider->set_value(scroll-first_row); +} + +void Entry::slider_value_changed(double value) +{ + if(text.get_n_lines()>visible_rows) + first_row = text.get_n_lines()-visible_rows-static_cast(value); }