X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fentry.cpp;h=12eff06ae4ffbc542e3b80726242b60ea03ee4ee;hb=ec63df81f6c3f77454b0fe3bdae24876c84616b1;hp=9f7c761802f5de84af3e77a764788f929865cf7c;hpb=50bf1ef2e2c3c38de20f6996a6c5ed0066111177;p=libs%2Fgltk.git diff --git a/source/entry.cpp b/source/entry.cpp index 9f7c761..12eff06 100644 --- a/source/entry.cpp +++ b/source/entry.cpp @@ -1,90 +1,296 @@ -/* $Id$ - -This file is part of libmspgltk -Copyright © 2007 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #include +#include #include -#include +#include #include "entry.h" #include "graphic.h" #include "part.h" #include "style.h" +#include "vslider.h" using namespace std; namespace Msp { namespace GLtk { -Entry::Entry(const Resources &r, const string &t): - Widget(r), - text(t), - edit_pos(0) +Entry::Entry(const string &t): + text(), + multiline(false), + edit_width(10), + edit_height(1), + edit_pos(0), + first_row(0), + visible_rows(1), + text_part(0), + slider(0), + got_key_press(false) +{ + set_text(t); +} + +void Entry::autosize_special(const Part &part, Geometry &ageom) { - update_style(); + if(part.get_name()=="text") + { + const Sides &margin = part.get_margin(); + const GL::Font &font = style->get_font(); + unsigned en_width = static_cast(font.get_string_width("n")*style->get_font_size()); + ageom.w = max(ageom.w, edit_width*en_width+margin.left+margin.right); + + unsigned line_height = static_cast((font.get_ascent()-font.get_descent())*style->get_font_size()); + if(multiline) + { + unsigned line_spacing = style->get_font_size()*6/5; + ageom.h = max(ageom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom); + } + else + ageom.h = max(ageom.h, line_height+margin.top+margin.bottom); + } + else if(part.get_name()=="slider" && multiline) + { + Geometry sgeom = 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 = part.get_margin(); + ageom.w = max(ageom.w, sgeom.w+margin.left+margin.right); + ageom.h = max(ageom.h, sgeom.h+margin.top+margin.bottom); + } } void Entry::set_text(const string &t) { - text=t; - if(edit_pos>text.size()) - edit_pos=text.size(); + text = t; + edit_pos = text.size(); + + if(multiline) + check_view_range(); + + rebuild(); +} + +void Entry::set_edit_size(unsigned w, unsigned h) +{ + edit_width = w; + edit_height = h; + signal_autosize_changed.emit(); } -void Entry::key_press(unsigned key, unsigned, wchar_t ch) +void Entry::set_multiline(bool m) { - if(key==100) + multiline = m; + if(multiline) + { + 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::rebuild_special(const Part &part) +{ + if(part.get_name()=="text") + text.build(part, geom, first_row, part_cache); + else if(part.get_name()=="cursor") + { + const Graphic *graphic = part.get_graphic(state); + if(!text_part || !graphic || !graphic->get_texture()) + 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::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture())); + bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0); + graphic->build(part.get_geometry().w, part.get_geometry().h, bld); + } + else + Widget::rebuild_special(part); +} + +void Entry::render_special(const Part &part, GL::Renderer &renderer) const +{ + if(part.get_name()=="slider" && multiline) + slider->render(renderer); +} + +void Entry::key_press(unsigned key, unsigned) +{ + got_key_press = true; + if(key==Input::KEY_LEFT) { if(edit_pos>0) - --edit_pos; + set_edit_position(edit_pos-1); } - else if(key==102) + else if(key==Input::KEY_RIGHT) { if(edit_pos0 ? text.coords_to_offset(row-1, col) : 0); } - else if(key==22) + else if(key==Input::KEY_BACKSPACE) { if(edit_pos>0) + { text.erase(--edit_pos, 1); + check_view_range(); + rebuild(); + } } - else + else if(key==Input::KEY_ENTER) + { + if(multiline) + { + text.insert(edit_pos++, "\n"); + check_view_range(); + rebuild(); + } + else + signal_enter.emit(); + } +} + +void Entry::character(wchar_t ch) +{ + if(got_key_press && ch>=' ') { - text+=ch; + text.insert(edit_pos, StringCodec::encode(StringCodec::ustring(1, ch))); ++edit_pos; + rebuild(); } } -void Entry::render_special(const Part &part) const +void Entry::focus_out() { - if(part.get_name()=="text") - render_text(part, text); - else if(part.get_name()=="cursor") + Widget::focus_out(); + got_key_press = false; +} + +void Entry::on_geometry_change() +{ + reposition_slider(); + + if(multiline) + check_view_range(); +} + +void Entry::on_style_change() +{ + text.set_style(style); + + if(!style) { - if(!part.get_graphic(state)) - return; + text_part = 0; + return; + } + + text_part = style->get_part("text"); - const GL::Font *const font=style->get_font(); - const float font_size=font->get_default_size(); + reposition_slider(); - Geometry rgeom=part.get_geometry(); - rgeom.x=static_cast(font->get_string_width(text.substr(0, edit_pos))*font_size); - rgeom.w=static_cast(font->get_string_width(text)*font_size); - part.get_alignment().apply(rgeom, geom, part.get_margin()); + if(multiline) + check_view_range(); +} - GL::push_matrix(); - GL::translate(rgeom.x, rgeom.y, 0); - part.get_graphic(state)->render(part.get_geometry().w, rgeom.h); - GL::pop_matrix(); +void Entry::set_edit_position(unsigned ep) +{ + edit_pos = ep; + check_view_range(); + rebuild(); +} + +void Entry::reposition_slider() +{ + if(!style || !slider) + return; + + 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; + } + + slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin()); + slider->set_geometry(sgeom); } } +void Entry::check_view_range() +{ + if(!multiline || !text_part) + return; -Entry::Loader::Loader(Entry &ent): - Widget::Loader(ent) -{ } + float font_size = style->get_font_size(); + unsigned line_spacing = static_cast(font_size*6/5); + + const Sides &margin = text_part->get_margin(); + visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U); + + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + + if(first_row>row) + first_row = row; + else if(row>=first_row+visible_rows) + first_row = row+1-visible_rows; + + 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); +} + + +Entry::Loader::Loader(Entry &e): + DataFile::DerivedObjectLoader(e) +{ + add("edit_size", &Entry::edit_width, &Entry::edit_height); + add("multiline", &Loader::multiline); +} + +void Entry::Loader::multiline(bool m) +{ + obj.set_multiline(m); +} } // namespace GLtk } // namespace Msp