X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fentry.cpp;h=9f99e794c5e3c7cb98fc0564242af21aac79f172;hb=5152e147e9a053482f6a4895f3d2028864f6cf2f;hp=91bd9c0ce82072219bdd46efa48e2d40e39392dc;hpb=0af3c2393bd00f39db3bfaf5b78a7a44f0fd5ff1;p=libs%2Fgltk.git diff --git a/source/entry.cpp b/source/entry.cpp index 91bd9c0..9f99e79 100644 --- a/source/entry.cpp +++ b/source/entry.cpp @@ -1,122 +1,330 @@ -/* $Id$ - -This file is part of libmspgltk -Copyright © 2007-2010 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), +Entry::Entry(const string &t): text(), multiline(false), - edit_pos(0) + edit_width(10), + edit_height(1), + edit_pos(0), + first_row(0), + visible_rows(1), + text_part(0), + slider(0), + got_key_press(false), + cursor_blink(true) { - update_style(); + input_type = INPUT_TEXT; set_text(t); } +void Entry::autosize_special(const Part &part, Geometry &ageom) const +{ + 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) + autosize_child(*slider, part, ageom); +} + void Entry::set_text(const string &t) { 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::set_multiline(bool m) { 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)); + rebuild(); + } + check_view_range(); + } } -void Entry::key_press(unsigned key, unsigned, wchar_t ch) +void Entry::rebuild_special(const Part &part) { - if(key==Input::KEY_LEFT) + if(part.get_name()=="text") + text.build(part, state, geom, first_row, part_cache); + else if(part.get_name()=="cursor") + { + State cursor_state = (cursor_blink ? ACTIVE : NORMAL); + const Graphic *graphic = part.get_graphic(state|cursor_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 if(part.get_name()=="slider") + { + if(multiline) + { + reposition_child(*slider, part); + Widget::rebuild_special(part); + } + } + 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::touch_press(int x, int y, unsigned finger) +{ + if(finger==0) + set_focus(); + Widget::touch_press(x, y, finger); +} + +bool Entry::key_press(unsigned key, unsigned) +{ + got_key_press = true; + if(key==Input::KEY_BACKSPACE) { if(edit_pos>0) - --edit_pos; + { + text.erase(--edit_pos, 1); + check_view_range(); + rebuild(); + } } - else if(key==Input::KEY_RIGHT) + else if(key==Input::KEY_ENTER && multiline) { - if(edit_pos0) - edit_pos = text.coords_to_offset(row-1, col); - else - edit_pos = 0; + set_edit_position(text.coords_to_offset(row, 0)); } - else if(key==Input::KEY_BACKSPACE) + else + return false; + + return true; +} + +bool Entry::character(wchar_t ch) +{ + if(got_key_press && ch>=' ') + { + text.insert(edit_pos, StringCodec::encode(StringCodec::ustring(1, ch))); + ++edit_pos; + rebuild(); + return true; + } + + return false; +} + +void Entry::focus_in() +{ + cursor_blink = true; + Widget::focus_in(); + check_cursor_blink(); +} + +void Entry::focus_out() +{ + Widget::focus_out(); + got_key_press = false; + check_cursor_blink(); +} + +bool Entry::navigate(Navigation nav) +{ + if(nav==NAV_LEFT) { if(edit_pos>0) - text.erase(--edit_pos, 1); + set_edit_position(edit_pos-1); } - else if(key==Input::KEY_ENTER) + else if(nav==NAV_RIGHT) { - if(multiline) - text.insert(edit_pos++, "\n"); - else - signal_enter.emit(); + if(edit_pos=' ') + else if(nav==NAV_DOWN && multiline) { - text.insert(edit_pos, Codecs::encode(Codecs::ustring(1, ch))); - ++edit_pos; + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + set_edit_position(text.coords_to_offset(row+1, col)); + } + else if(nav==NAV_UP && multiline) + { + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + set_edit_position(row>0 ? text.coords_to_offset(row-1, col) : 0); } + else if(nav==NAV_ACCEPT && !signal_enter.empty()) + signal_enter.emit(); + else + return false; + + return true; } -void Entry::render_special(const Part &part) const +void Entry::animate(const Time::TimeDelta &) { - if(part.get_name()=="text") - text.render(part, geom); - else if(part.get_name()=="cursor") + cursor_blink = !cursor_blink; + rebuild(); +} + +void Entry::on_geometry_change() +{ + 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; + } - unsigned row, col; - text.offset_to_coords(edit_pos, row, col); + text_part = style->get_part("text"); + + if(multiline) + check_view_range(); + + check_cursor_blink(); +} - Geometry rgeom = text.coords_to_geometry(row, col); - part.get_alignment().apply(rgeom, geom, part.get_margin()); +void Entry::set_edit_position(unsigned ep) +{ + edit_pos = ep; + check_view_range(); + rebuild(); +} - 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(); +void Entry::check_cursor_blink() +{ + cursor_blink = (state&FOCUS); + if((state&FOCUS) && style) + { + const Part *cursor_part = style->get_part("cursor"); + if(cursor_part && cursor_part->get_graphic(ACTIVE|FOCUS)!=cursor_part->get_graphic(NORMAL|FOCUS)) + { + set_animation_interval(Time::sec/2); + return; + } } + + stop_animation(); } -void Entry::on_style_change() +void Entry::check_view_range() { - text.set_style(style); + if(!multiline || !text_part) + return; + + 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 &ent): - Widget::Loader(ent) -{ } +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