X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fentry.cpp;h=70321dc5a68cf029128f07c52e9b06f44ea38f91;hb=8a829f00f36517625d57b002e3a479755c0eae6d;hp=3fa4c91bb36423d64e10986bafcd156e995fdf28;hpb=dc33fa600b334e10f52da4baf9758aacaca87f2c;p=libs%2Fgltk.git diff --git a/source/entry.cpp b/source/entry.cpp index 3fa4c91..70321dc 100644 --- a/source/entry.cpp +++ b/source/entry.cpp @@ -1,13 +1,6 @@ -/* $Id$ - -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" @@ -20,162 +13,426 @@ 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_width(10), + edit_height(1), edit_pos(0), first_row(0), visible_rows(1), text_part(0), - slider(0) + slider(0), + got_key_press(false), + cursor_blink(true), + selection_active(false), + selection_pos(0) { - 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(); + set_edit_position(text.size()); } -void Entry::set_multiline(bool m) +void Entry::insert(unsigned pos, const string &t) { - multiline = m; - if(multiline && !slider) - { - 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(); - } + text.insert(pos, t); + + if(edit_pos>=pos) + edit_pos += t.size(); + if(selection_active && selection_pos>=pos) + selection_pos += t.size(); + + if(multiline) + check_view_range(); + + rebuild(); } -void Entry::key_press(unsigned key, unsigned, wchar_t ch) +void Entry::erase(unsigned pos, unsigned len) { - if(key==Input::KEY_LEFT) + text.erase(pos, len); + + if(edit_pos>=pos+len) + edit_pos -= len; + else if(edit_pos>=pos) + edit_pos = pos; + if(selection_active) { - if(edit_pos>0) - { - --edit_pos; - check_view_range(); - } + if(selection_pos>=pos+len) + selection_pos -= len; + else if(selection_pos>=pos) + selection_pos = pos; } - else if(key==Input::KEY_RIGHT) + + if(multiline) + check_view_range(); + + rebuild(); +} + +void Entry::set_edit_position(unsigned pos) +{ + edit_pos = min(pos, text.size()); + selection_active = false; + + if(multiline) + check_view_range(); + + rebuild(); +} + +bool Entry::get_selection(unsigned &start, unsigned &end) const +{ + if(!selection_active) + return false; + + start = selection_pos; + end = edit_pos; + if(start>end) + swap(start, end); + + return true; +} + +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(edit_posset_step(1); + slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed)); + rebuild(); } + check_view_range(); } - else if(key==Input::KEY_DOWN && multiline) +} + +void Entry::rebuild_special(const Part &part) +{ + 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); - edit_pos = text.coords_to_offset(row+1, col); - check_view_range(); + + 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(key==Input::KEY_UP && multiline) + else if(part.get_name()=="selection") { + if(!selection_active) + return; + + const Graphic *graphic = part.get_graphic(state); + if(!text_part || !graphic || !graphic->get_texture()) + return; + + unsigned start = selection_pos; + unsigned end = edit_pos; + if(start>end) + swap(start, end); + unsigned row, col; - text.offset_to_coords(edit_pos, row, col); - if(row>0) + text.offset_to_coords(start, row, col); + unsigned end_row, end_col; + text.offset_to_coords(end, end_row, end_col); + + if(end_row=first_row+visible_rows) + return; + + if(row=first_row+visible_rows) + { + end_row = first_row+visible_rows-1; + end_col = text.get_line_length(end_row); + } + + while(row<=end_row) + { + unsigned ec = (row==end_row ? end_col : text.get_line_length(row)); + if(ec>col) + { + Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col); + Geometry egeom = text.coords_to_geometry(*text_part, geom, first_row, row, ec); + + GL::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture())); + bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0); + graphic->build(egeom.x-rgeom.x, part.get_geometry().h, bld); + } + + ++row; + col = 0; } - else - edit_pos = 0; } - else if(key==Input::KEY_BACKSPACE) + else if(part.get_name()=="slider") { - if(edit_pos>0) + if(multiline) { - text.erase(--edit_pos, 1); - check_view_range(); + reposition_child(*slider, part); + Widget::rebuild_special(part); } } - else if(key==Input::KEY_ENTER) + 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 mod) +{ + got_key_press = true; + if(key==Input::KEY_BACKSPACE) { - if(multiline) + if(selection_active) + erase_selection(); + else if(edit_pos>0) { - text.insert(edit_pos++, "\n"); + text.erase(--edit_pos, 1); check_view_range(); + rebuild(); } + } + else if(key==Input::KEY_DELETE) + { + if(selection_active) + erase_selection(); else - signal_enter.emit(); + text.erase(edit_pos, 1); } - else if(ch>=' ') + else if(key==Input::KEY_ENTER && multiline) { - text.insert(edit_pos, Codecs::encode(Codecs::ustring(1, ch))); - ++edit_pos; + text.insert(edit_pos++, "\n"); + check_view_range(); + rebuild(); + } + else if(key==Input::KEY_END) + { + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + set_edit_position(text.coords_to_offset(row, text.get_line_length(row)), mod==MOD_SHIFT); } + else if(key==Input::KEY_HOME) + { + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + set_edit_position(text.coords_to_offset(row, 0), mod==MOD_SHIFT); + } + else if(key==Input::KEY_LEFT && mod==MOD_SHIFT) + move_edit_position(NAV_LEFT, true); + else if(key==Input::KEY_RIGHT && mod==MOD_SHIFT) + move_edit_position(NAV_RIGHT, true); + else if(key==Input::KEY_UP && mod==MOD_SHIFT && multiline) + move_edit_position(NAV_UP, true); + else if(key==Input::KEY_DOWN && mod==MOD_SHIFT && multiline) + move_edit_position(NAV_DOWN, true); + else + return false; + + return true; } -void Entry::render_special(const Part &part) const +bool Entry::character(wchar_t ch) { - if(part.get_name()=="text") - text.render(part, geom, first_row); - else if(part.get_name()=="cursor") + if(got_key_press && ch>=' ' && ch!=0x7F) { - if(!text_part || !part.get_graphic(state)) - return; + if(selection_active) + erase_selection(); + text.insert(edit_pos, StringCodec::encode(StringCodec::ustring(1, ch))); + ++edit_pos; + rebuild(); + return true; + } - unsigned row, col; - text.offset_to_coords(edit_pos, row, col); + return false; +} - if(row=first_row+visible_rows) - return; +void Entry::focus_in() +{ + cursor_blink = true; + Widget::focus_in(); + check_cursor_blink(); +} - Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col); +void Entry::focus_out() +{ + Widget::focus_out(); + got_key_press = false; + check_cursor_blink(); +} - 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") - slider->render(); +bool Entry::navigate(Navigation nav) +{ + if(nav==NAV_LEFT || nav==NAV_RIGHT || ((nav==NAV_DOWN || nav==NAV_UP) && multiline)) + move_edit_position(nav, false); + else if(nav==NAV_ACCEPT && !signal_enter.empty()) + signal_enter.emit(); + else + return false; + + return true; +} + +void Entry::animate(const Time::TimeDelta &) +{ + cursor_blink = !cursor_blink; + rebuild(); } 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); - reposition_slider(); + + if(!style) + { + text_part = 0; + return; + } + + text_part = style->get_part("text"); + + if(multiline) + check_view_range(); + + check_cursor_blink(); +} + +void Entry::move_edit_position(Navigation nav, bool select) +{ + if(nav==NAV_LEFT) + { + if(edit_pos>0) + set_edit_position(edit_pos-1, select); + } + else if(nav==NAV_RIGHT) + { + if(edit_pos0 ? text.coords_to_offset(row-1, col) : 0), select); + } } -void Entry::reposition_slider() +void Entry::set_edit_position(unsigned ep, bool select) { - if(!slider) + if(select && !selection_active) + selection_pos = edit_pos; + selection_active = select; + + edit_pos = ep; + check_view_range(); + rebuild(); +} + +void Entry::erase_selection() +{ + if(!selection_active) return; - for(list::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i) - if(i->get_name()=="slider") - { - Geometry sgeom = i->get_geometry(); - i->get_alignment().apply(sgeom, geom, i->get_margin()); - slider->set_geometry(sgeom); - } + unsigned start = selection_pos; + unsigned end = edit_pos; + if(start>end) + swap(start, end); + + text.erase(start, end-start); + set_edit_position(start, false); } -void Entry::slider_value_changed(double value) +void Entry::check_cursor_blink() { - if(text.get_n_lines()>visible_rows) - first_row = text.get_n_lines()-visible_rows-static_cast(value); + 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::check_view_range() @@ -183,8 +440,7 @@ void Entry::check_view_range() if(!multiline || !text_part) return; - const GL::Font *font = style->get_font(); - float font_size = font->get_default_size(); + float font_size = style->get_font_size(); unsigned line_spacing = static_cast(font_size*6/5); const Sides &margin = text_part->get_margin(); @@ -198,18 +454,29 @@ 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); } -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