X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fentry.cpp;h=3212d85b1691a0082670f8dba996f1adc24193fe;hb=43625734822bdaaea4e42505b7040d404298721c;hp=3fa4c91bb36423d64e10986bafcd156e995fdf28;hpb=dc33fa600b334e10f52da4baf9758aacaca87f2c;p=libs%2Fgltk.git diff --git a/source/entry.cpp b/source/entry.cpp index 3fa4c91..3212d85 100644 --- a/source/entry.cpp +++ b/source/entry.cpp @@ -1,181 +1,466 @@ -/* $Id$ - -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 "slider.h" #include "style.h" -#include "vslider.h" 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(); + if(t!=text.get()) + { + text = t; + signal_text_changed.emit(text.get()); + } + set_edit_position(text.size()); +} + +void Entry::insert(unsigned pos, const string &t) +{ + if(t.empty()) + return; + + text.insert(pos, t); + signal_text_changed.emit(text.get()); + + adjust_edit_position_for_change(pos, t.size()); + if(multiline) + check_view_range(); + + mark_rebuild(); +} + +void Entry::erase(unsigned pos, unsigned len) +{ + if(!len) + return; + + text.erase(pos, len); + signal_text_changed.emit(text.get()); + + adjust_edit_position_for_change(pos, -len); + if(multiline) + check_view_range(); + + mark_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::translate_position(unsigned pos, unsigned &row, unsigned &col) const +{ + text.offset_to_coords(pos, row, col); +} + +unsigned Entry::translate_position(unsigned row, unsigned col) const +{ + return text.coords_to_offset(row, col); +} + +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 && !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)); + mark_rebuild(); + } + check_view_range(); } } -void Entry::key_press(unsigned key, unsigned, wchar_t ch) +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); + + 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()=="selection") + { + if(!selection_active) + return; + + const Graphic *graphic = part.get_graphic(state); + if(!text_part || !graphic || !graphic->get_texture()) + return; + + unsigned start, end; + get_selection(start, end); + + unsigned row, col; + 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 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 mod) { - if(key==Input::KEY_LEFT) + got_key_press = true; + if(key==Input::KEY_BACKSPACE) { - if(edit_pos>0) + if(selection_active) + erase_selection(true); + else if(edit_pos>0) { - --edit_pos; - check_view_range(); + unsigned start_pos = text.move_offset(edit_pos, -1); + erase(start_pos, edit_pos-start_pos); } } - else if(key==Input::KEY_RIGHT) + else if(key==Input::KEY_DELETE) { - if(edit_pos0) - { - edit_pos = text.coords_to_offset(row-1, col); - check_view_range(); - } - else - edit_pos = 0; + set_edit_position(text.coords_to_offset(row, 0), mod==MOD_SHIFT); } - else if(key==Input::KEY_BACKSPACE) + else if(key==Input::KEY_PGUP) { - if(edit_pos>0) - { - text.erase(--edit_pos, 1); - check_view_range(); - } + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + set_edit_position(text.coords_to_offset((row=' ') + 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; +} + +bool Entry::character(wchar_t ch) +{ + if(got_key_press && ch>=' ' && ch!=0x7F) { - text.insert(edit_pos, Codecs::encode(Codecs::ustring(1, ch))); - ++edit_pos; + if(selection_active) + erase_selection(false); + insert(edit_pos, StringCodec::encode(StringCodec::ustring(1, ch))); + return true; } + + return false; } -void Entry::render_special(const Part &part) const +void Entry::focus_in() { - if(part.get_name()=="text") - text.render(part, geom, first_row); - else if(part.get_name()=="cursor") + 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 || 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; + mark_rebuild(); +} + +void Entry::on_size_change() +{ + if(multiline) + check_view_range(); +} + +void Entry::on_style_change() +{ + text.set_style(style); + + if(!style) { - if(!text_part || !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(row=first_row+visible_rows) - return; + if(multiline) + check_view_range(); - Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col); + 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(); +void Entry::move_edit_position(Navigation nav, bool select) +{ + if(nav==NAV_LEFT) + set_edit_position(text.move_offset(edit_pos, -1), select); + else if(nav==NAV_RIGHT) + set_edit_position(text.move_offset(edit_pos, 1), select); + else if(nav==NAV_DOWN) + { + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + set_edit_position(text.coords_to_offset(row+1, col), select); } - else if(part.get_name()=="slider") - slider->render(); + else if(nav==NAV_UP) + { + unsigned row, col; + text.offset_to_coords(edit_pos, row, col); + set_edit_position((row>0 ? text.coords_to_offset(row-1, col) : 0), select); + } + else + throw invalid_argument("Entry::move_edit_position"); } -void Entry::on_geometry_change() +void Entry::adjust_edit_position_for_change(unsigned pos, int change) { - reposition_slider(); + unsigned old_edit_pos = edit_pos; + + if(change>0) + { + if(edit_pos>=pos) + edit_pos += change; + if(selection_active && selection_pos>=pos) + selection_pos += change; + } + else if(change<0) + { + if(edit_pos>=pos) + edit_pos -= min(edit_pos-pos, -change); + if(selection_active) + selection_pos -= min(selection_pos-pos, -change); + } + + if(edit_pos!=old_edit_pos) + signal_edit_position_changed.emit(edit_pos); } -void Entry::on_style_change() +void Entry::set_edit_position(unsigned ep, bool select) { - 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; + if(select && !selection_active) + selection_pos = edit_pos; + selection_active = select; - text.set_style(style); - reposition_slider(); + unsigned old_edit_pos = edit_pos; + edit_pos = min(ep, text.size()); + + if(edit_pos!=old_edit_pos) + signal_edit_position_changed.emit(edit_pos); + + if(multiline) + check_view_range(); + mark_rebuild(); } -void Entry::reposition_slider() +void Entry::erase_selection(bool emit_change) { - if(!slider) + unsigned start, end; + if(!get_selection(start, end)) 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); - } + text.erase(start, end-start); + if(emit_change) + signal_text_changed.emit(text.get()); + 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); + const Part *cursor_part = style->get_part("cursor"); + bool has_blink = (cursor_part && cursor_part->get_graphic(ACTIVE|FOCUS)!=cursor_part->get_graphic(NORMAL|FOCUS)); + + cursor_blink = (state&FOCUS); + if((state&FOCUS) && style && has_blink) + { + set_animation_interval(Time::sec/2); + mark_rebuild(); + } + else + { + if(has_blink) + mark_rebuild(); + stop_animation(); + } } void Entry::check_view_range() @@ -183,33 +468,53 @@ void Entry::check_view_range() if(!multiline || !text_part) return; - const GL::Font *font = style->get_font(); - float font_size = font->get_default_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); + visible_rows = text.get_visible_lines(*text_part, geom, 0); unsigned row, col; text.offset_to_coords(edit_pos, row, col); + unsigned old_first_row = first_row; if(first_row>row) first_row = row; 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; + if(first_row>scroll) + first_row = scroll; + + if(first_row!=old_first_row) + signal_scroll_position_changed.emit(first_row); + + slider->set_range(0, scroll); + slider->set_page_size(visible_rows); + slider->set_value(scroll-first_row); +} + +void Entry::slider_value_changed(double value) +{ + if(text.get_n_lines()>visible_rows) { - unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows; - slider->set_range(0, scroll); - slider->set_value(scroll-first_row); + unsigned old_first_row = first_row; + first_row = text.get_n_lines()-visible_rows-static_cast(value); + if(first_row!=old_first_row) + signal_scroll_position_changed.emit(first_row); + mark_rebuild(); } } -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