-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2010 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#include <msp/gl/matrix.h>
+#include <msp/gl/meshbuilder.h>
#include <msp/gl/texture.h>
-#include <msp/gl/transform.h>
#include <msp/input/keys.h>
#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),
- text(),
- multiline(false),
- edit_pos(0),
- first_row(0),
- visible_rows(1),
- text_part(0),
- slider(0)
-{
- update_style();
+Entry::Entry(const string &t)
+{
+ 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<unsigned>(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<unsigned>((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(size_t 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(size_t pos, size_t 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(size_t &start, size_t &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(size_t pos, size_t &row, size_t &col) const
+{
+ text.offset_to_coords(pos, row, col);
+}
+
+size_t Entry::translate_position(size_t row, size_t 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)
{
if(!slider)
{
- slider = new VSlider(res);
- add(*slider);
+ unique_ptr<VSlider> s = make_unique<VSlider>();
+ slider = s.get();
+ add(move(s));
slider->set_step(1);
slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
- reposition_slider();
+ mark_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")
{
- if(edit_pos>0)
- {
- --edit_pos;
- check_view_range();
- }
+ State cursor_state = (cursor_blink ? ACTIVE : NORMAL);
+ const Graphic *graphic = part.get_graphic(state|cursor_state);
+ if(!text_part || !graphic || !graphic->get_texture())
+ return;
+
+ size_t row, col;
+ text.offset_to_coords(edit_pos, row, col);
+
+ if(row<first_row || 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.transform(GL::Matrix::translation(rgeom.x, rgeom.y, 0));
+ graphic->build(part.get_geometry().w, part.get_geometry().h, bld);
}
- else if(key==Input::KEY_RIGHT)
+ else if(part.get_name()=="selection")
{
- if(edit_pos<text.size())
+ if(!selection_active)
+ return;
+
+ const Graphic *graphic = part.get_graphic(state);
+ if(!text_part || !graphic || !graphic->get_texture())
+ return;
+
+ size_t start, end;
+ get_selection(start, end);
+
+ size_t row, col;
+ text.offset_to_coords(start, row, col);
+ size_t end_row, end_col;
+ text.offset_to_coords(end, end_row, end_col);
+
+ if(end_row<first_row || row>=first_row+visible_rows)
+ return;
+
+ if(row<first_row)
{
- ++edit_pos;
- check_view_range();
+ row = first_row;
+ col = 0;
+ }
+
+ if(end_row>=first_row+visible_rows)
+ {
+ end_row = first_row+visible_rows-1;
+ end_col = text.get_line_length(end_row);
+ }
+
+ while(row<=end_row)
+ {
+ size_t 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.transform(GL::Matrix::translation(rgeom.x, rgeom.y, 0));
+ graphic->build(egeom.x-rgeom.x, part.get_geometry().h, bld);
+ }
+
+ ++row;
+ col = 0;
}
}
- else if(key==Input::KEY_DOWN && multiline)
- {
- unsigned row, col;
- text.offset_to_coords(edit_pos, row, col);
- edit_pos = text.coords_to_offset(row+1, col);
- check_view_range();
- }
- else if(key==Input::KEY_UP && multiline)
+ else if(part.get_name()=="slider")
{
- unsigned row, col;
- text.offset_to_coords(edit_pos, row, col);
- if(row>0)
+ if(multiline)
{
- edit_pos = text.coords_to_offset(row-1, col);
- check_view_range();
+ reposition_child(*slider, part);
+ Widget::rebuild_special(part);
}
- else
- edit_pos = 0;
}
- else if(key==Input::KEY_BACKSPACE)
+ 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(edit_pos>0)
+ if(selection_active)
+ erase_selection(true);
+ else if(edit_pos>0)
{
- text.erase(--edit_pos, 1);
- check_view_range();
+ size_t start_pos = text.move_offset(edit_pos, -1);
+ erase(start_pos, edit_pos-start_pos);
}
}
- else if(key==Input::KEY_ENTER)
+ else if(key==Input::KEY_DELETE)
{
- if(multiline)
+ if(selection_active)
+ erase_selection(true);
+ else
{
- text.insert(edit_pos++, "\n");
- check_view_range();
+ size_t end_pos = text.move_offset(edit_pos, 1);
+ erase(edit_pos, end_pos-edit_pos);
}
- else
- signal_enter.emit();
}
- else if(ch>=' ')
+ else if(key==Input::KEY_ENTER && multiline)
+ insert(edit_pos, "\n");
+ else if(key==Input::KEY_END)
+ {
+ size_t 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)
{
- text.insert(edit_pos, Codecs::encode<Codecs::Utf8>(Codecs::ustring(1, ch)));
- ++edit_pos;
+ size_t 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_PGUP)
+ {
+ size_t row, col;
+ text.offset_to_coords(edit_pos, row, col);
+ set_edit_position(text.coords_to_offset((row<visible_rows ? 0 : row-visible_rows), col), mod==MOD_SHIFT);
}
+ else if(key==Input::KEY_PGDN)
+ {
+ size_t row, col;
+ text.offset_to_coords(edit_pos, row, col);
+ set_edit_position(text.coords_to_offset(row+visible_rows, col), 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(false);
+ insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
+ return true;
+ }
- unsigned row, col;
- text.offset_to_coords(edit_pos, row, col);
+ return false;
+}
- if(row<first_row || 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
+ return false;
+
+ return true;
}
-void Entry::on_geometry_change()
+void Entry::animate(const Time::TimeDelta &)
{
- reposition_slider();
+ cursor_blink = !cursor_blink;
+ mark_rebuild();
+}
+void Entry::on_size_change()
+{
if(multiline)
check_view_range();
}
void Entry::on_style_change()
{
- text_part = style->get_part("text");
-
text.set_style(style);
- reposition_slider();
+
+ if(!style)
+ {
+ text_part = nullptr;
+ return;
+ }
+
+ text_part = style->find_part("text");
if(multiline)
check_view_range();
+
+ check_cursor_blink();
}
-void Entry::reposition_slider()
+void Entry::move_edit_position(Navigation nav, bool select)
{
- if(!slider)
- return;
+ 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)
+ {
+ size_t row, col;
+ text.offset_to_coords(edit_pos, row, col);
+ set_edit_position(text.coords_to_offset(row+1, col), select);
+ }
+ else if(nav==NAV_UP)
+ {
+ size_t 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::adjust_edit_position_for_change(size_t pos, ptrdiff_t change)
+{
+ size_t old_edit_pos = edit_pos;
+ size_t old_select_pos = selection_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<size_t>(edit_pos-pos, -change);
+ if(selection_active && selection_pos>=pos)
+ selection_pos -= min<size_t>(selection_pos-pos, -change);
+ }
- if(const Part *slider_part = style->get_part("slider"))
+ if(edit_pos!=old_edit_pos)
+ signal_edit_position_changed.emit(edit_pos);
+ if(selection_active && (edit_pos!=old_edit_pos || selection_pos!=old_select_pos))
{
- Geometry sgeom = slider_part->get_geometry();
- slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
- slider->set_geometry(sgeom);
+ size_t start, end;
+ if(get_selection(start, end))
+ signal_selection_changed.emit(start, end);
}
}
-void Entry::slider_value_changed(double value)
+void Entry::set_edit_position(size_t ep, bool select)
{
- if(text.get_n_lines()>visible_rows)
- first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
+ bool selection_was_active = selection_active;
+ if(select && !selection_active)
+ selection_pos = edit_pos;
+ selection_active = select;
+
+ size_t old_edit_pos = edit_pos;
+ edit_pos = min(ep, text.size());
+
+ if(edit_pos!=old_edit_pos)
+ {
+ signal_edit_position_changed.emit(edit_pos);
+ size_t start, end;
+ if(get_selection(start, end))
+ signal_selection_changed.emit(start, end);
+ else if(selection_was_active)
+ signal_selection_changed.emit(edit_pos, edit_pos);
+ }
+
+ if(multiline)
+ check_view_range();
+ mark_rebuild();
+}
+
+void Entry::erase_selection(bool emit_change)
+{
+ size_t start, end;
+ if(!get_selection(start, end))
+ return;
+
+ text.erase(start, end-start);
+ if(emit_change)
+ signal_text_changed.emit(text.get());
+ set_edit_position(start, false);
+}
+
+void Entry::check_cursor_blink()
+{
+ const Part *cursor_part = style->find_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()
if(!multiline || !text_part)
return;
- const GL::Font *font = style->get_font();
- float font_size = font->get_default_size();
- unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
+ visible_rows = text.get_visible_lines(*text_part, geom, nullptr);
- const Sides &margin = text_part->get_margin();
- visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U);
-
- unsigned row, col;
+ size_t row, col;
text.offset_to_coords(edit_pos, row, col);
+ size_t 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)
+ size_t scroll = max<size_t>(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);
+ size_t old_first_row = first_row;
+ first_row = text.get_n_lines()-visible_rows-static_cast<size_t>(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<Entry, Widget::Loader>(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
projects / libs / gltk.git / blobdiff