+#include <msp/core/raii.h>
+#include <msp/debug/demangle.h>
#include <msp/gl/matrix.h>
#include <msp/gl/meshbuilder.h>
+#include <msp/input/keys.h>
+#include <msp/strings/format.h>
#include "graphic.h"
#include "list.h"
#include "part.h"
#include "style.h"
#include "text.h"
-#include "vslider.h"
using namespace std;
namespace Msp {
namespace GLtk {
+incompatible_data::incompatible_data(const type_info &ti):
+ logic_error("expected "+Debug::demangle(ti.name()))
+{ }
+
+
+List::List(unique_ptr<ListData> d):
+ List(*d)
+{
+ own_data = move(d);
+}
+
List::List():
- sel_index(-1),
- first(0),
- n_visible(1),
- row_height(1),
- items_part(0)
+ List(make_unique<BasicListData<string>>())
+{ }
+
+List::List(ListData &d):
+ data(&d),
+ observer(make_unique<DataObserver>(*this))
{
+ input_type = INPUT_NAVIGATION;
+
add(slider);
slider.set_step(1);
slider.signal_value_changed.connect(sigc::mem_fun(this, &List::slider_value_changed));
}
-void List::autosize()
+void List::autosize_special(const Part &part, Geometry &ageom) const
{
- autosize_rows(5);
-}
-
-void List::autosize_rows(unsigned n)
-{
- if(!style)
- return;
-
- Widget::autosize();
-
- if(items_part)
+ if(part.get_name()=="items")
{
- const Sides &margin = items_part->get_margin();
- const GL::Font &font = style->get_font();
- float font_size = style->get_font_size();
+ const Sides &margin = part.get_margin();
- unsigned max_w = 0;
- for(vector<string>::iterator i=items.begin(); i!=items.end(); ++i)
+ unsigned items_w = 0;
+ unsigned items_h = 0;
+ for(size_t i=0; i<items.size(); ++i)
{
- unsigned w = static_cast<unsigned>(font.get_string_width(*i)*font_size);
- max_w = max(max_w, w);
+ Geometry igeom;
+ items[i]->autosize(igeom);
+ items_w = max(items_w, igeom.w);
+ items_h = max(items_h, igeom.h);
}
- geom.w = max(geom.w, max_w+margin.left+margin.right);
- geom.h = max(geom.h, n*row_height+margin.top+margin.bottom);
- }
-
- if(const Part *slider_part = style->get_part("slider"))
- {
- Geometry sgeom = slider_part->get_geometry();
- if(!sgeom.w || !sgeom.h)
+ if(view_mode==GRID)
{
- slider.autosize();
- if(!sgeom.w)
- sgeom.w = slider.get_geometry().w;
- if(!sgeom.h)
- sgeom.h = slider.get_geometry().h;
+ unsigned r = view_rows;
+ unsigned c = view_columns;
+ if(r==0 && c==0)
+ r = sqrt(items.size());
+ if(r==0)
+ r = (items.size()+c-1)/c;
+ if(c==0)
+ c = (items.size()+r-1)/r;
+ items_w *= c;
+ items_h *= r;
}
+ else
+ items_h *= (view_rows==0 ? items.size() : view_rows);
- const Sides &margin = slider_part->get_margin();
- geom.w = max(geom.w, sgeom.w+margin.left+margin.right);
- geom.h = max(geom.h, sgeom.h+margin.top+margin.bottom);
-
- reposition_slider();
+ ageom.w = max(ageom.w, items_w+margin.left+margin.right);
+ ageom.h = max(ageom.h, items_h+margin.top+margin.bottom);
}
-
- check_view_range();
- rebuild();
+ else if(part.get_name()=="slider")
+ autosize_child(slider, part, ageom);
}
-void List::autosize_all()
+void List::set_data(ListData &d)
{
- autosize_rows(items.size());
-}
+ if(item_factory)
+ item_factory->set_data(d);
-void List::append(const string &v)
-{
- items.push_back(v);
- items_changed();
-}
+ observer.reset();
+ own_data.reset();
-void List::insert(unsigned i, const string &v)
-{
- if(i>items.size())
- throw out_of_range("List::insert");
+ data = &d;
+ observer = make_unique<DataObserver>(*this);
+
+ items.clear();
+ size_t n_items = data->size();
+ for(size_t i=0; i<n_items; ++i)
+ items.emplace_back(create_item(i));
- items.insert(items.begin()+i, v);
items_changed();
}
-void List::remove(unsigned i)
+void List::items_changed()
{
- if(i>items.size())
- throw out_of_range("List::remove");
-
- items.erase(items.begin()+i);
- if(sel_index>static_cast<int>(i))
- --sel_index;
- else if(sel_index==static_cast<int>(i))
- sel_index = -1;
+ signal_autosize_changed.emit();
+ mark_rebuild();
+}
- items_changed();
+unique_ptr<List::Item> List::create_item(size_t index)
+{
+ unique_ptr<Item> item;
+ if(item_factory)
+ item = item_factory->create_item(index);
+ else
+ item = make_unique<BasicItem>(data->get_string(index));
+ if(index==sel_index)
+ item->set_active(true);
+ add(*item);
+ item->autosize();
+ item->signal_autosize_changed.connect(sigc::bind(sigc::mem_fun(this, &List::item_autosize_changed), item.get()));
+ return item;
}
-void List::clear()
+void List::set_view_size(unsigned s)
{
- items.clear();
- sel_index = -1;
- items_changed();
+ set_view_size(s, s);
}
-void List::items_changed()
+void List::set_view_size(unsigned r, unsigned c)
{
- check_view_range();
+ view_rows = r;
+ view_columns = c;
signal_autosize_changed.emit();
- rebuild();
}
-void List::set_selected_index(int i)
+void List::set_view_all()
+{
+ set_view_size(0);
+}
+
+void List::set_selected_index(size_t i)
{
- if(i<0)
- sel_index = -1;
- else if(i<static_cast<int>(items.size()))
+ if(i>=data->size() && i!=INVALID_INDEX)
+ throw out_of_range("List::set_selected_index");
+
+ if(i==sel_index)
+ return;
+
+ if(sel_index!=INVALID_INDEX)
+ items[sel_index]->set_active(false);
+
+ sel_index = i;
+ focus_index = i;
+ if(i==INVALID_INDEX)
{
- sel_index = i;
- signal_item_selected.emit(sel_index, items[sel_index]);
+ set_input_focus(nullptr);
+ signal_selection_cleared.emit();
}
else
- throw out_of_range("List::set_selected_index");
+ {
+ items[sel_index]->set_active(true);
+ if(state&FOCUS)
+ set_input_focus(items[focus_index].get());
+ signal_item_selected.emit(sel_index);
+ }
+}
+
+void List::set_selected_item(Widget *item)
+{
+ for(size_t i=rows[first_row].first; (i<items.size() && items[i]->is_visible()); ++i)
+ if(item==items[i].get())
+ return set_selected_index(i);
}
-const string &List::get_selected() const
+void List::rebuild_special(const Part &part)
{
- if(sel_index<0)
- throw logic_error("sel_index<0");
+ if(part.get_name()=="slider")
+ reposition_child(slider, part);
+ else if(part.get_name()=="items")
+ {
+ SetFlag flag(ignore_slider_change);
+ reposition_items(true);
+ size_t old_first_row = first_row;
+ size_t old_max_scroll = max_scroll;
+ check_view_range();
+ if(first_row!=old_first_row || max_scroll!=old_max_scroll)
+ reposition_items(false);
+ }
- return items[sel_index];
+ Widget::rebuild_special(part);
}
-void List::rebuild_special(const Part &part, CachedPart &cache)
+void List::render_special(const Part &part, GL::Renderer &renderer) const
{
if(part.get_name()=="items")
{
- const Sides &margin = part.get_margin();
- Geometry pgeom = geom;
- pgeom.h = row_height+margin.top+margin.bottom;
+ for(size_t i=rows[first_row].first; (i<items.size() && items[i]->is_visible()); ++i)
+ items[i]->render(renderer);
+ }
+ else if(part.get_name()=="slider")
+ slider.render(renderer);
+}
- const GL::Font &font = style->get_font();
- cache.texture = &font.get_texture();
- cache.clear_mesh();
+bool List::key_press(unsigned key, unsigned mod)
+{
+ if(key==Input::KEY_UP && mod==MOD_CTRL)
+ move_focus(NAV_UP, false);
+ else if(key==Input::KEY_DOWN && mod==MOD_CTRL)
+ move_focus(NAV_DOWN, false);
+ else
+ return false;
- GL::MeshBuilder bld(*cache.mesh);
- bld.color(style->get_font_color());
- bld.matrix() *= GL::Matrix::translation(pgeom.x, pgeom.y+geom.h-pgeom.h, 0);
+ return true;
+}
- for(unsigned i=0; (i<n_visible && first+i<items.size()); ++i)
+void List::button_press(int x, int y, unsigned btn)
+{
+ if(btn==4 || btn==5)
+ {
+ size_t change = 3;
+ if(btn==4)
+ {
+ change = min(first_row, change);
+ slider.set_value(max_scroll-(first_row-change));
+ }
+ else if(btn==5)
{
- if(i!=0)
- bld.matrix() *= GL::Matrix::translation(0, -static_cast<int>(row_height), 0);
+ change = min(max_scroll-first_row, change);
+ slider.set_value(max_scroll-(first_row+change));
+ }
+ }
+ else
+ {
+ Container::button_press(x, y, btn);
+ if(click_focus && btn==1)
+ set_selected_item(click_focus);
+ }
+}
- GL::MatrixStack::Push _pushm(bld.matrix());
- bld.matrix() *= GL::Matrix::scaling(style->get_font_size());
+void List::touch_press(int x, int y, unsigned finger)
+{
+ if(finger==0)
+ {
+ dragging = true;
+ drag_start_x = x;
+ drag_start_y = y;
+ }
+}
- style->get_font().build_string(items[first+i], bld);
+void List::touch_release(int x, int y, unsigned finger)
+{
+ if(finger==0)
+ {
+ int dx = x-drag_start_x;
+ int dy = y-drag_start_y;
+ if(dx*dx+dy*dy<25)
+ {
+ Container::touch_press(drag_start_x, drag_start_y, finger);
+ if(touch_focus)
+ set_selected_item(touch_focus);
+ Container::touch_motion(x, y, finger);
+ Container::touch_release(x, y, finger);
}
+ dragging = false;
}
- else if(part.get_name()=="selection")
+}
+
+void List::touch_motion(int, int y, unsigned finger)
+{
+ if(finger==0 && !items.empty() && dragging)
{
- if(sel_index>=static_cast<int>(first) && sel_index<static_cast<int>(first+n_visible))
+ int dy = y-drag_start_y;
+ if(dy>0 && first_row<max_scroll)
+ {
+ int row_h = rows[first_row].height;
+ if(dy>row_h)
+ {
+ drag_start_y += row_h;
+ slider.set_value(max_scroll-(first_row+1));
+ }
+ }
+ else if(dy<0 && first_row>0)
{
- const Sides &margin = part.get_margin();
+ int row_h = rows[first_row-1].height;
+ if(-dy>row_h)
+ {
+ drag_start_y -= row_h;
+ slider.set_value(max_scroll-(first_row-1));
+ }
+ }
+ }
+}
- Geometry pgeom = geom;
- pgeom.h = row_height;
- pgeom.w -= margin.left+margin.right;
+void List::focus_in()
+{
+ Container::focus_in();
+ if(focus_index!=INVALID_INDEX && items[focus_index]->is_visible())
+ set_input_focus(items[focus_index].get());
+ else
+ {
+ if(sel_index!=INVALID_INDEX && items[sel_index]->is_visible())
+ set_focus_index(sel_index);
+ else if(!items.empty())
+ set_focus_index(rows[first_row].first);
+ }
+}
- Geometry rgeom = part.get_geometry();
- rgeom.y += geom.h-margin.top-row_height*(sel_index-first+1);
- rgeom.x += margin.left;
- part.get_alignment().apply(rgeom, pgeom);
+bool List::navigate(Navigation nav)
+{
+ if((nav==NAV_UP || nav==NAV_DOWN || ((nav==NAV_LEFT || nav==NAV_RIGHT) && view_mode==GRID)) && !items.empty())
+ move_focus(nav, true);
+ else if(nav==NAV_ACTIVATE)
+ set_selected_index(focus_index);
+ else
+ return false;
- cache.texture = part.get_graphic(state)->get_texture();
- cache.clear_mesh();
+ return true;
+}
- GL::MeshBuilder bld(*cache.mesh);
- bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
- part.get_graphic(state)->build(rgeom.w, rgeom.h, bld);
- }
+void List::on_style_change()
+{
+ items_part = (style ? style->find_part("items") : nullptr);
+}
+
+void List::move_focus(Navigation nav, bool select)
+{
+ if(nav==NAV_UP && view_mode==GRID)
+ {
+ size_t row = item_index_to_row(focus_index);
+ if(row>0)
+ set_focus_index(rows[row-1].first+focus_index-rows[row].first);
+ else
+ set_focus_index(0);
+ }
+ else if(nav==NAV_DOWN && view_mode==GRID)
+ {
+ size_t row = item_index_to_row(focus_index);
+ if(row+1<rows.size())
+ set_focus_index(rows[row+1].first+focus_index-rows[row].first);
else
- cache.texture = 0;
+ set_focus_index(items.size()-1);
+ }
+ else if(nav==NAV_UP || (nav==NAV_LEFT && view_mode==GRID))
+ {
+ if(focus_index>0)
+ set_focus_index(focus_index-1);
}
+ else if(nav==NAV_DOWN || (nav==NAV_RIGHT && view_mode==GRID))
+ {
+ if(focus_index+1<items.size())
+ set_focus_index(focus_index+1);
+ }
+
+ if(select)
+ set_selected_index(focus_index);
}
-void List::render_special(const Part &part) const
+void List::set_focus_index(size_t i)
{
- if(part.get_name()=="slider")
- slider.render();
+ focus_index = i;
+ if(focus_index!=INVALID_INDEX)
+ {
+ scroll_to_focus();
+ if(state&FOCUS)
+ set_input_focus(items[focus_index].get());
+ }
}
-void List::button_press(int x, int y, unsigned btn)
+void List::item_autosize_changed(Item *item)
+{
+ item->autosize();
+ signal_autosize_changed.emit();
+ mark_rebuild();
+}
+
+void List::reposition_items(bool record_rows)
{
- Container::button_press(x, y, btn);
- if(!click_focus && btn==1)
+ if(!items_part)
+ return;
+
+ if(record_rows)
{
- if(items_part)
- y += items_part->get_margin().top;
+ rows.clear();
+ rows.push_back(0);
+ }
- unsigned i = (geom.h-1-y)/row_height;
- if(i<n_visible && first+i<items.size())
+ const Sides &margin = items_part->get_margin();
+ unsigned view_w = geom.w-min(geom.w, margin.left+margin.right);
+ unsigned x = 0;
+ unsigned y = 0;
+ unsigned row_h = 0;
+ for(size_t i=0; i<items.size(); ++i)
+ {
+ const Geometry &igeom = items[i]->get_geometry();
+
+ if(view_mode!=GRID || (x>0 && x+igeom.w>view_w))
{
- sel_index = first+i;
+ x = 0;
+ if(y)
+ y -= row_h;
+ if(record_rows && i>0)
+ {
+ rows.back().height = row_h;
+ rows.push_back(i);
+ }
+ row_h = 0;
+ }
+
+ if(first_row<rows.size() && i==rows[first_row].first)
+ y = geom.h-min(geom.h, margin.top);
- signal_item_selected.emit(sel_index, items[sel_index]);
- rebuild();
+ if(!y)
+ items[i]->set_visible(false);
+ else if(igeom.h+margin.bottom<=y)
+ {
+ items[i]->set_visible(true);
+ unsigned iw = (view_mode==GRID ? igeom.w : view_w);
+ items[i]->set_geometry(Geometry(margin.left+x, y-igeom.h, iw, igeom.h));
+ }
+ else
+ {
+ for(size_t j=rows.back().first; j<=i; ++j)
+ items[j]->set_visible(false);
+ y = 0;
}
+
+ x += igeom.w;
+ row_h = max(row_h, igeom.h);
}
+
+ if(record_rows)
+ rows.back().height = row_h;
}
-void List::on_geometry_change()
+size_t List::last_to_first_row(size_t last) const
{
- reposition_slider();
+ if(!items_part)
+ return last;
+
+ const Sides &margin = items_part->get_margin();
+ unsigned view_h = geom.h-min(geom.h, margin.top+margin.bottom);
- check_view_range();
+ unsigned items_h = 0;
+ for(size_t i=last; i<rows.size(); --i)
+ {
+ items_h += rows[i].height;
+ if(items_h>view_h)
+ return min(i+1, last);
+ }
+
+ return 0;
}
-void List::on_style_change()
+size_t List::item_index_to_row(size_t index) const
+{
+ for(size_t i=0; i+1<rows.size(); ++i)
+ if(rows[i+1].first>index)
+ return i;
+ return rows.size()-1;
+}
+
+void List::check_view_range()
{
if(!style)
- {
- items_part = 0;
return;
- }
- reposition_slider();
+ if(items.empty())
+ max_scroll = 0;
+ else
+ max_scroll = last_to_first_row(rows.size()-1);
- items_part = style->get_part("items");
+ if(first_row>max_scroll)
+ first_row = max_scroll;
- const GL::Font &font = style->get_font();
- row_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*style->get_font_size());
+ slider.set_range(0, max_scroll);
+ slider.set_page_size(rows.size()-max_scroll);
+ slider.set_value(max_scroll-first_row);
+}
+
+void List::scroll_to_focus()
+{
+ if(focus_index==INVALID_INDEX || items[focus_index]->is_visible())
+ return;
- check_view_range();
+ size_t focus_row = item_index_to_row(focus_index);
+ if(focus_row<first_row)
+ slider.set_value(max_scroll-focus_row);
+ else
+ slider.set_value(max_scroll-last_to_first_row(focus_row));
}
-void List::reposition_slider()
+void List::slider_value_changed(double value)
{
- if(!style)
+ if(max_scroll>0 && !ignore_slider_change)
+ {
+ first_row = max_scroll-static_cast<size_t>(value);
+ mark_rebuild();
+ }
+}
+
+void List::adjust_index(size_t &index, size_t pos, ptrdiff_t change)
+{
+ if(index==INVALID_INDEX)
return;
+ else if(index>pos)
+ index += change;
+ else if(index==pos)
+ index = (change>0 ? index+change : INVALID_INDEX);
+}
+
+
+List::DataObserver::DataObserver(List &l):
+ list(l)
+{
+ list.data->signal_item_added.connect(sigc::mem_fun(this, &DataObserver::item_added));
+ list.data->signal_item_removed.connect(sigc::mem_fun(this, &DataObserver::item_removed));
+ list.data->signal_cleared.connect(sigc::mem_fun(this, &DataObserver::cleared));
+ list.data->signal_refresh_item.connect(sigc::mem_fun(this, &DataObserver::refresh_item));
+}
+
+void List::DataObserver::item_added(size_t i)
+{
+ adjust_index(list.sel_index, i, 1);
+ adjust_index(list.focus_index, i, 1);
+
+ list.items.insert(list.items.begin()+i, list.create_item(i));
+ list.items_changed();
+}
+
+void List::DataObserver::item_removed(size_t i)
+{
+ bool had_selection = (list.sel_index!=INVALID_INDEX);
+ adjust_index(list.sel_index, i, -1);
+ adjust_index(list.focus_index, i, -1);
+
+ list.items.erase(list.items.begin()+i);
+ list.items_changed();
- if(const Part *slider_part = style->get_part("slider"))
+ if(had_selection && list.sel_index==INVALID_INDEX)
+ list.signal_selection_cleared.emit();
+}
+
+void List::DataObserver::cleared()
+{
+ list.sel_index = INVALID_INDEX;
+ list.focus_index = INVALID_INDEX;
+ list.items.clear();
+ list.items_changed();
+
+ list.signal_selection_cleared.emit();
+}
+
+void List::DataObserver::refresh_item(size_t i)
+{
+ // Destroy the old item before calling create_item
+ list.items[i].reset();
+ list.items[i] = list.create_item(i);
+ list.items_changed();
+}
+
+
+List::Item::Item()
+{
+ input_type = INPUT_NAVIGATION;
+}
+
+void List::Item::autosize_special(const Part &part, Geometry &ageom) const
+{
+ if(part.get_name()=="children")
{
- Geometry sgeom = slider_part->get_geometry();
- slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
- slider.set_geometry(sgeom);
+ const Sides &margin = part.get_margin();
+ for(const unique_ptr<Child> &c: children)
+ {
+ Geometry cgeom;
+ c->widget->autosize(cgeom);
+ ageom.w = max(ageom.w, cgeom.x+cgeom.w+margin.right);
+ ageom.h = max(ageom.h, cgeom.y+cgeom.h+margin.top);
+ }
}
}
-void List::check_view_range()
+void List::Item::set_active(bool a)
+{
+ set_state(ACTIVE, (a ? ACTIVE : NORMAL));
+}
+
+void List::Item::render_special(const Part &part, GL::Renderer &renderer) const
{
- unsigned h = geom.h;
- if(items_part)
+ if(part.get_name()=="children")
{
- const Sides &margin = items_part->get_margin();
- h -= margin.top+margin.bottom;
+ for(const unique_ptr<Child> &c: children)
+ c->widget->render(renderer);
}
+}
+
- n_visible = h/row_height;
+void List::SimpleItem::on_style_change()
+{
+ if(!style || children.empty())
+ return;
- if(first+n_visible>items.size())
+ Widget *child = children.front()->widget;
+ child->autosize();
+ if(const Part *part = style->find_part("children"))
{
- if(items.size()>n_visible)
- first = items.size()-n_visible;
- else
- first = 0;
+ const Sides &margin = part->get_margin();
+ child->set_position(margin.left, margin.bottom);
}
+}
+
- if(items.size()>n_visible)
+void List::MultiColumnItem::check_widths(vector<unsigned> &widths) const
+{
+ if(widths.size()<children.size())
+ widths.resize(children.size(), 0);
+
+ size_t n = 0;
+ for(const unique_ptr<Child> &c: children)
{
- slider.set_range(0, items.size()-n_visible);
- slider.set_value(items.size()-n_visible-first);
+ Geometry cgeom;
+ c->widget->autosize(cgeom);
+ // TODO invent a better way to specify spacings
+ widths[n] = max(widths[n], cgeom.w+8);
+ ++n;
}
- else
+}
+
+void List::MultiColumnItem::set_widths(const vector<unsigned> &widths)
+{
+ if(!style)
+ return;
+
+ const Part *part = style->find_part("children");
+ if(!part)
+ return;
+
+ const Sides &margin = part->get_margin();
+ int x = margin.left;
+ size_t n = 0;
+ for(const unique_ptr<Child> &c: children)
{
- slider.set_range(0, 0);
- slider.set_value(0);
+ c->widget->set_position(x, margin.bottom);
+ x += widths[n++];
}
}
-void List::slider_value_changed(double value)
+void List::MultiColumnItem::on_style_change()
{
- if(items.size()>n_visible)
+ if(!style)
+ return;
+
+ for(const unique_ptr<Child> &c: children)
+ c->widget->autosize();
+
+ vector<unsigned> widths;
+ List *list = static_cast<List *>(parent);
+ for(const unique_ptr<Item> &i: list->items)
+ if(i.get()!=this)
+ if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(i.get()))
+ mci->check_widths(widths);
+
+ vector<unsigned> self_widths(widths);
+ check_widths(self_widths);
+ bool update_all = false;
+ for(size_t i=0; (!update_all && i<widths.size() && i<self_widths.size()); ++i)
+ update_all = self_widths[i]>widths[i];
+
+ if(update_all)
{
- first = items.size()-n_visible-static_cast<unsigned>(value);
- rebuild();
+ for(const unique_ptr<Item> &i: list->items)
+ if(MultiColumnItem *mci = dynamic_cast<MultiColumnItem *>(i.get()))
+ mci->set_widths(self_widths);
}
+
+ set_widths(self_widths);
+}
+
+
+List::BasicItem::BasicItem(const string &text):
+ label(text)
+{
+ add(label);
}
List::Loader::Loader(List &l):
- Widget::Loader(l)
+ DataFile::DerivedObjectLoader<List, Widget::Loader>(l)
{
add("item", &Loader::item);
+ add("view_mode", &List::view_mode);
+ add("view_size", &List::view_rows);
+ add("view_size", &List::view_rows, &List::view_columns);
}
void List::Loader::item(const string &v)
{
- dynamic_cast<List &>(obj).append(v);
+ dynamic_cast<BasicListData<string> &>(*obj.data).append(v);
+}
+
+
+void operator>>(const LexicalConverter &conv, List::ViewMode &vm)
+{
+ const string &str = conv.get();
+ if(str=="LIST")
+ vm = List::LIST;
+ else if(str=="GRID")
+ vm = List::GRID;
+ else
+ throw lexical_error(format("conversion of '%s' to List::ViewMode", str));
}
} // namespace GLtk
projects / libs / gltk.git / blobdiff