style(0),
state(NORMAL),
visible(true),
- focusable(true),
+ input_type(INPUT_NONE),
parent(0)
{ }
void Widget::set_position(int x, int y)
{
- geom.x = x;
- geom.y = y;
- on_geometry_change();
- rebuild();
+ set_geometry(Geometry(x, y, geom.w, geom.h));
}
void Widget::set_size(unsigned w, unsigned h)
{
- geom.w = w;
- geom.h = h;
- on_geometry_change();
- rebuild();
+ set_geometry(Geometry(geom.x, geom.y, w, h));
}
void Widget::autosize()
{
- geom.w = 0;
- geom.h = 0;
+ Geometry ageom;
+ autosize(ageom);
+ set_geometry(ageom);
+}
+
+void Widget::autosize(Geometry &ageom) const
+{
+ if(!style)
+ return;
+
+ ageom = Geometry(geom.x, geom.y, 0, 0);
const Style::PartSeq &parts = style->get_parts();
for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
+ {
if(i->get_name().empty())
{
- geom.w = max(geom.w, i->get_geometry().w);
- geom.h = max(geom.h, i->get_geometry().h);
+ const Geometry &pgeom = i->get_geometry();
+ const Sides &pmargin = i->get_margin();
+ ageom.w = max(ageom.w, pgeom.w+pmargin.left+pmargin.right);
+ ageom.h = max(ageom.h, pgeom.h+pmargin.top+pmargin.bottom);
}
+ else
+ autosize_special(*i, ageom);
+ }
}
void Widget::set_geometry(const Geometry &g)
{
+ bool size_changed = (g.w!=geom.w || g.h!=geom.h);
geom = g;
- on_geometry_change();
- rebuild();
+ if(size_changed)
+ {
+ // TODO maybe rename this to on_size_change
+ on_geometry_change();
+ rebuild();
+ }
+}
+
+void Widget::map_coords_to_ancestor(int &x, int &y, const Widget &ancestor) const
+{
+ for(const Widget *w=this; w; w=w->get_parent())
+ {
+ if(w==&ancestor)
+ return;
+
+ const Geometry &wgeom = w->get_geometry();
+ x += wgeom.x;
+ y += wgeom.y;
+ }
+
+ throw hierarchy_error("not an ancestor");
}
void Widget::set_parent(Container *p)
throw hierarchy_error("widget already parented");
else if(p==parent)
return;
- parent = p;
- on_reparent();
- update_style();
+ try
+ {
+ parent = p;
+
+ on_reparent();
+ update_style();
+ }
+ catch(...)
+ {
+ // The container has not yet added the widget as its child
+ parent = 0;
+ throw;
+ }
}
void Widget::set_style(const string &s)
void Widget::set_focusable(bool f)
{
- focusable = f;
+ input_type = (f ? INPUT_TEXT : INPUT_NONE);
}
void Widget::set_focus()
signal_request_focus.emit();
}
+void Widget::set_enabled(bool e)
+{
+ set_state(DISABLED, (e ? NORMAL : DISABLED));
+}
+
void Widget::set_state(State mask, State bits)
{
+ State old_state = state;
state = (state&~mask)|bits;
- rebuild();
+ if(style && style->compare_states(old_state, state))
+ rebuild();
+}
+
+void Widget::set_animation_interval(const Time::TimeDelta &iv)
+{
+ if(iv<Time::zero)
+ throw invalid_argument("Widget::set_animation_interval");
+
+ anim_interval = iv;
+ signal_request_animation.emit(anim_interval);
+}
+
+void Widget::stop_animation()
+{
+ set_animation_interval(Time::zero);
}
void Widget::rebuild()
if(!style)
return;
+ part_cache.begin_rebuild();
const Style::PartSeq &parts = style->get_parts();
- list<CachedPart>::iterator j = cached_parts.begin();
- for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i, ++j)
+ for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
{
- if(j==cached_parts.end())
- j = cached_parts.insert(j, CachedPart());
if(i->get_name().empty())
- i->build(geom, state, *j);
+ i->build(geom, state, part_cache);
else
- rebuild_special(*i, *j);
+ rebuild_special(*i);
}
+ part_cache.end_rebuild();
}
-void Widget::render() const
+void Widget::rebuild_special(const Part &part)
+{
+ part_cache.insert_special(part);
+}
+
+void Widget::render(GL::Renderer &renderer) const
{
if(!style)
throw logic_error(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name));
- GL::MatrixStack::Push _pushm(GL::MatrixStack::modelview());
- GL::MatrixStack::modelview() *= GL::Matrix::translation(geom.x, geom.y, 0);
- const Style::PartSeq &parts = style->get_parts();
- list<CachedPart>::const_iterator j = cached_parts.begin();
- for(Style::PartSeq::const_iterator i=parts.begin(); (i!=parts.end() && j!=cached_parts.end()); ++i, ++j)
+ GL::Renderer::Push _push(renderer);
+ renderer.transform(GL::Matrix::translation(geom.x, geom.y, 0));
+ const PartCache::PartList &parts = part_cache.get_parts();
+ for(PartCache::PartList::const_iterator i=parts.begin(); i!=parts.end(); ++i)
{
- if(j->mesh && j->texture)
+ if(i->mesh && i->texture)
{
- GL::Bind bind_tex(j->texture);
- j->mesh->draw();
+ renderer.set_texture(i->texture);
+ i->mesh->draw(renderer);
}
- else if(!i->get_name().empty())
- render_special(*i);
+ else if(i->part)
+ render_special(*i->part, renderer);
}
}
clear_state(HOVER);
}
+void Widget::touch_press(int x, int y, unsigned finger)
+{
+ if(finger==0)
+ button_press(x, y, 1);
+}
+
+void Widget::touch_release(int x, int y, unsigned finger)
+{
+ if(finger==0)
+ button_release(x, y, 1);
+}
+
+void Widget::touch_motion(int x, int y, unsigned finger)
+{
+ if(finger==0)
+ pointer_motion(x, y);
+}
+
void Widget::focus_in()
{
set_state(FOCUS);