Convert loops and iterators to use C++11 features

[libs/gltk.git] / source / widget.cpp

diff --git a/source/widget.cpp b/source/widget.cpp
index d6d57554fc5f324f02f22f48a48c5dbe3386903c..6ac4d2aa7d7679bc39512614ff32705f835891b6 100644 (file)
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -15,7 +15,8 @@ Widget::Widget():
        state(NORMAL),
        visible(true),
        input_type(INPUT_NONE),
-       parent(0)
+       parent(0),
+       rebuild_needed(false)
 { }
 
 Widget::~Widget()
@@ -51,18 +52,17 @@ void Widget::autosize(Geometry &ageom) const
                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)
+       for(const Part &p: style->get_parts())
        {
-               if(i->get_name().empty())
+               if(p.get_name().empty())
                {
-                       const Geometry &pgeom = i->get_geometry();
-                       const Sides &pmargin = i->get_margin();
+                       const Geometry &pgeom = p.get_geometry();
+                       const Sides &pmargin = p.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);
+                       autosize_special(p, ageom);
        }
 }
 
@@ -73,7 +73,7 @@ void Widget::set_geometry(const Geometry &g)
        if(size_changed)
        {
                on_size_change();
-               rebuild();
+               mark_rebuild();
        }
 }
 
@@ -92,6 +92,16 @@ void Widget::map_coords_to_ancestor(int &x, int &y, const Widget &ancestor) cons
        throw hierarchy_error("not an ancestor");
 }
 
+void Widget::map_coords_to_root(int &x, int &y) const
+{
+       for(const Widget *w=this; w; w=w->get_parent())
+       {
+               const Geometry &wgeom = w->get_geometry();
+               x += wgeom.x;
+               y += wgeom.y;
+       }
+}
+
 void Widget::set_parent(Container *p)
 {
        if(parent && p)
@@ -141,7 +151,7 @@ void Widget::update_style()
 
        on_style_change();
        signal_autosize_changed.emit();
-       rebuild();
+       mark_rebuild();
 }
 
 void Widget::set_tooltip(const string &t)
@@ -159,11 +169,6 @@ void Widget::set_visible(bool v)
        signal_visibility_changed.emit(visible);
 }
 
-void Widget::set_focusable(bool f)
-{
-       input_type = (f ? INPUT_TEXT : INPUT_NONE);
-}
-
 void Widget::set_focus()
 {
        if(!parent)
@@ -184,7 +189,7 @@ void Widget::set_state(State mask, State bits)
        State old_state = state;
        state = (state&~mask)|bits;
        if(style && style->compare_states(old_state, state))
-               rebuild();
+               mark_rebuild();
 }
 
 void Widget::set_animation_interval(const Time::TimeDelta &iv)
@@ -201,19 +206,36 @@ void Widget::stop_animation()
        set_animation_interval(Time::zero);
 }
 
+void Widget::mark_rebuild()
+{
+       if(rebuild_needed)
+               return;
+
+       rebuild_needed = true;
+       signal_rebuild_needed.emit();
+}
+
+void Widget::rebuild_hierarchy()
+{
+       if(rebuild_needed)
+       {
+               rebuild_needed = false;
+               rebuild();
+       }
+}
+
 void Widget::rebuild()
 {
        if(!style)
                return;
 
        PartCache::Rebuild rebuild_cache(part_cache);
-       const Style::PartSeq &parts = style->get_parts();
-       for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
+       for(const Part &p: style->get_parts())
        {
-               if(i->get_name().empty())
-                       i->build(geom, state, part_cache);
+               if(p.get_name().empty())
+                       p.build(geom, state, part_cache);
                else
-                       rebuild_special(*i);
+                       rebuild_special(p);
        }
 }
 
@@ -227,18 +249,22 @@ 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));
 
+       static const GL::Tag texture_tag("ui_tex");
+
        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)
+       int x = 0;
+       int y = 0;
+       map_coords_to_root(x, y);
+       renderer.set_matrix(GL::Matrix::translation(x, y, 0));
+       for(const CachedPart &p: part_cache.get_parts())
        {
-               if(i->mesh && i->texture)
+               if(p.mesh && p.texture)
                {
-                       renderer.set_texture(i->texture);
-                       i->mesh->draw(renderer);
+                       renderer.set_texture(texture_tag, p.texture, &style->get_sampler());
+                       p.mesh->draw(renderer);
                }
-               else if(i->part)
-                       render_special(*i->part, renderer);
+               else if(p.part)
+                       render_special(*p.part, renderer);
        }
 }