X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.cpp;h=59105b949b3e09d027b6c9a78ed34e228f764aa2;hb=2e3bb9608ef4c74a8ba9c101ba24b68285405090;hp=b10b6b560d8226cd9e1ddd68cef905e7189cc0bf;hpb=2accd84fb2f8cc96efea8b3f27e381c2d2749160;p=libs%2Fgltk.git diff --git a/source/widget.cpp b/source/widget.cpp index b10b6b5..59105b9 100644 --- a/source/widget.cpp +++ b/source/widget.cpp @@ -1,6 +1,4 @@ -#include #include -#include #include #include "container.h" #include "resources.h" @@ -32,35 +30,64 @@ Widget::~Widget() void Widget::set_position(int x, int y) { - geom.x = x; - geom.y = y; - on_geometry_change(); + 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(); + set_geometry(Geometry(geom.x, geom.y, w, h)); } void Widget::autosize() { - geom.w = 0; - geom.h = 0; + if(!style) + return; + + Geometry ageom; + ageom.x = geom.x; + ageom.y = geom.y; 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); + } + + set_geometry(ageom); } void Widget::set_geometry(const Geometry &g) { + bool size_changed = (g.w!=geom.w || g.h!=geom.h); geom = g; - on_geometry_change(); + 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) @@ -69,10 +96,20 @@ 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) @@ -102,6 +139,7 @@ void Widget::update_style() on_style_change(); signal_autosize_changed.emit(); + rebuild(); } void Widget::set_tooltip(const string &t) @@ -134,30 +172,56 @@ 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 = (state&~mask)|bits; + rebuild(); } -void Widget::render() const +void Widget::rebuild() { if(!style) - throw logic_error(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name)); + return; - GL::push_matrix(); - GL::translate(geom.x, geom.y, 0); + part_cache.clear(); const Style::PartSeq &parts = style->get_parts(); for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i) { if(i->get_name().empty()) + i->build(geom, state, part_cache); + else + rebuild_special(*i); + } +} + +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(renderer.matrix_stack()); + renderer.matrix_stack() *= 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(i->mesh && i->texture) { - GL::PushMatrix push_; - i->render(geom, state); + renderer.set_texture(i->texture); + i->mesh->draw(renderer); } - else - render_special(*i); + else if(i->part) + render_special(*i->part, renderer); } - GL::pop_matrix(); } void Widget::pointer_enter()