-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2011 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/gl/immediate.h>
#include <msp/gl/matrix.h>
-#include <msp/gl/transform.h>
-#include <msp/strings/formatter.h>
+#include <msp/strings/format.h>
#include "container.h"
#include "resources.h"
#include "root.h"
Widget::~Widget()
{
if(parent)
- parent->remove(*this);
+ {
+ Container *p = parent;
+ parent = 0;
+ p->remove(*this);
+ }
}
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;
+ 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();
+ 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)
{
if(parent && p)
- throw InvalidState("Widget is already in a Container");
- parent = p;
+ throw hierarchy_error("widget already parented");
+ else if(p==parent)
+ return;
- 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)
sname += style_name;
}
- style = root->get_resources().get<Style>(sname);
+ style = &root->get_resources().get<Style>(sname);
}
on_style_change();
signal_autosize_changed.emit();
+ rebuild();
}
void Widget::set_tooltip(const string &t)
void Widget::set_focus()
{
if(!parent)
- throw InvalidState("No parent");
+ throw hierarchy_error("no parent");
if(!visible)
- throw InvalidState("Can't set focus on invisible widget");
+ throw logic_error("!visible");
signal_request_focus.emit();
}
-void Widget::render() const
+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;
+ if(style && style->compare_states(old_state, state))
+ rebuild();
+}
+
+void Widget::rebuild()
{
if(!style)
- throw InvalidState(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.begin_rebuild();
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);
+ }
+ part_cache.end_rebuild();
+}
+
+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()
{
- state |= HOVER;
+ set_state(HOVER);
}
void Widget::pointer_leave()
{
- state &= ~HOVER;
+ clear_state(HOVER);
}
void Widget::focus_in()
{
- state |= FOCUS;
+ set_state(FOCUS);
}
void Widget::focus_out()
{
- state &= ~FOCUS;
+ clear_state(FOCUS);
}