/* $Id$
This file is part of libmspgltk
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
+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 "panel.h"
+#include "container.h"
#include "resources.h"
+#include "root.h"
#include "widget.h"
using namespace std;
namespace Msp {
namespace GLtk {
-Widget::Widget(const Resources &r):
- res(r),
+Widget::Widget():
style(0),
state(NORMAL),
visible(true),
+ focusable(true),
parent(0)
{ }
void Widget::set_position(int x, int y)
{
- geom.x=x;
- geom.y=y;
+ geom.x = x;
+ geom.y = y;
on_geometry_change();
}
void Widget::set_size(unsigned w, unsigned h)
{
- geom.w=w;
- geom.h=h;
+ geom.w = w;
+ geom.h = h;
on_geometry_change();
}
void Widget::set_geometry(const Geometry &g)
{
- geom=g;
+ geom = g;
on_geometry_change();
}
+void Widget::set_parent(Container *p)
+{
+ if(parent && p)
+ throw InvalidState("Widget is already in a Container");
+ parent = p;
+
+ on_reparent();
+ update_style();
+}
+
void Widget::set_style(const string &s)
{
- style_name=s;
+ style_name = s;
update_style();
}
+void Widget::update_style()
+{
+ Widget *top;
+ for(top=this; top->parent; top=top->parent) ;
+ Root *root = dynamic_cast<Root *>(top);
+ if(!root)
+ style = 0;
+ else
+ {
+ string sname = get_class();
+ if(!style_name.empty())
+ {
+ sname += '-';
+ sname += style_name;
+ }
+
+ style = root->get_resources().get<Style>(sname);
+ }
+
+ on_style_change();
+}
+
+void Widget::set_tooltip(const string &t)
+{
+ tooltip = t;
+}
+
void Widget::set_visible(bool v)
{
if(v==visible)
return;
- visible=v;
+ visible = v;
- if(!visible && parent)
- parent->child_hidden(*this);
+ signal_visibility_changed.emit(visible);
+}
+
+void Widget::set_focusable(bool f)
+{
+ focusable = f;
+}
+
+void Widget::set_focus()
+{
+ if(!parent)
+ throw InvalidState("No parent");
+ if(!visible)
+ throw InvalidState("Can't set focus on invisible widget");
+
+ signal_request_focus.emit();
}
void Widget::render() const
{
if(!style)
- throw InvalidState(format("Attempt to render a widget without a style (class=\"%s\")", get_class()));
+ throw InvalidState(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name));
GL::push_matrix();
GL::translate(geom.x, geom.y, 0);
for(PartSeq::const_iterator i=style->get_parts().begin(); i!=style->get_parts().end(); ++i)
{
if(i->get_name().empty())
- render_graphic(*i);
+ {
+ GL::PushMatrix push_;
+ i->render(geom, state);
+ }
else
render_special(*i);
}
GL::pop_matrix();
}
-void Widget::render_graphic(const Part &part) const
+void Widget::pointer_enter()
{
- GL::push_matrix();
- part.render(geom, state);
- GL::pop_matrix();
+ state |= HOVER;
}
-void Widget::render_text(const Part &part, const string &text) const
+void Widget::pointer_leave()
{
- const GL::Font *const font=style->get_font();
- const float font_size=font->get_default_size();
-
- Geometry rgeom;
- rgeom.w=static_cast<unsigned>(font->get_string_width(text)*font_size);
- rgeom.h=static_cast<unsigned>((font->get_ascent()-font->get_descent())*font_size);
- rgeom.y=static_cast<int>(-font->get_descent()*font_size);
- part.get_alignment().apply(rgeom, geom, part.get_margin());
-
- GL::push_matrix();
- GL::translate(rgeom.x, rgeom.y, 0);
- GL::scale_uniform(font_size);
-
- const GL::Color &color=style->get_font_color();
- glColor3f(color.r, color.g, color.b);
- font->draw_string(text);
- glColor3f(1, 1, 1);
-
- GL::pop_matrix();
+ state &= ~HOVER;
}
-void Widget::update_style()
-{
- string sname=get_class();
- if(!style_name.empty())
- {
- sname+='-';
- sname+=style_name;
- }
- style=res.get<Style>(sname);
- on_style_change();
-}
-
-void Widget::set_parent(Panel *p)
+void Widget::focus_in()
{
- if(parent && p)
- throw InvalidState("Widget is already in a Panel");
- parent=p;
-
- on_reparent();
+ state |= FOCUS;
}
-void Widget::set_parent(Widget &w, Panel *p)
+void Widget::focus_out()
{
- w.set_parent(p);
+ state &= ~FOCUS;
}