+/* $Id$
+
+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 "container.h"
#include "resources.h"
+#include "root.h"
#include "widget.h"
-#include <iostream>
using namespace std;
namespace Msp {
namespace GLtk {
+Widget::Widget():
+ style(0),
+ state(NORMAL),
+ visible(true),
+ focusable(true),
+ parent(0)
+{ }
+
+Widget::~Widget()
+{
+ if(parent)
+ {
+ Container *p = parent;
+ parent = 0;
+ p->remove(*this);
+ }
+}
+
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::autosize()
+{
+ geom.w = 0;
+ geom.h = 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);
+ }
}
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");
+ else if(p==parent)
+ return;
+ 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();
+ signal_autosize_changed.emit();
+}
+
+void Widget::set_tooltip(const string &t)
+{
+ tooltip = t;
+}
+
+void Widget::set_visible(bool v)
+{
+ if(v==visible)
+ return;
+
+ visible = v;
+
+ 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("Attempt to render a widget without a style");
+ 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)
- render_part(*i);
+ const Style::PartSeq &parts = style->get_parts();
+ for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
+ {
+ if(i->get_name().empty())
+ {
+ GL::PushMatrix push_;
+ i->render(geom, state);
+ }
+ else
+ render_special(*i);
+ }
GL::pop_matrix();
}
-Widget::Widget(const Resources &r):
- res(r),
- style(0),
- state(NORMAL)
-{ }
-
-void Widget::update_style()
+void Widget::pointer_enter()
{
- string sname=get_class();
- if(!style_name.empty())
- {
- sname+='-';
- sname+=style_name;
- }
- style=&res.get<Style>(sname);
+ state |= HOVER;
}
-void Widget::render_part(const Part &part) const
+void Widget::pointer_leave()
{
- render_graphic(part);
+ state &= ~HOVER;
}
-void Widget::render_graphic(const Part &part) const
+void Widget::focus_in()
{
- GL::push_matrix();
- part.render(geom, state);
- GL::pop_matrix();
+ state |= FOCUS;
}
-void Widget::render_text(const Part &part, const string &text) const
+void Widget::focus_out()
{
- const GL::Font *const font=style->get_font();
+ state &= ~FOCUS;
+}
- const float font_size=font->get_default_size();
- unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
- GL::push_matrix();
+Widget::Loader::Loader(Widget &w):
+ DataFile::ObjectLoader<Widget>(w)
+{
+ add("position", &Loader::position);
+ add("size", &Loader::size);
+ add("style", &Loader::style);
+ add("visible", &Widget::visible);
+}
- part.get_alignment().apply(geom, text_w, static_cast<unsigned>(font->get_ascent()*font_size));
- GL::scale_uniform(font_size);
+void Widget::Loader::position(int x, int y)
+{
+ obj.set_position(x, y);
+}
- const GL::Color &color=style->get_font_color();
- glColor3f(color.r, color.g, color.b);
- font->draw_string(text);
- glColor3f(1, 1, 1);
+void Widget::Loader::size(unsigned w, unsigned h)
+{
+ obj.set_size(w, h);
+}
- GL::pop_matrix();
+void Widget::Loader::style(const string &s)
+{
+ obj.set_style(s);
}
} // namespace GLtk