X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.cpp;h=48b647b71850b464bf8da56f102170d64bc8cf6e;hb=3db68f2604b657e79f1b2b317c19c41c2d5a985b;hp=d1f21bc9408113c1d65fb78ca711d1f5d51f6adf;hpb=d7ae291415a21cc886fe318070b41ac8d3e57a30;p=libs%2Fgltk.git

diff --git a/source/widget.cpp b/source/widget.cpp
index d1f21bc..48b647b 100644
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -1,29 +1,55 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2007  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 "resources.h"
 #include "widget.h"
 
-#include <iostream>
 using namespace std;
 
 namespace Msp {
 namespace GLtk {
 
+Widget::Widget(const Resources &r):
+	res(r),
+	style(0),
+	state(NORMAL),
+	visible(true),
+	parent(0)
+{ }
+
+Widget::~Widget()
+{
+	if(parent)
+		parent->remove(*this);
+}
+
 void Widget::set_position(int x, int y)
 {
 	geom.x=x;
 	geom.y=y;
+	on_geometry_change();
 }
 
 void Widget::set_size(unsigned w, unsigned h)
 {
 	geom.w=w;
 	geom.h=h;
+	on_geometry_change();
 }
 
 void Widget::set_geometry(const Geometry &g)
 {
 	geom=g;
+	on_geometry_change();
 }
 
 void Widget::set_style(const string &s)
@@ -32,23 +58,93 @@ void Widget::set_style(const string &s)
 	update_style();
 }
 
+void Widget::set_visible(bool v)
+{
+	if(v==visible)
+		return;
+
+	visible=v;
+
+	if(!visible && parent)
+		parent->child_hidden(*this);
+}
+
+void Widget::set_focus()
+{
+	if(!parent)
+		throw InvalidState("No parent");
+	if(!visible)
+		throw InvalidState("Can't set focus on invisible widget");
+
+	parent->grab_focus(*this);
+}
+
 void Widget::render() const
 {
 	if(!style)
-		throw InvalidState("Attempt to render a widget without a style");
+		throw InvalidState(format("Attempt to render a widget without a style (class=\"%s\")", get_class()));
 
 	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);
+	{
+		if(i->get_name().empty())
+			render_graphic(*i);
+		else
+			render_special(*i);
+	}
 	GL::pop_matrix();
 }
 
-Widget::Widget(const Resources &r):
-	res(r),
-	style(0),
-	state(NORMAL)
-{ }
+void Widget::render_graphic(const Part &part) const
+{
+	GL::push_matrix();
+	part.render(geom, state);
+	GL::pop_matrix();
+}
+
+void Widget::render_text(const Part &part, const string &text) const
+{
+	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();
+	GL::Immediate imm((GL::COLOR4_UBYTE, GL::TEXCOORD2, GL::VERTEX2));
+	imm.color(color.r, color.g, color.b);
+	font->draw_string(text, imm);
+
+	GL::pop_matrix();
+}
+
+void Widget::pointer_enter()
+{
+	state|=HOVER;
+}
+
+void Widget::pointer_leave()
+{
+	state&=~HOVER;
+}
+
+void Widget::focus_in()
+{
+	state|=FOCUS;
+}
+
+void Widget::focus_out()
+{
+	state&=~FOCUS;
+}
 
 void Widget::update_style()
 {
@@ -58,39 +154,47 @@ void Widget::update_style()
 		sname+='-';
 		sname+=style_name;
 	}
-	style=&res.get<Style>(sname);
+	style=res.get<Style>(sname);
+	on_style_change();
 }
 
-void Widget::render_part(const Part &part) const
+void Widget::set_parent(Panel *p)
 {
-	render_graphic(part);
-}
+	if(parent && p)
+		throw InvalidState("Widget is already in a Panel");
+	parent=p;
 
-void Widget::render_graphic(const Part &part) const
-{
-	GL::push_matrix();
-	part.render(geom, state);
-	GL::pop_matrix();
+	on_reparent();
 }
 
-void Widget::render_text(const Part &part, const string &text) const
+void Widget::set_parent(Widget &w, Panel *p)
 {
-	const GL::Font *const font=style->get_font();
+	w.set_parent(p);
+}
 
-	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):
+	wdg(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)
+{
+	wdg.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)
+{
+	wdg.set_size(w, h);
+}
 
-	GL::pop_matrix();
+void Widget::Loader::style(const string &s)
+{
+	wdg.set_style(s);
 }
 
 } // namespace GLtk