X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fwidget.cpp;h=0128367c2b32a6a6c54ae458b3d3a994b38cdf2e;hb=48fd4db84c4d0b43305d85f74de99eb4fef04fd6;hp=48ae0eda4b042b3e4096a2d7f494d3ea77db2e44;hpb=c1f038acb91eb3bfaa34dfd4729d19ed3f871a42;p=libs%2Fgltk.git

diff --git a/source/widget.cpp b/source/widget.cpp
index 48ae0ed..0128367 100644
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -1,29 +1,54 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #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)
@@ -32,54 +57,32 @@ 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::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);
-	GL::pop_matrix();
-}
-
-bool Widget::button_press(int x, int y, unsigned btn)
-{
-	if(x>=geom.x && y>=geom.y && x<geom.x+static_cast<int>(geom.w) && y<geom.y+static_cast<int>(geom.h))
 	{
-		on_button_press(x, y, btn);
-		return true;
+		if(i->get_name().empty())
+			render_graphic(*i);
+		else
+			render_special(*i);
 	}
-
-	return false;
-}
-
-bool Widget::button_release(int x, int y, unsigned btn)
-{
-	if(x>=geom.x && y>=geom.y && x<geom.x+static_cast<int>(geom.w) && y<geom.y+static_cast<int>(geom.h))
-	{
-		on_button_release(x, y, btn);
-		return true;
-	}
-
-	return false;
-}
-
-Widget::Widget(const Resources &r):
-	res(r),
-	style(0),
-	state(NORMAL)
-{ }
-
-void Widget::update_style()
-{
-	style=&res.get_style(get_class(), style_name);
-}
-
-void Widget::render_part(const Part &part) const
-{
-	render_graphic(part);
+	GL::pop_matrix();
 }
 
 void Widget::render_graphic(const Part &part) const
@@ -92,16 +95,19 @@ void Widget::render_graphic(const Part &part) const
 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();
-	unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
 
-	GL::push_matrix();
+	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());
 
-	part.get_alignment().apply(geom, text_w, static_cast<unsigned>(font_size));
+	GL::push_matrix();
+	GL::translate(rgeom.x, rgeom.y, 0);
 	GL::scale_uniform(font_size);
 
-	const Color &color=style->get_font_color();
+	const GL::Color &color=style->get_font_color();
 	glColor3f(color.r, color.g, color.b);
 	font->draw_string(text);
 	glColor3f(1, 1, 1);
@@ -109,5 +115,56 @@ void Widget::render_text(const Part &part, const string &text) const
 	GL::pop_matrix();
 }
 
+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)
+{
+	if(parent && p)
+		throw InvalidState("Widget is already in a Panel");
+	parent=p;
+
+	on_reparent();
+}
+
+void Widget::set_parent(Widget &w, Panel *p)
+{
+	w.set_parent(p);
+}
+
+
+Widget::Loader::Loader(Widget &w):
+	wdg(w)
+{
+	add("position", &Loader::position);
+	add("size",     &Loader::size);
+	add("style",    &Loader::style);
+	add("visible",  &Widget::visible);
+}
+
+void Widget::Loader::position(int x, int y)
+{
+	wdg.set_position(x, y);
+}
+
+void Widget::Loader::size(unsigned w, unsigned h)
+{
+	wdg.set_size(w, h);
+}
+
+void Widget::Loader::style(const string &s)
+{
+	wdg.set_style(s);
+}
+
 } // namespace GLtk
 } // namespace Msp