X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwidget.cpp;h=e929940f46655d97e98af351bece30151b0e7317;hb=e5f9004b672b038e43cf2b20c3fc9327f2b55ffd;hp=e20ea82b56fcf085a2cab9a8eb7a1e0e96aaad19;hpb=c2635c5a3dca6a6cea5562fd387beb0662b18cf0;p=libs%2Fgltk.git

diff --git a/source/widget.cpp b/source/widget.cpp
index e20ea82..e929940 100644
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -1,13 +1,10 @@
-/* $Id$
-
-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 "container.h"
 #include "resources.h"
+#include "root.h"
 #include "widget.h"
 
 using namespace std;
@@ -15,94 +12,172 @@ using namespace std;
 namespace Msp {
 namespace GLtk {
 
-Widget::Widget(const Resources &r):
-	res(r),
+Widget::Widget():
 	style(0),
 	state(NORMAL),
-	visible(true)
+	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 hierarchy_error("widget already parented");
+	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::render() const
+void Widget::update_style()
 {
-	if(!style)
-		throw InvalidState("Attempt to render a widget without a 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);
+	}
 
-	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();
+	on_style_change();
+	signal_autosize_changed.emit();
 }
 
-void Widget::render_part(const Part &part) const
+void Widget::set_tooltip(const string &t)
 {
-	render_graphic(part);
+	tooltip = t;
 }
 
-void Widget::render_graphic(const Part &part) const
+void Widget::set_visible(bool v)
 {
-	GL::push_matrix();
-	part.render(geom, state);
-	GL::pop_matrix();
+	if(v==visible)
+		return;
+
+	visible = v;
+
+	signal_visibility_changed.emit(visible);
+}
+
+void Widget::set_focusable(bool f)
+{
+	focusable = f;
 }
 
-void Widget::render_text(const Part &part, const string &text) const
+void Widget::set_focus()
 {
-	const GL::Font *const font=style->get_font();
+	if(!parent)
+		throw hierarchy_error("no parent");
+	if(!visible)
+		throw logic_error("!visible");
+
+	signal_request_focus.emit();
+}
 
-	const float font_size=font->get_default_size();
-	unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
+void Widget::render() 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::push_matrix();
+	GL::translate(geom.x, geom.y, 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())
+		{
+			GL::PushMatrix push_;
+			i->render(geom, state);
+		}
+		else
+			render_special(*i);
+	}
+	GL::pop_matrix();
+}
 
-	part.get_alignment().apply(geom, text_w, static_cast<unsigned>(font->get_ascent()*font_size));
-	GL::scale_uniform(font_size);
+void Widget::pointer_enter()
+{
+	state |= HOVER;
+}
 
-	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::pointer_leave()
+{
+	state &= ~HOVER;
+}
 
-	GL::pop_matrix();
+void Widget::focus_in()
+{
+	state |= FOCUS;
 }
 
-void Widget::update_style()
+void Widget::focus_out()
 {
-	string sname=get_class();
-	if(!style_name.empty())
-	{
-		sname+='-';
-		sname+=style_name;
-	}
-	style=res.get<Style>(sname);
+	state &= ~FOCUS;
 }
 
 
 Widget::Loader::Loader(Widget &w):
-	wdg(w)
+	DataFile::ObjectLoader<Widget>(w)
 {
 	add("position", &Loader::position);
 	add("size",     &Loader::size);
@@ -112,17 +187,17 @@ Widget::Loader::Loader(Widget &w):
 
 void Widget::Loader::position(int x, int y)
 {
-	wdg.set_position(x, y);
+	obj.set_position(x, y);
 }
 
 void Widget::Loader::size(unsigned w, unsigned h)
 {
-	wdg.set_size(w, h);
+	obj.set_size(w, h);
 }
 
 void Widget::Loader::style(const string &s)
 {
-	wdg.set_style(s);
+	obj.set_style(s);
 }
 
 } // namespace GLtk