X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbutton.cpp;h=5582230f95985fc05be05869fa1961c718fc22b2;hb=319cde3c06181ba1c3619567525002926d8b4889;hp=20e0ed9241d616a36c2a1f154358931f8d92acf3;hpb=50bf1ef2e2c3c38de20f6996a6c5ed0066111177;p=libs%2Fgltk.git

diff --git a/source/button.cpp b/source/button.cpp
index 20e0ed9..5582230 100644
--- a/source/button.cpp
+++ b/source/button.cpp
@@ -1,35 +1,96 @@
-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
+#include <msp/gl/meshbuilder.h>
 #include "button.h"
 #include "part.h"
+#include "style.h"
+
+using namespace std;
 
 namespace Msp {
 namespace GLtk {
 
-Button::Button(const Resources &r, const std::string &t):
-	Widget(r),
+Button::Button(const std::string &t):
+	text(),
+	icon(0),
 	pressed(false)
 {
 	set_text(t);
-	update_style();
+}
+
+void Button::autosize()
+{
+	if(!style)
+		return;
+
+	Widget::autosize();
+
+	if(const Part *text_part = style->get_part("text"))
+	{
+		const Sides &margin = text_part->get_margin();
+		geom.w = max(geom.w, text.get_width()+margin.left+margin.right);
+		geom.h = max(geom.h, text.get_height()+margin.top+margin.bottom);
+	}
+
+	if(icon)
+	{
+		if(const Part *icon_part = style->get_part("icon"))
+		{
+			const Sides &margin = icon_part->get_margin();
+			geom.w = max(geom.w, icon->get_width()+margin.left+margin.right);
+			geom.h = max(geom.h, icon->get_height()+margin.top+margin.bottom);
+		}
+	}
+
+	rebuild();
 }
 
 void Button::set_text(const std::string &t)
 {
-	text=t;
+	text = t;
+	signal_autosize_changed.emit();
+	rebuild();
+}
+
+void Button::set_icon(const GL::Texture2D *i)
+{
+	icon = i;
+	rebuild();
+}
+
+void Button::rebuild_special(const Part &part)
+{
+	if(part.get_name()=="text")
+		text.build(part, geom, part_cache);
+	if(part.get_name()=="icon")
+	{
+		if(icon)
+		{
+			Geometry rgeom;
+			rgeom.w = icon->get_width();
+			rgeom.h = icon->get_height();
+			part.get_alignment().apply(rgeom, geom, part.get_margin());
+
+			GL::MeshBuilder bld(part_cache.create_mesh(part, *icon));
+			bld.color(1.0f, 1.0f, 1.0f);
+			bld.begin(GL::QUADS);
+			bld.texcoord(0, 0);
+			bld.vertex(rgeom.x, rgeom.y);
+			bld.texcoord(1, 0);
+			bld.vertex(rgeom.x+rgeom.w, rgeom.y);
+			bld.texcoord(1, 1);
+			bld.vertex(rgeom.x+rgeom.w, rgeom.y+rgeom.h);
+			bld.texcoord(0, 1);
+			bld.vertex(rgeom.x, rgeom.y+rgeom.h);
+			bld.end();
+		}
+	}
 }
 
 void Button::button_press(int, int, unsigned btn)
 {
 	if(btn==1)
 	{
-		pressed=true;
-		state|=ACTIVE;
+		pressed = true;
+		set_state(ACTIVE);
 	}
 }
 
@@ -37,36 +98,40 @@ void Button::button_release(int x, int y, unsigned btn)
 {
 	if(pressed && btn==1)
 	{
+		clear_state(ACTIVE);
+		pressed = false;
+
 		if(geom.is_inside_relative(x, y))
 			signal_clicked.emit();
-		
-		state&=~ACTIVE;
-		pressed=false;
 	}
 }
 
-void Button::pointer_leave()
+void Button::pointer_motion(int x, int y)
 {
-	Widget::pointer_leave();
-	state&=~ACTIVE;
+	if(pressed)
+	{
+		if(!geom.is_inside_relative(x, y))
+			clear_state(ACTIVE);
+		else
+			set_state(ACTIVE);
+	}
 }
 
-void Button::render_special(const Part &part) const
+void Button::on_style_change()
 {
-	if(part.get_name()=="text")
-		render_text(part, text);
+	text.set_style(style);
 }
 
 
 Button::Loader::Loader(Button &btn):
-	Widget::Loader(btn)
+	DataFile::DerivedObjectLoader<Button, Widget::Loader>(btn)
 {
-	add("text", &Button::text);
+	add("text", &Loader::text);
 }
 
-Button &Button::Loader::get_object() const
+void Button::Loader::text(const std::string &t)
 {
-	return static_cast<Button &>(wdg);
+	obj.text = t;
 }
 
 } // namespace GLtk