X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbutton.cpp;h=86b73c9daa0c3f8ba9a689ebf628f102667c97f7;hb=b3234ca0277c5e282a2a0a2558b58edb25750653;hp=2c8bedb17c17a34e45be58003caac18067e2d843;hpb=c062ca892fc6e10f74a76991b5d4b4349c046b5f;p=libs%2Fgltk.git

diff --git a/source/button.cpp b/source/button.cpp
index 2c8bedb..86b73c9 100644
--- a/source/button.cpp
+++ b/source/button.cpp
@@ -1,43 +1,122 @@
+#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_special(const Part &part, Geometry &ageom) const
+{
+	if(part.get_name()=="text")
+		text.autosize(part, ageom);
+	else if(part.get_name()=="icon" && icon)
+	{
+		const Sides &margin = part.get_margin();
+		ageom.w = max(ageom.w, icon->get_width()+margin.left+margin.right);
+		ageom.h = max(ageom.h, icon->get_height()+margin.top+margin.bottom);
+	}
 }
 
 void Button::set_text(const std::string &t)
 {
-	text=t;
+	text = t;
+	signal_autosize_changed.emit();
+	rebuild();
 }
 
-void Button::button_press(int x, int y, unsigned btn)
+void Button::set_icon(const GL::Texture2D *i)
 {
-	if(geom.is_inside(x, y) && btn==1)
-		state=ACTIVE;
+	icon = i;
+	rebuild();
 }
 
-void Button::button_release(int x, int y, unsigned btn)
+void Button::rebuild_special(const Part &part)
+{
+	if(part.get_name()=="text")
+		text.build(part, state, 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::TRIANGLE_STRIP);
+			bld.texcoord(0, 1);
+			bld.vertex(rgeom.x, rgeom.y+rgeom.h);
+			bld.texcoord(0, 0);
+			bld.vertex(rgeom.x, rgeom.y);
+			bld.texcoord(1, 1);
+			bld.vertex(rgeom.x+rgeom.w, rgeom.y+rgeom.h);
+			bld.texcoord(1, 0);
+			bld.vertex(rgeom.x+rgeom.w, rgeom.y);
+			bld.end();
+		}
+	}
+}
+
+void Button::button_press(int, int, unsigned btn)
 {
 	if(btn==1)
 	{
-		state=NORMAL;
-		if(geom.is_inside(x, y))
+		pressed = true;
+		set_state(ACTIVE);
+	}
+}
+
+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();
 	}
 }
 
-void Button::render_part(const Part &part) const
+void Button::pointer_motion(int x, int y)
 {
-	if(part.get_name()=="text")
-		render_text(part, text);
-	else
-		Widget::render_part(part);
+	if(pressed)
+	{
+		if(!geom.is_inside_relative(x, y))
+			clear_state(ACTIVE);
+		else
+			set_state(ACTIVE);
+	}
+}
+
+void Button::on_style_change()
+{
+	text.set_style(style);
+}
+
+
+Button::Loader::Loader(Button &btn):
+	DataFile::DerivedObjectLoader<Button, Widget::Loader>(btn)
+{
+	add("text", &Loader::text);
+}
+
+void Button::Loader::text(const std::string &t)
+{
+	obj.text = t;
 }
 
 } // namespace GLtk