-/* $Id$
-
-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::button_press(int, int, unsigned btn)
+void Button::set_icon(const GL::Texture2D *i)
{
- if(btn==1)
- state=ACTIVE;
+ icon = i;
+ rebuild();
}
-void Button::button_release(int x, int y, unsigned btn)
+void Button::rebuild_special(const Part &part, CachedPart &cache)
{
- if(btn==1)
+ if(part.get_name()=="text")
+ text.build(part, geom, cache);
+ if(part.get_name()=="icon")
{
- if(geom.is_inside_relative(x, y))
+ cache.texture = icon;
+ if(icon)
{
- state=HOVER;
- signal_clicked.emit();
+ Geometry rgeom;
+ rgeom.w = icon->get_width();
+ rgeom.h = icon->get_height();
+ part.get_alignment().apply(rgeom, geom, part.get_margin());
+
+ cache.clear_mesh();
+
+ GL::MeshBuilder bld(*cache.mesh);
+ 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();
}
- else
- state=NORMAL;
}
}
-void Button::pointer_enter()
+void Button::button_press(int, int, unsigned btn)
{
- state=HOVER;
+ if(btn==1)
+ {
+ pressed = true;
+ set_state(ACTIVE);
+ }
}
-void Button::pointer_leave()
+void Button::button_release(int x, int y, unsigned btn)
{
- state=NORMAL;
+ if(pressed && btn==1)
+ {
+ clear_state(ACTIVE);
+ pressed = false;
+
+ if(geom.is_inside_relative(x, y))
+ signal_clicked.emit();
+ }
}
-void Button::render_special(const Part &part) const
+void Button::pointer_motion(int x, int y)
{
- if(part.get_name()=="text")
- render_text(part, text);
+ 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):
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);
+ static_cast<Button &>(obj).text = t;
}
} // namespace GLtk