From 997ead080b5850d01eba6440985c998e8b7355ad Mon Sep 17 00:00:00 2001
From: paolo <paolo@3ecf2c5c-341e-0410-92b4-d18e462d057c>
Date: Sat, 16 Sep 2006 01:38:03 +0000
Subject: [PATCH] - holt_widget: added places used/total to resources

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1184 3ecf2c5c-341e-0410-92b4-d18e462d057c
---
 src/holt_widget.cc | 67 +++++++++++++++++++++++++++++++++++++++-------
 src/holt_widget.hh | 27 ++++++++++++++++++-
 2 files changed, 83 insertions(+), 11 deletions(-)

diff --git a/src/holt_widget.cc b/src/holt_widget.cc
index 980acfb..c72fbec 100644
--- a/src/holt_widget.cc
+++ b/src/holt_widget.cc
@@ -93,10 +93,11 @@ double HoltNode::get_radius()
 
 
 HoltResource::HoltResource(const Resource& resource, resource_key_t resource_key, Vec2 pt)
-: HoltNode(pt)
+: HoltNode(pt),
+  _resource(&resource),
+  _resource_key(resource_key),
+  _used_places(0)
 {
-  _resource = &resource;
-  _resource_key = resource_key;
 }
 
 HoltResource::~HoltResource()
@@ -121,22 +122,51 @@ void HoltResource::draw(cairo_t *cr)
 
   cairo_save(cr);
   // clip text outside region
-  cairo_rectangle(cr, _pos.real() - _radius, _pos.imag() - _radius,
-                  2 * _radius * x_percent, 2 * _radius * y_percent);
+  /*
+  cairo_rectangle(cr,
+    _pos.real() - _radius,
+    _pos.imag() - _radius, // _pos.imag() + _radius  (1 - 2.0 * y_percent)
+    2 * _radius * x_percent,
+    2 * _radius * y_percent);
+  */
+
+  cairo_rectangle(cr,
+    _pos.real() - _radius,
+    _pos.imag() + _radius * (1 - 2.0 * y_percent),
+    2 * _radius * x_percent,
+    2 * _radius * y_percent);
 
   cairo_clip(cr); 
   // draw text
   cairo_text_extents_t extents;
   cairo_text_extents(cr, _resource->get_name().c_str(), &extents);
-  double xpos = _pos.real() - extents.width  * (1 - x_percent + x_percent / 2);
+  double xpos = _pos.real() + _radius * (x_percent-1) - extents.width/2.0;
+  double ypos = _pos.imag() + _radius * (1 - y_percent); // + extents.height/2;
+  // _pos.imag() + extents.height * ((1 - y_percent) / 2 + 0.5)
+
   // left aligned if too large
   if(xpos<_pos.real() - _radius)
     xpos = _pos.real() - _radius;
   cairo_move_to(cr, 
                 xpos,
-                _pos.imag() + extents.height * ((1 - y_percent) / 2 + 0.5) );
+                ypos );
   cairo_show_text(cr, _resource->get_name().c_str());
 
+  // show used/total places
+  Glib::ustring used;
+  to_string<int>((int)_used_places, used);
+  Glib::ustring total;
+  to_string<int>((int)_resource->get_places(), total);
+
+  Glib::ustring msg = used + "/" + total;
+  cairo_text_extents(cr, msg.c_str(), &extents);
+  xpos = _pos.real() + _radius * (x_percent-1) - extents.width/2.0;
+  ypos = _pos.imag() + _radius * (1 - y_percent) + extents.height*2;
+  cairo_move_to(cr,
+                xpos,
+                ypos );
+  cairo_show_text(cr, msg.c_str());
+
   // stroke all
   cairo_stroke (cr);
 
@@ -169,6 +199,19 @@ Vec2 HoltResource::get_intersection_to(Vec2 pt)
 
 
 
+void
+HoltResource::allocate(unsigned int places)
+{
+  _used_places += places;
+}
+
+unsigned int
+HoltResource::get_allocated()
+{
+  return _used_places;
+}
+
+
 
 
 HoltSchedulable::HoltSchedulable(const Schedulable& schedulable, Vec2 pt)
@@ -255,11 +298,12 @@ Vec2 HoltSchedulable::get_intersection_to(Vec2 pt)
 
 
 
-HoltRequest::HoltRequest(HoltSchedulable& hp, HoltResource& hr, Request::state state)
+HoltRequest::HoltRequest(HoltSchedulable& hp, HoltResource& hr, Request::state state, unsigned int places)
 : _hp(&hp),
   _hr(&hr),
   _state(state)
 {
+  hr.allocate(places);
 }
 
 HoltRequest::~HoltRequest()
@@ -506,8 +550,8 @@ HoltWidget::arrange()
     else
       mul = Vec2(0,0);
 
-    // cen = Vec2(2*_radius+inc.real(), 2*_radius+inc.real());
     cen = Vec2(2*_radius+std::abs(inc), 2*_radius+std::abs(inc));
+    // cen = Vec2(sx/2.0, sy/2.0);
     pos = inc + cen;
   }
 
@@ -726,7 +770,10 @@ HoltWidget::acquire()
                 if (pos != env.get_resources().end() && hpos!=_holt_resources.end())
                 {
                   // associates process (or thread) with resource)
-                  HoltRequest *hreq = new HoltRequest(*hp, *(hpos->second), sr->get_state());
+                  unsigned int nplaces = 0;
+                  if(sr->get_state()==Request::state_allocated)
+                    nplaces++;
+                  HoltRequest *hreq = new HoltRequest(*hp, *(hpos->second), sr->get_state(), nplaces);
                   _holt_requests.push_back(hreq);
                 }
               } // ~ if(subr_state==Request::state_unallocable ... etc
diff --git a/src/holt_widget.hh b/src/holt_widget.hh
index 95ec725..863dba8 100644
--- a/src/holt_widget.hh
+++ b/src/holt_widget.hh
@@ -209,6 +209,20 @@ namespace sgpem
      */
     virtual Vec2 get_intersection_to(Vec2 pt);
 
+    /**
+     * \brief Allocates resource places.
+     *
+     * \param places Number to allocate.
+     */
+    void allocate(unsigned int places);
+
+    /**
+     * \brief Gets allocates resource places.
+     *
+     * \return Number of places allocated.
+     */
+    unsigned int get_allocated();
+
   private:
     /**
      * \brief Pointer to the related resource.
@@ -219,9 +233,18 @@ namespace sgpem
      * \brief Numeric key associated with this resource.
      */
     resource_key_t _resource_key;
+
+    /**
+     * \brief Numeric key associated with this resource.
+     */
+    unsigned int _used_places;
+
+
   };
 
 
+
+
   /**
    * \brief An holt node representing schedulables (processes and threads).
    *
@@ -276,6 +299,8 @@ namespace sgpem
     const Schedulable* _schedulable;
   };
 
+
+
   /**
    * \brief Base class to draw holt graph arrows (requests/allocation).
    *
@@ -299,7 +324,7 @@ namespace sgpem
      * \param hr Reference to HoltResource.
      * \param state Type of request.
      */
-    HoltRequest(HoltSchedulable& hp, HoltResource& hr, Request::state state);
+    HoltRequest(HoltSchedulable& hp, HoltResource& hr, Request::state state, unsigned int places);
 
     /**
      * \brief Object's virtual destructor.