- documentation and warning removal: holt_widget.??,
simulation_widget.hh holt_container_window.cc git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@1180 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
paolo
parent
715e51dc9d
commit
0cbe635c1e
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@ -77,7 +77,9 @@ HoltContainerWindow::on_button_press_event(GdkEventButton* event)
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" <popup name='PopupMenu'>";
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HoltWidget::arrange_mode arrange = _holt_widget.get_arrange_mode();
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CairoWidget::scaling_mode scaling = _holt_widget.get_scaling_mode();
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// actually unused
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//CairoWidget::scaling_mode scaling = _holt_widget.get_scaling_mode();
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RefPtr<ActionGroup> action_group = Gtk::ActionGroup::create();
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@ -58,7 +58,6 @@ using namespace std;
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HoltNode::HoltNode(Vec2 pt)
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: _radius(20)
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{
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//_x = pt.real(); _y = pt.imag();
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_pos = pt;
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}
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@ -92,9 +91,6 @@ double HoltNode::get_radius()
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return _radius;
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}
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// double HoltNode::_radius = 20;
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HoltResource::HoltResource(const Resource& resource, resource_key_t resource_key, Vec2 pt)
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: HoltNode(pt)
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@ -195,7 +191,7 @@ void HoltSchedulable::draw(cairo_t *cr)
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cairo_save(cr); // save context state
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const Point center(_pos.real(), _pos.imag());
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const Color* color;
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const Color* color = &red;
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// draw circle
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CairoElements cel(cr);
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@ -240,9 +236,15 @@ void HoltSchedulable::draw(cairo_t *cr)
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Vec2 HoltSchedulable::get_intersection_to(Vec2 pt)
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{
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// schedulables ar circles
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// intersection is a radius from center then...
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Vec2 final = _pos;
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// take segment
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Vec2 segment = pt - _pos;
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double len = std::abs(segment);
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// and normalize to radius
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if(len>0)
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{
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segment *= _radius/len;
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@ -270,7 +272,7 @@ void HoltRequest::draw(cairo_t *cr)
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Vec2 schedulable = _hr->get_intersection_to(_hp->get_position());
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cairo_save(cr);
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// cairo_set_line_width(cr, 0.5*cairo_get_line_width(cr));
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switch(_state)
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{
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case Request::state_unallocable:
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@ -278,15 +280,19 @@ void HoltRequest::draw(cairo_t *cr)
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cairo_set_source_rgb(cr, 1, 0, 0);
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arrow(cr, schedulable, resource);
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break;
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case Request::state_allocated:
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// green
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cairo_set_source_rgb(cr, 0, 1, 0);
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arrow(cr, resource, schedulable);
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break;
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case Request::state_future:
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break;
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case Request::state_exhausted:
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break;
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case Request::state_allocable:
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// yellow
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cairo_set_source_rgb(cr, 1, 0.7, 0);
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@ -294,22 +300,51 @@ void HoltRequest::draw(cairo_t *cr)
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break;
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}
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// stroke all
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// stroke all and restore status
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cairo_stroke (cr);
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cairo_restore(cr);
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}
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void HoltRequest::arrow(cairo_t *cr, Vec2 first, Vec2 second)
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{
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// option to draw the line a little translated
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// this allow to draw two counterflow arrows
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// without overlap
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bool traslate = true;
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double line_width = cairo_get_line_width(cr);
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if(traslate)
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{
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// if needed calc parallel versor of arrow
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Vec2 direction = second-first;
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direction /= std::abs(direction); // set unary modulus
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// and rotate it 90 degrees
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Vec2 dir_rotation(0.0, 1.0);
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direction *= dir_rotation;
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// translation modulus equals line width
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direction *= line_width;
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first += direction;
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second += direction;
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}
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// draw main line
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cairo_move_to(cr, second.real(), second.imag());
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cairo_line_to(cr, first.real(), first.imag());
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// some calculation to draw arrowpoint...
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// take a short line parallel to main line
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Vec2 arrowside = second-first;
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arrowside *= 10.0/std::abs(arrowside);
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Vec2 deviation(5.0, 1.0); deviation /= std::abs(deviation);// = std::polar(1,M_PI/6.0);
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arrowside *= 15.0*line_width/std::abs(arrowside);
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// make a rotation component
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Vec2 deviation(5.0, 1.0); deviation /= std::abs(deviation);
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// make left and right sides rotating that first short line
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Vec2 side1 = arrowside * deviation;
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Vec2 side2 = arrowside * conj(deviation);
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// draw one side
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cairo_move_to(cr, first.real(), first.imag());
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cairo_line_to(cr, first.real()+side1.real(), first.imag()+side1.imag());
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// draw the other side
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cairo_move_to(cr, first.real(), first.imag());
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cairo_line_to(cr, first.real()+side2.real(), first.imag()+side2.imag());
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}
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@ -323,15 +358,15 @@ void HoltRequest::arrow(cairo_t *cr, Vec2 first, Vec2 second)
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HoltWidget::HoltWidget(Simulation& simulation)
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: Glib::ObjectBase("sgpem_HoltWidget"),
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CairoWidget(),
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SimulationObserver(),
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HistoryObserver(),
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CairoWidget(),
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_simulation(&simulation),
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_radius(20),
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_n_proc(0),
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_n_res(0),
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_radius(20),
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_show_threads(false),
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_arrange_mode(arrange_horizontal)
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_arrange_mode(arrange_horizontal),
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_show_threads(false)
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{
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// Register this SimulationObserver:
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@ -374,7 +409,6 @@ HoltWidget::set_radius(double radius)
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double old_radius = _radius;
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if(radius>0)
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_radius = radius;
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// resize_redraw();
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return old_radius;
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}
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@ -390,27 +424,53 @@ HoltWidget::set_arrange_mode(arrange_mode mode)
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arrange_mode old_mode = _arrange_mode;
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_arrange_mode = mode;
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arrange();
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// resize_redraw();
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return old_mode;
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}
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void
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HoltWidget::arrange()
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{
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#ifndef NDEBUG
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std::cout << "HoltWidget::arrange" << endl;
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// cout << "START:" << endl;
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// _x_req = 0;
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// _y_req = 0;
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#endif
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Vec2 pos, inc, mul, cen;
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// Differents graph's dispositions are made easy by
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// usual complex number algebra:
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//
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// v1 += v2 - translation
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// v1 *= d - scaling
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// v1 *= v2 - rotating if abs(v2)==1.0
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// v1 *= v2 - rotating and scaling by modulus if abs(v2)!=1.0
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//
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// where v1, v2 are Vec2 (complex<double>), d is double
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//
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// to draw a linear disposition the algorithm starts with
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// first desired position and sums an inc vetor each step
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//
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// to draw a circular disposition the center and radius are taken
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// then every position is calculated summing to center a radius (inc)
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// vector. The inc vector is rotated each step
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//
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Vec2 pos; // position of current HoltNode derived object (all)
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Vec2 inc; // increment (vertical and horizontal) or radius (circular)
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Vec2 cen; // center of rotation (circular only)
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Vec2 mul; // rotation multiplier (circular only)
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// vectors building
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if(_arrange_mode==arrange_horizontal)
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{
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// first position
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pos = Vec2(2*_radius, 2*_radius);
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// increment
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inc = Vec2(3*_radius, 0);
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}
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else if(_arrange_mode==arrange_vertical)
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{
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// first position
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pos = Vec2(2*_radius, 2*_radius);
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// increment
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inc = Vec2(0, 3*_radius);
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}
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else // _arrange_mode==arrange_circular
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@ -418,33 +478,39 @@ HoltWidget::arrange()
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int sx = _draw_w; // get_width();
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int sy = _draw_h; // get_height();
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int nelem = _holt_resources.size()+_holt_schedulables.size();
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if(nelem>1)
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{
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// take minimum between x and y
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if(sx<=sy)
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inc = Vec2(sx/2-2*_radius, 0);
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inc = Vec2(-(sx/2-2*_radius), 0);
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else
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inc = Vec2(sy/2-2*_radius, 0);
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inc = Vec2(-(sy/2-2*_radius), 0);
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}
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else
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{
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// zero or one object always at center
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inc = Vec2(0, 0);
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}
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// calc rotation angle
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if(nelem>0)
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mul = Vec2(cos(2*M_PI/(double)nelem), sin(2*M_PI/(double)nelem));
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else
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mul = Vec2(0,0);
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// cen = Vec2(sx/2, sy/2);
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cen = Vec2(2*_radius+inc.real(), 2*_radius+inc.real());
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pos = inc + cen;
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// cout << "A) pos=" << pos << " cen=" << cen << " inc=" << inc << " mul=" << mul << endl;
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}
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// positions all resources
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HoltResources::const_iterator riter = _holt_resources.begin();
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while(riter!=_holt_resources.end())
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{
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HoltResource* hr = (*riter).second;
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// cout << "r-A) pos=" << pos << " cen=" << cen << " inc=" << inc << " mul=" << mul << endl;
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hr->set_position(pos);
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hr->set_radius(_radius);
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/*
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if(pos.real()+_radius>_x_req)
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_x_req = pos.real()+_radius;
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if(pos.imag()+_radius>_y_req)
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_y_req = pos.imag()+_radius;
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*/
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// calc next position
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if(_arrange_mode!=arrange_circular)
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{
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pos += inc;
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@ -455,9 +521,11 @@ HoltWidget::arrange()
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pos = cen + inc;
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}
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riter++;
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// cout << "r-B) pos=" << pos << " cen=" << cen << " inc=" << inc << " mul=" << mul << endl;
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}
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// positions all schedulables
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// if linear disposition then must reevaluate start and increment
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// when circular continue with previous values to end circle
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if(_arrange_mode==arrange_horizontal)
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{
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pos = Vec2(2*_radius, 8*_radius);
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@ -473,15 +541,9 @@ HoltWidget::arrange()
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while(piter!=_holt_schedulables.end())
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{
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HoltSchedulable* hp = (*piter);
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// cout << "p-A) pos=" << pos << " cen=" << cen << " inc=" << inc << " mul=" << mul << endl;
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hp->set_position(pos);
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hp->set_radius(_radius);
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/*
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if(pos.real()+_radius>_x_req)
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_x_req = pos.real()+_radius;
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if(pos.imag()+_radius>_y_req)
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_y_req = pos.imag()+_radius;
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*/
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if(_arrange_mode!=arrange_circular)
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{
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pos += inc;
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@ -491,7 +553,6 @@ HoltWidget::arrange()
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inc *= mul;
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pos = cen + inc;
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}
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// cout << "p-B) pos=" << pos << " cen=" << cen << " inc=" << inc << " mul=" << mul << endl;
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piter++;
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}
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@ -518,23 +579,21 @@ HoltWidget::set_show_threads(bool show)
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void
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HoltWidget::update(const Simulation& changed_simulation)
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HoltWidget::update(const Simulation& /*changed_simulation*/)
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{
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std::cout << "HoltWidget::update - Simulation" << endl;
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// Force redraw
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//redraw();
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// acquire();
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// resize_redraw();
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}
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void
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HoltWidget::update(const History& changed_history)
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HoltWidget::update(const History& /*changed_history*/)
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{
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#ifndef NDEBUG
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std::cout << "HoltWidget::update - History" << endl;
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// Force redraw
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//redraw();
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#endif
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// take new data
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acquire();
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// Force redraw
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resize_redraw();
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}
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@ -544,7 +603,9 @@ HoltWidget::update(const History& changed_history)
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void
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HoltWidget::acquire()
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{
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#ifndef NDEBUG
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std::cout << "HoltWidget::acquire" << endl;
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#endif
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const HoltResources& const_holt_resources = _holt_resources;
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for(Iseq<HoltResources::const_iterator> it = iseq(const_holt_resources); it; ++it)
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@ -603,9 +664,6 @@ HoltWidget::acquire()
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}
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// iter trough threads, requests, subrequests
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// FIXME
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// typedef std::vector<Thread*> Threads;
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// typedef std::vector<Thread*>::const_iterator thr_iterator;
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const std::vector<Thread*>& tvect = p->get_threads();
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std::vector<Thread*>::const_iterator thr_iter = tvect.begin();
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while(thr_iter!=tvect.end())
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@ -661,8 +719,6 @@ HoltWidget::acquire()
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// associates process (or thread) with resource)
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HoltRequest *hreq = new HoltRequest(*hp, *(hpos->second), sr->get_state());
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_holt_requests.push_back(hreq);
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// cout << "added HoltRequest\n"
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// os << " name: " << pos->second->get_name();
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}
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} // ~ if(subr_state==Request::state_unallocable ... etc
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/*
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@ -686,7 +742,9 @@ HoltWidget::acquire()
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void
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HoltWidget::draw_widget(cairo_t* ctx)
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{
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#ifndef NDEBUG
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std::cout << "HoltWidget::draw_widget" << endl;
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#endif
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// dispose objects
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arrange();
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@ -754,7 +812,6 @@ HoltWidget::calc_drawing_size(cairo_t* ctx, size_t& width, size_t& height)
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max = _n_res;
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cairo_text_extents_t extents;
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// std::cout << " x_unit: " << std::endl;
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static const Glib::ustring val("Process 999 Resource 999");
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cairo_text_extents(ctx, val.c_str(), &extents);
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_radius = extents.width/4.0;
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@ -762,13 +819,15 @@ HoltWidget::calc_drawing_size(cairo_t* ctx, size_t& width, size_t& height)
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switch(_arrange_mode)
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{
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case arrange_horizontal:
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width = max * 4 * _radius;
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height = 10 * _radius;
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width = (size_t) (max * 4 * _radius);
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height = (size_t) (10 * _radius);
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break;
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case arrange_vertical:
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width = 10 * _radius;
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height = max * 4 * _radius;
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width = (size_t) (10 * _radius);
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height = (size_t) (max * 4 * _radius);
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break;
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case arrange_circular:
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int tot = (_n_proc + _n_res);
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double alpha = 0;
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@ -782,15 +841,16 @@ HoltWidget::calc_drawing_size(cairo_t* ctx, size_t& width, size_t& height)
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}
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if(diam<4 * _radius)
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diam = 4 * _radius;
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width = height = diam + 4 * _radius;
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width = height = (size_t) (diam + 4 * _radius);
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break;
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}
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cout << "Holt widget AFTER calc_drawing_size width=" << width << " height=" << height << endl;
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}
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/*
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void
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HoltWidget::calc_widget_size(size_t& width, size_t& height)
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{
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cout << "Holt widget BEFORE calc_widget_size width=" << width << " height=" << height << endl;
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width = height = 20; // default minimum size
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}
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*/
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@ -44,88 +44,329 @@ namespace sgpem
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/**
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* \brief Every point or vector is a Vec2.
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*
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* This phisical vector class, Vec2 is realized trough
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* complex<double> because it's a full operative class with operators.
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* complex<double> because it's a full functional
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* class with operators and easy vector operation as
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* sum, multiply by scalar, rotation.
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*/
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typedef std::complex<double> Vec2;
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/**
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* \brief Base class to draw holt graph nodes (schedulables and resources).
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*
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* This class is an "element" used by HoltWidget to draw holt graphs.
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* An holt graph is built of circular nodes representing schedulables
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* and square nodes representing resources connected as needed by
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* arrows.
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*
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* This is a base abstract class for schedulables and resources.
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* It has basic methods for positioning and sizing.
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* The abstract method get_intersection() must be defined
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* in derived classes to calculate the intersection of a request
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* arrow with the node edge.
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*
|
||||
* Method draw() (abstract too) must provide effective object drawing.
|
||||
*/
|
||||
class HoltNode
|
||||
{
|
||||
public:
|
||||
// HoltNode(double x=0.0, double y=0.0);
|
||||
/**
|
||||
* \brief Unique constructor taking a Vec2 point as position.
|
||||
*
|
||||
* \param pt the predefined node position; default position at (0,0).
|
||||
*/
|
||||
HoltNode(Vec2 pt = Vec2(0.0, 0.0));
|
||||
|
||||
/**
|
||||
* \brief Class virtual destructor.
|
||||
*/
|
||||
virtual ~HoltNode();
|
||||
|
||||
/**
|
||||
* \brief Effective output cairo drawing method.
|
||||
*
|
||||
* \param cr The cairo context to draw to.
|
||||
*/
|
||||
virtual void draw(cairo_t *cr) = 0;
|
||||
// void set_position(double x, double y);
|
||||
|
||||
/**
|
||||
* \brief Setter and getter method for position parameter.
|
||||
*
|
||||
* Position is in the center of object.
|
||||
*
|
||||
* \param pt The point to position the object.
|
||||
* \return The previous position.
|
||||
*/
|
||||
Vec2 set_position(Vec2 pt);
|
||||
|
||||
/**
|
||||
* \brief Getter method for position parameter.
|
||||
*
|
||||
* Position is in the center of object.
|
||||
*
|
||||
* \return The object actual position.
|
||||
*/
|
||||
Vec2 get_position();
|
||||
|
||||
/**
|
||||
* \brief Sets dimension of object.
|
||||
*
|
||||
* Radius represent the node dimension.
|
||||
* By default these object are symmetrical and radius stay
|
||||
* for "radius" in circular shaped nodes (schedulables),
|
||||
* an half of the side for square objects (resources).
|
||||
*
|
||||
* \param radius The new desired value.
|
||||
* \return The radius previous value.
|
||||
*/
|
||||
double set_radius(double radius);
|
||||
|
||||
/**
|
||||
* \brief Gets dimension of object.
|
||||
*
|
||||
* Radius represent the node dimension.
|
||||
* By default these object are symmetrical and radius stay
|
||||
* for "radius" in circular shaped nodes (schedulables),
|
||||
* an half of the side for square objects (resources).
|
||||
*
|
||||
* \return The actual radius value.
|
||||
*/
|
||||
double get_radius();
|
||||
|
||||
/**
|
||||
* \brief Computes point of intersection with edge.
|
||||
*
|
||||
* Giving a point outside the object edge this funcion returns
|
||||
* the intersection of the segment connecting the shape center
|
||||
* with the given point.
|
||||
* Because is "shape dependent" it must be redefined in derived
|
||||
* classes.
|
||||
*
|
||||
* \param pt The point to (ideally) connect to.
|
||||
* \return The intersection of edge with segment from center to pt.
|
||||
*/
|
||||
virtual Vec2 get_intersection_to(Vec2 pt) = 0;
|
||||
|
||||
protected:
|
||||
/**
|
||||
* \brief Object dimension.
|
||||
*/
|
||||
double _radius;
|
||||
// double _x, _y;
|
||||
|
||||
/**
|
||||
* \brief Object position.
|
||||
*/
|
||||
Vec2 _pos;
|
||||
private:
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* \brief An holt node representing resources.
|
||||
*
|
||||
* A resource is drawn in form of square.
|
||||
* This class derives from HoltNode and implements
|
||||
* the abstract methods draw() and get_intersection().
|
||||
*
|
||||
* This class is used internally by HoltWidget, an HistoryObserver
|
||||
* and is strictly related to backend class Resource (and derived).
|
||||
* Inside there is a pointer to the rapresented resource and its key.
|
||||
*
|
||||
*/
|
||||
class HoltResource : public HoltNode
|
||||
{
|
||||
public:
|
||||
// HoltResource(const Resource& resource, resource_key_t resource_key, double x=0.0, double y=0.0);
|
||||
/**
|
||||
* \brief Unique constructor referring to resource and position in graph.
|
||||
*
|
||||
* \param resource The referred resource rapresented by this object.
|
||||
* \param resource_key Unique numeric key associated with this resource.
|
||||
* \param pt Position of object in graph.
|
||||
*/
|
||||
HoltResource(const Resource& resource, resource_key_t resource_key, Vec2 pt = Vec2(0.0, 0.0));
|
||||
|
||||
/**
|
||||
* \brief Object's virtual destructor.
|
||||
*/
|
||||
virtual ~HoltResource();
|
||||
|
||||
/**
|
||||
* \brief Object's drawing method.
|
||||
*
|
||||
* \param cr Cairo context to draw to.
|
||||
*/
|
||||
virtual void draw(cairo_t *cr);
|
||||
|
||||
/**
|
||||
* \brief Computes point of intersection with edge.
|
||||
*
|
||||
* Giving a point outside the object (square) edge this funcion returns
|
||||
* the intersection of the segment connecting the shape center
|
||||
* with the given point.
|
||||
*
|
||||
* \param pt The point to (ideally) connect to.
|
||||
* \return The intersection of edge with segment from center to pt.
|
||||
*/
|
||||
virtual Vec2 get_intersection_to(Vec2 pt);
|
||||
protected:
|
||||
|
||||
private:
|
||||
/**
|
||||
* \brief Pointer to the related resource.
|
||||
*/
|
||||
const Resource* _resource;
|
||||
|
||||
/**
|
||||
* \brief Numeric key associated with this resource.
|
||||
*/
|
||||
resource_key_t _resource_key;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* \brief An holt node representing schedulables (processes and threads).
|
||||
*
|
||||
* A schedulable is drawn in form of circle.
|
||||
* This class derives from HoltNode and implements
|
||||
* the abstract methods draw() and get_intersection().
|
||||
*
|
||||
* This class is used internally by HoltWidget, an HistoryObserver
|
||||
* and is strictly related to backend class Schedulable (and derived).
|
||||
* Inside there is a pointer to the rapresented schedulable.
|
||||
*
|
||||
*/
|
||||
class HoltSchedulable : public HoltNode
|
||||
{
|
||||
public:
|
||||
//HoltSchedulable(const Schedulable& schedulable, double x=0.0, double y=0.0);
|
||||
/**
|
||||
* \brief Unique constructor referring to schedulable and position in graph.
|
||||
*
|
||||
* \param schedulable The referred schedulable rapresented by this object.
|
||||
* \param pt Position of object in graph.
|
||||
*/
|
||||
HoltSchedulable(const Schedulable& schedulable, Vec2 pt = Vec2(0.0, 0.0));
|
||||
|
||||
/**
|
||||
* \brief Object's virtual destructor.
|
||||
*/
|
||||
virtual ~HoltSchedulable();
|
||||
|
||||
/**
|
||||
* \brief Object's drawing method.
|
||||
*
|
||||
* \param cr Cairo context to draw to.
|
||||
*/
|
||||
virtual void draw(cairo_t *cr);
|
||||
|
||||
/**
|
||||
* \brief Computes point of intersection with edge.
|
||||
*
|
||||
* Giving a point outside the object (circle) edge this funcion returns
|
||||
* the intersection of the segment connecting the shape center
|
||||
* with the given point.
|
||||
*
|
||||
* \param pt The point to (ideally) connect to.
|
||||
* \return The intersection of edge with segment from center to pt.
|
||||
*/
|
||||
virtual Vec2 get_intersection_to(Vec2 pt);
|
||||
protected:
|
||||
|
||||
private:
|
||||
/**
|
||||
* \brief Pointer to the related schedulable.
|
||||
*/
|
||||
const Schedulable* _schedulable;
|
||||
};
|
||||
|
||||
/**
|
||||
* \brief Base class to draw holt graph arrows (requests/allocation).
|
||||
*
|
||||
* An arrow from a schedulable to a resource is called
|
||||
* a request, counter is called an assignment.
|
||||
*
|
||||
* This is the class for both.
|
||||
* It "connects" two objects: a schedulable and a resource and
|
||||
* has a state to tell the direction of arrow.
|
||||
* The state definition come from the class Request.
|
||||
* Not all the values are drawn but only allocated (green),
|
||||
* allocable (yellow), unallocable (red).
|
||||
*/
|
||||
class HoltRequest
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* \brief Object construcor.
|
||||
*
|
||||
* \param hp Reference to the HoltSchedulable.
|
||||
* \param hr Reference to HoltResource.
|
||||
* \param state Type of request.
|
||||
*/
|
||||
HoltRequest(HoltSchedulable& hp, HoltResource& hr, Request::state state);
|
||||
|
||||
/**
|
||||
* \brief Object's virtual destructor.
|
||||
*/
|
||||
virtual ~HoltRequest();
|
||||
|
||||
/**
|
||||
* \brief Object's drawing method.
|
||||
*
|
||||
* \param cr Cairo context to draw to.
|
||||
*/
|
||||
virtual void draw(cairo_t *cr);
|
||||
virtual void arrow(cairo_t *cr, Vec2 first, Vec2 second);
|
||||
protected:
|
||||
|
||||
private:
|
||||
/**
|
||||
* \brief Methot for draw an arrow giving starting and ending points.
|
||||
*
|
||||
* \param cr Cairo context.
|
||||
* \param first Starting point.
|
||||
* \param first Ending point.
|
||||
*/
|
||||
virtual void arrow(cairo_t *cr, Vec2 first, Vec2 second);
|
||||
|
||||
/**
|
||||
* \brief Pointer to the referring schedulable.
|
||||
*/
|
||||
HoltSchedulable* _hp;
|
||||
|
||||
/**
|
||||
* \brief Pointer to the referring resource.
|
||||
*/
|
||||
HoltResource* _hr;
|
||||
|
||||
/**
|
||||
* \brief State of request.
|
||||
*/
|
||||
Request::state _state;
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* \brief Widget representing an Holt graph.
|
||||
*
|
||||
* This class is based on Simulation and History observers
|
||||
* to get updates during the simulation progress; it's
|
||||
* derived from CairoWidget to get the buffering and scaling
|
||||
* features of that class.
|
||||
*
|
||||
* The objects disposition can be done in three ways:
|
||||
* - horizontal: resources top, schedulables bottom, from left to right
|
||||
* - vertical: resources left, schedulables right, from top to bottom
|
||||
* - circular: resources and processes along a cricle
|
||||
* This disposition is called "arrange mode"
|
||||
*
|
||||
* \deprecated The class should implement only HistoryObserver
|
||||
*
|
||||
*/
|
||||
class HoltWidget
|
||||
: public SimulationObserver,
|
||||
public HistoryObserver,
|
||||
public CairoWidget
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* \brief Modes to dispose graph nodes.
|
||||
*/
|
||||
enum arrange_mode
|
||||
{
|
||||
arrange_horizontal = 1 << 0,
|
||||
|
|
@ -133,46 +374,185 @@ namespace sgpem
|
|||
arrange_circular = 1 << 2
|
||||
};
|
||||
|
||||
typedef std::map<resource_key_t, HoltResource*> HoltResources;
|
||||
typedef std::vector<HoltSchedulable*> HoltProcesses;
|
||||
typedef std::vector<HoltRequest*> HoltRequests;
|
||||
|
||||
/**
|
||||
* \brief Unique constructor.
|
||||
*
|
||||
* Saves the passed argument in data member _simulation.
|
||||
*
|
||||
* \param simulation The observed Simulation
|
||||
*/
|
||||
HoltWidget(Simulation& simulation);
|
||||
|
||||
/**
|
||||
* \brief Object's virtual destructor.
|
||||
*/
|
||||
virtual ~HoltWidget();
|
||||
|
||||
/**
|
||||
* \brief SimulationObserver's update method redefinition.
|
||||
*
|
||||
* Actually is a dummy method.
|
||||
*
|
||||
* \param changed_simulation the observed Simulation
|
||||
*/
|
||||
void update(const Simulation& changed_simulation);
|
||||
void update(const History& changed_history);
|
||||
void acquire();
|
||||
|
||||
double get_radius();
|
||||
/**
|
||||
* \brief HistoryObserver's update method redefinition.
|
||||
*
|
||||
* Updates the widget to reflects history current state.
|
||||
*
|
||||
* \param changed_history the observed History
|
||||
*/
|
||||
void update(const History& changed_history);
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* \brief Sets dimension of contained objects.
|
||||
*
|
||||
* \param radius The new desired value.
|
||||
* \return The radius previous value.
|
||||
*/
|
||||
double set_radius(double radius);
|
||||
|
||||
/**
|
||||
* \brief Gets dimension of contained objects.
|
||||
*
|
||||
* \return The actual radius value.
|
||||
*/
|
||||
double get_radius();
|
||||
|
||||
/**
|
||||
* \brief Gets the current arrange mode.
|
||||
*
|
||||
* \return The actual arrange mode value.
|
||||
*/
|
||||
arrange_mode get_arrange_mode();
|
||||
|
||||
/**
|
||||
* \brief Sets and gets arrange mode.
|
||||
*
|
||||
* \param mode The desired arrange mode.
|
||||
* \return The previous mode value.
|
||||
*/
|
||||
arrange_mode set_arrange_mode(arrange_mode mode);
|
||||
void arrange();
|
||||
|
||||
/**
|
||||
* \brief Gets the _show_threads flag current status.
|
||||
*
|
||||
* \return true if threads visualization is enabled
|
||||
*/
|
||||
bool get_show_threads();
|
||||
|
||||
/**
|
||||
* \brief Sets and gets the _show_threads flag status.
|
||||
*
|
||||
* If _show_threads is disabled processes will be drawn on widget.
|
||||
* If _show_threads is enabled then threads will be shown.
|
||||
*
|
||||
* \param show the new desired status of threads visualization
|
||||
* \return the previous status
|
||||
*/
|
||||
bool set_show_threads(bool show);
|
||||
|
||||
protected:
|
||||
|
||||
|
||||
/**
|
||||
* \brief Execute the widget painting when needed.
|
||||
*
|
||||
* \param ctx the cairo context to draw to
|
||||
* \see CairoWidget for more.
|
||||
*/
|
||||
void draw_widget(cairo_t* ctx);
|
||||
|
||||
virtual void calc_drawing_size(cairo_t* ctx, size_t& width, size_t& height);
|
||||
virtual void calc_widget_size(size_t& width, size_t& height);
|
||||
|
||||
/**
|
||||
* \brief calculated the needed drawing surface dimensions.
|
||||
*
|
||||
* \param ctx the cairo context to calc draw related dimensions
|
||||
* \param width the return parameter for desired width
|
||||
* \param height the return parameter for desired height
|
||||
*/
|
||||
virtual void calc_drawing_size(cairo_t* ctx, size_t& width, size_t& height);
|
||||
|
||||
// virtual void calc_widget_size(size_t& width, size_t& height);
|
||||
|
||||
/**
|
||||
* \brief Gets the actual history status and make graph objects.
|
||||
*/
|
||||
void acquire();
|
||||
|
||||
/**
|
||||
* \brief Reposition objects respecting actual arrange mode.
|
||||
*/
|
||||
void arrange();
|
||||
private:
|
||||
// int _x_unit;
|
||||
//int _y_unit;
|
||||
/**
|
||||
* \brief Associative container to keep HoltResource elements.
|
||||
*
|
||||
* This is a map because each schedulables request must find
|
||||
* the related object throug its key.
|
||||
*/
|
||||
typedef std::map<resource_key_t, HoltResource*> HoltResources;
|
||||
|
||||
/**
|
||||
* \brief Container to keep HoltSchedulable elements.
|
||||
*/
|
||||
typedef std::vector<HoltSchedulable*> HoltProcesses;
|
||||
|
||||
/**
|
||||
* \brief Container to keep HoltRequest elements.
|
||||
*/
|
||||
typedef std::vector<HoltRequest*> HoltRequests;
|
||||
|
||||
|
||||
/**
|
||||
* \brief Pointer to the observed simulation.
|
||||
*/
|
||||
Simulation* _simulation;
|
||||
|
||||
/**
|
||||
* \brief Radius used to dimension all controlled objects.
|
||||
*/
|
||||
double _radius;
|
||||
|
||||
/**
|
||||
* \brief The HoltResource container.
|
||||
*/
|
||||
HoltResources _holt_resources;
|
||||
|
||||
/**
|
||||
* \brief The HoltProcess container.
|
||||
*/
|
||||
HoltProcesses _holt_schedulables;
|
||||
|
||||
/**
|
||||
* \brief The HoltRequest container.
|
||||
*/
|
||||
HoltRequests _holt_requests;
|
||||
|
||||
/**
|
||||
* \brief Number of schedulables (processes or threads) to draw.
|
||||
*/
|
||||
int _n_proc;
|
||||
|
||||
/**
|
||||
* \brief Number of resources to draw.
|
||||
*/
|
||||
int _n_res;
|
||||
|
||||
/**
|
||||
* \brief The current "arrange mode".
|
||||
*
|
||||
* \see arrange_mode
|
||||
*/
|
||||
arrange_mode _arrange_mode;
|
||||
|
||||
/**
|
||||
* \brief Flag to select processes or threads visualization.
|
||||
*/
|
||||
bool _show_threads;
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -61,11 +61,11 @@ namespace sgpem
|
|||
{
|
||||
public:
|
||||
/**
|
||||
* \brief default and unique constructor.
|
||||
* \brief Unique constructor.
|
||||
*
|
||||
* Saves the passed argument in data member _simulation.
|
||||
*
|
||||
* \param simulation the observed Simulation
|
||||
* \param simulation The observed Simulation
|
||||
*/
|
||||
SimulationWidget(Simulation& simulation);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue