- Add stubs to implement custom widget to show schedulables entities.
Paint a red clown nose just to show the humour of the thing, and that it works(?). git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@755 3ecf2c5c-341e-0410-92b4-d18e462d057c
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@ -269,6 +269,7 @@ sgpemv2_SOURCES = \
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src/main_window.cc \
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src/observer.cc \
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src/parse_opts.cc \
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src/schedulables_widget.cc \
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src/simulation.cc \
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src/standard_io.cc \
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src/text_simulation.cc
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@ -282,6 +283,7 @@ noinst_HEADERS += \
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src/main_window.hh \
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src/observer.hh \
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src/parse_opts.hh \
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src/schedulables_widget.hh \
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src/simulation.hh \
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src/standard_io.hh \
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src/text_simulation.hh
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@ -21,10 +21,12 @@
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#include "config.h"
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#include "gettext.h"
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#include "schedulables_widget.hh"
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#include "gui_builder.hh"
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#include <glibmm/ustring.h>
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#include <gtkmm/aboutdialog.h>
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#include <gtkmm/expander.h>
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#include <gtkmm/main.h>
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#include <gtkmm/menuitem.h>
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@ -54,6 +56,14 @@ GuiBuilder::GuiBuilder(const std::string& gladefile)
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AboutDialog* about_dialog = NULL;
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_refXml->get_widget("AboutDialog", about_dialog);
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help_about->signal_activate().connect(sigc::mem_fun(*about_dialog, &Window::show));
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// Temporary code to test the Schedulables custom widget
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Expander* scheds_expander = NULL;
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_refXml->get_widget("SchedulablesExpander", scheds_expander);
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SchedulablesWidget* scheds_widget = manage(new SchedulablesWidget());
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scheds_expander->add(*scheds_widget);
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// we have to remember to manually show custom added widgets:
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scheds_widget->show();
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}
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@ -0,0 +1,128 @@
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// src/schedulables_widget.cc - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "schedulables_widget.hh"
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#include <cmath>
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using namespace sgpem;
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SchedulablesWidget::SchedulablesWidget()
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: _ctx(NULL)
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{
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// Add other events we want to manage (as mouse clicks)
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// when needed
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add_events(Gdk::EXPOSURE_MASK);
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}
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SchedulablesWidget::~SchedulablesWidget()
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{
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}
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void
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SchedulablesWidget::update(const History& history)
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{
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// FIXME : write me
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}
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void
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SchedulablesWidget::on_size_request(Gtk::Requisition* requisition)
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{
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// FIXME: take correct measures, consider also using a viewport(?)
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*requisition = Gtk::Requisition();
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requisition->width = get_allocation().get_width();
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requisition->height = requisition->width;
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}
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bool
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SchedulablesWidget::on_expose_event(GdkEventExpose* event)
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{
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// Use double buffering or we're CPU-dead
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Glib::RefPtr<Gdk::Window> window = get_window();
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GdkWindow* gdkWindow = window->gobj();
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GdkDrawable* gdkDrawable;
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gint xOffset, yOffset;
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gdk_window_get_internal_paint_info(gdkWindow, &gdkDrawable, &xOffset, &yOffset);
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// Copy new ctx from old one (the buffer); from distant memories,
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// we should use something like create_similar to instantiate a
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// compatible surface and then copy the buffer to fg
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// So the following two lines WILL HAVE TO CHANGE.
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cairo_t*& cr = _ctx;
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cr = gdk_cairo_create(gdkDrawable);
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const Gtk::Allocation& allocation = get_allocation();
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int width = allocation.get_width();
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int height = allocation.get_height();
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// Already clip, so that paint hasn't to care about it:
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if(event)
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{
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cairo_rectangle(cr, event->area.x, event->area.y,
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event->area.width, event->area.height);
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cairo_clip(cr);
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}
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// NOTE: just to try:
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// should be calculated dinamically:
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set_size_request(200,400);
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// Height should be calculated dynamically?
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cairo_scale(cr, width, width);
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cairo_set_line_width(cr, 0.02);
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cairo_set_source_rgba(cr, 0, 0, 0, 1);
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// Draw initial sphere perimeter
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float r = 1.f, g = 0.f, b = 0.f;
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double x = .5, y = .5, radius = .5;
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cairo_save(cr);
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cairo_new_path(cr);
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cairo_arc(cr, x, y, radius, 0, 2*M_PI);
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cairo_pattern_t* grad = cairo_pattern_create_radial(x, y, radius, x, y, radius - .15);
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cairo_pattern_add_color_stop_rgba(grad, 0, r - .2, g - .2, b - .2, 1);
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cairo_pattern_add_color_stop_rgba(grad, 1, r, g, b, 1);
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cairo_set_source(cr, grad);
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cairo_fill_preserve(cr);
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cairo_pattern_destroy(grad);
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cairo_set_source_rgba(cr, 0, 0, 0, 1);
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cairo_set_line_width(cr, radius * .01);
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cairo_stroke(cr);
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cairo_restore(cr);
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cairo_destroy(cr);
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return true;
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}
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bool
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SchedulablesWidget::on_button_press_event(GdkEventButton* event)
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{
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// Not here. Yet.
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return false;
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}
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@ -0,0 +1,57 @@
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// src/schedulables_widget.hh - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef SCHEDULABLES_WIDGET_HH
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#define SCHEDULABLES_WIDGET_HH 1
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#include "config.h"
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#include "backend/history_observer.hh"
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#include <gtkmm/drawingarea.h>
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namespace sgpem
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{
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class SchedulablesWidget : public Gtk::DrawingArea, public HistoryObserver
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{
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public:
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SchedulablesWidget();
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virtual ~SchedulablesWidget();
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void update(const History& history);
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protected:
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virtual void on_size_request(Gtk::Requisition* requisition);
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virtual bool on_expose_event(GdkEventExpose* event);
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virtual bool on_button_press_event(GdkEventButton* event);
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private:
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typedef Gdk::Rectangle area_t;
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typedef sigc::mem_functor0<void, SchedulablesWidget> method0_t;
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typedef std::pair<area_t, method0_t> area_callback_t;
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typedef std::vector<area_callback_t> areas_vect_t;
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cairo_t* _ctx;
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};
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} //~ namespace sgpem
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#endif //~ SCHEDULABLES_WIDGET_HH
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