- Split SimulationController from GuiBuilder and put it in its own file

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@994 3ecf2c5c-341e-0410-92b4-d18e462d057c
This commit is contained in:
tchernobog 2006-09-02 11:31:01 +00:00
parent 5d837552c8
commit f003779a04
5 changed files with 313 additions and 236 deletions

View File

@ -307,6 +307,7 @@ sgpemv2_SOURCES = \
src/resources_widget.cc \
src/schedulable_state_widget.cc \
src/schedulables_tree_widget.cc \
src/simulation_controller.cc \
src/simulation_widget.cc \
src/text_simulation.cc
@ -322,6 +323,7 @@ noinst_HEADERS += \
src/resources_widget.hh \
src/schedulable_state_widget.hh \
src/schedulables_tree_widget.hh \
src/simulation_controller.hh \
src/simulation_widget.hh \
src/text_simulation.hh

View File

@ -1,4 +1,4 @@
// src/startgui.cc - Copyright 2005, 2006, University
// src/gui_builder.cc - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
@ -21,8 +21,9 @@
#include "config.h"
#include "gettext.h"
#include "configure_policy_dialog.hh"
#include "gui_builder.hh"
#include "configure_policy_dialog.hh"
#include "graphical_preferences_editor.hh"
#include "schedulables_tree_widget.hh"
#include "simulation_widget.hh"
@ -31,9 +32,7 @@
#include "sequences.tcc"
#include "backend/cpu_policy_exception.hh"
#include "backend/malformed_policy_exception.hh"
#include "backend/null_policy_exception.hh"
#include "backend/user_interrupt_exception.hh"
#include "backend/cpu_policies_gatekeeper.hh"
#include "backend/cpu_policy_manager.hh"
#include "backend/resource_policies_gatekeeper.hh"
@ -46,16 +45,15 @@
#include <gdkmm/pixbuf.h>
#include <glibmm/markup.h>
#include <glibmm/timer.h>
#include <glibmm/ustring.h>
#include <gtkmm/aboutdialog.h>
#include <gtkmm/messagedialog.h>
#include <gtkmm/menutoolbutton.h>
#include <gtkmm/filechooserdialog.h>
#include <gtkmm/main.h>
#include <gtkmm/menuitem.h>
#include <gtkmm/checkmenuitem.h>
#include <gtkmm/radiomenuitem.h>
#include <gtkmm/menuitem.h>
#include <gtkmm/radiobuttongroup.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/statusbar.h>
@ -70,7 +68,8 @@ using Gnome::Glade::Xml;
void
GuiBuilder::on_edit_preferences_activate()
{
new PreferencesEditor(); //FIXME: are we leaking this way?
new PreferencesEditor(); //FIXME: are we leaking this way? (definitely yes. use
// a refptr member data?)
}
void
@ -380,8 +379,6 @@ GuiBuilder::GuiBuilder(const std::string& gladefile)
{
using namespace Gtk;
//Window& main_window = get_initial_window();
// file open dialog
MenuItem* file_open = NULL;
_refXml->get_widget("MenuItem.File.Open", file_open);
@ -492,191 +489,3 @@ GuiBuilder::open_file(const std::string& filename)
std::cout << _("Filename to open: ") << filename << std::endl;
}
// ---------------------------------
SimulationController::SimulationController(Simulation& simulation, Glib::RefPtr<Xml> refXml)
: _sim(simulation), _break_requested(false)
{
using namespace Gtk;
_sim.attach(*this);
// Start, pause and stop simulation from the toolbar
// TODO: can we use action groups instead of this?
refXml->get_widget("ToolBar.Play", _toolbt_start);
refXml->get_widget("ToolBar.Pause", _toolbt_pause);
refXml->get_widget("ToolBar.Stop", _toolbt_stop);
refXml->get_widget("MenuItem.Simulation.Play", _menuit_start);
refXml->get_widget("MenuItem.Simulation.Pause", _menuit_pause);
refXml->get_widget("MenuItem.Simulation.Stop", _menuit_stop);
_toolbt_start->signal_clicked().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_run));
_toolbt_pause->signal_clicked().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_pause));
_toolbt_stop->signal_clicked().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_stop));
_menuit_start->signal_activate().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_run));
_menuit_pause->signal_activate().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_pause));
_menuit_stop->signal_activate().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_stop));
}
SimulationController::~SimulationController()
{
_sim.detach(*this);
}
void
SimulationController::on_simulation_run()
{
// Sensitivities
_toolbt_start->set_sensitive(false);
_toolbt_pause->set_sensitive(true);
_toolbt_stop->set_sensitive(true);
_menuit_start->set_sensitive(false);
_menuit_pause->set_sensitive(true);
_menuit_stop->set_sensitive(true);
_break_requested = false;
// Used instead of simply calling "_sim.run()" to
// have exception handling only in one place:
run_simulation_adaptor();
}
void
SimulationController::on_simulation_pause()
{
// Sensitivities
_toolbt_start->set_sensitive(true);
_toolbt_pause->set_sensitive(false);
_toolbt_stop->set_sensitive(true);
_menuit_start->set_sensitive(true);
_menuit_pause->set_sensitive(false);
_menuit_stop->set_sensitive(true);
_break_requested = true;
_sim.pause();
}
void
SimulationController::on_simulation_stop()
{
// Sensitivities
_toolbt_start->set_sensitive(true);
_toolbt_pause->set_sensitive(false);
_toolbt_stop->set_sensitive(false);
_menuit_start->set_sensitive(true);
_menuit_pause->set_sensitive(false);
_menuit_stop->set_sensitive(false);
_break_requested = true;
_sim.stop();
}
void
SimulationController::update(const Simulation& simulation)
{
#ifndef NDEBUG
std::cerr << "SimulationController::update(), simulation state == " << std::hex << simulation.get_state() << std::endl;
#endif
if(_break_requested)
return;
switch(simulation.get_state())
{
case Simulation::state_stopped:
on_simulation_stop();
return;
case Simulation::state_paused:
on_simulation_pause();
return;
case Simulation::state_running:
// Go on with the rest of the method...
break;
}
// We should never enter here, if the code is correct:
// a step by step simulation should always be in paused
// or stopped state after performing a single step
assert(simulation.get_mode() != Simulation::mode_step_by_step);
switch(simulation.get_mode())
{
case Simulation::mode_continuous:
{
int timeout = GlobalPreferences::get_instance().get_speed();
Glib::signal_timeout().connect(sigc::mem_fun(*this, &SimulationController::run_simulation_adaptor), timeout);
}
break;
default:
// Never gets here.
break;
}
}
bool
SimulationController::run_simulation_adaptor()
{
using Gtk::MessageDialog;
using namespace Glib;
if(!_break_requested)
try
{
_sim.run();
}
catch(const UserInterruptException& uie)
{
// Show the user a dialog
MessageDialog diag(_("<b>The selected user CPU policy stopped before returning:</b>\n") + Markup::escape_text(uie.what()),
true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
}
catch(const MalformedPolicyException& mpe)
{
// Show user a dialog
MessageDialog diag(_("<b>The selected user CPU policy was malformed and failed to sort the queue:</b>\n") +
Markup::escape_text(mpe.what()), true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
try
{
// Deactivate the policy
_sim.set_policy(NULL);
}
catch(const CPUPolicyException& cpe)
{
// Fatal error. We should never get here.
std::cerr << _(" [EE] Fatal error. Impossible to deactivate the policy in ") << __FILE__ << ":" << __LINE__
<< std::endl << _(" [EE] ") << cpe.what() << std::endl;
;
abort();
}
}
catch(const NullPolicyException& npe)
{
MessageDialog diag(_("<b>No active policy selected:</b>\n") + Markup::escape_text(npe.what()),
true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
}
catch(const CPUPolicyException& cpe)
{
MessageDialog diag(_("<b>Unexpected error</b>:\n") + Markup::escape_text(cpe.what()),
true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
}
return false;
}

View File

@ -26,56 +26,21 @@
#include "backend/cpu_policy.hh"
#include "backend/resource_policy.hh"
#include "backend/simulation_observer.hh"
#include "simulation_controller.hh"
#include <gtkmm/menu.h>
#include <gtkmm/toolbutton.h>
#include <gtkmm/window.h>
#include <libglademm/xml.h>
#include <string>
/** \brief This class initialize and starts the whole GUI
*/
namespace sgpem
{
class GuiBuilder;
class SimulationController;
// Helper class for controlling the simulation via callbacks
// TODO: move me to another file.
class SimulationController : public SimulationObserver
{
public:
SimulationController(Simulation& simulation, Glib::RefPtr<Gnome::Glade::Xml> main_window);
virtual ~SimulationController();
void update(const Simulation& simulation);
private:
void on_simulation_run();
void on_simulation_pause();
void on_simulation_stop();
bool run_simulation_adaptor();
Simulation& _sim;
bool _break_requested;
Gtk::ToolButton* _toolbt_start;
Gtk::ToolButton* _toolbt_pause;
Gtk::ToolButton* _toolbt_stop;
Gtk::MenuItem* _menuit_start;
Gtk::MenuItem* _menuit_pause;
Gtk::MenuItem* _menuit_stop;
};
/** \brief This class initialize and starts the whole GUI
*/
class GuiBuilder
{
public:

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@ -0,0 +1,231 @@
// src/simulation_controller.cc - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "gettext.h"
#include "simulation_controller.hh"
#include "backend/cpu_policy_exception.hh"
#include "backend/malformed_policy_exception.hh"
#include "backend/null_policy_exception.hh"
#include "backend/user_interrupt_exception.hh"
#include "backend/global_preferences.hh"
#include "backend/simulation.hh"
#include <glibmm/markup.h>
#include <glibmm/timer.h>
#include <glibmm/ustring.h>
#include <gtkmm/messagedialog.h>
#include <gtkmm/menutoolbutton.h>
#include <gtkmm/menuitem.h>
#include <cassert>
#include <iostream>
using namespace sgpem;
using Gnome::Glade::Xml;
SimulationController::SimulationController(Simulation& simulation, Glib::RefPtr<Xml> refXml)
: _sim(simulation), _break_requested(false)
{
using namespace Gtk;
_sim.attach(*this);
// Start, pause and stop simulation from the toolbar
// TODO: can we use action groups instead of this?
refXml->get_widget("ToolBar.Play", _toolbt_start);
refXml->get_widget("ToolBar.Pause", _toolbt_pause);
refXml->get_widget("ToolBar.Stop", _toolbt_stop);
refXml->get_widget("MenuItem.Simulation.Play", _menuit_start);
refXml->get_widget("MenuItem.Simulation.Pause", _menuit_pause);
refXml->get_widget("MenuItem.Simulation.Stop", _menuit_stop);
_toolbt_start->signal_clicked().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_run));
_toolbt_pause->signal_clicked().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_pause));
_toolbt_stop->signal_clicked().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_stop));
_menuit_start->signal_activate().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_run));
_menuit_pause->signal_activate().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_pause));
_menuit_stop->signal_activate().connect(sigc::mem_fun(*this, &SimulationController::on_simulation_stop));
}
SimulationController::~SimulationController()
{
_sim.detach(*this);
}
void
SimulationController::on_simulation_run()
{
// Sensitivities
_toolbt_start->set_sensitive(false);
_toolbt_pause->set_sensitive(true);
_toolbt_stop->set_sensitive(true);
_menuit_start->set_sensitive(false);
_menuit_pause->set_sensitive(true);
_menuit_stop->set_sensitive(true);
_break_requested = false;
// Used instead of simply calling "_sim.run()" to
// have exception handling only in one place:
run_simulation_adaptor();
}
void
SimulationController::on_simulation_pause()
{
// Sensitivities
_toolbt_start->set_sensitive(true);
_toolbt_pause->set_sensitive(false);
_toolbt_stop->set_sensitive(true);
_menuit_start->set_sensitive(true);
_menuit_pause->set_sensitive(false);
_menuit_stop->set_sensitive(true);
_break_requested = true;
_sim.pause();
}
void
SimulationController::on_simulation_stop()
{
// Sensitivities
_toolbt_start->set_sensitive(true);
_toolbt_pause->set_sensitive(false);
_toolbt_stop->set_sensitive(false);
_menuit_start->set_sensitive(true);
_menuit_pause->set_sensitive(false);
_menuit_stop->set_sensitive(false);
_break_requested = true;
_sim.stop();
}
void
SimulationController::update(const Simulation& simulation)
{
#ifndef NDEBUG
std::cerr << "SimulationController::update(), simulation state == " << std::hex << simulation.get_state() << std::endl;
#endif
if(_break_requested)
return;
switch(simulation.get_state())
{
case Simulation::state_stopped:
on_simulation_stop();
return;
case Simulation::state_paused:
on_simulation_pause();
return;
case Simulation::state_running:
// Go on with the rest of the method...
break;
}
// We should never enter here, if the code is correct:
// a step by step simulation should always be in paused
// or stopped state after performing a single step
assert(simulation.get_mode() != Simulation::mode_step_by_step);
switch(simulation.get_mode())
{
case Simulation::mode_continuous:
{
int timeout = GlobalPreferences::get_instance().get_speed();
Glib::signal_timeout().connect(sigc::mem_fun(*this, &SimulationController::run_simulation_adaptor), timeout);
}
break;
default:
// Never gets here.
break;
}
}
bool
SimulationController::run_simulation_adaptor()
{
using Gtk::MessageDialog;
using namespace Glib;
if(!_break_requested)
try
{
_sim.run();
}
catch(const UserInterruptException& uie)
{
// Show the user a dialog
MessageDialog diag(_("<b>The selected user CPU policy stopped before returning:</b>\n") + Markup::escape_text(uie.what()),
true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
}
catch(const MalformedPolicyException& mpe)
{
// Show user a dialog
MessageDialog diag(_("<b>The selected user CPU policy was malformed and failed to sort the queue:</b>\n") +
Markup::escape_text(mpe.what()), true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
try
{
// Deactivate the policy
_sim.set_policy(NULL);
}
catch(const CPUPolicyException& cpe)
{
// Fatal error. We should never get here.
std::cerr << _(" [EE] Fatal error. Impossible to deactivate the policy in ") << __FILE__ << ":" << __LINE__
<< std::endl << _(" [EE] ") << cpe.what() << std::endl;
;
abort();
}
}
catch(const NullPolicyException& npe)
{
MessageDialog diag(_("<b>No active policy selected:</b>\n") + Markup::escape_text(npe.what()),
true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
}
catch(const CPUPolicyException& cpe)
{
MessageDialog diag(_("<b>Unexpected error</b>:\n") + Markup::escape_text(cpe.what()),
true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
diag.run();
}
return false;
}

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@ -0,0 +1,70 @@
// src/simulation_controller.hh - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// SGPEMv2 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef SIMULATION_CONTROLLER_HH
#define SIMULATION_CONTROLLER_HH 1
#include "config.h"
#include "backend/simulation_observer.hh"
#include <gtkmm/toolbutton.h>
#include <gtkmm/menuitem.h>
#include <libglademm/xml.h>
namespace sgpem
{
class SimulationController;
/** \brief Helper class for controlling the simulation via callback
*/
class SimulationController : public SimulationObserver
{
public:
SimulationController(Simulation& simulation, Glib::RefPtr<Gnome::Glade::Xml> main_window);
virtual ~SimulationController();
void update(const Simulation& simulation);
private:
void on_simulation_run();
void on_simulation_pause();
void on_simulation_stop();
bool run_simulation_adaptor();
Simulation& _sim;
bool _break_requested;
Gtk::ToolButton* _toolbt_start;
Gtk::ToolButton* _toolbt_pause;
Gtk::ToolButton* _toolbt_stop;
Gtk::MenuItem* _menuit_start;
Gtk::MenuItem* _menuit_pause;
Gtk::MenuItem* _menuit_stop;
};
} //~ namespace sgpem
#endif //~ SIMULATION_CONTROLLER_HH