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sgpemv2/src/gui_builder.cc

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// src/gui_builder.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 "config.h"
#include "gettext.h"
#include "gui_builder.hh"
#include "configure_policy_dialog.hh"
#include "graphical_preferences_editor.hh"
#include "holt_container_window.hh"
#include "holt_widget.hh"
#include "ready_queue_widget.hh"
#include "schedulables_tree_widget.hh"
#include "schedulables_statistics_widget.hh"
#include "simulation_widget.hh"
#include "resources_widget.hh"
#include "jump_to_dialog.hh"
#include <sgpemv2/templates/sequences.tcc>
#include <sgpemv2/cpu_policy_exception.hh>
#include <sgpemv2/null_policy_exception.hh>
#include <sgpemv2/cpu_policies_gatekeeper.hh>
#include <sgpemv2/cpu_policy_manager.hh>
#include <sgpemv2/resource_policies_gatekeeper.hh>
#include <sgpemv2/resource_policy_manager.hh>
#include <sgpemv2/history.hh>
#include <sgpemv2/policy_parameters.hh>
#include <sgpemv2/simulation.hh>
#include <sgpemv2/serializers_gatekeeper.hh>
#include <sgpemv2/serializer.hh>
#include <gdkmm/pixbuf.h>
#include <glibmm/markup.h>
#include <glibmm/ustring.h>
#include <gtkmm/aboutdialog.h>
#include <gtkmm/button.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/radiobuttongroup.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/statusbar.h>
#include <gtkmm/stock.h>
#include <gtkmm/window.h>
#include <cassert>
#include <iostream>
using namespace sgpem;
using Gnome::Glade::Xml;
void
GuiBuilder::on_edit_preferences_activate()
{
new PreferencesEditor(); //FIXME: are we leaking this way? (definitely yes. use
// a refptr member data?)
}
void
GuiBuilder::on_simulation_jump_to_clicked()
{
using Gnome::Glade::Xml;
// JumpTo spinbox
Gtk::SpinButton* jump_to_spin;
_refXml->get_widget("BottomHBox.JumpToSpin", jump_to_spin);
int target_instant = jump_to_spin->get_value_as_int();
assert(target_instant > 0);
Glib::RefPtr<Xml> jump_to_dialog_glade = Xml::create(GLADEDIR "/jump-to-dialog.glade");
JumpToDialog* jump_to_dialog = NULL;
jump_to_dialog_glade->get_widget_derived("JumpToDialog", jump_to_dialog);
jump_to_dialog->set_transient_for(get_initial_window());
jump_to_dialog->set_target_instant(target_instant);
jump_to_dialog->start();
}
void
GuiBuilder::on_view_show_threads_activate()
{
_show_threads = !_show_threads;
_simulation_widget->set_show_threads(_show_threads);
_simulation_widget->resize_redraw();
_holt_container.get_holt_widget().set_show_threads(_show_threads);
_holt_container.get_holt_widget().update(Simulation::get_instance().get_history());
}
void
GuiBuilder::on_view_show_holt_graph_activate()
{
if(_holt_container.is_visible())
{
_holt_container.hide();
}
else
{
_holt_container.show();
}
}
void
GuiBuilder::on_view_show_statistics_activate()
{
if(_statistics_container.get_main_window()->is_visible())
{
_statistics_container.get_main_window()->hide();
}
else
{
_statistics_container.get_main_window()->show();
}
}
void
GuiBuilder::on_file_new_activate()
{
Simulation& sim = Simulation::get_instance();
History& history = sim.get_history();
const Environment& env = history.get_environment_at(0);
if(!(_filename.empty() && env.get_processes().empty() && env.get_resources().empty()))
{
Gtk::MessageDialog want_to_save(get_initial_window(),
_("<b>Want to save?</b>\nYou'll lose your changes if you don't."),
true, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_YES_NO, true);
if(want_to_save.run() == Gtk::RESPONSE_YES)
on_file_save_activate();
}
sim.stop();
history.clear();
_filename = "";
}
void
GuiBuilder::on_file_open_activate()
{
Glib::ustring msg;
try
{
std::vector<Serializer*> serializers =
SerializersGatekeeper::get_instance().get_registered();
// FIXME using the first serializer available, this
// will need to be changed when multiple serializers will
// be made available
Serializer& serializer = *serializers.at(0);
Simulation& sim = Simulation::get_instance();
// open file dialog...
Gtk::FileChooserDialog dialog("Please choose a file", Gtk::FILE_CHOOSER_ACTION_OPEN);
dialog.set_transient_for(get_initial_window());
if(!_filename.empty()) // Please test the following line extensively:
dialog.set_current_folder(Glib::path_get_dirname(_filename));
//Add response buttons the the dialog:
dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
dialog.add_button(Gtk::Stock::OPEN, Gtk::RESPONSE_OK);
//Add filters, so that only certain file types can be selected:
for(std::vector<Serializer*>::const_iterator iter=serializers.begin(); iter!=serializers.end(); iter++)
{
Serializer* ser = *iter;
Gtk::FileFilter filter_sgpem;
filter_sgpem.set_name(ser->get_filename_description());
filter_sgpem.add_pattern(Glib::ustring("*.") + ser->get_filename_extension());
dialog.add_filter(filter_sgpem);
}
Gtk::FileFilter filter_any;
filter_any.set_name("Any files");
filter_any.add_pattern("*");
dialog.add_filter(filter_any);
//Show the dialog and wait for a user response:
int result = dialog.run();
if(result==Gtk::RESPONSE_OK)
{
_filename = dialog.get_filename();
sim.stop(); // It would work anyhow, but it'd look strange
History& history = sim.get_history();
serializer.restore_snapshot(_filename, history);
msg = "File: " + _filename + " loaded.";
} // end - if(result==Gtk::RESPONSE_OK)
}
catch (std::out_of_range e)
{
// FIXME: this should be an error dialog
msg = _("ERROR: No registered serializer available");
}
catch (SerializerError e)
{
// FIXME: this should be an error dialog
msg = _("ERROR: ") + Glib::ustring(e.what());
}
if(!msg.empty())
{
Gtk::Statusbar* sbar = _refXml->get_widget("MainStatusBar", sbar);
sbar->push(msg);
}
}
void
GuiBuilder::on_file_save_activate()
{
if(_filename.empty())
{
on_file_saveas_activate();
return;
}
// else:
Glib::ustring msg;
try
{
std::vector<Serializer*> serializers =
SerializersGatekeeper::get_instance().get_registered();
// FIXME using the first serializer available, this
// will need to be changed when multiple serializers will
// be made available
Serializer& serializer = *serializers.at(0);
History& history = Simulation::get_instance().get_history();
serializer.save_snapshot(_filename, history);
msg = "File: " + _filename + " saved.";
}
catch (std::out_of_range e)
{
// FIXME: this should be an error dialog
msg = _("ERROR: No registered serializer available");
}
catch (SerializerError e)
{
// FIXME: this should be an error dialog
msg = _("ERROR: ") + Glib::ustring(e.what());
}
if(!msg.empty())
{
Gtk::Statusbar* sbar = _refXml->get_widget("MainStatusBar", sbar);
sbar->push(msg);
}
}
void
GuiBuilder::on_file_saveas_activate()
{
Glib::ustring msg;
try
{
std::vector<Serializer*> serializers =
SerializersGatekeeper::get_instance().get_registered();
// FIXME using the first serializer available, this
// will need to be changed when multiple serializers will
// be made available
Serializer& serializer = *serializers.at(0);
History& history = Simulation::get_instance().get_history();
// open file dialog...
Gtk::FileChooserDialog dialog("Please choose a file", Gtk::FILE_CHOOSER_ACTION_SAVE);
dialog.set_transient_for(get_initial_window());
//Add response buttons the the dialog:
dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
dialog.add_button(Gtk::Stock::SAVE, Gtk::RESPONSE_OK);
//Add filters, so that only certain file types can be selected:
Gtk::FileFilter filter_sgpem;
filter_sgpem.set_name(serializer.get_filename_description());
filter_sgpem.add_pattern(Glib::ustring("*.") + serializer.get_filename_extension());
dialog.add_filter(filter_sgpem);
Gtk::FileFilter filter_any;
filter_any.set_name("Any files");
filter_any.add_pattern("*");
dialog.add_filter(filter_any);
//Show the dialog and wait for a user response:
int result = dialog.run();
if(result==Gtk::RESPONSE_OK)
{
_filename = dialog.get_filename();
// Append standard extension if none (or a different one) is provided
std::string ext = std::string(".") + serializer.get_filename_extension();
if(_filename.size() < ext.size() || _filename.substr(_filename.size() - ext.size()) != ext)
_filename += ext;
serializer.save_snapshot(_filename, history);
msg = "File: " + _filename + " saved.";
} // end - if(result==Gtk::RESPONSE_OK)
}
catch (std::out_of_range e)
{
// FIXME: This should be an error dialog:
msg = _("ERROR: No registered serializer available");
}
catch (SerializerError e)
{
// FIXME: This should be an error dialog:
msg = _("ERROR: ") + Glib::ustring(e.what());
}
if(!msg.empty())
{
Gtk::Statusbar* sbar = _refXml->get_widget("MainStatusBar", sbar);
sbar->push(msg);
}
}
void
GuiBuilder::on_configure_cpu_policy()
{
using namespace Gtk;
Simulation& sim = Simulation::get_instance();
CPUPolicy* policy = sim.get_policy();
if(policy == NULL)
{
MessageDialog warn(get_initial_window(),
_("<b>No CPU policy is currently selected.</b>\nPlease choose one before trying to configure it."),
true, MESSAGE_WARNING, BUTTONS_OK, true);
warn.run();
}
PolicyParameters& params = policy->get_parameters();
ConfigurePolicyDialog config_dialog(_("Configuring CPU Policy ") + policy->get_name(),
get_initial_window(), policy->get_description(), params);
if(config_dialog.run() == RESPONSE_OK)
{
sim.stop();
sim.get_history().reset();
}
}
void
GuiBuilder::on_configure_resource_policy()
{
using namespace Gtk;
Simulation& sim = Simulation::get_instance();
ResourcePolicy* policy = sim.get_resource_policy();
if(policy == NULL)
{
MessageDialog warn(get_initial_window(),
_("<b>No CPU policy is currently selected.</b>\nPlease choose one before trying to configure it."),
true, MESSAGE_WARNING, BUTTONS_OK, true);
warn.run();
return;
}
PolicyParameters& params = policy->get_parameters();
ConfigurePolicyDialog config_dialog(_("Configuring CPU Policy ") + policy->get_name(),
get_initial_window(), policy->get_description(), params);
if(config_dialog.run() == RESPONSE_OK)
{
sim.stop();
sim.get_history().reset();
}
}
void
GuiBuilder::populate_with_cpu_policies(Gtk::Menu& menu)
{
using namespace Gtk;
// NOTE: Please note that this code relies on the fact that a given
// policy never "disappears" at runtime. A *GatekeeperObserver should
// be needed to avoid dangling pointers if this behaviour changes.
typedef std::vector<CPUPolicyManager*> Managers;
typedef std::vector<CPUPolicy*> Policies;
RadioButtonGroup group;
CPUPoliciesGatekeeper& pgk = CPUPoliciesGatekeeper::get_instance();
const Managers& managers = pgk.get_registered();
for(Iseq<Managers::const_iterator> m_it = iseq(managers); m_it; ++m_it)
{
const Policies& policies = (*m_it)->get_avail_policies();
for(Iseq<Policies::const_iterator> p_it = iseq(policies); p_it; ++p_it)
{
RadioMenuItem& menuitem = *manage(new RadioMenuItem(group, (*p_it)->get_name()));
menuitem.signal_activate().connect(sigc::bind(sigc::mem_fun(*this, &GuiBuilder::on_selected_cpu_policy), *p_it));
menu.append(menuitem);
menuitem.show();
}
}
// Activate the first policy available if possible
Menu::MenuList& items = menu.items();
if(!items.empty())
menu.activate_item(items.front());
}
void
GuiBuilder::on_selected_cpu_policy(CPUPolicy* pol)
{
using namespace Gtk;
Statusbar* sbar;
_refXml->get_widget("MainStatusBar", sbar);
try
{
Simulation::get_instance().set_policy(pol);
if(pol != NULL) {
sbar->push(_("Selected CPU policy ") + pol->get_name());
return;
}
}
catch(CPUPolicyException& e)
{
Simulation::get_instance().set_policy(NULL);
MessageDialog error(get_initial_window(),
Glib::ustring(_("<b>Impossible to select this CPU Policy.</b>\n")) + e.what(),
true, MESSAGE_ERROR, BUTTONS_OK, true);
error.run();
}
// If we got here, no policy is selected.
sbar->push(_("No CPU policy selected. Please select one."));
}
void
GuiBuilder::populate_with_resource_policies(Gtk::Menu& menu)
{
using namespace Gtk;
// NOTE: Please note that this code relies on the fact that a given
// policy never "disappears" at runtime. A *GatekeeperObserver should
// be needed to avoid dangling pointers if this behaviour changes.
typedef std::vector<ResourcePolicyManager*> Managers;
typedef std::vector<ResourcePolicy*> Policies;
RadioButtonGroup group;
ResourcePoliciesGatekeeper& pgk = ResourcePoliciesGatekeeper::get_instance();
const Managers& managers = pgk.get_registered();
for(Iseq<Managers::const_iterator> m_it = iseq(managers); m_it; ++m_it)
{
const Policies& policies = (*m_it)->get_avail_policies();
for(Iseq<Policies::const_iterator> p_it = iseq(policies); p_it; ++p_it)
{
RadioMenuItem& menuitem = *manage(new RadioMenuItem(group, (*p_it)->get_name()));
menuitem.signal_activate().connect(sigc::bind(sigc::mem_fun(*this, &GuiBuilder::on_selected_resource_policy), *p_it));
menu.append(menuitem);
menuitem.show();
}
}
// Activate the first policy available if possible
Menu::MenuList& items = menu.items();
if(!items.empty())
menu.activate_item(items.front());
}
void
GuiBuilder::on_selected_resource_policy(ResourcePolicy* pol)
{
using namespace Gtk;
Simulation::get_instance().set_resource_policy(pol);
Statusbar* sbar;
_refXml->get_widget("MainStatusBar", sbar);
if(pol == NULL)
sbar->push(_("Current resource policy deselected."));
else
sbar->push(_("Selected resource policy ") + pol->get_name());
}
void
GuiBuilder::on_toggle_simulation_mode()
{
Gtk::CheckMenuItem* continuous_mode;
_refXml->get_widget("MenuItem.Simulation.ContinuousMode", continuous_mode);
if(continuous_mode->get_active() == true)
Simulation::get_instance().set_mode(Simulation::mode_continuous);
else
Simulation::get_instance().set_mode(Simulation::mode_step_by_step);
}
GuiBuilder::GuiBuilder(const std::string& gladefile)
: _refXml(Xml::create(gladefile)), _controller(Simulation::get_instance(), _refXml),
_holt_container(Simulation::get_instance()),
_show_threads(true)
{
using namespace Gtk;
// ---------------- Menu items ------------------
// Note: the Play, Pause and Stop menu items are already managed by sgpem::SimulationController.
// file new dialog
MenuItem* file_new = NULL;
_refXml->get_widget("MenuItem.File.New", file_new);
file_new->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_file_new_activate));
// file open dialog
MenuItem* file_open = NULL;
_refXml->get_widget("MenuItem.File.Open", file_open);
file_open->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_file_open_activate));
// file save dialog
MenuItem* file_save = NULL;
_refXml->get_widget("MenuItem.File.Save", file_save);
file_save->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_file_save_activate));
// file save dialog
MenuItem* file_saveas = NULL;
_refXml->get_widget("MenuItem.File.SaveAs", file_saveas);
file_saveas->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_file_saveas_activate));
MenuItem* file_quit = NULL;
_refXml->get_widget("MenuItem.File.Quit", file_quit);
file_quit->signal_activate().connect(sigc::ptr_fun(&Main::quit));
// preferences dialog
MenuItem* edit_preferences;
_refXml->get_widget("MenuItem.Edit.Preferences", edit_preferences);
edit_preferences->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_edit_preferences_activate));
// enable/disable show threads on widgets
MenuItem* show_threads;
_refXml->get_widget("MenuItem.View.ShowThreads", show_threads);
show_threads->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_view_show_threads_activate));
// show/hide holt graph window
MenuItem* show_holt_graph;
_refXml->get_widget("MenuItem.View.ShowHoltGraph", show_holt_graph);
show_holt_graph->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_view_show_holt_graph_activate));
// show/hide statistics window
MenuItem* show_statistics_graph;
_refXml->get_widget("MenuItem.View.ShowStatistics", show_statistics_graph);
show_statistics_graph->signal_activate().connect(sigc::mem_fun(*this, &GuiBuilder::on_view_show_statistics_activate));
CheckMenuItem* continuous_mode;
_refXml->get_widget("MenuItem.Simulation.ContinuousMode", continuous_mode);
continuous_mode->signal_toggled().connect(sigc::mem_fun(*this, &GuiBuilder::on_toggle_simulation_mode));
// ---------------- Toolbar buttons ------------------
// Note: the Play, Pause and Stop buttons are already managed by sgpem::SimulationController.
// Open file
ToolButton* toolb_open;
_refXml->get_widget("ToolBar.Open", toolb_open);
toolb_open->signal_clicked().connect(sigc::mem_fun(*this, &GuiBuilder::on_file_open_activate));
// Save file
ToolButton* toolb_save;
_refXml->get_widget("ToolBar.Save", toolb_save);
toolb_save->signal_clicked().connect(sigc::mem_fun(*this, &GuiBuilder::on_file_save_activate));
// Configure CPU Policy
MenuToolButton* cpu_policies_tb_menu;
_refXml->get_widget("ToolBar.PolicySelector", cpu_policies_tb_menu);
cpu_policies_tb_menu->signal_clicked().connect(sigc::mem_fun(*this, &GuiBuilder::on_configure_cpu_policy));
cpu_policies_tb_menu->set_menu(*manage(new Menu()));
populate_with_cpu_policies(*cpu_policies_tb_menu->get_menu());
// Configure Resource Policy
MenuToolButton* res_policies_tb_menu;
_refXml->get_widget("ToolBar.ResourceScheduling", res_policies_tb_menu);
res_policies_tb_menu->signal_clicked().connect(sigc::mem_fun(*this, &GuiBuilder::on_configure_resource_policy));
res_policies_tb_menu->set_menu(*manage(new Menu()));
populate_with_resource_policies(*res_policies_tb_menu->get_menu());
// ---------------------------------------------------
// About dialog
MenuItem* help_about;
_refXml->get_widget("MenuItem.Help.About", help_about);
AboutDialog* about_dialog = NULL;
_refXml->get_widget("AboutDialog", about_dialog);
help_about->signal_activate().connect(sigc::mem_fun(*about_dialog, &Window::show));
about_dialog->set_wrap_license(true);
about_dialog->set_logo(Gdk::Pixbuf::create_from_file(GLADEDIR "/logo.png"));
// Insert the schedulables TreeView custom widget
ScrolledWindow* schedulables_sw = NULL;
_refXml->get_widget("SchedulablesScrolledWindow", schedulables_sw);
SchedulablesTreeWidget* scheds_tree = manage(new SchedulablesTreeWidget());
schedulables_sw->add(*scheds_tree);
// we have to remember to manually show custom added widgets:
scheds_tree->show();
// Resources ListView widget
ResourcesWidget* resources_widget = NULL;
_refXml->get_widget_derived("Resources.Tree", resources_widget);
resources_widget->show();
// Main simulation widget
ScrolledWindow* simulation_window = NULL;
_refXml->get_widget("SimulationScrolledWindow", simulation_window);
//SimulationWidget& simulation_widget = *manage(new SimulationWidget(Simulation::get_instance()));
_simulation_widget = manage(new SimulationWidget(Simulation::get_instance()));
simulation_window->add(*_simulation_widget);
_simulation_widget->set_show_threads(_show_threads);
_simulation_widget->show();
// ReadyQueue custom label widget
ReadyQueueWidget& rq_widget = *manage(new ReadyQueueWidget(Simulation::get_instance().get_history()));
HBox* bottomhbox;
_refXml->get_widget("BottomHBox", bottomhbox);
bottomhbox->pack_start(rq_widget);
rq_widget.show();
// JumpTo button
Button* simulation_jump_to = NULL;
_refXml->get_widget("BottomHBox.JumpToButton", simulation_jump_to);
simulation_jump_to->signal_clicked().connect(sigc::mem_fun(*this, &GuiBuilder::on_simulation_jump_to_clicked));
Window& main_window = get_initial_window();
// HoltGraph container window
_holt_container.set_transient_for(main_window);
_holt_container.get_holt_widget().set_show_threads(_show_threads);
_statistics_container.get_main_window()->set_transient_for(main_window);
}
GuiBuilder::~GuiBuilder()
{}
Gtk::Window&
GuiBuilder::get_initial_window() const
{
Gtk::Window* main_window = NULL;
_refXml->get_widget("MainWindow", main_window);
return *main_window;
}
void
GuiBuilder::open_file(const std::string& filename)
{
// FIXME: to be written.
// Debug line (erase me when done):
std::cout << _("Filename to open: ") << filename << std::endl;
}
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