Subversion Repositories programming

/*******************************************************************************

 * elevator_window.cc

 *

 * Implementation for the Elevator_Window class.

 *

 * Copyright 2006, Ira W. Snyder (devel@irasnyder.com)

 ******************************************************************************/

#include "elevator_window.h"

Elevator_Window::Elevator_Window (int numFloors, int numElevators)

    : numFloors (numFloors),

      numElevators (numElevators),

      m_table (numFloors+1, numElevators+3, true)

{

    int i, j;

    std::ostringstream strstrm;

    Gtk::ToggleButton *pToggleButton;

    Gtk::Label *pLabel;

    Gtk::Image *pImage;

    Button_Data bData;

    // Set up all of the buttons

    upbuttons.reserve (numFloors-1);

    downbuttons.reserve (numFloors-1);

    for (i=0; i<numFloors-1; i++)

    {

        // Create an "up" button

        strstrm.str ("");

        strstrm << "Up";

        pToggleButton = new Gtk::ToggleButton (strstrm.str());

        bData.str = strstrm.str();

        bData.button_num = i;

        bData.direction = MOVE_UP;

        bData.theButton = pToggleButton;

        pToggleButton->signal_clicked ().connect (

                sigc::bind<Button_Data> (sigc::mem_fun (*this, &Elevator_Window::on_toggle_button_pressed), bData));

        upbuttons.push_back (pToggleButton);

        // Put it in the table

        m_table.attach (*pToggleButton, 1, 2, numFloors-(i+1), numFloors-i);

        // Create a "down" button

        strstrm.str ("");

        strstrm << "Down";

        pToggleButton = new Gtk::ToggleButton (strstrm.str());

        bData.str = strstrm.str();

        bData.button_num = i;

        bData.direction = MOVE_DOWN;

        bData.theButton = pToggleButton;

        pToggleButton->signal_clicked ().connect (

                sigc::bind<Button_Data> (sigc::mem_fun (*this, &Elevator_Window::on_toggle_button_pressed), bData));

        downbuttons.push_back (pToggleButton);

        // Put it in the table

        m_table.attach (*pToggleButton, 2, 3, numFloors-(i+2), numFloors-(i+1));

    }

    // Labels

    for (i=0; i<numFloors; i++)

    {

        strstrm.str ("");

        strstrm << "Floor " << i;

        pLabel = new Gtk::Label (strstrm.str ());

        m_table.attach (*pLabel, 0, 1, numFloors-(i+1), numFloors-i);

    }

    images.reserve (numFloors*numElevators);

    // Images

    for (i=0; i<numFloors; i++)

    {

        for (j=3; j<numElevators+3; j++)

        {

            pImage = new Gtk::Image ("eclose.png");

            images.push_back (pImage);

            m_table.attach (*pImage, j, j+1, i, i+1);

        }

    }

    // Bottom Row of Labels

    pLabel = new Gtk::Label ("Position:");

    m_table.attach (*pLabel, 2, 3, numFloors, numFloors+1);

    labels.reserve (numElevators);

    for (i=3; i<numElevators+3; i++)

    {

        pLabel = new Gtk::Label ("0");

        labels.push_back (pLabel);

        m_table.attach (*pLabel, i, i+1, numFloors, numFloors+1);

    }

    set_title ("GTK Elevator Simulator");

    // Set the border width of the window

    set_border_width (10);

    m_table.set_row_spacings (10);

    m_table.set_col_spacings (10);

    add (m_table);

    show_all_children ();

}

Elevator_Window::~Elevator_Window ()

{

}

void Elevator_Window::on_toggle_button_pressed (Button_Data data)

{

    std::string s;

    bool active = false;

    if (data.direction == MOVE_UP)

    {

        s = "MOVE_UP";

        active = data.theButton->get_active ();

        if (active)

            controller->request_elevator (data.button_num, MOVE_UP);

    }

    else if (data.direction == MOVE_DOWN)

    {

        s = "MOVE_DOWN";

        active = data.theButton->get_active ();

        if (active)

            controller->request_elevator (data.button_num+1, MOVE_DOWN);

    }

    else

        s = "NOT VALID";

}

void Elevator_Window::open_elevator_at (int row, int col)

{

    assert (row >= 0);

    assert (row < numFloors);

    assert (col >= 0);

    assert (col < numElevators);

    images.at (row*numElevators+col)->set ("eopen2.png");

}

void Elevator_Window::close_elevator_at (int row, int col)

{

    assert (row >= 0);

    assert (row < numFloors);

    assert (col >= 0);

    assert (col < numElevators);

    images.at (row*numElevators+col)->clear ();

    images.at (row*numElevators+col)->set ("eclose.png");

}

void Elevator_Window::unset_up_button (int button_num)

{

    assert (button_num >= 0);

    assert (button_num < numFloors);

    upbuttons.at (button_num)->set_active (false);

}

void Elevator_Window::unset_down_button (int button_num)

{

    assert (button_num >= 0);

    assert (button_num < numFloors);

    downbuttons.at (button_num)->set_active (false);

}

void Elevator_Window::set_label (int label_num, std::string new_text)

{

    assert (label_num >= 0);

    assert (label_num < numElevators);

    labels.at (label_num)->set_text (new_text);

}

void Elevator_Window::set_controller (Controller *controller)

{

    this->controller = controller;

}

void Elevator_Window::get_floors_from_user (int elevator_num)

{

    int res;

    Gtk::Dialog d ("Floor Dialog", true, true);

    Gtk::Entry entry;

    Gtk::Label label1 ("Enter floors to stop at (space seperated): ");

    Gtk::Label label2 ("Enter -1 for none");

    Gtk::Box *pBox = d.get_vbox();

    pBox->set_spacing (10);

    pBox->pack_start (label1);

    pBox->pack_start (label2);

    pBox->pack_start (entry);

    label1.show ();

    label2.show ();

    entry.show ();

    d.add_button ("gtk-ok", 7);

    // Run the Dialog

    res = d.run ();

    // Parse the entry

    std::string s = entry.get_text();

    std::vector<std::string> SplitVec;

    boost::split (SplitVec, s, boost::is_any_of(" "));

    int i, val;

    for (i=0; i<SplitVec.size(); i++)

    {

        val = atoi (SplitVec[i].c_str());

        // Ignore values that are outside of range

        if (val >= 0 && val < numFloors)

            controller->push_button_in_elevator (elevator_num, val);

    }

}