Constructor/constructor.cpp

   1 //constructor.cpp
   2 #include "constructor.h"
   3
   4 Constructor::Constructor(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& refGlade):Gtk::Window(cobject)
   5 {
   6         id = 0;
   7         set_title("Constructor");
   8
   9
  10         ico_canio = Gdk::Pixbuf::create_from_file("canio_n.png");
  11         ico_y     = Gdk::Pixbuf::create_from_file("y_n.png");
  12         ico_codo  = Gdk::Pixbuf::create_from_file("codo_o.png");
  13         ico_tanque  = Gdk::Pixbuf::create_from_file("tanque_e.png");
  14
  15         refGlade->get_widget("btn_canio", btn_canio);
  16         refGlade->get_widget("btn_codo", btn_codo);
  17         refGlade->get_widget("btn_y", btn_y);
  18         refGlade->get_widget("btn_tanque",btn_tanque);
  19         refGlade->get_widget("main_menu_quit",main_menu_quit);
  20         refGlade->get_widget("edit_menu_del",edit_menu_del);
  21         refGlade->get_widget("chk_btn_logica",chk_btn_logica);
  22
  23         refGlade->get_widget_derived("workplace", workplace);  //fixed
  24
  25
  26
  27         //Targets
  28         listTargets.push_back( Gtk::TargetEntry("STRING") );
  29         listTargets.push_back( Gtk::TargetEntry("text/plain") );
  30         listTargets.push_back( Gtk::TargetEntry("POINTER") );
  31         listTargets.push_back( Gtk::TargetEntry("application/pointer") );
  32
  33         btn_canio->drag_source_set(listTargets);
  34         btn_y->drag_source_set(listTargets);
  35         btn_codo->drag_source_set(listTargets);
  36         btn_tanque->drag_source_set(listTargets);
  37
  38         btn_canio->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_canio_drag_get));
  39         btn_y->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_y_drag_get));
  40         btn_codo->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_codo_drag_get));
  41         btn_tanque->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_tanque_drag_get));
  42         chk_btn_logica->signal_clicked().connect(SigC::slot(*this, &Constructor::on_chk_btn_clicked));
  43
  44         main_menu_quit->signal_activate().connect(SigC::slot(*this, &Constructor::on_main_menu_quit));
  45         edit_menu_del->signal_activate().connect(SigC::slot(*this,&Constructor::on_edit_menu_del));
  46
  47         // Señales para cambiar el icono cuando empieza el drag.
  48         btn_canio->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_canio_drag_begin));
  49         btn_y->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_y_drag_begin));
  50         btn_codo->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_codo_drag_begin));
  51         btn_tanque->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_tanque_drag_begin));
  52
  53
  54         workplace->drag_dest_set(listTargets);
  55         workplace->signal_drag_data_received().connect( SigC::slot(*this, &Constructor::on_item_drop_drag_received) );
  56         workplace->listaItems = &listaItems;
  57         logica = false;
  58 }
  59
  60 Constructor::~Constructor()
  61 {
  62         std::list<CItem *>::iterator i = listaItems.begin();
  63         std::cout << "ok" << std::endl;
  64         while ( i != listaItems.end() ){
  65                 CItem *temp = *i;
  66                 listaItems.erase(i);
  67                 std::cout << "Elimnando ... " << std::endl;
  68                 delete temp;
  69                 i = listaItems.begin();
  70         }
  71 }
  72
  73 void Constructor::on_btn_canio_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  74 {
  75         gtk_selection_data_set (selection_data, selection_data->target, 8, (const guchar*)"item_canio.png", 14);
  76 }
  77
  78 void Constructor::on_btn_y_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  79 {
  80         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"item_y.png",10);
  81 }
  82
  83 void Constructor::on_btn_codo_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  84 {
  85         gtk_selection_data_set(selection_data, selection_data->target, 8 ,(const guchar*)"item_codo.png",13);
  86 }
  87
  88 void Constructor::on_btn_tanque_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  89 {
  90         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"item_tanque.png",15);
  91 }
  92
  93 void Constructor::on_main_menu_quit()
  94 {
  95         delete this;
  96         Gtk::Main::quit();
  97         //hide();
  98 }
  99
 100 void Constructor::on_edit_menu_del()
 101 {
 102         // hay que meter algo aca.
 103 }
 104
 105 void Constructor::on_chk_btn_clicked()
 106 {
 107         logica = !logica;
 108 }
 109
 110 void Constructor::on_canio_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 111 {
 112         context->set_icon(ico_canio, 5, 5);
 113 }
 114
 115 void Constructor::on_y_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 116 {
 117         context->set_icon(ico_y, 5, 5);
 118 }
 119
 120 void Constructor::on_codo_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 121 {
 122         context->set_icon(ico_codo, 5, 5);
 123 }
 124
 125 void Constructor::on_tanque_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 126 {
 127         context->set_icon(ico_tanque, 5, 5);
 128 }
 129
 130 void Constructor::on_item_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context, CItem *item)
 131 {
 132         context->set_icon(item->get_image(), 5, 5);
 133 }
 134
 135 void Constructor::on_item_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 136 {
 137                 gtk_selection_data_set (selection_data, selection_data->target, 10, (const guchar*)"item_codo.png", 13);
 138 }
 139
 140 bool Constructor::can_drop(CItem *item, int _x, int _y)
 141 {
 142         std::list<CItem*>::iterator  i = listaItems.begin();
 143         while( i != listaItems.end() ) {
 144                 CItem *temp = *i;
 145                 if ( temp->get_id() != item->get_id()   ) {
 146                         if (  (temp->is_occupied_area(_x, _y))  ||
 147                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y+item->get_image()->get_height()-1))  ||
 148                                 ( temp->is_occupied_area(_x, _y+item->get_image()->get_height()-1)) ||
 149                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y) ) )
 150                                 return false;
 151                         else i++;
 152                 }
 153                 else i++;
 154         }
 155         return true;
 156 }
 157
 158 void Constructor::on_item_drop_drag_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, GtkSelectionData* selection_data, guint info, guint time)
 159 {
 160         if ( !logica ) {
 161                 /* Ajusto coordenada x e y para que caigan en un lugar de una cuadricula de 32x32 */
 162                 int i,j;
 163                 // el +1 es para evitar un bug cuando se selecciona muy cerce de la
 164                 // separacion de 2 cuadritos
 165                 i = (x+1)/32;
 166                 j = (y+1)/32;
 167                 // El drag es de un item
 168                 if (selection_data->format == 10) {
 169                         if (can_drop(((CItem*)drag_get_source_widget(context)),i*32, j*32)){
 170                                 ((CItem*)drag_get_source_widget(context))->set_position(i*32, j*32);
 171                                 workplace->move(*drag_get_source_widget(context), i*32, j*32);
 172                         }
 173                 }
 174
 175                 // El Drag es desde la barra de tareas
 176                 if ((selection_data->length >= 0) && (selection_data->format == 8))     {
 177                         CItem *a;
 178                         if (strcmp((const char *)selection_data->data, "item_codo.png")==0)
 179                                 a = new Splitter();//Gtk::manage( new Splitter() );
 180                                         else    if (strcmp((const char *)selection_data->data, "item_canio.png")==0)
 181                                                 a = new Conduct();//Gtk::manage( new Conduct() );
 182                                                         else if (strcmp((const char *)selection_data->data, "item_y.png")==0)
 183                                                                 a = new Union();//Gtk::manage( new Union() );
 184                                                                         else if (strcmp((const char *)selection_data->data, "item_tanque.png")==0)
 185                                                                                 a = new Cistern();//Gtk::manage( new Cistern() );
 186                                                                                         else
 187                                                                                                 a = new CItem();//Gtk::manage( new CItem((const char *)selection_data->data) );
 188                         //Seteo el ID del item
 189                         a->set_id(++id);
 190                         if ( can_drop(a, i*32, j*32) ) {
 191                                 workplace->put(*a, i*32, j*32);
 192                                 //Apunto al workplace
 193                                 a->workplace= workplace;
 194                                 //Seteo la posicion del item
 195                                 a->set_position(i*32,j*32);
 196                                 // Seteo la lista de tipos de drags
 197                                 a->drag_source_set(listTargets);
 198                                 // Conecto las señales
 199                                 a->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_item_drag_data_get));
 200
 201                                 // Utilizo el SigC::bind para que el callback on_drag_begin acepte un
 202                                 // parametro extra, en este caso un CItem *. Esto se hace para
 203                                 // que cuando el usuario quiera mover un item, saber que item es
 204                                 // y pedirle su ícono para mostrar cono icono durante la operacion,
 205                                 // Esto va a permitir, que si un widget tiene una imagen rotara o algo
 206                                 // raro se vea el widget tal cual.
 207                                 a->signal_drag_begin().connect(SigC::bind( SigC::slot(*this, &Constructor::on_item_drag_begin), a));
 208                                 a->show();
 209                                 listaItems.push_back(a);
 210                         } else {
 211                                         id--;
 212                                         delete a;
 213                                 }
 214                 }
 215                 context->drag_finish(false, false, time);
 216         }
 217 }