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("item_canio.png");
  11         ico_y     = Gdk::Pixbuf::create_from_file("item_y.png");
  12         ico_codo  = Gdk::Pixbuf::create_from_file("item_codo.png");
  13         ico_tanque  = Gdk::Pixbuf::create_from_file("item_tanque.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         Gtk::Main::quit();
  96         //hide();
  97 }
  98
  99 void Constructor::on_edit_menu_del()
 100 {
 101         // hay que meter algo aca.
 102 }
 103
 104 void Constructor::on_chk_btn_clicked()
 105 {
 106         logica = !logica;
 107 }
 108
 109 void Constructor::on_canio_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 110 {
 111         context->set_icon(ico_canio, 5, 5);
 112 }
 113
 114 void Constructor::on_y_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 115 {
 116         context->set_icon(ico_y, 5, 5);
 117 }
 118
 119 void Constructor::on_codo_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 120 {
 121         context->set_icon(ico_codo, 5, 5);
 122 }
 123
 124 void Constructor::on_tanque_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 125 {
 126         context->set_icon(ico_tanque, 5, 5);
 127 }
 128
 129 void Constructor::on_item_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context, CItem *item)
 130 {
 131         context->set_icon(item->get_image(), 5, 5);
 132 }
 133
 134 void Constructor::on_item_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 135 {
 136                 gtk_selection_data_set (selection_data, selection_data->target, 10, (const guchar*)"item_codo.png", 13);
 137 }
 138
 139 bool Constructor::can_drop(CItem *item, int _x, int _y)
 140 {
 141         std::list<CItem*>::iterator  i = listaItems.begin();
 142         while( i != listaItems.end() ) {
 143                 CItem *temp = *i;
 144                 if ( temp->get_id() != item->get_id()   ) {
 145                         if (  (temp->is_occupied_area(_x, _y))  ||
 146                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y+item->get_image()->get_height()-1))  ||
 147                                 ( temp->is_occupied_area(_x, _y+item->get_image()->get_height()-1)) ||
 148                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y) ) )
 149                                 return false;
 150                         else i++;
 151                 }
 152                 else i++;
 153         }
 154         return true;
 155 }
 156
 157 void Constructor::on_item_drop_drag_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, GtkSelectionData* selection_data, guint info, guint time)
 158 {
 159         if ( !logica ) {
 160                 /* Ajusto coordenada x e y para que caigan en un lugar de una cuadricula de 32x32 */
 161                 int i,j;
 162                 // el +1 es para evitar un bug cuando se selecciona muy cerce de la
 163                 // separacion de 2 cuadritos
 164                 i = (x+1)/32;
 165                 j = (y+1)/32;
 166                 // El drag es de un item
 167                 if (selection_data->format == 10) {
 168                         if (can_drop(((CItem*)drag_get_source_widget(context)),i*32, j*32)){
 169                                 ((CItem*)drag_get_source_widget(context))->set_position(i*32, j*32);
 170                                 workplace->move(*drag_get_source_widget(context), i*32, j*32);
 171                         }
 172                 }
 173
 174                 // El Drag es desde la barra de tareas
 175                 if ((selection_data->length >= 0) && (selection_data->format == 8))     {
 176                         CItem *a;
 177                         if (strcmp((const char *)selection_data->data, "item_codo.png")==0)
 178                                 a = new Splitter();//Gtk::manage( new Splitter() );
 179                                         else    if (strcmp((const char *)selection_data->data, "item_canio.png")==0)
 180                                                 a = new Conduct();//Gtk::manage( new Conduct() );
 181                                                         else if (strcmp((const char *)selection_data->data, "item_y.png")==0)
 182                                                                 a = new Union();//Gtk::manage( new Union() );
 183                                                                         else if (strcmp((const char *)selection_data->data, "item_tanque.png")==0)
 184                                                                                 a = new Cistern();//Gtk::manage( new Cistern() );
 185                                                                                         else
 186                                                                                                 a = new CItem();//Gtk::manage( new CItem((const char *)selection_data->data) );
 187                         //Seteo el ID del item
 188                         a->set_id(++id);
 189                         if ( can_drop(a, i*32, j*32) ) {
 190                                 workplace->put(*a, i*32, j*32);
 191                                 //Apunto al workplace
 192                                 a->workplace= workplace;
 193                                 //Seteo la posicion del item
 194                                 a->set_position(i*32,j*32);
 195                                 // Seteo la lista de tipos de drags
 196                                 a->drag_source_set(listTargets);
 197                                 // Conecto las señales
 198                                 a->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_item_drag_data_get));
 199
 200                                 // Utilizo el SigC::bind para que el callback on_drag_begin acepte un
 201                                 // parametro extra, en este caso un CItem *. Esto se hace para
 202                                 // que cuando el usuario quiera mover un item, saber que item es
 203                                 // y pedirle su ícono para mostrar cono icono durante la operacion,
 204                                 // Esto va a permitir, que si un widget tiene una imagen rotara o algo
 205                                 // raro se vea el widget tal cual.
 206                                 a->signal_drag_begin().connect(SigC::bind( SigC::slot(*this, &Constructor::on_item_drag_begin), a));
 207                                 a->show();
 208                                 listaItems.push_back(a);
 209                         } else {
 210                                         id--;
 211                                         delete a;
 212                                 }
 213                 }
 214                 context->drag_finish(false, false, time);
 215         }
 216 }