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("main_menu_save",main_menu_save);
  21         refGlade->get_widget("edit_menu_del",edit_menu_del);
  22         refGlade->get_widget("chk_btn_logica",chk_btn_logica);
  23         refGlade->get_widget("file_selection",file_selection);
  24         refGlade->get_widget("combo_entry",combo_entry);
  25
  26         refGlade->get_widget_derived("workplace", workplace);  //fixed
  27
  28         //Targets
  29         listTargets.push_back( Gtk::TargetEntry("STRING") );
  30         listTargets.push_back( Gtk::TargetEntry("text/plain") );
  31         listTargets.push_back( Gtk::TargetEntry("POINTER") );
  32         listTargets.push_back( Gtk::TargetEntry("application/pointer") );
  33
  34         btn_canio->drag_source_set(listTargets);
  35         btn_y->drag_source_set(listTargets);
  36         btn_codo->drag_source_set(listTargets);
  37         btn_tanque->drag_source_set(listTargets);
  38
  39         btn_canio->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_canio_drag_get));
  40         btn_y->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_y_drag_get));
  41         btn_codo->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_codo_drag_get));
  42         btn_tanque->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_btn_tanque_drag_get));
  43         chk_btn_logica->signal_clicked().connect(SigC::slot(*this, &Constructor::on_chk_btn_clicked));
  44
  45         main_menu_quit->signal_activate().connect(SigC::slot(*this, &Constructor::on_main_menu_quit));
  46         main_menu_save->signal_activate().connect(SigC::slot(*this, &Constructor::on_main_menu_save));
  47         edit_menu_del->signal_activate().connect(SigC::slot(*this,&Constructor::on_edit_menu_del));
  48
  49         btn_file_cancel = file_selection->get_cancel_button();
  50         btn_file_ok = file_selection->get_ok_button();
  51         btn_file_cancel->signal_clicked().connect(SigC::slot(*this,&Constructor::on_btn_file_cancel_clicked));
  52         btn_file_ok->signal_clicked().connect(SigC::slot(*this,&Constructor::on_btn_file_ok_clicked));
  53
  54         // Señales para cambiar el icono cuando empieza el drag.
  55         btn_canio->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_canio_drag_begin));
  56         btn_y->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_y_drag_begin));
  57         btn_codo->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_codo_drag_begin));
  58         btn_tanque->signal_drag_begin().connect( SigC::slot(*this, &Constructor::on_tanque_drag_begin));
  59
  60         workplace->drag_dest_set(listTargets);
  61         workplace->signal_drag_data_received().connect( SigC::slot(*this, &Constructor::on_item_drop_drag_received) );
  62         workplace->listaItems = &listaItems;
  63         logica = false;
  64 }
  65
  66 Constructor::~Constructor()
  67 {
  68         std::list<CItem *>::iterator i = listaItems.begin();
  69         std::cout << "ok" << std::endl;
  70         while ( i != listaItems.end() ){
  71                 CItem *temp = *i;
  72                 listaItems.erase(i);
  73                 std::cout << "Elimnando ... " << std::endl;
  74                 delete temp;
  75                 i = listaItems.begin();
  76         }
  77 }
  78
  79 void Constructor::on_btn_canio_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  80 {
  81         gtk_selection_data_set (selection_data, selection_data->target, 8, (const guchar*)"item_canio.png", 14);
  82 }
  83
  84 void Constructor::on_btn_y_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  85 {
  86         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"item_y.png",10);
  87 }
  88
  89 void Constructor::on_btn_codo_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  90 {
  91         gtk_selection_data_set(selection_data, selection_data->target, 8 ,(const guchar*)"item_codo.png",13);
  92 }
  93
  94 void Constructor::on_btn_tanque_drag_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
  95 {
  96         gtk_selection_data_set(selection_data, selection_data->target, 8,(const guchar*)"item_tanque.png",15);
  97 }
  98
  99 void Constructor::on_main_menu_quit()
 100 {
 101         delete this;
 102         Gtk::Main::quit();
 103         //hide();
 104 }
 105
 106 void Constructor::on_main_menu_save()
 107 {
 108         file_selection->show();
 109 }
 110
 111 void Constructor::on_edit_menu_del()
 112 {
 113         // hay que meter algo aca.
 114 }
 115
 116 void Constructor::on_chk_btn_clicked()
 117 {
 118         logica = !logica;
 119 }
 120
 121 void Constructor::on_btn_file_ok_clicked()
 122 {
 123         std::list<CItem *>::iterator i = listaItems.begin();
 124         std::string file_name = file_selection->get_filename();
 125         if ( (archivo = fopen( file_name.c_str(), "w+")) != NULL ){
 126                 fprintf (archivo,"<planta>\n");
 127                 while ( i != listaItems.end() ){
 128                         CItem *temp = *i;
 129                         temp->save(archivo);
 130                         i++;
 131                 }
 132                 fprintf(archivo,"</planta>\n");
 133         } else
 134                 std::cout<<"NO SE ABRIO EL ARCHIVO"<<std::endl;
 135         fclose(archivo);
 136         file_selection->hide();
 137 }
 138
 139 void Constructor::on_btn_file_cancel_clicked()
 140 {
 141         file_selection->hide();
 142 }
 143
 144 void Constructor::on_canio_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 145 {
 146         context->set_icon(ico_canio, 5, 5);
 147 }
 148
 149 void Constructor::on_y_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 150 {
 151         context->set_icon(ico_y, 5, 5);
 152 }
 153
 154 void Constructor::on_codo_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 155 {
 156         context->set_icon(ico_codo, 5, 5);
 157 }
 158
 159 void Constructor::on_tanque_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context)
 160 {
 161         context->set_icon(ico_tanque, 5, 5);
 162 }
 163
 164 void Constructor::on_item_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context, CItem *item)
 165 {
 166         context->set_icon(item->get_image(), 5, 5);
 167 }
 168
 169 void Constructor::on_item_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
 170 {
 171                 gtk_selection_data_set (selection_data, selection_data->target, 10, (const guchar*)"item_codo.png", 13);
 172 }
 173
 174 bool Constructor::can_drop(CItem *item, int _x, int _y)
 175 {
 176         std::list<CItem*>::iterator  i = listaItems.begin();
 177         while( i != listaItems.end() ) {
 178                 CItem *temp = *i;
 179                 if ( temp->get_id() != item->get_id()   ) {
 180                         if (  (temp->is_occupied_area(_x, _y))  ||
 181                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y+item->get_image()->get_height()-1))  ||
 182                                 ( temp->is_occupied_area(_x, _y+item->get_image()->get_height()-1)) ||
 183                                 ( temp->is_occupied_area(_x+item->get_image()->get_width()-1, _y) ) )
 184                                 return false;
 185                         else i++;
 186                 }
 187                 else i++;
 188         }
 189         return true;
 190 }
 191
 192 void Constructor::on_item_drop_drag_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, GtkSelectionData* selection_data, guint info, guint time)
 193 {
 194         if ( !logica ) {
 195                 /* Ajusto coordenada x e y para que caigan en un lugar de una cuadricula de 32x32 */
 196                 int i,j;
 197                 // el +1 es para evitar un bug cuando se selecciona muy cerce de la
 198                 // separacion de 2 cuadritos
 199                 i = (x+1)/32;
 200                 j = (y+1)/32;
 201                 // El drag es de un item
 202                 if (selection_data->format == 10) {
 203                         if (can_drop(((CItem*)drag_get_source_widget(context)),i*32, j*32)){
 204                                 ((CItem*)drag_get_source_widget(context))->set_position(i*32, j*32);
 205                                 workplace->move(*drag_get_source_widget(context), i*32, j*32);
 206                         }
 207                 }
 208
 209                 // El Drag es desde la barra de tareas
 210                 if ((selection_data->length >= 0) && (selection_data->format == 8))     {
 211                         CItem *a;
 212                         if (strcmp((const char *)selection_data->data, "item_codo.png")==0)
 213                                 a = new Splitter();
 214                                         else    if (strcmp((const char *)selection_data->data, "item_canio.png")==0)
 215                                                 a = new Conduct();
 216                                                         else if (strcmp((const char *)selection_data->data, "item_y.png")==0)
 217                                                                 a = new Union();
 218                                                                         else if (strcmp((const char *)selection_data->data, "item_tanque.png")==0)
 219                                                                                 a = new Cistern();
 220
 221                         //Seteo el ID del item
 222                         Glib::ustring name("item");
 223                         // FIXME
 224                         char char_id[10];
 225                         sprintf(char_id," %d",id);
 226                         a->set_id(++id);
 227                         a->set_name( name+char_id );
 228                         if ( can_drop(a, i*32, j*32) ) {
 229                                 workplace->put(*a, i*32, j*32);
 230                                 //Apunto al workplace
 231                                 a->workplace= workplace;
 232                                 //Apunto a la lista.
 233                                 a->combo_entry = combo_entry;
 234                                 //Seteo la posicion del item
 235                                 a->set_position(i*32,j*32);
 236                                 // Seteo la lista de tipos de drags
 237                                 a->drag_source_set(listTargets);
 238                                 // Conecto las señales
 239                                 a->signal_drag_data_get().connect( SigC::slot(*this, &Constructor::on_item_drag_data_get));
 240
 241                                 // Utilizo el SigC::bind para que el callback on_drag_begin acepte un
 242                                 // parametro extra, en este caso un CItem *. Esto se hace para
 243                                 // que cuando el usuario quiera mover un item, saber que item es
 244                                 // y pedirle su ícono para mostrar cono icono durante la operacion,
 245                                 // Esto va a permitir, que si un widget tiene una imagen rotara o algo
 246                                 // raro se vea el widget tal cual.
 247                                 a->signal_drag_begin().connect(SigC::bind( SigC::slot(*this, &Constructor::on_item_drag_begin), a));
 248                                 a->show();
 249                                 listaItems.push_back(a);
 250                         } else {
 251                                         id--;
 252                                         delete a;
 253                                 }
 254                 }
 255                 context->drag_finish(false, false, time);
 256         }
 257 }