Se corrige un bug.

[z.facultad/75.42/plaqui.git] / tests / GUI / dndwindow.cc

diff --git a/tests/GUI/dndwindow.cc b/tests/GUI/dndwindow.cc
index fea04dcefea2dabab8da87f04bd179f9190fe988..9aaf567dcab7dd10baa381ecfa17a015e417cb8c 100644 (file)
--- a/tests/GUI/dndwindow.cc
+++ b/tests/GUI/dndwindow.cc
@@ -26,16 +26,28 @@ DnDWindow::DnDWindow()
 {
   set_title("Editor");
 
 {
   set_title("Editor");
 

+       ico_canio = Gdk::Pixbuf::create_from_file("canio.png");
+       ico_y     = Gdk::Pixbuf::create_from_file("y.png");
+       ico_codo  = Gdk::Pixbuf::create_from_file("codo.png");
+

   add(m_HBox);
 
   add(m_HBox);
 

-       m_HBox.pack_start(m_VBox);
-       m_HBox.pack_start(m_WorkPlace);
-       m_WorkPlace.set_size_request(300, 300);
+       m_HBox.pack_start(m_VBox, false, false, 0);
+       
+       m_VBox.pack_start(m_Button_Canio);
+       m_VBox.pack_start(m_Button_Y);
+       m_VBox.pack_start(m_Button_Codo);
+
+       m_HBox.pack_start(scroll);
+       scroll.add(m_WorkPlace);
+       scroll.set_size_request(600, 600);
+       m_WorkPlace.set_size_request(600, 600);

 
   //Targets:
 
   //Targets:

-  std::list<Gtk::TargetEntry> listTargets;

   listTargets.push_back( Gtk::TargetEntry("STRING") );
   listTargets.push_back( Gtk::TargetEntry("text/plain") );
   listTargets.push_back( Gtk::TargetEntry("STRING") );
   listTargets.push_back( Gtk::TargetEntry("text/plain") );

+       listTargets.push_back( Gtk::TargetEntry("POINTER") );
+       listTargets.push_back( Gtk::TargetEntry("application/pointer") );

 
   //Drag site:
 
 
   //Drag site:
 


@@ -48,22 +60,17 @@ DnDWindow::DnDWindow()
   m_Button_Canio.signal_drag_data_get().connect( SigC::slot(*this, &DnDWindow::on_canio_drag_data_get));
        m_Button_Y.signal_drag_data_get().connect( SigC::slot(*this, &DnDWindow::on_y_drag_data_get));
        m_Button_Codo.signal_drag_data_get().connect( SigC::slot(*this, &DnDWindow::on_codo_drag_data_get));
   m_Button_Canio.signal_drag_data_get().connect( SigC::slot(*this, &DnDWindow::on_canio_drag_data_get));
        m_Button_Y.signal_drag_data_get().connect( SigC::slot(*this, &DnDWindow::on_y_drag_data_get));
        m_Button_Codo.signal_drag_data_get().connect( SigC::slot(*this, &DnDWindow::on_codo_drag_data_get));

-
-
-  m_VBox.pack_start(m_Button_Canio);
-       m_VBox.pack_start(m_Button_Y);
-       m_VBox.pack_start(m_Button_Codo);
-
+  // Señales para cambiar el icono cuando empieza el drag.
+  m_Button_Canio.signal_drag_begin().connect( SigC::slot(*this, &DnDWindow::on_canio_drag_begin));
+  m_Button_Y.signal_drag_begin().connect( SigC::slot(*this, &DnDWindow::on_y_drag_begin));
+  m_Button_Codo.signal_drag_begin().connect( SigC::slot(*this, &DnDWindow::on_codo_drag_begin));

 
   //Drop site:
 
   //Drop site:

-
-  //Make m_Label_Drop a DnD drop destination:

   m_WorkPlace.drag_dest_set(listTargets);
   m_WorkPlace.drag_dest_set(listTargets);

-
-  //Connect signals:
+  
+       //Connect signals:

   m_WorkPlace.signal_drag_data_received().connect( SigC::slot(*this, &DnDWindow::on_label_drop_drag_data_received) );
 
   m_WorkPlace.signal_drag_data_received().connect( SigC::slot(*this, &DnDWindow::on_label_drop_drag_data_received) );
 

-

   show_all();
 }
 
   show_all();
 }
 


@@ -77,8 +84,25 @@ void DnDWindow::on_item_button_down()
        std::cout << "boton abajo" << std::endl;
 }
 
        std::cout << "boton abajo" << std::endl;
 }
 

+void DnDWindow::on_canio_drag_begin(const Glib::RefPtr<Gdk::DragContext> &context)
+{
+       context->set_icon(ico_canio, 5, 5); //ico_canio->get_width(), ico_canio->get_height());
+}

 
 

-void DnDWindow::on_canio_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&, GtkSelectionData* selection_data, guint, guint)
+void DnDWindow::on_y_drag_begin(const Glib::RefPtr<Gdk::DragContext> &context)
+{
+       context->set_icon(ico_y, 5, 5); //ico_canio->get_width(), ico_canio->get_height());
+}
+
+void DnDWindow::on_codo_drag_begin(const Glib::RefPtr<Gdk::DragContext> &context)
+{
+       context->set_icon(ico_codo, 5, 5); //ico_canio->get_width(), ico_canio->get_height());
+}
+
+
+
+
+void DnDWindow::on_canio_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint, guint)

 {
   //TODO: The gtkmm API needs to change to use a Gtk::SelectionData instead of a GtkSelectionData.
   //That should happen for gtkmm 2.4.
 {
   //TODO: The gtkmm API needs to change to use a Gtk::SelectionData instead of a GtkSelectionData.
   //That should happen for gtkmm 2.4.


@@ -103,20 +127,52 @@ void DnDWindow::on_label_drop_drag_data_received(const Glib::RefPtr<Gdk::DragCon
 {
   //TODO: The gtkmm API needs to change to use a Gtk::SelectionData instead of a GtkSelectionData.
   //That should happen for gtkmm 2.4.
 {
   //TODO: The gtkmm API needs to change to use a Gtk::SelectionData instead of a GtkSelectionData.
   //That should happen for gtkmm 2.4.

-
+       /* Ajusto coordenada x e y para que caigan en un lugar de una cuadricula de
+        * 32x32 */
+       int i,j;
+       // el +1 es para evitar un bug cuando se selecciona muy cerce de la
+       // separacion de 2 cuadritos
+       i = (x+1)/32;
+       j = (y+1)/32;
+
+       // El drag es de un item
+       if (selection_data->format == 10) {
+               m_WorkPlace.move(*drag_get_source_widget(context), i*32, j*32);
+       }
+
+       // El Drag es desde la barra de tareas

   if ((selection_data->length >= 0) && (selection_data->format == 8))
   {
                CItem *a = Gtk::manage( new CItem((const char *)selection_data->data) );
   if ((selection_data->length >= 0) && (selection_data->format == 8))
   {
                CItem *a = Gtk::manage( new CItem((const char *)selection_data->data) );

-               /* Ajusto coordenada x e y para que caigan en un lugar de una cuadricula de
-                * 32x32 */
-               int i,j;
-               i = x/32;
-               j = y/32;

                m_WorkPlace.put(*a, i*32, j*32);
                m_WorkPlace.put(*a, i*32, j*32);

+               // Seteo la lista de tipos de drags 
+               a->drag_source_set(listTargets);
+               // Conecto las señales
+               a->signal_drag_data_get().connect( SigC::slot(*this, &DnDWindow::on_item_drag_data_get));
+
+               // Utilizo el SigC::bind para que el callback on_drag_begin acepte un
+               // parametro extra, en este caso un CItem *. Esto se hace para
+               // que cuando el usuario quiera mover un item, saber que item es
+               // y pedirle su ícono para mostrar cono icono durante la operacion,
+               // Esto va a permitir, que si un widget tiene una imagen rotara o algo
+               // raro se vea el widget tal cual.
+         a->signal_drag_begin().connect(SigC::bind( SigC::slot(*this, &DnDWindow::on_item_drag_begin), a));
+

                a->show();      
                a->show();      

-               //listaItems.push_back(a);
+               listaItems.push_back(a);

   }
 
   context->drag_finish(false, false, time);
 }
 
   }
 
   context->drag_finish(false, false, time);
 }
 

+void DnDWindow::on_item_drag_begin(const Glib::RefPtr<Gdk::DragContext>& context, CItem *item)
+{
+       context->set_icon(item->get_image(), 5, 5);
+}
+
+void DnDWindow::on_item_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context, GtkSelectionData* selection_data, guint info, guint time)
+{
+       // El 10 creo que es el format
+       gtk_selection_data_set (selection_data, selection_data->target, 10, (const guchar*)"codo.png", 8);
+}
+