Thank you for replying :)
I modified the loop:
for(int y = 0; y < gData->height; y++)
{
for(int x = 0; x < gData->width; x++)
{
//Initialise the array of cells to ROAD_CELL
*(gData->pmap + y*gData->width + x) = Pfv::ROAD_CELL;
//Initialise the array of firstCall to true
*(gData->pcalls + y*gData->width + x) = true;
//Create the event box and the label
Gtk::EventBox* eb = manage(new Gtk::EventBox());
*(gData->pcells + y*gData->width + x) = eb;
eb->set_size_request(cellSize, cellSize);
//Add the event box to the grid
gData->grid->attach(*eb, x, x + 1, y, y + 1);
//Set the image of the event box to ROAD_IMAGE
eb->modify_bg_pixmap(Gtk::STATE_NORMAL, gData->ROAD_IMAGE);
eb->signal_button_press_event().connect(sigc::bind<int,
int>(sigc::mem_fun(*this,
&newGridAction::on_cell_clicked), x, y));
eb->signal_size_allocate().connect(sigc::bind<Gtk::EventBox*,
int, int>
(sigc::mem_fun
(*this,
&newGridAction::on_grid_image_resized), eb, x, y));
eb->signal_enter_notify_event().connect(sigc::bind<int,
int>(sigc::mem_fun(*this,
&newGridAction::on_mouse_over_cell), x, y));
}
}
Like Juan said, I don't need to call to eb->show_all_children in every
iteration. Furthermore, I avoided the creation of a pixbuf and an image in
every iteration by setting the background of the event box. Each iteration
is now 0,2-0,3 ms less than before, but it is still too slow, and when the
loop finishes, it takes a lot of time to show the table.
I am going to have a look at goocanvas like Murray suggested, but after
browsing a little bit its website, I really don't know what it can provide
me in this situation.
Jordi
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