Exemplos de get_mapview_scroll_step em C++ (Cpp)

Exemplo n.º 1

Arquivo: mapview.c Projeto: longturn/freeciv-S2_5

/**************************************************************************
...
**************************************************************************/
void scrollbar_scroll_callback(Widget w, XtPointer client_data,
			     XtPointer position_val)
{
  int position = XTPOINTER_TO_INT(position_val);
  int scroll_x, scroll_y, xstep, ystep;

  get_mapview_scroll_pos(&scroll_x, &scroll_y);
  get_mapview_scroll_step(&xstep, &ystep);

  if (!can_client_change_view()) {
    return;
  }

  if(w==map_horizontal_scrollbar) {
    if (position > 0) {
      scroll_x += xstep;
    } else {
      scroll_x -= xstep;
    }
  }
  else {
    if (position > 0) {
      scroll_y += ystep;
    } else {
      scroll_y -= ystep;
    }
  }

  set_mapview_scroll_pos(scroll_x, scroll_y);
  update_map_canvas_scrollbars();
}

Exemplo n.º 2

Arquivo: mapview.c Projeto: valisc/freeciv

/**************************************************************************
  Refresh map canvas scrollbar as canvas size changes
**************************************************************************/
void update_map_canvas_scrollbars_size(void)
{
  int xmin, ymin, xmax, ymax, xsize, ysize, xstep, ystep;

  get_mapview_scroll_window(&xmin, &ymin, &xmax, &ymax, &xsize, &ysize);
  get_mapview_scroll_step(&xstep, &ystep);

  map_hadj = gtk_adjustment_new(-1, xmin, xmax, xstep, xsize, xsize);
  map_vadj = gtk_adjustment_new(-1, ymin, ymax, ystep, ysize, ysize);

  gtk_range_set_adjustment(GTK_RANGE(map_horizontal_scrollbar), map_hadj);
  gtk_range_set_adjustment(GTK_RANGE(map_vertical_scrollbar), map_vadj);

  g_signal_connect(map_hadj, "value_changed",
	G_CALLBACK(scrollbar_jump_callback),
	GINT_TO_POINTER(TRUE));
  g_signal_connect(map_vadj, "value_changed",
	G_CALLBACK(scrollbar_jump_callback),
	GINT_TO_POINTER(FALSE));
}