C++ (Cpp) gtk_ruler_draw_pos示例

示例#1

文件： gtkvruler.c 项目： dimkr/gtk

static gint
gtk_vruler_motion_notify (GtkWidget      *widget,
			  GdkEventMotion *event)
{
  GtkRuler *ruler;
  gint y;

  g_return_val_if_fail (widget != NULL, FALSE);
  g_return_val_if_fail (GTK_IS_VRULER (widget), FALSE);
  g_return_val_if_fail (event != NULL, FALSE);

  ruler = GTK_RULER (widget);

  if (event->is_hint)
    gdk_window_get_pointer (widget->window, NULL, &y, NULL);
  else
    y = event->y;

  ruler->position = ruler->lower + ((ruler->upper - ruler->lower) * y) / widget->allocation.height;

  /*  Make sure the ruler has been allocated already  */
  if (ruler->backing_store != NULL)
    gtk_ruler_draw_pos (ruler);

  return FALSE;
}

示例#2

文件： gtkshruler.c 项目： ChakaZulu/sylpheed_upstream

/* gtk_ruler_set_pos() - does not work yet, need to reimplement 
 * gtk_ruler_draw_pos(). */
void
gtk_shruler_set_pos(GtkSHRuler * ruler, gfloat pos)
{
	GtkRuler * ruler_;
	g_return_if_fail( ruler != NULL );
	
	ruler_ = GTK_RULER(ruler);
	
	if ( pos < ruler_->lower ) 
		pos = ruler_->lower;
	if ( pos > ruler_->upper )
		pos = ruler_->upper;
	
	ruler_->position = pos;	
	
	/*  Make sure the ruler has been allocated already  */
	if ( ruler_->backing_store != NULL )
		gtk_ruler_draw_pos(ruler_);
}

示例#3

文件： gtkhruler.c 项目： zjx632/tinygtk

static gint
gtk_hruler_motion_notify (GtkWidget      *widget,
			  GdkEventMotion *event)
{
  GtkRuler *ruler;
  gint x;

  ruler = GTK_RULER (widget);

  if (event->is_hint)
    gdk_window_get_pointer (widget->window, &x, NULL, NULL);
  else
    x = event->x;

  ruler->position = ruler->lower + ((ruler->upper - ruler->lower) * x) / widget->allocation.width;
  g_object_notify (G_OBJECT (ruler), "position");

  /*  Make sure the ruler has been allocated already  */
  if (ruler->backing_store != NULL)
    gtk_ruler_draw_pos (ruler);

  return FALSE;
}

示例#4

文件： rbgtkruler.c 项目： benolee/ruby-gnome2

static VALUE
ruler_draw_pos(VALUE self)
{
    gtk_ruler_draw_pos(_SELF(self));
    return self;
}