Пример #1
0
static void
gtk_switch_pan_gesture_drag_end (GtkGestureDrag *gesture,
                                 gdouble         x,
                                 gdouble         y,
                                 GtkSwitch      *sw)
{
  GtkSwitchPrivate *priv = sw->priv;
  GdkEventSequence *sequence;
  GtkAllocation allocation;
  gboolean active;

  sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));

  if (gtk_gesture_get_sequence_state (GTK_GESTURE (gesture), sequence) == GTK_EVENT_SEQUENCE_CLAIMED)
    {
      gtk_widget_get_allocation (GTK_WIDGET (sw), &allocation);

      /* if half the handle passed the middle of the switch, then we
       * consider it to be on
       */
      active = priv->handle_pos >= 0.5;
    }
  else if (!gtk_gesture_handles_sequence (priv->multipress_gesture, sequence))
    active = priv->is_active;
  else
    return;

  priv->handle_pos = active ? 1.0 : 0.0;
  gtk_switch_set_active (sw, active);
  gtk_widget_queue_allocate (GTK_WIDGET (sw));
}
Пример #2
0
static gboolean
gtk_switch_on_frame_clock_update (GtkWidget     *widget,
                                  GdkFrameClock *clock,
                                  gpointer       user_data)
{
  GtkSwitch *sw = GTK_SWITCH (widget);
  GtkSwitchPrivate *priv = sw->priv;

  gtk_progress_tracker_advance_frame (&priv->tracker,
                                      gdk_frame_clock_get_frame_time (clock));

  if (gtk_progress_tracker_get_state (&priv->tracker) != GTK_PROGRESS_STATE_AFTER)
    {
      if (priv->is_active)
        priv->handle_pos = 1.0 - gtk_progress_tracker_get_ease_out_cubic (&priv->tracker, FALSE);
      else
        priv->handle_pos = gtk_progress_tracker_get_ease_out_cubic (&priv->tracker, FALSE);
    }
  else
    {
      gtk_switch_set_active (sw, !priv->is_active);
    }

  gtk_widget_queue_allocate (GTK_WIDGET (sw));

  return G_SOURCE_CONTINUE;
}
Пример #3
0
static void
gtk_switch_pan_gesture_pan (GtkGesturePan   *gesture,
                            GtkPanDirection  direction,
                            gdouble          offset,
                            GtkSwitch       *sw)
{
  GtkWidget *widget = GTK_WIDGET (sw);
  GtkSwitchPrivate *priv = sw->priv;
  gint width;

  if (direction == GTK_PAN_DIRECTION_LEFT)
    offset = -offset;

  gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);

  width = gtk_widget_get_allocated_width (widget);

  if (priv->is_active)
    offset += width / 2;
  
  offset /= width / 2;
  /* constrain the handle within the trough width */
  priv->handle_pos = CLAMP (offset, 0, 1.0);

  /* we need to redraw the handle */
  gtk_widget_queue_allocate (widget);
}
Пример #4
0
static int
eel_wrap_table_draw (GtkWidget *widget,
                     cairo_t *cr)
{
    EelWrapTable *wrap_table;
    GList *iterator;

    g_assert (EEL_IS_WRAP_TABLE (widget));
    g_assert (gtk_widget_get_realized (widget));

    wrap_table = EEL_WRAP_TABLE (widget);

    for (iterator = wrap_table->details->children; iterator; iterator = iterator->next)
    {
        g_assert (GTK_IS_WIDGET (iterator->data));
        gtk_container_propagate_draw (GTK_CONTAINER (widget),
                                      GTK_WIDGET (iterator->data),
                                      cr);
    }

    /*Redraw the table once and only once to ensure it is displayed */
    if (wrap_table->details->drawn == FALSE){
        gtk_widget_queue_allocate (GTK_WIDGET(widget));
        wrap_table->details->drawn = TRUE;
        }
    return FALSE;
}
Пример #5
0
/**
 * gtk_switch_set_active:
 * @sw: a #GtkSwitch
 * @is_active: %TRUE if @sw should be active, and %FALSE otherwise
 *
 * Changes the state of @sw to the desired one.
 *
 * Since: 3.0
 */
void
gtk_switch_set_active (GtkSwitch *sw,
                       gboolean   is_active)
{
  GtkSwitchPrivate *priv;

  g_return_if_fail (GTK_IS_SWITCH (sw));

  gtk_switch_end_toggle_animation (sw);

  is_active = !!is_active;

  priv = sw->priv;

  if (priv->is_active != is_active)
    {
      AtkObject *accessible;
      gboolean handled;

      priv->is_active = is_active;

      if (priv->is_active)
        priv->handle_pos = 1.0;
      else
        priv->handle_pos = 0.0;

      g_signal_emit (sw, signals[STATE_SET], 0, is_active, &handled);

      g_object_notify_by_pspec (G_OBJECT (sw), switch_props[PROP_ACTIVE]);

      accessible = gtk_widget_get_accessible (GTK_WIDGET (sw));
      atk_object_notify_state_change (accessible, ATK_STATE_CHECKED, priv->is_active);

      gtk_widget_queue_allocate (GTK_WIDGET (sw));
    }
}