gtktoolbar.c

gtk是linux一款强大的夸平台的图形化开发工具

			      toolbar->num_children);
}

void
gtk_toolbar_prepend_space (GtkToolbar *toolbar)
{
  gtk_toolbar_insert_element (toolbar, GTK_TOOLBAR_CHILD_SPACE,
			      NULL, NULL,
			      NULL, NULL,
			      NULL, NULL, NULL,
			      0);
}

void
gtk_toolbar_insert_space (GtkToolbar *toolbar,
			  gint        position)
{
  gtk_toolbar_insert_element (toolbar, GTK_TOOLBAR_CHILD_SPACE,
			      NULL, NULL,
			      NULL, NULL,
			      NULL, NULL, NULL,
			      position);
}

void
gtk_toolbar_append_widget (GtkToolbar  *toolbar,
			   GtkWidget   *widget,
			   const gchar *tooltip_text,
			   const gchar *tooltip_private_text)
{
  gtk_toolbar_insert_element (toolbar, GTK_TOOLBAR_CHILD_WIDGET,
			      widget, NULL,
			      tooltip_text, tooltip_private_text,
			      NULL, NULL, NULL,
			      toolbar->num_children);
}

void
gtk_toolbar_prepend_widget (GtkToolbar  *toolbar,
			    GtkWidget   *widget,
			    const gchar *tooltip_text,
			    const gchar *tooltip_private_text)
{
  gtk_toolbar_insert_element (toolbar, GTK_TOOLBAR_CHILD_WIDGET,
			      widget, NULL,
			      tooltip_text, tooltip_private_text,
			      NULL, NULL, NULL,
			      toolbar->num_children);
}

void
gtk_toolbar_insert_widget (GtkToolbar *toolbar,
			   GtkWidget  *widget,
			   const char *tooltip_text,
			   const char *tooltip_private_text,
			   gint        position)
{
  gtk_toolbar_insert_element (toolbar, GTK_TOOLBAR_CHILD_WIDGET,
			      widget, NULL,
			      tooltip_text, tooltip_private_text,
			      NULL, NULL, NULL,
			      position);
}

GtkWidget *
gtk_toolbar_append_element (GtkToolbar          *toolbar,
			    GtkToolbarChildType  type,
			    GtkWidget           *widget,
			    const char          *text,
			    const char          *tooltip_text,
			    const char          *tooltip_private_text,
			    GtkWidget           *icon,
			    GtkSignalFunc        callback,
			    gpointer             user_data)
{
  return gtk_toolbar_insert_element (toolbar, type, widget, text,
				     tooltip_text, tooltip_private_text,
				     icon, callback, user_data,
				     toolbar->num_children);
}

GtkWidget *
gtk_toolbar_prepend_element (GtkToolbar          *toolbar,
			     GtkToolbarChildType  type,
			     GtkWidget           *widget,
			     const char          *text,
			     const char          *tooltip_text,
			     const char          *tooltip_private_text,
			     GtkWidget           *icon,
			     GtkSignalFunc        callback,
			     gpointer             user_data)
{
  return gtk_toolbar_insert_element (toolbar, type, widget, text,
				     tooltip_text, tooltip_private_text,
				     icon, callback, user_data, 0);
}

GtkWidget *
gtk_toolbar_insert_element (GtkToolbar          *toolbar,
			    GtkToolbarChildType  type,
			    GtkWidget           *widget,
			    const char          *text,
			    const char          *tooltip_text,
			    const char          *tooltip_private_text,
			    GtkWidget           *icon,
			    GtkSignalFunc        callback,
			    gpointer             user_data,
			    gint                 position)
{
  GtkToolbarChild *child;
  GtkWidget *vbox;

  g_return_val_if_fail (toolbar != NULL, NULL);
  g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), NULL);
  if (type == GTK_TOOLBAR_CHILD_WIDGET)
    {
      g_return_val_if_fail (widget != NULL, NULL);
      g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
    }
  else if (type != GTK_TOOLBAR_CHILD_RADIOBUTTON)
    g_return_val_if_fail (widget == NULL, NULL);

  if (type == GTK_TOOLBAR_CHILD_SPACE)
    child = (GtkToolbarChild *) g_new (GtkToolbarChildSpace, 1);
  else
    child = g_new (GtkToolbarChild, 1);

  child->type = type;
  child->icon = NULL;
  child->label = NULL;

  switch (type)
    {
    case GTK_TOOLBAR_CHILD_SPACE:
      child->widget = NULL;
      ((GtkToolbarChildSpace *) child)->alloc_x =
	((GtkToolbarChildSpace *) child)->alloc_y = 0;
      break;

    case GTK_TOOLBAR_CHILD_WIDGET:
      child->widget = widget;
      break;

    case GTK_TOOLBAR_CHILD_BUTTON:
    case GTK_TOOLBAR_CHILD_TOGGLEBUTTON:
    case GTK_TOOLBAR_CHILD_RADIOBUTTON:
      if (type == GTK_TOOLBAR_CHILD_BUTTON)
	{
	  child->widget = gtk_button_new ();
	  gtk_button_set_relief (GTK_BUTTON (child->widget), toolbar->relief);
	}
      else if (type == GTK_TOOLBAR_CHILD_TOGGLEBUTTON)
	{
	  child->widget = gtk_toggle_button_new ();
	  gtk_button_set_relief (GTK_BUTTON (child->widget), toolbar->relief);
	  gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (child->widget),
				      FALSE);
	}
      else
	{
	  child->widget = gtk_radio_button_new (widget
						? gtk_radio_button_group (GTK_RADIO_BUTTON (widget))
						: NULL);
	  gtk_button_set_relief (GTK_BUTTON (child->widget), toolbar->relief);
	  gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (child->widget), FALSE);
	}

      GTK_WIDGET_UNSET_FLAGS (child->widget, GTK_CAN_FOCUS);

      if (callback)
	gtk_signal_connect (GTK_OBJECT (child->widget), "clicked",
			    callback, user_data);

      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (child->widget), vbox);
      gtk_widget_show (vbox);

      if (text)
	{
	  child->label = gtk_label_new (text);
	  gtk_box_pack_end (GTK_BOX (vbox), child->label, FALSE, FALSE, 0);
	  if (toolbar->style != GTK_TOOLBAR_ICONS)
	    gtk_widget_show (child->label);
	}

      if (icon)
	{
	  child->icon = GTK_WIDGET (icon);
	  gtk_box_pack_end (GTK_BOX (vbox), child->icon, FALSE, FALSE, 0);
	  if (toolbar->style != GTK_TOOLBAR_TEXT)
	    gtk_widget_show (child->icon);
	}

      gtk_widget_show (child->widget);
      break;

    default:
      g_assert_not_reached ();
    }

  if ((type != GTK_TOOLBAR_CHILD_SPACE) && tooltip_text)
    gtk_tooltips_set_tip (toolbar->tooltips, child->widget,
			  tooltip_text, tooltip_private_text);

  toolbar->children = g_list_insert (toolbar->children, child, position);
  toolbar->num_children++;

  if (type != GTK_TOOLBAR_CHILD_SPACE)
    {
      gtk_widget_set_parent (child->widget, GTK_WIDGET (toolbar));

      if (GTK_WIDGET_REALIZED (child->widget->parent))
	gtk_widget_realize (child->widget);

      if (GTK_WIDGET_VISIBLE (child->widget->parent) && GTK_WIDGET_VISIBLE (child->widget))
	{
	  if (GTK_WIDGET_MAPPED (child->widget->parent))
	    gtk_widget_map (child->widget);

	  gtk_widget_queue_resize (child->widget);
	}
    }
  else
    gtk_widget_queue_resize (GTK_WIDGET (toolbar));

  return child->widget;
}

void
gtk_toolbar_set_orientation (GtkToolbar     *toolbar,
			     GtkOrientation  orientation)
{
  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  gtk_signal_emit (GTK_OBJECT (toolbar), toolbar_signals[ORIENTATION_CHANGED], orientation);
}

void
gtk_toolbar_set_style (GtkToolbar      *toolbar,
		       GtkToolbarStyle  style)
{
  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  gtk_signal_emit (GTK_OBJECT (toolbar), toolbar_signals[STYLE_CHANGED], style);
}

void
gtk_toolbar_set_space_size (GtkToolbar *toolbar,
			    gint        space_size)
{
  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  if (toolbar->space_size != space_size)
    {
      toolbar->space_size = space_size;
      gtk_widget_queue_resize (GTK_WIDGET (toolbar));
    }
}

void
gtk_toolbar_set_space_style (GtkToolbar           *toolbar,
			     GtkToolbarSpaceStyle  space_style)
{
  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  if (toolbar->space_style != space_style)
    {
      toolbar->space_style = space_style;
      gtk_widget_queue_resize (GTK_WIDGET (toolbar));
    }
}

void
gtk_toolbar_set_tooltips (GtkToolbar *toolbar,
			  gint        enable)
{
  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  if (enable)
    gtk_tooltips_enable (toolbar->tooltips);
  else
    gtk_tooltips_disable (toolbar->tooltips);
}

void
gtk_toolbar_set_button_relief (GtkToolbar *toolbar,
			       GtkReliefStyle relief)
{
  GList *children;
  GtkToolbarChild *child;
  
  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  if (toolbar->relief != relief)
    {
      toolbar->relief = relief;
      
      for (children = toolbar->children; children; children = children->next)
	{
	  child = children->data;
	  if (child->type == GTK_TOOLBAR_CHILD_BUTTON ||
	      child->type == GTK_TOOLBAR_CHILD_RADIOBUTTON ||
	      child->type == GTK_TOOLBAR_CHILD_TOGGLEBUTTON)
	    gtk_button_set_relief (GTK_BUTTON (child->widget), relief);
	}
      
      gtk_widget_queue_resize (GTK_WIDGET (toolbar));
    }
}

GtkReliefStyle
gtk_toolbar_get_button_relief (GtkToolbar *toolbar)
{
  g_return_val_if_fail (toolbar != NULL, GTK_RELIEF_NORMAL);
  g_return_val_if_fail (GTK_IS_TOOLBAR (toolbar), GTK_RELIEF_NORMAL);

  return toolbar->relief;
}

static void
gtk_real_toolbar_orientation_changed (GtkToolbar     *toolbar,
				      GtkOrientation  orientation)
{
  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  if (toolbar->orientation != orientation)
    {
      toolbar->orientation = orientation;
      gtk_widget_queue_resize (GTK_WIDGET (toolbar));
    }
}

static void
gtk_real_toolbar_style_changed (GtkToolbar      *toolbar,
				GtkToolbarStyle  style)
{
  GList *children;
  GtkToolbarChild *child;

  g_return_if_fail (toolbar != NULL);
  g_return_if_fail (GTK_IS_TOOLBAR (toolbar));

  if (toolbar->style != style)
    {
      toolbar->style = style;

      for (children = toolbar->children; children; children = children->next)
	{
	  child = children->data;

	  if (child->type == GTK_TOOLBAR_CHILD_BUTTON ||
	      child->type == GTK_TOOLBAR_CHILD_RADIOBUTTON ||
	      child->type == GTK_TOOLBAR_CHILD_TOGGLEBUTTON)
	    switch (style)
	      {
	      case GTK_TOOLBAR_ICONS:
		if (child->icon && !GTK_WIDGET_VISIBLE (child->icon))
		  gtk_widget_show (child->icon);

		if (child->label && GTK_WIDGET_VISIBLE (child->label))
		  gtk_widget_hide (child->label);

		break;

	      case GTK_TOOLBAR_TEXT:
		if (child->icon && GTK_WIDGET_VISIBLE (child->icon))
		  gtk_widget_hide (child->icon);

		if (child->label && !GTK_WIDGET_VISIBLE (child->label))
		  gtk_widget_show (child->label);

		break;

	      case GTK_TOOLBAR_BOTH:
		if (child->icon && !GTK_WIDGET_VISIBLE (child->icon))
		  gtk_widget_show (child->icon);

		if (child->label && !GTK_WIDGET_VISIBLE (child->label))
		  gtk_widget_show (child->label);

		break;

	      default:
		g_assert_not_reached ();
	      }
	}
		
      gtk_widget_queue_resize (GTK_WIDGET (toolbar));
    }
}