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gtk2/gtk/gtktoolitem.c
Matthias Clasen 93203ca2f6 GtkToolItemPrivate: Improve struct packing
2011-04-12 12:49:16 -04:00

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/* gtktoolitem.c
*
* Copyright (C) 2002 Anders Carlsson <andersca@gnome.org>
* Copyright (C) 2002 James Henstridge <james@daa.com.au>
* Copyright (C) 2003 Soeren Sandmann <sandmann@daimi.au.dk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtktoolitem.h"
#include <string.h>
#include "gtkmarshalers.h"
#include "gtktoolshell.h"
#include "gtkseparatormenuitem.h"
#include "gtksizerequest.h"
#include "gtkactivatable.h"
#include "gtkintl.h"
#include "gtkmainprivate.h"
#include "gtkprivate.h"
/**
* SECTION:gtktoolitem
* @short_description: The base class of widgets that can be added to GtkToolShell
* @Title: GtkToolItem
* @see_also: <variablelist>
* <varlistentry>
* <term>#GtkToolbar</term>
* <listitem><para>The toolbar widget</para></listitem>
* </varlistentry>
* <varlistentry>
* <term>#GtkToolButton</term>
* <listitem><para>A subclass of #GtkToolItem that displays buttons on
* the toolbar</para></listitem>
* </varlistentry>
* <varlistentry>
* <term>#GtkSeparatorToolItem</term>
* <listitem><para>A subclass of #GtkToolItem that separates groups of
* items on a toolbar</para></listitem>
* </varlistentry>
* </variablelist>
*
* #GtkToolItem<!-- -->s are widgets that can appear on a toolbar. To
* create a toolbar item that contain something else than a button, use
* gtk_tool_item_new(). Use gtk_container_add() to add a child
* widget to the tool item.
*
* For toolbar items that contain buttons, see the #GtkToolButton,
* #GtkToggleToolButton and #GtkRadioToolButton classes.
*
* See the #GtkToolbar class for a description of the toolbar widget, and
* #GtkToolShell for a description of the tool shell interface.
*/
/**
* GtkToolItem:
*
* The GtkToolItem struct contains only private data.
* It should only be accessed through the functions described below.
*/
enum {
CREATE_MENU_PROXY,
TOOLBAR_RECONFIGURED,
LAST_SIGNAL
};
enum {
PROP_0,
PROP_VISIBLE_HORIZONTAL,
PROP_VISIBLE_VERTICAL,
PROP_IS_IMPORTANT,
/* activatable properties */
PROP_ACTIVATABLE_RELATED_ACTION,
PROP_ACTIVATABLE_USE_ACTION_APPEARANCE
};
struct _GtkToolItemPrivate
{
gchar *tip_text;
gchar *tip_private;
guint visible_horizontal : 1;
guint visible_vertical : 1;
guint homogeneous : 1;
guint expand : 1;
guint use_drag_window : 1;
guint is_important : 1;
guint use_action_appearance : 1;
GdkWindow *drag_window;
gchar *menu_item_id;
GtkWidget *menu_item;
GtkAction *action;
};
static void gtk_tool_item_finalize (GObject *object);
static void gtk_tool_item_dispose (GObject *object);
static void gtk_tool_item_parent_set (GtkWidget *toolitem,
GtkWidget *parent);
static void gtk_tool_item_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_tool_item_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_tool_item_property_notify (GObject *object,
GParamSpec *pspec);
static void gtk_tool_item_realize (GtkWidget *widget);
static void gtk_tool_item_unrealize (GtkWidget *widget);
static void gtk_tool_item_map (GtkWidget *widget);
static void gtk_tool_item_unmap (GtkWidget *widget);
static void gtk_tool_item_get_preferred_width
(GtkWidget *widget,
gint *minimum,
gint *natural);
static void gtk_tool_item_get_preferred_height
(GtkWidget *widget,
gint *minimum,
gint *natural);
static void gtk_tool_item_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_tool_item_activatable_interface_init (GtkActivatableIface *iface);
static void gtk_tool_item_update (GtkActivatable *activatable,
GtkAction *action,
const gchar *property_name);
static void gtk_tool_item_sync_action_properties (GtkActivatable *activatable,
GtkAction *action);
static void gtk_tool_item_set_related_action (GtkToolItem *item,
GtkAction *action);
static void gtk_tool_item_set_use_action_appearance (GtkToolItem *item,
gboolean use_appearance);
static guint toolitem_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_CODE (GtkToolItem, gtk_tool_item, GTK_TYPE_BIN,
G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,
gtk_tool_item_activatable_interface_init))
static void
gtk_tool_item_class_init (GtkToolItemClass *klass)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GObjectClass *)klass;
widget_class = (GtkWidgetClass *)klass;
object_class->set_property = gtk_tool_item_set_property;
object_class->get_property = gtk_tool_item_get_property;
object_class->finalize = gtk_tool_item_finalize;
object_class->dispose = gtk_tool_item_dispose;
object_class->notify = gtk_tool_item_property_notify;
widget_class->realize = gtk_tool_item_realize;
widget_class->unrealize = gtk_tool_item_unrealize;
widget_class->map = gtk_tool_item_map;
widget_class->unmap = gtk_tool_item_unmap;
widget_class->get_preferred_width = gtk_tool_item_get_preferred_width;
widget_class->get_preferred_height = gtk_tool_item_get_preferred_height;
widget_class->size_allocate = gtk_tool_item_size_allocate;
widget_class->parent_set = gtk_tool_item_parent_set;
gtk_container_class_handle_border_width (GTK_CONTAINER_CLASS (klass));
klass->create_menu_proxy = _gtk_tool_item_create_menu_proxy;
g_object_class_install_property (object_class,
PROP_VISIBLE_HORIZONTAL,
g_param_spec_boolean ("visible-horizontal",
P_("Visible when horizontal"),
P_("Whether the toolbar item is visible when the toolbar is in a horizontal orientation."),
TRUE,
GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_VISIBLE_VERTICAL,
g_param_spec_boolean ("visible-vertical",
P_("Visible when vertical"),
P_("Whether the toolbar item is visible when the toolbar is in a vertical orientation."),
TRUE,
GTK_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_IS_IMPORTANT,
g_param_spec_boolean ("is-important",
P_("Is important"),
P_("Whether the toolbar item is considered important. When TRUE, toolbar buttons show text in GTK_TOOLBAR_BOTH_HORIZ mode"),
FALSE,
GTK_PARAM_READWRITE));
g_object_class_override_property (object_class, PROP_ACTIVATABLE_RELATED_ACTION, "related-action");
g_object_class_override_property (object_class, PROP_ACTIVATABLE_USE_ACTION_APPEARANCE, "use-action-appearance");
/**
* GtkToolItem::create-menu-proxy:
* @tool_item: the object the signal was emitted on
*
* This signal is emitted when the toolbar needs information from @tool_item
* about whether the item should appear in the toolbar overflow menu. In
* response the tool item should either
* <itemizedlist>
* <listitem>call gtk_tool_item_set_proxy_menu_item() with a %NULL
* pointer and return %TRUE to indicate that the item should not appear
* in the overflow menu
* </listitem>
* <listitem> call gtk_tool_item_set_proxy_menu_item() with a new menu
* item and return %TRUE, or
* </listitem>
* <listitem> return %FALSE to indicate that the signal was not
* handled by the item. This means that
* the item will not appear in the overflow menu unless a later handler
* installs a menu item.
* </listitem>
* </itemizedlist>
*
* The toolbar may cache the result of this signal. When the tool item changes
* how it will respond to this signal it must call gtk_tool_item_rebuild_menu()
* to invalidate the cache and ensure that the toolbar rebuilds its overflow
* menu.
*
* Return value: %TRUE if the signal was handled, %FALSE if not
**/
toolitem_signals[CREATE_MENU_PROXY] =
g_signal_new (I_("create-menu-proxy"),
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkToolItemClass, create_menu_proxy),
_gtk_boolean_handled_accumulator, NULL,
_gtk_marshal_BOOLEAN__VOID,
G_TYPE_BOOLEAN, 0);
/**
* GtkToolItem::toolbar-reconfigured:
* @tool_item: the object the signal was emitted on
*
* This signal is emitted when some property of the toolbar that the
* item is a child of changes. For custom subclasses of #GtkToolItem,
* the default handler of this signal use the functions
* <itemizedlist>
* <listitem>gtk_tool_shell_get_orientation()</listitem>
* <listitem>gtk_tool_shell_get_style()</listitem>
* <listitem>gtk_tool_shell_get_icon_size()</listitem>
* <listitem>gtk_tool_shell_get_relief_style()</listitem>
* </itemizedlist>
* to find out what the toolbar should look like and change
* themselves accordingly.
**/
toolitem_signals[TOOLBAR_RECONFIGURED] =
g_signal_new (I_("toolbar-reconfigured"),
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkToolItemClass, toolbar_reconfigured),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_type_class_add_private (object_class, sizeof (GtkToolItemPrivate));
}
static void
gtk_tool_item_init (GtkToolItem *toolitem)
{
gtk_widget_set_can_focus (GTK_WIDGET (toolitem), FALSE);
toolitem->priv = G_TYPE_INSTANCE_GET_PRIVATE (toolitem,
GTK_TYPE_TOOL_ITEM,
GtkToolItemPrivate);
toolitem->priv->visible_horizontal = TRUE;
toolitem->priv->visible_vertical = TRUE;
toolitem->priv->homogeneous = FALSE;
toolitem->priv->expand = FALSE;
toolitem->priv->use_action_appearance = TRUE;
}
static void
gtk_tool_item_finalize (GObject *object)
{
GtkToolItem *item = GTK_TOOL_ITEM (object);
g_free (item->priv->menu_item_id);
if (item->priv->menu_item)
g_object_unref (item->priv->menu_item);
G_OBJECT_CLASS (gtk_tool_item_parent_class)->finalize (object);
}
static void
gtk_tool_item_dispose (GObject *object)
{
GtkToolItem *item = GTK_TOOL_ITEM (object);
if (item->priv->action)
{
gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (item), NULL);
item->priv->action = NULL;
}
G_OBJECT_CLASS (gtk_tool_item_parent_class)->dispose (object);
}
static void
gtk_tool_item_parent_set (GtkWidget *toolitem,
GtkWidget *prev_parent)
{
if (gtk_widget_get_parent (GTK_WIDGET (toolitem)) != NULL)
gtk_tool_item_toolbar_reconfigured (GTK_TOOL_ITEM (toolitem));
}
static void
gtk_tool_item_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkToolItem *toolitem = GTK_TOOL_ITEM (object);
switch (prop_id)
{
case PROP_VISIBLE_HORIZONTAL:
gtk_tool_item_set_visible_horizontal (toolitem, g_value_get_boolean (value));
break;
case PROP_VISIBLE_VERTICAL:
gtk_tool_item_set_visible_vertical (toolitem, g_value_get_boolean (value));
break;
case PROP_IS_IMPORTANT:
gtk_tool_item_set_is_important (toolitem, g_value_get_boolean (value));
break;
case PROP_ACTIVATABLE_RELATED_ACTION:
gtk_tool_item_set_related_action (toolitem, g_value_get_object (value));
break;
case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE:
gtk_tool_item_set_use_action_appearance (toolitem, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_tool_item_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkToolItem *toolitem = GTK_TOOL_ITEM (object);
switch (prop_id)
{
case PROP_VISIBLE_HORIZONTAL:
g_value_set_boolean (value, toolitem->priv->visible_horizontal);
break;
case PROP_VISIBLE_VERTICAL:
g_value_set_boolean (value, toolitem->priv->visible_vertical);
break;
case PROP_IS_IMPORTANT:
g_value_set_boolean (value, toolitem->priv->is_important);
break;
case PROP_ACTIVATABLE_RELATED_ACTION:
g_value_set_object (value, toolitem->priv->action);
break;
case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE:
g_value_set_boolean (value, toolitem->priv->use_action_appearance);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_tool_item_property_notify (GObject *object,
GParamSpec *pspec)
{
GtkToolItem *tool_item = GTK_TOOL_ITEM (object);
if (tool_item->priv->menu_item && strcmp (pspec->name, "sensitive") == 0)
gtk_widget_set_sensitive (tool_item->priv->menu_item,
gtk_widget_get_sensitive (GTK_WIDGET (tool_item)));
}
static void
create_drag_window (GtkToolItem *toolitem)
{
GtkAllocation allocation;
GtkWidget *widget;
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (toolitem->priv->use_drag_window == TRUE);
widget = GTK_WIDGET (toolitem);
gtk_widget_get_allocation (widget, &allocation);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = allocation.x;
attributes.y = allocation.y;
attributes.width = allocation.width;
attributes.height = allocation.height;
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y;
toolitem->priv->drag_window = gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, attributes_mask);
gdk_window_set_user_data (toolitem->priv->drag_window, toolitem);
}
static void
gtk_tool_item_realize (GtkWidget *widget)
{
GtkToolItem *toolitem;
GdkWindow *window;
toolitem = GTK_TOOL_ITEM (widget);
gtk_widget_set_realized (widget, TRUE);
window = gtk_widget_get_parent_window (widget);
gtk_widget_set_window (widget, window);
g_object_ref (window);
if (toolitem->priv->use_drag_window)
create_drag_window(toolitem);
}
static void
destroy_drag_window (GtkToolItem *toolitem)
{
if (toolitem->priv->drag_window)
{
gdk_window_set_user_data (toolitem->priv->drag_window, NULL);
gdk_window_destroy (toolitem->priv->drag_window);
toolitem->priv->drag_window = NULL;
}
}
static void
gtk_tool_item_unrealize (GtkWidget *widget)
{
GtkToolItem *toolitem;
toolitem = GTK_TOOL_ITEM (widget);
destroy_drag_window (toolitem);
GTK_WIDGET_CLASS (gtk_tool_item_parent_class)->unrealize (widget);
}
static void
gtk_tool_item_map (GtkWidget *widget)
{
GtkToolItem *toolitem;
toolitem = GTK_TOOL_ITEM (widget);
GTK_WIDGET_CLASS (gtk_tool_item_parent_class)->map (widget);
if (toolitem->priv->drag_window)
gdk_window_show (toolitem->priv->drag_window);
}
static void
gtk_tool_item_unmap (GtkWidget *widget)
{
GtkToolItem *toolitem;
toolitem = GTK_TOOL_ITEM (widget);
if (toolitem->priv->drag_window)
gdk_window_hide (toolitem->priv->drag_window);
GTK_WIDGET_CLASS (gtk_tool_item_parent_class)->unmap (widget);
}
static void
gtk_tool_item_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GtkWidget *child;
*minimum = *natural = 0;
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
gtk_widget_get_preferred_width (child, minimum, natural);
}
static void
gtk_tool_item_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GtkWidget *child;
*minimum = *natural = 0;
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
gtk_widget_get_preferred_height (child, minimum, natural);
}
static void
gtk_tool_item_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkToolItem *toolitem = GTK_TOOL_ITEM (widget);
GtkAllocation child_allocation;
GtkWidget *child;
gtk_widget_set_allocation (widget, allocation);
if (toolitem->priv->drag_window)
gdk_window_move_resize (toolitem->priv->drag_window,
allocation->x,
allocation->y,
allocation->width,
allocation->height);
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
{
child_allocation.x = allocation->x;
child_allocation.y = allocation->y;
child_allocation.width = allocation->width;
child_allocation.height = allocation->height;
gtk_widget_size_allocate (child, &child_allocation);
}
}
gboolean
_gtk_tool_item_create_menu_proxy (GtkToolItem *item)
{
GtkWidget *menu_item;
gboolean visible_overflown;
if (item->priv->action)
{
g_object_get (item->priv->action, "visible-overflown", &visible_overflown, NULL);
if (visible_overflown)
{
menu_item = gtk_action_create_menu_item (item->priv->action);
g_object_ref_sink (menu_item);
gtk_tool_item_set_proxy_menu_item (item, "gtk-action-menu-item", menu_item);
g_object_unref (menu_item);
}
else
gtk_tool_item_set_proxy_menu_item (item, "gtk-action-menu-item", NULL);
return TRUE;
}
return FALSE;
}
static void
gtk_tool_item_activatable_interface_init (GtkActivatableIface *iface)
{
iface->update = gtk_tool_item_update;
iface->sync_action_properties = gtk_tool_item_sync_action_properties;
}
static void
gtk_tool_item_update (GtkActivatable *activatable,
GtkAction *action,
const gchar *property_name)
{
if (strcmp (property_name, "visible") == 0)
{
if (gtk_action_is_visible (action))
gtk_widget_show (GTK_WIDGET (activatable));
else
gtk_widget_hide (GTK_WIDGET (activatable));
}
else if (strcmp (property_name, "sensitive") == 0)
gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));
else if (strcmp (property_name, "tooltip") == 0)
gtk_tool_item_set_tooltip_text (GTK_TOOL_ITEM (activatable),
gtk_action_get_tooltip (action));
else if (strcmp (property_name, "visible-horizontal") == 0)
gtk_tool_item_set_visible_horizontal (GTK_TOOL_ITEM (activatable),
gtk_action_get_visible_horizontal (action));
else if (strcmp (property_name, "visible-vertical") == 0)
gtk_tool_item_set_visible_vertical (GTK_TOOL_ITEM (activatable),
gtk_action_get_visible_vertical (action));
else if (strcmp (property_name, "is-important") == 0)
gtk_tool_item_set_is_important (GTK_TOOL_ITEM (activatable),
gtk_action_get_is_important (action));
}
static void
gtk_tool_item_sync_action_properties (GtkActivatable *activatable,
GtkAction *action)
{
if (!action)
return;
if (gtk_action_is_visible (action))
gtk_widget_show (GTK_WIDGET (activatable));
else
gtk_widget_hide (GTK_WIDGET (activatable));
gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));
gtk_tool_item_set_tooltip_text (GTK_TOOL_ITEM (activatable),
gtk_action_get_tooltip (action));
gtk_tool_item_set_visible_horizontal (GTK_TOOL_ITEM (activatable),
gtk_action_get_visible_horizontal (action));
gtk_tool_item_set_visible_vertical (GTK_TOOL_ITEM (activatable),
gtk_action_get_visible_vertical (action));
gtk_tool_item_set_is_important (GTK_TOOL_ITEM (activatable),
gtk_action_get_is_important (action));
}
static void
gtk_tool_item_set_related_action (GtkToolItem *item,
GtkAction *action)
{
if (item->priv->action == action)
return;
gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (item), action);
item->priv->action = action;
if (action)
{
gtk_tool_item_rebuild_menu (item);
}
}
static void
gtk_tool_item_set_use_action_appearance (GtkToolItem *item,
gboolean use_appearance)
{
if (item->priv->use_action_appearance != use_appearance)
{
item->priv->use_action_appearance = use_appearance;
gtk_activatable_sync_action_properties (GTK_ACTIVATABLE (item), item->priv->action);
}
}
/**
* gtk_tool_item_new:
*
* Creates a new #GtkToolItem
*
* Return value: the new #GtkToolItem
*
* Since: 2.4
**/
GtkToolItem *
gtk_tool_item_new (void)
{
GtkToolItem *item;
item = g_object_new (GTK_TYPE_TOOL_ITEM, NULL);
return item;
}
/**
* gtk_tool_item_get_ellipsize_mode:
* @tool_item: a #GtkToolItem
*
* Returns the ellipsize mode used for @tool_item. Custom subclasses of
* #GtkToolItem should call this function to find out how text should
* be ellipsized.
*
* Return value: a #PangoEllipsizeMode indicating how text in @tool_item
* should be ellipsized.
*
* Since: 2.20
**/
PangoEllipsizeMode
gtk_tool_item_get_ellipsize_mode (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ORIENTATION_HORIZONTAL);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return PANGO_ELLIPSIZE_NONE;
return gtk_tool_shell_get_ellipsize_mode (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_get_icon_size:
* @tool_item: a #GtkToolItem
*
* Returns the icon size used for @tool_item. Custom subclasses of
* #GtkToolItem should call this function to find out what size icons
* they should use.
*
* Return value: (type int): a #GtkIconSize indicating the icon size
* used for @tool_item
*
* Since: 2.4
**/
GtkIconSize
gtk_tool_item_get_icon_size (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ICON_SIZE_LARGE_TOOLBAR);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return GTK_ICON_SIZE_LARGE_TOOLBAR;
return gtk_tool_shell_get_icon_size (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_get_orientation:
* @tool_item: a #GtkToolItem
*
* Returns the orientation used for @tool_item. Custom subclasses of
* #GtkToolItem should call this function to find out what size icons
* they should use.
*
* Return value: a #GtkOrientation indicating the orientation
* used for @tool_item
*
* Since: 2.4
**/
GtkOrientation
gtk_tool_item_get_orientation (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ORIENTATION_HORIZONTAL);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return GTK_ORIENTATION_HORIZONTAL;
return gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_get_toolbar_style:
* @tool_item: a #GtkToolItem
*
* Returns the toolbar style used for @tool_item. Custom subclasses of
* #GtkToolItem should call this function in the handler of the
* GtkToolItem::toolbar_reconfigured signal to find out in what style
* the toolbar is displayed and change themselves accordingly
*
* Possibilities are:
* <itemizedlist>
* <listitem> GTK_TOOLBAR_BOTH, meaning the tool item should show
* both an icon and a label, stacked vertically </listitem>
* <listitem> GTK_TOOLBAR_ICONS, meaning the toolbar shows
* only icons </listitem>
* <listitem> GTK_TOOLBAR_TEXT, meaning the tool item should only
* show text</listitem>
* <listitem> GTK_TOOLBAR_BOTH_HORIZ, meaning the tool item should show
* both an icon and a label, arranged horizontally (however, note the
* #GtkToolButton::has_text_horizontally that makes tool buttons not
* show labels when the toolbar style is GTK_TOOLBAR_BOTH_HORIZ.
* </listitem>
* </itemizedlist>
*
* Return value: A #GtkToolbarStyle indicating the toolbar style used
* for @tool_item.
*
* Since: 2.4
**/
GtkToolbarStyle
gtk_tool_item_get_toolbar_style (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_TOOLBAR_ICONS);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return GTK_TOOLBAR_ICONS;
return gtk_tool_shell_get_style (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_get_relief_style:
* @tool_item: a #GtkToolItem
*
* Returns the relief style of @tool_item. See gtk_button_set_relief_style().
* Custom subclasses of #GtkToolItem should call this function in the handler
* of the #GtkToolItem::toolbar_reconfigured signal to find out the
* relief style of buttons.
*
* Return value: a #GtkReliefStyle indicating the relief style used
* for @tool_item.
*
* Since: 2.4
**/
GtkReliefStyle
gtk_tool_item_get_relief_style (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_RELIEF_NONE);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return GTK_RELIEF_NONE;
return gtk_tool_shell_get_relief_style (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_get_text_alignment:
* @tool_item: a #GtkToolItem:
*
* Returns the text alignment used for @tool_item. Custom subclasses of
* #GtkToolItem should call this function to find out how text should
* be aligned.
*
* Return value: a #gfloat indicating the horizontal text alignment
* used for @tool_item
*
* Since: 2.20
**/
gfloat
gtk_tool_item_get_text_alignment (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ORIENTATION_HORIZONTAL);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return 0.5;
return gtk_tool_shell_get_text_alignment (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_get_text_orientation:
* @tool_item: a #GtkToolItem
*
* Returns the text orientation used for @tool_item. Custom subclasses of
* #GtkToolItem should call this function to find out how text should
* be orientated.
*
* Return value: a #GtkOrientation indicating the text orientation
* used for @tool_item
*
* Since: 2.20
*/
GtkOrientation
gtk_tool_item_get_text_orientation (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), GTK_ORIENTATION_HORIZONTAL);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return GTK_ORIENTATION_HORIZONTAL;
return gtk_tool_shell_get_text_orientation (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_get_text_size_group:
* @tool_item: a #GtkToolItem
*
* Returns the size group used for labels in @tool_item.
* Custom subclasses of #GtkToolItem should call this function
* and use the size group for labels.
*
* Return value: (transfer none): a #GtkSizeGroup
*
* Since: 2.20
*/
GtkSizeGroup *
gtk_tool_item_get_text_size_group (GtkToolItem *tool_item)
{
GtkWidget *parent;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), NULL);
parent = gtk_widget_get_parent (GTK_WIDGET (tool_item));
if (!parent || !GTK_IS_TOOL_SHELL (parent))
return NULL;
return gtk_tool_shell_get_text_size_group (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_set_expand:
* @tool_item: a #GtkToolItem
* @expand: Whether @tool_item is allocated extra space
*
* Sets whether @tool_item is allocated extra space when there
* is more room on the toolbar then needed for the items. The
* effect is that the item gets bigger when the toolbar gets bigger
* and smaller when the toolbar gets smaller.
*
* Since: 2.4
*/
void
gtk_tool_item_set_expand (GtkToolItem *tool_item,
gboolean expand)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
expand = expand != FALSE;
if (tool_item->priv->expand != expand)
{
tool_item->priv->expand = expand;
gtk_widget_child_notify (GTK_WIDGET (tool_item), "expand");
gtk_widget_queue_resize (GTK_WIDGET (tool_item));
}
}
/**
* gtk_tool_item_get_expand:
* @tool_item: a #GtkToolItem
*
* Returns whether @tool_item is allocated extra space.
* See gtk_tool_item_set_expand().
*
* Return value: %TRUE if @tool_item is allocated extra space.
*
* Since: 2.4
**/
gboolean
gtk_tool_item_get_expand (GtkToolItem *tool_item)
{
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), FALSE);
return tool_item->priv->expand;
}
/**
* gtk_tool_item_set_homogeneous:
* @tool_item: a #GtkToolItem
* @homogeneous: whether @tool_item is the same size as other homogeneous items
*
* Sets whether @tool_item is to be allocated the same size as other
* homogeneous items. The effect is that all homogeneous items will have
* the same width as the widest of the items.
*
* Since: 2.4
**/
void
gtk_tool_item_set_homogeneous (GtkToolItem *tool_item,
gboolean homogeneous)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
homogeneous = homogeneous != FALSE;
if (tool_item->priv->homogeneous != homogeneous)
{
tool_item->priv->homogeneous = homogeneous;
gtk_widget_child_notify (GTK_WIDGET (tool_item), "homogeneous");
gtk_widget_queue_resize (GTK_WIDGET (tool_item));
}
}
/**
* gtk_tool_item_get_homogeneous:
* @tool_item: a #GtkToolItem
*
* Returns whether @tool_item is the same size as other homogeneous
* items. See gtk_tool_item_set_homogeneous().
*
* Return value: %TRUE if the item is the same size as other homogeneous
* items.
*
* Since: 2.4
**/
gboolean
gtk_tool_item_get_homogeneous (GtkToolItem *tool_item)
{
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), FALSE);
return tool_item->priv->homogeneous;
}
/**
* gtk_tool_item_get_is_important:
* @tool_item: a #GtkToolItem
*
* Returns whether @tool_item is considered important. See
* gtk_tool_item_set_is_important()
*
* Return value: %TRUE if @tool_item is considered important.
*
* Since: 2.4
**/
gboolean
gtk_tool_item_get_is_important (GtkToolItem *tool_item)
{
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), FALSE);
return tool_item->priv->is_important;
}
/**
* gtk_tool_item_set_is_important:
* @tool_item: a #GtkToolItem
* @is_important: whether the tool item should be considered important
*
* Sets whether @tool_item should be considered important. The #GtkToolButton
* class uses this property to determine whether to show or hide its label
* when the toolbar style is %GTK_TOOLBAR_BOTH_HORIZ. The result is that
* only tool buttons with the "is_important" property set have labels, an
* effect known as "priority text"
*
* Since: 2.4
**/
void
gtk_tool_item_set_is_important (GtkToolItem *tool_item, gboolean is_important)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
is_important = is_important != FALSE;
if (is_important != tool_item->priv->is_important)
{
tool_item->priv->is_important = is_important;
gtk_widget_queue_resize (GTK_WIDGET (tool_item));
g_object_notify (G_OBJECT (tool_item), "is-important");
}
}
/**
* gtk_tool_item_set_tooltip_text:
* @tool_item: a #GtkToolItem
* @text: text to be used as tooltip for @tool_item
*
* Sets the text to be displayed as tooltip on the item.
* See gtk_widget_set_tooltip_text().
*
* Since: 2.12
**/
void
gtk_tool_item_set_tooltip_text (GtkToolItem *tool_item,
const gchar *text)
{
GtkWidget *child;
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
child = gtk_bin_get_child (GTK_BIN (tool_item));
if (child)
gtk_widget_set_tooltip_text (child, text);
}
/**
* gtk_tool_item_set_tooltip_markup:
* @tool_item: a #GtkToolItem
* @markup: markup text to be used as tooltip for @tool_item
*
* Sets the markup text to be displayed as tooltip on the item.
* See gtk_widget_set_tooltip_markup().
*
* Since: 2.12
**/
void
gtk_tool_item_set_tooltip_markup (GtkToolItem *tool_item,
const gchar *markup)
{
GtkWidget *child;
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
child = gtk_bin_get_child (GTK_BIN (tool_item));
if (child)
gtk_widget_set_tooltip_markup (child, markup);
}
/**
* gtk_tool_item_set_use_drag_window:
* @tool_item: a #GtkToolItem
* @use_drag_window: Whether @tool_item has a drag window.
*
* Sets whether @tool_item has a drag window. When %TRUE the
* toolitem can be used as a drag source through gtk_drag_source_set().
* When @tool_item has a drag window it will intercept all events,
* even those that would otherwise be sent to a child of @tool_item.
*
* Since: 2.4
**/
void
gtk_tool_item_set_use_drag_window (GtkToolItem *toolitem,
gboolean use_drag_window)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (toolitem));
use_drag_window = use_drag_window != FALSE;
if (toolitem->priv->use_drag_window != use_drag_window)
{
toolitem->priv->use_drag_window = use_drag_window;
if (use_drag_window)
{
if (!toolitem->priv->drag_window &&
gtk_widget_get_realized (GTK_WIDGET (toolitem)))
{
create_drag_window(toolitem);
if (gtk_widget_get_mapped (GTK_WIDGET (toolitem)))
gdk_window_show (toolitem->priv->drag_window);
}
}
else
{
destroy_drag_window (toolitem);
}
}
}
/**
* gtk_tool_item_get_use_drag_window:
* @tool_item: a #GtkToolItem
*
* Returns whether @tool_item has a drag window. See
* gtk_tool_item_set_use_drag_window().
*
* Return value: %TRUE if @tool_item uses a drag window.
*
* Since: 2.4
**/
gboolean
gtk_tool_item_get_use_drag_window (GtkToolItem *toolitem)
{
g_return_val_if_fail (GTK_IS_TOOL_ITEM (toolitem), FALSE);
return toolitem->priv->use_drag_window;
}
/**
* gtk_tool_item_set_visible_horizontal:
* @tool_item: a #GtkToolItem
* @visible_horizontal: Whether @tool_item is visible when in horizontal mode
*
* Sets whether @tool_item is visible when the toolbar is docked horizontally.
*
* Since: 2.4
**/
void
gtk_tool_item_set_visible_horizontal (GtkToolItem *toolitem,
gboolean visible_horizontal)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (toolitem));
visible_horizontal = visible_horizontal != FALSE;
if (toolitem->priv->visible_horizontal != visible_horizontal)
{
toolitem->priv->visible_horizontal = visible_horizontal;
g_object_notify (G_OBJECT (toolitem), "visible-horizontal");
gtk_widget_queue_resize (GTK_WIDGET (toolitem));
}
}
/**
* gtk_tool_item_get_visible_horizontal:
* @tool_item: a #GtkToolItem
*
* Returns whether the @tool_item is visible on toolbars that are
* docked horizontally.
*
* Return value: %TRUE if @tool_item is visible on toolbars that are
* docked horizontally.
*
* Since: 2.4
**/
gboolean
gtk_tool_item_get_visible_horizontal (GtkToolItem *toolitem)
{
g_return_val_if_fail (GTK_IS_TOOL_ITEM (toolitem), FALSE);
return toolitem->priv->visible_horizontal;
}
/**
* gtk_tool_item_set_visible_vertical:
* @tool_item: a #GtkToolItem
* @visible_vertical: whether @tool_item is visible when the toolbar
* is in vertical mode
*
* Sets whether @tool_item is visible when the toolbar is docked
* vertically. Some tool items, such as text entries, are too wide to be
* useful on a vertically docked toolbar. If @visible_vertical is %FALSE
* @tool_item will not appear on toolbars that are docked vertically.
*
* Since: 2.4
**/
void
gtk_tool_item_set_visible_vertical (GtkToolItem *toolitem,
gboolean visible_vertical)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (toolitem));
visible_vertical = visible_vertical != FALSE;
if (toolitem->priv->visible_vertical != visible_vertical)
{
toolitem->priv->visible_vertical = visible_vertical;
g_object_notify (G_OBJECT (toolitem), "visible-vertical");
gtk_widget_queue_resize (GTK_WIDGET (toolitem));
}
}
/**
* gtk_tool_item_get_visible_vertical:
* @tool_item: a #GtkToolItem
*
* Returns whether @tool_item is visible when the toolbar is docked vertically.
* See gtk_tool_item_set_visible_vertical().
*
* Return value: Whether @tool_item is visible when the toolbar is docked vertically
*
* Since: 2.4
**/
gboolean
gtk_tool_item_get_visible_vertical (GtkToolItem *toolitem)
{
g_return_val_if_fail (GTK_IS_TOOL_ITEM (toolitem), FALSE);
return toolitem->priv->visible_vertical;
}
/**
* gtk_tool_item_retrieve_proxy_menu_item:
* @tool_item: a #GtkToolItem
*
* Returns the #GtkMenuItem that was last set by
* gtk_tool_item_set_proxy_menu_item(), ie. the #GtkMenuItem
* that is going to appear in the overflow menu.
*
* Return value: (transfer none): The #GtkMenuItem that is going to appear in the
* overflow menu for @tool_item.
*
* Since: 2.4
**/
GtkWidget *
gtk_tool_item_retrieve_proxy_menu_item (GtkToolItem *tool_item)
{
gboolean retval;
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), NULL);
g_signal_emit (tool_item, toolitem_signals[CREATE_MENU_PROXY], 0,
&retval);
return tool_item->priv->menu_item;
}
/**
* gtk_tool_item_get_proxy_menu_item:
* @tool_item: a #GtkToolItem
* @menu_item_id: a string used to identify the menu item
*
* If @menu_item_id matches the string passed to
* gtk_tool_item_set_proxy_menu_item() return the corresponding #GtkMenuItem.
*
* Custom subclasses of #GtkToolItem should use this function to
* update their menu item when the #GtkToolItem changes. That the
* @menu_item_id<!-- -->s must match ensures that a #GtkToolItem
* will not inadvertently change a menu item that they did not create.
*
* Return value: (transfer none): The #GtkMenuItem passed to
* gtk_tool_item_set_proxy_menu_item(), if the @menu_item_id<!-- -->s
* match.
*
* Since: 2.4
**/
GtkWidget *
gtk_tool_item_get_proxy_menu_item (GtkToolItem *tool_item,
const gchar *menu_item_id)
{
g_return_val_if_fail (GTK_IS_TOOL_ITEM (tool_item), NULL);
g_return_val_if_fail (menu_item_id != NULL, NULL);
if (tool_item->priv->menu_item_id && strcmp (tool_item->priv->menu_item_id, menu_item_id) == 0)
return tool_item->priv->menu_item;
return NULL;
}
/**
* gtk_tool_item_rebuild_menu:
* @tool_item: a #GtkToolItem
*
* Calling this function signals to the toolbar that the
* overflow menu item for @tool_item has changed. If the
* overflow menu is visible when this function it called,
* the menu will be rebuilt.
*
* The function must be called when the tool item changes what it
* will do in response to the #GtkToolItem::create-menu-proxy signal.
*
* Since: 2.6
*/
void
gtk_tool_item_rebuild_menu (GtkToolItem *tool_item)
{
GtkWidget *parent;
GtkWidget *widget;
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
widget = GTK_WIDGET (tool_item);
parent = gtk_widget_get_parent (widget);
if (GTK_IS_TOOL_SHELL (parent))
gtk_tool_shell_rebuild_menu (GTK_TOOL_SHELL (parent));
}
/**
* gtk_tool_item_set_proxy_menu_item:
* @tool_item: a #GtkToolItem
* @menu_item_id: a string used to identify @menu_item
* @menu_item: a #GtkMenuItem to be used in the overflow menu
*
* Sets the #GtkMenuItem used in the toolbar overflow menu. The
* @menu_item_id is used to identify the caller of this function and
* should also be used with gtk_tool_item_get_proxy_menu_item().
*
* Since: 2.4
**/
void
gtk_tool_item_set_proxy_menu_item (GtkToolItem *tool_item,
const gchar *menu_item_id,
GtkWidget *menu_item)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
g_return_if_fail (menu_item == NULL || GTK_IS_MENU_ITEM (menu_item));
g_return_if_fail (menu_item_id != NULL);
g_free (tool_item->priv->menu_item_id);
tool_item->priv->menu_item_id = g_strdup (menu_item_id);
if (tool_item->priv->menu_item != menu_item)
{
if (tool_item->priv->menu_item)
g_object_unref (tool_item->priv->menu_item);
if (menu_item)
{
g_object_ref_sink (menu_item);
gtk_widget_set_sensitive (menu_item,
gtk_widget_get_sensitive (GTK_WIDGET (tool_item)));
}
tool_item->priv->menu_item = menu_item;
}
}
/**
* gtk_tool_item_toolbar_reconfigured:
* @tool_item: a #GtkToolItem
*
* Emits the signal #GtkToolItem::toolbar_reconfigured on @tool_item.
* #GtkToolbar and other #GtkToolShell implementations use this function
* to notify children, when some aspect of their configuration changes.
*
* Since: 2.14
**/
void
gtk_tool_item_toolbar_reconfigured (GtkToolItem *tool_item)
{
/* The slightely inaccurate name "gtk_tool_item_toolbar_reconfigured" was
* choosen over "gtk_tool_item_tool_shell_reconfigured", since the function
* emits the "toolbar-reconfigured" signal, not "tool-shell-reconfigured".
* Its not possible to rename the signal, and emitting another name than
* indicated by the function name would be quite confusing. That's the
* price of providing stable APIs.
*/
g_return_if_fail (GTK_IS_TOOL_ITEM (tool_item));
g_signal_emit (tool_item, toolitem_signals[TOOLBAR_RECONFIGURED], 0);
if (tool_item->priv->drag_window)
gdk_window_raise (tool_item->priv->drag_window);
gtk_widget_queue_resize (GTK_WIDGET (tool_item));
}
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