/* GTK - The GIMP Toolkit
* Copyright (C) 2001 Red Hat, Inc.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/*
* GtkImageMenuItem was was deprecated from GTK+ and reasoning explained
* here: https://docs.google.com/document/d/1KCVPoYQBqMbDP11tHPpjW6uaEHrvLUmcDPqKAppCY8o/pub
* Gcr wants to use image menu items in button drop downs using the device icons
* (for the import button). So just copy it here with the stock and activatable
* sutff removed
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include "eggimagemenuitem.h"
struct _EggImageMenuItemPrivate
{
GtkWidget *image;
gchar *label;
guint always_show_image : 1;
guint16 toggle_size;
};
enum {
PROP_0,
PROP_IMAGE,
PROP_ALWAYS_SHOW_IMAGE
};
static void egg_image_menu_item_destroy (GtkWidget *widget);
static void egg_image_menu_item_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural);
static void egg_image_menu_item_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural);
static void egg_image_menu_item_get_preferred_height_for_width (GtkWidget *widget,
gint width,
gint *minimum,
gint *natural);
static void egg_image_menu_item_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void egg_image_menu_item_map (GtkWidget *widget);
static void egg_image_menu_item_remove (GtkContainer *container,
GtkWidget *child);
static void egg_image_menu_item_toggle_size_request (GtkMenuItem *menu_item,
gint *requisition);
static void egg_image_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
gint allocation);
static void egg_image_menu_item_set_label (GtkMenuItem *menu_item,
const gchar *label);
static const gchar * egg_image_menu_item_get_label (GtkMenuItem *menu_item);
static void egg_image_menu_item_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void egg_image_menu_item_finalize (GObject *object);
static void egg_image_menu_item_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void egg_image_menu_item_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void egg_image_menu_item_screen_changed (GtkWidget *widget,
GdkScreen *previous_screen);
static void egg_image_menu_item_recalculate (EggImageMenuItem *image_menu_item);
G_DEFINE_TYPE (EggImageMenuItem, egg_image_menu_item, GTK_TYPE_MENU_ITEM);
static void
egg_image_menu_item_class_init (EggImageMenuItemClass *klass)
{
GObjectClass *gobject_class = (GObjectClass*) klass;
GtkWidgetClass *widget_class = (GtkWidgetClass*) klass;
GtkMenuItemClass *menu_item_class = (GtkMenuItemClass*) klass;
GtkContainerClass *container_class = (GtkContainerClass*) klass;
widget_class->destroy = egg_image_menu_item_destroy;
widget_class->screen_changed = egg_image_menu_item_screen_changed;
widget_class->get_preferred_width = egg_image_menu_item_get_preferred_width;
widget_class->get_preferred_height = egg_image_menu_item_get_preferred_height;
widget_class->get_preferred_height_for_width = egg_image_menu_item_get_preferred_height_for_width;
widget_class->size_allocate = egg_image_menu_item_size_allocate;
widget_class->map = egg_image_menu_item_map;
container_class->forall = egg_image_menu_item_forall;
container_class->remove = egg_image_menu_item_remove;
menu_item_class->toggle_size_request = egg_image_menu_item_toggle_size_request;
menu_item_class->toggle_size_allocate = egg_image_menu_item_toggle_size_allocate;
menu_item_class->set_label = egg_image_menu_item_set_label;
menu_item_class->get_label = egg_image_menu_item_get_label;
gobject_class->finalize = egg_image_menu_item_finalize;
gobject_class->set_property = egg_image_menu_item_set_property;
gobject_class->get_property = egg_image_menu_item_get_property;
g_object_class_install_property (gobject_class,
PROP_IMAGE,
g_param_spec_object ("image",
"Image widget",
"Child widget to appear next to the menu text",
GTK_TYPE_WIDGET,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_ALWAYS_SHOW_IMAGE,
g_param_spec_boolean ("always-show-image",
"Always show image",
"Whether the image will always be shown",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT));
g_type_class_add_private (gobject_class, sizeof (EggImageMenuItemPrivate));
}
static void
egg_image_menu_item_init (EggImageMenuItem *image_menu_item)
{
EggImageMenuItemPrivate *priv;
image_menu_item->priv = G_TYPE_INSTANCE_GET_PRIVATE (image_menu_item, EGG_TYPE_IMAGE_MENU_ITEM, EggImageMenuItemPrivate);
priv = image_menu_item->priv;
priv->image = NULL;
priv->label = NULL;
}
static void
egg_image_menu_item_finalize (GObject *object)
{
EggImageMenuItemPrivate *priv = EGG_IMAGE_MENU_ITEM (object)->priv;
g_free (priv->label);
priv->label = NULL;
G_OBJECT_CLASS (egg_image_menu_item_parent_class)->finalize (object);
}
static void
egg_image_menu_item_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (object);
switch (prop_id)
{
case PROP_IMAGE:
egg_image_menu_item_set_image (image_menu_item, (GtkWidget *) g_value_get_object (value));
break;
case PROP_ALWAYS_SHOW_IMAGE:
egg_image_menu_item_set_always_show_image (image_menu_item, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
egg_image_menu_item_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (object);
switch (prop_id)
{
case PROP_IMAGE:
g_value_set_object (value, egg_image_menu_item_get_image (image_menu_item));
break;
case PROP_ALWAYS_SHOW_IMAGE:
g_value_set_boolean (value, egg_image_menu_item_get_always_show_image (image_menu_item));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
show_image (EggImageMenuItem *image_menu_item)
{
EggImageMenuItemPrivate *priv = image_menu_item->priv;
GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (image_menu_item));
gboolean show;
if (priv->always_show_image)
show = TRUE;
else
g_object_get (settings, "gtk-menu-images", &show, NULL);
return show;
}
static void
egg_image_menu_item_map (GtkWidget *widget)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (widget);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
GTK_WIDGET_CLASS (egg_image_menu_item_parent_class)->map (widget);
if (priv->image)
g_object_set (priv->image,
"visible", show_image (image_menu_item),
NULL);
}
static void
egg_image_menu_item_destroy (GtkWidget *widget)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (widget);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
if (priv->image)
gtk_container_remove (GTK_CONTAINER (image_menu_item),
priv->image);
GTK_WIDGET_CLASS (egg_image_menu_item_parent_class)->destroy (widget);
}
static void
egg_image_menu_item_toggle_size_request (GtkMenuItem *menu_item,
gint *requisition)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (menu_item);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
GtkPackDirection pack_dir;
GtkWidget *parent;
GtkWidget *widget = GTK_WIDGET (menu_item);
parent = gtk_widget_get_parent (widget);
if (GTK_IS_MENU_BAR (parent))
pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (parent));
else
pack_dir = GTK_PACK_DIRECTION_LTR;
*requisition = 0;
if (priv->image && gtk_widget_get_visible (priv->image))
{
GtkRequisition image_requisition;
guint toggle_spacing;
gtk_widget_get_preferred_size (priv->image, &image_requisition, NULL);
gtk_widget_style_get (GTK_WIDGET (menu_item),
"toggle-spacing", &toggle_spacing,
NULL);
if (pack_dir == GTK_PACK_DIRECTION_LTR || pack_dir == GTK_PACK_DIRECTION_RTL)
{
if (image_requisition.width > 0)
*requisition = image_requisition.width + toggle_spacing;
}
else
{
if (image_requisition.height > 0)
*requisition = image_requisition.height + toggle_spacing;
}
}
}
static void
egg_image_menu_item_toggle_size_allocate (GtkMenuItem *menu_item,
gint allocation)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (menu_item);
image_menu_item->priv->toggle_size = allocation;
GTK_MENU_ITEM_CLASS (egg_image_menu_item_parent_class)->toggle_size_allocate (menu_item, allocation);
}
static void
egg_image_menu_item_recalculate (EggImageMenuItem *image_menu_item)
{
EggImageMenuItemPrivate *priv = image_menu_item->priv;
GTK_MENU_ITEM_CLASS
(egg_image_menu_item_parent_class)->set_label (GTK_MENU_ITEM (image_menu_item), priv->label);
}
static void
egg_image_menu_item_set_label (GtkMenuItem *menu_item,
const gchar *label)
{
EggImageMenuItemPrivate *priv = EGG_IMAGE_MENU_ITEM (menu_item)->priv;
if (priv->label != label)
{
g_free (priv->label);
priv->label = g_strdup (label);
egg_image_menu_item_recalculate (EGG_IMAGE_MENU_ITEM (menu_item));
g_object_notify (G_OBJECT (menu_item), "label");
}
}
static const gchar *
egg_image_menu_item_get_label (GtkMenuItem *menu_item)
{
EggImageMenuItemPrivate *priv = EGG_IMAGE_MENU_ITEM (menu_item)->priv;
return priv->label;
}
static void
egg_image_menu_item_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (widget);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
GtkPackDirection pack_dir;
GtkWidget *parent;
parent = gtk_widget_get_parent (widget);
if (GTK_IS_MENU_BAR (parent))
pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (parent));
else
pack_dir = GTK_PACK_DIRECTION_LTR;
GTK_WIDGET_CLASS (egg_image_menu_item_parent_class)->get_preferred_width (widget, minimum, natural);
if ((pack_dir == GTK_PACK_DIRECTION_TTB || pack_dir == GTK_PACK_DIRECTION_BTT) &&
priv->image &&
gtk_widget_get_visible (priv->image))
{
gint child_minimum, child_natural;
gtk_widget_get_preferred_width (priv->image, &child_minimum, &child_natural);
*minimum = MAX (*minimum, child_minimum);
*natural = MAX (*natural, child_natural);
}
}
static void
egg_image_menu_item_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (widget);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
gint child_height = 0;
GtkPackDirection pack_dir;
GtkWidget *parent;
parent = gtk_widget_get_parent (widget);
if (GTK_IS_MENU_BAR (parent))
pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (parent));
else
pack_dir = GTK_PACK_DIRECTION_LTR;
if (priv->image && gtk_widget_get_visible (priv->image))
{
GtkRequisition child_requisition;
gtk_widget_get_preferred_size (priv->image, &child_requisition, NULL);
child_height = child_requisition.height;
}
GTK_WIDGET_CLASS (egg_image_menu_item_parent_class)->get_preferred_height (widget, minimum, natural);
if (pack_dir == GTK_PACK_DIRECTION_RTL || pack_dir == GTK_PACK_DIRECTION_LTR)
{
*minimum = MAX (*minimum, child_height);
*natural = MAX (*natural, child_height);
}
}
static void
egg_image_menu_item_get_preferred_height_for_width (GtkWidget *widget,
gint width,
gint *minimum,
gint *natural)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (widget);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
gint child_height = 0;
GtkPackDirection pack_dir;
GtkWidget *parent;
parent = gtk_widget_get_parent (widget);
if (GTK_IS_MENU_BAR (parent))
pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (parent));
else
pack_dir = GTK_PACK_DIRECTION_LTR;
if (priv->image && gtk_widget_get_visible (priv->image))
{
GtkRequisition child_requisition;
gtk_widget_get_preferred_size (priv->image, &child_requisition, NULL);
child_height = child_requisition.height;
}
GTK_WIDGET_CLASS
(egg_image_menu_item_parent_class)->get_preferred_height_for_width (widget, width, minimum, natural);
if (pack_dir == GTK_PACK_DIRECTION_RTL || pack_dir == GTK_PACK_DIRECTION_LTR)
{
*minimum = MAX (*minimum, child_height);
*natural = MAX (*natural, child_height);
}
}
static void
egg_image_menu_item_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (widget);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
GtkAllocation widget_allocation;
GtkPackDirection pack_dir;
GtkWidget *parent;
parent = gtk_widget_get_parent (widget);
if (GTK_IS_MENU_BAR (parent))
pack_dir = gtk_menu_bar_get_child_pack_direction (GTK_MENU_BAR (parent));
else
pack_dir = GTK_PACK_DIRECTION_LTR;
GTK_WIDGET_CLASS (egg_image_menu_item_parent_class)->size_allocate (widget, allocation);
if (priv->image && gtk_widget_get_visible (priv->image))
{
gint x, y, offset;
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder padding;
GtkRequisition child_requisition;
GtkAllocation child_allocation;
guint horizontal_padding, toggle_spacing;
gint toggle_size;
toggle_size = priv->toggle_size;
gtk_widget_style_get (widget,
"horizontal-padding", &horizontal_padding,
"toggle-spacing", &toggle_spacing,
NULL);
/* Man this is lame hardcoding action, but I can't
* come up with a solution that's really better.
*/
gtk_widget_get_preferred_size (priv->image, &child_requisition, NULL);
gtk_widget_get_allocation (widget, &widget_allocation);
context = gtk_widget_get_style_context (widget);
state = gtk_widget_get_state_flags (widget);
gtk_style_context_get_padding (context, state, &padding);
offset = gtk_container_get_border_width (GTK_CONTAINER (image_menu_item));
if (pack_dir == GTK_PACK_DIRECTION_LTR ||
pack_dir == GTK_PACK_DIRECTION_RTL)
{
if ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) ==
(pack_dir == GTK_PACK_DIRECTION_LTR))
x = offset + horizontal_padding + padding.left +
(toggle_size - toggle_spacing - child_requisition.width) / 2;
else
x = widget_allocation.width - offset - horizontal_padding - padding.right -
toggle_size + toggle_spacing +
(toggle_size - toggle_spacing - child_requisition.width) / 2;
y = (widget_allocation.height - child_requisition.height) / 2;
}
else
{
if ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) ==
(pack_dir == GTK_PACK_DIRECTION_TTB))
y = offset + horizontal_padding + padding.top +
(toggle_size - toggle_spacing - child_requisition.height) / 2;
else
y = widget_allocation.height - offset - horizontal_padding - padding.bottom -
toggle_size + toggle_spacing +
(toggle_size - toggle_spacing - child_requisition.height) / 2;
x = (widget_allocation.width - child_requisition.width) / 2;
}
child_allocation.width = child_requisition.width;
child_allocation.height = child_requisition.height;
child_allocation.x = widget_allocation.x + MAX (x, 0);
child_allocation.y = widget_allocation.y + MAX (y, 0);
gtk_widget_size_allocate (priv->image, &child_allocation);
}
}
static void
egg_image_menu_item_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (container);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
GTK_CONTAINER_CLASS (egg_image_menu_item_parent_class)->forall (container,
include_internals,
callback,
callback_data);
if (include_internals && priv->image)
(* callback) (priv->image, callback_data);
}
GtkWidget*
egg_image_menu_item_new (void)
{
return g_object_new (EGG_TYPE_IMAGE_MENU_ITEM, NULL);
}
GtkWidget*
egg_image_menu_item_new_with_label (const gchar *label)
{
return g_object_new (EGG_TYPE_IMAGE_MENU_ITEM,
"label", label,
NULL);
}
GtkWidget*
egg_image_menu_item_new_with_mnemonic (const gchar *label)
{
return g_object_new (EGG_TYPE_IMAGE_MENU_ITEM,
"use-underline", TRUE,
"label", label,
NULL);
}
void
egg_image_menu_item_set_always_show_image (EggImageMenuItem *image_menu_item,
gboolean always_show)
{
EggImageMenuItemPrivate *priv;
g_return_if_fail (EGG_IS_IMAGE_MENU_ITEM (image_menu_item));
priv = image_menu_item->priv;
if (priv->always_show_image != always_show)
{
priv->always_show_image = always_show;
if (priv->image)
{
if (show_image (image_menu_item))
gtk_widget_show (priv->image);
else
gtk_widget_hide (priv->image);
}
g_object_notify (G_OBJECT (image_menu_item), "always-show-image");
}
}
gboolean
egg_image_menu_item_get_always_show_image (EggImageMenuItem *image_menu_item)
{
g_return_val_if_fail (EGG_IS_IMAGE_MENU_ITEM (image_menu_item), FALSE);
return image_menu_item->priv->always_show_image;
}
void
egg_image_menu_item_set_image (EggImageMenuItem *image_menu_item,
GtkWidget *image)
{
EggImageMenuItemPrivate *priv;
g_return_if_fail (EGG_IS_IMAGE_MENU_ITEM (image_menu_item));
priv = image_menu_item->priv;
if (image == priv->image)
return;
if (priv->image)
gtk_container_remove (GTK_CONTAINER (image_menu_item),
priv->image);
priv->image = image;
if (image == NULL)
return;
gtk_widget_set_parent (image, GTK_WIDGET (image_menu_item));
g_object_set (image,
"visible", show_image (image_menu_item),
"no-show-all", TRUE,
NULL);
g_object_notify (G_OBJECT (image_menu_item), "image");
}
GtkWidget*
egg_image_menu_item_get_image (EggImageMenuItem *image_menu_item)
{
g_return_val_if_fail (EGG_IS_IMAGE_MENU_ITEM (image_menu_item), NULL);
return image_menu_item->priv->image;
}
static void
egg_image_menu_item_remove (GtkContainer *container,
GtkWidget *child)
{
EggImageMenuItem *image_menu_item = EGG_IMAGE_MENU_ITEM (container);
EggImageMenuItemPrivate *priv = image_menu_item->priv;
if (child == priv->image)
{
gboolean widget_was_visible;
widget_was_visible = gtk_widget_get_visible (child);
gtk_widget_unparent (child);
priv->image = NULL;
if (widget_was_visible &&
gtk_widget_get_visible (GTK_WIDGET (container)))
gtk_widget_queue_resize (GTK_WIDGET (container));
g_object_notify (G_OBJECT (image_menu_item), "image");
}
else
{
GTK_CONTAINER_CLASS (egg_image_menu_item_parent_class)->remove (container, child);
}
}
static void
show_image_change_notify (EggImageMenuItem *image_menu_item)
{
EggImageMenuItemPrivate *priv = image_menu_item->priv;
if (priv->image)
{
if (show_image (image_menu_item))
gtk_widget_show (priv->image);
else
gtk_widget_hide (priv->image);
}
}
static void
traverse_container (GtkWidget *widget,
gpointer data)
{
if (EGG_IS_IMAGE_MENU_ITEM (widget))
show_image_change_notify (EGG_IMAGE_MENU_ITEM (widget));
else if (GTK_IS_CONTAINER (widget))
gtk_container_forall (GTK_CONTAINER (widget), traverse_container, NULL);
}
static void
egg_image_menu_item_setting_changed (GtkSettings *settings)
{
GList *list, *l;
list = gtk_window_list_toplevels ();
for (l = list; l; l = l->next)
gtk_container_forall (GTK_CONTAINER (l->data),
traverse_container, NULL);
g_list_free (list);
}
static void
egg_image_menu_item_screen_changed (GtkWidget *widget,
GdkScreen *previous_screen)
{
GtkSettings *settings;
gulong show_image_connection;
if (!gtk_widget_has_screen (widget))
return;
settings = gtk_widget_get_settings (widget);
show_image_connection =
g_signal_handler_find (settings, G_SIGNAL_MATCH_FUNC, 0, 0,
NULL, egg_image_menu_item_setting_changed, NULL);
if (show_image_connection)
return;
g_signal_connect (settings, "notify::gtk-menu-images",
G_CALLBACK (egg_image_menu_item_setting_changed), NULL);
show_image_change_notify (EGG_IMAGE_MENU_ITEM (widget));
}