--- /dev/null
+/* GTK - The GIMP Toolkit
+ *
+ * Copyright (C) 2003 Ricardo Fernandez Pascual
+ * Copyright (C) 2004 Paolo Borelli
+ *
+ * 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 "gtkalias.h"
+#include "gtkmenutoolbutton.h"
+#include "gtkintl.h"
+#include "gtktogglebutton.h"
+#include "gtkarrow.h"
+#include "gtkhbox.h"
+#include "gtkvbox.h"
+#include "gtkmenu.h"
+#include "gtkmain.h"
+
+
+#define GTK_MENU_TOOL_BUTTON_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), GTK_TYPE_MENU_TOOL_BUTTON, GtkMenuToolButtonPrivate))
+
+struct _GtkMenuToolButtonPrivate
+{
+ GtkWidget *button;
+ GtkWidget *arrow;
+ GtkWidget *arrow_button;
+ GtkWidget *box;
+ GtkMenu *menu;
+};
+
+static void gtk_menu_tool_button_init (GtkMenuToolButton *button);
+static void gtk_menu_tool_button_class_init (GtkMenuToolButtonClass *klass);
+static void gtk_menu_tool_button_finalize (GObject *object);
+
+enum
+{
+ MENU_ACTIVATED,
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_MENU,
+ LAST_PROP
+};
+
+static gint signals[LAST_SIGNAL];
+
+static GObjectClass *parent_class = NULL;
+
+GType
+gtk_menu_tool_button_get_type (void)
+{
+ static GType type = 0;
+
+ if (type == 0)
+ {
+ static const GTypeInfo info =
+ {
+ sizeof (GtkMenuToolButtonClass),
+ (GBaseInitFunc) 0,
+ (GBaseFinalizeFunc) 0,
+ (GClassInitFunc) gtk_menu_tool_button_class_init,
+ (GClassFinalizeFunc) 0,
+ NULL,
+ sizeof (GtkMenuToolButton),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gtk_menu_tool_button_init
+ };
+
+ type = g_type_register_static (GTK_TYPE_TOOL_BUTTON,
+ "GtkMenuToolButton",
+ &info, 0);
+ }
+
+ return type;
+}
+
+static gboolean
+gtk_menu_tool_button_set_tooltip (GtkToolItem *tool_item,
+ GtkTooltips *tooltips,
+ const char *tip_text,
+ const char *tip_private)
+{
+ GtkMenuToolButton *button;
+
+ g_return_val_if_fail (GTK_IS_MENU_TOOL_BUTTON (tool_item), FALSE);
+
+ button = GTK_MENU_TOOL_BUTTON (tool_item);
+ gtk_tooltips_set_tip (tooltips, button->priv->button, tip_text, tip_private);
+
+ return TRUE;
+}
+
+static void
+gtk_menu_tool_button_construct_contents (GtkMenuToolButton *button)
+{
+ GtkMenuToolButtonPrivate *priv;
+ GtkWidget *box;
+ GtkOrientation orientation;
+
+ priv = GTK_MENU_TOOL_BUTTON_GET_PRIVATE (button);
+
+ orientation = gtk_tool_item_get_orientation (GTK_TOOL_ITEM (button));
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ box = gtk_hbox_new (FALSE, 0);
+ gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_DOWN, GTK_SHADOW_NONE);
+ }
+ else
+ {
+ box = gtk_vbox_new (FALSE, 0);
+ gtk_arrow_set (GTK_ARROW (priv->arrow), GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
+ }
+
+ if (priv->button && priv->button->parent)
+ {
+ g_object_ref (priv->button);
+ gtk_container_remove (GTK_CONTAINER (priv->button->parent),
+ priv->button);
+ gtk_container_add (GTK_CONTAINER (box), priv->button);
+ g_object_unref (priv->button);
+ }
+
+ if (priv->arrow_button && priv->arrow_button->parent)
+ {
+ g_object_ref (priv->arrow_button);
+ gtk_container_remove (GTK_CONTAINER (priv->arrow_button->parent),
+ priv->arrow_button);
+ gtk_box_pack_end (GTK_BOX (box), priv->arrow_button,
+ FALSE, FALSE, 0);
+ g_object_unref (priv->arrow_button);
+ }
+
+ if (priv->box)
+ {
+ /* Note: we are not destroying the button and the arrow_button
+ * here because they were removed from their container above
+ */
+ gtk_widget_destroy (priv->box);
+ }
+
+ priv->box = box;
+
+ gtk_container_add (GTK_CONTAINER (button), priv->box);
+ gtk_widget_show_all (priv->box);
+
+ gtk_widget_queue_resize (GTK_WIDGET (button));
+}
+
+static void
+gtk_menu_tool_button_toolbar_reconfigured (GtkToolItem *toolitem)
+{
+ gtk_menu_tool_button_construct_contents (GTK_MENU_TOOL_BUTTON (toolitem));
+
+ /* chain up */
+ GTK_TOOL_ITEM_CLASS (parent_class)->toolbar_reconfigured (toolitem);
+}
+
+static void
+gtk_menu_tool_button_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (object);
+
+ switch (prop_id)
+ {
+ case PROP_MENU:
+ gtk_menu_tool_button_set_menu (button, g_value_get_object (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_menu_tool_button_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (object);
+
+ switch (prop_id)
+ {
+ case PROP_MENU:
+ g_value_set_object (value, button->priv->menu);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_menu_tool_button_class_init (GtkMenuToolButtonClass *klass)
+{
+ GObjectClass *object_class;
+ GtkToolItemClass *toolitem_class;
+ GtkToolButtonClass *toolbutton_class;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ object_class = (GObjectClass *)klass;
+ toolitem_class = (GtkToolItemClass *)klass;
+ toolbutton_class = (GtkToolButtonClass *)klass;
+
+ object_class->set_property = gtk_menu_tool_button_set_property;
+ object_class->get_property = gtk_menu_tool_button_get_property;
+ object_class->finalize = gtk_menu_tool_button_finalize;
+ toolitem_class->set_tooltip = gtk_menu_tool_button_set_tooltip;
+ toolitem_class->toolbar_reconfigured = gtk_menu_tool_button_toolbar_reconfigured;
+
+ signals[MENU_ACTIVATED] =
+ g_signal_new ("menu-activated",
+ G_OBJECT_CLASS_TYPE (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GtkMenuToolButtonClass, menu_activated),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ g_object_class_install_property (object_class,
+ PROP_MENU,
+ g_param_spec_object ("menu",
+ P_("Menu"),
+ P_("The dropdown menu"),
+ GTK_TYPE_MENU,
+ G_PARAM_READABLE | G_PARAM_WRITABLE));
+
+ g_type_class_add_private (object_class, sizeof (GtkMenuToolButtonPrivate));
+}
+
+static void
+button_state_changed_cb (GtkWidget *widget,
+ GtkStateType previous_state,
+ GtkMenuToolButton *button)
+{
+ GtkMenuToolButtonPrivate *priv;
+ GtkWidget *b;
+ GtkStateType state = GTK_WIDGET_STATE (widget);
+
+ priv = GTK_MENU_TOOL_BUTTON_GET_PRIVATE (button);
+
+ b = (widget == priv->arrow_button) ? priv->button : priv->arrow_button;
+
+ g_signal_handlers_block_by_func (G_OBJECT (b),
+ G_CALLBACK (button_state_changed_cb),
+ button);
+
+ if (state == GTK_STATE_PRELIGHT &&
+ previous_state != GTK_STATE_ACTIVE)
+ {
+ gtk_widget_set_state (b, state);
+ }
+ else if (state == GTK_STATE_NORMAL)
+ {
+ gtk_widget_set_state (b, state);
+ }
+ else if (state == GTK_STATE_ACTIVE)
+ {
+ gtk_widget_set_state (b, GTK_STATE_NORMAL);
+ }
+
+ g_signal_handlers_unblock_by_func (G_OBJECT (b),
+ G_CALLBACK (button_state_changed_cb),
+ button);
+}
+
+static void
+menu_position_func (GtkMenu *menu,
+ int *x,
+ int *y,
+ gboolean *push_in,
+ GtkMenuToolButton *button)
+{
+ GtkMenuToolButtonPrivate *priv;
+ GtkRequisition req;
+ GtkRequisition menu_req;
+ GtkOrientation orientation;
+ GtkTextDirection direction;
+
+ priv = GTK_MENU_TOOL_BUTTON_GET_PRIVATE (button);
+
+ gdk_window_get_origin (GTK_BUTTON (priv->arrow_button)->event_window, x, y);
+ gtk_widget_size_request (priv->arrow_button, &req);
+ gtk_widget_size_request (GTK_WIDGET (priv->menu), &menu_req);
+
+ orientation = gtk_tool_item_get_orientation (GTK_TOOL_ITEM (button));
+ direction = gtk_widget_get_direction (GTK_WIDGET (priv->arrow_button));
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ if (direction == GTK_TEXT_DIR_LTR)
+ *x += priv->arrow_button->allocation.width - req.width;
+ else
+ *x += req.width - menu_req.width;
+ *y += priv->arrow_button->allocation.height;
+ }
+ else
+ {
+ if (direction == GTK_TEXT_DIR_LTR)
+ *x += priv->arrow_button->allocation.width;
+ else
+ *x -= menu_req.width;
+ *y += priv->arrow_button->allocation.height - req.height;
+ }
+
+ *push_in = TRUE;
+}
+
+static void
+popup_menu_under_arrow (GtkMenuToolButton *button,
+ GdkEventButton *event)
+{
+ GtkMenuToolButtonPrivate *priv;
+
+ priv = GTK_MENU_TOOL_BUTTON_GET_PRIVATE (button);
+
+ g_signal_emit (button, signals[MENU_ACTIVATED], 0);
+
+ if (!priv->menu)
+ return;
+
+ gtk_menu_popup (priv->menu, NULL, NULL,
+ (GtkMenuPositionFunc) menu_position_func,
+ button,
+ event ? event->button : 0,
+ event ? event->time : gtk_get_current_event_time ());
+}
+
+static void
+arrow_button_toggled_cb (GtkToggleButton *togglebutton,
+ GtkMenuToolButton *button)
+{
+ GtkMenuToolButtonPrivate *priv;
+
+ priv = GTK_MENU_TOOL_BUTTON_GET_PRIVATE (button);
+
+ if (!priv->menu)
+ return;
+
+ if (gtk_toggle_button_get_active (togglebutton) &&
+ !GTK_WIDGET_VISIBLE (priv->menu))
+ {
+ /* we get here only when the menu is activated by a key
+ * press, so that we can select the first menu item */
+ popup_menu_under_arrow (button, NULL);
+ gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->menu), FALSE);
+ }
+}
+
+static gboolean
+arrow_button_button_press_event_cb (GtkWidget *widget,
+ GdkEventButton *event,
+ GtkMenuToolButton *button)
+{
+ popup_menu_under_arrow (button, event);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
+
+ return TRUE;
+}
+
+static void
+gtk_menu_tool_button_init (GtkMenuToolButton *button)
+{
+ GtkWidget *box;
+ GtkWidget *arrow;
+ GtkWidget *arrow_button;
+ GtkWidget *real_button;
+
+ button->priv = GTK_MENU_TOOL_BUTTON_GET_PRIVATE (button);
+
+ gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (button), FALSE);
+
+ box = gtk_hbox_new (FALSE, 0);
+
+ real_button = GTK_BIN (button)->child;
+ g_object_ref (real_button);
+ gtk_container_remove (GTK_CONTAINER (button), real_button);
+ gtk_container_add (GTK_CONTAINER (box), real_button);
+ g_object_unref (real_button);
+
+ arrow_button = gtk_toggle_button_new ();
+ arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
+ gtk_button_set_relief (GTK_BUTTON (arrow_button), GTK_RELIEF_NONE);
+ gtk_container_add (GTK_CONTAINER (arrow_button), arrow);
+ gtk_box_pack_end (GTK_BOX (box), arrow_button,
+ FALSE, FALSE, 0);
+
+ /* the arrow button is insentive until we set a menu */
+ gtk_widget_set_sensitive (arrow_button, FALSE);
+
+ gtk_widget_show_all (box);
+
+ gtk_container_add (GTK_CONTAINER (button), box);
+
+ button->priv->button = real_button;
+ button->priv->arrow = arrow;
+ button->priv->arrow_button = arrow_button;
+ button->priv->box = box;
+
+ g_signal_connect (real_button, "state_changed",
+ G_CALLBACK (button_state_changed_cb), button);
+ g_signal_connect (arrow_button, "state_changed",
+ G_CALLBACK (button_state_changed_cb), button);
+ g_signal_connect (arrow_button, "toggled",
+ G_CALLBACK (arrow_button_toggled_cb), button);
+ g_signal_connect (arrow_button, "button_press_event",
+ G_CALLBACK (arrow_button_button_press_event_cb), button);
+}
+
+static void
+gtk_menu_tool_button_finalize (GObject *object)
+{
+ GtkMenuToolButton *button;
+
+ button = GTK_MENU_TOOL_BUTTON (object);
+
+ if (button->priv->menu)
+ g_object_unref (button->priv->menu);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+/**
+ * gtk_menu_tool_button_new:
+ * @icon_widget: a widget that will be used as icon widget, or %NULL
+ * @label: a string that will be used as label, or %NULL
+ *
+ * Creates a new #GtkMenuToolButton using @icon_widget as icon and
+ * @label as label.
+ *
+ * Return value: the new #GtkMenuToolButton
+ *
+ * Since: 2.6
+ **/
+GtkToolItem *
+gtk_menu_tool_button_new (GtkWidget *icon_widget,
+ const gchar *label)
+{
+ GtkMenuToolButton *button;
+
+ button = g_object_new (GTK_TYPE_MENU_TOOL_BUTTON, NULL);
+
+ if (label)
+ gtk_tool_button_set_label (GTK_TOOL_BUTTON (button), label);
+
+ if (icon_widget)
+ gtk_tool_button_set_icon_widget (GTK_TOOL_BUTTON (button), icon_widget);
+
+ return GTK_TOOL_ITEM (button);
+}
+
+/**
+ * gtk_menu_tool_button_new_from_stock:
+ * @stock_id: the name of a stock item
+ *
+ * Creates a new #GtkMenuToolButton.
+ * The new #GtkMenuToolButton will contain an icon and label from
+ * the stock item indicated by @stock_id.
+ *
+ * Return value: the new #GtkMenuToolButton
+ *
+ * Since: 2.6
+ **/
+GtkToolItem *
+gtk_menu_tool_button_new_from_stock (const gchar *stock_id)
+{
+ GtkMenuToolButton *button;
+
+ g_return_val_if_fail (stock_id != NULL, NULL);
+
+ button = g_object_new (GTK_TYPE_MENU_TOOL_BUTTON,
+ "stock_id", stock_id,
+ NULL);
+
+ return GTK_TOOL_ITEM (button);
+}
+
+/* Callback for the "deactivate" signal on the pop-up menu.
+ * This is used so that we unset the state of the toggle button
+ * when the pop-up menu disappears.
+ */
+static int
+menu_deactivate_cb (GtkMenuShell *menu_shell,
+ GtkMenuToolButton *button)
+{
+ GtkMenuToolButtonPrivate *priv = button->priv;
+
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->arrow_button), FALSE);
+
+ return TRUE;
+}
+
+/**
+ * gtk_menu_tool_button_set_menu:
+ * @button: a #GtkMenuToolButton
+ * @menu: the #GtkMenu associated with #GtkMenuToolButton
+ *
+ * Sets the #GtkMenu that is popped up when the user clicks on the arrow.
+ * If @menu is NULL, the arrow button becomes insensitive.
+ *
+ * Since: 2.6
+ **/
+void
+gtk_menu_tool_button_set_menu (GtkMenuToolButton *button,
+ GtkWidget *menu)
+{
+ GtkMenuToolButtonPrivate *priv;
+
+ g_return_if_fail (GTK_IS_MENU_TOOL_BUTTON (button));
+ g_return_if_fail (GTK_IS_MENU (menu) || menu == NULL);
+
+ priv = button->priv;
+
+ if (priv->menu != GTK_MENU (menu))
+ {
+ if (priv->menu)
+ g_object_unref (priv->menu);
+
+ priv->menu = GTK_MENU (menu);
+
+ if (priv->menu)
+ {
+ g_object_ref (priv->menu);
+ gtk_object_sink (GTK_OBJECT (priv->menu));
+
+ gtk_widget_set_sensitive (priv->arrow_button, TRUE);
+
+ g_signal_connect (button->priv->menu, "deactivate",
+ G_CALLBACK (menu_deactivate_cb), button);
+ }
+ else
+ gtk_widget_set_sensitive (priv->arrow_button, FALSE);
+ }
+
+ g_object_notify (G_OBJECT (button), "menu");
+}
+
+/**
+ * gtk_menu_tool_button_get_menu:
+ * @button: a #GtkMenuToolButton
+ * @menu: the #GtkMenu associated with #GtkMenuToolButton
+ *
+ * Gets the #GtkMenu associated with #GtkMenuToolButton.
+ *
+ * Return value: the #GtkMenu associated with #GtkMenuToolButton
+ *
+ * Since: 2.6
+ **/
+GtkWidget *
+gtk_menu_tool_button_get_menu (GtkMenuToolButton *button)
+{
+ g_return_val_if_fail (GTK_IS_MENU_TOOL_BUTTON (button), NULL);
+
+ return GTK_WIDGET (button->priv->menu);
+}
+
+/**
+ * gtk_menu_tool_set_arrow_tooltip:
+ * @button: a #GtkMenuToolButton
+ * @tooltips: the #GtkTooltips object to be used
+ * @tip_text: text to be used as tooltip text for tool_item
+ * @tip_private: text to be used as private tooltip text
+ *
+ * Sets the #GtkTooltips object to be used for arrow button which
+ * pops up the menu. See gtk_tool_item_set_tooltip() for setting
+ * a tooltip on the whole #GtkMenuToolButton.
+ *
+ * Since: 2.6
+ **/
+void
+gtk_menu_tool_button_set_arrow_tooltip (GtkMenuToolButton *button,
+ GtkTooltips *tooltips,
+ const gchar *tip_text,
+ const gchar *tip_private)
+{
+ g_return_if_fail (GTK_IS_MENU_TOOL_BUTTON (button));
+
+ gtk_tooltips_set_tip (tooltips, button->priv->arrow_button, tip_text, tip_private);
+}
+
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