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/*
* Copyright (C) 2017 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebKitOptionMenu.h"
#include "WebKitOptionMenuItemPrivate.h"
#include "WebKitOptionMenuPrivate.h"
#include <wtf/glib/WTFGType.h>
#if PLATFORM(GTK)
#include <WebCore/GRefPtrGtk.h>
#include <WebCore/GUniquePtrGtk.h>
#endif
using namespace WebKit;
/**
* WebKitOptionMenu:
*
* Represents the dropdown menu of a `select` element in a #WebKitWebView.
*
* When a select element in a #WebKitWebView needs to display a dropdown menu, the signal
* #WebKitWebView::show-option-menu is emitted, providing a WebKitOptionMenu with the
* #WebKitOptionMenuItem<!-- -->s that should be displayed.
*
* Since: 2.18
*/
struct _WebKitOptionMenuPrivate {
Vector<WebKitOptionMenuItem> items;
RefPtr<WebKitPopupMenu> popupMenu;
};
enum {
CLOSE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0, };
WEBKIT_DEFINE_TYPE(WebKitOptionMenu, webkit_option_menu, G_TYPE_OBJECT)
static void webkit_option_menu_class_init(WebKitOptionMenuClass* optionMenuClass)
{
/**
* WebKitOptionMenu::close:
* @menu: the #WebKitOptionMenu on which the signal is emitted
*
* Emitted when closing a #WebKitOptionMenu is requested. This can happen
* when the user explicitly calls webkit_option_menu_close() or when the
* element is detached from the current page.
*
* Since: 2.18
*/
signals[CLOSE] =
g_signal_new("close",
G_TYPE_FROM_CLASS(optionMenuClass),
G_SIGNAL_RUN_LAST,
0, nullptr, nullptr,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
WebKitOptionMenu* webkitOptionMenuCreate(WebKitPopupMenu& popupMenu, const Vector<WebPopupItem>& items, int32_t selectedIndex)
{
auto* menu = WEBKIT_OPTION_MENU(g_object_new(WEBKIT_TYPE_OPTION_MENU, nullptr));
menu->priv->popupMenu = &popupMenu;
menu->priv->items.reserveInitialCapacity(items.size());
for (const auto& item : items)
menu->priv->items.uncheckedAppend(WebKitOptionMenuItem(item));
if (selectedIndex >= 0) {
ASSERT(static_cast<unsigned>(selectedIndex) < menu->priv->items.size());
menu->priv->items[selectedIndex].isSelected = true;
}
return menu;
}
/**
* webkit_option_menu_get_n_items:
* @menu: a #WebKitOptionMenu
*
* Gets the length of the @menu.
*
* Returns: the number of #WebKitOptionMenuItem<!-- -->s in @menu
*
* Since: 2.18
*/
guint webkit_option_menu_get_n_items(WebKitOptionMenu* menu)
{
g_return_val_if_fail(WEBKIT_IS_OPTION_MENU(menu), 0);
return menu->priv->items.size();
}
/**
* webkit_option_menu_get_item:
* @menu: a #WebKitOptionMenu
* @index: the index of the item
*
* Returns the #WebKitOptionMenuItem at @index in @menu.
*
* Returns: (transfer none): a #WebKitOptionMenuItem of @menu.
*
* Since: 2.18
*/
WebKitOptionMenuItem* webkit_option_menu_get_item(WebKitOptionMenu* menu, guint index)
{
g_return_val_if_fail(WEBKIT_IS_OPTION_MENU(menu), nullptr);
g_return_val_if_fail(index < menu->priv->items.size(), nullptr);
return &menu->priv->items[index];
}
/**
* webkit_option_menu_select_item:
* @menu: a #WebKitOptionMenu
* @index: the index of the item
*
* Selects the #WebKitOptionMenuItem at @index in @menu.
*
* Selecting an item changes the
* text shown by the combo button, but it doesn't change the value of the element. You need to
* explicitly activate the item with webkit_option_menu_select_item() or close the menu with
* webkit_option_menu_close() in which case the currently selected item will be activated.
*
* Since: 2.18
*/
void webkit_option_menu_select_item(WebKitOptionMenu* menu, guint index)
{
g_return_if_fail(WEBKIT_IS_OPTION_MENU(menu));
g_return_if_fail(index < menu->priv->items.size());
menu->priv->popupMenu->selectItem(index);
}
/**
* webkit_option_menu_activate_item:
* @menu: a #WebKitOptionMenu
* @index: the index of the item
*
* Activates the #WebKitOptionMenuItem at @index in @menu.
*
* Activating an item changes the value
* of the element making the item the active one. You are expected to close the menu with
* webkit_option_menu_close() after activating an item, calling this function again will have no
* effect.
*
* Since: 2.18
*/
void webkit_option_menu_activate_item(WebKitOptionMenu* menu, guint index)
{
g_return_if_fail(WEBKIT_IS_OPTION_MENU(menu));
g_return_if_fail(index < menu->priv->items.size());
menu->priv->popupMenu->activateItem(index);
}
/**
* webkit_option_menu_close:
* @menu: a #WebKitOptionMenu
*
* Request to close a #WebKitOptionMenu.
*
* This emits WebKitOptionMenu::close signal.
* This function should always be called to notify WebKit that the associated
* menu has been closed. If the menu is closed and neither webkit_option_menu_select_item()
* nor webkit_option_menu_activate_item() have been called, the element value remains
* unchanged.
*
* Since: 2.18
*/
void webkit_option_menu_close(WebKitOptionMenu* menu)
{
g_return_if_fail(WEBKIT_IS_OPTION_MENU(menu));
g_signal_emit(menu, signals[CLOSE], 0, nullptr);
}
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