WebContextMenuProxyGtk.cpp [plain text]
#include "config.h"
#include "WebContextMenuProxyGtk.h"
#include "NativeWebMouseEvent.h"
#include "WebContextMenuItemData.h"
#include "WebPageProxy.h"
#include <WebCore/ContextMenu.h>
#include <WebCore/GtkUtilities.h>
#include <gtk/gtk.h>
#include <wtf/text/CString.h>
static const char* gContextMenuActionId = "webkit-context-menu-action";
using namespace WebCore;
namespace WebKit {
static void contextMenuItemActivatedCallback(GtkAction* action, WebPageProxy* page)
{
gboolean isToggle = GTK_IS_TOGGLE_ACTION(action);
WebKit::WebContextMenuItemData item(isToggle ? WebCore::CheckableActionType : WebCore::ActionType,
static_cast<WebCore::ContextMenuAction>(GPOINTER_TO_INT(g_object_get_data(G_OBJECT(action), gContextMenuActionId))),
gtk_action_get_label(action), gtk_action_get_sensitive(action),
isToggle ? gtk_toggle_action_get_active(GTK_TOGGLE_ACTION(action)) : false);
page->contextMenuItemSelected(item);
}
GtkMenu* WebContextMenuProxyGtk::createGtkMenu(const Vector<WebContextMenuItemData>& items)
{
ContextMenu menu;
for (size_t i = 0; i < items.size(); i++) {
const WebContextMenuItemData& item = items.at(i);
ContextMenuItem menuItem(item.type(), item.action(), item.title(), item.enabled(), item.checked());
GtkAction* action = menuItem.gtkAction();
if (action && (item.type() == WebCore::ActionType || item.type() == WebCore::CheckableActionType)) {
g_object_set_data(G_OBJECT(action), gContextMenuActionId, GINT_TO_POINTER(item.action()));
g_signal_connect(action, "activate", G_CALLBACK(contextMenuItemActivatedCallback), m_page);
}
if (item.type() == WebCore::SubmenuType) {
ContextMenu subMenu(createGtkMenu(item.submenu()));
menuItem.setSubMenu(&subMenu);
}
menu.appendItem(menuItem);
}
return menu.releasePlatformDescription();
}
void WebContextMenuProxyGtk::showContextMenu(const WebCore::IntPoint& position, const Vector<WebContextMenuItemData>& items)
{
if (items.isEmpty())
return;
m_popup = createGtkMenu(items);
m_popupPosition = convertWidgetPointToScreenPoint(m_webView, position);
NativeWebMouseEvent* mouseEvent = m_page->currentlyProcessedMouseDownEvent();
const GdkEvent* event = mouseEvent ? mouseEvent->nativeEvent() : 0;
gtk_menu_popup(m_popup, 0, 0, reinterpret_cast<GtkMenuPositionFunc>(menuPositionFunction), this,
event ? event->button.button : 3, event ? event->button.time : GDK_CURRENT_TIME);
}
void WebContextMenuProxyGtk::hideContextMenu()
{
gtk_menu_popdown(m_popup);
}
WebContextMenuProxyGtk::WebContextMenuProxyGtk(GtkWidget* webView, WebPageProxy* page)
: m_webView(webView)
, m_page(page)
, m_popup(0)
{
}
WebContextMenuProxyGtk::~WebContextMenuProxyGtk()
{
if (m_popup)
gtk_widget_destroy(GTK_WIDGET(m_popup));
}
void WebContextMenuProxyGtk::menuPositionFunction(GtkMenu* menu, gint* x, gint* y, gboolean* pushIn, WebContextMenuProxyGtk* popupMenu)
{
GtkRequisition menuSize;
gtk_widget_get_preferred_size(GTK_WIDGET(menu), &menuSize, 0);
GdkScreen* screen = gtk_widget_get_screen(popupMenu->m_webView);
*x = popupMenu->m_popupPosition.x();
if ((*x + menuSize.width) >= gdk_screen_get_width(screen))
*x -= menuSize.width;
*y = popupMenu->m_popupPosition.y();
if ((*y + menuSize.height) >= gdk_screen_get_height(screen))
*y -= menuSize.height;
*pushIn = FALSE;
}
}