1 files changed, 180 insertions, 0 deletions
diff --git a/WebCore/platform/gtk/WidgetGtk.cpp b/WebCore/platform/gtk/WidgetGtk.cpp
new file mode 100644
index 0000000..82fed74
--- /dev/null
+++ b/WebCore/platform/gtk/WidgetGtk.cpp
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
+ * Copyright (C) 2007 Holger Hans Peter Freyther
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "Widget.h"
+
+#include "Cursor.h"
+#include "FrameView.h"
+#include "GraphicsContext.h"
+#include "HostWindow.h"
+#include "IntRect.h"
+#include "NotImplemented.h"
+#include "RenderObject.h"
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
+namespace WebCore {
+
+class WidgetPrivate {
+public:
+    GdkCursor* cursor;
+};
+
+Widget::Widget(PlatformWidget widget)
+    : m_data(new WidgetPrivate)
+{
+    init(widget);
+    m_data->cursor = 0;
+}
+
+Widget::~Widget()
+{
+    ASSERT(!parent());
+    releasePlatformWidget();
+    delete m_data;
+}
+
+void Widget::setFocus()
+{
+    gtk_widget_grab_focus(platformWidget() ? platformWidget() : GTK_WIDGET(root()->hostWindow()->platformWindow()));
+}
+
+Cursor Widget::cursor()
+{
+    return Cursor(m_data->cursor);
+}
+
+static GdkDrawable* gdkDrawable(PlatformWidget widget)
+{
+    return widget ? widget->window : 0;
+}
+    
+void Widget::setCursor(const Cursor& cursor)
+{
+    GdkCursor* pcur = cursor.impl();
+
+    // http://bugs.webkit.org/show_bug.cgi?id=16388
+    // [GTK] Widget::setCursor() gets called frequently
+    //
+    // gdk_window_set_cursor() in certain GDK backends seems to be an
+    // expensive operation, so avoid it if possible.
+
+    if (pcur == m_data->cursor)
+        return;
+
+    gdk_window_set_cursor(gdkDrawable(platformWidget()) ? GDK_WINDOW(gdkDrawable(platformWidget())) : GTK_WIDGET(root()->hostWindow()->platformWindow())->window, pcur);
+    m_data->cursor = pcur;
+}
+
+void Widget::show()
+{
+    if (!platformWidget())
+         return;
+    gtk_widget_show(platformWidget());
+}
+
+void Widget::hide()
+{
+    if (!platformWidget())
+         return;
+    gtk_widget_hide(platformWidget());
+}
+
+/*
+ * Strategy to painting a Widget:
+ *  1.) do not paint if there is no GtkWidget set
+ *  2.) We assume that GTK_NO_WINDOW is set and that frameRectsChanged positioned
+ *      the widget correctly. ATM we do not honor the GraphicsContext translation.
+ */
+void Widget::paint(GraphicsContext* context, const IntRect&)
+{
+    if (!platformWidget())
+        return;
+
+    if (!context->gdkExposeEvent())
+        return;
+
+    GtkWidget* widget = platformWidget();
+    ASSERT(GTK_WIDGET_NO_WINDOW(widget));
+
+    GdkEvent* event = gdk_event_new(GDK_EXPOSE);
+    event->expose = *context->gdkExposeEvent();
+    event->expose.region = gtk_widget_region_intersect(widget, event->expose.region);
+
+    /*
+     * This will be unref'ed by gdk_event_free.
+     */
+    g_object_ref(event->expose.window);
+
+    /*
+     * If we are going to paint do the translation and GtkAllocation manipulation.
+     */
+    if (!gdk_region_empty(event->expose.region)) {
+        gdk_region_get_clipbox(event->expose.region, &event->expose.area);
+        gtk_widget_send_expose(widget, event);
+    }
+
+    gdk_event_free(event);
+}
+
+void Widget::setIsSelected(bool)
+{
+    notImplemented();
+}
+
+IntRect Widget::frameRect() const
+{
+    return m_frame;
+}
+
+void Widget::setFrameRect(const IntRect& rect)
+{
+    m_frame = rect;
+}
+
+void Widget::releasePlatformWidget()
+{
+    if (!platformWidget())
+         return;
+    g_object_unref(platformWidget());
+}
+
+void Widget::retainPlatformWidget()
+{
+    if (!platformWidget())
+         return;
+#if GLIB_CHECK_VERSION(2,10,0)
+    g_object_ref_sink(platformWidget());
+#else
+    g_object_ref(platformWidget());
+    gtk_object_sink(GTK_OBJECT(platformWidget()));
+#endif
+}
+
+}