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/*
* Copyright (C) 2019 Igalia S.L.
*
* 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 "PointerLockManagerX11.h"
#if PLATFORM(X11)
#include "WebPageProxy.h"
#include <X11/Xlib.h>
#include <gtk/gtk.h>
#include <wtf/TZoneMallocInlines.h>
#include <wtf/glib/GRefPtr.h>
#if USE(GTK4)
#include <gdk/x11/gdkx.h>
#else
#include <gdk/gdkx.h>
#endif
namespace WebKit {
using namespace WebCore;
WTF_MAKE_TZONE_ALLOCATED_IMPL(PointerLockManagerX11);
PointerLockManagerX11::PointerLockManagerX11(WebPageProxy& webPage, const FloatPoint& position, const FloatPoint& globalPosition, WebMouseEventButton button, unsigned short buttons, OptionSet<WebEventModifier> modifiers)
: PointerLockManager(webPage, position, globalPosition, button, buttons, modifiers)
{
}
bool PointerLockManagerX11::lock()
{
if (!PointerLockManager::lock())
return false;
auto* viewWidget = m_webPage.viewWidget();
auto* display = gtk_widget_get_display(viewWidget);
auto* xDisplay = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(viewWidget));
#if USE(GTK4)
GRefPtr<GdkCursor> cursor = adoptGRef(gdk_cursor_new_from_name("none", nullptr));
auto window = GDK_SURFACE_XID(gtk_native_get_surface(gtk_widget_get_native(viewWidget)));
auto xCursor = gdk_x11_display_get_xcursor(display, cursor.get());
#else
GRefPtr<GdkCursor> cursor = adoptGRef(gdk_cursor_new_from_name(display, "none"));
auto window = GDK_WINDOW_XID(gtk_widget_get_window(viewWidget));
auto xCursor = gdk_x11_cursor_get_xcursor(cursor.get());
#endif
int eventMask = PointerMotionMask | ButtonReleaseMask | ButtonPressMask | EnterWindowMask | LeaveWindowMask;
XUngrabPointer(xDisplay, 0);
return XGrabPointer(xDisplay, window, true, eventMask, GrabModeAsync, GrabModeAsync, window, xCursor, 0) == GrabSuccess;
}
bool PointerLockManagerX11::unlock()
{
if (m_device)
XUngrabPointer(GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_webPage.viewWidget())), 0);
return PointerLockManager::unlock();
}
void PointerLockManagerX11::didReceiveMotionEvent(const FloatPoint& point)
{
auto delta = IntSize(point - m_initialPoint);
if (delta.isZero())
return;
handleMotion(delta);
auto* display = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(m_webPage.viewWidget()));
float scaleFactor = m_webPage.deviceScaleFactor();
IntSize warp = delta;
warp.scale(-scaleFactor);
XWarpPointer(display, None, None, 0, 0, 0, 0, warp.width(), warp.height());
}
} // namespace WebKit
#endif // PLATFORM(WAYLAND)
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