static void
drag_grab_motion(struct weston_pointer_grab *grab, uint32_t time,
wl_fixed_t x, wl_fixed_t y)
{
struct weston_pointer_drag *drag =
container_of(grab, struct weston_pointer_drag, grab);
struct weston_pointer *pointer = drag->grab.pointer;
float fx, fy;
wl_fixed_t sx, sy;
weston_pointer_move(pointer, x, y);
if (drag->base.icon) {
fx = wl_fixed_to_double(pointer->x) + drag->base.dx;
fy = wl_fixed_to_double(pointer->y) + drag->base.dy;
weston_view_set_position(drag->base.icon, fx, fy);
weston_view_schedule_repaint(drag->base.icon);
}
if (drag->base.focus_resource) {
weston_view_from_global_fixed(drag->base.focus,
pointer->x, pointer->y,
&sx, &sy);
wl_data_device_send_motion(drag->base.focus_resource, time, sx, sy);
}
}
namespace WPE {
Shell::Shell(Environment& environment)
: m_environment(environment)
{
auto* compositor = m_environment.compositor();
weston_compositor_set_default_pointer_grab(compositor, &m_pgInterface);
weston_compositor_set_default_keyboard_grab(compositor, &m_kgInterface);
weston_compositor_set_default_touch_grab(compositor, &m_tgInterface);
}
const struct weston_pointer_grab_interface Shell::m_pgInterface = {
// focus
[](struct weston_pointer_grab*) { },
// motion
[](struct weston_pointer_grab* grab, uint32_t time, wl_fixed_t x, wl_fixed_t y)
{
struct weston_pointer* pointer = grab->pointer;
weston_pointer_move(pointer, x, y);
int newX = wl_fixed_to_int(pointer->x);
int newY = wl_fixed_to_int(pointer->y);
Shell::instance().m_environment.updateCursorPosition(newX, newY);
WPE::Input::Server::singleton().servePointerEvent({
WPE::Input::PointerEvent::Motion,
time, newX, newY, 0, 0
});
},
// button
[](struct weston_pointer_grab* grab, uint32_t time, uint32_t button, uint32_t state)
{
WPE::Input::Server::singleton().servePointerEvent({
WPE::Input::PointerEvent::Button,
time, 0, 0, button, state
});
},
// axis
[](struct weston_pointer_grab* grab, uint32_t time, uint32_t axis, wl_fixed_t value)
{
// Multiply the delta value by -4 to turn it into a more acceptable direction,
// and to increase the pixel step into something more ... efficient.
WPE::Input::Server::singleton().serveAxisEvent({
WPE::Input::AxisEvent::Motion,
time, axis, -4 * wl_fixed_to_int(value)
});
},
// cancel
[](struct weston_pointer_grab*) { }
};
const struct weston_keyboard_grab_interface Shell::m_kgInterface = {
// key
[](struct weston_keyboard_grab*, uint32_t time, uint32_t key, uint32_t state)
{
WPE::Input::Server::singleton().serveKeyboardEvent({ time, key, state });
},
// modifiers
[](struct weston_keyboard_grab*, uint32_t serial, uint32_t depressed,
uint32_t latched, uint32_t locked, uint32_t group)
{ },
// cancel
[](struct weston_keyboard_grab*) { }
};
const struct weston_touch_grab_interface Shell::m_tgInterface = {
// down
[](struct weston_touch_grab*, uint32_t time, int id, wl_fixed_t x, wl_fixed_t y)
{
WPE::Input::Server::singleton().serveTouchEvent({
WPE::Input::TouchEvent::Down,
time, id, wl_fixed_to_int(x), wl_fixed_to_int(y)
});
},
// up
[](struct weston_touch_grab*, uint32_t time, int id)
{
WPE::Input::Server::singleton().serveTouchEvent({
WPE::Input::TouchEvent::Up,
time, id, 0, 0
});
},
// motion
[](struct weston_touch_grab*, uint32_t time, int id, wl_fixed_t x, wl_fixed_t y)
{
WPE::Input::Server::singleton().serveTouchEvent({
WPE::Input::TouchEvent::Motion,
time, id, wl_fixed_to_int(x), wl_fixed_to_int(y)
});
},
// frame
[](struct weston_touch_grab*) { },
// cancel
[](struct weston_touch_grab*) { }
};
Shell* Shell::m_instance = nullptr;
gpointer Shell::launchWPE(gpointer data)
{
Shell::m_instance = static_cast<Shell*>(data);
GMainContext* threadContext = g_main_context_new();
GMainLoop* threadLoop = g_main_loop_new(threadContext, FALSE);
g_main_context_push_thread_default(threadContext);
auto pageGroupIdentifier = adoptWK(WKStringCreateWithUTF8CString("WPEPageGroup"));
auto pageGroup = adoptWK(WKPageGroupCreateWithIdentifier(pageGroupIdentifier.get()));
auto context = adoptWK(WKContextCreate());
Shell::instance().m_view = adoptWK(WKViewCreate(context.get(), pageGroup.get()));
auto view = Shell::instance().m_view.get();
WKViewResize(view, Shell::instance().m_environment.outputSize());
WKViewMakeWPEInputTarget(view);
const char* url = g_getenv("WPE_SHELL_URL");
if (!url)
url = "http://www.webkit.org/blog-files/3d-transforms/poster-circle.html";
auto shellURL = adoptWK(WKURLCreateWithUTF8CString(url));
WKPageLoadURL(WKViewGetPage(view), shellURL.get());
g_main_loop_run(threadLoop);
return nullptr;
}
} // namespace WPE