void nsRegionGTK::SetTo(const nsIRegion &aRegion)
{
Init();
nsRegionGTK *pRegion = (nsRegionGTK *)&aRegion;
mRegion = gdk_region_copy(pRegion->mRegion);
}
wxRegionRefData(const wxRegionRefData& refData)
: wxGDIRefData()
{
#ifdef __WXGTK3__
m_region = cairo_region_copy(refData.m_region);
#else
m_region = gdk_region_copy(refData.m_region);
#endif
}
void nsRegionGTK::Union(const nsIRegion &aRegion)
{
nsRegionGTK *pRegion = (nsRegionGTK *)&aRegion;
if (pRegion->mRegion && !::gdk_region_empty(pRegion->mRegion)) {
if (mRegion) {
if (::gdk_region_empty(mRegion)) {
::gdk_region_destroy(mRegion);
mRegion = gdk_region_copy(pRegion->mRegion);
} else {
GdkRegion *nRegion = ::gdk_regions_union(mRegion, pRegion->mRegion);
::gdk_region_destroy(mRegion);
mRegion = nRegion;
}
} else
mRegion = gdk_region_copy(pRegion->mRegion);
}
}
wxRegion::wxRegion( GdkRegion *region )
{
m_refData = new wxRegionRefData();
M_REGIONDATA->m_region = gdk_region_copy( region );
}
wxRegionRefData(const wxRegionRefData& refData)
: wxObjectRefData()
{
m_region = gdk_region_copy(refData.m_region);
}
wxRegion::wxRegion(const GdkRegion* region)
{
m_refData = new wxRegionRefData();
M_REGIONDATA->m_region = gdk_region_copy(const_cast<GdkRegion*>(region));
}
/**
* gdk_event_copy:
* @event: a #GdkEvent
*
* Copies a #GdkEvent, copying or incrementing the reference count of the
* resources associated with it (e.g. #GdkWindow's and strings).
*
* Return value: a copy of @event. The returned #GdkEvent should be freed with
* gdk_event_free().
**/
GdkEvent*
gdk_event_copy (const GdkEvent *event)
{
GdkEventPrivate *new_private;
GdkEvent *new_event;
g_return_val_if_fail (event != NULL, NULL);
new_event = gdk_event_new (GDK_NOTHING);
new_private = (GdkEventPrivate *)new_event;
*new_event = *event;
if (new_event->any.window)
g_object_ref (new_event->any.window);
if (gdk_event_is_allocated (event))
{
GdkEventPrivate *private = (GdkEventPrivate *)event;
new_private->screen = private->screen;
}
switch (event->any.type)
{
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
new_event->key.string = g_strdup (event->key.string);
break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
if (event->crossing.subwindow != NULL)
g_object_ref (event->crossing.subwindow);
break;
case GDK_DRAG_ENTER:
case GDK_DRAG_LEAVE:
case GDK_DRAG_MOTION:
case GDK_DRAG_STATUS:
case GDK_DROP_START:
case GDK_DROP_FINISHED:
g_object_ref (event->dnd.context);
break;
case GDK_EXPOSE:
case GDK_DAMAGE:
if (event->expose.region)
new_event->expose.region = gdk_region_copy (event->expose.region);
break;
case GDK_SETTING:
new_event->setting.name = g_strdup (new_event->setting.name);
break;
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
if (event->button.axes)
new_event->button.axes = g_memdup (event->button.axes,
sizeof (gdouble) * event->button.device->num_axes);
break;
case GDK_MOTION_NOTIFY:
if (event->motion.axes)
new_event->motion.axes = g_memdup (event->motion.axes,
sizeof (gdouble) * event->motion.device->num_axes);
break;
default:
break;
}
if (gdk_event_is_allocated (event))
_gdk_windowing_event_data_copy (event, new_event);
return new_event;
}