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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/object/persp3d-reference.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-upstream.tar.xz inkscape-upstream.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/object/persp3d-reference.cpp')
-rw-r--r-- | src/object/persp3d-reference.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/object/persp3d-reference.cpp b/src/object/persp3d-reference.cpp new file mode 100644 index 0000000..294c62d --- /dev/null +++ b/src/object/persp3d-reference.cpp @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * The reference corresponding to the inkscape:perspectiveID attribute + * + * Copyright (C) 2007 Johan Engelen + * Copyright (C) 2007 Maximilian Albert + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "persp3d-reference.h" +#include "uri.h" + +static void persp3dreference_href_changed(SPObject *old_ref, SPObject *ref, Persp3DReference *persp3dref); +static void persp3dreference_delete_self(SPObject *deleted, Persp3DReference *persp3dref); +static void persp3dreference_source_modified(SPObject *iSource, guint flags, Persp3DReference *persp3dref); + +Persp3DReference::Persp3DReference(SPObject* i_owner) : URIReference(i_owner) +{ + owner=i_owner; + persp_href = nullptr; + persp_repr = nullptr; + persp = nullptr; + _changed_connection = changedSignal().connect(sigc::bind(sigc::ptr_fun(persp3dreference_href_changed), this)); // listening to myself, this should be virtual instead +} + +Persp3DReference::~Persp3DReference() +{ + _changed_connection.disconnect(); // to do before unlinking + + quit_listening(); + unlink(); +} + +bool +Persp3DReference::_acceptObject(SPObject *obj) const +{ + return SP_IS_PERSP3D(obj) && URIReference::_acceptObject(obj); +; + /* effic: Don't bother making this an inline function: _acceptObject is a virtual function, + typically called from a context where the runtime type is not known at compile time. */ +} + +void +Persp3DReference::unlink() +{ + g_free(persp_href); + persp_href = nullptr; + detach(); +} + +void +Persp3DReference::start_listening(Persp3D* to) +{ + if ( to == nullptr ) { + return; + } + persp = to; + persp_repr = to->getRepr(); + _delete_connection = to->connectDelete(sigc::bind(sigc::ptr_fun(&persp3dreference_delete_self), this)); + _modified_connection = to->connectModified(sigc::bind<2>(sigc::ptr_fun(&persp3dreference_source_modified), this)); +} + +void +Persp3DReference::quit_listening() +{ + if ( persp == nullptr ) { + return; + } + _modified_connection.disconnect(); + _delete_connection.disconnect(); + persp_repr = nullptr; + persp = nullptr; +} + +static void +persp3dreference_href_changed(SPObject */*old_ref*/, SPObject */*ref*/, Persp3DReference *persp3dref) +{ + persp3dref->quit_listening(); + Persp3D *refobj = SP_PERSP3D(persp3dref->getObject()); + if ( refobj ) { + persp3dref->start_listening(refobj); + } + + persp3dref->owner->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); +} + +static void +persp3dreference_delete_self(SPObject */*deleted*/, Persp3DReference *persp3dref) +{ + g_return_if_fail(persp3dref->owner); + persp3dref->owner->deleteObject(); +} + +static void +persp3dreference_source_modified(SPObject */*iSource*/, guint /*flags*/, Persp3DReference *persp3dref) +{ + persp3dref->owner->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); +} + + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |