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UI: Undo/Redo Transformations

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Implements undo/redo for transformations of sources, both through
preview and the transformations properties.
This commit is contained in:
Ford Smith
2021-03-22 01:14:37 -04:00
committed by Ford Smith
parent 60d95cb5bd
commit 3a620c485e
8 changed files with 426 additions and 2 deletions
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45
UI/window-basic-preview.cpp
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@@ -36,6 +36,9 @@ OBSBasicPreview::~OBSBasicPreview()
gs_vertexbuffer_destroy(rectFill);
obs_leave_graphics();
if (wrapper)
obs_data_release(wrapper);
}
vec2 OBSBasicPreview::GetMouseEventPos(QMouseEvent *event)
@@ -581,6 +584,11 @@ void OBSBasicPreview::mousePressEvent(QMouseEvent *event)
vec2_zero(&lastMoveOffset);
mousePos = startPos;
if (wrapper)
obs_data_release(wrapper);
wrapper =
obs_scene_save_transform_states(main->GetCurrentScene(), true);
changed = false;
}
void OBSBasicPreview::UpdateCursor(uint32_t &flags)
@@ -713,6 +721,41 @@ void OBSBasicPreview::mouseReleaseEvent(QMouseEvent *event)
hoveredPreviewItems.push_back(item);
selectedItems.clear();
}
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
obs_data_t *rwrapper =
obs_scene_save_transform_states(main->GetCurrentScene(), false);
auto undo_redo = [](const std::string &data) {
obs_data_t *dat = obs_data_create_from_json(data.c_str());
obs_source_t *source = obs_get_source_by_name(
obs_data_get_string(dat, "scene_name"));
reinterpret_cast<OBSBasic *>(App()->GetMainWindow())
->SetCurrentScene(source);
obs_source_release(source);
obs_data_release(dat);
obs_scene_load_transform_states(data.c_str());
};
if (wrapper && rwrapper) {
std::string undo_data(obs_data_get_json(wrapper));
std::string redo_data(obs_data_get_json(rwrapper));
if (changed && undo_data.compare(redo_data) != 0)
main->undo_s.add_action(
QTStr("Undo.Transform")
.arg(obs_source_get_name(
main->GetCurrentSceneSource())),
undo_redo, undo_redo, undo_data, redo_data,
NULL);
}
if (wrapper)
obs_data_release(wrapper);
if (rwrapper)
obs_data_release(rwrapper);
wrapper = NULL;
}
struct SelectedItemBounds {
@@ -1434,6 +1477,8 @@ void OBSBasicPreview::StretchItem(const vec2 &pos)
void OBSBasicPreview::mouseMoveEvent(QMouseEvent *event)
{
changed = true;
if (scrollMode && event->buttons() == Qt::LeftButton) {
scrollingOffset.x += event->x() - scrollingFrom.x;
scrollingOffset.y += event->y() - scrollingFrom.y;