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Add the ability to have a slicing plane for one structure only #390

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Add the ability to have a slicing plane for one structure only #390

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19b2f10
feat: add a per-structure slicing plane button
Thibaulltt Mar 25, 2026
9f340c1
fix: don't try to be fancy with names
Thibaulltt Mar 25, 2026
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26 changes: 19 additions & 7 deletions src/structure.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -92,22 +92,34 @@ void Structure::buildUI() {

// Toggle whether slice planes apply
if (ImGui::BeginMenu("Slice planes")) {
if (ImGui::Button("Add slice plane")) {
openSlicePlaneMenu = true;
addSlicePlane();
}
if (ImGui::Button("...for this structure only")) {
openSlicePlaneMenu = true;
SlicePlane* plane = addSlicePlane();
/* Set all structures to ignore this plane, except for this one in particular! */
for (auto const& supermap: state::structures) {
for (auto const& map: supermap.second) {
map.second->setIgnoreSlicePlane(plane->name, supermap.first != this->typeName() or map.first != this->name);
}
}
}
ImGui::Separator();
ImGui::TextUnformatted("Applies to this structure:");
ImGui::Indent(20);
if (state::slicePlanes.empty()) {
// if there are none, show a helpful message
if (ImGui::Button("Add slice plane")) {
openSlicePlaneMenu = true;
addSlicePlane();
}
ImGui::TextWrapped("< none >");
} else {
// otherwise, show toggles for each
ImGui::TextUnformatted("Applies to this structure:");
ImGui::Indent(20);
for (std::unique_ptr<SlicePlane>& s : state::slicePlanes) {
bool ignorePlane = getIgnoreSlicePlane(s->name);
if (ImGui::MenuItem(s->name.c_str(), NULL, !ignorePlane)) setIgnoreSlicePlane(s->name, !ignorePlane);
}
ImGui::Indent(-20);
}
ImGui::Indent(-20);
ImGui::TextUnformatted("");
ImGui::Separator();
ImGui::TextUnformatted("Note: Manage slice planes in");
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