variable WIP

src/frontend/window.cpp

@@ -1069,19 +1069,13 @@ bool WatchWindow::draw(Frontend &frontend)
 		for (size_t i = 0; i < extra_slots.size(); ++i)
 		{
 			auto res_idx    = frontend.target->data_idx_for_src_id(extra_slots[i].id);
+			auto no_success = true;
 			if (res_idx)
 			{
 				const auto &node = *frontend.target->data_res_nodes[*res_idx];
-				if (!node.success || node.children.size() != 1)
+				if (node.success && node.children.size() == 1)
-				{
-					// TODO: allow edit
-					ImGui::TableNextRow();
-					ImGui::TableSetColumnIndex(0);
-					ImGui::Text("%s", extra_slots[i].bak.c_str());
-					ImGui::TableNextColumn();
-					ImGui::TextDisabled("<not available>");
-				} else
 				{
+					no_success = false;
 					const auto &child_node =
 					  *frontend.target->data_res_nodes[node.children[0]];
 					this->draw_value(frontend, child_node.type_id, &extra_slots[i],
@@ -1096,6 +1090,69 @@ bool WatchWindow::draw(Frontend &frontend)
 					}
 				}
 			}
+			if (no_success)
+			{
+				auto &slot = extra_slots[i];
+				ImGui::TableNextRow();
+				ImGui::TableSetColumnIndex(0);
+
+				auto is_editing = false;
+				if (slot.is_editing)
+				{
+					is_editing = true;
+					if (slot.edit_was_started)
+					{
+						slot.edit_was_started = false;
+						ImGui::SetKeyboardFocusHere();
+					}
+					if (ImGui::InputText("##dddd", slot.buf, sizeof(slot.buf),
+					                     ImGuiInputTextFlags_AutoSelectAll
+					                       | ImGuiInputTextFlags_EnterReturnsTrue)
+					    && ImGui::IsItemDeactivatedAfterEdit())
+					{
+						if (slot.buf[0] != '\0')
+						{
+							frontend.target->backend->remove_data_node(slot.id);
+							using namespace data::source;
+							frontend.target->backend->add_data_node(Node{
+							  .id   = slot.id,
+							  .type = Node::Type::source,
+							  .data =
+							    Source{.type = Source::Type::variable,
+							           .data = Source::Variable{.expr_path = slot.buf}}});
+						}
+
+						slot.bak        = slot.buf;
+						slot.is_editing = false;
+					}
+					if (ImGui::IsItemDeactivated())
+					{
+						memcpy(slot.buf, slot.bak.data(), slot.bak.size());
+						slot.buf[slot.bak.size()] = '\0';
+						slot.is_editing           = false;
+					}
+				}
+
+				if (!is_editing)
+				{
+					char tree_id_buf[128];
+					std::snprintf(tree_id_buf, sizeof(tree_id_buf), "slot%lu", i);
+					// TODO: better id
+					ImGui::TreeNodeEx(tree_id_buf,
+					                  ImGuiTreeNodeFlags_SpanFullWidth
+					                    | ImGuiTreeNodeFlags_Leaf
+					                    | ImGuiTreeNodeFlags_NoTreePushOnOpen,
+					                  "%s", slot.bak.c_str());
+					if (ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)
+					    && ImGui::IsItemHovered())
+					{
+						slot.is_editing       = true;
+						slot.edit_was_started = true;
+					}
+				}
+				ImGui::TableNextColumn();
+				ImGui::TextDisabled("<not available>");
+			}
 		}
 
 		ImGui::TableNextRow();