Added hovering tooltip

gui/src/main.cpp

@@ -105,12 +105,48 @@ int main(int argc, char** argv) {
 #endif
 			camera.ProcessMouseZoom(InputState::mwheelmot_y);
 		}
+		SelectionManager::hoveredIndex = bottom_metal.selectObject(InputState::umpos_x, HEIGHT - InputState::umpos_y, projection, view, model);
+		if (SelectionManager::hoveredIndex != -1) {
+			SelectionManager::hoveredLayerName = bottom_metal.name();
+		}
+		else {
+			SelectionManager::hoveredIndex = bottom_drums.selectObject(InputState::umpos_x, HEIGHT - InputState::umpos_y, projection, view, model);
+			if (SelectionManager::hoveredIndex != -1) {
+				SelectionManager::hoveredLayerName = bottom_drums.name();
+			}
+		}
 
 		/*New Gui Frame*/
 		ImGui_ImplOpenGL3_NewFrame();
 		ImGui_ImplSDL2_NewFrame(infra.window());
 		ImGui::NewFrame();
 
+		/*Hover Tooltip*/
+		if (SelectionManager::hoveredIndex != -1) {
+			ImGui::BeginTooltip();
+			std::string tool_tip_str = "Layer: " + SelectionManager::hoveredLayerName + "\n";
+			tool_tip_str += "Index: " + std::to_string(SelectionManager::hoveredIndex) + "\n";
+			tool_tip_str += "Status: ";
+			switch (MetadataManager::getData(SelectionManager::hoveredLayerName, SelectionManager::hoveredIndex).status) {
+			case 0:
+				tool_tip_str += "good\n";
+				break;
+			case 1:
+				tool_tip_str += "sketch\n";
+				break;
+			case 2:
+				tool_tip_str += "broken\n";
+				break;
+			default:
+				tool_tip_str += "unknown (" + std::to_string(MetadataManager::getData(SelectionManager::hoveredLayerName, SelectionManager::hoveredIndex).status) + ")\n";
+				break;
+			}
+
+			ImGui::Text(tool_tip_str.c_str());
+			ImGui::EndTooltip();
+		}
+
+
 		/*ImGui Windows*/
 		//Info Window
 		ImGui::Begin("Info");