| 8739 | } |
| 8740 | |
| 8741 | void ImGui::SetNavFocusScope(ImGuiID focus_scope_id) |
| 8742 | { |
| 8743 | ImGuiContext& g = *GImGui; |
| 8744 | g.NavFocusScopeId = focus_scope_id; |
| 8745 | g.NavFocusRoute.resize(0); // Invalidate |
| 8746 | if (focus_scope_id == 0) |
| 8747 | return; |
| 8748 | IM_ASSERT(g.NavWindow != NULL); |
| 8749 | |
| 8750 | // Store current path (in reverse order) |
| 8751 | if (focus_scope_id == g.CurrentFocusScopeId) |
| 8752 | { |
| 8753 | // Top of focus stack contains local focus scopes inside current window |
| 8754 | for (int n = g.FocusScopeStack.Size - 1; n >= 0 && g.FocusScopeStack.Data[n].WindowID == g.CurrentWindow->ID; n--) |
| 8755 | g.NavFocusRoute.push_back(g.FocusScopeStack.Data[n]); |
| 8756 | } |
| 8757 | else if (focus_scope_id == g.NavWindow->NavRootFocusScopeId) |
| 8758 | g.NavFocusRoute.push_back({ focus_scope_id, g.NavWindow->ID }); |
| 8759 | else |
| 8760 | return; |
| 8761 | |
| 8762 | // Then follow on manually set ParentWindowForFocusRoute field (#6798) |
| 8763 | for (ImGuiWindow* window = g.NavWindow->ParentWindowForFocusRoute; window != NULL; window = window->ParentWindowForFocusRoute) |
| 8764 | g.NavFocusRoute.push_back({ window->NavRootFocusScopeId, window->ID }); |
| 8765 | IM_ASSERT(g.NavFocusRoute.Size < 100); // Maximum depth is technically 251 as per CalcRoutingScore(): 254 - 3 |
| 8766 | } |
| 8767 | |
| 8768 | // Focus = move navigation cursor, set scrolling, set focus window. |
| 8769 | void ImGui::FocusItem() |