| 348 | } |
| 349 | |
| 350 | void ModMenu::mod_dragged(uint32_t mod_index, EventDrag drag) { |
| 351 | constexpr float spacer_height = modEntryHeight + modEntryPadding * 2.0f; |
| 352 | |
| 353 | switch (drag.phase) { |
| 354 | case DragPhase::Start: { |
| 355 | for (size_t i = 0; i < mod_entry_buttons.size(); i++) { |
| 356 | mod_entry_middles[i] = mod_entry_buttons[i]->get_absolute_top() + mod_entry_buttons[i]->get_client_height() / 2.0f; |
| 357 | } |
| 358 | |
| 359 | // When the drag phase starts, we make the floating mod details visible and store the relative coordinate of the |
| 360 | // mouse cursor. Instantly hide the real element and use a spacer in its place that will stay on the same size as |
| 361 | // long as the cursor is hovering over this slot. |
| 362 | float width = mod_entry_buttons[mod_index]->get_client_width(); |
| 363 | float height = mod_entry_buttons[mod_index]->get_client_height(); |
| 364 | float left = mod_entry_buttons[mod_index]->get_absolute_left() - get_absolute_left(); |
| 365 | float top = mod_entry_buttons[mod_index]->get_absolute_top() - (height / 2.0f); // TODO: Figure out why this adjustment is even necessary. |
| 366 | mod_entry_buttons[mod_index]->set_display(Display::None); |
| 367 | mod_entry_buttons[mod_index]->set_focused(false); |
| 368 | mod_entry_floating_view->set_display(Display::Flex); |
| 369 | mod_entry_floating_view->set_mod_details(mod_details[mod_index]); |
| 370 | mod_entry_floating_view->set_mod_thumbnail(generate_thumbnail_src_for_mod(mod_details[mod_index].mod_id)); |
| 371 | mod_entry_floating_view->set_mod_enabled(is_mod_enabled_or_auto(mod_details[mod_index].mod_id)); |
| 372 | mod_entry_floating_view->set_left(left, Unit::Px); |
| 373 | mod_entry_floating_view->set_top(top, Unit::Px); |
| 374 | mod_entry_floating_view->set_width(width, Unit::Px); |
| 375 | mod_entry_floating_view->set_height(height, Unit::Px); |
| 376 | mod_drag_start_coordinates[0] = drag.x; |
| 377 | mod_drag_start_coordinates[1] = drag.y; |
| 378 | mod_drag_view_coordinates[0] = left; |
| 379 | mod_drag_view_coordinates[1] = top; |
| 380 | |
| 381 | mod_drag_target_index = mod_index; |
| 382 | mod_entry_spacers[mod_drag_target_index]->set_target_height(spacer_height, false); |
| 383 | break; |
| 384 | } |
| 385 | case DragPhase::Move: { |
| 386 | // Binary search for the drag area. |
| 387 | uint32_t low = 0; |
| 388 | uint32_t high = mod_entry_buttons.size(); |
| 389 | while (low < high) { |
| 390 | uint32_t mid = low + (high - low) / 2; |
| 391 | if (drag.y < mod_entry_middles[mid]) { |
| 392 | high = mid; |
| 393 | } |
| 394 | else { |
| 395 | low = mid + 1; |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | uint32_t new_index = low; |
| 400 | float delta_x = drag.x - mod_drag_start_coordinates[0]; |
| 401 | float delta_y = drag.y - mod_drag_start_coordinates[1]; |
| 402 | mod_entry_floating_view->set_left(mod_drag_view_coordinates[0] + delta_x, Unit::Px); |
| 403 | mod_entry_floating_view->set_top(mod_drag_view_coordinates[1] + delta_y, Unit::Px); |
| 404 | if (mod_drag_target_index != new_index) { |
| 405 | mod_entry_spacers[mod_drag_target_index]->set_target_height(0.0f, true); |
| 406 | mod_entry_spacers[new_index]->set_target_height(spacer_height, true); |
| 407 | mod_drag_target_index = new_index; |
nothing calls this directly
no test coverage detected