Method OnMouseLoop

src/dropdown.cpp:316–356

	}};

	void OnMouseLoop() override
	{
		if (this->click_delay != 0 && --this->click_delay == 0) {
			/* Close the dropdown, so it doesn't affect new window placement.
			 * Also mark it dirty in case the callback deals with the screen. (e.g. screenshots). */
			if (!this->options.Test(DropDownOption::Persist)) this->Close();
			this->parent->OnDropdownSelect(this->parent_button, this->selected_result, this->selected_click_result);
			return;
		}

		if (this->drag_mode) {
			int result, click_result;

			if (!_left_button_clicked) {
				this->drag_mode = false;
				if (!this->GetDropDownItem(result, click_result)) {
					if (this->options.Test(DropDownOption::InstantClose)) this->Close();
					return;
				}
				this->click_delay = 2;
			} else {
				if (_cursor.pos.y <= this->top + WidgetDimensions::scaled.dropdownlist.top) {
					/* Cursor is above the list, set scroll up */
					this->scrolling = -1;
					return;
				} else if (_cursor.pos.y >= this->top + this->height - WidgetDimensions::scaled.dropdownlist.bottom) {
					/* Cursor is below list, set scroll down */
					this->scrolling = 1;
					return;
				}

				if (!this->GetDropDownItem(result, click_result)) return;
			}

			if (this->selected_result != result || this->selected_click_result != click_result) {
				this->selected_result = result;
				this->selected_click_result = click_result;
				this->SetDirty();
			}
		}
	}

	void ReplaceList(DropDownList &&list, std::optional<int> selected_result)
	{