1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_INPUT_TEXT_INPUT_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_INPUT_TEXT_INPUT_PATTERN_H 18 19 #include "core/components_ng/pattern/text_field/text_field_layout_algorithm.h" 20 #include "core/components_ng/pattern/text_field/text_input_response_area.h" 21 22 namespace OHOS::Ace::NG { 23 class TextFieldPattern; 24 class TextInputLayoutAlgorithm : public TextFieldLayoutAlgorithm { 25 DECLARE_ACE_TYPE(TextInputLayoutAlgorithm, TextFieldLayoutAlgorithm); 26 27 public: 28 TextInputLayoutAlgorithm() = default; 29 ~TextInputLayoutAlgorithm() override = default; 30 31 void Measure(LayoutWrapper* layoutWrapper) override; 32 std::optional<SizeF> MeasureContent( 33 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 34 void Layout(LayoutWrapper* layoutWrapper) override; 35 float GetDefaultHeightByType(LayoutWrapper* layoutWrapper); 36 protected: 37 bool CreateParagraphEx(const TextStyle& textStyle, const std::string& content, 38 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 39 LayoutConstraintF BuildLayoutConstraintWithoutResponseArea(const LayoutConstraintF& contentConstraint, 40 LayoutWrapper* layoutWrapper); 41 42 private: 43 struct UpdateContentPositionParams { 44 bool isRTL = false; 45 OffsetF offsetBase = OffsetF(0.0f, 0.0f); 46 SizeT<float> size = SizeT<float>(0.0f, 0.0f); 47 SizeT<float> contentSize = SizeT<float>(0.0f, 0.0f); 48 Alignment align = Alignment::CENTER; 49 RefPtr<TextInputResponseArea> responseArea = nullptr; 50 RefPtr<TextInputResponseArea> cleanResponseArea = nullptr; 51 }; 52 53 struct UpdateTextRectParams { 54 RefPtr<TextFieldLayoutProperty> layoutProperty = nullptr; 55 RefPtr<TextFieldPattern> pattern = nullptr; 56 SizeT<float> contentSize = SizeT<float>(0.0f, 0.0f); 57 bool isRTL = false; 58 RefPtr<TextInputResponseArea> responseArea = nullptr; 59 RefPtr<TextInputResponseArea> cleanResponseArea = nullptr; 60 OffsetF contentOffset = OffsetF(0.0f, 0.0f); 61 }; 62 void UpdateContentPosition(const UpdateContentPositionParams& params, 63 const std::unique_ptr<GeometryProperty>& content); 64 void UpdateTextRect(const UpdateTextRectParams& params); 65 }; 66 } // namespace OHOS::Ace::NG 67 68 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_INPUT_TEXT_INPUT_PATTERN_H