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_GRID_GRID_LAYOUT_OPTIONS_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_GRID_GRID_LAYOUT_OPTIONS_H
18 
19 #include <set>
20 
21 namespace OHOS::Ace {
22 struct GridItemSize {
23     int32_t rows = 1;
24     int32_t columns = 1;
25     bool operator==(const GridItemSize& itemSize) const
26     {
27         return (rows == itemSize.rows) && (columns == itemSize.columns);
28     }
GetCrossSizeGridItemSize29     int32_t GetCrossSize(Axis axis) const
30     {
31         return axis == Axis::VERTICAL ? columns : rows;
32     }
33 };
34 
35 struct GridItemRect {
36     int32_t rowStart = -1;
37     int32_t rowSpan = 1;
38     int32_t columnStart = -1;
39     int32_t columnSpan = 1;
40     bool operator==(const GridItemRect& itemRect) const
41     {
42         return (rowStart == itemRect.rowStart) && (rowSpan == itemRect.rowSpan) &&
43                (columnStart == itemRect.columnStart) && (columnSpan == itemRect.columnSpan);
44     }
GetCrossSizeGridItemRect45     int32_t GetCrossSize(Axis axis) const
46     {
47         return axis == Axis::VERTICAL ? columnSpan : rowSpan;
48     }
49     // [rowStart, columnStart, rowSpan, columnSpan]
50     enum GridItemRectProperty { ROW_START, COLUMN_START, ROW_SPAN, COLUMN_SPAN };
51 };
52 
53 using GetSizeByIndex = std::function<GridItemSize(int32_t)>;
54 using GetRectByIndex = std::function<GridItemRect(int32_t)>;
55 
56 struct GridLayoutOptions {
57     GridItemSize regularSize;
58     std::set<int32_t> irregularIndexes;
59     GetSizeByIndex getSizeByIndex; // irregular sizes
60     GetRectByIndex getRectByIndex;
61     bool operator==(const GridLayoutOptions& options) const
62     {
63         return (regularSize == options.regularSize) && (irregularIndexes == options.irregularIndexes) &&
64                (!getSizeByIndex && !options.getSizeByIndex) && (!getRectByIndex && !options.getRectByIndex);
65     }
66 
67     bool operator!=(const GridLayoutOptions& options) const
68     {
69         return !operator==(options);
70     }
71 };
72 } // namespace OHOS::Ace
73 
74 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_GRID_GRID_LAYOUT_OPTIONS_H
75