| 120 | } |
| 121 | |
| 122 | bool SelectionRange::Trim(SelectionRange range) { |
| 123 | SelectionPosition startRange = range.Start(); |
| 124 | SelectionPosition endRange = range.End(); |
| 125 | SelectionPosition start = Start(); |
| 126 | SelectionPosition end = End(); |
| 127 | PLATFORM_ASSERT(start <= end); |
| 128 | PLATFORM_ASSERT(startRange <= endRange); |
| 129 | if ((startRange <= end) && (endRange >= start)) { |
| 130 | if ((start > startRange) && (end < endRange)) { |
| 131 | // Completely covered by range -> empty at start |
| 132 | end = start; |
| 133 | } else if ((start < startRange) && (end > endRange)) { |
| 134 | // Completely covers range -> empty at start |
| 135 | end = start; |
| 136 | } else if (start <= startRange) { |
| 137 | // Trim end |
| 138 | end = startRange; |
| 139 | } else { // |
| 140 | PLATFORM_ASSERT(end >= endRange); |
| 141 | // Trim start |
| 142 | start = endRange; |
| 143 | } |
| 144 | if (anchor > caret) { |
| 145 | caret = start; |
| 146 | anchor = end; |
| 147 | } else { |
| 148 | anchor = start; |
| 149 | caret = end; |
| 150 | } |
| 151 | return Empty(); |
| 152 | } else { |
| 153 | return false; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | // If range is all virtual collapse to start of virtual space |
| 158 | void SelectionRange::MinimizeVirtualSpace() { |
no test coverage detected