| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "selection.h" | ||
| 2 | #include "editor.h" | ||
| 3 | #include "util/unicode.h" | ||
| 4 | |||
| 5 | 2 | static bool include_cursor_char_in_selection(const View *view) | |
| 6 | { | ||
| 7 | 2 | const EditorState *e = view->window->editor; | |
| 8 |
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2 | if (!e->options.select_cursor_char) { |
| 9 | return false; | ||
| 10 | } | ||
| 11 | |||
| 12 | 2 | bool overwrite = view->buffer->options.overwrite; | |
| 13 |
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2 | CursorInputMode mode = overwrite ? CURSOR_MODE_OVERWRITE : CURSOR_MODE_INSERT; |
| 14 | 2 | TermCursorType type = e->cursor_styles[mode].type; | |
| 15 |
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2 | if (type == CURSOR_KEEP) { |
| 16 | 2 | type = e->cursor_styles[CURSOR_MODE_DEFAULT].type; | |
| 17 | } | ||
| 18 | |||
| 19 | // If "select-cursor-char" option is true, include character under cursor | ||
| 20 | // in selections for any cursor type except bars (where it makes no sense | ||
| 21 | // to do so) | ||
| 22 | 2 | return !(type == CURSOR_STEADY_BAR || type == CURSOR_BLINKING_BAR); | |
| 23 | } | ||
| 24 | |||
| 25 | 14 | SelectionInfo init_selection(const View *view) | |
| 26 | { | ||
| 27 | 14 | size_t so = view->sel_so; | |
| 28 | 14 | size_t eo = block_iter_get_offset(&view->cursor); | |
| 29 | 14 | bool swapped = (so > eo); | |
| 30 | |||
| 31 | 42 | SelectionInfo info = { | |
| 32 | .si = view->cursor, | ||
| 33 |
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14 | .so = swapped ? eo : so, |
| 34 |
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14 | .eo = swapped ? so : eo, |
| 35 | .swapped = swapped, | ||
| 36 | }; | ||
| 37 | |||
| 38 |
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14 | if (!swapped) { |
| 39 | 5 | block_iter_goto_offset(&info.si, so); | |
| 40 | } | ||
| 41 | |||
| 42 | 14 | BlockIter ei = info.si; | |
| 43 | 14 | block_iter_skip_bytes(&ei, info.eo - info.so); | |
| 44 |
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14 | if (block_iter_is_eof(&ei)) { |
| 45 |
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1 | if (info.so == info.eo) { |
| 46 | ✗ | return info; | |
| 47 | } | ||
| 48 | 1 | CodePoint u; | |
| 49 | 1 | info.eo -= block_iter_prev_char(&ei, &u); | |
| 50 | } | ||
| 51 | |||
| 52 |
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14 | if (view->selection == SELECT_LINES) { |
| 53 | 12 | info.so -= block_iter_bol(&info.si); | |
| 54 | 12 | info.eo += block_iter_eat_line(&ei); | |
| 55 |
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2 | } else if (include_cursor_char_in_selection(view)) { |
| 56 | 2 | info.eo += block_iter_next_column(&ei); | |
| 57 | } | ||
| 58 | |||
| 59 | 14 | return info; | |
| 60 | } | ||
| 61 | |||
| 62 | 5 | size_t prepare_selection(View *view) | |
| 63 | { | ||
| 64 | 5 | SelectionInfo info = init_selection(view); | |
| 65 | 5 | view->cursor = info.si; | |
| 66 | 5 | return info.eo - info.so; | |
| 67 | } | ||
| 68 | |||
| 69 | 9 | size_t get_nr_selected_lines(const SelectionInfo *info) | |
| 70 | { | ||
| 71 | 9 | BlockIter bi = info->si; | |
| 72 | 9 | size_t nr_lines = 0; | |
| 73 | |||
| 74 |
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54 | for (size_t pos = info->so, eo = info->eo; pos < eo; nr_lines++) { |
| 75 | 45 | pos += block_iter_eat_line(&bi); | |
| 76 | 45 | BUG_ON(block_iter_is_eof(&bi) && pos != info->eo); | |
| 77 | } | ||
| 78 | |||
| 79 | 9 | return nr_lines; | |
| 80 | } | ||
| 81 | |||
| 82 | ✗ | size_t get_nr_selected_chars(const SelectionInfo *info) | |
| 83 | { | ||
| 84 | ✗ | BlockIter bi = info->si; | |
| 85 | ✗ | size_t nr_chars = 0; | |
| 86 | ✗ | CodePoint u; | |
| 87 | |||
| 88 | ✗ | for (size_t pos = info->so, eo = info->eo; pos < eo; nr_chars++) { | |
| 89 | ✗ | pos += block_iter_next_char(&bi, &u); | |
| 90 | } | ||
| 91 | |||
| 92 | ✗ | return nr_chars; | |
| 93 | } | ||
| 94 |