src/mode.c
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|---|---|---|---|
| 1 | #include <stddef.h> | ||
| 2 | #include "mode.h" | ||
| 3 | #include "bind.h" | ||
| 4 | #include "change.h" | ||
| 5 | #include "cmdline.h" | ||
| 6 | #include "command/macro.h" | ||
| 7 | #include "completion.h" | ||
| 8 | #include "editor.h" | ||
| 9 | #include "indent.h" | ||
| 10 | #include "insert.h" | ||
| 11 | #include "terminal/paste.h" | ||
| 12 | #include "util/debug.h" | ||
| 13 | #include "util/unicode.h" | ||
| 14 | #include "util/xmalloc.h" | ||
| 15 | #include "view.h" | ||
| 16 | |||
| 17 | 34 | ModeHandler *new_mode(HashMap *modes, char *name, const CommandSet *cmds) | |
| 18 | { | ||
| 19 | 34 | ModeHandler *mode = xcalloc1(sizeof(*mode)); | |
| 20 | 34 | mode->name = name; | |
| 21 | 34 | mode->cmds = cmds; | |
| 22 | 34 | return hashmap_insert(modes, name, mode); | |
| 23 | } | ||
| 24 | |||
| 25 | ✗ | static bool insert_paste(EditorState *e, const ModeHandler *handler, bool bracketed) | |
| 26 | { | ||
| 27 | ✗ | String str = term_read_paste(&e->terminal.ibuf, bracketed); | |
| 28 | ✗ | if (handler->cmds == &normal_commands) { | |
| 29 | ✗ | StringView text = strview_from_string(&str); | |
| 30 | ✗ | begin_change(CHANGE_MERGE_NONE); | |
| 31 | ✗ | insert_text(e->view, text, true); | |
| 32 | ✗ | end_change(); | |
| 33 | ✗ | macro_insert_text_hook(&e->macro, text); | |
| 34 | } else { | ||
| 35 | ✗ | CommandLine *c = &e->cmdline; | |
| 36 | ✗ | string_replace_byte(&str, '\n', ' '); | |
| 37 | ✗ | string_insert_buf(&c->buf, c->pos, str.buffer, str.len); | |
| 38 | ✗ | c->pos += str.len; | |
| 39 | ✗ | c->search_pos = NULL; | |
| 40 | } | ||
| 41 | ✗ | string_free(&str); | |
| 42 | ✗ | return true; | |
| 43 | } | ||
| 44 | |||
| 45 | 7 | static bool handle_input_single ( | |
| 46 | EditorState *e, | ||
| 47 | const ModeHandler *handler, | ||
| 48 | KeyCode key, | ||
| 49 | ModeHandlerFlags inherited_flags | ||
| 50 | ) { | ||
| 51 | 7 | bool bracketed_paste = (key == KEYCODE_BRACKETED_PASTE); | |
| 52 |
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7 | if (bracketed_paste || key == KEYCODE_DETECTED_PASTE) { |
| 53 | ✗ | return insert_paste(e, handler, bracketed_paste); | |
| 54 | } | ||
| 55 | |||
| 56 | 7 | ModeHandlerFlags noinsert_flags = MHF_NO_TEXT_INSERTION | MHF_NO_TEXT_INSERTION_RECURSIVE; | |
| 57 | 7 | ModeHandlerFlags flag_union = handler->flags | inherited_flags; | |
| 58 | 7 | bool insert_unicode_range = !(flag_union & noinsert_flags); | |
| 59 | |||
| 60 |
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7 | if (insert_unicode_range) { |
| 61 | 7 | const CommandSet *cmds = handler->cmds; | |
| 62 |
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7 | if (cmds == &normal_commands) { |
| 63 | 5 | View *view = e->view; | |
| 64 | 5 | KeyCode shift = key & MOD_SHIFT; | |
| 65 |
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5 | if ((key & ~shift) == KEY_TAB && view->selection == SELECT_LINES) { |
| 66 | // In line selections, Tab/S-Tab behave like indent/indent -r | ||
| 67 | ✗ | indent_lines(view, shift ? -1 : 1); | |
| 68 | ✗ | return true; | |
| 69 | } | ||
| 70 |
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5 | if (u_is_unicode(key)) { |
| 71 | 5 | insert_ch(e->view, key); | |
| 72 | 5 | macro_insert_char_hook(&e->macro, key); | |
| 73 | 5 | return true; | |
| 74 | } | ||
| 75 | } else { | ||
| 76 | 2 | BUG_ON(cmds != &cmd_mode_commands && cmds != &search_mode_commands); | |
| 77 |
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2 | if (u_is_unicode(key) && (key != KEY_TAB && key != KEY_ENTER)) { |
| 78 | 2 | CommandLine *c = &e->cmdline; | |
| 79 | 2 | c->pos += string_insert_codepoint(&c->buf, c->pos, key); | |
| 80 |
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2 | if (cmds == &cmd_mode_commands) { |
| 81 | 2 | maybe_reset_completion(c); | |
| 82 | } | ||
| 83 | 2 | c->search_pos = NULL; | |
| 84 | 2 | return true; | |
| 85 | } | ||
| 86 | } | ||
| 87 | } | ||
| 88 | |||
| 89 | ✗ | return handle_binding(e, handler, key); | |
| 90 | } | ||
| 91 | |||
| 92 | // Recursion is bounded by the depth of fallthrough modes, which is | ||
| 93 | // typically not more than 5 or so | ||
| 94 | // NOLINTNEXTLINE(misc-no-recursion) | ||
| 95 | 7 | static bool handle_input_recursive ( | |
| 96 | EditorState *e, | ||
| 97 | const ModeHandler *handler, | ||
| 98 | KeyCode key, | ||
| 99 | ModeHandlerFlags inherited_flags | ||
| 100 | ) { | ||
| 101 |
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7 | if (handle_input_single(e, handler, key, inherited_flags)) { |
| 102 | return true; | ||
| 103 | } | ||
| 104 | |||
| 105 | ✗ | const PointerArray *ftmodes = &handler->fallthrough_modes; | |
| 106 | ✗ | inherited_flags |= (handler->flags & MHF_NO_TEXT_INSERTION_RECURSIVE); | |
| 107 | |||
| 108 | ✗ | for (size_t i = 0, n = ftmodes->count; i < n; i++) { | |
| 109 | ✗ | const ModeHandler *h = ftmodes->ptrs[i]; | |
| 110 | ✗ | if (handle_input_recursive(e, h, key, inherited_flags)) { | |
| 111 | return true; | ||
| 112 | } | ||
| 113 | } | ||
| 114 | |||
| 115 | return false; | ||
| 116 | } | ||
| 117 | |||
| 118 | 3 | void string_append_def_mode(String *buf, const ModeHandler *mode) | |
| 119 | { | ||
| 120 | 3 | string_append_literal(buf, "def-mode "); | |
| 121 |
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3 | if (mode->flags & MHF_NO_TEXT_INSERTION_RECURSIVE) { |
| 122 | ✗ | string_append_literal(buf, "-U "); | |
| 123 |
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3 | } else if (mode->flags & MHF_NO_TEXT_INSERTION) { |
| 124 | ✗ | string_append_literal(buf, "-u "); | |
| 125 | } | ||
| 126 | |||
| 127 | 3 | string_append_cstring(buf, mode->name); | |
| 128 | |||
| 129 | 3 | const PointerArray *ftmodes = &mode->fallthrough_modes; | |
| 130 |
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3 | for (size_t i = 0, n = ftmodes->count; i < n; i++) { |
| 131 | ✗ | const ModeHandler *ftmode = ftmodes->ptrs[i]; | |
| 132 | ✗ | string_append_byte(buf, ' '); | |
| 133 | ✗ | string_append_cstring(buf, ftmode->name); | |
| 134 | } | ||
| 135 | 3 | } | |
| 136 | |||
| 137 | 7 | bool handle_input(EditorState *e, KeyCode key) | |
| 138 | { | ||
| 139 | 7 | return handle_input_recursive(e, e->mode, key, 0); | |
| 140 | } | ||
| 141 | |||
| 142 | 2 | void collect_modes(const HashMap *modes, PointerArray *a, StringView prefix) | |
| 143 | { | ||
| 144 | 2 | collect_hashmap_keys(modes, a, prefix); | |
| 145 | 2 | } | |
| 146 |