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author | Přemysl Eric Janouch <p@janouch.name> | 2022-09-18 04:24:58 +0200 |
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committer | Přemysl Eric Janouch <p@janouch.name> | 2022-09-18 04:24:58 +0200 |
commit | b6dd94072080d29b356d2c22d9f317deac55331d (patch) | |
tree | 82047a097e670ec7c2624b1d9c3137b8ab9ea065 /line-editor.c | |
parent | d8e0d1b2fe2bfc4a327d8056d6d63e7b58435632 (diff) | |
download | nncmpp-b6dd94072080d29b356d2c22d9f317deac55331d.tar.gz nncmpp-b6dd94072080d29b356d2c22d9f317deac55331d.tar.xz nncmpp-b6dd94072080d29b356d2c22d9f317deac55331d.zip |
Implement M-u, M-l, M-c from Readline
Diffstat (limited to 'line-editor.c')
-rw-r--r-- | line-editor.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/line-editor.c b/line-editor.c index 4c37a92..8e42b5a 100644 --- a/line-editor.c +++ b/line-editor.c @@ -1,7 +1,7 @@ /* * line-editor.c: a line editor component for the TUI part of liberty * - * Copyright (c) 2017 - 2018, Přemysl Eric Janouch <p@janouch.name> + * Copyright (c) 2017 - 2022, Přemysl Eric Janouch <p@janouch.name> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted. @@ -48,6 +48,10 @@ enum line_editor_action LINE_EDITOR_HOME, ///< Go to start of line LINE_EDITOR_END, ///< Go to end of line + LINE_EDITOR_UPCASE_WORD, ///< Convert word to uppercase + LINE_EDITOR_DOWNCASE_WORD, ///< Convert word to lowercase + LINE_EDITOR_CAPITALIZE_WORD, ///< Capitalize word + LINE_EDITOR_B_DELETE, ///< Delete last character LINE_EDITOR_F_DELETE, ///< Delete next character LINE_EDITOR_B_KILL_WORD, ///< Delete last word @@ -197,6 +201,41 @@ line_editor_action (struct line_editor *self, enum line_editor_action action) self->point = self->len; return true; + case LINE_EDITOR_UPCASE_WORD: + { + int i = self->point; + for (; i < (int) self->len && self->line[i] == ' '; i++); + for (; i < (int) self->len && self->line[i] != ' '; i++) + self->line[i] = uc_toupper (self->line[i]); + self->point = i; + line_editor_changed (self); + return true; + } + case LINE_EDITOR_DOWNCASE_WORD: + { + int i = self->point; + for (; i < (int) self->len && self->line[i] == ' '; i++); + for (; i < (int) self->len && self->line[i] != ' '; i++) + self->line[i] = uc_tolower (self->line[i]); + self->point = i; + line_editor_changed (self); + return true; + } + case LINE_EDITOR_CAPITALIZE_WORD: + { + int i = self->point; + ucs4_t (*converter) (ucs4_t) = uc_totitle; + for (; i < (int) self->len && self->line[i] == ' '; i++); + for (; i < (int) self->len && self->line[i] != ' '; i++) + { + self->line[i] = converter (self->line[i]); + converter = uc_tolower; + } + self->point = i; + line_editor_changed (self); + return true; + } + case LINE_EDITOR_B_DELETE: { if (self->point < 1) |