diff options
Diffstat (limited to 'source/blender/blenkernel/intern/text.c')
| -rw-r--r-- | source/blender/blenkernel/intern/text.c | 116 |
1 files changed, 53 insertions, 63 deletions
diff --git a/source/blender/blenkernel/intern/text.c b/source/blender/blenkernel/intern/text.c index 056229ceb1c..1a3e42a7da2 100644 --- a/source/blender/blenkernel/intern/text.c +++ b/source/blender/blenkernel/intern/text.c @@ -703,50 +703,6 @@ bool txt_cursor_is_line_end(Text *text) /* Cursor movement functions */ /*****************************/ -int txt_utf8_offset_to_index(const char *str, int offset) -{ - int index = 0, pos = 0; - while (pos != offset) { - pos += BLI_str_utf8_size(str + pos); - index++; - } - return index; -} - -int txt_utf8_index_to_offset(const char *str, int index) -{ - int offset = 0, pos = 0; - while (pos != index) { - offset += BLI_str_utf8_size(str + offset); - pos++; - } - return offset; -} - -int txt_utf8_offset_to_column(const char *str, int offset) -{ - int column = 0, pos = 0; - while (pos < offset) { - column += BLI_str_utf8_char_width_safe(str + pos); - pos += BLI_str_utf8_size_safe(str + pos); - } - return column; -} - -int txt_utf8_column_to_offset(const char *str, int column) -{ - int offset = 0, pos = 0, col; - while (*(str + offset) && pos < column) { - col = BLI_str_utf8_char_width_safe(str + offset); - if (pos + col > column) { - break; - } - offset += BLI_str_utf8_size_safe(str + offset); - pos += col; - } - return offset; -} - void txt_move_up(Text *text, const bool sel) { TextLine **linep; @@ -764,9 +720,9 @@ void txt_move_up(Text *text, const bool sel) } if ((*linep)->prev) { - int column = txt_utf8_offset_to_column((*linep)->line, *charp); + int column = BLI_str_utf8_offset_to_column((*linep)->line, *charp); *linep = (*linep)->prev; - *charp = txt_utf8_column_to_offset((*linep)->line, column); + *charp = BLI_str_utf8_offset_from_column((*linep)->line, column); } else { txt_move_bol(text, sel); @@ -794,9 +750,9 @@ void txt_move_down(Text *text, const bool sel) } if ((*linep)->next) { - int column = txt_utf8_offset_to_column((*linep)->line, *charp); + int column = BLI_str_utf8_offset_to_column((*linep)->line, *charp); *linep = (*linep)->next; - *charp = txt_utf8_column_to_offset((*linep)->line, column); + *charp = BLI_str_utf8_offset_from_column((*linep)->line, column); } else { txt_move_eol(text, sel); @@ -1977,7 +1933,7 @@ bool txt_replace_char(Text *text, unsigned int add) */ static void txt_select_prefix(Text *text, const char *add) { - int len, num, curc_old; + int len, num, curc_old, selc_old; char *tmp; const int indentlen = strlen(add); @@ -1985,6 +1941,7 @@ static void txt_select_prefix(Text *text, const char *add) BLI_assert(!ELEM(NULL, text->curl, text->sell)); curc_old = text->curc; + selc_old = text->selc; num = 0; while (true) { @@ -2022,19 +1979,24 @@ static void txt_select_prefix(Text *text, const char *add) num++; } } - if (!curc_old) { - text->curc = 0; - } - else { - text->curc = curc_old + indentlen; - } while (num > 0) { text->curl = text->curl->prev; num--; } - /* caller must handle undo */ + /* Keep the cursor left aligned if we don't have a selection. */ + if (curc_old == 0 && !(text->curl == text->sell && curc_old == selc_old)) { + if (text->curl == text->sell) { + if (text->curc == text->selc) { + text->selc = 0; + } + } + text->curc = 0; + } + else { + text->curc = curc_old + indentlen; + } } /** @@ -2042,17 +2004,43 @@ static void txt_select_prefix(Text *text, const char *add) * * \param r_line_index_mask: List of lines that are already at indent level 0, * to store them later into the undo buffer. + * \param require_all: When true, all non-empty lines must have this prefix. + * Needed for comments where we might want to un-comment a block which contains some comments. * * \note caller must handle undo. */ -static void txt_select_unprefix(Text *text, const char *remove) +static bool txt_select_unprefix(Text *text, const char *remove, const bool require_all) { int num = 0; const int indentlen = strlen(remove); bool unindented_first = false; + bool changed_any = false; BLI_assert(!ELEM(NULL, text->curl, text->sell)); + if (require_all) { + /* Check all non-empty lines use this 'remove', + * so the operation is applied equally or not at all. */ + TextLine *l = text->curl; + while (true) { + if (STREQLEN(l->line, remove, indentlen)) { + /* pass */ + } + else { + /* Blank lines or whitespace can be skipped. */ + for (int i = 0; i < l->len; i++) { + if (!ELEM(l->line[i], '\t', ' ')) { + return false; + } + } + } + if (l == text->sell) { + break; + } + l = l->next; + } + } + while (true) { bool changed = false; if (STREQLEN(text->curl->line, remove, indentlen)) { @@ -2062,6 +2050,7 @@ static void txt_select_unprefix(Text *text, const char *remove) text->curl->len -= indentlen; memmove(text->curl->line, text->curl->line + indentlen, text->curl->len + 1); changed = true; + changed_any = true; } txt_make_dirty(text); @@ -2089,6 +2078,7 @@ static void txt_select_unprefix(Text *text, const char *remove) } /* caller must handle undo */ + return changed_any; } void txt_comment(Text *text) @@ -2102,15 +2092,15 @@ void txt_comment(Text *text) txt_select_prefix(text, prefix); } -void txt_uncomment(Text *text) +bool txt_uncomment(Text *text) { const char *prefix = "#"; if (ELEM(NULL, text->curl, text->sell)) { - return; + return false; } - txt_select_unprefix(text, prefix); + return txt_select_unprefix(text, prefix, true); } void txt_indent(Text *text) @@ -2124,15 +2114,15 @@ void txt_indent(Text *text) txt_select_prefix(text, prefix); } -void txt_unindent(Text *text) +bool txt_unindent(Text *text) { const char *prefix = (text->flags & TXT_TABSTOSPACES) ? tab_to_spaces : "\t"; if (ELEM(NULL, text->curl, text->sell)) { - return; + return false; } - txt_select_unprefix(text, prefix); + return txt_select_unprefix(text, prefix, false); } void txt_move_lines(struct Text *text, const int direction) |