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wherd wap! 

SVN revision: 13166
This commit is contained in:
Carsten Haitzler 2005-02-01 07:17:00 +00:00
parent 515f1e7af1
commit abdeedf082
1 changed files with 63 additions and 1 deletions
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64
legacy/evas/src/lib/canvas/evas_object_textblock.c
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@ -10,7 +10,6 @@
*
* things to add:
*
* * word wrap
* * underline support
* * double underline support
* * strikethrough support
@ -71,6 +70,7 @@ struct _Layout
int inset, x, y, ascent, descent, mascent, mdescent;
} line;
double align, valign;
unsigned char word_wrap : 1;
};
/* a node of formatting data */
@ -273,6 +273,11 @@ evas_object_textblock_layout_format_apply(Layout *layout, char *key, char *data)
layout->color.a = a;
}
}
else if (!strcmp(key, "wrap"))
{
if (!strcmp(data, "word")) layout->word_wrap = 1;
else layout->word_wrap = 0;
}
}
static void
@ -453,6 +458,43 @@ evas_object_textblock_contents_clean(Evas_Object *obj)
}
}
static int
evas_object_textblock_char_is_white(int c)
{
/*
* unicode list of whitespace chars
*
* 0009..000D <control-0009>..<control-000D>
* 0020 SPACE
* 0085 <control-0085>
* 00A0 NO-BREAK SPACE
* 1680 OGHAM SPACE MARK
* 180E MONGOLIAN VOWEL SEPARATOR
* 2000..200A EN QUAD..HAIR SPACE
* 2028 LINE SEPARATOR
* 2029 PARAGRAPH SEPARATOR
* 202F NARROW NO-BREAK SPACE
* 205F MEDIUM MATHEMATICAL SPACE
* 3000 IDEOGRAPHIC SPACE
*/
if (
(c == 0x20) ||
((c >= 0x9) && (c <= 0xd)) ||
(c == 0x85) ||
(c == 0xa0) ||
(c == 0x1680) ||
(c == 0x180e) ||
((c >= 0x2000) && (c <= 0x200a)) ||
(c == 0x2028) ||
(c == 0x2029) ||
(c == 0x202f) ||
(c == 0x205f) ||
(c == 0x3000)
)
return 1;
return 0;
}
static void
evas_object_textblock_layout(Evas_Object *obj)
{
@ -554,6 +596,26 @@ evas_object_textblock_layout(Evas_Object *obj)
/* text doesnt fit */
else
{
/* handle word wrap */
if (layout.word_wrap)
{
int ppos, pos, chr;
pos = evas_string_char_prev_get(text, chrpos, &chr);
if (!evas_object_textblock_char_is_white(chr))
{
ppos = pos = chrpos;
while ((!evas_object_textblock_char_is_white(chr))
&&
(pos >= 0))
{
ppos = pos;
pos = evas_string_char_prev_get(text, pos, &chr);
}
if (ppos < 0) ppos = 0;
chrpos = ppos;
}
}
/* if the first char in the line can't fit!!! */
if ((chrpos == 0) && (lnode == line_start))
{