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Allow min_width of a block in i3bar to be a string 

With this change, min_width can either be an integer (as usual), or a
string. In the latter case, the width of the text given by min_width
determines the minimum width of the block. This way one does not have to
figure out a minimum width by trial and error, only to do it again every
time the font is changed.
This commit is contained in:
András Mohari 2013-02-25 11:41:02 +01:00 committed by Michael Stapelberg
parent 7ecdcb61f8
commit a0d5b744ab
2 changed files with 19 additions and 0 deletions
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15
docs/i3bar-protocol
View File

@ -140,6 +140,10 @@ min_width::
will be padded to the left and/or the right side, according to the +align+
key. This is useful when you want to prevent the whole status line to shift
when value take more or less space between each iteration.
The value can also be a string. In this case, the width of the text given
by +min_width+ determines the minimum width of the block. This is useful
when you want to set a sensible minimum width regardless of which font you
are using, and at what particular size.
align::
Align text on the +center+ (default), +right+ or +left+ of the block, when
the minimum width of the latter, specified by the +min_width+ key, is not
@ -178,6 +182,17 @@ of the i3bar protocol.
}
------------------------------------------
In the following example, the longest (widest) possible value of the block is
used to set the minimum width:
------------------------------------------
{
"full_text": "CPU 4%",
"min_width": "CPU 100%",
"align": "left"
}
------------------------------------------
An example of a block which uses all possible entries follows:
*Example*:

4
i3bar/src/child.c
View File

@ -147,6 +147,10 @@ static int stdin_string(void *context, const unsigned char *val, unsigned int le
} else {
ctx->block.align = ALIGN_CENTER;
}
} else if (strcasecmp(ctx->last_map_key, "min_width") == 0) {
i3String *text = i3string_from_utf8_with_length((const char *)val, len);
ctx->block.min_width = (uint32_t)predict_text_width(text);
i3string_free(text);
}
return 1;
}