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23 Commits

Author SHA1 Message Date
Benjamin Otte
350a5edb87 css: Emit a special error for a common error 
This CSS:
  calc(5px+3px)
is wrong because it gets broken to:
  calc(  5px  +3px  )
which is 2 numbers inside the calc, and what you want is:
  calc(  5px  +  3px  )
but you need to add a space to get this, like so:
  calc(5px + 3px)
which is the recommended way to write calc() statements.

So whenever we encounter an error, check if the next token is a signed
number and if so, include it in the error message.
 2021-10-21 00:16:20 +02:00
Timm Bäder
b25f93e24c Make dimension values and calc values just number values 2020-05-10 08:44:20 +02:00
Timm Bäder
df08387e35 csscalcvalue: Avoid allocating memory in compute() 
We already know how many values we're going to have, it's
value->n_terms.
 2020-05-10 08:44:20 +02:00
Timm Bäder
2e89c5360a numbervalue: Add early-out to multiply() 
If the factor is 1, we already know what the result is going to be.
 2020-01-18 08:49:52 +01:00
Timm Bäder
1200fe2daf cssvalue: Add type names for all classes 
This is important to have for debugging and e.g. to print statistics for
the individual css value types
 2020-01-18 08:49:51 +01:00
Timm Bäder
edf56b438e css: short-circuit gtk_css_dimension_value_try_add 
No need to allocate a new css value for something that we already have,
because one of the two values is 0
 2019-11-14 09:15:58 +01:00
Benjamin Otte
d41580adfc calc: Have better error location range 2019-04-12 19:34:28 +02:00
Benjamin Otte
1cd9396154 css: Review error messages 
... and move them from _gtk_css_parser_error() to the proper new error
message.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
e0a01ba174 css: Redo for new parser 
This commit is still way too big, but I couldn't make it smaller.

It transitions the old CSS parser to the new parser. CSS parsing is now
tokenized, everything else is probably still buggy.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
5f3e5a0406 cssparser: Add gtk_css_parser_try_delim() 
For parsing single code point delimiters. Also port calc() to use this.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
dce8c11b07 cssparser: Drop _gtk_css_parser_has_prefix() 
Replace it with has_ident/has_function. The old function is a typical
string matching API, not a tokenizing one.
 2019-04-12 19:34:28 +02:00
Benjamin Otte
684b6459f1 cssparser: Get rid of _gtk_css_parser_begins_with() 
Replace it with calls to gtk_css_parser_has_token().
 2019-04-12 19:34:28 +02:00
Benjamin Otte
3322599e99 css: Introduce the idea of dynamic values 
Dynamic values are values that change their contents with the current
(monotonic) time.

This just introduces the GtkCssValue API for it.
 2018-03-16 06:04:43 +01:00
Benjamin Otte
83fb7a649f css: Merge GtkStyleProviderPrivate into GtkStyleProvider 
This is just lots of renaming.

The interface remains private, so the public API does not change, apart
from removing the definition of the Interface object to avoid
subclassing.
 2017-10-31 04:33:54 +01:00
Benjamin Otte
fb47a8d714 css: Remove deprecated number-as-pixels compatibility 
Previously, for compatibility with GTK 3.0, we allowed specifying
numbers without units and interpreted them as pixels, even when the CSS
specification didn't.

Remove that now that we can break API.
 2017-01-18 04:13:56 +01:00
Emmanuele Bassi
9557364216 gtk: Mark internal functions as static 
These functions are only used within their compilation unit.
 2016-10-17 11:44:10 +01:00
Carlos Soriano
11b3efbdda gtkcsscalcvalue: avoid unitialized boolean 
Since we do an OR afterwards, initializing to FALSE is correct.
 2016-02-18 15:32:54 +01:00
Benjamin Otte
93eec3e52f css: Implement transitions for numbers of different units 
We now can transition from 10px to 100%.

Note that this requires a teensy tiny hack in
gtk_css_value_transition(), but so be it.
 2016-02-13 04:49:08 +01:00
Benjamin Otte
0cda3ba3e8 calc: Allow subterms with '(' ')' bracketing 
Some more tests included.
 2016-02-13 04:49:08 +01:00
Benjamin Otte
63d1f80742 css: Add support for '*' and '/' to calc() 
More tests are included.
 2016-02-13 04:49:08 +01:00
Benjamin Otte
4a9fa1e750 css: Add API to handle order when printing calc() 
Also, add some tests and update old ones to print calc() statements
correctly.
 2016-02-13 04:49:08 +01:00
Benjamin Otte
65dd9da44a css: Add support for sums to calc() 
This requires adding code to do math on number values:
  gtk_css_number_value_multiply()
and
  gtk_css_number_value_try_add()
were added to achieve that.

Some tests are included.
 2016-02-13 04:49:08 +01:00
Benjamin Otte
cd6dc954f2 css: Add initial support for calc() 
So far, calc() only supports literals, ie it's completely useless.
 2016-02-13 04:49:08 +01:00