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css: Add a shorthand 'transition' property

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This commit is contained in:
Benjamin Otte 2012-04-04 22:33:27 +02:00
parent c3f46ab5c0
commit b403a1b550
1 changed files with 111 additions and 0 deletions
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111
gtk/gtkcssshorthandpropertyimpl.c
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@ -27,6 +27,7 @@
#include "gtkcssarrayvalueprivate.h"
#include "gtkcssbordervalueprivate.h"
#include "gtkcsscornervalueprivate.h"
#include "gtkcsseasevalueprivate.h"
#include "gtkcssenumvalueprivate.h"
#include "gtkcssimageprivate.h"
#include "gtkcssimagevalueprivate.h"
@ -543,6 +544,109 @@ parse_background (GtkCssShorthandProperty *shorthand,
return TRUE;
}
static gboolean
parse_one_transition (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser,
GFile *base)
{
do
{
/* the image part */
if (values[2] == NULL &&
_gtk_css_parser_has_number (parser) && !_gtk_css_parser_begins_with (parser, '-'))
{
GtkCssValue *number = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_TIME);
if (number == NULL)
return FALSE;
if (values[1] == NULL)
values[1] = number;
else
values[2] = number;
}
else if (values[3] == NULL &&
_gtk_css_ease_value_can_parse (parser))
{
values[3] = _gtk_css_ease_value_parse (parser);
if (values[3] == NULL)
return FALSE;
}
else if (values[0] == NULL)
{
values[0] = _gtk_css_ident_value_try_parse (parser);
if (values[0] == NULL)
{
_gtk_css_parser_error (parser, "Unknown value for property");
return FALSE;
}
}
else
{
/* We parsed everything and there's still stuff left?
* Pretend we didn't notice and let the normal code produce
* a 'junk at end of value' error */
break;
}
}
while (!value_is_done_parsing (parser));
return TRUE;
}
static gboolean
parse_transition (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser,
GFile *base)
{
GtkCssValue *step_values[4];
GPtrArray *arrays[4];
guint i;
for (i = 0; i < 4; i++)
{
arrays[i] = g_ptr_array_new ();
step_values[i] = NULL;
}
do {
if (!parse_one_transition (shorthand, step_values, parser, base))
{
for (i = 0; i < 4; i++)
{
g_ptr_array_set_free_func (arrays[i], (GDestroyNotify) _gtk_css_value_unref);
g_ptr_array_unref (arrays[i]);
return FALSE;
}
}
for (i = 0; i < 4; i++)
{
if (step_values[i] == NULL)
{
GtkCssValue *initial = _gtk_css_style_property_get_initial_value (
_gtk_css_shorthand_property_get_subproperty (shorthand, i));
step_values[i] = _gtk_css_value_ref (_gtk_css_array_value_get_nth (initial, 0));
}
g_ptr_array_add (arrays[i], step_values[i]);
step_values[i] = NULL;
}
} while (_gtk_css_parser_try (parser, ",", TRUE));
for (i = 0; i < 4; i++)
{
values[i] = _gtk_css_array_value_new_from_array ((GtkCssValue **) arrays[i]->pdata, arrays[i]->len);
g_ptr_array_unref (arrays[i]);
}
return TRUE;
}
/*** PACKING ***/
static void
@ -840,6 +944,7 @@ _gtk_css_shorthand_property_init_properties (void)
const char *outline_subproperties[] = { "outline-width", "outline-style", "outline-color", NULL };
const char *background_subproperties[] = { "background-image", "background-repeat", "background-clip", "background-origin",
"background-color", NULL };
const char *transition_subproperties[] = { "transition-property", "transition-duration", "transition-delay", "transition-timing-function", NULL };
_gtk_css_shorthand_property_register ("font",
PANGO_TYPE_FONT_DESCRIPTION,
@ -931,4 +1036,10 @@ _gtk_css_shorthand_property_init_properties (void)
parse_background,
NULL,
NULL);
_gtk_css_shorthand_property_register ("transition",
G_TYPE_NONE,
transition_subproperties,
parse_transition,
NULL,
NULL);
}