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css: Implement parsing for 'background-size'

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This commit is contained in:
Benjamin Otte 2012-01-17 15:11:48 +01:00
parent d56ac0d4df
commit 1979d048d3
3 changed files with 110 additions and 1 deletions
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100
gtk/gtkcssstylepropertyimpl.c
View File

@ -525,6 +525,95 @@ background_repeat_value_print (GtkCssStyleProperty *property,
g_type_class_unref (enum_class);
}
static gboolean
background_size_parse (GtkCssStyleProperty *property,
GValue *value,
GtkCssParser *parser,
GFile *base)
{
GtkCssBackgroundSize size = { GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), FALSE, FALSE};
if (_gtk_css_parser_try (parser, "cover", TRUE))
size.cover = TRUE;
else if (_gtk_css_parser_try (parser, "contain", TRUE))
size.contain = TRUE;
else
{
if (_gtk_css_parser_try (parser, "auto", TRUE))
_gtk_css_number_init (&size.width, 0, GTK_CSS_PX);
else if (!_gtk_css_parser_read_number (parser,
&size.width,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH))
return FALSE;
if (_gtk_css_parser_try (parser, "auto", TRUE))
_gtk_css_number_init (&size.height, 0, GTK_CSS_PX);
else if (_gtk_css_parser_has_number (parser))
{
if (!_gtk_css_parser_read_number (parser,
&size.height,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH))
return FALSE;
}
else
_gtk_css_number_init (&size.height, 0, GTK_CSS_PX);
}
g_value_set_boxed (value, &size);
return TRUE;
}
static void
background_size_print (GtkCssStyleProperty *property,
const GValue *value,
GString *string)
{
GtkCssBackgroundSize *size = g_value_get_boxed (value);
if (size->cover)
g_string_append (string, "cover");
else if (size->contain)
g_string_append (string, "contain");
else
{
if (size->width.value == 0)
g_string_append (string, "auto");
else
_gtk_css_number_print (&size->width, string);
if (size->height.value != 0)
{
g_string_append (string, " ");
_gtk_css_number_print (&size->height, string);
}
}
}
static void
background_size_compute (GtkCssStyleProperty *property,
GValue *computed,
GtkStyleContext *context,
const GValue *specified)
{
GtkCssBackgroundSize *ssize = g_value_get_boxed (specified);
GtkCssBackgroundSize csize;
csize.cover = ssize->cover;
csize.contain = ssize->contain;
_gtk_css_number_compute (&csize.width,
&ssize->width,
context);
_gtk_css_number_compute (&csize.height,
&ssize->height,
context);
g_value_set_boxed (computed, &csize);
}
/*** REGISTRATION ***/
static GtkSymbolicColor *
@ -544,6 +633,7 @@ _gtk_css_style_property_init_properties (void)
char *default_font_family[] = { "Sans", NULL };
GtkCssNumber number;
GtkSymbolicColor *symbolic;
GtkCssBackgroundSize default_background_size = { GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), FALSE, FALSE };
GtkCssBorderCornerRadius no_corner_radius = { GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX), GTK_CSS_NUMBER_INIT (0, GTK_CSS_PX) };
GtkBorder border_of_ones = { 1, 1, 1, 1 };
GtkCssBorderImageRepeat border_image_repeat = { GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_STRETCH };
@ -878,7 +968,6 @@ _gtk_css_style_property_init_properties (void)
NULL,
NULL,
GTK_CSS_AREA_BORDER_BOX);
gtk_css_style_property_register ("background-origin",
GTK_TYPE_CSS_AREA,
GTK_TYPE_CSS_AREA,
@ -888,6 +977,15 @@ _gtk_css_style_property_init_properties (void)
NULL,
NULL,
GTK_CSS_AREA_PADDING_BOX);
gtk_css_style_property_register ("background-size",
GTK_TYPE_CSS_BACKGROUND_SIZE,
GTK_TYPE_CSS_BACKGROUND_SIZE,
G_TYPE_NONE,
0,
background_size_parse,
background_size_print,
background_size_compute,
&default_background_size);
gtk_css_style_property_register ("border-top-color",
GTK_TYPE_SYMBOLIC_COLOR,

1
gtk/gtkcsstypes.c
View File

@ -32,6 +32,7 @@ type_name ## _copy (const TypeName *foo) \
\
G_DEFINE_BOXED_TYPE (TypeName, type_name, type_name ## _copy, g_free)
DEFINE_BOXED_TYPE_WITH_COPY_FUNC (GtkCssBackgroundSize, _gtk_css_background_size)
DEFINE_BOXED_TYPE_WITH_COPY_FUNC (GtkCssBorderCornerRadius, _gtk_css_border_corner_radius)
DEFINE_BOXED_TYPE_WITH_COPY_FUNC (GtkCssBorderImageRepeat, _gtk_css_border_image_repeat)
DEFINE_BOXED_TYPE_WITH_COPY_FUNC (GtkCssNumber, _gtk_css_number)

10
gtk/gtkcsstypesprivate.h
View File

@ -100,6 +100,7 @@ typedef enum /*< skip >*/ {
} GtkCssUnit;
typedef struct _GtkCssNumber GtkCssNumber;
typedef struct _GtkCssBackgroundSize GtkCssBackgroundSize;
typedef struct _GtkCssBorderCornerRadius GtkCssBorderCornerRadius;
typedef struct _GtkCssBorderImageRepeat GtkCssBorderImageRepeat;
@ -108,6 +109,13 @@ struct _GtkCssNumber {
GtkCssUnit unit;
};
struct _GtkCssBackgroundSize {
GtkCssNumber width; /* 0 means auto here */
GtkCssNumber height; /* 0 means auto here */
guint cover :1;
guint contain :1;
};
struct _GtkCssBorderCornerRadius {
GtkCssNumber horizontal;
GtkCssNumber vertical;
@ -118,10 +126,12 @@ struct _GtkCssBorderImageRepeat {
GtkCssBorderRepeatStyle hrepeat;
};
#define GTK_TYPE_CSS_BACKGROUND_SIZE _gtk_css_background_size_get_type ()
#define GTK_TYPE_CSS_BORDER_CORNER_RADIUS _gtk_css_border_corner_radius_get_type ()
#define GTK_TYPE_CSS_BORDER_IMAGE_REPEAT _gtk_css_border_image_repeat_get_type ()
#define GTK_TYPE_CSS_NUMBER _gtk_css_number_get_type ()
GType _gtk_css_background_size_get_type (void);
GType _gtk_css_border_corner_radius_get_type (void);
GType _gtk_css_border_image_repeat_get_type (void);
GType _gtk_css_number_get_type (void);