AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

GtkCssProvider: Parse named regions.

Browse Source
This commit is contained in:
Carlos Garnacho 2010-04-21 01:46:52 +02:00
parent 11c874619b
commit 707d5ae99c
1 changed files with 112 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
gtk/gtkcssprovider.c
View File

@ -35,6 +35,7 @@ typedef struct SelectorStyleInfo SelectorStyleInfo;
typedef enum SelectorElementType SelectorElementType;
typedef enum CombinatorType CombinatorType;
typedef enum ParserScope ParserScope;
typedef enum ParserSymbol ParserSymbol;
enum SelectorElementType {
SELECTOR_TYPE_NAME,
@ -87,10 +88,27 @@ struct GtkCssProviderPrivate
enum ParserScope {
SCOPE_SELECTOR,
SCOPE_PSEUDO_CLASS,
SCOPE_NTH_CHILD,
SCOPE_DECLARATION,
SCOPE_VALUE
};
/* Extend GtkStateType, since these
* values are also used as symbols
*/
enum ParserSymbol {
/* Scope: pseudo-class */
SYMBOL_NTH_CHILD = GTK_STATE_LAST,
SYMBOL_FIRST_CHILD,
SYMBOL_LAST_CHILD,
/* Scope: nth-child */
SYMBOL_NTH_CHILD_EVEN,
SYMBOL_NTH_CHILD_ODD,
SYMBOL_NTH_CHILD_FIRST,
SYMBOL_NTH_CHILD_LAST
};
#define GTK_CSS_PROVIDER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_CSS_PROVIDER, GtkCssProviderPrivate))
static void gtk_css_provider_finalize (GObject *object);
@ -257,6 +275,15 @@ gtk_css_provider_init (GtkCssProvider *css_provider)
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "selected", GUINT_TO_POINTER (GTK_STATE_SELECTED));
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "insensitive", GUINT_TO_POINTER (GTK_STATE_INSENSITIVE));
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "nth-child", GUINT_TO_POINTER (SYMBOL_NTH_CHILD));
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "first-child", GUINT_TO_POINTER (SYMBOL_FIRST_CHILD));
g_scanner_scope_add_symbol (scanner, SCOPE_PSEUDO_CLASS, "last-child", GUINT_TO_POINTER (SYMBOL_LAST_CHILD));
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "even", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_EVEN));
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "odd", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_ODD));
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "first", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_FIRST));
g_scanner_scope_add_symbol (scanner, SCOPE_NTH_CHILD, "last", GUINT_TO_POINTER (SYMBOL_NTH_CHILD_LAST));
priv->scanner = scanner;
css_provider_apply_scope (css_provider, SCOPE_SELECTOR);
}
@ -623,6 +650,73 @@ css_provider_commit (GtkCssProvider *css_provider)
}
}
static GTokenType
parse_nth_child (GtkCssProvider *css_provider,
GScanner *scanner,
SelectorPath *selector,
GtkChildClassFlags *flags)
{
ParserSymbol symbol;
*flags = 0;
css_provider_push_scope (css_provider, SCOPE_PSEUDO_CLASS);
g_scanner_get_next_token (scanner);
if (scanner->token != G_TOKEN_SYMBOL)
return G_TOKEN_SYMBOL;
symbol = GPOINTER_TO_INT (scanner->value.v_symbol);
if (symbol == SYMBOL_NTH_CHILD)
{
g_scanner_get_next_token (scanner);
if (scanner->token != G_TOKEN_LEFT_PAREN)
return G_TOKEN_LEFT_PAREN;
css_provider_push_scope (css_provider, SCOPE_NTH_CHILD);
g_scanner_get_next_token (scanner);
if (scanner->token != G_TOKEN_SYMBOL)
return G_TOKEN_SYMBOL;
symbol = GPOINTER_TO_INT (scanner->value.v_symbol);
switch (symbol)
{
case SYMBOL_NTH_CHILD_EVEN:
*flags = GTK_CHILD_CLASS_EVEN;
break;
case SYMBOL_NTH_CHILD_ODD:
*flags = GTK_CHILD_CLASS_ODD;
break;
case SYMBOL_NTH_CHILD_FIRST:
*flags = GTK_CHILD_CLASS_FIRST;
break;
case SYMBOL_NTH_CHILD_LAST:
*flags = GTK_CHILD_CLASS_LAST;
break;
default:
break;
}
g_scanner_get_next_token (scanner);
if (scanner->token != G_TOKEN_RIGHT_PAREN)
return G_TOKEN_RIGHT_PAREN;
css_provider_pop_scope (css_provider);
}
else if (symbol == SYMBOL_FIRST_CHILD)
*flags = GTK_CHILD_CLASS_FIRST;
else if (symbol == SYMBOL_LAST_CHILD)
*flags = GTK_CHILD_CLASS_LAST;
css_provider_pop_scope (css_provider);
return G_TOKEN_NONE;
}
static GTokenType
parse_selector (GtkCssProvider *css_provider,
GScanner *scanner,
@ -642,6 +736,23 @@ parse_selector (GtkCssProvider *css_provider,
{
if (g_ascii_isupper (scanner->value.v_identifier[0]))
selector_path_prepend_type (path, scanner->value.v_identifier);
else if (g_ascii_islower (scanner->value.v_identifier[0]))
{
GtkChildClassFlags flags = 0;
/* Parse nth-child type pseudo-class */
if (g_scanner_peek_next_token (scanner) == ':')
{
GTokenType token;
g_scanner_get_next_token (scanner);
if ((token = parse_nth_child (css_provider, scanner, path, &flags)) != G_TOKEN_NONE)
{
selector_path_unref (path);
return token;
}
}
}
else if (scanner->value.v_identifier[0] == '*')
selector_path_prepend_glob (path);
else
@ -723,9 +834,7 @@ parse_value (GType type,
return TRUE;
}
else
{
g_warning ("Cannot parse string '%s' for type %s", value_str, g_type_name (type));
}
return FALSE;
}