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matcher: Turn GtkCssMatcher into a union

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That way, we can add more matchers as we need them.
This commit is contained in:
Benjamin Otte 2012-03-17 14:32:52 +01:00
parent b368c5f10a
commit 53317aed55
2 changed files with 50 additions and 42 deletions
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82
gtk/gtkcssmatcher.c
View File

@ -21,18 +21,20 @@
#include "gtkwidgetpath.h"
/* GTK_CSS_MATCHER_WIDGET_PATH */
static gboolean
gtk_css_matcher_widget_path_get_parent (GtkCssMatcher *matcher,
const GtkCssMatcher *child)
{
if (child->index == 0)
if (child->path.index == 0)
return FALSE;
matcher->klass = child->klass;
matcher->path = child->path;
matcher->state_flags = 0;
matcher->index = child->index - 1;
matcher->sibling_index = gtk_widget_path_iter_get_sibling_index (matcher->path, matcher->index);
matcher->path.klass = child->path.klass;
matcher->path.path = child->path.path;
matcher->path.state_flags = 0;
matcher->path.index = child->path.index - 1;
matcher->path.sibling_index = gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index);
return TRUE;
}
@ -41,14 +43,14 @@ static gboolean
gtk_css_matcher_widget_path_get_previous (GtkCssMatcher *matcher,
const GtkCssMatcher *next)
{
if (next->sibling_index == 0)
if (next->path.sibling_index == 0)
return FALSE;
matcher->klass = next->klass;
matcher->path = next->path;
matcher->state_flags = 0;
matcher->index = next->index;
matcher->sibling_index = next->sibling_index - 1;
matcher->path.klass = next->path.klass;
matcher->path.path = next->path.path;
matcher->path.state_flags = 0;
matcher->path.index = next->path.index;
matcher->path.sibling_index = next->path.sibling_index - 1;
return TRUE;
}
@ -56,7 +58,7 @@ gtk_css_matcher_widget_path_get_previous (GtkCssMatcher *matcher,
static GtkStateFlags
gtk_css_matcher_widget_path_get_state (const GtkCssMatcher *matcher)
{
return matcher->state_flags;
return matcher->path.state_flags;
}
static gboolean
@ -67,11 +69,11 @@ gtk_css_matcher_widget_path_has_name (const GtkCssMatcher *matcher,
GType type;
type = g_type_from_name (name);
siblings = gtk_widget_path_iter_get_siblings (matcher->path, matcher->index);
if (siblings && matcher->sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path, matcher->index))
return g_type_is_a (gtk_widget_path_iter_get_object_type (siblings, matcher->sibling_index), type);
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
return g_type_is_a (gtk_widget_path_iter_get_object_type (siblings, matcher->path.sibling_index), type);
else
return g_type_is_a (gtk_widget_path_iter_get_object_type (matcher->path, matcher->index), type);
return g_type_is_a (gtk_widget_path_iter_get_object_type (matcher->path.path, matcher->path.index), type);
}
static gboolean
@ -80,11 +82,11 @@ gtk_css_matcher_widget_path_has_class (const GtkCssMatcher *matcher,
{
const GtkWidgetPath *siblings;
siblings = gtk_widget_path_iter_get_siblings (matcher->path, matcher->index);
if (siblings && matcher->sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path, matcher->index))
return gtk_widget_path_iter_has_class (siblings, matcher->sibling_index, class_name);
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
return gtk_widget_path_iter_has_class (siblings, matcher->path.sibling_index, class_name);
else
return gtk_widget_path_iter_has_class (matcher->path, matcher->index, class_name);
return gtk_widget_path_iter_has_class (matcher->path.path, matcher->path.index, class_name);
}
static gboolean
@ -93,11 +95,11 @@ gtk_css_matcher_widget_path_has_id (const GtkCssMatcher *matcher,
{
const GtkWidgetPath *siblings;
siblings = gtk_widget_path_iter_get_siblings (matcher->path, matcher->index);
if (siblings && matcher->sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path, matcher->index))
return gtk_widget_path_iter_has_name (siblings, matcher->sibling_index, id);
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
return gtk_widget_path_iter_has_name (siblings, matcher->path.sibling_index, id);
else
return gtk_widget_path_iter_has_name (matcher->path, matcher->index, id);
return gtk_widget_path_iter_has_name (matcher->path.path, matcher->path.index, id);
}
static gboolean
@ -107,11 +109,11 @@ gtk_css_matcher_widget_path_has_regions (const GtkCssMatcher *matcher)
GSList *regions;
gboolean result;
siblings = gtk_widget_path_iter_get_siblings (matcher->path, matcher->index);
if (siblings && matcher->sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path, matcher->index))
regions = gtk_widget_path_iter_list_regions (siblings, matcher->sibling_index);
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
regions = gtk_widget_path_iter_list_regions (siblings, matcher->path.sibling_index);
else
regions = gtk_widget_path_iter_list_regions (matcher->path, matcher->index);
regions = gtk_widget_path_iter_list_regions (matcher->path.path, matcher->path.index);
result = regions != NULL;
g_slist_free (regions);
@ -126,15 +128,15 @@ gtk_css_matcher_widget_path_has_region (const GtkCssMatcher *matcher,
const GtkWidgetPath *siblings;
GtkRegionFlags region_flags;
siblings = gtk_widget_path_iter_get_siblings (matcher->path, matcher->index);
if (siblings && matcher->sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path, matcher->index))
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (siblings && matcher->path.sibling_index != gtk_widget_path_iter_get_sibling_index (matcher->path.path, matcher->path.index))
{
if (!gtk_widget_path_iter_has_region (siblings, matcher->sibling_index, region, &region_flags))
if (!gtk_widget_path_iter_has_region (siblings, matcher->path.sibling_index, region, &region_flags))
return FALSE;
}
else
{
if (!gtk_widget_path_iter_has_region (matcher->path, matcher->index, region, &region_flags))
if (!gtk_widget_path_iter_has_region (matcher->path.path, matcher->path.index, region, &region_flags))
return FALSE;
}
@ -147,7 +149,7 @@ gtk_css_matcher_widget_path_has_region (const GtkCssMatcher *matcher,
static guint
gtk_css_matcher_widget_path_get_sibling_index (const GtkCssMatcher *matcher)
{
return matcher->sibling_index;
return matcher->path.sibling_index;
}
static guint
@ -155,7 +157,7 @@ gtk_css_matcher_widget_path_get_n_siblings (const GtkCssMatcher *matcher)
{
const GtkWidgetPath *siblings;
siblings = gtk_widget_path_iter_get_siblings (matcher->path, matcher->index);
siblings = gtk_widget_path_iter_get_siblings (matcher->path.path, matcher->path.index);
if (!siblings)
return 0;
@ -180,10 +182,10 @@ _gtk_css_matcher_init (GtkCssMatcher *matcher,
const GtkWidgetPath *path,
GtkStateFlags state)
{
matcher->klass = &GTK_CSS_MATCHER_WIDGET_PATH;
matcher->path = path;
matcher->state_flags = state;
matcher->index = gtk_widget_path_length (path) - 1;
matcher->sibling_index = gtk_widget_path_iter_get_sibling_index (path, matcher->index);
matcher->path.klass = &GTK_CSS_MATCHER_WIDGET_PATH;
matcher->path.path = path;
matcher->path.state_flags = state;
matcher->path.index = gtk_widget_path_length (path) - 1;
matcher->path.sibling_index = gtk_widget_path_iter_get_sibling_index (path, matcher->path.index);
}

10
gtk/gtkcssmatcherprivate.h
View File

@ -23,7 +23,8 @@
G_BEGIN_DECLS
typedef struct _GtkCssMatcher GtkCssMatcher;
typedef union _GtkCssMatcher GtkCssMatcher;
typedef struct _GtkCssMatcherWidgetPath GtkCssMatcherWidgetPath;
typedef struct _GtkCssMatcherClass GtkCssMatcherClass;
struct _GtkCssMatcherClass {
@ -47,7 +48,7 @@ struct _GtkCssMatcherClass {
guint (* get_n_siblings) (const GtkCssMatcher *matcher);
};
struct _GtkCssMatcher {
struct _GtkCssMatcherWidgetPath {
const GtkCssMatcherClass *klass;
const GtkWidgetPath *path;
GtkStateFlags state_flags;
@ -55,6 +56,11 @@ struct _GtkCssMatcher {
guint sibling_index;
};
union _GtkCssMatcher {
const GtkCssMatcherClass *klass;
GtkCssMatcherWidgetPath path;
};
void _gtk_css_matcher_init (GtkCssMatcher *matcher,
const GtkWidgetPath *path,
GtkStateFlags state);