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#ifndef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <glib-object.h>
#include <gobject/gvaluecollector.h>
#include <clutter/clutter-color.h>
#include "tidy-style.h"
#include "tidy-marshal.h"
#include "tidy-debug.h"
enum
{
CHANGED,
LAST_SIGNAL
};
#define TIDY_STYLE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), TIDY_TYPE_STYLE, TidyStylePrivate))
typedef struct {
GType value_type;
gchar *value_name;
GValue value;
} StyleProperty;
struct _TidyStylePrivate
{
GHashTable *properties;
};
static guint style_signals[LAST_SIGNAL] = { 0, };
static const gchar *tidy_default_font_name = "Sans 12px";
static const ClutterColor tidy_default_text_color = { 0x00, 0x00, 0x00, 0xff };
static const ClutterColor tidy_default_bg_color = { 0xcc, 0xcc, 0xcc, 0xff };
static const ClutterColor tidy_default_active_color = { 0xf5, 0x79, 0x00, 0xff };
static TidyStyle *default_style = NULL;
G_DEFINE_TYPE (TidyStyle, tidy_style, G_TYPE_OBJECT);
static StyleProperty *
style_property_new (const gchar *value_name,
GType value_type)
{
StyleProperty *retval;
retval = g_slice_new0 (StyleProperty);
retval->value_type = value_type;
retval->value_name = g_strdup (value_name);
g_value_init (&retval->value, value_type);
return retval;
}
static void
style_property_free (gpointer data)
{
if (G_LIKELY (data))
{
StyleProperty *sp = data;
g_free (sp->value_name);
g_value_unset (&sp->value);
}
}
static void
init_defaults (TidyStyle *style)
{
TidyStylePrivate *priv = style->priv;
{
StyleProperty *sp;
sp = style_property_new (TIDY_FONT_NAME, G_TYPE_STRING);
g_value_set_string (&sp->value, tidy_default_font_name);
g_hash_table_insert (priv->properties, sp->value_name, sp);
}
{
StyleProperty *sp;
sp = style_property_new (TIDY_BACKGROUND_COLOR, CLUTTER_TYPE_COLOR);
g_value_set_boxed (&sp->value, &tidy_default_bg_color);
g_hash_table_insert (priv->properties, sp->value_name, sp);
}
{
StyleProperty *sp;
sp = style_property_new (TIDY_ACTIVE_COLOR, CLUTTER_TYPE_COLOR);
g_value_set_boxed (&sp->value, &tidy_default_active_color);
g_hash_table_insert (priv->properties, sp->value_name, sp);
}
{
StyleProperty *sp;
sp = style_property_new (TIDY_TEXT_COLOR, CLUTTER_TYPE_COLOR);
g_value_set_boxed (&sp->value, &tidy_default_text_color);
g_hash_table_insert (priv->properties, sp->value_name, sp);
}
}
static gboolean
tidy_style_load_from_file (TidyStyle *style,
const gchar *filename,
GError **error)
{
GKeyFile *rc_file;
GError *internal_error;
rc_file = g_key_file_new ();
internal_error = NULL;
g_key_file_load_from_file (rc_file, filename, 0, &internal_error);
if (internal_error)
{
/* if the specified files does not exist then just ignore it
* and fall back to the default values; if, instead, the file
* is not accessible or is malformed, propagate the error
*/
if (internal_error->domain == G_FILE_ERROR &&
internal_error->code == G_FILE_ERROR_NOENT)
{
g_error_free (internal_error);
return TRUE;
}
g_propagate_error (error, internal_error);
return FALSE;
}
g_key_file_free (rc_file);
return TRUE;
}
static void
tidy_style_load (TidyStyle *style)
{
const gchar *env_var;
gchar *rc_file = NULL;
GError *error;
init_defaults (style);
env_var = g_getenv ("TIDY_RC_FILE");
if (env_var && *env_var)
rc_file = g_strdup (env_var);
if (!rc_file)
rc_file = g_build_filename (g_get_user_config_dir (),
"tidy",
"tidyrc",
NULL);
error = NULL;
if (!tidy_style_load_from_file (style, rc_file, &error))
{
g_critical ("Unable to load resource file `%s': %s",
rc_file,
error->message);
g_error_free (error);
}
}
static void
tidy_style_finalize (GObject *gobject)
{
TidyStylePrivate *priv = TIDY_STYLE (gobject)->priv;
g_hash_table_destroy (priv->properties);
G_OBJECT_CLASS (tidy_style_parent_class)->finalize (gobject);
}
static void
tidy_style_class_init (TidyStyleClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (TidyStylePrivate));
gobject_class->finalize = tidy_style_finalize;
style_signals[CHANGED] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (TidyStyleClass, changed),
NULL, NULL,
_tidy_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
tidy_style_init (TidyStyle *style)
{
TidyStylePrivate *priv;
style->priv = priv = TIDY_STYLE_GET_PRIVATE (style);
priv->properties = g_hash_table_new_full (g_str_hash, g_str_equal,
NULL,
style_property_free);
tidy_style_load (style);
}
/* need to unref */
TidyStyle *
tidy_style_new (void)
{
return g_object_new (TIDY_TYPE_STYLE, NULL);
}
/* never ref/unref */
TidyStyle *
tidy_style_get_default (void)
{
if (G_LIKELY (default_style))
return default_style;
default_style = g_object_new (TIDY_TYPE_STYLE, NULL);
return default_style;
}
gboolean
tidy_style_has_property (TidyStyle *style,
const gchar *property_name)
{
g_return_val_if_fail (TIDY_IS_STYLE (style), FALSE);
g_return_val_if_fail (property_name != NULL, FALSE);
return (g_hash_table_lookup (style->priv->properties, property_name) != NULL);
}
void
tidy_style_add_property (TidyStyle *style,
const gchar *property_name,
GType property_type)
{
StyleProperty *property;
g_return_if_fail (TIDY_IS_STYLE (style));
g_return_if_fail (property_name != NULL);
g_return_if_fail (property_type != G_TYPE_INVALID);
property = g_hash_table_lookup (style->priv->properties, property_name);
if (property)
{
g_warning ("A property named `%s', with type %s already exists.",
property->value_name,
g_type_name (property->value_type));
return;
}
property = style_property_new (property_name, property_type);
g_hash_table_insert (style->priv->properties, property->value_name, property);
g_signal_emit (style, style_signals[CHANGED], 0);
}
void
tidy_style_get_property (TidyStyle *style,
const gchar *property_name,
GValue *value)
{
StyleProperty *property;
g_return_if_fail (TIDY_IS_STYLE (style));
g_return_if_fail (property_name != NULL);
g_return_if_fail (value != NULL);
property = g_hash_table_lookup (style->priv->properties, property_name);
if (!property)
{
g_warning ("No style property named `%s' found.", property_name);
return;
}
g_value_init (value, property->value_type);
g_value_copy (&property->value, value);
}
void
tidy_style_set_property (TidyStyle *style,
const gchar *property_name,
const GValue *value)
{
StyleProperty *property;
g_return_if_fail (TIDY_IS_STYLE (style));
g_return_if_fail (property_name != NULL);
g_return_if_fail (value != NULL);
property = g_hash_table_lookup (style->priv->properties, property_name);
if (!property)
{
g_warning ("No style property named `%s' found.", property_name);
return;
}
g_value_copy (value, &property->value);
g_signal_emit (style, style_signals[CHANGED], 0);
}
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