diff options
| -rw-r--r-- | docs/reference/gtk/gtk3-sections.txt | 1 | ||||
| -rw-r--r-- | gtk/gtk.symbols | 1 | ||||
| -rw-r--r-- | gtk/gtkcssprovider.c | 317 | ||||
| -rw-r--r-- | gtk/gtkcssprovider.h | 2 |
4 files changed, 321 insertions, 0 deletions
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt index 5333b01210..242e582576 100644 --- a/docs/reference/gtk/gtk3-sections.txt +++ b/docs/reference/gtk/gtk3-sections.txt @@ -5662,6 +5662,7 @@ gtk_css_provider_load_from_data gtk_css_provider_load_from_file gtk_css_provider_load_from_path gtk_css_provider_new +gtk_css_provider_to_string GTK_CSS_PROVIDER_ERROR GtkCssProviderError <SUBSECTION Standard> diff --git a/gtk/gtk.symbols b/gtk/gtk.symbols index 49d0f2cce7..ee492ff1c9 100644 --- a/gtk/gtk.symbols +++ b/gtk/gtk.symbols @@ -698,6 +698,7 @@ gtk_css_provider_load_from_data gtk_css_provider_load_from_file gtk_css_provider_load_from_path gtk_css_provider_new +gtk_css_provider_to_string #ifdef G_OS_UNIX gtk_custom_paper_unix_dialog_get_type G_GNUC_CONST #endif diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c index d895c0a551..80ab697a7d 100644 --- a/gtk/gtkcssprovider.c +++ b/gtk/gtkcssprovider.c @@ -4249,3 +4249,320 @@ gtk_css_provider_get_named (const gchar *name, return provider; } + +static void +gtk_css_provider_print_value (const GValue *value, + GString * str) +{ + char *s; + + if (G_VALUE_TYPE (value) == GTK_TYPE_BORDER) + { + const GtkBorder *border = g_value_get_boxed (value); + + if (border == NULL) + g_string_append (str, "none"); + else if (border->left != border->right) + g_string_append_printf (str, "%d %d %d %d", border->top, border->right, border->bottom, border->left); + else if (border->top != border->bottom) + g_string_append_printf (str, "%d %d %d", border->top, border->right, border->bottom); + else if (border->top != border->left) + g_string_append_printf (str, "%d %d", border->top, border->right); + else + g_string_append_printf (str, "%d", border->top); + + return; + } + else if (G_VALUE_TYPE (value) == GDK_TYPE_RGBA) + { + const GdkRGBA *rgba = g_value_get_boxed (value); + if (rgba == NULL) + g_string_append (str, "none"); + else + { + s = gdk_rgba_to_string (g_value_get_boxed (value)); + g_string_append (str, s); + g_free (s); + } + return; + } + else if (G_VALUE_TYPE (value) == GTK_TYPE_SYMBOLIC_COLOR) + { + GtkSymbolicColor *color = g_value_get_boxed (value); + + if (color == NULL) + g_string_append (str, "none"); + else + { + s = gtk_symbolic_color_to_string (color); + g_string_append (str, s); + g_free (s); + } + return; + } + else if (G_VALUE_TYPE (value) == GTK_TYPE_ANIMATION_DESCRIPTION) + { + GtkAnimationDescription *desc = g_value_get_boxed (value); + + if (desc == NULL) + g_string_append (str, "none"); + else + { + s = _gtk_animation_description_to_string (desc); + g_string_append (str, s); + g_free (s); + } + return; + } + else if (G_VALUE_TYPE (value) == GTK_TYPE_GRADIENT) + { + GtkGradient *gradient = g_value_get_boxed (value); + + if (gradient == NULL) + g_string_append (str, "none"); + else + { + s = gtk_gradient_to_string (gradient); + g_string_append (str, s); + g_free (s); + } + return; + } + else if (G_VALUE_TYPE (value) == PANGO_TYPE_FONT_DESCRIPTION) + { + PangoFontDescription *desc = g_value_get_boxed (value); + + if (desc == NULL) + g_string_append (str, "none"); + else + { + s = pango_font_description_to_string (desc); + g_string_append (str, s); + g_free (s); + } + return; + } + + if (g_type_is_a (G_VALUE_TYPE (value), G_TYPE_ENUM)) + { + GEnumClass *enum_class; + GEnumValue *enum_value; + + enum_class = g_type_class_ref (G_VALUE_TYPE (value)); + enum_value = g_enum_get_value (enum_class, g_value_get_enum (value)); + + g_string_append (str, enum_value->value_nick); + + g_type_class_unref (enum_class); + return; + } + + /* fall back to boring strdup in the worst case */ + s = g_strdup_value_contents (value); + g_string_append (str, s); + g_free (s); +} + +static void +selector_path_print (const SelectorPath *path, + GString * str) +{ + GSList *walk, *reverse; + + reverse = g_slist_copy (path->elements); + reverse = g_slist_reverse (reverse); + + for (walk = reverse; walk; walk = walk->next) + { + SelectorElement *elem = walk->data; + + switch (elem->elem_type) + { + case SELECTOR_TYPE_NAME: + case SELECTOR_NAME: + g_string_append (str, g_quark_to_string (elem->name)); + break; + case SELECTOR_GTYPE: + g_string_append (str, g_type_name (elem->type)); + break; + case SELECTOR_REGION: + g_string_append (str, g_quark_to_string (elem->region.name)); + if (elem->region.flags) + { + char * flag_names[] = { + "nth-child(even)", + "nth-child(odd)", + "first-child", + "last-child", + "sorted" + }; + guint i; + + for (i = 0; i < G_N_ELEMENTS (flag_names); i++) + { + if (elem->region.flags & (1 << i)) + { + g_string_append_c (str, ':'); + g_string_append (str, flag_names[i]); + } + } + } + break; + case SELECTOR_CLASS: + g_string_append_c (str, '.'); + g_string_append (str, g_quark_to_string (elem->name)); + break; + case SELECTOR_GLOB: + if (walk->next == NULL || + elem->combinator != COMBINATOR_CHILD || + ((SelectorElement *) walk->next->data)->elem_type != SELECTOR_CLASS) + g_string_append (str, "*"); + break; + default: + g_assert_not_reached (); + } + + if (walk->next) + { + switch (elem->combinator) + { + case COMBINATOR_DESCENDANT: + if (elem->elem_type != SELECTOR_CLASS || + ((SelectorElement *) walk->next->data)->elem_type != SELECTOR_CLASS) + g_string_append_c (str, ' '); + break; + case COMBINATOR_CHILD: + if (((SelectorElement *) walk->next->data)->elem_type != SELECTOR_CLASS) + g_string_append (str, " > "); + break; + default: + g_assert_not_reached (); + } + } + + } + + if (path->state) + { + char * state_names[] = { + "active", + "hover", + "selected", + "insensitive", + "inconsistent", + "focus" + }; + guint i; + + for (i = 0; i < G_N_ELEMENTS (state_names); i++) + { + if (path->state & (1 << i)) + { + g_string_append_c (str, ':'); + g_string_append (str, state_names[i]); + } + } + } + + g_slist_free (reverse); +} + +static void +selector_style_info_print (const SelectorStyleInfo *info, + GString *str) +{ + GList *keys, *walk; + + selector_path_print (info->path, str); + + g_string_append (str, " {\n"); + + keys = g_hash_table_get_keys (info->style); + /* so the output is identical for identical selector styles */ + keys = g_list_sort (keys, (GCompareFunc) strcmp); + + for (walk = keys; walk; walk = walk->next) + { + const char *name = walk->data; + const GValue *value = g_hash_table_lookup (info->style, (gpointer) name); + + g_string_append (str, " "); + g_string_append (str, name); + g_string_append (str, ": "); + gtk_css_provider_print_value (value, str); + g_string_append (str, ";\n"); + } + + g_list_free (keys); + + g_string_append (str, "}\n"); +} + +static void +gtk_css_provider_print_colors (GHashTable *colors, + GString *str) +{ + GList *keys, *walk; + char *s; + + keys = g_hash_table_get_keys (colors); + /* so the output is identical for identical styles */ + keys = g_list_sort (keys, (GCompareFunc) strcmp); + + for (walk = keys; walk; walk = walk->next) + { + const char *name = walk->data; + GtkSymbolicColor *symbolic = g_hash_table_lookup (colors, (gpointer) name); + + g_string_append (str, "@define-color "); + g_string_append (str, name); + g_string_append (str, " "); + s = gtk_symbolic_color_to_string (symbolic); + g_string_append (str, s); + g_free (s); + g_string_append (str, ";\n"); + } + + g_list_free (keys); +} + +/** + * gtk_css_provider_to_string: + * @provider: the provider to write to a string + * + * Convertes the @provider into a string representation in CSS + * format. + * + * Using gtk_css_provider_load_from_data() with the return value + * from this function on a new provider created with + * gtk_css_provider_new() will basicallu create a duplicate of + * this @provider. + * + * Returns: a new string representing the @provider. + **/ +char * +gtk_css_provider_to_string (GtkCssProvider *provider) +{ + GtkCssProviderPrivate *priv; + GString *str; + guint i; + + g_return_val_if_fail (GTK_IS_CSS_PROVIDER (provider), NULL); + + priv = provider->priv; + + str = g_string_new (""); + + gtk_css_provider_print_colors (priv->symbolic_colors, str); + + for (i = 0; i < priv->selectors_info->len; i++) + { + if (i > 0) + g_string_append (str, "\n"); + selector_style_info_print (g_ptr_array_index (priv->selectors_info, i), + str); + } + + return g_string_free (str, FALSE); +} + diff --git a/gtk/gtkcssprovider.h b/gtk/gtkcssprovider.h index add2affd9a..4943393ffb 100644 --- a/gtk/gtkcssprovider.h +++ b/gtk/gtkcssprovider.h @@ -65,6 +65,8 @@ GType gtk_css_provider_get_type (void) G_GNUC_CONST; GtkCssProvider * gtk_css_provider_new (void); +char * gtk_css_provider_to_string (GtkCssProvider *provider); + gboolean gtk_css_provider_load_from_data (GtkCssProvider *css_provider, const gchar *data, gssize length, |