mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-07 01:00:28 +00:00
Added GtkCssProvider.
GtkCssProvider is a GtkStyleProvider implementation which is able to read CSS-like input to style widgets. At the moment, only the basic parser features are available.
This commit is contained in:
Carlos Garnacho
parent
7c5c4d86ae
commit
bccad0c65c
@ -193,6 +193,7 @@ gtk_public_h_sources = \
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gtkcombobox.h \
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gtkcomboboxtext.h \
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gtkcontainer.h \
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gtkcssprovider.h \
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gtkdebug.h \
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gtkdialog.h \
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gtkdnd.h \
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@ -480,6 +481,7 @@ gtk_base_c_sources = \
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gtkcombobox.c \
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gtkcomboboxtext.c \
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gtkcontainer.c \
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gtkcssprovider.c \
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gtkdialog.c \
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gtkdrawingarea.c \
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gtkeditable.c \
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@ -77,6 +77,7 @@
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#include <gtk/gtkcombobox.h>
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#include <gtk/gtkcomboboxtext.h>
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#include <gtk/gtkcontainer.h>
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#include <gtk/gtkcssprovider.h>
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#include <gtk/gtkdebug.h>
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#include <gtk/gtkdialog.h>
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#include <gtk/gtkdnd.h>
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835
gtk/gtkcssprovider.c
Normal file
835
gtk/gtkcssprovider.c
Normal file
@ -0,0 +1,835 @@
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/* GTK - The GIMP Toolkit
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* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include <gtkstyleprovider.h>
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#include "gtkcssprovider.h"
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#include "gtkalias.h"
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typedef struct GtkCssProviderPrivate GtkCssProviderPrivate;
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typedef struct SelectorElement SelectorElement;
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typedef struct SelectorPath SelectorPath;
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typedef struct SelectorStyleInfo SelectorStyleInfo;
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typedef enum SelectorElementType SelectorElementType;
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typedef enum ParserScope ParserScope;
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enum SelectorElementType {
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SELECTOR_TYPE_NAME,
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SELECTOR_NAME,
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SELECTOR_GTYPE
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};
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struct SelectorElement
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{
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SelectorElementType elem_type;
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GtkStateType state;
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union
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{
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GQuark name;
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GType type;
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};
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};
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struct SelectorPath
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{
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GSList *elements;
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guint ref_count;
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};
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struct SelectorStyleInfo
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{
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SelectorPath *path;
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GHashTable *style;
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};
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struct GtkCssProviderPrivate
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{
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GScanner *scanner;
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GPtrArray *selectors_info;
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/* Current parser state */
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GSList *state;
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GSList *cur_selectors;
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GHashTable *cur_properties;
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};
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enum ParserScope {
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SCOPE_SELECTOR,
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SCOPE_DECLARATION,
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SCOPE_VALUE
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};
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#define GTK_CSS_PROVIDER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GTK_TYPE_CSS_PROVIDER, GtkCssProviderPrivate))
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static void gtk_css_provider_finalize (GObject *object);
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static void gtk_css_style_provider_iface_init (GtkStyleProviderIface *iface);
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static void css_provider_apply_scope (GtkCssProvider *css_provider,
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ParserScope scope);
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G_DEFINE_TYPE_EXTENDED (GtkCssProvider, gtk_css_provider, G_TYPE_OBJECT, 0,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_STYLE_PROVIDER,
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gtk_css_style_provider_iface_init));
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static void
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gtk_css_provider_class_init (GtkCssProviderClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gtk_css_provider_finalize;
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g_type_class_add_private (object_class, sizeof (GtkCssProviderPrivate));
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}
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static SelectorPath *
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selector_path_new (void)
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{
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SelectorPath *path;
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path = g_slice_new0 (SelectorPath);
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path->ref_count = 1;
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return path;
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}
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static SelectorPath *
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selector_path_ref (SelectorPath *path)
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{
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path->ref_count++;
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return path;
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}
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static void
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selector_path_unref (SelectorPath *path)
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{
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path->ref_count--;
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if (path->ref_count > 0)
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return;
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while (path->elements)
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{
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g_slice_free (SelectorPath, path->elements->data);
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path->elements = g_slist_delete_link (path->elements, path->elements);
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}
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g_slice_free (SelectorPath, path);
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}
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static void
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selector_path_prepend_type (SelectorPath *path,
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const gchar *type_name)
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{
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SelectorElement *elem;
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GType type;
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elem = g_slice_new (SelectorElement);
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type = g_type_from_name (type_name);
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if (type == G_TYPE_INVALID)
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{
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elem->elem_type = SELECTOR_TYPE_NAME;
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elem->name = g_quark_from_string (type_name);
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}
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else
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{
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elem->elem_type = SELECTOR_GTYPE;
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elem->type = type;
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}
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path->elements = g_slist_prepend (path->elements, elem);
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}
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static SelectorStyleInfo *
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selector_style_info_new (SelectorPath *path)
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{
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SelectorStyleInfo *info;
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info = g_slice_new0 (SelectorStyleInfo);
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info->path = selector_path_ref (path);
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return info;
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}
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static void
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selector_style_info_free (SelectorStyleInfo *info)
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{
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if (info->style)
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g_hash_table_unref (info->style);
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if (info->path)
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selector_path_unref (info->path);
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}
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static void
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selector_style_info_set_style (SelectorStyleInfo *info,
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GHashTable *style)
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{
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if (info->style)
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g_hash_table_unref (info->style);
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if (style)
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info->style = g_hash_table_ref (style);
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else
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info->style = NULL;
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}
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static void
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gtk_css_provider_init (GtkCssProvider *css_provider)
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{
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GtkCssProviderPrivate *priv;
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GScanner *scanner;
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priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
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priv->selectors_info = g_ptr_array_new_with_free_func ((GDestroyNotify) selector_style_info_free);
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scanner = g_scanner_new (NULL);
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/* scanner->input_name = path; */
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priv->scanner = scanner;
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css_provider_apply_scope (css_provider, SCOPE_SELECTOR);
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}
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typedef struct ComparePathData ComparePathData;
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struct ComparePathData
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{
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guint64 score;
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SelectorPath *path;
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GSList *iter;
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};
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static gboolean
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compare_path_foreach (GType type,
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const gchar *name,
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gpointer user_data)
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{
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ComparePathData *data;
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SelectorElement *elem;
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data = user_data;
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elem = data->iter->data;
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if (elem->elem_type == SELECTOR_TYPE_NAME)
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{
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const gchar *type_name;
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GType resolved_type;
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/* Resolve the type name */
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type_name = g_quark_to_string (elem->name);
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resolved_type = g_type_from_name (type_name);
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if (resolved_type == G_TYPE_INVALID)
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{
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/* Type couldn't be resolved, so the selector
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* clearly doesn't affect the given widget path
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*/
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data->score = 0;
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return TRUE;
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}
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elem->elem_type = SELECTOR_GTYPE;
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elem->type = resolved_type;
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}
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if (elem->elem_type == SELECTOR_GTYPE)
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{
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if (!g_type_is_a (type, elem->type))
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{
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/* Selector definitely doesn't match */
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data->score = 0;
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return TRUE;
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}
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else if (type == elem->type)
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data->score |= 0xF;
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else
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{
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GType parent = type;
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guint8 score = 0xE;
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while ((parent = g_type_parent (parent)) != G_TYPE_INVALID)
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{
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if (parent == elem->type)
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break;
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score--;
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if (score == 1)
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{
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g_warning ("Hierarchy is higher than expected.");
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break;
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}
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}
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data->score |= score;
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}
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}
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data->iter = data->iter->next;
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if (data->iter)
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{
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data->score <<= 4;
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return FALSE;
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}
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return TRUE;
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}
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static guint64
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compare_selector (GtkWidgetPath *path,
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SelectorPath *selector)
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{
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ComparePathData data;
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data.score = 0;
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data.path = selector;
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data.iter = selector->elements;
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gtk_widget_path_foreach (path,
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compare_path_foreach,
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&data);
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if (data.iter)
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{
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/* There is remaining data to compare,
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* so don't take it as a match.
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*/
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data.score = 0;
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}
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return data.score;
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}
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typedef struct StylePriorityInfo StylePriorityInfo;
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struct StylePriorityInfo
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{
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guint64 score;
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GHashTable *style;
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};
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static GtkStyleSet *
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gtk_style_get_style (GtkStyleProvider *provider,
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GtkWidgetPath *path)
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{
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GtkCssProviderPrivate *priv;
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GtkStyleSet *set;
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GArray *priority_info;
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guint i, j;
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priv = GTK_CSS_PROVIDER_GET_PRIVATE (provider);
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set = gtk_style_set_new ();
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priority_info = g_array_new (FALSE, FALSE, sizeof (StylePriorityInfo));
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for (i = 0; i < priv->selectors_info->len; i++)
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{
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SelectorStyleInfo *info;
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StylePriorityInfo new;
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gboolean added = FALSE;
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guint64 score;
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info = g_ptr_array_index (priv->selectors_info, i);
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score = compare_selector (path, info->path);
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if (score <= 0)
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continue;
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new.score = score;
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new.style = info->style;
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for (j = 0; j < priority_info->len; j++)
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{
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StylePriorityInfo *cur;
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cur = &g_array_index (priority_info, StylePriorityInfo, j);
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if (cur->score > new.score)
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{
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g_array_insert_val (priority_info, j, new);
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added = TRUE;
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break;
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}
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}
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if (!added)
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g_array_append_val (priority_info, new);
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}
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for (i = 0; i < priority_info->len; i++)
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{
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StylePriorityInfo *info;
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GHashTableIter iter;
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gpointer key, value;
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info = &g_array_index (priority_info, StylePriorityInfo, i);
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g_hash_table_iter_init (&iter, info->style);
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while (g_hash_table_iter_next (&iter, &key, &value))
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gtk_style_set_set_property (set, key, GTK_STATE_NORMAL, value);
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}
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g_array_free (priority_info, TRUE);
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return set;
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}
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static void
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gtk_css_style_provider_iface_init (GtkStyleProviderIface *iface)
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{
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iface->get_style = gtk_style_get_style;
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}
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static void
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gtk_css_provider_finalize (GObject *object)
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{
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GtkCssProviderPrivate *priv;
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priv = GTK_CSS_PROVIDER_GET_PRIVATE (object);
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g_scanner_destroy (priv->scanner);
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g_ptr_array_free (priv->selectors_info, TRUE);
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g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
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g_slist_free (priv->cur_selectors);
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g_hash_table_unref (priv->cur_properties);
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G_OBJECT_CLASS (gtk_css_provider_parent_class)->finalize (object);
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}
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GtkCssProvider *
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gtk_css_provider_new (void)
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{
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return g_object_new (GTK_TYPE_CSS_PROVIDER, NULL);
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}
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static void
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property_value_free (GValue *value)
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{
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if (G_IS_VALUE (value))
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g_value_unset (value);
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g_slice_free (GValue, value);
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}
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static void
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css_provider_apply_scope (GtkCssProvider *css_provider,
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ParserScope scope)
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{
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GtkCssProviderPrivate *priv;
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priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
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g_scanner_set_scope (priv->scanner, scope);
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if (scope == SCOPE_VALUE)
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{
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priv->scanner->config->cset_identifier_first = G_CSET_a_2_z "#-_0123456789" G_CSET_A_2_Z;
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priv->scanner->config->cset_identifier_nth = G_CSET_a_2_z "#-_ 0123456789" G_CSET_A_2_Z;
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}
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else
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{
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priv->scanner->config->cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z;
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priv->scanner->config->cset_identifier_nth = G_CSET_a_2_z "-" G_CSET_A_2_Z;
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}
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priv->scanner->config->scan_float = FALSE;
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}
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static void
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css_provider_push_scope (GtkCssProvider *css_provider,
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ParserScope scope)
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{
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GtkCssProviderPrivate *priv;
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priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
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priv->state = g_slist_prepend (priv->state, GUINT_TO_POINTER (scope));
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css_provider_apply_scope (css_provider, scope);
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}
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static ParserScope
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css_provider_pop_scope (GtkCssProvider *css_provider)
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{
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GtkCssProviderPrivate *priv;
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ParserScope scope = SCOPE_SELECTOR;
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priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
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if (!priv->state)
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{
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g_warning ("Push/pop calls to parser scope aren't paired");
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css_provider_apply_scope (css_provider, SCOPE_SELECTOR);
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return SCOPE_SELECTOR;
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}
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priv->state = g_slist_delete_link (priv->state, priv->state);
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/* Fetch new scope */
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if (priv->state)
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scope = GPOINTER_TO_INT (priv->state->data);
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css_provider_apply_scope (css_provider, scope);
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return scope;
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}
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static void
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css_provider_reset_parser (GtkCssProvider *css_provider)
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{
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GtkCssProviderPrivate *priv;
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priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
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g_slist_free (priv->state);
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priv->state = NULL;
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css_provider_apply_scope (css_provider, SCOPE_SELECTOR);
|
||||
|
||||
g_slist_foreach (priv->cur_selectors, (GFunc) selector_path_unref, NULL);
|
||||
g_slist_free (priv->cur_selectors);
|
||||
priv->cur_selectors = NULL;
|
||||
|
||||
if (priv->cur_properties)
|
||||
g_hash_table_unref (priv->cur_properties);
|
||||
|
||||
priv->cur_properties = g_hash_table_new_full (g_str_hash,
|
||||
g_str_equal,
|
||||
(GDestroyNotify) g_free,
|
||||
(GDestroyNotify) property_value_free);
|
||||
}
|
||||
|
||||
static void
|
||||
css_provider_commit (GtkCssProvider *css_provider)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
GSList *l;
|
||||
|
||||
priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
|
||||
l = priv->cur_selectors;
|
||||
|
||||
while (l)
|
||||
{
|
||||
SelectorPath *path = l->data;
|
||||
SelectorStyleInfo *info;
|
||||
|
||||
info = selector_style_info_new (path);
|
||||
selector_style_info_set_style (info, priv->cur_properties);
|
||||
|
||||
g_ptr_array_add (priv->selectors_info, info);
|
||||
l = l->next;
|
||||
}
|
||||
}
|
||||
|
||||
static GTokenType
|
||||
parse_selector (GScanner *scanner,
|
||||
SelectorPath **selector_out)
|
||||
{
|
||||
SelectorPath *path;
|
||||
|
||||
*selector_out = NULL;
|
||||
|
||||
if (scanner->token != G_TOKEN_IDENTIFIER)
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
|
||||
path = selector_path_new ();
|
||||
|
||||
if (g_ascii_isupper (scanner->value.v_identifier[0]))
|
||||
{
|
||||
while (scanner->token == G_TOKEN_IDENTIFIER &&
|
||||
g_ascii_isupper (scanner->value.v_identifier[0]))
|
||||
{
|
||||
selector_path_prepend_type (path, scanner->value.v_identifier);
|
||||
g_scanner_get_next_token (scanner);
|
||||
}
|
||||
|
||||
if (scanner->token == '.')
|
||||
{
|
||||
/* style class scanning */
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
if (scanner->token != G_TOKEN_IDENTIFIER)
|
||||
{
|
||||
selector_path_unref (path);
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
}
|
||||
|
||||
g_print ("Style class: %s\n", scanner->value.v_identifier);
|
||||
g_scanner_get_next_token (scanner);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
selector_path_unref (path);
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
}
|
||||
|
||||
*selector_out = path;
|
||||
|
||||
return G_TOKEN_NONE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
parse_value (GType type,
|
||||
const gchar *value_str,
|
||||
GValue *value)
|
||||
{
|
||||
g_value_init (value, type);
|
||||
|
||||
if (type == GDK_TYPE_COLOR)
|
||||
{
|
||||
GdkColor color;
|
||||
|
||||
if (gdk_color_parse (value_str, &color) == FALSE)
|
||||
return FALSE;
|
||||
|
||||
g_value_set_boxed (value, &color);
|
||||
return TRUE;
|
||||
}
|
||||
else if (type == PANGO_TYPE_FONT_DESCRIPTION)
|
||||
{
|
||||
PangoFontDescription *font_desc;
|
||||
|
||||
font_desc = pango_font_description_from_string (value_str);
|
||||
g_value_take_boxed (value, font_desc);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
else if (type == G_TYPE_INT)
|
||||
{
|
||||
g_value_set_int (value, atoi (value_str));
|
||||
return TRUE;
|
||||
}
|
||||
else if (type == G_TYPE_DOUBLE)
|
||||
{
|
||||
g_value_set_double (value, g_ascii_strtod (value_str, NULL));
|
||||
return TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
g_warning ("Cannot parse string '%s' for type %s", value_str, g_type_name (type));
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static GTokenType
|
||||
parse_rule (GtkCssProvider *css_provider,
|
||||
GScanner *scanner)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
GTokenType expected_token;
|
||||
SelectorPath *selector;
|
||||
|
||||
priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
|
||||
|
||||
css_provider_push_scope (css_provider, SCOPE_SELECTOR);
|
||||
expected_token = parse_selector (scanner, &selector);
|
||||
|
||||
if (expected_token != G_TOKEN_NONE)
|
||||
return expected_token;
|
||||
|
||||
priv->cur_selectors = g_slist_prepend (priv->cur_selectors, selector);
|
||||
|
||||
while (scanner->token == ',')
|
||||
{
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
expected_token = parse_selector (scanner, &selector);
|
||||
|
||||
if (expected_token != G_TOKEN_NONE)
|
||||
return expected_token;
|
||||
|
||||
priv->cur_selectors = g_slist_prepend (priv->cur_selectors, selector);
|
||||
}
|
||||
|
||||
css_provider_pop_scope (css_provider);
|
||||
|
||||
if (scanner->token != G_TOKEN_LEFT_CURLY)
|
||||
return G_TOKEN_LEFT_CURLY;
|
||||
|
||||
/* Declarations parsing */
|
||||
css_provider_push_scope (css_provider, SCOPE_DECLARATION);
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
while (scanner->token == G_TOKEN_IDENTIFIER)
|
||||
{
|
||||
const gchar *value_str = NULL;
|
||||
GValue value = { 0 };
|
||||
GType prop_type;
|
||||
gchar *prop;
|
||||
|
||||
prop = g_strdup (scanner->value.v_identifier);
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
if (scanner->token != ':')
|
||||
{
|
||||
g_free (prop);
|
||||
return ':';
|
||||
}
|
||||
|
||||
css_provider_push_scope (css_provider, SCOPE_VALUE);
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
if (scanner->token != G_TOKEN_IDENTIFIER)
|
||||
{
|
||||
g_free (prop);
|
||||
return G_TOKEN_IDENTIFIER;
|
||||
}
|
||||
|
||||
value_str = g_strstrip (scanner->value.v_identifier);
|
||||
|
||||
if (gtk_style_set_lookup_property (prop, &prop_type, NULL) &&
|
||||
parse_value (prop_type, value_str, &value))
|
||||
{
|
||||
GValue *val;
|
||||
|
||||
val = g_slice_new0 (GValue);
|
||||
g_value_init (val, prop_type);
|
||||
g_value_copy (&value, val);
|
||||
|
||||
g_hash_table_insert (priv->cur_properties, prop, val);
|
||||
}
|
||||
else
|
||||
g_free (prop);
|
||||
|
||||
css_provider_pop_scope (css_provider);
|
||||
g_scanner_get_next_token (scanner);
|
||||
|
||||
if (scanner->token != ';')
|
||||
return ';';
|
||||
|
||||
g_scanner_get_next_token (scanner);
|
||||
}
|
||||
|
||||
if (scanner->token != G_TOKEN_RIGHT_CURLY)
|
||||
return G_TOKEN_RIGHT_CURLY;
|
||||
|
||||
css_provider_pop_scope (css_provider);
|
||||
|
||||
return G_TOKEN_NONE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
parse_stylesheet (GtkCssProvider *css_provider)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
|
||||
priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
|
||||
g_scanner_get_next_token (priv->scanner);
|
||||
|
||||
while (!g_scanner_eof (priv->scanner))
|
||||
{
|
||||
GTokenType expected_token;
|
||||
|
||||
css_provider_reset_parser (css_provider);
|
||||
expected_token = parse_rule (css_provider, priv->scanner);
|
||||
|
||||
if (expected_token != G_TOKEN_NONE)
|
||||
{
|
||||
g_scanner_unexp_token (priv->scanner, expected_token,
|
||||
NULL, NULL, NULL,
|
||||
"Error parsing style resource", FALSE);
|
||||
|
||||
while (!g_scanner_eof (priv->scanner) &&
|
||||
priv->scanner->token != G_TOKEN_RIGHT_CURLY)
|
||||
g_scanner_get_next_token (priv->scanner);
|
||||
}
|
||||
else
|
||||
css_provider_commit (css_provider);
|
||||
|
||||
g_scanner_get_next_token (priv->scanner);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gtk_css_provider_load_from_data (GtkCssProvider *css_provider,
|
||||
const gchar *data,
|
||||
gssize length,
|
||||
GError *error)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
|
||||
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
|
||||
g_return_val_if_fail (data != NULL, FALSE);
|
||||
|
||||
priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
|
||||
|
||||
if (length < 0)
|
||||
length = strlen (data);
|
||||
|
||||
if (priv->selectors_info->len > 0)
|
||||
g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
|
||||
|
||||
css_provider_reset_parser (css_provider);
|
||||
g_scanner_input_text (priv->scanner, data, (guint) length);
|
||||
|
||||
parse_stylesheet (css_provider);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gtk_css_provider_load_from_file (GtkCssProvider *css_provider,
|
||||
GFile *file,
|
||||
GError **error)
|
||||
{
|
||||
GtkCssProviderPrivate *priv;
|
||||
GError *internal_error = NULL;
|
||||
gchar *data;
|
||||
gsize length;
|
||||
|
||||
g_return_val_if_fail (GTK_IS_CSS_PROVIDER (css_provider), FALSE);
|
||||
g_return_val_if_fail (G_IS_FILE (file), FALSE);
|
||||
|
||||
priv = GTK_CSS_PROVIDER_GET_PRIVATE (css_provider);
|
||||
|
||||
if (!g_file_load_contents (file, NULL,
|
||||
&data, &length,
|
||||
NULL, &internal_error))
|
||||
{
|
||||
g_propagate_error (error, internal_error);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (priv->selectors_info->len > 0)
|
||||
g_ptr_array_remove_range (priv->selectors_info, 0, priv->selectors_info->len);
|
||||
|
||||
css_provider_reset_parser (css_provider);
|
||||
g_scanner_input_text (priv->scanner, data, (guint) length);
|
||||
|
||||
parse_stylesheet (css_provider);
|
||||
|
||||
g_free (data);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
#define __GTK_CSS_PROVIDER_C__
|
||||
#include "gtkaliasdef.c"
|
||||
61
gtk/gtkcssprovider.h
Normal file
61
gtk/gtkcssprovider.h
Normal file
@ -0,0 +1,61 @@
|
||||
/* GTK - The GIMP Toolkit
|
||||
* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifndef __GTK_CSS_PROVIDER_H__
|
||||
#define __GTK_CSS_PROVIDER_H__
|
||||
|
||||
#include <glib-object.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GTK_TYPE_CSS_PROVIDER (gtk_css_provider_get_type ())
|
||||
#define GTK_CSS_PROVIDER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_CSS_PROVIDER, GtkCssProvider))
|
||||
#define GTK_CSS_PROVIDER_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GTK_TYPE_CSS_PROVIDER, GtkCssProviderClass))
|
||||
#define GTK_IS_CSS_PROVIDER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_CSS_PROVIDER))
|
||||
#define GTK_IS_CSS_PROVIDER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GTK_TYPE_CSS_PROVIDER))
|
||||
#define GTK_CSS_PROVIDER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_CSS_PROVIDER, GtkCssProviderClass))
|
||||
|
||||
typedef struct GtkCssProvider GtkCssProvider;
|
||||
typedef struct GtkCssProviderClass GtkCssProviderClass;
|
||||
|
||||
struct GtkCssProvider
|
||||
{
|
||||
GObject parent_instance;
|
||||
};
|
||||
|
||||
struct GtkCssProviderClass
|
||||
{
|
||||
GObjectClass parent_class;
|
||||
};
|
||||
|
||||
GType gtk_css_provider_get_type (void) G_GNUC_CONST;
|
||||
|
||||
GtkCssProvider * gtk_css_provider_new (void);
|
||||
|
||||
gboolean gtk_css_provider_load_from_data (GtkCssProvider *css_provider,
|
||||
const gchar *data,
|
||||
gssize length,
|
||||
GError *error);
|
||||
gboolean gtk_css_provider_load_from_file (GtkCssProvider *css_provider,
|
||||
GFile *file,
|
||||
GError **error);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GTK_CSS_PROVIDER_H__ */
|
||||
Loading…
Reference in New Issue
Block a user