Remove the xed style scheme manager instance

f5d46ef3cc

xed/Makefile.am

@@ -60,7 +60,6 @@ NOINST_H_FILES =			\
 	xed-session.h			\
 	xed-settings.h 			\
 	xed-status-combo-box.h 	\
-	xed-style-scheme-manager.h	\
 	xed-tab-label.h		\
 	xedtextregion.h		\
 	xed-ui.h			\
@@ -142,7 +141,6 @@ libxed_c_files = 				\
 	xed-searchbar.c		\
 	xed-statusbar.c		\
 	xed-status-combo-box.c	\
-	xed-style-scheme-manager.c	\
 	xed-tab.c 			\
 	xed-tab-label.c		\
 	xed-utils.c 			\

xed/dialogs/xed-preferences-dialog.c

@@ -35,17 +35,19 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <errno.h>
 
 #include <glib/gi18n.h>
+#include <glib/gstdio.h>
 #include <gtk/gtk.h>
 #include <gtksourceview/gtksource.h>
 #include <libpeas-gtk/peas-gtk-plugin-manager.h>
+#include <gtksourceview/gtksourcestyleschememanager.h>
 
 #include "xed-preferences-dialog.h"
 #include "xed-utils.h"
 #include "xed-debug.h"
 #include "xed-document.h"
-#include "xed-style-scheme-manager.h"
 #include "xed-help.h"
 #include "xed-dirs.h"
 #include "xed-settings.h"
@@ -429,14 +431,36 @@ setup_font_colors_page_font_section (XedPreferencesDialog *dlg)
     gtk_widget_set_sensitive (dlg->priv->font_hbox, !use_default_font);
 }
 
+static gboolean
+is_xed_user_style_scheme (const gchar *scheme_id)
+{
+    GtkSourceStyleSchemeManager *manager;
+    GtkSourceStyleScheme *scheme;
+    gboolean res = FALSE;
+
+    manager = gtk_source_style_scheme_manager_get_default ();
+    scheme = gtk_source_style_scheme_manager_get_scheme (manager, scheme_id);
+    if (scheme != NULL)
+    {
+        const gchar *filename;
+
+        filename = gtk_source_style_scheme_get_filename (scheme);
+        if (filename != NULL)
+        {
+           res = g_str_has_prefix (filename, xed_dirs_get_user_styles_dir ());
+        }
+    }
+
+   return res;
+}
+
 static void
 set_buttons_sensisitivity_according_to_scheme (XedPreferencesDialog *dlg,
                                                const gchar          *scheme_id)
 {
     gboolean editable;
 
-    editable = (scheme_id != NULL) &&
+    editable = ((scheme_id != NULL) && is_xed_user_style_scheme (scheme_id));
-               _xed_style_scheme_manager_scheme_is_xed_user_scheme (xed_get_style_scheme_manager (), scheme_id);
 
     gtk_widget_set_sensitive (dlg->priv->uninstall_scheme_button, editable);
 }
@@ -465,9 +489,10 @@ static const gchar *
 ensure_color_scheme_id (XedPreferencesDialog *dlg,
                         const gchar          *id)
 {
+    GtkSourceStyleSchemeManager *manager;
     GtkSourceStyleScheme *scheme = NULL;
-    GtkSourceStyleSchemeManager *manager = xed_get_style_scheme_manager ();
 
+    manager = gtk_source_style_scheme_manager_get_default ();
     if (id == NULL)
     {
         gchar *pref_id;
@@ -496,15 +521,13 @@ ensure_color_scheme_id (XedPreferencesDialog *dlg,
     return  gtk_source_style_scheme_get_id (scheme);
 }
 
-/* If def_id is NULL, use the default scheme as returned by
- * xed_style_scheme_manager_get_default_scheme. If this one returns NULL
- * use the first available scheme as default */
 static const gchar *
 populate_color_scheme_list (XedPreferencesDialog *dlg,
                             const gchar          *def_id)
 {
-    GSList *schemes;
+    GtkSourceStyleSchemeManager *manager;
-    GSList *l;
+    const gchar * const *ids;
+    gint i;
 
     gtk_list_store_clear (dlg->priv->schemes_treeview_model);
 
@@ -516,47 +539,262 @@ populate_color_scheme_list (XedPreferencesDialog *dlg,
         return NULL;
     }
 
-    schemes = xed_style_scheme_manager_list_schemes_sorted (xed_get_style_scheme_manager ());
+    manager = gtk_source_style_scheme_manager_get_default ();
-    l = schemes;
+    ids = gtk_source_style_scheme_manager_get_scheme_ids (manager);
-    while (l != NULL)
+    for (i = 0; ids[i] != NULL; i++)
     {
         GtkSourceStyleScheme *scheme;
-        const gchar *id;
         const gchar *name;
         const gchar *description;
         GtkTreeIter iter;
 
-        scheme = GTK_SOURCE_STYLE_SCHEME (l->data);
+        scheme = gtk_source_style_scheme_manager_get_scheme (manager, ids[i]);
-
-        id = gtk_source_style_scheme_get_id (scheme);
         name = gtk_source_style_scheme_get_name (scheme);
         description = gtk_source_style_scheme_get_description (scheme);
 
         gtk_list_store_append (dlg->priv->schemes_treeview_model, &iter);
         gtk_list_store_set (dlg->priv->schemes_treeview_model,
                             &iter,
-                            ID_COLUMN, id,
+                            ID_COLUMN, ids[i],
                             NAME_COLUMN, name,
                             DESC_COLUMN, description,
                             -1);
 
         g_return_val_if_fail (def_id != NULL, NULL);
-        if (strcmp (id, def_id) == 0)
+        if (strcmp (ids[i], def_id) == 0)
         {
             GtkTreeSelection *selection;
 
             selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dlg->priv->schemes_treeview));
             gtk_tree_selection_select_iter (selection, &iter);
         }
-
-        l = g_slist_next (l);
     }
 
-    g_slist_free (schemes);
-
     return def_id;
 }
 
+/*
+ * file_copy:
+ * @name: a pointer to a %NULL-terminated string, that names
+ * the file to be copied, in the GLib file name encoding
+ * @dest_name: a pointer to a %NULL-terminated string, that is the
+ * name for the destination file, in the GLib file name encoding
+ * @error: return location for a #GError, or %NULL
+ *
+ * Copies file @name to @dest_name.
+ *
+ * If the call was successful, it returns %TRUE. If the call was not
+ * successful, it returns %FALSE and sets @error. The error domain
+ * is #G_FILE_ERROR. Possible error
+ * codes are those in the #GFileError enumeration.
+ *
+ * Return value: %TRUE on success, %FALSE otherwise.
+ */
+static gboolean
+file_copy (const gchar  *name,
+           const gchar  *dest_name,
+           GError      **error)
+{
+    gchar *contents;
+    gsize length;
+    gchar *dest_dir;
+
+    /* FIXME - Paolo (Aug. 13, 2007):
+    * Since the style scheme files are relatively small, we can implement
+    * file copy getting all the content of the source file in a buffer and
+    * then write the content to the destination file. In this way we
+    * can use the g_file_get_contents and g_file_set_contents and avoid to
+    * write custom code to copy the file (with sane error management).
+    * If needed we can improve this code later. */
+
+    g_return_val_if_fail (name != NULL, FALSE);
+    g_return_val_if_fail (dest_name != NULL, FALSE);
+    g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+    /* Note: we allow to copy a file to itself since this is not a problem
+    * in our use case */
+
+    /* Ensure the destination directory exists */
+    dest_dir = g_path_get_dirname (dest_name);
+
+    errno = 0;
+    if (g_mkdir_with_parents (dest_dir, 0755) != 0)
+    {
+        gint save_errno = errno;
+        gchar *display_filename = g_filename_display_name (dest_dir);
+
+        g_set_error (error,
+                G_FILE_ERROR,
+                g_file_error_from_errno (save_errno),
+                _("Directory '%s' could not be created: g_mkdir_with_parents() failed: %s"),
+                display_filename,
+                g_strerror (save_errno));
+
+        g_free (dest_dir);
+        g_free (display_filename);
+
+        return FALSE;
+    }
+
+    g_free (dest_dir);
+
+    if (!g_file_get_contents (name, &contents, &length, error))
+    {
+        return FALSE;
+    }
+
+    if (!g_file_set_contents (dest_name, contents, length, error))
+    {
+        return FALSE;
+    }
+
+    g_free (contents);
+
+    return TRUE;
+}
+
+/*
+ * install_style_scheme:
+ * @manager: a #GtkSourceStyleSchemeManager
+ * @fname: the file name of the style scheme to be installed
+ *
+ * Install a new user scheme.
+ * This function copies @fname in #XED_STYLES_DIR and ask the style manager to
+ * recompute the list of available style schemes. It then checks if a style
+ * scheme with the right file name exists.
+ *
+ * If the call was succesful, it returns the id of the installed scheme
+ * otherwise %NULL.
+ *
+ * Return value: the id of the installed scheme, %NULL otherwise.
+ */
+static const gchar *
+install_style_scheme (const gchar *fname)
+{
+    GtkSourceStyleSchemeManager *manager;
+    gchar *new_file_name = NULL;
+    gchar *dirname;
+    const gchar *styles_dir;
+    GError *error = NULL;
+    gboolean copied = FALSE;
+    const gchar* const *ids;
+
+    g_return_val_if_fail (fname != NULL, NULL);
+
+    manager = gtk_source_style_scheme_manager_get_default ();
+
+    dirname = g_path_get_dirname (fname);
+    styles_dir = xed_dirs_get_user_styles_dir ();
+
+    if (strcmp (dirname, styles_dir) != 0)
+    {
+        gchar *basename;
+
+        basename = g_path_get_basename (fname);
+        new_file_name = g_build_filename (styles_dir, basename, NULL);
+        g_free (basename);
+
+        /* Copy the style scheme file into GEDIT_STYLES_DIR */
+        if (!file_copy (fname, new_file_name, &error))
+        {
+            g_free (new_file_name);
+
+            g_message ("Cannot install style scheme:\n%s", error->message);
+
+           return NULL;
+        }
+
+        copied = TRUE;
+    }
+    else
+    {
+        new_file_name = g_strdup (fname);
+    }
+
+    g_free (dirname);
+
+    /* Reload the available style schemes */
+    gtk_source_style_scheme_manager_force_rescan (manager);
+
+    /* Check the new style scheme has been actually installed */
+    ids = gtk_source_style_scheme_manager_get_scheme_ids (manager);
+
+    while (*ids != NULL)
+    {
+        GtkSourceStyleScheme *scheme;
+        const gchar *filename;
+
+        scheme = gtk_source_style_scheme_manager_get_scheme (manager, *ids);
+
+        filename = gtk_source_style_scheme_get_filename (scheme);
+
+        if (filename && (strcmp (filename, new_file_name) == 0))
+        {
+            /* The style scheme has been correctly installed */
+            g_free (new_file_name);
+
+            return gtk_source_style_scheme_get_id (scheme);
+        }
+        ++ids;
+    }
+
+    /* The style scheme has not been correctly installed */
+    if (copied)
+    {
+        g_unlink (new_file_name);
+    }
+
+    g_free (new_file_name);
+
+    return NULL;
+}
+
+/**
+ * uninstall_style_scheme:
+ * @manager: a #GtkSourceStyleSchemeManager
+ * @id: the id of the style scheme to be uninstalled
+ *
+ * Uninstall a user scheme.
+ *
+ * If the call was succesful, it returns %TRUE
+ * otherwise %FALSE.
+ *
+ * Return value: %TRUE on success, %FALSE otherwise.
+ */
+static gboolean
+uninstall_style_scheme (const gchar *id)
+{
+    GtkSourceStyleSchemeManager *manager;
+    GtkSourceStyleScheme *scheme;
+    const gchar *filename;
+
+    g_return_val_if_fail (id != NULL, FALSE);
+
+    manager = gtk_source_style_scheme_manager_get_default ();
+
+    scheme = gtk_source_style_scheme_manager_get_scheme (manager, id);
+    if (scheme == NULL)
+    {
+       return FALSE;
+    }
+
+    filename = gtk_source_style_scheme_get_filename (scheme);
+    if (filename == NULL)
+    {
+        return FALSE;
+    }
+
+    if (g_unlink (filename) == -1)
+    {
+        return FALSE;
+    }
+
+    /* Reload the available style schemes */
+    gtk_source_style_scheme_manager_force_rescan (manager);
+
+    return TRUE;
+}
+
 static void
 add_scheme_chooser_response_cb (GtkDialog            *chooser,
                                 gint                  res_id,
@@ -573,11 +811,13 @@ add_scheme_chooser_response_cb (GtkDialog            *chooser,
 
     filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (chooser));
     if (filename == NULL)
+    {
         return;
+    }
 
     gtk_widget_hide (GTK_WIDGET (chooser));
 
-    scheme_id = _xed_style_scheme_manager_install_scheme (xed_get_style_scheme_manager (), filename);
+    scheme_id = install_style_scheme (filename);
     g_free (filename);
 
     if (scheme_id == NULL)
@@ -660,7 +900,7 @@ uninstall_scheme_clicked (GtkButton            *button,
 
         gtk_tree_model_get (model, &iter, ID_COLUMN, &id, NAME_COLUMN, &name, -1);
 
-        if (!_xed_style_scheme_manager_uninstall_scheme (xed_get_style_scheme_manager (), id))
+        if (!uninstall_style_scheme (id))
         {
             xed_warning (GTK_WINDOW (dlg), _("Could not remove color scheme \"%s\"."), name);
         }

xed/xed-app.c

@@ -37,6 +37,7 @@
 
 #include <glib/gi18n.h>
 #include <libpeas/peas-extension-set.h>
+#include <gtksourceview/gtksourcestyleschememanager.h>
 
 #include "xed-app.h"
 #include "xed-commands.h"
@@ -351,12 +352,23 @@ extension_removed (PeasExtensionSet *extensions,
 static void
 xed_app_init (XedApp *app)
 {
+    GtkSourceStyleSchemeManager *manager;
+
     app->priv = XED_APP_GET_PRIVATE (app);
 
     load_accels ();
 
     app->priv->settings = xed_settings_new ();
     app->priv->window_settings = g_settings_new ("org.x.editor.state.window");
+
+    /*
+     * We use the default gtksourceview style scheme manager so that plugins
+     * can obtain it easily without a xed specific api, but we need to
+     * add our search path at startup before the manager is actually used.
+     */
+    manager = gtk_source_style_scheme_manager_get_default ();
+    gtk_source_style_scheme_manager_append_search_path (manager, xed_dirs_get_user_styles_dir ());
+
     app->priv->extensions = peas_extension_set_new (PEAS_ENGINE (xed_plugins_engine_get_default ()),
                                                     XED_TYPE_APP_ACTIVATABLE, "app", app, NULL);
 

xed/xed-dirs.c

@@ -27,97 +27,115 @@
 
 #include "xed-dirs.h"
 
-gchar* xed_dirs_get_user_config_dir(void)
+gchar *
+xed_dirs_get_user_config_dir (void)
 {
-	gchar* config_dir = NULL;
+    gchar* config_dir = NULL;
 
-	config_dir = g_build_filename(g_get_user_config_dir(), "xed", NULL);
+    config_dir = g_build_filename(g_get_user_config_dir(), "xed", NULL);
 
-	return config_dir;
+    return config_dir;
 }
 
-gchar* xed_dirs_get_user_cache_dir(void)
+gchar *
+xed_dirs_get_user_cache_dir (void)
 {
-	const gchar* cache_dir;
+    const gchar* cache_dir;
 
-	cache_dir = g_get_user_cache_dir();
+    cache_dir = g_get_user_cache_dir();
 
-	return g_build_filename(cache_dir, "xed", NULL);
+    return g_build_filename(cache_dir, "xed", NULL);
 }
 
-gchar* xed_dirs_get_user_plugins_dir(void)
+gchar *
+xed_dirs_get_user_styles_dir (void)
 {
-	gchar* plugin_dir;
+    gchar *user_style_dir;
 
-	plugin_dir = g_build_filename(g_get_user_data_dir(), "xed", "plugins", NULL);
+    user_style_dir = g_build_filename (g_get_user_data_dir (), "xed", "styles", NULL);
-
-	return plugin_dir;
 }
 
-gchar* xed_dirs_get_user_accels_file(void)
+gchar *
+xed_dirs_get_user_plugins_dir (void)
 {
-	gchar* accels = NULL;
+    gchar* plugin_dir;
-	gchar *config_dir = NULL;
 
-	config_dir = xed_dirs_get_user_config_dir();
+    plugin_dir = g_build_filename(g_get_user_data_dir(), "xed", "plugins", NULL);
-	accels = g_build_filename(config_dir, "accels", NULL);
 
-	g_free(config_dir);
+    return plugin_dir;
-
-	return accels;
 }
 
-gchar* xed_dirs_get_xed_data_dir(void)
+gchar *
+xed_dirs_get_user_accels_file (void)
 {
-	return g_build_filename(DATADIR, "xed", NULL);
+    gchar* accels = NULL;
+    gchar *config_dir = NULL;
+
+    config_dir = xed_dirs_get_user_config_dir();
+    accels = g_build_filename(config_dir, "accels", NULL);
+
+    g_free(config_dir);
+
+    return accels;
 }
 
-gchar* xed_dirs_get_xed_locale_dir(void)
+gchar *
+xed_dirs_get_xed_data_dir (void)
 {
-	return g_build_filename(DATADIR, "locale", NULL);
+    return g_build_filename(DATADIR, "xed", NULL);
 }
 
-gchar* xed_dirs_get_xed_lib_dir(void)
+gchar *
+xed_dirs_get_xed_locale_dir (void)
 {
-	return g_build_filename(LIBDIR, "xed", NULL);
+    return g_build_filename(DATADIR, "locale", NULL);
 }
 
-gchar* xed_dirs_get_xed_plugins_dir(void)
+gchar *
+xed_dirs_get_xed_lib_dir (void)
 {
-	gchar* lib_dir;
+    return g_build_filename(LIBDIR, "xed", NULL);
-	gchar* plugin_dir;
-
-	lib_dir = xed_dirs_get_xed_lib_dir();
-
-	plugin_dir = g_build_filename(lib_dir, "plugins", NULL);
-	g_free(lib_dir);
-
-	return plugin_dir;
 }
 
-gchar* xed_dirs_get_xed_plugins_data_dir (void)
+gchar *
+xed_dirs_get_xed_plugins_dir (void)
 {
-	gchar* data_dir;
+    gchar* lib_dir;
+    gchar* plugin_dir;
+
+    lib_dir = xed_dirs_get_xed_lib_dir();
+
+    plugin_dir = g_build_filename(lib_dir, "plugins", NULL);
+    g_free(lib_dir);
+
+    return plugin_dir;
+}
+
+gchar *
+xed_dirs_get_xed_plugins_data_dir (void)
+{
+    gchar* data_dir;
     gchar* plugin_data_dir;
 
-	data_dir = xed_dirs_get_xed_data_dir ();
+    data_dir = xed_dirs_get_xed_data_dir ();
 
-	plugin_data_dir = g_build_filename (data_dir, "plugins", NULL);
+    plugin_data_dir = g_build_filename (data_dir, "plugins", NULL);
     g_free (data_dir);
 
-	return plugin_data_dir;
+    return plugin_data_dir;
 }
 
-gchar* xed_dirs_get_ui_file(const gchar* file)
+gchar *
+xed_dirs_get_ui_file (const gchar* file)
 {
-	gchar* datadir;
+    gchar* datadir;
-	gchar* ui_file;
+    gchar* ui_file;
 
-	g_return_val_if_fail(file != NULL, NULL);
+    g_return_val_if_fail(file != NULL, NULL);
 
-	datadir = xed_dirs_get_xed_data_dir();
+    datadir = xed_dirs_get_xed_data_dir();
-	ui_file = g_build_filename(datadir, "ui", file, NULL);
+    ui_file = g_build_filename(datadir, "ui", file, NULL);
-	g_free(datadir);
+    g_free(datadir);
 
-	return ui_file;
+    return ui_file;
 }

xed/xed-dirs.h

@@ -28,25 +28,27 @@
 
 G_BEGIN_DECLS
 
-gchar		*xed_dirs_get_user_config_dir		(void);
+gchar *xed_dirs_get_user_config_dir (void);
 
-gchar		*xed_dirs_get_user_cache_dir		(void);
+gchar *xed_dirs_get_user_cache_dir (void);
 
-gchar		*xed_dirs_get_user_plugins_dir	(void);
+gchar *xed_dirs_get_user_styles_dir (void);
 
-gchar		*xed_dirs_get_user_accels_file	(void);
+gchar *xed_dirs_get_user_plugins_dir (void);
 
-gchar		*xed_dirs_get_xed_data_dir		(void);
+gchar *xed_dirs_get_user_accels_file (void);
 
-gchar		*xed_dirs_get_xed_locale_dir	(void);
+gchar *xed_dirs_get_xed_data_dir (void);
 
-gchar		*xed_dirs_get_xed_lib_dir		(void);
+gchar *xed_dirs_get_xed_locale_dir (void);
 
-gchar		*xed_dirs_get_xed_plugins_dir	(void);
+gchar *xed_dirs_get_xed_lib_dir (void);
 
-gchar		*xed_dirs_get_xed_plugins_data_dir (void);
+gchar *xed_dirs_get_xed_plugins_dir (void);
 
-gchar		*xed_dirs_get_ui_file			(const gchar *file);
+gchar *xed_dirs_get_xed_plugins_data_dir (void);
+
+gchar *xed_dirs_get_ui_file (const gchar *file);
 
 G_END_DECLS
 

xed/xed-document.c

@@ -40,13 +40,13 @@
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
 #include <gtksourceview/gtksource.h>
+#include <gtksourceview/gtksourcestyleschememanager.h>
 
 #include "xed-settings.h"
 #include "xed-document.h"
 #include "xed-debug.h"
 #include "xed-utils.h"
 #include "xed-language-manager.h"
-#include "xed-style-scheme-manager.h"
 #include "xed-document-loader.h"
 #include "xed-document-saver.h"
 #include "xed-marshal.h"
@@ -730,11 +730,11 @@ set_encoding (XedDocument       *doc,
 static GtkSourceStyleScheme *
 get_default_style_scheme (GSettings *editor_settings)
 {
+    GtkSourceStyleSchemeManager *manager;
     gchar *scheme_id;
     GtkSourceStyleScheme *def_style;
-    GtkSourceStyleSchemeManager *manager;
 
-    manager = xed_get_style_scheme_manager ();
+    manager = gtk_source_style_scheme_manager_get_default ();
     scheme_id = g_settings_get_string (editor_settings, XED_SETTINGS_SCHEME);
     def_style = gtk_source_style_scheme_manager_get_scheme (manager, scheme_id);
 

xed/xed-settings.c

@@ -23,6 +23,8 @@
 
 #include <string.h>
 
+#include <gtksourceview/gtksourcestyleschememanager.h>
+
 #include "xed-settings.h"
 #include "xed-app.h"
 #include "xed-debug.h"
@@ -30,7 +32,6 @@
 #include "xed-window.h"
 #include "xed-notebook.h"
 #include "xed-plugins-engine.h"
-#include "xed-style-scheme-manager.h"
 #include "xed-dirs.h"
 #include "xed-utils.h"
 #include "xed-window-private.h"
@@ -187,6 +188,7 @@ on_scheme_changed (GSettings   *settings,
                    const gchar *key,
                    XedSettings *xs)
 {
+    GtkSourceStyleSchemeManager *manager;
     GtkSourceStyleScheme *style;
     gchar *scheme;
     GList *docs;
@@ -202,13 +204,14 @@ on_scheme_changed (GSettings   *settings,
     g_free (xs->priv->old_scheme);
     xs->priv->old_scheme = scheme;
 
-    style = gtk_source_style_scheme_manager_get_scheme (xed_get_style_scheme_manager (), scheme);
+    manager = gtk_source_style_scheme_manager_get_default ();
+    style = gtk_source_style_scheme_manager_get_scheme (manager, scheme);
 
     if (style == NULL)
     {
         g_warning ("Default style scheme '%s' not found, falling back to 'classic'", scheme);
 
-        style = gtk_source_style_scheme_manager_get_scheme (xed_get_style_scheme_manager (), "classic");
+        style = gtk_source_style_scheme_manager_get_scheme (manager, "classic");
 
         if (style == NULL)
         {

xed/xed-style-scheme-manager.c

@@ -1,372 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * xed-source-style-manager.c
- *
- * Copyright (C) 2007 - Paolo Borelli and Paolo Maggi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/*
- * Modified by the xed Team, 2007. See the AUTHORS file for a
- * list of people on the xed Team.
- * See the ChangeLog files for a list of changes.
- *
- * $Id$
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <errno.h>
-
-#include <glib/gi18n.h>
-#include <glib/gstdio.h>
-
-#include <gtk/gtk.h>
-#include <gtksourceview/gtksource.h>
-
-#include "xed-style-scheme-manager.h"
-#include "xed-dirs.h"
-
-static GtkSourceStyleSchemeManager *style_scheme_manager = NULL;
-
-static gchar *
-get_xed_styles_path (void)
-{
-	gchar *config_dir;
-	gchar *dir = NULL;
-
-	config_dir = xed_dirs_get_user_config_dir ();
-
-	if (config_dir != NULL)
-	{
-		dir = g_build_filename (config_dir,
-					"styles",
-					NULL);
-		g_free (config_dir);
-	}
-
-	return dir;
-}
-
-static void
-add_xed_styles_path (GtkSourceStyleSchemeManager *mgr)
-{
-	gchar *dir;
-
-	dir = get_xed_styles_path();
-
-	if (dir != NULL)
-	{
-		gtk_source_style_scheme_manager_append_search_path (mgr, dir);
-		g_free (dir);
-	}
-}
-
-GtkSourceStyleSchemeManager *
-xed_get_style_scheme_manager (void)
-{
-	if (style_scheme_manager == NULL)
-	{
-		style_scheme_manager = gtk_source_style_scheme_manager_new ();
-		add_xed_styles_path (style_scheme_manager);
-	}
-
-	return style_scheme_manager;
-}
-
-static gint
-schemes_compare (gconstpointer a, gconstpointer b)
-{
-	GtkSourceStyleScheme *scheme_a = (GtkSourceStyleScheme *)a;
-	GtkSourceStyleScheme *scheme_b = (GtkSourceStyleScheme *)b;
-
-	const gchar *name_a = gtk_source_style_scheme_get_name (scheme_a);
-	const gchar *name_b = gtk_source_style_scheme_get_name (scheme_b);
-
-	return g_utf8_collate (name_a, name_b);
-}
-
-GSList *
-xed_style_scheme_manager_list_schemes_sorted (GtkSourceStyleSchemeManager *manager)
-{
-	const gchar * const * scheme_ids;
-	GSList *schemes = NULL;
-
-	g_return_val_if_fail (GTK_SOURCE_IS_STYLE_SCHEME_MANAGER (manager), NULL);
-
-	scheme_ids = gtk_source_style_scheme_manager_get_scheme_ids (manager);
-
-	while (*scheme_ids != NULL)
-	{
-		GtkSourceStyleScheme *scheme;
-
-		scheme = gtk_source_style_scheme_manager_get_scheme (manager,
-								     *scheme_ids);
-
-		schemes = g_slist_prepend (schemes, scheme);
-
-		++scheme_ids;
-	}
-
-	if (schemes != NULL)
-		schemes = g_slist_sort (schemes, (GCompareFunc)schemes_compare);
-
-	return schemes;
-}
-
-gboolean
-_xed_style_scheme_manager_scheme_is_xed_user_scheme (GtkSourceStyleSchemeManager *manager,
-							 const gchar                 *scheme_id)
-{
-	GtkSourceStyleScheme *scheme;
-	const gchar *filename;
-	gchar *dir;
-	gboolean res = FALSE;
-
-	scheme = gtk_source_style_scheme_manager_get_scheme (manager, scheme_id);
-	if (scheme == NULL)
-		return FALSE;
-
-	filename = gtk_source_style_scheme_get_filename (scheme);
-	if (filename == NULL)
-		return FALSE;
-
-	dir = get_xed_styles_path ();
-
-	res = g_str_has_prefix (filename, dir);
-
-	g_free (dir);
-
-	return res;
-}
-
-/**
- * file_copy:
- * @name: a pointer to a %NULL-terminated string, that names
- * the file to be copied, in the GLib file name encoding
- * @dest_name: a pointer to a %NULL-terminated string, that is the
- * name for the destination file, in the GLib file name encoding
- * @error: return location for a #GError, or %NULL
- *
- * Copies file @name to @dest_name.
- *
- * If the call was successful, it returns %TRUE. If the call was not
- * successful, it returns %FALSE and sets @error. The error domain
- * is #G_FILE_ERROR. Possible error
- * codes are those in the #GFileError enumeration.
- *
- * Return value: %TRUE on success, %FALSE otherwise.
- */
-static gboolean
-file_copy (const gchar  *name,
-	   const gchar  *dest_name,
-	   GError      **error)
-{
-	gchar *contents;
-	gsize length;
-	gchar *dest_dir;
-
-	/* FIXME - Paolo (Aug. 13, 2007):
-	 * Since the style scheme files are relatively small, we can implement
-	 * file copy getting all the content of the source file in a buffer and
-	 * then write the content to the destination file. In this way we
-	 * can use the g_file_get_contents and g_file_set_contents and avoid to
-	 * write custom code to copy the file (with sane error management).
-	 * If needed we can improve this code later. */
-
-	g_return_val_if_fail (name != NULL, FALSE);
-	g_return_val_if_fail (dest_name != NULL, FALSE);
-	g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
-
-	/* Note: we allow to copy a file to itself since this is not a problem
-	 * in our use case */
-
-	/* Ensure the destination directory exists */
-	dest_dir = g_path_get_dirname (dest_name);
-
-	errno = 0;
-	if (g_mkdir_with_parents (dest_dir, 0755) != 0)
-	{
-		gint save_errno = errno;
-		gchar *display_filename = g_filename_display_name (dest_dir);
-
-		g_set_error (error,
-			     G_FILE_ERROR,
-			     g_file_error_from_errno (save_errno),
-			     _("Directory '%s' could not be created: g_mkdir_with_parents() failed: %s"),
-			     display_filename,
-			     g_strerror (save_errno));
-
-		g_free (dest_dir);
-		g_free (display_filename);
-
-		return FALSE;
-	}
-
-	g_free (dest_dir);
-
-	if (!g_file_get_contents (name, &contents, &length, error))
-		return FALSE;
-
-	if (!g_file_set_contents (dest_name, contents, length, error))
-		return FALSE;
-
-	g_free (contents);
-
-	return TRUE;
-}
-
-/**
- * _xed_style_scheme_manager_install_scheme:
- * @manager: a #GtkSourceStyleSchemeManager
- * @fname: the file name of the style scheme to be installed
- *
- * Install a new user scheme.
- * This function copies @fname in #XED_STYLES_DIR and ask the style manager to
- * recompute the list of available style schemes. It then checks if a style
- * scheme with the right file name exists.
- *
- * If the call was succesful, it returns the id of the installed scheme
- * otherwise %NULL.
- *
- * Return value: the id of the installed scheme, %NULL otherwise.
- */
-const gchar *
-_xed_style_scheme_manager_install_scheme (GtkSourceStyleSchemeManager *manager,
-					    const gchar                 *fname)
-{
-	gchar *new_file_name = NULL;
-	gchar *dirname;
-	gchar *styles_dir;
-	GError *error = NULL;
-	gboolean copied = FALSE;
-
-	const gchar* const *ids;
-
-	g_return_val_if_fail (GTK_SOURCE_IS_STYLE_SCHEME_MANAGER (manager), NULL);
-	g_return_val_if_fail (fname != NULL, NULL);
-
-	dirname = g_path_get_dirname (fname);
-	styles_dir = get_xed_styles_path();
-
-	if (strcmp (dirname, styles_dir) != 0)
-	{
-		gchar *basename;
-
-		basename = g_path_get_basename (fname);
-		new_file_name = g_build_filename (styles_dir, basename, NULL);
-		g_free (basename);
-
-		/* Copy the style scheme file into XED_STYLES_DIR */
-		if (!file_copy (fname, new_file_name, &error))
-		{
-			g_free (new_file_name);
-
-			g_message ("Cannot install style scheme:\n%s",
-				   error->message);
-
-			g_free (dirname);
-			g_free (styles_dir);
-			return NULL;
-		}
-
-		copied = TRUE;
-	}
-	else
-	{
-		new_file_name = g_strdup (fname);
-	}
-
-	g_free (dirname);
-	g_free (styles_dir);
-
-	/* Reload the available style schemes */
-	gtk_source_style_scheme_manager_force_rescan (manager);
-
-	/* Check the new style scheme has been actually installed */
-	ids = gtk_source_style_scheme_manager_get_scheme_ids (manager);
-
-	while (*ids != NULL)
-	{
-		GtkSourceStyleScheme *scheme;
-		const gchar *filename;
-
-		scheme = gtk_source_style_scheme_manager_get_scheme (
-				xed_get_style_scheme_manager (), *ids);
-
-		filename = gtk_source_style_scheme_get_filename (scheme);
-
-		if (filename && (strcmp (filename, new_file_name) == 0))
-		{
-			/* The style scheme has been correctly installed */
-			g_free (new_file_name);
-
-			return gtk_source_style_scheme_get_id (scheme);
-		}
-		++ids;
-	}
-
-	/* The style scheme has not been correctly installed */
-	if (copied)
-		g_unlink (new_file_name);
-
-	g_free (new_file_name);
-
-	return NULL;
-}
-
-/**
- * _xed_style_scheme_manager_uninstall_scheme:
- * @manager: a #GtkSourceStyleSchemeManager
- * @id: the id of the style scheme to be uninstalled
- *
- * Uninstall a user scheme.
- *
- * If the call was succesful, it returns %TRUE
- * otherwise %FALSE.
- *
- * Return value: %TRUE on success, %FALSE otherwise.
- */
-gboolean
-_xed_style_scheme_manager_uninstall_scheme (GtkSourceStyleSchemeManager *manager,
-					      const gchar                 *id)
-{
-	GtkSourceStyleScheme *scheme;
-	const gchar *filename;
-
-	g_return_val_if_fail (GTK_SOURCE_IS_STYLE_SCHEME_MANAGER (manager), FALSE);
-	g_return_val_if_fail (id != NULL, FALSE);
-
-	scheme = gtk_source_style_scheme_manager_get_scheme (manager, id);
-	if (scheme == NULL)
-		return FALSE;
-
-	filename = gtk_source_style_scheme_get_filename (scheme);
-	if (filename == NULL)
-		return FALSE;
-
-	if (g_unlink (filename) == -1)
-		return FALSE;
-
-	/* Reload the available style schemes */
-	gtk_source_style_scheme_manager_force_rescan (manager);
-
-	return TRUE;
-}

xed/xed-style-scheme-manager.h

@@ -1,56 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * xed-style-scheme-manager.h
- *
- * Copyright (C) 2007 - Paolo Borelli
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, 
- * Boston, MA 02110-1301, USA.
- *
- * $Id: xed-source-style-manager.h 5598 2007-04-15 13:16:24Z pborelli $
- */
-
-#ifndef __XED_STYLE_SCHEME_MANAGER_H__
-#define __XED_STYLE_SCHEME_MANAGER_H__
-
-#include <gtksourceview/gtksourcestyleschememanager.h>
-
-G_BEGIN_DECLS
-
-GtkSourceStyleSchemeManager *
-		 xed_get_style_scheme_manager		(void);
-
-/* Returns a sorted list of style schemes */
-GSList		*xed_style_scheme_manager_list_schemes_sorted
-							(GtkSourceStyleSchemeManager *manager);
-
-/*
- * Non exported functions
- */
-gboolean	 _xed_style_scheme_manager_scheme_is_xed_user_scheme
-							(GtkSourceStyleSchemeManager *manager,
-							 const gchar                 *scheme_id);
-
-const gchar	*_xed_style_scheme_manager_install_scheme
-							(GtkSourceStyleSchemeManager *manager,
-							 const gchar                 *fname);
-
-gboolean	 _xed_style_scheme_manager_uninstall_scheme
-							(GtkSourceStyleSchemeManager *manager,
-							 const gchar                 *id);
-
-G_END_DECLS
-
-#endif /* __XED_STYLE_SCHEME_MANAGER_H__ */