/* * Copyright (C) 2002-2004 Marco Pesenti Gritti * Copyright (C) 2004 Christian Persch * * 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Id$ */ #include "config.h" #include "egg-toolbars-model.h" #include "eggmarshalers.h" #include #include #include #include static void egg_toolbars_model_class_init (EggToolbarsModelClass *klass); static void egg_toolbars_model_init (EggToolbarsModel *t); static void egg_toolbars_model_finalize (GObject *object); enum { ITEM_ADDED, ITEM_REMOVED, TOOLBAR_ADDED, TOOLBAR_CHANGED, TOOLBAR_REMOVED, GET_ITEM_TYPE, GET_ITEM_ID, GET_ITEM_DATA, LAST_SIGNAL }; typedef struct { char *name; EggTbModelFlags flags; } EggToolbarsToolbar; typedef struct { char *id; char *type; gboolean separator; } EggToolbarsItem; static guint signals[LAST_SIGNAL] = { 0 }; static GObjectClass *parent_class = NULL; #define EGG_TOOLBARS_MODEL_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EGG_TYPE_TOOLBARS_MODEL, EggToolbarsModelPrivate)) struct EggToolbarsModelPrivate { GNode *toolbars; }; GType egg_toolbars_model_flags_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { static const GFlagsValue values[] = { { EGG_TB_MODEL_NOT_REMOVABLE, "EGG_TB_MODEL_NOT_REMOVABLE", "not-removable" }, { EGG_TB_MODEL_ICONS_ONLY, "EGG_TB_MODEL_ICONS_ONLY", "icons-only" }, { EGG_TB_MODEL_TEXT_ONLY, "EGG_TB_MODEL_TEXT_ONLY", "text-only" }, { EGG_TB_MODEL_ICONS_TEXT, "EGG_TB_MODEL_ICONS_TEXT", "text" }, { EGG_TB_MODEL_ICONS_TEXT_HORIZ, "EGG_TB_MODEL_ICONS_TEXT_HORIZ", "text-horiz" }, { EGG_TB_MODEL_ACCEPT_ITEMS_ONLY, "EGG_TB_MODEL_ACCEPT_ITEMS_ONLY", "accept-items-only" }, { 0, NULL, NULL } }; type = g_flags_register_static ("EggToolbarsModelFlags", values); } return type; } GType egg_toolbars_model_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { static const GTypeInfo our_info = { sizeof (EggToolbarsModelClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) egg_toolbars_model_class_init, NULL, NULL, /* class_data */ sizeof (EggToolbarsModel), 0, /* n_preallocs */ (GInstanceInitFunc) egg_toolbars_model_init }; type = g_type_register_static (G_TYPE_OBJECT, "EggToolbarsModel", &our_info, 0); } return type; } static xmlDocPtr egg_toolbars_model_to_xml (EggToolbarsModel *t) { GNode *l1, *l2, *tl; xmlDocPtr doc; g_return_val_if_fail (EGG_IS_TOOLBARS_MODEL (t), NULL); tl = t->priv->toolbars; xmlIndentTreeOutput = TRUE; doc = xmlNewDoc ("1.0"); doc->children = xmlNewDocNode (doc, NULL, "toolbars", NULL); for (l1 = tl->children; l1 != NULL; l1 = l1->next) { xmlNodePtr tnode; EggToolbarsToolbar *toolbar = l1->data; tnode = xmlNewChild (doc->children, NULL, "toolbar", NULL); xmlSetProp (tnode, "name", toolbar->name); for (l2 = l1->children; l2 != NULL; l2 = l2->next) { xmlNodePtr node; EggToolbarsItem *item = l2->data; if (item->separator) { node = xmlNewChild (tnode, NULL, "separator", NULL); } else { char *data; node = xmlNewChild (tnode, NULL, "toolitem", NULL); data = egg_toolbars_model_get_item_data (t, item->type, item->id); xmlSetProp (node, "type", item->type); xmlSetProp (node, "name", data); g_free (data); } } } return doc; } static gboolean safe_save_xml (const char *xml_file, xmlDocPtr doc) { char *tmp_file; char *old_file; gboolean old_exist; gboolean retval = TRUE; tmp_file = g_strconcat (xml_file, ".tmp", NULL); old_file = g_strconcat (xml_file, ".old", NULL); if (xmlSaveFormatFile (tmp_file, doc, 1) <= 0) { g_warning ("Failed to write XML data to %s", tmp_file); goto failed; } old_exist = g_file_test (xml_file, G_FILE_TEST_EXISTS); if (old_exist) { if (rename (xml_file, old_file) < 0) { g_warning ("Failed to rename %s to %s", xml_file, old_file); retval = FALSE; goto failed; } } if (rename (tmp_file, xml_file) < 0) { g_warning ("Failed to rename %s to %s", tmp_file, xml_file); if (rename (old_file, xml_file) < 0) { g_warning ("Failed to restore %s from %s", xml_file, tmp_file); } retval = FALSE; goto failed; } if (old_exist) { if (unlink (old_file) < 0) { g_warning ("Failed to delete old file %s", old_file); } } failed: g_free (old_file); g_free (tmp_file); return retval; } void egg_toolbars_model_save (EggToolbarsModel *t, const char *xml_file, const char *version) { xmlDocPtr doc; xmlNodePtr root; g_return_if_fail (EGG_IS_TOOLBARS_MODEL (t)); doc = egg_toolbars_model_to_xml (t); root = xmlDocGetRootElement (doc); xmlSetProp (root, "version", version); safe_save_xml (xml_file, doc); xmlFreeDoc (doc); } static EggToolbarsToolbar * toolbars_toolbar_new (const char *name) { EggToolbarsToolbar *toolbar; toolbar = g_new (EggToolbarsToolbar, 1); toolbar->name = g_strdup (name); toolbar->flags = 0; return toolbar; } static EggToolbarsItem * toolbars_item_new (const char *id, const char *type, gboolean separator) { EggToolbarsItem *item; g_return_val_if_fail (id != NULL, NULL); g_return_val_if_fail (type != NULL, NULL); item = g_new (EggToolbarsItem, 1); item->id = g_strdup (id); item->type = g_strdup (type); item->separator = separator; return item; } static void free_toolbar_node (GNode *toolbar_node) { EggToolbarsToolbar *toolbar = toolbar_node->data; g_free (toolbar->name); g_free (toolbar); g_node_destroy (toolbar_node); } static void free_item_node (GNode *item_node) { EggToolbarsItem *item = item_node->data; g_free (item->id); g_free (item->type); g_free (item); g_node_destroy (item_node); } EggTbModelFlags egg_toolbars_model_get_flags (EggToolbarsModel *t, int toolbar_position) { GNode *toolbar_node; EggToolbarsToolbar *toolbar; toolbar_node = g_node_nth_child (t->priv->toolbars, toolbar_position); g_return_val_if_fail (toolbar_node != NULL, 0); toolbar = toolbar_node->data; return toolbar->flags; } void egg_toolbars_model_set_flags (EggToolbarsModel *t, int toolbar_position, EggTbModelFlags flags) { GNode *toolbar_node; EggToolbarsToolbar *toolbar; toolbar_node = g_node_nth_child (t->priv->toolbars, toolbar_position); g_return_if_fail (toolbar_node != NULL); toolbar = toolbar_node->data; toolbar->flags = flags; g_signal_emit (G_OBJECT (t), signals[TOOLBAR_CHANGED], 0, toolbar_position); } void egg_toolbars_model_add_separator (EggToolbarsModel *t, int toolbar_position, int position) { GNode *parent_node; GNode *node; EggToolbarsItem *item; int real_position; g_return_if_fail (EGG_IS_TOOLBARS_MODEL (t)); parent_node = g_node_nth_child (t->priv->toolbars, toolbar_position); item = toolbars_item_new ("separator", EGG_TOOLBAR_ITEM_TYPE, TRUE); node = g_node_new (item); g_node_insert (parent_node, position, node); real_position = g_node_child_position (parent_node, node); g_signal_emit (G_OBJECT (t), signals[ITEM_ADDED], 0, toolbar_position, real_position); } static gboolean impl_add_item (EggToolbarsModel *t, int toolbar_position, int position, const char *id, const char *type) { GNode *parent_node; GNode *node; EggToolbarsItem *item; int real_position; g_return_val_if_fail (EGG_IS_TOOLBARS_MODEL (t), FALSE); g_return_val_if_fail (id != NULL, FALSE); g_return_val_if_fail (type != NULL, FALSE); parent_node = g_node_nth_child (t->priv->toolbars, toolbar_position); item = toolbars_item_new (id, type, FALSE); node = g_node_new (item); g_node_insert (parent_node, position, node); real_position = g_node_child_position (parent_node, node); g_signal_emit (G_OBJECT (t), signals[ITEM_ADDED], 0, toolbar_position, real_position); return TRUE; } static void parse_item_list (EggToolbarsModel *t, xmlNodePtr child, int position) { while (child) { if (xmlStrEqual (child->name, "toolitem")) { xmlChar *name, *type; char *id; name = xmlGetProp (child, "name"); type = xmlGetProp (child, "type"); if (type == NULL) { type = xmlStrdup (EGG_TOOLBAR_ITEM_TYPE); } if (name != NULL && name[0] != '\0' && type != NULL) { id = egg_toolbars_model_get_item_id (t, type, name); if (id != NULL) { egg_toolbars_model_add_item (t, position, -1, id, type); } g_free (id); } xmlFree (name); xmlFree (type); } else if (xmlStrEqual (child->name, "separator")) { egg_toolbars_model_add_separator (t, position, -1); } child = child->next; } } int egg_toolbars_model_add_toolbar (EggToolbarsModel *t, int position, const char *name) { GNode *node; int real_position; g_return_val_if_fail (EGG_IS_TOOLBARS_MODEL (t), -1); node = g_node_new (toolbars_toolbar_new (name)); g_node_insert (t->priv->toolbars, position, node); real_position = g_node_child_position (t->priv->toolbars, node); g_signal_emit (G_OBJECT (t), signals[TOOLBAR_ADDED], 0, real_position); return g_node_child_position (t->priv->toolbars, node); } static void parse_toolbars (EggToolbarsModel *t, xmlNodePtr child) { while (child) { if (xmlStrEqual (child->name, "toolbar")) { xmlChar *name; xmlChar *style; int position; name = xmlGetProp (child, "name"); position = egg_toolbars_model_add_toolbar (t, -1, name); xmlFree (name); style = xmlGetProp (child, "style"); if (style && xmlStrEqual (style, "icons-only")) { /* FIXME: use toolbar position instead of 0 */ egg_toolbars_model_set_flags (t, 0, EGG_TB_MODEL_ICONS_ONLY); } xmlFree (style); parse_item_list (t, child->children, position); } child = child->next; } } gboolean egg_toolbars_model_load (EggToolbarsModel *t, const char *xml_file) { xmlDocPtr doc; xmlNodePtr root; g_return_val_if_fail (EGG_IS_TOOLBARS_MODEL (t), FALSE); if (!xml_file || !g_file_test (xml_file, G_FILE_TEST_EXISTS)) return FALSE; doc = xmlParseFile (xml_file); if (doc == NULL) { g_warning ("Failed to load XML data from %s", xml_file); return FALSE; } root = xmlDocGetRootElement (doc); parse_toolbars (t, root->children); xmlFreeDoc (doc); return TRUE; } static char * impl_get_item_id (EggToolbarsModel *t, const char *type, const char *data) { if (strcmp (type, EGG_TOOLBAR_ITEM_TYPE) == 0) { return g_strdup (data); } return NULL; } static char * impl_get_item_data (EggToolbarsModel *t, const char *type, const char *id) { if (strcmp (type, EGG_TOOLBAR_ITEM_TYPE) == 0) { return g_strdup (id); } return NULL; } static char * impl_get_item_type (EggToolbarsModel *t, GdkAtom type) { if (gdk_atom_intern (EGG_TOOLBAR_ITEM_TYPE, FALSE) == type) { return g_strdup (EGG_TOOLBAR_ITEM_TYPE); } return NULL; } static gboolean _egg_accumulator_STRING (GSignalInvocationHint *ihint, GValue *return_accu, const GValue *handler_return, gpointer dummy) { gboolean continue_emission; const char *retval; retval = g_value_get_string (handler_return); g_value_set_string (return_accu, retval); continue_emission = !retval || !retval[0]; return continue_emission; } static void egg_toolbars_model_class_init (EggToolbarsModelClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->finalize = egg_toolbars_model_finalize; klass->add_item = impl_add_item; klass->get_item_id = impl_get_item_id; klass->get_item_data = impl_get_item_data; klass->get_item_type = impl_get_item_type; signals[ITEM_ADDED] = g_signal_new ("item_added", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, item_added), NULL, NULL, _egg_marshal_VOID__INT_INT, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT); signals[TOOLBAR_ADDED] = g_signal_new ("toolbar_added", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, toolbar_added), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); signals[ITEM_REMOVED] = g_signal_new ("item_removed", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, item_removed), NULL, NULL, _egg_marshal_VOID__INT_INT, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT); signals[TOOLBAR_REMOVED] = g_signal_new ("toolbar_removed", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, toolbar_removed), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); signals[TOOLBAR_CHANGED] = g_signal_new ("toolbar_changed", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, toolbar_changed), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); signals[GET_ITEM_TYPE] = g_signal_new ("get_item_type", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, get_item_type), _egg_accumulator_STRING, NULL, _egg_marshal_STRING__POINTER, G_TYPE_STRING, 1, G_TYPE_POINTER); signals[GET_ITEM_ID] = g_signal_new ("get_item_id", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, get_item_id), _egg_accumulator_STRING, NULL, _egg_marshal_STRING__STRING_STRING, G_TYPE_STRING, 2, G_TYPE_STRING, G_TYPE_STRING); signals[GET_ITEM_DATA] = g_signal_new ("get_item_data", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EggToolbarsModelClass, get_item_data), _egg_accumulator_STRING, NULL, _egg_marshal_STRING__STRING_STRING, G_TYPE_STRING, 2, G_TYPE_STRING, G_TYPE_STRING); g_type_class_add_private (object_class, sizeof (EggToolbarsModelPrivate)); } static void egg_toolbars_model_init (EggToolbarsModel *t) { t->priv =EGG_TOOLBARS_MODEL_GET_PRIVATE (t); t->priv->toolbars = g_node_new (NULL); } static void free_toolbar (GNode *toolbar_node) { g_node_children_foreach (toolbar_node, G_TRAVERSE_ALL, (GNodeForeachFunc) free_item_node, NULL); free_toolbar_node (toolbar_node); } static void egg_toolbars_model_finalize (GObject *object) { EggToolbarsModel *t = EGG_TOOLBARS_MODEL (object); g_node_children_foreach (t->priv->toolbars, G_TRAVERSE_ALL, (GNodeForeachFunc) free_toolbar, NULL); g_node_destroy (t->priv->toolbars); G_OBJECT_CLASS (parent_class)->finalize (object); } EggToolbarsModel * egg_toolbars_model_new (void) { return EGG_TOOLBARS_MODEL (g_object_new (EGG_TYPE_TOOLBARS_MODEL, NULL)); } void egg_toolbars_model_remove_toolbar (EggToolbarsModel *t, int position) { GNode *node; EggTbModelFlags flags; g_return_if_fail (EGG_IS_TOOLBARS_MODEL (t)); flags = egg_toolbars_model_get_flags (t, position); if (!(flags & EGG_TB_MODEL_NOT_REMOVABLE)) { node = g_node_nth_child (t->priv->toolbars, position); g_return_if_fail (node != NULL); free_toolbar_node (node); g_signal_emit (G_OBJECT (t), signals[TOOLBAR_REMOVED], 0, position); } } void egg_toolbars_model_remove_item (EggToolbarsModel *t, int toolbar_position, int position) { GNode *node, *toolbar; g_return_if_fail (EGG_IS_TOOLBARS_MODEL (t)); toolbar = g_node_nth_child (t->priv->toolbars, toolbar_position); g_return_if_fail (toolbar != NULL); node = g_node_nth_child (toolbar, position); g_return_if_fail (node != NULL); free_item_node (node); g_signal_emit (G_OBJECT (t), signals[ITEM_REMOVED], 0, toolbar_position, position); } void egg_toolbars_model_move_item (EggToolbarsModel *t, int toolbar_position, int position, int new_toolbar_position, int new_position) { GNode *node, *toolbar, *new_toolbar; g_return_if_fail (EGG_IS_TOOLBARS_MODEL (t)); toolbar = g_node_nth_child (t->priv->toolbars, toolbar_position); g_return_if_fail (toolbar != NULL); new_toolbar = g_node_nth_child (t->priv->toolbars, new_toolbar_position); g_return_if_fail (new_toolbar != NULL); node = g_node_nth_child (toolbar, position); g_return_if_fail (node != NULL); g_node_unlink (node); g_signal_emit (G_OBJECT (t), signals[ITEM_REMOVED], 0, toolbar_position, position); g_node_insert (new_toolbar, new_position, node); g_signal_emit (G_OBJECT (t), signals[ITEM_ADDED], 0, new_toolbar_position, new_position); } int egg_toolbars_model_n_items (EggToolbarsModel *t, int toolbar_position) { GNode *toolbar; toolbar = g_node_nth_child (t->priv->toolbars, toolbar_position); g_return_val_if_fail (toolbar != NULL, -1); return g_node_n_children (toolbar); } void egg_toolbars_model_item_nth (EggToolbarsModel *t, int toolbar_position, int position, gboolean *is_separator, const char **id, const char **type) { GNode *toolbar; GNode *item; EggToolbarsItem *idata; toolbar = g_node_nth_child (t->priv->toolbars, toolbar_position); g_return_if_fail (toolbar != NULL); item = g_node_nth_child (toolbar, position); g_return_if_fail (item != NULL); idata = item->data; *is_separator = idata->separator; if (id) { *id = idata->id; } if (type) { *type = idata->type; } } int egg_toolbars_model_n_toolbars (EggToolbarsModel *t) { return g_node_n_children (t->priv->toolbars); } const char * egg_toolbars_model_toolbar_nth (EggToolbarsModel *t, int position) { GNode *toolbar; EggToolbarsToolbar *tdata; toolbar = g_node_nth_child (t->priv->toolbars, position); g_return_val_if_fail (toolbar != NULL, NULL); tdata = toolbar->data; return tdata->name; } gboolean egg_toolbars_model_add_item (EggToolbarsModel *t, int toolbar_position, int position, const char *id, const char *type) { EggToolbarsModelClass *klass = EGG_TOOLBARS_MODEL_GET_CLASS (t); return klass->add_item (t, toolbar_position, position, id, type); } char * egg_toolbars_model_get_item_id (EggToolbarsModel *t, const char *type, const char *name) { char *retval; g_signal_emit (t, signals[GET_ITEM_ID], 0, type, name, &retval); return retval; } char * egg_toolbars_model_get_item_data (EggToolbarsModel *t, const char *type, const char *id) { char *retval; g_signal_emit (t, signals[GET_ITEM_DATA], 0, type, id, &retval); return retval; } char * egg_toolbars_model_get_item_type (EggToolbarsModel *t, GdkAtom type) { char *retval; g_signal_emit (t, signals[GET_ITEM_TYPE], 0, type, &retval); return retval; }