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Diffstat (limited to 'lib/egg/egg-toolbars-model.c')
| -rwxr-xr-x | lib/egg/egg-toolbars-model.c | 490 |
1 files changed, 490 insertions, 0 deletions
diff --git a/lib/egg/egg-toolbars-model.c b/lib/egg/egg-toolbars-model.c new file mode 100755 index 000000000..cc54e6fb1 --- /dev/null +++ b/lib/egg/egg-toolbars-model.c @@ -0,0 +1,490 @@ +/* + * Copyright (C) 2002 Marco Pesenti Gritti + * + * 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. + */ + +#include "egg-toolbars-model.h" +#include "eggmarshalers.h" + +#include <string.h> +#include <libxml/tree.h> + +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_REMOVED, + LAST_SIGNAL +}; + +typedef struct +{ + char *name; +} EggToolbarsToolbar; + +typedef struct +{ + char *action_name; + gboolean separator; +} EggToolbarsItem; + +static guint egg_toolbars_model_signals[LAST_SIGNAL] = { 0 }; + +static GObjectClass *parent_class = NULL; + +struct EggToolbarsModelPrivate +{ + GNode *toolbars; +}; + +GType +egg_toolbars_model_get_type (void) +{ + static GType egg_toolbars_model_type = 0; + + if (egg_toolbars_model_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 + }; + + egg_toolbars_model_type = g_type_register_static (G_TYPE_OBJECT, + "EggToolbarsModel", + &our_info, 0); + } + + return egg_toolbars_model_type; + +} + +static xmlDocPtr +egg_toolbars_model_to_xml (EggToolbarsModel *t) +{ + GNode *l1, *l2, *tl; + xmlDocPtr doc; + + g_return_val_if_fail (IS_EGG_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 + { + node = xmlNewChild (tnode, NULL, "toolitem", NULL); + xmlSetProp (node, "verb", item->action_name); + } + } + } + + return doc; +} + +void +egg_toolbars_model_save (EggToolbarsModel *t, + const char *xml_file) +{ + xmlDocPtr doc; + + g_return_if_fail (IS_EGG_TOOLBARS_MODEL (t)); + + doc = egg_toolbars_model_to_xml (t); + xmlSaveFormatFile (xml_file, doc, 1); + xmlFreeDoc (doc); +} + +static EggToolbarsToolbar * +toolbars_toolbar_new (const char *name) +{ + EggToolbarsToolbar *toolbar; + + toolbar = g_new0 (EggToolbarsToolbar, 1); + toolbar->name = g_strdup (name); + + return toolbar; +} + +static EggToolbarsItem * +toolbars_item_new (const char *action, + gboolean separator) +{ + EggToolbarsItem *item; + + g_return_val_if_fail (action != NULL, NULL); + + item = g_new0 (EggToolbarsItem, 1); + item->action_name = g_strdup (action); + item->separator = separator; + + return item; +} + +static void +free_toolbar_node (EggToolbarsToolbar *toolbar) +{ + g_return_if_fail (toolbar != NULL); + + g_free (toolbar->name); + g_free (toolbar); +} + +static void +free_item_node (EggToolbarsItem *item) +{ + g_return_if_fail (item != NULL); + + g_free (item->action_name); + g_free (item); +} + +void +egg_toolbars_model_add_separator (EggToolbarsModel *t, + int toolbar_position, + int position) +{ + GNode *parent_node; + GNode *node; + EggToolbarsItem *item; + + g_return_if_fail (IS_EGG_TOOLBARS_MODEL (t)); + + parent_node = g_node_nth_child (t->priv->toolbars, toolbar_position); + item = toolbars_item_new ("separator", TRUE); + node = g_node_new (item); + g_node_insert (parent_node, position, node); + + g_signal_emit (G_OBJECT (t), egg_toolbars_model_signals[ITEM_ADDED], 0, + toolbar_position, position); +} + +const char * +egg_toolbars_model_add_item (EggToolbarsModel *t, + int toolbar_position, + int position, + GdkAtom type, + const char *name) +{ + EggToolbarsModelClass *klass = EGG_TOOLBARS_MODEL_GET_CLASS (t); + return klass->add_item (t, toolbar_position, position, type, name); +} + +const char * +impl_add_item (EggToolbarsModel *t, + int toolbar_position, + int position, + GdkAtom type, + const char *name) +{ + GNode *parent_node; + GNode *node; + EggToolbarsItem *item; + + g_return_val_if_fail (IS_EGG_TOOLBARS_MODEL (t), NULL); + g_return_val_if_fail (name != NULL, NULL); + + parent_node = g_node_nth_child (t->priv->toolbars, toolbar_position); + item = toolbars_item_new (name, FALSE); + node = g_node_new (item); + g_node_insert (parent_node, position, node); + + g_signal_emit (G_OBJECT (t), egg_toolbars_model_signals[ITEM_ADDED], 0, + toolbar_position, position); + + return item->action_name; +} + +static void +parse_item_list (EggToolbarsModel *t, + xmlNodePtr child, + int position) +{ + while (child) + { + if (xmlStrEqual (child->name, "toolitem")) + { + xmlChar *verb; + + verb = xmlGetProp (child, "verb"); + egg_toolbars_model_add_item (t, position, -1, NULL, verb); + xmlFree (verb); + } + 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, const char *name) +{ + GNode *node; + + g_return_val_if_fail (IS_EGG_TOOLBARS_MODEL (t), -1); + + node = g_node_new (toolbars_toolbar_new (name)); + g_node_insert (t->priv->toolbars, -1, node); + + g_signal_emit (G_OBJECT (t), egg_toolbars_model_signals[TOOLBAR_ADDED], 0); + + 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; + int position; + + name = xmlGetProp (child, "name"); + position = egg_toolbars_model_add_toolbar (t, name); + xmlFree (name); + + parse_item_list (t, child->children, position); + } + + child = child->next; + } +} + +void +egg_toolbars_model_load (EggToolbarsModel *t, + const char *xml_file) +{ + xmlDocPtr doc; + xmlNodePtr root; + + g_return_if_fail (IS_EGG_TOOLBARS_MODEL (t)); + + doc = xmlParseFile (xml_file); + root = xmlDocGetRootElement (doc); + + t->priv->toolbars = g_node_new (NULL); + parse_toolbars (t, root->children); + + xmlFreeDoc (doc); +} + +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; + + egg_toolbars_model_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); + egg_toolbars_model_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); + egg_toolbars_model_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); + egg_toolbars_model_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); +} + +static void +egg_toolbars_model_init (EggToolbarsModel *t) +{ + t->priv = g_new0 (EggToolbarsModelPrivate, 1); + + t->priv->toolbars = NULL; +} + +static void +egg_toolbars_model_finalize (GObject *object) +{ + EggToolbarsModel *t = EGG_TOOLBARS_MODEL (object); + + g_return_if_fail (object != NULL); + g_return_if_fail (IS_EGG_TOOLBARS_MODEL (object)); + + /* FIXME free nodes */ + g_node_destroy (t->priv->toolbars); + + g_free (t->priv); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +EggToolbarsModel * +egg_toolbars_model_new (void) +{ + EggToolbarsModel *t; + + t = EGG_TOOLBARS_MODEL (g_object_new (EGG_TOOLBARS_MODEL_TYPE, NULL)); + + g_return_val_if_fail (t->priv != NULL, NULL); + + return t; +} + +void +egg_toolbars_model_remove_toolbar (EggToolbarsModel *t, + int position) +{ + GNode *node; + + g_return_if_fail (IS_EGG_TOOLBARS_MODEL (t)); + + node = g_node_nth_child (t->priv->toolbars, position); + g_return_if_fail (node != NULL); + + free_toolbar_node (node->data); + g_node_destroy (node); + + g_signal_emit (G_OBJECT (t), egg_toolbars_model_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 (IS_EGG_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->data); + g_node_destroy (node); + + g_signal_emit (G_OBJECT (t), egg_toolbars_model_signals[ITEM_REMOVED], 0, + toolbar_position, 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); +} + +const char * +egg_toolbars_model_item_nth (EggToolbarsModel *t, + int toolbar_position, + int position, + gboolean *is_separator) +{ + GNode *toolbar; + GNode *item; + EggToolbarsItem *idata; + + toolbar = g_node_nth_child (t->priv->toolbars, toolbar_position); + g_return_val_if_fail (toolbar != NULL, NULL); + + item = g_node_nth_child (toolbar, position); + g_return_val_if_fail (item != NULL, NULL); + + idata = item->data; + + *is_separator = idata->separator; + + return idata->action_name; +} + +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; +} |