diff options
Diffstat (limited to 'lib/egg/egg-toolbars-group.c')
| -rwxr-xr-x | lib/egg/egg-toolbars-group.c | 643 |
1 files changed, 643 insertions, 0 deletions
diff --git a/lib/egg/egg-toolbars-group.c b/lib/egg/egg-toolbars-group.c new file mode 100755 index 000000000..c99f0cd06 --- /dev/null +++ b/lib/egg/egg-toolbars-group.c @@ -0,0 +1,643 @@ +/* + * 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-group.h" + +#include <string.h> + +static void egg_toolbars_group_class_init (EggToolbarsGroupClass *klass); +static void egg_toolbars_group_init (EggToolbarsGroup *t); +static void egg_toolbars_group_finalize (GObject *object); + +enum +{ + CHANGED, + LAST_SIGNAL +}; + +static guint egg_toolbars_group_signals[LAST_SIGNAL] = { 0 }; + +static GObjectClass *parent_class = NULL; + +struct EggToolbarsGroupPrivate +{ + GNode *available_actions; + GNode *toolbars; + char *defaults; + char *user; +}; + +GType +egg_toolbars_group_get_type (void) +{ + static GType egg_toolbars_group_type = 0; + + if (egg_toolbars_group_type == 0) + { + static const GTypeInfo our_info = { + sizeof (EggToolbarsGroupClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) egg_toolbars_group_class_init, + NULL, + NULL, /* class_data */ + sizeof (EggToolbarsGroup), + 0, /* n_preallocs */ + (GInstanceInitFunc) egg_toolbars_group_init + }; + + egg_toolbars_group_type = g_type_register_static (G_TYPE_OBJECT, + "EggToolbarsGroup", + &our_info, 0); + } + + return egg_toolbars_group_type; + +} + +static xmlDocPtr +egg_toolbars_group_to_xml (EggToolbarsGroup *t) +{ + GNode *l1, *l2, *tl; + xmlDocPtr doc; + + g_return_val_if_fail (IS_EGG_TOOLBARS_GROUP (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; + + tnode = xmlNewChild (doc->children, NULL, "toolbar", NULL); + + 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); + } + } + } + + return doc; +} + +static void +toolbars_group_save (EggToolbarsGroup *t) +{ + xmlDocPtr doc; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (t)); + + doc = egg_toolbars_group_to_xml (t); + xmlSaveFormatFile (t->priv->user, doc, 1); + xmlFreeDoc (doc); +} + +static EggToolbarsToolbar * +toolbars_toolbar_new (void) +{ + EggToolbarsToolbar *toolbar; + static int id = 0; + + toolbar = g_new0 (EggToolbarsToolbar, 1); + toolbar->id = g_strdup_printf ("Toolbar%d", id); + + id++; + + return toolbar; +} + +static EggToolbarsItem * +toolbars_item_new (const char *action, + gboolean separator) +{ + EggToolbarsItem *item; + static int id = 0; + + g_return_val_if_fail (action != NULL, NULL); + + item = g_new0 (EggToolbarsItem, 1); + item->action = g_strdup (action); + item->separator = separator; + item->id = g_strdup_printf ("TI%d", id); + + id++; + + return item; +} + +static void +free_toolbar_node (EggToolbarsToolbar *toolbar) +{ + g_return_if_fail (toolbar != NULL); + + g_free (toolbar->id); + g_free (toolbar); +} + +static void +free_item_node (EggToolbarsItem *item) +{ + g_return_if_fail (item != NULL); + + g_free (item->action); + g_free (item->id); + g_free (item); +} + +static void +add_action (EggToolbarsGroup *t, + GNode *parent, + int pos, + const char *name) +{ + EggToolbarsItem *item; + GNode *node; + gboolean separator; + + separator = (strcmp (name, "separator") == 0); + item = toolbars_item_new (name, separator); + item->parent = parent->data; + node = g_node_new (item); + + g_node_insert (parent, pos, node); +} + +void +egg_toolbars_group_add_item (EggToolbarsGroup *t, + EggToolbarsToolbar *parent, + int pos, + const char *name) +{ + GNode *parent_node; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (t)); + g_return_if_fail (parent != NULL); + g_return_if_fail (name != NULL); + + parent_node = + g_node_find (t->priv->toolbars, G_IN_ORDER, G_TRAVERSE_ALL, parent); + + add_action (t, parent_node, pos, name); + + toolbars_group_save (t); + + g_signal_emit (G_OBJECT (t), egg_toolbars_group_signals[CHANGED], 0); +} + +static void +parse_item_list (EggToolbarsGroup *t, + xmlNodePtr child, + GNode *parent) +{ + while (child) + { + if (xmlStrEqual (child->name, "toolitem")) + { + xmlChar *verb; + + verb = xmlGetProp (child, "verb"); + add_action (t, parent, -1, verb); + + xmlFree (verb); + } + else if (xmlStrEqual (child->name, "separator")) + { + add_action (t, parent, -1, "separator"); + } + + child = child->next; + } +} + +static GNode * +add_toolbar (EggToolbarsGroup *t) +{ + EggToolbarsToolbar *toolbar; + GNode *node; + + toolbar = toolbars_toolbar_new (); + node = g_node_new (toolbar); + g_node_append (t->priv->toolbars, node); + + return node; +} + +EggToolbarsToolbar * +egg_toolbars_group_add_toolbar (EggToolbarsGroup *t) +{ + GNode *node; + + g_return_val_if_fail (IS_EGG_TOOLBARS_GROUP (t), NULL); + + node = add_toolbar (t); + g_return_val_if_fail (node != NULL, NULL); + + toolbars_group_save (t); + + g_signal_emit (G_OBJECT (t), egg_toolbars_group_signals[CHANGED], 0); + + return node->data; +} + +static void +parse_toolbars (EggToolbarsGroup *t, + xmlNodePtr child) +{ + while (child) + { + if (xmlStrEqual (child->name, "toolbar")) + { + GNode *node; + + node = add_toolbar (t); + parse_item_list (t, child->children, node); + } + + child = child->next; + } +} + +static void +load_defaults (EggToolbarsGroup *t) +{ + xmlDocPtr doc; + xmlNodePtr child; + xmlNodePtr root; + const char *xml_filepath; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (t)); + + xml_filepath = t->priv->defaults; + + doc = xmlParseFile (xml_filepath); + root = xmlDocGetRootElement (doc); + + child = root->children; + while (child) + { + if (xmlStrEqual (child->name, "available")) + { + t->priv->available_actions = g_node_new (NULL); + parse_item_list (t, child->children, t->priv->available_actions); + } + else if (xmlStrEqual (child->name, "default") && + t->priv->toolbars == NULL) + { + t->priv->toolbars = g_node_new (NULL); + parse_toolbars (t, child->children); + } + + child = child->next; + } + + xmlFreeDoc (doc); +} + +static void +load_toolbar (EggToolbarsGroup *t) +{ + xmlDocPtr doc; + xmlNodePtr root; + const char *xml_filepath = t->priv->user; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (t)); + + if (!g_file_test (xml_filepath, G_FILE_TEST_EXISTS)) + return; + + doc = xmlParseFile (xml_filepath); + root = xmlDocGetRootElement (doc); + + t->priv->toolbars = g_node_new (NULL); + parse_toolbars (t, root->children); + + xmlFreeDoc (doc); +} + +char * +egg_toolbars_group_to_string (EggToolbarsGroup *t) +{ + GString *s; + GNode *l1, *l2, *tl; + char *result; + int k = 0; + + g_return_val_if_fail (IS_EGG_TOOLBARS_GROUP (t), NULL); + + tl = t->priv->toolbars; + + g_return_val_if_fail (tl != NULL, NULL); + + s = g_string_new (NULL); + g_string_append (s, "<Root>"); + for (l1 = tl->children; l1 != NULL; l1 = l1->next) + { + int i = 0; + EggToolbarsToolbar *toolbar = l1->data; + + g_string_append_printf (s, "<dockitem name=\"%s\">\n", toolbar->id); + + for (l2 = l1->children; l2 != NULL; l2 = l2->next) + { + EggToolbarsItem *item = l2->data; + + if (item->separator) + { + g_string_append_printf + (s, "<placeholder name=\"PlaceHolder%d-%d\">" + "<separator name=\"%s\"/>" + "</placeholder>\n", i, k, item->id); + } + else + { + g_string_append_printf + (s, "<placeholder name=\"PlaceHolder%d-%d\">" + "<toolitem name=\"%s\" verb=\"%s\"/>" + "</placeholder>\n", i, k, item->id, item->action); + } + i++; + } + + g_string_append (s, "</dockitem>\n"); + + k++; + } + g_string_append (s, "</Root>"); + + result = g_string_free (s, FALSE); + + return result; +} + +static void +egg_toolbars_group_class_init (EggToolbarsGroupClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + object_class->finalize = egg_toolbars_group_finalize; + + egg_toolbars_group_signals[CHANGED] = + g_signal_new ("changed", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EggToolbarsGroupClass, changed), + NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + +} + +static void +egg_toolbars_group_init (EggToolbarsGroup *t) +{ + t->priv = g_new0 (EggToolbarsGroupPrivate, 1); + + t->priv->available_actions = NULL; + t->priv->toolbars = NULL; + t->priv->user = NULL; + t->priv->defaults = NULL; +} + +static void +egg_toolbars_group_finalize (GObject *object) +{ + EggToolbarsGroup *t = EGG_TOOLBARS_GROUP (object); + + g_return_if_fail (object != NULL); + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (object)); + + g_node_children_foreach (t->priv->available_actions, G_IN_ORDER, + (GNodeForeachFunc) free_item_node, NULL); + egg_toolbars_group_foreach_toolbar + (t, (EggToolbarsGroupForeachToolbarFunc) free_toolbar_node, NULL); + egg_toolbars_group_foreach_item + (t, (EggToolbarsGroupForeachItemFunc) free_item_node, NULL); + g_node_destroy (t->priv->available_actions); + g_node_destroy (t->priv->toolbars); + + g_free (t->priv->user); + g_free (t->priv->defaults); + + g_free (t->priv); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +EggToolbarsGroup * +egg_toolbars_group_new (void) +{ + EggToolbarsGroup *t; + + t = EGG_TOOLBARS_GROUP (g_object_new (EGG_TOOLBARS_GROUP_TYPE, NULL)); + + g_return_val_if_fail (t->priv != NULL, NULL); + + return t; +} + +void +egg_toolbars_group_remove_toolbar (EggToolbarsGroup *t, + EggToolbarsToolbar *toolbar) +{ + GNode *node; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (t)); + g_return_if_fail (toolbar != NULL); + + node = g_node_find (t->priv->toolbars, G_IN_ORDER, G_TRAVERSE_ALL, toolbar); + g_return_if_fail (node != NULL); + free_toolbar_node (node->data); + g_node_destroy (node); + + toolbars_group_save (t); + + g_signal_emit (G_OBJECT (t), egg_toolbars_group_signals[CHANGED], 0); +} + +void +egg_toolbars_group_remove_item (EggToolbarsGroup *t, + EggToolbarsItem *item) +{ + GNode *node; + GNode *toolbar; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (t)); + g_return_if_fail (item != NULL); + + node = g_node_find (t->priv->toolbars, G_IN_ORDER, G_TRAVERSE_ALL, item); + g_return_if_fail (node != NULL); + toolbar = node->parent; + free_item_node (node->data); + g_node_destroy (node); + + if (g_node_n_children (toolbar) == 0) + { + free_toolbar_node (toolbar->data); + g_node_destroy (toolbar); + } + + toolbars_group_save (t); + + g_signal_emit (G_OBJECT (t), egg_toolbars_group_signals[CHANGED], 0); +} + +void +egg_toolbars_group_set_source (EggToolbarsGroup *group, + const char *defaults, + const char *user) +{ + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (group)); + g_return_if_fail (defaults != NULL); + + group->priv->defaults = g_strdup (defaults); + group->priv->user = g_strdup (user); + + load_toolbar (group); + load_defaults (group); +} + +static gboolean +is_item_in_toolbars (EggToolbarsGroup *group, + const char *action) +{ + GNode *l1, *l2; + + g_return_val_if_fail (IS_EGG_TOOLBARS_GROUP (group), FALSE); + g_return_val_if_fail (action != NULL, FALSE); + + for (l1 = group->priv->toolbars->children; l1 != NULL; l1 = l1->next) + { + for (l2 = l1->children; l2 != NULL; l2 = l2->next) + { + EggToolbarsItem *item; + + item = (EggToolbarsItem *) l2->data; + if (strcmp (action, item->action) == 0) + return TRUE; + } + } + + return FALSE; +} + +void +egg_toolbars_group_foreach_available (EggToolbarsGroup *group, + EggToolbarsGroupForeachItemFunc func, + gpointer data) +{ + GNode *l1; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (group)); + + for (l1 = group->priv->available_actions->children; l1 != NULL; + l1 = l1->next) + { + EggToolbarsItem *item; + + item = (EggToolbarsItem *) l1->data; + + if (!is_item_in_toolbars (group, item->action)) + { + func (item, data); + } + } +} + +void +egg_toolbars_group_foreach_toolbar (EggToolbarsGroup *group, + EggToolbarsGroupForeachToolbarFunc func, + gpointer data) +{ + GNode *l1; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (group)); + + for (l1 = group->priv->toolbars->children; l1 != NULL; l1 = l1->next) + { + func (l1->data, data); + } +} + +void +egg_toolbars_group_foreach_item (EggToolbarsGroup *group, + EggToolbarsGroupForeachItemFunc func, + gpointer data) +{ + GNode *l1, *l2; + + g_return_if_fail (IS_EGG_TOOLBARS_GROUP (group)); + + for (l1 = group->priv->toolbars->children; l1 != NULL; l1 = l1->next) + { + for (l2 = l1->children; l2 != NULL; l2 = l2->next) + { + func (l2->data, data); + } + } +} + +char * +egg_toolbars_group_get_path (EggToolbarsGroup *t, + gpointer item) +{ + GNode *node; + char *path = NULL; + EggToolbarsItem *titem; + EggToolbarsToolbar *toolbar; + + g_return_val_if_fail (IS_EGG_TOOLBARS_GROUP (t), NULL); + + node = g_node_find (t->priv->toolbars, G_IN_ORDER, G_TRAVERSE_ALL, item); + g_return_val_if_fail (node != NULL, NULL); + titem = (EggToolbarsItem *) node->data; + toolbar = (EggToolbarsToolbar *) node->data; + + switch (g_node_depth (node)) + { + case 2: + path = g_strdup_printf ("/%s", toolbar->id); + break; + case 3: + path = g_strdup_printf + ("/Toolbar%d/PlaceHolder%d-%d/%s", + g_node_child_position (node->parent->parent, node->parent), + g_node_child_position (node->parent, node), + g_node_child_position (node->parent->parent, node->parent), + titem->id); + break; + default: + g_assert_not_reached (); + } + + return path; +} |