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-rw-r--r--desktop/tree.c106
1 files changed, 45 insertions, 61 deletions
diff --git a/desktop/tree.c b/desktop/tree.c
index af64be83b..c62793e02 100644
--- a/desktop/tree.c
+++ b/desktop/tree.c
@@ -117,7 +117,7 @@ struct node_element {
struct node *parent; /**< Parent node */
node_element_type type; /**< Element type */
struct node_element_box box; /**< Element bounding box */
- const char *text; /**< Text for the element */
+ char *text; /**< Text for the element */
void *bitmap; /**< Bitmap for the element */
struct node_element *next; /**< Next node element */
unsigned int flag; /**< Client specified flag for data
@@ -233,26 +233,19 @@ struct tree *tree_create(unsigned int flags,
const struct treeview_table *callbacks, void *client_data)
{
struct tree *tree;
- char *title;
tree = calloc(sizeof(struct tree), 1);
if (tree == NULL) {
LOG(("calloc failed"));
- warn_user("NoMemory", 0);
+ warn_user(messages_get_errorcode(NSERROR_NOMEM), 0);
return NULL;
}
- title = strdup("Root");
- if (title == NULL) {
- LOG(("malloc failed"));
- warn_user("NoMemory", 0);
- free(tree);
- return NULL;
- }
- tree->root = tree_create_folder_node(NULL, NULL, title,
+ tree->root = tree_create_folder_node(NULL,
+ NULL,
+ messages_get("Root"),
false, false, false);
if (tree->root == NULL) {
- free(title);
free(tree);
return NULL;
}
@@ -553,18 +546,7 @@ static void tree_recalculate_node_sizes(struct tree *tree, struct node *node,
}
-/**
- * Creates a folder node with the specified title, and optionally links it into
- * the tree.
- *
- * \param tree the owner tree of 'parent', may be NULL
- * \param parent the parent node, or NULL not to link
- * \param title the node title (not copied, used directly)
- * \param editable if true, the node title will be editable
- * \param retain_in_memory if true, the node will stay in memory after deletion
- * \param deleted if true, the node is created with the deleted flag
- * \return the newly created node.
- */
+/* exported interface documented in desktop/tree.h */
struct node *tree_create_folder_node(struct tree *tree, struct node *parent,
const char *title, bool editable, bool retain_in_memory,
bool deleted)
@@ -575,16 +557,20 @@ struct node *tree_create_folder_node(struct tree *tree, struct node *parent,
node = calloc(sizeof(struct node), 1);
if (node == NULL) {
- LOG(("calloc failed"));
- warn_user("NoMemory", 0);
return NULL;
}
+
+ node->data.text = strdup(title);
+ if (node->data.text == NULL) {
+ free(node);
+ return NULL;
+ }
+
node->folder = true;
node->retain_in_memory = retain_in_memory;
node->deleted = deleted;
node->data.parent = node;
node->data.type = NODE_ELEMENT_TEXT;
- node->data.text = title;
node->data.flag = TREE_ELEMENT_TITLE;
node->data.editable = editable;
node->sort = NULL;
@@ -592,25 +578,14 @@ struct node *tree_create_folder_node(struct tree *tree, struct node *parent,
node->previous = NULL;
tree_recalculate_node_sizes(tree, node, true);
- if (parent != NULL)
+ if (parent != NULL) {
tree_link_node(tree, parent, node, false);
+ }
return node;
}
-
-/**
- * Creates a leaf node with the specified title, and optionally links it into
- * the tree.
- *
- * \param tree the owner tree of 'parent', may be NULL
- * \param parent the parent node, or NULL not to link
- * \param title the node title (not copied, used directly)
- * \param editable if true, the node title will be editable
- * \param retain_in_memory if true, the node will stay in memory after deletion
- * \param deleted if true, the node is created with the deleted flag
- * \return the newly created node.
- */
+/* exported interface documented in desktop/tree.h */
struct node *tree_create_leaf_node(struct tree *tree, struct node *parent,
const char *title, bool editable, bool retain_in_memory,
bool deleted)
@@ -621,8 +596,12 @@ struct node *tree_create_leaf_node(struct tree *tree, struct node *parent,
node = calloc(sizeof(struct node), 1);
if (node == NULL) {
- LOG(("calloc failed"));
- warn_user("NoMemory", 0);
+ return NULL;
+ }
+
+ node->data.text = strdup(title);
+ if (node->data.text == NULL) {
+ free(node);
return NULL;
}
@@ -631,7 +610,6 @@ struct node *tree_create_leaf_node(struct tree *tree, struct node *parent,
node->deleted = deleted;
node->data.parent = node;
node->data.type = NODE_ELEMENT_TEXT;
- node->data.text = title;
node->data.flag = TREE_ELEMENT_TITLE;
node->data.editable = editable;
node->sort = NULL;
@@ -639,8 +617,9 @@ struct node *tree_create_leaf_node(struct tree *tree, struct node *parent,
node->previous = NULL;
tree_recalculate_node_sizes(tree, node, true);
- if (parent != NULL)
+ if (parent != NULL) {
tree_link_node(tree, parent, node, false);
+ }
return node;
}
@@ -1502,18 +1481,20 @@ void tree_update_node_element(struct tree *tree, struct node_element *element,
assert(element != NULL);
- if (tree != NULL && element == tree->editing)
+ if ((tree != NULL) && (element == tree->editing)) {
tree_stop_edit(tree, false);
+ }
- if (text != NULL && (element->type == NODE_ELEMENT_TEXT ||
- element->type == NODE_ELEMENT_TEXT_PLUS_ICON)) {
+ if ((text != NULL) &&
+ (element->type == NODE_ELEMENT_TEXT ||
+ element->type == NODE_ELEMENT_TEXT_PLUS_ICON)) {
if (element->text != NULL) {
- if(strcmp(element->text, text) == 0) text_changed = true;
-
+ if (strcmp(element->text, text) == 0) {
+ text_changed = true;
+ }
response = NODE_CALLBACK_NOT_HANDLED;
- if (!element->editable &&
- element->parent->user_callback !=
- NULL) {
+ if ((!element->editable) &&
+ (element->parent->user_callback != NULL)) {
msg_data.msg = NODE_DELETE_ELEMENT_TXT;
msg_data.flag = element->flag;
msg_data.node = element->parent;
@@ -1522,14 +1503,16 @@ void tree_update_node_element(struct tree *tree, struct node_element *element,
element->parent->callback_data,
&msg_data);
}
- if (response != NODE_CALLBACK_HANDLED)
- free((void *)element->text);
+ if (response != NODE_CALLBACK_HANDLED) {
+ free(element->text);
+ }
}
- element->text = text;
+ element->text = (char *)text;
}
- if (bitmap != NULL && (element->type == NODE_ELEMENT_BITMAP ||
- element->type == NODE_ELEMENT_TEXT_PLUS_ICON)) {
+ if ((bitmap != NULL) &&
+ ((element->type == NODE_ELEMENT_BITMAP) ||
+ (element->type == NODE_ELEMENT_TEXT_PLUS_ICON))) {
if (element->bitmap != NULL) {
response = NODE_CALLBACK_NOT_HANDLED;
if (element->parent->user_callback != NULL) {
@@ -1541,10 +1524,11 @@ void tree_update_node_element(struct tree *tree, struct node_element *element,
element->parent->callback_data,
&msg_data);
}
- if (response != NODE_CALLBACK_HANDLED)
+
+ if (response != NODE_CALLBACK_HANDLED) {
free(element->bitmap);
- }
- else {
+ }
+ } else {
/* Increase the box width to accomodate the new icon */
element->box.width += NODE_INSTEP;
}