mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-21 22:11:22 +03:00
Improve treeview documentation comments
This commit is contained in:
Vincent Sanders
parent
1f19fe05cf
commit
e72b89ac3d
1276
desktop/treeview.c
1276
desktop/treeview.c
File diff suppressed because it is too large
Load Diff
@ -37,6 +37,10 @@ struct core_window_callback_table;
|
||||
typedef struct treeview treeview;
|
||||
typedef struct treeview_node treeview_node;
|
||||
|
||||
|
||||
/**
|
||||
* treeview node type
|
||||
*/
|
||||
enum treeview_node_type {
|
||||
TREE_NODE_NONE = 0, /**< No node */
|
||||
TREE_NODE_ROOT = (1 << 0), /**< Node is treeview's root */
|
||||
@ -44,18 +48,29 @@ enum treeview_node_type {
|
||||
TREE_NODE_ENTRY = (1 << 2) /**< Node is an entry */
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Relationship between nodes
|
||||
*/
|
||||
enum treeview_relationship {
|
||||
TREE_REL_FIRST_CHILD,
|
||||
TREE_REL_NEXT_SIBLING
|
||||
}; /**< Relationship between nodes */
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Node change handling options
|
||||
*/
|
||||
typedef enum {
|
||||
TREE_OPTION_NONE = (0), /* No flags set */
|
||||
TREE_OPTION_SPECIAL_DIR = (1 << 0), /* Special folder */
|
||||
TREE_OPTION_SUPPRESS_RESIZE = (1 << 1), /* Suppress callback */
|
||||
TREE_OPTION_SUPPRESS_REDRAW = (1 << 2) /* Suppress callback */
|
||||
} treeview_node_options_flags; /**< Node change handling options */
|
||||
} treeview_node_options_flags;
|
||||
|
||||
/**
|
||||
* treeview control flags
|
||||
*/
|
||||
typedef enum {
|
||||
TREEVIEW_NO_FLAGS = (0), /**< No flags set */
|
||||
TREEVIEW_NO_MOVES = (1 << 0), /**< No node drags */
|
||||
@ -64,20 +79,28 @@ typedef enum {
|
||||
TREEVIEW_DEL_EMPTY_DIRS = (1 << 2) /**< Delete dirs on empty */
|
||||
} treeview_flags;
|
||||
|
||||
/**
|
||||
* treeview message types
|
||||
*/
|
||||
enum treeview_msg {
|
||||
TREE_MSG_NODE_DELETE, /**< Node to be deleted */
|
||||
TREE_MSG_NODE_EDIT, /**< Node to be edited */
|
||||
TREE_MSG_NODE_LAUNCH /**< Node to be launched */
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* treeview message
|
||||
*/
|
||||
struct treeview_node_msg {
|
||||
enum treeview_msg msg; /**< The message type */
|
||||
union {
|
||||
struct {
|
||||
bool user; /* True iff delete by user interaction */
|
||||
bool user; /**< True iff delete by user interaction */
|
||||
} delete;
|
||||
struct {
|
||||
lwc_string *field; /* The field being edited */
|
||||
const char *text; /* The proposed new value */
|
||||
lwc_string *field; /**< The field being edited */
|
||||
const char *text; /**< The proposed new value */
|
||||
} node_edit; /* Client may call treeview_update_node_* */
|
||||
struct {
|
||||
browser_mouse_state mouse; /* Button / modifier used */
|
||||
@ -85,6 +108,10 @@ struct treeview_node_msg {
|
||||
} data; /**< The message data. */
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* treeview field flags
|
||||
*/
|
||||
enum treeview_field_flags {
|
||||
TREE_FLAG_NONE = 0, /**< No flags set */
|
||||
TREE_FLAG_ALLOW_EDIT = (1 << 0), /**< Whether allow edit field */
|
||||
@ -92,11 +119,20 @@ enum treeview_field_flags {
|
||||
TREE_FLAG_SHOW_NAME = (1 << 2), /**< Whether field name shown */
|
||||
TREE_FLAG_COPY_TEXT = (1 << 3) /**< Whether to copy to clipb */
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Treeview field description
|
||||
*/
|
||||
struct treeview_field_desc {
|
||||
lwc_string *field; /**< A treeview field name */
|
||||
enum treeview_field_flags flags; /**< Flags for field */
|
||||
}; /**< Treeview field description */
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Treeview field data
|
||||
*/
|
||||
struct treeview_field_data {
|
||||
lwc_string *field; /**< Field name */
|
||||
const char *value; /**< Field value */
|
||||
@ -104,10 +140,14 @@ struct treeview_field_data {
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Client callbacks for events concerning nodes
|
||||
*/
|
||||
struct treeview_callback_table {
|
||||
nserror (*folder)(struct treeview_node_msg msg, void *data);
|
||||
nserror (*entry)(struct treeview_node_msg msg, void *data);
|
||||
}; /**< Client callbacks for events concerning nodes */
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Prepare treeview module for treeview usage
|
||||
@ -116,6 +156,7 @@ struct treeview_callback_table {
|
||||
*/
|
||||
nserror treeview_init(void);
|
||||
|
||||
|
||||
/**
|
||||
* Finalise the treeview module (all treeviews must have been destroyed first)
|
||||
*
|
||||
@ -123,9 +164,18 @@ nserror treeview_init(void);
|
||||
*/
|
||||
nserror treeview_fini(void);
|
||||
|
||||
|
||||
/**
|
||||
* Create a treeview
|
||||
*
|
||||
* The fields array order is as follows (N = n_fields):
|
||||
*
|
||||
* fields[0] Main field for entries (shown when not expanded)
|
||||
* fields[1]...fields[N-2] Additional fields for entries
|
||||
* fields[N-1] Field for folder nodes
|
||||
*
|
||||
* So fields[0] and fields[N-1] have TREE_FLAG_DEFAULT set.
|
||||
*
|
||||
* \param tree Returns created treeview object
|
||||
* \param callbacks Treeview client node event callbacks
|
||||
* \param n_fields Number of treeview fields (see description)
|
||||
@ -134,20 +184,13 @@ nserror treeview_fini(void);
|
||||
* \param cw The core_window in which the treeview is shown
|
||||
* \param flags Treeview behaviour flags
|
||||
* \return NSERROR_OK on success, appropriate error otherwise
|
||||
*
|
||||
* The fields array order is as follows (N = n_fields):
|
||||
*
|
||||
* fields[0] Main field for entries (shown when not expanded)
|
||||
* fields[1]...fields[N-2] Additional fields for entries
|
||||
* fields[N-1] Field for folder nodes
|
||||
*
|
||||
* So fields[0] and fields[N-1] have TREE_FLAG_DEFAULT set.
|
||||
*/
|
||||
nserror treeview_create(treeview **tree,
|
||||
const struct treeview_callback_table *callbacks,
|
||||
int n_fields, struct treeview_field_desc fields[],
|
||||
const struct core_window_callback_table *cw_t,
|
||||
struct core_window *cw, treeview_flags flags);
|
||||
const struct treeview_callback_table *callbacks,
|
||||
int n_fields, struct treeview_field_desc fields[],
|
||||
const struct core_window_callback_table *cw_t,
|
||||
struct core_window *cw, treeview_flags flags);
|
||||
|
||||
|
||||
/**
|
||||
* Attach a treeview to a corewindow.
|
||||
@ -160,45 +203,50 @@ nserror treeview_create(treeview **tree,
|
||||
* \return NSERROR_OK on success, appropriate error otherwise
|
||||
*/
|
||||
nserror treeview_cw_attach(treeview *tree,
|
||||
const struct core_window_callback_table *cw_t,
|
||||
struct core_window *cw);
|
||||
const struct core_window_callback_table *cw_t,
|
||||
struct core_window *cw);
|
||||
|
||||
|
||||
/**
|
||||
* Detach a treeview from a corewindow
|
||||
*
|
||||
* \param tree Treeview object
|
||||
* \param tree Treeview object
|
||||
* \return NSERROR_OK on success, appropriate error otherwise
|
||||
*/
|
||||
nserror treeview_cw_detach(treeview *tree);
|
||||
|
||||
|
||||
/**
|
||||
* Destroy a treeview object
|
||||
*
|
||||
* \param tree Treeview object to destroy
|
||||
* \return NSERROR_OK on success, appropriate error otherwise
|
||||
*
|
||||
* Will emit folder and entry deletion msg callbacks for all nodes in treeview.
|
||||
*
|
||||
* \param tree Treeview object to destroy
|
||||
* \return NSERROR_OK on success, appropriate error otherwise
|
||||
*/
|
||||
nserror treeview_destroy(treeview *tree);
|
||||
|
||||
|
||||
/**
|
||||
* Find a releation for node creation.
|
||||
*
|
||||
* If at_y is set, we find a relation that will put the created node at that
|
||||
* position.
|
||||
*
|
||||
* If at_y is unset, we find a relation that would put the node below the first
|
||||
* selected node, or at the end of the treeview if no nodes selected.
|
||||
*
|
||||
* \param tree Treeview object in which to create folder
|
||||
* \param relation Existing node to insert as relation of, or NULL
|
||||
* \param rel Folder's relationship to relation
|
||||
* \param at_y Iff true, insert at y-offest
|
||||
* \param y Y-offset in px from top of hotlist. Ignored if (!at_y).
|
||||
* \return NSERROR_OK on success, appropriate error otherwise
|
||||
*
|
||||
* If at_y is set, we find a relation that will put the created node at that
|
||||
* position.
|
||||
*
|
||||
* If at_y is unset, we find a relation that would put the node below the first
|
||||
* selected node, or at the end of the treeview if no nodes selected.
|
||||
*/
|
||||
nserror treeview_get_relation(treeview *tree, treeview_node **relation,
|
||||
enum treeview_relationship *rel, bool at_y, int y);
|
||||
enum treeview_relationship *rel,
|
||||
bool at_y, int y);
|
||||
|
||||
|
||||
/**
|
||||
* Create a folder node in given treeview
|
||||
@ -217,11 +265,13 @@ nserror treeview_get_relation(treeview *tree, treeview_node **relation,
|
||||
* If relation is NULL, will insert as child of root node.
|
||||
*/
|
||||
nserror treeview_create_node_folder(treeview *tree,
|
||||
treeview_node **folder,
|
||||
treeview_node *relation,
|
||||
enum treeview_relationship rel,
|
||||
const struct treeview_field_data *field,
|
||||
void *data, treeview_node_options_flags flags);
|
||||
treeview_node **folder,
|
||||
treeview_node *relation,
|
||||
enum treeview_relationship rel,
|
||||
const struct treeview_field_data *field,
|
||||
void *data,
|
||||
treeview_node_options_flags flags);
|
||||
|
||||
|
||||
/**
|
||||
* Create an entry node in given treeview
|
||||
@ -240,11 +290,13 @@ nserror treeview_create_node_folder(treeview *tree,
|
||||
* If relation is NULL, will insert as child of root node.
|
||||
*/
|
||||
nserror treeview_create_node_entry(treeview *tree,
|
||||
treeview_node **entry,
|
||||
treeview_node *relation,
|
||||
enum treeview_relationship rel,
|
||||
const struct treeview_field_data fields[],
|
||||
void *data, treeview_node_options_flags flags);
|
||||
treeview_node **entry,
|
||||
treeview_node *relation,
|
||||
enum treeview_relationship rel,
|
||||
const struct treeview_field_data fields[],
|
||||
void *data,
|
||||
treeview_node_options_flags flags);
|
||||
|
||||
|
||||
/**
|
||||
* Update an folder node in given treeview
|
||||
@ -258,9 +310,10 @@ nserror treeview_create_node_entry(treeview *tree,
|
||||
* Field name must match name past in treeview_create fields[N-1].
|
||||
*/
|
||||
nserror treeview_update_node_folder(treeview *tree,
|
||||
treeview_node *folder,
|
||||
const struct treeview_field_data *field,
|
||||
void *data);
|
||||
treeview_node *folder,
|
||||
const struct treeview_field_data *field,
|
||||
void *data);
|
||||
|
||||
|
||||
/**
|
||||
* Update an entry node in given treeview
|
||||
@ -274,9 +327,9 @@ nserror treeview_update_node_folder(treeview *tree,
|
||||
* Fields array names must match names past in treeview_create fields[0...N-2].
|
||||
*/
|
||||
nserror treeview_update_node_entry(treeview *tree,
|
||||
treeview_node *entry,
|
||||
const struct treeview_field_data fields[],
|
||||
void *data);
|
||||
treeview_node *entry,
|
||||
const struct treeview_field_data fields[],
|
||||
void *data);
|
||||
|
||||
|
||||
/**
|
||||
@ -289,12 +342,19 @@ nserror treeview_update_node_entry(treeview *tree,
|
||||
* \return NSERROR_OK on success, or appropriate error otherwise
|
||||
*/
|
||||
typedef nserror (*treeview_walk_cb)(void *ctx, void *node_data,
|
||||
enum treeview_node_type type, bool *abort);
|
||||
enum treeview_node_type type, bool *abort);
|
||||
|
||||
|
||||
/**
|
||||
* Walk (depth first) a treeview subtree, calling a callback at each node of
|
||||
* required type.
|
||||
*
|
||||
* Example usage: To export a treeview as XML, XML elements can be opened in
|
||||
* enter_cb, and closed in leave_cb.
|
||||
*
|
||||
* Note, if deleting returned node in enter_cb, the walk must be terminated by
|
||||
* setting abort to true.
|
||||
*
|
||||
* \param tree Treeview object to walk
|
||||
* \param root Root node to walk tree from (or NULL for tree root)
|
||||
* \param enter_cb Function to call on entering nodes, or NULL
|
||||
@ -302,16 +362,11 @@ typedef nserror (*treeview_walk_cb)(void *ctx, void *node_data,
|
||||
* \param ctx Client context, passed back to callback function
|
||||
* \param type The node type(s) of interest
|
||||
* \return NSERROR_OK on success, or appropriate error otherwise
|
||||
*
|
||||
* Example usage: To export a treeview as XML, XML elements can be opened in
|
||||
* enter_cb, and closed in leave_cb.
|
||||
*
|
||||
* Note, if deleting returned node in enter_cb, the walk must be terminated by
|
||||
* setting abort to true.
|
||||
*/
|
||||
nserror treeview_walk(treeview *tree, treeview_node *root,
|
||||
treeview_walk_cb enter_cb, treeview_walk_cb leave_cb,
|
||||
void *ctx, enum treeview_node_type type);
|
||||
treeview_walk_cb enter_cb, treeview_walk_cb leave_cb,
|
||||
void *ctx, enum treeview_node_type type);
|
||||
|
||||
|
||||
/**
|
||||
* Delete a treeview node
|
||||
@ -324,7 +379,8 @@ nserror treeview_walk(treeview *tree, treeview_node *root,
|
||||
* Will emit folder or entry deletion msg callback.
|
||||
*/
|
||||
nserror treeview_delete_node(treeview *tree, treeview_node *n,
|
||||
treeview_node_options_flags flags);
|
||||
treeview_node_options_flags flags);
|
||||
|
||||
|
||||
/**
|
||||
* Expand a treeview node
|
||||
@ -335,6 +391,7 @@ nserror treeview_delete_node(treeview *tree, treeview_node *n,
|
||||
*/
|
||||
nserror treeview_node_expand(treeview *tree, treeview_node *node);
|
||||
|
||||
|
||||
/**
|
||||
* Contract a treeview node
|
||||
*
|
||||
@ -344,6 +401,7 @@ nserror treeview_node_expand(treeview *tree, treeview_node *node);
|
||||
*/
|
||||
nserror treeview_node_contract(treeview *tree, treeview_node *node);
|
||||
|
||||
|
||||
/**
|
||||
* Expand a treeview's nodes
|
||||
*
|
||||
@ -353,6 +411,7 @@ nserror treeview_node_contract(treeview *tree, treeview_node *node);
|
||||
*/
|
||||
nserror treeview_expand(treeview *tree, bool only_folders);
|
||||
|
||||
|
||||
/**
|
||||
* Contract a treeview's nodes
|
||||
*
|
||||
@ -362,6 +421,7 @@ nserror treeview_expand(treeview *tree, bool only_folders);
|
||||
*/
|
||||
nserror treeview_contract(treeview *tree, bool all);
|
||||
|
||||
|
||||
/**
|
||||
* Redraw a treeview object
|
||||
*
|
||||
@ -372,7 +432,8 @@ nserror treeview_contract(treeview *tree, bool all);
|
||||
* \param ctx Current redraw context
|
||||
*/
|
||||
void treeview_redraw(treeview *tree, int x, int y, struct rect *clip,
|
||||
const struct redraw_context *ctx);
|
||||
const struct redraw_context *ctx);
|
||||
|
||||
|
||||
/**
|
||||
* Key press handling for treeviews.
|
||||
@ -383,6 +444,7 @@ void treeview_redraw(treeview *tree, int x, int y, struct rect *clip,
|
||||
*/
|
||||
bool treeview_keypress(treeview *tree, uint32_t key);
|
||||
|
||||
|
||||
/**
|
||||
* Handles all kinds of mouse action
|
||||
*
|
||||
@ -392,16 +454,18 @@ bool treeview_keypress(treeview *tree, uint32_t key);
|
||||
* \param y Y coordinate
|
||||
*/
|
||||
void treeview_mouse_action(treeview *tree,
|
||||
browser_mouse_state mouse, int x, int y);
|
||||
browser_mouse_state mouse, int x, int y);
|
||||
|
||||
|
||||
/**
|
||||
* Determine whether treeview has a selection
|
||||
*
|
||||
* \param tree Treeview object to delete node from
|
||||
* \param tree Treeview object to delete node from
|
||||
* \return true iff treeview has a selection
|
||||
*/
|
||||
bool treeview_has_selection(treeview *tree);
|
||||
|
||||
|
||||
/**
|
||||
* Get the first selected node
|
||||
*
|
||||
@ -410,19 +474,21 @@ bool treeview_has_selection(treeview *tree);
|
||||
* \return node type of first selected node.
|
||||
*/
|
||||
enum treeview_node_type treeview_get_selection(treeview *tree,
|
||||
void **node_data);
|
||||
void **node_data);
|
||||
|
||||
|
||||
/**
|
||||
* Edit the first selected node
|
||||
*
|
||||
* \param tree Treeview object to edit selected node in
|
||||
* \param tree Treeview object to edit selected node in
|
||||
*/
|
||||
void treeview_edit_selection(treeview *tree);
|
||||
|
||||
|
||||
/**
|
||||
* Find current height of a treeview
|
||||
*
|
||||
* \param tree Treeview object to find height of
|
||||
* \param tree Treeview object to find height of
|
||||
* \return height of treeview in px
|
||||
*/
|
||||
int treeview_get_height(treeview *tree);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user