## ExoToolbarsModel

ExoToolbarsModel — The toolbars backend used by ExoToolbarsView

## Synopsis

    #include <exo/exo.h>

                        ExoToolbarsModel;
    enum                ExoToolbarsModelFlags;
    #define             EXO_TOOLBARS_ITEM_TYPE
    ExoToolbarsModel*   exo_toolbars_model_new              (void);
    void                exo_toolbars_model_set_actions      (ExoToolbarsModel *model,
                                                             gchar **actions,
                                                             guint n_actions);
    gchar**             exo_toolbars_model_get_actions      (ExoToolbarsModel *model);
    gboolean            exo_toolbars_model_load_from_file   (ExoToolbarsModel *model,
                                                             const gchar *filename,
                                                             GError **error);
    gboolean            exo_toolbars_model_save_to_file     (ExoToolbarsModel *model,
                                                             const gchar *filename,
                                                             GError **error);
    ExoToolbarsModelFlags exo_toolbars_model_get_flags      (ExoToolbarsModel *model,
                                                             gint toolbar_position);
    void                exo_toolbars_model_set_flags        (ExoToolbarsModel *model,
                                                             ExoToolbarsModelFlags flags,
                                                             gint toolbar_position);
    GtkToolbarStyle     exo_toolbars_model_get_style        (ExoToolbarsModel *model,
                                                             gint toolbar_position);
    void                exo_toolbars_model_set_style        (ExoToolbarsModel *model,
                                                             GtkToolbarStyle style,
                                                             gint toolbar_position);
    void                exo_toolbars_model_unset_style      (ExoToolbarsModel *model,
                                                             gint toolbar_position);
    gchar*              exo_toolbars_model_get_item_type    (ExoToolbarsModel *model,
                                                             GdkAtom dnd_type);
    gchar*              exo_toolbars_model_get_item_id      (ExoToolbarsModel *model,
                                                             const gchar *type,
                                                             const gchar *name);
    gchar*              exo_toolbars_model_get_item_data    (ExoToolbarsModel *model,
                                                             const gchar *type,
                                                             const gchar *id);
    gboolean            exo_toolbars_model_add_item         (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position,
                                                             const gchar *id,
                                                             const gchar *type);
    void                exo_toolbars_model_add_separator    (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position);
    gint                exo_toolbars_model_add_toolbar      (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             const gchar *name);
    void                exo_toolbars_model_move_item        (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position,
                                                             gint new_toolbar_position,
                                                             gint new_item_position);
    void                exo_toolbars_model_remove_item      (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position);
    void                exo_toolbars_model_remove_toolbar   (ExoToolbarsModel *model,
                                                             gint toolbar_position);
    gint                exo_toolbars_model_n_items          (ExoToolbarsModel *model,
                                                             gint toolbar_position);
    void                exo_toolbars_model_item_nth         (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position,
                                                             gboolean *is_separator,
                                                             const gchar **id,
                                                             const gchar **type);
    gint                exo_toolbars_model_n_toolbars       (ExoToolbarsModel *model);
    const gchar*        exo_toolbars_model_toolbar_nth      (ExoToolbarsModel *model,
                                                             gint toolbar_position);

## Object Hierarchy

      GObject
       +----ExoToolbarsModel

## Signals

      "get-item-data"                                  : Run First
      "get-item-id"                                    : Run First
      "get-item-type"                                  : Run First
      "item-added"                                     : Run Last
      "item-removed"                                   : Run Last
      "toolbar-added"                                  : Run Last
      "toolbar-changed"                                : Run Last
      "toolbar-removed"                                : Run Last

## Description

The ExoToolbarsModel class includes the basic functionality to manage editable toolbars.

## Details

### ExoToolbarsModel

    typedef struct _ExoToolbarsModel ExoToolbarsModel;

The ExoToolbarsModel struct contains only private fields and should not be directly accessed.

### enum ExoToolbarsModelFlags

    typedef enum
    {
      EXO_TOOLBARS_MODEL_NOT_REMOVABLE      = 1 << 0,
      EXO_TOOLBARS_MODEL_ACCEPT_ITEMS_ONLY  = 1 << 1,
      EXO_TOOLBARS_MODEL_OVERRIDE_STYLE     = 1 << 2,
    } ExoToolbarsModelFlags;

### EXO_TOOLBARS_ITEM_TYPE

    #define EXO_TOOLBARS_ITEM_TYPE "application/x-exo-toolbars-item"

### exo_toolbars_model_new ()

    ExoToolbarsModel*   exo_toolbars_model_new              (void);

Creates a new ExoToolbarsModel with a reference count of one.

You need to call `exo_toolbars_model_set_actions()` first, after you created an ExoToolbarsModel to set the list of actions, that should be available from the toolbars.

Returns : | A newly created ExoToolbarsModel.

### exo_toolbars_model_set_actions ()

    void                exo_toolbars_model_set_actions      (ExoToolbarsModel *model,
                                                             gchar **actions,
                                                             guint n_actions);

Specifies the list of valid actions for `model`. `model` will only manage actions that are specified in this list. This function should be called right after you created `model`.

`model` : | An ExoToolbarsModel.
`actions` : | A string array with action names.
`n_actions` : | The number of strings in `actions`.

### exo_toolbars_model_get_actions ()

    gchar**             exo_toolbars_model_get_actions      (ExoToolbarsModel *model);

Returns the list of valid actions for `model`.

`model` : | An ExoToolbarsModel.
Returns : | The list of valid actions for `model`.

### exo_toolbars_model_load_from_file ()

    gboolean            exo_toolbars_model_load_from_file   (ExoToolbarsModel *model,
                                                             const gchar *filename,
                                                             GError **error);

Parses a file containing a toolbars UI definition and merges it with the current contents of `model`.

`model` : | An ExoToolbarsModel.
`filename` : | The name of the file to parse.
`error` : | Return location for an error or `NULL`.
Returns : | `TRUE` if the data was successfully loaded from the file specified by `filename`, else `FALSE`.

### exo_toolbars_model_save_to_file ()

    gboolean            exo_toolbars_model_save_to_file     (ExoToolbarsModel *model,
                                                             const gchar *filename,
                                                             GError **error);

Stores the UI definition of the contents of `model` to the file specified by `filename`.

`model` : | An ExoToolbarsModel.
`filename` : | The name of the file to save to.
`error` : | The return location for an error or `NULL`.
Returns : | `TRUE` if saving was successfully, else `FALSE` is returned.

### exo_toolbars_model_get_flags ()

    ExoToolbarsModelFlags exo_toolbars_model_get_flags      (ExoToolbarsModel *model,
                                                             gint toolbar_position);

Returns the ExoToolbarsModelFlags associated with the toolbar at `toolbar_position`.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.
Returns : | The ExoToolbarsModelFlags associated with `toolbar_position`.

### exo_toolbars_model_set_flags ()

    void                exo_toolbars_model_set_flags        (ExoToolbarsModel *model,
                                                             ExoToolbarsModelFlags flags,
                                                             gint toolbar_position);

Changes the ExoToolbarsModelFlags associated with the toolbar at `toolbar_position` to the value of `flags`.

`model` : | An ExoToolbarsModel.
`flags` : | The new flags for `toolbar_position`.
`toolbar_position` : | The index of a toolbar in `model`.

### exo_toolbars_model_get_style ()

    GtkToolbarStyle     exo_toolbars_model_get_style        (ExoToolbarsModel *model,
                                                             gint toolbar_position);

Returns the overridden GtkToolbarStyle for the toolbar at `toolbar_position`. Should only be used if `EXO_TOOLBARS_MODEL_OVERRIDE_STYLE` is set for the toolbar.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.
Returns : | The GtkToolbarStyle associated with `toolbar_position`.

### exo_toolbars_model_set_style ()

    void                exo_toolbars_model_set_style        (ExoToolbarsModel *model,
                                                             GtkToolbarStyle style,
                                                             gint toolbar_position);

Sets the style to use for a particular toolbar in `model`. You can undo the effect of this function by calling `exo_toolbars_model_unset_style()`.

`model` : | An ExoToolbarsModel.
`style` : | A GtkToolbarStyle.
`toolbar_position` : | The index of a toolbar in `model`.

### exo_toolbars_model_unset_style ()

    void                exo_toolbars_model_unset_style      (ExoToolbarsModel *model,
                                                             gint toolbar_position);

Undoes the effect of `exo_toolbars_model_unset_style()` and resets the style of the specified toolbar to the system default.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.

### exo_toolbars_model_get_item_type ()

    gchar*              exo_toolbars_model_get_item_type    (ExoToolbarsModel *model,
                                                             GdkAtom dnd_type);

Return value :

`model` : | An ExoToolbarsModel.
`dnd_type` : |
Returns : |

### exo_toolbars_model_get_item_id ()

    gchar*              exo_toolbars_model_get_item_id      (ExoToolbarsModel *model,
                                                             const gchar *type,
                                                             const gchar *name);

Return value :

`model` : | An ExoToolbarsModel.
`type` : |
`name` : |
Returns : |

### exo_toolbars_model_get_item_data ()

    gchar*              exo_toolbars_model_get_item_data    (ExoToolbarsModel *model,
                                                             const gchar *type,
                                                             const gchar *id);

Return value :

`model` : | An ExoToolbarsModel.
`type` : |
`id` : |
Returns : |

### exo_toolbars_model_add_item ()

    gboolean            exo_toolbars_model_add_item         (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position,
                                                             const gchar *id,
                                                             const gchar *type);

Adds a new toolbar item with the specified `type` and `id` to `model`, where `id` has to be a valid action name for `model`, that was previously set with `exo_toolbars_model_set_actions()`.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of toolbar in `model`.
`item_position` : | The position in the specified toolbar or -1.
`id` : | The identifier of the new item.
`type` : | The type of the new item.
Returns : | `TRUE` if the item was added successfully, else `FALSE`.

### exo_toolbars_model_add_separator ()

    void                exo_toolbars_model_add_separator    (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position);

Adds a new separator item to the specified toolbar in `model`. If you specify -1 for `item_position`, the separator will be appended to the toolbar, else it will be inserted at the specified `item_position`.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.
`item_position` : | The position in the specified toolbar or -1.

### exo_toolbars_model_add_toolbar ()

    gint                exo_toolbars_model_add_toolbar      (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             const gchar *name);

Adds a new toolbar to `model`. If you specify -1 for `toolbar_position`, the toolbar will be appended to `model`; else the toolbar will be inserted at the specified position. Emits the ::toolbar-added signal.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | Where to insert the new toolbar in `model` or -1 to append the toolbar.
`name` : | The name of the new toolbar.
Returns : | The real position of the new toolbar in `model`.

### exo_toolbars_model_move_item ()

    void                exo_toolbars_model_move_item        (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position,
                                                             gint new_toolbar_position,
                                                             gint new_item_position);

Moves an item to another position. The move operation is done by first removing the specified item and afterwards readding the item at the new position. Therefore, this functions emits the ::item-removed and ::item-added signals.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | Old toolbar index.
`item_position` : | Old item index.
`new_toolbar_position` : | New toolbar index.
`new_item_position` : | New item index.

### exo_toolbars_model_remove_item ()

    void                exo_toolbars_model_remove_item      (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position);

Removes the toolbar item at `item_position` from the toolbar `toolbar_position` in `model` and emits the ::item-removed signal.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | A toolbar index.
`item_position` : | The index of the item to remove.

### exo_toolbars_model_remove_toolbar ()

    void                exo_toolbars_model_remove_toolbar   (ExoToolbarsModel *model,
                                                             gint toolbar_position);

Removes the specified toolbar from `model` and emits the ::toolbar-removed signal.

`model` : | A ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.

### exo_toolbars_model_n_items ()

    gint                exo_toolbars_model_n_items          (ExoToolbarsModel *model,
                                                             gint toolbar_position);

Returns the number of items in the specified toolbar.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.
Returns : | The number of items in the specified toolbar.

### exo_toolbars_model_item_nth ()

    void                exo_toolbars_model_item_nth         (ExoToolbarsModel *model,
                                                             gint toolbar_position,
                                                             gint item_position,
                                                             gboolean *is_separator,
                                                             const gchar **id,
                                                             const gchar **type);

Queries the properites of the toolbar item at `item_position` in toolbar `toolbar_position`.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.
`item_position` : | The index of an item in the specified toolbar.
`is_separator` : | Return location for the separator setting or `NULL`.
`id` : | Return location for the item id or `NULL`.
`type` : | Return location for the item type or `NULL`.

### exo_toolbars_model_n_toolbars ()

    gint                exo_toolbars_model_n_toolbars       (ExoToolbarsModel *model);

Returns the number of toolbars currently managed by `model`.

`model` : | An ExoToolbarsModel.
Returns : | The number of toolbars in `model`.

### exo_toolbars_model_toolbar_nth ()

    const gchar*        exo_toolbars_model_toolbar_nth      (ExoToolbarsModel *model,
                                                             gint toolbar_position);

Returns the name of the toolbar at `toolbar_position` in `model`.

`model` : | An ExoToolbarsModel.
`toolbar_position` : | The index of a toolbar in `model`.
Returns : | The name of the toolbar at `toolbar_position` in `model`.

## Signal Details

### The `"get-item-data"` signal

    gchar*              user_function                      (ExoToolbarsModel *arg0,
                                                            gchar            *arg1,
                                                            gchar            *arg2,
                                                            gpointer          user_data)      : Run First

`user_data` : | user data set when the signal handler was connected.

### The `"get-item-id"` signal

    gchar*              user_function                      (ExoToolbarsModel *arg0,
                                                            gchar            *arg1,
                                                            gchar            *arg2,
                                                            gpointer          user_data)      : Run First

`user_data` : | user data set when the signal handler was connected.

### The `"get-item-type"` signal

    gchar*              user_function                      (ExoToolbarsModel *arg0,
                                                            gpointer          arg1,
                                                            gpointer          user_data)      : Run First

`user_data` : | user data set when the signal handler was connected.

### The `"item-added"` signal

    void                user_function                      (ExoToolbarsModel *model,
                                                            gint              toolbar_position,
                                                            gint              item_position,
                                                            gpointer          user_data)             : Run Last

This signal is emitted whenever a new item is added to a toolbar managed by `model`.

`model` : | The ExoToolbarsModel to which an item was added.
`toolbar_position` : | The index of the toolbar in `model` to which the item was added.
`item_position` : | The index of the new item in the specified toolbar.
`user_data` : | user data set when the signal handler was connected.

### The `"item-removed"` signal

    void                user_function                      (ExoToolbarsModel *model,
                                                            gint              toolbar_position,
                                                            gint              item_position,
                                                            gpointer          user_data)             : Run Last

This signal is emitted whenever an item is removed from a toolbar managed by `model`.

`model` : | The ExoToolbarsModel from which an item was removed.
`toolbar_position` : | The index of the toolbar in `model` from which the item was removed.
`item_position` : | The index of the item in the specified toolbar.
`user_data` : | user data set when the signal handler was connected.

### The `"toolbar-added"` signal

    void                user_function                      (ExoToolbarsModel *model,
                                                            gint              toolbar_position,
                                                            gpointer          user_data)             : Run Last

This signal is emitted whenever a new toolbar is added to `model`.

`model` : | The ExoToolbarsModel to which a new toolbar was added.
`toolbar_position` : | The index of the new toolbar in `model`.
`user_data` : | user data set when the signal handler was connected.

### The `"toolbar-changed"` signal

    void                user_function                      (ExoToolbarsModel *model,
                                                            gint              toolbar_position,
                                                            gpointer          user_data)             : Run Last

This signal is emitted whenever the flags or the style of a toolbar change, which is managed by `model`. All views connected to `model` should then update their internal state of the specified toolbar.

`model` : | The ExoToolbarsModel that manages the changed toolbar.
`toolbar_position` : | The index of the changed toolbar in `model`.
`user_data` : | user data set when the signal handler was connected.

### The `"toolbar-removed"` signal

    void                user_function                      (ExoToolbarsModel *model,
                                                            gint              toolbar_position,
                                                            gpointer          user_data)             : Run Last

This signal is emitted whenever a toolbar is removed from `model`.

`model` : | The ExoToolbarsModel
`toolbar_position` : | The index of the toolbar in `model` that was removed.
`user_data` : | user data set when the signal handler was connected.

## See Also

ExoToolbarsView, ExoToolbarsEditor, ExoToolbarsEditorDialog