2000-04-18  Gene Z. Ragan <gzr@eazel.com>
	Added functionality to allow files to be renamed in icov view.  This feature is
	available by either context click on the icon or selecting a single file and 			choosing "Rename" form the File menu.

	* libnautilus-extensions/nautilus-icon-text-item.c
	* libnautilus-extensions/nautilus-icon-text-item.h: New files.
	This is an editable icon text item used in the renaming feature.
	It is based on GnomeIconTextItem but modified to fix bugs in the
	original code and add extended functionality need by nautilus.  If
	thse changes were rolled into the current GnomeIconTextItem, it would
	break gmc.

	* libnautilus-extensions/Makefile.am
	Modified file so that the two new files listed above would properly
	be included in generated makefiles.

	* libnautilus-extensions/nautilus-icon-canvas-item.c
	Split text class variable into two variables, editable_text and
	additonal_text.  editable_text refers to attributes that the user can change
	via rename in place.  additional_text is any other text that the user cannot
	edit via the rename in place feature.  Added a boolean flag, is_renaming, to
	check against during various operations that effect the renaming feature.
	Removed ARG_TEXT argument ID and replaced with ARG_EDITABLE_TEXT and
	ARG_ADDITIONAL_TEXT.
	(nautilus_icon_canvas_item_initialize_class):  Function now check for both
	ARG_EDITABLE_TEXT and ARG_ADDITIONAL_TEXT.  Removed check for ARG_TEXT.
	(nautilus_icon_canvas_item_destroy):  Both editable_text and
	additonal_text are freed.
	(nautilus_icon_canvas_item_set_arg):  Removed ARG_TEXT and added
	handling of ARG_EDITABLE_TEXT and ARG_ADDITIONAL_TEXT.
	(nautilus_icon_canvas_item_get_arg): Removed ARG_TEXT and added
	handling of ARG_EDITABLE_TEXT and ARG_ADDITIONAL_TEXT.
	(draw_or_measure_label_text):  Modified function to not draw the label
	icon text if we are renaming in place.
	(draw_or_measure_label_text):  Function now combines editable and additional
	text when performing the measuring operation.
	(compute_editable_text_rectangle):  Added function to compute bounds of
	editable text.  This is used to determine size and placement of editable
	text item when in renaming mode.
	(nautilus_icon_canvas_get_text_bounds):  Public API to get bounds of
	icon label text.
	(nautilus_icon_canvas_get_editable_text_bounds): Public API to get bounds of
	editable icon label text.
	(hit_test_pixbuf): Added check against is_renaming flag.
	(nautilus_icon_canvas_get_editable_text):  Public API to get editable text string.
	(nautilus_icon_canvas_item_set_renaming):  Public API to toggle is_renaming flag.

	* libnautilus-extensions/nautilus-icon-canvas-item.h
	Added public API prototypes to functions described above.

	* libnautilus-extensions/nautilus-icon-container.c
	Added GET_ICON_EDITABLE_TEXT and GET_ICON_ADDITONAL_TEXT signals.
	Removed GET_ICON_TEXT signal.  Added ICON_TEXT_CHANGED signal.
	(icon_toggle_selected):  Renaming mode is now exited when a selection/deselection occurs.
	(key_press_event):  GDK_Return ends rename mode and attempts to accept modification.  GDK_Escpae
	ends rename mode and reverts modification to original.
	(nautilus_icon_container_initialize_class):  icon_text_changed, get_icon_editable_text and
	get_icon_additional_text signals are registered.
	(editing_started): New function.  Called when an edit begins.  Inits class member variables
	for edit mode.
	(editing_stopped): New function.  Called when edit ends.  Cleans up edit mode.
	(nautilus_icon_container_initialize): rename_widget and original_text private variables
	are set to NULL.
	(icon_toggle_selected):  Added call to end_renaming_mode.
	(nautilus_icon_container_update_icon):  Added emitting of GET_ICON_EDITABLE_TEXT and
	GET_ICON_ADDITIONAL_TEXT signals.  Updated gnome_canvas_item_set to use new arguments defined
	in nautilus-icon-text-item.
	(nautilus_icon_container_show_rename_widget):  New function.  Creates and displays renaming_widget.
	Creates cached copy of original editable text for later compare, connects signals and enters
	renaming mode.
	(end_renaming_mode): New function.  Cleans up and end renaiming mode.
	(hide_rename_widget):  Called by end_renaming_mode to hide and free renaming_widget.

	* libnautilus-extensions/nautilus-icon-container.h
	Added prototypes for public functions described above.

	* libnautilus-extensions/nautilus-icon-private.h
	Added boolean for renaming.  Added a NautilusIconTextItem variable for the renaiming widget.

	* src/file-manager/fm-icon-view.c
	Added defines MENU_PATH_RENAME. Added a char * to hold original editable text for a later compare.
	Removed get_icon_text_callback and added get_icon_editable_text_callback and
	get_icon_additonal_text_callback.  These return the editable and additonal text of the icon view.
	(rename_icon_callback):  Added callback that attempts to rename the NautilusFile the icon view
	represents.  Action in not taken if there has been no change to the editable text.  If the operation
	fails, the user is notified.
	(fm_icon_view_append_selection_context_menu_items):  Added Rename menu item.
	(append_bonobo_menu_item):  Added Rename menu item and callback.
	(update_bonobo_menu_item):  Added senesitivity check for the Rename item.  It is
	enabled only if a single item is selected.
	(fm_icon_view_icon_text_changed_callback):  Added function to attempt to change the filename
	to the new text.  Notify user if operation fails.
	(get_icon_editable_text_callback): This callback returns the text items that areeditable by
	the user using the "Rename" command.  In the case of FMIconView, this
	would be the attribute with the name "name".
	(get_icon_additional_text_callback): This callback returns the text items that are not
	editable by the user using the "Rename" command.