2003-02-20 Michael Natterer <mitch@gimp.org>
Reimplemented the undo history:
* app/Makefile.am
* app/undo_history.[ch]: removed.
Changes/cleanups to the undo system to enable/simplify the new
undo history implementation:
* app/core/core-types.h: removed enum undo_event_t. Removed the
GimpImage parameter from GimpUndoPopFunc and GimpUndoFreeFunc
because GimpUndo has a GimpImage pointer now (see below).
* app/core/core-enums.[ch]: added enum GimpUndoEvent. Added an
enum value for REDO_EXPIRED.
* app/core/gimpimage.[ch]: added a GimpUndo pointer to the
"undo_event" signal which needs to be passed for all events except
UNDO_FREE.
* app/display/gimpdisplayshell-handlers.c: changed accordingly.
* app/core/gimpundo.[ch]: added a GimpImage pointer to the
GimpUndo struct. Removed GimpImage parameters all over the
place. Added preview stuff. The preview creation needs to be
triggered explicitly using gimp_undo_create_preview() because the
GimpUndo can't know when it's possible to create the preview.
* app/core/gimpimage-undo-push.c
* app/paint/gimppaintcore-undo.c
* app/tools/gimptransformtool-undo.c: changed accordingly, cleanup.
* app/core/gimpundostack.[ch]: ditto. Return the freed undo from
gimp_undo_stack_free_bottom(). Removed unused container signal
handlers.
* app/core/gimpimage-undo.c: free the redo stack the same way old
undos are freed (from bottom up). Emit "undo_event" with event ==
REDO_EXPIRED for each removed redo.
* app/core/gimpmarshal.list: added new marshallers.
New undo history implementation:
* app/widgets/Makefile.am
* app/widgets/widgets-types.h
* app/widgets/gimpundoeditor.[ch]
* app/widgets/gimpundopreview.[ch]: new widgets for the undo
step previews and the history itself.
* app/widgets/gimppreview-utils.c: added GimpUndoPreview to the
list of possible preview types.
* app/gui/dialogs-constructors.[ch]
* app/gui/dialogs-menu.c
* app/gui/dialogs.c
* app/gui/image-menu.c
* app/gui/toolbox-menu.c: removed the old and added the new undo
history to the dialog factory and the various dialog menus.
* app/widgets/gimpdnd.[ch]: don't warn if a GType has no
corresponding DND type. Instead, return FALSE from the function
that failed.
* app/widgets/gimppreview.c: check the return value of gimpdnd
functions. Not only add drag sources but also remove them when no
longer needed.
* app/widgets/gimpselectioneditor.h: removed unneeded inclusion of
"gui/gui-types.h".
c8b4394d71