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c8b4394d71
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".
175 lines
6.4 KiB
C
175 lines
6.4 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_DND_H__
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#define __GIMP_DND_H__
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typedef enum
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{
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GIMP_DND_TYPE_NONE = 0,
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GIMP_DND_TYPE_URI_LIST = 1,
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GIMP_DND_TYPE_TEXT_PLAIN = 2,
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GIMP_DND_TYPE_NETSCAPE_URL = 3,
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GIMP_DND_TYPE_COLOR = 4,
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GIMP_DND_TYPE_IMAGE = 5,
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GIMP_DND_TYPE_LAYER = 6,
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GIMP_DND_TYPE_CHANNEL = 7,
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GIMP_DND_TYPE_LAYER_MASK = 8,
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GIMP_DND_TYPE_COMPONENT = 9,
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GIMP_DND_TYPE_VECTORS = 10,
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GIMP_DND_TYPE_BRUSH = 11,
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GIMP_DND_TYPE_PATTERN = 12,
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GIMP_DND_TYPE_GRADIENT = 13,
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GIMP_DND_TYPE_PALETTE = 14,
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GIMP_DND_TYPE_BUFFER = 15,
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GIMP_DND_TYPE_IMAGEFILE = 16,
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GIMP_DND_TYPE_TOOL = 17,
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GIMP_DND_TYPE_DIALOG = 18,
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GIMP_DND_TYPE_LAST = GIMP_DND_TYPE_DIALOG
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} GimpDndType;
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#define GIMP_TARGET_URI_LIST \
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{ "text/uri-list", 0, GIMP_DND_TYPE_URI_LIST }
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#define GIMP_TARGET_TEXT_PLAIN \
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{ "text/plain", 0, GIMP_DND_TYPE_TEXT_PLAIN }
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#define GIMP_TARGET_NETSCAPE_URL \
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{ "_NETSCAPE_URL", 0, GIMP_DND_TYPE_NETSCAPE_URL }
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#define GIMP_TARGET_IMAGE \
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{ "GIMP_IMAGE", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_IMAGE }
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#define GIMP_TARGET_LAYER \
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{ "GIMP_LAYER", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_LAYER }
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#define GIMP_TARGET_CHANNEL \
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{ "GIMP_CHANNEL", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_CHANNEL }
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#define GIMP_TARGET_LAYER_MASK \
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{ "GIMP_LAYER_MASK", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_LAYER_MASK }
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#define GIMP_TARGET_COMPONENT \
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{ "GIMP_COMPONENT", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_COMPONENT }
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#define GIMP_TARGET_VECTORS \
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{ "GIMP_VECTORS", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_VECTORS }
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#define GIMP_TARGET_COLOR \
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{ "application/x-color", 0, GIMP_DND_TYPE_COLOR }
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#define GIMP_TARGET_BRUSH \
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{ "GIMP_BRUSH", 0, GIMP_DND_TYPE_BRUSH }
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#define GIMP_TARGET_PATTERN \
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{ "GIMP_PATTERN", 0, GIMP_DND_TYPE_PATTERN }
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#define GIMP_TARGET_GRADIENT \
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{ "GIMP_GRADIENT", 0, GIMP_DND_TYPE_GRADIENT }
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#define GIMP_TARGET_PALETTE \
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{ "GIMP_PALETTE", 0, GIMP_DND_TYPE_PALETTE }
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#define GIMP_TARGET_BUFFER \
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{ "GIMP_BUFFER", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_BUFFER }
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#define GIMP_TARGET_IMAGEFILE \
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{ "GIMP_IMAGEFILE", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_IMAGEFILE }
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#define GIMP_TARGET_TOOL \
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{ "GIMP_TOOL", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_TOOL }
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#define GIMP_TARGET_DIALOG \
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{ "GIMP_DIALOG", GTK_TARGET_SAME_APP, GIMP_DND_TYPE_DIALOG }
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/* file / url dnd functions */
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typedef void (* GimpDndDropFileFunc) (GtkWidget *widget,
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GList *files,
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gpointer data);
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void gimp_dnd_file_dest_add (GtkWidget *widget,
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GimpDndDropFileFunc set_file_func,
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gpointer data);
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void gimp_dnd_file_dest_remove (GtkWidget *widget);
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/* standard callback */
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void gimp_dnd_open_files (GtkWidget *widget,
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GList *files,
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gpointer data);
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/* color dnd functions */
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typedef void (* GimpDndDropColorFunc) (GtkWidget *widget,
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const GimpRGB *color,
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gpointer data);
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typedef void (* GimpDndDragColorFunc) (GtkWidget *widget,
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GimpRGB *color,
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gpointer data);
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void gimp_dnd_color_source_set (GtkWidget *widget,
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GimpDndDragColorFunc get_color_func,
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gpointer data);
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void gimp_dnd_color_dest_add (GtkWidget *widget,
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GimpDndDropColorFunc set_color_func,
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gpointer data);
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void gimp_dnd_color_dest_remove (GtkWidget *widget);
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/* GimpViewable (by GType) dnd functions */
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typedef void (* GimpDndDropViewableFunc) (GtkWidget *widget,
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GimpViewable *viewable,
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gpointer data);
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typedef GimpViewable * (* GimpDndDragViewableFunc) (GtkWidget *widget,
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gpointer data);
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gboolean gimp_dnd_drag_source_set_by_type (GtkWidget *widget,
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GdkModifierType start_button_mask,
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GType type,
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GdkDragAction actions);
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gboolean gimp_dnd_viewable_source_set (GtkWidget *widget,
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GType type,
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GimpDndDragViewableFunc get_viewable_func,
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gpointer data);
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gboolean gimp_dnd_viewable_source_unset (GtkWidget *widget,
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GType type);
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gboolean gimp_dnd_drag_dest_set_by_type (GtkWidget *widget,
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GtkDestDefaults flags,
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GType type,
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GdkDragAction actions);
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gboolean gimp_dnd_viewable_dest_add (GtkWidget *widget,
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GType type,
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GimpDndDropViewableFunc set_viewable_func,
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gpointer data);
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gboolean gimp_dnd_viewable_dest_remove (GtkWidget *widget,
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GType type);
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GimpViewable * gimp_dnd_get_drag_data (GtkWidget *widget);
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#endif /* __GIMP_DND_H__ */
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