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Gimp/app/actions/edit-commands.c
Jehan 143496af22 app, menus, pdb: new "Paste as Single Layer( in Place)?" actions. 
When the clipboard contains raw image data or single layers, it's the same as
the normal "Paste" (and "Paste In Place" respectively). These actions are useful
if you want to copy a bunch of layers and paste them "merged" into a single
layers (since now the copy-paste of multiple layers will create multiple
layers).
It is somehow similar to the "Copy Visible" action except that it works on
selected layers only and work at paste time, making the action more versatile.
2022-11-12 22:34:51 +01:00

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimp-edit.h"
#include "core/gimpbuffer.h"
#include "core/gimpcontainer.h"
#include "core/gimpdrawable.h"
#include "core/gimpdrawable-edit.h"
#include "core/gimpfilloptions.h"
#include "core/gimplayer.h"
#include "core/gimplayer-new.h"
#include "core/gimplayermask.h"
#include "core/gimpimage.h"
#include "core/gimpimage-undo.h"
#include "vectors/gimpvectors-import.h"
#include "widgets/gimpclipboard.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpdialogfactory.h"
#include "widgets/gimpmessagebox.h"
#include "widgets/gimpmessagedialog.h"
#include "widgets/gimpwidgets-utils.h"
#include "widgets/gimpwindowstrategy.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "display/gimpdisplayshell-transform.h"
#include "tools/gimptools-utils.h"
#include "tools/tool_manager.h"
#include "actions.h"
#include "edit-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static gboolean check_drawable_alpha (GimpDrawable *drawable,
gpointer data);
static void edit_paste (GimpDisplay *display,
GimpPasteType paste_type,
gboolean merged,
gboolean try_svg);
static void cut_named_buffer_callback (GtkWidget *widget,
const gchar *name,
gpointer data);
static void copy_named_buffer_callback (GtkWidget *widget,
const gchar *name,
gpointer data);
static void copy_named_visible_buffer_callback (GtkWidget *widget,
const gchar *name,
gpointer data);
/* public functions */
void
edit_undo_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GimpDisplay *display;
return_if_no_image (image, data);
return_if_no_display (display, data);
if (tool_manager_undo_active (image->gimp, display) ||
gimp_image_undo (image))
{
gimp_image_flush (image);
}
}
void
edit_redo_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GimpDisplay *display;
return_if_no_image (image, data);
return_if_no_display (display, data);
if (tool_manager_redo_active (image->gimp, display) ||
gimp_image_redo (image))
{
gimp_image_flush (image);
}
}
void
edit_strong_undo_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
return_if_no_image (image, data);
if (gimp_image_strong_undo (image))
gimp_image_flush (image);
}
void
edit_strong_redo_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
return_if_no_image (image, data);
if (gimp_image_strong_redo (image))
gimp_image_flush (image);
}
void
edit_undo_clear_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GimpUndoStack *undo_stack;
GimpUndoStack *redo_stack;
GtkWidget *widget;
GtkWidget *dialog;
gchar *size;
gint64 memsize;
gint64 guisize;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
dialog = gimp_message_dialog_new (_("Clear Undo History"),
GIMP_ICON_DIALOG_WARNING,
widget,
GTK_DIALOG_MODAL |
GTK_DIALOG_DESTROY_WITH_PARENT,
gimp_standard_help_func,
GIMP_HELP_EDIT_UNDO_CLEAR,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("Cl_ear"), GTK_RESPONSE_OK,
NULL);
gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect_object (gtk_widget_get_toplevel (widget), "unmap",
G_CALLBACK (gtk_widget_destroy),
dialog, G_CONNECT_SWAPPED);
g_signal_connect_object (image, "disconnect",
G_CALLBACK (gtk_widget_destroy),
dialog, G_CONNECT_SWAPPED);
gimp_message_box_set_primary_text (GIMP_MESSAGE_DIALOG (dialog)->box,
_("Really clear image's undo history?"));
undo_stack = gimp_image_get_undo_stack (image);
redo_stack = gimp_image_get_redo_stack (image);
memsize = gimp_object_get_memsize (GIMP_OBJECT (undo_stack), &guisize);
memsize += guisize;
memsize += gimp_object_get_memsize (GIMP_OBJECT (redo_stack), &guisize);
memsize += guisize;
size = g_format_size (memsize);
gimp_message_box_set_text (GIMP_MESSAGE_DIALOG (dialog)->box,
_("Clearing the undo history of this "
"image will gain %s of memory."), size);
g_free (size);
if (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK)
{
gimp_image_undo_disable (image);
gimp_image_undo_enable (image);
gimp_image_flush (image);
}
gtk_widget_destroy (dialog);
}
void
edit_cut_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *drawables;
GList *iter;
GimpObject *cut;
GError *error = NULL;
return_if_no_drawables (image, drawables, data);
for (iter = drawables; iter; iter = iter->next)
if (! check_drawable_alpha (iter->data, data))
{
g_list_free (drawables);
return;
}
cut = gimp_edit_cut (image, drawables, action_data_get_context (data), &error);
if (cut)
{
GimpDisplay *display = action_data_get_display (data);
if (display)
{
gchar *msg;
if (GIMP_IS_IMAGE (cut))
msg = g_strdup_printf (ngettext ("Cut layer to the clipboard.",
"Cut %d layers to the clipboard.",
g_list_length (drawables)),
g_list_length (drawables));
else
msg = g_strdup (_("Cut pixels to the clipboard."));
gimp_message_literal (image->gimp,
G_OBJECT (display), GIMP_MESSAGE_INFO,
msg);
g_free (msg);
}
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp,
G_OBJECT (action_data_get_display (data)),
GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
g_list_free (drawables);
}
void
edit_copy_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *drawables;
GimpObject *copy;
GError *error = NULL;
return_if_no_drawables (image, drawables, data);
copy = gimp_edit_copy (image, drawables, action_data_get_context (data),
&error);
if (copy)
{
GimpDisplay *display = action_data_get_display (data);
if (display)
gimp_message_literal (image->gimp,
G_OBJECT (display), GIMP_MESSAGE_INFO,
GIMP_IS_IMAGE (copy) ?
_("Copied layer to the clipboard.") :
_("Copied pixels to the clipboard."));
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp,
G_OBJECT (action_data_get_display (data)),
GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
g_list_free (drawables);
}
void
edit_copy_visible_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GError *error = NULL;
return_if_no_image (image, data);
if (gimp_edit_copy_visible (image, action_data_get_context (data), &error))
{
GimpDisplay *display = action_data_get_display (data);
if (display)
gimp_message_literal (image->gimp,
G_OBJECT (display), GIMP_MESSAGE_INFO,
_("Copied pixels to the clipboard."));
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp,
G_OBJECT (action_data_get_display (data)),
GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
}
void
edit_paste_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GimpDisplay *display = action_data_get_display (data);
GimpPasteType paste_type = (GimpPasteType) g_variant_get_int32 (value);
GimpPasteType converted_type;
GList *drawables;
gboolean merged = FALSE;
return_if_no_image (image, data);
if (paste_type == GIMP_PASTE_TYPE_FLOATING)
{
if (! display || ! gimp_display_get_image (display))
{
edit_paste_as_new_image_cmd_callback (action, value, data);
return;
}
}
if (! display)
return;
switch (paste_type)
{
case GIMP_PASTE_TYPE_FLOATING:
case GIMP_PASTE_TYPE_FLOATING_IN_PLACE:
case GIMP_PASTE_TYPE_FLOATING_INTO:
case GIMP_PASTE_TYPE_FLOATING_INTO_IN_PLACE:
edit_paste (display, paste_type, merged, TRUE);
break;
case GIMP_PASTE_TYPE_NEW_LAYER:
case GIMP_PASTE_TYPE_NEW_LAYER_IN_PLACE:
edit_paste (display, paste_type, merged, FALSE);
break;
case GIMP_PASTE_TYPE_NEW_MERGED_LAYER_OR_FLOATING:
case GIMP_PASTE_TYPE_NEW_MERGED_LAYER_OR_FLOATING_IN_PLACE:
merged = TRUE;
case GIMP_PASTE_TYPE_NEW_LAYER_OR_FLOATING:
case GIMP_PASTE_TYPE_NEW_LAYER_OR_FLOATING_IN_PLACE:
drawables = gimp_image_get_selected_drawables (image);
if (drawables &&
(g_list_length (drawables) == 1) &&
GIMP_IS_LAYER_MASK (drawables->data))
{
converted_type = (paste_type == GIMP_PASTE_TYPE_NEW_LAYER_OR_FLOATING ||
paste_type == GIMP_PASTE_TYPE_NEW_MERGED_LAYER_OR_FLOATING) ?
GIMP_PASTE_TYPE_FLOATING :
GIMP_PASTE_TYPE_FLOATING_IN_PLACE;
edit_paste (display, converted_type, merged, TRUE);
}
else
{
converted_type = (paste_type == GIMP_PASTE_TYPE_NEW_LAYER_OR_FLOATING ||
paste_type == GIMP_PASTE_TYPE_NEW_MERGED_LAYER_OR_FLOATING) ?
GIMP_PASTE_TYPE_NEW_LAYER :
GIMP_PASTE_TYPE_NEW_LAYER_IN_PLACE;
edit_paste (display, converted_type, merged, FALSE);
}
g_list_free (drawables);
break;
}
}
void
edit_paste_as_new_image_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
Gimp *gimp;
GtkWidget *widget;
GimpObject *paste;
GimpImage *image = NULL;
return_if_no_gimp (gimp, data);
return_if_no_widget (widget, data);
paste = gimp_clipboard_get_object (gimp);
if (paste)
{
image = gimp_edit_paste_as_new_image (gimp, paste);
g_object_unref (paste);
}
if (image)
{
gimp_create_display (gimp, image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gimp_widget_get_monitor (widget)));
g_object_unref (image);
}
else
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_WARNING,
_("There is no image data in the clipboard "
"to paste."));
}
}
void
edit_named_cut_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
dialog = gimp_query_string_box (_("Cut Named"), widget,
gimp_standard_help_func,
GIMP_HELP_BUFFER_CUT,
_("Enter a name for this buffer"),
NULL,
G_OBJECT (image), "disconnect",
cut_named_buffer_callback,
image, NULL);
gtk_widget_show (dialog);
}
void
edit_named_copy_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
dialog = gimp_query_string_box (_("Copy Named"), widget,
gimp_standard_help_func,
GIMP_HELP_BUFFER_COPY,
_("Enter a name for this buffer"),
NULL,
G_OBJECT (image), "disconnect",
copy_named_buffer_callback,
image, NULL);
gtk_widget_show (dialog);
}
void
edit_named_copy_visible_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GtkWidget *widget;
GtkWidget *dialog;
return_if_no_image (image, data);
return_if_no_widget (widget, data);
dialog = gimp_query_string_box (_("Copy Visible Named"), widget,
gimp_standard_help_func,
GIMP_HELP_BUFFER_COPY,
_("Enter a name for this buffer"),
NULL,
G_OBJECT (image), "disconnect",
copy_named_visible_buffer_callback,
image, NULL);
gtk_widget_show (dialog);
}
void
edit_named_paste_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
Gimp *gimp;
GtkWidget *widget;
return_if_no_gimp (gimp, data);
return_if_no_widget (widget, data);
gimp_window_strategy_show_dockable_dialog (GIMP_WINDOW_STRATEGY (gimp_get_window_strategy (gimp)),
gimp,
gimp_dialog_factory_get_singleton (),
gimp_widget_get_monitor (widget),
"gimp-buffer-list|gimp-buffer-grid");
}
void
edit_clear_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *drawables;
GList *iter;
return_if_no_drawables (image, drawables, data);
for (iter = drawables; iter; iter = iter->next)
/* Return if any has a locked alpha. */
if (! check_drawable_alpha (iter->data, data))
{
g_list_free (drawables);
return;
}
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_PAINT,
_("Clear"));
for (iter = drawables; iter; iter = iter->next)
if (! gimp_viewable_get_children (GIMP_VIEWABLE (iter->data)) &&
! gimp_item_is_content_locked (GIMP_ITEM (iter->data), NULL))
gimp_drawable_edit_clear (iter->data, action_data_get_context (data));
gimp_image_undo_group_end (image);
gimp_image_flush (image);
g_list_free (drawables);
}
void
edit_fill_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpImage *image;
GList *drawables;
GList *iter;
GimpFillType fill_type;
GimpFillOptions *options;
GError *error = NULL;
return_if_no_drawables (image, drawables, data);
fill_type = (GimpFillType) g_variant_get_int32 (value);
options = gimp_fill_options_new (action_data_get_gimp (data), NULL, FALSE);
if (gimp_fill_options_set_by_fill_type (options,
action_data_get_context (data),
fill_type, &error))
{
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_PAINT,
gimp_fill_options_get_undo_desc (options));
for (iter = drawables; iter; iter = iter->next)
gimp_drawable_edit_fill (iter->data, options, NULL);
gimp_image_undo_group_end (image);
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
g_list_free (drawables);
g_object_unref (options);
}
/* private functions */
static gboolean
check_drawable_alpha (GimpDrawable *drawable,
gpointer data)
{
GimpLayer *locked_layer = NULL;
if (gimp_drawable_has_alpha (drawable) &&
GIMP_IS_LAYER (drawable) &&
gimp_layer_is_alpha_locked (GIMP_LAYER (drawable), &locked_layer))
{
Gimp *gimp = action_data_get_gimp (data);
GimpDisplay *display = action_data_get_display (data);
if (gimp && display)
{
gimp_message_literal (
gimp, G_OBJECT (display), GIMP_MESSAGE_WARNING,
_("A selected layer's alpha channel is locked."));
gimp_tools_blink_lock_box (gimp, GIMP_ITEM (locked_layer));
}
return FALSE;
}
return TRUE;
}
static void
edit_paste (GimpDisplay *display,
GimpPasteType paste_type,
gboolean merged,
gboolean try_svg)
{
GimpImage *image = gimp_display_get_image (display);
GimpObject *paste;
g_return_if_fail (paste_type != GIMP_PASTE_TYPE_NEW_LAYER_OR_FLOATING &&
paste_type != GIMP_PASTE_TYPE_NEW_LAYER_OR_FLOATING_IN_PLACE &&
paste_type != GIMP_PASTE_TYPE_NEW_MERGED_LAYER_OR_FLOATING &&
paste_type != GIMP_PASTE_TYPE_NEW_MERGED_LAYER_OR_FLOATING_IN_PLACE);
if (try_svg)
{
gchar *svg;
gsize svg_size;
svg = gimp_clipboard_get_svg (display->gimp, &svg_size);
if (svg)
{
if (gimp_vectors_import_buffer (image, svg, svg_size,
TRUE, FALSE,
GIMP_IMAGE_ACTIVE_PARENT, -1,
NULL, NULL))
{
gimp_image_flush (image);
}
g_free (svg);
return;
}
}
paste = gimp_clipboard_get_object (display->gimp);
if (paste)
{
GimpDisplayShell *shell = gimp_display_get_shell (display);
GList *drawables = gimp_image_get_selected_drawables (image);
GList *pasted_layers;
gint x, y;
gint width, height;
if (g_list_length (drawables) != 1 ||
(paste_type != GIMP_PASTE_TYPE_NEW_LAYER &&
paste_type != GIMP_PASTE_TYPE_NEW_LAYER_IN_PLACE))
{
if (g_list_length (drawables) != 1)
{
gimp_message_literal (display->gimp, G_OBJECT (display),
GIMP_MESSAGE_INFO,
_("Pasted as new layer because the "
"target is not a single layer or layer mask."));
}
else if (gimp_viewable_get_children (GIMP_VIEWABLE (drawables->data)))
{
gimp_message_literal (display->gimp, G_OBJECT (display),
GIMP_MESSAGE_INFO,
_("Pasted as new layer because the "
"target is a layer group."));
}
else if (gimp_item_is_content_locked (GIMP_ITEM (drawables->data), NULL))
{
gimp_message_literal (display->gimp, G_OBJECT (display),
GIMP_MESSAGE_INFO,
_("Pasted as new layer because the "
"target's pixels are locked."));
}
/* the actual paste-type conversion happens in gimp_edit_paste() */
}
gimp_display_shell_untransform_viewport (
shell,
! gimp_display_shell_get_infinite_canvas (shell),
&x, &y, &width, &height);
if ((pasted_layers = gimp_edit_paste (image, drawables, paste, paste_type,
gimp_get_user_context (display->gimp),
merged, x, y, width, height)))
{
gimp_image_set_selected_layers (image, pasted_layers);
g_list_free (pasted_layers);
gimp_image_flush (image);
}
g_list_free (drawables);
g_object_unref (paste);
}
else
{
gimp_message_literal (display->gimp, G_OBJECT (display),
GIMP_MESSAGE_WARNING,
_("There is no image data in the clipboard "
"to paste."));
}
}
static void
cut_named_buffer_callback (GtkWidget *widget,
const gchar *name,
gpointer data)
{
GimpImage *image = GIMP_IMAGE (data);
GList *drawables = gimp_image_get_selected_drawables (image);
GError *error = NULL;
if (! drawables)
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
_("There are no selected layers or channels to cut from."));
return;
}
if (! (name && strlen (name)))
name = _("(Unnamed Buffer)");
if (gimp_edit_named_cut (image, name, drawables,
gimp_get_user_context (image->gimp), &error))
{
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
g_list_free (drawables);
}
static void
copy_named_buffer_callback (GtkWidget *widget,
const gchar *name,
gpointer data)
{
GimpImage *image = GIMP_IMAGE (data);
GList *drawables = gimp_image_get_selected_drawables (image);
GError *error = NULL;
if (! drawables)
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
_("There are no selected layers or channels to copy from."));
return;
}
if (! (name && strlen (name)))
name = _("(Unnamed Buffer)");
if (gimp_edit_named_copy (image, name, drawables,
gimp_get_user_context (image->gimp), &error))
{
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
g_list_free (drawables);
}
static void
copy_named_visible_buffer_callback (GtkWidget *widget,
const gchar *name,
gpointer data)
{
GimpImage *image = GIMP_IMAGE (data);
GError *error = NULL;
if (! (name && strlen (name)))
name = _("(Unnamed Buffer)");
if (gimp_edit_named_copy_visible (image, name,
gimp_get_user_context (image->gimp),
&error))
{
gimp_image_flush (image);
}
else
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
}
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