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gimp/app/actions/plug-in-commands.c

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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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimp-utils.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "core/gimpparamspecs.h"
#include "core/gimpprogress.h"
#include "plug-in/gimppluginmanager.h"
#include "plug-in/gimppluginmanager-data.h"
#include "plug-in/gimppluginmanager-history.h"
#include "pdb/gimpprocedure.h"
#include "widgets/gimpbufferview.h"
#include "widgets/gimpcontainerview.h"
#include "widgets/gimpdatafactoryview.h"
#include "widgets/gimpfontview.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpimageeditor.h"
#include "widgets/gimpitemtreeview.h"
#include "widgets/gimpmessagebox.h"
#include "widgets/gimpmessagedialog.h"
#include "display/gimpdisplay.h"
#include "actions.h"
#include "plug-in-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static void plug_in_procedure_execute (GimpPlugInProcedure *procedure,
Gimp *gimp,
GimpDisplay *display,
GValueArray *args,
gint n_args);
static gint plug_in_collect_data_args (GtkAction *action,
GimpObject *object,
GParamSpec **pspecs,
GValueArray *args,
gint n_args);
static gint plug_in_collect_image_args (GtkAction *action,
GimpImage *image,
GParamSpec **pspecs,
GValueArray *args,
gint n_args);
static gint plug_in_collect_item_args (GtkAction *action,
GimpImage *image,
GimpItem *item,
GParamSpec **pspecs,
GValueArray *args,
gint n_args);
static gint plug_in_collect_display_args (GtkAction *action,
GimpDisplay *display,
GParamSpec **pspecs,
GValueArray *args,
gint n_args);
static void plug_in_reset_all_response (GtkWidget *dialog,
gint response_id,
Gimp *gimp);
/* public functions */
void
plug_in_run_cmd_callback (GtkAction *action,
GimpPlugInProcedure *proc,
gpointer data)
{
GimpProcedure *procedure = GIMP_PROCEDURE (proc);
Gimp *gimp;
GValueArray *args;
gint n_args = 0;
GimpDisplay *display = NULL;
return_if_no_gimp (gimp, data);
args = gimp_procedure_get_arguments (procedure);
/* initialize the first argument */
g_value_set_int (&args->values[n_args], GIMP_RUN_INTERACTIVE);
n_args++;
switch (procedure->proc_type)
{
case GIMP_EXTENSION:
break;
case GIMP_PLUGIN:
case GIMP_TEMPORARY:
if (GIMP_IS_DATA_FACTORY_VIEW (data) ||
GIMP_IS_FONT_VIEW (data) ||
GIMP_IS_BUFFER_VIEW (data))
{
GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (data);
GimpContainer *container;
GimpContext *context;
GimpObject *object;
container = gimp_container_view_get_container (editor->view);
context = gimp_container_view_get_context (editor->view);
object = gimp_context_get_by_type (context,
container->children_type);
n_args = plug_in_collect_data_args (action, object,
procedure->args,
args, n_args);
}
else if (GIMP_IS_IMAGE_EDITOR (data))
{
GimpImageEditor *editor = GIMP_IMAGE_EDITOR (data);
GimpImage *image;
image = gimp_image_editor_get_image (editor);
n_args = plug_in_collect_image_args (action, image,
procedure->args,
args, n_args);
}
else if (GIMP_IS_ITEM_TREE_VIEW (data))
{
GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (data);
GimpImage *image;
GimpItem *item;
image = gimp_item_tree_view_get_image (view);
if (image)
item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (image);
else
item = NULL;
n_args = plug_in_collect_item_args (action, image, item,
procedure->args,
args, n_args);
}
else
{
display = action_data_get_display (data);
n_args = plug_in_collect_display_args (action,
display,
procedure->args,
args, n_args);
}
break;
case GIMP_INTERNAL:
g_warning ("Unhandled procedure type.");
n_args = -1;
break;
}
if (n_args >= 1)
plug_in_procedure_execute (proc, gimp, display, args, n_args);
g_value_array_free (args);
}
void
plug_in_repeat_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpPlugInProcedure *procedure;
Gimp *gimp;
GimpDisplay *display;
GimpRunMode run_mode;
return_if_no_gimp (gimp, data);
return_if_no_display (display, data);
run_mode = (GimpRunMode) value;
procedure = gimp_plug_in_manager_history_nth (gimp->plug_in_manager, 0);
if (procedure)
{
GValueArray *args;
gint n_args;
args = gimp_procedure_get_arguments (GIMP_PROCEDURE (procedure));
g_value_set_int (&args->values[0], run_mode);
n_args = plug_in_collect_display_args (action, display,
GIMP_PROCEDURE (procedure)->args,
args, 1);
plug_in_procedure_execute (procedure, gimp, display, args, n_args);
g_value_array_free (args);
}
}
void
plug_in_history_cmd_callback (GtkAction *action,
GimpPlugInProcedure *procedure,
gpointer data)
{
Gimp *gimp;
GimpDisplay *display;
GValueArray *args;
gint n_args;
return_if_no_gimp (gimp, data);
return_if_no_display (display, data);
args = gimp_procedure_get_arguments (GIMP_PROCEDURE (procedure));
g_value_set_int (&args->values[0], GIMP_RUN_INTERACTIVE);
n_args = plug_in_collect_display_args (action, display,
GIMP_PROCEDURE (procedure)->args,
args, 1);
plug_in_procedure_execute (procedure, gimp, display, args, n_args);
g_value_array_free (args);
}
void
plug_in_reset_all_cmd_callback (GtkAction *action,
gpointer data)
{
Gimp *gimp;
GtkWidget *dialog;
return_if_no_gimp (gimp, data);
dialog = gimp_message_dialog_new (_("Reset all Filters"), GIMP_STOCK_QUESTION,
NULL, 0,
gimp_standard_help_func, NULL,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GIMP_STOCK_RESET, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (dialog, "response",
G_CALLBACK (plug_in_reset_all_response),
gimp);
gimp_message_box_set_primary_text (GIMP_MESSAGE_DIALOG (dialog)->box,
_("Do you really want to reset all "
"filters to default values?"));
gtk_widget_show (dialog);
}
/* private functions */
static void
plug_in_procedure_execute (GimpPlugInProcedure *procedure,
Gimp *gimp,
GimpDisplay *display,
GValueArray *args,
gint n_args)
{
GError *error = NULL;
gimp_value_array_truncate (args, n_args);
/* run the plug-in procedure */
gimp_procedure_execute_async (GIMP_PROCEDURE (procedure), gimp,
gimp_get_user_context (gimp),
GIMP_PROGRESS (display), args,
GIMP_OBJECT (display), &error);
if (error)
{
gimp_message (gimp, G_OBJECT (display), GIMP_MESSAGE_ERROR,
"%s", error->message);
g_error_free (error);
}
else
{
/* remember only image plug-ins */
if (GIMP_PROCEDURE (procedure)->num_args >= 2 &&
GIMP_IS_PARAM_SPEC_IMAGE_ID (GIMP_PROCEDURE (procedure)->args[1]))
{
gimp_plug_in_manager_history_add (gimp->plug_in_manager, procedure);
}
}
}
static gint
plug_in_collect_data_args (GtkAction *action,
GimpObject *object,
GParamSpec **pspecs,
GValueArray *args,
gint n_args)
{
if (args->n_values > n_args &&
GIMP_IS_PARAM_SPEC_STRING (pspecs[n_args]))
{
if (object)
{
g_value_set_string (&args->values[n_args],
gimp_object_get_name (object));
n_args++;
}
else
{
g_warning ("Uh-oh, no active data object for the plug-in!");
return -1;
}
}
return n_args;
}
static gint
plug_in_collect_image_args (GtkAction *action,
GimpImage *image,
GParamSpec **pspecs,
GValueArray *args,
gint n_args)
{
if (args->n_values > n_args &&
GIMP_IS_PARAM_SPEC_IMAGE_ID (pspecs[n_args]))
{
if (image)
{
gimp_value_set_image (&args->values[n_args], image);
n_args++;
}
else
{
g_warning ("Uh-oh, no active image for the plug-in!");
return -1;
}
}
return n_args;
}
static gint
plug_in_collect_item_args (GtkAction *action,
GimpImage *image,
GimpItem *item,
GParamSpec **pspecs,
GValueArray *args,
gint n_args)
{
if (args->n_values > n_args &&
GIMP_IS_PARAM_SPEC_IMAGE_ID (pspecs[n_args]))
{
if (image)
{
gimp_value_set_image (&args->values[n_args], image);
n_args++;
if (args->n_values > n_args &&
GIMP_IS_PARAM_SPEC_ITEM_ID (pspecs[n_args]))
{
if (item &&
g_type_is_a (G_TYPE_FROM_INSTANCE (item),
GIMP_PARAM_SPEC_ITEM_ID (pspecs[n_args])->item_type))
{
gimp_value_set_item (&args->values[n_args], item);
n_args++;
}
else
{
g_warning ("Uh-oh, no active item for the plug-in!");
return -1;
}
}
}
}
return n_args;
}
static gint
plug_in_collect_display_args (GtkAction *action,
GimpDisplay *display,
GParamSpec **pspecs,
GValueArray *args,
gint n_args)
{
if (args->n_values > n_args &&
GIMP_IS_PARAM_SPEC_DISPLAY_ID (pspecs[n_args]))
{
if (display)
{
gimp_value_set_display (&args->values[n_args], GIMP_OBJECT (display));
n_args++;
}
else
{
g_warning ("Uh-oh, no active display for the plug-in!");
return -1;
}
}
if (args->n_values > n_args &&
GIMP_IS_PARAM_SPEC_IMAGE_ID (pspecs[n_args]))
{
GimpImage *image = display ? display->image : NULL;
if (image)
{
gimp_value_set_image (&args->values[n_args], image);
n_args++;
if (args->n_values > n_args &&
GIMP_IS_PARAM_SPEC_DRAWABLE_ID (pspecs[n_args]))
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
gimp_value_set_drawable (&args->values[n_args], drawable);
n_args++;
}
else
{
g_warning ("Uh-oh, no active drawable for the plug-in!");
return -1;
}
}
}
}
return n_args;
}
static void
plug_in_reset_all_response (GtkWidget *dialog,
gint response_id,
Gimp *gimp)
{
gtk_widget_destroy (dialog);
if (response_id == GTK_RESPONSE_OK)
gimp_plug_in_manager_data_free (gimp->plug_in_manager);
}
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