PIKApp/app/plug-in/pikapluginmanager-call.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikapluginmanager-call.c
*
* 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 <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#ifdef G_OS_WIN32
#include <windows.h>
#endif
#include "libpikabase/pikabase.h"
#include "libpikabase/pikaprotocol.h"
#include "libpikabase/pikawire.h"
#include "libpika/pikagpparams.h"
#include "plug-in-types.h"
#include "config/pikaguiconfig.h"
#include "core/pika.h"
#include "core/pikadisplay.h"
#include "core/pikaprogress.h"
#include "pdb/pikapdbcontext.h"
#include "pikaplugin.h"
#include "pikaplugin-message.h"
#include "pikaplugindef.h"
#include "pikapluginerror.h"
#include "pikapluginmanager.h"
#define __YES_I_NEED_PIKA_PLUG_IN_MANAGER_CALL__
#include "pikapluginmanager-call.h"
#include "pikapluginshm.h"
#include "pikatemporaryprocedure.h"
#include "pika-intl.h"
static void
pika_allow_set_foreground_window (PikaPlugIn *plug_in)
{
#ifdef G_OS_WIN32
AllowSetForegroundWindow (GetProcessId (plug_in->pid));
#endif
}
/* public functions */
void
pika_plug_in_manager_call_query (PikaPlugInManager *manager,
PikaContext *context,
PikaPlugInDef *plug_in_def)
{
PikaPlugIn *plug_in;
g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
g_return_if_fail (PIKA_IS_PDB_CONTEXT (context));
g_return_if_fail (PIKA_IS_PLUG_IN_DEF (plug_in_def));
plug_in = pika_plug_in_new (manager, context, NULL,
NULL, plug_in_def->file);
if (plug_in)
{
plug_in->plug_in_def = plug_in_def;
if (pika_plug_in_open (plug_in, PIKA_PLUG_IN_CALL_QUERY, TRUE))
{
while (plug_in->open)
{
PikaWireMessage msg;
if (! pika_wire_read_msg (plug_in->my_read, &msg, plug_in))
{
pika_plug_in_close (plug_in, TRUE);
}
else
{
pika_plug_in_handle_message (plug_in, &msg);
pika_wire_destroy (&msg);
}
}
}
g_object_unref (plug_in);
}
}
void
pika_plug_in_manager_call_init (PikaPlugInManager *manager,
PikaContext *context,
PikaPlugInDef *plug_in_def)
{
PikaPlugIn *plug_in;
g_return_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager));
g_return_if_fail (PIKA_IS_PDB_CONTEXT (context));
g_return_if_fail (PIKA_IS_PLUG_IN_DEF (plug_in_def));
plug_in = pika_plug_in_new (manager, context, NULL,
NULL, plug_in_def->file);
if (plug_in)
{
plug_in->plug_in_def = plug_in_def;
if (pika_plug_in_open (plug_in, PIKA_PLUG_IN_CALL_INIT, TRUE))
{
while (plug_in->open)
{
PikaWireMessage msg;
if (! pika_wire_read_msg (plug_in->my_read, &msg, plug_in))
{
pika_plug_in_close (plug_in, TRUE);
}
else
{
pika_plug_in_handle_message (plug_in, &msg);
pika_wire_destroy (&msg);
}
}
}
g_object_unref (plug_in);
}
}
PikaValueArray *
pika_plug_in_manager_call_run (PikaPlugInManager *manager,
PikaContext *context,
PikaProgress *progress,
PikaPlugInProcedure *procedure,
PikaValueArray *args,
gboolean synchronous,
PikaDisplay *display)
{
PikaValueArray *return_vals = NULL;
PikaPlugIn *plug_in;
g_return_val_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager), NULL);
g_return_val_if_fail (PIKA_IS_PDB_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (PIKA_IS_PLUG_IN_PROCEDURE (procedure), NULL);
g_return_val_if_fail (args != NULL, NULL);
g_return_val_if_fail (display == NULL || PIKA_IS_DISPLAY (display), NULL);
plug_in = pika_plug_in_new (manager, context, progress, procedure, NULL);
if (plug_in)
{
PikaCoreConfig *core_config = manager->pika->config;
PikaGeglConfig *gegl_config = PIKA_GEGL_CONFIG (core_config);
PikaDisplayConfig *display_config = PIKA_DISPLAY_CONFIG (core_config);
PikaGuiConfig *gui_config = PIKA_GUI_CONFIG (core_config);
GPConfig config;
GPProcRun proc_run;
gint display_id;
GObject *monitor;
GFile *icon_theme_dir;
if (! pika_plug_in_open (plug_in, PIKA_PLUG_IN_CALL_RUN, FALSE))
{
const gchar *name = pika_object_get_name (plug_in);
GError *error = g_error_new (PIKA_PLUG_IN_ERROR,
PIKA_PLUG_IN_EXECUTION_FAILED,
_("Failed to run plug-in \"%s\""),
name);
g_object_unref (plug_in);
return_vals = pika_procedure_get_return_values (PIKA_PROCEDURE (procedure),
FALSE, error);
g_error_free (error);
return return_vals;
}
if (! display)
display = pika_context_get_display (context);
display_id = display ? pika_display_get_id (display) : -1;
icon_theme_dir = pika_get_icon_theme_dir (manager->pika);
config.tile_width = PIKA_PLUG_IN_TILE_WIDTH;
config.tile_height = PIKA_PLUG_IN_TILE_HEIGHT;
config.shm_id = (manager->shm ?
pika_plug_in_shm_get_id (manager->shm) :
-1);
config.check_size = display_config->transparency_size;
config.check_type = display_config->transparency_type;
config.check_custom_color1 = display_config->transparency_custom_color1;
config.check_custom_color2 = display_config->transparency_custom_color2;
config.show_help_button = (gui_config->use_help &&
gui_config->show_help_button);
config.use_cpu_accel = manager->pika->use_cpu_accel;
config.use_opencl = gegl_config->use_opencl;
config.export_color_profile = core_config->export_color_profile;
config.export_comment = core_config->export_comment;
config.export_exif = core_config->export_metadata_exif;
config.export_xmp = core_config->export_metadata_xmp;
config.export_iptc = core_config->export_metadata_iptc;
config.default_display_id = display_id;
config.app_name = (gchar *) g_get_application_name ();
config.wm_class = (gchar *) pika_get_program_class (manager->pika);
config.display_name = pika_get_display_name (manager->pika,
display_id,
&monitor,
&config.monitor_number);
config.timestamp = pika_get_user_time (manager->pika);
config.icon_theme_dir = (icon_theme_dir ?
g_file_get_path (icon_theme_dir) :
NULL);
config.tile_cache_size = gegl_config->tile_cache_size;
config.swap_path = gegl_config->swap_path;
config.swap_compression = gegl_config->swap_compression;
config.num_processors = gegl_config->num_processors;
proc_run.name = (gchar *) pika_object_get_name (procedure);
proc_run.n_params = pika_value_array_length (args);
proc_run.params = _pika_value_array_to_gp_params (args, FALSE);
if (! gp_config_write (plug_in->my_write, &config, plug_in) ||
! gp_proc_run_write (plug_in->my_write, &proc_run, plug_in) ||
! pika_wire_flush (plug_in->my_write, plug_in))
{
const gchar *name = pika_object_get_name (plug_in);
GError *error = g_error_new (PIKA_PLUG_IN_ERROR,
PIKA_PLUG_IN_EXECUTION_FAILED,
_("Failed to run plug-in \"%s\""),
name);
g_free (config.display_name);
g_free (config.icon_theme_dir);
_pika_gp_params_free (proc_run.params, proc_run.n_params, FALSE);
g_object_unref (plug_in);
return_vals = pika_procedure_get_return_values (PIKA_PROCEDURE (procedure),
FALSE, error);
g_error_free (error);
return return_vals;
}
g_free (config.display_name);
g_free (config.icon_theme_dir);
_pika_gp_params_free (proc_run.params, proc_run.n_params, FALSE);
/* If this is an extension,
* wait for an installation-confirmation message
*/
if (PIKA_PROCEDURE (procedure)->proc_type == PIKA_PDB_PROC_TYPE_EXTENSION)
{
plug_in->ext_main_loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (plug_in->ext_main_loop);
/* main_loop is quit in pika_plug_in_handle_extension_ack() */
g_clear_pointer (&plug_in->ext_main_loop, g_main_loop_unref);
}
/* If this plug-in is requested to run synchronously,
* wait for its return values
*/
if (synchronous)
{
PikaPlugInProcFrame *proc_frame = &plug_in->main_proc_frame;
proc_frame->main_loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (proc_frame->main_loop);
/* main_loop is quit in pika_plug_in_handle_proc_return() */
g_clear_pointer (&proc_frame->main_loop, g_main_loop_unref);
return_vals = pika_plug_in_proc_frame_get_return_values (proc_frame);
}
g_object_unref (plug_in);
}
return return_vals;
}
PikaValueArray *
pika_plug_in_manager_call_run_temp (PikaPlugInManager *manager,
PikaContext *context,
PikaProgress *progress,
PikaTemporaryProcedure *procedure,
PikaValueArray *args)
{
PikaValueArray *return_vals = NULL;
PikaPlugIn *plug_in;
g_return_val_if_fail (PIKA_IS_PLUG_IN_MANAGER (manager), NULL);
g_return_val_if_fail (PIKA_IS_PDB_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (PIKA_IS_TEMPORARY_PROCEDURE (procedure), NULL);
g_return_val_if_fail (args != NULL, NULL);
plug_in = procedure->plug_in;
if (plug_in)
{
PikaPlugInProcFrame *proc_frame;
GPProcRun proc_run;
proc_frame = pika_plug_in_proc_frame_push (plug_in, context, progress,
procedure);
proc_run.name = (gchar *) pika_object_get_name (procedure);
proc_run.n_params = pika_value_array_length (args);
proc_run.params = _pika_value_array_to_gp_params (args, FALSE);
if (! gp_temp_proc_run_write (plug_in->my_write, &proc_run, plug_in) ||
! pika_wire_flush (plug_in->my_write, plug_in))
{
const gchar *name = pika_object_get_name (plug_in);
GError *error = g_error_new (PIKA_PLUG_IN_ERROR,
PIKA_PLUG_IN_EXECUTION_FAILED,
_("Failed to run plug-in \"%s\""),
name);
_pika_gp_params_free (proc_run.params, proc_run.n_params, FALSE);
pika_plug_in_proc_frame_pop (plug_in);
return_vals = pika_procedure_get_return_values (PIKA_PROCEDURE (procedure),
FALSE, error);
g_error_free (error);
return return_vals;
}
pika_allow_set_foreground_window (plug_in);
_pika_gp_params_free (proc_run.params, proc_run.n_params, FALSE);
g_object_ref (plug_in);
pika_plug_in_proc_frame_ref (proc_frame);
pika_plug_in_main_loop (plug_in);
/* main_loop is quit and proc_frame is popped in
* pika_plug_in_handle_temp_proc_return()
*/
return_vals = pika_plug_in_proc_frame_get_return_values (proc_frame);
pika_plug_in_proc_frame_unref (proc_frame, plug_in);
g_object_unref (plug_in);
}
return return_vals;
}