AlderconeStudio/PIKApp
AlderconeStudio
/
PIKApp
0
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases 1 Wiki Activity
PIKApp/app/core/pika.c

1244 lines
37 KiB
C
Raw Blame History

/* 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) 1995-2002 Spencer Kimball, Peter Mattis, and others
*
* 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> /* strlen */
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libpikabase/pikabase.h"
#include "libpikabase/pikabase-private.h"
#include "libpikaconfig/pikaconfig.h"
#include "core-types.h"
#include "config/pikarc.h"
#include "gegl/pika-babl.h"
#include "pdb/pikapdb.h"
#include "pdb/pika-pdb-compat.h"
#include "pdb/internal-procs.h"
#include "plug-in/pikapluginmanager.h"
#include "plug-in/pikapluginmanager-restore.h"
#include "paint/pika-paint.h"
#include "xcf/xcf.h"
#include "file-data/file-data.h"
#include "pika.h"
#include "pika-contexts.h"
#include "pika-data-factories.h"
#include "pika-filter-history.h"
#include "pika-memsize.h"
#include "pika-modules.h"
#include "pika-parasites.h"
#include "pika-templates.h"
#include "pika-units.h"
#include "pika-utils.h"
#include "pikabrush.h"
#include "pikabuffer.h"
#include "pikacontext.h"
#include "pikadynamics.h"
#include "pikadocumentlist.h"
#include "pikaextensionmanager.h"
#include "pikagradient.h"
#include "pikaidtable.h"
#include "pikaimage.h"
#include "pikaimagefile.h"
#include "pikalist.h"
#include "pikamarshal.h"
#include "pikamybrush.h"
#include "pikapalette.h"
#include "pikaparasitelist.h"
#include "pikapattern.h"
#include "pikatemplate.h"
#include "pikatoolinfo.h"
#include "pikatreeproxy.h"
#include "pika-intl.h"
/* we need to register all enum types so they are known to the type
* system by name, re-use the files the pdb generated for libpika
*/
void pika_enums_init (void);
const gchar ** pika_enums_get_type_names (gint *n_type_names);
#include "libpika/pikaenums.c.tail"
enum
{
INITIALIZE,
RESTORE,
EXIT,
CLIPBOARD_CHANGED,
FILTER_HISTORY_CHANGED,
IMAGE_OPENED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_VERBOSE
};
static void pika_constructed (GObject *object);
static void pika_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_dispose (GObject *object);
static void pika_finalize (GObject *object);
static gint64 pika_get_memsize (PikaObject *object,
gint64 *gui_size);
static void pika_real_initialize (Pika *pika,
PikaInitStatusFunc status_callback);
static void pika_real_restore (Pika *pika,
PikaInitStatusFunc status_callback);
static gboolean pika_real_exit (Pika *pika,
gboolean force);
static void pika_global_config_notify (GObject *global_config,
GParamSpec *param_spec,
GObject *edit_config);
static void pika_edit_config_notify (GObject *edit_config,
GParamSpec *param_spec,
GObject *global_config);
G_DEFINE_TYPE (Pika, pika, PIKA_TYPE_OBJECT)
#define parent_class pika_parent_class
static guint pika_signals[LAST_SIGNAL] = { 0, };
static void
pika_class_init (PikaClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaObjectClass *pika_object_class = PIKA_OBJECT_CLASS (klass);
pika_signals[INITIALIZE] =
g_signal_new ("initialize",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaClass, initialize),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
pika_signals[RESTORE] =
g_signal_new ("restore",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaClass, restore),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
pika_signals[EXIT] =
g_signal_new ("exit",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaClass, exit),
g_signal_accumulator_true_handled, NULL,
pika_marshal_BOOLEAN__BOOLEAN,
G_TYPE_BOOLEAN, 1,
G_TYPE_BOOLEAN);
pika_signals[CLIPBOARD_CHANGED] =
g_signal_new ("clipboard-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaClass, clipboard_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_signals[FILTER_HISTORY_CHANGED] =
g_signal_new ("filter-history-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaClass,
filter_history_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
pika_signals[IMAGE_OPENED] =
g_signal_new ("image-opened",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaClass, image_opened),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_FILE);
object_class->constructed = pika_constructed;
object_class->set_property = pika_set_property;
object_class->get_property = pika_get_property;
object_class->dispose = pika_dispose;
object_class->finalize = pika_finalize;
pika_object_class->get_memsize = pika_get_memsize;
klass->initialize = pika_real_initialize;
klass->restore = pika_real_restore;
klass->exit = pika_real_exit;
klass->clipboard_changed = NULL;
g_object_class_install_property (object_class, PROP_VERBOSE,
g_param_spec_boolean ("verbose", NULL, NULL,
FALSE,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
pika_init (Pika *pika)
{
pika->be_verbose = FALSE;
pika->no_data = FALSE;
pika->no_interface = FALSE;
pika->show_gui = TRUE;
pika->use_shm = FALSE;
pika->use_cpu_accel = TRUE;
pika->message_handler = PIKA_CONSOLE;
pika->show_playground = FALSE;
pika->stack_trace_mode = PIKA_STACK_TRACE_NEVER;
pika->pdb_compat_mode = PIKA_PDB_COMPAT_OFF;
pika_gui_init (pika);
pika->parasites = pika_parasite_list_new ();
pika_enums_init ();
pika_units_init (pika);
pika->images = pika_list_new_weak (PIKA_TYPE_IMAGE, FALSE);
pika_object_set_static_name (PIKA_OBJECT (pika->images), "images");
pika->next_guide_id = 1;
pika->next_sample_point_id = 1;
pika->image_table = pika_id_table_new ();
pika->item_table = pika_id_table_new ();
pika->displays = g_object_new (PIKA_TYPE_LIST,
"children-type", PIKA_TYPE_OBJECT,
"policy", PIKA_CONTAINER_POLICY_WEAK,
"append", TRUE,
NULL);
pika_object_set_static_name (PIKA_OBJECT (pika->displays), "displays");
pika->next_display_id = 1;
pika->named_buffers = pika_list_new (PIKA_TYPE_BUFFER, TRUE);
pika_object_set_static_name (PIKA_OBJECT (pika->named_buffers),
"named buffers");
pika_data_factories_init (pika);
pika->tool_info_list = g_object_new (PIKA_TYPE_LIST,
"children-type", PIKA_TYPE_TOOL_INFO,
"append", TRUE,
NULL);
pika_object_set_static_name (PIKA_OBJECT (pika->tool_info_list),
"tool infos");
pika->tool_item_list = g_object_new (PIKA_TYPE_LIST,
"children-type", PIKA_TYPE_TOOL_ITEM,
"append", TRUE,
NULL);
pika_object_set_static_name (PIKA_OBJECT (pika->tool_item_list),
"tool items");
pika->tool_item_ui_list = pika_tree_proxy_new_for_container (
pika->tool_item_list);
pika_object_set_static_name (PIKA_OBJECT (pika->tool_item_ui_list),
"ui tool items");
pika->documents = pika_document_list_new (pika);
pika->templates = pika_list_new (PIKA_TYPE_TEMPLATE, TRUE);
pika_object_set_static_name (PIKA_OBJECT (pika->templates), "templates");
}
static void
pika_constructed (GObject *object)
{
Pika *pika = PIKA (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
pika_modules_init (pika);
pika_paint_init (pika);
pika->extension_manager = pika_extension_manager_new (pika);
pika->plug_in_manager = pika_plug_in_manager_new (pika);
pika->pdb = pika_pdb_new (pika);
xcf_init (pika);
file_data_init (pika);
/* create user and default context */
pika_contexts_init (pika);
/* Initialize the extension manager early as its contents may be used
* at the very start (e.g. the splash image).
*/
pika_extension_manager_initialize (pika->extension_manager);
}
static void
pika_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
Pika *pika = PIKA (object);
switch (property_id)
{
case PROP_VERBOSE:
pika->be_verbose = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
Pika *pika = PIKA (object);
switch (property_id)
{
case PROP_VERBOSE:
g_value_set_boolean (value, pika->be_verbose);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_dispose (GObject *object)
{
Pika *pika = PIKA (object);
if (pika->be_verbose)
g_print ("EXIT: %s\n", G_STRFUNC);
pika_data_factories_clear (pika);
pika_filter_history_clear (pika);
g_clear_object (&pika->edit_config);
g_clear_object (&pika->config);
pika_contexts_exit (pika);
g_clear_object (&pika->image_new_last_template);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
pika_finalize (GObject *object)
{
Pika *pika = PIKA (object);
GList *standards = NULL;
if (pika->be_verbose)
g_print ("EXIT: %s\n", G_STRFUNC);
standards = g_list_prepend (standards,
pika_brush_get_standard (pika->user_context));
standards = g_list_prepend (standards,
pika_dynamics_get_standard (pika->user_context));
standards = g_list_prepend (standards,
pika_mybrush_get_standard (pika->user_context));
standards = g_list_prepend (standards,
pika_pattern_get_standard (pika->user_context));
standards = g_list_prepend (standards,
pika_gradient_get_standard (pika->user_context));
standards = g_list_prepend (standards,
pika_palette_get_standard (pika->user_context));
g_clear_object (&pika->templates);
g_clear_object (&pika->documents);
pika_tool_info_set_standard (pika, NULL);
g_clear_object (&pika->tool_item_list);
g_clear_object (&pika->tool_item_ui_list);
if (pika->tool_info_list)
{
pika_container_foreach (pika->tool_info_list,
(GFunc) g_object_run_dispose, NULL);
g_clear_object (&pika->tool_info_list);
}
file_data_exit (pika);
xcf_exit (pika);
g_clear_object (&pika->pdb);
pika_data_factories_exit (pika);
g_clear_object (&pika->named_buffers);
g_clear_object (&pika->clipboard_buffer);
g_clear_object (&pika->clipboard_image);
g_clear_object (&pika->displays);
g_clear_object (&pika->item_table);
g_clear_object (&pika->image_table);
g_clear_object (&pika->images);
g_clear_object (&pika->plug_in_manager);
g_clear_object (&pika->extension_manager);
if (pika->module_db)
pika_modules_exit (pika);
pika_paint_exit (pika);
g_clear_object (&pika->parasites);
g_clear_object (&pika->default_folder);
g_clear_pointer (&pika->session_name, g_free);
if (pika->context_list)
{
GList *list;
g_warning ("%s: list of contexts not empty upon exit (%d contexts left)\n",
G_STRFUNC, g_list_length (pika->context_list));
for (list = pika->context_list; list; list = g_list_next (list))
g_printerr ("stale context: %s\n", pika_object_get_name (list->data));
g_list_free (pika->context_list);
pika->context_list = NULL;
}
g_list_foreach (standards, (GFunc) g_object_unref, NULL);
g_list_free (standards);
pika_units_exit (pika);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint64
pika_get_memsize (PikaObject *object,
gint64 *gui_size)
{
Pika *pika = PIKA (object);
gint64 memsize = 0;
memsize += pika_g_list_get_memsize (pika->user_units, 0 /* FIXME */);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->parasites),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->paint_info_list),
gui_size);
memsize += pika_g_object_get_memsize (G_OBJECT (pika->module_db));
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->plug_in_manager),
gui_size);
memsize += pika_g_list_get_memsize_foreach (pika->filter_history,
(PikaMemsizeFunc)
pika_object_get_memsize,
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->image_table), 0);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->item_table), 0);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->displays), gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->clipboard_image),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->clipboard_buffer),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->named_buffers),
gui_size);
memsize += pika_data_factories_get_memsize (pika, gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->pdb), gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->tool_info_list),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->standard_tool_info),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->documents),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->templates),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->image_new_last_template),
gui_size);
memsize += pika_g_list_get_memsize (pika->context_list, 0);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->default_context),
gui_size);
memsize += pika_object_get_memsize (PIKA_OBJECT (pika->user_context),
gui_size);
return memsize + PIKA_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
pika_real_initialize (Pika *pika,
PikaInitStatusFunc status_callback)
{
if (pika->be_verbose)
g_print ("INIT: %s\n", G_STRFUNC);
status_callback (_("Initialization"), NULL, 0.0);
/* set the last values used to default values */
pika->image_new_last_template =
pika_config_duplicate (PIKA_CONFIG (pika->config->default_image));
/* add data objects that need the user context */
pika_data_factories_add_builtin (pika);
/* register all internal procedures */
status_callback (NULL, _("Internal Procedures"), 0.2);
internal_procs_init (pika->pdb);
pika_pdb_compat_procs_register (pika->pdb, pika->pdb_compat_mode);
pika_plug_in_manager_initialize (pika->plug_in_manager, status_callback);
status_callback (NULL, "", 1.0);
}
static void
pika_real_restore (Pika *pika,
PikaInitStatusFunc status_callback)
{
if (pika->be_verbose)
g_print ("INIT: %s\n", G_STRFUNC);
pika_plug_in_manager_restore (pika->plug_in_manager,
pika_get_user_context (pika), status_callback);
/* initialize babl fishes */
status_callback (_("Initialization"), "Babl Fishes", 0.0);
pika_babl_init_fishes (status_callback);
pika->restored = TRUE;
}
static gboolean
pika_real_exit (Pika *pika,
gboolean force)
{
if (pika->be_verbose)
g_print ("EXIT: %s\n", G_STRFUNC);
pika_plug_in_manager_exit (pika->plug_in_manager);
pika_extension_manager_exit (pika->extension_manager);
pika_modules_unload (pika);
pika_data_factories_save (pika);
pika_templates_save (pika);
pika_parasiterc_save (pika);
pika_unitrc_save (pika);
return FALSE; /* continue exiting */
}
Pika *
pika_new (const gchar *name,
const gchar *session_name,
GFile *default_folder,
gboolean be_verbose,
gboolean no_data,
gboolean no_fonts,
gboolean no_interface,
gboolean use_shm,
gboolean use_cpu_accel,
gboolean console_messages,
gboolean show_playground,
gboolean show_debug_menu,
PikaStackTraceMode stack_trace_mode,
PikaPDBCompatMode pdb_compat_mode)
{
Pika *pika;
g_return_val_if_fail (name != NULL, NULL);
pika = g_object_new (PIKA_TYPE_PIKA,
"name", name,
"verbose", be_verbose ? TRUE : FALSE,
NULL);
if (default_folder)
pika->default_folder = g_object_ref (default_folder);
pika->session_name = g_strdup (session_name);
pika->no_data = no_data ? TRUE : FALSE;
pika->no_fonts = no_fonts ? TRUE : FALSE;
pika->no_interface = no_interface ? TRUE : FALSE;
pika->use_shm = use_shm ? TRUE : FALSE;
pika->use_cpu_accel = use_cpu_accel ? TRUE : FALSE;
pika->console_messages = console_messages ? TRUE : FALSE;
pika->show_playground = show_playground ? TRUE : FALSE;
pika->show_debug_menu = show_debug_menu ? TRUE : FALSE;
pika->stack_trace_mode = stack_trace_mode;
pika->pdb_compat_mode = pdb_compat_mode;
return pika;
}
/**
* pika_set_show_gui:
* @pika:
* @show:
*
* Test cases that tests the UI typically don't want any windows to be
* presented during the test run. Allow them to set this.
**/
void
pika_set_show_gui (Pika *pika,
gboolean show_gui)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
pika->show_gui = show_gui;
}
/**
* pika_get_show_gui:
* @pika:
*
* Returns: %TRUE if the GUI should be shown, %FALSE otherwise.
**/
gboolean
pika_get_show_gui (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
return pika->show_gui;
}
static void
pika_global_config_notify (GObject *global_config,
GParamSpec *param_spec,
GObject *edit_config)
{
GValue global_value = G_VALUE_INIT;
GValue edit_value = G_VALUE_INIT;
g_value_init (&global_value, param_spec->value_type);
g_value_init (&edit_value, param_spec->value_type);
g_object_get_property (global_config, param_spec->name, &global_value);
g_object_get_property (edit_config, param_spec->name, &edit_value);
if (g_param_values_cmp (param_spec, &global_value, &edit_value))
{
g_signal_handlers_block_by_func (edit_config,
pika_edit_config_notify,
global_config);
g_object_set_property (edit_config, param_spec->name, &global_value);
g_signal_handlers_unblock_by_func (edit_config,
pika_edit_config_notify,
global_config);
}
g_value_unset (&global_value);
g_value_unset (&edit_value);
}
static void
pika_edit_config_notify (GObject *edit_config,
GParamSpec *param_spec,
GObject *global_config)
{
GValue edit_value = G_VALUE_INIT;
GValue global_value = G_VALUE_INIT;
g_value_init (&edit_value, param_spec->value_type);
g_value_init (&global_value, param_spec->value_type);
g_object_get_property (edit_config, param_spec->name, &edit_value);
g_object_get_property (global_config, param_spec->name, &global_value);
if (g_param_values_cmp (param_spec, &edit_value, &global_value))
{
if (param_spec->flags & PIKA_CONFIG_PARAM_RESTART)
{
#ifdef PIKA_CONFIG_DEBUG
g_print ("NOT Applying edit_config change of '%s' to global_config "
"because it needs restart\n",
param_spec->name);
#endif
}
else
{
#ifdef PIKA_CONFIG_DEBUG
g_print ("Applying edit_config change of '%s' to global_config\n",
param_spec->name);
#endif
g_signal_handlers_block_by_func (global_config,
pika_global_config_notify,
edit_config);
g_object_set_property (global_config, param_spec->name, &edit_value);
g_signal_handlers_unblock_by_func (global_config,
pika_global_config_notify,
edit_config);
}
}
g_value_unset (&edit_value);
g_value_unset (&global_value);
}
void
pika_load_config (Pika *pika,
GFile *alternate_system_pikarc,
GFile *alternate_pikarc)
{
PikaRc *pikarc;
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (alternate_system_pikarc == NULL ||
G_IS_FILE (alternate_system_pikarc));
g_return_if_fail (alternate_pikarc == NULL ||
G_IS_FILE (alternate_pikarc));
g_return_if_fail (pika->config == NULL);
g_return_if_fail (pika->edit_config == NULL);
if (pika->be_verbose)
g_print ("INIT: %s\n", G_STRFUNC);
/* this needs to be done before pikarc loading because pikarc can
* use user defined units
*/
pika_unitrc_load (pika);
pikarc = pika_rc_new (G_OBJECT (pika),
alternate_system_pikarc,
alternate_pikarc,
pika->be_verbose);
pika->config = PIKA_CORE_CONFIG (pikarc);
pika->edit_config = pika_config_duplicate (PIKA_CONFIG (pika->config));
g_signal_connect_object (pika->config, "notify",
G_CALLBACK (pika_global_config_notify),
pika->edit_config, 0);
g_signal_connect_object (pika->edit_config, "notify",
G_CALLBACK (pika_edit_config_notify),
pika->config, 0);
if (! pika->show_playground)
{
gboolean use_opencl;
gboolean use_npd_tool;
gboolean use_seamless_clone_tool;
/* Playground preferences is shown by default for unstable
* versions and if the associated CLI option was set. Additionally
* we want to show it if any of the playground options had been
* enabled. Otherwise you might end up getting blocked with a
* playground feature and forget where you can even disable it.
*
* Also we check this once at start when loading config, and not
* inside preferences-dialog.c because we don't want to end up
* with inconsistent behavior where you open once the Preferences,
* deactivate features, then back to preferences and the tab is
* gone.
*/
g_object_get (pika->edit_config,
"use-opencl", &use_opencl,
"playground-npd-tool", &use_npd_tool,
"playground-seamless-clone-tool", &use_seamless_clone_tool,
NULL);
if (use_opencl || use_npd_tool || use_seamless_clone_tool)
pika->show_playground = TRUE;
}
}
void
pika_initialize (Pika *pika,
PikaInitStatusFunc status_callback)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (status_callback != NULL);
g_return_if_fail (PIKA_IS_CORE_CONFIG (pika->config));
if (pika->be_verbose)
g_print ("INIT: %s\n", G_STRFUNC);
g_signal_emit (pika, pika_signals[INITIALIZE], 0, status_callback);
}
/**
* pika_restore:
* @pika: a #Pika object
* @error: a #GError for uncessful loading.
*
* This function always succeeds. If present, @error may be filled for
* possible feedback on data which failed to load. It doesn't imply any
* fatale error.
**/
void
pika_restore (Pika *pika,
PikaInitStatusFunc status_callback,
GError **error)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (status_callback != NULL);
if (pika->be_verbose)
g_print ("INIT: %s\n", G_STRFUNC);
/* initialize the global parasite table */
status_callback (_("Looking for data files"), _("Parasites"), 0.0);
pika_parasiterc_load (pika);
/* initialize the lists of pika brushes, dynamics, patterns etc. */
pika_data_factories_load (pika, status_callback);
/* initialize the template list */
status_callback (NULL, _("Templates"), 0.8);
pika_templates_load (pika);
/* initialize the module list */
status_callback (NULL, _("Modules"), 0.9);
pika_modules_load (pika);
g_signal_emit (pika, pika_signals[RESTORE], 0, status_callback);
/* when done, make sure everything is clean, to clean out dirty
* states from data objects which reference each other and got
* dirtied by loading the referenced object
*/
pika_data_factories_data_clean (pika);
}
/**
* pika_is_restored:
* @pika: a #Pika object
*
* Returns: %TRUE if PIKA is completely started, %FALSE otherwise.
**/
gboolean
pika_is_restored (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
return pika->initialized && pika->restored;
}
/**
* pika_exit:
* @pika: a #Pika object
* @force: whether to force the application to quit
*
* Exit this PIKA session. Unless @force is %TRUE, the user is queried
* whether unsaved images should be saved and can cancel the operation.
**/
void
pika_exit (Pika *pika,
gboolean force)
{
gboolean handled;
GList *image_iter;
g_return_if_fail (PIKA_IS_PIKA (pika));
if (pika->be_verbose)
g_print ("EXIT: %s\n", G_STRFUNC);
g_signal_emit (pika, pika_signals[EXIT], 0,
force ? TRUE : FALSE,
&handled);
if (handled)
return;
/* Get rid of images without display. We do this *after* handling the
* usual exit callbacks, because the things that are torn down there
* might have references to these images (for instance PikaActions
* in the UI manager).
*/
while ((image_iter = pika_get_image_iter (pika)))
{
PikaImage *image = image_iter->data;
g_object_unref (image);
}
}
GList *
pika_get_image_iter (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return PIKA_LIST (pika->images)->queue->head;
}
GList *
pika_get_display_iter (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return PIKA_LIST (pika->displays)->queue->head;
}
GList *
pika_get_image_windows (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return g_list_copy (pika->image_windows);
}
GList *
pika_get_paint_info_iter (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return PIKA_LIST (pika->paint_info_list)->queue->head;
}
GList *
pika_get_tool_info_iter (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return PIKA_LIST (pika->tool_info_list)->queue->head;
}
GList *
pika_get_tool_item_iter (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return PIKA_LIST (pika->tool_item_list)->queue->head;
}
GList *
pika_get_tool_item_ui_iter (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return PIKA_LIST (pika->tool_item_ui_list)->queue->head;
}
PikaObject *
pika_get_clipboard_object (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
if (pika->clipboard_image)
return PIKA_OBJECT (pika->clipboard_image);
return PIKA_OBJECT (pika->clipboard_buffer);
}
void
pika_set_clipboard_image (Pika *pika,
PikaImage *image)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (image == NULL || PIKA_IS_IMAGE (image));
g_clear_object (&pika->clipboard_buffer);
g_set_object (&pika->clipboard_image, image);
/* we want the signal emission */
g_signal_emit (pika, pika_signals[CLIPBOARD_CHANGED], 0);
}
PikaImage *
pika_get_clipboard_image (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return pika->clipboard_image;
}
void
pika_set_clipboard_buffer (Pika *pika,
PikaBuffer *buffer)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (buffer == NULL || PIKA_IS_BUFFER (buffer));
g_clear_object (&pika->clipboard_image);
g_set_object (&pika->clipboard_buffer, buffer);
/* we want the signal emission */
g_signal_emit (pika, pika_signals[CLIPBOARD_CHANGED], 0);
}
PikaBuffer *
pika_get_clipboard_buffer (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return pika->clipboard_buffer;
}
PikaImage *
pika_create_image (Pika *pika,
gint width,
gint height,
PikaImageBaseType type,
PikaPrecision precision,
gboolean attach_comment)
{
PikaImage *image;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
image = pika_image_new (pika, width, height, type, precision);
if (attach_comment)
{
const gchar *comment;
comment = pika_template_get_comment (pika->config->default_image);
if (comment)
{
PikaParasite *parasite = pika_parasite_new ("pika-comment",
PIKA_PARASITE_PERSISTENT,
strlen (comment) + 1,
comment);
pika_image_parasite_attach (image, parasite, FALSE);
pika_parasite_free (parasite);
}
}
return image;
}
void
pika_set_default_context (Pika *pika,
PikaContext *context)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (context == NULL || PIKA_IS_CONTEXT (context));
g_set_object (&pika->default_context, context);
}
PikaContext *
pika_get_default_context (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return pika->default_context;
}
void
pika_set_user_context (Pika *pika,
PikaContext *context)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (context == NULL || PIKA_IS_CONTEXT (context));
g_set_object (&pika->user_context, context);
}
PikaContext *
pika_get_user_context (Pika *pika)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
return pika->user_context;
}
PikaToolInfo *
pika_get_tool_info (Pika *pika,
const gchar *tool_id)
{
gpointer info;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (tool_id != NULL, NULL);
info = pika_container_get_child_by_name (pika->tool_info_list, tool_id);
return (PikaToolInfo *) info;
}
/**
* pika_message:
* @pika: a pointer to the %Pika object
* @handler: either a %PikaProgress or a %GtkWidget pointer
* @severity: severity of the message
* @format: printf-like format string
* @...: arguments to use with @format
*
* Present a message to the user. How exactly the message is displayed
* depends on the @severity, the @handler object and user preferences.
**/
void
pika_message (Pika *pika,
GObject *handler,
PikaMessageSeverity severity,
const gchar *format,
...)
{
va_list args;
va_start (args, format);
pika_message_valist (pika, handler, severity, format, args);
va_end (args);
}
/**
* pika_message_valist:
* @pika: a pointer to the %Pika object
* @handler: either a %PikaProgress or a %GtkWidget pointer
* @severity: severity of the message
* @format: printf-like format string
* @args: arguments to use with @format
*
* See documentation for pika_message().
**/
void
pika_message_valist (Pika *pika,
GObject *handler,
PikaMessageSeverity severity,
const gchar *format,
va_list args)
{
gchar *message;
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (handler == NULL || G_IS_OBJECT (handler));
g_return_if_fail (format != NULL);
message = g_strdup_vprintf (format, args);
pika_show_message (pika, handler, severity, NULL, message);
g_free (message);
}
void
pika_message_literal (Pika *pika,
GObject *handler,
PikaMessageSeverity severity,
const gchar *message)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (handler == NULL || G_IS_OBJECT (handler));
g_return_if_fail (message != NULL);
pika_show_message (pika, handler, severity, NULL, message);
}
void
pika_filter_history_changed (Pika *pika)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_signal_emit (pika, pika_signals[FILTER_HISTORY_CHANGED], 0);
}
void
pika_image_opened (Pika *pika,
GFile *file)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (G_IS_FILE (file));
g_signal_emit (pika, pika_signals[IMAGE_OPENED], 0, file);
}
GFile *
pika_get_temp_file (Pika *pika,
const gchar *extension)
{
static gint id = 0;
static gint pid;
gchar *basename;
GFile *dir;
GFile *file;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
if (id == 0)
pid = pika_get_pid ();
if (extension)
basename = g_strdup_printf ("pika-temp-%d%d.%s", pid, id++, extension);
else
basename = g_strdup_printf ("pika-temp-%d%d", pid, id++);
dir = pika_file_new_for_config_path (PIKA_GEGL_CONFIG (pika->config)->temp_path,
NULL);
if (! g_file_query_exists (dir, NULL))
{
/* Try to make the temp directory if it doesn't exist.
* Ignore any error.
*/
g_file_make_directory_with_parents (dir, NULL, NULL);
}
file = g_file_get_child (dir, basename);
g_free (basename);
g_object_unref (dir);
return file;
}
Reference in New Issue View Git Blame Copy Permalink