gimp/app/app.c

524 lines
15 KiB
C

/* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <locale.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <glib/gstdio.h>
#include <gio/gio.h>
#include <gegl.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#ifdef G_OS_WIN32
#include <windows.h>
#include <winnls.h>
#endif
#undef GIMP_DISABLE_DEPRECATED /* for compat enums */
#include "libgimpbase/gimpbase.h"
#define GIMP_DISABLE_DEPRECATED
#include "libgimpconfig/gimpconfig.h"
#include "core/core-types.h"
#include "config/gimplangrc.h"
#include "config/gimprc.h"
#include "gegl/gimp-gegl.h"
#include "core/gimp.h"
#include "core/gimp-batch.h"
#include "core/gimp-user-install.h"
#include "core/gimpbacktrace.h"
#include "core/gimpimage.h"
#include "file/file-open.h"
#ifndef GIMP_CONSOLE_COMPILATION
#include "dialogs/user-install-dialog.h"
#include "gui/gui.h"
#endif
#include "app.h"
#include "errors.h"
#include "language.h"
#include "sanity.h"
#include "gimp-debug.h"
#include "gimp-intl.h"
/* local prototypes */
static void app_init_update_noop (const gchar *text1,
const gchar *text2,
gdouble percentage);
static void app_restore_after_callback (Gimp *gimp,
GimpInitStatusFunc status_callback);
static gboolean app_exit_after_callback (Gimp *gimp,
gboolean kill_it,
GMainLoop **loop);
#if 0
/* left here as documentation how to do compat enums */
GType gimp_convert_dither_type_compat_get_type (void); /* compat cruft */
#endif
/* local variables */
static GObject *initial_monitor = NULL;
/* public functions */
void
app_libs_init (GOptionContext *context,
gboolean no_interface)
{
#if 0
GQuark quark;
#endif
/* disable OpenCL before GEGL is even initialized; this way we only
* enable if wanted in gimprc, instead of always enabling, and then
* disabling again if wanted in gimprc
*/
g_object_set (gegl_config (),
"use-opencl", FALSE,
"application-license", "GPL3",
NULL);
g_option_context_add_group (context, gegl_get_option_group ());
#ifndef GIMP_CONSOLE_COMPILATION
if (! no_interface)
{
gui_libs_init (context);
}
#endif
#if 0
/* left here as documentation how to do compat enums */
/* keep compat enum code in sync with pdb/enumcode.pl */
quark = g_quark_from_static_string ("gimp-compat-enum");
g_type_set_qdata (GIMP_TYPE_CONVERT_DITHER_TYPE, quark,
(gpointer) gimp_convert_dither_type_compat_get_type ());
#endif
}
void
app_abort (gboolean no_interface,
const gchar *abort_message)
{
#ifndef GIMP_CONSOLE_COMPILATION
if (no_interface)
#endif
{
g_print ("%s\n\n", abort_message);
}
#ifndef GIMP_CONSOLE_COMPILATION
else
{
gui_abort (abort_message);
}
#endif
app_exit (EXIT_FAILURE);
}
void
app_exit (gint status)
{
exit (status);
}
void
app_run (const gchar *full_prog_name,
const gchar **filenames,
GFile *alternate_system_gimprc,
GFile *alternate_gimprc,
const gchar *session_name,
const gchar *batch_interpreter,
const gchar **batch_commands,
gboolean as_new,
gboolean no_interface,
gboolean no_data,
gboolean no_fonts,
gboolean no_splash,
gboolean be_verbose,
gboolean use_shm,
gboolean use_cpu_accel,
gboolean console_messages,
gboolean use_debug_handler,
gboolean show_playground,
gboolean show_debug_menu,
GimpStackTraceMode stack_trace_mode,
GimpPDBCompatMode pdb_compat_mode,
const gchar *backtrace_file)
{
GimpInitStatusFunc update_status_func = NULL;
Gimp *gimp;
GMainLoop *loop;
GMainLoop *run_loop;
GFile *default_folder = NULL;
GFile *gimpdir;
const gchar *abort_message;
GimpLangRc *temprc;
gchar *language = NULL;
GError *font_error = NULL;
if (filenames && filenames[0] && ! filenames[1] &&
g_file_test (filenames[0], G_FILE_TEST_IS_DIR))
{
if (g_path_is_absolute (filenames[0]))
{
default_folder = g_file_new_for_path (filenames[0]);
}
else
{
gchar *absolute = g_build_path (G_DIR_SEPARATOR_S,
g_get_current_dir (),
filenames[0],
NULL);
default_folder = g_file_new_for_path (absolute);
g_free (absolute);
}
filenames = NULL;
}
/* Initialize GimpBacktrace early on. In particular, we want the
* Windows backend to catch the SET_THREAD_NAME exceptions of newly
* created threads.
*/
gimp_backtrace_init ();
/* Language needs to be determined first, before any GimpContext is
* instantiated (which happens when the Gimp object is created)
* because its properties need to be properly localized in the
* settings language (if different from system language). Otherwise we
* end up with pieces of GUI always using the system language (cf. bug
* 787457). Therefore we do a first pass on "gimprc" file for the sole
* purpose of getting the settings language, so that we can initialize
* it before anything else.
*/
temprc = gimp_lang_rc_new (alternate_system_gimprc,
alternate_gimprc,
be_verbose);
language = gimp_lang_rc_get_language (temprc);
g_object_unref (temprc);
/* change the locale if a language if specified */
language_init (language);
if (language)
g_free (language);
/* Create an instance of the "Gimp" object which is the root of the
* core object system
*/
gimp = gimp_new (full_prog_name,
session_name,
default_folder,
be_verbose,
no_data,
no_fonts,
no_interface,
use_shm,
use_cpu_accel,
console_messages,
show_playground,
show_debug_menu,
stack_trace_mode,
pdb_compat_mode);
if (default_folder)
g_object_unref (default_folder);
gimp_cpu_accel_set_use (use_cpu_accel);
/* Check if the user's gimp_directory exists
*/
gimpdir = gimp_directory_file (NULL);
if (g_file_query_file_type (gimpdir, G_FILE_QUERY_INFO_NONE, NULL) !=
G_FILE_TYPE_DIRECTORY)
{
GimpUserInstall *install = gimp_user_install_new (G_OBJECT (gimp),
be_verbose);
#ifdef GIMP_CONSOLE_COMPILATION
gimp_user_install_run (install);
#else
if (! (no_interface ?
gimp_user_install_run (install) :
user_install_dialog_run (install)))
exit (EXIT_FAILURE);
#endif
gimp_user_install_free (install);
}
g_object_unref (gimpdir);
gimp_load_config (gimp, alternate_system_gimprc, alternate_gimprc);
/* Initialize the error handling after creating/migrating the config
* directory because it will create some folders for backup and crash
* logs in advance. Therefore running this before
* gimp_user_install_new() would break migration as well as initial
* folder creations.
*
* It also needs to be run after gimp_load_config() because error
* handling is based on Preferences. It means that early loading code
* is not handled by our debug code, but that's not a big deal.
*/
errors_init (gimp, full_prog_name, use_debug_handler,
stack_trace_mode, backtrace_file);
/* run the late-stage sanity check. it's important that this check is run
* after the call to language_init() (see comment in sanity_check_late().)
*/
abort_message = sanity_check_late ();
if (abort_message)
app_abort (no_interface, abort_message);
/* initialize lowlevel stuff */
gimp_gegl_init (gimp);
/* Connect our restore_after callback before gui_init() connects
* theirs, so ours runs first and can grab the initial monitor
* before the GUI's restore_after callback resets it.
*/
g_signal_connect_after (gimp, "restore",
G_CALLBACK (app_restore_after_callback),
NULL);
#ifndef GIMP_CONSOLE_COMPILATION
if (! no_interface)
update_status_func = gui_init (gimp, no_splash);
#endif
if (! update_status_func)
update_status_func = app_init_update_noop;
/* Create all members of the global Gimp instance which need an already
* parsed gimprc, e.g. the data factories
*/
gimp_initialize (gimp, update_status_func);
/* Load all data files
*/
gimp_restore (gimp, update_status_func, &font_error);
/* enable autosave late so we don't autosave when the
* monitor resolution is set in gui_init()
*/
gimp_rc_set_autosave (GIMP_RC (gimp->edit_config), TRUE);
loop = run_loop = g_main_loop_new (NULL, FALSE);
g_signal_connect_after (gimp, "exit",
G_CALLBACK (app_exit_after_callback),
&run_loop);
#ifndef GIMP_CONSOLE_COMPILATION
if (run_loop && ! no_interface)
{
/* Before opening images from command line, check for salvaged images
* and query interactively to know if we should recover or discard
* them.
*/
GList *recovered_files;
GList *iter;
recovered_files = errors_recovered ();
if (recovered_files &&
gui_recover (g_list_length (recovered_files)))
{
for (iter = recovered_files; iter; iter = iter->next)
{
GFile *file;
GimpImage *image;
GError *error = NULL;
GimpPDBStatusType status;
file = g_file_new_for_path (iter->data);
image = file_open_with_display (gimp,
gimp_get_user_context (gimp),
NULL,
file, as_new,
initial_monitor,
&status, &error);
if (image)
{
/* Break ties with the backup directory. */
gimp_image_set_file (image, NULL);
/* One of the rare exceptions where we should call
* gimp_image_dirty() directly instead of creating
* an undo. We want the image to be dirty from
* scratch, without anything to undo.
*/
gimp_image_dirty (image, GIMP_DIRTY_IMAGE);
}
else
{
g_error_free (error);
}
g_object_unref (file);
}
}
/* Delete backup XCF images. */
for (iter = recovered_files; iter; iter = iter->next)
{
g_unlink (iter->data);
}
g_list_free_full (recovered_files, g_free);
}
#endif
/* Load the images given on the command-line. */
if (filenames)
{
gint i;
for (i = 0; filenames[i] != NULL; i++)
{
if (run_loop)
{
GFile *file = g_file_new_for_commandline_arg (filenames[i]);
file_open_from_command_line (gimp, file, as_new,
initial_monitor);
g_object_unref (file);
}
}
}
if (font_error)
{
gimp_message_literal (gimp, NULL,
GIMP_MESSAGE_INFO,
font_error->message);
g_error_free (font_error);
}
if (run_loop)
gimp_batch_run (gimp, batch_interpreter, batch_commands);
if (run_loop)
{
gimp_threads_leave (gimp);
g_main_loop_run (loop);
gimp_threads_enter (gimp);
}
if (gimp->be_verbose)
g_print ("EXIT: %s\n", G_STRFUNC);
g_main_loop_unref (loop);
gimp_gegl_exit (gimp);
errors_exit ();
g_object_unref (gimp);
gimp_debug_instances ();
gegl_exit ();
}
/* private functions */
static void
app_init_update_noop (const gchar *text1,
const gchar *text2,
gdouble percentage)
{
/* deliberately do nothing */
}
static void
app_restore_after_callback (Gimp *gimp,
GimpInitStatusFunc status_callback)
{
gint dummy;
/* Getting the display name for a -1 display returns the initial
* monitor during startup. Need to call this from a restore_after
* callback, because before restore(), the GUI can't return anything,
* after after restore() the initial monitor gets reset.
*/
g_free (gimp_get_display_name (gimp, -1, &initial_monitor, &dummy));
}
static gboolean
app_exit_after_callback (Gimp *gimp,
gboolean kill_it,
GMainLoop **loop)
{
if (gimp->be_verbose)
g_print ("EXIT: %s\n", G_STRFUNC);
/*
* In stable releases, we simply call exit() here. This speeds up
* the process of quitting GIMP and also works around the problem
* that plug-ins might still be running.
*
* In unstable releases, we shut down GIMP properly in an attempt
* to catch possible problems in our finalizers.
*/
#ifdef GIMP_UNSTABLE
if (g_main_loop_is_running (*loop))
g_main_loop_quit (*loop);
*loop = NULL;
#else
gimp_gegl_exit (gimp);
gegl_exit ();
exit (EXIT_SUCCESS);
#endif
return FALSE;
}