gimp/app/unique.c

305 lines
9.0 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 <gdk-pixbuf/gdk-pixbuf.h>
#ifdef G_OS_WIN32
#include <windows.h>
#endif
#include "core/core-types.h"
#ifndef GIMP_CONSOLE_COMPILATION
/* for the DBus service names */
#include "gui/gimpdbusservice.h"
#endif
#include "unique.h"
static gboolean gimp_unique_dbus_open (const gchar **filenames,
gboolean as_new);
#ifdef G_OS_WIN32
static gboolean gimp_unique_win32_open (const gchar **filenames,
gboolean as_new);
#endif
static gboolean gimp_unique_dbus_batch_run (const gchar *batch_interpreter,
const gchar **batch_commands);
gboolean
gimp_unique_open (const gchar **filenames,
gboolean as_new)
{
#ifdef G_OS_WIN32
return gimp_unique_win32_open (filenames, as_new);
#elif defined (PLATFORM_OSX)
/* Opening files through "Open with" from other software is likely handled
* instead by gui_unique_quartz_init() by gtkosx signal handling.
*
* Opening files through command lines will always create new process, because
* dbus is usually not installed by default on macOS (and when it is, it may
* not work properly). See !808 and #8997.
*/
return FALSE;
#else
return gimp_unique_dbus_open (filenames, as_new);
#endif
}
gboolean
gimp_unique_batch_run (const gchar *batch_interpreter,
const gchar **batch_commands)
{
#ifdef G_OS_WIN32
g_printerr ("Batch commands cannot be run in existing instance in Win32.\n");
return FALSE;
#elif defined (PLATFORM_OSX)
/* Running batch commands through command lines will always run in the new
* process, because dbus is usually not installed by default on macOS (and
* when it is, it may not work properly). See !808 and #8997.
*/
return FALSE;
#else
return gimp_unique_dbus_batch_run (batch_interpreter,
batch_commands);
#endif
}
static gboolean
gimp_unique_dbus_open (const gchar **filenames,
gboolean as_new)
{
#ifndef GIMP_CONSOLE_COMPILATION
GDBusConnection *connection;
GError *error = NULL;
connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
if (connection)
{
gboolean success = TRUE;
if (filenames)
{
const gchar *method = as_new ? "OpenAsNew" : "Open";
gchar *cwd = g_get_current_dir ();
gint i;
for (i = 0; filenames[i] && success; i++)
{
GFile *file;
file = g_file_new_for_commandline_arg_and_cwd (filenames[i], cwd);
if (file)
{
GVariant *result;
gchar *uri = g_file_get_uri (file);
result = g_dbus_connection_call_sync (connection,
GIMP_DBUS_SERVICE_NAME,
GIMP_DBUS_SERVICE_PATH,
GIMP_DBUS_INTERFACE_NAME,
method,
g_variant_new ("(s)",
uri),
NULL,
G_DBUS_CALL_FLAGS_NO_AUTO_START,
-1,
NULL, NULL);
g_free (uri);
if (result)
g_variant_unref (result);
else
success = FALSE;
g_object_unref (file);
}
else
{
g_printerr ("conversion to uri failed for '%s'\n",
filenames[i]);
}
}
g_free (cwd);
}
else
{
GVariant *result;
result = g_dbus_connection_call_sync (connection,
GIMP_DBUS_SERVICE_NAME,
GIMP_DBUS_SERVICE_PATH,
GIMP_DBUS_INTERFACE_NAME,
"Activate",
NULL,
NULL,
G_DBUS_CALL_FLAGS_NO_AUTO_START,
-1,
NULL, NULL);
if (result)
g_variant_unref (result);
else
success = FALSE;
}
g_object_unref (connection);
return success;
}
else
{
g_printerr ("%s\n", error->message);
g_clear_error (&error);
}
#endif
return FALSE;
}
#ifdef G_OS_WIN32
static gboolean
gimp_unique_win32_open (const gchar **filenames,
gboolean as_new)
{
#ifndef GIMP_CONSOLE_COMPILATION
/* for the proxy window names */
#include "gui/gui-unique.h"
HWND window_handle = FindWindowW (GIMP_UNIQUE_WIN32_WINDOW_CLASS,
GIMP_UNIQUE_WIN32_WINDOW_NAME);
if (window_handle)
{
COPYDATASTRUCT copydata = { 0, };
if (filenames)
{
gchar *cwd = g_get_current_dir ();
gint i;
for (i = 0; filenames[i]; i++)
{
GFile *file;
file = g_file_new_for_commandline_arg_and_cwd (filenames[i], cwd);
if (file)
{
gchar *uri = g_file_get_uri (file);
copydata.lpData = uri;
copydata.cbData = strlen (uri) + 1; /* size in bytes */
copydata.dwData = (long) as_new;
SendMessage (window_handle,
WM_COPYDATA, (WPARAM) window_handle, (LPARAM) &copydata);
g_free (uri);
g_object_unref (file);
}
else
{
g_printerr ("conversion to uri failed for '%s'\n",
filenames[i]);
}
}
g_free (cwd);
}
else
{
SendMessage (window_handle,
WM_COPYDATA, (WPARAM) window_handle, (LPARAM) &copydata);
}
return TRUE;
}
#endif
return FALSE;
}
#endif /* G_OS_WIN32 */
static gboolean
gimp_unique_dbus_batch_run (const gchar *batch_interpreter,
const gchar **batch_commands)
{
#ifndef GIMP_CONSOLE_COMPILATION
GDBusConnection *connection;
GError *error = NULL;
connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
if (connection)
{
const gchar *method = "BatchRun";
gboolean success = TRUE;
gint i;
for (i = 0; batch_commands[i] && success; i++)
{
GVariant *result;
const gchar *interpreter;
/* NULL is not a valid string GVariant. */
interpreter = batch_interpreter ? batch_interpreter : "";
result = g_dbus_connection_call_sync (connection,
GIMP_DBUS_SERVICE_NAME,
GIMP_DBUS_SERVICE_PATH,
GIMP_DBUS_INTERFACE_NAME,
method,
g_variant_new ("(ss)",
interpreter,
batch_commands[i]),
NULL,
G_DBUS_CALL_FLAGS_NO_AUTO_START,
-1,
NULL, NULL);
if (result)
g_variant_unref (result);
else
success = FALSE;
}
g_object_unref (connection);
return success;
}
else
{
g_printerr ("%s\n", error->message);
g_clear_error (&error);
}
#endif
return FALSE;
}