mirror of https://github.com/GNOME/gimp.git
406 lines
13 KiB
C
406 lines
13 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpdevicemanager.c
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* Copyright (C) 2011 Michael Natterer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#undef GSEAL_ENABLE
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "widgets-types.h"
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#include "config/gimpguiconfig.h"
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#include "core/gimp.h"
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#include "core/gimpmarshal.h"
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#include "gimpdeviceinfo.h"
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#include "gimpdevicemanager.h"
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enum
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{
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PROP_0,
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PROP_GIMP,
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PROP_CURRENT_DEVICE
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};
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typedef struct _GimpDeviceManagerPrivate GimpDeviceManagerPrivate;
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struct _GimpDeviceManagerPrivate
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{
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Gimp *gimp;
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GimpDeviceInfo *current_device;
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};
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#define GET_PRIVATE(manager) \
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G_TYPE_INSTANCE_GET_PRIVATE (manager, \
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GIMP_TYPE_DEVICE_MANAGER, \
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GimpDeviceManagerPrivate)
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static void gimp_device_manager_constructed (GObject *object);
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static void gimp_device_manager_dispose (GObject *object);
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static void gimp_device_manager_finalize (GObject *object);
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static void gimp_device_manager_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_device_manager_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gimp_device_manager_display_opened (GdkDisplayManager *disp_manager,
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GdkDisplay *display,
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GimpDeviceManager *manager);
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static void gimp_device_manager_display_closed (GdkDisplay *display,
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gboolean is_error,
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GimpDeviceManager *manager);
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static void gimp_device_manager_device_added (GdkDisplay *gdk_display,
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GdkDevice *device,
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GimpDeviceManager *manager);
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static void gimp_device_manager_device_removed (GdkDisplay *gdk_display,
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GdkDevice *device,
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GimpDeviceManager *manager);
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static void gimp_device_manager_config_notify (GimpGuiConfig *config,
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const GParamSpec *pspec,
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GimpDeviceManager *manager);
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G_DEFINE_TYPE (GimpDeviceManager, gimp_device_manager, GIMP_TYPE_LIST)
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#define parent_class gimp_device_manager_parent_class
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static void
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gimp_device_manager_class_init (GimpDeviceManagerClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = gimp_device_manager_constructed;
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object_class->dispose = gimp_device_manager_dispose;
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object_class->finalize = gimp_device_manager_finalize;
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object_class->set_property = gimp_device_manager_set_property;
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object_class->get_property = gimp_device_manager_get_property;
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g_object_class_install_property (object_class, PROP_GIMP,
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g_param_spec_object ("gimp",
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NULL, NULL,
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GIMP_TYPE_GIMP,
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GIMP_PARAM_STATIC_STRINGS |
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_CURRENT_DEVICE,
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g_param_spec_object ("current-device",
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NULL, NULL,
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GIMP_TYPE_DEVICE_INFO,
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GIMP_PARAM_STATIC_STRINGS |
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G_PARAM_READABLE));
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g_type_class_add_private (object_class, sizeof (GimpDeviceManagerPrivate));
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}
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static void
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gimp_device_manager_init (GimpDeviceManager *manager)
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{
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}
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static void
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gimp_device_manager_constructed (GObject *object)
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{
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GimpDeviceManager *manager = GIMP_DEVICE_MANAGER (object);
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GimpDeviceManagerPrivate *private = GET_PRIVATE (object);
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GdkDisplayManager *disp_manager;
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GSList *displays;
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GSList *list;
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GdkDisplay *display;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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g_assert (GIMP_IS_GIMP (private->gimp));
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disp_manager = gdk_display_manager_get ();
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displays = gdk_display_manager_list_displays (disp_manager);
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/* present displays in the order in which they were opened */
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displays = g_slist_reverse (displays);
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for (list = displays; list; list = g_slist_next (list))
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{
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gimp_device_manager_display_opened (disp_manager, list->data, manager);
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}
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g_slist_free (displays);
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g_signal_connect (disp_manager, "display-opened",
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G_CALLBACK (gimp_device_manager_display_opened),
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manager);
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display = gdk_display_get_default ();
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private->current_device =
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gimp_device_info_get_by_device (gdk_display_get_core_pointer (display));
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g_signal_connect_object (private->gimp->config, "notify::devices-share-tool",
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G_CALLBACK (gimp_device_manager_config_notify),
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manager, 0);
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}
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static void
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gimp_device_manager_dispose (GObject *object)
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{
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g_signal_handlers_disconnect_by_func (gdk_display_manager_get (),
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gimp_device_manager_display_opened,
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object);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gimp_device_manager_finalize (GObject *object)
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{
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gimp_device_manager_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpDeviceManagerPrivate *private = GET_PRIVATE (object);
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switch (property_id)
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{
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case PROP_GIMP:
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private->gimp = g_value_get_object (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_device_manager_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpDeviceManagerPrivate *private = GET_PRIVATE (object);
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switch (property_id)
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{
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case PROP_GIMP:
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g_value_set_object (value, private->gimp);
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break;
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case PROP_CURRENT_DEVICE:
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g_value_set_object (value, private->current_device);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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/* public functions */
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GimpDeviceManager *
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gimp_device_manager_new (Gimp *gimp)
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{
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
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return g_object_new (GIMP_TYPE_DEVICE_MANAGER,
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"gimp", gimp,
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"children-type", GIMP_TYPE_DEVICE_INFO,
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"policy", GIMP_CONTAINER_POLICY_STRONG,
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"unique-names", FALSE,
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"sort-func", gimp_device_info_compare,
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NULL);
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}
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GimpDeviceInfo *
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gimp_device_manager_get_current_device (GimpDeviceManager *manager)
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{
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g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), NULL);
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return GET_PRIVATE (manager)->current_device;
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}
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void
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gimp_device_manager_set_current_device (GimpDeviceManager *manager,
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GimpDeviceInfo *info)
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{
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GimpDeviceManagerPrivate *private;
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GimpGuiConfig *config;
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g_return_if_fail (GIMP_IS_DEVICE_MANAGER (manager));
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g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
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private = GET_PRIVATE (manager);
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config = GIMP_GUI_CONFIG (private->gimp->config);
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if (! config->devices_share_tool)
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{
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gimp_context_set_parent (GIMP_CONTEXT (private->current_device), NULL);
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}
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private->current_device = info;
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if (! config->devices_share_tool)
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{
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GimpContext *user_context = gimp_get_user_context (private->gimp);
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gimp_context_copy_properties (GIMP_CONTEXT (info), user_context,
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GIMP_DEVICE_INFO_CONTEXT_MASK);
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gimp_context_set_parent (GIMP_CONTEXT (info), user_context);
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}
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g_object_notify (G_OBJECT (manager), "current-device");
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}
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/* private functions */
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static void
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gimp_device_manager_display_opened (GdkDisplayManager *disp_manager,
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GdkDisplay *gdk_display,
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GimpDeviceManager *manager)
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{
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GList *list;
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/* create device info structures for present devices */
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for (list = gdk_display_list_devices (gdk_display); list; list = list->next)
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{
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GdkDevice *device = list->data;
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gimp_device_manager_device_added (gdk_display, device, manager);
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}
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g_signal_connect (gdk_display, "closed",
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G_CALLBACK (gimp_device_manager_display_closed),
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manager);
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}
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static void
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gimp_device_manager_display_closed (GdkDisplay *gdk_display,
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gboolean is_error,
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GimpDeviceManager *manager)
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{
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GList *list;
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for (list = gdk_display_list_devices (gdk_display); list; list = list->next)
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{
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GdkDevice *device = list->data;
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gimp_device_manager_device_removed (gdk_display, device, manager);
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}
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}
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static void
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gimp_device_manager_device_added (GdkDisplay *gdk_display,
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GdkDevice *device,
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GimpDeviceManager *manager)
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{
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GimpDeviceManagerPrivate *private = GET_PRIVATE (manager);
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GimpDeviceInfo *device_info;
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device_info =
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GIMP_DEVICE_INFO (gimp_container_get_child_by_name (GIMP_CONTAINER (manager),
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device->name));
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if (device_info)
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{
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gimp_device_info_set_device (device_info, device, gdk_display);
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}
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else
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{
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device_info = gimp_device_info_new (private->gimp, device, gdk_display);
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gimp_device_info_set_default_tool (device_info);
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gimp_container_add (GIMP_CONTAINER (manager), GIMP_OBJECT (device_info));
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g_object_unref (device_info);
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}
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}
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static void
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gimp_device_manager_device_removed (GdkDisplay *gdk_display,
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GdkDevice *device,
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GimpDeviceManager *manager)
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{
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GimpDeviceManagerPrivate *private = GET_PRIVATE (manager);
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GimpDeviceInfo *device_info;
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device_info =
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GIMP_DEVICE_INFO (gimp_container_get_child_by_name (GIMP_CONTAINER (manager),
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device->name));
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if (device_info)
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{
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gimp_device_info_set_device (device_info, NULL, NULL);
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if (device_info == private->current_device)
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{
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device = gdk_display_get_core_pointer (gdk_display);
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device_info = gimp_device_info_get_by_device (device);
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gimp_device_manager_set_current_device (manager, device_info);
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}
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}
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}
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static void
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gimp_device_manager_config_notify (GimpGuiConfig *config,
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const GParamSpec *pspec,
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GimpDeviceManager *manager)
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{
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GimpDeviceManagerPrivate *private = GET_PRIVATE (manager);
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GimpDeviceInfo *current_device;
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current_device = gimp_device_manager_get_current_device (manager);
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if (GIMP_GUI_CONFIG (private->gimp->config)->devices_share_tool)
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{
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gimp_context_set_parent (GIMP_CONTEXT (current_device), NULL);
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}
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else
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{
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GimpContext *user_context = gimp_get_user_context (private->gimp);
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gimp_context_copy_properties (GIMP_CONTEXT (current_device), user_context,
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GIMP_DEVICE_INFO_CONTEXT_MASK);
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gimp_context_set_parent (GIMP_CONTEXT (current_device), user_context);
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}
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}
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