gimp/app/widgets/gimpcontrollerlist.c

/* The GIMP -- an image manipulation program
 * Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
 *
 * gimpcontrollerlist.c
 * Copyright (C) 2005 Michael Natterer <mitch@gimp.org>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "config.h"

#include <string.h>

#include <gtk/gtk.h>

#include "libgimpwidgets/gimpwidgets.h"

#define GIMP_ENABLE_CONTROLLER_UNDER_CONSTRUCTION
#include "libgimpwidgets/gimpcontroller.h"

#include "widgets-types.h"

#include "core/gimp.h"
#include "core/gimpcontainer.h"

#include "gimpcontainertreeview.h"
#include "gimpcontrollereditor.h"
#include "gimpcontrollerlist.h"
#include "gimpcontrollerinfo.h"
#include "gimpcontrollerkeyboard.h"
#include "gimpcontrollerwheel.h"
#include "gimpcontrollers.h"
#include "gimpdialogfactory.h"
#include "gimphelp-ids.h"
#include "gimppropwidgets.h"
#include "gimpuimanager.h"
#include "gimpviewabledialog.h"

#include "gimp-intl.h"


enum
{
  PROP_0,
  PROP_GIMP
};

enum
{
  COLUMN_ICON,
  COLUMN_NAME,
  COLUMN_TYPE,
  NUM_COLUMNS
};


static void gimp_controller_list_class_init (GimpControllerListClass *klass);
static void gimp_controller_list_init       (GimpControllerList      *list);

static GObject * gimp_controller_list_constructor (GType               type,
                                                   guint               n_params,
                                                   GObjectConstructParam *params);
static void gimp_controller_list_set_property    (GObject            *object,
                                                  guint               property_id,
                                                  const GValue       *value,
                                                  GParamSpec         *pspec);
static void gimp_controller_list_get_property    (GObject            *object,
                                                  guint               property_id,
                                                  GValue             *value,
                                                  GParamSpec         *pspec);

static void gimp_controller_list_finalize        (GObject            *object);

static void gimp_controller_list_src_sel_changed (GtkTreeSelection   *sel,
                                                  GimpControllerList *list);
static void gimp_controller_list_row_activated   (GtkTreeView        *tv,
                                                  GtkTreePath        *path,
                                                  GtkTreeViewColumn  *column,
                                                  GimpControllerList *list);

static void gimp_controller_list_select_item     (GimpContainerView  *view,
                                                  GimpViewable       *viewable,
                                                  gpointer            insert_data,
                                                  GimpControllerList *list);
static void gimp_controller_list_activate_item   (GimpContainerView  *view,
                                                  GimpViewable       *viewable,
                                                  gpointer            insert_data,
                                                  GimpControllerList *list);

static void gimp_controller_list_add_clicked     (GtkWidget          *button,
                                                  GimpControllerList *list);
static void gimp_controller_list_remove_clicked  (GtkWidget          *button,
                                                  GimpControllerList *list);

static void gimp_controller_list_edit_clicked    (GtkWidget          *button,
                                                  GimpControllerList *list);
static void gimp_controller_list_edit_destroy    (GtkWidget          *widget,
                                                  GimpControllerInfo *info);


static GtkVBoxClass *parent_class = NULL;


GType
gimp_controller_list_get_type (void)
{
  static GType view_type = 0;

  if (! view_type)
    {
      static const GTypeInfo view_info =
      {
        sizeof (GimpControllerListClass),
        NULL,           /* base_init      */
        NULL,           /* base_finalize  */
        (GClassInitFunc) gimp_controller_list_class_init,
        NULL,           /* class_finalize */
        NULL,           /* class_data     */
        sizeof (GimpControllerList),
        0,              /* n_preallocs    */
        (GInstanceInitFunc) gimp_controller_list_init
      };

      view_type = g_type_register_static (GTK_TYPE_VBOX,
                                          "GimpControllerList",
                                          &view_info, 0);
    }

  return view_type;
}

static void
gimp_controller_list_class_init (GimpControllerListClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);

  parent_class = g_type_class_peek_parent (klass);

  object_class->constructor  = gimp_controller_list_constructor;
  object_class->set_property = gimp_controller_list_set_property;
  object_class->get_property = gimp_controller_list_get_property;
  object_class->finalize     = gimp_controller_list_finalize;

  g_object_class_install_property (object_class, PROP_GIMP,
                                   g_param_spec_object ("gimp",
                                                        NULL, NULL,
                                                        GIMP_TYPE_GIMP,
                                                        G_PARAM_READWRITE |
                                                        G_PARAM_CONSTRUCT_ONLY));
}

static void
gimp_controller_list_init (GimpControllerList *list)
{
  GtkWidget         *hbox;
  GtkWidget         *sw;
  GtkWidget         *tv;
  GtkTreeViewColumn *column;
  GtkCellRenderer   *cell;
  GtkWidget         *vbox;
  GtkWidget         *image;
  GType             *controller_types;
  gint               n_controller_types;
  gint               i;

  list->gimp = NULL;

  list->hbox = hbox = gtk_hbox_new (FALSE, 6);
  gtk_box_pack_start (GTK_BOX (list), hbox, TRUE, TRUE, 0);
  gtk_widget_show (hbox);

  sw = gtk_scrolled_window_new (NULL, NULL);
  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
                                       GTK_SHADOW_IN);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
				  GTK_POLICY_AUTOMATIC,
				  GTK_POLICY_AUTOMATIC);
  gtk_box_pack_start (GTK_BOX (hbox), sw, TRUE, TRUE, 0);
  gtk_widget_show (sw);

  list->src = gtk_list_store_new (NUM_COLUMNS,
                                  G_TYPE_STRING,
                                  G_TYPE_STRING,
                                  G_TYPE_POINTER);
  tv = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list->src));
  g_object_unref (list->src);

  gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW (tv), FALSE);

  column = gtk_tree_view_column_new ();
  gtk_tree_view_column_set_title (column, _("Available Controllers"));
  gtk_tree_view_append_column (GTK_TREE_VIEW (tv), column);

  cell = gtk_cell_renderer_pixbuf_new ();
  gtk_tree_view_column_pack_start (column, cell, FALSE);
  gtk_tree_view_column_set_attributes (column, cell,
                                       "stock-id", COLUMN_ICON,
                                       NULL);

  cell = gtk_cell_renderer_text_new ();
  gtk_tree_view_column_pack_start (column, cell, TRUE);
  gtk_tree_view_column_set_attributes (column, cell,
                                       "text", COLUMN_NAME,
                                       NULL);

  gtk_container_add (GTK_CONTAINER (sw), tv);
  gtk_widget_show (tv);

  g_signal_connect_object (tv, "row-activated",
                           G_CALLBACK (gimp_controller_list_row_activated),
                           G_OBJECT (list), 0);

  list->src_sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (tv));
  gtk_tree_selection_set_mode (list->src_sel, GTK_SELECTION_BROWSE);

  g_signal_connect_object (list->src_sel, "changed",
                           G_CALLBACK (gimp_controller_list_src_sel_changed),
                           G_OBJECT (list), 0);

  controller_types = g_type_children (GIMP_TYPE_CONTROLLER,
                                      &n_controller_types);

  for (i = 0; i < n_controller_types; i++)
    {
      GimpControllerClass *controller_class;
      GtkTreeIter          iter;

      controller_class = g_type_class_ref (controller_types[i]);

      gtk_list_store_append (list->src, &iter);
      gtk_list_store_set (list->src, &iter,
                          COLUMN_ICON, "foobar",
                          COLUMN_NAME, controller_class->name,
                          COLUMN_TYPE, controller_types[i],
                          -1);

      g_type_class_unref (controller_class);
    }

  vbox = gtk_vbox_new (TRUE, 0);
  gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
  gtk_widget_show (vbox);

  list->add_button = gtk_button_new ();
  gtk_box_pack_start (GTK_BOX (vbox), list->add_button, TRUE, FALSE, 0);
  gtk_widget_set_sensitive (list->add_button, FALSE);
  gtk_widget_show (list->add_button);

  image = gtk_image_new_from_stock (GTK_STOCK_GO_FORWARD, GTK_ICON_SIZE_BUTTON);
  gtk_container_add (GTK_CONTAINER (list->add_button), image);
  gtk_widget_show (image);

  gimp_help_set_help_data (list->add_button,
                           _("Create a controller of the selected type."),
                           NULL);

  g_signal_connect (list->add_button, "clicked",
                    G_CALLBACK (gimp_controller_list_add_clicked),
                    list);

  g_object_add_weak_pointer (G_OBJECT (list->add_button),
                             (gpointer) &list->add_button);

  list->remove_button = gtk_button_new ();
  gtk_box_pack_start (GTK_BOX (vbox), list->remove_button, TRUE, FALSE, 0);
  gtk_widget_set_sensitive (list->remove_button, FALSE);
  gtk_widget_show (list->remove_button);

  image = gtk_image_new_from_stock (GTK_STOCK_GO_BACK, GTK_ICON_SIZE_BUTTON);
  gtk_container_add (GTK_CONTAINER (list->remove_button), image);
  gtk_widget_show (image);

  gimp_help_set_help_data (list->remove_button,
                           _("Remove the selected filter from the list of "
                             "active filters."), NULL);

  g_signal_connect (list->remove_button, "clicked",
                    G_CALLBACK (gimp_controller_list_remove_clicked),
                    list);

  g_object_add_weak_pointer (G_OBJECT (list->remove_button),
                             (gpointer) &list->remove_button);
}

static GObject *
gimp_controller_list_constructor (GType                  type,
                                  guint                  n_params,
                                  GObjectConstructParam *params)
{
  GObject            *object;
  GimpControllerList *list;

  object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);

  list = GIMP_CONTROLLER_LIST (object);

  g_assert (GIMP_IS_GIMP (list->gimp));

  list->dest =
    gimp_container_tree_view_new (gimp_controllers_get_list (list->gimp),
                                  NULL,
                                  GIMP_VIEW_SIZE_SMALL, 0);
  gtk_tree_view_column_set_title (GIMP_CONTAINER_TREE_VIEW (list->dest)->main_column,
                                  _("Active Controllers"));
  gtk_tree_view_set_headers_visible (GIMP_CONTAINER_TREE_VIEW (list->dest)->view,
                                     TRUE);
  gtk_box_pack_start (GTK_BOX (list->hbox), list->dest, TRUE, TRUE, 0);
  gtk_widget_show (list->dest);

  g_signal_connect_object (list->dest, "select-item",
                           G_CALLBACK (gimp_controller_list_select_item),
                           G_OBJECT (list), 0);
  g_signal_connect_object (list->dest, "activate-item",
                           G_CALLBACK (gimp_controller_list_activate_item),
                           G_OBJECT (list), 0);

  list->edit_button =
    gimp_editor_add_button (GIMP_EDITOR (list->dest),
                            GIMP_STOCK_EDIT,
                            _("Configure the selected controller"),
                            NULL,
                            G_CALLBACK (gimp_controller_list_edit_clicked),
                            NULL,
                            list);
  gtk_widget_set_sensitive (list->edit_button, FALSE);

  return object;
}

static void
gimp_controller_list_set_property (GObject      *object,
                                   guint         property_id,
                                   const GValue *value,
                                   GParamSpec   *pspec)
{
  GimpControllerList *list = GIMP_CONTROLLER_LIST (object);

  switch (property_id)
    {
    case PROP_GIMP:
      list->gimp = GIMP (g_value_dup_object (value));
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
    }
}

static void
gimp_controller_list_get_property (GObject    *object,
                                   guint       property_id,
                                   GValue     *value,
                                   GParamSpec *pspec)
{
  GimpControllerList *list = GIMP_CONTROLLER_LIST (object);

  switch (property_id)
    {
    case PROP_GIMP:
      g_value_set_object (value, list->gimp);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
    }
}

static void
gimp_controller_list_finalize (GObject *object)
{
  GimpControllerList *list = GIMP_CONTROLLER_LIST (object);

  if (list->gimp)
    {
      g_object_unref (list->gimp);
      list->gimp = NULL;
    }

  G_OBJECT_CLASS (parent_class)->finalize (object);
}


/*  public functions  */

GtkWidget *
gimp_controller_list_new (Gimp *gimp)
{
  g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);

  return g_object_new (GIMP_TYPE_CONTROLLER_LIST,
                       "gimp", gimp,
                       NULL);
}


/*  private functions  */

static void
gimp_controller_list_src_sel_changed (GtkTreeSelection   *sel,
                                      GimpControllerList *list)
{
  GtkTreeModel *model;
  GtkTreeIter   iter;

  if (gtk_tree_selection_get_selected (sel, &model, &iter))
    {
      gtk_tree_model_get (model, &iter,
                          COLUMN_TYPE, &list->src_gtype,
                          -1);

      if (list->add_button)
        gtk_widget_set_sensitive (list->add_button, TRUE);
    }
  else
    {
      if (list->add_button)
        gtk_widget_set_sensitive (list->add_button, FALSE);
    }
}

static void
gimp_controller_list_row_activated (GtkTreeView        *tv,
                                    GtkTreePath        *path,
                                    GtkTreeViewColumn  *column,
                                    GimpControllerList *list)
{
  if (GTK_WIDGET_IS_SENSITIVE (list->add_button))
    gtk_button_clicked (GTK_BUTTON (list->add_button));
}

static void
gimp_controller_list_select_item (GimpContainerView  *view,
                                  GimpViewable       *viewable,
                                  gpointer            insert_data,
                                  GimpControllerList *list)
{
  list->dest_info = GIMP_CONTROLLER_INFO (viewable);

  if (list->remove_button)
    gtk_widget_set_sensitive (list->remove_button,
                              GIMP_IS_CONTROLLER_INFO (list->dest_info));

  if (list->edit_button)
    gtk_widget_set_sensitive (list->edit_button,
                              GIMP_IS_CONTROLLER_INFO (list->dest_info));
}

static void
gimp_controller_list_activate_item (GimpContainerView  *view,
                                    GimpViewable       *viewable,
                                    gpointer            insert_data,
                                    GimpControllerList *list)
{
  if (GTK_WIDGET_IS_SENSITIVE (list->edit_button))
    gtk_button_clicked (GTK_BUTTON (list->edit_button));
}

static void
gimp_controller_list_add_clicked (GtkWidget          *button,
                                  GimpControllerList *list)
{
  GimpControllerInfo *info;
  GimpContainer      *container;

  if (list->src_gtype == GIMP_TYPE_CONTROLLER_KEYBOARD &&
      gimp_controllers_get_keyboard (list->gimp) != NULL)
    {
      g_message (_("There can only be one active keyboard controller.\n\n"
                   "You already have a keyboard controller in your list "
                   "of active controllers."));
      return;
    }
  else if (list->src_gtype == GIMP_TYPE_CONTROLLER_WHEEL &&
           gimp_controllers_get_wheel (list->gimp) != NULL)
    {
      g_message (_("There can only be one active wheel controller.\n\n"
                   "You already have a wheel controller in your list "
                   "of active controllers."));
      return;
    }

  info = gimp_controller_info_new (list->src_gtype);
  container = gimp_controllers_get_list (list->gimp);
  gimp_container_add (container, GIMP_OBJECT (info));
  g_object_unref (info);
}

static void
gimp_controller_list_remove_clicked (GtkWidget          *button,
                                     GimpControllerList *list)
{
  g_message ("TODO: implement remove");
}

static void
gimp_controller_list_edit_clicked (GtkWidget          *button,
                                   GimpControllerList *list)
{
  GtkWidget *dialog;
  GtkWidget *editor;

  dialog = g_object_get_data (G_OBJECT (list->dest_info),
                              "gimp-controller-editor");

  if (dialog)
    {
      gtk_window_present (GTK_WINDOW (dialog));
      return;
    }

  dialog = gimp_viewable_dialog_new (GIMP_VIEWABLE (list->dest_info),
                                     _("Configure Controller"),
                                     "gimp-controller-editor",
                                     GIMP_STOCK_EDIT,
                                     _("Configure Input Controller"),
                                     GTK_WIDGET (list),
                                     gimp_standard_help_func,
                                     "FIXME",

                                     GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,

                                     NULL);

  g_signal_connect (dialog, "response",
                    G_CALLBACK (gtk_widget_destroy),
                    NULL);

  editor = gimp_controller_editor_new (list->dest_info);
  gtk_container_set_border_width (GTK_CONTAINER (editor), 12);
  gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), editor);
  gtk_widget_show (editor);

  g_object_set_data (G_OBJECT (list->dest_info), "gimp-controller-editor",
                     dialog);

  g_signal_connect_object (dialog, "destroy",
                           G_CALLBACK (gimp_controller_list_edit_destroy),
                           G_OBJECT (list->dest_info), 0);

  gtk_widget_show (dialog);
}

static void
gimp_controller_list_edit_destroy (GtkWidget          *widget,
                                   GimpControllerInfo *info)
{
  g_object_set_data (G_OBJECT (info), "gimp-controller-editor", NULL);
}