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gimp/app/widgets/gimpfileprocview.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpfileprocview.c
* Copyright (C) 2004 Sven Neumann <sven@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 "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpmarshal.h"
#include "plug-in/gimppluginprocedure.h"
#include "gimpfileprocview.h"
#include "gimp-intl.h"
enum
{
COLUMN_PROC,
COLUMN_LABEL,
COLUMN_EXTENSIONS,
COLUMN_HELP_ID,
NUM_COLUMNS
};
enum
{
CHANGED,
LAST_SIGNAL
};
static void gimp_file_proc_view_finalize (GObject *object);
static void gimp_file_proc_view_selection_changed (GtkTreeSelection *selection,
GimpFileProcView *view);
G_DEFINE_TYPE (GimpFileProcView, gimp_file_proc_view, GTK_TYPE_TREE_VIEW)
#define parent_class gimp_file_proc_view_parent_class
static guint view_signals[LAST_SIGNAL] = { 0 };
static void
gimp_file_proc_view_class_init (GimpFileProcViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gimp_file_proc_view_finalize;
klass->changed = NULL;
view_signals[CHANGED] = g_signal_new ("changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GimpFileProcViewClass,
changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
gimp_file_proc_view_init (GimpFileProcView *view)
{
}
static void
gimp_file_proc_view_finalize (GObject *object)
{
GimpFileProcView *view = GIMP_FILE_PROC_VIEW (object);
if (view->meta_extensions)
{
g_list_foreach (view->meta_extensions, (GFunc) g_free, NULL);
g_list_free (view->meta_extensions);
view->meta_extensions = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
GtkWidget *
gimp_file_proc_view_new (Gimp *gimp,
GSList *procedures,
const gchar *automatic,
const gchar *automatic_help_id)
{
GtkTreeView *view;
GtkTreeViewColumn *column;
GtkCellRenderer *cell;
GtkListStore *store;
GSList *list;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
store = gtk_list_store_new (NUM_COLUMNS,
GIMP_TYPE_PLUG_IN_PROCEDURE, /* COLUMN_PROC */
G_TYPE_STRING, /* COLUMN_LABEL */
G_TYPE_STRING, /* COLUMN_EXTENSIONS */
G_TYPE_STRING); /* COLUMN_HELP_ID */
view = g_object_new (GIMP_TYPE_FILE_PROC_VIEW,
"model", store,
"rules-hint", TRUE,
NULL);
g_object_unref (store);
for (list = procedures; list; list = g_slist_next (list))
{
GimpPlugInProcedure *proc = list->data;
if (! proc->prefixes_list) /* skip URL loaders */
{
const gchar *label = gimp_plug_in_procedure_get_label (proc);
gchar *help_id = gimp_plug_in_procedure_get_help_id (proc);
GSList *list2;
if (label)
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
COLUMN_PROC, proc,
COLUMN_LABEL, label,
COLUMN_EXTENSIONS, proc->extensions,
COLUMN_HELP_ID, help_id,
-1);
}
g_free (help_id);
for (list2 = proc->extensions_list;
list2;
list2 = g_slist_next (list2))
{
GimpFileProcView *proc_view = GIMP_FILE_PROC_VIEW (view);
const gchar *ext = list2->data;
const gchar *dot = strchr (ext, '.');
if (dot && dot != ext)
proc_view->meta_extensions =
g_list_append (proc_view->meta_extensions,
g_strdup (dot + 1));
}
}
}
if (automatic)
{
gtk_list_store_prepend (store, &iter);
gtk_list_store_set (store, &iter,
COLUMN_PROC, NULL,
COLUMN_LABEL, automatic,
COLUMN_HELP_ID, automatic_help_id,
-1);
}
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, _("File Type"));
gtk_tree_view_column_set_expand (column, TRUE);
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_LABEL,
NULL);
gtk_tree_view_append_column (view, column);
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, _("Extensions"));
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_EXTENSIONS,
NULL);
gtk_tree_view_append_column (view, column);
g_signal_connect (gtk_tree_view_get_selection (view), "changed",
G_CALLBACK (gimp_file_proc_view_selection_changed),
view);
return GTK_WIDGET (view);
}
GimpPlugInProcedure *
gimp_file_proc_view_get_proc (GimpFileProcView *view,
gchar **label)
{
GtkTreeModel *model;
GtkTreeSelection *selection;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
GimpPlugInProcedure *proc;
if (label)
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &proc,
COLUMN_LABEL, label,
-1);
else
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &proc,
-1);
if (proc)
g_object_unref (proc);
return proc;
}
if (label)
*label = NULL;
return NULL;
}
gboolean
gimp_file_proc_view_set_proc (GimpFileProcView *view,
GimpPlugInProcedure *proc)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean iter_valid;
g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), FALSE);
model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
GimpPlugInProcedure *this;
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &this,
-1);
if (this)
g_object_unref (this);
if (this == proc)
break;
}
if (iter_valid)
{
GtkTreeSelection *selection;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
gtk_tree_selection_select_iter (selection, &iter);
}
return iter_valid;
}
gchar *
gimp_file_proc_view_get_help_id (GimpFileProcView *view)
{
GtkTreeModel *model;
GtkTreeSelection *selection;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
gchar *help_id;
gtk_tree_model_get (model, &iter,
COLUMN_HELP_ID, &help_id,
-1);
return help_id;
}
return NULL;
}
static void
gimp_file_proc_view_selection_changed (GtkTreeSelection *selection,
GimpFileProcView *view)
{
g_signal_emit (view, view_signals[CHANGED], 0);
}
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