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gimp/app/widgets/gimpviewabledialog.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpviewabledialog.c
* Copyright (C) 2000 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 <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "file/file-utils.h"
#include "gimppreview.h"
#include "gimpviewabledialog.h"
static void gimp_viewable_dialog_class_init (GimpViewableDialogClass *klass);
static void gimp_viewable_dialog_init (GimpViewableDialog *dialog);
static void gimp_viewable_dialog_destroy (GtkObject *object);
static void gimp_viewable_dialog_name_changed (GimpObject *object,
GimpViewableDialog *dialog);
static void gimp_viewable_dialog_close (GimpViewableDialog *dialog);
static GimpDialogClass *parent_class = NULL;
GType
gimp_viewable_dialog_get_type (void)
{
static GType dialog_type = 0;
if (! dialog_type)
{
static const GTypeInfo dialog_info =
{
sizeof (GimpViewableDialogClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_viewable_dialog_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpViewableDialog),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_viewable_dialog_init,
};
dialog_type = g_type_register_static (GIMP_TYPE_DIALOG,
"GimpViewableDialog",
&dialog_info, 0);
}
return dialog_type;
}
static void
gimp_viewable_dialog_class_init (GimpViewableDialogClass *klass)
{
GtkObjectClass *object_class;
object_class = GTK_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->destroy = gimp_viewable_dialog_destroy;
}
static void
gimp_viewable_dialog_init (GimpViewableDialog *dialog)
{
GtkWidget *ebox;
GtkWidget *frame;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *sep;
ebox = gtk_event_box_new ();
gtk_widget_set_state (ebox, GTK_STATE_PRELIGHT);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), ebox,
FALSE, FALSE, 0);
gtk_widget_show (ebox);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_container_add (GTK_CONTAINER (ebox), frame);
gtk_widget_show (frame);
hbox = gtk_hbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 2);
gtk_container_add (GTK_CONTAINER (frame), hbox);
gtk_widget_show (hbox);
dialog->icon = gtk_image_new ();
gtk_misc_set_alignment (GTK_MISC (dialog->icon), 0.5, 0.0);
gtk_box_pack_start (GTK_BOX (hbox), dialog->icon, FALSE, FALSE, 0);
gtk_widget_show (dialog->icon);
sep = gtk_vseparator_new ();
gtk_box_pack_start (GTK_BOX (hbox), sep, FALSE, FALSE, 0);
gtk_widget_show (sep);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (hbox), vbox);
gtk_widget_show (vbox);
dialog->desc_label = gtk_label_new (NULL);
gtk_misc_set_alignment (GTK_MISC (dialog->desc_label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox), dialog->desc_label, FALSE, FALSE, 0);
gtk_widget_show (dialog->desc_label);
dialog->viewable_label = gtk_label_new (NULL);
gtk_misc_set_alignment (GTK_MISC (dialog->viewable_label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox), dialog->viewable_label, FALSE, FALSE, 0);
gtk_widget_show (dialog->viewable_label);
}
static void
gimp_viewable_dialog_destroy (GtkObject *object)
{
GimpViewableDialog *dialog;
dialog = GIMP_VIEWABLE_DIALOG (object);
if (dialog->preview)
gimp_viewable_dialog_set_viewable (dialog, NULL);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
GtkWidget *
gimp_viewable_dialog_new (GimpViewable *viewable,
const gchar *title,
const gchar *wmclass_name,
const gchar *stock_id,
const gchar *desc,
GimpHelpFunc help_func,
const gchar *help_data,
/* specify action area buttons
* as va_list:
* const gchar *label,
* GCallback callback,
* gpointer callback_data,
* GObject *slot_object,
* GtkWidget **widget_ptr,
* gboolean default_action,
* gboolean connect_delete,
*/
...)
{
GimpViewableDialog *dialog;
va_list args;
PangoAttrList *attrs;
PangoAttribute *attr;
g_return_val_if_fail (! viewable || GIMP_IS_VIEWABLE (viewable), NULL);
g_return_val_if_fail (title != NULL, NULL);
g_return_val_if_fail (wmclass_name != NULL, NULL);
dialog = g_object_new (GIMP_TYPE_VIEWABLE_DIALOG,
"title", title,
NULL);
gtk_window_set_wmclass (GTK_WINDOW (dialog), wmclass_name, "Gimp");
if (help_func)
gimp_help_connect (GTK_WIDGET (dialog), help_func, help_data);
va_start (args, help_data);
gimp_dialog_create_action_areav (GIMP_DIALOG (dialog), args);
va_end (args);
gtk_image_set_from_stock (GTK_IMAGE (dialog->icon), stock_id,
GTK_ICON_SIZE_LARGE_TOOLBAR);
attrs = pango_attr_list_new ();
attr = pango_attr_scale_new (PANGO_SCALE_X_LARGE);
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (attrs, attr);
attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (attrs, attr);
gtk_label_set_attributes (GTK_LABEL (dialog->desc_label), attrs);
pango_attr_list_unref (attrs);
gtk_label_set_text (GTK_LABEL (dialog->desc_label), desc);
if (viewable)
gimp_viewable_dialog_set_viewable (dialog, viewable);
return GTK_WIDGET (dialog);
}
void
gimp_viewable_dialog_set_viewable (GimpViewableDialog *dialog,
GimpViewable *viewable)
{
g_return_if_fail (GIMP_IS_VIEWABLE_DIALOG (dialog));
g_return_if_fail (! viewable || GIMP_IS_VIEWABLE (viewable));
if (dialog->preview)
{
GimpViewable *old_viewable;
old_viewable = GIMP_PREVIEW (dialog->preview)->viewable;
if (viewable == old_viewable)
return;
gtk_widget_destroy (dialog->preview);
if (old_viewable)
{
g_signal_handlers_disconnect_by_func (old_viewable,
gimp_viewable_dialog_name_changed,
dialog);
g_signal_handlers_disconnect_by_func (old_viewable,
gimp_viewable_dialog_close,
dialog);
}
}
if (viewable)
{
g_signal_connect_object (viewable,
GIMP_VIEWABLE_GET_CLASS (viewable)->name_changed_signal,
G_CALLBACK (gimp_viewable_dialog_name_changed),
dialog,
0);
dialog->preview = gimp_preview_new (viewable, 32, 1, TRUE);
gtk_box_pack_end (GTK_BOX (dialog->icon->parent), dialog->preview,
FALSE, FALSE, 2);
gtk_widget_show (dialog->preview);
g_object_add_weak_pointer (G_OBJECT (dialog->preview),
(gpointer *) &dialog->preview);
gimp_viewable_dialog_name_changed (GIMP_OBJECT (viewable), dialog);
if (GIMP_IS_ITEM (viewable))
{
g_signal_connect_object (viewable, "removed",
G_CALLBACK (gimp_viewable_dialog_close),
dialog,
G_CONNECT_SWAPPED);
}
else
{
g_signal_connect_object (viewable, "disconnect",
G_CALLBACK (gimp_viewable_dialog_close),
dialog,
G_CONNECT_SWAPPED);
}
}
}
/* private functions */
static void
gimp_viewable_dialog_name_changed (GimpObject *object,
GimpViewableDialog *dialog)
{
gchar *name;
name = gimp_viewable_get_description (GIMP_VIEWABLE (object), NULL);
if (GIMP_IS_ITEM (object))
{
const gchar *uri;
gchar *basename;
gchar *tmp;
uri = gimp_image_get_uri (gimp_item_get_image (GIMP_ITEM (object)));
tmp = name;
basename = file_utils_uri_to_utf8_basename (uri);
name = g_strdup_printf ("%s-%d (%s)",
tmp,
gimp_item_get_ID (GIMP_ITEM (object)),
basename);
g_free (basename);
g_free (tmp);
}
gtk_label_set_text (GTK_LABEL (dialog->viewable_label), name);
g_free (name);
}
static void
gimp_viewable_dialog_close (GimpViewableDialog *dialog)
{
g_signal_emit_by_name (dialog, "close");
}
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