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gimp/app/widgets/gimpviewabledialog.c

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/* GIMP - The GNU 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 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 <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "gimpview.h"
#include "gimpviewabledialog.h"
#include "gimpviewrenderer.h"
enum
{
PROP_0,
PROP_VIEWABLE,
PROP_CONTEXT,
PROP_ICON_NAME,
PROP_DESC
};
static void gimp_viewable_dialog_dispose (GObject *object);
static void gimp_viewable_dialog_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_viewable_dialog_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_viewable_dialog_name_changed (GimpObject *object,
GimpViewableDialog *dialog);
static void gimp_viewable_dialog_close (GimpViewableDialog *dialog);
G_DEFINE_TYPE (GimpViewableDialog, gimp_viewable_dialog, GIMP_TYPE_DIALOG)
#define parent_class gimp_viewable_dialog_parent_class
static void
gimp_viewable_dialog_class_init (GimpViewableDialogClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gimp_viewable_dialog_dispose;
object_class->get_property = gimp_viewable_dialog_get_property;
object_class->set_property = gimp_viewable_dialog_set_property;
g_object_class_install_property (object_class, PROP_VIEWABLE,
g_param_spec_object ("viewable", NULL, NULL,
GIMP_TYPE_VIEWABLE,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_CONTEXT,
g_param_spec_object ("context", NULL, NULL,
GIMP_TYPE_CONTEXT,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_ICON_NAME,
g_param_spec_string ("icon-name", NULL, NULL,
NULL,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_DESC,
g_param_spec_string ("description", NULL, NULL,
NULL,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT));
}
static void
gimp_viewable_dialog_init (GimpViewableDialog *dialog)
{
GtkWidget *content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
GtkWidget *frame;
GtkWidget *hbox;
GtkWidget *vbox;
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_box_pack_start (GTK_BOX (content_area), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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_widget_set_valign (dialog->icon, GTK_ALIGN_START);
gtk_box_pack_start (GTK_BOX (hbox), dialog->icon, FALSE, FALSE, 0);
gtk_widget_show (dialog->icon);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
dialog->desc_label = gtk_label_new (NULL);
gtk_label_set_xalign (GTK_LABEL (dialog->desc_label), 0.0);
gimp_label_set_attributes (GTK_LABEL (dialog->desc_label),
PANGO_ATTR_SCALE, PANGO_SCALE_LARGE,
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
-1);
gtk_box_pack_start (GTK_BOX (vbox), dialog->desc_label, FALSE, FALSE, 0);
gtk_widget_show (dialog->desc_label);
dialog->viewable_label = g_object_new (GTK_TYPE_LABEL,
"xalign", 0.0,
"yalign", 0.5,
"ellipsize", PANGO_ELLIPSIZE_END,
NULL);
gimp_label_set_attributes (GTK_LABEL (dialog->viewable_label),
PANGO_ATTR_SCALE, PANGO_SCALE_SMALL,
-1);
gtk_box_pack_start (GTK_BOX (vbox), dialog->viewable_label, FALSE, FALSE, 0);
gtk_widget_show (dialog->viewable_label);
}
static void
gimp_viewable_dialog_dispose (GObject *object)
{
GimpViewableDialog *dialog = GIMP_VIEWABLE_DIALOG (object);
if (dialog->view)
gimp_viewable_dialog_set_viewable (dialog, NULL, NULL);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_viewable_dialog_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpViewableDialog *dialog = GIMP_VIEWABLE_DIALOG (object);
switch (property_id)
{
case PROP_VIEWABLE:
gimp_viewable_dialog_set_viewable (dialog,
g_value_get_object (value),
dialog->context);
break;
case PROP_CONTEXT:
gimp_viewable_dialog_set_viewable (dialog,
dialog->view ?
GIMP_VIEW (dialog->view)->viewable :
NULL,
g_value_get_object (value));
break;
case PROP_ICON_NAME:
gtk_image_set_from_icon_name (GTK_IMAGE (dialog->icon),
g_value_get_string (value),
GTK_ICON_SIZE_LARGE_TOOLBAR);
break;
case PROP_DESC:
gtk_label_set_text (GTK_LABEL (dialog->desc_label),
g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_viewable_dialog_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpViewableDialog *dialog = GIMP_VIEWABLE_DIALOG (object);
switch (property_id)
{
case PROP_VIEWABLE:
g_value_set_object (value,
dialog->view ?
GIMP_VIEW (dialog->view)->viewable : NULL);
break;
case PROP_CONTEXT:
g_value_set_object (value, dialog->context);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
GtkWidget *
gimp_viewable_dialog_new (GimpViewable *viewable,
GimpContext *context,
const gchar *title,
const gchar *role,
const gchar *icon_name,
const gchar *desc,
GtkWidget *parent,
GimpHelpFunc help_func,
const gchar *help_id,
...)
{
GimpViewableDialog *dialog;
va_list args;
gboolean use_header_bar;
g_return_val_if_fail (viewable == NULL || GIMP_IS_VIEWABLE (viewable), NULL);
g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (title != NULL, NULL);
g_return_val_if_fail (role != NULL, NULL);
g_return_val_if_fail (parent == NULL || GTK_IS_WIDGET (parent), NULL);
if (! viewable)
g_warning ("Use of GimpViewableDialog with a NULL viewable is deprecated!");
g_object_get (gtk_settings_get_default (),
"gtk-dialogs-use-header", &use_header_bar,
NULL);
dialog = g_object_new (GIMP_TYPE_VIEWABLE_DIALOG,
"viewable", viewable,
"context", context,
"title", title,
"role", role,
"help-func", help_func,
"help-id", help_id,
"icon-name", icon_name,
"description", desc,
"parent", parent,
"use-header-bar", use_header_bar,
NULL);
va_start (args, help_id);
gimp_dialog_add_buttons_valist (GIMP_DIALOG (dialog), args);
va_end (args);
return GTK_WIDGET (dialog);
}
void
gimp_viewable_dialog_set_viewable (GimpViewableDialog *dialog,
GimpViewable *viewable,
GimpContext *context)
{
g_return_if_fail (GIMP_IS_VIEWABLE_DIALOG (dialog));
g_return_if_fail (viewable == NULL || GIMP_IS_VIEWABLE (viewable));
g_return_if_fail (context == NULL || GIMP_IS_CONTEXT (context));
dialog->context = context;
if (dialog->view)
{
GimpViewable *old_viewable = GIMP_VIEW (dialog->view)->viewable;
if (viewable == old_viewable)
{
gimp_view_renderer_set_context (GIMP_VIEW (dialog->view)->renderer,
context);
return;
}
gtk_widget_destroy (dialog->view);
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)
{
GtkWidget *box;
g_signal_connect_object (viewable,
GIMP_VIEWABLE_GET_CLASS (viewable)->name_changed_signal,
G_CALLBACK (gimp_viewable_dialog_name_changed),
dialog,
0);
box = gtk_widget_get_parent (dialog->icon);
dialog->view = gimp_view_new (context, viewable, 32, 1, TRUE);
gtk_box_pack_end (GTK_BOX (box), dialog->view, FALSE, FALSE, 2);
gtk_widget_show (dialog->view);
g_object_add_weak_pointer (G_OBJECT (dialog->view),
(gpointer) &dialog->view);
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))
{
GimpImage *image = gimp_item_get_image (GIMP_ITEM (object));
gchar *tmp;
tmp = name;
name = g_strdup_printf ("%s-%d (%s)",
tmp,
gimp_item_get_id (GIMP_ITEM (object)),
gimp_image_get_display_name (image));
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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