summaryrefslogtreecommitdiffstats
path: root/app/widgets/gimpbuffersourcebox.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--app/widgets/gimpbuffersourcebox.c357
1 files changed, 357 insertions, 0 deletions
diff --git a/app/widgets/gimpbuffersourcebox.c b/app/widgets/gimpbuffersourcebox.c
new file mode 100644
index 0000000..bb19ef2
--- /dev/null
+++ b/app/widgets/gimpbuffersourcebox.c
@@ -0,0 +1,357 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpbuffersourcebox.c
+ * Copyright (C) 2015 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 <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "gegl/gimp-gegl-utils.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimppickable.h"
+
+#include "gimpbuffersourcebox.h"
+#include "gimppickablebutton.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_CONTEXT,
+ PROP_SOURCE_NODE,
+ PROP_NAME,
+ PROP_PICKABLE,
+ PROP_ENABLED
+};
+
+struct _GimpBufferSourceBoxPrivate
+{
+ GimpContext *context;
+ GeglNode *source_node;
+ gchar *name;
+ GimpPickable *pickable;
+ gboolean enabled;
+
+ GtkWidget *toggle;
+ GtkWidget *button;
+ GtkWidget *label;
+};
+
+
+static void gimp_buffer_source_box_constructed (GObject *object);
+static void gimp_buffer_source_box_finalize (GObject *object);
+static void gimp_buffer_source_box_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_buffer_source_box_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_buffer_source_box_notify_pickable (GimpPickableButton *button,
+ const GParamSpec *pspec,
+ GimpBufferSourceBox *box);
+static void gimp_buffer_source_box_enable_toggled (GtkToggleButton *button,
+ GimpBufferSourceBox *box);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpBufferSourceBox, gimp_buffer_source_box,
+ GTK_TYPE_BOX)
+
+#define parent_class gimp_buffer_source_box_parent_class
+
+
+static void
+gimp_buffer_source_box_class_init (GimpBufferSourceBoxClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_buffer_source_box_constructed;
+ object_class->finalize = gimp_buffer_source_box_finalize;
+ object_class->set_property = gimp_buffer_source_box_set_property;
+ object_class->get_property = gimp_buffer_source_box_get_property;
+
+ 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_ONLY));
+
+ g_object_class_install_property (object_class, PROP_SOURCE_NODE,
+ g_param_spec_object ("source-node", NULL, NULL,
+ GEGL_TYPE_NODE,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_NAME,
+ g_param_spec_string ("name", NULL, NULL,
+ NULL,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_PICKABLE,
+ g_param_spec_object ("pickable", NULL, NULL,
+ GIMP_TYPE_PICKABLE,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_ENABLED,
+ g_param_spec_boolean ("enabled", NULL, NULL,
+ TRUE,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+}
+
+static void
+gimp_buffer_source_box_init (GimpBufferSourceBox *box)
+{
+ box->priv = gimp_buffer_source_box_get_instance_private (box);
+
+ gtk_orientable_set_orientation (GTK_ORIENTABLE (box),
+ GTK_ORIENTATION_HORIZONTAL);
+ gtk_box_set_spacing (GTK_BOX (box), 2);
+}
+
+static void
+gimp_buffer_source_box_constructed (GObject *object)
+{
+ GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
+ GtkWidget *alignment;
+
+ alignment = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
+ gtk_box_pack_start (GTK_BOX (box), alignment, FALSE, FALSE, 0);
+ gtk_widget_show (alignment);
+
+ box->priv->toggle = gtk_check_button_new_with_mnemonic (box->priv->name);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->toggle),
+ box->priv->enabled);
+ gtk_container_add (GTK_CONTAINER (alignment), box->priv->toggle);
+ gtk_widget_show (box->priv->toggle);
+
+ g_signal_connect_object (box->priv->toggle, "toggled",
+ G_CALLBACK (gimp_buffer_source_box_enable_toggled),
+ box, 0);
+
+ box->priv->button = gimp_pickable_button_new (box->priv->context,
+ GIMP_VIEW_SIZE_LARGE, 1);
+ gimp_pickable_button_set_pickable (GIMP_PICKABLE_BUTTON (box->priv->button),
+ box->priv->pickable);
+ gtk_box_pack_start (GTK_BOX (box), box->priv->button, FALSE, FALSE, 0);
+ gtk_widget_show (box->priv->button);
+
+ box->priv->label = gtk_label_new (_("(none)"));
+ gtk_label_set_xalign (GTK_LABEL (box->priv->label), 0.0);
+ gtk_label_set_ellipsize (GTK_LABEL (box->priv->label), PANGO_ELLIPSIZE_END);
+ gtk_box_pack_start (GTK_BOX (box), box->priv->label, TRUE, TRUE, 0);
+ gtk_widget_show (box->priv->label);
+
+ g_signal_connect_object (box->priv->button, "notify::pickable",
+ G_CALLBACK (gimp_buffer_source_box_notify_pickable),
+ box, 0);
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+}
+
+static void
+gimp_buffer_source_box_finalize (GObject *object)
+{
+ GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
+
+ g_clear_object (&box->priv->context);
+ g_clear_object (&box->priv->source_node);
+ g_clear_pointer (&box->priv->name, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_buffer_source_box_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTEXT:
+ box->priv->context = g_value_dup_object (value);
+ break;
+
+ case PROP_SOURCE_NODE:
+ box->priv->source_node = g_value_dup_object (value);
+ break;
+
+ case PROP_NAME:
+ box->priv->name = g_value_dup_string (value);
+ break;
+
+ case PROP_PICKABLE:
+ box->priv->pickable = g_value_get_object (value);
+ if (box->priv->button)
+ gimp_pickable_button_set_pickable (GIMP_PICKABLE_BUTTON (box->priv->button),
+ box->priv->pickable);
+ break;
+
+ case PROP_ENABLED:
+ box->priv->enabled = g_value_get_boolean (value);
+ if (box->priv->toggle)
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (box->priv->toggle),
+ box->priv->enabled);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_buffer_source_box_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpBufferSourceBox *box = GIMP_BUFFER_SOURCE_BOX (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTEXT:
+ g_value_set_object (value, box->priv->context);
+ break;
+
+ case PROP_SOURCE_NODE:
+ g_value_set_object (value, box->priv->source_node);
+ break;
+
+ case PROP_NAME:
+ g_value_set_string (value, box->priv->name);
+ break;
+
+ case PROP_PICKABLE:
+ g_value_set_object (value, box->priv->pickable);
+ break;
+
+ case PROP_ENABLED:
+ g_value_set_boolean (value, box->priv->enabled);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_buffer_source_box_update_node (GimpBufferSourceBox *box)
+{
+ GeglBuffer *buffer = NULL;
+
+ if (box->priv->pickable)
+ {
+ gchar *desc;
+
+ if (box->priv->enabled)
+ {
+ gimp_pickable_flush (box->priv->pickable);
+
+ /* dup the buffer, since the original may be modified while applying
+ * the operation. see issue #1283.
+ */
+ buffer = gimp_gegl_buffer_dup (
+ gimp_pickable_get_buffer (box->priv->pickable));
+ }
+
+ desc = gimp_viewable_get_description (GIMP_VIEWABLE (box->priv->pickable),
+ NULL);
+ gtk_label_set_text (GTK_LABEL (box->priv->label), desc);
+ g_free (desc);
+ }
+ else
+ {
+ gtk_label_set_text (GTK_LABEL (box->priv->label), _("(none)"));
+ }
+
+ gegl_node_set (box->priv->source_node,
+ "buffer", buffer,
+ NULL);
+
+ g_clear_object (&buffer);
+}
+
+static void
+gimp_buffer_source_box_notify_pickable (GimpPickableButton *button,
+ const GParamSpec *pspec,
+ GimpBufferSourceBox *box)
+{
+ box->priv->pickable = gimp_pickable_button_get_pickable (button);
+
+ gimp_buffer_source_box_update_node (box);
+
+ g_object_notify (G_OBJECT (box), "pickable");
+}
+
+static void
+gimp_buffer_source_box_enable_toggled (GtkToggleButton *button,
+ GimpBufferSourceBox *box)
+{
+ box->priv->enabled = gtk_toggle_button_get_active (button);
+
+ gimp_buffer_source_box_update_node (box);
+
+ g_object_notify (G_OBJECT (box), "enabled");
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_buffer_source_box_new (GimpContext *context,
+ GeglNode *source_node,
+ const gchar *name)
+{
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (GEGL_IS_NODE (source_node), NULL);
+ g_return_val_if_fail (name != NULL, NULL);
+
+ return g_object_new (GIMP_TYPE_BUFFER_SOURCE_BOX,
+ "context", context,
+ "source-node", source_node,
+ "name", name,
+ NULL);
+}
+
+GtkWidget *
+gimp_buffer_source_box_get_toggle (GimpBufferSourceBox *box)
+{
+ g_return_val_if_fail (GIMP_IS_BUFFER_SOURCE_BOX (box), NULL);
+
+ return box->priv->toggle;
+}