Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
+}