Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 343 insertions, 0 deletions

diff --git a/app/widgets/gimppickablebutton.c b/app/widgets/gimppickablebutton.c
new file mode 100644
index 0000000..e8454c2
--- /dev/null
+++ b/app/widgets/gimppickablebutton.c
@@ -0,0 +1,343 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimppickablebutton.c
+ * Copyright (C) 2013 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 "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+#include "core/gimplayer.h"
+#include "core/gimplayermask.h"
+#include "core/gimppickable.h"
+
+#include "gimpdnd.h"
+#include "gimpview.h"
+#include "gimpviewrenderer.h"
+#include "gimppickablebutton.h"
+#include "gimppickablepopup.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_CONTEXT,
+  PROP_PICKABLE
+};
+
+struct _GimpPickableButtonPrivate
+{
+  gint          view_size;
+  gint          view_border_width;
+
+  GimpContext  *context;
+  GimpPickable *pickable;
+
+  GtkWidget    *view;
+};
+
+
+static void     gimp_pickable_button_constructed   (GObject            *object);
+static void     gimp_pickable_button_dispose       (GObject            *object);
+static void     gimp_pickable_button_finalize      (GObject            *object);
+static void     gimp_pickable_button_set_property  (GObject            *object,
+                                                    guint               property_id,
+                                                    const GValue       *value,
+                                                    GParamSpec         *pspec);
+static void     gimp_pickable_button_get_property  (GObject            *object,
+                                                    guint               property_id,
+                                                    GValue             *value,
+                                                    GParamSpec         *pspec);
+
+static void     gimp_pickable_button_clicked       (GtkButton          *button);
+
+static void     gimp_pickable_button_popup_confirm (GimpPickablePopup  *popup,
+                                                    GimpPickableButton *button);
+static void     gimp_pickable_button_drop_pickable (GtkWidget          *widget,
+                                                    gint                x,
+                                                    gint                y,
+                                                    GimpViewable       *viewable,
+                                                    gpointer            data);
+static void     gimp_pickable_button_notify_buffer (GimpPickable       *pickable,
+                                                    const GParamSpec   *pspec,
+                                                    GimpPickableButton *button);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpPickableButton, gimp_pickable_button,
+                            GIMP_TYPE_BUTTON)
+
+#define parent_class gimp_pickable_button_parent_class
+
+
+static void
+gimp_pickable_button_class_init (GimpPickableButtonClass *klass)
+{
+  GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+  GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
+
+  object_class->constructed  = gimp_pickable_button_constructed;
+  object_class->dispose      = gimp_pickable_button_dispose;
+  object_class->finalize     = gimp_pickable_button_finalize;
+  object_class->get_property = gimp_pickable_button_get_property;
+  object_class->set_property = gimp_pickable_button_set_property;
+
+  button_class->clicked      = gimp_pickable_button_clicked;
+
+  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_PICKABLE,
+                                   g_param_spec_object ("pickable",
+                                                        NULL, NULL,
+                                                        GIMP_TYPE_PICKABLE,
+                                                        GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_pickable_button_init (GimpPickableButton *button)
+{
+  button->private = gimp_pickable_button_get_instance_private (button);
+
+  button->private->view_size         = GIMP_VIEW_SIZE_LARGE;
+  button->private->view_border_width = 1;
+
+  gimp_dnd_viewable_dest_add  (GTK_WIDGET (button), GIMP_TYPE_LAYER,
+                               gimp_pickable_button_drop_pickable,
+                               NULL);
+  gimp_dnd_viewable_dest_add  (GTK_WIDGET (button), GIMP_TYPE_LAYER_MASK,
+                               gimp_pickable_button_drop_pickable,
+                               NULL);
+  gimp_dnd_viewable_dest_add  (GTK_WIDGET (button), GIMP_TYPE_CHANNEL,
+                               gimp_pickable_button_drop_pickable,
+                               NULL);
+  gimp_dnd_viewable_dest_add  (GTK_WIDGET (button), GIMP_TYPE_IMAGE,
+                               gimp_pickable_button_drop_pickable,
+                               NULL);
+}
+
+static void
+gimp_pickable_button_constructed (GObject *object)
+{
+  GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  gimp_assert (GIMP_IS_CONTEXT (button->private->context));
+
+  button->private->view =
+    gimp_view_new_by_types (button->private->context,
+                            GIMP_TYPE_VIEW,
+                            GIMP_TYPE_VIEWABLE,
+                            button->private->view_size,
+                            button->private->view_border_width,
+                            FALSE);
+  gtk_container_add (GTK_CONTAINER (button), button->private->view);
+  gtk_widget_show (button->private->view);
+}
+
+static void
+gimp_pickable_button_dispose (GObject *object)
+{
+  GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+  gimp_pickable_button_set_pickable (button, NULL);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_pickable_button_finalize (GObject *object)
+{
+  GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+  g_clear_object (&button->private->context);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_pickable_button_set_property (GObject      *object,
+                                   guint         property_id,
+                                   const GValue *value,
+                                   GParamSpec   *pspec)
+{
+  GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+  switch (property_id)
+    {
+    case PROP_CONTEXT:
+      if (button->private->context)
+        g_object_unref (button->private->context);
+      button->private->context = g_value_dup_object (value);
+      break;
+    case PROP_PICKABLE:
+      gimp_pickable_button_set_pickable (button, g_value_get_object (value));
+      break;
+
+   default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_pickable_button_get_property (GObject    *object,
+                                   guint       property_id,
+                                   GValue     *value,
+                                   GParamSpec *pspec)
+{
+  GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+  switch (property_id)
+    {
+    case PROP_CONTEXT:
+      g_value_set_object (value, button->private->context);
+      break;
+    case PROP_PICKABLE:
+      g_value_set_object (value, button->private->pickable);
+      break;
+
+   default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_pickable_button_clicked (GtkButton *button)
+{
+  GimpPickableButton *pickable_button = GIMP_PICKABLE_BUTTON (button);
+  GtkWidget          *popup;
+
+  popup = gimp_pickable_popup_new (pickable_button->private->context,
+                                   pickable_button->private->view_size,
+                                   pickable_button->private->view_border_width);
+
+  g_signal_connect (popup, "confirm",
+                    G_CALLBACK (gimp_pickable_button_popup_confirm),
+                    button);
+
+  gimp_popup_show (GIMP_POPUP (popup), GTK_WIDGET (button));
+}
+
+static void
+gimp_pickable_button_popup_confirm (GimpPickablePopup  *popup,
+                                    GimpPickableButton *button)
+{
+  GimpPickable *pickable = gimp_pickable_popup_get_pickable (popup);
+
+  if (pickable)
+    gimp_pickable_button_set_pickable (button, pickable);
+}
+
+static void
+gimp_pickable_button_drop_pickable (GtkWidget    *widget,
+                                    gint          x,
+                                    gint          y,
+                                    GimpViewable *viewable,
+                                    gpointer      data)
+{
+  gimp_pickable_button_set_pickable (GIMP_PICKABLE_BUTTON (widget),
+                                     GIMP_PICKABLE (viewable));
+}
+
+static void
+gimp_pickable_button_notify_buffer (GimpPickable       *pickable,
+                                    const GParamSpec   *pspec,
+                                    GimpPickableButton *button)
+{
+  GeglBuffer *buffer = gimp_pickable_get_buffer (pickable);
+
+  if (buffer)
+    g_object_notify (G_OBJECT (button), "pickable");
+  else
+    gimp_pickable_button_set_pickable (button, NULL);
+}
+
+
+/*  public functions  */
+
+GtkWidget *
+gimp_pickable_button_new (GimpContext *context,
+                          gint         view_size,
+                          gint         view_border_width)
+{
+  GimpPickableButton *button;
+
+  g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+  g_return_val_if_fail (view_size >  0 &&
+                        view_size <= GIMP_VIEWABLE_MAX_BUTTON_SIZE, NULL);
+  g_return_val_if_fail (view_border_width >= 0 &&
+                        view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
+                        NULL);
+
+  button = g_object_new (GIMP_TYPE_PICKABLE_BUTTON,
+                         "context", context,
+                         NULL);
+
+  button->private->view_size         = view_size;
+  button->private->view_border_width = view_border_width;
+
+  return GTK_WIDGET (button);
+}
+
+GimpPickable *
+gimp_pickable_button_get_pickable (GimpPickableButton *button)
+{
+  g_return_val_if_fail (GIMP_IS_PICKABLE_BUTTON (button), NULL);
+
+  return button->private->pickable;
+}
+
+void
+gimp_pickable_button_set_pickable (GimpPickableButton *button,
+                                   GimpPickable       *pickable)
+{
+  g_return_if_fail (GIMP_IS_PICKABLE_BUTTON (button));
+
+  if (pickable != button->private->pickable)
+    {
+      if (button->private->pickable)
+        g_signal_handlers_disconnect_by_func (button->private->pickable,
+                                              gimp_pickable_button_notify_buffer,
+                                              button);
+
+      g_set_object (&button->private->pickable, pickable);
+
+      if (button->private->pickable)
+        g_signal_connect (button->private->pickable, "notify::buffer",
+                          G_CALLBACK (gimp_pickable_button_notify_buffer),
+                          button);
+
+      gimp_view_set_viewable (GIMP_VIEW (button->private->view),
+                              GIMP_VIEWABLE (pickable));
+
+      g_object_notify (G_OBJECT (button), "pickable");
+    }
+}