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-rw-r--r--app/widgets/gimppickablepopup.c436
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diff --git a/app/widgets/gimppickablepopup.c b/app/widgets/gimppickablepopup.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimppickablepopup.c
+ * Copyright (C) 2014 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 <gdk/gdkkeysyms.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+#include "core/gimppickable.h"
+#include "core/gimpviewable.h"
+
+#include "gimpcontainertreeview.h"
+#include "gimpcontainerview.h"
+#include "gimppickablepopup.h"
+#include "gimpviewrenderer.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_CONTEXT,
+ PROP_PICKABLE,
+ PROP_VIEW_SIZE,
+ PROP_VIEW_BORDER_WIDTH
+};
+
+struct _GimpPickablePopupPrivate
+{
+ GimpPickable *pickable;
+ GimpContext *context;
+
+ gint view_size;
+ gint view_border_width;
+
+ GtkWidget *image_view;
+ GtkWidget *layer_view;
+ GtkWidget *channel_view;
+ GtkWidget *layer_label;
+};
+
+
+static void gimp_pickable_popup_constructed (GObject *object);
+static void gimp_pickable_popup_finalize (GObject *object);
+static void gimp_pickable_popup_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_pickable_popup_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_pickable_popup_image_changed (GimpContext *context,
+ GimpImage *image,
+ GimpPickablePopup *popup);
+static void gimp_pickable_popup_item_activate (GimpContainerView *view,
+ GimpPickable *pickable,
+ gpointer unused,
+ GimpPickablePopup *popup);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpPickablePopup, gimp_pickable_popup,
+ GIMP_TYPE_POPUP)
+
+#define parent_class gimp_pickable_popup_parent_class
+
+
+static void
+gimp_pickable_popup_class_init (GimpPickablePopupClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_pickable_popup_constructed;
+ object_class->finalize = gimp_pickable_popup_finalize;
+ object_class->get_property = gimp_pickable_popup_get_property;
+ object_class->set_property = gimp_pickable_popup_set_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_PICKABLE,
+ g_param_spec_object ("pickable",
+ NULL, NULL,
+ GIMP_TYPE_PICKABLE,
+ GIMP_PARAM_READABLE));
+
+ g_object_class_install_property (object_class, PROP_VIEW_SIZE,
+ g_param_spec_int ("view-size",
+ NULL, NULL,
+ 1, GIMP_VIEWABLE_MAX_PREVIEW_SIZE,
+ GIMP_VIEW_SIZE_MEDIUM,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_VIEW_BORDER_WIDTH,
+ g_param_spec_int ("view-border-width",
+ NULL, NULL,
+ 0,
+ GIMP_VIEW_MAX_BORDER_WIDTH,
+ 1,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+}
+
+static void
+gimp_pickable_popup_init (GimpPickablePopup *popup)
+{
+ popup->priv = gimp_pickable_popup_get_instance_private (popup);
+
+ popup->priv->view_size = GIMP_VIEW_SIZE_SMALL;
+ popup->priv->view_border_width = 1;
+
+ gtk_window_set_resizable (GTK_WINDOW (popup), FALSE);
+}
+
+static void
+gimp_pickable_popup_constructed (GObject *object)
+{
+ GimpPickablePopup *popup = GIMP_PICKABLE_POPUP (object);
+ GtkWidget *frame;
+ GtkWidget *hbox;
+ GtkWidget *vbox;
+ GtkWidget *label;
+ GtkWidget *notebook;
+ GimpImage *image;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_assert (GIMP_IS_CONTEXT (popup->priv->context));
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
+ gtk_container_add (GTK_CONTAINER (popup), frame);
+ gtk_widget_show (frame);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gtk_container_set_border_width (GTK_CONTAINER (hbox), 6);
+ gtk_container_add (GTK_CONTAINER (frame), hbox);
+ gtk_widget_show (hbox);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
+ gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
+ gtk_widget_show (vbox);
+
+ label = gtk_label_new (_("Images"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ popup->priv->image_view =
+ gimp_container_tree_view_new (popup->priv->context->gimp->images,
+ popup->priv->context,
+ popup->priv->view_size,
+ popup->priv->view_border_width);
+ gimp_container_box_set_size_request (GIMP_CONTAINER_BOX (popup->priv->image_view),
+ 4 * (popup->priv->view_size +
+ 2 * popup->priv->view_border_width),
+ 4 * (popup->priv->view_size +
+ 2 * popup->priv->view_border_width));
+ gtk_box_pack_start (GTK_BOX (vbox), popup->priv->image_view, TRUE, TRUE, 0);
+ gtk_widget_show (popup->priv->image_view);
+
+ g_signal_connect_object (popup->priv->image_view, "activate-item",
+ G_CALLBACK (gimp_pickable_popup_item_activate),
+ G_OBJECT (popup), 0);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
+ gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
+ gtk_widget_show (vbox);
+
+ popup->priv->layer_label = label =
+ gtk_label_new (_("Select an image in the left pane"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
+ gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ notebook = gtk_notebook_new ();
+ gtk_box_pack_start (GTK_BOX (vbox), notebook, TRUE, TRUE, 0);
+ gtk_widget_show (notebook);
+
+ popup->priv->layer_view =
+ gimp_container_tree_view_new (NULL,
+ popup->priv->context,
+ popup->priv->view_size,
+ popup->priv->view_border_width);
+ gtk_tree_view_set_show_expanders (GTK_TREE_VIEW (GIMP_CONTAINER_TREE_VIEW (popup->priv->layer_view)->view),
+ TRUE);
+ gimp_container_box_set_size_request (GIMP_CONTAINER_BOX (popup->priv->layer_view),
+ 4 * (popup->priv->view_size +
+ 2 * popup->priv->view_border_width),
+ 4 * (popup->priv->view_size +
+ 2 * popup->priv->view_border_width));
+ gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
+ popup->priv->layer_view,
+ gtk_label_new (_("Layers")));
+ gtk_widget_show (popup->priv->layer_view);
+
+ g_signal_connect_object (popup->priv->layer_view, "activate-item",
+ G_CALLBACK (gimp_pickable_popup_item_activate),
+ G_OBJECT (popup), 0);
+
+ popup->priv->channel_view =
+ gimp_container_tree_view_new (NULL,
+ popup->priv->context,
+ popup->priv->view_size,
+ popup->priv->view_border_width);
+ gimp_container_box_set_size_request (GIMP_CONTAINER_BOX (popup->priv->channel_view),
+ 4 * (popup->priv->view_size +
+ 2 * popup->priv->view_border_width),
+ 4 * (popup->priv->view_size +
+ 2 * popup->priv->view_border_width));
+ gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
+ popup->priv->channel_view,
+ gtk_label_new (_("Channels")));
+ gtk_widget_show (popup->priv->channel_view);
+
+ g_signal_connect_object (popup->priv->channel_view, "activate-item",
+ G_CALLBACK (gimp_pickable_popup_item_activate),
+ G_OBJECT (popup), 0);
+
+ g_signal_connect_object (popup->priv->context, "image-changed",
+ G_CALLBACK (gimp_pickable_popup_image_changed),
+ G_OBJECT (popup), 0);
+
+ image = gimp_context_get_image (popup->priv->context);
+ gimp_pickable_popup_image_changed (popup->priv->context, image, popup);
+}
+
+static void
+gimp_pickable_popup_finalize (GObject *object)
+{
+ GimpPickablePopup *popup = GIMP_PICKABLE_POPUP (object);
+
+ g_clear_object (&popup->priv->pickable);
+ g_clear_object (&popup->priv->context);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_pickable_popup_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPickablePopup *popup = GIMP_PICKABLE_POPUP (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTEXT:
+ if (popup->priv->context)
+ g_object_unref (popup->priv->context);
+ popup->priv->context = g_value_dup_object (value);
+ break;
+
+ case PROP_VIEW_SIZE:
+ popup->priv->view_size = g_value_get_int (value);
+ break;
+
+ case PROP_VIEW_BORDER_WIDTH:
+ popup->priv->view_border_width = g_value_get_int (value);
+ break;
+
+ case PROP_PICKABLE:
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_pickable_popup_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPickablePopup *popup = GIMP_PICKABLE_POPUP (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTEXT:
+ g_value_set_object (value, popup->priv->context);
+ break;
+
+ case PROP_PICKABLE:
+ g_value_set_object (value, popup->priv->pickable);
+ break;
+
+ case PROP_VIEW_SIZE:
+ g_value_set_int (value, popup->priv->view_size);
+ break;
+
+ case PROP_VIEW_BORDER_WIDTH:
+ g_value_set_int (value, popup->priv->view_border_width);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+GtkWidget *
+gimp_pickable_popup_new (GimpContext *context,
+ gint view_size,
+ gint view_border_width)
+{
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (view_size > 0 &&
+ view_size <= GIMP_VIEWABLE_MAX_POPUP_SIZE, NULL);
+ g_return_val_if_fail (view_border_width >= 0 &&
+ view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
+ NULL);
+
+ return g_object_new (GIMP_TYPE_PICKABLE_POPUP,
+ "type", GTK_WINDOW_POPUP,
+ "context", context,
+ "view-size", view_size,
+ "view-border-width", view_border_width,
+ NULL);
+}
+
+GimpPickable *
+gimp_pickable_popup_get_pickable (GimpPickablePopup *popup)
+{
+ GtkWidget *focus;
+ GimpPickable *pickable = NULL;
+
+ g_return_val_if_fail (GIMP_IS_PICKABLE_POPUP (popup), NULL);
+
+ focus = gtk_window_get_focus (GTK_WINDOW (popup));
+
+ if (focus && gtk_widget_is_ancestor (focus, popup->priv->image_view))
+ {
+ pickable = GIMP_PICKABLE (gimp_context_get_image (popup->priv->context));
+ }
+ else if (focus && gtk_widget_is_ancestor (focus, popup->priv->layer_view))
+ {
+ GList *selected;
+
+ if (gimp_container_view_get_selected (GIMP_CONTAINER_VIEW (popup->priv->layer_view),
+ &selected))
+ {
+ pickable = selected->data;
+ g_list_free (selected);
+ }
+ }
+ else if (focus && gtk_widget_is_ancestor (focus, popup->priv->channel_view))
+ {
+ GList *selected;
+
+ if (gimp_container_view_get_selected (GIMP_CONTAINER_VIEW (popup->priv->channel_view),
+ &selected))
+ {
+ pickable = selected->data;
+ g_list_free (selected);
+ }
+ }
+
+ return pickable;
+}
+
+
+/* private functions */
+
+static void
+gimp_pickable_popup_image_changed (GimpContext *context,
+ GimpImage *image,
+ GimpPickablePopup *popup)
+{
+ GimpContainer *layers = NULL;
+ GimpContainer *channels = NULL;
+
+ if (image)
+ {
+ gchar *desc;
+
+ layers = gimp_image_get_layers (image);
+ channels = gimp_image_get_channels (image);
+
+ desc = gimp_viewable_get_description (GIMP_VIEWABLE (image), NULL);
+ gtk_label_set_text (GTK_LABEL (popup->priv->layer_label), desc);
+ g_free (desc);
+ }
+ else
+ {
+ gtk_label_set_text (GTK_LABEL (popup->priv->layer_label),
+ _("Select an image in the left pane"));
+ }
+
+ gimp_container_view_set_container (GIMP_CONTAINER_VIEW (popup->priv->layer_view),
+ layers);
+ gimp_container_view_set_container (GIMP_CONTAINER_VIEW (popup->priv->channel_view),
+ channels);
+}
+
+static void
+gimp_pickable_popup_item_activate (GimpContainerView *view,
+ GimpPickable *pickable,
+ gpointer unused,
+ GimpPickablePopup *popup)
+{
+ g_signal_emit_by_name (popup, "confirm");
+}