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-rw-r--r--app/widgets/gimpactionimpl.c400
1 files changed, 400 insertions, 0 deletions
diff --git a/app/widgets/gimpactionimpl.c b/app/widgets/gimpactionimpl.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpaction.c
+ * Copyright (C) 2004-2019 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 "libgimpcolor/gimpcolor.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpmarshal.h"
+#include "core/gimpimagefile.h" /* eek */
+
+#include "gimpaction.h"
+#include "gimpactionimpl.h"
+#include "gimpaction-history.h"
+#include "gimpview.h"
+#include "gimpviewrenderer.h"
+#include "gimpwidgets-utils.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_CONTEXT,
+ PROP_COLOR,
+ PROP_VIEWABLE,
+ PROP_ELLIPSIZE,
+ PROP_MAX_WIDTH_CHARS
+};
+
+
+static void gimp_action_impl_finalize (GObject *object);
+static void gimp_action_impl_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_action_impl_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_action_impl_activate (GtkAction *action);
+static void gimp_action_impl_connect_proxy (GtkAction *action,
+ GtkWidget *proxy);
+
+static void gimp_action_impl_set_proxy (GimpActionImpl *impl,
+ GtkWidget *proxy);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpActionImpl, gimp_action_impl, GTK_TYPE_ACTION,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_ACTION, NULL))
+
+#define parent_class gimp_action_impl_parent_class
+
+
+static void
+gimp_action_impl_class_init (GimpActionImplClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkActionClass *action_class = GTK_ACTION_CLASS (klass);
+ GimpRGB black;
+
+ object_class->finalize = gimp_action_impl_finalize;
+ object_class->set_property = gimp_action_impl_set_property;
+ object_class->get_property = gimp_action_impl_get_property;
+
+ action_class->activate = gimp_action_impl_activate;
+ action_class->connect_proxy = gimp_action_impl_connect_proxy;
+
+ gimp_rgba_set (&black, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
+
+ g_object_class_install_property (object_class, PROP_CONTEXT,
+ g_param_spec_object ("context",
+ NULL, NULL,
+ GIMP_TYPE_CONTEXT,
+ GIMP_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_COLOR,
+ gimp_param_spec_rgb ("color",
+ NULL, NULL,
+ TRUE, &black,
+ GIMP_PARAM_READWRITE));
+
+ 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_ELLIPSIZE,
+ g_param_spec_enum ("ellipsize",
+ NULL, NULL,
+ PANGO_TYPE_ELLIPSIZE_MODE,
+ PANGO_ELLIPSIZE_NONE,
+ GIMP_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_MAX_WIDTH_CHARS,
+ g_param_spec_int ("max-width-chars",
+ NULL, NULL,
+ -1, G_MAXINT, -1,
+ GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_action_impl_init (GimpActionImpl *impl)
+{
+ impl->ellipsize = PANGO_ELLIPSIZE_NONE;
+ impl->max_width_chars = -1;
+
+ gimp_action_init (GIMP_ACTION (impl));
+}
+
+static void
+gimp_action_impl_finalize (GObject *object)
+{
+ GimpActionImpl *impl = GIMP_ACTION_IMPL (object);
+
+ g_clear_object (&impl->context);
+ g_clear_pointer (&impl->color, g_free);
+ g_clear_object (&impl->viewable);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_action_impl_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpActionImpl *impl = GIMP_ACTION_IMPL (object);
+
+ switch (prop_id)
+ {
+ case PROP_CONTEXT:
+ g_value_set_object (value, impl->context);
+ break;
+
+ case PROP_COLOR:
+ g_value_set_boxed (value, impl->color);
+ break;
+
+ case PROP_VIEWABLE:
+ g_value_set_object (value, impl->viewable);
+ break;
+
+ case PROP_ELLIPSIZE:
+ g_value_set_enum (value, impl->ellipsize);
+ break;
+
+ case PROP_MAX_WIDTH_CHARS:
+ g_value_set_int (value, impl->max_width_chars);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_action_impl_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpActionImpl *impl = GIMP_ACTION_IMPL (object);
+ gboolean set_proxy = FALSE;
+
+ switch (prop_id)
+ {
+ case PROP_CONTEXT:
+ g_set_object (&impl->context, g_value_get_object (value));
+ break;
+
+ case PROP_COLOR:
+ g_clear_pointer (&impl->color, g_free);
+ impl->color = g_value_dup_boxed (value);
+ set_proxy = TRUE;
+ break;
+
+ case PROP_VIEWABLE:
+ g_set_object (&impl->viewable, g_value_get_object (value));
+ set_proxy = TRUE;
+ break;
+
+ case PROP_ELLIPSIZE:
+ impl->ellipsize = g_value_get_enum (value);
+ set_proxy = TRUE;
+ break;
+
+ case PROP_MAX_WIDTH_CHARS:
+ impl->max_width_chars = g_value_get_int (value);
+ set_proxy = TRUE;
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+
+ if (set_proxy)
+ {
+ GSList *list;
+
+ for (list = gimp_action_get_proxies (GIMP_ACTION (impl));
+ list;
+ list = g_slist_next (list))
+ {
+ gimp_action_impl_set_proxy (impl, list->data);
+ }
+ }
+}
+
+static void
+gimp_action_impl_activate (GtkAction *action)
+{
+ if (GTK_ACTION_CLASS (parent_class)->activate)
+ GTK_ACTION_CLASS (parent_class)->activate (action);
+
+ gimp_action_emit_activate (GIMP_ACTION (action), NULL);
+
+ gimp_action_history_action_activated (GIMP_ACTION (action));
+}
+
+static void
+gimp_action_impl_connect_proxy (GtkAction *action,
+ GtkWidget *proxy)
+{
+ GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
+
+ gimp_action_impl_set_proxy (GIMP_ACTION_IMPL (action), proxy);
+
+ gimp_action_set_proxy (GIMP_ACTION (action), proxy);
+}
+
+
+/* public functions */
+
+GimpAction *
+gimp_action_impl_new (const gchar *name,
+ const gchar *label,
+ const gchar *tooltip,
+ const gchar *icon_name,
+ const gchar *help_id)
+{
+ GimpAction *action;
+
+ action = g_object_new (GIMP_TYPE_ACTION_IMPL,
+ "name", name,
+ "label", label,
+ "tooltip", tooltip,
+ "icon-name", icon_name,
+ NULL);
+
+ gimp_action_set_help_id (action, help_id);
+
+ return action;
+}
+
+
+/* private functions */
+
+static void
+gimp_action_impl_set_proxy (GimpActionImpl *impl,
+ GtkWidget *proxy)
+{
+ if (! GTK_IS_IMAGE_MENU_ITEM (proxy))
+ return;
+
+ if (impl->color)
+ {
+ GtkWidget *area;
+
+ area = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
+
+ if (GIMP_IS_COLOR_AREA (area))
+ {
+ gimp_color_area_set_color (GIMP_COLOR_AREA (area), impl->color);
+ }
+ else
+ {
+ gint width, height;
+
+ area = gimp_color_area_new (impl->color,
+ GIMP_COLOR_AREA_SMALL_CHECKS, 0);
+ gimp_color_area_set_draw_border (GIMP_COLOR_AREA (area), TRUE);
+
+ if (impl->context)
+ gimp_color_area_set_color_config (GIMP_COLOR_AREA (area),
+ impl->context->gimp->config->color_management);
+
+ gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (proxy),
+ GTK_ICON_SIZE_MENU,
+ &width, &height);
+
+ gtk_widget_set_size_request (area, width, height);
+ gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), area);
+ gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
+ TRUE);
+ gtk_widget_show (area);
+ }
+ }
+ else if (impl->viewable)
+ {
+ GtkWidget *view;
+
+ view = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
+
+ if (GIMP_IS_VIEW (view) &&
+ g_type_is_a (G_TYPE_FROM_INSTANCE (impl->viewable),
+ GIMP_VIEW (view)->renderer->viewable_type))
+ {
+ gimp_view_set_viewable (GIMP_VIEW (view), impl->viewable);
+ }
+ else
+ {
+ GtkIconSize size;
+ gint width, height;
+ gint border_width;
+
+ if (GIMP_IS_IMAGEFILE (impl->viewable))
+ {
+ size = GTK_ICON_SIZE_LARGE_TOOLBAR;
+ border_width = 0;
+ }
+ else
+ {
+ size = GTK_ICON_SIZE_MENU;
+ border_width = 1;
+ }
+
+ gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (proxy),
+ size, &width, &height);
+
+ view = gimp_view_new_full (impl->context, impl->viewable,
+ width, height, border_width,
+ FALSE, FALSE, FALSE);
+ gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), view);
+ gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
+ TRUE);
+ gtk_widget_show (view);
+ }
+ }
+ else
+ {
+ GtkWidget *image;
+
+ image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
+
+ if (GIMP_IS_VIEW (image) || GIMP_IS_COLOR_AREA (image))
+ {
+ gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
+ gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (proxy),
+ FALSE);
+ g_object_notify (G_OBJECT (impl), "icon-name");
+ }
+ }
+
+ {
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (proxy));
+
+ if (GTK_IS_BOX (child))
+ child = g_object_get_data (G_OBJECT (proxy), "gimp-menu-item-label");
+
+ if (GTK_IS_LABEL (child))
+ {
+ GtkLabel *label = GTK_LABEL (child);
+
+ gtk_label_set_ellipsize (label, impl->ellipsize);
+ gtk_label_set_max_width_chars (label, impl->max_width_chars);
+ }
+ }
+}