diff options
Diffstat (limited to 'app/widgets/gimpprocedureaction.c')
| -rw-r--r-- | app/widgets/gimpprocedureaction.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/app/widgets/gimpprocedureaction.c b/app/widgets/gimpprocedureaction.c new file mode 100644 index 0000000..596273c --- /dev/null +++ b/app/widgets/gimpprocedureaction.c @@ -0,0 +1,228 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpprocedureaction.c + * Copyright (C) 2004-2016 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 <gtk/gtk.h> +#include <gegl.h> + +#include "widgets-types.h" + +#include "pdb/gimpprocedure.h" + +#include "gimpaction.h" +#include "gimpaction-history.h" +#include "gimpprocedureaction.h" + + +enum +{ + PROP_0, + PROP_PROCEDURE +}; + + +static void gimp_procedure_action_finalize (GObject *object); +static void gimp_procedure_action_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_procedure_action_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec); + +static void gimp_procedure_action_activate (GtkAction *action); +static void gimp_procedure_action_connect_proxy (GtkAction *action, + GtkWidget *proxy); + + +G_DEFINE_TYPE (GimpProcedureAction, gimp_procedure_action, + GIMP_TYPE_ACTION_IMPL) + +#define parent_class gimp_procedure_action_parent_class + + +static void +gimp_procedure_action_class_init (GimpProcedureActionClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkActionClass *action_class = GTK_ACTION_CLASS (klass); + + object_class->finalize = gimp_procedure_action_finalize; + object_class->set_property = gimp_procedure_action_set_property; + object_class->get_property = gimp_procedure_action_get_property; + + action_class->activate = gimp_procedure_action_activate; + action_class->connect_proxy = gimp_procedure_action_connect_proxy; + + g_object_class_install_property (object_class, PROP_PROCEDURE, + g_param_spec_object ("procedure", + NULL, NULL, + GIMP_TYPE_PROCEDURE, + GIMP_PARAM_READWRITE)); +} + +static void +gimp_procedure_action_init (GimpProcedureAction *action) +{ +} + +static void +gimp_procedure_action_finalize (GObject *object) +{ + GimpProcedureAction *action = GIMP_PROCEDURE_ACTION (object); + + g_clear_object (&action->procedure); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_procedure_action_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GimpProcedureAction *action = GIMP_PROCEDURE_ACTION (object); + + switch (prop_id) + { + case PROP_PROCEDURE: + g_value_set_object (value, action->procedure); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gimp_procedure_action_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpProcedureAction *action = GIMP_PROCEDURE_ACTION (object); + + switch (prop_id) + { + case PROP_PROCEDURE: + if (action->procedure) + g_object_unref (action->procedure); + action->procedure = g_value_dup_object (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gimp_procedure_action_activate (GtkAction *action) +{ + GimpProcedureAction *procedure_action = GIMP_PROCEDURE_ACTION (action); + + /* Not all actions have procedures associated with them, for example + * unused "filters-recent-[N]" actions, so check for NULL before we + * invoke the action + */ + if (procedure_action->procedure) + { + gsize hack = GPOINTER_TO_SIZE (procedure_action->procedure); + + gimp_action_emit_activate (GIMP_ACTION (action), + g_variant_new_uint64 (hack)); + + gimp_action_history_action_activated (GIMP_ACTION (action)); + } +} + +static void +gimp_procedure_action_connect_proxy (GtkAction *action, + GtkWidget *proxy) +{ + GimpProcedureAction *procedure_action = GIMP_PROCEDURE_ACTION (action); + + GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy); + + if (GTK_IS_IMAGE_MENU_ITEM (proxy) && procedure_action->procedure) + { + GdkPixbuf *pixbuf; + + g_object_get (procedure_action->procedure, + "icon-pixbuf", &pixbuf, + NULL); + + if (pixbuf) + { + GtkSettings *settings = gtk_widget_get_settings (proxy); + gint width; + gint height; + GtkWidget *image; + + gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU, + &width, &height); + + if (width != gdk_pixbuf_get_width (pixbuf) || + height != gdk_pixbuf_get_height (pixbuf)) + { + GdkPixbuf *copy; + + copy = gdk_pixbuf_scale_simple (pixbuf, width, height, + GDK_INTERP_BILINEAR); + g_object_unref (pixbuf); + pixbuf = copy; + } + + image = gtk_image_new_from_pixbuf (pixbuf); + gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), image); + g_object_unref (pixbuf); + } + } +} + + +/* public functions */ + +GimpProcedureAction * +gimp_procedure_action_new (const gchar *name, + const gchar *label, + const gchar *tooltip, + const gchar *icon_name, + const gchar *help_id, + GimpProcedure *procedure) +{ + GimpProcedureAction *action; + + action = g_object_new (GIMP_TYPE_PROCEDURE_ACTION, + "name", name, + "label", label, + "tooltip", tooltip, + "icon-name", icon_name, + "procedure", procedure, + NULL); + + gimp_action_set_help_id (GIMP_ACTION (action), help_id); + + return action; +} |