diff options
Diffstat (limited to 'app/widgets/gimpactionimpl.c')
| -rw-r--r-- | app/widgets/gimpactionimpl.c | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/app/widgets/gimpactionimpl.c b/app/widgets/gimpactionimpl.c new file mode 100644 index 0000000..1ebd404 --- /dev/null +++ b/app/widgets/gimpactionimpl.c @@ -0,0 +1,400 @@ +/* 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); + } + } +} |