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Diffstat (limited to 'app/widgets/gimpimageeditor.c')
| -rw-r--r-- | app/widgets/gimpimageeditor.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/app/widgets/gimpimageeditor.c b/app/widgets/gimpimageeditor.c new file mode 100644 index 0000000..fc567e5 --- /dev/null +++ b/app/widgets/gimpimageeditor.c @@ -0,0 +1,179 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * 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 "widgets-types.h" + +#include "core/gimpcontext.h" +#include "core/gimpimage.h" + +#include "gimpdocked.h" +#include "gimpimageeditor.h" +#include "gimpuimanager.h" + + +static void gimp_image_editor_docked_iface_init (GimpDockedInterface *iface); + +static void gimp_image_editor_set_context (GimpDocked *docked, + GimpContext *context); + +static void gimp_image_editor_dispose (GObject *object); + +static void gimp_image_editor_real_set_image (GimpImageEditor *editor, + GimpImage *image); +static void gimp_image_editor_image_flush (GimpImage *image, + gboolean invalidate_preview, + GimpImageEditor *editor); + + +G_DEFINE_TYPE_WITH_CODE (GimpImageEditor, gimp_image_editor, GIMP_TYPE_EDITOR, + G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED, + gimp_image_editor_docked_iface_init)) + +#define parent_class gimp_image_editor_parent_class + + +static void +gimp_image_editor_class_init (GimpImageEditorClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gimp_image_editor_dispose; + + klass->set_image = gimp_image_editor_real_set_image; +} + +static void +gimp_image_editor_init (GimpImageEditor *editor) +{ + editor->image = NULL; + + gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE); +} + +static void +gimp_image_editor_docked_iface_init (GimpDockedInterface *iface) +{ + iface->set_context = gimp_image_editor_set_context; +} + +static void +gimp_image_editor_set_context (GimpDocked *docked, + GimpContext *context) +{ + GimpImageEditor *editor = GIMP_IMAGE_EDITOR (docked); + GimpImage *image = NULL; + + if (editor->context) + { + g_signal_handlers_disconnect_by_func (editor->context, + gimp_image_editor_set_image, + editor); + + g_object_unref (editor->context); + } + + editor->context = context; + + if (context) + { + g_object_ref (editor->context); + + g_signal_connect_swapped (context, "image-changed", + G_CALLBACK (gimp_image_editor_set_image), + editor); + + image = gimp_context_get_image (context); + } + + gimp_image_editor_set_image (editor, image); +} + +static void +gimp_image_editor_dispose (GObject *object) +{ + GimpImageEditor *editor = GIMP_IMAGE_EDITOR (object); + + if (editor->image) + gimp_image_editor_set_image (editor, NULL); + + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +static void +gimp_image_editor_real_set_image (GimpImageEditor *editor, + GimpImage *image) +{ + if (editor->image) + g_signal_handlers_disconnect_by_func (editor->image, + gimp_image_editor_image_flush, + editor); + + editor->image = image; + + if (editor->image) + g_signal_connect (editor->image, "flush", + G_CALLBACK (gimp_image_editor_image_flush), + editor); + + gtk_widget_set_sensitive (GTK_WIDGET (editor), image != NULL); +} + + +/* public functions */ + +void +gimp_image_editor_set_image (GimpImageEditor *editor, + GimpImage *image) +{ + g_return_if_fail (GIMP_IS_IMAGE_EDITOR (editor)); + g_return_if_fail (image == NULL || GIMP_IS_IMAGE (image)); + + if (image != editor->image) + { + GIMP_IMAGE_EDITOR_GET_CLASS (editor)->set_image (editor, image); + + if (gimp_editor_get_ui_manager (GIMP_EDITOR (editor))) + gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)), + gimp_editor_get_popup_data (GIMP_EDITOR (editor))); + } +} + +GimpImage * +gimp_image_editor_get_image (GimpImageEditor *editor) +{ + g_return_val_if_fail (GIMP_IS_IMAGE_EDITOR (editor), NULL); + + return editor->image; +} + + +/* private functions */ + +static void +gimp_image_editor_image_flush (GimpImage *image, + gboolean invalidate_preview, + GimpImageEditor *editor) +{ + if (gimp_editor_get_ui_manager (GIMP_EDITOR (editor))) + gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)), + gimp_editor_get_popup_data (GIMP_EDITOR (editor))); +} |