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-rw-r--r--app/dialogs/layer-add-mask-dialog.c229
1 files changed, 229 insertions, 0 deletions
diff --git a/app/dialogs/layer-add-mask-dialog.c b/app/dialogs/layer-add-mask-dialog.c
new file mode 100644
index 0000000..475d8ab
--- /dev/null
+++ b/app/dialogs/layer-add-mask-dialog.c
@@ -0,0 +1,229 @@
+/* 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 "libgimpwidgets/gimpwidgets.h"
+
+#include "dialogs-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpchannel.h"
+#include "core/gimpcontainer.h"
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+#include "core/gimplayer.h"
+
+#include "widgets/gimpcontainercombobox.h"
+#include "widgets/gimpcontainerview.h"
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpviewabledialog.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "layer-add-mask-dialog.h"
+
+#include "gimp-intl.h"
+
+
+typedef struct _LayerAddMaskDialog LayerAddMaskDialog;
+
+struct _LayerAddMaskDialog
+{
+ GimpLayer *layer;
+ GimpAddMaskType add_mask_type;
+ GimpChannel *channel;
+ gboolean invert;
+ GimpAddMaskCallback callback;
+ gpointer user_data;
+};
+
+
+/* local function prototypes */
+
+static void layer_add_mask_dialog_free (LayerAddMaskDialog *private);
+static void layer_add_mask_dialog_response (GtkWidget *dialog,
+ gint response_id,
+ LayerAddMaskDialog *private);
+static gboolean layer_add_mask_dialog_channel_selected (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer insert_data,
+ LayerAddMaskDialog *dialog);
+
+
+/* public functions */
+
+GtkWidget *
+layer_add_mask_dialog_new (GimpLayer *layer,
+ GimpContext *context,
+ GtkWidget *parent,
+ GimpAddMaskType add_mask_type,
+ gboolean invert,
+ GimpAddMaskCallback callback,
+ gpointer user_data)
+{
+ LayerAddMaskDialog *private;
+ GtkWidget *dialog;
+ GtkWidget *vbox;
+ GtkWidget *frame;
+ GtkWidget *combo;
+ GtkWidget *button;
+ GimpImage *image;
+ GimpChannel *channel;
+
+ g_return_val_if_fail (GIMP_IS_LAYER (layer), NULL);
+ g_return_val_if_fail (GTK_IS_WIDGET (parent), NULL);
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+
+ private = g_slice_new0 (LayerAddMaskDialog);
+
+ private->layer = layer;
+ private->add_mask_type = add_mask_type;
+ private->invert = invert;
+ private->callback = callback;
+ private->user_data = user_data;
+
+ dialog = gimp_viewable_dialog_new (GIMP_VIEWABLE (layer), context,
+ _("Add Layer Mask"), "gimp-layer-add-mask",
+ GIMP_ICON_LAYER_MASK,
+ _("Add a Mask to the Layer"),
+ parent,
+ gimp_standard_help_func,
+ GIMP_HELP_LAYER_MASK_ADD,
+
+ _("_Cancel"), GTK_RESPONSE_CANCEL,
+ _("_Add"), GTK_RESPONSE_OK,
+
+ NULL);
+
+ gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+ GTK_RESPONSE_OK,
+ GTK_RESPONSE_CANCEL,
+ -1);
+
+ gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+
+ g_object_weak_ref (G_OBJECT (dialog),
+ (GWeakNotify) layer_add_mask_dialog_free, private);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (layer_add_mask_dialog_response),
+ private);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
+ gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
+ vbox, TRUE, TRUE, 0);
+ gtk_widget_show (vbox);
+
+ frame =
+ gimp_enum_radio_frame_new (GIMP_TYPE_ADD_MASK_TYPE,
+ gtk_label_new (_("Initialize Layer Mask to:")),
+ G_CALLBACK (gimp_radio_button_update),
+ &private->add_mask_type,
+ &button);
+ gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button),
+ private->add_mask_type);
+
+ gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ image = gimp_item_get_image (GIMP_ITEM (layer));
+
+ combo = gimp_container_combo_box_new (gimp_image_get_channels (image),
+ context,
+ GIMP_VIEW_SIZE_SMALL, 1);
+ gimp_enum_radio_frame_add (GTK_FRAME (frame), combo,
+ GIMP_ADD_MASK_CHANNEL, TRUE);
+ gtk_widget_show (combo);
+
+ g_signal_connect (combo, "select-item",
+ G_CALLBACK (layer_add_mask_dialog_channel_selected),
+ private);
+
+ channel = gimp_image_get_active_channel (image);
+
+ if (! channel)
+ channel = GIMP_CHANNEL (gimp_container_get_first_child (gimp_image_get_channels (image)));
+
+ gimp_container_view_select_item (GIMP_CONTAINER_VIEW (combo),
+ GIMP_VIEWABLE (channel));
+
+ button = gtk_check_button_new_with_mnemonic (_("In_vert mask"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), private->invert);
+ gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &private->invert);
+
+ return dialog;
+}
+
+
+/* private functions */
+
+static void
+layer_add_mask_dialog_free (LayerAddMaskDialog *private)
+{
+ g_slice_free (LayerAddMaskDialog, private);
+}
+
+static void
+layer_add_mask_dialog_response (GtkWidget *dialog,
+ gint response_id,
+ LayerAddMaskDialog *private)
+{
+ if (response_id == GTK_RESPONSE_OK)
+ {
+ GimpImage *image = gimp_item_get_image (GIMP_ITEM (private->layer));
+
+ if (private->add_mask_type == GIMP_ADD_MASK_CHANNEL &&
+ ! private->channel)
+ {
+ gimp_message_literal (image->gimp,
+ G_OBJECT (dialog), GIMP_MESSAGE_WARNING,
+ _("Please select a channel first"));
+ return;
+ }
+
+ private->callback (dialog,
+ private->layer,
+ private->add_mask_type,
+ private->channel,
+ private->invert,
+ private->user_data);
+ }
+ else
+ {
+ gtk_widget_destroy (dialog);
+ }
+}
+
+static gboolean
+layer_add_mask_dialog_channel_selected (GimpContainerView *view,
+ GimpViewable *viewable,
+ gpointer insert_data,
+ LayerAddMaskDialog *private)
+{
+ private->channel = GIMP_CHANNEL (viewable);
+
+ return TRUE;
+}