diff options
Diffstat (limited to 'app/dialogs/layer-add-mask-dialog.c')
| -rw-r--r-- | app/dialogs/layer-add-mask-dialog.c | 229 |
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; +} |