mirror of https://github.com/GNOME/gimp.git
601 lines
19 KiB
C
601 lines
19 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimplayerlistitem.c
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* Copyright (C) 2001 Michael Natterer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "widgets-types.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpimage.h"
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#include "core/gimplayer.h"
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#include "core/gimplayermask.h"
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#include "gimpdnd.h"
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#include "gimplayerlistitem.h"
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#include "gimppreview.h"
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#include "gdisplay.h"
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static void gimp_layer_list_item_class_init (GimpLayerListItemClass *klass);
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static void gimp_layer_list_item_init (GimpLayerListItem *list_item);
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static void gimp_layer_list_item_set_viewable (GimpListItem *list_item,
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GimpViewable *viewable);
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static void gimp_layer_list_item_set_preview_size (GimpListItem *list_item);
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static gboolean gimp_layer_list_item_drag_motion (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time);
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static gboolean gimp_layer_list_item_drag_drop (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time);
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static void gimp_layer_list_item_state_changed (GtkWidget *widget,
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GtkStateType old_state);
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static void gimp_layer_list_item_linked_toggled (GtkWidget *widget,
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gpointer data);
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static void gimp_layer_list_item_linked_changed (GimpLayer *layer,
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gpointer data);
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static void gimp_layer_list_item_mask_changed (GimpLayer *layer,
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GimpLayerListItem *layer_item);
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static void gimp_layer_list_item_update_state (GtkWidget *widget);
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static void gimp_layer_list_item_layer_clicked (GtkWidget *widget,
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GimpLayer *layer);
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static void gimp_layer_list_item_mask_clicked (GtkWidget *widget,
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GimpLayerMask *mask);
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static void gimp_layer_list_item_mask_extended_clicked
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(GtkWidget *widget,
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guint state,
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GimpLayerMask *mask);
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static GimpDrawableListItemClass *parent_class = NULL;
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static GimpRGB black_color;
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static GimpRGB white_color;
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static GimpRGB green_color;
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static GimpRGB red_color;
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GtkType
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gimp_layer_list_item_get_type (void)
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{
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static GtkType list_item_type = 0;
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if (! list_item_type)
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{
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static const GtkTypeInfo list_item_info =
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{
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"GimpLayerListItem",
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sizeof (GimpLayerListItem),
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sizeof (GimpLayerListItemClass),
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(GtkClassInitFunc) gimp_layer_list_item_class_init,
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(GtkObjectInitFunc) gimp_layer_list_item_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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list_item_type = gtk_type_unique (GIMP_TYPE_DRAWABLE_LIST_ITEM,
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&list_item_info);
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}
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return list_item_type;
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}
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static void
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gimp_layer_list_item_class_init (GimpLayerListItemClass *klass)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GimpListItemClass *list_item_class;
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object_class = (GtkObjectClass *) klass;
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widget_class = (GtkWidgetClass *) klass;
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list_item_class = (GimpListItemClass *) klass;
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parent_class = gtk_type_class (GIMP_TYPE_DRAWABLE_LIST_ITEM);
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widget_class->drag_motion = gimp_layer_list_item_drag_motion;
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widget_class->drag_drop = gimp_layer_list_item_drag_drop;
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widget_class->state_changed = gimp_layer_list_item_state_changed;
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list_item_class->set_viewable = gimp_layer_list_item_set_viewable;
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list_item_class->set_preview_size = gimp_layer_list_item_set_preview_size;
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gimp_rgba_set (&black_color, 0.0, 0.0, 0.0, 1.0);
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gimp_rgba_set (&white_color, 1.0, 1.0, 1.0, 1.0);
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gimp_rgba_set (&green_color, 0.0, 1.0, 0.0, 1.0);
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gimp_rgba_set (&red_color, 1.0, 0.0, 0.0, 1.0);
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}
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static void
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gimp_layer_list_item_init (GimpLayerListItem *list_item)
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{
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GtkWidget *abox;
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GtkWidget *image;
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abox = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
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gtk_box_pack_start (GTK_BOX (GIMP_LIST_ITEM (list_item)->hbox), abox,
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FALSE, FALSE, 0);
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gtk_box_reorder_child (GTK_BOX (GIMP_LIST_ITEM (list_item)->hbox), abox, 1);
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gtk_widget_show (abox);
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list_item->linked_button = gtk_toggle_button_new ();
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gtk_button_set_relief (GTK_BUTTON (list_item->linked_button), GTK_RELIEF_NONE);
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gtk_container_add (GTK_CONTAINER (abox), list_item->linked_button);
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gtk_widget_show (list_item->linked_button);
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g_signal_connect (G_OBJECT (list_item->linked_button), "realize",
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G_CALLBACK (gimp_list_item_button_realize),
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list_item);
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g_signal_connect (G_OBJECT (list_item->linked_button), "state_changed",
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G_CALLBACK (gimp_list_item_button_state_changed),
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list_item);
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image = gtk_image_new_from_stock (GIMP_STOCK_LINKED,
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GTK_ICON_SIZE_BUTTON);
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gtk_container_add (GTK_CONTAINER (list_item->linked_button), image);
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gtk_widget_show (image);
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list_item->mask_preview = NULL;
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}
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static void
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gimp_layer_list_item_set_viewable (GimpListItem *list_item,
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GimpViewable *viewable)
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{
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GimpLayerListItem *layer_item;
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GimpLayer *layer;
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gboolean linked;
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if (GIMP_LIST_ITEM_CLASS (parent_class)->set_viewable)
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GIMP_LIST_ITEM_CLASS (parent_class)->set_viewable (list_item, viewable);
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gimp_preview_set_size (GIMP_PREVIEW (list_item->preview),
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list_item->preview_size, 2);
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layer_item = GIMP_LAYER_LIST_ITEM (list_item);
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layer = GIMP_LAYER (GIMP_PREVIEW (list_item->preview)->viewable);
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linked = gimp_layer_get_linked (layer);
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if (! linked)
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{
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GtkRequisition requisition;
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gtk_widget_size_request (layer_item->linked_button, &requisition);
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gtk_widget_set_usize (layer_item->linked_button,
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requisition.width,
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requisition.height);
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gtk_widget_hide (GTK_BIN (layer_item->linked_button)->child);
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}
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (layer_item->linked_button),
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linked);
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g_signal_connect (G_OBJECT (layer_item->linked_button), "toggled",
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G_CALLBACK (gimp_layer_list_item_linked_toggled),
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list_item);
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g_signal_connect_object (G_OBJECT (viewable), "linked_changed",
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G_CALLBACK (gimp_layer_list_item_linked_changed),
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G_OBJECT (list_item),
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0);
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g_signal_connect (G_OBJECT (list_item->preview), "clicked",
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G_CALLBACK (gimp_layer_list_item_layer_clicked),
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layer);
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if (gimp_layer_get_mask (layer))
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{
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gimp_layer_list_item_mask_changed (layer, layer_item);
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}
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g_signal_connect_object (G_OBJECT (layer), "mask_changed",
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G_CALLBACK (gimp_layer_list_item_mask_changed),
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G_OBJECT (list_item),
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0);
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}
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static void
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gimp_layer_list_item_set_preview_size (GimpListItem *list_item)
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{
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GimpLayerListItem *layer_item;
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if (GIMP_LIST_ITEM_CLASS (parent_class)->set_preview_size)
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GIMP_LIST_ITEM_CLASS (parent_class)->set_preview_size (list_item);
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layer_item = GIMP_LAYER_LIST_ITEM (list_item);
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if (layer_item->mask_preview)
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{
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GimpPreview *preview;
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preview = GIMP_PREVIEW (layer_item->mask_preview);
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gimp_preview_set_size (preview,
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list_item->preview_size, preview->border_width);
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}
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}
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static gboolean
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gimp_layer_list_item_drag_motion (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time)
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{
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GimpListItem *list_item;
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GimpLayer *layer;
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GimpViewable *src_viewable;
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gint dest_index;
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GdkDragAction drag_action;
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GimpDropType drop_type;
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gboolean return_val;
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list_item = GIMP_LIST_ITEM (widget);
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layer = GIMP_LAYER (GIMP_PREVIEW (list_item->preview)->viewable);
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return_val = gimp_list_item_check_drag (list_item, context, x, y,
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&src_viewable,
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&dest_index,
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&drag_action,
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&drop_type);
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if (! src_viewable ||
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! gimp_drawable_has_alpha (GIMP_DRAWABLE (src_viewable)) ||
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! layer ||
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! gimp_drawable_has_alpha (GIMP_DRAWABLE (layer)))
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{
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drag_action = GDK_ACTION_DEFAULT;
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drop_type = GIMP_DROP_NONE;
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return_val = FALSE;
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}
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gdk_drag_status (context, drag_action, time);
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if (list_item->drop_type != drop_type)
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{
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list_item->drop_type = drop_type;
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gtk_widget_queue_draw (widget);
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}
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return return_val;
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}
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static gboolean
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gimp_layer_list_item_drag_drop (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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guint time)
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{
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GimpListItem *list_item;
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GimpLayer *layer;
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GimpViewable *src_viewable;
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gint dest_index;
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GdkDragAction drag_action;
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GimpDropType drop_type;
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gboolean return_val;
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list_item = GIMP_LIST_ITEM (widget);
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layer = GIMP_LAYER (GIMP_PREVIEW (list_item->preview)->viewable);
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return_val = gimp_list_item_check_drag (list_item, context, x, y,
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&src_viewable,
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&dest_index,
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&drag_action,
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&drop_type);
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if (! gimp_drawable_has_alpha (GIMP_DRAWABLE (src_viewable)) ||
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! gimp_drawable_has_alpha (GIMP_DRAWABLE (layer)))
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{
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drag_action = GDK_ACTION_DEFAULT;
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drop_type = GIMP_DROP_NONE;
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return_val = FALSE;
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}
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gtk_drag_finish (context, return_val, FALSE, time);
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list_item->drop_type = GIMP_DROP_NONE;
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if (return_val)
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{
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gimp_image_position_layer (gimp_drawable_gimage (GIMP_DRAWABLE (src_viewable)),
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GIMP_LAYER (src_viewable),
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dest_index,
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TRUE);
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gdisplays_flush ();
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}
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return return_val;
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}
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static void
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gimp_layer_list_item_state_changed (GtkWidget *widget,
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GtkStateType old_state)
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{
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if (GTK_WIDGET_CLASS (parent_class)->state_changed)
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GTK_WIDGET_CLASS (parent_class)->state_changed (widget, old_state);
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gimp_layer_list_item_update_state (widget);
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}
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static void
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gimp_layer_list_item_linked_toggled (GtkWidget *widget,
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gpointer data)
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{
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GimpListItem *list_item;
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GimpLayer *layer;
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gboolean linked;
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list_item = GIMP_LIST_ITEM (data);
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layer = GIMP_LAYER (GIMP_PREVIEW (list_item->preview)->viewable);
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linked = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
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if (linked != gimp_layer_get_linked (layer))
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{
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if (! linked)
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{
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gtk_widget_set_usize (GTK_WIDGET (widget),
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GTK_WIDGET (widget)->allocation.width,
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GTK_WIDGET (widget)->allocation.height);
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gtk_widget_hide (GTK_BIN (widget)->child);
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}
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else
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{
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gtk_widget_show (GTK_BIN (widget)->child);
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gtk_widget_set_usize (GTK_WIDGET (widget), -1, -1);
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}
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g_signal_handlers_block_by_func (G_OBJECT (layer),
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gimp_layer_list_item_linked_changed,
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list_item);
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gimp_layer_set_linked (layer, linked);
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g_signal_handlers_unblock_by_func (G_OBJECT (layer),
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gimp_layer_list_item_linked_changed,
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list_item);
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}
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}
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static void
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gimp_layer_list_item_linked_changed (GimpLayer *layer,
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gpointer data)
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{
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GimpListItem *list_item;
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GtkToggleButton *toggle;
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gboolean linked;
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list_item = GIMP_LIST_ITEM (data);
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toggle = GTK_TOGGLE_BUTTON (GIMP_LAYER_LIST_ITEM (data)->linked_button);
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linked = gimp_layer_get_linked (layer);
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if (linked != toggle->active)
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{
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if (! linked)
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{
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gtk_widget_set_usize (GTK_WIDGET (toggle),
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GTK_WIDGET (toggle)->allocation.width,
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GTK_WIDGET (toggle)->allocation.height);
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gtk_widget_hide (GTK_BIN (toggle)->child);
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}
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else
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{
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gtk_widget_show (GTK_BIN (toggle)->child);
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gtk_widget_set_usize (GTK_WIDGET (toggle), -1, -1);
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}
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g_signal_handlers_block_by_func (G_OBJECT (toggle),
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gimp_layer_list_item_linked_toggled,
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list_item);
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gtk_toggle_button_set_active (toggle, linked);
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g_signal_handlers_unblock_by_func (G_OBJECT (toggle),
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gimp_layer_list_item_linked_toggled,
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list_item);
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}
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}
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static void
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gimp_layer_list_item_mask_changed (GimpLayer *layer,
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GimpLayerListItem *layer_item)
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{
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GimpListItem *list_item;
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GimpLayerMask *mask;
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list_item = GIMP_LIST_ITEM (layer_item);
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mask = gimp_layer_get_mask (layer);
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if (mask && ! layer_item->mask_preview)
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{
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layer_item->mask_preview = gimp_preview_new (GIMP_VIEWABLE (mask),
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list_item->preview_size,
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2, FALSE);
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GIMP_PREVIEW (layer_item->mask_preview)->clickable = TRUE;
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gtk_box_pack_start (GTK_BOX (list_item->hbox), layer_item->mask_preview,
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FALSE, FALSE, 0);
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gtk_box_reorder_child (GTK_BOX (list_item->hbox),
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layer_item->mask_preview, 3);
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gtk_widget_show (layer_item->mask_preview);
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g_signal_connect (G_OBJECT (layer_item->mask_preview), "clicked",
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G_CALLBACK (gimp_layer_list_item_mask_clicked),
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mask);
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g_signal_connect (G_OBJECT (layer_item->mask_preview), "extended_clicked",
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G_CALLBACK (gimp_layer_list_item_mask_extended_clicked),
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mask);
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g_signal_connect_object (G_OBJECT (mask), "apply_changed",
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G_CALLBACK (gimp_layer_list_item_update_state),
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G_OBJECT (layer_item),
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G_CONNECT_SWAPPED);
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g_signal_connect_object (G_OBJECT (mask), "edit_changed",
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G_CALLBACK (gimp_layer_list_item_update_state),
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G_OBJECT (layer_item),
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G_CONNECT_SWAPPED);
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g_signal_connect_object (G_OBJECT (mask), "show_changed",
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G_CALLBACK (gimp_layer_list_item_update_state),
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G_OBJECT (layer_item),
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G_CONNECT_SWAPPED);
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}
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else if (! mask && layer_item->mask_preview)
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{
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gtk_widget_destroy (layer_item->mask_preview);
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layer_item->mask_preview = NULL;
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}
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gimp_layer_list_item_update_state (GTK_WIDGET (layer_item));
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}
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static void
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gimp_layer_list_item_update_state (GtkWidget *widget)
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{
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GimpLayerListItem *layer_item;
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GimpListItem *list_item;
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GimpLayer *layer;
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GimpLayerMask *mask;
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|
GimpPreview *preview;
|
|
GimpRGB *layer_color;
|
|
GimpRGB *mask_color;
|
|
GimpRGB bg_color;
|
|
|
|
gimp_rgb_set_uchar (&bg_color,
|
|
widget->style->base[widget->state].red >> 8,
|
|
widget->style->base[widget->state].green >> 8,
|
|
widget->style->base[widget->state].blue >> 8);
|
|
|
|
layer_color = &bg_color;
|
|
mask_color = &bg_color;
|
|
|
|
layer_item = GIMP_LAYER_LIST_ITEM (widget);
|
|
list_item = GIMP_LIST_ITEM (widget);
|
|
layer = GIMP_LAYER (GIMP_PREVIEW (list_item->preview)->viewable);
|
|
mask = gimp_layer_get_mask (layer);
|
|
|
|
if (! mask || (mask && ! gimp_layer_mask_get_edit (mask)))
|
|
{
|
|
if (widget->state == GTK_STATE_SELECTED)
|
|
layer_color = &white_color;
|
|
else
|
|
layer_color = &black_color;
|
|
}
|
|
|
|
if (mask)
|
|
{
|
|
if (gimp_layer_mask_get_show (mask))
|
|
{
|
|
mask_color = &green_color;
|
|
}
|
|
else if (! gimp_layer_mask_get_apply (mask))
|
|
{
|
|
mask_color = &red_color;
|
|
}
|
|
else if (gimp_layer_mask_get_edit (mask))
|
|
{
|
|
if (widget->state == GTK_STATE_SELECTED)
|
|
mask_color = &white_color;
|
|
else
|
|
mask_color = &black_color;
|
|
}
|
|
}
|
|
|
|
preview = GIMP_PREVIEW (list_item->preview);
|
|
|
|
gimp_preview_set_border_color (preview, layer_color);
|
|
|
|
if (mask)
|
|
{
|
|
preview = GIMP_PREVIEW (layer_item->mask_preview);
|
|
|
|
gimp_preview_set_border_color (preview, mask_color);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_layer_list_item_layer_clicked (GtkWidget *widget,
|
|
GimpLayer *layer)
|
|
{
|
|
GimpLayerMask *mask;
|
|
|
|
mask = gimp_layer_get_mask (layer);
|
|
|
|
if (mask)
|
|
{
|
|
if (gimp_layer_mask_get_edit (mask))
|
|
gimp_layer_mask_set_edit (mask, FALSE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_layer_list_item_mask_clicked (GtkWidget *widget,
|
|
GimpLayerMask *mask)
|
|
{
|
|
if (! gimp_layer_mask_get_edit (mask))
|
|
gimp_layer_mask_set_edit (mask, TRUE);
|
|
}
|
|
|
|
static void
|
|
gimp_layer_list_item_mask_extended_clicked (GtkWidget *widget,
|
|
guint state,
|
|
GimpLayerMask *mask)
|
|
{
|
|
gboolean flush = FALSE;
|
|
|
|
if (state & GDK_MOD1_MASK)
|
|
{
|
|
gimp_layer_mask_set_show (mask, ! gimp_layer_mask_get_show (mask));
|
|
|
|
flush = TRUE;
|
|
}
|
|
else if (state & GDK_CONTROL_MASK)
|
|
{
|
|
gimp_layer_mask_set_apply (mask, ! gimp_layer_mask_get_apply (mask));
|
|
|
|
flush = TRUE;
|
|
}
|
|
|
|
if (flush)
|
|
gdisplays_flush ();
|
|
}
|