mirror of https://github.com/GNOME/gimp.git
529 lines
15 KiB
C
529 lines
15 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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* 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 "libgimpmath/gimpmath.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "apptypes.h"
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#include "drawable.h"
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#include "gdisplay.h"
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#include "gimpcontainer.h"
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#include "gimplayer.h"
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#include "gimplayerlistview.h"
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#include "gimpdnd.h"
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#include "gimpimage.h"
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#include "gimplistitem.h"
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#include "gimpmarshal.h"
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#include "gimprc.h"
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#include "gimpviewable.h"
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#include "tools/paint_options.h"
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#include "libgimp/gimpintl.h"
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#include "pixmaps/anchor.xpm"
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static void gimp_layer_list_view_class_init (GimpLayerListViewClass *klass);
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static void gimp_layer_list_view_init (GimpLayerListView *view);
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static void gimp_layer_list_view_destroy (GtkObject *object);
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static void gimp_layer_list_view_set_container (GimpContainerView *view,
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GimpContainer *container);
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static void gimp_layer_list_view_select_item (GimpContainerView *view,
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GimpViewable *item,
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gpointer insert_data);
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static void gimp_layer_list_view_anchor_layer (GimpLayerListView *view,
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GimpLayer *layer);
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static void gimp_layer_list_view_anchor_clicked (GtkWidget *widget,
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GimpLayerListView *view);
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static void gimp_layer_list_view_anchor_dropped (GtkWidget *widget,
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GimpViewable *viewable,
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gpointer data);
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static void gimp_layer_list_view_paint_mode_menu_callback
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(GtkWidget *widget,
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GimpLayerListView *view);
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static void gimp_layer_list_view_preserve_button_toggled
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(GtkWidget *widget,
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GimpLayerListView *view);
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static void gimp_layer_list_view_opacity_scale_changed
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(GtkAdjustment *adjustment,
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GimpLayerListView *view);
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static void gimp_layer_list_view_layer_signal_handler
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(GimpLayer *layer,
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GimpLayerListView *view);
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static void gimp_layer_list_view_update_options (GimpLayerListView *view,
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GimpLayer *layer);
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static GimpDrawableListViewClass *parent_class = NULL;
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GtkType
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gimp_layer_list_view_get_type (void)
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{
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static guint view_type = 0;
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if (! view_type)
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{
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GtkTypeInfo view_info =
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{
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"GimpLayerListView",
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sizeof (GimpLayerListView),
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sizeof (GimpLayerListViewClass),
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(GtkClassInitFunc) gimp_layer_list_view_class_init,
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(GtkObjectInitFunc) gimp_layer_list_view_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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view_type = gtk_type_unique (GIMP_TYPE_DRAWABLE_LIST_VIEW, &view_info);
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}
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return view_type;
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}
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static void
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gimp_layer_list_view_class_init (GimpLayerListViewClass *klass)
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{
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GtkObjectClass *object_class;
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GimpContainerViewClass *container_view_class;
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object_class = (GtkObjectClass *) klass;
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container_view_class = (GimpContainerViewClass *) klass;
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parent_class = gtk_type_class (GIMP_TYPE_DRAWABLE_LIST_VIEW);
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object_class->destroy = gimp_layer_list_view_destroy;
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container_view_class->set_container = gimp_layer_list_view_set_container;
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container_view_class->select_item = gimp_layer_list_view_select_item;
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}
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static void
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gimp_layer_list_view_init (GimpLayerListView *view)
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{
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GimpDrawableListView *drawable_view;
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GtkWidget *hbox;
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GtkWidget *label;
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GtkWidget *slider;
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GtkWidget *pixmap;
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drawable_view = GIMP_DRAWABLE_LIST_VIEW (view);
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view->options_box = gtk_vbox_new (FALSE, 2);
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gtk_box_pack_start (GTK_BOX (view), view->options_box, FALSE, FALSE, 0);
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gtk_box_reorder_child (GTK_BOX (view), view->options_box, 0);
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gtk_widget_show (view->options_box);
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hbox = gtk_hbox_new (FALSE, 2);
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gtk_box_pack_start (GTK_BOX (view->options_box), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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/* Paint mode menu */
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label = gtk_label_new (_("Mode:"));
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gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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view->paint_mode_menu =
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paint_mode_menu_new (gimp_layer_list_view_paint_mode_menu_callback, view,
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FALSE, NORMAL_MODE);
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gtk_box_pack_start (GTK_BOX (hbox), view->paint_mode_menu, FALSE, FALSE, 2);
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gtk_widget_show (view->paint_mode_menu);
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gimp_help_set_help_data (view->paint_mode_menu,
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NULL, "#paint_mode_menu");
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/* Preserve transparency toggle */
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view->preserve_trans_toggle =
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gtk_check_button_new_with_label (_("Keep Trans."));
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gtk_box_pack_start (GTK_BOX (hbox), view->preserve_trans_toggle,
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FALSE, FALSE, 2);
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gtk_widget_show (view->preserve_trans_toggle);
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gtk_signal_connect (GTK_OBJECT (view->preserve_trans_toggle), "toggled",
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GTK_SIGNAL_FUNC (gimp_layer_list_view_preserve_button_toggled),
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view);
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gimp_help_set_help_data (view->preserve_trans_toggle,
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_("Keep Transparency"), "#keep_trans_button");
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hbox = gtk_hbox_new (FALSE, 2);
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gtk_box_pack_start (GTK_BOX (view->options_box), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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/* Opacity scale */
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label = gtk_label_new (_("Opacity:"));
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gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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view->opacity_adjustment =
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GTK_ADJUSTMENT (gtk_adjustment_new (100.0, 0.0, 100.0, 1.0, 1.0, 0.0));
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gtk_signal_connect (GTK_OBJECT (view->opacity_adjustment), "value_changed",
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GTK_SIGNAL_FUNC (gimp_layer_list_view_opacity_scale_changed),
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view);
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slider = gtk_hscale_new (view->opacity_adjustment);
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gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_RIGHT);
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gtk_box_pack_start (GTK_BOX (hbox), slider, TRUE, TRUE, 0);
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gtk_widget_show (slider);
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gimp_help_set_help_data (slider, NULL, "#opacity_scale");
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/* Anchor button */
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view->anchor_button = gtk_button_new ();
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gtk_box_pack_start (GTK_BOX (drawable_view->button_box), view->anchor_button,
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TRUE, TRUE, 0);
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gtk_box_reorder_child (GTK_BOX (drawable_view->button_box),
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view->anchor_button, 5);
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gtk_widget_show (view->anchor_button);
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gimp_help_set_help_data (view->anchor_button, _("Anchor"), NULL);
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gtk_signal_connect (GTK_OBJECT (view->anchor_button), "clicked",
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GTK_SIGNAL_FUNC (gimp_layer_list_view_anchor_clicked),
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view);
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pixmap = gimp_pixmap_new (anchor_xpm);
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gtk_container_add (GTK_CONTAINER (view->anchor_button), pixmap);
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gtk_widget_show (pixmap);
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gimp_gtk_drag_dest_set_by_type (GTK_WIDGET (view->anchor_button),
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GTK_DEST_DEFAULT_ALL,
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GIMP_TYPE_LAYER,
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GDK_ACTION_COPY);
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gimp_dnd_viewable_dest_set (GTK_WIDGET (view->anchor_button),
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GIMP_TYPE_LAYER,
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gimp_layer_list_view_anchor_dropped,
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view);
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gtk_widget_set_sensitive (view->options_box, FALSE);
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gtk_widget_set_sensitive (view->anchor_button, FALSE);
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view->mode_changed_handler_id = 0;
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view->opacity_changed_handler_id = 0;
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view->preserve_trans_changed_handler_id = 0;
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}
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static void
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gimp_layer_list_view_destroy (GtkObject *object)
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{
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GimpLayerListView *view;
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view = GIMP_LAYER_LIST_VIEW (object);
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if (GTK_OBJECT_CLASS (parent_class)->destroy)
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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/* GimpContainerView methods */
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static void
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gimp_layer_list_view_set_container (GimpContainerView *view,
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GimpContainer *container)
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{
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GimpLayerListView *layer_view;
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layer_view = GIMP_LAYER_LIST_VIEW (view);
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if (view->container)
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{
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gimp_container_remove_handler (view->container,
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layer_view->mode_changed_handler_id);
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gimp_container_remove_handler (view->container,
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layer_view->opacity_changed_handler_id);
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gimp_container_remove_handler (view->container,
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layer_view->preserve_trans_changed_handler_id);
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}
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if (GIMP_CONTAINER_VIEW_CLASS (parent_class)->set_container)
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GIMP_CONTAINER_VIEW_CLASS (parent_class)->set_container (view, container);
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if (view->container)
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{
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layer_view->mode_changed_handler_id =
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gimp_container_add_handler (view->container, "mode_changed",
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gimp_layer_list_view_layer_signal_handler,
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view);
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layer_view->opacity_changed_handler_id =
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gimp_container_add_handler (view->container, "opacity_changed",
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gimp_layer_list_view_layer_signal_handler,
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view);
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layer_view->preserve_trans_changed_handler_id =
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gimp_container_add_handler (view->container, "preserve_trans_changed",
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gimp_layer_list_view_layer_signal_handler,
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view);
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}
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}
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static void
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gimp_layer_list_view_select_item (GimpContainerView *view,
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GimpViewable *item,
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gpointer insert_data)
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{
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GimpLayerListView *list_view;
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gboolean options_sensitive = FALSE;
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gboolean anchor_sensitive = FALSE;
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list_view = GIMP_LAYER_LIST_VIEW (view);
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if (GIMP_CONTAINER_VIEW_CLASS (parent_class)->select_item)
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GIMP_CONTAINER_VIEW_CLASS (parent_class)->select_item (view,
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item,
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insert_data);
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if (item)
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{
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gimp_layer_list_view_update_options (list_view, GIMP_LAYER (item));
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options_sensitive = TRUE;
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if (gimp_layer_is_floating_sel (GIMP_LAYER (item)))
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{
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anchor_sensitive = TRUE;
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}
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}
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gtk_widget_set_sensitive (list_view->options_box, options_sensitive);
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gtk_widget_set_sensitive (list_view->anchor_button, anchor_sensitive);
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}
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/* "Anchor" functions */
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static void
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gimp_layer_list_view_anchor_layer (GimpLayerListView *view,
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GimpLayer *layer)
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{
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if (layer)
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g_print ("anchor \"%s\"\n", GIMP_OBJECT (layer)->name);
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}
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static void
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gimp_layer_list_view_anchor_clicked (GtkWidget *widget,
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GimpLayerListView *view)
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{
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GimpDrawableListView *drawable_view;
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GimpDrawable *drawable;
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drawable_view = GIMP_DRAWABLE_LIST_VIEW (view);
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drawable = drawable_view->get_drawable_func (drawable_view->gimage);
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if (drawable)
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gimp_layer_list_view_anchor_layer (view, GIMP_LAYER (drawable));
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}
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static void
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gimp_layer_list_view_anchor_dropped (GtkWidget *widget,
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GimpViewable *viewable,
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gpointer data)
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{
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GimpLayerListView *view;
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view = (GimpLayerListView *) data;
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if (viewable && gimp_container_have (GIMP_CONTAINER_VIEW (view)->container,
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GIMP_OBJECT (viewable)))
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{
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gimp_layer_list_view_anchor_layer (view, GIMP_LAYER (viewable));
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}
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}
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/* Paint Mode, Opacity and Preservce trans. callbacks */
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#define BLOCK() \
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gtk_signal_handler_block_by_func (GTK_OBJECT (layer), \
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gimp_layer_list_view_layer_signal_handler, view)
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#define UNBLOCK() \
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gtk_signal_handler_unblock_by_func (GTK_OBJECT (layer), \
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gimp_layer_list_view_layer_signal_handler, view)
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static void
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gimp_layer_list_view_paint_mode_menu_callback (GtkWidget *widget,
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GimpLayerListView *view)
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{
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GimpDrawableListView *drawable_view;
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GimpLayer *layer;
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drawable_view = GIMP_DRAWABLE_LIST_VIEW (view);
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layer = (GimpLayer *) drawable_view->get_drawable_func (drawable_view->gimage);
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if (layer)
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{
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LayerModeEffects mode;
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mode = (LayerModeEffects)
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GPOINTER_TO_INT (gtk_object_get_user_data (GTK_OBJECT (widget)));
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if (gimp_layer_get_mode (layer) != mode)
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{
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BLOCK();
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gimp_layer_set_mode (layer, mode);
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UNBLOCK();
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drawable_update (GIMP_DRAWABLE (layer), 0, 0,
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GIMP_DRAWABLE (layer)->width,
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GIMP_DRAWABLE (layer)->height);
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gdisplays_flush ();
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}
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}
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}
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static void
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gimp_layer_list_view_preserve_button_toggled (GtkWidget *widget,
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GimpLayerListView *view)
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{
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GimpDrawableListView *drawable_view;
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GimpLayer *layer;
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drawable_view = GIMP_DRAWABLE_LIST_VIEW (view);
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layer = (GimpLayer *) drawable_view->get_drawable_func (drawable_view->gimage);
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if (layer)
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{
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gboolean preserve_trans;
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preserve_trans = GTK_TOGGLE_BUTTON (widget)->active;
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if (gimp_layer_get_preserve_trans (layer) != preserve_trans)
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{
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BLOCK();
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gimp_layer_set_preserve_trans (layer, preserve_trans);
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UNBLOCK();
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}
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}
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}
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static void
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gimp_layer_list_view_opacity_scale_changed (GtkAdjustment *adjustment,
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GimpLayerListView *view)
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{
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GimpDrawableListView *drawable_view;
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GimpLayer *layer;
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drawable_view = GIMP_DRAWABLE_LIST_VIEW (view);
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layer = (GimpLayer *) drawable_view->get_drawable_func (drawable_view->gimage);
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if (layer)
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{
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gdouble opacity;
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opacity = adjustment->value / 100.0;
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if (gimp_layer_get_opacity (layer) != opacity)
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{
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BLOCK();
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gimp_layer_set_opacity (layer, opacity);
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UNBLOCK();
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drawable_update (GIMP_DRAWABLE (layer), 0, 0,
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GIMP_DRAWABLE (layer)->width,
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GIMP_DRAWABLE (layer)->height);
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gdisplays_flush ();
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}
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}
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}
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#undef BLOCK
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#undef UNBLOCK
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static void
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gimp_layer_list_view_layer_signal_handler (GimpLayer *layer,
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GimpLayerListView *view)
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{
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GimpDrawableListView *drawable_view;
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drawable_view = GIMP_DRAWABLE_LIST_VIEW (view);
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if (drawable_view->get_drawable_func (drawable_view->gimage) ==
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(GimpDrawable *) layer)
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{
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gimp_layer_list_view_update_options (view, layer);
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}
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}
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#define BLOCK(object,function) \
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gtk_signal_handler_block_by_func (GTK_OBJECT (object), \
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(function), view)
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#define UNBLOCK(object,function) \
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gtk_signal_handler_unblock_by_func (GTK_OBJECT (object), \
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(function), view)
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static void
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gimp_layer_list_view_update_options (GimpLayerListView *view,
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GimpLayer *layer)
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{
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gimp_option_menu_set_history (GTK_OPTION_MENU (view->paint_mode_menu),
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GINT_TO_POINTER (layer->mode));
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if (layer->preserve_trans !=
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GTK_TOGGLE_BUTTON (view->preserve_trans_toggle)->active)
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{
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BLOCK (view->preserve_trans_toggle,
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gimp_layer_list_view_preserve_button_toggled);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (view->preserve_trans_toggle),
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layer->preserve_trans);
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UNBLOCK (view->preserve_trans_toggle,
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gimp_layer_list_view_preserve_button_toggled);
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}
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if ((gdouble) layer->opacity / 2.55 != view->opacity_adjustment->value)
|
|
{
|
|
BLOCK (view->opacity_adjustment,
|
|
gimp_layer_list_view_opacity_scale_changed);
|
|
|
|
gtk_adjustment_set_value (view->opacity_adjustment, layer->opacity / 2.55);
|
|
|
|
UNBLOCK (view->opacity_adjustment,
|
|
gimp_layer_list_view_opacity_scale_changed);
|
|
}
|
|
}
|
|
|
|
#undef BLOCK
|
|
#undef UNBLOCK
|