c1c876a963
2005-07-25 Michael Natterer <mitch@gimp.org> Some DND fixes / cleanup: * app/widgets/widgets-enums.h: renamed GIMP_DND_TYPE_TOOL to GIMP_DND_TYPE_TOOL_INFO. * app/widgets/gimpselectiondata.[ch]: s/tool/tool_info/g. Moved private functions to the end of the file. Include GIMP's PID in all GtkSelectionData strings which are used to pass around stuff by reference. For things which are referenced by name, also encode the object's address in the GtkSelectionData so having a brush called "Standard" or a named buffer called "Global Buffer" will work together with DND. * app/widgets/gimpdnd.[ch]: s/tool/tool_info/g. Renamed gimp_dnd_get_data_data() to gimp_dnd_get_object_data() since it's not limited to GimpData objects. Follow above selection data API changes. Cleanup. * libgimp/gimpbrushmenu.c * libgimp/gimpdrawablecombobox.c * libgimp/gimpfontselectbutton.c * libgimp/gimpgradientmenu.c * libgimp/gimpimagecombobox.c * libgimp/gimppalettemenu.c * libgimp/gimppatternmenu.c: follow GtkSelectionData format change and check the dropped things' PID against the return value of gimp_getpid().
425 lines
13 KiB
C
425 lines
13 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpdrawablecombobox.c
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* Copyright (C) 2004 Sven Neumann <sven@gimp.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "gimp.h"
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#include "gimpuitypes.h"
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#include "gimpdrawablecombobox.h"
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#include "gimppixbuf.h"
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#define THUMBNAIL_SIZE 24
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#define WIDTH_REQUEST 200
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typedef struct _GimpDrawableComboBoxClass GimpDrawableComboBoxClass;
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typedef struct _GimpChannelComboBoxClass GimpChannelComboBoxClass;
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typedef struct _GimpLayerComboBoxClass GimpLayerComboBoxClass;
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struct _GimpDrawableComboBox
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{
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GimpIntComboBox parent_instance;
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};
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struct _GimpDrawableComboBoxClass
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{
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GimpIntComboBoxClass parent_class;
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};
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struct _GimpChannelComboBox
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{
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GimpIntComboBox parent_instance;
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};
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struct _GimpChannelComboBoxClass
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{
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GimpIntComboBoxClass parent_class;
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};
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struct _GimpLayerComboBox
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{
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GimpIntComboBox parent_instance;
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};
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struct _GimpLayerComboBoxClass
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{
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GimpIntComboBoxClass parent_class;
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};
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static void gimp_drawable_combo_box_model_add (GtkListStore *store,
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gint32 image,
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gint num_drawables,
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gint32 *drawables,
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GimpDrawableConstraintFunc constraint,
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gpointer data);
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static void gimp_drawable_combo_box_drag_data_received (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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GtkSelectionData *selection,
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guint info,
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guint time);
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static const GtkTargetEntry targets[] =
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{
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{ "application/x-gimp-channel-id", 0 },
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{ "application/x-gimp-layer-id", 0 }
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};
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G_DEFINE_TYPE(GimpDrawableComboBox,
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gimp_drawable_combo_box,
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GIMP_TYPE_INT_COMBO_BOX);
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static void
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gimp_drawable_combo_box_class_init (GimpDrawableComboBoxClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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widget_class->drag_data_received = gimp_drawable_combo_box_drag_data_received;
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}
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static void
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gimp_drawable_combo_box_init (GimpDrawableComboBox *combo_box)
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{
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gtk_drag_dest_set (GTK_WIDGET (combo_box),
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GTK_DEST_DEFAULT_HIGHLIGHT |
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GTK_DEST_DEFAULT_MOTION |
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GTK_DEST_DEFAULT_DROP,
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targets, 2,
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GDK_ACTION_COPY);
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}
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/**
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* gimp_drawable_combo_box_new:
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* @constraint: a #GimpDrawableConstraintFunc or %NULL
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* @data: a pointer that is passed to @constraint
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*
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* Creates a new #GimpIntComboBox filled with all currently opened
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* drawables. If a @constraint function is specified, it is called for
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* each drawable and only if the function returns %TRUE, the drawable
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* is added to the combobox.
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*
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* You should use gimp_int_combo_box_connect() to initialize and connect
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* the combo. Use gimp_int_combo_box_set_active() to get the active
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* drawable ID and gimp_int_combo_box_get_active() to retrieve the ID
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* of the selected drawable.
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*
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* Return value: a new #GimpIntComboBox.
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*
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* Since: GIMP 2.2
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**/
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GtkWidget *
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gimp_drawable_combo_box_new (GimpDrawableConstraintFunc constraint,
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gpointer data)
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{
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GtkWidget *combo_box;
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GtkTreeModel *model;
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GtkTreeIter iter;
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gint32 *images;
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gint num_images;
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gint i;
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combo_box = g_object_new (GIMP_TYPE_DRAWABLE_COMBO_BOX,
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"width-request", WIDTH_REQUEST,
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"ellipsize", PANGO_ELLIPSIZE_MIDDLE,
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NULL);
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
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images = gimp_image_list (&num_images);
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for (i = 0; i < num_images; i++)
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{
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gint32 *drawables;
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gint num_drawables;
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drawables = gimp_image_get_layers (images[i], &num_drawables);
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gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
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images[i],
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num_drawables, drawables,
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constraint, data);
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g_free (drawables);
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drawables = gimp_image_get_channels (images[i], &num_drawables);
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gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
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images[i],
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num_drawables, drawables,
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constraint, data);
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g_free (drawables);
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}
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g_free (images);
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if (gtk_tree_model_get_iter_first (model, &iter))
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gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box), &iter);
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return combo_box;
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}
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G_DEFINE_TYPE(GimpChannelComboBox,
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gimp_channel_combo_box,
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GIMP_TYPE_INT_COMBO_BOX);
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static void
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gimp_channel_combo_box_class_init (GimpChannelComboBoxClass *klass)
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{
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GtkWidgetClass *widget_class;
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widget_class = GTK_WIDGET_CLASS (klass);
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widget_class->drag_data_received = gimp_drawable_combo_box_drag_data_received;
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}
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static void
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gimp_channel_combo_box_init (GimpChannelComboBox *combo_box)
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{
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gtk_drag_dest_set (GTK_WIDGET (combo_box),
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GTK_DEST_DEFAULT_HIGHLIGHT |
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GTK_DEST_DEFAULT_MOTION |
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GTK_DEST_DEFAULT_DROP,
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targets, 1,
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GDK_ACTION_COPY);
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}
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/**
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* gimp_channel_combo_box_new:
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* @constraint: a #GimpDrawableConstraintFunc or %NULL
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* @data: a pointer that is passed to @constraint
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*
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* Creates a new #GimpIntComboBox filled with all currently opened
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* channels. See gimp_drawable_combo_box() for more info.
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*
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* Return value: a new #GimpIntComboBox.
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*
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* Since: GIMP 2.2
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**/
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GtkWidget *
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gimp_channel_combo_box_new (GimpDrawableConstraintFunc constraint,
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gpointer data)
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{
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GtkWidget *combo_box;
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GtkTreeModel *model;
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GtkTreeIter iter;
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gint32 *images;
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gint num_images;
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gint i;
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combo_box = g_object_new (GIMP_TYPE_CHANNEL_COMBO_BOX,
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"width-request", WIDTH_REQUEST,
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"ellipsize", PANGO_ELLIPSIZE_MIDDLE,
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NULL);
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
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images = gimp_image_list (&num_images);
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for (i = 0; i < num_images; i++)
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{
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gint32 *drawables;
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gint num_drawables;
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drawables = gimp_image_get_channels (images[i], &num_drawables);
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gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
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images[i],
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num_drawables, drawables,
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constraint, data);
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g_free (drawables);
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}
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g_free (images);
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if (gtk_tree_model_get_iter_first (model, &iter))
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gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box), &iter);
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return combo_box;
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}
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G_DEFINE_TYPE(GimpLayerComboBox,
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gimp_layer_combo_box,
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GIMP_TYPE_INT_COMBO_BOX);
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static void
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gimp_layer_combo_box_class_init (GimpLayerComboBoxClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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widget_class->drag_data_received = gimp_drawable_combo_box_drag_data_received;
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}
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static void
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gimp_layer_combo_box_init (GimpLayerComboBox *combo_box)
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{
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gtk_drag_dest_set (GTK_WIDGET (combo_box),
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GTK_DEST_DEFAULT_HIGHLIGHT |
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GTK_DEST_DEFAULT_MOTION |
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GTK_DEST_DEFAULT_DROP,
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targets + 1, 1,
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GDK_ACTION_COPY);
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}
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/**
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* gimp_layer_combo_box_new:
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* @constraint: a #GimpDrawableConstraintFunc or %NULL
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* @data: a pointer that is passed to @constraint
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*
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* Creates a new #GimpIntComboBox filled with all currently opened
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* layers. See gimp_drawable_combo_box() for more info.
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*
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* Return value: a new #GimpIntComboBox.
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*
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* Since: GIMP 2.2
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**/
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GtkWidget *
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gimp_layer_combo_box_new (GimpDrawableConstraintFunc constraint,
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gpointer data)
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{
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GtkWidget *combo_box;
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GtkTreeModel *model;
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GtkTreeIter iter;
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gint32 *images;
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gint num_images;
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gint i;
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combo_box = g_object_new (GIMP_TYPE_LAYER_COMBO_BOX,
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"width-request", WIDTH_REQUEST,
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"ellipsize", PANGO_ELLIPSIZE_MIDDLE,
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NULL);
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
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images = gimp_image_list (&num_images);
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for (i = 0; i < num_images; i++)
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{
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gint32 *drawables;
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gint num_drawables;
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drawables = gimp_image_get_layers (images[i], &num_drawables);
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gimp_drawable_combo_box_model_add (GTK_LIST_STORE (model),
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images[i],
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num_drawables, drawables,
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constraint, data);
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g_free (drawables);
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}
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g_free (images);
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if (gtk_tree_model_get_iter_first (model, &iter))
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gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box), &iter);
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return combo_box;
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}
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static void
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gimp_drawable_combo_box_model_add (GtkListStore *store,
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gint32 image,
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gint num_drawables,
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gint32 *drawables,
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GimpDrawableConstraintFunc constraint,
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gpointer data)
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{
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GtkTreeIter iter;
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gint i;
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for (i = 0; i < num_drawables; i++)
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{
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if (! constraint || (* constraint) (image, drawables[i], data))
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{
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gchar *image_name = gimp_image_get_name (image);
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gchar *drawable_name = gimp_drawable_get_name (drawables[i]);
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gchar *label;
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GdkPixbuf *thumb;
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label = g_strdup_printf ("%s-%d/%s-%d",
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image_name, image,
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drawable_name, drawables[i]);
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g_free (drawable_name);
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g_free (image_name);
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thumb = gimp_drawable_get_thumbnail (drawables[i],
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THUMBNAIL_SIZE, THUMBNAIL_SIZE,
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GIMP_PIXBUF_SMALL_CHECKS);
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter,
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GIMP_INT_STORE_VALUE, drawables[i],
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GIMP_INT_STORE_LABEL, label,
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GIMP_INT_STORE_PIXBUF, thumb,
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-1);
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if (thumb)
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g_object_unref (thumb);
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g_free (label);
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}
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}
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}
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static void
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gimp_drawable_combo_box_drag_data_received (GtkWidget *widget,
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GdkDragContext *context,
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gint x,
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gint y,
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GtkSelectionData *selection,
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guint info,
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guint time)
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{
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gchar *str;
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if ((selection->format != 8) || (selection->length < 1))
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{
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g_warning ("Received invalid drawable ID data!");
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return;
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}
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str = g_strndup (selection->data, selection->length);
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if (g_utf8_validate (str, -1, NULL))
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{
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gint pid;
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gint ID;
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if (sscanf (str, "%i:%i", &pid, &ID) == 2 &&
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pid == gimp_getpid ())
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{
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gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (widget), ID);
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}
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}
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g_free (str);
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}
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