476 lines
17 KiB
C
476 lines
17 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikasizebox.c
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* Copyright (C) 2004 Sven Neumann <sven@gimp.org>
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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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikamath/pikamath.h"
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#include "libpikaconfig/pikaconfig.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "pikasizebox.h"
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#include "pika-intl.h"
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#define SB_WIDTH 8
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enum
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{
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PROP_0,
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PROP_WIDTH,
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PROP_HEIGHT,
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PROP_UNIT,
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PROP_XRESOLUTION,
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PROP_YRESOLUTION,
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PROP_RESOLUTION_UNIT,
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PROP_KEEP_ASPECT,
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PROP_EDIT_RESOLUTION
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};
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#define PIKA_SIZE_BOX_GET_PRIVATE(obj) ((PikaSizeBoxPrivate *) pika_size_box_get_instance_private ((PikaSizeBox *) (obj)))
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typedef struct _PikaSizeBoxPrivate PikaSizeBoxPrivate;
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struct _PikaSizeBoxPrivate
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{
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PikaSizeEntry *size_entry;
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PikaChainButton *size_chain;
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GtkWidget *pixel_label;
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GtkWidget *res_label;
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};
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static void pika_size_box_constructed (GObject *object);
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static void pika_size_box_dispose (GObject *object);
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static void pika_size_box_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void pika_size_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void pika_size_box_update_size (PikaSizeBox *box);
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static void pika_size_box_update_resolution (PikaSizeBox *box);
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static void pika_size_box_chain_toggled (PikaChainButton *button,
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PikaSizeBox *box);
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G_DEFINE_TYPE_WITH_PRIVATE (PikaSizeBox, pika_size_box, GTK_TYPE_BOX)
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#define parent_class pika_size_box_parent_class
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static void
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pika_size_box_class_init (PikaSizeBoxClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = pika_size_box_constructed;
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object_class->dispose = pika_size_box_dispose;
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object_class->set_property = pika_size_box_set_property;
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object_class->get_property = pika_size_box_get_property;
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g_object_class_install_property (object_class, PROP_WIDTH,
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g_param_spec_int ("width", NULL, NULL,
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PIKA_MIN_IMAGE_SIZE,
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PIKA_MAX_IMAGE_SIZE,
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256,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_HEIGHT,
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g_param_spec_int ("height", NULL, NULL,
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PIKA_MIN_IMAGE_SIZE,
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PIKA_MAX_IMAGE_SIZE,
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256,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_UNIT,
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pika_param_spec_unit ("unit", NULL, NULL,
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TRUE, TRUE,
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PIKA_UNIT_PIXEL,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_XRESOLUTION,
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g_param_spec_double ("xresolution",
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NULL, NULL,
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PIKA_MIN_RESOLUTION,
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PIKA_MAX_RESOLUTION,
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72.0,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_YRESOLUTION,
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g_param_spec_double ("yresolution",
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NULL, NULL,
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PIKA_MIN_RESOLUTION,
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PIKA_MAX_RESOLUTION,
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72.0,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_RESOLUTION_UNIT,
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pika_param_spec_unit ("resolution-unit",
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NULL, NULL,
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FALSE, FALSE,
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PIKA_UNIT_INCH,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_KEEP_ASPECT,
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g_param_spec_boolean ("keep-aspect",
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NULL, NULL,
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TRUE,
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PIKA_PARAM_READWRITE));
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g_object_class_install_property (object_class, PROP_EDIT_RESOLUTION,
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g_param_spec_boolean ("edit-resolution",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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pika_size_box_init (PikaSizeBox *box)
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{
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gtk_orientable_set_orientation (GTK_ORIENTABLE (box),
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GTK_ORIENTATION_VERTICAL);
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gtk_box_set_spacing (GTK_BOX (box), 6);
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box->size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
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}
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static void
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pika_size_box_constructed (GObject *object)
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{
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PikaSizeBox *box = PIKA_SIZE_BOX (object);
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PikaSizeBoxPrivate *priv = PIKA_SIZE_BOX_GET_PRIVATE (box);
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GtkWidget *vbox;
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GtkWidget *entry;
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GtkWidget *hbox;
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GtkWidget *label;
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GList *children;
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GList *list;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_box_pack_start (GTK_BOX (box), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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entry = pika_coordinates_new (box->unit, "%p",
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TRUE, TRUE, SB_WIDTH,
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PIKA_SIZE_ENTRY_UPDATE_SIZE,
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TRUE, TRUE,
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_("_Width:"),
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box->width, box->xresolution,
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PIKA_MIN_IMAGE_SIZE, PIKA_MAX_IMAGE_SIZE,
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0, box->width,
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_("H_eight:"),
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box->height, box->yresolution,
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PIKA_MIN_IMAGE_SIZE, PIKA_MAX_IMAGE_SIZE,
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0, box->height);
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priv->size_entry = PIKA_SIZE_ENTRY (entry);
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priv->size_chain = PIKA_COORDINATES_CHAINBUTTON (PIKA_SIZE_ENTRY (entry));
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/*
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* let pika_prop_coordinates_callback know how to interpret the chainbutton
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*/
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g_object_set_data (G_OBJECT (priv->size_chain),
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"constrains-ratio", GINT_TO_POINTER (TRUE));
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pika_prop_coordinates_connect (G_OBJECT (box),
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"width", "height",
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"unit",
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entry, NULL,
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box->xresolution,
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box->yresolution);
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g_signal_connect (priv->size_chain, "toggled",
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G_CALLBACK (pika_size_box_chain_toggled),
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box);
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gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
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gtk_widget_show (entry);
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children = gtk_container_get_children (GTK_CONTAINER (entry));
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for (list = children; list; list = g_list_next (list))
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if (GTK_IS_LABEL (list->data))
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gtk_size_group_add_widget (box->size_group, list->data);
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g_list_free (children);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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gtk_grid_attach (GTK_GRID (entry), vbox, 1, 2, 2, 1);
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gtk_widget_show (vbox);
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label = gtk_label_new (NULL);
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pika_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_SCALE, PANGO_SCALE_SMALL,
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-1);
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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priv->pixel_label = label;
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if (box->edit_resolution)
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{
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gboolean chain_active;
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_box_pack_start (GTK_BOX (box), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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chain_active = ABS (box->xresolution -
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box->yresolution) < PIKA_MIN_RESOLUTION;
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entry = pika_coordinates_new (box->resolution_unit, _("pixels/%a"),
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FALSE, FALSE, SB_WIDTH,
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PIKA_SIZE_ENTRY_UPDATE_RESOLUTION,
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chain_active, FALSE,
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_("_X resolution:"),
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box->xresolution, 1.0,
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1, 1, 1, 10,
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_("_Y resolution:"),
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box->yresolution, 1.0,
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1, 1, 1, 10);
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gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
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gtk_widget_show (entry);
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children = gtk_container_get_children (GTK_CONTAINER (entry));
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for (list = children; list; list = g_list_next (list))
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if (GTK_IS_LABEL (list->data))
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gtk_size_group_add_widget (box->size_group, list->data);
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g_list_free (children);
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pika_prop_coordinates_connect (G_OBJECT (box),
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"xresolution", "yresolution",
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"resolution-unit",
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entry, NULL,
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1.0, 1.0);
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}
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else
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{
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label = gtk_label_new (NULL);
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pika_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_SCALE, PANGO_SCALE_SMALL,
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-1);
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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priv->res_label = label;
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}
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pika_size_box_update_size (box);
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pika_size_box_update_resolution (box);
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}
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static void
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pika_size_box_dispose (GObject *object)
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{
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PikaSizeBox *box = PIKA_SIZE_BOX (object);
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if (box->size_group)
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{
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g_object_unref (box->size_group);
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box->size_group = NULL;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_size_box_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaSizeBox *box = PIKA_SIZE_BOX (object);
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PikaSizeBoxPrivate *priv = PIKA_SIZE_BOX_GET_PRIVATE (box);
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switch (property_id)
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{
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case PROP_WIDTH:
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box->width = g_value_get_int (value);
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pika_size_box_update_size (box);
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break;
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case PROP_HEIGHT:
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box->height = g_value_get_int (value);
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pika_size_box_update_size (box);
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break;
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case PROP_UNIT:
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box->unit = g_value_get_int (value);
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break;
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case PROP_XRESOLUTION:
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box->xresolution = g_value_get_double (value);
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if (priv->size_entry)
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pika_size_entry_set_resolution (priv->size_entry, 0,
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box->xresolution, TRUE);
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pika_size_box_update_resolution (box);
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break;
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case PROP_YRESOLUTION:
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box->yresolution = g_value_get_double (value);
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if (priv->size_entry)
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pika_size_entry_set_resolution (priv->size_entry, 1,
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box->yresolution, TRUE);
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pika_size_box_update_resolution (box);
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break;
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case PROP_RESOLUTION_UNIT:
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box->resolution_unit = g_value_get_int (value);
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break;
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case PROP_KEEP_ASPECT:
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if (priv->size_chain)
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pika_chain_button_set_active (priv->size_chain,
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g_value_get_boolean (value));
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break;
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case PROP_EDIT_RESOLUTION:
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box->edit_resolution = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_size_box_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaSizeBox *box = PIKA_SIZE_BOX (object);
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PikaSizeBoxPrivate *priv = PIKA_SIZE_BOX_GET_PRIVATE (box);
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switch (property_id)
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{
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case PROP_WIDTH:
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g_value_set_int (value, box->width);
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break;
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case PROP_HEIGHT:
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g_value_set_int (value, box->height);
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break;
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case PROP_UNIT:
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g_value_set_int (value, box->unit);
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break;
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case PROP_XRESOLUTION:
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g_value_set_double (value, box->xresolution);
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break;
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case PROP_YRESOLUTION:
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g_value_set_double (value, box->yresolution);
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break;
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case PROP_RESOLUTION_UNIT:
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g_value_set_int (value, box->resolution_unit);
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break;
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case PROP_KEEP_ASPECT:
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g_value_set_boolean (value,
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pika_chain_button_get_active (priv->size_chain));
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break;
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case PROP_EDIT_RESOLUTION:
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g_value_set_boolean (value, box->edit_resolution);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_size_box_update_size (PikaSizeBox *box)
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{
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PikaSizeBoxPrivate *priv = PIKA_SIZE_BOX_GET_PRIVATE (box);
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if (priv->pixel_label)
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{
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gchar *text = g_strdup_printf (ngettext ("%d × %d pixel",
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"%d × %d pixels", box->height),
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box->width, box->height);
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gtk_label_set_text (GTK_LABEL (priv->pixel_label), text);
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g_free (text);
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}
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}
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static void
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pika_size_box_update_resolution (PikaSizeBox *box)
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{
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PikaSizeBoxPrivate *priv = PIKA_SIZE_BOX_GET_PRIVATE (box);
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if (priv->size_entry)
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{
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pika_size_entry_set_refval (priv->size_entry, 0, box->width);
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pika_size_entry_set_refval (priv->size_entry, 1, box->height);
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}
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if (priv->res_label)
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{
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gchar *text;
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gint xres = ROUND (box->xresolution);
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gint yres = ROUND (box->yresolution);
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if (xres != yres)
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text = g_strdup_printf (_("%d × %d ppi"), xres, yres);
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else
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text = g_strdup_printf (_("%d ppi"), yres);
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gtk_label_set_text (GTK_LABEL (priv->res_label), text);
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g_free (text);
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}
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}
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static void
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pika_size_box_chain_toggled (PikaChainButton *button,
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PikaSizeBox *box)
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{
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g_object_set (box,
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"keep-aspect", pika_chain_button_get_active (button),
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NULL);
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}
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