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gimp/app/widgets/gimpsizebox.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpsizebox.c
* Copyright (C) 2004 Sven Neumann <sven@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "config/gimpconfig-params.h"
#include "gimppropwidgets.h"
#include "gimpsizebox.h"
#include "gimp-intl.h"
#define SB_WIDTH 8
enum
{
PROP_0,
PROP_WIDTH,
PROP_HEIGHT,
PROP_UNIT,
PROP_XRESOLUTION,
PROP_YRESOLUTION,
PROP_RESOLUTION_UNIT,
PROP_KEEP_ASPECT,
PROP_EDIT_RESOLUTION
};
#define GIMP_SIZE_BOX_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GIMP_TYPE_SIZE_BOX, GimpSizeBoxPrivate))
typedef struct _GimpSizeBoxPrivate GimpSizeBoxPrivate;
struct _GimpSizeBoxPrivate
{
GimpSizeEntry *size_entry;
GimpChainButton *size_chain;
GtkWidget *pixel_label;
GtkWidget *res_label;
gdouble aspect;
};
static void gimp_size_box_class_init (GimpSizeBoxClass *klass);
static GObject * gimp_size_box_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_size_box_init (GimpSizeBox *box);
static void gimp_size_box_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_size_box_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_size_box_update_size (GimpSizeBox *box);
static void gimp_size_box_update_resolution (GimpSizeBox *box);
static GtkVBoxClass *parent_class = NULL;
GType
gimp_size_box_get_type (void)
{
static GType box_type = 0;
if (! box_type)
{
static const GTypeInfo box_info =
{
sizeof (GimpSizeBoxClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_size_box_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpSizeBox),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_size_box_init
};
box_type = g_type_register_static (GTK_TYPE_VBOX,
"GimpSizeBox",
&box_info, 0);
}
return box_type;
}
static void
gimp_size_box_class_init (GimpSizeBoxClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_size_box_constructor;
object_class->set_property = gimp_size_box_set_property;
object_class->get_property = gimp_size_box_get_property;
g_type_class_add_private (object_class, sizeof (GimpSizeBoxPrivate));
g_object_class_install_property (object_class, PROP_WIDTH,
g_param_spec_int ("width", NULL, NULL,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE,
256,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_HEIGHT,
g_param_spec_int ("height", NULL, NULL,
GIMP_MIN_IMAGE_SIZE,
GIMP_MAX_IMAGE_SIZE,
256,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_UNIT,
gimp_param_spec_unit ("unit", NULL, NULL,
TRUE, TRUE,
GIMP_UNIT_PIXEL,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_XRESOLUTION,
g_param_spec_double ("xresolution",
NULL, NULL,
GIMP_MIN_RESOLUTION,
GIMP_MAX_RESOLUTION,
72.0,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_YRESOLUTION,
g_param_spec_double ("yresolution",
NULL, NULL,
GIMP_MIN_RESOLUTION,
GIMP_MAX_RESOLUTION,
72.0,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_RESOLUTION_UNIT,
gimp_param_spec_unit ("resolution-unit",
NULL, NULL,
FALSE, FALSE,
GIMP_UNIT_INCH,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_KEEP_ASPECT,
g_param_spec_boolean ("keep-aspect",
NULL, NULL,
TRUE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_EDIT_RESOLUTION,
g_param_spec_boolean ("edit-resolution",
NULL, NULL,
FALSE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_size_box_init (GimpSizeBox *box)
{
gtk_box_set_spacing (GTK_BOX (box), 6);
}
static GObject *
gimp_size_box_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpSizeBox *box;
GtkWidget *entry;
GtkWidget *table;
GtkWidget *hbox;
GtkWidget *width;
GtkWidget *height;
GtkWidget *chain;
GtkWidget *vbox;
GtkWidget *label;
GtkObject *adjustment;
GimpSizeBoxPrivate *priv;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
box = GIMP_SIZE_BOX (object);
table = gtk_table_new (3, 3, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
gtk_box_pack_start (GTK_BOX (box), table, FALSE, FALSE, 0);
gtk_widget_show (table);
width = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
height = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
entry = gimp_size_entry_new (0, box->unit, "%p",
TRUE, TRUE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_SIZE);
label = gtk_label_new_with_mnemonic (_("_Width:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new_with_mnemonic (_("H_eight:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 0, 2);
gtk_widget_show (hbox);
gtk_table_set_row_spacing (GTK_TABLE (entry), 0, 2);
gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 2);
gtk_table_set_col_spacing (GTK_TABLE (entry), 2, 2);
gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
gtk_widget_show (entry);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (height), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), height, 0, 1, 1, 2);
gtk_widget_show (height);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (width), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), width, 0, 1, 0, 1);
gtk_widget_show (width);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (entry), 0, 0, box->width);
gimp_size_entry_set_size (GIMP_SIZE_ENTRY (entry), 1, 0, box->height);
gimp_prop_coordinates_connect (G_OBJECT (box),
"width", "height", "unit",
entry, NULL,
box->xresolution, box->yresolution);
chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain), TRUE);
gtk_table_attach_defaults (GTK_TABLE (entry), chain, 1, 2, 0, 2);
gtk_widget_show (chain);
gimp_help_set_help_data (GIMP_CHAIN_BUTTON (chain)->button,
_("Keep aspect ratio"), NULL);
vbox = gtk_vbox_new (2, FALSE);
gtk_table_attach_defaults (GTK_TABLE (table), vbox, 1, 3, 2, 3);
gtk_widget_show (vbox);
label = gtk_label_new (NULL);
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_SCALE, PANGO_SCALE_SMALL,
-1);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
priv = GIMP_SIZE_BOX_GET_PRIVATE (box);
priv->size_entry = GIMP_SIZE_ENTRY (entry);
priv->size_chain = GIMP_CHAIN_BUTTON (chain);
priv->pixel_label = label;
priv->aspect = (gdouble) box->width / (gdouble) box->height;
if (box->edit_resolution)
{
GtkWidget *xres;
GtkWidget *yres;
gtk_table_resize (GTK_TABLE (table), 5, 3);
gtk_table_set_row_spacing (GTK_TABLE (table), 3, 2);
xres = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (xres), SB_WIDTH);
yres = gimp_spin_button_new (&adjustment,
1, 1, 1, 1, 10, 0,
1, 2);
gtk_entry_set_width_chars (GTK_ENTRY (yres), SB_WIDTH);
/* the resolution labels */
label = gtk_label_new_with_mnemonic (_("_X resolution:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), xres);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 3, 4,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
label = gtk_label_new_with_mnemonic (_("_Y resolution:"));
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), yres);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 4, 5,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
/* the resolution sizeentry */
hbox = gtk_hbox_new (FALSE, 0);
gtk_table_attach_defaults (GTK_TABLE (table), hbox, 1, 2, 3, 5);
gtk_widget_show (hbox);
entry = gimp_size_entry_new (0, box->resolution_unit, _("pixels/%a"),
FALSE, FALSE, FALSE, SB_WIDTH,
GIMP_SIZE_ENTRY_UPDATE_RESOLUTION);
gtk_table_set_row_spacing (GTK_TABLE (entry), 0, 2);
gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 2);
gtk_table_set_col_spacing (GTK_TABLE (entry), 2, 2);
gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
gtk_widget_show (entry);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (yres), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), yres, 0, 1, 1, 2);
gtk_widget_show (yres);
gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
GTK_SPIN_BUTTON (xres), NULL);
gtk_table_attach_defaults (GTK_TABLE (entry), xres, 0, 1, 0, 1);
gtk_widget_show (xres);
/* the resolution chainbutton */
chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gtk_table_attach_defaults (GTK_TABLE (entry), chain, 1, 2, 0, 2);
gtk_widget_show (chain);
gimp_prop_coordinates_connect (G_OBJECT (box),
"xresolution", "yresolution",
"resolution-unit",
entry, chain,
1.0, 1.0);
}
else
{
label = gtk_label_new (NULL);
gimp_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_SCALE, PANGO_SCALE_SMALL,
-1);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
priv->res_label = label;
}
gimp_size_box_update_size (box);
gimp_size_box_update_resolution (box);
return object;
}
static void
gimp_size_box_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpSizeBox *box = GIMP_SIZE_BOX (object);
GimpSizeBoxPrivate *priv = GIMP_SIZE_BOX_GET_PRIVATE (box);
switch (property_id)
{
case PROP_WIDTH:
box->width = g_value_get_int (value);
if (priv->size_chain && gimp_chain_button_get_active (priv->size_chain))
{
gint height = ROUND ((gdouble) box->width / priv->aspect);
if (box->height != height)
gimp_size_entry_set_refval (priv->size_entry, 1, height);
}
gimp_size_box_update_size (box);
break;
case PROP_HEIGHT:
box->height = g_value_get_int (value);
if (priv->size_chain && gimp_chain_button_get_active (priv->size_chain))
{
gint width = ROUND ((gdouble) box->height * priv->aspect);
if (box->width != width)
gimp_size_entry_set_refval (priv->size_entry, 0, width);
}
gimp_size_box_update_size (box);
break;
case PROP_UNIT:
box->unit = g_value_get_int (value);
break;
case PROP_XRESOLUTION:
box->xresolution = g_value_get_double (value);
if (priv->size_entry)
gimp_size_entry_set_resolution (priv->size_entry, 0,
box->xresolution, TRUE);
gimp_size_box_update_resolution (box);
break;
case PROP_YRESOLUTION:
box->yresolution = g_value_get_double (value);
if (priv->size_entry)
gimp_size_entry_set_resolution (priv->size_entry, 1,
box->yresolution, TRUE);
gimp_size_box_update_resolution (box);
break;
case PROP_RESOLUTION_UNIT:
box->resolution_unit = g_value_get_int (value);
break;
case PROP_KEEP_ASPECT:
if (priv->size_chain)
gimp_chain_button_set_active (priv->size_chain,
g_value_get_boolean (value));
break;
case PROP_EDIT_RESOLUTION:
box->edit_resolution = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_size_box_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpSizeBox *box = GIMP_SIZE_BOX (object);
GimpSizeBoxPrivate *priv = GIMP_SIZE_BOX_GET_PRIVATE (box);
switch (property_id)
{
case PROP_WIDTH:
g_value_set_int (value, box->width);
break;
case PROP_HEIGHT:
g_value_set_int (value, box->height);
break;
case PROP_UNIT:
g_value_set_int (value, box->unit);
break;
case PROP_XRESOLUTION:
g_value_set_double (value, box->xresolution);
break;
case PROP_YRESOLUTION:
g_value_set_double (value, box->yresolution);
break;
case PROP_RESOLUTION_UNIT:
g_value_set_int (value, box->resolution_unit);
break;
case PROP_KEEP_ASPECT:
g_value_set_boolean (value,
gimp_chain_button_get_active (priv->size_chain));
break;
case PROP_EDIT_RESOLUTION:
g_value_set_boolean (value, box->edit_resolution);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_size_box_update_size (GimpSizeBox *box)
{
GimpSizeBoxPrivate *priv = GIMP_SIZE_BOX_GET_PRIVATE (box);
if (priv->pixel_label)
{
gchar *text;
text = g_strdup_printf (_("%d x %d pixels"), box->width, box->height);
gtk_label_set_text (GTK_LABEL (priv->pixel_label), text);
g_free (text);
}
}
static void
gimp_size_box_update_resolution (GimpSizeBox *box)
{
GimpSizeBoxPrivate *priv = GIMP_SIZE_BOX_GET_PRIVATE (box);
if (priv->size_entry)
{
gimp_size_entry_set_refval (priv->size_entry, 0, box->width);
gimp_size_entry_set_refval (priv->size_entry, 1, box->height);
}
if (priv->res_label)
{
gchar *text;
if ((gint) box->xresolution != (gint) box->yresolution)
text = g_strdup_printf (_("%d x %d dpi"),
(gint) box->xresolution,
(gint) box->yresolution);
else
text = g_strdup_printf (_("%d dpi"),
(gint) box->yresolution);
gtk_label_set_text (GTK_LABEL (priv->res_label), text);
g_free (text);
}
}
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