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-rw-r--r--app/widgets/gimpsizebox.c471
1 files changed, 471 insertions, 0 deletions
diff --git a/app/widgets/gimpsizebox.c b/app/widgets/gimpsizebox.c
new file mode 100644
index 0000000..6c8ad77
--- /dev/null
+++ b/app/widgets/gimpsizebox.c
@@ -0,0 +1,471 @@
+/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpmath/gimpmath.h"
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.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) ((GimpSizeBoxPrivate *) gimp_size_box_get_instance_private ((GimpSizeBox *) (obj)))
+
+typedef struct _GimpSizeBoxPrivate GimpSizeBoxPrivate;
+
+struct _GimpSizeBoxPrivate
+{
+ GimpSizeEntry *size_entry;
+ GimpChainButton *size_chain;
+ GtkWidget *pixel_label;
+ GtkWidget *res_label;
+};
+
+
+static void gimp_size_box_constructed (GObject *object);
+static void gimp_size_box_dispose (GObject *object);
+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 void gimp_size_box_chain_toggled (GimpChainButton *button,
+ GimpSizeBox *box);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpSizeBox, gimp_size_box, GTK_TYPE_BOX)
+
+#define parent_class gimp_size_box_parent_class
+
+
+static void
+gimp_size_box_class_init (GimpSizeBoxClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_size_box_constructed;
+ object_class->dispose = gimp_size_box_dispose;
+ object_class->set_property = gimp_size_box_set_property;
+ object_class->get_property = gimp_size_box_get_property;
+
+ 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,
+ GIMP_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,
+ GIMP_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,
+ GIMP_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,
+ GIMP_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,
+ GIMP_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,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+ g_object_class_install_property (object_class, PROP_KEEP_ASPECT,
+ g_param_spec_boolean ("keep-aspect",
+ NULL, NULL,
+ TRUE,
+ GIMP_PARAM_READWRITE));
+ g_object_class_install_property (object_class, PROP_EDIT_RESOLUTION,
+ g_param_spec_boolean ("edit-resolution",
+ NULL, NULL,
+ FALSE,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gimp_size_box_init (GimpSizeBox *box)
+{
+ gtk_orientable_set_orientation (GTK_ORIENTABLE (box),
+ GTK_ORIENTATION_VERTICAL);
+
+ gtk_box_set_spacing (GTK_BOX (box), 6);
+
+ box->size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+}
+
+static void
+gimp_size_box_constructed (GObject *object)
+{
+ GimpSizeBox *box = GIMP_SIZE_BOX (object);
+ GimpSizeBoxPrivate *priv = GIMP_SIZE_BOX_GET_PRIVATE (box);
+ GtkWidget *vbox;
+ GtkWidget *entry;
+ GtkWidget *hbox;
+ GtkWidget *label;
+ GList *children;
+ GList *list;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+ gtk_box_pack_start (GTK_BOX (box), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ entry = gimp_coordinates_new (box->unit, "%p",
+ TRUE, TRUE, SB_WIDTH,
+ GIMP_SIZE_ENTRY_UPDATE_SIZE,
+ TRUE, TRUE,
+ _("_Width:"),
+ box->width, box->xresolution,
+ GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE,
+ 0, box->width,
+ _("H_eight:"),
+ box->height, box->yresolution,
+ GIMP_MIN_IMAGE_SIZE, GIMP_MAX_IMAGE_SIZE,
+ 0, box->height);
+
+ priv->size_entry = GIMP_SIZE_ENTRY (entry);
+ priv->size_chain = GIMP_COORDINATES_CHAINBUTTON (GIMP_SIZE_ENTRY (entry));
+
+ /*
+ * let gimp_prop_coordinates_callback know how to interpret the chainbutton
+ */
+ g_object_set_data (G_OBJECT (priv->size_chain),
+ "constrains-ratio", GINT_TO_POINTER (TRUE));
+
+ gimp_prop_coordinates_connect (G_OBJECT (box),
+ "width", "height",
+ "unit",
+ entry, NULL,
+ box->xresolution,
+ box->yresolution);
+
+ g_signal_connect (priv->size_chain, "toggled",
+ G_CALLBACK (gimp_size_box_chain_toggled),
+ box);
+
+ gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
+ gtk_widget_show (entry);
+
+ children = gtk_container_get_children (GTK_CONTAINER (entry));
+ for (list = children; list; list = g_list_next (list))
+ if (GTK_IS_LABEL (list->data))
+ gtk_size_group_add_widget (box->size_group, list->data);
+ g_list_free (children);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+ gtk_table_attach_defaults (GTK_TABLE (entry), 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_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ priv->pixel_label = label;
+
+ if (box->edit_resolution)
+ {
+ gboolean chain_active;
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+ gtk_box_pack_start (GTK_BOX (box), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ chain_active = ABS (box->xresolution -
+ box->yresolution) < GIMP_MIN_RESOLUTION;
+
+ entry = gimp_coordinates_new (box->resolution_unit, _("pixels/%a"),
+ FALSE, FALSE, SB_WIDTH,
+ GIMP_SIZE_ENTRY_UPDATE_RESOLUTION,
+ chain_active, FALSE,
+ _("_X resolution:"),
+ box->xresolution, 1.0,
+ 1, 1, 1, 10,
+ _("_Y resolution:"),
+ box->yresolution, 1.0,
+ 1, 1, 1, 10);
+
+
+ gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
+ gtk_widget_show (entry);
+
+ children = gtk_container_get_children (GTK_CONTAINER (entry));
+ for (list = children; list; list = g_list_next (list))
+ if (GTK_IS_LABEL (list->data))
+ gtk_size_group_add_widget (box->size_group, list->data);
+ g_list_free (children);
+
+ gimp_prop_coordinates_connect (G_OBJECT (box),
+ "xresolution", "yresolution",
+ "resolution-unit",
+ entry, NULL,
+ 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_label_set_xalign (GTK_LABEL (label), 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);
+}
+
+static void
+gimp_size_box_dispose (GObject *object)
+{
+ GimpSizeBox *box = GIMP_SIZE_BOX (object);
+
+ if (box->size_group)
+ {
+ g_object_unref (box->size_group);
+ box->size_group = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (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);
+ gimp_size_box_update_size (box);
+ break;
+
+ case PROP_HEIGHT:
+ box->height = g_value_get_int (value);
+ 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 = g_strdup_printf (ngettext ("%d × %d pixel",
+ "%d × %d pixels", box->height),
+ 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;
+ gint xres = ROUND (box->xresolution);
+ gint yres = ROUND (box->yresolution);
+
+ if (xres != yres)
+ text = g_strdup_printf (_("%d × %d ppi"), xres, yres);
+ else
+ text = g_strdup_printf (_("%d ppi"), yres);
+
+ gtk_label_set_text (GTK_LABEL (priv->res_label), text);
+ g_free (text);
+ }
+}
+
+static void
+gimp_size_box_chain_toggled (GimpChainButton *button,
+ GimpSizeBox *box)
+{
+ g_object_set (box,
+ "keep-aspect", gimp_chain_button_get_active (button),
+ NULL);
+}
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