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gimp/app/propgui/gimppropgui-generic.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimppropgui-generic.c
* Copyright (C) 2002-2014 Michael Natterer <mitch@gimp.org>
* 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 <string.h>
#include <stdlib.h>
#include <gegl.h>
#include <gegl-paramspecs.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "propgui-types.h"
#include "gegl/gimp-gegl-utils.h"
#include "core/gimpcontext.h"
#include "widgets/gimppropwidgets.h"
#include "gimppropgui.h"
#include "gimppropgui-generic.h"
#include "gimp-intl.h"
#define HAS_KEY(p,k,v) gimp_gegl_param_spec_has_key (p, k, v)
static void gimp_prop_gui_chain_toggled (GimpChainButton *chain,
GtkAdjustment *x_adj);
/* public functions */
GtkWidget *
_gimp_prop_gui_new_generic (GObject *config,
GParamSpec **param_specs,
guint n_param_specs,
GeglRectangle *area,
GimpContext *context,
GimpCreatePickerFunc create_picker_func,
GimpCreateControllerFunc create_controller_func,
gpointer creator)
{
GtkWidget *main_vbox;
GtkSizeGroup *label_group;
GList *chains = NULL;
gint i;
g_return_val_if_fail (G_IS_OBJECT (config), NULL);
g_return_val_if_fail (param_specs != NULL, NULL);
g_return_val_if_fail (n_param_specs > 0, NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
label_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
for (i = 0; i < n_param_specs; i++)
{
GParamSpec *pspec = param_specs[i];
GParamSpec *next_pspec = NULL;
if (i < n_param_specs - 1)
next_pspec = param_specs[i + 1];
if (next_pspec &&
HAS_KEY (pspec, "axis", "x") &&
HAS_KEY (next_pspec, "axis", "y"))
{
GtkWidget *widget_x;
GtkWidget *widget_y;
const gchar *label_x;
const gchar *label_y;
GtkAdjustment *adj_x;
GtkAdjustment *adj_y;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *chain;
i++;
widget_x = gimp_prop_widget_new_from_pspec (config, pspec,
area, context,
create_picker_func,
create_controller_func,
creator,
&label_x);
widget_y = gimp_prop_widget_new_from_pspec (config, next_pspec,
area, context,
create_picker_func,
create_controller_func,
creator,
&label_y);
adj_x = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget_x));
adj_y = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget_y));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
gimp_prop_gui_bind_container (widget_x, hbox);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
gtk_box_pack_start (GTK_BOX (vbox), widget_x, FALSE, FALSE, 0);
gtk_widget_show (widget_x);
gtk_box_pack_start (GTK_BOX (vbox), widget_y, FALSE, FALSE, 0);
gtk_widget_show (widget_y);
chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
gtk_box_pack_end (GTK_BOX (hbox), chain, FALSE, FALSE, 0);
gtk_widget_show (chain);
if (! HAS_KEY (pspec, "unit", "pixel-coordinate") &&
! HAS_KEY (pspec, "unit", "relative-coordinate") &&
gtk_adjustment_get_value (adj_x) ==
gtk_adjustment_get_value (adj_y))
{
GBinding *binding;
gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain), TRUE);
binding = g_object_bind_property (adj_x, "value",
adj_y, "value",
G_BINDING_BIDIRECTIONAL);
g_object_set_data (G_OBJECT (chain), "binding", binding);
}
g_object_set_data_full (G_OBJECT (chain), "x-property",
g_strdup (pspec->name), g_free);
g_object_set_data_full (G_OBJECT (chain), "y-property",
g_strdup (next_pspec->name), g_free);
chains = g_list_prepend (chains, chain);
g_signal_connect (chain, "toggled",
G_CALLBACK (gimp_prop_gui_chain_toggled),
adj_x);
g_object_set_data (G_OBJECT (adj_x), "y-adjustment", adj_y);
if (create_picker_func &&
(HAS_KEY (pspec, "unit", "pixel-coordinate") ||
HAS_KEY (pspec, "unit", "relative-coordinate")))
{
GtkWidget *button;
gchar *pspec_name;
pspec_name = g_strconcat (pspec->name, ":",
next_pspec->name, NULL);
button = create_picker_func (creator,
pspec_name,
GIMP_ICON_CURSOR,
_("Pick coordinates from the image"),
/* pick_abyss = */ TRUE,
NULL, NULL);
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_object_weak_ref (G_OBJECT (button),
(GWeakNotify) g_free, pspec_name);
}
}
else
{
GtkWidget *widget;
const gchar *label;
gboolean expand = FALSE;
widget = gimp_prop_widget_new_from_pspec (config, pspec,
area, context,
create_picker_func,
create_controller_func,
creator,
&label);
if (GTK_IS_SCROLLED_WINDOW (widget))
expand = TRUE;
if (widget && label)
{
GtkWidget *l;
l = gtk_label_new_with_mnemonic (label);
gtk_label_set_xalign (GTK_LABEL (l), 0.0);
gtk_widget_show (l);
gimp_prop_gui_bind_label (widget, l);
if (GTK_IS_SCROLLED_WINDOW (widget))
{
GtkWidget *frame;
/* don't set as frame title, it should not be bold */
gtk_box_pack_start (GTK_BOX (main_vbox), l, FALSE, FALSE, 0);
frame = gimp_frame_new (NULL);
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
gtk_container_add (GTK_CONTAINER (frame), widget);
gtk_widget_show (widget);
gimp_prop_gui_bind_container (widget, frame);
}
else
{
GtkWidget *hbox;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox,
expand, expand, 0);
gtk_widget_show (hbox);
gtk_size_group_add_widget (label_group, l);
gtk_box_pack_start (GTK_BOX (hbox), l, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
gtk_widget_show (widget);
gimp_prop_gui_bind_container (widget, hbox);
}
}
else if (widget)
{
gtk_box_pack_start (GTK_BOX (main_vbox), widget,
expand, expand, 0);
gtk_widget_show (widget);
}
}
}
g_object_unref (label_group);
g_object_set_data_full (G_OBJECT (main_vbox), "chains", chains,
(GDestroyNotify) g_list_free);
return main_vbox;
}
/* private functions */
static void
gimp_prop_gui_chain_toggled (GimpChainButton *chain,
GtkAdjustment *x_adj)
{
GBinding *binding;
GtkAdjustment *y_adj;
binding = g_object_get_data (G_OBJECT (chain), "binding");
y_adj = g_object_get_data (G_OBJECT (x_adj), "y-adjustment");
if (gimp_chain_button_get_active (chain))
{
if (! binding)
binding = g_object_bind_property (x_adj, "value",
y_adj, "value",
G_BINDING_BIDIRECTIONAL);
}
else
{
g_clear_object (&binding);
}
g_object_set_data (G_OBJECT (chain), "binding", binding);
}
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