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/*
* $Id: synth.h 23811 2021-06-08 12:12:43Z yeti-dn $
* Copyright (C) 2009-2021 David Necas (Yeti).
* E-mail: yeti@gwyddion.net.
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GWY_SYNTH_H__
#define __GWY_SYNTH_H__ 1
#ifndef GWY_SYNTH_CONTROLS
#error GWY_SYNTH_CONTROLS must be defined to the GUI controls structure name
#endif
/* GWY_SYNTH_CONTROLS must have the following fields defined:
* - table
* - dims
* - pxsize
*/
#ifndef GWY_SYNTH_INVALIDATE
#error GWY_SYNTH_INVALIDATE must be defined to the common invalidation code
#endif
#include <libgwydgets/gwydgetutils.h>
typedef void (*GwySynthUpdateValueFunc)(GWY_SYNTH_CONTROLS *controls);
static void gwy_synth_boolean_changed (GWY_SYNTH_CONTROLS *controls,
GtkToggleButton *toggle);
static void gwy_synth_boolean_changed_silent(GtkToggleButton *button,
gboolean *target);
static void gwy_synth_toggle_sensitive (GtkToggleButton *toggle,
GtkWidget *widget);
static void gwy_synth_double_changed (GWY_SYNTH_CONTROLS *controls,
GtkAdjustment *adj);
static void gwy_synth_int_changed (GWY_SYNTH_CONTROLS *controls,
GtkAdjustment *adj);
static GtkWidget* gwy_synth_instant_updates_new (GWY_SYNTH_CONTROLS *controls,
GtkWidget **pupdate,
GtkWidget **pinstant,
gboolean *target);
static void gwy_synth_randomize_seed (GtkAdjustment *adj);
static GtkWidget* gwy_synth_random_seed_new (GWY_SYNTH_CONTROLS *controls,
GtkObject **adj,
gint *target);
static GtkWidget* gwy_synth_randomize_new (gboolean *target);
G_GNUC_UNUSED
static void
gwy_synth_boolean_changed(GWY_SYNTH_CONTROLS *controls,
GtkToggleButton *toggle)
{
GObject *object = G_OBJECT(toggle);
gboolean *target = g_object_get_data(object, "target");
g_return_if_fail(target);
*target = gtk_toggle_button_get_active(toggle);
GWY_SYNTH_INVALIDATE(controls);
}
G_GNUC_UNUSED
static void
gwy_synth_boolean_changed_silent(GtkToggleButton *button,
gboolean *target)
{
*target = gtk_toggle_button_get_active(button);
}
G_GNUC_UNUSED
static void
gwy_synth_toggle_sensitive(GtkToggleButton *toggle,
GtkWidget *widget)
{
gtk_widget_set_sensitive(widget, !gtk_toggle_button_get_active(toggle));
}
G_GNUC_UNUSED
static void
gwy_synth_int_changed(GWY_SYNTH_CONTROLS *controls,
GtkAdjustment *adj)
{
GObject *object = G_OBJECT(adj);
gint *target = g_object_get_data(object, "target");
g_return_if_fail(target);
*target = gwy_adjustment_get_int(adj);
GWY_SYNTH_INVALIDATE(controls);
}
G_GNUC_UNUSED
static void
gwy_synth_double_changed(GWY_SYNTH_CONTROLS *controls,
GtkAdjustment *adj)
{
GObject *object = G_OBJECT(adj);
gdouble *target = g_object_get_data(object, "target");
GwySynthUpdateValueFunc update_value = g_object_get_data(object,
"update-value");
g_return_if_fail(target);
*target = gtk_adjustment_get_value(adj);
if (update_value)
update_value(controls);
GWY_SYNTH_INVALIDATE(controls);
}
G_GNUC_UNUSED
static GtkWidget*
gwy_synth_instant_updates_new(GWY_SYNTH_CONTROLS *controls,
GtkWidget **pupdate,
GtkWidget **pinstant,
gboolean *target)
{
GtkWidget *hbox;
hbox = gtk_hbox_new(FALSE, 6);
*pupdate = gtk_button_new_with_mnemonic(_("_Update"));
gtk_widget_set_sensitive(*pupdate, !*target);
gtk_box_pack_start(GTK_BOX(hbox), *pupdate, FALSE, FALSE, 0);
*pinstant = gtk_check_button_new_with_mnemonic(_("I_nstant updates"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*pinstant), *target);
gtk_box_pack_start(GTK_BOX(hbox), *pinstant, FALSE, FALSE, 0);
g_object_set_data(G_OBJECT(*pinstant), "target", target);
g_signal_connect_swapped(*pinstant, "toggled",
G_CALLBACK(gwy_synth_boolean_changed), controls);
g_signal_connect(*pinstant, "toggled",
G_CALLBACK(gwy_synth_toggle_sensitive), *pupdate);
return hbox;
}
G_GNUC_UNUSED
static GtkWidget*
gwy_synth_progressive_preview_new(GWY_SYNTH_CONTROLS *controls,
GtkWidget **pupdate,
GtkWidget **panimated,
gboolean *target)
{
GtkWidget *hbox;
hbox = gtk_hbox_new(FALSE, 6);
*pupdate = gtk_button_new_with_mnemonic(_("_Update"));
gtk_box_pack_start(GTK_BOX(hbox), *pupdate, FALSE, FALSE, 0);
*panimated = gtk_check_button_new_with_mnemonic(_("Progressive preview"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*panimated), *target);
gtk_box_pack_start(GTK_BOX(hbox), *panimated, FALSE, FALSE, 0);
g_object_set_data(G_OBJECT(*panimated), "target", target);
g_signal_connect_swapped(*panimated, "toggled",
G_CALLBACK(gwy_synth_boolean_changed), controls);
return hbox;
}
G_GNUC_UNUSED
static void
gwy_synth_randomize_seed(GtkAdjustment *adj)
{
/* Use the GLib's global PRNG for seeding */
gtk_adjustment_set_value(adj, g_random_int() & 0x7fffffff);
}
G_GNUC_UNUSED
static GtkWidget*
gwy_synth_random_seed_new(GWY_SYNTH_CONTROLS *controls,
GtkObject **adj,
gint *target)
{
GtkWidget *hbox, *button, *label, *spin;
hbox = gtk_hbox_new(FALSE, 6);
*adj = gtk_adjustment_new(*target, 1, 0x7fffffff, 1, 10, 0);
g_object_set_data(G_OBJECT(*adj), "target", target);
g_signal_connect_swapped(*adj, "value-changed",
G_CALLBACK(gwy_synth_int_changed), controls);
label = gtk_label_new_with_mnemonic(_("R_andom seed:"));
gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
spin = gtk_spin_button_new(GTK_ADJUSTMENT(*adj), 0, 0);
gtk_label_set_mnemonic_widget(GTK_LABEL(label), spin);
gtk_box_pack_start(GTK_BOX(hbox), spin, FALSE, FALSE, 0);
button = gtk_button_new_with_mnemonic(gwy_sgettext("seed|_New"));
gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
g_signal_connect_swapped(button, "clicked",
G_CALLBACK(gwy_synth_randomize_seed), *adj);
return hbox;
}
G_GNUC_UNUSED
static GtkWidget*
gwy_synth_randomize_new(gboolean *target)
{
GtkWidget *button = gtk_check_button_new_with_mnemonic(_("Randomi_ze"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), *target);
g_signal_connect(button, "toggled",
G_CALLBACK(gwy_synth_boolean_changed_silent), target);
return button;
}
#endif
/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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