File: preview.h

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/*
 *  $Id: preview.h 25604 2023-08-28 15:42:38Z yeti-dn $
 *  Copyright (C) 2015-2017 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_PROCESS_PREVIEW_H__
#define __GWY_PROCESS_PREVIEW_H__

#include <string.h>
#include <libgwydgets/gwycolorbutton.h>
#include <libgwydgets/gwydataview.h>
#include <libgwydgets/gwylayer-basic.h>
#include <libgwydgets/gwylayer-mask.h>
#include <libgwydgets/gwystock.h>
#include <libgwydgets/gwyradiobuttons.h>
#include <libgwydgets/gwydgetutils.h>
#include <app/menu.h>
#include <app/gwymoduleutils.h>
#include <app/data-browser.h>

enum {
    /* Standard preview size. */
    PREVIEW_SIZE = 480,
    /* For slow synth modules or if there are lots of other things to fit. */
    PREVIEW_SMALL_SIZE = 360,
    /* When we need to fit two preview-sized areas. */
    PREVIEW_HALF_SIZE = 240,
};

enum {
    RESPONSE_RESET     = 101,
    RESPONSE_PREVIEW   = 102,
    RESPONSE_ESTIMATE  = 105,
    RESPONSE_REFINE    = 106,
    RESPONSE_CALCULATE = 107,
    RESPONSE_LOAD      = 108,
    RESPONSE_SAVE      = 109,
    RESPONSE_COPY      = 110,
};

typedef struct {
    GwyGraphModel *gmodel;
    GwyDataChooserFilterFunc filter;
    gpointer filter_data;
} TargetGraphFilterData;

G_GNUC_UNUSED
static void
ensure_mask_color(GwyContainer *data, gint id)
{
    const gchar *key = g_quark_to_string(gwy_app_get_mask_key_for_id(id));
    GwyRGBA rgba;

    if (!gwy_rgba_get_from_container(&rgba, data, key)) {
        gwy_rgba_get_from_container(&rgba, gwy_app_settings_get(), "/mask");
        gwy_rgba_store_to_container(&rgba, data, key);
    }
}

G_GNUC_UNUSED
static void
load_mask_color_to_button(GtkWidget *color_button,
                          GwyContainer *data,
                          gint id)
{
    const gchar *key = g_quark_to_string(gwy_app_get_mask_key_for_id(id));
    GwyRGBA rgba;

    ensure_mask_color(data, id);
    gwy_rgba_get_from_container(&rgba, data, key);
    gwy_color_button_set_color(GWY_COLOR_BUTTON(color_button), &rgba);
}

G_GNUC_UNUSED
static void
mask_color_changed(GtkWidget *color_button)
{
    GObject *object = G_OBJECT(color_button);
    GtkWindow *dialog;
    GwyContainer *data;
    GQuark quark;
    gint id;

    data = GWY_CONTAINER(g_object_get_data(object, "data"));
    dialog = GTK_WINDOW(g_object_get_data(object, "dialog"));
    id = GPOINTER_TO_INT(g_object_get_data(object, "id"));
    quark = gwy_app_get_mask_key_for_id(id);
    gwy_mask_color_selector_run(NULL, dialog,
                                GWY_COLOR_BUTTON(color_button), data,
                                g_quark_to_string(quark));
    load_mask_color_to_button(color_button, data, id);
}

G_GNUC_UNUSED
static GtkWidget*
create_mask_color_button(GwyContainer *data, GtkWidget *dialog, gint id)
{
    GtkWidget *color_button;
    GObject *object;

    color_button = gwy_color_button_new();
    object = G_OBJECT(color_button);
    g_object_set_data(object, "data", data);
    g_object_set_data(object, "dialog", dialog);
    g_object_set_data(object, "id", GINT_TO_POINTER(id));

    gwy_color_button_set_use_alpha(GWY_COLOR_BUTTON(color_button), TRUE);
    load_mask_color_to_button(color_button, data, id);
    g_signal_connect(color_button, "clicked",
                     G_CALLBACK(mask_color_changed), NULL);

    return color_button;
}

G_GNUC_UNUSED
static void
set_widget_as_error_message(GtkWidget *widget)
{
    GdkColor gdkcolor_bad = { 0, 51118, 0, 0 };

    gtk_widget_modify_fg(widget, GTK_STATE_NORMAL, &gdkcolor_bad);
}

G_GNUC_UNUSED
static void
set_widget_as_warning_message(GtkWidget *widget)
{
    GdkColor gdkcolor_warning = { 0, 45056, 20480, 0 };

    gtk_widget_modify_fg(widget, GTK_STATE_NORMAL, &gdkcolor_warning);
}

G_GNUC_UNUSED
static void
set_widget_as_ok_message(GtkWidget *widget)
{
    gtk_widget_modify_fg(widget, GTK_STATE_NORMAL, NULL);
}

#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 : */