scim_tomoe_prefs_widget.cpp

手写输入

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 *  Copyright (C) 2005 Takuro Ashie
 *
 *  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, 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.
 */

#ifdef HAVE_CONFIG_H
  #include <config.h>
#endif

#include <glib/gi18n-lib.h>

#include "scim_tomoe_prefs_widget.h"
#include "scim_tomoe_prefs.h"
#include <tomoe-gtk.h>

enum {
    HOGE_SIGNAL,
    LAST_SIGNAL,
};

#define OBJECT_DATA_CONFIG_KEY        "ScimTomoePrefsWidget::ConfigKey"
#define OBJECT_DATA_CONFIG_VALUE      "ScimTomoePrefsWidget::ConfigValue"

G_DEFINE_TYPE (ScimTomoePrefsWidget, scim_tomoe_prefs_widget, GTK_TYPE_VBOX)

static void scim_tomoe_prefs_widget_class_init  (ScimTomoePrefsWidgetClass *klass);
static void scim_tomoe_prefs_widget_init        (ScimTomoePrefsWidget      *prefs_widget);
static void scim_tomoe_prefs_widget_dispose     (GObject                *object);

static GtkWidget *create_window_page            (ScimTomoePrefsWidget *prefs_widget);
static GtkWidget *create_handwriting_page       (ScimTomoePrefsWidget *prefs_widget);
#ifdef TOMOE_GTK_HAS_GUCHARMAP
static GtkWidget *create_unicode_table_page     (ScimTomoePrefsWidget *prefs_widget);
#endif /* TOMOE_GTK_HAS_GUCHARMAP */
static void       load_config                   (ScimTomoePrefsWidget      *prefs_widget);
static void       apply_config                  (ScimTomoePrefsWidget      *prefs_widget);

static void       on_default_toggle_button_toggled
                                                (GtkToggleButton        *togglebutton,
                                                 gpointer                user_data);
static void       on_default_toggle_button_set_sensitive
                                                (GtkToggleButton        *togglebutton,
                                                 gpointer                user_data);
static void       on_default_spin_button_changed(GtkSpinButton          *spinbutton,
                                                 gpointer                user_data);
static void       on_default_font_button_changed(GtkFontButton          *button,
                                                 gpointer                user_data);

//static guint prefs_widget_signals[LAST_SIGNAL] = { 0 };

static void
scim_tomoe_prefs_widget_class_init (ScimTomoePrefsWidgetClass *klass)
{
    GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

    gobject_class->dispose = scim_tomoe_prefs_widget_dispose;
}

static void
scim_tomoe_prefs_widget_init (ScimTomoePrefsWidget *prefs)
{
    GtkWidget *main_vbox = GTK_WIDGET (prefs);

    GtkWidget *notebook = gtk_notebook_new ();
    gtk_container_set_border_width (GTK_CONTAINER (notebook), 8);
    gtk_box_pack_start (GTK_BOX (main_vbox), notebook, TRUE, TRUE, 0);
    gtk_widget_show (notebook);

    /* "Window" page */
    GtkWidget *label  = gtk_label_new (_("Window"));
    GtkWidget *widget = create_window_page (prefs);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
    gtk_widget_show (label);
    gtk_widget_show (widget);

    /* "Handwriting recognition" page  */
    label  = gtk_label_new (_("Handwriting recognition"));
    widget = create_handwriting_page (prefs);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
    gtk_widget_show (label);
    gtk_widget_show (widget);

#ifdef TOMOE_GTK_HAS_GUCHARMAP
    /* "Unicode table" page */
    label  = gtk_label_new (_("Unicode table"));
    widget = create_unicode_table_page (prefs);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
    gtk_widget_show (label);
    gtk_widget_show (widget);
#endif /* TOMOE_GTK_HAS_GUCHARMAP */
}

static void
scim_tomoe_prefs_widget_dispose (GObject *object)
{
    ScimTomoePrefsWidget *prefs = SCIM_TOMOE_PREFS_WIDGET (object);

    if (prefs->config)
        prefs->config->flush ();
    prefs->config = NULL;

    if (G_OBJECT_CLASS(scim_tomoe_prefs_widget_parent_class)->dispose)
        G_OBJECT_CLASS(scim_tomoe_prefs_widget_parent_class)->dispose(object);
}

GtkWidget *
scim_tomoe_prefs_widget_new (TomoeWindow *window, const ConfigPointer &config)
{
    GtkWidget *widget = GTK_WIDGET(g_object_new (SCIM_TOMOE_TYPE_PREFS_WIDGET,
                                                 NULL));
    ScimTomoePrefsWidget *prefs = SCIM_TOMOE_PREFS_WIDGET (widget);

    prefs->config = config;
    prefs->parent = GTK_WIDGET (window);

    load_config (SCIM_TOMOE_PREFS_WIDGET(widget));

    return widget;
}

static GtkWidget *
create_check_button (ScimTomoePrefsWidget *prefs,
                     const gchar *label_text,
                     const gchar *key,
                     bool value)
{
    GtkWidget *check = gtk_check_button_new_with_mnemonic (label_text);
    g_object_set_data (G_OBJECT (check),
                       OBJECT_DATA_CONFIG_KEY, (gpointer) key);
    g_object_set_data (G_OBJECT (check),
                       OBJECT_DATA_CONFIG_VALUE, GINT_TO_POINTER (value));
    g_signal_connect (G_OBJECT (check), "toggled",
                      G_CALLBACK (on_default_toggle_button_toggled),
                      prefs);

    prefs->widget_list = g_list_append (prefs->widget_list, check);

    return check;
}

static GtkWidget *
create_spin_button (ScimTomoePrefsWidget *prefs,
                    const gchar *label_text,
                    const gchar *unit_text,
                    const gchar *key,
                    gint value,
                    gint min, gint max, gint step, gint page_size)
{
    GtkWidget *table = gtk_table_new (4, 4, FALSE);

    GtkWidget *label = gtk_label_new_with_mnemonic (label_text);
    gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
                      (GtkAttachOptions) (GTK_FILL),
                      (GtkAttachOptions) (GTK_FILL),
                      4, 4);
    gtk_widget_show (label);

    GtkObject *adj = gtk_adjustment_new (value, min, max, step,
                                         page_size, page_size);
    GtkWidget *spin = gtk_spin_button_new (GTK_ADJUSTMENT (adj), 0.0, 0);
    g_object_set_data (G_OBJECT (spin),
                       OBJECT_DATA_CONFIG_KEY, (gpointer) key);
    g_object_set_data (G_OBJECT (spin),
                       OBJECT_DATA_CONFIG_VALUE, GINT_TO_POINTER (value));
    gtk_table_attach (GTK_TABLE (table), spin, 1, 2, 1, 2,
                      (GtkAttachOptions) (GTK_FILL),
                      (GtkAttachOptions) (GTK_FILL),
                      4, 4);
    g_signal_connect (G_OBJECT (spin), "value-changed",
                      G_CALLBACK (on_default_spin_button_changed),
                      prefs);
    gtk_widget_show (spin);

    gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin);

    if (unit_text) {
        label = gtk_label_new (unit_text);
        gtk_table_attach (GTK_TABLE (table), label, 2, 3, 1, 2,
                          (GtkAttachOptions) (GTK_FILL),
                          (GtkAttachOptions) (GTK_FILL),
                          4, 4);
        gtk_widget_show (label);
    }

    prefs->widget_list = g_list_append (prefs->widget_list, spin);

    return table;
}

static GtkWidget *
create_font_button (ScimTomoePrefsWidget *prefs,
                    const gchar *label_text,
                    const gchar *key,
                    const gchar *value)
{
    GtkWidget *hbox = gtk_hbox_new (FALSE, 0);
    gtk_widget_show (hbox);

    GtkWidget *label = gtk_label_new (label_text);
    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
    gtk_widget_show (label);

    GtkWidget *button = gtk_font_button_new ();
    gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 4);
    gtk_widget_show (button);

    g_object_set_data (G_OBJECT (button),
                       OBJECT_DATA_CONFIG_KEY, (gpointer) key);
    g_object_set_data (G_OBJECT (button),
                       OBJECT_DATA_CONFIG_VALUE, (gpointer) value);
    g_signal_connect (G_OBJECT (button), "font-set",
                      G_CALLBACK (on_default_font_button_changed),
                      prefs);

    prefs->widget_list = g_list_append (prefs->widget_list, button);

    return hbox;
}

static void
set_default_font (ScimTomoePrefsWidget *prefs,
                  const gchar *key,
                  GtkWidget *widget)
{
    GList *node;

    for (node = prefs->widget_list; node; node = g_list_next (node)) {
        GtkWidget *w = (GtkWidget *) node->data;
        const gchar *k;
        gchar *str;

        if (!GTK_IS_FONT_BUTTON (w)) continue;

        k = (const gchar *) g_object_get_data (G_OBJECT (w),
                                               OBJECT_DATA_CONFIG_KEY);
        if (strcmp (k, key)) continue;

        str = pango_font_description_to_string (widget->style->font_desc);
        gtk_font_button_set_font_name (GTK_FONT_BUTTON (w), str);
        g_free (str);

        break;
    }
}

static GtkWidget *
create_window_page (ScimTomoePrefsWidget *prefs)
{
    GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);

    // show on top of other windows.
    GtkWidget *widget;
    widget = create_check_button (prefs, _("Show on _top of other windows"),
                                  SCIM_TOMOE_CONFIG_WINDOW_ALWAYS_TOP,
                                  SCIM_TOMOE_CONFIG_WINDOW_ALWAYS_TOP_DEFAULT);
    gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 4);