fdatetime.c

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/*
 * File Name: fdatetime.c
 */

/*
 * This file is part of settings.
 *
 * settings 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.
 *
 * settings 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 <http://www.gnu.org/licenses/>.
 */

/**
 * Copyright (C) 2008 iRex Technologies B.V.
 * All rights reserved.
 */

//----------------------------------------------------------------------------
// Include Files
//----------------------------------------------------------------------------

// system include files, between < >
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <glib.h>
#include <gdk/gdkkeysyms.h>

#include <libergtk/ergtk.h>

#include "i18n.h"
#include "log.h"
#include "settings.h"
#include "settings_utils.h"
#include "settings_style.h"
#include "datetime_base.h"
#include "fdatetime.h"

//----------------------------------------------------------------------------
// Static Variables
//----------------------------------------------------------------------------
static DateTimeSettings g_settings;
static DateTimeWidgets  g_widgets;

static GtkWidget* g_top_window;

// Widgets related to continue
static GtkWidget* g_label_continue       = NULL;
static GtkWidget* g_label_continue_desc  = NULL;
static GtkWidget* g_continue_button      = NULL;
static GtkWidget* g_hidden_button        = NULL;

static const GdkColor white = {0, 0xFF00, 0xFF00, 0xFF00};

//============================================================================
// Local Function Definitions
//============================================================================

// Functions of creating widgets.
static void create_continue_widget(GtkVBox* vbox);
static void locale_changed(void);

// Signal handlers.

static gboolean on_continue_button_clicked(GtkWidget* widget, gpointer data);
static gboolean on_button_focus_in(GtkWidget* widget, 
                                          GdkEventFocus* event, 
                                          gpointer data);

//============================================================================
// Functions Implementation
//============================================================================
void load_fdatetime_settings()
{
    LOGPRINTF("entry");

    datetime_base_load_datetime(&g_settings);
}


gboolean save_fdatetime_settings()
{
    LOGPRINTF("entry");
    gboolean ret = TRUE;

    if ( ! datetime_base_save_datetime(&g_widgets, &g_settings) )
    {
        LOGPRINTF("save datetime failed.");
        ret = FALSE;

        /* Create a messagebox. */
        GtkWidget *dialog = gtk_message_dialog_new(
                GTK_WINDOW(g_top_window),
                GTK_DIALOG_MODAL,
                GTK_MESSAGE_WARNING,
                GTK_BUTTONS_OK,
                _("The date was not saved.") );

        gtk_dialog_run(GTK_DIALOG(dialog));
        gtk_widget_destroy(dialog);

    }
    return ret;
}


// Widget Hierarchy
// |--top_window
//    |--vboxtop
//       |--title bar
//       |--time
//       |--date
GtkWidget* create_fdatetime_window(GtkWidget* parent)
{
    // create top window
    g_top_window = parent;
    gtk_window_fullscreen(GTK_WINDOW(parent));
    gtk_window_set_resizable(GTK_WINDOW(parent), FALSE);
    gtk_container_set_border_width(GTK_CONTAINER(parent),WINDOW_BORDER_PADDING  );
    gtk_window_set_modal(GTK_WINDOW(parent), TRUE);

    // top level vbox (vboxtop)
    GtkWidget* vboxtop = gtk_vbox_new(FALSE, 0);
    gtk_container_add(GTK_CONTAINER(parent), vboxtop);

    // add header container the title and subtitle of this settings page
    create_title(GTK_VBOX(vboxtop), _("Setup"), _("Time & Date"));
     
    // Time and date.
    datetime_base_create_widgets(&g_widgets, &g_settings);
    g_signal_connect(G_OBJECT(g_widgets.hidden_button),
                    "focus-in-event",
                    G_CALLBACK(on_button_focus_in),
                    (gpointer)NULL);
    gtk_box_pack_start(GTK_BOX(vboxtop), g_widgets.parent, FALSE, FALSE, 0);

    // save button and continue
    create_continue_widget(GTK_VBOX(vboxtop));

    // Set the text.
    locale_changed();

    gtk_widget_grab_focus(g_widgets.timezone_button);

    gtk_widget_show_all(parent);

    return parent;
}

void fdatetime_set_orientation(gboolean is_portrait )
{
    g_widgets.is_portrait = is_portrait;
}

//============================================================================
// Local Functions Implementation
//============================================================================

static void create_continue_widget(GtkVBox* parent)
{
    GtkVBox* frame = create_frame(parent);

    // The label "Continue"
    g_label_continue = gtk_label_new(NULL);
    gtk_widget_set_name(g_label_continue, "irex-section-title");
    gtk_widget_set_size_request(g_label_continue, -1, -1);
    gtk_misc_set_alignment(GTK_MISC(g_label_continue), 0.0, 0.0);
    gtk_box_pack_start(GTK_BOX(frame), g_label_continue, FALSE, FALSE, 0);

    // The label "description".
    g_label_continue_desc = description_create();
    gtk_box_pack_start(GTK_BOX(frame), g_label_continue_desc, FALSE, FALSE, 0);

    // create button box
    GtkWidget* button_box = gtk_hbutton_box_new();
    gtk_box_pack_start(GTK_BOX(frame), button_box, FALSE, FALSE, 9);
    gtk_button_box_set_layout(GTK_BUTTON_BOX(button_box), GTK_BUTTONBOX_START);
    gtk_box_set_spacing(GTK_BOX(button_box), SMALL_SPACING);
    
    g_continue_button = gtk_button_new();
    gtk_box_pack_start(GTK_BOX(button_box), g_continue_button, FALSE, FALSE, 0);
    // Add signal handler.
    g_signal_connect(G_OBJECT(g_continue_button),
            "clicked",
            G_CALLBACK(on_continue_button_clicked ),
            (gpointer) NULL );

    g_hidden_button = gtk_button_new();
    gtk_box_pack_start(GTK_BOX(button_box), g_hidden_button, FALSE, FALSE, 0);
    // Add signal handler.
    g_object_set(G_OBJECT(g_hidden_button), "focus-on-click", FALSE, NULL);
    g_signal_connect(G_OBJECT(g_hidden_button),
            "focus-in-event",
            G_CALLBACK(on_button_focus_in ),
            (gpointer) NULL );

    gtk_widget_modify_fg(g_hidden_button, GTK_STATE_NORMAL, &white);
    gtk_widget_modify_fg(g_hidden_button, GTK_STATE_ACTIVE, &white);
    gtk_widget_modify_fg(g_hidden_button, GTK_STATE_SELECTED, &white);
}

static void locale_changed(void)
{
    // Timezone section.
    gtk_label_set_label(GTK_LABEL(g_widgets.label_timezone), _("Time Zone"));
    gtk_label_set_label(GTK_LABEL(g_widgets.label_timezone_desc),
            _("Tap on the up or down arrow to scroll through the time zones. "
              "Setting this to the area where you reside is essential for "
              "purchased content to work correctly."));
    gtk_label_set_label(GTK_LABEL(g_widgets.label_dst_desc),
            _("Check the box below if daylight saving time (DST) is currently "
              "in effect in your location."));

    // Time section.
    gtk_label_set_label(GTK_LABEL(g_widgets.label_time), _("Time"));
    gtk_label_set_label(GTK_LABEL(g_widgets.label_time_desc),
            _("Tap on the up or down arrow to scroll through the numbers."));
    
    // Date section.
    gtk_label_set_label(GTK_LABEL(g_widgets.label_date), _("Date"));
    gtk_label_set_label(GTK_LABEL(g_widgets.label_date_desc),
            _("Tap on the up or down arrow to scroll through the numbers."));

    // Continue section
    gtk_label_set_label(GTK_LABEL(g_label_continue), _("Save & Continue"));
    gtk_label_set_label(GTK_LABEL(g_label_continue_desc),
            _("Continue to save the changes and start using the device."));
    gtk_button_set_label(GTK_BUTTON(g_continue_button),  _("Save") );

    datetime_base_locale_changed(&g_widgets, &g_settings);
}

static gboolean on_continue_button_clicked(GtkWidget* widget, gpointer data)
{
    if ( TRUE == save_fdatetime_settings() )
    {
        // quit if valid date entered.
        // but stay if invalid date is entered
        main_quit(); 
    }
    return FALSE;
}

static gboolean on_button_focus_in(GtkWidget * widget, 
                                   GdkEventFocus * event, 
                                   gpointer data)
{
    if (widget == g_widgets.hidden_button)
    {
        gtk_widget_grab_focus(g_continue_button);
    }
    else if (widget == g_hidden_button)
    {
        gtk_widget_grab_focus(g_widgets.timezone_button);
    }
    return FALSE;
}