/*
 * OWL (OpenedHand Widget Library) Colour Selector Dialog.
 *
 * Author: Rob Bradford  <rob@openedhand.com>
 *
 * Copyright (C) 2007 OpenedHand Ltd.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "owlcolourselectordialog.h"
#include "owlcolourswatch.h"
#include "owlcolourpalette.h"

#include <gtk/gtk.h>

G_DEFINE_TYPE (OwlColourSelectorDialog, owl_colour_selector_dialog, GTK_TYPE_DIALOG);

#define COLOUR_SELECTOR_DIALOG_PRIVATE(o) \
  (G_TYPE_INSTANCE_GET_PRIVATE ((o), OWL_TYPE_COLOUR_SELECTOR_DIALOG, OwlColourSelectorDialogPrivate))

typedef struct _OwlColourSelectorDialogPrivate OwlColourSelectorDialogPrivate;

struct _OwlColourSelectorDialogPrivate
{
  GtkWidget *frame;
  GtkWidget *vbox;
  GtkWidget *palette;
  GtkWidget *swatch;
};

static void
owl_colour_selector_dialog_get_property (GObject *object, guint property_id,
                              GValue *value, GParamSpec *pspec)
{
  switch (property_id) {
  default:
    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  }
}

static void
owl_colour_selector_dialog_set_property (GObject *object, guint property_id,
                              const GValue *value, GParamSpec *pspec)
{
  switch (property_id) {
  default:
    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  }
}

static void
owl_colour_selector_dialog_dispose (GObject *object)
{
  if (G_OBJECT_CLASS (owl_colour_selector_dialog_parent_class)->dispose)
    G_OBJECT_CLASS (owl_colour_selector_dialog_parent_class)->dispose (object);
}

static void
owl_colour_selector_dialog_finalize (GObject *object)
{
  G_OBJECT_CLASS (owl_colour_selector_dialog_parent_class)->finalize (object);
}

static void
owl_colour_selector_dialog_class_init (OwlColourSelectorDialogClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);

  g_type_class_add_private (klass, sizeof (OwlColourSelectorDialogPrivate));

  object_class->get_property = owl_colour_selector_dialog_get_property;
  object_class->set_property = owl_colour_selector_dialog_set_property;
  object_class->dispose = owl_colour_selector_dialog_dispose;
  object_class->finalize = owl_colour_selector_dialog_finalize;
}

static void
colour_selected_cb (GtkWidget *widget, OwlColourSwatch *swatch, gpointer user_data)
{
  OwlColourSelectorDialogPrivate *priv = COLOUR_SELECTOR_DIALOG_PRIVATE (user_data);

  owl_colour_swatch_set_colour (OWL_COLOUR_SWATCH(priv->swatch), owl_colour_swatch_get_colour (swatch));
  printf ("%x\n", owl_colour_swatch_get_colour (swatch));
}

guint32
owl_colour_selector_dialog_get_colour (OwlColourSelectorDialog *self)
{
  OwlColourSelectorDialogPrivate *priv = COLOUR_SELECTOR_DIALOG_PRIVATE (self);
  
  return owl_colour_swatch_get_colour (OWL_COLOUR_SWATCH(priv->swatch));
}

void
owl_colour_selector_dialog_set_colour (OwlColourSelectorDialog *self, guint32 colour)
{
  OwlColourSelectorDialogPrivate *priv = COLOUR_SELECTOR_DIALOG_PRIVATE (self);

  owl_colour_swatch_set_colour (OWL_COLOUR_SWATCH (priv->swatch), colour);
}

static void
owl_colour_selector_dialog_init (OwlColourSelectorDialog *self)
{
  GtkWidget *frame;
  GtkWidget *vbox;
  GtkWidget *palette;
  GtkWidget *swatch;
  GtkWidget *hbox;
  GtkWidget *alignment;

  guint32 colours[] = {0xfce94f00, 0xedd40000, 0xc4a00000,
                       0xfcaf3e00, 0xf5790000, 0xce5c0000,
                       0xe9b96e00, 0xc17d1100, 0x8f590200,
                       0x8ae23400, 0x73d21600, 0x4e9a0600,
                       0x729fcf00, 0x3465a400, 0x204a8700,
                       0xad7fa800, 0x75507b00, 0x5c356600,
                       0xef292900, 0xcc000000, 0xa4000000,
                       0xffffffff, 0xbabdb600, 0x00000000};

  OwlColourSelectorDialogPrivate *priv = COLOUR_SELECTOR_DIALOG_PRIVATE (self);

  frame = gtk_frame_new (NULL);
  vbox = gtk_vbox_new (FALSE, 6);

  gtk_container_add (GTK_CONTAINER(frame), vbox);

  palette = owl_colour_palette_new (6, 4);
  gtk_box_pack_start (GTK_BOX (vbox), palette, TRUE, TRUE, 6);

  owl_colour_palette_set_colours (OWL_COLOUR_PALETTE (palette), colours, 24);

  g_signal_connect (palette, "colour-selected", (GCallback)colour_selected_cb, self);

  swatch = owl_colour_swatch_new ();
  hbox = gtk_hbox_new (FALSE, 0);

  alignment = gtk_alignment_new (0.5, 0.5, 1, 1);
  gtk_container_add (GTK_CONTAINER (alignment), swatch);

  gtk_box_pack_start (GTK_BOX (hbox), alignment, TRUE, FALSE, 6);
  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 6);

  gtk_widget_set_size_request (swatch, 64, 64);

  gtk_container_add (GTK_CONTAINER (GTK_DIALOG (self)->vbox), frame);

  gtk_widget_show_all (frame);

  gtk_dialog_add_buttons (GTK_DIALOG (self),
      GTK_STOCK_CANCEL,
      GTK_RESPONSE_CANCEL,
      GTK_STOCK_OK,
      GTK_RESPONSE_OK,
      NULL);


  gtk_window_set_resizable (GTK_WINDOW (self), FALSE);
  gtk_window_set_title (GTK_WINDOW (self), "Pick a colour");

  priv->palette = palette;
  priv->swatch = swatch;
  priv->vbox = vbox;
  priv->frame = frame;
}

GtkWidget*
owl_colour_selector_dialog_new (void)
{
  return GTK_WIDGET(g_object_new (OWL_TYPE_COLOUR_SELECTOR_DIALOG, NULL));
}