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cellrenderercolor.c

/*  Copyright (C) 2001-2004  Kenichi Suto
 *
 *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

/* This source derives from gtkcellrenerertext.c of GTK+-2.0.9
 * Here is an original copyright.
*/

/* gtkcellrenderertext.c
 * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library 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 <stdlib.h>
#include "cellrenderercolor.h"
#include "defs.h"
#include "global.h"
#include "xmlinternal.h"
#include "jcode.h"
#include "render.h"


static void gtk_cell_renderer_color_init       (GtkCellRendererColor      *cellcolor);
static void gtk_cell_renderer_color_class_init (GtkCellRendererColorClass *class);
static void gtk_cell_renderer_color_finalize   (GObject                  *object);

static void gtk_cell_renderer_color_get_property  (GObject                  *object,
                                       guint                     param_id,
                                       GValue                   *value,
                                       GParamSpec               *pspec);
static void gtk_cell_renderer_color_set_property  (GObject                  *object,
                                       guint                     param_id,
                                       const GValue             *value,
                                       GParamSpec               *pspec);
static void gtk_cell_renderer_color_get_size   (GtkCellRenderer          *cell,
                                    GtkWidget                *widget,
                                    GdkRectangle             *cell_area,
                                    gint                     *x_offset,
                                    gint                     *y_offset,
                                    gint                     *width,
                                    gint                     *height);
static void gtk_cell_renderer_color_render     (GtkCellRenderer          *cell,
                                    GdkWindow                *window,
                                    GtkWidget                *widget,
                                    GdkRectangle             *background_area,
                                    GdkRectangle             *cell_area,
                                    GdkRectangle             *expose_area,
                                    GtkCellRendererState      flags);

static void cell_renderer_color_render_color(GtkCellRenderer *cell,
                                   GdkWindow *window,
                                   GtkWidget *widget,
                                   GtkStateType state,
                                   gchar *text,
                                   BOOK_INFO *binfo,
                                   gint origin_x,
                                   gint origin_y,
                                   gboolean render);


enum {
      PROP_0,
      PROP_COLOR,
};

static gpointer parent_class;


GtkType
gtk_cell_renderer_color_get_type (void)
{
      static GtkType cell_color_type = 0;

//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_get_type()");

      if (!cell_color_type)
      {
            static const GTypeInfo cell_color_info =
            {
                  sizeof (GtkCellRendererColorClass),
                  NULL,       /* base_init */
                  NULL,       /* base_finalize */
                  (GClassInitFunc) gtk_cell_renderer_color_class_init,
                  NULL,       /* class_finalize */
                  NULL,       /* class_data */
                  sizeof (GtkCellRendererColor),
                  0,              /* n_preallocs */
                  (GInstanceInitFunc) gtk_cell_renderer_color_init,
            };

            cell_color_type = g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererColor", &cell_color_info, 0);
      }

//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_get_type()");
      return cell_color_type;
}

static void
gtk_cell_renderer_color_init (GtkCellRendererColor *cellcolor)
{
//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_init()");

      GTK_CELL_RENDERER (cellcolor)->xalign = 0.0;
      GTK_CELL_RENDERER (cellcolor)->yalign = 0.5;
      GTK_CELL_RENDERER (cellcolor)->xpad = 2;
      GTK_CELL_RENDERER (cellcolor)->ypad = 2;

//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_init()");
}

static void
gtk_cell_renderer_color_class_init (GtkCellRendererColorClass *class)
{
      GObjectClass *object_class = G_OBJECT_CLASS (class);
      GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);

//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_class_init()");

      parent_class = g_type_class_peek_parent (class);
  
      object_class->finalize = gtk_cell_renderer_color_finalize;
  
      object_class->get_property = gtk_cell_renderer_color_get_property;
      object_class->set_property = gtk_cell_renderer_color_set_property;

      cell_class->get_size = gtk_cell_renderer_color_get_size;
      cell_class->render = gtk_cell_renderer_color_render;
  
      g_object_class_install_property (object_class,
                               PROP_COLOR,
                               g_param_spec_string ("color",
                                                _("Color"),
                                                _("Color"),
                                                NULL,
                                                G_PARAM_READWRITE));
  
//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_class_init()");

}

static void
gtk_cell_renderer_color_finalize (GObject *object)
{
      GtkCellRendererColor *cellcolor = GTK_CELL_RENDERER_COLOR (object);

//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_finalize()");

      if (cellcolor->color)
            g_free (cellcolor->color);

      (* G_OBJECT_CLASS (parent_class)->finalize) (object);

//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_finalize()");
}

static void
gtk_cell_renderer_color_get_property (GObject        *object,
                              guint           param_id,
                              GValue         *value,
                              GParamSpec     *pspec)
{
      GtkCellRendererColor *cellcolor = GTK_CELL_RENDERER_COLOR (object);

//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_get_property()");

      switch (param_id)
      {
      case PROP_COLOR:
            g_value_set_string (value, cellcolor->color);
            break;
      default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
            break;
      }
//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_get_property()");
}


static void
gtk_cell_renderer_color_set_property (GObject      *object,
                              guint         param_id,
                              const GValue *value,
                              GParamSpec   *pspec)
{
      GtkCellRendererColor *cellcolor = GTK_CELL_RENDERER_COLOR (object);

//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_set_property()");

      switch (param_id)
      {
      case PROP_COLOR:
            if (cellcolor->color)
                  g_free (cellcolor->color);
            cellcolor->color = g_strdup (g_value_get_string (value));
//          g_object_notify (object, "color");
            break;
      default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
            break;
      }
//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_set_property()");
}

GtkCellRenderer *
gtk_cell_renderer_color_new (void)
{
//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_new()");
      return GTK_CELL_RENDERER (g_object_new (gtk_cell_renderer_color_get_type (), NULL));
//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_new()");
}

static void
gtk_cell_renderer_color_get_size (GtkCellRenderer *cell,
                          GtkWidget       *widget,
                          GdkRectangle    *cell_area,
                          gint            *x_offset,
                          gint            *y_offset,
                          gint            *width,
                          gint            *height)
{
      GtkCellRendererColor *cellcolor = (GtkCellRendererColor *) cell;

//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_get_size()");

      if(width)
            *width = 40;
      if(height)
            *height = 10;
      if(x_offset)
            *x_offset = 2;
      if(y_offset)
            *y_offset = 2;

//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_get_size()");
}

static void
gtk_cell_renderer_color_render (GtkCellRenderer      *cell,
                        GdkWindow            *window,
                        GtkWidget            *widget,
                        GdkRectangle         *background_area,
                        GdkRectangle         *cell_area,
                        GdkRectangle         *expose_area,
                        GtkCellRendererState  flags)

{
      GtkCellRendererColor *cellcolor = (GtkCellRendererColor *) cell;
      GtkStateType state;
      gint x_offset;
      gint y_offset;

      GtkWidget *button;


//    LOG(LOG_DEBUG, "IN : gtk_cell_renderer_color_render()");


      gtk_cell_renderer_color_get_size (cell, widget, cell_area, &x_offset, &y_offset, NULL, NULL);

      if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
      {
            if (GTK_WIDGET_HAS_FOCUS (widget)){
                  state = GTK_STATE_SELECTED;
            }
            else {
                  state = GTK_STATE_ACTIVE;
            }
      }
      else
      {
            if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE){
                  state = GTK_STATE_INSENSITIVE;
            }
            else {
                  state = GTK_STATE_NORMAL;
            }
      }

      gtk_paint_option


//    LOG(LOG_DEBUG, "OUT : gtk_cell_renderer_color_render()");
}


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