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Viewing changes to src/launcher-catbar.c

  • Committer: Neil J. Patel
  • Date: 2008-04-16 13:50:57 UTC
  • Revision ID: njpatel@gmail.com-20080416135057-uwf4gyqvdmn9xnpu
* Inital check-in of the category bar

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src/launcher-catbar.c
 
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/*
 
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 * Copyright (C) 2008 Canonical Ltd
 
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 *
 
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 * This program is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU General Public
 
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 * License as published by the Free Software Foundation; either
 
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 * version 2 of the License, or (at your option) any later version.
 
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 *
 
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 * This library is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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 * Lesser General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public
 
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 * License along with this library; if not, write to the
 
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 
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 * Boston, MA 02111-1307, USA.
 
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 *
 
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 * Authored by Neil Jagdish Patel <neil.patel@canonical.com>
 
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 *
 
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 */
 
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#include "launcher-catbar.h"
 
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#include "launcher-defines.h"
 
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#include "tidy-texture-frame.h"
 
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G_DEFINE_TYPE (LauncherCatbar, launcher_catbar, CLUTTER_TYPE_GROUP);
 
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#define LAUNCHER_CATBAR_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj),\
 
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  LAUNCHER_TYPE_CATBAR, \
 
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  LauncherCatbarPrivate))
 
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struct _LauncherCatbarPrivate
 
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{
 
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  ClutterActor *bg_texture;
 
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  ClutterActor *bg;
 
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  ClutterActor *hilight_texture;
 
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  ClutterActor *hilight;
 
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};
 
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enum
 
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{
 
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  CAT_SELECTED,
 
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  LAST_SIGNAL
 
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};
 
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static guint _catbar_signals[LAST_SIGNAL] = { 0 };
 
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/* GObject stuff */
 
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static void
 
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launcher_catbar_class_init (LauncherCatbarClass *klass)
 
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{
 
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  GObjectClass        *obj_class = G_OBJECT_CLASS (klass);
 
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        _catbar_signals[CAT_SELECTED] =
 
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                g_signal_new ("categroy-selected",
 
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                              G_OBJECT_CLASS_TYPE (obj_class),
 
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                              G_SIGNAL_RUN_LAST,
 
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                              G_STRUCT_OFFSET (LauncherCatbarClass, category_selected),
 
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                              NULL, NULL,
 
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                              g_cclosure_marshal_VOID__POINTER, 
 
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                              G_TYPE_NONE,0);
 
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  g_type_class_add_private (obj_class, sizeof (LauncherCatbarPrivate));
 
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}
 
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static void
 
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_append_category (LauncherCatbar       *bar, 
 
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                  LauncherMenuCategory *category,
 
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                  gint                  size,
 
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                  gint                  offset)
 
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{
 
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  GdkPixbuf *icon;
 
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  ClutterActor *texture;
 
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  ClutterActor *label;
 
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  ClutterColor color = { 0xff, 0xff, 0xff, 0xff };
 
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  icon = launcher_menu_category_get_icon (category);
 
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  texture = clutter_texture_new_from_pixbuf (icon);
 
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  clutter_actor_set_size (texture, size -(4*CAT_PADDING), size-(4*CAT_PADDING));
 
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  clutter_actor_set_anchor_point_from_gravity (texture, CLUTTER_GRAVITY_NORTH);
 
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  clutter_actor_set_position (texture, 
 
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                              size/2,
 
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                              offset + CAT_PADDING);
 
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  clutter_container_add_actor (CLUTTER_CONTAINER (bar), texture);
 
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  clutter_actor_show (texture);
 
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  label = clutter_label_new_full (CAT_FONT, 
 
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                                  launcher_menu_category_get_name (category),
 
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                                  &color);
 
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  clutter_container_add_actor (CLUTTER_CONTAINER (bar), label);
 
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  clutter_actor_set_anchor_point_from_gravity (label, CLUTTER_GRAVITY_NORTH);
 
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  clutter_actor_set_position (label, 
 
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                              size/2,
 
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                              clutter_actor_get_y (texture) + CAH(texture)
 
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                                + (CAT_PADDING/2));
 
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  clutter_actor_show (label);
 
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}
 
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static void
 
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launcher_catbar_init (LauncherCatbar *catbar)
 
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{
 
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  LauncherCatbarPrivate *priv;
 
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  LauncherMenu *menu = launcher_menu_get_default ();
 
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  GdkPixbuf *temp;
 
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  gint bar_width = CAT_SIZE();
 
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  gint bar_height = CAT_SIZE() * N_CATS;
 
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        GList *l;
 
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  gint i = 0;
 
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  priv = catbar->priv = LAUNCHER_CATBAR_GET_PRIVATE (catbar);
 
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  temp = gdk_pixbuf_new_from_file (PKGDATADIR"/sidebar.png", NULL);
 
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  priv->bg_texture = clutter_texture_new_from_pixbuf (temp);
 
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  clutter_actor_realize (priv->bg_texture);
 
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  g_object_unref (temp);
 
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  priv->bg = tidy_texture_frame_new (CLUTTER_TEXTURE (priv->bg_texture),
 
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                                     2, 35, 10,10);
 
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  clutter_container_add_actor (CLUTTER_CONTAINER (catbar), priv->bg);
 
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  clutter_actor_set_size (priv->bg, bar_width, bar_height);
 
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  clutter_actor_set_position (priv->bg, 0,
 
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                              ((CSH()/2)-(bar_height/2))+PANEL_HEIGHT);
 
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  clutter_actor_show (priv->bg);
 
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  for (l = launcher_menu_get_categories (menu); l; l = l->next)
 
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  {
 
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    LauncherMenuCategory *cat = l->data;
 
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    _append_category (catbar, cat, bar_width, 
 
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                      (bar_width * i)+ clutter_actor_get_y (priv->bg));
 
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    i++;
 
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  }
 
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}
 
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ClutterActor *
 
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launcher_catbar_get_default (void)
 
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{
 
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  static ClutterActor *catbar = NULL;
 
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  if (!catbar)
 
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    catbar = g_object_new (LAUNCHER_TYPE_CATBAR, 
 
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                       NULL);
 
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  return catbar;
 
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}