vcs.maemo.org Git - livewp/blob - applet/src/livewp-home-widget.c

   1 /* vim: set sw=4 ts=4 et: */
   2 /*
   3  * This file is part of Live Wallpaper (livewp)
   4  *
   5  * Copyright (C) 2010 Vlad Vasiliev
   6  * Copyright (C) 2010 Tanya Makova
   7  *       for the code
   8  *
   9  * This software is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public License
  11  * as published by the Free Software Foundation; either version 2.1 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This software is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this software; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  22  * 02110-1301 USA
  23 */
  24 /*******************************************************************************/
  25 #include <gtk/gtk.h>
  26 #include <hildon/hildon.h>
  27 #include "livewp-home-widget.h"
  28 #include <gconf/gconf-client.h>
  29 #include "livewp-rules.h"
  30
  31 #define PLUGIN_NAME "livewp-home-widget.desktop-0"
  32 #define GCONF_KEY_POSITION "/apps/osso/hildon-desktop/applets/%s/position"
  33 #define GCONF_KEY_MODIFIED "/apps/osso/hildon-desktop/applets/%s/modified"
  34 #define GCONF_KEY_VIEW     "/apps/osso/hildon-desktop/applets/%s/view"
  35
  36 HD_DEFINE_PLUGIN_MODULE (AWallpaperPlugin, animation_wallpaper_plugin, HD_TYPE_HOME_PLUGIN_ITEM)
  37 #define Animation_Wallpaper_HOME_PLUGIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE (obj,\
  38                                                           Animation_Wallpaper_TYPE_HOME_PLUGIN,\
  39                                                           Animation_WallpaperPrivate))
  40
  41
  42 /* Position of plugin on desktop */
  43 #define Xstartposition 700
  44 #define Ystartposition 425
  45
  46 gint xapplet = 0, yapplet = 0;
  47 GSList * objects_list = NULL;
  48 Scene scene;
  49
  50 static void
  51 lw_applet_realize (GtkWidget *widget)
  52 {
  53       GdkScreen *screen;
  54
  55       screen = gtk_widget_get_screen (widget);
  56       gtk_widget_set_colormap (widget,
  57                                 gdk_screen_get_rgba_colormap (screen));
  58       gtk_widget_set_app_paintable (widget,
  59                                 TRUE);
  60       GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->realize (widget);
  61 }
  62
  63
  64 static gboolean
  65 lw_applet_expose_event(GtkWidget      *widget,
  66                                         GdkEventExpose *event)
  67 {
  68   cairo_t *cr;
  69
  70   /* Create cairo context */
  71   cr = gdk_cairo_create (GDK_DRAWABLE (widget->window));
  72   gdk_cairo_region (cr, event->region);
  73   cairo_clip (cr);
  74
  75   /* Draw alpha background */
  76   cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
  77   cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.0);
  78   cairo_paint (cr);
  79
  80   /* Free context */
  81   cairo_destroy (cr);
  82
  83   return GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->expose_event (widget,
  84                                                                                   event);
  85 }
  86
  87 static gboolean
  88 expose_event (GtkWidget *widget,GdkEventExpose *event,
  89      gpointer data)
  90 {
  91     cairo_t *cr;
  92     GdkPixbuf *pixbuf = (GdkPixbuf *) data;
  93
  94     cr = gdk_cairo_create(widget->window);
  95     gdk_cairo_region(cr, event->region);
  96     cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
  97     gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.0, 0.0);
  98     cairo_paint(cr);
  99     cairo_destroy(cr);
 100     return TRUE;
 101 }
 102
 103 static void
 104 realize (GtkWidget *widget)
 105 {
 106     GdkScreen *screen;
 107     screen = gtk_widget_get_screen (widget);
 108     gtk_widget_set_colormap (widget, gdk_screen_get_rgba_colormap (screen));
 109 }
 110
 111 /* Set position of widget on desktop */
 112 static void
 113 init_applet_position(void)
 114 {
 115   GSList *position = NULL;
 116   gchar *position_key;
 117   gchar *modified_key;
 118   gchar *modified;
 119   GError *error = NULL;
 120   GConfClient   *gconf_client = gconf_client_get_default ();
 121   position_key = g_strdup_printf (GCONF_KEY_POSITION, PLUGIN_NAME);
 122   position = gconf_client_get_list (gconf_client,
 123                                     position_key,
 124                                     GCONF_VALUE_INT,
 125                                     NULL);
 126   if (position && position->data && position->next->data){
 127         xapplet = GPOINTER_TO_INT (position->data);
 128         yapplet = GPOINTER_TO_INT (position->next->data);
 129   }else{
 130         position = g_slist_prepend (g_slist_prepend (NULL,
 131                                       GINT_TO_POINTER (Ystartposition)),
 132                                       GINT_TO_POINTER (Xstartposition));
 133         gconf_client_set_list (gconf_client,
 134                                position_key,
 135                                GCONF_VALUE_INT,
 136                                position,
 137                                &error);
 138         xapplet = Xstartposition;
 139         yapplet = Ystartposition;
 140   }
 141   g_free (position_key);
 142   modified = g_strdup_printf ("%ld", 0);
 143   modified_key = g_strdup_printf (GCONF_KEY_MODIFIED, PLUGIN_NAME);
 144   gconf_client_set_string (gconf_client,
 145                            modified_key,
 146                            modified,
 147                            &error);
 148   gconf_client_clear_cache(gconf_client);
 149   g_object_unref(gconf_client);
 150 }
 151
 152 static void
 153 actor_set_position_full(GtkWidget *actor, gint x, gint y, gint z)
 154 {
 155  fprintf(stderr, "actor_set_position_full\n");
 156  hildon_animation_actor_set_position_full (HILDON_ANIMATION_ACTOR (actor),x-xapplet, y-yapplet, z);
 157 }
 158
 159 static GtkWidget*
 160 init_object(gchar * name, gint x, gint y, gint z, gint width, gint height)
 161 {
 162   Actor  a;
 163   GtkWidget *actor;
 164   GdkPixbuf *pixbuf;
 165   GtkWidget *image;
 166
 167   actor = hildon_animation_actor_new();
 168   gchar str[256];
 169   snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 170   /* fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str); */
 171   pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 172                                              width,
 173                                              height,
 174                                              NULL);
 175   if (pixbuf){
 176       image = gtk_image_new_from_pixbuf (pixbuf);
 177       g_object_unref(G_OBJECT(pixbuf));
 178   }
 179   g_signal_connect(G_OBJECT(image), "expose_event",
 180                            G_CALLBACK(expose_event), pixbuf);
 181   gtk_container_add (GTK_CONTAINER (actor), image);
 182
 183   actor_set_position_full(actor, x, y, z);
 184   hildon_animation_actor_set_show (actor, 1);
 185   realize(actor);
 186   gtk_widget_show_all(actor);
 187   g_object_set_data(G_OBJECT(actor), "name", name);
 188   g_object_set_data(G_OBJECT(actor), "x", x);
 189   g_object_set_data(G_OBJECT(actor), "y", y);
 190   g_object_set_data(G_OBJECT(actor), "z", z);
 191   g_object_set_data(G_OBJECT(actor), "scale", 10);
 192
 193
 194   //objects_list = g_slist_append(objects_list, G_OBJECT(actor));
 195   //objects_list = g_slist_append(objects_list, G_OBJECT(a));
 196   return actor;
 197 }
 198
 199 static void
 200 init_scene(GtkWidget *window)
 201 {
 202   GtkWidget *actor;
 203   GdkPixbuf *pixbuf;
 204   GtkWidget *image;
 205   double alt, azm;
 206   gint x, y;
 207
 208   scene.window = window;
 209   scene.daytime = get_daytime();
 210   scene.dynamic_actors = NULL;
 211   scene.static_actors = NULL;
 212
 213   get_sun_pos(&alt, &azm);
 214   get_sun_screen_pos(alt, azm, &x, &y);
 215   fprintf(stderr, "init scene\n");
 216   actor = init_object("sun", x, y, 20, 88, 88);
 217   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 218   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 219   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 220
 221   actor = init_object("sky", 0, 0, 0, 800, 480);
 222   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 223   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 224
 225   actor = init_object("town", 0, 0, 10, 800, 480);
 226   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 227   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 228
 229   actor = init_object("cloud1", 400, 150, 2, 200, 150);
 230   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 231   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 232
 233 }
 234
 235 void
 236 get_sun_screen_pos(double alt, double azm, gint * x, gint * y)
 237 {
 238     gint y0 = 400;// - уровень горизонта
 239     gint o_width = 128,
 240          o_height =
 241     *x = (int)(azm * 800) - 64;
 242     *y = (int)((1 - alt) * y0) - 64;
 243 }
 244
 245 static void
 246 change_actor(GtkWidget * actor)
 247 {
 248     char * name;
 249     gint x, y, daytime, sc;
 250     double scale;
 251     double alt, azm;
 252     name = g_object_get_data(G_OBJECT(actor), "name");
 253     fprintf(stderr, "change actor %s\n", name);
 254     if (name == "sun"){
 255         daytime = get_daytime();
 256         if (daytime != TIME_NIGHT){
 257             hildon_animation_actor_set_show(actor, 1);
 258             get_sun_pos(&alt, &azm);
 259             get_sun_screen_pos(alt, azm, &x, &y);
 260             actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 261         }
 262     }
 263
 264     if (name == "cloud1"){
 265         x = g_object_get_data(G_OBJECT(actor), "x");
 266         y = g_object_get_data(G_OBJECT(actor), "y");
 267         sc = g_object_get_data(G_OBJECT(actor), "scale");
 268
 269         x += 40;
 270         y -= 20;
 271         sc -= 1;
 272         if (x > 600){
 273             x = 400;
 274             y = 150;
 275             sc = 10;
 276         }
 277         scale = (double)sc / 10;
 278         hildon_animation_actor_set_scale(actor, scale, scale);
 279         fprintf(stderr, "cloud x=%d y=%d scale=%f", x, y, scale);
 280         actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 281         g_object_set_data(G_OBJECT(actor), "x", x);
 282         g_object_set_data(G_OBJECT(actor), "y", y);
 283         g_object_set_data(G_OBJECT(actor), "scale", sc);
 284     }
 285
 286 }
 287
 288 static gboolean
 289 plugin_on_timeout (gpointer data)
 290 {
 291   gint daytime = get_daytime();
 292   GSList * tmp;
 293   fprintf(stderr, "on timeout\n");
 294
 295   if (scene.daytime == daytime){
 296       /* Change dynamic actors */
 297       tmp = scene.dynamic_actors;
 298   }else {
 299       /* Change static actors */
 300       tmp = scene.dynamic_actors;
 301   }
 302   while (tmp != NULL){
 303       change_actor(tmp->data);
 304       tmp = g_slist_next(tmp);
 305   }
 306
 307   scene.daytime = daytime;
 308
 309   //double azm, alt;
 310   //get_sun_pos(&alt, &azm);
 311 /*
 312   GSList * tmp = objects_list;
 313   while (tmp != NULL){
 314       //processing(tmp->data);
 315
 316       str = g_object_get_data(G_OBJECT(tmp->data), "name");
 317       fprintf(stderr, "object: %s\n", str);
 318
 319       if (str == "sun"){
 320         //get_sun_screen_pos(alt, azm, &x, &y);
 321         //x = tmp->data
 322         //actor_set_position_full(tmp->data, x, y, 20);
 323         //g_object_set_data(G_OBJECT(tmp->data), "posX", x);
 324         //g_object_set_data(G_OBJECT(tmp->data), "posY", y);
 325         //fprintf(stderr, "x = %d y = %d\n", x, y);
 326         child = gtk_container_get_children(GTK_CONTAINER (tmp->data));
 327         while (child != NULL) {
 328             gtk_container_remove(GTK_CONTAINER (tmp->data), child->data);
 329             child = child->next;
 330         }
 331
 332          //snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 333          //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 334
 335       }
 336
 337       if (str == "town"){
 338           //hildon_animation_actor_set_show(tmp->data, 0);
 339       }
 340       //a = tmp->data;
 341       //fprintf(stderr, "--timeout %s\n", a->name);
 342       tmp = g_slist_next(tmp);
 343   }
 344   */
 345   return TRUE; /* keep running this event */
 346 }
 347 void
 348 live_wallpaper_settings(GtkWidget *widget, gpointer user_data){
 349         fprintf(stderr,"test\n");
 350 }
 351 static void
 352 animation_wallpaper_plugin_init (AWallpaperPlugin *desktop_plugin)
 353 {
 354   GtkWidget *label;
 355   label = gtk_label_new ("");
 356   gtk_widget_set_size_request(label, 95, 30);
 357   gtk_widget_show (label);
 358   hd_home_plugin_item_set_settings (HD_HOME_PLUGIN_ITEM (desktop_plugin), TRUE);
 359   g_signal_connect (desktop_plugin, "show-settings",
 360                              G_CALLBACK (live_wallpaper_settings), NULL);
 361   gtk_container_add (GTK_CONTAINER (desktop_plugin), label);
 362   init_applet_position();
 363   init_scene(desktop_plugin);
 364   desktop_plugin->timer = g_timeout_add(1000*10, plugin_on_timeout, desktop_plugin);
 365 }
 366
 367 static void
 368 animation_wallpaper_plugin_class_init (AWallpaperPluginClass *klass) {
 369   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 370
 371   widget_class->realize = lw_applet_realize;
 372   widget_class->expose_event = lw_applet_expose_event;
 373
 374   g_type_class_add_private (klass, sizeof (Animation_WallpaperPrivate));
 375
 376 }
 377
 378 static void
 379 animation_wallpaper_plugin_class_finalize (AWallpaperPluginClass *class) {}