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 "livewp-common.h"
  26 #include "livewp-home-widget.h"
  27 #include <gconf/gconf-client.h>
  28 #include "livewp-rules.h"
  29
  30 #define PLUGIN_NAME "livewp-home-widget.desktop-0"
  31 #define GCONF_KEY_POSITION "/apps/osso/hildon-desktop/applets/%s/position"
  32 #define GCONF_KEY_MODIFIED "/apps/osso/hildon-desktop/applets/%s/modified"
  33 #define GCONF_KEY_VIEW     "/apps/osso/hildon-desktop/applets/%s/view"
  34
  35 HD_DEFINE_PLUGIN_MODULE (AWallpaperPlugin, animation_wallpaper_plugin, HD_TYPE_HOME_PLUGIN_ITEM)
  36 #define Animation_Wallpaper_HOME_PLUGIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE (obj,\
  37                                                           Animation_Wallpaper_TYPE_HOME_PLUGIN,\
  38                                                           Animation_WallpaperPrivate))
  39
  40 /* Position of plugin on desktop */
  41 #define Xstartposition 700
  42 #define Ystartposition 425
  43
  44 gint xapplet = 0, yapplet = 0;
  45 GSList * objects_list = NULL;
  46 MultiActor * ma1;
  47 Scene scene;
  48
  49 static void
  50 lw_applet_realize (GtkWidget *widget)
  51 {
  52       GdkScreen *screen;
  53
  54       screen = gtk_widget_get_screen (widget);
  55       gtk_widget_set_colormap (widget,
  56                                 gdk_screen_get_rgba_colormap (screen));
  57       gtk_widget_set_app_paintable (widget,
  58                                 TRUE);
  59       GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->realize (widget);
  60 }
  61
  62
  63 static gboolean
  64 lw_applet_expose_event(GtkWidget      *widget,
  65                                         GdkEventExpose *event)
  66 {
  67   cairo_t *cr;
  68
  69   /* Create cairo context */
  70   cr = gdk_cairo_create (GDK_DRAWABLE (widget->window));
  71   gdk_cairo_region (cr, event->region);
  72   cairo_clip (cr);
  73
  74   /* Draw alpha background */
  75   cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
  76   cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.0);
  77   cairo_paint (cr);
  78
  79   /* Free context */
  80   cairo_destroy (cr);
  81
  82   return GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->expose_event (widget,
  83                                                                                   event);
  84 }
  85
  86 static gboolean
  87 expose_event (GtkWidget *widget,GdkEventExpose *event,
  88      gpointer data)
  89 {
  90     cairo_t *cr;
  91     GdkPixbuf *pixbuf = (GdkPixbuf *) data;
  92
  93     cr = gdk_cairo_create(widget->window);
  94     gdk_cairo_region(cr, event->region);
  95     cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
  96     gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.0, 0.0);
  97     cairo_paint(cr);
  98     cairo_destroy(cr);
  99     return TRUE;
 100 }
 101
 102 static void
 103 realize (GtkWidget *widget)
 104 {
 105     GdkScreen *screen;
 106     screen = gtk_widget_get_screen (widget);
 107     gtk_widget_set_colormap (widget, gdk_screen_get_rgba_colormap (screen));
 108 }
 109
 110 /* Set position of widget on desktop */
 111 static void
 112 init_applet_position(void)
 113 {
 114   GSList *position = NULL;
 115   gchar *position_key;
 116   gchar *modified_key;
 117   gchar *modified;
 118   GError *error = NULL;
 119   GConfClient   *gconf_client = gconf_client_get_default ();
 120   position_key = g_strdup_printf (GCONF_KEY_POSITION, PLUGIN_NAME);
 121   position = gconf_client_get_list (gconf_client,
 122                                     position_key,
 123                                     GCONF_VALUE_INT,
 124                                     NULL);
 125   if (position && position->data && position->next->data){
 126         xapplet = GPOINTER_TO_INT (position->data);
 127         yapplet = GPOINTER_TO_INT (position->next->data);
 128   }else{
 129         position = g_slist_prepend (g_slist_prepend (NULL,
 130                                       GINT_TO_POINTER (Ystartposition)),
 131                                       GINT_TO_POINTER (Xstartposition));
 132         gconf_client_set_list (gconf_client,
 133                                position_key,
 134                                GCONF_VALUE_INT,
 135                                position,
 136                                &error);
 137         xapplet = Xstartposition;
 138         yapplet = Ystartposition;
 139   }
 140   g_free (position_key);
 141   modified = g_strdup_printf ("%ld", 0);
 142   modified_key = g_strdup_printf (GCONF_KEY_MODIFIED, PLUGIN_NAME);
 143   gconf_client_set_string (gconf_client,
 144                            modified_key,
 145                            modified,
 146                            &error);
 147   gconf_client_clear_cache(gconf_client);
 148   g_object_unref(gconf_client);
 149 }
 150
 151 void
 152 actor_set_position_full(GtkWidget *actor, gint x, gint y, gint z)
 153 {
 154 // fprintf(stderr, "actor_set_position_full\n");
 155  hildon_animation_actor_set_position_full (HILDON_ANIMATION_ACTOR (actor),x-xapplet, y-yapplet, z);
 156 }
 157
 158 static GtkWidget*
 159 init_object(gchar * name, gint x, gint y, gint z, gint width, gint height, void (*pfunc)(GtkWidget*, gpointer))
 160 {
 161   GtkWidget *actor;
 162   GdkPixbuf *pixbuf;
 163   GtkWidget *image;
 164   gdouble scale = 1.0;
 165
 166   actor = hildon_animation_actor_new();
 167   gchar str[256];
 168   snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 169   //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 170   pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 171                                              width,
 172                                              height,
 173                                              NULL);
 174   if (pixbuf){
 175       image = gtk_image_new_from_pixbuf (pixbuf);
 176       g_object_unref(G_OBJECT(pixbuf));
 177   }
 178   g_signal_connect(G_OBJECT(image), "expose_event",
 179                            G_CALLBACK(expose_event), pixbuf);
 180   gtk_container_add (GTK_CONTAINER (actor), image);
 181
 182   actor_set_position_full(actor, x, y, z);
 183   hildon_animation_actor_set_show (actor, 1);
 184   realize(actor);
 185   gtk_widget_show_all(actor);
 186   g_object_set_data(G_OBJECT(actor), "name", name);
 187   g_object_set_data(G_OBJECT(actor), "image", image);
 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   g_object_set_data(G_OBJECT(actor), "visible", 1);
 193   g_object_set_data(G_OBJECT(actor), "opacity", 255);
 194   g_object_set_data(G_OBJECT(actor), "func", pfunc);
 195
 196   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), scene.window);
 197 /*
 198   a.widget = actor;
 199   a.name = name;
 200   a.x = x;
 201   a.y = y;
 202   a.z = z;
 203   */
 204   //objects_list = g_slist_append(objects_list, G_OBJECT(actor));
 205   //objects_list = g_slist_append(objects_list, G_OBJECT(a));
 206   return actor;
 207 }
 208
 209 void change_sun(GtkWidget * actor, gpointer data)
 210 {
 211     double alt, azm;
 212     gint x, y, z, daytime;
 213     fprintf(stderr, "change sun \n");
 214     if (actor){
 215         daytime = get_daytime();
 216         if (daytime != TIME_NIGHT){
 217              hildon_animation_actor_set_show(actor, 1);
 218              get_sun_pos(&alt, &azm);
 219              get_sun_screen_pos(alt, azm, &x, &y);
 220              actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 221              g_object_set_data(G_OBJECT(actor), "visible", 1);
 222              g_object_set_data(G_OBJECT(actor), "x", x);
 223              g_object_set_data(G_OBJECT(actor), "y", y);
 224         }else {
 225             hildon_animation_actor_set_show(actor, 0);
 226             g_object_set_data(G_OBJECT(actor), "visible", 0);
 227         }
 228     }
 229 }
 230
 231 void change_sky(GtkWidget * actor, gpointer data)
 232 {
 233     gint daytime, opacity;
 234     fprintf(stderr, "change sky \n");
 235     if (actor){
 236         daytime = get_daytime();
 237         opacity = g_object_get_data(G_OBJECT(actor), "opacity") - 10;
 238         if (opacity < 0) opacity = 255;
 239         hildon_animation_actor_set_show_full(actor, 1, opacity);
 240         g_object_set_data(G_OBJECT(actor), "opacity", opacity);
 241         switch (daytime){
 242             case TIME_NIGHT:
 243                 fprintf(stderr, "change sky night\n");
 244             break;
 245             case TIME_DAY:
 246                 fprintf(stderr, "change sky day\n");
 247             break;
 248
 249         }
 250     }
 251 }
 252
 253 static void
 254 init_scene(GtkWidget *window)
 255 {
 256   GtkWidget *actor;
 257   GdkPixbuf *pixbuf;
 258   GtkWidget *image;
 259   double alt, azm;
 260   gint x, y;
 261   GSList * list = NULL;
 262
 263   scene.window = window;
 264   scene.daytime = get_daytime();
 265   scene.dynamic_actors = NULL;
 266   scene.static_actors = NULL;
 267
 268   get_sun_pos(&alt, &azm);
 269   get_sun_screen_pos(alt, azm, &x, &y);
 270   actor = init_object("sun", x, y, 20, 88, 88, &change_sun);
 271   //scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 272   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 273   //ma1->multiactor_init("sun", g_slist_append(list, G_OBJECT(actor)));
 274
 275   actor = init_object("sky_dark", 0, 0, 0, 800, 480, NULL);
 276   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 277
 278   actor = init_object("sky", 0, 0, 5, 800, 480, &change_sky);
 279   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 280
 281   actor = init_object("town", 0, 0, 10, 800, 480, NULL);
 282   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 283 /*
 284   actor = init_object("cloud1", 400, 150, 2, 200, 150, NULL);
 285   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 286
 287   actor = init_object("sun", 10, 10, 50, 88, 88, NULL);
 288   list = g_slist_append(list, G_OBJECT(actor));
 289   actor = init_object("cloud1", 50, 50, 49, 150, 100, NULL);
 290   list = g_slist_append(list, G_OBJECT(actor));
 291
 292   ma1 = multiactor_init("multi", list, 0, 0, 50, 1.0, TRUE);
 293   //objects_list = g_slist_append(objects_list, G_OBJECT(ma));
 294   */
 295
 296 }
 297
 298 void
 299 get_sun_screen_pos(double alt, double azm, gint * x, gint * y)
 300 {
 301     gint y0 = 400;// - уровень горизонта
 302     gint o_width = 128,
 303          o_height = 128;
 304     *x = (int)(azm * 800) - 64;
 305     *y = (int)((1 - alt) * y0) - 64;
 306 }
 307
 308 void change_multiactor()
 309 {
 310     gboolean fl;
 311     double scale;
 312     gint x, y, z;
 313     if (ma1->visible) fl = FALSE;
 314     else fl = TRUE;
 315     //multiactor_set_visible(ma1, fl);
 316
 317     scale = ma1->scale;
 318     scale -= 0.1;
 319     if (scale == 0) scale = 1;
 320     //multiactor_set_scale(ma1, scale);
 321
 322     x = ma1->x + 10;
 323     y = ma1->y + 10;
 324     //multiactor_set_position(ma1, x, y, 0);
 325
 326 }
 327
 328 static void
 329 change_actor(GtkWidget * actor)
 330 {
 331     char * name;
 332     gint x, y, daytime, scale;
 333     gdouble sc;
 334     double alt, azm;
 335
 336     GtkWidget *image;
 337     GdkPixbuf *pixbuf;
 338
 339     void (*pfunc)(gpointer, gpointer);
 340
 341     name = g_object_get_data(G_OBJECT(actor), "name");
 342     fprintf(stderr, "change actor %s\n", name);
 343     if (name == "sun"){
 344         pfunc = g_object_get_data(G_OBJECT(actor), "func");
 345         if (pfunc)
 346             (*pfunc)(actor, g_strdup(name));
 347         daytime = get_daytime();
 348         if (daytime != TIME_NIGHT){
 349             hildon_animation_actor_set_show(actor, 1);
 350             get_sun_pos(&alt, &azm);
 351             get_sun_screen_pos(alt, azm, &x, &y);
 352             actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 353         }
 354     }
 355
 356     if (name == "cloud1"){
 357         x = g_object_get_data(G_OBJECT(actor), "x");
 358         y = g_object_get_data(G_OBJECT(actor), "y");
 359         scale = g_object_get_data(G_OBJECT(actor), "scale");
 360
 361         /* Start */
 362         image = g_object_get_data(G_OBJECT(actor), "image");
 363
 364         gtk_container_remove(actor, image);
 365         pixbuf = gdk_pixbuf_new_from_file_at_size ("/usr/share/anwall/sun.png",
 366                                              200,
 367                                              200,
 368                                              NULL);
 369         if (pixbuf){
 370               image = gtk_image_new_from_pixbuf (pixbuf);
 371               g_object_unref(G_OBJECT(pixbuf));
 372         }
 373         g_signal_connect(G_OBJECT(image), "expose_event",
 374                                    G_CALLBACK(expose_event), pixbuf);
 375         gtk_container_add (GTK_CONTAINER (actor), image);
 376         realize(actor);
 377         gtk_widget_show_all(actor);
 378         /* End*/
 379
 380
 381         x += 40;
 382         y -= 20;
 383         scale -= 1;
 384         if (x > 500){
 385             x = 400;
 386             y = 150;
 387             sc = 1;
 388         }
 389         sc = (double)scale / 10;
 390         hildon_animation_actor_set_scale(actor, sc, sc);
 391         fprintf(stderr, "cloud x=%d y=%d scale=%f", x, y, sc);
 392         actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 393         g_object_set_data(G_OBJECT(actor), "x", x);
 394         g_object_set_data(G_OBJECT(actor), "y", y);
 395         g_object_set_data(G_OBJECT(actor), "scale", scale);
 396     }
 397
 398 }
 399
 400 static gboolean
 401 plugin_on_timeout (AWallpaperPlugin *desktop_plugin)
 402 {
 403   gint daytime = get_daytime();
 404   GSList * tmp;
 405   void (*pfunc)(gpointer, gpointer);
 406   fprintf(stderr, "on timeout\n");
 407
 408   if (scene.daytime == daytime){
 409       /* Change dynamic actors */
 410       tmp = scene.dynamic_actors;
 411   }else {
 412       /* Change static actors */
 413       tmp = scene.static_actors;
 414   }
 415   while (tmp != NULL){
 416       //change_actor(tmp->data);
 417       pfunc = g_object_get_data(G_OBJECT(tmp->data), "func");
 418       if (pfunc){
 419           (*pfunc)(tmp->data, NULL);
 420       }
 421       tmp = g_slist_next(tmp);
 422   }
 423
 424   scene.daytime = daytime;
 425
 426   //double azm, alt;
 427   //get_sun_pos(&alt, &azm);
 428 /*
 429   GSList * tmp = objects_list;
 430   while (tmp != NULL){
 431       //processing(tmp->data);
 432
 433       str = g_object_get_data(G_OBJECT(tmp->data), "name");
 434       fprintf(stderr, "object: %s\n", str);
 435
 436       if (str == "sun"){
 437         //get_sun_screen_pos(alt, azm, &x, &y);
 438         //x = tmp->data
 439         //actor_set_position_full(tmp->data, x, y, 20);
 440         //g_object_set_data(G_OBJECT(tmp->data), "posX", x);
 441         //g_object_set_data(G_OBJECT(tmp->data), "posY", y);
 442         //fprintf(stderr, "x = %d y = %d\n", x, y);
 443         child = gtk_container_get_children(GTK_CONTAINER (tmp->data));
 444         while (child != NULL) {
 445             gtk_container_remove(GTK_CONTAINER (tmp->data), child->data);
 446             child = child->next;
 447         }
 448
 449          //snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 450          //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 451
 452       }
 453
 454       if (str == "town"){
 455           //hildon_animation_actor_set_show(tmp->data, 0);
 456       }
 457       //a = tmp->data;
 458       //fprintf(stderr, "--timeout %s\n", a->name);
 459       tmp = g_slist_next(tmp);
 460   }
 461   */
 462   return TRUE; /* keep running this event */
 463 }
 464
 465 static void
 466 desktop_plugin_visible_notify (GObject    *object,
 467                                           GParamSpec *spec,
 468                                           AWallpaperPlugin *desktop_plugin)
 469 {
 470       gboolean visible;
 471       g_object_get (object, "is-on-current-desktop", &visible, NULL);
 472       fprintf (stderr, "is-on-current-desktop changed. visible: %u", visible);
 473 }
 474
 475 static void
 476 animation_wallpaper_plugin_init (AWallpaperPlugin *desktop_plugin)
 477 {
 478   GtkWidget *label;
 479 /* This code doesn't work */
 480 //  fprintf(stderr,"ddddddddddddd\n");
 481 //  desktop_plugin->priv = Animation_Wallpaper_HOME_PLUGIN_GET_PRIVATE(desktop_plugin);
 482 //  fprintf(stderr,"ddddddddddddd\n");
 483   label = gtk_label_new ("");
 484   //desktop_plugin->priv->main_widget = label;
 485   gtk_widget_set_size_request(label, 95, 30);
 486   gtk_widget_show (label);
 487   hd_home_plugin_item_set_settings (HD_HOME_PLUGIN_ITEM (desktop_plugin), TRUE);
 488   g_signal_connect (desktop_plugin, "show-settings",
 489                              G_CALLBACK (live_wallpaper_settings), NULL);
 490   g_signal_connect (desktop_plugin, "notify::is-on-current-desktop",
 491                      G_CALLBACK (desktop_plugin_visible_notify), desktop_plugin);
 492
 493   gtk_container_add (GTK_CONTAINER (desktop_plugin), label);
 494   init_applet_position();
 495   init_scene(desktop_plugin);
 496   desktop_plugin->timer = g_timeout_add(1000*2, plugin_on_timeout, desktop_plugin);
 497 }
 498
 499 static void
 500 animation_wallpaper_plugin_class_init (AWallpaperPluginClass *klass) {
 501   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 502
 503   widget_class->realize = lw_applet_realize;
 504   widget_class->expose_event = lw_applet_expose_event;
 505
 506   g_type_class_add_private (klass, sizeof (Animation_WallpaperPrivate));
 507
 508 }
 509
 510 static void
 511 animation_wallpaper_plugin_class_finalize (AWallpaperPluginClass *class) {}