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 #include "livewp-multiactor.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 MultiActor * ma1;
  49 Scene scene;
  50
  51 static void
  52 lw_applet_realize (GtkWidget *widget)
  53 {
  54       GdkScreen *screen;
  55
  56       screen = gtk_widget_get_screen (widget);
  57       gtk_widget_set_colormap (widget,
  58                                 gdk_screen_get_rgba_colormap (screen));
  59       gtk_widget_set_app_paintable (widget,
  60                                 TRUE);
  61       GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->realize (widget);
  62 }
  63
  64
  65 static gboolean
  66 lw_applet_expose_event(GtkWidget      *widget,
  67                                         GdkEventExpose *event)
  68 {
  69   cairo_t *cr;
  70
  71   /* Create cairo context */
  72   cr = gdk_cairo_create (GDK_DRAWABLE (widget->window));
  73   gdk_cairo_region (cr, event->region);
  74   cairo_clip (cr);
  75
  76   /* Draw alpha background */
  77   cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
  78   cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.0);
  79   cairo_paint (cr);
  80
  81   /* Free context */
  82   cairo_destroy (cr);
  83
  84   return GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->expose_event (widget,
  85                                                                                   event);
  86 }
  87
  88 static gboolean
  89 expose_event (GtkWidget *widget,GdkEventExpose *event,
  90      gpointer data)
  91 {
  92     cairo_t *cr;
  93     GdkPixbuf *pixbuf = (GdkPixbuf *) data;
  94
  95     cr = gdk_cairo_create(widget->window);
  96     gdk_cairo_region(cr, event->region);
  97     cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
  98     gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.0, 0.0);
  99     cairo_paint(cr);
 100     cairo_destroy(cr);
 101     return TRUE;
 102 }
 103
 104 static void
 105 realize (GtkWidget *widget)
 106 {
 107     GdkScreen *screen;
 108     screen = gtk_widget_get_screen (widget);
 109     gtk_widget_set_colormap (widget, gdk_screen_get_rgba_colormap (screen));
 110 }
 111
 112 /* Set position of widget on desktop */
 113 static void
 114 init_applet_position(void)
 115 {
 116   GSList *position = NULL;
 117   gchar *position_key;
 118   gchar *modified_key;
 119   gchar *modified;
 120   GError *error = NULL;
 121   GConfClient   *gconf_client = gconf_client_get_default ();
 122   position_key = g_strdup_printf (GCONF_KEY_POSITION, PLUGIN_NAME);
 123   position = gconf_client_get_list (gconf_client,
 124                                     position_key,
 125                                     GCONF_VALUE_INT,
 126                                     NULL);
 127   if (position && position->data && position->next->data){
 128         xapplet = GPOINTER_TO_INT (position->data);
 129         yapplet = GPOINTER_TO_INT (position->next->data);
 130   }else{
 131         position = g_slist_prepend (g_slist_prepend (NULL,
 132                                       GINT_TO_POINTER (Ystartposition)),
 133                                       GINT_TO_POINTER (Xstartposition));
 134         gconf_client_set_list (gconf_client,
 135                                position_key,
 136                                GCONF_VALUE_INT,
 137                                position,
 138                                &error);
 139         xapplet = Xstartposition;
 140         yapplet = Ystartposition;
 141   }
 142   g_free (position_key);
 143   modified = g_strdup_printf ("%ld", 0);
 144   modified_key = g_strdup_printf (GCONF_KEY_MODIFIED, PLUGIN_NAME);
 145   gconf_client_set_string (gconf_client,
 146                            modified_key,
 147                            modified,
 148                            &error);
 149   gconf_client_clear_cache(gconf_client);
 150   g_object_unref(gconf_client);
 151 }
 152
 153 static void
 154 actor_set_position_full(GtkWidget *actor, gint x, gint y, gint z)
 155 {
 156  fprintf(stderr, "actor_set_position_full\n");
 157  hildon_animation_actor_set_position_full (HILDON_ANIMATION_ACTOR (actor),x-xapplet, y-yapplet, z);
 158 }
 159
 160 static GtkWidget*
 161 init_object(gchar * name, gint x, gint y, gint z, gint width, gint height)
 162 {
 163   GtkWidget *actor;
 164   GdkPixbuf *pixbuf;
 165   GtkWidget *image;
 166   gdouble scale = 1.0;
 167
 168   actor = hildon_animation_actor_new();
 169   gchar str[256];
 170   snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 171   //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 172   pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 173                                              width,
 174                                              height,
 175                                              NULL);
 176   if (pixbuf){
 177       image = gtk_image_new_from_pixbuf (pixbuf);
 178       g_object_unref(G_OBJECT(pixbuf));
 179   }
 180   g_signal_connect(G_OBJECT(image), "expose_event",
 181                            G_CALLBACK(expose_event), pixbuf);
 182   gtk_container_add (GTK_CONTAINER (actor), image);
 183
 184   actor_set_position_full(actor, x, y, z);
 185   hildon_animation_actor_set_show (actor, 1);
 186   realize(actor);
 187   gtk_widget_show_all(actor);
 188
 189   g_object_set_data(G_OBJECT(actor), "name", name);
 190   g_object_set_data(G_OBJECT(actor), "image", image);
 191   g_object_set_data(G_OBJECT(actor), "x", x);
 192   g_object_set_data(G_OBJECT(actor), "y", y);
 193   g_object_set_data(G_OBJECT(actor), "z", z);
 194   g_object_set_data(G_OBJECT(actor), "scale", 10);
 195   g_object_set_data(G_OBJECT(actor), "visible", 1);
 196
 197   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), scene.window);
 198 /*
 199   a.widget = actor;
 200   a.name = name;
 201   a.x = x;
 202   a.y = y;
 203   a.z = z;
 204   */
 205   //objects_list = g_slist_append(objects_list, G_OBJECT(actor));
 206   //objects_list = g_slist_append(objects_list, G_OBJECT(a));
 207   return actor;
 208 }
 209
 210 static void
 211 init_scene(GtkWidget *window)
 212 {
 213   GtkWidget *actor;
 214   GdkPixbuf *pixbuf;
 215   GtkWidget *image;
 216   double alt, azm;
 217   gint x, y;
 218
 219   scene.window = window;
 220   scene.daytime = get_daytime();
 221   scene.dynamic_actors = NULL;
 222   scene.static_actors = NULL;
 223
 224   get_sun_pos(&alt, &azm);
 225   get_sun_screen_pos(alt, azm, &x, &y);
 226   fprintf(stderr, "init scene\n");
 227   actor = init_object("sun", x, y, 20, 88, 88);
 228   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 229   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 230
 231   actor = init_object("sky", 0, 0, 0, 800, 480);
 232   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 233
 234   actor = init_object("town", 0, 0, 10, 800, 480);
 235   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 236
 237   actor = init_object("cloud1", 400, 150, 2, 200, 150);
 238   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 239
 240   GSList * list = NULL;
 241   actor = init_object("sun", 10, 10, 50, 88, 88);
 242   list = g_slist_append(list, G_OBJECT(actor));
 243   actor = init_object("cloud1", 50, 50, 49, 150, 100);
 244   list = g_slist_append(list, G_OBJECT(actor));
 245
 246   ma1 = multiactor_init("multi", list, 0, 0, 50, 1.0, TRUE);
 247   //objects_list = g_slist_append(objects_list, G_OBJECT(ma));
 248
 249
 250 }
 251
 252 void
 253 get_sun_screen_pos(double alt, double azm, gint * x, gint * y)
 254 {
 255     gint y0 = 400;// - уровень горизонта
 256     gint o_width = 128,
 257          o_height =
 258     *x = (int)(azm * 800) - 64;
 259     *y = (int)((1 - alt) * y0) - 64;
 260 }
 261
 262 void change_multiactor()
 263 {
 264     fprintf(stderr, "change multiactotr p=%p name= %s x=%d\n", ma1, ma1->name, ma1->x);
 265     gboolean fl;
 266     if (ma1->visible) fl = FALSE;
 267     else fl = TRUE;
 268     multiactor_set_visible(ma1, fl);
 269 }
 270
 271 static void
 272 change_actor(GtkWidget * actor)
 273 {
 274     char * name;
 275     gint x, y, daytime, scale;
 276     gdouble sc;
 277     double alt, azm;
 278
 279     GtkWidget *image;
 280     GdkPixbuf *pixbuf;
 281
 282     name = g_object_get_data(G_OBJECT(actor), "name");
 283     fprintf(stderr, "change actor %s\n", name);
 284     if (name == "sun"){
 285         daytime = get_daytime();
 286         if (daytime != TIME_NIGHT){
 287             hildon_animation_actor_set_show(actor, 1);
 288             get_sun_pos(&alt, &azm);
 289             get_sun_screen_pos(alt, azm, &x, &y);
 290             actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 291         }
 292     }
 293
 294     if (name == "cloud1"){
 295         x = g_object_get_data(G_OBJECT(actor), "x");
 296         y = g_object_get_data(G_OBJECT(actor), "y");
 297         scale = g_object_get_data(G_OBJECT(actor), "scale");
 298
 299         /* Start */
 300         image = g_object_get_data(G_OBJECT(actor), "image");
 301
 302         gtk_container_remove(actor, image);
 303         pixbuf = gdk_pixbuf_new_from_file_at_size ("/usr/share/anwall/sun.png",
 304                                              200,
 305                                              200,
 306                                              NULL);
 307         if (pixbuf){
 308               image = gtk_image_new_from_pixbuf (pixbuf);
 309               g_object_unref(G_OBJECT(pixbuf));
 310         }
 311         g_signal_connect(G_OBJECT(image), "expose_event",
 312                                    G_CALLBACK(expose_event), pixbuf);
 313         gtk_container_add (GTK_CONTAINER (actor), image);
 314         realize(actor);
 315         gtk_widget_show_all(actor);
 316         /* End*/
 317
 318
 319         x += 40;
 320         y -= 20;
 321         scale -= 1;
 322         if (x > 500){
 323             x = 400;
 324             y = 150;
 325             sc = 1;
 326         }
 327         sc = (double)scale / 10;
 328         hildon_animation_actor_set_scale(actor, sc, sc);
 329         fprintf(stderr, "cloud x=%d y=%d scale=%f", x, y, sc);
 330         actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 331         g_object_set_data(G_OBJECT(actor), "x", x);
 332         g_object_set_data(G_OBJECT(actor), "y", y);
 333         g_object_set_data(G_OBJECT(actor), "scale", scale);
 334     }
 335
 336 }
 337
 338 static gboolean
 339 plugin_on_timeout (gpointer data)
 340 {
 341   gint daytime = get_daytime();
 342   GSList * tmp;
 343   fprintf(stderr, "on timeout\n");
 344
 345   change_multiactor();
 346
 347   if (scene.daytime == daytime){
 348       /* Change dynamic actors */
 349       tmp = scene.dynamic_actors;
 350   }else {
 351       /* Change static actors */
 352       tmp = scene.dynamic_actors;
 353   }
 354   while (tmp != NULL){
 355       change_actor(tmp->data);
 356       tmp = g_slist_next(tmp);
 357   }
 358
 359   scene.daytime = daytime;
 360
 361   //double azm, alt;
 362   //get_sun_pos(&alt, &azm);
 363 /*
 364   GSList * tmp = objects_list;
 365   while (tmp != NULL){
 366       //processing(tmp->data);
 367
 368       str = g_object_get_data(G_OBJECT(tmp->data), "name");
 369       fprintf(stderr, "object: %s\n", str);
 370
 371       if (str == "sun"){
 372         //get_sun_screen_pos(alt, azm, &x, &y);
 373         //x = tmp->data
 374         //actor_set_position_full(tmp->data, x, y, 20);
 375         //g_object_set_data(G_OBJECT(tmp->data), "posX", x);
 376         //g_object_set_data(G_OBJECT(tmp->data), "posY", y);
 377         //fprintf(stderr, "x = %d y = %d\n", x, y);
 378         child = gtk_container_get_children(GTK_CONTAINER (tmp->data));
 379         while (child != NULL) {
 380             gtk_container_remove(GTK_CONTAINER (tmp->data), child->data);
 381             child = child->next;
 382         }
 383
 384          //snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 385          //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 386
 387       }
 388
 389       if (str == "town"){
 390           //hildon_animation_actor_set_show(tmp->data, 0);
 391       }
 392       //a = tmp->data;
 393       //fprintf(stderr, "--timeout %s\n", a->name);
 394       tmp = g_slist_next(tmp);
 395   }
 396   */
 397   return TRUE; /* keep running this event */
 398 }
 399
 400 static void
 401 animation_wallpaper_plugin_init (AWallpaperPlugin *desktop_plugin)
 402 {
 403   GtkWidget *label;
 404   label = gtk_label_new ("");
 405   gtk_widget_set_size_request(label, 95, 30);
 406   gtk_widget_show (label);
 407   hd_home_plugin_item_set_settings (HD_HOME_PLUGIN_ITEM (desktop_plugin), TRUE);
 408   g_signal_connect (desktop_plugin, "show-settings",
 409                              G_CALLBACK (live_wallpaper_settings), NULL);
 410   gtk_container_add (GTK_CONTAINER (desktop_plugin), label);
 411   init_applet_position();
 412   init_scene(desktop_plugin);
 413   desktop_plugin->timer = g_timeout_add(1000*10, plugin_on_timeout, desktop_plugin);
 414 }
 415
 416 static void
 417 animation_wallpaper_plugin_class_init (AWallpaperPluginClass *klass) {
 418   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 419
 420   widget_class->realize = lw_applet_realize;
 421   widget_class->expose_event = lw_applet_expose_event;
 422
 423   g_type_class_add_private (klass, sizeof (Animation_WallpaperPrivate));
 424
 425 }
 426
 427 static void
 428 animation_wallpaper_plugin_class_finalize (AWallpaperPluginClass *class) {}