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
  41 /* Position of plugin on desktop */
  42 #define Xstartposition 700
  43 #define Ystartposition 425
  44
  45 gint xapplet = 0, yapplet = 0;
  46 GSList * objects_list = NULL;
  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 static 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)
 160 {
 161   Actor  a;
 162   GtkWidget *actor;
 163   GdkPixbuf *pixbuf;
 164   GtkWidget *image;
 165   gdouble scale = 1.0;
 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
 188   g_object_set_data(G_OBJECT(actor), "name", name);
 189   g_object_set_data(G_OBJECT(actor), "image", image);
 190   g_object_set_data(G_OBJECT(actor), "x", x);
 191   g_object_set_data(G_OBJECT(actor), "y", y);
 192   g_object_set_data(G_OBJECT(actor), "z", z);
 193   g_object_set_data(G_OBJECT(actor), "scale", 10);
 194 /*
 195   a.widget = actor;
 196   a.name = name;
 197   a.x = x;
 198   a.y = y;
 199   a.z = z;
 200   */
 201   //objects_list = g_slist_append(objects_list, G_OBJECT(actor));
 202   //objects_list = g_slist_append(objects_list, G_OBJECT(a));
 203   return actor;
 204 }
 205
 206 static void
 207 init_scene(GtkWidget *window)
 208 {
 209   GtkWidget *actor;
 210   GdkPixbuf *pixbuf;
 211   GtkWidget *image;
 212   double alt, azm;
 213   gint x, y;
 214
 215   scene.window = window;
 216   scene.daytime = get_daytime();
 217   scene.dynamic_actors = NULL;
 218   scene.static_actors = NULL;
 219
 220   get_sun_pos(&alt, &azm);
 221   get_sun_screen_pos(alt, azm, &x, &y);
 222   fprintf(stderr, "init scene\n");
 223   actor = init_object("sun", x, y, 20, 88, 88);
 224   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 225   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 226   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 227
 228   actor = init_object("sky", 0, 0, 0, 800, 480);
 229   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 230   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 231
 232   actor = init_object("town", 0, 0, 10, 800, 480);
 233   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 234   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 235
 236   actor = init_object("cloud1", 400, 150, 2, 200, 150);
 237   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 238   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 239
 240 }
 241
 242 void
 243 get_sun_screen_pos(double alt, double azm, gint * x, gint * y)
 244 {
 245     gint y0 = 400;// - уровень горизонта
 246     gint o_width = 128,
 247          o_height =
 248     *x = (int)(azm * 800) - 64;
 249     *y = (int)((1 - alt) * y0) - 64;
 250 }
 251
 252 static void
 253 change_actor(GtkWidget * actor)
 254 {
 255     char * name;
 256     gint x, y, daytime, scale;
 257     gdouble sc;
 258     double alt, azm;
 259
 260     GtkWidget *image;
 261     GdkPixbuf *pixbuf;
 262
 263     name = g_object_get_data(G_OBJECT(actor), "name");
 264     fprintf(stderr, "change actor %s\n", name);
 265     if (name == "sun"){
 266         daytime = get_daytime();
 267         if (daytime != TIME_NIGHT){
 268             hildon_animation_actor_set_show(actor, 1);
 269             get_sun_pos(&alt, &azm);
 270             get_sun_screen_pos(alt, azm, &x, &y);
 271             actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 272         }
 273     }
 274
 275     if (name == "cloud1"){
 276         x = g_object_get_data(G_OBJECT(actor), "x");
 277         y = g_object_get_data(G_OBJECT(actor), "y");
 278         scale = g_object_get_data(G_OBJECT(actor), "scale");
 279
 280         /* Start */
 281         image = g_object_get_data(G_OBJECT(actor), "image");
 282
 283         gtk_container_remove(actor, image);
 284         pixbuf = gdk_pixbuf_new_from_file_at_size ("/usr/share/anwall/sun.png",
 285                                              200,
 286                                              200,
 287                                              NULL);
 288         if (pixbuf){
 289               image = gtk_image_new_from_pixbuf (pixbuf);
 290               g_object_unref(G_OBJECT(pixbuf));
 291         }
 292         g_signal_connect(G_OBJECT(image), "expose_event",
 293                                    G_CALLBACK(expose_event), pixbuf);
 294         gtk_container_add (GTK_CONTAINER (actor), image);
 295         realize(actor);
 296         gtk_widget_show_all(actor);
 297         /* End*/
 298
 299
 300         x += 40;
 301         y -= 20;
 302         scale -= 1;
 303         if (x > 500){
 304             x = 400;
 305             y = 150;
 306             sc = 1;
 307         }
 308         sc = (double)scale / 10;
 309         hildon_animation_actor_set_scale(actor, sc, sc);
 310         fprintf(stderr, "cloud x=%d y=%d scale=%f", x, y, sc);
 311         actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 312         g_object_set_data(G_OBJECT(actor), "x", x);
 313         g_object_set_data(G_OBJECT(actor), "y", y);
 314         g_object_set_data(G_OBJECT(actor), "scale", scale);
 315     }
 316
 317 }
 318
 319 static gboolean
 320 plugin_on_timeout (gpointer data)
 321 {
 322   gint daytime = get_daytime();
 323   GSList * tmp;
 324   fprintf(stderr, "on timeout\n");
 325
 326   if (scene.daytime == daytime){
 327       /* Change dynamic actors */
 328       tmp = scene.dynamic_actors;
 329   }else {
 330       /* Change static actors */
 331       tmp = scene.dynamic_actors;
 332   }
 333   while (tmp != NULL){
 334       change_actor(tmp->data);
 335       tmp = g_slist_next(tmp);
 336   }
 337
 338   scene.daytime = daytime;
 339
 340   //double azm, alt;
 341   //get_sun_pos(&alt, &azm);
 342 /*
 343   GSList * tmp = objects_list;
 344   while (tmp != NULL){
 345       //processing(tmp->data);
 346
 347       str = g_object_get_data(G_OBJECT(tmp->data), "name");
 348       fprintf(stderr, "object: %s\n", str);
 349
 350       if (str == "sun"){
 351         //get_sun_screen_pos(alt, azm, &x, &y);
 352         //x = tmp->data
 353         //actor_set_position_full(tmp->data, x, y, 20);
 354         //g_object_set_data(G_OBJECT(tmp->data), "posX", x);
 355         //g_object_set_data(G_OBJECT(tmp->data), "posY", y);
 356         //fprintf(stderr, "x = %d y = %d\n", x, y);
 357         child = gtk_container_get_children(GTK_CONTAINER (tmp->data));
 358         while (child != NULL) {
 359             gtk_container_remove(GTK_CONTAINER (tmp->data), child->data);
 360             child = child->next;
 361         }
 362
 363          //snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 364          //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 365
 366       }
 367
 368       if (str == "town"){
 369           //hildon_animation_actor_set_show(tmp->data, 0);
 370       }
 371       //a = tmp->data;
 372       //fprintf(stderr, "--timeout %s\n", a->name);
 373       tmp = g_slist_next(tmp);
 374   }
 375   */
 376   return TRUE; /* keep running this event */
 377 }
 378
 379 static void
 380 animation_wallpaper_plugin_init (AWallpaperPlugin *desktop_plugin)
 381 {
 382   GtkWidget *label;
 383   label = gtk_label_new ("");
 384   gtk_widget_set_size_request(label, 95, 30);
 385   gtk_widget_show (label);
 386   hd_home_plugin_item_set_settings (HD_HOME_PLUGIN_ITEM (desktop_plugin), TRUE);
 387   g_signal_connect (desktop_plugin, "show-settings",
 388                              G_CALLBACK (live_wallpaper_settings), NULL);
 389   gtk_container_add (GTK_CONTAINER (desktop_plugin), label);
 390   init_applet_position();
 391   init_scene(desktop_plugin);
 392   desktop_plugin->timer = g_timeout_add(1000*10, plugin_on_timeout, desktop_plugin);
 393 }
 394
 395 static void
 396 animation_wallpaper_plugin_class_init (AWallpaperPluginClass *klass) {
 397   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 398
 399   widget_class->realize = lw_applet_realize;
 400   widget_class->expose_event = lw_applet_expose_event;
 401
 402   g_type_class_add_private (klass, sizeof (Animation_WallpaperPrivate));
 403
 404 }
 405
 406 static void
 407 animation_wallpaper_plugin_class_finalize (AWallpaperPluginClass *class) {}