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 <libhildondesktop/libhildondesktop.h>
  29 #include <gconf/gconf-client.h>
  30 #include "livewp-rules.h"
  31
  32 #define PLUGIN_NAME "livewp-home-widget.desktop-0"
  33 #define GCONF_KEY_POSITION "/apps/osso/hildon-desktop/applets/%s/position"
  34 #define GCONF_KEY_MODIFIED "/apps/osso/hildon-desktop/applets/%s/modified"
  35 #define GCONF_KEY_VIEW     "/apps/osso/hildon-desktop/applets/%s/view"
  36
  37 HD_DEFINE_PLUGIN_MODULE (AWallpaperPlugin, animation_wallpaper_plugin, HD_TYPE_HOME_PLUGIN_ITEM)
  38 #define Animation_Wallpaper_HOME_PLUGIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE (obj,\
  39                                                           Animation_Wallpaper_TYPE_HOME_PLUGIN,\
  40                                                           Animation_WallpaperPrivate))
  41 struct _Animation_WallpaperPrivate
  42 {
  43       gpointer data;
  44 };
  45
  46
  47 /* Position of plugin on desktop */
  48 #define Xstartposition 700
  49 #define Ystartposition 425
  50
  51 gint xapplet = 0, yapplet = 0;
  52 GSList * objects_list = NULL;
  53 Scene scene;
  54
  55 static void
  56 lw_applet_realize (GtkWidget *widget)
  57 {
  58       GdkScreen *screen;
  59
  60       screen = gtk_widget_get_screen (widget);
  61       gtk_widget_set_colormap (widget,
  62                                 gdk_screen_get_rgba_colormap (screen));
  63       gtk_widget_set_app_paintable (widget,
  64                                 TRUE);
  65       GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->realize (widget);
  66 }
  67
  68
  69 static gboolean
  70 lw_applet_expose_event(GtkWidget      *widget,
  71                                         GdkEventExpose *event)
  72 {
  73   cairo_t *cr;
  74
  75   /* Create cairo context */
  76   cr = gdk_cairo_create (GDK_DRAWABLE (widget->window));
  77   gdk_cairo_region (cr, event->region);
  78   cairo_clip (cr);
  79
  80   /* Draw alpha background */
  81   cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
  82   cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.0);
  83   cairo_paint (cr);
  84
  85   /* Free context */
  86   cairo_destroy (cr);
  87
  88   return GTK_WIDGET_CLASS (animation_wallpaper_plugin_parent_class)->expose_event (widget,
  89                                                                                   event);
  90 }
  91
  92 gboolean
  93 expose_event (GtkWidget *widget,GdkEventExpose *event,
  94      gpointer data)
  95 {
  96     cairo_t *cr;
  97     GdkPixbuf *pixbuf = (GdkPixbuf *) data;
  98
  99     cr = gdk_cairo_create(widget->window);
 100     gdk_cairo_region(cr, event->region);
 101     cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
 102     gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.0, 0.0);
 103     cairo_paint(cr);
 104     cairo_destroy(cr);
 105     return TRUE;
 106 }
 107
 108 void
 109 realize (GtkWidget *widget)
 110 {
 111     GdkScreen *screen;
 112     screen = gtk_widget_get_screen (widget);
 113     gtk_widget_set_colormap (widget, gdk_screen_get_rgba_colormap (screen));
 114 }
 115
 116 /* set position of widget on desktop */
 117 void
 118 init_applet_position(void)
 119 {
 120   GSList *position = NULL;
 121   gchar *position_key;
 122   gchar *modified_key;
 123   gchar *modified;
 124   GError *error = NULL;
 125   GConfClient   *gconf_client = gconf_client_get_default ();
 126   position_key = g_strdup_printf (GCONF_KEY_POSITION, PLUGIN_NAME);
 127   position = gconf_client_get_list (gconf_client,
 128                                     position_key,
 129                                     GCONF_VALUE_INT,
 130                                     NULL);
 131   if (position && position->data && position->next->data){
 132         xapplet = GPOINTER_TO_INT (position->data);
 133         yapplet = GPOINTER_TO_INT (position->next->data);
 134   }else{
 135         position = g_slist_prepend (g_slist_prepend (NULL,
 136                                       GINT_TO_POINTER (Ystartposition)),
 137                                       GINT_TO_POINTER (Xstartposition));
 138         gconf_client_set_list (gconf_client,
 139                                position_key,
 140                                GCONF_VALUE_INT,
 141                                position,
 142                                &error);
 143         xapplet = Xstartposition;
 144         yapplet = Ystartposition;
 145   }
 146   g_free (position_key);
 147   modified = g_strdup_printf ("%ld", 0);
 148   modified_key = g_strdup_printf (GCONF_KEY_MODIFIED, PLUGIN_NAME);
 149   gconf_client_set_string (gconf_client,
 150                            modified_key,
 151                            modified,
 152                            &error);
 153   gconf_client_clear_cache(gconf_client);
 154   g_object_unref(gconf_client);
 155 }
 156
 157 actor_set_position_full(GtkWidget *actor, gint x, gint y, gint z)
 158 {
 159  fprintf(stderr, "actor_set_position_full\n");
 160  hildon_animation_actor_set_position_full (HILDON_ANIMATION_ACTOR (actor),x-xapplet, y-yapplet, z);
 161 }
 162
 163 GtkWidget* init_object(gchar * name, gint x, gint y, gint z, gint width, gint height)
 164 {
 165   Actor  a;
 166   GtkWidget *actor;
 167   GdkPixbuf *pixbuf;
 168   GtkWidget *image;
 169
 170   actor = hildon_animation_actor_new();
 171   gchar str[256];
 172   snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 173   //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 174   pixbuf = gdk_pixbuf_new_from_file_at_size (str,
 175                                              width,
 176                                              height,
 177                                              NULL);
 178   if (pixbuf){
 179       image = gtk_image_new_from_pixbuf (pixbuf);
 180       g_object_unref(G_OBJECT(pixbuf));
 181   }
 182   g_signal_connect(G_OBJECT(image), "expose_event",
 183                            G_CALLBACK(expose_event), pixbuf);
 184   gtk_container_add (GTK_CONTAINER (actor), image);
 185
 186    pixbuf = gdk_pixbuf_new_from_file_at_size ("/usr/share/anwall/cloud1.png",
 187                                              width,
 188                                              height,
 189                                              NULL);
 190   if (pixbuf){
 191       image = gtk_image_new_from_pixbuf (pixbuf);
 192       g_object_unref(G_OBJECT(pixbuf));
 193   }
 194   g_signal_connect(G_OBJECT(image), "expose_event",
 195                            G_CALLBACK(expose_event), pixbuf);
 196
 197   gtk_container_add (GTK_CONTAINER (actor), image);
 198   actor_set_position_full(actor, x, y, z);
 199   hildon_animation_actor_set_show (actor, 1);
 200   realize(actor);
 201   gtk_widget_show_all(actor);
 202   g_object_set_data(G_OBJECT(actor), "name", name);
 203   g_object_set_data(G_OBJECT(actor), "x", x);
 204   g_object_set_data(G_OBJECT(actor), "y", y);
 205   g_object_set_data(G_OBJECT(actor), "z", z);
 206   g_object_set_data(G_OBJECT(actor), "scale", 10);
 207
 208
 209   //objects_list = g_slist_append(objects_list, G_OBJECT(actor));
 210   //objects_list = g_slist_append(objects_list, G_OBJECT(a));
 211   return actor;
 212 }
 213
 214 void
 215 init_scene(GtkWidget *window)
 216 {
 217   GtkWidget *actor;
 218   GdkPixbuf *pixbuf;
 219   GtkWidget *image;
 220   double alt, azm;
 221   gint x, y;
 222
 223   scene.window = window;
 224   scene.daytime = get_daytime();
 225   scene.dynamic_actors = NULL;
 226   scene.static_actors = NULL;
 227
 228   get_sun_pos(&alt, &azm);
 229   get_sun_screen_pos(alt, azm, &x, &y);
 230   fprintf(stderr, "init scene\n");
 231   actor = init_object("sun", x, y, 20, 88, 88);
 232   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 233   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 234   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 235
 236   actor = init_object("sky", 0, 0, 0, 800, 480);
 237   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 238   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 239
 240   actor = init_object("town", 0, 0, 10, 800, 480);
 241   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 242   scene.static_actors = g_slist_append(scene.static_actors, G_OBJECT(actor));
 243
 244   actor = init_object("cloud1", 400, 150, 2, 200, 150);
 245   hildon_animation_actor_set_parent (HILDON_ANIMATION_ACTOR (actor), window);
 246   scene.dynamic_actors = g_slist_append(scene.dynamic_actors, G_OBJECT(actor));
 247
 248 }
 249
 250 static void
 251 example_label_home_applet_realize (GtkWidget *widget)
 252 {
 253 }
 254 void get_sun_screen_pos(double alt, double azm, gint * x, gint * y)
 255 {
 256     gint y0 = 400;// - уровень горизонта
 257     gint o_width = 128,
 258          o_height =
 259     *x = (int)(azm * 800) - 64;
 260     *y = (int)((1 - alt) * y0) - 64;
 261 }
 262
 263 void change_actor(GtkWidget * actor)
 264 {
 265     char * name;
 266     gint x, y, daytime, sc;
 267     double scale;
 268     double alt, azm;
 269     name = g_object_get_data(G_OBJECT(actor), "name");
 270     fprintf(stderr, "change actor %s\n", name);
 271     if (name == "sun"){
 272         daytime = get_daytime();
 273         if (daytime != TIME_NIGHT){
 274             hildon_animation_actor_set_show(actor, 1);
 275             get_sun_pos(&alt, &azm);
 276             get_sun_screen_pos(alt, azm, &x, &y);
 277             actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 278         }
 279     }
 280
 281     if (name == "cloud1"){
 282         x = g_object_get_data(G_OBJECT(actor), "x");
 283         y = g_object_get_data(G_OBJECT(actor), "y");
 284         sc = g_object_get_data(G_OBJECT(actor), "scale");
 285
 286         x += 20;
 287         y -= 20;
 288         sc -= 1;
 289         if (x > 500){
 290             x = 400;
 291             y = 150;
 292             sc = 10;
 293         }
 294         scale = (double)sc / 10;
 295         hildon_animation_actor_set_scale(actor, scale, scale);
 296         fprintf(stderr, "cloud x=%d y=%d scale=%f", x, y, scale);
 297         actor_set_position_full(actor, x, y, g_object_get_data(G_OBJECT(actor), "z"));
 298         g_object_set_data(G_OBJECT(actor), "x", x);
 299         g_object_set_data(G_OBJECT(actor), "y", y);
 300         g_object_set_data(G_OBJECT(actor), "scale", sc);
 301     }
 302
 303 }
 304
 305 static gboolean
 306 plugin_on_timeout (gpointer data)
 307 {
 308   gint daytime = get_daytime();
 309   GSList * tmp;
 310   fprintf(stderr, "on timeout\n");
 311
 312   if (scene.daytime == daytime){
 313       // change dynamic actors
 314       tmp = scene.dynamic_actors;
 315   }else {
 316       // change static actors
 317       tmp = scene.dynamic_actors;
 318   }
 319   while (tmp != NULL){
 320       change_actor(tmp->data);
 321       tmp = g_slist_next(tmp);
 322   }
 323
 324   scene.daytime = daytime;
 325
 326   //double azm, alt;
 327   //get_sun_pos(&alt, &azm);
 328 /*
 329   GSList * tmp = objects_list;
 330   while (tmp != NULL){
 331       //processing(tmp->data);
 332
 333       str = g_object_get_data(G_OBJECT(tmp->data), "name");
 334       fprintf(stderr, "object: %s\n", str);
 335
 336       if (str == "sun"){
 337         //get_sun_screen_pos(alt, azm, &x, &y);
 338         //x = tmp->data
 339         //actor_set_position_full(tmp->data, x, y, 20);
 340         //g_object_set_data(G_OBJECT(tmp->data), "posX", x);
 341         //g_object_set_data(G_OBJECT(tmp->data), "posY", y);
 342         //fprintf(stderr, "x = %d y = %d\n", x, y);
 343         child = gtk_container_get_children(GTK_CONTAINER (tmp->data));
 344         while (child != NULL) {
 345             gtk_container_remove(GTK_CONTAINER (tmp->data), child->data);
 346             child = child->next;
 347         }
 348
 349          //snprintf(str, 255, "/usr/share/anwall/%s.png", name);
 350          //fprintf(stderr, "!!!init object !!!!\nname = %s file = %s\n", name, str);
 351
 352       }
 353
 354       if (str == "town"){
 355           //hildon_animation_actor_set_show(tmp->data, 0);
 356       }
 357       //a = tmp->data;
 358       //fprintf(stderr, "--timeout %s\n", a->name);
 359       tmp = g_slist_next(tmp);
 360   }
 361   */
 362   return TRUE; /* keep running this event */
 363 }
 364 void
 365 live_wallpaper_settings(GtkWidget *widget, gpointer user_data){
 366         fprintf(stderr,"test\n");
 367 }
 368 static void
 369 animation_wallpaper_plugin_init (AWallpaperPlugin *desktop_plugin)
 370 {
 371   GtkWidget *label;
 372   label = gtk_label_new ("");
 373   gtk_widget_set_size_request(label, 95, 30);
 374   gtk_widget_show (label);
 375   hd_home_plugin_item_set_settings (HD_HOME_PLUGIN_ITEM (desktop_plugin), TRUE);
 376   g_signal_connect (desktop_plugin, "show-settings",
 377                              G_CALLBACK (live_wallpaper_settings), NULL);
 378   gtk_container_add (GTK_CONTAINER (desktop_plugin), label);
 379   init_applet_position();
 380   init_scene(desktop_plugin);
 381   desktop_plugin->timer = g_timeout_add(1000*10, plugin_on_timeout, desktop_plugin);
 382 }
 383
 384 static void
 385 animation_wallpaper_plugin_class_init (AWallpaperPluginClass *klass) {
 386   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 387
 388   widget_class->realize = lw_applet_realize;
 389   widget_class->expose_event = lw_applet_expose_event;
 390
 391   g_type_class_add_private (klass, sizeof (Animation_WallpaperPrivate));
 392
 393 }
 394
 395 static void
 396 animation_wallpaper_plugin_class_finalize (AWallpaperPluginClass *class) {}