git.roojs.org Git - app.Builder.js/blob - src/JsRender/NodeToGtk.vala

   1 /*
   2
   3
   4 */
   5 public class JsRender.NodeToGtk : Object {
   6
   7         Node node;
   8         Object wrapped_object;
   9         NodeToGtk parentObj;
  10
  11         Gee.ArrayList<NodeToGtk> children;
  12
  13         Gee.ArrayList<string> els;
  14         //Gee.ArrayList<string> skip;
  15         Gee.HashMap<string,string> ar_props;
  16         public static int vcnt = 0;
  17
  18         public NodeToGtk( Node node)
  19         {
  20                 this.node = node;
  21                 this.els = new Gee.ArrayList<string>();
  22                 this.children = new Gee.ArrayList<NodeToGtk>();
  23                 //this.skip = new Gee.ArrayList<string>();
  24                 this.ar_props = new Gee.HashMap<string,string>();
  25                 this.parentObj = null;
  26         }
  27
  28         public Object? munge ( )
  29         {
  30                 var ret = this.mungeNode();
  31                 if (ret == null) {
  32                         return null;
  33                 }
  34
  35                 return ret.wrapped_object;
  36
  37         }
  38         public NodeToGtk? mungeChild(  Node cnode)
  39         {
  40                 var x = new  NodeToGtk(cnode);
  41                 x.parentObj = this;
  42                 return x.mungeNode();
  43
  44         }
  45
  46         public NodeToGtk? mungeNode()
  47         {
  48
  49                 var parent = this.parentObj != null ? this.parentObj.wrapped_object : null;
  50                 var cls = this.node.fqn().replace(".", "");
  51                 var ns = this.node.fqn().split(".")[0];
  52                 var gtkbuilder = new global::Gtk.Builder();
  53
  54                 var cls_gtype = gtkbuilder.get_type_from_name(cls);
  55                 print("Type: %s ?= %s\n", this.node.fqn(), cls_gtype.name());
  56
  57                 if (cls_gtype == GLib.Type.INVALID) {
  58                         print("SKIP - gtype is invalid\n");
  59                         return null;
  60                 }
  61                 // if it's a window...
  62
  63                 if (cls_gtype.is_a(typeof(global::Gtk.Window))) {
  64                         // what if it has none...
  65                         if (this.node.items.size < 1) {
  66                                 return null;
  67                         }
  68                         return this.mungeChild(this.node.items.get(0));
  69                 }
  70
  71                 var ret = Object.new(cls_gtype);
  72                 ret.ref(); //??? problematic?
  73                 this.wrapped_object = ret;
  74
  75
  76                 switch(cls) {
  77                         // fixme
  78                         //case "GtkTreeStore": // top level.. - named and referenced
  79                         case "GtkListStore": // top level.. - named and referenced
  80                         //case "GtkTreeViewColumn": // part of liststore?!?!
  81                         //case "GtkMenu": // top level..
  82                         //case "GtkCellRendererText":
  83                         case "GtkSourceBuffer":
  84                         case "GtkClutterActor"://fixme..
  85                         case "GtkClutterEmbed"://fixme.. -- we can not nest embedded.. need to solve..
  86
  87                                 return null;
  88                 }
  89
  90                 this.packParent();
  91
  92
  93                 // pack paramenters
  94
  95
  96                 if (parent != null && parent.get_type().is_a(typeof(global::Gtk.Container))) {
  97                         this.packContainerParams();
  98                 }
  99
 100                 var cls_gir =Palete.Gir.factoryFqn(this.node.fqn());
 101                 if (cls_gir == null) {
 102                         return null;
 103                 }
 104                 //var id = this.node.uid();
 105                 //var ret = @"$pad<object class=\"$cls\" id=\"$id\">\n";
 106                 // properties..
 107                 var props = cls_gir.props;
 108
 109
 110                 var pviter = props.map_iterator();
 111                 while (pviter.next()) {
 112
 113                                 // print("Check: " +cls + "::(" + pviter.get_value().propertyof + ")" + pviter.get_key() + " " );
 114                         var k = pviter.get_key();
 115                         // skip items we have already handled..
 116                         if  (!this.node.has(k)) {
 117                                 continue;
 118                         }
 119                         // find out the type of the property...
 120                         var type = pviter.get_value().type;
 121                         type = Palete.Gir.fqtypeLookup(type, ns);
 122
 123                         var val = this.toValue(this.node.get(k).strip(), type);
 124                         if (val == null) {
 125                                 print("skip (failed to transform value %s type = %s from %s\n",
 126                                         cls + "." + k, type,  this.node.get(k).strip());
 127                                 continue;
 128                         }
 129                         print ("set_property ( %s , %s / %s)\n", k, this.node.get(k).strip(), val.strdup_contents());
 130
 131
 132                         ret.set_property(k, val);
 133
 134
 135                 }
 136                 // packing???
 137                 // for now... - just try the builder style packing
 138
 139
 140
 141                 if (this.node.items.size < 1) {
 142                         return this;
 143                 }
 144
 145                 for (var i = 0; i < this.node.items.size; i++ ) {
 146
 147                          var ch = this.mungeChild(this.node.items.get(i));
 148                          if (ch != null) {
 149                                  this.children.add(ch);
 150                          }
 151
 152                 }
 153
 154                 this.afterChildren();
 155
 156                 return this;
 157
 158
 159
 160
 161         }
 162
 163         public void  afterChildren()
 164         {
 165                 // things like GtkNotebook - we have to pack children after they have been created..
 166                 var cls = this.node.fqn().replace(".", "");
 167
 168                 if (cls == "GtkNotebook") {
 169                         this.afterChildrenGtkNotebook();
 170                 }
 171
 172
 173
 174         }
 175
 176         public void  afterChildrenGtkNotebook()
 177         {
 178                 // we have a number of children..
 179                 // some are labels - this might need to be more complex...
 180                 // perhaps labels should be a special property labels[] of the notebook..
 181                 var labels = new Gee.ArrayList<NodeToGtk>();
 182                 for (var i = 0; i < this.children.size; i++) {
 183                         var cn = this.children.get(i).node.fqn().replace(".", "");
 184                         if (cn != "GtkLabel") {
 185                                 continue;
 186                         }
 187                         labels.add(this.children.get(i));
 188                 }
 189
 190
 191
 192
 193
 194
 195
 196         }
 197
 198
 199         /**
 200          * called after the this.object  has been created
 201          * and it needs to be packed onto parent.
 202          */
 203         public void packParent()
 204         {
 205                 var cls = this.node.fqn().replace(".", "");
 206
 207                 var gtkbuilder = new global::Gtk.Builder();
 208                 var cls_gtype = gtkbuilder.get_type_from_name(cls);
 209
 210                 if (this.parentObj == null) {
 211                         return;
 212                 }
 213
 214
 215                 var parent = this.parentObj.wrapped_object;
 216
 217                 var do_pack =true;
 218
 219                 if (parent == null) { // no parent.. can not pack.
 220                         return; ///
 221                 }
 222                 // -------------  handle various special parents .. -----------
 223
 224                 var par_type = this.parentObj.node.fqn().replace(".", "");
 225
 226                 if (par_type == "GtkNotebook") {
 227                         // do not pack - it's done afterwards...
 228                         return;
 229                 }
 230
 231                 // -------------  handle various child types.. -----------
 232                 // our overrides
 233                 if (cls == "GtkMenu") {
 234                         this.packMenu();
 235                         return;
 236                 }
 237
 238                 if (cls == "GtkTreeStore") { // other stores?
 239                         // tree store is buildable??? ---
 240                         this.packTreeStore();
 241                         return;
 242                 }
 243                 if (cls =="GtkTreeViewColumn") { // other stores?
 244                         //?? treeview column is actually buildable -- but we do not use the builder???
 245                         this.packTreeViewColumn();
 246                         return;
 247                 }
 248                 if (cls_gtype.is_a(typeof(global::Gtk.CellRenderer))) { // other stores?
 249                         this.packCellRenderer();
 250                         return;
 251                 }
 252
 253
 254
 255                 // -- handle buildable add_child..
 256                 if (    cls_gtype.is_a(typeof(global::Gtk.Buildable))
 257                      &&
 258                         parent.get_type().is_a(typeof(global::Gtk.Buildable))
 259                 )
 260                 {
 261                         ((global::Gtk.Buildable)parent).add_child(gtkbuilder,
 262                                                   this.wrapped_object, null);
 263                         return;
 264                 }
 265                 // other packing?
 266
 267
 268
 269         }
 270
 271         public void packMenu()
 272         {
 273
 274
 275                 var parent = this.parentObj.wrapped_object;
 276                 if (!parent.get_type().is_a(typeof(global::Gtk.Widget))) {
 277                         print("skip menu pack - parent is not a widget");
 278                         return;
 279                 }
 280
 281                 var p = (global::Gtk.Menu)this.wrapped_object;
 282                 ((global::Gtk.Widget)parent).button_press_event.connect((s, ev) => {
 283                         p.set_screen(Gdk.Screen.get_default());
 284                         p.show_all();
 285                         p.popup(null, null, null, ev.button, ev.time);
 286                         return true;
 287                 });
 288         }
 289
 290         public void packTreeStore()
 291         {
 292                 var parent = this.parentObj.wrapped_object;
 293                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeView))) {
 294                         print("skip treestore pack - parent is not a treeview");
 295                         return;
 296                 }
 297                 ((global::Gtk.TreeView)parent).set_model((global::Gtk.TreeModel)this.wrapped_object);
 298
 299         }
 300         public void packTreeViewColumn()
 301         {
 302                 var parent = this.parentObj.wrapped_object;
 303                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeView))) {
 304                         print("skip packGtkViewColumn pack - parent is not a treeview");
 305                         return;
 306                 }
 307                 ((global::Gtk.TreeView)parent).append_column((global::Gtk.TreeViewColumn)this.wrapped_object);
 308                 // init contains the add_attribute for what to render...
 309
 310         }
 311
 312
 313         public void packCellRenderer()
 314         {
 315                 var parent = this.parentObj.wrapped_object;
 316                 if (!parent.get_type().is_a(typeof(global::Gtk.TreeViewColumn))) {
 317                         print("skip packGtkViewColumn pack - parent is not a treeview");
 318                         return;
 319                 }
 320                 ((global::Gtk.TreeViewColumn)parent).pack_start((global::Gtk.CellRenderer)this.wrapped_object, false);
 321                 // init contains the add_attribute for what to render...
 322
 323         }
 324
 325
 326         public void packContainerParams()
 327         {
 328
 329                 if (this.parentObj == null) {
 330                         return;
 331                 }
 332                 // child must be a widget..
 333                 if (!this.wrapped_object.get_type().is_a(typeof(global::Gtk.Widget))) {
 334                         return;
 335                 }
 336
 337                 var parent_gir = Palete.Gir.factoryFqn(this.parentObj.node.fqn());
 338
 339                 var parent = this.parentObj.wrapped_object;
 340
 341                 if (parent_gir == null) {
 342                         return;
 343                 }
 344
 345                 // let's test just setting expand to false...
 346                 var cls_methods = parent_gir.methods;
 347                 if (cls_methods == null) {
 348                         return;
 349                 }
 350
 351                 if (!this.node.props.has_key("* pack")) {
 352                         return;
 353                 }
 354
 355                 var ns = this.parentObj.node.fqn().split(".")[0];
 356
 357                 var pack = this.node.props.get("* pack").split(",");
 358
 359
 360                 if (cls_methods.has_key(pack[0])) {
 361                         var mparams = cls_methods.get(pack[0]).paramset.params;
 362                         for (var i = 1; i < mparams.size; i++ ) {
 363                                 if (i > (pack.length -1)) {
 364                                         continue;
 365                                 }
 366
 367                                 var k = mparams.get(i).name;
 368
 369                                 Value cur_val;
 370
 371                                 var type = mparams.get(i).type;
 372                                 type = Palete.Gir.fqtypeLookup(type, ns);
 373
 374                                 var val = this.toValue(pack[i].strip(), type);
 375                                 if (val == null) {
 376                                         print("skip (failed to transform value %s type = %s from %s\n",
 377                                                 this.parentObj.node.fqn()  + "." + k, type, pack[i].strip());
 378                                         continue;
 379                                 }
 380                                 print ("pack:set_property ( %s , %s / %s)\n", k, pack[i].strip(), val.strdup_contents());
 381
 382                                 ((global::Gtk.Container)parent).child_set_property(
 383                                         (global::Gtk.Widget)this.wrapped_object , k, val);
 384
 385                         }
 386
 387                 }
 388
 389
 390
 391
 392         }
 393
 394
 395         public GLib.Value? toValue(string val, string type) {
 396
 397                 var gtkbuilder = new global::Gtk.Builder();
 398
 399                 if (type == "utf8") {
 400                         var qret = GLib.Value(typeof(string));
 401                         qret.set_string(val);
 402                         return qret;
 403                 }
 404
 405                 var prop_gtype = gtkbuilder.get_type_from_name(type);
 406
 407
 408                 if (prop_gtype == GLib.Type.INVALID) {
 409
 410                         return null;
 411                 }
 412
 413
 414                 var ret = GLib.Value(prop_gtype);
 415
 416
 417                 switch(type) {
 418                         case "gboolean":
 419                                 ret.set_boolean(val.down() == "false" ? false : true);
 420                                 return ret;
 421                         case "guint":
 422                                 ret.set_uint(int.parse(val));
 423                                 return ret;
 424
 425                         case "gint":
 426                                 ret.set_int(int.parse(val));
 427                                 return ret;
 428
 429                         case "gfloat":
 430                                 ret.set_float(long.parse(val));
 431                                 return ret;
 432
 433                         case "utf8":
 434                                 ret.set_string(val);
 435                                 return ret;
 436
 437                         default:
 438
 439                                 var sval =  GLib.Value(typeof(string));
 440                                 sval.set_string(val);
 441
 442                                 if (!sval.transform(ref ret)) {
 443
 444                                         return null;
 445                                 }
 446                                 return ret;
 447                 }
 448         }
 449
 450
 451
 452
 453 }