src/gtk1/treegtk.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        treectrl.cpp
   3 // Purpose:     wxTreeCtrl
   4 // Author:      Denis Pershin
   5 // Modified by:
   6 // Created:     07/05/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Denis Pershin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "treectrl.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/gtk/treectrl.h"
  28 #include <wx/textctrl.h>
  29 #include "wx/log.h"
  30
  31 #include <gtk/gtk.h>
  32
  33 //static void wxConvertToGtkTreeItem(wxTreeCtrl *owner, wxTreeItem& info, GtkTreeItem **gtkItem);
  34 //static void wxConvertFromGtkTreeItem(wxTreeItem& info, GtkTreeItem *gtkItem);
  35
  36 static void gtk_treectrl_count_callback (GtkWidget *widget, gpointer data);
  37 static void gtk_treectrl_first_selected_callback(GtkWidget *widget, gpointer data);
  38 static void gtk_treectrl_first_visible_callback(GtkWidget *widget, gpointer data);
  39
  40 // static void gtk_treectrl_next_callback (GtkWidget *widget, gpointer data);
  41 // static void gtk_treectrl_next_visible_callback (GtkWidget *widget, gpointer data);
  42 // static void gtk_treectrl_next_selected_callback (GtkWidget *widget, gpointer data);
  43
  44 static void gtk_treeitem_expand_callback(GtkWidget *widget, wxTreeItemId *treeitem);
  45 static void gtk_treeitem_collapse_callback(GtkWidget *widget, wxTreeItemId *treeitem);
  46 static void gtk_treeitem_select_callback(GtkWidget *widget, wxTreeItemId *treeitem);
  47
  48 static void gtk_treeitem_expand_callback(GtkWidget *widget, wxTreeItemId *treeitem) {
  49   wxTreeCtrl *owner = (wxTreeCtrl *)gtk_object_get_data(GTK_OBJECT(widget), "owner");
  50   if (owner == NULL)
  51     return;
  52
  53 //  long id = (long)gtk_object_get_data(GTK_OBJECT(widget), "id");
  54   owner->SendExpanding(GTK_TREE_ITEM(widget));
  55   owner->SendExpanded(GTK_TREE_ITEM(widget));
  56 };
  57
  58 static void gtk_treeitem_collapse_callback(GtkWidget *widget, wxTreeItemId *treeitem) {
  59   wxTreeCtrl *owner = (wxTreeCtrl *)gtk_object_get_data(GTK_OBJECT(widget), "owner");
  60   if (owner == NULL)
  61     return;
  62
  63 //  long id = (long)gtk_object_get_data(GTK_OBJECT(widget), "id");
  64   owner->SendCollapsing(GTK_TREE_ITEM(widget));
  65   owner->SendCollapsed(GTK_TREE_ITEM(widget));
  66 };
  67
  68 static void gtk_treeitem_select_callback(GtkWidget *widget, wxTreeItemId *treeitem) {
  69   wxTreeCtrl *owner = (wxTreeCtrl *)gtk_object_get_data(GTK_OBJECT(widget), "owner");
  70   if (owner == NULL)
  71     return;
  72
  73 //  long id = (long)gtk_object_get_data(GTK_OBJECT(widget), "id");
  74   owner->SendSelChanging(GTK_TREE_ITEM(widget));
  75   owner->SendSelChanged(GTK_TREE_ITEM(widget));
  76 }
  77
  78 #if !USE_SHARED_LIBRARY
  79 IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
  80
  81 #endif
  82
  83 void wxTreeCtrl::Init() {
  84   m_imageListNormal = NULL;
  85   m_imageListState = NULL;
  86   m_textCtrl = NULL;
  87 }
  88
  89 bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos,
  90                         const wxSize& size, long style,
  91                         const wxValidator& validator, const wxString& name) {
  92   Init();
  93
  94   int x = pos.x;
  95   int y = pos.y;
  96   int width = size.x;
  97   int height = size.y;
  98
  99   m_windowStyle = style;
 100
 101   SetParent(parent);
 102
 103   if (width <= 0)
 104     width = 100;
 105   if (height <= 0)
 106     height = 30;
 107   if (x < 0)
 108     x = 0;
 109   if (y < 0)
 110     y = 0;
 111
 112   m_needParent = TRUE;
 113
 114 printf("precreate\n");
 115   PreCreation( parent, id, pos, size, style, name );
 116
 117 printf("1\n");
 118
 119   m_widget = gtk_scrolled_window_new(NULL, NULL);
 120 printf("2\n");
 121   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(m_widget),
 122       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 123
 124 printf("3\n");
 125   m_tree = GTK_TREE(gtk_tree_new());
 126
 127 printf("4\n");
 128   gtk_container_add(GTK_CONTAINER(m_widget), GTK_WIDGET(m_tree));
 129 printf("5\n");
 130   gtk_widget_show(GTK_WIDGET(m_tree));
 131
 132   SetName(name);
 133   SetValidator(validator);
 134
 135 printf("Robert's new insertion code :-)\n");
 136   m_parent->DoAddChild( this );
 137 printf("postcreate\n");
 138   PostCreation();
 139
 140   gtk_widget_realize(GTK_WIDGET(m_tree));
 141
 142   Show(TRUE);
 143
 144   return TRUE;
 145 }
 146
 147 wxTreeCtrl::~wxTreeCtrl(void) {
 148   if (m_textCtrl)
 149     delete m_textCtrl;
 150 }
 151
 152 // Attributes
 153 static void gtk_treectrl_count_callback (GtkWidget *widget, gpointer data) {
 154   int count = (*((int *)data));
 155
 156   count++;
 157   if (GTK_IS_CONTAINER(widget))
 158     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_count_callback, data);
 159 }
 160
 161 size_t wxTreeCtrl::GetCount() const {
 162   int count = 0;
 163
 164   if (m_anchor != NULL)
 165     gtk_treectrl_count_callback(GTK_WIDGET(m_anchor), &count);
 166   return count;
 167 }
 168
 169 unsigned int wxTreeCtrl::GetIndent() const {
 170   return m_tree->indent_value;
 171 }
 172
 173 void wxTreeCtrl::SetIndent(unsigned int indent) {
 174   m_tree->indent_value = indent;
 175 }
 176
 177 wxImageList *wxTreeCtrl::GetImageList() const {
 178   return m_imageListNormal;
 179 }
 180
 181 wxImageList *wxTreeCtrl::GetStateImageList() const {
 182   return m_imageListState;
 183 }
 184
 185 void wxTreeCtrl::SetImageList(wxImageList *imageList) {
 186   m_imageListNormal = imageList;
 187 }
 188
 189 void wxTreeCtrl::SetStateImageList(wxImageList *imageList) {
 190   m_imageListState = imageList;
 191 }
 192
 193 wxString wxTreeCtrl::GetItemText(const wxTreeItemId &item) const {
 194   char *t;
 195
 196   if (!item.IsOk())
 197     return wxString("");
 198
 199   GtkLabel *l = GTK_LABEL(gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "w_label"));
 200   gtk_label_get(l, &t);
 201
 202   return t;
 203 }
 204
 205 int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const {
 206   if (!item.IsOk())
 207     return (-1);
 208
 209   return (int)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "image");
 210 }
 211
 212 int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const {
 213   if (!item.IsOk())
 214     return (-1);
 215
 216   return (int)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "selectedImage");
 217 }
 218
 219 wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const {
 220   if (!item.IsOk())
 221     return NULL;
 222
 223   return (wxTreeItemData *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "data");
 224 }
 225
 226 void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) {
 227   if (!item.IsOk())
 228     return;
 229
 230   GtkLabel *l = GTK_LABEL(gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "w_label"));
 231   gtk_label_set(l, text);
 232 }
 233
 234 void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image) {
 235   if (!item.IsOk())
 236     return;
 237
 238   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "image", (void *)image);
 239 }
 240
 241 void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image) {
 242   if (!item.IsOk())
 243     return;
 244
 245   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "selectedImage", (void *)image);
 246 }
 247
 248 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) {
 249   if (!item.IsOk())
 250     return;
 251
 252   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "data", data);
 253 }
 254
 255 bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const {
 256   return GTK_WIDGET_VISIBLE(GTK_TREE_ITEM((GtkTreeItem *)item));
 257 }
 258
 259 bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const {
 260   GtkTreeItem *p = (GtkTreeItem *)item;
 261
 262   if (p->subtree == NULL)
 263     return wxFalse;
 264
 265   if (GTK_TREE(p->subtree)->children == NULL)
 266     return wxFalse;
 267
 268   if (g_list_length(GTK_TREE(p->subtree)->children) == 0)
 269     return wxFalse;
 270
 271   return wxTrue;
 272 }
 273
 274 bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const {
 275   return (((GtkTreeItem *)item)->expanded != 0);
 276 }
 277
 278 bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const {
 279   GtkTreeItem *p = (GtkTreeItem *)item;
 280   GtkWidget *parent = GTK_WIDGET(p)->parent;
 281
 282   if (!GTK_IS_TREE(parent))
 283     return wxFalse;
 284
 285   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 286     return wxFalse;
 287
 288   return wxTrue;
 289 }
 290
 291 wxTreeItemId wxTreeCtrl::GetRootItem() const {
 292   return m_anchor;
 293 }
 294
 295 static void gtk_treectrl_first_selected_callback(GtkWidget *widget, gpointer data) {
 296   GtkTreeItem *p = (*((GtkTreeItem **)data));
 297
 298   GtkTree *tree = GTK_TREE(GTK_TREE_ITEM(widget)->subtree);
 299
 300   if (tree->selection != NULL) {
 301     p = (GtkTreeItem *)tree->selection->data;
 302     return;
 303   }
 304
 305   if (GTK_IS_CONTAINER(widget))
 306     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_first_selected_callback, data);
 307 }
 308
 309 wxTreeItemId wxTreeCtrl::GetSelection() const {
 310   GtkTreeItem *p = NULL;
 311
 312   if (m_anchor == NULL)
 313     return NULL;
 314
 315   gtk_treectrl_first_selected_callback(GTK_WIDGET(m_anchor), &p);
 316
 317   return p;
 318 }
 319
 320 wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const {
 321   if (item.IsOk())
 322     return (GtkTreeItem *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "parent");
 323
 324   return NULL;
 325 }
 326
 327 wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const {
 328   GtkTreeItem *p = (GtkTreeItem *)item;
 329   GtkWidget *parent = GTK_WIDGET(p)->parent;
 330
 331   if (!GTK_IS_TREE(parent))
 332     return NULL;
 333
 334   cookie = 0;
 335   return GTK_TREE_ITEM(g_list_first(GTK_TREE(parent)->children)->data);
 336 }
 337
 338 wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const {
 339   GtkTreeItem *p = (GtkTreeItem *)item;
 340   GtkWidget *parent = GTK_WIDGET(p)->parent;
 341
 342   if (!GTK_IS_TREE(parent))
 343     return NULL;
 344
 345   cookie++;
 346   return GTK_TREE_ITEM(g_list_nth(GTK_TREE(parent)->children, cookie)->data);
 347 }
 348
 349 wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
 350 {
 351   GtkTreeItem *p = (GtkTreeItem *)item;
 352   GtkWidget *parent = GTK_WIDGET(p)->parent;
 353
 354   wxCHECK_MSG( GTK_IS_TREE(parent), NULL, "invalid tree item" );
 355
 356   return GTK_TREE_ITEM(g_list_last(GTK_TREE(parent)->children)->data);
 357 }
 358
 359 wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const {
 360   GtkTreeItem *p = (GtkTreeItem *)item;
 361   GtkWidget *parent = GTK_WIDGET(p)->parent;
 362
 363   if (!GTK_IS_TREE(parent))
 364     return NULL;
 365
 366   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 367     return NULL;
 368
 369   return GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, p))->data);
 370 }
 371
 372 wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const {
 373   GtkTreeItem *p = (GtkTreeItem *)item;
 374   GtkWidget *parent = GTK_WIDGET(p)->parent;
 375
 376   if (!GTK_IS_TREE(parent))
 377     return NULL;
 378
 379   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 380     return NULL;
 381
 382   return GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, p))->data);
 383 }
 384
 385 static void gtk_treectrl_first_visible_callback(GtkWidget *widget, gpointer data) {
 386   GtkTreeItem *p = (*((GtkTreeItem **)data));
 387
 388   GtkTree *tree = GTK_TREE(GTK_TREE_ITEM(widget)->subtree);
 389
 390   if (tree->children != NULL) {
 391     guint len = g_list_length(tree->children);
 392     for (guint i=0; i<len; i++) {
 393       if (GTK_WIDGET_VISIBLE(GTK_WIDGET(GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->children, i)->data)))) {
 394         p = GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->children, i)->data);
 395         return;
 396       }
 397     }
 398   }
 399
 400   if (GTK_IS_CONTAINER(widget))
 401     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_first_visible_callback, data);
 402 }
 403
 404 wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const {
 405   GtkTreeItem *p = NULL;
 406
 407   if (m_anchor == NULL)
 408     return NULL;
 409
 410   gtk_treectrl_first_visible_callback(GTK_WIDGET(m_anchor), &p);
 411
 412   return p;
 413 }
 414
 415 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const {
 416   GtkTreeItem *p = (GtkTreeItem *)item;
 417   GtkTree *parent = GTK_TREE(GTK_WIDGET(p)->parent);
 418   GtkTreeItem *q;
 419
 420   if (!GTK_IS_TREE(parent))
 421     return NULL;
 422
 423   if (parent->children == NULL)
 424     return NULL;
 425
 426   q = GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, p))->data);
 427
 428   while (q != p) {
 429     q = GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, q))->data);
 430     if (GTK_WIDGET_VISIBLE(GTK_WIDGET(q)))
 431       return q;
 432   }
 433
 434   return NULL;
 435 }
 436
 437 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const {
 438   GtkTreeItem *p = (GtkTreeItem *)item;
 439   GtkTree *parent = GTK_TREE(GTK_WIDGET(p)->parent);
 440   GtkTreeItem *q;
 441
 442   if (!GTK_IS_TREE(parent))
 443     return NULL;
 444
 445   if (parent->children == NULL)
 446     return NULL;
 447
 448   q = GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, p))->data);
 449
 450   while (q != p) {
 451     q = GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, q))->data);
 452     if (GTK_WIDGET_VISIBLE(GTK_WIDGET(q)))
 453       return q;
 454   }
 455
 456   return NULL;
 457 }
 458
 459 wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, int image,
 460                      int selectedImage, wxTreeItemData *data) {
 461   return p_InsertItem(0, text, image, selectedImage, data);
 462 }
 463
 464 wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
 465                          const wxString& text, int image, int selectedImage,
 466                          wxTreeItemData *data) {
 467 #warning "Need to implement PrependItem"
 468   return NULL;
 469 }
 470
 471 wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
 472                         const wxTreeItemId& idPrevious, const wxString& text,
 473                         int image, int selectedImage, wxTreeItemData *data) {
 474 #warning "Need to implement InsertItem"
 475   return NULL;
 476 }
 477
 478 wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
 479                         const wxString& text, int image, int selectedImage,
 480                         wxTreeItemData *data) {
 481   return p_InsertItem(parent, text, image, selectedImage, data);
 482 }
 483
 484 wxTreeItemId wxTreeCtrl::p_InsertItem(GtkTreeItem *p,
 485                         const wxString& text, int image, int selectedImage,
 486                         wxTreeItemData *data) {
 487   GtkTreeItem *item;
 488
 489 printf("begin insert\n");
 490
 491   item = GTK_TREE_ITEM(gtk_tree_item_new());
 492
 493   GtkHBox *m_box = GTK_HBOX(gtk_hbox_new(FALSE, 0));
 494   gtk_container_add (GTK_CONTAINER (item), GTK_WIDGET(m_box));
 495
 496   gtk_object_set_data(GTK_OBJECT(item), "w_box", m_box);
 497
 498   const wxBitmap *bmp;
 499   const wxImageList *list;
 500   if ((list = GetImageList(wxIMAGE_LIST_NORMAL)) != NULL)
 501     if ((bmp = list->GetBitmap(image)) != NULL)
 502       if (bmp->Ok()) {
 503         GdkBitmap *mask = NULL;
 504         if (bmp->GetMask())
 505           mask = bmp->GetMask()->GetBitmap();
 506         GtkPixmap *m_image_widget = GTK_PIXMAP(gtk_pixmap_new(bmp->GetPixmap(), mask));
 507         gtk_misc_set_alignment (GTK_MISC (m_image_widget), 0.0, 0.5);
 508         gtk_box_pack_start(GTK_BOX(m_box), GTK_WIDGET(m_image_widget), FALSE, FALSE, 0);
 509         gtk_object_set_data(GTK_OBJECT(item), "w_image", (void *)m_image_widget);
 510         gtk_object_set_data(GTK_OBJECT(item), "image", (void *)image);
 511         gtk_widget_show (GTK_WIDGET(m_image_widget));
 512       }
 513   GtkLabel *m_label_widget = GTK_LABEL(gtk_label_new ((char *)(const char *)text));
 514   gtk_misc_set_alignment (GTK_MISC (m_label_widget), 0.5, 0.5);
 515   gtk_box_pack_start(GTK_BOX(m_box), GTK_WIDGET(m_label_widget), FALSE, FALSE, 0);
 516   gtk_object_set_data(GTK_OBJECT(item), "w_label", m_label_widget);
 517   gtk_widget_show (GTK_WIDGET(m_label_widget));
 518
 519   gtk_widget_show(GTK_WIDGET(m_box));
 520
 521   gtk_object_set_data(GTK_OBJECT(item), "owner", this);
 522   gtk_object_set_data(GTK_OBJECT(item), "data", data);
 523   gtk_object_set_data(GTK_OBJECT(item), "parent", p);
 524
 525   if (p != 0) {
 526     if (p->subtree == NULL) {
 527       GtkTree *tree = GTK_TREE(gtk_tree_new());
 528       gtk_tree_item_set_subtree(GTK_TREE_ITEM(p), GTK_WIDGET(tree));
 529       gtk_widget_show(GTK_WIDGET(tree));
 530       p->expanded = 1;
 531     }
 532
 533     gtk_container_add(GTK_CONTAINER(p->subtree), GTK_WIDGET(item));
 534   } else {
 535 printf("Adding root\n");
 536 printf("m_tree = %p\n", m_tree);
 537     m_anchor = item;
 538     gtk_container_add(GTK_CONTAINER(m_tree), GTK_WIDGET(item));
 539   }
 540
 541   gtk_widget_show(GTK_WIDGET(item));
 542
 543   gtk_signal_connect(GTK_OBJECT(item), "select",
 544     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 545
 546   gtk_signal_connect(GTK_OBJECT(item), "deselect",
 547     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 548
 549   gtk_signal_connect(GTK_OBJECT(item), "expand",
 550     GTK_SIGNAL_FUNC(gtk_treeitem_expand_callback), (gpointer)this );
 551   gtk_signal_connect(GTK_OBJECT(item), "collapse",
 552     GTK_SIGNAL_FUNC(gtk_treeitem_collapse_callback), (gpointer)this );
 553
 554   return item;
 555 }
 556
 557 void wxTreeCtrl::Delete(const wxTreeItemId& item) {
 558   if (!item.IsOk())
 559     return;
 560
 561   GtkTreeItem *parent = GTK_TREE_ITEM(GTK_WIDGET((GtkTreeItem *)item)->parent);
 562   if (parent == NULL)
 563     return;
 564
 565   gtk_container_remove(GTK_CONTAINER(parent), GTK_WIDGET((GtkTreeItem *)item));
 566
 567   return;
 568 }
 569
 570 void wxTreeCtrl::DeleteAllItems() {
 571   gtk_tree_item_remove_subtree(m_anchor);
 572 }
 573
 574 void wxTreeCtrl::Expand(const wxTreeItemId& item) {
 575   if (!item.IsOk())
 576     return;
 577
 578   gtk_tree_item_expand(GTK_TREE_ITEM((GtkTreeItem *)item));
 579 }
 580
 581 void wxTreeCtrl::Collapse(const wxTreeItemId& item) {
 582   if (!item.IsOk())
 583     return;
 584
 585   gtk_tree_item_collapse(GTK_TREE_ITEM((GtkTreeItem *)item));
 586 }
 587
 588 void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) {
 589   if (!item.IsOk())
 590     return;
 591
 592   gtk_tree_item_collapse(GTK_TREE_ITEM((GtkTreeItem *)item));
 593   gtk_tree_item_remove_subtree(GTK_TREE_ITEM((GtkTreeItem *)item));
 594 }
 595
 596 void wxTreeCtrl::Toggle(const wxTreeItemId& item) {
 597   if (!item.IsOk())
 598     return;
 599
 600   if (((GtkTreeItem *)item)->expanded)
 601     gtk_tree_item_collapse(GTK_TREE_ITEM((GtkTreeItem *)item));
 602   else
 603     gtk_tree_item_expand(GTK_TREE_ITEM((GtkTreeItem *)item));
 604 }
 605
 606 static void gtk_treectrl_unselect_callback(GtkWidget *widget, gpointer data) {
 607   GtkTreeItem *p;
 608
 609   GtkTree *tree = GTK_TREE(GTK_TREE_ITEM(widget)->subtree);
 610
 611   if (tree->selection != NULL) {
 612     guint len = g_list_length(tree->selection);
 613     for (guint i=0; i<len; i++) {
 614       p = GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->selection, i)->data);
 615       gtk_tree_unselect_child(tree, GTK_WIDGET(p));
 616     }
 617   }
 618
 619   if (GTK_IS_CONTAINER(widget))
 620     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_unselect_callback, data);
 621 }
 622
 623 void wxTreeCtrl::Unselect() {
 624   if (m_anchor == NULL)
 625     return;
 626
 627   gtk_treectrl_unselect_callback(GTK_WIDGET(m_anchor), NULL);
 628 }
 629
 630 void wxTreeCtrl::SelectItem(const wxTreeItemId& item) {
 631   if (!item.IsOk())
 632     return;
 633
 634   gtk_tree_item_select((GtkTreeItem *)item);
 635 }
 636
 637 void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) {
 638 #warning "Need to implement EnsureVisible"
 639 }
 640
 641 void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) {
 642 #warning "Need to implement ScrollTo"
 643 }
 644
 645 wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 646                           wxClassInfo* textControlClass) {
 647     wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
 648 #warning "Need to implement EditLabel"
 649 /*
 650   char *s;
 651   m_editItem = item;
 652
 653   GtkLabel *m_label = (GtkLabel *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "w_label");
 654   gtk_label_get(m_label, &s);
 655
 656   m_textCtrl = new wxTextCtrl(this, -1, s);
 657 //  m_textCtrl->SetValue(s);
 658
 659   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "w_edit", m_textCtrl->m_widget);
 660
 661   gtk_container_remove(GTK_CONTAINER((GtkTreeItem *)item), GTK_WIDGET(m_label));
 662   gtk_container_add(GTK_CONTAINER((GtkTreeItem *)item), m_textCtrl->m_widget);
 663
 664 */
 665   return m_textCtrl;
 666 }
 667
 668 wxTextCtrl* wxTreeCtrl::GetEditControl() const {
 669   return m_textCtrl;
 670 }
 671
 672 void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges) {
 673 #warning "Need to implement EndEditLabel"
 674 /*
 675   GtkLabel *m_label = (GtkLabel *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)m_editItem), "w_label");
 676   gtk_label_set(m_label, m_textCtrl->GetValue());
 677
 678   gtk_object_remove_data(GTK_OBJECT((GtkTreeItem *)m_editItem), "w_edit");
 679
 680   gtk_container_remove(GTK_CONTAINER((GtkTreeItem *)m_editItem), m_textCtrl->m_widget);
 681   gtk_container_add(GTK_CONTAINER((GtkTreeItem *)m_editItem), GTK_WIDGET(m_label));
 682
 683   delete m_textCtrl;
 684   m_textCtrl = NULL;
 685 */
 686 }
 687
 688 void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action) {
 689   switch (action) {
 690     case wxTREE_EXPAND_EXPAND:
 691       Expand(item);
 692       break;
 693
 694     case wxTREE_EXPAND_COLLAPSE:
 695       Collapse(item);
 696       break;
 697
 698     case wxTREE_EXPAND_COLLAPSE_RESET:
 699       CollapseAndReset(item);
 700       break;
 701
 702     case wxTREE_EXPAND_TOGGLE:
 703       Toggle(item);
 704       break;
 705
 706     default:
 707       wxFAIL_MSG("unknown action in wxTreeCtrl::ExpandItem");
 708   }
 709 }
 710
 711 wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
 712                             const wxString& text, int image, int selImage,
 713                             long insertAfter) {
 714 //  InsertItem(parent, insertAfter, text, image, selImage);
 715   #warning "Need to implement InsertItem"
 716   return NULL;
 717 }
 718
 719 /* Old functions
 720 long wxTreeCtrl::GetChild(long item) const {
 721   GtkTreeItem *p;
 722   GtkTreeItem *next = NULL;
 723
 724   p = findGtkTreeItem(item);
 725   GList *list = gtk_container_children(GTK_CONTAINER(p));
 726   next = GTK_TREE_ITEM(list->data);;
 727
 728   if (next != NULL)
 729     return (long)gtk_object_get_data(GTK_OBJECT(next), "id");
 730
 731   return (-1);
 732 }
 733
 734 long wxTreeCtrl::GetFirstVisibleItem(void) const {
 735   GtkTreeItem *next = NULL;
 736
 737   GList *list = gtk_container_children(GTK_CONTAINER(m_anchor));
 738   next = GTK_TREE_ITEM(list->data);;
 739 //  gtk_container_foreach(GTK_CONTAINER(m_anchor), gtk_treectrl_next_visible_callback, &next);
 740
 741   if (next != NULL)
 742     return (long)gtk_object_get_data(GTK_OBJECT(next), "id");
 743
 744   return (-1);
 745 }
 746
 747 long wxTreeCtrl::GetNextVisibleItem(long item) const {
 748   GtkTreeItem *p;
 749   GtkTreeItem *next = NULL;
 750
 751   p = findGtkTreeItem(item);
 752   GList *list = gtk_container_children(GTK_CONTAINER(p));
 753   next = GTK_TREE_ITEM(list->data);;
 754 //  gtk_container_foreach(GTK_CONTAINER(p), gtk_treectrl_next_visible_callback, &next);
 755
 756   if (next != NULL)
 757     return (long)gtk_object_get_data(GTK_OBJECT(next), "id");
 758
 759   return (-1);
 760 }
 761
 762 bool wxTreeCtrl::GetItem(wxTreeItem& info) const {
 763   GtkTreeItem *p;
 764
 765   p = findGtkTreeItem(info.m_itemId);
 766
 767   if (p == NULL) {
 768     wxLogSysError("TreeCtrl::GetItem failed");
 769     return FALSE;
 770   }
 771
 772   wxConvertFromGtkTreeItem(info, p);
 773
 774   return TRUE;
 775 }
 776
 777 bool wxTreeCtrl::SetItem(wxTreeItem& info) {
 778   GtkTreeItem *p;
 779
 780   p = findGtkTreeItem(info.m_itemId);
 781
 782   if (p == NULL) {
 783     wxLogSysError("TreeCtrl::SetItem failed");
 784     return FALSE;
 785   }
 786
 787   wxConvertToGtkTreeItem(this, info, &p);
 788
 789   return TRUE;
 790 }
 791
 792 int wxTreeCtrl::GetItemState(long item, long stateMask) const {
 793   wxTreeItem info;
 794
 795   info.m_mask = wxTREE_MASK_STATE ;
 796   info.m_stateMask = stateMask;
 797   info.m_itemId = item;
 798
 799   if (!GetItem(info))
 800     return 0;
 801
 802   return info.m_state;
 803 }
 804
 805 bool wxTreeCtrl::SetItemState(long item, long state, long stateMask) {
 806   wxTreeItem info;
 807
 808   info.m_mask = wxTREE_MASK_STATE ;
 809   info.m_state = state;
 810   info.m_stateMask = stateMask;
 811   info.m_itemId = item;
 812
 813   return SetItem(info);
 814 }
 815 */
 816
 817 // Operations
 818 /*
 819 bool wxTreeCtrl::DeleteChildren(long item) {
 820   GtkTreeItem *p;
 821
 822   p = findGtkTreeItem(item);
 823   if (p == NULL)
 824     return FALSE;
 825
 826   gtk_tree_item_remove_subtree(GTK_TREE_ITEM(p));
 827
 828   return TRUE;
 829 }
 830 */
 831
 832 /*
 833 long wxTreeCtrl::InsertItem(long parent, wxTreeItem& info, long insertAfter) {
 834   GtkTreeItem *p;
 835   GtkTreeItem *item = NULL;
 836
 837   info.m_itemId = m_curitemId;
 838   m_curitemId++;
 839
 840   wxConvertToGtkTreeItem(this, info, &item);
 841
 842   if (parent != 0) {
 843     p = findGtkTreeItem(parent);
 844     if (p->subtree == NULL) {
 845       GtkTree *tree = GTK_TREE(gtk_tree_new());
 846       gtk_tree_item_set_subtree(GTK_TREE_ITEM(p), GTK_WIDGET(tree));
 847       gtk_widget_show(GTK_WIDGET(tree));
 848       p->expanded = 1;
 849     }
 850
 851     gtk_container_add(GTK_CONTAINER(p->subtree), GTK_WIDGET(item));
 852   } else {
 853     m_anchor = item;
 854     gtk_container_add(GTK_CONTAINER(m_tree), GTK_WIDGET(item));
 855   }
 856
 857   if ((info.m_mask & wxTREE_MASK_CHILDREN) != 0) {
 858     GtkTree *tree = GTK_TREE(gtk_tree_new());
 859     gtk_tree_item_set_subtree(GTK_TREE_ITEM(item), GTK_WIDGET(tree));
 860     gtk_widget_show(GTK_WIDGET(tree));
 861   }
 862
 863   gtk_widget_show(GTK_WIDGET(item));
 864
 865   gtk_signal_connect(GTK_OBJECT(item), "select",
 866     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 867
 868   gtk_signal_connect(GTK_OBJECT(item), "deselect",
 869     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 870
 871   gtk_signal_connect(GTK_OBJECT(item), "expand",
 872     GTK_SIGNAL_FUNC(gtk_treeitem_expand_callback), (gpointer)this );
 873   gtk_signal_connect(GTK_OBJECT(item), "collapse",
 874     GTK_SIGNAL_FUNC(gtk_treeitem_collapse_callback), (gpointer)this );
 875
 876   return info.m_itemId;
 877 }
 878
 879 long wxTreeCtrl::InsertItem(long parent, const wxString& label, int image,
 880   int selImage, long insertAfter) {
 881
 882   wxTreeItem info;
 883   info.m_text = label;
 884   info.m_mask = wxTREE_MASK_TEXT;
 885   if (image > -1) {
 886     info.m_mask |= wxTREE_MASK_IMAGE | wxTREE_MASK_SELECTED_IMAGE;
 887     info.m_image = image;
 888     if (selImage == -1)
 889       info.m_selectedImage = image;
 890     else
 891       info.m_selectedImage = selImage;
 892   }
 893
 894   return InsertItem(parent, info, insertAfter);
 895 }
 896 */
 897
 898 void wxTreeCtrl::SendMessage(wxEventType command, const wxTreeItemId& item) {
 899   wxTreeEvent event(command, GetId());
 900   event.SetEventObject(this);
 901   event.m_item = item;
 902   ProcessEvent(event);
 903 }
 904
 905 void wxTreeCtrl::SendExpanding(const wxTreeItemId& item) {
 906   SendMessage(wxEVT_COMMAND_TREE_ITEM_EXPANDING, item);
 907 }
 908
 909 void wxTreeCtrl::SendExpanded(const wxTreeItemId& item) {
 910   SendMessage(wxEVT_COMMAND_TREE_ITEM_EXPANDED, item);
 911 }
 912
 913 void wxTreeCtrl::SendCollapsing(const wxTreeItemId& item) {
 914   SendMessage(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, item);
 915 }
 916
 917 void wxTreeCtrl::SendCollapsed(const wxTreeItemId& item) {
 918   SendMessage(wxEVT_COMMAND_TREE_ITEM_COLLAPSED, item);
 919 }
 920
 921 void wxTreeCtrl::SendSelChanging(const wxTreeItemId& item) {
 922   SendMessage(wxEVT_COMMAND_TREE_SEL_CHANGED, item);
 923 }
 924
 925 void wxTreeCtrl::SendSelChanged(const wxTreeItemId& item) {
 926   SendMessage(wxEVT_COMMAND_TREE_SEL_CHANGING, item);
 927 }
 928
 929 // Tree event
 930 IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent)
 931
 932 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id):
 933   wxCommandEvent(commandType, id) {
 934   m_code = 0;
 935   m_itemOld = 0;
 936 }