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