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