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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #endif
  22
  23 #include "wx/gtk/treectrl.h"
  24 #include "wx/textctrl.h"
  25 #include "wx/log.h"
  26
  27 #include <gtk/gtk.h>
  28
  29 //static void wxConvertToGtkTreeItem(wxTreeCtrl *owner, wxTreeItem& info, GtkTreeItem **gtkItem);
  30 //static void wxConvertFromGtkTreeItem(wxTreeItem& info, GtkTreeItem *gtkItem);
  31
  32 static void gtk_treectrl_count_callback (GtkWidget *widget, gpointer data);
  33 static void gtk_treectrl_first_selected_callback(GtkWidget *widget, gpointer data);
  34 static void gtk_treectrl_first_visible_callback(GtkWidget *widget, gpointer data);
  35
  36 // static void gtk_treectrl_next_callback (GtkWidget *widget, gpointer data);
  37 // static void gtk_treectrl_next_visible_callback (GtkWidget *widget, gpointer data);
  38 // static void gtk_treectrl_next_selected_callback (GtkWidget *widget, gpointer data);
  39
  40 static void gtk_treeitem_expand_callback(GtkWidget *widget, wxTreeItemId *treeitem);
  41 static void gtk_treeitem_collapse_callback(GtkWidget *widget, wxTreeItemId *treeitem);
  42 static void gtk_treeitem_select_callback(GtkWidget *widget, wxTreeItemId *treeitem);
  43
  44 static void gtk_treeitem_expand_callback(GtkWidget *widget, wxTreeItemId *treeitem) {
  45   wxTreeCtrl *owner = (wxTreeCtrl *)gtk_object_get_data(GTK_OBJECT(widget), "owner");
  46   if (owner == NULL)
  47     return;
  48
  49 //  long id = (long)gtk_object_get_data(GTK_OBJECT(widget), "id");
  50   owner->SendExpanding(GTK_TREE_ITEM(widget));
  51   owner->SendExpanded(GTK_TREE_ITEM(widget));
  52 };
  53
  54 static void gtk_treeitem_collapse_callback(GtkWidget *widget, wxTreeItemId *treeitem) {
  55   wxTreeCtrl *owner = (wxTreeCtrl *)gtk_object_get_data(GTK_OBJECT(widget), "owner");
  56   if (owner == NULL)
  57     return;
  58
  59 //  long id = (long)gtk_object_get_data(GTK_OBJECT(widget), "id");
  60   owner->SendCollapsing(GTK_TREE_ITEM(widget));
  61   owner->SendCollapsed(GTK_TREE_ITEM(widget));
  62 };
  63
  64 static void gtk_treeitem_select_callback(GtkWidget *widget, wxTreeItemId *treeitem) {
  65   wxTreeCtrl *owner = (wxTreeCtrl *)gtk_object_get_data(GTK_OBJECT(widget), "owner");
  66   if (owner == NULL)
  67     return;
  68
  69 //  long id = (long)gtk_object_get_data(GTK_OBJECT(widget), "id");
  70   owner->SendSelChanging(GTK_TREE_ITEM(widget));
  71   owner->SendSelChanged(GTK_TREE_ITEM(widget));
  72 }
  73
  74 IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
  75
  76
  77 void wxTreeCtrl::Init() {
  78   m_imageListNormal = NULL;
  79   m_imageListState = NULL;
  80   m_textCtrl = NULL;
  81 }
  82
  83 bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos,
  84                         const wxSize& size, long style,
  85                         const wxValidator& validator, const wxString& name) {
  86   Init();
  87
  88   int x = pos.x;
  89   int y = pos.y;
  90   int width = size.x;
  91   int height = size.y;
  92
  93   m_windowStyle = style;
  94
  95   SetParent(parent);
  96
  97   if (width <= 0)
  98     width = 100;
  99   if (height <= 0)
 100     height = 30;
 101   if (x < 0)
 102     x = 0;
 103   if (y < 0)
 104     y = 0;
 105
 106   m_needParent = TRUE;
 107
 108 printf("precreate\n");
 109   PreCreation( parent, id, pos, size, style, name );
 110
 111 printf("1\n");
 112
 113   m_widget = gtk_scrolled_window_new(NULL, NULL);
 114 printf("2\n");
 115   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(m_widget),
 116       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 117
 118 printf("3\n");
 119   m_tree = GTK_TREE(gtk_tree_new());
 120
 121 printf("4\n");
 122   gtk_container_add(GTK_CONTAINER(m_widget), GTK_WIDGET(m_tree));
 123 printf("5\n");
 124   gtk_widget_show(GTK_WIDGET(m_tree));
 125
 126   SetName(name);
 127   SetValidator(validator);
 128
 129 printf("Robert's new insertion code :-)\n");
 130   m_parent->DoAddChild( this );
 131 printf("postcreate\n");
 132   PostCreation();
 133
 134   gtk_widget_realize(GTK_WIDGET(m_tree));
 135
 136   Show(TRUE);
 137
 138   return TRUE;
 139 }
 140
 141 wxTreeCtrl::~wxTreeCtrl(void) {
 142   if (m_textCtrl)
 143     delete m_textCtrl;
 144 }
 145
 146 // Attributes
 147 static void gtk_treectrl_count_callback (GtkWidget *widget, gpointer data) {
 148   int count = (*((int *)data));
 149
 150   count++;
 151   if (GTK_IS_CONTAINER(widget))
 152     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_count_callback, data);
 153 }
 154
 155 size_t wxTreeCtrl::GetCount() const {
 156   int count = 0;
 157
 158   if (m_anchor != NULL)
 159     gtk_treectrl_count_callback(GTK_WIDGET(m_anchor), &count);
 160   return count;
 161 }
 162
 163 unsigned int wxTreeCtrl::GetIndent() const {
 164   return m_tree->indent_value;
 165 }
 166
 167 void wxTreeCtrl::SetIndent(unsigned int indent) {
 168   m_tree->indent_value = indent;
 169 }
 170
 171 wxImageList *wxTreeCtrl::GetImageList() const {
 172   return m_imageListNormal;
 173 }
 174
 175 wxImageList *wxTreeCtrl::GetStateImageList() const {
 176   return m_imageListState;
 177 }
 178
 179 void wxTreeCtrl::SetImageList(wxImageList *imageList) {
 180   m_imageListNormal = imageList;
 181 }
 182
 183 void wxTreeCtrl::SetStateImageList(wxImageList *imageList) {
 184   m_imageListState = imageList;
 185 }
 186
 187 wxString wxTreeCtrl::GetItemText(const wxTreeItemId &item) const {
 188   char *t;
 189
 190   if (!item.IsOk())
 191     return wxString("");
 192
 193   GtkLabel *l = GTK_LABEL(gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "w_label"));
 194   gtk_label_get(l, &t);
 195
 196   return t;
 197 }
 198
 199 int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const {
 200   if (!item.IsOk())
 201     return (-1);
 202
 203   return (int)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "image");
 204 }
 205
 206 int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const {
 207   if (!item.IsOk())
 208     return (-1);
 209
 210   return (int)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "selectedImage");
 211 }
 212
 213 wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const {
 214   if (!item.IsOk())
 215     return NULL;
 216
 217   return (wxTreeItemData *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "data");
 218 }
 219
 220 void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) {
 221   if (!item.IsOk())
 222     return;
 223
 224   GtkLabel *l = GTK_LABEL(gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "w_label"));
 225   gtk_label_set_text(l, text);
 226 }
 227
 228 void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image) {
 229   if (!item.IsOk())
 230     return;
 231
 232   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "image", (void *)image);
 233 }
 234
 235 void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image) {
 236   if (!item.IsOk())
 237     return;
 238
 239   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "selectedImage", (void *)image);
 240 }
 241
 242 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) {
 243   if (!item.IsOk())
 244     return;
 245
 246   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "data", data);
 247 }
 248
 249 bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const {
 250   return GTK_WIDGET_VISIBLE(GTK_TREE_ITEM((GtkTreeItem *)item));
 251 }
 252
 253 bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const {
 254   GtkTreeItem *p = (GtkTreeItem *)item;
 255
 256   if (p->subtree == NULL)
 257     return wxFalse;
 258
 259   if (GTK_TREE(p->subtree)->children == NULL)
 260     return wxFalse;
 261
 262   if (g_list_length(GTK_TREE(p->subtree)->children) == 0)
 263     return wxFalse;
 264
 265   return wxTrue;
 266 }
 267
 268 bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const {
 269   return (((GtkTreeItem *)item)->expanded != 0);
 270 }
 271
 272 bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const {
 273   GtkTreeItem *p = (GtkTreeItem *)item;
 274   GtkWidget *parent = GTK_WIDGET(p)->parent;
 275
 276   if (!GTK_IS_TREE(parent))
 277     return wxFalse;
 278
 279   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 280     return wxFalse;
 281
 282   return wxTrue;
 283 }
 284
 285 wxTreeItemId wxTreeCtrl::GetRootItem() const {
 286   return m_anchor;
 287 }
 288
 289 static void gtk_treectrl_first_selected_callback(GtkWidget *widget, gpointer data) {
 290   GtkTreeItem *p = (*((GtkTreeItem **)data));
 291
 292   GtkTree *tree = GTK_TREE(GTK_TREE_ITEM(widget)->subtree);
 293
 294   if (tree->selection != NULL) {
 295     p = (GtkTreeItem *)tree->selection->data;
 296     return;
 297   }
 298
 299   if (GTK_IS_CONTAINER(widget))
 300     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_first_selected_callback, data);
 301 }
 302
 303 wxTreeItemId wxTreeCtrl::GetSelection() const {
 304   GtkTreeItem *p = NULL;
 305
 306   if (m_anchor == NULL)
 307     return NULL;
 308
 309   gtk_treectrl_first_selected_callback(GTK_WIDGET(m_anchor), &p);
 310
 311   return p;
 312 }
 313
 314 wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const {
 315   if (item.IsOk())
 316     return (GtkTreeItem *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "parent");
 317
 318   return NULL;
 319 }
 320
 321 wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const {
 322   GtkTreeItem *p = (GtkTreeItem *)item;
 323   GtkWidget *parent = GTK_WIDGET(p)->parent;
 324
 325   if (!GTK_IS_TREE(parent))
 326     return NULL;
 327
 328   cookie = 0;
 329   return GTK_TREE_ITEM(g_list_first(GTK_TREE(parent)->children)->data);
 330 }
 331
 332 wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const {
 333   GtkTreeItem *p = (GtkTreeItem *)item;
 334   GtkWidget *parent = GTK_WIDGET(p)->parent;
 335
 336   if (!GTK_IS_TREE(parent))
 337     return NULL;
 338
 339   cookie++;
 340   return GTK_TREE_ITEM(g_list_nth(GTK_TREE(parent)->children, cookie)->data);
 341 }
 342
 343 wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
 344 {
 345   GtkTreeItem *p = (GtkTreeItem *)item;
 346   GtkWidget *parent = GTK_WIDGET(p)->parent;
 347
 348   wxCHECK_MSG( GTK_IS_TREE(parent), NULL, "invalid tree item" );
 349
 350   return GTK_TREE_ITEM(g_list_last(GTK_TREE(parent)->children)->data);
 351 }
 352
 353 wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const {
 354   GtkTreeItem *p = (GtkTreeItem *)item;
 355   GtkWidget *parent = GTK_WIDGET(p)->parent;
 356
 357   if (!GTK_IS_TREE(parent))
 358     return NULL;
 359
 360   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 361     return NULL;
 362
 363   return GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, p))->data);
 364 }
 365
 366 wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const {
 367   GtkTreeItem *p = (GtkTreeItem *)item;
 368   GtkWidget *parent = GTK_WIDGET(p)->parent;
 369
 370   if (!GTK_IS_TREE(parent))
 371     return NULL;
 372
 373   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 374     return NULL;
 375
 376   return GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, p))->data);
 377 }
 378
 379 static void gtk_treectrl_first_visible_callback(GtkWidget *widget, gpointer data) {
 380   GtkTreeItem *p = (*((GtkTreeItem **)data));
 381
 382   GtkTree *tree = GTK_TREE(GTK_TREE_ITEM(widget)->subtree);
 383
 384   if (tree->children != NULL) {
 385     guint len = g_list_length(tree->children);
 386     for (guint i=0; i<len; i++) {
 387       if (GTK_WIDGET_VISIBLE(GTK_WIDGET(GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->children, i)->data)))) {
 388         p = GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->children, i)->data);
 389         return;
 390       }
 391     }
 392   }
 393
 394   if (GTK_IS_CONTAINER(widget))
 395     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_first_visible_callback, data);
 396 }
 397
 398 wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const {
 399   GtkTreeItem *p = NULL;
 400
 401   if (m_anchor == NULL)
 402     return NULL;
 403
 404   gtk_treectrl_first_visible_callback(GTK_WIDGET(m_anchor), &p);
 405
 406   return p;
 407 }
 408
 409 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const {
 410   GtkTreeItem *p = (GtkTreeItem *)item;
 411   GtkTree *parent = GTK_TREE(GTK_WIDGET(p)->parent);
 412   GtkTreeItem *q;
 413
 414   if (!GTK_IS_TREE(parent))
 415     return NULL;
 416
 417   if (parent->children == NULL)
 418     return NULL;
 419
 420   q = GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, p))->data);
 421
 422   while (q != p) {
 423     q = GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, q))->data);
 424     if (GTK_WIDGET_VISIBLE(GTK_WIDGET(q)))
 425       return q;
 426   }
 427
 428   return NULL;
 429 }
 430
 431 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const {
 432   GtkTreeItem *p = (GtkTreeItem *)item;
 433   GtkTree *parent = GTK_TREE(GTK_WIDGET(p)->parent);
 434   GtkTreeItem *q;
 435
 436   if (!GTK_IS_TREE(parent))
 437     return NULL;
 438
 439   if (parent->children == NULL)
 440     return NULL;
 441
 442   q = GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, p))->data);
 443
 444   while (q != p) {
 445     q = GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, q))->data);
 446     if (GTK_WIDGET_VISIBLE(GTK_WIDGET(q)))
 447       return q;
 448   }
 449
 450   return NULL;
 451 }
 452
 453 wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, int image,
 454                      int selectedImage, wxTreeItemData *data) {
 455   return p_InsertItem(0, text, image, selectedImage, data);
 456 }
 457
 458 wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
 459                          const wxString& text, int image, int selectedImage,
 460                          wxTreeItemData *data) {
 461 #warning "Need to implement PrependItem"
 462   return NULL;
 463 }
 464
 465 wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
 466                         const wxTreeItemId& idPrevious, const wxString& text,
 467                         int image, int selectedImage, wxTreeItemData *data) {
 468 #warning "Need to implement InsertItem"
 469   return NULL;
 470 }
 471
 472 wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
 473                         const wxString& text, int image, int selectedImage,
 474                         wxTreeItemData *data) {
 475   return p_InsertItem(parent, text, image, selectedImage, data);
 476 }
 477
 478 wxTreeItemId wxTreeCtrl::p_InsertItem(GtkTreeItem *p,
 479                         const wxString& text, int image, int selectedImage,
 480                         wxTreeItemData *data) {
 481   GtkTreeItem *item;
 482
 483 printf("begin insert\n");
 484
 485   item = GTK_TREE_ITEM(gtk_tree_item_new());
 486
 487   GtkHBox *m_box = GTK_HBOX(gtk_hbox_new(FALSE, 0));
 488   gtk_container_add (GTK_CONTAINER (item), GTK_WIDGET(m_box));
 489
 490   gtk_object_set_data(GTK_OBJECT(item), "w_box", m_box);
 491
 492   const wxBitmap *bmp;
 493   const wxImageList *list;
 494   if ((list = GetImageList(wxIMAGE_LIST_NORMAL)) != NULL)
 495     if ((bmp = list->GetBitmapPtr(image)) != NULL)
 496       if (bmp->Ok()) {
 497         GdkBitmap *mask = NULL;
 498         if (bmp->GetMask())
 499           mask = bmp->GetMask()->GetBitmap();
 500         GtkPixmap *m_image_widget = GTK_PIXMAP(gtk_pixmap_new(bmp->GetPixmap(), mask));
 501         gtk_misc_set_alignment (GTK_MISC (m_image_widget), 0.0, 0.5);
 502         gtk_box_pack_start(GTK_BOX(m_box), GTK_WIDGET(m_image_widget), FALSE, FALSE, 0);
 503         gtk_object_set_data(GTK_OBJECT(item), "w_image", (void *)m_image_widget);
 504         gtk_object_set_data(GTK_OBJECT(item), "image", (void *)image);
 505         gtk_widget_show (GTK_WIDGET(m_image_widget));
 506       }
 507   GtkLabel *m_label_widget = GTK_LABEL(gtk_label_new ((char *)(const char *)text));
 508   gtk_misc_set_alignment (GTK_MISC (m_label_widget), 0.5, 0.5);
 509   gtk_box_pack_start(GTK_BOX(m_box), GTK_WIDGET(m_label_widget), FALSE, FALSE, 0);
 510   gtk_object_set_data(GTK_OBJECT(item), "w_label", m_label_widget);
 511   gtk_widget_show (GTK_WIDGET(m_label_widget));
 512
 513   gtk_widget_show(GTK_WIDGET(m_box));
 514
 515   gtk_object_set_data(GTK_OBJECT(item), "owner", this);
 516   gtk_object_set_data(GTK_OBJECT(item), "data", data);
 517   gtk_object_set_data(GTK_OBJECT(item), "parent", p);
 518
 519   if (p != 0) {
 520     if (p->subtree == NULL) {
 521       GtkTree *tree = GTK_TREE(gtk_tree_new());
 522       gtk_tree_item_set_subtree(GTK_TREE_ITEM(p), GTK_WIDGET(tree));
 523       gtk_widget_show(GTK_WIDGET(tree));
 524       p->expanded = 1;
 525     }
 526
 527     gtk_container_add(GTK_CONTAINER(p->subtree), GTK_WIDGET(item));
 528   } else {
 529 printf("Adding root\n");
 530 printf("m_tree = %p\n", m_tree);
 531     m_anchor = item;
 532     gtk_container_add(GTK_CONTAINER(m_tree), GTK_WIDGET(item));
 533   }
 534
 535   gtk_widget_show(GTK_WIDGET(item));
 536
 537   g_signal_connect (item, "select",
 538                     G_CALLBACK (gtk_treeitem_select_callback), this);
 539   g_signal_connect (item, "deselect",
 540                     G_CALLBACK (gtk_treeitem_select_callback), this);
 541   g_signal_connect (item, "expand",
 542                     G_CALLBACK (gtk_treeitem_expand_callback), this);
 543   g_signal_connect (item, "collapse",
 544                     G_CALLBACK (gtk_treeitem_collapse_callback), 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_text(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   g_signal_connect (item, "select",
 858                     G_CALLBACK (gtk_treeitem_select_callback), this);
 859   g_signal_connect (item, "deselect",
 860                     G_CALLBACK (gtk_treeitem_select_callback), this);
 861   g_signal_connect (item, "expand",
 862                     G_CALLBACK (gtk_treeitem_expand_callback), this);
 863   g_signal_connect (item, "collapse",
 864                     G_CALLBACK (gtk_treeitem_collapse_callback), this);
 865
 866   return info.m_itemId;
 867 }
 868
 869 long wxTreeCtrl::InsertItem(long parent, const wxString& label, int image,
 870   int selImage, long insertAfter) {
 871
 872   wxTreeItem info;
 873   info.m_text = label;
 874   info.m_mask = wxTREE_MASK_TEXT;
 875   if (image > -1) {
 876     info.m_mask |= wxTREE_MASK_IMAGE | wxTREE_MASK_SELECTED_IMAGE;
 877     info.m_image = image;
 878     if (selImage == -1)
 879       info.m_selectedImage = image;
 880     else
 881       info.m_selectedImage = selImage;
 882   }
 883
 884   return InsertItem(parent, info, insertAfter);
 885 }
 886 */
 887
 888 void wxTreeCtrl::SendMessage(wxEventType command, const wxTreeItemId& item) {
 889   wxTreeEvent event(command, GetId());
 890   event.SetEventObject(this);
 891   event.m_item = item;
 892   ProcessEvent(event);
 893 }
 894
 895 void wxTreeCtrl::SendExpanding(const wxTreeItemId& item) {
 896   SendMessage(wxEVT_COMMAND_TREE_ITEM_EXPANDING, item);
 897 }
 898
 899 void wxTreeCtrl::SendExpanded(const wxTreeItemId& item) {
 900   SendMessage(wxEVT_COMMAND_TREE_ITEM_EXPANDED, item);
 901 }
 902
 903 void wxTreeCtrl::SendCollapsing(const wxTreeItemId& item) {
 904   SendMessage(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, item);
 905 }
 906
 907 void wxTreeCtrl::SendCollapsed(const wxTreeItemId& item) {
 908   SendMessage(wxEVT_COMMAND_TREE_ITEM_COLLAPSED, item);
 909 }
 910
 911 void wxTreeCtrl::SendSelChanging(const wxTreeItemId& item) {
 912   SendMessage(wxEVT_COMMAND_TREE_SEL_CHANGED, item);
 913 }
 914
 915 void wxTreeCtrl::SendSelChanged(const wxTreeItemId& item) {
 916   SendMessage(wxEVT_COMMAND_TREE_SEL_CHANGING, item);
 917 }
 918
 919 // Tree event
 920 IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent)
 921
 922 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id):
 923   wxCommandEvent(commandType, id) {
 924   m_code = 0;
 925   m_itemOld = 0;
 926 }