src/gtk1/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("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::GetParent(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::GetNextSibling(const wxTreeItemId& item) const {
 348   GtkTreeItem *p = (GtkTreeItem *)item;
 349   GtkWidget *parent = GTK_WIDGET(p)->parent;
 350
 351   if (!GTK_IS_TREE(parent))
 352     return NULL;
 353
 354   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 355     return NULL;
 356
 357   return GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, p))->data);
 358 }
 359
 360 wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const {
 361   GtkTreeItem *p = (GtkTreeItem *)item;
 362   GtkWidget *parent = GTK_WIDGET(p)->parent;
 363
 364   if (!GTK_IS_TREE(parent))
 365     return NULL;
 366
 367   if (g_list_index(GTK_TREE(parent)->children, p) == -1)
 368     return NULL;
 369
 370   return GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, p))->data);
 371 }
 372
 373 static void gtk_treectrl_first_visible_callback(GtkWidget *widget, gpointer data) {
 374   GtkTreeItem *p = (*((GtkTreeItem **)data));
 375
 376   GtkTree *tree = GTK_TREE(GTK_TREE_ITEM(widget)->subtree);
 377
 378   if (tree->children != NULL) {
 379     guint len = g_list_length(tree->children);
 380     for (guint i=0; i<len; i++) {
 381       if (GTK_WIDGET_VISIBLE(GTK_WIDGET(GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->children, i)->data)))) {
 382         p = GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->children, i)->data);
 383         return;
 384       }
 385     }
 386   }
 387
 388   if (GTK_IS_CONTAINER(widget))
 389     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_first_visible_callback, data);
 390 }
 391
 392 wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const {
 393   GtkTreeItem *p = NULL;
 394
 395   if (m_anchor == NULL)
 396     return NULL;
 397
 398   gtk_treectrl_first_visible_callback(GTK_WIDGET(m_anchor), &p);
 399
 400   return p;
 401 }
 402
 403 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const {
 404   GtkTreeItem *p = (GtkTreeItem *)item;
 405   GtkTree *parent = GTK_TREE(GTK_WIDGET(p)->parent);
 406   GtkTreeItem *q;
 407
 408   if (!GTK_IS_TREE(parent))
 409     return NULL;
 410
 411   if (parent->children == NULL)
 412     return NULL;
 413
 414   q = GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, p))->data);
 415
 416   while (q != p) {
 417     q = GTK_TREE_ITEM(g_list_next(g_list_find(GTK_TREE(parent)->children, q))->data);
 418     if (GTK_WIDGET_VISIBLE(GTK_WIDGET(q)))
 419       return q;
 420   }
 421
 422   return NULL;
 423 }
 424
 425 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const {
 426   GtkTreeItem *p = (GtkTreeItem *)item;
 427   GtkTree *parent = GTK_TREE(GTK_WIDGET(p)->parent);
 428   GtkTreeItem *q;
 429
 430   if (!GTK_IS_TREE(parent))
 431     return NULL;
 432
 433   if (parent->children == NULL)
 434     return NULL;
 435
 436   q = GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, p))->data);
 437
 438   while (q != p) {
 439     q = GTK_TREE_ITEM(g_list_previous(g_list_find(GTK_TREE(parent)->children, q))->data);
 440     if (GTK_WIDGET_VISIBLE(GTK_WIDGET(q)))
 441       return q;
 442   }
 443
 444   return NULL;
 445 }
 446
 447 wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, int image,
 448                      int selectedImage, wxTreeItemData *data) {
 449   return p_InsertItem(0, text, image, selectedImage, data);
 450 }
 451
 452 wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
 453                          const wxString& text, int image, int selectedImage,
 454                          wxTreeItemData *data) {
 455 #warning "Need to implement PrependItem"
 456   return NULL;
 457 }
 458
 459 wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
 460                         const wxTreeItemId& idPrevious, const wxString& text,
 461                         int image, int selectedImage, wxTreeItemData *data) {
 462 #warning "Need to implement InsertItem"
 463   return NULL;
 464 }
 465
 466 wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
 467                         const wxString& text, int image, int selectedImage,
 468                                                                                           wxTreeItemData *data) {
 469   return p_InsertItem(parent, text, image, selectedImage, data);
 470 }
 471
 472 wxTreeItemId wxTreeCtrl::p_InsertItem(GtkTreeItem *p,
 473                         const wxString& text, int image, int selectedImage,
 474                                                                                           wxTreeItemData *data) {
 475   GtkTreeItem *item;
 476
 477 printf("begin insert\n");
 478
 479   item = GTK_TREE_ITEM(gtk_tree_item_new());
 480
 481   GtkHBox *m_box = GTK_HBOX(gtk_hbox_new(FALSE, 0));
 482   gtk_container_add (GTK_CONTAINER (item), GTK_WIDGET(m_box));
 483
 484   gtk_object_set_data(GTK_OBJECT(item), "w_box", m_box);
 485
 486   const wxBitmap *bmp;
 487   const wxImageList *list;
 488   if ((list = GetImageList(wxIMAGE_LIST_NORMAL)) != NULL)
 489     if ((bmp = list->GetBitmap(image)) != NULL)
 490       if (bmp->Ok()) {
 491         GdkBitmap *mask = NULL;
 492         if (bmp->GetMask())
 493           mask = bmp->GetMask()->GetBitmap();
 494         GtkPixmap *m_image_widget = GTK_PIXMAP(gtk_pixmap_new(bmp->GetPixmap(), mask));
 495         gtk_misc_set_alignment (GTK_MISC (m_image_widget), 0.0, 0.5);
 496         gtk_box_pack_start(GTK_BOX(m_box), GTK_WIDGET(m_image_widget), FALSE, FALSE, 0);
 497         gtk_object_set_data(GTK_OBJECT(item), "w_image", (void *)m_image_widget);
 498         gtk_object_set_data(GTK_OBJECT(item), "image", (void *)image);
 499         gtk_widget_show (GTK_WIDGET(m_image_widget));
 500       }
 501   GtkLabel *m_label_widget = GTK_LABEL(gtk_label_new ((char *)(const char *)text));
 502   gtk_misc_set_alignment (GTK_MISC (m_label_widget), 0.5, 0.5);
 503   gtk_box_pack_start(GTK_BOX(m_box), GTK_WIDGET(m_label_widget), FALSE, FALSE, 0);
 504   gtk_object_set_data(GTK_OBJECT(item), "w_label", m_label_widget);
 505   gtk_widget_show (GTK_WIDGET(m_label_widget));
 506
 507   gtk_widget_show(GTK_WIDGET(m_box));
 508
 509   gtk_object_set_data(GTK_OBJECT(item), "owner", this);
 510   gtk_object_set_data(GTK_OBJECT(item), "data", data);
 511   gtk_object_set_data(GTK_OBJECT(item), "parent", p);
 512
 513   if (p != 0) {
 514     if (p->subtree == NULL) {
 515       GtkTree *tree = GTK_TREE(gtk_tree_new());
 516       gtk_tree_item_set_subtree(GTK_TREE_ITEM(p), GTK_WIDGET(tree));
 517       gtk_widget_show(GTK_WIDGET(tree));
 518       p->expanded = 1;
 519     }
 520
 521     gtk_container_add(GTK_CONTAINER(p->subtree), GTK_WIDGET(item));
 522   } else {
 523 printf("Adding root\n");
 524 printf("m_tree = %p\n", m_tree);
 525     m_anchor = item;
 526     gtk_container_add(GTK_CONTAINER(m_tree), GTK_WIDGET(item));
 527   }
 528
 529   gtk_widget_show(GTK_WIDGET(item));
 530
 531   gtk_signal_connect(GTK_OBJECT(item), "select",
 532     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 533
 534   gtk_signal_connect(GTK_OBJECT(item), "deselect",
 535     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 536
 537   gtk_signal_connect(GTK_OBJECT(item), "expand",
 538     GTK_SIGNAL_FUNC(gtk_treeitem_expand_callback), (gpointer)this );
 539   gtk_signal_connect(GTK_OBJECT(item), "collapse",
 540     GTK_SIGNAL_FUNC(gtk_treeitem_collapse_callback), (gpointer)this );
 541
 542   return item;
 543 }
 544
 545 void wxTreeCtrl::Delete(const wxTreeItemId& item) {
 546   if (!item.IsOk())
 547     return;
 548
 549   GtkTreeItem *parent = GTK_TREE_ITEM(GTK_WIDGET((GtkTreeItem *)item)->parent);
 550   if (parent == NULL)
 551     return;
 552
 553   gtk_container_remove(GTK_CONTAINER(parent), GTK_WIDGET((GtkTreeItem *)item));
 554
 555   return;
 556 }
 557
 558 void wxTreeCtrl::DeleteAllItems() {
 559   gtk_tree_item_remove_subtree(m_anchor);
 560 }
 561
 562 void wxTreeCtrl::Expand(const wxTreeItemId& item) {
 563   if (!item.IsOk())
 564     return;
 565
 566   gtk_tree_item_expand(GTK_TREE_ITEM((GtkTreeItem *)item));
 567 }
 568
 569 void wxTreeCtrl::Collapse(const wxTreeItemId& item) {
 570   if (!item.IsOk())
 571     return;
 572
 573   gtk_tree_item_collapse(GTK_TREE_ITEM((GtkTreeItem *)item));
 574 }
 575
 576 void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) {
 577   if (!item.IsOk())
 578     return;
 579
 580   gtk_tree_item_collapse(GTK_TREE_ITEM((GtkTreeItem *)item));
 581   gtk_tree_item_remove_subtree(GTK_TREE_ITEM((GtkTreeItem *)item));
 582 }
 583
 584 void wxTreeCtrl::Toggle(const wxTreeItemId& item) {
 585   if (!item.IsOk())
 586     return;
 587
 588   if (((GtkTreeItem *)item)->expanded)
 589     gtk_tree_item_collapse(GTK_TREE_ITEM((GtkTreeItem *)item));
 590   else
 591     gtk_tree_item_expand(GTK_TREE_ITEM((GtkTreeItem *)item));
 592 }
 593
 594 static void gtk_treectrl_unselect_callback(GtkWidget *widget, gpointer data) {
 595   GtkTreeItem *p;
 596
 597   GtkTree *tree = GTK_TREE(GTK_TREE_ITEM(widget)->subtree);
 598
 599   if (tree->selection != NULL) {
 600     guint len = g_list_length(tree->selection);
 601     for (guint i=0; i<len; i++) {
 602       p = GTK_TREE_ITEM((GtkTreeItem *)g_list_nth(tree->selection, i)->data);
 603       gtk_tree_unselect_child(tree, GTK_WIDGET(p));
 604     }
 605   }
 606
 607   if (GTK_IS_CONTAINER(widget))
 608     gtk_container_foreach(GTK_CONTAINER(widget), gtk_treectrl_unselect_callback, data);
 609 }
 610
 611 void wxTreeCtrl::Unselect() {
 612   if (m_anchor == NULL)
 613     return;
 614
 615   gtk_treectrl_unselect_callback(GTK_WIDGET(m_anchor), NULL);
 616 }
 617
 618 void wxTreeCtrl::SelectItem(const wxTreeItemId& item) {
 619   if (!item.IsOk())
 620     return;
 621
 622   gtk_tree_item_select((GtkTreeItem *)item);
 623 }
 624
 625 void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) {
 626 #warning "Need to implement EnsureVisible"
 627 }
 628
 629 void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) {
 630 #warning "Need to implement ScrollTo"
 631 }
 632
 633 wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 634                           wxClassInfo* textControlClass) {
 635     wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
 636 #warning "Need to implement EditLabel"
 637 /*
 638   char *s;
 639   m_editItem = item;
 640
 641   GtkLabel *m_label = (GtkLabel *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)item), "w_label");
 642   gtk_label_get(m_label, &s);
 643
 644   m_textCtrl = new wxTextCtrl(this, -1, s);
 645 //  m_textCtrl->SetValue(s);
 646
 647   gtk_object_set_data(GTK_OBJECT((GtkTreeItem *)item), "w_edit", m_textCtrl->m_widget);
 648
 649   gtk_container_remove(GTK_CONTAINER((GtkTreeItem *)item), GTK_WIDGET(m_label));
 650   gtk_container_add(GTK_CONTAINER((GtkTreeItem *)item), m_textCtrl->m_widget);
 651
 652 */
 653   return m_textCtrl;
 654 }
 655
 656 wxTextCtrl* wxTreeCtrl::GetEditControl() const {
 657   return m_textCtrl;
 658 }
 659
 660 void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges) {
 661 #warning "Need to implement EndEditLabel"
 662 /*
 663   GtkLabel *m_label = (GtkLabel *)gtk_object_get_data(GTK_OBJECT((GtkTreeItem *)m_editItem), "w_label");
 664   gtk_label_set(m_label, m_textCtrl->GetValue());
 665
 666   gtk_object_remove_data(GTK_OBJECT((GtkTreeItem *)m_editItem), "w_edit");
 667
 668   gtk_container_remove(GTK_CONTAINER((GtkTreeItem *)m_editItem), m_textCtrl->m_widget);
 669   gtk_container_add(GTK_CONTAINER((GtkTreeItem *)m_editItem), GTK_WIDGET(m_label));
 670
 671   delete m_textCtrl;
 672   m_textCtrl = NULL;
 673 */
 674 }
 675
 676 void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action) {
 677   switch (action) {
 678     case wxTREE_EXPAND_EXPAND:
 679       Expand(item);
 680       break;
 681
 682     case wxTREE_EXPAND_COLLAPSE:
 683       Collapse(item);
 684       break;
 685
 686     case wxTREE_EXPAND_COLLAPSE_RESET:
 687       CollapseAndReset(item);
 688       break;
 689
 690     case wxTREE_EXPAND_TOGGLE:
 691       Toggle(item);
 692       break;
 693
 694     default:
 695       wxFAIL_MSG("unknown action in wxTreeCtrl::ExpandItem");
 696   }
 697 }
 698
 699 wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
 700                             const wxString& text, int image, int selImage,
 701                             long insertAfter) {
 702 //  InsertItem(parent, insertAfter, text, image, selImage);
 703   #warning "Need to implement InsertItem"
 704   return NULL;
 705 }
 706
 707 /* Old functions
 708 long wxTreeCtrl::GetChild(long item) const {
 709   GtkTreeItem *p;
 710   GtkTreeItem *next = NULL;
 711
 712   p = findGtkTreeItem(item);
 713   GList *list = gtk_container_children(GTK_CONTAINER(p));
 714   next = GTK_TREE_ITEM(list->data);;
 715
 716   if (next != NULL)
 717     return (long)gtk_object_get_data(GTK_OBJECT(next), "id");
 718
 719   return (-1);
 720 }
 721
 722 long wxTreeCtrl::GetFirstVisibleItem(void) const {
 723   GtkTreeItem *next = NULL;
 724
 725   GList *list = gtk_container_children(GTK_CONTAINER(m_anchor));
 726   next = GTK_TREE_ITEM(list->data);;
 727 //  gtk_container_foreach(GTK_CONTAINER(m_anchor), gtk_treectrl_next_visible_callback, &next);
 728
 729   if (next != NULL)
 730     return (long)gtk_object_get_data(GTK_OBJECT(next), "id");
 731
 732   return (-1);
 733 }
 734
 735 long wxTreeCtrl::GetNextVisibleItem(long item) const {
 736   GtkTreeItem *p;
 737   GtkTreeItem *next = NULL;
 738
 739   p = findGtkTreeItem(item);
 740   GList *list = gtk_container_children(GTK_CONTAINER(p));
 741   next = GTK_TREE_ITEM(list->data);;
 742 //  gtk_container_foreach(GTK_CONTAINER(p), gtk_treectrl_next_visible_callback, &next);
 743
 744   if (next != NULL)
 745     return (long)gtk_object_get_data(GTK_OBJECT(next), "id");
 746
 747   return (-1);
 748 }
 749
 750 bool wxTreeCtrl::GetItem(wxTreeItem& info) const {
 751   GtkTreeItem *p;
 752
 753   p = findGtkTreeItem(info.m_itemId);
 754
 755   if (p == NULL) {
 756     wxLogSysError("TreeCtrl::GetItem failed");
 757     return FALSE;
 758   }
 759
 760   wxConvertFromGtkTreeItem(info, p);
 761
 762   return TRUE;
 763 }
 764
 765 bool wxTreeCtrl::SetItem(wxTreeItem& info) {
 766   GtkTreeItem *p;
 767
 768   p = findGtkTreeItem(info.m_itemId);
 769
 770   if (p == NULL) {
 771     wxLogSysError("TreeCtrl::SetItem failed");
 772     return FALSE;
 773   }
 774
 775   wxConvertToGtkTreeItem(this, info, &p);
 776
 777   return TRUE;
 778 }
 779
 780 int wxTreeCtrl::GetItemState(long item, long stateMask) const {
 781   wxTreeItem info;
 782
 783   info.m_mask = wxTREE_MASK_STATE ;
 784   info.m_stateMask = stateMask;
 785   info.m_itemId = item;
 786
 787   if (!GetItem(info))
 788     return 0;
 789
 790   return info.m_state;
 791 }
 792
 793 bool wxTreeCtrl::SetItemState(long item, long state, long stateMask) {
 794   wxTreeItem info;
 795
 796   info.m_mask = wxTREE_MASK_STATE ;
 797   info.m_state = state;
 798   info.m_stateMask = stateMask;
 799   info.m_itemId = item;
 800
 801   return SetItem(info);
 802 }
 803 */
 804
 805 // Operations
 806 /*
 807 bool wxTreeCtrl::DeleteChildren(long item) {
 808   GtkTreeItem *p;
 809
 810   p = findGtkTreeItem(item);
 811   if (p == NULL)
 812     return FALSE;
 813
 814   gtk_tree_item_remove_subtree(GTK_TREE_ITEM(p));
 815
 816   return TRUE;
 817 }
 818 */
 819
 820 /*
 821 long wxTreeCtrl::InsertItem(long parent, wxTreeItem& info, long insertAfter) {
 822   GtkTreeItem *p;
 823   GtkTreeItem *item = NULL;
 824
 825   info.m_itemId = m_curitemId;
 826   m_curitemId++;
 827
 828   wxConvertToGtkTreeItem(this, info, &item);
 829
 830   if (parent != 0) {
 831     p = findGtkTreeItem(parent);
 832     if (p->subtree == NULL) {
 833       GtkTree *tree = GTK_TREE(gtk_tree_new());
 834       gtk_tree_item_set_subtree(GTK_TREE_ITEM(p), GTK_WIDGET(tree));
 835       gtk_widget_show(GTK_WIDGET(tree));
 836       p->expanded = 1;
 837     }
 838
 839     gtk_container_add(GTK_CONTAINER(p->subtree), GTK_WIDGET(item));
 840   } else {
 841     m_anchor = item;
 842     gtk_container_add(GTK_CONTAINER(m_tree), GTK_WIDGET(item));
 843   }
 844
 845   if ((info.m_mask & wxTREE_MASK_CHILDREN) != 0) {
 846     GtkTree *tree = GTK_TREE(gtk_tree_new());
 847     gtk_tree_item_set_subtree(GTK_TREE_ITEM(item), GTK_WIDGET(tree));
 848     gtk_widget_show(GTK_WIDGET(tree));
 849   }
 850
 851   gtk_widget_show(GTK_WIDGET(item));
 852
 853   gtk_signal_connect(GTK_OBJECT(item), "select",
 854     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 855
 856   gtk_signal_connect(GTK_OBJECT(item), "deselect",
 857     GTK_SIGNAL_FUNC(gtk_treeitem_select_callback), (gpointer)this );
 858
 859   gtk_signal_connect(GTK_OBJECT(item), "expand",
 860     GTK_SIGNAL_FUNC(gtk_treeitem_expand_callback), (gpointer)this );
 861   gtk_signal_connect(GTK_OBJECT(item), "collapse",
 862     GTK_SIGNAL_FUNC(gtk_treeitem_collapse_callback), (gpointer)this );
 863
 864   return info.m_itemId;
 865 }
 866
 867 long wxTreeCtrl::InsertItem(long parent, const wxString& label, int image,
 868   int selImage, long insertAfter) {
 869
 870   wxTreeItem info;
 871   info.m_text = label;
 872   info.m_mask = wxTREE_MASK_TEXT;
 873   if (image > -1) {
 874     info.m_mask |= wxTREE_MASK_IMAGE | wxTREE_MASK_SELECTED_IMAGE;
 875     info.m_image = image;
 876     if (selImage == -1)
 877       info.m_selectedImage = image;
 878     else
 879       info.m_selectedImage = selImage;
 880   }
 881
 882   return InsertItem(parent, info, insertAfter);
 883 }
 884 */
 885
 886 void wxTreeCtrl::SendMessage(wxEventType command, const wxTreeItemId& item) {
 887   wxTreeEvent event(command, GetId());
 888   event.SetEventObject(this);
 889   event.m_item = item;
 890   ProcessEvent(event);
 891 }
 892
 893 void wxTreeCtrl::SendExpanding(const wxTreeItemId& item) {
 894   SendMessage(wxEVT_COMMAND_TREE_ITEM_EXPANDING, item);
 895 }
 896
 897 void wxTreeCtrl::SendExpanded(const wxTreeItemId& item) {
 898   SendMessage(wxEVT_COMMAND_TREE_ITEM_EXPANDED, item);
 899 }
 900
 901 void wxTreeCtrl::SendCollapsing(const wxTreeItemId& item) {
 902   SendMessage(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, item);
 903 }
 904
 905 void wxTreeCtrl::SendCollapsed(const wxTreeItemId& item) {
 906   SendMessage(wxEVT_COMMAND_TREE_ITEM_COLLAPSED, item);
 907 }
 908
 909 void wxTreeCtrl::SendSelChanging(const wxTreeItemId& item) {
 910   SendMessage(wxEVT_COMMAND_TREE_SEL_CHANGED, item);
 911 }
 912
 913 void wxTreeCtrl::SendSelChanged(const wxTreeItemId& item) {
 914   SendMessage(wxEVT_COMMAND_TREE_SEL_CHANGING, item);
 915 }
 916
 917 // Tree event
 918 IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent)
 919
 920 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id):
 921   wxCommandEvent(commandType, id) {
 922   m_code = 0;
 923   m_itemOld = 0;
 924 }