src/gtk/toolbar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/toolbar.cpp
   3 // Purpose:     GTK toolbar
   4 // Author:      Robert Roebling
   5 // Modified:    13.12.99 by VZ to derive from wxToolBarBase
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TOOLBAR_NATIVE
  15
  16 #include "wx/toolbar.h"
  17
  18 #include <gtk/gtk.h>
  19 #include "wx/gtk/private.h"
  20 #include "wx/gtk/private/gtk2-compat.h"
  21
  22 // ----------------------------------------------------------------------------
  23 // globals
  24 // ----------------------------------------------------------------------------
  25
  26 // data
  27 extern bool       g_blockEventsOnDrag;
  28 extern wxCursor   g_globalCursor;
  29
  30 // ----------------------------------------------------------------------------
  31 // wxToolBarTool
  32 // ----------------------------------------------------------------------------
  33
  34 class wxToolBarTool : public wxToolBarToolBase
  35 {
  36 public:
  37     wxToolBarTool(wxToolBar *tbar,
  38                   int id,
  39                   const wxString& label,
  40                   const wxBitmap& bitmap1,
  41                   const wxBitmap& bitmap2,
  42                   wxItemKind kind,
  43                   wxObject *clientData,
  44                   const wxString& shortHelpString,
  45                   const wxString& longHelpString)
  46         : wxToolBarToolBase(tbar, id, label, bitmap1, bitmap2, kind,
  47                             clientData, shortHelpString, longHelpString)
  48     {
  49         m_item = NULL;
  50     }
  51
  52     wxToolBarTool(wxToolBar *tbar, wxControl *control, const wxString& label)
  53         : wxToolBarToolBase(tbar, control, label)
  54     {
  55         m_item = NULL;
  56     }
  57
  58     void SetImage();
  59     void CreateDropDown();
  60     void ShowDropdown(GtkToggleButton* button);
  61
  62     GtkToolItem* m_item;
  63 };
  64
  65 // ----------------------------------------------------------------------------
  66 // wxWin macros
  67 // ----------------------------------------------------------------------------
  68
  69 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
  70
  71 // ============================================================================
  72 // implementation
  73 // ============================================================================
  74
  75 //-----------------------------------------------------------------------------
  76 // "clicked" from m_item
  77 //-----------------------------------------------------------------------------
  78
  79 extern "C" {
  80 static void item_clicked(GtkToolButton*, wxToolBarTool* tool)
  81 {
  82     if (g_blockEventsOnDrag) return;
  83
  84     tool->GetToolBar()->OnLeftClick(tool->GetId(), false);
  85 }
  86 }
  87
  88 //-----------------------------------------------------------------------------
  89 // "toggled" from m_item
  90 //-----------------------------------------------------------------------------
  91
  92 extern "C" {
  93 static void item_toggled(GtkToggleToolButton* button, wxToolBarTool* tool)
  94 {
  95     if (g_blockEventsOnDrag) return;
  96
  97     const bool active = gtk_toggle_tool_button_get_active(button) != 0;
  98     tool->Toggle(active);
  99     if (!active && tool->GetKind() == wxITEM_RADIO)
 100         return;
 101
 102     if (!tool->GetToolBar()->OnLeftClick(tool->GetId(), active))
 103     {
 104         // revert back
 105         tool->Toggle();
 106     }
 107 }
 108 }
 109
 110 //-----------------------------------------------------------------------------
 111 // "button_press_event" from m_item child
 112 //-----------------------------------------------------------------------------
 113
 114 extern "C" {
 115 static gboolean
 116 button_press_event(GtkWidget*, GdkEventButton* event, wxToolBarTool* tool)
 117 {
 118     if (event->button != 3)
 119         return FALSE;
 120
 121     if (g_blockEventsOnDrag) return TRUE;
 122
 123     tool->GetToolBar()->OnRightClick(
 124         tool->GetId(), int(event->x), int(event->y));
 125
 126     return TRUE;
 127 }
 128 }
 129
 130 //-----------------------------------------------------------------------------
 131 // "child_detached" from m_widget
 132 //-----------------------------------------------------------------------------
 133
 134 extern "C" {
 135 static void child_detached(GtkWidget*, GtkToolbar* toolbar, void*)
 136 {
 137     // disable showing overflow arrow when toolbar is detached,
 138     // otherwise toolbar collapses to just an arrow
 139     gtk_toolbar_set_show_arrow(toolbar, false);
 140 }
 141 }
 142
 143 //-----------------------------------------------------------------------------
 144 // "child_attached" from m_widget
 145 //-----------------------------------------------------------------------------
 146
 147 extern "C" {
 148 static void child_attached(GtkWidget*, GtkToolbar* toolbar, void*)
 149 {
 150     gtk_toolbar_set_show_arrow(toolbar, true);
 151 }
 152 }
 153
 154 //-----------------------------------------------------------------------------
 155 // "enter_notify_event" / "leave_notify_event" from m_item
 156 //-----------------------------------------------------------------------------
 157
 158 extern "C" {
 159 static gboolean
 160 enter_notify_event(GtkWidget*, GdkEventCrossing* event, wxToolBarTool* tool)
 161 {
 162     if (g_blockEventsOnDrag) return TRUE;
 163
 164     int id = -1;
 165     if (event->type == GDK_ENTER_NOTIFY)
 166         id = tool->GetId();
 167     tool->GetToolBar()->OnMouseEnter(id);
 168
 169     return FALSE;
 170 }
 171 }
 172
 173 //-----------------------------------------------------------------------------
 174 // "expose_event" from GtkImage inside m_item
 175 //-----------------------------------------------------------------------------
 176
 177 extern "C" {
 178 static gboolean
 179 #ifdef __WXGTK3__
 180 image_draw(GtkWidget* widget, cairo_t* cr, wxToolBarTool* tool)
 181 #else
 182 image_expose_event(GtkWidget* widget, GdkEventExpose*, wxToolBarTool* tool)
 183 #endif
 184 {
 185     const wxBitmap& bitmap = tool->GetDisabledBitmap();
 186     if (tool->IsEnabled() || !bitmap.IsOk())
 187         return false;
 188
 189     // draw disabled bitmap ourselves, GtkImage has no way to specify it
 190     GtkAllocation alloc;
 191     gtk_widget_get_allocation(widget, &alloc);
 192     GtkRequisition req;
 193     gtk_widget_get_requisition(widget, &req);
 194     const int x = alloc.x + (alloc.width - req.width) / 2;
 195     const int y = alloc.y + (alloc.height - req.height) / 2;
 196 #ifdef __WXGTK3__
 197     bitmap.Draw(cr, x, y);
 198 #else
 199     gdk_draw_pixbuf(
 200         gtk_widget_get_window(widget), gtk_widget_get_style(widget)->black_gc, bitmap.GetPixbuf(),
 201         0, 0, x, y,
 202         -1, -1, GDK_RGB_DITHER_NORMAL, 0, 0);
 203 #endif
 204     return true;
 205 }
 206 }
 207
 208 //-----------------------------------------------------------------------------
 209 // "toggled" from dropdown menu button
 210 //-----------------------------------------------------------------------------
 211
 212 extern "C" {
 213 static void arrow_toggled(GtkToggleButton* button, wxToolBarTool* tool)
 214 {
 215     if (gtk_toggle_button_get_active(button))
 216     {
 217         tool->ShowDropdown(button);
 218         gtk_toggle_button_set_active(button, false);
 219     }
 220 }
 221 }
 222
 223 //-----------------------------------------------------------------------------
 224 // "button_press_event" from dropdown menu button
 225 //-----------------------------------------------------------------------------
 226
 227 extern "C" {
 228 static gboolean
 229 arrow_button_press_event(GtkToggleButton* button, GdkEventButton* event, wxToolBarTool* tool)
 230 {
 231     if (event->button == 1)
 232     {
 233         g_signal_handlers_block_by_func(button, (void*)arrow_toggled, tool);
 234         gtk_toggle_button_set_active(button, true);
 235         tool->ShowDropdown(button);
 236         gtk_toggle_button_set_active(button, false);
 237         g_signal_handlers_unblock_by_func(button, (void*)arrow_toggled, tool);
 238         return true;
 239     }
 240     return false;
 241 }
 242 }
 243
 244 void wxToolBar::AddChildGTK(wxWindowGTK* child)
 245 {
 246     GtkWidget* align = gtk_alignment_new(0.5, 0.5, 0, 0);
 247     gtk_widget_show(align);
 248     gtk_container_add(GTK_CONTAINER(align), child->m_widget);
 249     GtkToolItem* item = gtk_tool_item_new();
 250     gtk_container_add(GTK_CONTAINER(item), align);
 251     // position will be corrected in DoInsertTool if necessary
 252     gtk_toolbar_insert(GTK_TOOLBAR(gtk_bin_get_child(GTK_BIN(m_widget))), item, -1);
 253 }
 254
 255 // ----------------------------------------------------------------------------
 256 // wxToolBarTool
 257 // ----------------------------------------------------------------------------
 258
 259 void wxToolBarTool::SetImage()
 260 {
 261     const wxBitmap& bitmap = GetNormalBitmap();
 262     wxCHECK_RET(bitmap.IsOk(), "invalid bitmap for wxToolBar icon");
 263
 264     GtkWidget* image = gtk_tool_button_get_icon_widget(GTK_TOOL_BUTTON(m_item));
 265     // always use pixbuf, because pixmap mask does not
 266     // work with disabled images in some themes
 267     gtk_image_set_from_pixbuf(GTK_IMAGE(image), bitmap.GetPixbuf());
 268 }
 269
 270 // helper to create a dropdown menu item
 271 void wxToolBarTool::CreateDropDown()
 272 {
 273     gtk_tool_item_set_homogeneous(m_item, false);
 274     GtkOrientation orient = GTK_ORIENTATION_HORIZONTAL;
 275     GtkArrowType arrowType = GTK_ARROW_DOWN;
 276     if (GetToolBar()->HasFlag(wxTB_LEFT | wxTB_RIGHT))
 277     {
 278         orient = GTK_ORIENTATION_VERTICAL;
 279         arrowType = GTK_ARROW_RIGHT;
 280     }
 281     GtkWidget* box = gtk_box_new(orient, 0);
 282     GtkWidget* arrow = gtk_arrow_new(arrowType, GTK_SHADOW_NONE);
 283     GtkWidget* tool_button = gtk_bin_get_child(GTK_BIN(m_item));
 284     gtk_widget_reparent(tool_button, box);
 285     GtkWidget* arrow_button = gtk_toggle_button_new();
 286     gtk_button_set_relief(GTK_BUTTON(arrow_button),
 287         gtk_tool_item_get_relief_style(GTK_TOOL_ITEM(m_item)));
 288     gtk_container_add(GTK_CONTAINER(arrow_button), arrow);
 289     gtk_container_add(GTK_CONTAINER(box), arrow_button);
 290     gtk_widget_show_all(box);
 291     gtk_container_add(GTK_CONTAINER(m_item), box);
 292
 293     g_signal_connect(arrow_button, "toggled", G_CALLBACK(arrow_toggled), this);
 294     g_signal_connect(arrow_button, "button_press_event",
 295         G_CALLBACK(arrow_button_press_event), this);
 296 }
 297
 298 void wxToolBarTool::ShowDropdown(GtkToggleButton* button)
 299 {
 300     wxToolBarBase* toolbar = GetToolBar();
 301     wxCommandEvent event(wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED, GetId());
 302     if (!toolbar->HandleWindowEvent(event))
 303     {
 304         wxMenu* menu = GetDropdownMenu();
 305         if (menu)
 306         {
 307             GtkAllocation alloc;
 308             gtk_widget_get_allocation(GTK_WIDGET(button), &alloc);
 309             int x = alloc.x;
 310             int y = alloc.y;
 311             if (toolbar->HasFlag(wxTB_LEFT | wxTB_RIGHT))
 312                 x += alloc.width;
 313             else
 314                 y += alloc.height;
 315             toolbar->PopupMenu(menu, x, y);
 316         }
 317     }
 318 }
 319
 320 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 321                                          const wxString& text,
 322                                          const wxBitmap& bitmap1,
 323                                          const wxBitmap& bitmap2,
 324                                          wxItemKind kind,
 325                                          wxObject *clientData,
 326                                          const wxString& shortHelpString,
 327                                          const wxString& longHelpString)
 328 {
 329     return new wxToolBarTool(this, id, text, bitmap1, bitmap2, kind,
 330                              clientData, shortHelpString, longHelpString);
 331 }
 332
 333 wxToolBarToolBase *
 334 wxToolBar::CreateTool(wxControl *control, const wxString& label)
 335 {
 336     return new wxToolBarTool(this, control, label);
 337 }
 338
 339 //-----------------------------------------------------------------------------
 340 // wxToolBar construction
 341 //-----------------------------------------------------------------------------
 342
 343 void wxToolBar::Init()
 344 {
 345     m_toolbar = NULL;
 346     m_tooltips = NULL;
 347 }
 348
 349 wxToolBar::~wxToolBar()
 350 {
 351 #ifndef __WXGTK3__
 352     if (m_tooltips) // always NULL if GTK >= 2.12
 353     {
 354         gtk_object_destroy(GTK_OBJECT(m_tooltips));
 355         g_object_unref(m_tooltips);
 356     }
 357 #endif
 358 }
 359
 360 bool wxToolBar::Create( wxWindow *parent,
 361                         wxWindowID id,
 362                         const wxPoint& pos,
 363                         const wxSize& size,
 364                         long style,
 365                         const wxString& name )
 366 {
 367     if ( !PreCreation( parent, pos, size ) ||
 368          !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 369     {
 370         wxFAIL_MSG( wxT("wxToolBar creation failed") );
 371
 372         return false;
 373     }
 374
 375     FixupStyle();
 376
 377     m_toolbar = GTK_TOOLBAR( gtk_toolbar_new() );
 378 #ifndef __WXGTK3__
 379     if (gtk_check_version(2, 12, 0))
 380     {
 381         m_tooltips = gtk_tooltips_new();
 382         g_object_ref(m_tooltips);
 383         gtk_object_sink(GTK_OBJECT(m_tooltips));
 384     }
 385 #endif
 386     GtkSetStyle();
 387
 388     if (style & wxTB_DOCKABLE)
 389     {
 390         m_widget = gtk_handle_box_new();
 391
 392         g_signal_connect(m_widget, "child_detached",
 393             G_CALLBACK(child_detached), NULL);
 394         g_signal_connect(m_widget, "child_attached",
 395             G_CALLBACK(child_attached), NULL);
 396
 397         if (style & wxTB_FLAT)
 398             gtk_handle_box_set_shadow_type( GTK_HANDLE_BOX(m_widget), GTK_SHADOW_NONE );
 399     }
 400     else
 401     {
 402         m_widget = gtk_event_box_new();
 403         ConnectWidget( m_widget );
 404     }
 405     g_object_ref(m_widget);
 406     gtk_container_add(GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar));
 407     gtk_widget_show(GTK_WIDGET(m_toolbar));
 408
 409     m_parent->DoAddChild( this );
 410
 411     PostCreation(size);
 412
 413     return true;
 414 }
 415
 416 GdkWindow *wxToolBar::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 417 {
 418     return gtk_widget_get_window(GTK_WIDGET(m_toolbar));
 419 }
 420
 421 void wxToolBar::GtkSetStyle()
 422 {
 423     GtkOrientation orient = GTK_ORIENTATION_HORIZONTAL;
 424     if (HasFlag(wxTB_LEFT | wxTB_RIGHT))
 425         orient = GTK_ORIENTATION_VERTICAL;
 426
 427     GtkToolbarStyle style = GTK_TOOLBAR_ICONS;
 428     if (HasFlag(wxTB_NOICONS))
 429         style = GTK_TOOLBAR_TEXT;
 430     else if (HasFlag(wxTB_TEXT))
 431     {
 432         style = GTK_TOOLBAR_BOTH;
 433         if (HasFlag(wxTB_HORZ_LAYOUT))
 434             style = GTK_TOOLBAR_BOTH_HORIZ;
 435     }
 436
 437 #ifdef __WXGTK3__
 438     gtk_orientable_set_orientation(GTK_ORIENTABLE(m_toolbar), orient);
 439 #else
 440     gtk_toolbar_set_orientation(m_toolbar, orient);
 441 #endif
 442     gtk_toolbar_set_style(m_toolbar, style);
 443 }
 444
 445 void wxToolBar::SetWindowStyleFlag( long style )
 446 {
 447     wxToolBarBase::SetWindowStyleFlag(style);
 448
 449     if ( m_toolbar )
 450         GtkSetStyle();
 451 }
 452
 453 bool wxToolBar::Realize()
 454 {
 455     if ( !wxToolBarBase::Realize() )
 456         return false;
 457
 458     // bring the initial state of all the toolbar items in line with the
 459     // internal state if the latter was changed by calling wxToolBarTool::
 460     // Enable(): this works under MSW, where the toolbar items are only created
 461     // in Realize() which uses the internal state to determine the initial
 462     // button state, so make it work under GTK too
 463     for ( wxToolBarToolsList::const_iterator i = m_tools.begin();
 464           i != m_tools.end();
 465           ++i )
 466     {
 467         // by default the toolbar items are enabled and not toggled, so we only
 468         // have to do something if their internal state doesn't correspond to
 469         // this
 470         if ( !(*i)->IsEnabled() )
 471             DoEnableTool(*i, false);
 472         if ( (*i)->IsToggled() )
 473             DoToggleTool(*i, true);
 474     }
 475
 476     return true;
 477 }
 478
 479 bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
 480 {
 481     wxToolBarTool* tool = static_cast<wxToolBarTool*>(toolBase);
 482
 483     GSList* radioGroup;
 484     GtkWidget* bin_child;
 485     switch ( tool->GetStyle() )
 486     {
 487         case wxTOOL_STYLE_BUTTON:
 488             switch (tool->GetKind())
 489             {
 490                 case wxITEM_CHECK:
 491                     tool->m_item = gtk_toggle_tool_button_new();
 492                     g_signal_connect(tool->m_item, "toggled",
 493                         G_CALLBACK(item_toggled), tool);
 494                     break;
 495                 case wxITEM_RADIO:
 496                     radioGroup = GetRadioGroup(pos);
 497                     if (!radioGroup)
 498                     {
 499                         // this is the first button in the radio button group,
 500                         // it will be toggled automatically by GTK so bring the
 501                         // internal flag in sync
 502                         tool->Toggle(true);
 503                     }
 504                     tool->m_item = gtk_radio_tool_button_new(radioGroup);
 505                     g_signal_connect(tool->m_item, "toggled",
 506                         G_CALLBACK(item_toggled), tool);
 507                     break;
 508                 default:
 509                     wxFAIL_MSG("unknown toolbar child type");
 510                     // fall through
 511                 case wxITEM_DROPDOWN:
 512                 case wxITEM_NORMAL:
 513                     tool->m_item = gtk_tool_button_new(NULL, "");
 514                     g_signal_connect(tool->m_item, "clicked",
 515                         G_CALLBACK(item_clicked), tool);
 516                     break;
 517             }
 518             if (!HasFlag(wxTB_NOICONS))
 519             {
 520                 GtkWidget* image = gtk_image_new();
 521                 gtk_tool_button_set_icon_widget(
 522                     GTK_TOOL_BUTTON(tool->m_item), image);
 523                 tool->SetImage();
 524                 gtk_widget_show(image);
 525 #ifdef __WXGTK3__
 526                 g_signal_connect(image, "draw",
 527                     G_CALLBACK(image_draw), tool);
 528 #else
 529                 g_signal_connect(image, "expose_event",
 530                     G_CALLBACK(image_expose_event), tool);
 531 #endif
 532             }
 533             if (!tool->GetLabel().empty())
 534             {
 535                 gtk_tool_button_set_label(
 536                     GTK_TOOL_BUTTON(tool->m_item), wxGTK_CONV(tool->GetLabel()));
 537                 // needed for labels in horizontal toolbar with wxTB_HORZ_LAYOUT
 538                 gtk_tool_item_set_is_important(tool->m_item, true);
 539             }
 540             if (!HasFlag(wxTB_NO_TOOLTIPS) && !tool->GetShortHelp().empty())
 541             {
 542 #if GTK_CHECK_VERSION(2, 12, 0)
 543                 if (GTK_CHECK_VERSION(3,0,0) || gtk_check_version(2,12,0) == NULL)
 544                 {
 545                     gtk_tool_item_set_tooltip_text(tool->m_item,
 546                         wxGTK_CONV(tool->GetShortHelp()));
 547                 }
 548                 else
 549 #endif
 550                 {
 551 #ifndef __WXGTK3__
 552                     gtk_tool_item_set_tooltip(tool->m_item,
 553                         m_tooltips, wxGTK_CONV(tool->GetShortHelp()), "");
 554 #endif
 555                 }
 556             }
 557             bin_child = gtk_bin_get_child(GTK_BIN(tool->m_item));
 558             g_signal_connect(bin_child, "button_press_event",
 559                 G_CALLBACK(button_press_event), tool);
 560             g_signal_connect(bin_child, "enter_notify_event",
 561                 G_CALLBACK(enter_notify_event), tool);
 562             g_signal_connect(bin_child, "leave_notify_event",
 563                 G_CALLBACK(enter_notify_event), tool);
 564
 565             if (tool->GetKind() == wxITEM_DROPDOWN)
 566                 tool->CreateDropDown();
 567             gtk_toolbar_insert(m_toolbar, tool->m_item, int(pos));
 568             break;
 569
 570         case wxTOOL_STYLE_SEPARATOR:
 571             tool->m_item = gtk_separator_tool_item_new();
 572             if ( tool->IsStretchable() )
 573             {
 574                 gtk_separator_tool_item_set_draw
 575                 (
 576                     GTK_SEPARATOR_TOOL_ITEM(tool->m_item),
 577                     FALSE
 578                 );
 579                 gtk_tool_item_set_expand(tool->m_item, TRUE);
 580             }
 581             gtk_toolbar_insert(m_toolbar, tool->m_item, int(pos));
 582             break;
 583
 584         case wxTOOL_STYLE_CONTROL:
 585             wxWindow* control = tool->GetControl();
 586             if (gtk_widget_get_parent(control->m_widget) == NULL)
 587                 AddChildGTK(control);
 588             tool->m_item = GTK_TOOL_ITEM(gtk_widget_get_parent(gtk_widget_get_parent(control->m_widget)));
 589             if (gtk_toolbar_get_item_index(m_toolbar, tool->m_item) != int(pos))
 590             {
 591                 g_object_ref(tool->m_item);
 592                 gtk_container_remove(
 593                     GTK_CONTAINER(m_toolbar), GTK_WIDGET(tool->m_item));
 594                 gtk_toolbar_insert(m_toolbar, tool->m_item, int(pos));
 595                 g_object_unref(tool->m_item);
 596             }
 597             break;
 598     }
 599     gtk_widget_show(GTK_WIDGET(tool->m_item));
 600
 601     InvalidateBestSize();
 602
 603     return true;
 604 }
 605
 606 bool wxToolBar::DoDeleteTool(size_t /* pos */, wxToolBarToolBase* toolBase)
 607 {
 608     wxToolBarTool* tool = static_cast<wxToolBarTool*>(toolBase);
 609
 610     if (tool->GetStyle() == wxTOOL_STYLE_CONTROL)
 611     {
 612         // don't destroy the control here as we can be called from
 613         // RemoveTool() and then we need to keep the control alive;
 614         // while if we're called from DeleteTool() the control will
 615         // be destroyed when wxToolBarToolBase itself is deleted
 616         GtkWidget* widget = tool->GetControl()->m_widget;
 617         gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(widget)), widget);
 618     }
 619     gtk_widget_destroy(GTK_WIDGET(tool->m_item));
 620     tool->m_item = NULL;
 621
 622     InvalidateBestSize();
 623     return true;
 624 }
 625
 626 GSList* wxToolBar::GetRadioGroup(size_t pos)
 627 {
 628     GSList* radioGroup = NULL;
 629     GtkToolItem* item = NULL;
 630     if (pos > 0)
 631     {
 632         item = gtk_toolbar_get_nth_item(m_toolbar, int(pos) - 1);
 633         if (!GTK_IS_RADIO_TOOL_BUTTON(item))
 634             item = NULL;
 635     }
 636     if (item == NULL && pos < m_tools.size())
 637     {
 638         item = gtk_toolbar_get_nth_item(m_toolbar, int(pos));
 639         if (!GTK_IS_RADIO_TOOL_BUTTON(item))
 640             item = NULL;
 641     }
 642     if (item)
 643         radioGroup = gtk_radio_tool_button_get_group((GtkRadioToolButton*)item);
 644     return radioGroup;
 645 }
 646
 647 // ----------------------------------------------------------------------------
 648 // wxToolBar tools state
 649 // ----------------------------------------------------------------------------
 650
 651 void wxToolBar::DoEnableTool(wxToolBarToolBase *toolBase, bool enable)
 652 {
 653     wxToolBarTool* tool = static_cast<wxToolBarTool*>(toolBase);
 654
 655     if (tool->m_item)
 656         gtk_widget_set_sensitive(GTK_WIDGET(tool->m_item), enable);
 657 }
 658
 659 void wxToolBar::DoToggleTool( wxToolBarToolBase *toolBase, bool toggle )
 660 {
 661     wxToolBarTool* tool = static_cast<wxToolBarTool*>(toolBase);
 662
 663     if (tool->m_item)
 664     {
 665         g_signal_handlers_block_by_func(tool->m_item, (void*)item_toggled, tool);
 666
 667         gtk_toggle_tool_button_set_active(
 668             GTK_TOGGLE_TOOL_BUTTON(tool->m_item), toggle);
 669
 670         g_signal_handlers_unblock_by_func(tool->m_item, (void*)item_toggled, tool);
 671     }
 672 }
 673
 674 void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
 675                             bool WXUNUSED(toggle))
 676 {
 677     // VZ: absolutely no idea about how to do it
 678     wxFAIL_MSG( wxT("not implemented") );
 679 }
 680
 681 // ----------------------------------------------------------------------------
 682 // wxToolBar geometry
 683 // ----------------------------------------------------------------------------
 684
 685 wxSize wxToolBar::DoGetBestSize() const
 686 {
 687     // Unfortunately, if overflow arrow is enabled GtkToolbar only reports size
 688     // of arrow. To get the real size, the arrow is temporarily disabled here.
 689     // This is gross, since it will cause a queue_resize, and could potentially
 690     // lead to an infinite loop. But there seems to be no alternative, short of
 691     // disabling the arrow entirely.
 692     gtk_toolbar_set_show_arrow(m_toolbar, false);
 693     const wxSize size = wxToolBarBase::DoGetBestSize();
 694     gtk_toolbar_set_show_arrow(m_toolbar, true);
 695     return size;
 696 }
 697
 698 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
 699                                                   wxCoord WXUNUSED(y)) const
 700 {
 701     // VZ: GTK+ doesn't seem to have such thing
 702     wxFAIL_MSG( wxT("wxToolBar::FindToolForPosition() not implemented") );
 703
 704     return NULL;
 705 }
 706
 707 void wxToolBar::SetToolShortHelp( int id, const wxString& helpString )
 708 {
 709     wxToolBarTool* tool = static_cast<wxToolBarTool*>(FindById(id));
 710
 711     if ( tool )
 712     {
 713         (void)tool->SetShortHelp(helpString);
 714         if (tool->m_item)
 715         {
 716 #if GTK_CHECK_VERSION(2, 12, 0)
 717             if (GTK_CHECK_VERSION(3,0,0) || gtk_check_version(2,12,0) == NULL)
 718             {
 719                 gtk_tool_item_set_tooltip_text(tool->m_item,
 720                     wxGTK_CONV(helpString));
 721             }
 722             else
 723 #endif
 724             {
 725 #ifndef __WXGTK3__
 726                 gtk_tool_item_set_tooltip(tool->m_item,
 727                     m_tooltips, wxGTK_CONV(helpString), "");
 728 #endif
 729             }
 730         }
 731     }
 732 }
 733
 734 void wxToolBar::SetToolNormalBitmap( int id, const wxBitmap& bitmap )
 735 {
 736     wxToolBarTool* tool = static_cast<wxToolBarTool*>(FindById(id));
 737     if ( tool )
 738     {
 739         wxCHECK_RET( tool->IsButton(), wxT("Can only set bitmap on button tools."));
 740
 741         tool->SetNormalBitmap(bitmap);
 742         tool->SetImage();
 743     }
 744 }
 745
 746 void wxToolBar::SetToolDisabledBitmap( int id, const wxBitmap& bitmap )
 747 {
 748     wxToolBarTool* tool = static_cast<wxToolBarTool*>(FindById(id));
 749     if ( tool )
 750     {
 751         wxCHECK_RET( tool->IsButton(), wxT("Can only set bitmap on button tools."));
 752
 753         tool->SetDisabledBitmap(bitmap);
 754     }
 755 }
 756
 757 // ----------------------------------------------------------------------------
 758
 759 // static
 760 wxVisualAttributes
 761 wxToolBar::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 762 {
 763     return GetDefaultAttributesFromGTKWidget(gtk_toolbar_new());
 764 }
 765
 766 #endif // wxUSE_TOOLBAR_NATIVE