src/gtk1/toolbar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/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 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #if wxUSE_TOOLBAR_NATIVE
  23
  24 #include "wx/toolbar.h"
  25
  26 #ifndef WX_PRECOMP
  27     #include "wx/frame.h"
  28 #endif
  29
  30 #include <glib.h>
  31 #include "wx/gtk1/private.h"
  32
  33 // ----------------------------------------------------------------------------
  34 // globals
  35 // ----------------------------------------------------------------------------
  36
  37 // idle system
  38 extern void wxapp_install_idle_handler();
  39 extern bool g_isIdle;
  40
  41 // data
  42 extern bool       g_blockEventsOnDrag;
  43 extern wxCursor   g_globalCursor;
  44
  45 // ----------------------------------------------------------------------------
  46 // private functions
  47 // ----------------------------------------------------------------------------
  48
  49 // translate wxWidgets toolbar style flags to GTK orientation and style
  50 static void GetGtkStyle(long style,
  51                         GtkOrientation *orient, GtkToolbarStyle *gtkStyle)
  52 {
  53     *orient = style & wxTB_VERTICAL ? GTK_ORIENTATION_VERTICAL
  54                                     : GTK_ORIENTATION_HORIZONTAL;
  55
  56
  57     if ( style & wxTB_TEXT )
  58     {
  59         *gtkStyle = style & wxTB_NOICONS
  60                         ? GTK_TOOLBAR_TEXT
  61                         : GTK_TOOLBAR_BOTH;
  62     }
  63     else // no text, hence we must have the icons or what would we show?
  64     {
  65         *gtkStyle = GTK_TOOLBAR_ICONS;
  66     }
  67 }
  68
  69 // ----------------------------------------------------------------------------
  70 // wxToolBarTool
  71 // ----------------------------------------------------------------------------
  72
  73 class wxToolBarTool : public wxToolBarToolBase
  74 {
  75 public:
  76     wxToolBarTool(wxToolBar *tbar,
  77                   int id,
  78                   const wxString& label,
  79                   const wxBitmap& bitmap1,
  80                   const wxBitmap& bitmap2,
  81                   wxItemKind kind,
  82                   wxObject *clientData,
  83                   const wxString& shortHelpString,
  84                   const wxString& longHelpString)
  85         : wxToolBarToolBase(tbar, id, label, bitmap1, bitmap2, kind,
  86                             clientData, shortHelpString, longHelpString)
  87     {
  88         Init();
  89     }
  90
  91     wxToolBarTool(wxToolBar *tbar, wxControl *control, const wxString& label)
  92         : wxToolBarToolBase(tbar, control, label)
  93     {
  94         Init();
  95     }
  96
  97     // is this a radio button?
  98     //
  99     // unlike GetKind(), can be called for any kind of tools, not just buttons
 100     bool IsRadio() const { return IsButton() && GetKind() == wxITEM_RADIO; }
 101
 102     // this is only called for the normal buttons, i.e. not separators nor
 103     // controls
 104     GtkToolbarChildType GetGtkChildType() const
 105     {
 106         switch ( GetKind() )
 107         {
 108             case wxITEM_CHECK:
 109                 return GTK_TOOLBAR_CHILD_TOGGLEBUTTON;
 110
 111             case wxITEM_RADIO:
 112                 return GTK_TOOLBAR_CHILD_RADIOBUTTON;
 113
 114             default:
 115                 wxFAIL_MSG( wxT("unknown toolbar child type") );
 116                 // fall through
 117
 118             case wxITEM_NORMAL:
 119                 return GTK_TOOLBAR_CHILD_BUTTON;
 120         }
 121     }
 122
 123     void SetPixmap(const wxBitmap& bitmap)
 124     {
 125         if (bitmap.Ok())
 126         {
 127             GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
 128                                                : NULL;
 129             gtk_pixmap_set( GTK_PIXMAP(m_pixmap), bitmap.GetPixmap(), mask );
 130         }
 131     }
 132
 133     GtkWidget            *m_item;
 134     GtkWidget            *m_pixmap;
 135
 136 protected:
 137     void Init();
 138 };
 139
 140 // ----------------------------------------------------------------------------
 141 // wxWin macros
 142 // ----------------------------------------------------------------------------
 143
 144 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
 145
 146 // ============================================================================
 147 // implementation
 148 // ============================================================================
 149
 150 //-----------------------------------------------------------------------------
 151 // "clicked" (internal from gtk_toolbar)
 152 //-----------------------------------------------------------------------------
 153
 154 extern "C" {
 155 static void gtk_toolbar_callback( GtkWidget *WXUNUSED(widget),
 156                                   wxToolBarTool *tool )
 157 {
 158     if (g_isIdle)
 159         wxapp_install_idle_handler();
 160
 161     wxToolBar *tbar = (wxToolBar *)tool->GetToolBar();
 162
 163     if (tbar->m_blockEvent) return;
 164
 165     if (g_blockEventsOnDrag) return;
 166     if (!tool->IsEnabled()) return;
 167
 168     if (tool->CanBeToggled())
 169     {
 170         tool->Toggle();
 171
 172         tool->SetPixmap(tool->GetBitmap());
 173
 174         if ( tool->IsRadio() && !tool->IsToggled() )
 175         {
 176             // radio button went up, don't report this as a wxWin event
 177             return;
 178         }
 179     }
 180
 181     if( !tbar->OnLeftClick( tool->GetId(), tool->IsToggled() ) && tool->CanBeToggled() )
 182     {
 183         // revert back
 184         tool->Toggle();
 185
 186         tool->SetPixmap(tool->GetBitmap());
 187     }
 188 }
 189 }
 190
 191 //-----------------------------------------------------------------------------
 192 // "enter_notify_event" / "leave_notify_event"
 193 //-----------------------------------------------------------------------------
 194
 195 extern "C" {
 196 static gint gtk_toolbar_tool_callback( GtkWidget *WXUNUSED(widget),
 197                                        GdkEventCrossing *gdk_event,
 198                                        wxToolBarTool *tool )
 199 {
 200     if (g_isIdle) wxapp_install_idle_handler();
 201
 202     if (g_blockEventsOnDrag) return TRUE;
 203
 204     wxToolBar *tb = (wxToolBar *)tool->GetToolBar();
 205
 206     // emit the event
 207     if( gdk_event->type == GDK_ENTER_NOTIFY )
 208         tb->OnMouseEnter( tool->GetId() );
 209     else
 210         tb->OnMouseEnter( -1 );
 211
 212     return FALSE;
 213 }
 214 }
 215
 216 //-----------------------------------------------------------------------------
 217 // InsertChild callback for wxToolBar
 218 //-----------------------------------------------------------------------------
 219
 220 static void wxInsertChildInToolBar( wxToolBar* WXUNUSED(parent),
 221                                     wxWindow* WXUNUSED(child) )
 222 {
 223     // we don't do anything here
 224 }
 225
 226 // ----------------------------------------------------------------------------
 227 // wxToolBarTool
 228 // ----------------------------------------------------------------------------
 229
 230 void wxToolBarTool::Init()
 231 {
 232     m_item =
 233     m_pixmap = NULL;
 234 }
 235
 236 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 237                                          const wxString& text,
 238                                          const wxBitmap& bitmap1,
 239                                          const wxBitmap& bitmap2,
 240                                          wxItemKind kind,
 241                                          wxObject *clientData,
 242                                          const wxString& shortHelpString,
 243                                          const wxString& longHelpString)
 244 {
 245     return new wxToolBarTool(this, id, text, bitmap1, bitmap2, kind,
 246                              clientData, shortHelpString, longHelpString);
 247 }
 248
 249 wxToolBarToolBase *
 250 wxToolBar::CreateTool(wxControl *control, const wxString& label)
 251 {
 252     return new wxToolBarTool(this, control, label);
 253 }
 254
 255 //-----------------------------------------------------------------------------
 256 // wxToolBar construction
 257 //-----------------------------------------------------------------------------
 258
 259 void wxToolBar::Init()
 260 {
 261     m_toolbar = NULL;
 262     m_blockEvent = false;
 263     m_defaultWidth = 32;
 264     m_defaultHeight = 32;
 265 }
 266
 267 wxToolBar::~wxToolBar()
 268 {
 269 }
 270
 271 bool wxToolBar::Create( wxWindow *parent,
 272                         wxWindowID id,
 273                         const wxPoint& pos,
 274                         const wxSize& size,
 275                         long style,
 276                         const wxString& name )
 277 {
 278     m_needParent = true;
 279     m_insertCallback = (wxInsertChildFunction)wxInsertChildInToolBar;
 280
 281     if ( !PreCreation( parent, pos, size ) ||
 282          !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 283     {
 284         wxFAIL_MSG( wxT("wxToolBar creation failed") );
 285
 286         return false;
 287     }
 288
 289     FixupStyle();
 290
 291     GtkOrientation orient;
 292     GtkToolbarStyle gtkStyle;
 293     GetGtkStyle(style, &orient, &gtkStyle);
 294
 295     m_toolbar = GTK_TOOLBAR( gtk_toolbar_new(orient, gtkStyle) );
 296
 297     SetToolSeparation(7);
 298
 299     if (style & wxTB_DOCKABLE)
 300     {
 301         m_widget = gtk_handle_box_new();
 302         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
 303         gtk_widget_show( GTK_WIDGET(m_toolbar) );
 304
 305         if (style & wxTB_FLAT)
 306             gtk_handle_box_set_shadow_type( GTK_HANDLE_BOX(m_widget), GTK_SHADOW_NONE );
 307     }
 308     else
 309     {
 310         m_widget = gtk_event_box_new();
 311         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
 312         ConnectWidget( m_widget );
 313         gtk_widget_show(GTK_WIDGET(m_toolbar));
 314     }
 315
 316     gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );
 317
 318     if (style & wxTB_FLAT)
 319         gtk_toolbar_set_button_relief( GTK_TOOLBAR(m_toolbar), GTK_RELIEF_NONE );
 320
 321     m_parent->DoAddChild( this );
 322
 323     PostCreation(size);
 324
 325     return true;
 326 }
 327
 328 void wxToolBar::GtkSetStyle()
 329 {
 330     GtkOrientation orient;
 331     GtkToolbarStyle style;
 332     GetGtkStyle(GetWindowStyle(), &orient, &style);
 333
 334     gtk_toolbar_set_orientation(m_toolbar, orient);
 335     gtk_toolbar_set_style(m_toolbar, style);
 336 }
 337
 338 void wxToolBar::SetWindowStyleFlag( long style )
 339 {
 340     wxToolBarBase::SetWindowStyleFlag(style);
 341
 342     if ( m_toolbar )
 343         GtkSetStyle();
 344 }
 345
 346 bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
 347 {
 348     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 349
 350     // if we have inserted a space before all the tools we must change the GTK
 351     // index by 1
 352     size_t posGtk = m_xMargin > 1 ? pos + 1 : pos;
 353
 354     if ( tool->IsButton() )
 355     {
 356         if ( !HasFlag(wxTB_NOICONS) )
 357         {
 358             wxBitmap bitmap = tool->GetNormalBitmap();
 359
 360             wxCHECK_MSG( bitmap.Ok(), false,
 361                          wxT("invalid bitmap for wxToolBar icon") );
 362
 363             wxCHECK_MSG( bitmap.GetBitmap() == NULL, false,
 364                          wxT("wxToolBar doesn't support GdkBitmap") );
 365
 366             wxCHECK_MSG( bitmap.GetPixmap() != NULL, false,
 367                          wxT("wxToolBar::Add needs a wxBitmap") );
 368
 369             GtkWidget *tool_pixmap = NULL;
 370
 371             GdkPixmap *pixmap = bitmap.GetPixmap();
 372
 373             GdkBitmap *mask = NULL;
 374             if ( bitmap.GetMask() )
 375                 mask = bitmap.GetMask()->GetBitmap();
 376
 377             tool_pixmap = gtk_pixmap_new( pixmap, mask );
 378             gtk_pixmap_set_build_insensitive( GTK_PIXMAP(tool_pixmap), TRUE );
 379
 380             gtk_misc_set_alignment( GTK_MISC(tool_pixmap), 0.5, 0.5 );
 381
 382             tool->m_pixmap = tool_pixmap;
 383         }
 384     }
 385
 386     switch ( tool->GetStyle() )
 387     {
 388         case wxTOOL_STYLE_BUTTON:
 389             // for a radio button we need the widget which starts the radio
 390             // group it belongs to, i.e. the first radio button immediately
 391             // preceding this one
 392             {
 393                 GtkWidget *widget = NULL;
 394
 395                 if ( tool->IsRadio() )
 396                 {
 397                     wxToolBarToolsList::compatibility_iterator node
 398                         = wxToolBarToolsList::compatibility_iterator();
 399                     if ( pos )
 400                         node = m_tools.Item(pos - 1);
 401
 402                     while ( node )
 403                     {
 404                         wxToolBarTool *toolNext = (wxToolBarTool *)node->GetData();
 405                         if ( !toolNext->IsRadio() )
 406                             break;
 407
 408                         widget = toolNext->m_item;
 409
 410                         node = node->GetPrevious();
 411                     }
 412
 413                     if ( !widget )
 414                     {
 415                         // this is the first button in the radio button group,
 416                         // it will be toggled automatically by GTK so bring the
 417                         // internal flag in sync
 418                         tool->Toggle(true);
 419                     }
 420                 }
 421
 422                 tool->m_item = gtk_toolbar_insert_element
 423                                (
 424                                   m_toolbar,
 425                                   tool->GetGtkChildType(),
 426                                   widget,
 427                                   tool->GetLabel().empty()
 428                                     ? NULL
 429                                     : (const char*) wxGTK_CONV( tool->GetLabel() ),
 430                                   tool->GetShortHelp().empty()
 431                                     ? NULL
 432                                     : (const char*) wxGTK_CONV( tool->GetShortHelp() ),
 433                                   "", // tooltip_private_text (?)
 434                                   tool->m_pixmap,
 435                                   (GtkSignalFunc)gtk_toolbar_callback,
 436                                   (gpointer)tool,
 437                                   posGtk
 438                                );
 439
 440                 if ( !tool->m_item )
 441                 {
 442                     wxFAIL_MSG( wxT("gtk_toolbar_insert_element() failed") );
 443
 444                     return false;
 445                 }
 446
 447                 gtk_signal_connect( GTK_OBJECT(tool->m_item),
 448                                     "enter_notify_event",
 449                                     GTK_SIGNAL_FUNC(gtk_toolbar_tool_callback),
 450                                     (gpointer)tool );
 451                 gtk_signal_connect( GTK_OBJECT(tool->m_item),
 452                                     "leave_notify_event",
 453                                     GTK_SIGNAL_FUNC(gtk_toolbar_tool_callback),
 454                                     (gpointer)tool );
 455             }
 456             break;
 457
 458         case wxTOOL_STYLE_SEPARATOR:
 459             gtk_toolbar_insert_space( m_toolbar, posGtk );
 460
 461             // skip the rest
 462             return true;
 463
 464         case wxTOOL_STYLE_CONTROL:
 465             gtk_toolbar_insert_widget(
 466                                        m_toolbar,
 467                                        tool->GetControl()->m_widget,
 468                                        (const char *) NULL,
 469                                        (const char *) NULL,
 470                                        posGtk
 471                                       );
 472             break;
 473     }
 474
 475     GtkRequisition req;
 476     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 477         (m_widget, &req );
 478     m_width = req.width + m_xMargin;
 479     m_height = req.height + 2*m_yMargin;
 480     InvalidateBestSize();
 481
 482     return true;
 483 }
 484
 485 bool wxToolBar::DoDeleteTool(size_t WXUNUSED(pos), wxToolBarToolBase *toolBase)
 486 {
 487     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 488
 489     switch ( tool->GetStyle() )
 490     {
 491         case wxTOOL_STYLE_CONTROL:
 492             // don't destroy the control here as we can be called from
 493             // RemoveTool() and then we need to keep the control alive;
 494             // while if we're called from DeleteTool() the control will
 495             // be destroyed when wxToolBarToolBase itself is deleted
 496             break;
 497
 498         case wxTOOL_STYLE_BUTTON:
 499             gtk_widget_destroy( tool->m_item );
 500             break;
 501
 502         default:
 503             wxFAIL_MSG( "unknown tool style" );
 504             return false;
 505     }
 506
 507     InvalidateBestSize();
 508     return true;
 509 }
 510
 511 // ----------------------------------------------------------------------------
 512 // wxToolBar tools state
 513 // ----------------------------------------------------------------------------
 514
 515 void wxToolBar::DoEnableTool(wxToolBarToolBase *toolBase, bool enable)
 516 {
 517     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 518
 519     if (tool->m_item)
 520     {
 521         gtk_widget_set_sensitive( tool->m_item, enable );
 522     }
 523 }
 524
 525 void wxToolBar::DoToggleTool( wxToolBarToolBase *toolBase, bool toggle )
 526 {
 527     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 528
 529     GtkWidget *item = tool->m_item;
 530     if ( item && GTK_IS_TOGGLE_BUTTON(item) )
 531     {
 532         tool->SetPixmap(tool->GetBitmap());
 533
 534         m_blockEvent = true;
 535
 536         gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(item), toggle );
 537
 538         m_blockEvent = false;
 539     }
 540 }
 541
 542 void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
 543                             bool WXUNUSED(toggle))
 544 {
 545     // VZ: absolutely no idea about how to do it
 546     wxFAIL_MSG( wxT("not implemented") );
 547 }
 548
 549 // ----------------------------------------------------------------------------
 550 // wxToolBar geometry
 551 // ----------------------------------------------------------------------------
 552
 553 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
 554                                                   wxCoord WXUNUSED(y)) const
 555 {
 556     // VZ: GTK+ doesn't seem to have such thing
 557     wxFAIL_MSG( wxT("wxToolBar::FindToolForPosition() not implemented") );
 558
 559     return NULL;
 560 }
 561
 562 void wxToolBar::SetMargins( int x, int y )
 563 {
 564     wxCHECK_RET( GetToolsCount() == 0,
 565                  wxT("wxToolBar::SetMargins must be called before adding tools.") );
 566
 567     if (x > 1)
 568         gtk_toolbar_append_space( m_toolbar );  // oh well
 569
 570     m_xMargin = x;
 571     m_yMargin = y;
 572 }
 573
 574 void wxToolBar::SetToolSeparation( int separation )
 575 {
 576     gtk_toolbar_set_space_size( m_toolbar, separation );
 577
 578     m_toolSeparation = separation;
 579 }
 580
 581 void wxToolBar::SetToolShortHelp( int id, const wxString& helpString )
 582 {
 583     wxToolBarTool *tool = (wxToolBarTool *)FindById(id);
 584
 585     if ( tool )
 586     {
 587         (void)tool->SetShortHelp(helpString);
 588         gtk_tooltips_set_tip(m_toolbar->tooltips, tool->m_item,
 589                              wxGTK_CONV( helpString ), "");
 590     }
 591 }
 592
 593 // ----------------------------------------------------------------------------
 594 // wxToolBar idle handling
 595 // ----------------------------------------------------------------------------
 596
 597 void wxToolBar::OnInternalIdle()
 598 {
 599     wxCursor cursor = m_cursor;
 600     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 601
 602     if (cursor.Ok())
 603     {
 604         /* I now set the cursor the anew in every OnInternalIdle call
 605            as setting the cursor in a parent window also effects the
 606            windows above so that checking for the current cursor is
 607            not possible. */
 608
 609         if (HasFlag(wxTB_DOCKABLE) && (m_widget->window))
 610         {
 611             /* if the toolbar is dockable, then m_widget stands for the
 612                GtkHandleBox widget, which uses its own window so that we
 613                can set the cursor for it. if the toolbar is not dockable,
 614                m_widget comes from m_toolbar which uses its parent's
 615                window ("windowless windows") and thus we cannot set the
 616                cursor. */
 617             gdk_window_set_cursor( m_widget->window, cursor.GetCursor() );
 618         }
 619
 620         wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 621         while ( node )
 622         {
 623             wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
 624             node = node->GetNext();
 625
 626             GtkWidget *item = tool->m_item;
 627             if ( item )
 628             {
 629                 GdkWindow *window = item->window;
 630
 631                 if ( window )
 632                 {
 633                     gdk_window_set_cursor( window, cursor.GetCursor() );
 634                 }
 635             }
 636         }
 637     }
 638
 639     if (wxUpdateUIEvent::CanUpdate(this))
 640         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
 641 }
 642
 643
 644 // ----------------------------------------------------------------------------
 645
 646 // static
 647 wxVisualAttributes
 648 wxToolBar::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 649 {
 650     wxVisualAttributes attr;
 651     GtkWidget* widget = gtk_toolbar_new(GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH);
 652     attr = GetDefaultAttributesFromGTKWidget(widget);
 653     gtk_widget_destroy(widget);
 654     return attr;
 655 }
 656
 657 #endif // wxUSE_TOOLBAR_NATIVE