src/gtk/tbargtk.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tbargtk.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 #ifdef __GNUG__
  20     #pragma implementation "tbargtk.h"
  21 #endif
  22
  23 #include "wx/toolbar.h"
  24
  25 #if wxUSE_TOOLBAR_NATIVE
  26
  27 #include "wx/frame.h"
  28
  29 #include "glib.h"
  30 #include "gdk/gdk.h"
  31 #include "gtk/gtk.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 // wxToolBarTool
  47 // ----------------------------------------------------------------------------
  48
  49 class wxToolBarTool : public wxToolBarToolBase
  50 {
  51 public:
  52     wxToolBarTool(wxToolBar *tbar,
  53                   int id,
  54                   const wxBitmap& bitmap1,
  55                   const wxBitmap& bitmap2,
  56                   bool toggle,
  57                   wxObject *clientData,
  58                   const wxString& shortHelpString,
  59                   const wxString& longHelpString)
  60         : wxToolBarToolBase(tbar, id, bitmap1, bitmap2, toggle,
  61                             clientData, shortHelpString, longHelpString)
  62     {
  63         Init();
  64     }
  65
  66     wxToolBarTool(wxToolBar *tbar, wxControl *control)
  67         : wxToolBarToolBase(tbar, control)
  68     {
  69         Init();
  70     }
  71
  72     GtkWidget            *m_item;
  73     GtkWidget            *m_pixmap;
  74
  75 protected:
  76     void Init();
  77 };
  78
  79 // ----------------------------------------------------------------------------
  80 // wxWin macros
  81 // ----------------------------------------------------------------------------
  82
  83 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
  84
  85 // ============================================================================
  86 // implementation
  87 // ============================================================================
  88
  89 //-----------------------------------------------------------------------------
  90 // "clicked" (internal from gtk_toolbar)
  91 //-----------------------------------------------------------------------------
  92
  93 static void gtk_toolbar_callback( GtkWidget *WXUNUSED(widget),
  94                                   wxToolBarTool *tool )
  95 {
  96     if (g_isIdle)
  97         wxapp_install_idle_handler();
  98
  99     wxToolBar *tbar = (wxToolBar *)tool->GetToolBar();
 100     if ( tbar->m_blockNextEvent )
 101     {
 102         tbar->m_blockNextEvent = FALSE;
 103         return;
 104     }
 105
 106     if (g_blockEventsOnDrag) return;
 107     if (!tool->IsEnabled()) return;
 108
 109     if (tool->CanBeToggled())
 110     {
 111         tool->Toggle();
 112
 113         wxBitmap bitmap = tool->GetBitmap();
 114         if ( bitmap.Ok() )
 115         {
 116             GtkPixmap *pixmap = GTK_PIXMAP( tool->m_pixmap );
 117
 118             GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
 119                                                : (GdkBitmap *)NULL;
 120
 121             gtk_pixmap_set( pixmap, bitmap.GetPixmap(), mask );
 122         }
 123     }
 124
 125     tbar->OnLeftClick( tool->GetId(), tool->IsToggled() );
 126 }
 127
 128 //-----------------------------------------------------------------------------
 129 // "enter_notify_event"
 130 //-----------------------------------------------------------------------------
 131
 132 static gint gtk_toolbar_enter_callback( GtkWidget *WXUNUSED(widget),
 133                                         GdkEventCrossing *WXUNUSED(gdk_event),
 134                                         wxToolBarTool *tool )
 135 {
 136     if (g_isIdle) wxapp_install_idle_handler();
 137
 138     if (g_blockEventsOnDrag) return TRUE;
 139
 140     wxToolBar *tb = (wxToolBar *)tool->GetToolBar();
 141
 142 #if (GTK_MINOR_VERSION == 0)
 143     /* we grey-out the tip text of disabled tool in GTK 1.0 */
 144     if (tool->IsEnabled())
 145     {
 146         if (tb->m_fg->red != 0)
 147         {
 148             tb->m_fg->red = 0;
 149             tb->m_fg->green = 0;
 150             tb->m_fg->blue = 0;
 151             gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(tb->m_toolbar) ), tb->m_fg );
 152
 153             gtk_tooltips_set_colors( GTK_TOOLBAR(tb->m_toolbar)->tooltips, tb->m_bg, tb->m_fg );
 154         }
 155     }
 156     else
 157     {
 158         if (tb->m_fg->red == 0)
 159         {
 160             tb->m_fg->red = 33000;
 161             tb->m_fg->green = 33000;
 162             tb->m_fg->blue = 33000;
 163             gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(tb->m_toolbar) ), tb->m_fg );
 164             gtk_tooltips_set_colors( GTK_TOOLBAR(tb->m_toolbar)->tooltips, tb->m_bg, tb->m_fg );
 165         }
 166     }
 167 #endif
 168
 169     /* emit the event */
 170
 171     tb->OnMouseEnter( tool->GetId() );
 172
 173     return FALSE;
 174 }
 175
 176 //-----------------------------------------------------------------------------
 177 // InsertChild callback for wxToolBar
 178 //-----------------------------------------------------------------------------
 179
 180 static void wxInsertChildInToolBar( wxToolBar* WXUNUSED(parent),
 181                                     wxWindow* WXUNUSED(child) )
 182 {
 183     /* we don't do anything here but pray */
 184 }
 185
 186 // ----------------------------------------------------------------------------
 187 // wxToolBarTool
 188 // ----------------------------------------------------------------------------
 189
 190 void wxToolBarTool::Init()
 191 {
 192     m_item =
 193     m_pixmap = (GtkWidget *)NULL;
 194 }
 195
 196 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 197                                          const wxBitmap& bitmap1,
 198                                          const wxBitmap& bitmap2,
 199                                          bool toggle,
 200                                          wxObject *clientData,
 201                                          const wxString& shortHelpString,
 202                                          const wxString& longHelpString)
 203 {
 204     return new wxToolBarTool(this, id, bitmap1, bitmap2, toggle,
 205                              clientData, shortHelpString, longHelpString);
 206 }
 207
 208 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
 209 {
 210     return new wxToolBarTool(this, control);
 211 }
 212
 213 //-----------------------------------------------------------------------------
 214 // wxToolBar construction
 215 //-----------------------------------------------------------------------------
 216
 217 void wxToolBar::Init()
 218 {
 219     m_fg =
 220     m_bg = (GdkColor *)NULL;
 221
 222     m_toolbar = (GtkToolbar *)NULL;
 223
 224     m_blockNextEvent = FALSE;
 225 }
 226
 227 wxToolBar::~wxToolBar()
 228 {
 229     delete m_fg;
 230     delete m_bg;
 231 }
 232
 233 bool wxToolBar::Create( wxWindow *parent,
 234                         wxWindowID id,
 235                         const wxPoint& pos,
 236                         const wxSize& size,
 237                         long style,
 238                         const wxString& name )
 239 {
 240     m_needParent = TRUE;
 241     m_insertCallback = (wxInsertChildFunction)wxInsertChildInToolBar;
 242
 243     if ( !PreCreation( parent, pos, size ) ||
 244          !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 245     {
 246         wxFAIL_MSG( wxT("wxToolBar creation failed") );
 247
 248         return FALSE;
 249     }
 250
 251     GtkOrientation orient = style & wxTB_VERTICAL ? GTK_ORIENTATION_VERTICAL
 252                                                   : GTK_ORIENTATION_HORIZONTAL;
 253     m_toolbar = GTK_TOOLBAR( gtk_toolbar_new( orient, GTK_TOOLBAR_ICONS ) );
 254
 255     SetToolSeparation(7);
 256
 257     if (style & wxTB_DOCKABLE)
 258     {
 259         m_widget = gtk_handle_box_new();
 260         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
 261         gtk_widget_show( GTK_WIDGET(m_toolbar) );
 262
 263 #if (GTK_MINOR_VERSION > 0)
 264         if (style & wxTB_FLAT)
 265             gtk_handle_box_set_shadow_type( GTK_HANDLE_BOX(m_widget), GTK_SHADOW_NONE );
 266 #endif
 267     }
 268     else
 269     {
 270         m_widget = GTK_WIDGET(m_toolbar);
 271     }
 272
 273     gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );
 274
 275     if (style & wxTB_FLAT)
 276         gtk_toolbar_set_button_relief( GTK_TOOLBAR(m_toolbar), GTK_RELIEF_NONE );
 277
 278
 279     m_fg = new GdkColor;
 280     m_fg->red = 0;
 281     m_fg->green = 0;
 282     m_fg->blue = 0;
 283     wxColour fg(0,0,0);
 284     fg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
 285     m_fg->pixel = fg.GetPixel();
 286
 287     m_bg = new GdkColor;
 288     m_bg->red = 65535;
 289     m_bg->green = 65535;
 290     m_bg->blue = 49980;
 291     wxColour bg(255,255,196);
 292     bg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
 293     m_bg->pixel = bg.GetPixel();
 294
 295     gtk_tooltips_force_window( GTK_TOOLBAR(m_toolbar)->tooltips );
 296
 297     GtkStyle *g_style =
 298         gtk_style_copy(
 299                 gtk_widget_get_style(
 300                     GTK_TOOLBAR(m_toolbar)->tooltips->tip_window ) );
 301
 302     g_style->bg[GTK_STATE_NORMAL] = *m_bg;
 303     gtk_widget_set_style( GTK_TOOLBAR(m_toolbar)->tooltips->tip_window, g_style );
 304
 305
 306     m_parent->DoAddChild( this );
 307
 308     PostCreation();
 309
 310     Show( TRUE );
 311
 312     return TRUE;
 313 }
 314
 315 bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
 316 {
 317     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 318
 319     // we have inserted a space before all the tools
 320     if (m_xMargin > 1) pos++;
 321
 322     if ( tool->IsButton() )
 323     {
 324         wxBitmap bitmap = tool->GetBitmap1();
 325
 326         wxCHECK_MSG( bitmap.Ok(), FALSE,
 327                      wxT("invalid bitmap for wxToolBar icon") );
 328
 329         wxCHECK_MSG( bitmap.GetBitmap() == NULL, FALSE,
 330                      wxT("wxToolBar doesn't support GdkBitmap") );
 331
 332         wxCHECK_MSG( bitmap.GetPixmap() != NULL, FALSE,
 333                      wxT("wxToolBar::Add needs a wxBitmap") );
 334
 335         GtkWidget *tool_pixmap = (GtkWidget *)NULL;
 336
 337         GdkPixmap *pixmap = bitmap.GetPixmap();
 338
 339         GdkBitmap *mask = (GdkBitmap *)NULL;
 340         if ( bitmap.GetMask() )
 341           mask = bitmap.GetMask()->GetBitmap();
 342
 343         tool_pixmap = gtk_pixmap_new( pixmap, mask );
 344 #if (GTK_MINOR_VERSION > 0)
 345         gtk_pixmap_set_build_insensitive( GTK_PIXMAP(tool_pixmap), TRUE );
 346 #endif
 347
 348         gtk_misc_set_alignment( GTK_MISC(tool_pixmap), 0.5, 0.5 );
 349
 350         tool->m_pixmap = tool_pixmap;
 351     }
 352
 353     switch ( tool->GetStyle() )
 354     {
 355         case wxTOOL_STYLE_BUTTON:
 356             tool->m_item = gtk_toolbar_insert_element
 357                            (
 358                               m_toolbar,
 359                               tool->CanBeToggled()
 360                                 ? GTK_TOOLBAR_CHILD_TOGGLEBUTTON
 361                                 : GTK_TOOLBAR_CHILD_BUTTON,
 362                               (GtkWidget *)NULL,
 363                               (const char *)NULL,
 364                               tool->GetShortHelp().mbc_str(),
 365                               "", // tooltip_private_text (?)
 366                               tool->m_pixmap,
 367                               (GtkSignalFunc)gtk_toolbar_callback,
 368                               (gpointer)tool,
 369                               pos
 370                            );
 371
 372             if ( !tool->m_item )
 373             {
 374                 wxFAIL_MSG( _T("gtk_toolbar_insert_element() failed") );
 375
 376                 return FALSE;
 377             }
 378
 379             gtk_signal_connect( GTK_OBJECT(tool->m_item),
 380                                 "enter_notify_event",
 381                                 GTK_SIGNAL_FUNC(gtk_toolbar_enter_callback),
 382                                 (gpointer)tool );
 383             break;
 384
 385         case wxTOOL_STYLE_SEPARATOR:
 386             gtk_toolbar_append_space( m_toolbar );
 387
 388             // skip the rest
 389             return TRUE;
 390
 391         case wxTOOL_STYLE_CONTROL:
 392             gtk_toolbar_insert_widget(
 393                                        m_toolbar,
 394                                        tool->GetControl()->m_widget,
 395                                        (const char *) NULL,
 396                                        (const char *) NULL,
 397                                        pos
 398                                       );
 399             break;
 400     }
 401
 402     GtkRequisition req;
 403     (* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request ) (m_widget, &req );
 404     m_width = req.width + m_xMargin;
 405     m_height = req.height + 2*m_yMargin;
 406
 407     return TRUE;
 408 }
 409
 410 bool wxToolBar::DoDeleteTool(size_t WXUNUSED(pos), wxToolBarToolBase *toolBase)
 411 {
 412     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 413
 414     switch ( tool->GetStyle() )
 415     {
 416         case wxTOOL_STYLE_CONTROL:
 417             tool->GetControl()->Destroy();
 418             break;
 419
 420         case wxTOOL_STYLE_BUTTON:
 421             gtk_widget_destroy( tool->m_item );
 422             break;
 423
 424         //case wxTOOL_STYLE_SEPARATOR: -- nothing to do
 425     }
 426
 427     return TRUE;
 428 }
 429
 430 // ----------------------------------------------------------------------------
 431 // wxToolBar tools state
 432 // ----------------------------------------------------------------------------
 433
 434 void wxToolBar::DoEnableTool(wxToolBarToolBase *toolBase, bool enable)
 435 {
 436 #if (GTK_MINOR_VERSION > 0)
 437     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 438
 439     /* we don't disable the tools for GTK 1.0 as the bitmaps don't get
 440        greyed anyway and this also disables tooltips */
 441     if (tool->m_item)
 442         gtk_widget_set_sensitive( tool->m_item, enable );
 443 #endif
 444 }
 445
 446 void wxToolBar::DoToggleTool( wxToolBarToolBase *toolBase, bool toggle )
 447 {
 448     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 449
 450     GtkWidget *item = tool->m_item;
 451     if ( item && GTK_IS_TOGGLE_BUTTON(item) )
 452     {
 453         wxBitmap bitmap = tool->GetBitmap();
 454         if ( bitmap.Ok() )
 455         {
 456             GtkPixmap *pixmap = GTK_PIXMAP( tool->m_pixmap );
 457
 458             GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
 459                                                : (GdkBitmap *)NULL;
 460
 461             gtk_pixmap_set( pixmap, bitmap.GetPixmap(), mask );
 462         }
 463
 464         m_blockNextEvent = TRUE;  // we cannot use gtk_signal_disconnect here
 465
 466         gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(item), toggle );
 467     }
 468 }
 469
 470 void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
 471                             bool WXUNUSED(toggle))
 472 {
 473     // VZ: absolutely no idea about how to do it
 474     wxFAIL_MSG( _T("not implemented") );
 475 }
 476
 477 // ----------------------------------------------------------------------------
 478 // wxToolBar geometry
 479 // ----------------------------------------------------------------------------
 480
 481 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
 482                                                   wxCoord WXUNUSED(y)) const
 483 {
 484     // VZ: GTK+ doesn't seem to have such thing
 485     wxFAIL_MSG( _T("wxToolBar::FindToolForPosition() not implemented") );
 486
 487     return (wxToolBarToolBase *)NULL;
 488 }
 489
 490 void wxToolBar::SetMargins( int x, int y )
 491 {
 492     wxCHECK_RET( GetToolsCount() == 0,
 493                  wxT("wxToolBar::SetMargins must be called before adding tools.") );
 494
 495     if (x > 1) gtk_toolbar_append_space( m_toolbar );  // oh well
 496
 497     m_xMargin = x;
 498     m_yMargin = y;
 499 }
 500
 501 void wxToolBar::SetToolSeparation( int separation )
 502 {
 503     gtk_toolbar_set_space_size( m_toolbar, separation );
 504     m_toolSeparation = separation;
 505 }
 506
 507 // ----------------------------------------------------------------------------
 508 // wxToolBar idle handling
 509 // ----------------------------------------------------------------------------
 510
 511 void wxToolBar::OnInternalIdle()
 512 {
 513     wxCursor cursor = m_cursor;
 514     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 515
 516     if (cursor.Ok())
 517     {
 518         /* I now set the cursor the anew in every OnInternalIdle call
 519            as setting the cursor in a parent window also effects the
 520            windows above so that checking for the current cursor is
 521            not possible. */
 522
 523         if (HasFlag(wxTB_DOCKABLE) && (m_widget->window))
 524         {
 525             /* if the toolbar is dockable, then m_widget stands for the
 526                GtkHandleBox widget, which uses its own window so that we
 527                can set the cursor for it. if the toolbar is not dockable,
 528                m_widget comes from m_toolbar which uses its parent's
 529                window ("windowless windows") and thus we cannot set the
 530                cursor. */
 531             gdk_window_set_cursor( m_widget->window, cursor.GetCursor() );
 532         }
 533
 534         wxToolBarToolsList::Node *node = m_tools.GetFirst();
 535         while ( node )
 536         {
 537             wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
 538             node = node->GetNext();
 539
 540             GtkWidget *item = tool->m_item;
 541             if ( item )
 542             {
 543                 GdkWindow *window = item->window;
 544
 545                 if ( window )
 546                 {
 547                     gdk_window_set_cursor( window, cursor.GetCursor() );
 548                 }
 549             }
 550         }
 551     }
 552
 553     UpdateWindowUI();
 554 }
 555
 556 #endif