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 #ifdef __VMS__
  30 #define gtk_pixmap_set_build_insensitive gtk_pixmap_set_build_insensitiv
  31 #endif
  32 #include "glib.h"
  33 #include "gdk/gdk.h"
  34 #include "gtk/gtk.h"
  35
  36 extern GdkFont *GtkGetDefaultGuiFont();
  37
  38 // ----------------------------------------------------------------------------
  39 // globals
  40 // ----------------------------------------------------------------------------
  41
  42 // idle system
  43 extern void wxapp_install_idle_handler();
  44 extern bool g_isIdle;
  45
  46 // data
  47 extern bool       g_blockEventsOnDrag;
  48 extern wxCursor   g_globalCursor;
  49
  50 // ----------------------------------------------------------------------------
  51 // wxToolBarTool
  52 // ----------------------------------------------------------------------------
  53
  54 class wxToolBarTool : public wxToolBarToolBase
  55 {
  56 public:
  57     wxToolBarTool(wxToolBar *tbar,
  58                   int id,
  59                   const wxBitmap& bitmap1,
  60                   const wxBitmap& bitmap2,
  61                   bool toggle,
  62                   wxObject *clientData,
  63                   const wxString& shortHelpString,
  64                   const wxString& longHelpString)
  65         : wxToolBarToolBase(tbar, id, bitmap1, bitmap2, toggle,
  66                             clientData, shortHelpString, longHelpString)
  67     {
  68         Init();
  69     }
  70
  71     wxToolBarTool(wxToolBar *tbar, wxControl *control)
  72         : wxToolBarToolBase(tbar, control)
  73     {
  74         Init();
  75     }
  76
  77     GtkWidget            *m_item;
  78     GtkWidget            *m_pixmap;
  79
  80 protected:
  81     void Init();
  82 };
  83
  84 // ----------------------------------------------------------------------------
  85 // wxWin macros
  86 // ----------------------------------------------------------------------------
  87
  88 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
  89
  90 // ============================================================================
  91 // implementation
  92 // ============================================================================
  93
  94 //-----------------------------------------------------------------------------
  95 // "clicked" (internal from gtk_toolbar)
  96 //-----------------------------------------------------------------------------
  97
  98 static void gtk_toolbar_callback( GtkWidget *WXUNUSED(widget),
  99                                   wxToolBarTool *tool )
 100 {
 101     if (g_isIdle)
 102         wxapp_install_idle_handler();
 103
 104     wxToolBar *tbar = (wxToolBar *)tool->GetToolBar();
 105     if ( tbar->m_blockNextEvent )
 106     {
 107         tbar->m_blockNextEvent = FALSE;
 108         return;
 109     }
 110
 111     if (g_blockEventsOnDrag) return;
 112     if (!tool->IsEnabled()) return;
 113
 114     if (tool->CanBeToggled())
 115     {
 116         tool->Toggle();
 117
 118         wxBitmap bitmap = tool->GetBitmap();
 119         if ( bitmap.Ok() )
 120         {
 121             GtkPixmap *pixmap = GTK_PIXMAP( tool->m_pixmap );
 122
 123             GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
 124                                                : (GdkBitmap *)NULL;
 125
 126             gtk_pixmap_set( pixmap, bitmap.GetPixmap(), mask );
 127         }
 128     }
 129
 130     tbar->OnLeftClick( tool->GetId(), tool->IsToggled() );
 131 }
 132
 133 //-----------------------------------------------------------------------------
 134 // "enter_notify_event"
 135 //-----------------------------------------------------------------------------
 136
 137 static gint gtk_toolbar_enter_callback( GtkWidget *WXUNUSED(widget),
 138                                         GdkEventCrossing *WXUNUSED(gdk_event),
 139                                         wxToolBarTool *tool )
 140 {
 141     if (g_isIdle) wxapp_install_idle_handler();
 142
 143     if (g_blockEventsOnDrag) return TRUE;
 144
 145     wxToolBar *tb = (wxToolBar *)tool->GetToolBar();
 146
 147 #if (GTK_MINOR_VERSION == 0)
 148     /* we grey-out the tip text of disabled tool in GTK 1.0 */
 149     if (tool->IsEnabled())
 150     {
 151         if (tb->m_fg->red != 0)
 152         {
 153             tb->m_fg->red = 0;
 154             tb->m_fg->green = 0;
 155             tb->m_fg->blue = 0;
 156             gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(tb->m_toolbar) ), tb->m_fg );
 157
 158             gtk_tooltips_set_colors( GTK_TOOLBAR(tb->m_toolbar)->tooltips, tb->m_bg, tb->m_fg );
 159         }
 160     }
 161     else
 162     {
 163         if (tb->m_fg->red == 0)
 164         {
 165             tb->m_fg->red = 33000;
 166             tb->m_fg->green = 33000;
 167             tb->m_fg->blue = 33000;
 168             gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(tb->m_toolbar) ), tb->m_fg );
 169             gtk_tooltips_set_colors( GTK_TOOLBAR(tb->m_toolbar)->tooltips, tb->m_bg, tb->m_fg );
 170         }
 171     }
 172 #endif
 173
 174     /* emit the event */
 175
 176     tb->OnMouseEnter( tool->GetId() );
 177
 178     return FALSE;
 179 }
 180
 181 //-----------------------------------------------------------------------------
 182 // InsertChild callback for wxToolBar
 183 //-----------------------------------------------------------------------------
 184
 185 static void wxInsertChildInToolBar( wxToolBar* WXUNUSED(parent),
 186                                     wxWindow* WXUNUSED(child) )
 187 {
 188     /* we don't do anything here but pray */
 189 }
 190
 191 // ----------------------------------------------------------------------------
 192 // wxToolBarTool
 193 // ----------------------------------------------------------------------------
 194
 195 void wxToolBarTool::Init()
 196 {
 197     m_item =
 198     m_pixmap = (GtkWidget *)NULL;
 199 }
 200
 201 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 202                                          const wxBitmap& bitmap1,
 203                                          const wxBitmap& bitmap2,
 204                                          bool toggle,
 205                                          wxObject *clientData,
 206                                          const wxString& shortHelpString,
 207                                          const wxString& longHelpString)
 208 {
 209     return new wxToolBarTool(this, id, bitmap1, bitmap2, toggle,
 210                              clientData, shortHelpString, longHelpString);
 211 }
 212
 213 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
 214 {
 215     return new wxToolBarTool(this, control);
 216 }
 217
 218 //-----------------------------------------------------------------------------
 219 // wxToolBar construction
 220 //-----------------------------------------------------------------------------
 221
 222 void wxToolBar::Init()
 223 {
 224     m_fg =
 225     m_bg = (GdkColor *)NULL;
 226
 227     m_toolbar = (GtkToolbar *)NULL;
 228
 229     m_blockNextEvent = FALSE;
 230 }
 231
 232 wxToolBar::~wxToolBar()
 233 {
 234     delete m_fg;
 235     delete m_bg;
 236 }
 237
 238 bool wxToolBar::Create( wxWindow *parent,
 239                         wxWindowID id,
 240                         const wxPoint& pos,
 241                         const wxSize& size,
 242                         long style,
 243                         const wxString& name )
 244 {
 245     m_needParent = TRUE;
 246     m_insertCallback = (wxInsertChildFunction)wxInsertChildInToolBar;
 247
 248     if ( !PreCreation( parent, pos, size ) ||
 249          !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 250     {
 251         wxFAIL_MSG( wxT("wxToolBar creation failed") );
 252
 253         return FALSE;
 254     }
 255
 256     GtkOrientation orient = style & wxTB_VERTICAL ? GTK_ORIENTATION_VERTICAL
 257                                                   : GTK_ORIENTATION_HORIZONTAL;
 258     m_toolbar = GTK_TOOLBAR( gtk_toolbar_new( orient, GTK_TOOLBAR_ICONS ) );
 259
 260     SetToolSeparation(7);
 261
 262     if (style & wxTB_DOCKABLE)
 263     {
 264         m_widget = gtk_handle_box_new();
 265         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_toolbar) );
 266         gtk_widget_show( GTK_WIDGET(m_toolbar) );
 267
 268 #if (GTK_MINOR_VERSION > 0)
 269         if (style & wxTB_FLAT)
 270             gtk_handle_box_set_shadow_type( GTK_HANDLE_BOX(m_widget), GTK_SHADOW_NONE );
 271 #endif
 272     }
 273     else
 274     {
 275         m_widget = GTK_WIDGET(m_toolbar);
 276     }
 277
 278     gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );
 279
 280     if (style & wxTB_FLAT)
 281         gtk_toolbar_set_button_relief( GTK_TOOLBAR(m_toolbar), GTK_RELIEF_NONE );
 282
 283
 284     m_fg = new GdkColor;
 285     m_fg->red = 0;
 286     m_fg->green = 0;
 287     m_fg->blue = 0;
 288     wxColour fg(0,0,0);
 289     fg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
 290     m_fg->pixel = fg.GetPixel();
 291
 292     m_bg = new GdkColor;
 293     m_bg->red = 65535;
 294     m_bg->green = 65535;
 295     m_bg->blue = 49980;
 296     wxColour bg(255,255,196);
 297     bg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
 298     m_bg->pixel = bg.GetPixel();
 299
 300     gtk_tooltips_force_window( GTK_TOOLBAR(m_toolbar)->tooltips );
 301
 302     GtkStyle *g_style =
 303         gtk_style_copy(
 304                 gtk_widget_get_style(
 305                     GTK_TOOLBAR(m_toolbar)->tooltips->tip_window ) );
 306
 307     g_style->bg[GTK_STATE_NORMAL] = *m_bg;
 308     gdk_font_unref( g_style->font );
 309         g_style->font = gdk_font_ref( GtkGetDefaultGuiFont() );
 310     gtk_widget_set_style( GTK_TOOLBAR(m_toolbar)->tooltips->tip_window, g_style );
 311
 312     m_parent->DoAddChild( this );
 313
 314     PostCreation();
 315
 316     Show( TRUE );
 317
 318     return TRUE;
 319 }
 320
 321 bool wxToolBar::DoInsertTool(size_t pos, wxToolBarToolBase *toolBase)
 322 {
 323     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 324
 325     // we have inserted a space before all the tools
 326     if (m_xMargin > 1) pos++;
 327
 328     if ( tool->IsButton() )
 329     {
 330         wxBitmap bitmap = tool->GetBitmap1();
 331
 332         wxCHECK_MSG( bitmap.Ok(), FALSE,
 333                      wxT("invalid bitmap for wxToolBar icon") );
 334
 335         wxCHECK_MSG( bitmap.GetBitmap() == NULL, FALSE,
 336                      wxT("wxToolBar doesn't support GdkBitmap") );
 337
 338         wxCHECK_MSG( bitmap.GetPixmap() != NULL, FALSE,
 339                      wxT("wxToolBar::Add needs a wxBitmap") );
 340
 341         GtkWidget *tool_pixmap = (GtkWidget *)NULL;
 342
 343         GdkPixmap *pixmap = bitmap.GetPixmap();
 344
 345         GdkBitmap *mask = (GdkBitmap *)NULL;
 346         if ( bitmap.GetMask() )
 347           mask = bitmap.GetMask()->GetBitmap();
 348
 349         tool_pixmap = gtk_pixmap_new( pixmap, mask );
 350 #if (GTK_MINOR_VERSION > 0)
 351         gtk_pixmap_set_build_insensitive( GTK_PIXMAP(tool_pixmap), TRUE );
 352 #endif
 353
 354         gtk_misc_set_alignment( GTK_MISC(tool_pixmap), 0.5, 0.5 );
 355
 356         tool->m_pixmap = tool_pixmap;
 357     }
 358
 359     switch ( tool->GetStyle() )
 360     {
 361         case wxTOOL_STYLE_BUTTON:
 362             tool->m_item = gtk_toolbar_insert_element
 363                            (
 364                               m_toolbar,
 365                               tool->CanBeToggled()
 366                                 ? GTK_TOOLBAR_CHILD_TOGGLEBUTTON
 367                                 : GTK_TOOLBAR_CHILD_BUTTON,
 368                               (GtkWidget *)NULL,
 369                               (const char *)NULL,
 370                               tool->GetShortHelp().mbc_str(),
 371                               "", // tooltip_private_text (?)
 372                               tool->m_pixmap,
 373                               (GtkSignalFunc)gtk_toolbar_callback,
 374                               (gpointer)tool,
 375                               pos
 376                            );
 377
 378             if ( !tool->m_item )
 379             {
 380                 wxFAIL_MSG( _T("gtk_toolbar_insert_element() failed") );
 381
 382                 return FALSE;
 383             }
 384
 385             gtk_signal_connect( GTK_OBJECT(tool->m_item),
 386                                 "enter_notify_event",
 387                                 GTK_SIGNAL_FUNC(gtk_toolbar_enter_callback),
 388                                 (gpointer)tool );
 389             break;
 390
 391         case wxTOOL_STYLE_SEPARATOR:
 392             gtk_toolbar_append_space( m_toolbar );
 393
 394             // skip the rest
 395             return TRUE;
 396
 397         case wxTOOL_STYLE_CONTROL:
 398             gtk_toolbar_insert_widget(
 399                                        m_toolbar,
 400                                        tool->GetControl()->m_widget,
 401                                        (const char *) NULL,
 402                                        (const char *) NULL,
 403                                        pos
 404                                       );
 405             break;
 406     }
 407
 408     GtkRequisition req;
 409     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
 410         (m_widget, &req );
 411     m_width = req.width + m_xMargin;
 412     m_height = req.height + 2*m_yMargin;
 413
 414     return TRUE;
 415 }
 416
 417 bool wxToolBar::DoDeleteTool(size_t WXUNUSED(pos), wxToolBarToolBase *toolBase)
 418 {
 419     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 420
 421     switch ( tool->GetStyle() )
 422     {
 423         case wxTOOL_STYLE_CONTROL:
 424             tool->GetControl()->Destroy();
 425             break;
 426
 427         case wxTOOL_STYLE_BUTTON:
 428             gtk_widget_destroy( tool->m_item );
 429             break;
 430
 431         //case wxTOOL_STYLE_SEPARATOR: -- nothing to do
 432     }
 433
 434     return TRUE;
 435 }
 436
 437 // ----------------------------------------------------------------------------
 438 // wxToolBar tools state
 439 // ----------------------------------------------------------------------------
 440
 441 void wxToolBar::DoEnableTool(wxToolBarToolBase *toolBase, bool enable)
 442 {
 443 #if (GTK_MINOR_VERSION > 0)
 444     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 445
 446     /* we don't disable the tools for GTK 1.0 as the bitmaps don't get
 447        greyed anyway and this also disables tooltips */
 448     if (tool->m_item)
 449         gtk_widget_set_sensitive( tool->m_item, enable );
 450 #endif
 451 }
 452
 453 void wxToolBar::DoToggleTool( wxToolBarToolBase *toolBase, bool toggle )
 454 {
 455     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 456
 457     GtkWidget *item = tool->m_item;
 458     if ( item && GTK_IS_TOGGLE_BUTTON(item) )
 459     {
 460         wxBitmap bitmap = tool->GetBitmap();
 461         if ( bitmap.Ok() )
 462         {
 463             GtkPixmap *pixmap = GTK_PIXMAP( tool->m_pixmap );
 464
 465             GdkBitmap *mask = bitmap.GetMask() ? bitmap.GetMask()->GetBitmap()
 466                                                : (GdkBitmap *)NULL;
 467
 468             gtk_pixmap_set( pixmap, bitmap.GetPixmap(), mask );
 469         }
 470
 471         m_blockNextEvent = TRUE;  // we cannot use gtk_signal_disconnect here
 472
 473         gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(item), toggle );
 474     }
 475 }
 476
 477 void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
 478                             bool WXUNUSED(toggle))
 479 {
 480     // VZ: absolutely no idea about how to do it
 481     wxFAIL_MSG( _T("not implemented") );
 482 }
 483
 484 // ----------------------------------------------------------------------------
 485 // wxToolBar geometry
 486 // ----------------------------------------------------------------------------
 487
 488 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
 489                                                   wxCoord WXUNUSED(y)) const
 490 {
 491     // VZ: GTK+ doesn't seem to have such thing
 492     wxFAIL_MSG( _T("wxToolBar::FindToolForPosition() not implemented") );
 493
 494     return (wxToolBarToolBase *)NULL;
 495 }
 496
 497 void wxToolBar::SetMargins( int x, int y )
 498 {
 499     wxCHECK_RET( GetToolsCount() == 0,
 500                  wxT("wxToolBar::SetMargins must be called before adding tools.") );
 501
 502     if (x > 1) gtk_toolbar_append_space( m_toolbar );  // oh well
 503
 504     m_xMargin = x;
 505     m_yMargin = y;
 506 }
 507
 508 void wxToolBar::SetToolSeparation( int separation )
 509 {
 510     gtk_toolbar_set_space_size( m_toolbar, separation );
 511     m_toolSeparation = separation;
 512 }
 513
 514 // ----------------------------------------------------------------------------
 515 // wxToolBar idle handling
 516 // ----------------------------------------------------------------------------
 517
 518 void wxToolBar::OnInternalIdle()
 519 {
 520     wxCursor cursor = m_cursor;
 521     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 522
 523     if (cursor.Ok())
 524     {
 525         /* I now set the cursor the anew in every OnInternalIdle call
 526            as setting the cursor in a parent window also effects the
 527            windows above so that checking for the current cursor is
 528            not possible. */
 529
 530         if (HasFlag(wxTB_DOCKABLE) && (m_widget->window))
 531         {
 532             /* if the toolbar is dockable, then m_widget stands for the
 533                GtkHandleBox widget, which uses its own window so that we
 534                can set the cursor for it. if the toolbar is not dockable,
 535                m_widget comes from m_toolbar which uses its parent's
 536                window ("windowless windows") and thus we cannot set the
 537                cursor. */
 538             gdk_window_set_cursor( m_widget->window, cursor.GetCursor() );
 539         }
 540
 541         wxToolBarToolsList::Node *node = m_tools.GetFirst();
 542         while ( node )
 543         {
 544             wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
 545             node = node->GetNext();
 546
 547             GtkWidget *item = tool->m_item;
 548             if ( item )
 549             {
 550                 GdkWindow *window = item->window;
 551
 552                 if ( window )
 553                 {
 554                     gdk_window_set_cursor( window, cursor.GetCursor() );
 555                 }
 556             }
 557         }
 558     }
 559
 560     UpdateWindowUI();
 561 }
 562
 563 #endif