src/motif/toolbar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/toolbar.cpp
   3 // Purpose:     wxToolBar
   4 // Author:      Julian Smart
   5 // Modified by: 13.12.99 by VZ during toolbar classes reorganization
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __VMS
  24 #define XtDisplay XTDISPLAY
  25 #endif
  26
  27 #include "wx/toolbar.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/frame.h"
  32     #include "wx/timer.h"
  33     #include "wx/settings.h"
  34 #endif
  35
  36 #ifdef __VMS__
  37 #pragma message disable nosimpint
  38 #endif
  39 #include <Xm/Xm.h>
  40 #include <Xm/PushBG.h>
  41 #include <Xm/PushB.h>
  42 #include <Xm/Label.h>
  43 #include <Xm/ToggleB.h>
  44 #include <Xm/ToggleBG.h>
  45 #include <Xm/Form.h>
  46 #ifdef __VMS__
  47 #pragma message enable nosimpint
  48 #endif
  49
  50 #include "wx/motif/private.h"
  51 #include "wx/motif/bmpmotif.h"
  52
  53 // ----------------------------------------------------------------------------
  54 // wxWin macros
  55 // ----------------------------------------------------------------------------
  56
  57 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
  58
  59 // ----------------------------------------------------------------------------
  60 // private functions
  61 // ----------------------------------------------------------------------------
  62
  63 static void wxToolButtonCallback (Widget w, XtPointer clientData,
  64                     XtPointer ptr);
  65 static void wxToolButtonPopupCallback (Widget w, XtPointer client_data,
  66                      XEvent *event, Boolean *continue_to_dispatch);
  67
  68 // ----------------------------------------------------------------------------
  69 // private classes
  70 // ----------------------------------------------------------------------------
  71
  72 class wxToolBarTimer : public wxTimer
  73 {
  74 public:
  75     virtual void Notify();
  76
  77     static Widget help_popup;
  78     static Widget buttonWidget;
  79     static wxString helpString;
  80 };
  81
  82 class wxToolBarTool : public wxToolBarToolBase
  83 {
  84 public:
  85     wxToolBarTool(wxToolBar *tbar,
  86                   int id,
  87                   const wxString& label,
  88                   const wxBitmap& bmpNormal,
  89                   const wxBitmap& bmpToggled,
  90                   wxItemKind kind,
  91                   wxObject *clientData,
  92                   const wxString& shortHelp,
  93                   const wxString& longHelp)
  94         : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpToggled, kind,
  95                             clientData, shortHelp, longHelp)
  96     {
  97         Init();
  98     }
  99
 100     wxToolBarTool(wxToolBar *tbar, wxControl *control, const wxString& label)
 101         : wxToolBarToolBase(tbar, control, label)
 102     {
 103         Init();
 104     }
 105
 106     virtual ~wxToolBarTool();
 107
 108     // accessors
 109     void SetWidget(Widget widget) { m_widget = widget; }
 110     Widget GetButtonWidget() const { return m_widget; }
 111
 112     Pixmap GetArmPixmap()
 113     {
 114         m_bitmapCache.SetBitmap( GetNormalBitmap() );
 115         return (Pixmap)m_bitmapCache.GetArmPixmap( (WXWidget)m_widget );
 116     }
 117
 118     Pixmap GetInsensPixmap()
 119     {
 120         m_bitmapCache.SetBitmap( GetNormalBitmap() );
 121         return (Pixmap)m_bitmapCache.GetInsensPixmap( (WXWidget)m_widget );
 122     }
 123 protected:
 124     void Init();
 125
 126     Widget m_widget;
 127     wxBitmapCache m_bitmapCache;
 128 };
 129
 130 // ----------------------------------------------------------------------------
 131 // globals
 132 // ----------------------------------------------------------------------------
 133
 134 static wxToolBarTimer* wxTheToolBarTimer = (wxToolBarTimer*) NULL;
 135
 136 Widget wxToolBarTimer::help_popup = (Widget) 0;
 137 Widget wxToolBarTimer::buttonWidget = (Widget) 0;
 138 wxString wxToolBarTimer::helpString;
 139
 140 // ============================================================================
 141 // implementation
 142 // ============================================================================
 143
 144 // ----------------------------------------------------------------------------
 145 // wxToolBarTool
 146 // ----------------------------------------------------------------------------
 147
 148 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 149                                          const wxString& label,
 150                                          const wxBitmap& bmpNormal,
 151                                          const wxBitmap& bmpToggled,
 152                                          wxItemKind kind,
 153                                          wxObject *clientData,
 154                                          const wxString& shortHelp,
 155                                          const wxString& longHelp)
 156 {
 157     return new wxToolBarTool(this, id, label, bmpNormal, bmpToggled, kind,
 158                              clientData, shortHelp, longHelp);
 159 }
 160
 161
 162 wxToolBarToolBase *
 163 wxToolBar::CreateTool(wxControl *control, const wxString& label)
 164 {
 165     return new wxToolBarTool(this, control, label);
 166 }
 167
 168 void wxToolBarTool::Init()
 169 {
 170     m_widget = (Widget)0;
 171 }
 172
 173 wxToolBarTool::~wxToolBarTool()
 174 {
 175     if ( m_widget )
 176         XtDestroyWidget(m_widget);
 177 }
 178
 179 // ----------------------------------------------------------------------------
 180 // wxToolBar construction
 181 // ----------------------------------------------------------------------------
 182
 183 void wxToolBar::Init()
 184 {
 185     m_maxWidth = -1;
 186     m_maxHeight = -1;
 187     m_defaultWidth = 24;
 188     m_defaultHeight = 22;
 189     m_toolPacking = 2;
 190     m_toolSeparation = 8;
 191     m_xMargin = 2;
 192     m_yMargin = 2;
 193     m_maxRows = 100;
 194     m_maxCols = 100;
 195 }
 196
 197 bool wxToolBar::Create(wxWindow *parent,
 198                        wxWindowID id,
 199                        const wxPoint& pos,
 200                        const wxSize& size,
 201                        long style,
 202                        const wxString& name)
 203 {
 204     if( !wxControl::CreateControl( parent, id, pos, size, style,
 205                                    wxDefaultValidator, name ) )
 206         return false;
 207
 208     FixupStyle();
 209
 210     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 211
 212     Widget parentWidget = (Widget) parent->GetClientWidget();
 213
 214     Widget toolbar = XtVaCreateManagedWidget("toolbar",
 215                     xmBulletinBoardWidgetClass, (Widget) parentWidget,
 216                     XmNmarginWidth, 0,
 217                     XmNmarginHeight, 0,
 218                     XmNresizePolicy, XmRESIZE_NONE,
 219                     NULL);
 220 /*
 221     Widget toolbar = XtVaCreateManagedWidget("toolbar",
 222                 xmFormWidgetClass, (Widget) m_clientWidget,
 223                 XmNtraversalOn, False,
 224                 XmNhorizontalSpacing, 0,
 225                 XmNverticalSpacing, 0,
 226                 XmNleftOffset, 0,
 227                 XmNrightOffset, 0,
 228                 XmNmarginWidth, 0,
 229                 XmNmarginHeight, 0,
 230                 NULL);
 231 */
 232
 233     m_mainWidget = (WXWidget) toolbar;
 234
 235     ChangeFont(false);
 236
 237     wxPoint rPos = pos;
 238     wxSize  rSize = size;
 239
 240     if( rPos.x == -1 ) rPos.x = 0;
 241     if( rPos.y == -1 ) rPos.y = 0;
 242     if( rSize.x == -1 && GetParent() )
 243         rSize.x = GetParent()->GetSize().x;
 244
 245     AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
 246                   rPos.x, rPos.y, rSize.x, rSize.y);
 247
 248     ChangeBackgroundColour();
 249
 250     return true;
 251 }
 252
 253 wxToolBar::~wxToolBar()
 254 {
 255     delete wxTheToolBarTimer;
 256     wxTheToolBarTimer = NULL;
 257 }
 258
 259 bool wxToolBar::Realize()
 260 {
 261     if ( m_tools.GetCount() == 0 )
 262     {
 263         // nothing to do
 264         return true;
 265     }
 266
 267     bool isVertical = GetWindowStyle() & wxTB_VERTICAL;
 268
 269     // Separator spacing
 270     const int separatorSize = GetToolSeparation(); // 8;
 271     wxSize margins = GetToolMargins();
 272     int packing = GetToolPacking();
 273     int marginX = margins.x;
 274     int marginY = margins.y;
 275
 276     int currentX = marginX;
 277     int currentY = marginY;
 278
 279     int buttonHeight = 0, buttonWidth = 0;
 280
 281     Widget button;
 282     Pixmap pixmap, insensPixmap;
 283     wxBitmap bmp, insensBmp;
 284
 285     wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 286     while ( node )
 287     {
 288         wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
 289
 290         switch ( tool->GetStyle() )
 291         {
 292             case wxTOOL_STYLE_CONTROL:
 293             {
 294                 wxControl* control = tool->GetControl();
 295                 wxSize sz = control->GetSize();
 296                 wxPoint pos = control->GetPosition();
 297                 // Allow a control to specify a y[x]-offset by setting
 298                 // its initial position, but still don't allow it to
 299                 // position itself above the top[left] margin.
 300                 int controlY = (pos.y > 0) ? pos.y : currentY;
 301                 int controlX = (pos.x > 0) ? pos.x : currentX;
 302                 control->Move( isVertical ? controlX : currentX,
 303                                isVertical ? currentY : controlY );
 304                 if ( isVertical )
 305                     currentY += sz.y + packing;
 306                 else
 307                     currentX += sz.x + packing;
 308
 309                 break;
 310             }
 311             case wxTOOL_STYLE_SEPARATOR:
 312                 // skip separators for vertical toolbars
 313                 if( !isVertical )
 314                 {
 315                     currentX += separatorSize;
 316                 }
 317                 break;
 318
 319             case wxTOOL_STYLE_BUTTON:
 320                 button = (Widget) 0;
 321
 322                 if ( tool->CanBeToggled() && !tool->GetButtonWidget() )
 323                 {
 324                     button = XtVaCreateWidget("toggleButton",
 325                             xmToggleButtonWidgetClass, (Widget) m_mainWidget,
 326                             XmNx, currentX, XmNy, currentY,
 327                             XmNindicatorOn, False,
 328                             XmNshadowThickness, 2,
 329                             XmNborderWidth, 0,
 330                             XmNspacing, 0,
 331                             XmNmarginWidth, 0,
 332                             XmNmarginHeight, 0,
 333                             XmNmultiClick, XmMULTICLICK_KEEP,
 334                             XmNlabelType, XmPIXMAP,
 335                             NULL);
 336                     XtAddCallback ((Widget) button,
 337                                    XmNvalueChangedCallback,
 338                                    (XtCallbackProc) wxToolButtonCallback,
 339                                    (XtPointer) this);
 340
 341                     XtVaSetValues ((Widget) button,
 342                                    XmNselectColor,
 343                                    m_backgroundColour.AllocColour
 344                                        (XtDisplay((Widget) button)),
 345                                    NULL);
 346                 }
 347                 else if( !tool->GetButtonWidget() )
 348                 {
 349                     button = XtVaCreateWidget("button",
 350                             xmPushButtonWidgetClass, (Widget) m_mainWidget,
 351                             XmNx, currentX, XmNy, currentY,
 352                             XmNpushButtonEnabled, True,
 353                             XmNmultiClick, XmMULTICLICK_KEEP,
 354                             XmNlabelType, XmPIXMAP,
 355                             NULL);
 356                     XtAddCallback (button,
 357                                    XmNactivateCallback,
 358                                    (XtCallbackProc) wxToolButtonCallback,
 359                                    (XtPointer) this);
 360                 }
 361
 362                 if( !tool->GetButtonWidget() )
 363                 {
 364                     wxDoChangeBackgroundColour((WXWidget) button,
 365                                                m_backgroundColour, true);
 366
 367                     tool->SetWidget(button);
 368                 }
 369                 else
 370                 {
 371                     button = (Widget)tool->GetButtonWidget();
 372                     XtVaSetValues( button,
 373                                    XmNx, currentX, XmNy, currentY,
 374                                    NULL );
 375                 }
 376
 377                 // For each button, if there is a mask, we must create
 378                 // a new wxBitmap that has the correct background colour
 379                 // for the button. Otherwise the background will just be
 380                 // e.g. black if a transparent XPM has been loaded.
 381                 bmp = tool->GetNormalBitmap();
 382                 insensBmp = tool->GetDisabledBitmap();
 383                 if ( bmp.GetMask() || insensBmp.GetMask() )
 384                 {
 385                     WXPixel backgroundPixel;
 386                     XtVaGetValues(button, XmNbackground, &backgroundPixel,
 387                                   NULL);
 388
 389                     wxColour col;
 390                     col.SetPixel(backgroundPixel);
 391
 392                     if( bmp.Ok() && bmp.GetMask() )
 393                     {
 394                         bmp = wxCreateMaskedBitmap(bmp, col);
 395                         tool->SetNormalBitmap(bmp);
 396                     }
 397
 398                     if( insensBmp.Ok() && insensBmp.GetMask() )
 399                     {
 400                         insensBmp = wxCreateMaskedBitmap(insensBmp, col);
 401                         tool->SetDisabledBitmap(insensBmp);
 402                     }
 403                 }
 404
 405                 // Create a selected/toggled bitmap. If there isn't a 2nd
 406                 // bitmap, we need to create it (with a darker, selected
 407                 // background)
 408                 WXPixel backgroundPixel;
 409                 if ( tool->CanBeToggled() )
 410                     XtVaGetValues(button, XmNselectColor, &backgroundPixel,
 411                                   NULL);
 412                 else
 413                     XtVaGetValues(button, XmNarmColor, &backgroundPixel,
 414                                   NULL);
 415                 wxColour col;
 416                 col.SetPixel(backgroundPixel);
 417
 418                 pixmap = (Pixmap) bmp.GetDrawable();
 419                 {
 420                     wxBitmap tmp = tool->GetDisabledBitmap();
 421
 422                     insensPixmap = tmp.Ok() ?
 423                             (Pixmap)tmp.GetDrawable() :
 424                             tool->GetInsensPixmap();
 425                 }
 426
 427                 if (tool->CanBeToggled())
 428                 {
 429                     // Toggle button
 430                     Pixmap pixmap2 = tool->GetArmPixmap();
 431                     Pixmap insensPixmap2 = tool->GetInsensPixmap();
 432
 433                     XtVaSetValues (button,
 434                             XmNfillOnSelect, True,
 435                             XmNlabelPixmap, pixmap,
 436                             XmNselectPixmap, pixmap2,
 437                             XmNlabelInsensitivePixmap, insensPixmap,
 438                             XmNselectInsensitivePixmap, insensPixmap2,
 439                             XmNlabelType, XmPIXMAP,
 440                             NULL);
 441                 }
 442                 else
 443                 {
 444                     Pixmap pixmap2 = tool->GetArmPixmap();
 445
 446                     // Normal button
 447                     XtVaSetValues(button,
 448                             XmNlabelPixmap, pixmap,
 449                             XmNlabelInsensitivePixmap, insensPixmap,
 450                             XmNarmPixmap, pixmap2,
 451                             NULL);
 452                 }
 453
 454                 XtManageChild(button);
 455
 456                 {
 457                     Dimension width, height;
 458                     XtVaGetValues(button,
 459                                   XmNwidth, &width,
 460                                   XmNheight, & height,
 461                                   NULL);
 462                     if ( isVertical )
 463                         currentY += height + packing;
 464                     else
 465                         currentX += width + packing;
 466                     buttonHeight = wxMax(buttonHeight, height);
 467                     buttonWidth = wxMax(buttonWidth, width);
 468                 }
 469
 470                 XtAddEventHandler (button, EnterWindowMask | LeaveWindowMask,
 471                         False, wxToolButtonPopupCallback, (XtPointer) this);
 472
 473                 break;
 474         }
 475
 476         node = node->GetNext();
 477     }
 478
 479     SetSize( -1, -1,
 480              isVertical ? buttonWidth + 2 * marginX : -1,
 481              isVertical ? -1 : buttonHeight +  2*marginY );
 482
 483     return true;
 484 }
 485
 486 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
 487                                                   wxCoord WXUNUSED(y)) const
 488 {
 489     wxFAIL_MSG( _T("TODO") );
 490
 491     return (wxToolBarToolBase *)NULL;
 492 }
 493
 494 bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
 495 {
 496     tool->Attach(this);
 497
 498     return true;
 499 }
 500
 501 bool wxToolBar::DoDeleteTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
 502 {
 503     tool->Detach();
 504
 505     bool isVertical = GetWindowStyle() & wxTB_VERTICAL;
 506     const int separatorSize = GetToolSeparation(); // 8;
 507     int packing = GetToolPacking();
 508     int offset = 0;
 509
 510     for( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 511          node; node = node->GetNext() )
 512     {
 513         wxToolBarTool *t = (wxToolBarTool*)node->GetData();
 514
 515         if( t == tool )
 516         {
 517             switch ( t->GetStyle() )
 518             {
 519             case wxTOOL_STYLE_CONTROL:
 520             {
 521                 wxSize size = t->GetControl()->GetSize();
 522                 offset = isVertical ? size.y : size.x;
 523                 offset += packing;
 524                 break;
 525             }
 526             case wxTOOL_STYLE_SEPARATOR:
 527                 offset = isVertical ? 0 : separatorSize;
 528                 break;
 529             case wxTOOL_STYLE_BUTTON:
 530             {
 531                 Widget w = t->GetButtonWidget();
 532                 Dimension width, height;
 533
 534                 XtVaGetValues( w,
 535                                XmNwidth, &width,
 536                                XmNheight, &height,
 537                                NULL );
 538
 539                 offset = isVertical ? height : width;
 540                 offset += packing;
 541                 break;
 542             }
 543             }
 544         }
 545         else if( offset )
 546         {
 547             switch ( t->GetStyle() )
 548             {
 549             case wxTOOL_STYLE_CONTROL:
 550             {
 551                 wxPoint location = t->GetControl()->GetPosition();
 552
 553                 if( isVertical )
 554                     location.y -= offset;
 555                 else
 556                     location.x -= offset;
 557
 558                 t->GetControl()->Move( location );
 559                 break;
 560             }
 561             case wxTOOL_STYLE_SEPARATOR:
 562                 break;
 563             case wxTOOL_STYLE_BUTTON:
 564             {
 565                 Dimension x, y;
 566                 XtVaGetValues( t->GetButtonWidget(),
 567                                XmNx, &x,
 568                                XmNy, &y,
 569                                NULL );
 570
 571                 if( isVertical )
 572                     y = (Dimension)(y - offset);
 573                 else
 574                     x = (Dimension)(x - offset);
 575
 576                 XtVaSetValues( t->GetButtonWidget(),
 577                                XmNx, x,
 578                                XmNy, y,
 579                                NULL );
 580                 break;
 581             }
 582             }
 583         }
 584     }
 585
 586     return true;
 587 }
 588
 589 void wxToolBar::DoEnableTool(wxToolBarToolBase *toolBase, bool enable)
 590 {
 591     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 592     if (tool->GetButtonWidget()){
 593         XtSetSensitive(tool->GetButtonWidget(), (Boolean) enable);
 594     } else if (wxTOOL_STYLE_CONTROL == tool->GetStyle()){
 595         // Controls (such as wxChoice) do not have button widgets
 596         tool->GetControl()->Enable(enable);
 597     }
 598 }
 599
 600 void wxToolBar::DoToggleTool(wxToolBarToolBase *toolBase, bool toggle)
 601 {
 602     wxToolBarTool *tool = (wxToolBarTool *)toolBase;
 603
 604     XmToggleButtonSetState(tool->GetButtonWidget(), (Boolean) toggle, False);
 605 }
 606
 607 void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
 608                             bool WXUNUSED(toggle))
 609 {
 610     // nothing to do
 611 }
 612
 613 void wxToolBar::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 614 {
 615     int old_width, old_height;
 616     GetSize(&old_width, &old_height);
 617
 618     // Correct width and height if needed.
 619     if ( width == -1 || height == -1 )
 620     {
 621         wxSize defaultSize = GetSize();
 622
 623         if ( width == -1 )
 624             width = defaultSize.x;
 625         if ( height == -1 )
 626             height = defaultSize.y;
 627     }
 628
 629     wxToolBarBase::DoSetSize(x, y, width, height, sizeFlags);
 630
 631     // We must refresh the frame size when the toolbar changes size
 632     // otherwise the toolbar can be shown incorrectly
 633     if ( old_width != width || old_height != height )
 634     {
 635         // But before we send the size event check it
 636         // we have a frame that is not being deleted.
 637         wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 638         if ( frame && !frame->IsBeingDeleted() )
 639         {
 640             frame->SendSizeEvent();
 641         }
 642     }
 643 }
 644
 645 // ----------------------------------------------------------------------------
 646 // Motif callbacks
 647 // ----------------------------------------------------------------------------
 648
 649 wxToolBarToolBase *wxToolBar::FindToolByWidget(WXWidget w) const
 650 {
 651     wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 652     while ( node )
 653     {
 654         wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
 655         if ( tool->GetButtonWidget() == w)
 656         {
 657             return tool;
 658         }
 659
 660         node = node->GetNext();
 661     }
 662
 663     return (wxToolBarToolBase *)NULL;
 664 }
 665
 666 static void wxToolButtonCallback(Widget w,
 667                                  XtPointer clientData,
 668                                  XtPointer WXUNUSED(ptr))
 669 {
 670     wxToolBar *toolBar = (wxToolBar *) clientData;
 671     wxToolBarToolBase *tool = toolBar->FindToolByWidget((WXWidget) w);
 672     if ( !tool )
 673         return;
 674
 675     if ( tool->CanBeToggled() )
 676         tool->Toggle();
 677
 678     if ( !toolBar->OnLeftClick(tool->GetId(), tool->IsToggled()) )
 679     {
 680         // revert
 681         tool->Toggle();
 682     }
 683 }
 684
 685
 686 static void wxToolButtonPopupCallback(Widget w,
 687                                       XtPointer client_data,
 688                                       XEvent *event,
 689                                       Boolean *WXUNUSED(continue_to_dispatch))
 690 {
 691     // TODO: retrieve delay before popping up tooltip from wxSystemSettings.
 692     static const int delayMilli = 800;
 693
 694     wxToolBar* toolBar = (wxToolBar*) client_data;
 695     wxToolBarToolBase *tool = toolBar->FindToolByWidget((WXWidget) w);
 696
 697     if ( !tool )
 698         return;
 699
 700     wxString tooltip = tool->GetShortHelp();
 701     if ( !tooltip )
 702         return;
 703
 704     if (!wxTheToolBarTimer)
 705         wxTheToolBarTimer = new wxToolBarTimer;
 706
 707     wxToolBarTimer::buttonWidget = w;
 708     wxToolBarTimer::helpString = tooltip;
 709
 710     /************************************************************/
 711     /* Popup help label                                         */
 712     /************************************************************/
 713     if (event->type == EnterNotify)
 714     {
 715         if (wxToolBarTimer::help_popup != (Widget) 0)
 716         {
 717             XtDestroyWidget (wxToolBarTimer::help_popup);
 718             XtPopdown (wxToolBarTimer::help_popup);
 719         }
 720         wxToolBarTimer::help_popup = (Widget) 0;
 721
 722         // One shot
 723         wxTheToolBarTimer->Start(delayMilli, true);
 724
 725     }
 726     /************************************************************/
 727     /* Popdown help label                                       */
 728     /************************************************************/
 729     else if (event->type == LeaveNotify)
 730     {
 731         if (wxTheToolBarTimer)
 732             wxTheToolBarTimer->Stop();
 733         if (wxToolBarTimer::help_popup != (Widget) 0)
 734         {
 735             XtDestroyWidget (wxToolBarTimer::help_popup);
 736             XtPopdown (wxToolBarTimer::help_popup);
 737         }
 738         wxToolBarTimer::help_popup = (Widget) 0;
 739     }
 740 }
 741
 742 void wxToolBarTimer::Notify()
 743 {
 744     Position x, y;
 745
 746         /************************************************************/
 747         /* Create shell without window decorations                  */
 748         /************************************************************/
 749         help_popup = XtVaCreatePopupShell ("shell",
 750                                            overrideShellWidgetClass, (Widget) wxTheApp->GetTopLevelWidget(),
 751                                            NULL);
 752
 753         /************************************************************/
 754         /* Get absolute position on display of toolbar button       */
 755         /************************************************************/
 756         XtTranslateCoords (buttonWidget,
 757                            (Position) 0,
 758                            (Position) 0,
 759                            &x, &y);
 760
 761         // Move the tooltip more or less above the button
 762         int yOffset = 20; // TODO: What should be really?
 763         y = (Position)(y - yOffset);
 764         if (y < yOffset) y = 0;
 765
 766         /************************************************************/
 767         /* Set the position of the help popup                       */
 768         /************************************************************/
 769         XtVaSetValues (help_popup,
 770                        XmNx, (Position) x,
 771                        XmNy, (Position) y,
 772                        NULL);
 773
 774         /************************************************************/
 775         /* Create help label                                        */
 776         /************************************************************/
 777         XmString text = XmStringCreateSimple ((char*) (const char*) helpString);
 778         XtVaCreateManagedWidget ("help_label",
 779                                  xmLabelWidgetClass, help_popup,
 780                                  XmNlabelString, text,
 781                                  XtVaTypedArg,
 782                                  XmNforeground, XtRString, "black",
 783                                                 strlen("black")+1,
 784                                  XtVaTypedArg,
 785                                  XmNbackground, XtRString, "LightGoldenrod",
 786                                                 strlen("LightGoldenrod")+1,
 787                                  NULL);
 788         XmStringFree (text);
 789
 790         /************************************************************/
 791         /* Popup help label                                         */
 792         /************************************************************/
 793         XtPopup (help_popup, XtGrabNone);
 794 }