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[wxWidgets.git] / src / motif / toolbar.cpp
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 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        toolbar.cpp
+// Name:        motif/toolbar.cpp
 // Purpose:     wxToolBar
 // Author:      Julian Smart
 // Purpose:     wxToolBar
 // Author:      Julian Smart
-// Modified by:
+// Modified by: 13.12.99 by VZ during toolbar classes reorganization
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
 #ifdef __GNUG__
-#pragma implementation "toolbar.h"
+    #pragma implementation "toolbar.h"
+#endif
+
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
 #endif
 
 #include "wx/wx.h"
 #endif
 
 #include "wx/wx.h"
+#include "wx/app.h"
+#include "wx/timer.h"
 #include "wx/toolbar.h"
 
 #include "wx/toolbar.h"
 
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/Xm.h>
+#include <Xm/PushBG.h>
+#include <Xm/PushB.h>
+#include <Xm/Label.h>
+#include <Xm/ToggleB.h>
+#include <Xm/ToggleBG.h>
+#include <Xm/Form.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+#include "wx/motif/private.h"
+
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
+
 #if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxToolBarBase)
 #if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxToolBarBase)
-
-BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
-END_EVENT_TABLE()
 #endif
 
 #endif
 
-wxToolBar::wxToolBar()
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static void wxToolButtonCallback (Widget w, XtPointer clientData,
+                    XtPointer ptr);
+static void wxToolButtonPopupCallback (Widget w, XtPointer client_data,
+                     XEvent *event, Boolean *continue_to_dispatch);
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+class wxToolBarTimer : public wxTimer
 {
 {
-  m_maxWidth = -1;
-  m_maxHeight = -1;
-  m_defaultWidth = 24;
-  m_defaultHeight = 22;
-  // TODO
+public:
+    virtual void Notify();
+
+    static Widget help_popup;
+    static Widget buttonWidget;
+    static wxString helpString;
+};
+
+class wxToolBarTool : public wxToolBarToolBase
+{
+public:
+    wxToolBarTool(wxToolBar *tbar,
+                  int id,
+                  const wxBitmap& bitmap1,
+                  const wxBitmap& bitmap2,
+                  bool toggle,
+                  wxObject *clientData,
+                  const wxString& shortHelpString,
+                  const wxString& longHelpString)
+        : wxToolBarToolBase(tbar, id, bitmap1, bitmap2, toggle,
+                            clientData, shortHelpString, longHelpString)
+    {
+        Init();
+    }
+
+    wxToolBarTool(wxToolBar *tbar, wxControl *control)
+        : wxToolBarToolBase(tbar, control)
+    {
+        Init();
+    }
+
+    virtual ~wxToolBarTool();
+
+    // accessors
+    void SetWidget(Widget widget) { m_widget = widget; }
+    Widget GetButtonWidget() const { return m_widget; }
+
+    void SetPixmap(Pixmap pixmap) { m_pixmap = pixmap; }
+    Pixmap GetPixmap() const { return m_pixmap; }
+
+protected:
+    void Init();
+
+    Widget m_widget;
+    Pixmap m_pixmap;
+};
+
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
+static wxToolBarTimer* wxTheToolBarTimer = (wxToolBarTimer*) NULL;
+
+Widget wxToolBarTimer::help_popup = (Widget) 0;
+Widget wxToolBarTimer::buttonWidget = (Widget) 0;
+wxString wxToolBarTimer::helpString;
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxToolBarTool
+// ----------------------------------------------------------------------------
+
+wxToolBarToolBase *wxToolBar::CreateTool(int id,
+                                         const wxBitmap& bitmap1,
+                                         const wxBitmap& bitmap2,
+                                         bool toggle,
+                                         wxObject *clientData,
+                                         const wxString& shortHelpString,
+                                         const wxString& longHelpString)
+{
+    return new wxToolBarTool(this, id, bitmap1, bitmap2, toggle,
+                             clientData, shortHelpString, longHelpString);
 }
 
 }
 
-bool wxToolBar::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
-            long style, const wxString& name)
+wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
+{
+    return new wxToolBarTool(this, control);
+}
+
+void wxToolBarTool::Init()
+{
+    m_widget = (Widget)0;
+    m_pixmap = (Pixmap)0;
+}
+
+wxToolBarTool::~wxToolBarTool()
+{
+    if ( m_widget )
+        XtDestroyWidget(m_widget);
+    if ( m_pixmap )
+        XmDestroyPixmap(DefaultScreenOfDisplay((Display*)wxGetDisplay()),
+                        m_pixmap);
+}
+
+// ----------------------------------------------------------------------------
+// wxToolBar construction
+// ----------------------------------------------------------------------------
+
+void wxToolBar::Init()
 {
     m_maxWidth = -1;
     m_maxHeight = -1;
 {
     m_maxWidth = -1;
     m_maxHeight = -1;
-  
     m_defaultWidth = 24;
     m_defaultHeight = 22;
     m_defaultWidth = 24;
     m_defaultHeight = 22;
-    SetName(name);
+    m_toolPacking = 2;
+    m_toolSeparation = 8;
+    m_xMargin = 2;
+    m_yMargin = 2;
+    m_maxRows = 100;
+    m_maxCols = 100;
+}
+
+bool wxToolBar::Create(wxWindow *parent,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       long style,
+                       const wxString& name)
+{
+    Init();
+
+    m_windowId = id;
 
 
+    SetName(name);
+    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+    m_foregroundColour = parent->GetForegroundColour();
     m_windowStyle = style;
 
     SetParent(parent);
 
     if (parent) parent->AddChild(this);
 
     m_windowStyle = style;
 
     SetParent(parent);
 
     if (parent) parent->AddChild(this);
 
-    // TODO create toolbar
-  
-    return FALSE;
+    Widget parentWidget = (Widget) parent->GetClientWidget();
+
+    Widget toolbar = XtVaCreateManagedWidget("toolbar",
+                    xmBulletinBoardWidgetClass, (Widget) parentWidget,
+                    XmNmarginWidth, 0,
+                    XmNmarginHeight, 0,
+                    XmNresizePolicy, XmRESIZE_NONE,
+                    NULL);
+/*
+    Widget toolbar = XtVaCreateManagedWidget("toolbar",
+                xmFormWidgetClass, (Widget) m_clientWidget,
+                XmNtraversalOn, False,
+                XmNhorizontalSpacing, 0,
+                XmNverticalSpacing, 0,
+                XmNleftOffset, 0,
+                XmNrightOffset, 0,
+                XmNmarginWidth, 0,
+                XmNmarginHeight, 0,
+                NULL);
+*/
+
+    m_mainWidget = (WXWidget) toolbar;
+
+    m_font = parent->GetFont();
+    ChangeFont(FALSE);
+
+    SetCanAddEventHandler(TRUE);
+    AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
+
+    ChangeBackgroundColour();
+
+    return TRUE;
 }
 
 wxToolBar::~wxToolBar()
 {
 }
 
 wxToolBar::~wxToolBar()
 {
-    // TODO
+    delete wxTheToolBarTimer;
+    wxTheToolBarTimer = NULL;
 }
 
 }
 
-bool wxToolBar::CreateTools()
+bool wxToolBar::Realize()
 {
 {
-    if (m_tools.Number() == 0)
-        return FALSE;
+    if ( m_tools.GetCount() == 0 )
+    {
+        // nothing to do
+        return TRUE;
+    }
+
+    // Separator spacing
+    const int separatorSize = GetToolSeparation(); // 8;
+    wxSize margins = GetToolMargins();
+    int packing = GetToolPacking();
+    int marginX = margins.x;
+    int marginY = margins.y;
+
+    int currentX = marginX;
+    int currentY = marginY;
+
+    int buttonHeight = 0;
+
+    int currentSpacing = 0;
+
+    Widget button;
+    Pixmap pixmap, insensPixmap;
+    wxBitmap bmp;
+
+    wxToolBarToolsList::Node *node = m_tools.GetFirst();
+    while ( node )
+    {
+        wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
+
+        switch ( tool->GetStyle() )
+        {
+            case wxTOOL_STYLE_CONTROL:
+            {
+                wxControl* control = tool->GetControl();
+                wxSize sz = control->GetSize();
+                wxPoint pos = control->GetPosition();
+                control->Move(currentX, pos.y);
+                currentX += sz.x + packing;
+
+                break;
+            }
+            case wxTOOL_STYLE_SEPARATOR:
+                currentX += separatorSize;
+                break;
+
+            case wxTOOL_STYLE_BUTTON:
+                button = (Widget) 0;
+
+                if ( tool->CanBeToggled() )
+                {
+                    button = XtVaCreateWidget("toggleButton",
+                            xmToggleButtonWidgetClass, (Widget) m_mainWidget,
+                            XmNx, currentX, XmNy, currentY,
+                            XmNindicatorOn, False,
+                            XmNshadowThickness, 2,
+                            XmNborderWidth, 0,
+                            XmNspacing, 0,
+                            XmNmarginWidth, 0,
+                            XmNmarginHeight, 0,
+                            XmNmultiClick, XmMULTICLICK_KEEP,
+                            XmNlabelType, XmPIXMAP,
+                            NULL);
+                    XtAddCallback ((Widget) button, XmNvalueChangedCallback, (XtCallbackProc) wxToolButtonCallback,
+                            (XtPointer) this);
 
 
-    // TODO
-    return FALSE;
+                    XtVaSetValues ((Widget) button,
+                            XmNselectColor, m_backgroundColour.AllocColour(XtDisplay((Widget) button)),
+                            NULL);
+                }
+                else
+                {
+                    button = XtVaCreateWidget("button",
+                            xmPushButtonWidgetClass, (Widget) m_mainWidget,
+                            XmNx, currentX, XmNy, currentY,
+                            XmNpushButtonEnabled, True,
+                            XmNmultiClick, XmMULTICLICK_KEEP,
+                            XmNlabelType, XmPIXMAP,
+                            NULL);
+                    XtAddCallback (button,
+                            XmNactivateCallback, (XtCallbackProc) wxToolButtonCallback,
+                            (XtPointer) this);
+                }
+
+                DoChangeBackgroundColour((WXWidget) button, m_backgroundColour, TRUE);
+
+                tool->SetWidget(button);
+
+                // For each button, if there is a mask, we must create
+                // a new wxBitmap that has the correct background colour
+                // for the button. Otherwise the background will just be
+                // e.g. black if a transparent XPM has been loaded.
+                bmp = tool->GetBitmap1();
+                if ( bmp.GetMask() )
+                {
+                    int backgroundPixel;
+                    XtVaGetValues(button, XmNbackground, &backgroundPixel,
+                            NULL);
+
+                    wxColour col;
+                    col.SetPixel(backgroundPixel);
+
+                    bmp = wxCreateMaskedBitmap(bmp, col);
+
+                    tool->SetBitmap1(bmp);
+                }
+
+                // Create a selected/toggled bitmap. If there isn't a 2nd
+                // bitmap, we need to create it (with a darker, selected
+                // background)
+                int backgroundPixel;
+                if ( tool->CanBeToggled() )
+                    XtVaGetValues(button, XmNselectColor, &backgroundPixel,
+                            NULL);
+                else
+                    XtVaGetValues(button, XmNarmColor, &backgroundPixel,
+                            NULL);
+
+                wxColour col;
+                col.SetPixel(backgroundPixel);
+
+                if (tool->GetBitmap2().Ok() && tool->GetBitmap2().GetMask())
+                {
+                    // Use what's there
+                    wxBitmap newBitmap = wxCreateMaskedBitmap(tool->GetBitmap2(), col);
+                    tool->SetBitmap2(newBitmap);
+                }
+                else
+                {
+                    // Use unselected bitmap
+                    if ( bmp.GetMask() )
+                    {
+                        wxBitmap newBitmap = wxCreateMaskedBitmap(bmp, col);
+                        tool->SetBitmap2(newBitmap);
+                    }
+                    else
+                        tool->SetBitmap2(bmp);
+                }
+
+                pixmap = (Pixmap) bmp.GetPixmap();
+                insensPixmap = (Pixmap) bmp.GetInsensPixmap();
+
+                if (tool->CanBeToggled())
+                {
+                    // Toggle button
+                    Pixmap pixmap2 = (Pixmap) 0;
+                    Pixmap insensPixmap2 = (Pixmap) 0;
+
+                    // If there's a bitmap for the toggled state, use it,
+                    // otherwise generate one.
+                    if (tool->GetBitmap2().Ok())
+                    {
+                        wxBitmap bmp2 = tool->GetBitmap2();
+                        pixmap2 = (Pixmap) bmp2.GetPixmap();
+                        insensPixmap2 = (Pixmap) bmp2.GetInsensPixmap();
+                    }
+                    else
+                    {
+                        pixmap2 = (Pixmap) bmp.GetArmPixmap(button);
+                        insensPixmap2 = XCreateInsensitivePixmap((Display*) wxGetDisplay(), pixmap2);
+                    }
+
+                    tool->SetPixmap(pixmap2);
+
+                    XtVaSetValues (button,
+                            XmNfillOnSelect, True,
+                            XmNlabelPixmap, pixmap,
+                            XmNselectPixmap, pixmap2,
+                            XmNlabelInsensitivePixmap, insensPixmap,
+                            XmNselectInsensitivePixmap, insensPixmap2,
+                            XmNlabelType, XmPIXMAP,
+                            NULL);
+                }
+                else
+                {
+                    Pixmap pixmap2 = (Pixmap) 0;
+
+                    // If there's a bitmap for the armed state, use it,
+                    // otherwise generate one.
+                    if (tool->GetBitmap2().Ok())
+                    {
+                        pixmap2 = (Pixmap) tool->GetBitmap2().GetPixmap();
+                    }
+                    else
+                    {
+                        pixmap2 = (Pixmap) bmp.GetArmPixmap(button);
+
+                    }
+
+                    tool->SetPixmap(pixmap2);
+
+                    // Normal button
+                    XtVaSetValues(button,
+                            XmNlabelPixmap, pixmap,
+                            XmNlabelInsensitivePixmap, insensPixmap,
+                            XmNarmPixmap, pixmap2,
+                            NULL);
+                }
+
+                XtManageChild(button);
+
+                {
+                    Dimension width, height;
+                    XtVaGetValues(button,
+                                  XmNwidth, &width,
+                                  XmNheight, & height,
+                                  NULL);
+                    currentX += width + packing;
+                    buttonHeight = wxMax(buttonHeight, height);
+                }
+
+                XtAddEventHandler (button, EnterWindowMask | LeaveWindowMask,
+                        False, wxToolButtonPopupCallback, (XtPointer) this);
+
+                currentSpacing = 0;
+                break;
+        }
+
+        node = node->GetNext();
+    }
+
+    SetSize(-1, -1, currentX, buttonHeight + 2*marginY);
+
+    return TRUE;
 }
 
 }
 
-void wxToolBar::SetToolBitmapSize(const wxSize& size)
+wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord WXUNUSED(x),
+                                                  wxCoord WXUNUSED(y)) const
 {
 {
-    m_defaultWidth = size.x; m_defaultHeight = size.y;
-    // TODO
+    wxFAIL_MSG( _T("TODO") );
+
+    return (wxToolBarToolBase *)NULL;
 }
 
 }
 
-wxSize wxToolBar::GetMaxSize() const
+bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
 {
 {
-    // TODO
-    return wxSize(0, 0);
+    tool->Attach(this);
+
+    return TRUE;
 }
 
 }
 
-// The button size is bigger than the bitmap size
-wxSize wxToolBar::GetToolSize() const
+bool wxToolBar::DoDeleteTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
 {
 {
-    // TODO
-    return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
+    tool->Detach();
+
+    return TRUE;
 }
 
 }
 
-void wxToolBar::EnableTool(int toolIndex, bool enable)
+void wxToolBar::DoEnableTool(wxToolBarToolBase *toolBase, bool enable)
 {
 {
-    wxNode *node = m_tools.Find((long)toolIndex);
-    if (node)
-    {
-        wxToolBarTool *tool = (wxToolBarTool *)node->Data();
-        tool->m_enabled = enable;
-        // TODO enable button
-    }
+    wxToolBarTool *tool = (wxToolBarTool *)toolBase;
+
+    XtSetSensitive(tool->GetButtonWidget(), (Boolean) enable);
+}
+
+void wxToolBar::DoToggleTool(wxToolBarToolBase *toolBase, bool toggle)
+{
+    wxToolBarTool *tool = (wxToolBarTool *)toolBase;
+
+    XmToggleButtonSetState(tool->GetButtonWidget(), (Boolean) toggle, False);
 }
 
 }
 
-void wxToolBar::ToggleTool(int toolIndex, bool toggle)
+void wxToolBar::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
+                            bool WXUNUSED(toggle))
 {
 {
-    wxNode *node = m_tools.Find((long)toolIndex);
-    if (node)
+    // nothing to do
+}
+
+// ----------------------------------------------------------------------------
+// Motif callbacks
+// ----------------------------------------------------------------------------
+
+wxToolBarToolBase *wxToolBar::FindToolByWidget(WXWidget w) const
+{
+    wxToolBarToolsList::Node* node = m_tools.GetFirst();
+    while ( node )
     {
     {
-        wxToolBarTool *tool = (wxToolBarTool *)node->Data();
-        if (tool->m_isToggle)
+        wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
+        if ( tool->GetButtonWidget() == w)
         {
         {
-            tool->m_toggleState = toggle;
-            // TODO: set toggle state
+            return tool;
         }
         }
+
+        node = node->GetNext();
     }
     }
+
+    return (wxToolBarToolBase *)NULL;
 }
 
 }
 
-void wxToolBar::ClearTools()
+static void wxToolButtonCallback(Widget w,
+                                 XtPointer clientData,
+                                 XtPointer WXUNUSED(ptr))
 {
 {
-    // TODO
-    wxToolBarBase::ClearTools();
+    wxToolBar *toolBar = (wxToolBar *) clientData;
+    wxToolBarToolBase *tool = toolBar->FindToolByWidget((WXWidget) w);
+    if ( !tool )
+        return;
+
+    if ( tool->CanBeToggled() )
+        tool->Toggle();
+
+    if ( !toolBar->OnLeftClick(tool->GetId(), tool->IsToggled()) )
+    {
+        // revert
+        tool->Toggle();
+    }
 }
 
 }
 
-// If pushedBitmap is NULL, a reversed version of bitmap is
-// created and used as the pushed/toggled image.
-// If toggle is TRUE, the button toggles between the two states.
 
 
-wxToolBarTool *wxToolBar::AddTool(int index, const wxBitmap& bitmap, const wxBitmap& pushedBitmap,
-             bool toggle, long xPos, long yPos, wxObject *clientData, const wxString& helpString1, const wxString& helpString2)
+static void wxToolButtonPopupCallback(Widget w,
+                                      XtPointer client_data,
+                                      XEvent *event,
+                                      Boolean *WXUNUSED(continue_to_dispatch))
+{
+    // TODO: retrieve delay before popping up tooltip from wxSystemSettings.
+    static const int delayMilli = 800;
+
+    wxToolBar* toolBar = (wxToolBar*) client_data;
+    wxToolBarToolBase *tool = toolBar->FindToolByWidget((WXWidget) w);
+
+    if ( !tool )
+        return;
+
+    wxString tooltip = tool->GetShortHelp();
+    if ( !tooltip )
+        return;
+
+    if (!wxTheToolBarTimer)
+        wxTheToolBarTimer = new wxToolBarTimer;
+
+    wxToolBarTimer::buttonWidget = w;
+    wxToolBarTimer::helpString = tooltip;
+
+    /************************************************************/
+    /* Popup help label                                         */
+    /************************************************************/
+    if (event->type == EnterNotify)
+    {
+        if (wxToolBarTimer::help_popup != (Widget) 0)
+        {
+            XtDestroyWidget (wxToolBarTimer::help_popup);
+            XtPopdown (wxToolBarTimer::help_popup);
+        }
+        wxToolBarTimer::help_popup = (Widget) 0;
+
+        // One shot
+        wxTheToolBarTimer->Start(delayMilli, TRUE);
+
+    }
+    /************************************************************/
+    /* Popdown help label                                       */
+    /************************************************************/
+    else if (event->type == LeaveNotify)
+    {
+        if (wxTheToolBarTimer)
+            wxTheToolBarTimer->Stop();
+        if (wxToolBarTimer::help_popup != (Widget) 0)
+        {
+            XtDestroyWidget (wxToolBarTimer::help_popup);
+            XtPopdown (wxToolBarTimer::help_popup);
+        }
+        wxToolBarTimer::help_popup = (Widget) 0;
+    }
+}
+
+void wxToolBarTimer::Notify()
 {
 {
-  wxToolBarTool *tool = new wxToolBarTool(index, bitmap, (wxBitmap *)NULL, toggle, xPos, yPos, helpString1, helpString2);
-  tool->m_clientData = clientData;
+    Position x, y;
+
+        /************************************************************/
+        /* Create shell without window decorations                  */
+        /************************************************************/
+        help_popup = XtVaCreatePopupShell ("shell",
+                                           overrideShellWidgetClass, (Widget) wxTheApp->GetTopLevelWidget(),
+                                           NULL);
+
+        /************************************************************/
+        /* Get absolute position on display of toolbar button       */
+        /************************************************************/
+        XtTranslateCoords (buttonWidget,
+                           (Position) 0,
+                           (Position) 0,
+                           &x, &y);
 
 
-  if (xPos > -1)
-    tool->m_x = xPos;
-  else
-    tool->m_x = m_xMargin;
+        // Move the tooltip more or less above the button
+        int yOffset = 20; // TODO: What should be really?
+        y -= yOffset;
+        if (y < yOffset) y = 0;
 
 
-  if (yPos > -1)
-    tool->m_y = yPos;
-  else
-    tool->m_y = m_yMargin;
+        /************************************************************/
+        /* Set the position of the help popup                       */
+        /************************************************************/
+        XtVaSetValues (help_popup,
+                       XmNx, (Position) x,
+                       XmNy, (Position) y,
+                       NULL);
 
 
-  tool->SetSize(GetDefaultButtonWidth(), GetDefaultButtonHeight());
+        /************************************************************/
+        /* Create help label                                        */
+        /************************************************************/
+        XmString text = XmStringCreateSimple ((char*) (const char*) helpString);
+        XtVaCreateManagedWidget ("help_label",
+                                 xmLabelWidgetClass, help_popup,
+                                 XmNlabelString, text,
+                                 XtVaTypedArg,
+                                 XmNforeground, XtRString, "black",
+                                                strlen("black")+1,
+                                 XtVaTypedArg,
+                                 XmNbackground, XtRString, "LightGoldenrod",
+                                                strlen("LightGoldenrod")+1,
+                                 NULL);
+        XmStringFree (text);
 
 
-  m_tools.Append((long)index, tool);
-  return tool;
+        /************************************************************/
+        /* Popup help label                                         */
+        /************************************************************/
+        XtPopup (help_popup, XtGrabNone);
 }
 
 }