/////////////////////////////////////////////////////////////////////////////
// Name:        tbargtk.cpp
// Purpose:     GTK toolbar
// Author:      Robert Roebling
// RCS-ID:      $Id$
// Copyright:   (c) Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "tbargtk.h"
#endif

#include "wx/toolbar.h"

//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------

extern bool   g_blockEventsOnDrag;

//-----------------------------------------------------------------------------
// wxToolBarTool
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxToolBarTool,wxObject)

wxToolBarTool::wxToolBarTool( wxToolBar *owner, int theIndex,
                              const wxBitmap& bitmap1, const  wxBitmap& bitmap2,
                              bool toggle, 
                              wxObject *clientData,
                              const wxString& shortHelpString,
                              const wxString& longHelpString,
                              GtkWidget *item  )
{
  m_owner = owner;
  m_index = theIndex;
  m_bitmap1 = bitmap1;
  m_bitmap2 = bitmap2;
  m_isToggle = toggle;
  m_enabled = TRUE;
  m_toggleState = FALSE;
  m_shortHelpString = shortHelpString;
  m_longHelpString = longHelpString;
  m_isMenuCommand = TRUE;
  m_clientData = clientData;
  m_deleteSecondBitmap = FALSE;
  m_item = item;
}

wxToolBarTool::~wxToolBarTool()
{
}

//-----------------------------------------------------------------------------
// "clicked" (internal from gtk_toolbar)
//-----------------------------------------------------------------------------

static void gtk_toolbar_callback( GtkWidget *WXUNUSED(widget), wxToolBarTool *tool )
{
  if (g_blockEventsOnDrag) return;
  if (!tool->m_enabled) return;

  if (tool->m_isToggle) tool->m_toggleState = !tool->m_toggleState;

  tool->m_owner->OnLeftClick( tool->m_index, tool->m_toggleState );
}

//-----------------------------------------------------------------------------
// "enter_notify_event"
//-----------------------------------------------------------------------------

static gint gtk_toolbar_enter_callback( GtkWidget *WXUNUSED(widget), 
  GdkEventCrossing *WXUNUSED(gdk_event), wxToolBarTool *tool )
{
  if (g_blockEventsOnDrag) return TRUE;
  
  tool->m_owner->OnMouseEnter( tool->m_index );
  
  return FALSE;
}

//-----------------------------------------------------------------------------
// wxToolBar
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxToolBar,wxControl)

wxToolBar::wxToolBar()
{
}

wxToolBar::wxToolBar( wxWindow *parent, wxWindowID id,
  const wxPoint& pos, const wxSize& size,
  long style, const wxString& name )
{
  Create( parent, id, pos, size, style, name );
}

wxToolBar::~wxToolBar()
{
}

bool wxToolBar::Create( wxWindow *parent, wxWindowID id,
  const wxPoint& pos, const wxSize& size,
  long style, const wxString& name )
{
  m_needParent = TRUE;

  PreCreation( parent, id, pos, size, style, name );

  m_tools.DeleteContents( TRUE );

  m_toolbar = GTK_TOOLBAR( gtk_toolbar_new( GTK_ORIENTATION_HORIZONTAL,
                                            GTK_TOOLBAR_ICONS ) );

  m_widget = GTK_WIDGET(m_toolbar);					    
					    
  gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );

  m_parent->AddChild( this );

  (m_parent->m_insertCallback)( m_parent, this );
  
  PostCreation();

  Show( TRUE );

  return TRUE;
}

bool wxToolBar::OnLeftClick( int toolIndex, bool toggleDown )
{
  wxCommandEvent event( wxEVT_COMMAND_TOOL_CLICKED, toolIndex );
  event.SetEventObject(this);
  event.SetInt( toolIndex );
  event.SetExtraLong((long) toggleDown);

  GetEventHandler()->ProcessEvent(event);

  return TRUE;
}

void wxToolBar::OnRightClick( int toolIndex, float WXUNUSED(x), float WXUNUSED(y) )
{
  wxCommandEvent event( wxEVT_COMMAND_TOOL_RCLICKED, toolIndex );
  event.SetEventObject( this );
  event.SetInt( toolIndex );

  GetEventHandler()->ProcessEvent(event);
}

void wxToolBar::OnMouseEnter( int toolIndex )
{
  wxCommandEvent event( wxEVT_COMMAND_TOOL_ENTER, GetId() );
  event.SetEventObject(this);
  event.SetInt( toolIndex );
  
  GetEventHandler()->ProcessEvent(event);
}

wxToolBarTool *wxToolBar::AddTool( int toolIndex, const wxBitmap& bitmap,
  const wxBitmap& pushedBitmap, bool toggle,
  float WXUNUSED(xPos), float WXUNUSED(yPos), wxObject *clientData,
  const wxString& helpString1, const wxString& helpString2 )
{
  wxCHECK_MSG( bitmap.Ok(), (wxToolBarTool *)NULL,
               "invalid bitmap for wxToolBar icon" );

  wxToolBarTool *tool = new wxToolBarTool( this, toolIndex, bitmap, pushedBitmap,
                                           toggle, clientData,
                                           helpString1, helpString2 );

  wxCHECK_MSG( bitmap.GetBitmap() == NULL, (wxToolBarTool *)NULL,
               "wxToolBar doesn't support GdkBitmap" );

  wxCHECK_MSG( bitmap.GetPixmap() != NULL, (wxToolBarTool *)NULL,
               "wxToolBar::Add needs a wxBitmap" );
  
  GtkWidget *tool_pixmap = (GtkWidget *)NULL;
  
  if (TRUE) // FIXME huh?
  {
    GdkPixmap *pixmap = bitmap.GetPixmap();

    GdkBitmap *mask = (GdkBitmap *)NULL;
    if ( bitmap.GetMask() )
      mask = bitmap.GetMask()->GetBitmap();
    
    tool_pixmap = gtk_pixmap_new( pixmap, mask );
  }
  
  gtk_misc_set_alignment( GTK_MISC(tool_pixmap), 0.5, 0.5 );

  GtkToolbarChildType ctype = toggle ? GTK_TOOLBAR_CHILD_TOGGLEBUTTON
                                     : GTK_TOOLBAR_CHILD_BUTTON;

  GtkWidget *item = gtk_toolbar_append_element
                     (
                      GTK_TOOLBAR(m_toolbar),
                      ctype,
                      (GtkWidget *)NULL,
                      (const char *)NULL,
                      helpString1,
                      "",
                      tool_pixmap,
                      (GtkSignalFunc)gtk_toolbar_callback,
                      (gpointer)tool
                     );

  tool->m_item = item;

  gtk_signal_connect( GTK_OBJECT(tool->m_item),
                      "enter_notify_event", 
                      GTK_SIGNAL_FUNC(gtk_toolbar_enter_callback),
                      (gpointer)tool );

  m_tools.Append( tool );

  return tool;
}

void wxToolBar::AddSeparator()
{
  gtk_toolbar_append_space( m_toolbar );
}

void wxToolBar::ClearTools()
{
  wxFAIL_MSG( "wxToolBar::ClearTools not implemented" );
}

void wxToolBar::Realize()
{
  m_x = 0;
  m_y = 0;
  m_width = 100;
  m_height = 0;
  
  wxNode *node = m_tools.First();
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool*)node->Data();
    if (tool->m_bitmap1.Ok())
    {
      int tool_height = tool->m_bitmap1.GetHeight();
      if (tool_height > m_height) m_height = tool_height;
    }
    
    node = node->Next();
  }
  
  m_height += 10;
}

void wxToolBar::EnableTool(int toolIndex, bool enable)
{
  wxNode *node = m_tools.First();
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool*)node->Data();
    if (tool->m_index == toolIndex)
    { 
      tool->m_enabled = enable;
      return;
    }
    node = node->Next();
  }
  
  wxFAIL_MSG( "wrong toolbar index" );
}

void wxToolBar::ToggleTool( int toolIndex, bool toggle ) 
{
  wxNode *node = m_tools.First();
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool*)node->Data();
    if (tool->m_index == toolIndex)
    { 
      tool->m_toggleState = toggle;
      if ((tool->m_item) && (GTK_IS_TOGGLE_BUTTON(tool->m_item)))
        gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(tool->m_item), toggle );
      return;
    }
    node = node->Next();
  }
  
  wxFAIL_MSG( "wrong toolbar index" );
}

wxObject *wxToolBar::GetToolClientData( int index ) const
{
  wxNode *node = m_tools.First();
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool*)node->Data();
    if (tool->m_index == index) return tool->m_clientData;;
    node = node->Next();
  }
  
  wxFAIL_MSG( "wrong toolbar index" );
  
  return (wxObject*)NULL;
}

bool wxToolBar::GetToolState(int toolIndex) const
{
  wxNode *node = m_tools.First();
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool*)node->Data();
    if (tool->m_index == toolIndex) return tool->m_toggleState;
    node = node->Next();
  }
  
  wxFAIL_MSG( "wrong toolbar index" );
  
  return FALSE;
}

bool wxToolBar::GetToolEnabled(int toolIndex) const
{
  wxNode *node = m_tools.First();
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool*)node->Data();
    if (tool->m_index == toolIndex) return tool->m_enabled;
    node = node->Next();
  }
  
  wxFAIL_MSG( "wrong toolbar index" );
  
  return FALSE;
}

void wxToolBar::SetMargins( int WXUNUSED(x), int WXUNUSED(y) )
{
  wxFAIL_MSG( "wxToolBar::SetMargins not implemented" );
}

void wxToolBar::SetToolPacking( int WXUNUSED(packing) )
{
  wxFAIL_MSG( "wxToolBar::SetToolPacking not implemented" );
}

void wxToolBar::SetToolSeparation( int separation )
{
  gtk_toolbar_set_space_size( m_toolbar, separation );
}