source: orxonox.OLD/orxonox/trunk/src/lib/gui/gui_gtk.cc @ 4918

/* 
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  


   ### File Specific:
   main-programmer: Benjamin Grauer

*/


#include "gui_gtk.h"

#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>

using namespace std;

#include "gui_flags.h"
#include "gui_exec.h"

extern GuiFlags* flags;

char* executable;

/**
 *  Initializes the Guis GTK-stuff.
 * @param argc the argument count.
 * @param argv The Argument strings.
*/
bool initGUI(int argc, char *argv[])
{
  if (argv)
    {
      executable = new char[strlen(argv[0])+1];
      strcpy(executable, argv[0]);
    }
  else
    executable = NULL;

#ifdef HAVE_GTK2
  gtk_init(&argc, &argv);
#include "rc"
  gtk_rc_parse_string( rc_string );
#endif /* HAVE_GTK2 */
}

/**
 *  enters the GUI's main-loop
*/
bool mainloopGUI()
{
#ifdef HAVE_GTK2
  gtk_main();
#else /* HAVE_GTK2 */
  char boolAns = 'y';
  char ans[1000];
  PRINT(0)("================================\n");
  PRINT(0)("= ORXONOX CONFIGURATION WIZARD =\n");
  PRINT(0)("================================ - v." PACKAGE_VERSION "\n");

  while(true)
    {
      PRINT(0)("\n Listing all the Orxonox Options: \n");
      PRINT(0)("  #############################\n");
      Window::mainWindow->walkThrough(Widget::listOptionsAndGroups, 1);
      
      PRINT(0)("\nDo you want change any of the above values now? [Yn] ");
      scanf("%s", ans);
      if (ans[0] =='n' || ans[0]=='N')
        break;
      
      PRINT(0)("\n Listing all groups\n");
      PRINT(0)("  #################\n");
      int groupCount = 0;
      Window::mainWindow->walkThrough(Widget::listGroups, &groupCount, 1);
      
      PRINT(0)("\nIn which Group? [1-%d] ", groupCount);
      Packer* group;
      while(true)
        {
          scanf("%s", ans);
          int ansIp = atoi(ans);
          if (ansIp <= groupCount)
            {
              group = static_cast<Packer*>(Window::mainWindow->findGroupByNumber(&ansIp, 1));
              break;
            }
          else
            PRINT(0)("\nChoose a smaller Number please: [1-%d] ", groupCount);
        }
      PRINT(0)("\n\nGroup: [%s]\n\n", group->groupName);
      int optionCount = 0;
      group->walkThrough(Widget::listOptions, &optionCount, 0);
      PRINT(0)("\nWhich Option? [1-%d] ", optionCount);
      Option* option;
      while(true)
        {
          scanf("%s", ans);
          int ansIp = atoi(ans);
          if (ansIp <= groupCount)
            {
              option = static_cast<Option*>(group->findOptionByNumber(&ansIp, 0));
              break;
            }
          else
            PRINT(0)("\nChoose a smaler Number please: [1-%d] ", optionCount);
        }
      PRINT(0)("\n\n:: %s ::\n", option->title);
      option->changeOption();
      
      // here follows the rest.... this will be nasty.
      //! @todo finish it.
      //! @todo memory leek at save(); and save is a BAD word, use saveString instead, or something like it.
    }
#endif /* HAVE_GTK2 */
  
}


//////////////////////////////
/// DEFINING WIDGET-CLASES ///
//////////////////////////////

////////////
/* WIDGET */
////////////
/**
 *  constructs a Widget
*/
Widget::Widget()
{
  next = NULL;
  this->title = NULL;
}

/**
 *  deletes any given Widget
   This is still pretty crappy.
*/
Widget::~Widget()
{
  if (this->title)
    {
      delete []this->title;
    }
  
  PRINTF(5)("deleting the Widget part.\n");

  // deleting next item if existent
  if (this->next)
    delete this->next;
  this->next = NULL;

  //!  @todo not hiding widget, deleting.
  //  this->hide();
  // gtk_destroy_widget(this->widget);
}

/**
 *  sets a new Title to a Widget
 * @param title The new Title to set to the Widget
*/
void Widget::setTitle(const char* title)
{
  if (this->title)
    delete []this->title;
  this->title = new char[strlen(title)+1];
  strcpy(this->title, title);
}

/**
 *  makes the widget visible.
*/
void Widget::show()
{
#ifdef HAVE_GTK2
  gtk_widget_show(this->widget);
#endif /* HAVE_GTK2 */
}

/**
 *  hides the widget.
*/
void Widget::hide()
{
#ifdef HAVE_GTK2
  gtk_widget_hide(this->widget);
#endif /* HAVE_GTK2 */
}

/**
 *  Sets the resolution of a specific widget to the given size.
 * @param width the width of the widget to set.
 * @param height the height of the widget to set.
*/
void Widget::setSize(int width, int height)
{
#ifdef HAVE_GTK2
  gtk_widget_set_usize(this->widget, width, height);
#endif /* HAVE_GTK2 */
}

/**
 *  searches through widgets for a Name.
*/
Widget* Widget::findWidgetByName(char* name, unsigned int depth)
{

  if (this->title && !strcmp(this->title, name))
    return this;

  if (this->optionType < GUI_NOTHING && static_cast<Packer*>(this)->down)
    {
      Widget* tmp = static_cast<Packer*>(this)->down->findWidgetByName(name, depth+1);
      if (tmp)
        return tmp;
    }
  
  if (depth>0 && this->next)
    return this->next->findWidgetByName(name, depth);

  return NULL;
}

/**
 *  Moves through all the Widgets downwards from this and executes the function on them.
 * @param function must be of type void and takes a Widget* as an Input. 
 * @param depth the current depth. if > 0 then the next Widget will also be walked through.
*/
void Widget::walkThrough(void(*function)(Widget*), unsigned int depth)
{
  function(this);
  if (this->optionType < GUI_NOTHING)
    {
      static_cast<Packer*>(this)->down->walkThrough(function, depth+1);
    } 

  if (this->next && depth != 0)
    this->next->walkThrough(function, depth);
}

/**
 *  Moves through all the Widgets downwards from this and executes the function on them.
 * @param function must be of type void and takes a Widget* as an Input.
 * @param data Additional Data you want to pass to the function.
 * @param depth the current depth. if > 0 then the next Widget will also be walked through.
*/
void Widget::walkThrough(void(*function)(Widget*, void*), void* data, unsigned int depth)
{
  function(this, data);
  if (this->optionType < GUI_NOTHING)
    {
      static_cast<Packer*>(this)->down->walkThrough(function, data, depth+1);
    }
  if (this->next && depth != 0)
    this->next->walkThrough(function, data, depth);
}

/** 
  *  This is for listing the options of "widget"
  * @param widget specifies the widget that should be listed
*/
void Widget::listOptionsAndGroups(Widget* widget)
{
  if (widget->optionType < GUI_NOTHING && static_cast<Packer*>(widget)->groupName)
    PRINT(0)("[%s]\n", static_cast<Packer*>(widget)->groupName);
  if (widget->optionType > GUI_NOTHING)
    {
      Widget::listOptions(widget);
    }
}

/** 
  *  This is for listing the options of "widget"
  * @param widget specifies the widget that should be listed
*/
void Widget::listOptions(Widget* widget)
{
  if(widget->optionType > GUI_NOTHING)
    PRINT(0)("  %s is %s\n", static_cast<Option*>(widget)->title, static_cast<Option*>(widget)->save());
}

/** 
  *  This is for listing the options of "widget"
  * @param widget specifies the widget that should be listed
  * @param data A Counter, that always knows how many Options have been found yet.
*/
void Widget::listOptions(Widget* widget, void* data)
{
  
  if (widget->optionType > GUI_NOTHING)
    {
      int* count =(int*)data;
      *count = *count +1;
      PRINT(0)(" %d:%s is %s\n", *count,
               static_cast<Option*>(widget)->title,
               static_cast<Option*>(widget)->save());
    }
}

/** 
  *  This is for listing the options of "widget"
  * @param widget specifies the widget that should be listed
  * @param data A Counter, that always knows how many Options have been found yet.
*/
void Widget::printHelp(Widget* widget)
{
  int helpLen=0;

  if (widget->optionType > GUI_NOTHING)
    {
      Option* option = (Option*)widget;
      if (option->flagName || option->flagNameShort)
        {
          PRINT(0)("  ");
          if (option->flagNameShort)
            {
              PRINT(0)("-%s", option->flagNameShort);
              helpLen += strlen(option->flagNameShort)+1;
            }
          if (option->flagName)
            {
              if (helpLen > 0)
                {
                  PRINT(0)("|");
                  helpLen++;
                }
              PRINT(0)("--%s:", option->flagName);
              helpLen += strlen(option->flagName)+2;
            }
          while ((helpLen ++) < 29)
            PRINT(0)(" ");
          if (option->shortDescription)
            PRINT(0)("%s\n", option->shortDescription);
          else
            PRINT(0)("\n");
        }
    }
}

/** 
  *  Finds an Option by a given number(the n'th option found away from this Widget)
  * @param number The Count of options to wait(by reference)
  * @param depth The depth of the sarch. if 0 it will not search next pointer
    
    @todo should return Option* would be much sexier.
*/
Widget* Widget::findOptionByNumber(int* number, unsigned int depth)
{
  if (optionType > GUI_NOTHING)
    {
      --*number;
      if (*number <= 0)
        {
          return this;
        }
    }
  if (this->optionType < GUI_NOTHING && static_cast<Packer*>(this)->down)
    {
      Widget* tmp = static_cast<Packer*>(this)->down->findOptionByNumber(number, depth+1);
      if (tmp)
        return tmp;
    }
  if (depth>0 && this->next)
    return this->next->findOptionByNumber(number, depth);

  return NULL;
}

/** 
  *  This is for listing the groups of "widget"
  * @param widget specifies the widget that should be listed
*/
void Widget::listGroups(Widget* widget)
{
  if (widget->optionType < GUI_NOTHING && static_cast<Packer*>(widget)->groupName)
    PRINT(0)("[%s]\n", static_cast<Packer*>(widget)->groupName);
}

/** 
  *  This is for listing the Groups of "widget". It also displays the n'th number found.
  * @param widget specifies the widget that should be listed
  * @param data the Counter, that will show the number(this function will raise it by one if a Group is fount.
*/
void Widget::listGroups(Widget* widget, void* data)
{
  int* count = (int*)data;
  if (widget->optionType < GUI_NOTHING && static_cast<Packer*>(widget)->groupName)
    PRINT(0)("%d: [%s]\n", ++*count, static_cast<Packer*>(widget)->groupName);
}

/** 
  *  Finds a Group by a given number(the n'th Group found away from this Widget)
  * @param number The Count of options to wait(by reference)
  * @param depth The depth of the sarch. if 0 it will not search next pointer
*/
Widget* Widget::findGroupByNumber(int* number, unsigned int depth)
{
  if (optionType < GUI_NOTHING && static_cast<Packer*>(this)->groupName)
    {
      --*number;
      if (*number <= 0)
        {
          return this;
        }
    }
  if (this->optionType < GUI_NOTHING && static_cast<Packer*>(this)->down)
    {
      Widget* tmp = static_cast<Packer*>(this)->down->findGroupByNumber(number, depth+1);
      if (tmp)
        return tmp;
    }
  if (depth>0 && this->next)
    return this->next->findGroupByNumber(number, depth);

  return NULL;
}

/**
  *  This is for setting the option of "widget"
  * @param widget specifies the widget that should be set.
*/
void Widget::setOptions(Widget* widget)
{
  if (widget->optionType > GUI_NOTHING)
    static_cast<Option*>(widget)->redraw();
}

/**
 *  redraws all the Widgets down from widget
 * @param widget The topmost Widget
 * @param data ...
*/
void Widget::redrawOptions(Widget* widget)
{
  if (widget->optionType > GUI_NOTHING)
    static_cast<Option*>(widget)->redraw();
}

/**
 *  Walks through all the Flags given at startuptime.
*/
void Widget::flagCheck(Widget* widget, void* flagName)
{
  if (widget->optionType > GUI_NOTHING)
    {      
      Option* option =(Option*)widget;
      char* name =(char*)flagName;
      char* value = NULL;
      bool found = false;
      // check if long flag matches
      if ((option->flagName && strlen(name) > 2 &&
           !strncmp(name+2, option->flagName, strlen(option->flagName)) &&
           (name[strlen(option->flagName)+2] == '\0' || name[strlen(option->flagName)+2] == '=') ))
        {
          found = true;
          if (name[strlen(option->flagName)+2] == '=')
            {
              value = name+strlen(option->flagName)+3;
            }
        }
      // check if short flag matches
      else if (option->flagNameShort && strlen(name)>1 &&
               !strncmp(name+1, option->flagNameShort, strlen(option->flagNameShort)) &&
               (name[strlen(option->flagNameShort)+1] == '\0' || name[strlen(option->flagNameShort)+1] == '='))
        {
          found = true;
          if (name[strlen(option->flagNameShort)+1] == '=')
            {
              value = name+strlen(option->flagNameShort)+2;
            }     
        }

      if (found)
        {
          PRINT(4)("found matching Flag %s\n", name);
          if (value)
            {
              PRINT(4)("with Value %s\n", value);
              option->value = atoi(value);
            }
          else
            {
              option->value = !option->defaultValue;
            }
          option->redraw();
        }

    }
}

#ifdef HAVE_GTK2
/** 
  *  Connect any signal to any given Sub-widget
*/
gulong Widget::connectSignal(char* event, gint(*signal)(GtkWidget*, GdkEvent*, void *))
{
  return g_signal_connect(G_OBJECT(this->widget), event, G_CALLBACK(signal), NULL);
}

/**
 *  Connect a signal with additionally passing the whole Object
*/
gulong Widget::connectSignal(char* event, gint(*signal)( GtkWidget*, Widget *))
{
  return g_signal_connect(G_OBJECT(this->widget), event, G_CALLBACK(signal), this);
}

/**
 *  Connect a signal with additionally passing a whole external Object
*/
gulong Widget::connectSignal(char* event, void* extObj, gint(*signal)(GtkWidget*, GdkEvent*, void *))
{
  return g_signal_connect(G_OBJECT(this->widget), event, G_CALLBACK(signal), extObj);
}

/**
 *  Connect a signal with additionally passing a whole external Object
*/
gulong Widget::connectSignal(char* event, void* extObj, gint(*signal)(GtkWidget*, void *))
{
  return g_signal_connect(G_OBJECT(this->widget), event, G_CALLBACK(signal), extObj);
}

/**
 *  Connect a signal with additionally passing a whole external Object
*/
gulong Widget::connectSignal(char* event, void* extObj, gint(*signal)(GtkWidget*, GdkEventKey*, void *))
{
  return g_signal_connect(G_OBJECT(this->widget), event, G_CALLBACK(signal), extObj);
}

void Widget::disconnectSignal(gulong signalID)
{
  g_signal_handler_disconnect(G_OBJECT(this->widget), signalID);
}

/**
 *  Signal that does absolutely nothing
 * @param widget The widget that initiated the Signal
 * @param event The event-type.
 * @param nothing nothin.
*/
gint Widget::doNothingSignal(GtkWidget *widget, GdkEvent* event, void* nothing)
{
}
#endif /* HAVE_GTK2 */

/////////////
/* PACKERS */
/////////////
/**
 *  Constructs a Packer
*/
Packer::Packer()
{
  this->down = NULL;
  this->groupName = NULL;
}

/**
 *  Destroys a Packer.
*/
Packer::~Packer()
{ 
  PRINTF(5)("deleting the Packer part.\n");
  if (this->groupName)
    delete []this->groupName;
  
  //deleting recursively.
  if (this->down)
    delete this->down;
}

/**
 *  Sets the group name under which all the lower widgets of this will be saved.
 * @param name The name of the group.
*/
void Packer::setGroupName(const char* name)
{
  if (this->groupName)
    delete []this->groupName;
  this->groupName = new char[strlen(name)+1];
  strcpy(this->groupName, name);
}

////////////////
/* CONTAINERS */
////////////////
/**
 *  Initializes a Container.

   sets the Container-Specific defaults.
*/
Container::Container()
{
  this->optionType = GUI_CONTAINER;
}

/**
 *  Destroys a Container.
*/
Container::~Container()
{ 
  PRINTF(5)("deleting the Container part.\n");
}

/**
 * Fills a Container with lowerWidget.
 * @param lowerWidget the Widget that should be filled into the Container.

   It does this by filling up the down pointer only if down points to NULL.
*/
void Container::fill(Widget* lowerWidget)
{
  if (this->down == NULL)
    {
#ifdef HAVE_GTK2
      gtk_container_add(GTK_CONTAINER(this->widget), lowerWidget->widget);
#endif /* HAVE_GTK2 */

      this->down = lowerWidget;
    }
  else
    PRINTF(2)("You tried to put more than one Widget into a Container. \nNot including this item.\nThis is only possible with Boxes.\n");
}

/**
 * @param borderwidth sets the Width of the border
*/
void Container::setBorderWidth(int borderwidth)
{
  this->borderwidth = borderwidth;

#ifdef HAVE_GTK2
  gtk_container_set_border_width(GTK_CONTAINER(widget), borderwidth);
#endif /* HAVE_GTK2 */
}

////////////
/* WINDOW */
////////////

/**
 *  The main Window of Th Gui
*/
Window* Window::mainWindow = NULL;      

/**
 *  Creating a Window with a name
 * @param windowName the name the window should get.
*/
Window::Window(const char* windowName)
{
  if (!mainWindow)
    {
      mainWindow = this;
      this->isOpen = true;
    }
  isOpen = false;

#ifdef HAVE_GTK2
  widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_policy(GTK_WINDOW(widget), TRUE, TRUE, TRUE);
#if !defined(__WIN32__)
  //  gtk_window_set_decorated(GTK_WINDOW(widget), FALSE);
#endif 
  gtk_container_set_border_width(GTK_CONTAINER(widget), 3);
#endif /* HAVE_GTK2 */

  if (windowName)
    this->setTitle(windowName);
}

/**
 *  Destructs a Window.
*/
Window::~Window()
{
  PRINTF(5)("deleting the Window: %s\n", this->title);
}

/**
 *  Adds a new Window Windows to the List of Windows.
 * @param windowToAdd The Windows that should be added to the List
   @todo this instead of windowToAdd(possibly)
*/
void Window::addWindow(Window* windowToAdd)
{
  if (!mainWindow)
    {
      mainWindow = windowToAdd;
      windowToAdd->isOpen = true;
    }
  else
    {
      Widget* tmpWindow = mainWindow;
      while(tmpWindow->next)
        tmpWindow = tmpWindow->next;
      tmpWindow->next = windowToAdd;
      windowToAdd->isOpen = false;
    }
  return;
}

/**
 *  Shows all Widgets that are included within this->widget.
*/
void Window::showall()
{
#ifdef HAVE_GTK2
  if (!this->isOpen)
    gtk_widget_show_all(this->widget);
  else
    gtk_widget_show(this->widget);
#endif /* HAVE_GTK2 */
}

/**
 *  Set The Window-title to title
 * @param title title the Window should get.
*/
void Window::setTitle(const char* title)
{
  if (this->title)
    delete []this->title;
  this->title = new char[strlen(title)+1];
  strcpy(this->title, title);
#ifdef HAVE_GTK2
  gtk_window_set_title(GTK_WINDOW(widget), title);
#endif /* HAVE_GTK2 */
}

/**
 *  opens up a Window and fixes the Focus to it
*/
void Window::open()
{
  if (this != mainWindow)
    {
      isOpen = true;
#ifdef HAVE_GTK2
      gtk_widget_show_all(this->widget);
      gtk_grab_add(this->widget);
#endif /* HAVE_GTK2 */
    }
}

/**
 *  closes up a Window and removes the Focus from it
*/
void Window::close()
{
  if (this != mainWindow)
    {
      this->isOpen = false;
#ifdef HAVE_GTK2
      gtk_grab_remove(this->widget);
      gtk_widget_hide(this->widget);
#endif /* HAVE_GTK2 */
    }
}

/**
 *  opens up a window(not topmost Window).
   this is the Signal that does it. !!SIGNALS ARE STATIC!!
 * @param widget the widget that did it.
 * @param event the event that did it.
 * @param window the Window that should be opened
*/
#ifdef HAVE_GTK2
gint Window::windowOpen(GtkWidget* widget, GdkEvent* event, void* window)
{
  static_cast<Window*>(window)->open();
}
#else /* HAVE_GTK2 */
int Window::windowOpen(void* widget, void* event, void* window){}
#endif /* HAVE_GTK2 */

/**
 *  closes a window(not topmost Window).
   this is the Signal that does it. !!SIGNALS ARE STATIC!!
 * @param widget the widget that did it!
 * @param event the event that did it!
 * @param window the Window that should be closed
*/
#ifdef HAVE_GTK2
gint Window::windowClose(GtkWidget* widget, GdkEvent* event, void* window)
{
  static_cast<Window*>(window)->close();
}
#else /* HAVE_GTK2 */
int Window::windowClose(void* widget, void* event, void* window){}
#endif /* HAVE_GTK2 */

///////////
/* FRAME */
///////////
/**
 *  Creates a new Frame with name title
*/
Frame::Frame(const char* frameName)
{
#ifdef HAVE_GTK2
  this->widget = gtk_frame_new("");
  gtk_container_set_border_width(GTK_CONTAINER(this->widget), 3);
#endif /* HAVE_GTK2 */
  if (frameName)
    this->setTitle(frameName);
}

/**
 *  destrcucts a Frame
*/
Frame::~Frame()
{
  PRINTF(5)("deleting the Frame: %s\n", this->title);
}

/**
 *  Sets the Frames name to title
 * @param title The title the Frame should get.
*/
void Frame::setTitle(const char* title)
{
  if (this->title)
    delete []this->title;
  this->title = new char[strlen(title)+1];
  strcpy(this->title, title);
#ifdef HAVE_GTK2
  gtk_frame_set_label(GTK_FRAME(widget), this->title);
#endif /* HAVE_GTK2 */
}

//////////////
/* EVENTBOX */
//////////////
/**
 *  Creates a new EventBox with name title
 * @param eventBoxName title the Eventbox should get(only data-structure-internal)
*/
EventBox::EventBox(const char* eventBoxName)
{
#ifdef HAVE_GTK2
  this->widget = gtk_event_box_new();
  gtk_container_set_border_width(GTK_CONTAINER(this->widget), 3);
#endif /* HAVE_GTK2 */

  if (eventBoxName)
    this->setTitle(eventBoxName);
}

/**
 *  destructs an EventBox.
*/
EventBox::~EventBox()
{
  PRINTF(5)("deleting the EventBox: %s\n", this->title);
}

/////////
/* BOX */
/////////
/**
 *  Creates a new Box of type boxtype
 * @param boxtype if 'v' the Box will be vertically, if 'h' the Box will be horizontally
*/
Box::Box(char boxtype)
{
  this->optionType = GUI_BOX;

#ifdef HAVE_GTK2
  if (boxtype == 'v')
    this->widget = gtk_vbox_new(FALSE, 0);
  else
    this->widget = gtk_hbox_new(FALSE, 0);
#endif /* HAVE_GTK2 */
}

/**
 *  destructs a Box.
*/
Box::~Box()
{
  PRINTF(5)("deleting the Box: %s\n", this->title);
}

/** 
  *  Fills a box with a given Widget.
  * @param lowerWidget the next Widget that should be appendet to this Box

    It does this by apending the first one to its down-pointer and all its following ones to the preceding next-pointer. The last one will receive a NULL pointer as Next
*/
void Box::fill(Widget* lowerWidget)
{
#ifdef HAVE_GTK2
  gtk_box_pack_start(GTK_BOX(this->widget), lowerWidget->widget, TRUE, TRUE, 0);
#endif /* HAVE_GTK2 */
  if (this->down == NULL)
    this->down = lowerWidget;
  else
    {
      Widget* tmp;
      tmp = this->down;
      while(tmp->next != NULL)
        tmp = tmp->next;
      tmp->next = lowerWidget;
    }
}

////////////
/* OPTION */
////////////
/**
 *  Initializes a new Option.
   sets all Option-Specific-Values to their defaults.
*/
Option::Option()
{
  this->value = 0;
  this->flagName = NULL;
  this->flagNameShort = NULL;
  
  this->shortDescription = NULL;
  this->longDescription = NULL;

  this->saveable = false;
  this->defaultValue = 0;
}

/**
 *  Destroys an Option.
*/
Option::~Option()
{ 
  PRINTF(5)("deleting the Option Part.\n");
  if (this->flagName)
    delete []this->flagName;
  if (this->flagNameShort)
    delete []this->flagNameShort;
  if (this->shortDescription)
    delete []this->shortDescription;
  if (this->longDescription)
    delete []this->longDescription;
}

/**
 * @param defaultValue new defaultValue for this option
*/
void Option::setDefaultValue(int defaultValue)
{
  this->value = this->defaultValue = defaultValue;
}

/**
 *  This sets The FlagName of an Option and defines its default Values
   !! Options will be saved if flagname is different from NULL !!
 * @param flagname the Name that will be displayed in the output
 * @param defaultvalue the default Value for this Option(see definition of defaultvalue
*/
void Option::setFlagName(const char* flagname, int defaultvalue)
{
  if (this->flagName)
    delete this->flagName;
  this->flagName = new char [strlen(flagname)+1];
  strcpy(this->flagName, flagname);

  this->setDefaultValue(defaultvalue);

  if (this->flagNameShort)
    {
      delete this->flagNameShort;
      this->flagNameShort = NULL;
    }

  //  cout << "Set Flagname of " << this->title << " to " << flagname << endl;
}

/** 
  *  see Option::setFlagName(char* flagname, int defaultvalue)
  * @param flagname the Name that will be displayed in the output
  * @param defaultvalue the default Value for this Option(see definition of defaultvalue
  * @param flagnameshort a short flagname to be displayed in the output
*/
void Option::setFlagName(const char* flagname, const char* flagnameshort,  int defaultvalue)
{
  if (this->flagName)
    delete []this->flagName;
  this->flagName = new char [strlen(flagname)+1];
  strcpy(this->flagName, flagname);

  if (this->flagNameShort)
    delete []this->flagNameShort;
  this->flagNameShort = new char [strlen(flagnameshort)+1];
  strcpy(this->flagNameShort, flagnameshort);
  this->setDefaultValue(defaultvalue);
  //  cout << "Set Flagname of " << this->title << " to " << flagname << endl;
}

void Option::setDescription(const char* shortDescription, const char* longDescription)
{
  // setting up the short description
  if (this->shortDescription)
    delete []this->shortDescription;
  this->shortDescription = new char [strlen(shortDescription)+1];
  strcpy(this->shortDescription, shortDescription);

  //setting up the long description
  if (this->longDescription)
    delete []this->longDescription;
  if (longDescription)
    {
      this->longDescription = new char [strlen(longDescription)+1];
      strcpy(this->longDescription, longDescription);
    }
  else
    this->longDescription = NULL;
}

/**
 *  Sets the saveable-state of the option.
 * @param isSaveable the saveable-state to set.
*/
void Option::saveability(bool isSaveable)
{
  this->saveable = isSaveable;
}

/**
 *  saves an Option
 * @returns the String that should be saved. (this string __should__ be deleted)

   this is a default Option save
*/
char* Option::save()
{
  char* value = new char [30];
  sprintf (value, "%d", this->value);
  return value;
}

/**
 *  loads an Option from of its loadString
 * @param loadString the string from which to load the data from
*/
void Option::load(char* loadString)
{
  this->value = atoi(loadString);
  PRINT(5)("Loading %s: %s %d\n", this->title, loadString, value); 
  this->redraw();
}

/**
 * @returns The saveable-state.
*/
bool Option::isSaveable()
{
  return this->saveable;
}

#ifdef HAVE_GTK2
/** 
  *  Signal OptionChange writes the Value from the Option to its Object-Database.
  * @param widget The widget(Option) that has a changed Value
  * @param option the Option-Object that should receive the change.
*/
gint Option::OptionChange(GtkWidget *widget, Widget* option)
{
  static_cast<Option*>(option)->changeOption();
#ifdef BUILD_ORXONOX
  flags->setTextFromFlags(Window::mainWindow);
#endif
}
#endif /* HAVE_GTK2 */

////////////
/* BUTTON */
////////////
/**
 *  Creates a new Button with a buttonname
 * @param buttonName sets the Name of the Button
*/
Button::Button(const char* buttonName)
{
  this->optionType = GUI_NOTHING;

#ifdef HAVE_GTK2
  widget = gtk_button_new_with_label("");
#endif /* HAVE_GTK2 */

  if (buttonName)
    this->setTitle(buttonName);
}

/**
 *  destructs a Button.
*/
Button::~Button()
{
  PRINTF(5)("deleting the Label: %s\n", this->title);
}

/**
 *  Sets a new name to the Button
 * @param title The name the Button should get
*/
void Button::setTitle(const char *title)
{
  if (this->title)
    delete []this->title;
  this->title = new char[strlen(title)+1];
  strcpy(this->title, title);
#ifdef HAVE_GTK2
  gtk_button_set_label(GTK_BUTTON(widget), title);
#endif /* HAVE_GTK2 */
}

/**
 *  redraws the Button
   @todo not implemented yet
*/
void Button::redraw()
{
}

/**
 *  Button can not be changed, optionChange is empty)

   @todo Actions for non-GTK-mode
*/
void Button::changeOption()
{
  // This will possibly be used for ACTIONS !
}

/////////////////
/* CHECKBUTTON */
/////////////////
/**
 *  Creates a new CheckButton with an ame 
 * @param buttonName The name the CheckButton should display.
*/
CheckButton::CheckButton(const char* buttonName)
{
  this->optionType = GUI_BOOL;

#ifdef HAVE_GTK2
  this->widget = gtk_check_button_new_with_label("");
#endif /* HAVE_GTK2 */

  if (buttonName)
    this->setTitle(buttonName);

#ifdef HAVE_GTK2
  this->connectSignal("clicked", this->OptionChange);
#endif /* HAVE_GTK2 */
}

/**
 *  destructs a CheckButton.
*/
CheckButton::~CheckButton()
{
  if (this->title)
    PRINTF(5)("deleting the CheckButton: %s\n", this->title);
  else 
    PRINTF(5)("deleting the CheckButton.\n");
}

/**
 *  Sets a new Title to a CheckButton
 * @param title The new Name the CheckButton should display.
*/
void CheckButton::setTitle(const char* title)
{
  if (this->title)
    delete []this->title;
  this->title = new char[strlen(title)+1];
  strcpy(this->title, title);
#ifdef HAVE_GTK2
  gtk_button_set_label(GTK_BUTTON(widget), title);
#endif /* HAVE_GTK2 */
}

/**
 * @returns the Active state of the checkButton
*/
bool CheckButton::isActive()
{
#ifdef HAVE_GTK2
  return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
#endif /* HAVE_GTK2 */
}

/**
 *  Changed the Option, call this Function
*/
void CheckButton::changeOption()
{
#ifdef HAVE_GTK2
  this->value =(int)gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(this->widget));
#else /* HAVE_GTK2 */
  char tmpChar[200];
  PRINT(0)("\nPlease give me a new value for %s [0,1](default:%d): ",this->title, this->defaultValue);
  scanf("%s", tmpChar);

  if ((this->value = atoi(tmpChar))=!0)
    this->value = 1;

  PRINT(0)("%s set to: %d\n", this->title, this->value);
#endif /* HAVE_GTK2 */
}

/**
 *  Redraws the CheckButton(if option has changed).
   Example: if new settings are loaded the Button must be redrawn for the GUI to display that Change
*/
void CheckButton::redraw()
{
#ifdef HAVE_GTK2
  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(this->widget), value);
#endif /* HAVE_GTK2 */
}

////////////
/* SLIDER */
////////////
/**
 *  Creates a new Slider
 * @param slidername The data-structure-name of the slider.
 * @param start The minimal Value of the slider.
 * @param end The maximal Value of the slider.
*/
Slider::Slider(const char* slidername, float start, float end)
{
  this->optionType = GUI_FLOAT;

  this->start = start;
  this->end = end;
#ifdef HAVE_GTK2
 widget = gtk_hscale_new_with_range(this->start, this->end, 5);
#endif /* HAVE_GTK2 */

  this->setValue(start);
  this->setTitle(slidername);
#ifdef HAVE_GTK2
  this->connectSignal("value_changed", this->OptionChange);
#endif /* HAVE_GTK2 */
}

/**
 *  destructs a Slider.
*/
Slider::~Slider()
{
  PRINTF(5)("deleting the Slider: %s\n", this->title);
}

/**
 *  sets the exactness of the widget
 * @param exactness count of digits after the dot
*/
void Slider::setExactness(int exactness)
{
#ifdef HAVE_GTK2
 gtk_scale_set_digits(GTK_SCALE(this->widget), exactness);
 gtk_range_set_increments(GTK_RANGE(this->widget), pow(.1, exactness), pow(.1, exactness-1));
#endif /* HAVE_GTK2 */
}

/**
 *  Setting a new value to the Slider.
   Maybe you also require a Slider::redraw() for this to display
*/
void Slider::setValue(float value)
{
  this->fValue = value;
}

/**
 *  Redraws the widget
   Example: see void CheckButton::redraw()
*/
void Slider::redraw()
{
#ifdef HAVE_GTK2
  gtk_range_set_value(GTK_RANGE(this->widget), this->fValue);
#endif /* HAVE_GTK2 */
}

/**
 *  Changed the Option, call this Function
*/
void Slider::changeOption()
{
#ifdef HAVE_GTK2
  this->fValue = gtk_range_get_value(GTK_RANGE(this->widget));
#else /* HAVE_GTK2 */
  char tmpChar[20];
  PRINT(0)("\nPlease give me a new value for %s [%d-%d] (default:%d): ", this->title, this->start, this->end, this->defaultValue);
  scanf("%s", tmpChar);

  if ((this->fValue = atof(tmpChar))> this->end)
    this->fValue = this->end;
  if (this->fValue <= this->start)
    this->fValue = this->start;

  PRINT(0)("%s set to: %d\n",this->title, this->fValue);
#endif /* HAVE_GTK2 */
}

char* Slider::save()
{
  char* value = new char [30];
  sprintf (value, "%f", this->fValue);
  return value;
}
void Slider::load(char* loadString)
{
  this->fValue = atof(loadString);
  PRINT(5)("Loading %s: %s %f\n", this->title, loadString, fValue); 
  this->redraw();
}


//////////
/* MENU */
//////////
/**
 *  constructs a new Menu, without adding any items to it.
 * @param menuName the Name the Menu gets.
*/
Menu::Menu(const char* menuName)
{
  this->init();
  this->setTitle(menuName);
}

/** 
  *  Creates a Menu-Item-list out of multiple input.
    !! Consider, that the last input argument has to be "lastItem" for this to work!!
  * @param menuname The Database-Name of this Menu
  * @param ... items to be added to this Menu. !! Consider, that the last input argument has to be "lastItem" for this to work!!
*/
Menu::Menu(char* menuname, ...)
{
  this->init();
  this->setTitle(menuname);
  va_list itemlist;                     //!< The list to readin multiple Options.

  char *itemName;

  va_start(itemlist, menuname);
  while(strcmp(itemName = va_arg(itemlist, char*), "lastItem"))
    {
      this->addItem(itemName);
    }
  va_end(itemlist);
}

/**
 *  destructs a Menu.
*/
Menu::~Menu()
{
  PRINTF(5)("deleting the Menu: %s\n", this->title);
  this->currItem = this->firstItem;
  while(this->currItem)
    {
      delete []this->currItem->name;
      //! @todo destroy menu
      /*
        #ifdef HAVE_GTK2
        gtk_widget_destroy(this->currItem->item);
        #endif /* HAVE_GTK2 */
      MenuItem* tmpItem = this->currItem;
      this->currItem = this->currItem->next;
      delete tmpItem;
    }
}

/**
 *  Initializes a new Menu with no items
*/
void Menu::init()
{
  this->optionType = GUI_INT;
  this->firstItem = NULL;

#ifdef HAVE_GTK2
  this->widget = gtk_option_menu_new();
  this->menu = gtk_menu_new();
  gtk_option_menu_set_menu(GTK_OPTION_MENU(this->widget), menu);
  this->connectSignal("changed", this->OptionChange);
#endif /* HAVE_GTK2 */
}

/**
 *  saves the Label of the Menu
 * @returns the name of the selected Menu-Item
*/
char* Menu::save()
{
  MenuItem* tmpItem = this->firstItem;
  for (int i = 0; i < this->value; i++)
    if (tmpItem)
      tmpItem = tmpItem->next;
    else
      break;
  if (tmpItem)
    {
      char* tmpName = new char[strlen(tmpItem->name)+1];
      strcpy(tmpName, tmpItem->name);
      return tmpName;
    }
  else 
    return NULL;
}

/**
 *  loads a Menu from of its loadString
 * @param loadString the string from which to load the data from
*/
void Menu::load(char* loadString)
{
  MenuItem* tmpItem = firstItem;
  bool foundItem = false;
  while (tmpItem)
    {
      if (!strcmp(loadString, tmpItem->name))
        {foundItem = true; break;}
      tmpItem = tmpItem->next;
    }
  if (foundItem)
    this->value = tmpItem->itemNumber;
  else
    {
      this->value = 0;
      PRINTF(2)("%s has not been found in the Itemlist of %s\n", loadString, this->title);
    }
  PRINTF(5)( "Loading %s: setting to %d\n", this->title, this->value); 
  this->redraw();
}

/**
 *  appends a new Item to the Menu-List.
 * @param itemName the itemName to be appendet.
*/
void Menu::addItem(char* itemName)
{
  if (!this->firstItem)
    {
      this->firstItem = this->currItem = new MenuItem;
      this->currItem->itemNumber = 0;
    }
  else
    {
      int tmpI = this->currItem->itemNumber;
      this->currItem = this->currItem->next = new MenuItem;
      this->currItem->itemNumber = tmpI+1;
    }

  this->currItem->name = new char[strlen(itemName)+1];
  strcpy(this->currItem->name, itemName);

#ifdef HAVE_GTK2
  this->currItem->item = gtk_menu_item_new_with_label(itemName);
  gtk_menu_shell_append(GTK_MENU_SHELL(this->menu), this->currItem->item);
#endif /* HAVE_GTK2 */
  this->currItem->next = NULL;
}

/**
 *  Redraws the widget
   Example: see void CheckButton::redraw()
*/
void Menu::redraw()
{
#ifdef HAVE_GTK2
  gtk_option_menu_set_history(GTK_OPTION_MENU(this->widget), this->value);
#endif /* HAVE_GTK2 */
}

/**
 *  Changed the Option, call this Function
*/
void Menu::changeOption()
{
#ifdef HAVE_GTK2
  this->value =(int)gtk_option_menu_get_history(GTK_OPTION_MENU(this->widget));
#else /* HAVE_GTK2 */
  char tmpChar[20];
  PRINT(0)("\nPlease give me a new value for %s (default: %d): ", this->title, this->defaultValue);
  scanf("%s",tmpChar);
  this->value = atoi(tmpChar);

#endif /* HAVE_GTK2 */
  PRINT(4)("%s set to: %d\n", this->title, this->value);
}

/* OPTION LABEL */

/**
 *  Creates a new OptionLabel with a LabelName and a Value.
 * @param label The name of the OptionLabel.
 * @param value The Value of the OptionLabel(what will be displayed).
*/
OptionLabel::OptionLabel(const char* label, const char* value)
{
  this->optionType = GUI_CHAR_ARRAY;
  cValue = NULL;

#ifdef HAVE_GTK2
  this->widget = gtk_label_new("");
#endif /* HAVE_GTK2 */

  this->setTitle(label);
  this->setValue(value);
}

/**
 *  destructs an OptionLabel.
*/
OptionLabel::~OptionLabel()
{
  PRINTF(5)("deleting the OptionLabel: %s\n", this->title);
  if (this->cValue)
    delete []this->cValue;
}

/**
 *  Updates the value of an OptionLabel
 * @param newValue The new Name that should be displayed.
*/
void OptionLabel::setValue(const char* newValue)
{
  if (this->cValue)
    delete []this->cValue;
  this->cValue = new char [strlen(newValue)+1];
  strcpy(this->cValue, newValue);

  this->redraw();
}

/**
 *  Redraws an OptionLabel(not implemented yet, but it works).
*/
void OptionLabel::redraw()
{
#ifdef HAVE_GTK2
  gtk_label_set_text(GTK_LABEL(widget), cValue);
#endif /* HAVE_GTK2 */
}

/**
 *  Changed the Option, call this Function
*/
void OptionLabel::changeOption()
{
#ifdef HAVE_GTK2
  this->cValue = (char*)gtk_label_get_text(GTK_LABEL(this->widget));
#else /* HAVE_GTK2 */
  PRINT(0)("\nPlease give me a new input for %s: ", this->title);
  char tmpChar[100];
  scanf("%s",tmpChar);
  this->setValue(tmpChar);
#endif /* HAVE_GTK2 */
  PRINT(4)("%s set to: %s\n", this->title,  this->cValue);
}


/**
 *  creates the Optionlabel save-string
 * @returns the String to save.
*/
char* OptionLabel::save()
{
  return cValue;
}

/**
 *  loads an Option from of its loadString
 * @param loadString the string from which to load the data from
*/
void OptionLabel::load(char* loadString)
{
  PRINTF(5)("Loading %s: setting to %s\n", this->title, loadString); 
  this->setValue(loadString);
}

///////////
/* LABEL */
///////////
/**
 *  Creates a new Label with a Text.
 * @param text The text to be displayed.
*/
Label:: Label(const char* text)
{
  this->optionType = GUI_NOTHING;
  
#ifdef HAVE_GTK2
  this->widget = gtk_label_new("");
  gtk_label_set_line_wrap(GTK_LABEL(this->widget), TRUE);
#endif /* HAVE_GTK2 */
  
  if (text)
    this->setTitle(text);
}

/**
 *  destructs a Label.
*/
Label::~Label()
{
  PRINTF(5)("deleting the Label: %s\n", this->title);
}

/**
 *  Sets a new Text to a Label.
 * @param text The text to be inserted into the Label.
*/
void Label::setTitle(const char* text)
{
  if (this->title)
    delete []this->title;
  this->title = new char[strlen(text)+1];
  strcpy(this->title, text);
#ifdef HAVE_GTK2
  gtk_label_set_text(GTK_LABEL(this->widget), this->title);
#endif /* HAVE_GTK2 */
}

/**
 *  ereases the Text of a Label
*/
void Label::ereaseText()
{
  this->setTitle("");
}

/** 
  *  appends some Text to a Label
  * @param textToAppend The text that will be appended to this Label
*/
void Label::appendText(char* textToAppend)
{
  if (this->title)
    {
      char* tmpTitle = new char[strlen(this->title)+strlen(textToAppend)+1];
      strcpy(tmpTitle, title);  
      strcat(tmpTitle, textToAppend);
      delete []this->title;
      this->title = tmpTitle;
    }
  else
    this->title = new char[strlen(textToAppend)];
  
#ifdef HAVE_GTK2
  gtk_label_set_text(GTK_LABEL(this->widget), title);
#endif /* HAVE_GTK2 */
}

/** 
  *  Appends some integer to the Label
  * @param intToAppend The Int that will be added.
    
    it does this by just converting the int into a char* and send it to appendText
*/
void Label::appendInt(int intToAppend)
{
  char append [32];
  sprintf(append, "%d", intToAppend);
  this->appendText(append);
}


/**
 *  get the Text of a Label
 * @return The Text the Label holds.
*/
const char* Label::getText()
{
  return this->title;
}

//////////////////
/* PROGRESS-BAR */
//////////////////
/**
 *  Creates a new ProgressBar.
 * @param label The name you want to get the ProgressBar.
*/
ProgressBar::ProgressBar(const char* label)
{
  this->optionType = GUI_NOTHING;
  this->progress = 0.0;
  this->totalSize = 0.0;

#ifdef HAVE_GTK2
  this->adjustment =(GtkAdjustment*)gtk_adjustment_new(0, 0, 100, 0, 0, 0);
  this->widget = gtk_progress_bar_new_with_adjustment(this->adjustment);
#endif /* HAVE_GTK2 */

  if (label)
    this->setTitle(label);
}

/**
 *  destructs a ProgressBar
*/
ProgressBar::~ProgressBar()
{
  PRINTF(5)("deleting the ProgressBar: %s\n", this->title);
}

/**
 *  Sets the Total size of the Bar.(ex. The maximum one can download)
*/
void ProgressBar::setTotalSize(double totalSize)
{
  this->totalSize = totalSize;
}

/**
 *  Sets the progress maximum is this->totalSize
*/
void ProgressBar::setProgress(double progress)
{
  this->progress = progress;

  if (this->progress > this->totalSize)
    this->progress = this->totalSize;

#ifdef HAVE_GTK2
  gtk_progress_set_value(GTK_PROGRESS(widget), this->progress*100.0/this->totalSize);
  PRINTF(5)("Progress: %f%%\n", this->progress*100.0/this->totalSize);
#else /* HVE_GTK2 */
  PRINT(0)("Progress: %f%%\n", this->progress*100.0/this->totalSize);
#endif /* HAVE_GTK2 */
}

/**
  *  returns the Progress Status
*/
double ProgressBar::getProgress()
{
  return this->progress;
}

///////////
/* IMAGE */
///////////
/**
 *  Creates a new Image
 * @param imageName the location of the Image on the Hard Disc
*/
Image::Image(const char* imageName)
{
  this->init(imageName);

#ifdef HAVE_GTK2
  widget = gtk_image_new_from_file(imageName);
#endif /* HAVE_GTK2 */
}

/**
 *  Creates a new Image
 * @param imageData data to the PixBuff
*/
Image::Image(char** imageData)
{
  this->init("pixBuffImage");

#ifdef HAVE_GTK2
  widget = gtk_image_new_from_pixbuf(gdk_pixbuf_new_from_xpm_data((const char**)imageData));
#endif /* HAVE_GTK2 */
}


/**
 *  destructs an Image.
*/
Image::~Image()
{
  PRINTF(5)("deleting the Image: %s\n", this->title);
}

/** 
  *  Initializes a new Image
  * @param name the name to set to the Image
*/
void Image::init(const char* name)
{
  optionType = GUI_NOTHING;

  if (this->title)
    delete []this->title;
  this->title = new char[strlen(name)+1];
  strcpy(this->title, name);
}


/////////////////
/* FILE DIALOG */
/////////////////
/**
 *  Creates a new FileDialog
 * @param fileDialogName a Name for the Dialog
*/
FileDialog::FileDialog(const char* fileDialogName)
{
  this->optionType = GUI_NOTHING;
  this->isOpen = false;
  this->changeOption = NULL;
  this->openUpButton = NULL;
  this->okObject = NULL;
  this->okFunc = NULL;

#ifdef HAVE_GTK2
  this->widget = gtk_file_selection_new(fileDialogName);

  gtk_file_selection_set_select_multiple(GTK_FILE_SELECTION (this->widget), FALSE);

  g_signal_connect(GTK_FILE_SELECTION (this->widget)->cancel_button,
                     "button_release_event",
                     G_CALLBACK (FileDialog::dialogClose),
                     this);
  g_signal_connect(GTK_FILE_SELECTION (this->widget),
                     "delete_event",
                     G_CALLBACK (FileDialog::dialogClose),
                     this);
  g_signal_connect(GTK_FILE_SELECTION (this->widget)->ok_button,
                     "button_release_event",
                     G_CALLBACK (FileDialog::dialogOK),
                     this);
#endif /* HAVE_GTK2 */
  if (fileDialogName)
    this->setTitle(fileDialogName);
}

/**
 *  destructs a FileDialog
*/
FileDialog::~FileDialog()
{
  PRINTF(5)("deleting FileDialog %s\n", this->title);
}

void FileDialog::setChangeOption(OptionLabel* changeOption)
{
  this->changeOption = changeOption;
}

void FileDialog::setOKFunc(void* okObject, bool(*function)(const char* , void*))
{
  this->okObject = okObject;
  this->okFunc = function;
}


void FileDialog::setOpenUpButton(Button* openUpButton)
{
  this->openUpButton = openUpButton;

  openUpButton->connectSignal("button_release_event", this, FileDialog::dialogOpen);
}


void FileDialog::setDefaultFileName(const char* defaultFileName)
{
#ifdef HAVE_GTK2
  gtk_file_selection_set_filename (GTK_FILE_SELECTION(this->widget), defaultFileName);
#endif /* HAVE_GTK2 */
}

void FileDialog::setMask(const char* mask)
{
#ifdef HAVE_GTK2
  gtk_file_selection_complete(GTK_FILE_SELECTION(this->widget), mask);
#endif /* HAVE_GTK2 */
}

/**
 *  disables the File Operator Buttons
*/
void FileDialog::disableFileOpts()
{
#ifdef HAVE_GTK2
  gtk_file_selection_hide_fileop_buttons(GTK_FILE_SELECTION(this->widget));
#endif /* HAVE_GTK2 */
}

/**
 *  The ok-button has been pressed
*/
void FileDialog::okEvent()
{
  if (this->okFunc)
    {
#ifdef HAVE_GTK2
      if(this->okFunc((const char*)gtk_file_selection_get_filename(GTK_FILE_SELECTION(this->widget)), this->okObject))
         this->close();
#endif /* HAVE_GTK2 */
    }
  else if (this->changeOption)
    {
#ifdef HAVE_GTK2
      changeOption->setValue(gtk_file_selection_get_filename(GTK_FILE_SELECTION(this->widget)));
#endif /* HAVE_GTK2 */
      this->close();
    }
  else
    this->close();
}

/**
   \biref opens up the FileDialog-Window
*/
void FileDialog::open()
{
  isOpen = true;
#ifdef HAVE_GTK2
  gtk_widget_show_all(this->widget);
  gtk_grab_add(this->widget);
#endif /* HAVE_GTK2 */
}

/**
   \closes the FileDialog-Window
*/
void FileDialog::close()
{
  this->isOpen = false;
#ifdef HAVE_GTK2
  gtk_grab_remove(this->widget);
  gtk_widget_hide(this->widget);
#endif /* HAVE_GTK2 */
}

#ifdef HAVE_GTK2
gint FileDialog::dialogOK(GtkWidget* widget, GdkEvent* event, void* dialog)
{
  static_cast<FileDialog*>(dialog)->okEvent();
}
#else /* HAVE_GTK2 */
int FileDialog::dialogOK(void* widget, void* event, void* dialog){}
#endif /* HAVE_GTK2 */

#ifdef HAVE_GTK2
gint FileDialog::dialogOpen(GtkWidget* widget, GdkEvent* event, void* dialog)
{
  static_cast<FileDialog*>(dialog)->open();
}
#else /* HAVE_GTK2 */
int FileDialog::dialogOpen(void* widget, void* event, void* dialog){}
#endif /* HAVE_GTK2 */

#ifdef HAVE_GTK2
gint FileDialog::dialogClose(GtkWidget* widget, GdkEvent* event, void* dialog)
{
  static_cast<FileDialog*>(dialog)->close();
}
#else /* HAVE_GTK2 */
int FileDialog::dialogClose(void* widget, void* event, void* dialog){}
#endif /* HAVE_GTK2 */