/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.

This file is part of GtkRadiant.

GtkRadiant 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 of the License, or
(at your option) any later version.

GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "plugintoolbar.h"


#include "itoolbar.h"
#include "modulesystem.h"

#include <gtk/gtktoolbar.h>

#include "stream/stringstream.h"
#include "gtkutil/image.h"
#include "gtkutil/container.h"

#include "mainframe.h"
#include "plugin.h"

GtkImage* new_plugin_image(const char* filename)
{
  {
    StringOutputStream fullpath(256);
    fullpath << GameToolsPath_get() << g_pluginsDir << "bitmaps/" << filename;
    GtkImage* image = image_new_from_file_with_mask(fullpath.c_str());
    if(image != 0)
    {
      return image;
    }
  }

  {
    StringOutputStream fullpath(256);
    fullpath << AppPath_get() << g_pluginsDir << "bitmaps/" << filename;
    GtkImage* image = image_new_from_file_with_mask(fullpath.c_str());
    if(image != 0)
    {
      return image;
    }
  }

  {
    StringOutputStream fullpath(256);
    fullpath << AppPath_get() << g_modulesDir << "bitmaps/" << filename;
    GtkImage* image = image_new_from_file_with_mask(fullpath.c_str());
    if(image != 0)
    {
      return image;
    }
  }

  return image_new_missing();
} 

inline GtkToolbarChildType gtktoolbarchildtype_for_toolbarbuttontype(IToolbarButton::EType type)
{
  switch(type)
  {
  case IToolbarButton::eSpace:
    return GTK_TOOLBAR_CHILD_SPACE;
  case IToolbarButton::eButton:
    return GTK_TOOLBAR_CHILD_BUTTON;
  case IToolbarButton::eToggleButton:
    return GTK_TOOLBAR_CHILD_TOGGLEBUTTON;
  case IToolbarButton::eRadioButton:
    return GTK_TOOLBAR_CHILD_RADIOBUTTON;
  }
  ERROR_MESSAGE("invalid toolbar button type");
  return (GtkToolbarChildType)0;
}

void toolbar_insert(GtkToolbar *toolbar, const char* icon, const char* text, const char* tooltip, IToolbarButton::EType type, GtkSignalFunc handler, gpointer data)
{
  gtk_toolbar_append_element(toolbar, gtktoolbarchildtype_for_toolbarbuttontype(type), 0, text, tooltip, "", GTK_WIDGET(new_plugin_image(icon)), handler, data);
}

void ActivateToolbarButton(GtkWidget *widget, gpointer data)
{
  const_cast<const IToolbarButton*>(reinterpret_cast<IToolbarButton*>(data))->activate();
}

void PlugInToolbar_AddButton(GtkToolbar* toolbar, const IToolbarButton* button)
{
  toolbar_insert(toolbar, button->getImage(), button->getText(), button->getTooltip(), button->getType(), GTK_SIGNAL_FUNC(ActivateToolbarButton), reinterpret_cast<gpointer>(const_cast<IToolbarButton*>(button)));
}

GtkToolbar* g_plugin_toolbar = 0;

void PluginToolbar_populate()
{
  class AddToolbarItemVisitor : public ToolbarModules::Visitor
  {
    GtkToolbar* m_toolbar;
  public:
    AddToolbarItemVisitor(GtkToolbar* toolbar)
      : m_toolbar(toolbar)
    {
    }
    void visit(const char* name, const _QERPlugToolbarTable& table) const
    {
      const std::size_t count = table.m_pfnToolbarButtonCount();
      for(std::size_t i=0;i<count;++i)
      {
        PlugInToolbar_AddButton(m_toolbar, table.m_pfnGetToolbarButton(i));
      }
    }

  } visitor(g_plugin_toolbar);

  Radiant_getToolbarModules().foreachModule(visitor);
}

void PluginToolbar_clear()
{
  container_remove_all(GTK_CONTAINER(g_plugin_toolbar));
}

GtkToolbar* create_plugin_toolbar()
{
  GtkToolbar *toolbar;

  toolbar = GTK_TOOLBAR(gtk_toolbar_new());
  gtk_toolbar_set_orientation(toolbar, GTK_ORIENTATION_HORIZONTAL);
  gtk_toolbar_set_style(toolbar, GTK_TOOLBAR_ICONS);
  gtk_widget_show(GTK_WIDGET(toolbar));

  g_plugin_toolbar = toolbar;

  PluginToolbar_populate();

  return toolbar;
}