root/GtkRadiant/trunk/radiant/groupdialog.cpp

/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

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
*/

//
// Floating dialog that contains a notebook with at least Entities and Group tabs
// I merged the 2 MS Windows dialogs in a single class
//
// Leonardo Zide (leo@lokigames.com)
//

#ifndef _WIN32
  #include <unistd.h>
#endif
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n.h>
#include "stdafx.h"
#include "groupdialog.h"

GtkWidget*      EntWidgets[EntLast];
GtkListStore* g_entlist_store;
GtkListStore* g_entprops_store;
int                                     inspector_mode;         // W_TEXTURE, W_ENTITY, or W_CONSOLE
qboolean                multiple_entities;
qboolean                disable_spawn_get = false;
entity_t                *edit_entity;
/*
static GdkPixmap *tree_pixmaps[7];
static GdkBitmap *tree_masks[7];
*/
#define IMG_PATCH 0
#define IMG_BRUSH 1
#define IMG_GROUP 2
#define IMG_ENTITY 3
#define IMG_ENTITYGROUP 4
#define IMG_MODEL 5
#define IMG_SCRIPT 6

// misc group support
#define MAX_GROUPS 4096
#define GROUP_DELIMETER '@'
#define GROUPNAME "QER_Group_%i"

GroupDlg g_wndGroup;
GroupDlg *g_pGroupDlg = &g_wndGroup;

// group_t are loaded / saved through "group_info" entities
// they hold epairs for group settings and additionnal access info (tree nodes)
group_t *g_pGroups = NULL;

// the number of active spawnflags
static int spawnflag_count;
// table: index, match spawnflag item to the spawnflag index (i.e. which bit)
static int spawn_table[MAX_FLAGS];
// we change the layout depending on how many spawn flags we need to display
// the table is a 4x4 in which we need to put the comment box EntWidgets[EntComment] and the spawn flags..
static GtkWidget *LayoutTable;
// 0: none of them are hooked
// 1: only the text, 2: text and four checks, 3: text and 8 checks
static int widget_state = 0;

static void entity_check (GtkWidget *widget, gpointer data);

// =============================================================================
// Global functions

/*
===============================================================

ENTITY WINDOW

===============================================================
*/

void FillClassList ()
{
  GtkListStore* store = g_entlist_store;

  gtk_list_store_clear(store);

  for (eclass_t* e = eclass ; e ; e = e->next)
  {
    GtkTreeIter iter;
    gtk_list_store_append(store, &iter);
    gtk_list_store_set(store, &iter, 0, e->name, 1, e, -1);
  }
}

// SetKeyValuePairs
//
// Reset the key/value (aka property) listbox and fill it with the
// k/v pairs from the entity being edited.
//

void SetKeyValuePairs (bool bClearMD3)
{
  GtkListStore* store = g_entprops_store;

  gtk_list_store_clear(store);

  if (edit_entity == NULL)
  {
    // if there's no entity, then display no key/values
    return;
  }

  // save current key/val pair around filling epair box
  // row_select wipes it and sets to first in list
  Str strKey = gtk_entry_get_text (GTK_ENTRY (EntWidgets[EntKeyField]));
  Str strVal = gtk_entry_get_text (GTK_ENTRY (EntWidgets[EntValueField]));


  // Walk through list and add pairs
  for(epair_t* epair = edit_entity->epairs ; epair ; epair = epair->next)
  {
    GtkTreeIter iter;
    gtk_list_store_append(store, &iter);
    gtk_list_store_set(store, &iter, 0, epair->key, 1, epair->value, -1);
  }

  gtk_entry_set_text (GTK_ENTRY (EntWidgets[EntKeyField]), strKey.GetBuffer());
  gtk_entry_set_text (GTK_ENTRY (EntWidgets[EntValueField]), strVal.GetBuffer());

  Sys_UpdateWindows(W_CAMERA | W_XY);
}

// SetSpawnFlags
//
// Update the checkboxes to reflect the flag state of the entity
//
void SetSpawnFlags(void)
{
  int f, i, v;

        disable_spawn_get = true;

  f = atoi(ValueForKey (edit_entity, "spawnflags"));
  for (i=0 ; i<spawnflag_count ; i++)
  {
    v = !!(f&(1<<spawn_table[i]));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (EntWidgets[EntCheck1+i]), v);
  }
  // take care of the remaining ones
  for (i=spawnflag_count ; i<MAX_FLAGS ; i++)
  {
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (EntWidgets[EntCheck1+i]), FALSE);
  }

        disable_spawn_get = false;
}

// GetSpawnFlags
//
// Update the entity flags to reflect the state of the checkboxes
//
// NOTE: this function had a tendency to add "spawnflags" "0" on most entities
//   if this wants to set spawnflags to zero, remove the key

void GetSpawnFlags(void)
{
  int f, i, v;
  char sz[32];

  f = 0;
  for (i=0 ; i<spawnflag_count ; i++)
  {
    v = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (EntWidgets[EntCheck1+i]));
    f |= v<<spawn_table[i];
  }

  if (f==0)
  {
    // remove all "spawnflags" keys
    if (multiple_entities)
    {
      brush_t   *b;

      for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
        DeleteKey (b->owner, "spawnflags");
    }
    else
      DeleteKey (edit_entity, "spawnflags");
  }
  else
  {
    sprintf (sz, "%i", f);
    if (multiple_entities)
    {
      brush_t   *b;

      for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
        SetKeyValue(b->owner, "spawnflags", sz);
    }
    else
      SetKeyValue (edit_entity, "spawnflags", sz);
  }
  SetKeyValuePairs ();
}

//#define DBG_UPDATESEL

// UpdateSel
//
// Update the listbox, checkboxes and k/v pairs to reflect the new selection
// iIndex is the index in the list box with the class name, -1 if not found
bool UpdateSel(int iIndex, eclass_t *pec)
{
  int i, next_state;
  brush_t *b;

  // syndrom of crappy code, we may get into stack overflowing crap with this function and Gtk
  // if we play with the list of entity classes
  // using a static flag to prevent recursion
  static bool bBlockUpdate = false;

  if (bBlockUpdate)
    return FALSE; // NOTE TTimo wtf is the return value for anyway?

#ifdef DBG_UPDATESEL
  Sys_FPrintf(SYS_WRN, "UpdateSel\n");
#endif

  if (selected_brushes.next == &selected_brushes)
  {
    edit_entity = world_entity;
    multiple_entities = false;
  }
  else
  {
    edit_entity = selected_brushes.next->owner;
    for (b=selected_brushes.next->next ; b != &selected_brushes ; b=b->next)
    {
      if (b->owner != edit_entity)
      {
        multiple_entities = true;
        break;
      }
    }
  }

  if (iIndex != -1)
  {
#ifdef DBG_UPDATESEL
    Sys_FPrintf(SYS_WRN,"Setting focus_row to %d\n", iIndex);
#endif
    bBlockUpdate = true;

    GtkTreeView* view = GTK_TREE_VIEW(EntWidgets[EntList]);
    GtkTreePath* path = gtk_tree_path_new();
    gtk_tree_path_append_index(path, iIndex);
    gtk_tree_selection_select_path(gtk_tree_view_get_selection(view), path);
    gtk_tree_view_scroll_to_cell(view, path, NULL, FALSE, 0, 0);
    gtk_tree_path_free(path);

    bBlockUpdate = false;
  }

  if (pec == NULL)
    return TRUE;

  // Set up the description
  {
    GtkTextBuffer* buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW(EntWidgets[EntComment]));
    gtk_text_buffer_set_text (buffer, pec->comments, -1);
  }

  spawnflag_count = 0;

  // do a first pass to count the spawn flags, don't touch the widgets, we don't know in what state they are
  for (i=0 ; i<MAX_FLAGS ; i++)
  {
    if (pec->flagnames[i] && pec->flagnames[i][0] != 0 && strcmp(pec->flagnames[i],"-"))
    {
      spawn_table[spawnflag_count] = i;
      spawnflag_count++;
    }
  }

  // what's new widget state
  if (spawnflag_count==0)
    next_state = 1;
  else if (spawnflag_count<=4)
    next_state = 2;
  else if (spawnflag_count<=8)
    next_state = 3;
  else if (spawnflag_count<=12)
    next_state = 4;
  else
    next_state = 5;
  widget_state = next_state;
  static int last_count = 0;

  // disable all remaining boxes
  // NOTE: these boxes might not even be on display
  for (i = 0; i < last_count; i++)
  {
    GtkWidget* widget = EntWidgets[EntCheck1+i];
    gtk_label_set_text (GTK_LABEL (GTK_BIN (widget)->child), " ");
    gtk_widget_hide (widget);
    gtk_widget_ref (widget);
    gtk_container_remove (GTK_CONTAINER (LayoutTable), widget);
  }
  last_count = spawnflag_count;

  for (i=0 ; i<spawnflag_count ; i++)
  {
    GtkWidget* widget = EntWidgets[EntCheck1+i];
    gtk_widget_show (widget);

    Str str;
    str = pec->flagnames[spawn_table[i]];
    str.MakeLower ();

//    gtk_table_attach (GTK_TABLE (LayoutTable), widget, i%4, i%4+1, i/4, i/4+1,
    gtk_table_attach (GTK_TABLE (LayoutTable), widget, i%4, i%4+1, i/4, i/4+1,
                      (GtkAttachOptions) (GTK_FILL),
                      (GtkAttachOptions) (GTK_FILL), 0, 0);
    gtk_widget_unref (widget);

    gtk_label_set_text (GTK_LABEL (GTK_BIN (widget)->child), str.GetBuffer ());
  }

  SetSpawnFlags();

  SetKeyValuePairs();

  return TRUE;
}

bool UpdateEntitySel(eclass_t *pec)
{
#ifdef DBG_UPDATESEL
  Sys_FPrintf(SYS_WRN, "UpdateEntitySel\n");
#endif

  GtkTreeModel* model = GTK_TREE_MODEL(g_entlist_store);
  GtkTreeIter iter;
  unsigned int i = 0;
  for(gboolean good = gtk_tree_model_get_iter_first(model, &iter); good != FALSE; good = gtk_tree_model_iter_next(model, &iter))
  {
    char* text;
    gtk_tree_model_get(model, &iter, 0, &text, -1);
    if (strcmp (text, pec->name) == 0)
    {
#ifdef DBG_UPDATESEL
      Sys_FPrintf(SYS_WRN, "found a match: %d %s\n", i, pec->name);
#endif
      return UpdateSel (i, pec);
    }
    g_free(text);
    ++i;
  }
  return UpdateSel (-1, pec);
}

// CreateEntity
//
// Creates a new entity based on the currently selected brush and entity type.
//

void CreateEntity(void)
{
  GtkTreeView* view = GTK_TREE_VIEW(EntWidgets[EntList]);

  // check to make sure we have a brush
  if (selected_brushes.next == &selected_brushes)
  {
    gtk_MessageBox(g_pParentWnd->m_pWidget, "You must have a selected brush to create an entity", "info");
    return;
  }

  // find out what type of entity we are trying to create
  GtkTreeModel* model;
  GtkTreeIter iter;
  if(gtk_tree_selection_get_selected(gtk_tree_view_get_selection(view), &model, &iter) == FALSE)
  {
    gtk_MessageBox (g_pParentWnd->m_pWidget, "You must have a selected class to create an entity", "info");
    return;
  }

  char* text;
  gtk_tree_model_get(model, &iter, 0, &text, -1);
  CreateEntityFromName(text, vec3_origin);
  g_free(text);

  if (selected_brushes.next == &selected_brushes)
    edit_entity = world_entity;
  else
    edit_entity = selected_brushes.next->owner;

  SetKeyValuePairs();
  Select_Deselect ();
  Select_Brush (edit_entity->brushes.onext);
  Sys_UpdateWindows(W_ALL);
}

/*
===============
AddProp

===============
*/
void AddProp()
{
  if (edit_entity == NULL)
    return;

  // Get current selection text
  const char* key = gtk_entry_get_text (GTK_ENTRY (EntWidgets[EntKeyField]));
  const char* value = gtk_entry_get_text (GTK_ENTRY (EntWidgets[EntValueField]));


  // TTimo: if you change the classname to worldspawn you won't merge back in the structural brushes but create a parasite entity
  if (!strcmp(key, "classname") && !strcmp(value, "worldspawn"))
  {
    gtk_MessageBox(g_pParentWnd->m_pWidget,  "Cannot change \"classname\" key back to worldspawn.", NULL, MB_OK );
    return;
  }


        // RR2DO2: we don't want spaces in entity keys
        if (strstr( key, " " ))
        {
    gtk_MessageBox(g_pParentWnd->m_pWidget, "No spaces are allowed in entity keys.", NULL, MB_OK );
    return;
        }

  if (multiple_entities)
  {
    brush_t *b;

    for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
      SetKeyValue(b->owner, key, value);
  }
  else
    SetKeyValue(edit_entity, key, value);

  // refresh the prop listbox
  SetKeyValuePairs();


#ifdef USEPLUGINENTITIES
  // if it's a plugin entity, perhaps we need to update some drawing parameters
  // NOTE: perhaps moving this code to a seperate func would help if we need it in other places
  // TODO: we need to call some update func in the IPluginEntity in case model name changes etc.
  // ( for the moment only bounding brush is updated ), see UpdateModelBrush in Ritual's Q3Radiant
  if (edit_entity->eclass->nShowFlags & ECLASS_PLUGINENTITY)
  {
    vec3_t mins, maxs;
    edit_entity->pPlugEnt->GetBounds( mins, maxs );
    // replace old bounding brush by newly computed one
    // NOTE: this part is similar to Entity_BuildModelBrush in Ritual's Q3Radiant, it can be
    // usefull moved into a seperate func
    brush_t *b,*oldbrush;
    if (edit_entity->brushes.onext != &edit_entity->brushes)
      oldbrush = edit_entity->brushes.onext;
    b = Brush_Create (mins, maxs, &edit_entity->eclass->texdef);
    Entity_LinkBrush (edit_entity, b);
    Brush_Build( b, true );
    Select_Deselect();
    Brush_AddToList (edit_entity->brushes.onext, &selected_brushes);
    if (oldbrush)
      Brush_Free( oldbrush );
  }
#endif // USEPLUGINENTITIES
}

/*
===============
DelProp

===============
*/
void DelProp(void)
{
  if (edit_entity == NULL)
    return;

  // Get current selection text
  const char* key = gtk_entry_get_text (GTK_ENTRY (EntWidgets[EntKeyField]));

  if (multiple_entities)
  {
    brush_t *b;

    for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
      DeleteKey(b->owner, key);
  }
  else
    DeleteKey(edit_entity, key);

  // refresh the prop listbox
  SetKeyValuePairs();
}

void ResetEntity ()
{
  epair_t *pep;
  int i;

  if (edit_entity == NULL)
    return;

  if (multiple_entities)
  {
    brush_t *b;

    for (b=selected_brushes.next; b != &selected_brushes; b=b->next)
      for (pep = b->owner->epairs; pep; )
      {
        if (strcmp (pep->key, "classname") != 0)
        {
          DeleteKey (b->owner, pep->key);
          pep = b->owner->epairs;
        }
        else
          pep = pep->next;
      }
  }
  else
    for (pep = edit_entity->epairs; pep; )
    {
      if (strcmp (pep->key, "classname") != 0)
      {
        DeleteKey (edit_entity, pep->key);
        pep = edit_entity->epairs;
      }
      else
        pep = pep->next;
    }

  // refresh the dialog
  SetKeyValuePairs ();
  for (i = EntCheck1; i <= EntCheck16; i++)
    gtk_signal_handler_block_by_func (GTK_OBJECT (EntWidgets[i]), GTK_SIGNAL_FUNC (entity_check), NULL);
  SetSpawnFlags ();
  for (i = EntCheck1; i <= EntCheck16; i++)
    gtk_signal_handler_unblock_by_func (GTK_OBJECT (EntWidgets[i]), GTK_SIGNAL_FUNC (entity_check), NULL);
}

bool GetSelectAllCriteria(CString &strKey, CString &strVal)
{
  GtkTreeModel* model;
  GtkTreeIter iter;
  if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(GTK_TREE_VIEW(EntWidgets[EntProps])), &model, &iter)
    && (inspector_mode == W_ENTITY)
    && GTK_WIDGET_VISIBLE (g_pGroupDlg->m_pWidget))
  {
    strKey = gtk_entry_get_text (GTK_ENTRY (EntWidgets[EntKeyField]));
    strVal = gtk_entry_get_text (GTK_ENTRY (EntWidgets[EntValueField]));
    return TRUE;
  }
  return FALSE;
}


void AssignSound()
{
  char buffer[NAME_MAX];

  strcpy (buffer, g_qeglobals.m_strHomeMaps.GetBuffer());
  strcat (buffer, "sound/");

  if( access(buffer, R_OK) != 0 )
  {
    // just go to fsmain
    strcpy (buffer, g_qeglobals.m_strHomeMaps.GetBuffer());
    strcat (buffer, "/");
  }

  const char *filename = file_dialog (g_pGroupDlg->m_pWidget, TRUE, _("Open Wav File"), buffer, "sound");
  if (filename != NULL)
  {
    gtk_entry_set_text (GTK_ENTRY (EntWidgets[EntKeyField]), "noise");
    char *aux = vfsExtractRelativePath (filename);
    CString str;
    if (aux)
      str = aux;
    else
    {
      Sys_FPrintf (SYS_WRN, "WARNING: could not extract the relative path, using full path instead\n");
      str = filename;
    }

    gtk_entry_set_text (GTK_ENTRY (EntWidgets[EntValueField]), str.GetBuffer());
    AddProp();
  }
}

void AssignModel()
{
  char buffer[NAME_MAX];

  strcpy (buffer, g_qeglobals.m_strHomeMaps.GetBuffer());
  strcat (buffer, "models/");

  if( access(buffer, R_OK) != 0 )
  {
    // just go to fsmain
    strcpy (buffer, g_qeglobals.m_strHomeMaps.GetBuffer());
    strcat (buffer, "/");
  }

  const char *filename = file_dialog (g_pGroupDlg->m_pWidget, TRUE, _("Open Model"), buffer, MODEL_MAJOR);
  if (filename != NULL)
  {
    gtk_entry_set_text (GTK_ENTRY (EntWidgets[EntKeyField]), "model");
    // use VFS to get the correct relative path
    char *aux = vfsExtractRelativePath (filename);
    CString str;
    if (aux)
      str = aux;
    else
    {
      Sys_FPrintf (SYS_WRN, "WARNING: could not extract the relative path, using full path instead\n");
      str = filename;
    }

    gtk_entry_set_text (GTK_ENTRY (EntWidgets[EntValueField]), str.GetBuffer());
    AddProp();
    edit_entity->brushes.onext->bModelFailed = false;
  }
}

/*
==============
SetInspectorMode
==============
*/
void SetInspectorMode(int iType)
{
  if (iType == W_GROUP)
    gtk_MessageBox(g_pParentWnd->m_pWidget, "Brush grouping is not functional yet", NULL, MB_OK | MB_ICONWARNING );

  if (!g_pParentWnd->FloatingGroupDialog() &&
      (iType == W_TEXTURE || iType == W_CONSOLE))
    return;

  // Is the caller asking us to cycle to the next window?
  if (iType == -1)
  {
    if (inspector_mode == W_ENTITY)
      iType = W_TEXTURE;
    else if (inspector_mode == W_TEXTURE)
      iType = W_CONSOLE;
    else if (inspector_mode == W_CONSOLE)
      iType = W_GROUP;
    else
      iType = W_ENTITY;
  }

  switch(iType)
  {
  case W_ENTITY:
    // entity is always first in the inspector
    gtk_window_set_title (GTK_WINDOW (g_qeglobals_gui.d_entity), "Entities");
    gtk_notebook_set_page (GTK_NOTEBOOK (g_pGroupDlg->m_pNotebook), 0);
    break;

  case W_TEXTURE:
    g_pParentWnd->GetTexWnd()->FocusEdit();
    gtk_window_set_title (GTK_WINDOW (g_qeglobals_gui.d_entity), "Textures");
    if (g_pParentWnd->FloatingGroupDialog())
      gtk_notebook_set_page (GTK_NOTEBOOK (g_pGroupDlg->m_pNotebook), 1);
    break;

  case W_CONSOLE:
    gtk_window_set_title (GTK_WINDOW (g_qeglobals_gui.d_entity), "Console");
    if (g_pParentWnd->FloatingGroupDialog())
      gtk_notebook_set_page (GTK_NOTEBOOK (g_pGroupDlg->m_pNotebook), 2);
    break;

  case W_GROUP:
    if (g_pParentWnd->FloatingGroupDialog())
      gtk_notebook_set_page (GTK_NOTEBOOK (g_pGroupDlg->m_pNotebook), 3);
    else
      gtk_notebook_set_page (GTK_NOTEBOOK (g_pGroupDlg->m_pNotebook), 1);
    break;

  default:
    break;
  }
}

void Group_Add(entity_t *e)
{
  /*
  group_t *g = (group_t*)qmalloc(sizeof(group_t));
  g->epairs = e->epairs;
  g->next = NULL;
  e->epairs = NULL;

  // create a new group node
  char *text = ValueForKey(g->epairs, "group");
  g->itemOwner = gtk_ctree_insert_node (GTK_CTREE (g_wndGroup.m_pTree), g_wndGroup.m_hWorld, NULL, &text, 0,
                                        tree_pixmaps[IMG_GROUP], tree_masks[IMG_GROUP],
                                        tree_pixmaps[IMG_GROUP], tree_masks[IMG_GROUP], TRUE, TRUE);
  g->next = g_pGroups;
  g_pGroups = g;
  */
}
/*
group_t* Group_Alloc(char *name)
{
  group_t *g = (group_t*)qmalloc(sizeof(group_t));
  SetKeyValue( g->epairs, "group", name );
  return g;
}

group_t* Group_ForName(const char * name)
{
  group_t *g = g_pGroups;
  while (g != NULL)
  {
    if (strcmp( ValueForKey(g->epairs,"group"), name ) == 0)
      break;
    g = g->next;
  }
  return g;
}

void Group_AddToItem(brush_t *b, GtkCTreeNode* item)
{
  int nImage = IMG_BRUSH;
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }
  const char *pName = NULL;
  //  const char *pNamed = Brush_GetKeyValue(b, "name");

  if (!b->owner || (b->owner == world_entity))
  {
    if (b->patchBrush)
    {
      pName = "Generic Patch";
      nImage = IMG_PATCH;
    }
    else
    {
      pName = "Generic Brush";
      nImage = IMG_BRUSH;
    }
  }
  else
  {
    pName = b->owner->eclass->name;
    if (b->owner->eclass->fixedsize)
    {
      nImage = IMG_ENTITY;
    }
    else
    {
      nImage = IMG_ENTITYGROUP;
    }
  }

  GtkCTreeNode *newItem;
  int i = (b->patchBrush) ? IMG_PATCH : IMG_BRUSH;
  newItem = gtk_ctree_insert_node (GTK_CTREE (g_wndGroup.m_pTree), item, NULL, (gchar**)&pName, 0,
                                   tree_pixmaps[i], tree_masks[i], tree_pixmaps[i],
                                   tree_masks[i], TRUE, TRUE);
  gtk_ctree_node_set_row_data (GTK_CTREE (g_wndGroup.m_pTree), newItem, b);
  b->itemOwner = newItem;
}
*/
void Group_RemoveBrush(brush_t *b)
{
  /*
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }
  if (b->itemOwner)
  {
    gtk_ctree_remove_node (GTK_CTREE (g_pGroupDlg->m_pTree), b->itemOwner);
    b->itemOwner = NULL;
  }
  DeleteKey(b->epairs, "group");
  */
}
/*
void Group_AddToWorld(brush_t *b)
{
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }
  GtkCTreeNode *parent = gtk_ctree_node_nth (GTK_CTREE (g_pGroupDlg->m_pTree), 0);
  Group_AddToItem(b, parent);
}
*/
void Group_AddToProperGroup(brush_t *b)
{
  /*
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }

  // NOTE: we do a local copy of the "group" key because it gets erased by Group_RemoveBrush
  const char *pGroup = Brush_GetKeyValue(b, "group");
  // remove the entry in the tree if there's one
  if (b->itemOwner)
  {
    gtk_ctree_remove_node (GTK_CTREE (g_pGroupDlg->m_pTree), b->itemOwner);
    b->itemOwner = NULL;
  }

  if (*pGroup != 0)
  {
    // find the item
    group_t *g = Group_ForName(pGroup);
    if (g)
      Group_AddToItem(b, g->itemOwner);
#ifdef _DEBUG
    else
      Sys_Printf("WARNING: unexpected Group_ForName not found in Group_AddToProperGroup\n");
#endif
  }
  else
  {
    Group_AddToWorld(b);
  }
  */
}
/*
void Group_AddToSelected(brush_t *b)
{
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }
  GtkCTreeNode *item;
  item = gtk_ctree_node_nth (GTK_CTREE (g_pGroupDlg->m_pTree), GTK_CLIST (g_pGroupDlg->m_pTree)->focus_row);
  if (item == NULL)
  {
    item = gtk_ctree_node_nth (GTK_CTREE (g_pGroupDlg->m_pTree), 0);
  }
  Group_AddToItem(b, item);
}
*/
/*
void Group_Save(FILE *f)
{
  group_t *g = g_pGroups;
  while (g)
  {
    fprintf(f,"{\n\"classname\" \"group_info\"\n\"group\" \"%s\"\n}\n", ValueForKey( g->epairs, "group" ));
    g = g->next;
  }
}
*/

void Group_Init()
{
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }
  // start by cleaning everything
  // clean the groups
  //++timo FIXME: we leak, delete the groups on the way (I don't have time to do it now)
#ifdef _DEBUG
  Sys_Printf("TODO: fix leak in Group_Init\n");
#endif
  group_t *g = g_pGroups;
  while (g)
  {
    epair_t *ep,*enext;
    for (ep = g->epairs ; ep ; ep=enext )
    {
      enext = ep->next;
      free (ep->key);
      free (ep->value);
      free (ep);
    }
    g = g->next;
  }
  /*
  GtkCTreeNode *world;
  char *text = "World";
  g_pGroups = NULL;
  gtk_clist_clear (GTK_CLIST (g_wndGroup.m_pTree));
  world = gtk_ctree_insert_node (GTK_CTREE (g_wndGroup.m_pTree), NULL, NULL, &text, 0,
                                 tree_pixmaps[IMG_GROUP], tree_masks[IMG_GROUP], tree_pixmaps[IMG_GROUP],
                                 tree_masks[IMG_GROUP], FALSE, TRUE);
  */
  // walk through all the brushes, remove the itemOwner key and add them back where they belong
  brush_t *b;
  for (b = active_brushes.next; b != &active_brushes; b = b->next)
  {
    b->itemOwner = NULL;
    Group_AddToProperGroup(b);
  }
  for (b = selected_brushes.next ; b != &selected_brushes ; b = b->next)
  {
    b->itemOwner = NULL;
    Group_AddToProperGroup(b);
  }
}
/*
// scan through world_entity for groups in this map?
// we use GROUPNAME "QER_group_%i" to look for existing groups and their naming
//++timo FIXME: is this actually needed for anything?
void Group_GetListFromWorld(GSList **pArray)
{
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }

  if (world_entity == NULL)
  {
    return;
  }

  char cBuff[1024];
  for (int i =0; i < MAX_GROUPS; i++)
  {
    sprintf(cBuff, GROUPNAME, i);
    char *pGroup = ValueForKey(world_entity, cBuff);
    if (pGroup && strlen(pGroup) > 0)
    {
      *pArray = g_slist_append (*pArray, g_strdup (pGroup));
    }
    else
    {
      break;
    }
  }
}

void Group_RemoveListFromWorld()
{
  if (!g_qeglobals.m_bBrushPrimitMode)
  {
    return;
  }
  GSList* array = NULL;
  Group_GetListFromWorld(&array);

  while (array)
  {
    DeleteKey(world_entity, (char*)array->data);
    g_free (array->data);
    array = g_slist_remove (array, array->data);
  }
}

int CountChar(const char *p, char c)
{
  int nCount = 0;
  int nLen = strlen(p)-1;
  while (nLen-- >= 0)
  {
    if (p[nLen] == c)
    {
      nCount++;
    }
  }
  return nCount;
}
*/
// =============================================================================
// callbacks

static void eclasslist_selection_changed(GtkTreeSelection* selection, gpointer data)
{
  GtkTreeModel* model;
  GtkTreeIter selected;
  // no world entity, we are not ready yet
  if( !world_entity ) {
    return;
  }
  if(gtk_tree_selection_get_selected(selection, &model, &selected))
  {
    eclass_t* eclass;
    gtk_tree_model_get(model, &selected, 1, &eclass, -1);
    if(eclass != NULL)
    {
      GtkTreePath* path = gtk_tree_model_get_path(model, &selected);
      UpdateSel(gtk_tree_path_get_indices(path)[0], eclass);
      gtk_tree_path_free(path);
    }
  }
}

static gint eclasslist_button_press (GtkWidget *widget, GdkEventButton *event, gpointer data)
{
  if (event->type == GDK_2BUTTON_PRESS)
  {
    CreateEntity ();
    return TRUE;
  }
  return FALSE;