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header_action.c

/**
 * header_action.c oct-2003
 *
 * Functions to draw the "Action Editor" window header
 * and handle user events sent to it.
 * 
 * $Id: header_action.c,v 1.20 2004/10/31 10:52:38 ton Exp $
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * 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
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * 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.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef WIN32
#include "BLI_winstuff.h"
#endif

#include "BMF_Api.h"
#include "BIF_language.h"
#ifdef INTERNATIONAL
#include "FTF_Api.h"
#endif

#include "DNA_ID.h"
#include "DNA_action_types.h"
#include "DNA_ipo_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_key_types.h"
#include "DNA_curve_types.h"

#include "BIF_interface.h"
#include "BIF_resources.h"
#include "BIF_screen.h"
#include "BIF_space.h"
#include "BIF_editaction.h"

#include "BKE_action.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_constraint.h"
#include "BKE_armature.h"

#include "BSE_drawipo.h"
#include "BSE_editaction.h"
#include "BSE_headerbuttons.h"

#include "nla.h"

#include "blendef.h"
#include "mydevice.h"

#define ACTMENU_VIEW_CENTERVIEW 0
#define ACTMENU_VIEW_AUTOUPDATE 1
#define ACTMENU_VIEW_PLAY3D     2
#define ACTMENU_VIEW_PLAYALL    3
#define ACTMENU_VIEW_ALL        4
#define ACTMENU_VIEW_MAXIMIZE   5

#define ACTMENU_SEL_BORDER      0
#define ACTMENU_SEL_ALL_KEYS    1
#define ACTMENU_SEL_ALL_CHAN    2

#define ACTMENU_KEY_DUPLICATE     0
#define ACTMENU_KEY_DELETE        1
#define ACTMENU_KEY_BAKE          2

#define ACTMENU_KEY_TRANSFORM_MOVE  0
#define ACTMENU_KEY_TRANSFORM_SCALE 1

#define ACTMENU_KEY_HANDLE_AUTO   0
#define ACTMENU_KEY_HANDLE_ALIGN  1
#define ACTMENU_KEY_HANDLE_FREE   2
#define ACTMENU_KEY_HANDLE_VECTOR 3

#define ACTMENU_KEY_INTERP_CONST  0
#define ACTMENU_KEY_INTERP_LINEAR 1
#define ACTMENU_KEY_INTERP_BEZIER 2

void do_action_buttons(unsigned short event)
{

      switch(event){
            case B_ACTBAKE:
                  bake_action_with_client (G.saction->action, OBACT, 0.01);
                  break;
            case B_ACTCONT:
                  set_exprap_action(IPO_HORIZ);
                  break;
//    case B_ACTEXTRAP:
//          set_exprap_ipo(IPO_DIR);
//          break;
            case B_ACTCYCLIC:
                  set_exprap_action(IPO_CYCL);
                  break;
//    case B_ACTCYCLICX:
//          set_exprap_ipo(IPO_CYCLX);
//          break;
            case B_ACTHOME:
                  //    Find X extents
                  //v2d= &(G.saction->v2d);

                  G.v2d->cur.xmin = 0;
                  G.v2d->cur.ymin=-SCROLLB;

                  if (!G.saction->action){      // here the mesh rvk?
                        G.v2d->cur.xmax= -5;
                        G.v2d->cur.xmax= 100;
                  }
                  else {
                        float extra;
                        G.v2d->cur.xmin= calc_action_start(G.saction->action);
                        G.v2d->cur.xmax= calc_action_end(G.saction->action);
                        extra= 0.05*(G.v2d->cur.xmax - G.v2d->cur.xmin);
                        G.v2d->cur.xmin-= extra;
                        G.v2d->cur.xmax+= extra;
                        
                        if(G.v2d->cur.xmin==G.v2d->cur.xmax) {
                              G.v2d->cur.xmax= -5;
                              G.v2d->cur.xmax= 100;
                        }
                  }

                  G.v2d->tot= G.v2d->cur;
                  test_view2d(G.v2d, curarea->winx, curarea->winy);


                  addqueue (curarea->win, REDRAW, 1);

                  break;
            case B_ACTCOPY:
                  copy_posebuf();
                  allqueue(REDRAWVIEW3D, 1);
                  break;
            case B_ACTPASTE:
                  paste_posebuf(0);
                  clear_object_constraint_status(OBACT);
                  make_displists_by_armature(OBACT);
                  allqueue(REDRAWVIEW3D, 1);
                  break;
            case B_ACTPASTEFLIP:
                  paste_posebuf(1);
                  clear_object_constraint_status(OBACT);
                  make_displists_by_armature(OBACT);
                  allqueue(REDRAWVIEW3D, 1);
                  break;

            case B_ACTPIN:    /* __PINFAKE */
/*          if (G.saction->flag & SACTION_PIN){
            if (G.saction->action)
            G.saction->action->id.us ++;
            
            }
            else {
                  if (G.saction->action)
                        G.saction->action->id.us --;
                        }
*/          /* end PINFAKE */
                  allqueue(REDRAWACTION, 1);
                  break;

      }
}

static void do_action_viewmenu(void *arg, int event)
{
      extern int play_anim(int mode);

      switch(event) {
            case ACTMENU_VIEW_CENTERVIEW: /* Center View to Current Frame */
                  center_currframe();
                  break;
            case ACTMENU_VIEW_AUTOUPDATE: /* Update Automatically */
                  if (BTST(G.saction->lock, 0)) 
                        G.saction->lock = BCLR(G.saction->lock, 0);
                  else 
                        G.saction->lock = BSET(G.saction->lock, 0);
                  break;
            case ACTMENU_VIEW_PLAY3D: /* Play Back Animation */
                  play_anim(0);
                  break;
            case ACTMENU_VIEW_PLAYALL: /* Play Back Animation in All */
                  play_anim(1);
                  break;      
            case ACTMENU_VIEW_ALL: /* View All */
                  do_action_buttons(B_ACTHOME);
                  break;
            case ACTMENU_VIEW_MAXIMIZE: /* Maximize Window */
                  /* using event B_FULL */
                  break;
      }
      allqueue(REDRAWVIEW3D, 0);
}

static uiBlock *action_viewmenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;
      
      block= uiNewBlock(&curarea->uiblocks, "action_viewmenu", 
                                UI_EMBOSSP, UI_HELV, curarea->headwin);
      uiBlockSetButmFunc(block, do_action_viewmenu, NULL);
      
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Center View to Current Frame|C", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 1, 
                               ACTMENU_VIEW_CENTERVIEW, "");
      
      uiDefBut(block, SEPR, 0, "", 0, yco-=6, 
                   menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      
      if(BTST(G.saction->lock, 0)) {
            uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_HLT, 
                                     "Update Automatically|", 0, yco-=20, 
                                     menuwidth, 19, NULL, 0.0, 0.0, 1, 
                                     ACTMENU_VIEW_AUTOUPDATE, "");
      } 
      else {
            uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_DEHLT, 
                                     "Update Automatically|", 0, yco-=20, 
                                     menuwidth, 19, NULL, 0.0, 0.0, 1, 
                                     ACTMENU_VIEW_AUTOUPDATE, "");
      }

      uiDefBut(block, SEPR, 0, "", 0, yco-=6, 
                   menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Play Back Animation|Alt A", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 1, 
                               ACTMENU_VIEW_PLAY3D, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Play Back Animation in 3D View|Alt Shift A", 0, yco-=20,
                               menuwidth, 19, NULL, 0.0, 0.0, 1, 
                               ACTMENU_VIEW_PLAYALL, "");

      uiDefBut(block, SEPR, 0, "", 0, yco-=6, 
                   menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "View All|Home", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 1, 
                               ACTMENU_VIEW_ALL, "");
            
      if (!curarea->full) 
            uiDefIconTextBut(block, BUTM, B_FULL, ICON_BLANK1, 
                                     "Maximize Window|Ctrl UpArrow", 0, yco-=20, 
                                     menuwidth, 19, NULL, 0.0, 0.0, 0, 
                                     ACTMENU_VIEW_MAXIMIZE, "");
      else 
            uiDefIconTextBut(block, BUTM, B_FULL, ICON_BLANK1, 
                                     "Tile Window|Ctrl DownArrow", 0, yco-=20, 
                                     menuwidth, 19, NULL, 0.0, 0.0, 0, 
                                     ACTMENU_VIEW_MAXIMIZE, "");
      
      if(curarea->headertype==HEADERTOP) {
            uiBlockSetDirection(block, UI_DOWN);
      }
      else {
            uiBlockSetDirection(block, UI_TOP);
            uiBlockFlipOrder(block);
      }

      uiTextBoundsBlock(block, 50);
      
      return block;
}

static void do_action_selectmenu(void *arg, int event)
{     
      SpaceAction *saction;
      bAction     *act;
      Key *key;
      
      saction = curarea->spacedata.first;
      if (!saction)
            return;

      act = saction->action;
      key = get_action_mesh_key();
      
      switch(event)
      {
            case ACTMENU_SEL_BORDER: /* Border Select */
                  if (key) {
                        borderselect_mesh(key);
                  }
                  else {
                        borderselect_action();
                  }
                  break;

            case ACTMENU_SEL_ALL_KEYS: /* Select/Deselect All Keys */
                  if (key) {
                        deselect_meshchannel_keys(key, 1);
                        allqueue (REDRAWACTION, 0);
                        allqueue(REDRAWNLA, 0);
                        allqueue (REDRAWIPO, 0);
                  }
                  else {
                        deselect_actionchannel_keys (act, 1);
                        allqueue (REDRAWACTION, 0);
                        allqueue(REDRAWNLA, 0);
                        allqueue (REDRAWIPO, 0);
                  }
                  break;

            case ACTMENU_SEL_ALL_CHAN: /* Select/Deselect All Channels */
                  deselect_actionchannels (act, 1);
                  allqueue (REDRAWVIEW3D, 0);
                  allqueue (REDRAWACTION, 0);
                  allqueue(REDRAWNLA, 0);
                  allqueue (REDRAWIPO, 0);
                  break;
      }
}

static uiBlock *action_selectmenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "action_selectmenu", 
                                UI_EMBOSSP, UI_HELV, curarea->headwin);
      uiBlockSetButmFunc(block, do_action_selectmenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Border Select|B", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_SEL_BORDER, "");
      uiDefBut(block, SEPR, 0, "", 0, yco-=6, 
                   menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Select/Deselect All Keys|A", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_SEL_ALL_KEYS, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Select/Deselect All Channels", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_SEL_ALL_CHAN, "");

      if(curarea->headertype==HEADERTOP) {
            uiBlockSetDirection(block, UI_DOWN);
      }
      else {
            uiBlockSetDirection(block, UI_TOP);
            uiBlockFlipOrder(block);
      }

      uiTextBoundsBlock(block, 50);

      return block;
}

static void do_action_keymenu_transformmenu(void *arg, int event)
{
      SpaceAction *saction;
      bAction     *act;
      Key *key;
      
      key = get_action_mesh_key();
      saction= curarea->spacedata.first;
      
      act=saction->action;
      
      switch(event)
      {
            case ACTMENU_KEY_TRANSFORM_MOVE:
                  if (key) {
                        transform_meshchannel_keys('g', key);
                  } 
                  else if (act) {   
                        transform_actionchannel_keys ('g');
                  }
                  break;
            case ACTMENU_KEY_TRANSFORM_SCALE:
                  if (key) {
                        transform_meshchannel_keys('s', key);
                  } 
                  else if (act) {
                        transform_actionchannel_keys ('s');
                  }
                  break;
      }

      scrarea_queue_winredraw(curarea);
}

static uiBlock *action_keymenu_transformmenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "action_keymenu_transformmenu", 
                                UI_EMBOSSP, UI_HELV, G.curscreen->mainwin);
      uiBlockSetButmFunc(block, do_action_keymenu_transformmenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Grab/Move|G", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_TRANSFORM_MOVE, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Scale|S", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_TRANSFORM_SCALE, "");

      uiBlockSetDirection(block, UI_RIGHT);
      uiTextBoundsBlock(block, 60);

      return block;
}

static void do_action_keymenu_handlemenu(void *arg, int event)
{
      Key *key;
      
      key = get_action_mesh_key();

      switch (event){
            case ACTMENU_KEY_HANDLE_AUTO:
                  if (key) {
                        sethandles_meshchannel_keys(HD_AUTO, key);
                  } else {
                        sethandles_actionchannel_keys(HD_AUTO);
                  }
                  break;

            case ACTMENU_KEY_HANDLE_ALIGN:
            case ACTMENU_KEY_HANDLE_FREE:
                  /* OK, this is kinda dumb, need to fix the
                   * toggle crap in sethandles_ipo_keys() 
                   */
                  if (key) {
                        sethandles_meshchannel_keys(HD_ALIGN, key);
                  } else {
                        sethandles_actionchannel_keys(HD_ALIGN);
                  }
                  break;

            case ACTMENU_KEY_HANDLE_VECTOR:
                  if (key) {
                        sethandles_meshchannel_keys(HD_VECT, key);
                  } else {
                        sethandles_actionchannel_keys(HD_VECT);
                  }
                  break;
      }
}

static uiBlock *action_keymenu_handlemenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "action_keymenu_handlemenu", UI_EMBOSSP, UI_HELV, G.curscreen->mainwin);
      uiBlockSetButmFunc(block, do_action_keymenu_handlemenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Auto|Shift H", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_HANDLE_AUTO, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Aligned|H", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_HANDLE_ALIGN, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Free|H", 0, yco-=20, menuwidth, 
                               19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_HANDLE_FREE, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Vector|V", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_HANDLE_VECTOR, "");

      uiBlockSetDirection(block, UI_RIGHT);
      uiTextBoundsBlock(block, 60);

      return block;
}

static void do_action_keymenu_intpolmenu(void *arg, int event)
{
      Key *key;

      key = get_action_mesh_key();

      switch(event)
      {
            case ACTMENU_KEY_INTERP_CONST:
                  if (key) {
                        /* to do */
                  }
                  else {
                        set_ipotype_actionchannels(SET_IPO_CONSTANT);
                  }
                  break;
            case ACTMENU_KEY_INTERP_LINEAR:
                  if (key) {
                        /* to do */
                  }
                  else {
                        set_ipotype_actionchannels(SET_IPO_LINEAR);
                  }
                  break;
            case ACTMENU_KEY_INTERP_BEZIER:
                  if (key) {
                        /* to do */
                  }
                  else {
                        set_ipotype_actionchannels(SET_IPO_BEZIER);
                  }
                  break;
      }

      scrarea_queue_winredraw(curarea);
}

static uiBlock *action_keymenu_intpolmenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "action_keymenu_intpolmenu", 
                                UI_EMBOSSP, UI_HELV, G.curscreen->mainwin);
      uiBlockSetButmFunc(block, do_action_keymenu_intpolmenu, NULL);

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Constant", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_INTERP_CONST, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Linear", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_INTERP_LINEAR, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Bezier", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_INTERP_BEZIER, "");

      uiBlockSetDirection(block, UI_RIGHT);
      uiTextBoundsBlock(block, 60);

      return block;
}

static void do_action_keymenu(void *arg, int event)
{     
      SpaceAction *saction;
      bAction     *act;
      Key *key;
      
      saction= curarea->spacedata.first;
      if (!saction)
            return;

      act = saction->action;
      key = get_action_mesh_key();

      switch(event)
      {
            case ACTMENU_KEY_DUPLICATE:
                  if (key) {
                        duplicate_meshchannel_keys(key);
                  }
                  else if (act) {
                        duplicate_actionchannel_keys();
                        remake_action_ipos(act);
                  }
                  break;

            case ACTMENU_KEY_DELETE:
                  if (key) {
                        delete_meshchannel_keys(key);
                  }
                  else if (act) {
                        delete_actionchannel_keys ();
                  }
                  break;
            case ACTMENU_KEY_BAKE:
                  bake_action_with_client (G.saction->action, OBACT, 0.01);
                  break;
      }
}

static uiBlock *action_keymenu(void *arg_unused)
{
      uiBlock *block;
      short yco= 0, menuwidth=120;

      block= uiNewBlock(&curarea->uiblocks, "action_keymenu", 
                                UI_EMBOSSP, UI_HELV, curarea->headwin);
      uiBlockSetButmFunc(block, do_action_keymenu, NULL);
      
      uiDefIconTextBlockBut(block, action_keymenu_transformmenu, 
                              NULL, ICON_RIGHTARROW_THIN, 
                              "Transform", 0, yco-=20, 120, 20, "");
                                      
      uiDefBut(block, SEPR, 0, "", 0, yco-=6, 
                              menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                              "Duplicate|Shift D", 0, yco-=20, 
                              menuwidth, 19, NULL, 0.0, 0.0, 0, 
                              ACTMENU_KEY_DUPLICATE, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                              "Delete|X", 0, yco-=20, 
                              menuwidth, 19, NULL, 0.0, 0.0, 0, 
                              ACTMENU_KEY_DELETE, "");

      uiDefBut(block, SEPR, 0, "", 0, yco-=6, 
                   menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, 
                               "Bake Action to Ipo Keys", 0, yco-=20, 
                               menuwidth, 19, NULL, 0.0, 0.0, 0, 
                               ACTMENU_KEY_BAKE, "");

      uiDefBut(block, SEPR, 0, "", 0, yco-=6, 
                   menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");

      uiDefIconTextBlockBut(block, action_keymenu_intpolmenu, 
                                      NULL, ICON_RIGHTARROW_THIN, 
                                      "Interpolation Mode", 0, yco-=20, 120, 20, "");
      uiDefIconTextBlockBut(block, action_keymenu_handlemenu, 
                                      NULL, ICON_RIGHTARROW_THIN, 
                                      "Handle Type", 0, yco-=20, 120, 20, "");
      
      if(curarea->headertype==HEADERTOP) {
            uiBlockSetDirection(block, UI_DOWN);
      }
      else {
            uiBlockSetDirection(block, UI_TOP);
            uiBlockFlipOrder(block);
      }

      uiTextBoundsBlock(block, 50);

      return block;
}

void action_buttons(void)
{
      uiBlock *block;
      short xco, xmax;
      char naam[256];
      Object *ob;
      ID *from;

      if (!G.saction)
            return;

      // copy from drawactionspace....
      if (!G.saction->pin) {
            if (OBACT)
                  G.saction->action = OBACT->action;
            else
                  G.saction->action=NULL;
      }

      sprintf(naam, "header %d", curarea->headwin);
      block= uiNewBlock(&curarea->uiblocks, naam, 
                                UI_EMBOSS, UI_HELV, curarea->headwin);

      if (area_is_active_area(curarea)) 
            uiBlockSetCol(block, TH_HEADER);
      else 
            uiBlockSetCol(block, TH_HEADERDESEL);

      curarea->butspacetype= SPACE_ACTION;
      
      xco = 8;
      
      uiDefIconTextButC(block, ICONTEXTROW,B_NEWSPACE, ICON_VIEW3D, 
                                windowtype_pup(), xco, 0, XIC+10, YIC, 
                                &(curarea->butspacetype), 1.0, SPACEICONMAX, 0, 0, 
                                "Displays Current Window Type. "
                                "Click for menu of available types.");

      xco += XIC + 14;

      uiBlockSetEmboss(block, UI_EMBOSSN);
      if (curarea->flag & HEADER_NO_PULLDOWN) {
            uiDefIconButS(block, TOG|BIT|0, B_FLIPINFOMENU, 
                                ICON_DISCLOSURE_TRI_RIGHT,
                                xco,2,XIC,YIC-2,
                                &(curarea->flag), 0, 0, 0, 0, 
                                "Show pulldown menus");
      }
      else {
            uiDefIconButS(block, TOG|BIT|0, B_FLIPINFOMENU, 
                                ICON_DISCLOSURE_TRI_DOWN,
                                xco,2,XIC,YIC-2,
                                &(curarea->flag), 0, 0, 0, 0, 
                                "Hide pulldown menus");
      }
      uiBlockSetEmboss(block, UI_EMBOSS);
      xco+=XIC;

      if((curarea->flag & HEADER_NO_PULLDOWN)==0) {
            /* pull down menus */
            uiBlockSetEmboss(block, UI_EMBOSSP);
      
            xmax= GetButStringLength("View");
            uiDefPulldownBut(block, action_viewmenu, NULL, 
                                "View", xco, -2, xmax-3, 24, "");
            xco+= xmax;
            
            xmax= GetButStringLength("Select");
            uiDefPulldownBut(block, action_selectmenu, NULL, 
                                "Select", xco, -2, xmax-3, 24, "");
            xco+= xmax;
      
            xmax= GetButStringLength("Key");
            uiDefPulldownBut(block, action_keymenu, NULL, 
                                "Key", xco, -2, xmax-3, 24, "");
            xco+= xmax;
      }

      uiBlockSetEmboss(block, UI_EMBOSSX);
      
      // object action is allowed to be zero!
      /* (ton) commented out below line, since people can apparently link Action to any object (mesh) and
            not unlink anymore when theres a mesh key. Needs to be rethought this stuff! */
      //if (!get_action_mesh_key()) {
      
            /* NAME ETC */
            ob=OBACT;
            from = (ID*) ob;

            xco= std_libbuttons(block, xco, 0, B_ACTPIN, &G.saction->pin, 
                                          B_ACTIONBROWSE, (ID*)G.saction->action, 
                                          from, &(G.saction->actnr), B_ACTALONE, 
                                          B_ACTLOCAL, B_ACTIONDELETE, 0, 0);  

            /* Draw action baker */
            xco+= 8;
            
            uiDefBut(block, BUT, B_ACTBAKE, 
                         "Bake", xco, 0, 64, YIC, 0, 0, 0, 0, 0, 
                         "Create an action with the constraint effects "
                         "converted into Ipo keys");
            xco+=64;

      //}
      uiClearButLock();

      /* draw LOCK */
      xco+= 8;
      uiDefIconButS(block, ICONTOG, 1, ICON_UNLOCKED, xco, 0, XIC, YIC, 
                          &(G.saction->lock), 0, 0, 0, 0, 
                          "Updates other affected window spaces automatically "
                          "to reflect changes in real time");


      /* always as last  */
      curarea->headbutlen = xco + 2*XIC;

      uiDrawBlock(block);
}

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