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header_seq.c

/**
 * header_seq.c oct-2003
 *
 * Functions to draw the "Video Sequence Editor" window header
 * and handle user events sent to it.
 *
 * $Id: header_seq.c,v 1.19 2004/10/03 13:49:54 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_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_sequence_types.h"
#include "DNA_space_types.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BIF_interface.h"
#include "BIF_resources.h"
#include "BIF_screen.h"
#include "BIF_space.h"
#include "BIF_editseq.h"
#include "BSE_drawipo.h"
#include "BSE_headerbuttons.h"
#include "BSE_sequence.h"

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

static int viewmovetemp = 0;

extern Sequence *last_seq;

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

      switch(event)
      {
      case 1: /* Play Back Animation */
                  play_anim(0);
                  break;
      case 2: /* Play Back Animation in All */
                  play_anim(1);
                  break;
      case 3:
            do_seq_buttons(B_SEQHOME);
            break;
      case 4:
            if(last_seq) {
                        CFRA= last_seq->startdisp;
                        G.v2d->cur.xmin= last_seq->startdisp- (last_seq->len/20);
                        G.v2d->cur.xmax= last_seq->enddisp+ (last_seq->len/20);
                        update_for_newframe();
            }
            break;
      }
}

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

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

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Play Back Animation|Alt A", 0, yco-=20,
                               menuwidth, 19, NULL, 0.0, 0.0, 1, 1, "");
      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, 2, "");

      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, 0, 3, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "View Selected|NumPad .", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 4, "");
      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");

      if(!curarea->full) uiDefIconTextBut(block, BUTM, B_FULL, ICON_BLANK1, "Maximize Window|Ctrl UpArrow", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0,0, "");
      else uiDefIconTextBut(block, BUTM, B_FULL, ICON_BLANK1, "Tile Window|Ctrl DownArrow", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 0, "");

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

      uiTextBoundsBlock(block, 50);

      return block;
}

static void do_seq_selectmenu(void *arg, int event)
{
      switch(event)
      {
      case 0:
            borderselect_seq();
            break;
      case 1:
            swap_select_seq();
            break;
      }
}

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

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

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Border Select|B", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 0, "");
      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|A", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");

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

      uiTextBoundsBlock(block, 50);

      return block;
}

static void do_seq_addmenu_effectmenu(void *arg, int event)
{
      switch(event)
      {
      case 0:
            add_sequence(SEQ_ADD);
            break;
      case 1:
            add_sequence(SEQ_SUB);
            break;
      case 2:
            add_sequence(SEQ_MUL);
            break;
      case 3:
            add_sequence(SEQ_CROSS);
            break;
      case 4:
            add_sequence(SEQ_GAMCROSS);
            break;
      case 5:
            add_sequence(SEQ_ALPHAOVER);
            break;
      case 6:
            add_sequence(SEQ_ALPHAUNDER);
            break;
      case 7:
            add_sequence(SEQ_OVERDROP);
            break;
      case 8:
            add_sequence(SEQ_PLUGIN);
            break;
      case 9:
            add_sequence(SEQ_WIPE);
            break;
      case 10:
            add_sequence(SEQ_GLOW);
            break;
      }
}

static uiBlock *seq_addmenu_effectmenu(void *arg_unused)
{
      uiBlock *block;
      short yco = 20, menuwidth = 120;

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

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Add", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Subtract", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Multiply", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 2, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Cross", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 3, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Gamma Cross", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 4, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Alpha Over", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 5, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Alpha Under", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 6, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Alpha Over Drop", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 7, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Wipe", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 9, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Glow", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 10, "");
      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Plugin...", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 8, "");


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

      return block;
}


static void do_seq_addmenu(void *arg, int event)
{
      switch(event)
      {
      case 0:
            add_sequence(SEQ_IMAGE);
            break;
      case 1:
            add_sequence(SEQ_MOVIE);
            break;
      case 2:
            add_sequence(SEQ_SOUND);
            break;
      case 3:
            add_sequence(SEQ_SCENE);
            break;
      }
}

static uiBlock *seq_addmenu(void *arg_unused)
{
      uiBlock *block;
      short yco = 20, menuwidth = 120;

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

      uiDefIconTextBlockBut(block, seq_addmenu_effectmenu, NULL, ICON_RIGHTARROW_THIN, "Effect", 0, yco-=20, 120, 19, "");

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

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Audio", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 2, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Scene", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 3, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Images", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Movie", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");

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

      uiTextBoundsBlock(block, 50);

      return block;
}

static void do_seq_editmenu(void *arg, int event)
{
      SpaceSeq *sseq;

      sseq= curarea->spacedata.first;

      switch(event)
      {
      case 1: /* Change Strip... */
            change_sequence();
            break;
      case 2: /* Make Meta Strip */
            make_meta();
            break;
      case 3: /* Separate Meta Strip */
            un_meta();
            break;
      case 4: /* Properties... */
            add_blockhandler(curarea, SEQ_HANDLER_PROPERTIES, UI_PNL_UNSTOW);
            break;
      case 5: /* Duplicate */
            add_duplicate_seq();
            break;
      case 6: /* Delete */
            del_seq();
            break;
      case 8:
            set_filter_seq();
            break;
      case 9:
            enter_meta();
            break;
      case 10:
            exit_meta();
            break;
      case 11: /* grab/move */
            transform_seq('g');
            break;
      case 12: /* Snap to Current Frame */
            seq_snap(event);
          break;
      }
}

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

      ed = G.scene->ed;

      block= uiNewBlock(&curarea->uiblocks, "seq_editmenu", UI_EMBOSSP, UI_HELV, curarea->headwin);
      uiBlockSetButmFunc(block, do_seq_editmenu, NULL);
      
      uiDefIconTextBut(block, BUTM, 1, ICON_MENU_PANEL, "Strip Properties...|N", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 4, "");

      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Grab/Move|G", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 11, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Snap to Current Frame|Shift S, 1", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 1, 12, "");

      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, 5, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Delete|X", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 6, "");

      if (last_seq != NULL && last_seq->type != SEQ_MOVIE) {
            uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");

            if(last_seq->type >= SEQ_EFFECT) uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Change Effect...|C", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
            else if(last_seq->type == SEQ_IMAGE) uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Change Image...|C", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
            else uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Change Scene...|C", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 1, "");
      }

/*    if (last_seq != NULL && last_seq->type == SEQ_MOVIE) {
            uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Set Filter Y|F", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 8, "");
      }
*/

      uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Make Meta Strip...|M", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 2, "");
      uiDefIconTextBut(block, BUTM, 1, ICON_BLANK1, "Separate Meta Strip...|Alt M", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 3, "");
      if ((ed != NULL) && (ed->metastack.first > 0)){
            uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
            uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_HLT, "Enter/Exit Meta Strip|Tab", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 10, "");
      }
      else {
            if (last_seq != NULL && last_seq->type == SEQ_META) {
                  uiDefBut(block, SEPR, 0, "",        0, yco-=6, menuwidth, 6, NULL, 0.0, 0.0, 0, 0, "");
                  uiDefIconTextBut(block, BUTM, 1, ICON_CHECKBOX_DEHLT, "Enter/Exit Meta Strip|Tab", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 9, "");
            }
      }
      

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

      uiTextBoundsBlock(block, 50);

      return block;
}


void do_seq_buttons(short event)
{
      Editing *ed;

      ed= G.scene->ed;
      if(ed==0) return;

      switch(event) {
      case B_SEQHOME:
            G.v2d->cur= G.v2d->tot;
            test_view2d(G.v2d, curarea->winx, curarea->winy);
            scrarea_queue_winredraw(curarea);
            break;
      case B_SEQCLEAR:
            free_imbuf_seq();
            allqueue(REDRAWSEQ, 1);
            break;
      }
}

void seq_buttons()
{
      SpaceSeq *sseq;
      short xco;
      char naam[20];
      uiBlock *block;
      short xmax;

      sseq= curarea->spacedata.first;

      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_SEQ;

      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, "Enables display of 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, "Hides pulldown menus");
      }
      uiBlockSetEmboss(block, UI_EMBOSS);
      xco+=XIC;


      /* pull down menus */
      if((curarea->flag & HEADER_NO_PULLDOWN)==0) {
            uiBlockSetEmboss(block, UI_EMBOSSP);

            xmax= GetButStringLength("View");
            uiDefPulldownBut(block,seq_viewmenu, NULL, "View", xco, -2, xmax-3, 24, "");
            xco+=xmax;

            xmax= GetButStringLength("Select");
            uiDefPulldownBut(block,seq_selectmenu, NULL, "Select", xco, -2, xmax-3, 24, "");
            xco+=xmax;

            xmax= GetButStringLength("Add");
            uiDefPulldownBut(block, seq_addmenu, NULL, "Add", xco, -2, xmax-3, 24, "");
            xco+= xmax;

            xmax= GetButStringLength("Strip");
            uiDefPulldownBut(block, seq_editmenu, NULL, "Strip", xco, -2, xmax-3, 24, "");
            xco+= xmax;

            /* end of pull down menus */
            uiBlockSetEmboss(block, UI_EMBOSS);
      }

      /* IMAGE */
      uiDefIconButS(block, TOG, B_REDR, ICON_IMAGE_COL,     xco,0,XIC,YIC, &sseq->mainb, 0, 0, 0, 0, "Shows the sequence output image preview");

      /* ZOOM and BORDER */
      xco+= 8;
      uiDefIconButI(block, TOG, B_VIEW2DZOOM, ICON_VIEWZOOM,      xco+=XIC,0,XIC,YIC, &viewmovetemp, 0, 0, 0, 0, "Zooms view in and out (Ctrl MiddleMouse)");
      uiDefIconBut(block, BUT, B_IPOBORDER, ICON_BORDERMOVE,      xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "Zooms view to fit area");

      /* CLEAR MEM */
      xco+= 8;
      uiDefBut(block, BUT, B_SEQCLEAR, "Refresh",     xco+=XIC,0,3*XIC,YIC, 0, 0, 0, 0, 0, "Clears all buffered images in memory");

      uiDrawBlock(block);
}

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