/**
 * header_sound.c oct-2003
 *
 * Functions to draw the "Audio Timeline" window header
 * and handle user events sent to it.
 *
 * $Id$
 *
 * ***** 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

#include "BMF_Api.h"
#include "BIF_language.h"

#include "DNA_ID.h"
#include "DNA_screen_types.h"
#include "DNA_scene_types.h"
#include "DNA_sound_types.h"
#include "DNA_space_types.h"
#include "DNA_view2d_types.h"
#include "DNA_userdef_types.h"

#include "BIF_editsound.h"
#include "BIF_gl.h"
#include "BIF_interface.h"
#include "BIF_previewrender.h"
#include "BIF_resources.h"
#include "BIF_screen.h"
#include "BIF_space.h"
#include "BIF_toolbox.h"
#include "BIF_butspace.h"

#include "BKE_global.h"
#include "BKE_main.h"

#include "BSE_drawipo.h"
#include "BSE_filesel.h"
#include "BSE_headerbuttons.h"

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

void do_sound_buttons(unsigned short event)
{
	ID *id, *idtest;
	int nr;
	char name[256];

	switch(event) {

	case B_SOUNDBROWSE: 
		if(G.ssound->sndnr== -2) {
			activate_databrowse((ID *)G.ssound->sound, ID_SO, 0,
											B_SOUNDBROWSE, &G.ssound->sndnr, do_sound_buttons);
			return;
		}
		if (G.ssound->sndnr < 0) break;
		if (G.ssound->sndnr == 32766) {
			if (G.ssound && G.ssound->sound) strcpy(name, G.ssound->sound->name);
			else strcpy(name, U.sounddir);
			activate_fileselect(FILE_SPECIAL, "SELECT WAV FILE", name,
											load_space_sound);
		} else {
			nr= 1;
			id= (ID *)G.ssound->sound;

			idtest= G.main->sound.first;
			while(idtest) {
				if(nr==G.ssound->sndnr) {
					break;
				}
				nr++;
				idtest= idtest->next;
			}

			if(idtest==0) { /* no new */
				return;
			}

			if(idtest!=id) {
				G.ssound->sound= (bSound *)idtest;
				if(idtest->us==0) idtest->us= 1;
				allqueue(REDRAWSOUND, 0);
			}
		}

		break;
	case B_SOUNDBROWSE2:	
		id = (ID *)G.buts->lockpoin;
		if(G.buts->texnr == -2) {
			activate_databrowse(id, ID_SO, 0, B_SOUNDBROWSE2,
											&G.buts->texnr, do_sound_buttons);
			return;
		}
		if (G.buts->texnr < 0) break;
		if (G.buts->texnr == 32766) {
			if (id) strcpy(name, ((bSound *)id)->name);
			else strcpy(name, U.sounddir);
			activate_fileselect(FILE_SPECIAL, "SELECT WAV FILE", name, load_sound_buttons);
		} 
		else {
			nr= 1;

			idtest= G.main->sound.first;
			while (idtest) {
				if(nr == G.buts->texnr) {
					break;
				}
				nr++;
				idtest = idtest->next;
			}

			if (idtest == 0) {	/* geen new */
				return;
			}

			if (idtest != id) {
				G.buts->lockpoin = (bSound *)idtest;
				if(idtest->us==0) idtest->us= 1;
				allqueue(REDRAWBUTSSCENE, 0);
			}
		}
		break;

	case B_SOUNDHOME:
		if(G.ssound->sound==NULL) {
			G.v2d->tot.xmin= G.scene->r.sfra;
			G.v2d->tot.xmax= G.scene->r.efra;
		}
		G.v2d->cur= G.v2d->tot;
		test_view2d(G.v2d, curarea->winx, curarea->winy);
		scrarea_queue_winredraw(curarea);
		break;
	}
}

static void do_sound_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: /* View All */
			do_sound_buttons(B_SOUNDHOME);
			break;
		case 4: /* Maximize Window */
			/* using event B_FULL */
			break;
	}
	allqueue(REDRAWVIEW3D, 0);
}

static uiBlock *sound_viewmenu(void *arg_unused)
{
	uiBlock *block;
	short yco= 0, menuwidth=120;
	
	block= uiNewBlock(&curarea->uiblocks, "sound_viewmenu", 
					  UI_EMBOSSP, UI_HELV, curarea->headwin);
	uiBlockSetButmFunc(block, do_sound_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, 1, 3, "");
		
	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, 4, "");
	else 
		uiDefIconTextBut(block, BUTM, B_FULL, ICON_BLANK1, "Tile Window|Ctrl DownArrow", 0, yco-=20, menuwidth, 19, NULL, 0.0, 0.0, 0, 4, "");
	
	if(curarea->headertype==HEADERTOP) {
		uiBlockSetDirection(block, UI_DOWN);
	}
	else {
		uiBlockSetDirection(block, UI_TOP);
		uiBlockFlipOrder(block);
	}

	uiTextBoundsBlock(block, 50);
	
	return block;
}

void sound_buttons(void)
{
	uiBlock *block;
	short xco, xmax;
	char naam[256];
	char ch[20];
	
	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_SOUND;

	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) {
		uiDefIconButBitS(block, TOG, HEADER_NO_PULLDOWN, B_FLIPINFOMENU, 
					  ICON_DISCLOSURE_TRI_RIGHT,
					  xco,2,XIC,YIC-2,
					  &(curarea->flag), 0, 0, 0, 0, 
					  "Show pulldown menus");
	}
	else {
		uiDefIconButBitS(block, TOG, HEADER_NO_PULLDOWN, 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, sound_viewmenu, NULL, 
					  "View", xco, -2, xmax-3, 24, "");
		xco+= xmax;

	}

	uiBlockSetEmboss(block, UI_EMBOSSX);
	xco= std_libbuttons(block, xco+8, 0, 0, NULL, B_SOUNDBROWSE, (ID *)G.ssound->sound, 0, &(G.ssound->sndnr), 1, 0, 0, 0, 0);	

	if(G.ssound->sound) {
		bSound *sound= G.ssound->sound;

		if (sound->sample && sound->sample->len)
		{
			if (sound->sample->channels == 1)
				strcpy(ch, "Mono");
			else if (sound->sample->channels == 2)
				strcpy(ch, "Stereo");
			else
				strcpy(ch, "Unknown");
			
			sprintf(naam, "Sample: %s, %d bit, %d Hz, %d samples", ch, sound->sample->bits, sound->sample->rate, sound->sample->len);
			cpack(0x0);
			glRasterPos2i(xco+10, 5);
			BMF_DrawString(uiBlockGetCurFont(block), naam);
		}
		else
		{
			sprintf(naam, "No sample info available.");
			cpack(0x0);
			glRasterPos2i(xco+10, 5);
			BMF_DrawString(uiBlockGetCurFont(block), naam);
		}
		
	}

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

	uiDrawBlock(block);
}

/* the next two functions are also called from fileselect: */

void load_space_sound(char *str)
{
	bSound *sound;

	sound= sound_new_sound(str);
	if (sound) {
		if (G.ssound) {
			G.ssound->sound= sound;
		}
	} else {
		error("Not a valid sample: %s", str);
	}

	allqueue(REDRAWSOUND, 0);
	allqueue(REDRAWBUTSLOGIC, 0);
}

void load_sound_buttons(char *str)
{
	bSound *sound;

	sound= sound_new_sound(str);
	if (sound) {
		if (curarea && curarea->spacetype==SPACE_BUTS) {
			if (G.buts->mainb == CONTEXT_SCENE) {
				if( G.buts->tab[CONTEXT_SCENE]==TAB_SCENE_SOUND )
					G.buts->lockpoin = sound;
			}
		}
	} 
	else {
		error("Not a valid sample: %s", str);
	}

	allqueue(REDRAWBUTSSCENE, 0);
}