/*
 * CINELERRA
 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
 *
 * 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.
 *
 * 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
 *
 */

#include "automation.h"
#include "cpanel.h"
#include "cwindow.h"
#include "cwindowgui.h"
#include "cwindowtool.h"
#include "edl.h"
#include "edlsession.h"
#include "floatauto.h"
#include "language.h"
#include "mbuttons.h"
#include "mwindow.h"
#include "mwindowgui.h"
#include "theme.h"
#include "track.h"




CPanel::CPanel(MWindow *mwindow,
	CWindowGUI *subwindow,
	int x,
	int y,
	int w,
	int h)
{
	this->mwindow = mwindow;
	this->subwindow = subwindow;
	this->x = x;
	this->y = y;
	this->w = w;
	this->h = h;
}

CPanel::~CPanel()
{
}

void CPanel::create_objects()
{
	int x = this->x, y = this->y;
	subwindow->add_subwindow(operation[CWINDOW_PROTECT] = new CPanelProtect(mwindow, this, x, y));
	y += operation[CWINDOW_PROTECT]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_ZOOM] = new CPanelMagnify(mwindow, this, x, y));
	y += operation[CWINDOW_ZOOM]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_MASK] = new CPanelMask(mwindow, this, x, y));
	y += operation[CWINDOW_MASK]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_RULER] = new CPanelRuler(mwindow, this, x, y));
	y += operation[CWINDOW_RULER]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_CAMERA] = new CPanelCamera(mwindow, this, x, y));
	y += operation[CWINDOW_CAMERA]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_PROJECTOR] = new CPanelProj(mwindow, this, x, y));
	y += operation[CWINDOW_PROJECTOR]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_CROP] = new CPanelCrop(mwindow, this, x, y));
	y += operation[CWINDOW_CROP]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_EYEDROP] = new CPanelEyedrop(mwindow, this, x, y));
	y += operation[CWINDOW_EYEDROP]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_TOOL_WINDOW] = new CPanelToolWindow(mwindow, this, x, y));
	y += operation[CWINDOW_TOOL_WINDOW]->get_h();
	subwindow->add_subwindow(operation[CWINDOW_TITLESAFE] = new CPanelTitleSafe(mwindow, this, x, y));
	y += operation[CWINDOW_TITLESAFE]->get_h();
	x += (w - BC_Slider::get_span(1)) / 2;  y += yS(15);
	subwindow->add_subwindow(cpanel_zoom = new CPanelZoom(mwindow, this, x, y, h-y-yS(20)));
}

void CPanel::reposition_buttons(int x, int y, int h)
{
	this->x = x;
	this->y = y;
	this->h = h;

	for(int i = 0; i < CPANEL_OPERATIONS; i++)
	{
		operation[i]->reposition_window(x, y);
		y += operation[i]->get_h();
	}
	x += (w - BC_Slider::get_span(1)) / 2;
	y += yS(15);
	h = this->h - this->y;
	cpanel_zoom->reposition_window(x, y, w, h-y-yS(20));
	cpanel_zoom->set_pointer_motion_range(h);
}


void CPanel::set_operation(int value)
{
	for(int i = 0; i < CPANEL_OPERATIONS; i++)
	{
		if(i == CWINDOW_TOOL_WINDOW)
		{
			operation[i]->update(mwindow->edl->session->tool_window);
		}
		else
		if(i == CWINDOW_TITLESAFE)
		{
			operation[i]->update(mwindow->edl->session->safe_regions);
		}
		else
// 		if(i == CWINDOW_SHOW_METERS)
// 		{
// 			operation[i]->update(mwindow->edl->session->cwindow_meter);
// 		}
// 		else
		{
			if(i != value)
				operation[i]->update(0);
			else
				operation[i]->update(1);
		}
	}
	if( operation[CWINDOW_ZOOM]->get_value() ||
	    operation[CWINDOW_CAMERA]->get_value() ||
	    operation[CWINDOW_PROJECTOR]->get_value() ) {
		cpanel_zoom->set_shown(1);
		subwindow->update_canvas(0);
	}
	else
		cpanel_zoom->set_shown(0);
}





CPanelProtect::CPanelProtect(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("protect"),
	mwindow->edl->session->cwindow_operation == CWINDOW_PROTECT)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Protect video from changes (F1)"));
}
CPanelProtect::~CPanelProtect()
{
}
int CPanelProtect::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_PROTECT);
	return 1;
}






CPanelMask::CPanelMask(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("mask"),
	mwindow->edl->session->cwindow_operation == CWINDOW_MASK)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Edit mask (F3)"));
}
CPanelMask::~CPanelMask()
{
}
int CPanelMask::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_MASK);
	return 1;
}




CPanelRuler::CPanelRuler(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("ruler"),
	mwindow->edl->session->cwindow_operation == CWINDOW_RULER)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Ruler (F4)"));
}
CPanelRuler::~CPanelRuler()
{
}
int CPanelRuler::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_RULER);
	return 1;
}




CPanelMagnify::CPanelMagnify(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("magnify"),
	mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Zoom view (F2)"));
}
CPanelMagnify::~CPanelMagnify()
{
}
int CPanelMagnify::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_ZOOM);
	return 1;
}


CPanelCamera::CPanelCamera(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("camera"),
	mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Adjust camera automation (F5)"));
}
CPanelCamera::~CPanelCamera()
{
}
int CPanelCamera::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_CAMERA);
	return 1;
}


CPanelProj::CPanelProj(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("projector"),
	mwindow->edl->session->cwindow_operation == CWINDOW_PROJECTOR)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Adjust projector automation (F6)"));
}
CPanelProj::~CPanelProj()
{
}
int CPanelProj::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_PROJECTOR);
	return 1;
}


CPanelCrop::CPanelCrop(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("crop"),
	mwindow->edl->session->cwindow_operation == CWINDOW_CROP)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Crop a layer or output (F7)"));
}

CPanelCrop::~CPanelCrop()
{
}

int CPanelCrop::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_CROP);
	return 1;
}




CPanelEyedrop::CPanelEyedrop(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("eyedrop"),
	mwindow->edl->session->cwindow_operation == CWINDOW_EYEDROP)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Get color (F8)"));
}

CPanelEyedrop::~CPanelEyedrop()
{
}

int CPanelEyedrop::handle_event()
{
	gui->subwindow->set_operation(CWINDOW_EYEDROP);
	return 1;
}




CPanelToolWindow::CPanelToolWindow(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("tool"),
	mwindow->edl->session->tool_window)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Show tool info (F9)"));
}

CPanelToolWindow::~CPanelToolWindow()
{
}

int CPanelToolWindow::handle_event()
{
	mwindow->edl->session->tool_window = get_value();
	gui->subwindow->tool_panel->update_show_window();
	return 1;
}

int CPanelToolWindow::set_shown(int shown)
{
	set_value(shown);
	mwindow->edl->session->tool_window = shown;
	gui->subwindow->tool_panel->update_show_window();
	return 1;
}


CPanelTitleSafe::CPanelTitleSafe(MWindow *mwindow, CPanel *gui, int x, int y)
 : BC_Toggle(x,
 	y,
	mwindow->theme->get_image_set("titlesafe"),
	mwindow->edl->session->safe_regions)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_tooltip(_("Show safe regions (F10)"));
}
CPanelTitleSafe::~CPanelTitleSafe()
{
}
int CPanelTitleSafe::handle_event()
{
	mwindow->edl->session->safe_regions = get_value();
	return gui->subwindow->canvas->refresh(1);
}

CPanelZoom::CPanelZoom(MWindow *mwindow, CPanel *gui, int x, int y, int h)
 : BC_FSlider(x, y, 1, h, h, -2., 2., 0, 0)
{
	this->mwindow = mwindow;
	this->gui = gui;
	set_precision(0.001);
	set_tooltip(_("Zoom"));
}
CPanelZoom::~CPanelZoom()
{
}
int CPanelZoom::handle_event()
{
	FloatAuto *z_auto = 0;
	int aidx = -1;
	float value = get_value();
	BC_FSlider::update(value);
	double zoom = pow(10.,value);
	switch( mwindow->edl->session->cwindow_operation ) {
	case CWINDOW_ZOOM:
		gui->subwindow->canvas->set_zoom(mwindow->edl, zoom);
		gui->subwindow->update_canvas();
		break;
	case CWINDOW_CAMERA:
		aidx = AUTOMATION_CAMERA_Z;
		break;
	case CWINDOW_PROJECTOR:
		aidx = AUTOMATION_PROJECTOR_Z;
		break;
	}
	if( aidx < 0 ) return 1;
	Track *track = mwindow->cwindow->calculate_affected_track();
	if( !track ) return 1;
	z_auto = (FloatAuto*)mwindow->cwindow->calculate_affected_auto(
			track->automation->autos[aidx], 1);
	if( !z_auto ) return 1;
	z_auto->set_value(zoom);
	gui->subwindow->sync_parameters(CHANGE_PARAMS, 1, 1);
	return 1;
}

int CPanelZoom::set_shown(int shown)
{
	if( shown ) {
		show();
		update(gui->subwindow->canvas->get_zoom());
	}
	else
		hide();
	return 1;
}

char *CPanelZoom::get_caption()
{
	double value = get_value();
	int frac = value >= 0. ? 1 : value >= -1. ? 2 : 3;
	double zoom = pow(10., value);
	char *caption = BC_Slider::get_caption();
	sprintf(caption, "%.*f", frac, zoom);
	return caption;
}

void CPanelZoom::update(float zoom)
{
	if( !is_hidden() ) {
		if( zoom < 0.01 ) zoom = 0.01;
		float value = log10f(zoom);
 		BC_FSlider::update(value);
	}
}