/* hf_dialog_options.c - "Pot-pourri" of functions and structures
 *	for managing the HF dialogs - created from hf_wrapper.c on 2006-01-01
 *
 * Copyright (C) 2001, 2006 Patrice St-Gelais
 *         patrstg@users.sourceforge.net
 *         http://geomorph.sourceforge.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 "hf.h"
#include "hf_dialog_options.h"
#include "hf_wrapper.h"
#include "hf_filters_dialog.h"
#include "hf_creation_dialog.h"
#include "hf_tools_dialog.h"
#include "fourier.h"
#include "gl_preview.h"
#include "draw_tools_dialog.h"
#include "img_process_dialog.h"

gpointer hf_options_dialog_new(GtkWidget *window,
		GtkWidget *creation_container,
		GtkTooltips *tooltips, gpointer widget_list, gpointer data,
		gpointer commit_fn_ptr, gpointer reset_fn_ptr, gpointer commit_data_ptr) {
	// Options structure related to the tools dialog,
	// initialized once for all the documents
	gint i;
	hf_options_struct *hf_options;
	hf_options = (hf_options_struct *) malloc(sizeof(hf_options_struct));
	hf_options->tools_window = window;
	hf_options->tools_dialog = NULL;
//	hf_options->creation_widgets = (hf_creation_wdg_struct *) widget_list;
	hf_options->current_tools = NULL;
	hf_options->context = TRANSFORM_CONTEXT;
	hf_options->last_creation_action = NULL;
	hf_options->tooltips = tooltips;
	hf_options->current_callb = hfuniform_callb;
	hf_options->current_calculation = (gpointer) uniform;
	hf_options->subdiv1_dialog = NULL;
	hf_options->subdiv2_dialog = NULL;
	hf_options->subdiv2_direct_upd = TRUE;
	hf_options->waves_dialog = NULL;
	hf_options->surfadd_dialog = NULL;
//	hf_options->uniform_value = NULL;
	hf_options->subdiv1_options = NULL;
	hf_options->subdiv2_options = NULL;
	hf_options->surfadd_options = NULL;
	hf_options->waves_options = NULL;
	hf_options->wide_filter = NULL;
	hf_options->medium_filter1 = NULL;
	hf_options->medium_filter2 = NULL;
	hf_options->sharp_filter = NULL;
	hf_options->image_filter = NULL;
	hf_options->gauss_filter = NULL;
	hf_options->dist_matrix = dist_matrix_new(0);
	hf_options->creation_fd_struct = filter_dialog_new(window,tooltips,data);
	hf_options->fd_struct = hf_options->creation_fd_struct;
	hf_options->doc_list = NULL;
//	Default dialog
	hf_options->uniform_value = (hf_type *) malloc(sizeof(hf_type));
	(*hf_options->uniform_value) = 32767;
	hf_options->current_options = (gpointer) hf_options->uniform_value;
	hf_options->uniform_dialog = uniform_dialog_new(data,
			*hf_options->uniform_value);
	gtk_widget_show(hf_options->uniform_dialog );
	hf_options->current_dialog =hf_options->uniform_dialog  ;
//	The default is to add the main filters dialog to the creation container
	gtk_container_add(GTK_CONTAINER(creation_container),
			hf_options->fd_struct->filter_dialog);
	hf_options->flag_uniform_done = FALSE;
	set_filter_defaults(hf_options->fd_struct);
	gtk_container_add(GTK_CONTAINER(creation_container),
			hf_options->uniform_dialog);

	hf_options->draw = NULL;

// 	Cursors
	hf_options->default_cursor = gdk_cursor_new(GDK_LEFT_PTR);
	hf_options->current_cursor = hf_options->default_cursor;
	hf_options->pencil_cursor = gdk_cursor_new(GDK_PENCIL);
	hf_options->watch_cursor = gdk_cursor_new(GDK_WATCH);
	hf_options->fleur_cursor = gdk_cursor_new(GDK_FLEUR);
	hf_options->hf_size = 0;	// Initialized by hf_wrapper_new and size_callb
	hf_options->img = NULL;
	hf_options->need_tmp_buf = FALSE;	// Flag:  if we need temp buffer for brightness / contrast
						// useful after an undo...

//	OpenGL preview
	hf_options->gl_defaults = gl_defaults_init ( );

	for (i=0; i<GAUSS_LIST_LENGTH; i++)
		hf_options->gauss_list[i] = NULL;

	// Context management functions and data
	// The pointer field is inherited from app.h
	hf_options->commit_fn = commit_fn_ptr;
	hf_options->reset_fn = reset_fn_ptr;
	hf_options->commit_data = commit_data_ptr;
	hf_options->povray_pid = 0;
	hf_options->primit_surf = NULL;
	hf_options->fourier = fourier_dialog_new();
	return (gpointer) hf_options;
}

void hf_options_dialog_free( hf_options_struct *hf_opt) {
	gint i;
	if (!hf_opt) return;
// printf("HF_OPTIONS_DIALOG_FREE-1\n");
	if (hf_opt->creation_widgets)
		free(hf_opt->creation_widgets);
	if (hf_opt->uniform_value)
		free(hf_opt->uniform_value);
	if (hf_opt->subdiv1_options)
		free(hf_opt->subdiv1_options);
	if (hf_opt->subdiv2_options)
		free(hf_opt->subdiv2_options);
	if (hf_opt->surfadd_options)
		free(hf_opt->surfadd_options);
	if (hf_opt->waves_options)
		free(hf_opt->waves_options);
	if (hf_opt->wide_filter)
		filter_free(hf_opt->wide_filter);
	if (hf_opt->medium_filter1)
		filter_free(hf_opt->medium_filter1);
	if (hf_opt->medium_filter2)
		filter_free(hf_opt->medium_filter2);
	if (hf_opt->sharp_filter)
		filter_free(hf_opt->sharp_filter);
	if (hf_opt->gauss_filter)
		filter_free(hf_opt->gauss_filter);
	for (i=0; i<GAUSS_LIST_LENGTH; i++)
		if (hf_opt->gauss_list[i])
			free(hf_opt->gauss_list[i]);
	if (hf_opt->img)
		img_dialog_free(hf_opt->img);
	if (hf_opt->draw)
		draw_tools_free(hf_opt->draw);
	if (hf_opt->fourier)
		fourier_dialog_free(hf_opt->fourier);
	free(hf_opt);
// printf("HF_OPTIONS_DIALOG_FREE-2\n");
}

void set_commit_reset_fns (hf_options_struct *hfo,
	gpointer commit_fn,
	gpointer reset_fn,
	gpointer data) {

	// Set the functions and data to execute when we change context
	*hfo->commit_fn = commit_fn;
	*hfo->reset_fn = reset_fn;
	*((hf_wrapper_struct **) hfo->commit_data) = data;
}

void hf_commit_or_reset (hf_options_struct *hfo) {
//	Commits or resets a change, with the functions and data given in hf_options
	if (hfo->commit_data && hfo->commit_fn && hfo->reset_fn)
		commit_or_reset (hfo->commit_fn,
			hfo->reset_fn,
			* (hf_wrapper_struct **) hfo->commit_data);
}