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/* -*- Mode: C ; c-basic-offset: 2 -*- */
/*
* LADI Session Handler (ladish)
*
* Copyright (C) 2009, 2010, 2011 Nedko Arnaudov <nedko@arnaudov.name>
*
**************************************************************************
* This file contains the interface to the canvas functionality
**************************************************************************
*
* LADI Session Handler 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.
*
* LADI Session Handler 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 LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef CANVAS_H__BE110B39_CB54_47C2_A5B2_FFB3BA7CDA6D__INCLUDED
#define CANVAS_H__BE110B39_CB54_47C2_A5B2_FFB3BA7CDA6D__INCLUDED
#include "common.h"
typedef struct canvas_tag { int unused; } * canvas_handle;
typedef struct canvas_module_tag { int unused; } * canvas_module_handle;
typedef struct canvas_port_tag { int unused; } * canvas_port_handle;
#ifdef __cplusplus
extern "C" {
#endif
#if 0
} /* Adjust editor indent */
#endif
bool
canvas_init(
void);
bool
canvas_create(
double width,
double height,
void * canvas_context,
void (* connect_request)(void * port1_context, void * port2_context),
void (* disconnect_request)(void * port1_context, void * port2_context),
void (* module_location_changed)(void * module_context, double x, double y),
void (* fill_canvas_menu)(GtkMenu * menu, void * canvas_context),
void (* fill_module_menu)(GtkMenu * menu, void * module_context),
void (* fill_port_menu)(GtkMenu * menu, void * port_context),
canvas_handle * canvas_handle_ptr);
GtkWidget *
canvas_get_widget(
canvas_handle canvas);
void
canvas_destroy(
canvas_handle canvas);
void
canvas_clear(
canvas_handle canvas);
void
canvas_get_size(
canvas_handle canvas,
double * width_ptr,
double * height_ptr);
void
canvas_scroll_to_center(
canvas_handle canvas);
double
canvas_get_zoom(
canvas_handle canvas);
void
canvas_set_zoom(
canvas_handle canvas,
double pix_per_unit);
void
canvas_set_zoom_fit(
canvas_handle canvas);
void
canvas_arrange(
canvas_handle canvas);
size_t
canvas_get_selected_modules_count(
canvas_handle canvas);
bool
canvas_get_one_selected_module(
canvas_handle canvas,
void ** module_context_ptr);
bool
canvas_get_two_selected_modules(
canvas_handle canvas,
void ** module1_context_ptr,
void ** module2_context_ptr);
bool
canvas_create_module(
canvas_handle canvas,
const char * name,
double x,
double y,
bool show_title,
bool show_port_labels,
void * module_context,
canvas_module_handle * module_handle_ptr);
bool
canvas_destroy_module(
canvas_handle canvas,
canvas_module_handle module);
void
canvas_set_module_name(
canvas_module_handle module,
const char * name);
const char *
canvas_get_module_name(
canvas_module_handle module);
bool
canvas_create_port(
canvas_handle canvas,
canvas_module_handle module,
const char * name,
bool is_input,
int color,
void * port_context,
canvas_port_handle * port_handle_ptr);
bool
canvas_destroy_port(
canvas_handle canvas,
canvas_port_handle port);
int
canvas_get_port_color(
canvas_port_handle port);
void
canvas_set_port_name(
canvas_port_handle port,
const char * name);
const char *
canvas_get_port_name(
canvas_port_handle port);
bool
canvas_add_connection(
canvas_handle canvas,
canvas_port_handle port1,
canvas_port_handle port2,
uint32_t color);
bool
canvas_remove_connection(
canvas_handle canvas,
canvas_port_handle port1,
canvas_port_handle port2);
bool
canvas_enum_modules(
canvas_handle canvas,
void * callback_context,
bool (* callback)(void * context, canvas_module_handle module));
bool
canvas_enum_module_ports(
canvas_handle canvas,
canvas_module_handle module,
void * callback_context,
bool (* callback)(void * context, canvas_port_handle port));
#if 0
{ /* Adjust editor indent */
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* #ifndef CANVAS_H__BE110B39_CB54_47C2_A5B2_FFB3BA7CDA6D__INCLUDED */
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