trunk/libfjme/tools.h

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/*
A GTK video editor Designed for Artists to do, special effects, compositing and animation.
Copyright (C) 2011  Fabio J. Gonzalez

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 3 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef FJME_TOOLS_H
#define FJME_TOOLS_H 1

#include "basic.h"

#define LOCK_HORIZONTAL (1)
#define LOCK_VERTICAL (1 << 1)
#define LOCK_DISTANCE (1 << 2)
#define LOCK_RELATIVE (1 << 3)

struct struct_lock_values;
typedef struct struct_lock_values struct_lock_values;

struct ClickSelectDrag;
typedef struct ClickSelectDrag ClickSelectDrag;

typedef gboolean(*GWFunction)(GtkWidget* widget, gpointer data);

struct struct_lock_values {
    GtkWidget* vbox;
    GtkWidget* toggle1;
    GtkWidget* toggle2;
    GtkWidget* toggle3;
    GtkWidget* toggle4;
    GtkWidget* button;

    guchar lock_type;

    gdouble lock_ax;
    gdouble lock_ay;

    gdouble lock_bx;
    gdouble lock_by;

    gdouble *ax;
    gdouble *ay;

    gdouble *bx;
    gdouble *by;
};

void lock_values_set_config(GtkWidget* widget, gpointer* data);

void lock_values(gdouble* ax, gdouble* ay, gdouble* bx, gdouble* by, guchar props);

void lock_values_Init(iPlugin* p);
void lock_values_Frame(iPlugin* p);
void lock_values_Config(iPlugin* p);

/*
 * Click, select and grab 
 * graphical plugins.
 * 
 * Ticket: #25
 */

struct ClickSelectDrag {
    gdouble x;
    gdouble y;
    gboolean dragged;
    gboolean shift;
    GList* selecteds;
};

gboolean ClickSelectDragMotionEvent(GtkWidget *widget, GdkEventMotion *evt, gpointer data);
gboolean ClickSelectDragButtonEvent(GtkWidget *widget, GdkEventButton *evt, gpointer data);
gboolean ClickSelectDragKeyEvent(GtkWidget *widget, GdkEventKey *evt, gpointer data);

void ClickSelectDrag_Init(iPlugin* p);
void ClickSelectDrag_Frame(iPlugin* p);

/*
 * Adjust events for 
 * keyframe managements.
 * Show a graphical menu.
 * Allow key i and key d support
 */

struct keyframe_signal {
    GtkWidget* widget;
    GWFunction frame_insert;
    GWFunction frame_delete;
    gpointer data;
    GtkWidget* menu;
    GtkWidget* insert;
    GtkWidget * delete;
};


void keyframe_signal_call_insert(gpointer data);
void keyframe_signal_call_delete(gpointer data);

void keyframe_signal_set(GtkWidget* widget, GWFunction frame_insert,
        GWFunction frame_delete, gpointer data);

gboolean keyframe_signal_set_key_event(GtkWidget *widget,
        GdkEventKey *evt, gpointer data);

gboolean keyframe_signal_set_button_event(GtkWidget *widget,
        GdkEventButton *evt, gpointer data);


void click_select_drag_init( iPlugin* me );
void click_select_drag_frame( iPlugin* me );

iPlugin* click_select_drag_new( iPlugin* p );

void click_select_drag_delete( iPlugin* screen );



#endif