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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimptoolline.h
* Copyright (C) 2017 Michael Natterer <mitch@gimp.org>
*
* 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 <https://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_TOOL_LINE_H__
#define __GIMP_TOOL_LINE_H__
#include "gimptoolwidget.h"
/* in the context of GimpToolLine, "handle" is a collective term for either an
* endpoint or a slider. a handle value may be either a (nonnegative) slider
* index, or one of the values below:
*/
#define GIMP_TOOL_LINE_HANDLE_NONE (-3)
#define GIMP_TOOL_LINE_HANDLE_START (-2)
#define GIMP_TOOL_LINE_HANDLE_END (-1)
#define GIMP_TOOL_LINE_HANDLE_IS_SLIDER(handle) ((handle) >= 0)
#define GIMP_TYPE_TOOL_LINE (gimp_tool_line_get_type ())
#define GIMP_TOOL_LINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_TOOL_LINE, GimpToolLine))
#define GIMP_TOOL_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_TOOL_LINE, GimpToolLineClass))
#define GIMP_IS_TOOL_LINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_TOOL_LINE))
#define GIMP_IS_TOOL_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_TOOL_LINE))
#define GIMP_TOOL_LINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_TOOL_LINE, GimpToolLineClass))
typedef struct _GimpToolLine GimpToolLine;
typedef struct _GimpToolLinePrivate GimpToolLinePrivate;
typedef struct _GimpToolLineClass GimpToolLineClass;
struct _GimpToolLine
{
GimpToolWidget parent_instance;
GimpToolLinePrivate *private;
};
struct _GimpToolLineClass
{
GimpToolWidgetClass parent_class;
/* signals */
gboolean (* can_add_slider) (GimpToolLine *line,
gdouble value);
gint (* add_slider) (GimpToolLine *line,
gdouble value);
void (* prepare_to_remove_slider) (GimpToolLine *line,
gint slider,
gboolean remove);
void (* remove_slider) (GimpToolLine *line,
gint slider);
void (* selection_changed) (GimpToolLine *line);
gboolean (* handle_clicked) (GimpToolLine *line,
gint handle,
GdkModifierType state,
GimpButtonPressType press_type);
};
GType gimp_tool_line_get_type (void) G_GNUC_CONST;
GimpToolWidget * gimp_tool_line_new (GimpDisplayShell *shell,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2);
void gimp_tool_line_set_sliders (GimpToolLine *line,
const GimpControllerSlider *sliders,
gint n_sliders);
const GimpControllerSlider * gimp_tool_line_get_sliders (GimpToolLine *line,
gint *n_sliders);
void gimp_tool_line_set_selection (GimpToolLine *line,
gint handle);
gint gimp_tool_line_get_selection (GimpToolLine *line);
#endif /* __GIMP_TOOL_LINE_H__ */
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