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Diffstat (limited to 'app/display/gimptoolline.h')
| -rw-r--r-- | app/display/gimptoolline.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/app/display/gimptoolline.h b/app/display/gimptoolline.h new file mode 100644 index 0000000..80d046d --- /dev/null +++ b/app/display/gimptoolline.h @@ -0,0 +1,99 @@ +/* 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__ */ |