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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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.
*/
#ifndef __TOOLS_H__
#define __TOOLS_H__
#include "layer.h"
#include "gdisplay.h"
/* The possible states for tools */
#define INACTIVE 0
#define ACTIVE 1
#define PAUSED 2
/* Tool control actions */
#define PAUSE 0
#define RESUME 1
#define HALT 2
#define CURSOR_UPDATE 3
#define DESTROY 4
#define RECREATE 5
/* The possibilities for where the cursor lies */
#define ACTIVE_LAYER (1 << 0)
#define SELECTION (1 << 1)
#define NON_ACTIVE_LAYER (1 << 2)
/* The types of tools... */
typedef enum
{
RECT_SELECT,
ELLIPSE_SELECT,
FREE_SELECT,
FUZZY_SELECT,
BEZIER_SELECT,
ISCISSORS,
MOVE,
MAGNIFY,
CROP,
ROTATE,
SCALE,
SHEAR,
PERSPECTIVE,
FLIP_HORZ,
FLIP_VERT,
TEXT,
COLOR_PICKER,
BUCKET_FILL,
BLEND,
PENCIL,
PAINTBRUSH,
ERASER,
AIRBRUSH,
CLONE,
CONVOLVE,
/* Non-toolbox tools */
BY_COLOR_SELECT,
COLOR_BALANCE,
BRIGHTNESS_CONTRAST,
HUE_SATURATION,
POSTERIZE,
THRESHOLD,
CURVES,
LEVELS,
HISTOGRAM
} ToolType;
#define XButtonEvent GdkEventButton
#define XMotionEvent GdkEventMotion
/* Structure definitions */
typedef struct _tool Tool;
typedef struct _ToolInfo ToolInfo;
typedef void (* ButtonPressFunc) (Tool *, GdkEventButton *, gpointer);
typedef void (* ButtonReleaseFunc) (Tool *, GdkEventButton *, gpointer);
typedef void (* MotionFunc) (Tool *, GdkEventMotion *, gpointer);
typedef void (* ArrowKeysFunc) (Tool *, GdkEventKey *, gpointer);
typedef void (* CursorUpdateFunc) (Tool *, GdkEventMotion *, gpointer);
typedef void (* ToolCtlFunc) (Tool *, int, gpointer);
struct _tool
{
/* Data */
ToolType type; /* Tool type */
int state; /* state of tool activity */
int paused_count; /* paused control count */
int scroll_lock; /* allow scrolling or not */
int auto_snap_to; /* should the mouse snap to guides automatically */
void * private; /* Tool-specific information */
void * gdisp_ptr; /* pointer to currently active gdisp */
void * drawable; /* pointer to the drawable that was
active when the tool was created */
int ID; /* unique tool ID */
int preserve; /* Perserve this tool through the current image changes */
/* Action functions */
ButtonPressFunc button_press_func;
ButtonReleaseFunc button_release_func;
MotionFunc motion_func;
ArrowKeysFunc arrow_keys_func;
CursorUpdateFunc cursor_update_func;
ToolCtlFunc control_func;
};
struct _ToolInfo
{
GtkWidget *tool_options;
char *tool_name;
int toolbar_position;
};
/* Global Data Structure */
extern Tool * active_tool;
extern Layer * active_tool_layer;
extern ToolInfo tool_info[];
/* Function declarations */
void tools_select (ToolType);
void tools_initialize (ToolType, GDisplay *);
void tools_options_dialog_new (void);
void tools_options_dialog_show (void);
void tools_options_dialog_free (void);
void tools_register_options (ToolType, GtkWidget *);
void * tools_register_no_options (ToolType, char *);
void active_tool_control (int, void *);
/* Standard member functions */
void standard_arrow_keys_func (Tool *, GdkEventKey *, gpointer);
#endif /* __TOOLS_H__ */
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