gimp/app/tools.h

129 lines
3.7 KiB
C

/* 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 "layerF.h"
#include "gdisplayF.h"
#include "tool_options.h"
#include "toolsF.h"
#include <gtk/gtk.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... */
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; /* Preserve this tool through the current image changes */
/* Action functions */
ButtonPressFunc button_press_func;
ButtonReleaseFunc button_release_func;
MotionFunc motion_func;
ArrowKeysFunc arrow_keys_func;
ModifierKeyFunc modifier_key_func;
CursorUpdateFunc cursor_update_func;
ToolCtlFunc control_func;
};
struct _ToolInfo
{
ToolOptions *tool_options;
char *tool_name;
int toolbar_position;
char *menu_path;
char *menu_accel;
char **icon_data;
char *tool_desc;
char *private_tip;
gint tool_id;
ToolInfoNewFunc new_func;
ToolInfoFreeFunc free_func;
ToolInfoInitFunc init_func;
GtkWidget *tool_widget;
};
/* Global Data Structure */
extern Tool * active_tool;
extern ToolType active_tool_type;
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 (ToolType tool_type,
ToolOptions *tool_options);
void active_tool_control (int, void *);
/* Standard member functions */
void standard_arrow_keys_func (Tool *, GdkEventKey *, gpointer);
void standard_modifier_key_func (Tool *, GdkEventKey *, gpointer);
#endif /* __TOOLS_H__ */