/**
 * $Id:
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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.
 *
 * The Original Code is Copyright (C) 2007 Blender Foundation.
 * All rights reserved.
 *
 * 
 * Contributor(s): Blender Foundation
 *
 * ***** END GPL LICENSE BLOCK *****
 */
#ifndef DNA_WINDOWMANAGER_TYPES_H
#define DNA_WINDOWMANAGER_TYPES_H

#include "DNA_listBase.h"
#include "DNA_vec_types.h"

#include "DNA_ID.h"

/* defined here: */
struct wmWindowManager;
struct wmWindow;

struct wmEvent;
struct wmOperatorType;
struct wmOperator;

/* forwards */
struct bContext;
struct wmLocal;
struct bScreen;
struct uiBlock;
struct wmSubWindow;
struct wmTimer;
struct StructRNA;
struct PointerRNA;
struct ReportList;

/* windowmanager is saved, tag WMAN */
typedef struct wmWindowManager {
	ID id;
	
	struct wmWindow *windrawable, *winactive;		/* separate active from drawable */
	ListBase windows;
	
	int initialized;		/* set on file read */
	int pad;
	
	ListBase operators;		/* operator registry */
	
	ListBase queue;			/* refresh/redraw wmNotifier structs */
	
	ListBase reports;		/* information and error reports */
	
	ListBase jobs;			/* threaded jobs manager */
	
	ListBase paintcursors;	/* extra overlay cursors to draw, like circles */
	
	/* used keymaps, optionally/partially saved */
	ListBase keymaps;
	
} wmWindowManager;


/* the savable part, rest of data is local in ghostwinlay */
typedef struct wmWindow {
	struct wmWindow *next, *prev;
	
	void *ghostwin;		/* dont want to include ghost.h stuff */
	
	int winid, pad;		/* winid also in screens, is for retrieving this window after read */
	
	struct bScreen *screen;	/* active screen */
	char screenname[32];	/* MAX_ID_NAME for matching window with active screen after file read */
	
	short posx, posy, sizex, sizey;	/* window coords */
	short windowstate;	/* borderless, full */
	short monitor;		/* multiscreen... no idea how to store yet */
	short active;		/* set to 1 if an active window, for quick rejects */
	short cursor;		/* current mouse cursor type */
	
	struct wmEvent *eventstate;	/* storage for event system */
	
	struct wmSubWindow *curswin;	/* internal for wm_subwindow.c only */

	int drawmethod, drawfail;	/* internal for wm_draw.c only */
	void *drawdata;				/* internal for wm_draw.c only */
	
	ListBase timers;
	
	ListBase queue;				/* all events (ghost level events were handled) */
	ListBase handlers;			/* window+screen handlers, overriding all queues */
	
	ListBase subwindows;	/* opengl stuff for sub windows, see notes in wm_subwindow.c */
	ListBase gesture;		/* gesture stuff */
} wmWindow;

#
#
typedef struct wmOperatorType {
	struct wmOperatorType *next, *prev;
	
	char *name;		/* text for ui, undo */
	char *idname;	/* unique identifier */
	
	/* this callback executes the operator without any interactive input,
	 * parameters may be provided through operator properties. cannot use
	 * any interface code or input device state.
	 * - see defines below for return values */
	int (*exec)(struct bContext *, struct wmOperator *);

	/* for modal temporary operators, initially invoke is called. then
	 * any further events are handled in modal. if the operation is
	 * cancelled due to some external reason, cancel is called
	 * - see defines below for return values */
	int (*invoke)(struct bContext *, struct wmOperator *, struct wmEvent *);
	int (*cancel)(struct bContext *, struct wmOperator *);
	int (*modal)(struct bContext *, struct wmOperator *, struct wmEvent *);

	/* verify if the operator can be executed in the current context, note
	 * that the operator might still fail to execute even if this return true */
	int (*poll)(struct bContext *);
	
	/* panel for redo and repeat */
	void *(*uiBlock)(struct wmOperator *);
	
	/* rna for properties */
	struct StructRNA *srna;
	
	short flag;

	/* only used for operators defined with python
	 * use to store pointers to python functions */
	void *pyop_data;

} wmOperatorType;

#define OP_MAX_TYPENAME	64

/* partial copy of the event, for matching by eventhandler */
typedef struct wmKeymapItem {
	struct wmKeymapItem *next, *prev;
	
	char idname[64];				/* used to retrieve operator type pointer */
	struct PointerRNA *ptr;			/* rna pointer to access properties */
	
	short type;						/* event code itself */
	short val;						/* 0=any, 1=click, 2=release, or wheelvalue, or... */
	short shift, ctrl, alt, oskey;	/* oskey is apple or windowskey, value denotes order of pressed */
	short keymodifier;				/* rawkey modifier */
	
	short pad;
} wmKeymapItem;

#define KMAP_MAX_NAME	64

/* stored in WM, the actively used keymaps */
typedef struct wmKeyMap {
	struct wmKeyMap *next, *prev;
	
	ListBase keymap;
	
	char nameid[64];	/* global editor keymaps, or for more per space/region */
	int spaceid;	/* same IDs as in DNA_space_types.h */
	int regionid;   /* see above */
} wmKeyMap;


/* this one is the operator itself, stored in files for macros etc */
/* operator + operatortype should be able to redo entirely, but for different contextes */
typedef struct wmOperator {
	struct wmOperator *next, *prev;

	/* saved */
	char idname[64];			/* used to retrieve type pointer */
	IDProperty *properties;		/* saved, user-settable properties */
	
	/* runtime */
	wmOperatorType *type;		/* operator type definition from idname */
	void *customdata;			/* custom storage, only while operator runs */
	struct PointerRNA *ptr;		/* rna pointer to access properties */
	struct ReportList *reports;	/* errors and warnings storage */
} wmOperator;

/* operator type exec(), invoke() modal(), return values */
#define OPERATOR_RUNNING_MODAL	1
#define OPERATOR_CANCELLED		2
#define OPERATOR_FINISHED		4
/* add this flag if the event should pass through */
#define OPERATOR_PASS_THROUGH	8

typedef enum wmRadialControlMode {
	WM_RADIALCONTROL_SIZE,
	WM_RADIALCONTROL_STRENGTH,
	WM_RADIALCONTROL_ANGLE
} wmRadialControlMode;

#endif /* DNA_WINDOWMANAGER_TYPES_H */