/*
 * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2007 Blender Foundation.
 * All rights reserved.
 *
 * 
 * Contributor(s): Blender Foundation
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file DNA_windowmanager_types.h
 *  \ingroup DNA
 */

#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 wmGesture;
struct wmOperatorType;
struct wmOperator;
struct wmKeyMap;
struct wmKeyConfig;

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

#define OP_MAX_TYPENAME	64
#define KMAP_MAX_NAME	64

/* keep in sync with 'wm_report_items' in wm_rna.c */
typedef enum ReportType {
	RPT_DEBUG					= 1<<0,
	RPT_INFO					= 1<<1,
	RPT_OPERATOR				= 1<<2,
	RPT_WARNING					= 1<<3,
	RPT_ERROR					= 1<<4,
	RPT_ERROR_INVALID_INPUT		= 1<<5,
	RPT_ERROR_INVALID_CONTEXT	= 1<<6,
	RPT_ERROR_OUT_OF_MEMORY		= 1<<7
} ReportType;

#define RPT_DEBUG_ALL		(RPT_DEBUG)
#define RPT_INFO_ALL		(RPT_INFO)
#define RPT_OPERATOR_ALL	(RPT_OPERATOR)
#define RPT_WARNING_ALL		(RPT_WARNING)
#define RPT_ERROR_ALL		(RPT_ERROR|RPT_ERROR_INVALID_INPUT|RPT_ERROR_INVALID_CONTEXT|RPT_ERROR_OUT_OF_MEMORY)

enum ReportListFlags {
	RPT_PRINT = 1,
	RPT_STORE = 2,
	RPT_FREE = 4,
	RPT_OP_HOLD = 8 /* don't move them into the operator global list (caller will use) */
};
#
#
typedef struct Report {
	struct Report *next, *prev;
	short type; /* ReportType */
	short flag;
	int len; /* strlen(message), saves some time calculating the word wrap  */
	const char *typestr;
	const char *message;
} Report;

/* saved in the wm, don't remove */
typedef struct ReportList {
	ListBase list;
	int printlevel; /* ReportType */
	int storelevel; /* ReportType */
	int flag, pad;
	struct wmTimer *reporttimer;
} ReportList;

/* timer customdata to control reports display */
#
#
typedef struct ReportTimerInfo {
	float col[3];
	float grayscale;
	float widthfac;
} ReportTimerInfo;

/* reports need to be before wmWindowManager */


/* 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 */
	short file_saved;		/* indicator whether data was saved */
	short op_undo_depth;	/* operator stack depth to avoid nested undo pushes */
	
	ListBase operators;		/* operator registry */
	
	ListBase queue;			/* refresh/redraw wmNotifier structs */
	
	struct ReportList reports;	/* information and error reports */
	
	ListBase jobs;			/* threaded jobs manager */
	
	ListBase paintcursors;	/* extra overlay cursors to draw, like circles */
	
	ListBase drags;			/* active dragged items */
	
	ListBase keyconfigs;				/* known key configurations */
	struct wmKeyConfig *defaultconf;	/* default configuration */
	struct wmKeyConfig *addonconf;		/* addon configuration */
	struct wmKeyConfig *userconf;		/* user configuration */

	ListBase timers;					/* active timers */
	struct wmTimer *autosavetimer;		/* timer for auto save */
} wmWindowManager;

/* wmWindowManager.initialized */
#define WM_INIT_WINDOW		(1<<0)
#define WM_INIT_KEYMAP		(1<<1)

/* the savable part, rest of data is local in ghostwinlay */
typedef struct wmWindow {
	struct wmWindow *next, *prev;
	
	void *ghostwin;		/* don't want to include ghost.h stuff */
	
	int winid;		/* winid also in screens, is for retrieving this window after read */

	short grabcursor; /* cursor grab mode */
	short pad;
	
	struct bScreen *screen;		/* active screen */
	struct bScreen *newscreen;	/* temporary when switching */
	char screenname[64];	/* 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 */
	short lastcursor;	/* previous cursor when setting modal one */
	short modalcursor;	/* the current modal cursor */
	short addmousemove;	/* internal: tag this for extra mousemove event, makes cursors/buttons active on UI switching */
	short pad2;

	struct wmEvent *eventstate;	/* storage for event system */
	
	struct wmSubWindow *curswin;	/* internal for wm_subwindow.c only */

	struct wmGesture *tweak;	/* internal for wm_operators.c */
	
	int drawmethod, drawfail;	/* internal for wm_draw.c only */
	void *drawdata;				/* internal for wm_draw.c only */
	
	ListBase queue;				/* all events (ghost level events were handled) */
	ListBase handlers;			/* window+screen handlers, handled last */
	ListBase modalhandlers;		/* priority handlers, handled first */
	
	ListBase subwindows;	/* opengl stuff for sub windows, see notes in wm_subwindow.c */
	ListBase gesture;		/* gesture stuff */
} wmWindow;

/* should be something like DNA_EXCLUDE 
 * but the preprocessor first removes all comments, spaces etc */

#
#
typedef struct wmOperatorTypeMacro {
	struct wmOperatorTypeMacro *next, *prev;

	/* operator id */
	char idname[64];
	/* rna pointer to access properties, like keymap */
	struct IDProperty *properties;	/* operator properties, assigned to ptr->data and can be written to a file */
	struct PointerRNA *ptr;

} wmOperatorTypeMacro;

/* partial copy of the event, for matching by eventhandler */
typedef struct wmKeyMapItem {
	struct wmKeyMapItem *next, *prev;
	
	/* operator */
	char idname[64];	/* used to retrieve operator type pointer */
	IDProperty *properties;			/* operator properties, assigned to ptr->data and can be written to a file */
	
	/* modal */
	char propvalue_str[64];			/* runtime temporary storage for loading */
	short propvalue;				/* if used, the item is from modal map */

	/* event */
	short type;						/* event code itself */
	short val;						/* KM_ANY, KM_PRESS, KM_NOTHING etc */
	short shift, ctrl, alt, oskey;	/* oskey is apple or windowskey, value denotes order of pressed */
	short keymodifier;				/* rawkey modifier */
	
	/* flag: inactive, expanded */
	short flag;

	/* runtime */
	short maptype;					/* keymap editor */
	short id;						/* unique identifier. Positive for kmi that override builtins, negative otherwise */
	short pad;
	struct PointerRNA *ptr;			/* rna pointer to access properties */
} wmKeyMapItem;

/* used instead of wmKeyMapItem for diff keymaps */
typedef struct wmKeyMapDiffItem {
	struct wmKeyMapDiffItem *next, *prev;

	wmKeyMapItem *remove_item;
	wmKeyMapItem *add_item;
} wmKeyMapDiffItem;

/* wmKeyMapItem.flag */
#define KMI_INACTIVE		1
#define KMI_EXPANDED		2
#define KMI_USER_MODIFIED	4
#define KMI_UPDATE			8

/* stored in WM, the actively used keymaps */
typedef struct wmKeyMap {
	struct wmKeyMap *next, *prev;
	
	ListBase items;
	ListBase diff_items;
	
	char idname[64];	/* global editor keymaps, or for more per space/region */
	short spaceid;		/* same IDs as in DNA_space_types.h */
	short regionid;		/* see above */
	
	short flag;			/* general flags */
	short kmi_id;		/* last kmi id */
	
	/* runtime */
	int (*poll)(struct bContext *);	/* verify if enabled in the current context */
	void *modal_items;				/* for modal, EnumPropertyItem for now */
} wmKeyMap;

/* wmKeyMap.flag */
#define KEYMAP_MODAL				1	/* modal map, not using operatornames */
#define KEYMAP_USER					2	/* user keymap */
#define KEYMAP_EXPANDED				4
#define KEYMAP_CHILDREN_EXPANDED	8
#define KEYMAP_DIFF					16	/* diff keymap for user preferences */
#define KEYMAP_USER_MODIFIED		32	/* keymap has user modifications */
#define KEYMAP_UPDATE				64

typedef struct wmKeyConfig {
	struct wmKeyConfig *next, *prev;

	char idname[64];		/* unique name */
	char basename[64];		/* idname of configuration this is derives from, "" if none */
	
	ListBase keymaps;
	int actkeymap, flag;
} wmKeyConfig;

/* wmKeyConfig.flag */
#define KEYCONF_USER			(1 << 1)
#define KEYCONF_INIT_DEFAULT	(1 << 2)

/* 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 */
	struct wmOperatorType *type;/* operator type definition from idname */
	void *customdata;			/* custom storage, only while operator runs */
	void *py_instance;			/* python stores the class instance here */

	struct PointerRNA *ptr;		/* rna pointer to access properties */
	struct ReportList *reports;	/* errors and warnings storage */

	ListBase macro;				/* list of operators, can be a tree */
	struct wmOperator *opm;		/* current running macro, not saved */
	struct uiLayout *layout;	/* runtime for drawing */
	short flag, pad[3];

} wmOperator;


/* operator type return flags: exec(), invoke() modal(), return values */
#define OPERATOR_RUNNING_MODAL	(1<<0)
#define OPERATOR_CANCELLED		(1<<1)
#define OPERATOR_FINISHED		(1<<2)
/* add this flag if the event should pass through */
#define OPERATOR_PASS_THROUGH	(1<<3)
/* in case operator got executed outside WM code... like via fileselect */
#define OPERATOR_HANDLED		(1<<4)

#define OPERATOR_FLAGS_ALL		((1<<5)-1)

/* sanity checks for debug mode only */
#define OPERATOR_RETVAL_CHECK(ret) (void)ret, BLI_assert(ret != 0 && (ret & OPERATOR_FLAGS_ALL) == ret)

/* wmOperator flag */
#define OP_GRAB_POINTER			1

#endif /* __DNA_WINDOWMANAGER_TYPES_H__ */