//------------------------------------------------------------------------------
//	Copyright (c) 2001-2002, OpenBeOS
//
//	Permission is hereby granted, free of charge, to any person obtaining a
//	copy of this software and associated documentation files (the "Software"),
//	to deal in the Software without restriction, including without limitation
//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
//	and/or sell copies of the Software, and to permit persons to whom the
//	Software is furnished to do so, subject to the following conditions:
//
//	The above copyright notice and this permission notice shall be included in
//	all copies or substantial portions of the Software.
//
//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//	DEALINGS IN THE SOFTWARE.
//
//	File Name:		Desktop.h
//	Author:			DarkWyrm <bpmagic@columbus.rr.com>
//	Description:	Functions used to work with workspaces and general desktop stuff
//  
//------------------------------------------------------------------------------
#ifndef DESKTOP_H_
#define DESKTOP_H_

#include <Window.h>
#include <GraphicsDefs.h>

class ServerWindow;
class DisplayDriver;
class Layer;

void InitDesktop(void);
void ShutdownDesktop(void);

void AddWorkspace(int32 index=-1);
void DeleteWorkspace(int32 index);
int32 CountWorkspaces(void);
void SetWorkspaceCount(int32 count);
int32 CurrentWorkspace(void);
void SetWorkspace(int32 workspace);

void SetScreen(screen_id id);
int32 CountScreens(void);
screen_id ActiveScreen(void);
DisplayDriver *GetGfxDriver(screen_id screen);
status_t SetSpace(int32 index, int32 res, screen_id screen, bool stick=true);

void AddWindowToDesktop(ServerWindow *win, int32 workspace, screen_id screen);
void RemoveWindowFromDesktop(ServerWindow *win);
ServerWindow *GetActiveWindow(void);
void SetActiveWindow(ServerWindow *win);
Layer *GetRootLayer(int32 workspace, screen_id screen);

void set_drag_message(int32 size, int8 *flattened);
int8* get_drag_message(int32 *size);
void empty_drag_message(void);

void lock_layers(void);
void unlock_layers(void);
void lock_dragdata(void);
void unlock_dragdata(void);
void lock_workspaces(void);
void unlock_workspaces(void);

#endif
