hint.h

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#ifndef HINT_H
#define HINT_H

struct ClientNode;

typedef enum {

   /* Misc */
   ATOM_COMPOUND_TEXT,
   ATOM_UTF8_STRING,
   ATOM_XSETROOT_ID,

   /* Standard atoms */
   ATOM_WM_STATE,
   ATOM_WM_PROTOCOLS,
   ATOM_WM_DELETE_WINDOW,
   ATOM_WM_TAKE_FOCUS,
   ATOM_WM_LOCALE_NAME,
   ATOM_WM_CHANGE_STATE,
   ATOM_WM_COLORMAP_WINDOWS,

   /* WM Spec atoms */
   ATOM_NET_SUPPORTED,
   ATOM_NET_NUMBER_OF_DESKTOPS,
   ATOM_NET_DESKTOP_NAMES,
   ATOM_NET_DESKTOP_GEOMETRY,
   ATOM_NET_DESKTOP_VIEWPORT,
   ATOM_NET_CURRENT_DESKTOP,
   ATOM_NET_ACTIVE_WINDOW,
   ATOM_NET_WORKAREA,
   ATOM_NET_SUPPORTING_WM_CHECK,
   ATOM_NET_SHOWING_DESKTOP,
   ATOM_NET_FRAME_EXTENTS,
   ATOM_NET_WM_DESKTOP,

   ATOM_NET_WM_STATE,
   ATOM_NET_WM_STATE_STICKY,
   ATOM_NET_WM_STATE_MAXIMIZED_VERT,
   ATOM_NET_WM_STATE_MAXIMIZED_HORZ,
   ATOM_NET_WM_STATE_SHADED,
   ATOM_NET_WM_STATE_FULLSCREEN,
   ATOM_NET_WM_STATE_HIDDEN,
   ATOM_NET_WM_STATE_SKIP_TASKBAR,
   ATOM_NET_WM_STATE_BELOW,
   ATOM_NET_WM_STATE_ABOVE,

   ATOM_NET_WM_ALLOWED_ACTIONS,
   ATOM_NET_WM_ACTION_MOVE,
   ATOM_NET_WM_ACTION_RESIZE,
   ATOM_NET_WM_ACTION_MINIMIZE,
   ATOM_NET_WM_ACTION_SHADE,
   ATOM_NET_WM_ACTION_STICK,
   ATOM_NET_WM_ACTION_MAXIMIZE_HORZ,
   ATOM_NET_WM_ACTION_MAXIMIZE_VERT,
   ATOM_NET_WM_ACTION_CHANGE_DESKTOP,
   ATOM_NET_WM_ACTION_CLOSE,
   ATOM_NET_WM_ACTION_BELOW,
   ATOM_NET_WM_ACTION_ABOVE,

   ATOM_NET_CLOSE_WINDOW,
   ATOM_NET_MOVERESIZE_WINDOW,

   ATOM_NET_WM_NAME,
   ATOM_NET_WM_ICON,
   ATOM_NET_WM_WINDOW_TYPE,
   ATOM_NET_WM_WINDOW_TYPE_DESKTOP,
   ATOM_NET_WM_WINDOW_TYPE_DOCK,
   ATOM_NET_WM_WINDOW_TYPE_SPLASH,
   ATOM_NET_WM_WINDOW_TYPE_DIALOG,
   ATOM_NET_WM_WINDOW_TYPE_NORMAL,

   ATOM_NET_CLIENT_LIST,
   ATOM_NET_CLIENT_LIST_STACKING,

   ATOM_NET_WM_STRUT_PARTIAL,
   ATOM_NET_WM_STRUT,

   ATOM_NET_SYSTEM_TRAY_OPCODE,

   ATOM_NET_WM_WINDOW_OPACITY,

   /* MWM atoms */
   ATOM_MOTIF_WM_HINTS,

   /* JWM-specific atoms. */
   ATOM_JWM_RESTART,
   ATOM_JWM_EXIT,
   ATOM_JWM_RELOAD,

   ATOM_COUNT
} AtomType;

#define FIRST_NET_ATOM ATOM_NET_SUPPORTED
#define LAST_NET_ATOM  ATOM_NET_SYSTEM_TRAY_OPCODE

#define FIRST_MWM_ATOM ATOM_MOTIF_WM_HINTS
#define LAST_MWM_ATOM  ATOM_MOTIF_WM_HINTS

typedef enum {
   LAYER_BOTTOM              = 0,
   LAYER_BELOW               = 2,
   LAYER_NORMAL              = 4,
   LAYER_ABOVE               = 6,
   DEFAULT_TRAY_LAYER        = 8,
   LAYER_TOP                 = 12,
   LAYER_COUNT               = 13
} WinLayerType;

typedef struct ClientState {
   unsigned int status;    
   unsigned int border;    
   unsigned int layer;     
   unsigned int desktop;   
   unsigned int opacity;   
} ClientState;

typedef enum {
   PROT_NONE       = 0,
   PROT_DELETE     = 1,
   PROT_TAKE_FOCUS = 2
} ClientProtocolType;

extern Atom atoms[ATOM_COUNT];

void InitializeHints();
void StartupHints();
void ShutdownHints();
void DestroyHints();

void ReadCurrentDesktop();

void ReadClientProtocols(struct ClientNode *np);

void ReadWMName(struct ClientNode *np);

void ReadWMClass(struct ClientNode *np);

void ReadWMNormalHints(struct ClientNode *np);

ClientProtocolType ReadWMProtocols(Window w);

void ReadWMColormaps(struct ClientNode *np);

void ReadWinLayer(struct ClientNode *np);

ClientState ReadWindowState(Window win);

void WriteState(struct ClientNode *np);

int GetCardinalAtom(Window window, AtomType atom, unsigned long *value);

int GetWindowAtom(Window window, AtomType atom, Window *value);

void SetCardinalAtom(Window window, AtomType atom, unsigned long value);

void SetWindowAtom(Window window, AtomType atom, unsigned long value);

void SetPixmapAtom(Window window, AtomType atom, Pixmap value);

#endif /* HINT_H */