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Edit File: Xutil.h

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Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
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both that copyright notice and this permission notice appear in
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#ifndef _X11_XUTIL_H_
#define _X11_XUTIL_H_

/* You must include <X11/Xlib.h> before including this file */
#include <X11/Xlib.h>
#include <X11/keysym.h>

/* The Xlib structs are full of implicit padding to properly align members.
   We can't clean that up without breaking ABI, so tell clang not to bother
   complaining about it. */
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

/*
 * Bitmask returned by XParseGeometry().  Each bit tells if the corresponding
 * value (x, y, width, height) was found in the parsed string.
 */
#define NoValue		0x0000
#define XValue  	0x0001
#define YValue		0x0002
#define WidthValue  	0x0004
#define HeightValue  	0x0008
#define AllValues 	0x000F
#define XNegative 	0x0010
#define YNegative 	0x0020

/*
 * new version containing base_width, base_height, and win_gravity fields;
 * used with WM_NORMAL_HINTS.
 */
typedef struct {
    	long flags;	/* marks which fields in this structure are defined */
	int x, y;		/* obsolete for new window mgrs, but clients */
	int width, height;	/* should set so old wm's don't mess up */
	int min_width, min_height;
	int max_width, max_height;
    	int width_inc, height_inc;
	struct {
		int x;	/* numerator */
		int y;	/* denominator */
	} min_aspect, max_aspect;
	int base_width, base_height;		/* added by ICCCM version 1 */
	int win_gravity;			/* added by ICCCM version 1 */
} XSizeHints;

/*
 * The next block of definitions are for window manager properties that
 * clients and applications use for communication.
 */

/* flags argument in size hints */
#define USPosition	(1L << 0) /* user specified x, y */
#define USSize		(1L << 1) /* user specified width, height */

#define PPosition	(1L << 2) /* program specified position */
#define PSize		(1L << 3) /* program specified size */
#define PMinSize	(1L << 4) /* program specified minimum size */
#define PMaxSize	(1L << 5) /* program specified maximum size */
#define PResizeInc	(1L << 6) /* program specified resize increments */
#define PAspect		(1L << 7) /* program specified min and max aspect ratios */
#define PBaseSize	(1L << 8) /* program specified base for incrementing */
#define PWinGravity	(1L << 9) /* program specified window gravity */

/* obsolete */
#define PAllHints (PPosition|PSize|PMinSize|PMaxSize|PResizeInc|PAspect)

typedef struct {
	long flags;	/* marks which fields in this structure are defined */
	Bool input;	/* does this application rely on the window manager to
			get keyboard input? */
	int initial_state;	/* see below */
	Pixmap icon_pixmap;	/* pixmap to be used as icon */
	Window icon_window; 	/* window to be used as icon */
	int icon_x, icon_y; 	/* initial position of icon */
	Pixmap icon_mask;	/* icon mask bitmap */
	XID window_group;	/* id of related window group */
	/* this structure may be extended in the future */
} XWMHints;

/* definition for flags of XWMHints */

#define InputHint 		(1L << 0)
#define StateHint 		(1L << 1)
#define IconPixmapHint		(1L << 2)
#define IconWindowHint		(1L << 3)
#define IconPositionHint 	(1L << 4)
#define IconMaskHint		(1L << 5)
#define WindowGroupHint		(1L << 6)
#define AllHints (InputHint|StateHint|IconPixmapHint|IconWindowHint| \
IconPositionHint|IconMaskHint|WindowGroupHint)
#define XUrgencyHint		(1L << 8)

/* definitions for initial window state */
#define WithdrawnState 0	/* for windows that are not mapped */
#define NormalState 1	/* most applications want to start this way */
#define IconicState 3	/* application wants to start as an icon */

/*
 * Obsolete states no longer defined by ICCCM
 */
#define DontCareState 0	/* don't know or care */
#define ZoomState 2	/* application wants to start zoomed */
#define InactiveState 4	/* application believes it is seldom used; */
			/* some wm's may put it on inactive menu */

/*
 * new structure for manipulating TEXT properties; used with WM_NAME,
 * WM_ICON_NAME, WM_CLIENT_MACHINE, and WM_COMMAND.
 */
typedef struct {
    unsigned char *value;		/* same as Property routines */
    Atom encoding;			/* prop type */
    int format;				/* prop data format: 8, 16, or 32 */
    unsigned long nitems;		/* number of data items in value */
} XTextProperty;

#define XNoMemory -1
#define XLocaleNotSupported -2
#define XConverterNotFound -3

typedef enum {
    XStringStyle,		/* STRING */
    XCompoundTextStyle,		/* COMPOUND_TEXT */
    XTextStyle,			/* text in owner's encoding (current locale)*/
    XStdICCTextStyle,		/* STRING, else COMPOUND_TEXT */
    /* The following is an XFree86 extension, introduced in November 2000 */
    XUTF8StringStyle		/* UTF8_STRING */
} XICCEncodingStyle;

typedef struct {
	int min_width, min_height;
	int max_width, max_height;
	int width_inc, height_inc;
} XIconSize;

typedef struct {
	char *res_name;
	char *res_class;
} XClassHint;

#ifdef XUTIL_DEFINE_FUNCTIONS
extern int XDestroyImage(
        XImage *ximage);
extern unsigned long XGetPixel(
        XImage *ximage,
        int x, int y);
extern int XPutPixel(
        XImage *ximage,
        int x, int y,
        unsigned long pixel);
extern XImage *XSubImage(
        XImage *ximage,
        int x, int y,
        unsigned int width, unsigned int height);
extern int XAddPixel(
        XImage *ximage,
        long value);
#else
/*
 * These macros are used to give some sugar to the image routines so that
 * naive people are more comfortable with them.
 */
#define XDestroyImage(ximage) \
	((*((ximage)->f.destroy_image))((ximage)))
#define XGetPixel(ximage, x, y) \
	((*((ximage)->f.get_pixel))((ximage), (x), (y)))
#define XPutPixel(ximage, x, y, pixel) \
	((*((ximage)->f.put_pixel))((ximage), (x), (y), (pixel)))
#define XSubImage(ximage, x, y, width, height)  \
	((*((ximage)->f.sub_image))((ximage), (x), (y), (width), (height)))
#define XAddPixel(ximage, value) \
	((*((ximage)->f.add_pixel))((ximage), (value)))
#endif

/*
 * Compose sequence status structure, used in calling XLookupString.
 */
typedef struct _XComposeStatus {
    XPointer compose_ptr;	/* state table pointer */
    int chars_matched;		/* match state */
} XComposeStatus;

/*
 * Keysym macros, used on Keysyms to test for classes of symbols
 */
#define IsKeypadKey(keysym) \
  (((KeySym)(keysym) >= XK_KP_Space) && ((KeySym)(keysym) <= XK_KP_Equal))

#define IsPrivateKeypadKey(keysym) \
  (((KeySym)(keysym) >= 0x11000000) && ((KeySym)(keysym) <= 0x1100FFFF))

#define IsCursorKey(keysym) \
  (((KeySym)(keysym) >= XK_Home)     && ((KeySym)(keysym) <  XK_Select))

#define IsPFKey(keysym) \
  (((KeySym)(keysym) >= XK_KP_F1)     && ((KeySym)(keysym) <= XK_KP_F4))

#define IsFunctionKey(keysym) \
  (((KeySym)(keysym) >= XK_F1)       && ((KeySym)(keysym) <= XK_F35))

#define IsMiscFunctionKey(keysym) \
  (((KeySym)(keysym) >= XK_Select)   && ((KeySym)(keysym) <= XK_Break))

#ifdef XK_XKB_KEYS
#define IsModifierKey(keysym) \
  ((((KeySym)(keysym) >= XK_Shift_L) && ((KeySym)(keysym) <= XK_Hyper_R)) \
   || (((KeySym)(keysym) >= XK_ISO_Lock) && \
       ((KeySym)(keysym) <= XK_ISO_Level5_Lock)) \
   || ((KeySym)(keysym) == XK_Mode_switch) \
   || ((KeySym)(keysym) == XK_Num_Lock))
#else
#define IsModifierKey(keysym) \
  ((((KeySym)(keysym) >= XK_Shift_L) && ((KeySym)(keysym) <= XK_Hyper_R)) \
   || ((KeySym)(keysym) == XK_Mode_switch) \
   || ((KeySym)(keysym) == XK_Num_Lock))
#endif
/*
 * opaque reference to Region data type
 */
typedef struct _XRegion *Region;

/* Return values from XRectInRegion() */

#define RectangleOut 0
#define RectangleIn  1
#define RectanglePart 2

/*
 * Information used by the visual utility routines to find desired visual
 * type from the many visuals a display may support.
 */

typedef struct {
  Visual *visual;
  VisualID visualid;
  int screen;
  int depth;
#if defined(__cplusplus) || defined(c_plusplus)
  int c_class;					/* C++ */
#else
  int class;
#endif
  unsigned long red_mask;
  unsigned long green_mask;
  unsigned long blue_mask;
  int colormap_size;
  int bits_per_rgb;
} XVisualInfo;

#define VisualNoMask		0x0
#define VisualIDMask 		0x1
#define VisualScreenMask	0x2
#define VisualDepthMask		0x4
#define VisualClassMask		0x8
#define VisualRedMaskMask	0x10
#define VisualGreenMaskMask	0x20
#define VisualBlueMaskMask	0x40
#define VisualColormapSizeMask	0x80
#define VisualBitsPerRGBMask	0x100
#define VisualAllMask		0x1FF

/*
 * This defines a window manager property that clients may use to
 * share standard color maps of type RGB_COLOR_MAP:
 */
typedef struct {
	Colormap colormap;
	unsigned long red_max;
	unsigned long red_mult;
	unsigned long green_max;
	unsigned long green_mult;
	unsigned long blue_max;
	unsigned long blue_mult;
	unsigned long base_pixel;
	VisualID visualid;		/* added by ICCCM version 1 */
	XID killid;			/* added by ICCCM version 1 */
} XStandardColormap;

#define ReleaseByFreeingColormap ((XID) 1L)  /* for killid field above */

/*
 * return codes for XReadBitmapFile and XWriteBitmapFile
 */
#define BitmapSuccess		0
#define BitmapOpenFailed 	1
#define BitmapFileInvalid 	2
#define BitmapNoMemory		3

/****************************************************************
 *
 * Context Management
 *
 ****************************************************************/

/* Associative lookup table return codes */

#define XCSUCCESS 0	/* No error. */
#define XCNOMEM   1    /* Out of memory */
#define XCNOENT   2    /* No entry in table */

typedef int XContext;

#define XUniqueContext()       ((XContext) XrmUniqueQuark())
#define XStringToContext(string)   ((XContext) XrmStringToQuark(string))

_XFUNCPROTOBEGIN

/* The following declarations are alphabetized. */

extern XClassHint *XAllocClassHint (
    void
);

extern XIconSize *XAllocIconSize (
    void
);

extern XSizeHints *XAllocSizeHints (
    void
);

extern XStandardColormap *XAllocStandardColormap (
    void
);

extern XWMHints *XAllocWMHints (
    void
);

extern int XClipBox(
    Region		/* r */,
    XRectangle*		/* rect_return */
);

extern Region XCreateRegion(
    void
);

extern const char *XDefaultString (void);

extern int XDeleteContext(
    Display*		/* display */,
    XID			/* rid */,
    XContext		/* context */
);

extern int XDestroyRegion(
    Region		/* r */
);

extern int XEmptyRegion(
    Region		/* r */
);

extern int XEqualRegion(
    Region		/* r1 */,
    Region		/* r2 */
);

extern int XFindContext(
    Display*		/* display */,
    XID			/* rid */,
    XContext		/* context */,
    XPointer*		/* data_return */
);

extern Status XGetClassHint(
    Display*		/* display */,
    Window		/* w */,
    XClassHint*		/* class_hints_return */
);

extern Status XGetIconSizes(
    Display*		/* display */,
    Window		/* w */,
    XIconSize**		/* size_list_return */,
    int*		/* count_return */
);

extern Status XGetNormalHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints_return */
);

extern Status XGetRGBColormaps(
    Display*		/* display */,
    Window		/* w */,
    XStandardColormap** /* stdcmap_return */,
    int*		/* count_return */,
    Atom		/* property */
);

extern Status XGetSizeHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints_return */,
    Atom		/* property */
);

extern Status XGetStandardColormap(
    Display*		/* display */,
    Window		/* w */,
    XStandardColormap*	/* colormap_return */,
    Atom		/* property */
);

extern Status XGetTextProperty(
    Display*		/* display */,
    Window		/* window */,
    XTextProperty*	/* text_prop_return */,
    Atom		/* property */
);

extern XVisualInfo *XGetVisualInfo(
    Display*		/* display */,
    long		/* vinfo_mask */,
    XVisualInfo*	/* vinfo_template */,
    int*		/* nitems_return */
);

extern Status XGetWMClientMachine(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* text_prop_return */
);

extern XWMHints *XGetWMHints(
    Display*		/* display */,
    Window		/* w */
);

extern Status XGetWMIconName(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* text_prop_return */
);

extern Status XGetWMName(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* text_prop_return */
);

extern Status XGetWMNormalHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints_return */,
    long*		/* supplied_return */
);

extern Status XGetWMSizeHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints_return */,
    long*		/* supplied_return */,
    Atom		/* property */
);

extern Status XGetZoomHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* zhints_return */
);

extern int XIntersectRegion(
    Region		/* sra */,
    Region		/* srb */,
    Region		/* dr_return */
);

extern void XConvertCase(
    KeySym		/* sym */,
    KeySym*		/* lower */,
    KeySym*		/* upper */
);

extern int XLookupString(
    XKeyEvent*		/* event_struct */,
    char*		/* buffer_return */,
    int			/* bytes_buffer */,
    KeySym*		/* keysym_return */,
    XComposeStatus*	/* status_in_out */
);

extern Status XMatchVisualInfo(
    Display*		/* display */,
    int			/* screen */,
    int			/* depth */,
    int			/* class */,
    XVisualInfo*	/* vinfo_return */
);

extern int XOffsetRegion(
    Region		/* r */,
    int			/* dx */,
    int			/* dy */
);

extern Bool XPointInRegion(
    Region		/* r */,
    int			/* x */,
    int			/* y */
);

extern Region XPolygonRegion(
    XPoint*		/* points */,
    int			/* n */,
    int			/* fill_rule */
);

extern int XRectInRegion(
    Region		/* r */,
    int			/* x */,
    int			/* y */,
    unsigned int	/* width */,
    unsigned int	/* height */
);

extern int XSaveContext(
    Display*		/* display */,
    XID			/* rid */,
    XContext		/* context */,
    _Xconst char*	/* data */
);

extern int XSetClassHint(
    Display*		/* display */,
    Window		/* w */,
    XClassHint*		/* class_hints */
);

extern int XSetIconSizes(
    Display*		/* display */,
    Window		/* w */,
    XIconSize*		/* size_list */,
    int			/* count */
);

extern int XSetNormalHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints */
);

extern void XSetRGBColormaps(
    Display*		/* display */,
    Window		/* w */,
    XStandardColormap*	/* stdcmaps */,
    int			/* count */,
    Atom		/* property */
);

extern int XSetSizeHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints */,
    Atom		/* property */
);

extern int XSetStandardProperties(
    Display*		/* display */,
    Window		/* w */,
    _Xconst char*	/* window_name */,
    _Xconst char*	/* icon_name */,
    Pixmap		/* icon_pixmap */,
    char**		/* argv */,
    int			/* argc */,
    XSizeHints*		/* hints */
);

extern void XSetTextProperty(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* text_prop */,
    Atom		/* property */
);

extern void XSetWMClientMachine(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* text_prop */
);

extern int XSetWMHints(
    Display*		/* display */,
    Window		/* w */,
    XWMHints*		/* wm_hints */
);

extern void XSetWMIconName(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* text_prop */
);

extern void XSetWMName(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* text_prop */
);

extern void XSetWMNormalHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints */
);

extern void XSetWMProperties(
    Display*		/* display */,
    Window		/* w */,
    XTextProperty*	/* window_name */,
    XTextProperty*	/* icon_name */,
    char**		/* argv */,
    int			/* argc */,
    XSizeHints*		/* normal_hints */,
    XWMHints*		/* wm_hints */,
    XClassHint*		/* class_hints */
);

extern void XmbSetWMProperties(
    Display*		/* display */,
    Window		/* w */,
    _Xconst char*	/* window_name */,
    _Xconst char*	/* icon_name */,
    char**		/* argv */,
    int			/* argc */,
    XSizeHints*		/* normal_hints */,
    XWMHints*		/* wm_hints */,
    XClassHint*		/* class_hints */
);

extern void Xutf8SetWMProperties(
    Display*		/* display */,
    Window		/* w */,
    _Xconst char*	/* window_name */,
    _Xconst char*	/* icon_name */,
    char**		/* argv */,
    int			/* argc */,
    XSizeHints*		/* normal_hints */,
    XWMHints*		/* wm_hints */,
    XClassHint*		/* class_hints */
);

extern void XSetWMSizeHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* hints */,
    Atom		/* property */
);

extern int XSetRegion(
    Display*		/* display */,
    GC			/* gc */,
    Region		/* r */
);

extern void XSetStandardColormap(
    Display*		/* display */,
    Window		/* w */,
    XStandardColormap*	/* colormap */,
    Atom		/* property */
);

extern int XSetZoomHints(
    Display*		/* display */,
    Window		/* w */,
    XSizeHints*		/* zhints */
);

extern int XShrinkRegion(
    Region		/* r */,
    int			/* dx */,
    int			/* dy */
);

extern Status XStringListToTextProperty(
    char**		/* list */,
    int			/* count */,
    XTextProperty*	/* text_prop_return */
);

extern int XSubtractRegion(
    Region		/* sra */,
    Region		/* srb */,
    Region		/* dr_return */
);

extern int XmbTextListToTextProperty(
    Display*		display,
    char**		list,
    int			count,
    XICCEncodingStyle	style,
    XTextProperty*	text_prop_return
);

extern int XwcTextListToTextProperty(
    Display*		display,
    wchar_t**		list,
    int			count,
    XICCEncodingStyle	style,
    XTextProperty*	text_prop_return
);

extern int Xutf8TextListToTextProperty(
    Display*		display,
    char**		list,
    int			count,
    XICCEncodingStyle	style,
    XTextProperty*	text_prop_return
);

extern void XwcFreeStringList(
    wchar_t**		list
);

extern Status XTextPropertyToStringList(
    XTextProperty*	/* text_prop */,
    char***		/* list_return */,
    int*		/* count_return */
);

extern int XmbTextPropertyToTextList(
    Display*		display,
    const XTextProperty* text_prop,
    char***		list_return,
    int*		count_return
);

extern int XwcTextPropertyToTextList(
    Display*		display,
    const XTextProperty* text_prop,
    wchar_t***		list_return,
    int*		count_return
);

extern int Xutf8TextPropertyToTextList(
    Display*		display,
    const XTextProperty* text_prop,
    char***		list_return,
    int*		count_return
);

extern int XUnionRectWithRegion(
    XRectangle*		/* rectangle */,
    Region		/* src_region */,
    Region		/* dest_region_return */
);

extern int XUnionRegion(
    Region		/* sra */,
    Region		/* srb */,
    Region		/* dr_return */
);

extern int XWMGeometry(
    Display*		/* display */,
    int			/* screen_number */,
    _Xconst char*	/* user_geometry */,
    _Xconst char*	/* default_geometry */,
    unsigned int	/* border_width */,
    XSizeHints*		/* hints */,
    int*		/* x_return */,
    int*		/* y_return */,
    int*		/* width_return */,
    int*		/* height_return */,
    int*		/* gravity_return */
);

extern int XXorRegion(
    Region		/* sra */,
    Region		/* srb */,
    Region		/* dr_return */
);

#ifdef __clang__
#pragma clang diagnostic pop
#endif

_XFUNCPROTOEND

#endif /* _X11_XUTIL_H_ */