1 /* xscreensaver, Copyright (c) 1991-2017 Jamie Zawinski <jwz@jwz.org>
3 * Permission to use, copy, modify, distribute, and sell this software and its
4 * documentation for any purpose is hereby granted without fee, provided that
5 * the above copyright notice appear in all copies and that both that
6 * copyright notice and this permission notice appear in supporting
7 * documentation. No representations are made about the suitability of this
8 * software for any purpose. It is provided "as is" without express or
14 But it's a bunch of function definitions that bear some resemblance to
15 Xlib and that do Cocoa-ish or OpenGL-ish things that bear some resemblance
16 to the things that Xlib might have done.
22 #include <stdlib.h> /* For abort(). */
25 #if defined __FreeBSD__ || defined __MACH__ && defined __APPLE__
26 # include <sys/cdefs.h>
30 /* __dead2 is an undocumented FreeBSD-ism (and by extension, an OSX-ism),
31 normally #defined in <sys/cdefs.h>.
33 # if defined __GNUC__ || defined __clang__
34 # define __dead2 __attribute__((__noreturn__))
40 extern void jwxyz_abort(const char *fmt, ...) __dead2;
41 #define abort() jwxyz_abort("abort in %s:%d", __FUNCTION__, __LINE__)
45 typedef void * XPointer;
46 typedef unsigned long Time;
47 typedef unsigned int KeySym;
48 typedef unsigned int KeyCode;
49 typedef unsigned long Atom; /* Must be as large as a char *. */
51 typedef struct jwxyz_Display Display;
52 typedef struct jwxyz_Screen Screen;
53 typedef struct jwxyz_Visual Visual;
54 typedef struct jwxyz_Drawable * Drawable;
55 typedef struct jwxyz_Colormap * Colormap;
56 typedef struct jwxyz_GC * GC;
57 typedef struct jwxyz_XColor XColor;
58 typedef struct jwxyz_XGCValues XGCValues;
59 typedef struct jwxyz_XPoint XPoint;
60 typedef struct jwxyz_XSegment XSegment;
61 typedef struct jwxyz_XRectangle XRectangle;
62 typedef struct jwxyz_XArc XArc;
63 typedef struct jwxyz_XWindowAttributes XWindowAttributes;
64 typedef struct jwxyz_XrmOptionDescRec XrmOptionDescRec;
65 typedef struct jwxyz_XrmDatabase * XrmDatabase;
66 typedef struct jwxyz_XImage XImage;
67 typedef struct jwxyz_XFontProp XFontProp;
68 typedef struct jwxyz_XFontStruct XFontStruct;
69 typedef struct jwxyz_Font * Font;
70 typedef struct jwxyz_XFontSet * XFontSet;
71 typedef struct jwxyz_XCharStruct XCharStruct;
72 typedef struct jwxyz_XComposeStatus XComposeStatus;
73 typedef struct jwxyz_XPixmapFormatValues XPixmapFormatValues;
74 typedef struct jwxyz_XChar2b XChar2b;
76 typedef union jwxyz_XEvent XEvent;
77 typedef struct jwxyz_XAnyEvent XAnyEvent;
78 typedef struct jwxyz_XKeyEvent XKeyEvent;
79 typedef struct jwxyz_XMotionEvent XMotionEvent;
80 typedef struct jwxyz_XButtonEvent XButtonEvent;
81 typedef XKeyEvent XKeyPressedEvent;
82 typedef XKeyEvent XKeyReleasedEvent;
83 typedef XMotionEvent XPointerMovedEvent;
84 typedef XButtonEvent XButtonPressedEvent;
85 typedef XButtonEvent XButtonReleasedEvent;
88 /* Not technically Xlib... */
89 typedef struct jwxyz_GLXContext * GLXContext;
90 typedef struct jwxyz_XtAppContext * XtAppContext;
91 typedef struct jwxyz_XtIntervalId * XtIntervalId;
92 typedef struct jwxyz_XtInputId * XtInputId;
93 typedef void * XtPointer;
94 typedef unsigned long XtInputMask;
95 typedef struct jwxyz_linked_point linked_point;
97 #define XtInputReadMask (1L<<0)
98 #define XtInputWriteMask (1L<<1)
99 #define XtInputExceptMask (1L<<2)
102 #define XtIMAlternateInput 4
104 #define XtIMAll (XtIMXEvent | XtIMTimer | XtIMAlternateInput | XtIMSignal)
112 #define Window Drawable
113 #define Pixmap Drawable
115 #define XrmoptionNoArg 0
116 #define XrmoptionSepArg 1
118 #define CoordModeOrigin 0
119 #define CoordModePrevious 1
122 #define LineOnOffDash 1
123 #define LineDoubleDash 2
128 #define CapProjecting 3
136 #define FillStippled 2
137 #define FillOpaqueStippled 3
139 #define EvenOddRule 0
140 #define WindingRule 1
155 #define StaticColor 2
156 #define PseudoColor 3
158 #define DirectColor 5
164 #define DoGreen (1<<1)
165 #define DoBlue (1<<2)
167 #define GCFunction (1L<<0)
168 #define GCPlaneMask (1L<<1)
169 #define GCForeground (1L<<2)
170 #define GCBackground (1L<<3)
171 #define GCLineWidth (1L<<4)
172 #define GCLineStyle (1L<<5)
173 #define GCCapStyle (1L<<6)
174 #define GCJoinStyle (1L<<7)
175 #define GCFillStyle (1L<<8)
176 #define GCFillRule (1L<<9)
177 #define GCTile (1L<<10)
178 #define GCStipple (1L<<11)
179 #define GCTileStipXOrigin (1L<<12)
180 #define GCTileStipYOrigin (1L<<13)
181 #define GCFont (1L<<14)
182 #define GCSubwindowMode (1L<<15)
183 #define GCGraphicsExposures (1L<<16)
184 #define GCClipXOrigin (1L<<17)
185 #define GCClipYOrigin (1L<<18)
186 #define GCClipMask (1L<<19)
187 #define GCDashOffset (1L<<20)
188 #define GCDashList (1L<<21)
189 #define GCArcMode (1L<<22)
193 #define ButtonPress 4
194 #define ButtonRelease 5
195 #define MotionNotify 6
197 #define GraphicsExpose 13
199 #define VisibilityNotify 15
201 #define ClipByChildren 0
202 #define IncludeInferiors 1
204 #define KeyPressMask (1L<<0)
205 #define KeyReleaseMask (1L<<1)
206 #define ButtonPressMask (1L<<2)
207 #define ButtonReleaseMask (1L<<3)
208 #define PointerMotionMask (1L<<6)
216 #define ShiftMask (1<<0)
217 #define LockMask (1<<1)
218 #define ControlMask (1<<2)
219 #define Mod1Mask (1<<3)
220 #define Mod2Mask (1<<4)
221 #define Mod3Mask (1<<5)
222 #define Mod4Mask (1<<6)
223 #define Mod5Mask (1<<7)
224 #define Button1Mask (1<<8)
225 #define Button2Mask (1<<9)
226 #define Button3Mask (1<<10)
227 #define Button4Mask (1<<11)
228 #define Button5Mask (1<<12)
230 #define XK_Shift_L 0xFFE1
231 #define XK_Shift_R 0xFFE2
232 #define XK_Control_L 0xFFE3
233 #define XK_Control_R 0xFFE4
234 #define XK_Caps_Lock 0xFFE5
235 #define XK_Shift_Lock 0xFFE6
236 #define XK_Meta_L 0xFFE7
237 #define XK_Meta_R 0xFFE8
238 #define XK_Alt_L 0xFFE9
239 #define XK_Alt_R 0xFFEA
240 #define XK_Super_L 0xFFEB
241 #define XK_Super_R 0xFFEC
242 #define XK_Hyper_L 0xFFED
243 #define XK_Hyper_R 0xFFEE
245 #define XK_Home 0xFF50
246 #define XK_Left 0xFF51
248 #define XK_Right 0xFF53
249 #define XK_Down 0xFF54
250 #define XK_Prior 0xFF55
251 #define XK_Page_Up 0xFF55
252 #define XK_Next 0xFF56
253 #define XK_Page_Down 0xFF56
254 #define XK_End 0xFF57
255 #define XK_Begin 0xFF58
266 #define XK_F10 0xFFC7
267 #define XK_F11 0xFFC8
268 #define XK_F12 0xFFC9
271 #define GXclear 0x0 /* 0 */
272 #define GXand 0x1 /* src AND dst */
273 // #define GXandReverse 0x2 /* src AND NOT dst */
274 #define GXcopy 0x3 /* src */
275 // #define GXandInverted 0x4 /* NOT src AND dst */
276 // #define GXnoop 0x5 /* dst */
277 #define GXxor 0x6 /* src XOR dst */
278 #define GXor 0x7 /* src OR dst */
279 // #define GXnor 0x8 /* NOT src AND NOT dst */
280 // #define GXequiv 0x9 /* NOT src XOR dst */
281 // #define GXinvert 0xa /* NOT dst */
282 // #define GXorReverse 0xb /* src OR NOT dst */
283 // #define GXcopyInverted 0xc /* NOT src */
284 // #define GXorInverted 0xd /* NOT src OR dst */
285 // #define GXnand 0xe /* NOT src OR NOT dst */
286 #define GXset 0xf /* 1 */
290 #define DefaultScreen(dpy) (0)
291 #define BlackPixelOfScreen XBlackPixelOfScreen
292 #define WhitePixelOfScreen XWhitePixelOfScreen
293 #define BlackPixel(dpy,n) BlackPixelOfScreen(ScreenOfDisplay(dpy,n))
294 #define WhitePixel(dpy,n) WhitePixelOfScreen(ScreenOfDisplay(dpy,n))
295 #define CellsOfScreen XCellsOfScreen
296 #define XFree(x) free(x)
297 #define BitmapPad(dpy) (8)
298 #define BitmapBitOrder(dpy) (MSBFirst)
299 #define ImageByteOrder(dpy) (MSBFirst)
300 #define DisplayOfScreen XDisplayOfScreen
301 #define DefaultScreenOfDisplay XDefaultScreenOfDisplay
302 #define ScreenOfDisplay(dpy,n) DefaultScreenOfDisplay(dpy)
303 #define DefaultVisualOfScreen XDefaultVisualOfScreen
304 #define DefaultColormapOfScreen(s) (0)
305 #define RootWindow XRootWindow
306 #define RootWindowOfScreen(s) RootWindow(DisplayOfScreen(s),0)
307 #define DisplayWidth XDisplayWidth
308 #define DisplayHeight XDisplayHeight
309 #define XMaxRequestSize(dpy) (65535)
310 #define XWidthOfScreen(s) (DisplayWidth(DisplayOfScreen(s),0))
311 #define XHeightOfScreen(s) (DisplayHeight(DisplayOfScreen(s),0))
312 #define XWidthMMOfScreen(s) (XDisplayWidthMM(DisplayOfScreen(s),0))
313 #define XHeightMMOfScreen(s) (XDisplayHeightMM(DisplayOfScreen(s),0))
315 extern Window XRootWindow (Display *, int screen);
316 extern Screen *XDefaultScreenOfDisplay (Display *);
317 extern Visual *XDefaultVisualOfScreen (Screen *);
318 extern Display *XDisplayOfScreen (Screen *);
319 extern int XDisplayNumberOfScreen (Screen *);
320 extern int XScreenNumberOfScreen (Screen *);
321 extern int XDisplayWidth (Display *, int);
322 extern int XDisplayHeight (Display *, int);
323 extern int XDisplayWidthMM (Display *, int);
324 extern int XDisplayHeightMM (Display *, int);
326 unsigned long XBlackPixelOfScreen(Screen *);
327 unsigned long XWhitePixelOfScreen(Screen *);
328 unsigned long XCellsOfScreen(Screen *);
330 extern int XDrawPoint (Display *, Drawable, GC, int x, int y);
331 extern int XDrawPoints (Display *, Drawable, GC, XPoint *, int n, int mode);
332 extern int XDrawSegments (Display *, Drawable, GC, XSegment *, int n);
334 extern GC XCreateGC (Display *, Drawable, unsigned long mask, XGCValues *);
335 extern int XChangeGC (Display *, GC, unsigned long mask, XGCValues *);
336 extern int XFreeGC (Display *, GC);
338 extern int XClearWindow (Display *, Window);
339 extern int XClearArea (Display *, Window, int x, int y, int w, int h,Bool exp);
340 extern int XSetWindowBackground (Display *, Window, unsigned long);
341 extern Status XGetWindowAttributes (Display *, Window, XWindowAttributes *);
342 extern Status XGetGeometry (Display *, Drawable, Window *root_ret,
343 int *x_ret, int *y_ret,
344 unsigned int *w_ret, unsigned int *h_ret,
345 unsigned int *bw_ret, unsigned int *depth_ret);
346 extern Status XAllocColor (Display *, Colormap, XColor *);
347 extern Status XAllocColorCells (Display *, Colormap, Bool contig,
348 unsigned long *pmret, unsigned int npl,
349 unsigned long *pxret, unsigned int npx);
350 extern int XStoreColors (Display *, Colormap, XColor *, int n);
351 extern int XStoreColor (Display *, Colormap, XColor *);
352 extern Status XParseColor(Display *, Colormap, const char *spec, XColor *ret);
353 extern Status XAllocNamedColor (Display *, Colormap, char *name,
354 XColor *screen_ret, XColor *exact_ret);
355 extern int XQueryColor (Display *, Colormap, XColor *);
356 extern int XQueryColors(Display *, Colormap colormap, XColor *, int ncolors);
358 extern int XSetForeground (Display *, GC, unsigned long);
359 extern int XSetBackground (Display *, GC, unsigned long);
360 extern int XSetFunction (Display *, GC, int);
361 extern int XSetSubwindowMode (Display *, GC, int);
362 extern int XSetLineAttributes (Display *, GC, unsigned int line_width,
363 int line_style, int cap_style, int join_style);
364 extern int XSetClipMask (Display *, GC, Pixmap);
365 extern int XSetClipOrigin (Display *, GC, int x, int y);
366 extern int jwxyz_XSetAlphaAllowed (Display *, GC, Bool);
367 extern int jwxyz_XSetAntiAliasing (Display *, GC, Bool);
369 extern int XFlush (Display *);
370 extern int XSync (Display *, Bool);
371 extern int XFreeColors (Display *, Colormap, unsigned long *px, int n,
372 unsigned long planes);
373 extern int XFillPolygon (Display *, Drawable, GC,
374 XPoint * points, int npoints, int shape, int mode);
375 extern int XCopyArea (Display *, Drawable src, Drawable dest, GC,
376 int src_x, int src_y,
377 unsigned int width, unsigned int height,
378 int dest_x, int dest_y);
379 extern int XCopyPlane (Display *, Drawable, Drawable, GC,
380 int src_x, int src_y,
381 unsigned width, int height,
382 int dest_x, int dest_y,
383 unsigned long plane);
385 extern int XDrawLine (Display *, Drawable, GC, int x1, int y1, int x2, int y2);
386 extern int XDrawLines (Display *, Drawable, GC, XPoint *, int n, int mode);
387 extern int XDrawArc (Display *, Drawable, GC, int x, int y,
388 unsigned int width, unsigned int height,
389 int angle1, int angle2);
390 extern int XFillArc (Display *, Drawable, GC, int x, int y,
391 unsigned int width, unsigned int height,
392 int angle1, int angle2);
393 extern int XDrawArcs (Display *, Drawable, GC, XArc *arcs, int narcs);
394 extern int XFillArcs (Display *, Drawable, GC, XArc *arcs, int narcs);
395 extern int XDrawRectangle (Display *, Drawable, GC, int x, int y,
396 unsigned int width, unsigned int height);
397 extern int XFillRectangle (Display *, Drawable, GC, int x, int y,
398 unsigned int width, unsigned int height);
399 extern int XFillRectangles (Display *, Drawable, GC, XRectangle *, int n);
401 extern int XDrawString (Display *, Drawable, GC, int x, int y, const char *,
403 extern int XDrawImageString (Display *, Drawable, GC, int x, int y,
404 const char *, int len);
405 extern int XDrawString16 (Display *, Drawable, GC, int x, int y,
406 const XChar2b *, int len);
408 extern Bool XQueryPointer (Display *, Window, Window *root_ret,
410 int *root_x_ret, int *root_y_ret,
411 int *win_x_ret, int *win_y_ret,
412 unsigned int *mask_ret);
413 extern int XLookupString (XKeyEvent *, char *ret, int size, KeySym *ks_ret,
415 extern KeySym XKeycodeToKeysym (Display *, KeyCode, int index);
417 extern Status XInitImage (XImage *);
418 extern XImage *XCreateImage (Display *, Visual *, unsigned int depth,
419 int format, int offset, char *data,
420 unsigned int width, unsigned int height,
421 int bitmap_pad, int bytes_per_line);
422 extern XImage *XSubImage (XImage *, int x, int y,
423 unsigned int w, unsigned int h);
425 extern unsigned long XGetPixel (XImage *, int x, int y);
426 extern int XPutPixel (XImage *, int x, int y, unsigned long);
427 extern int XDestroyImage (XImage *);
428 extern int XPutImage (Display *, Drawable, GC, XImage *,
429 int src_x, int src_y, int dest_x, int dest_y,
430 unsigned int w, unsigned int h);
431 extern XImage *XGetSubImage (Display *dpy, Drawable d, int x, int y,
432 unsigned int width, unsigned int height,
433 unsigned long plane_mask, int format,
434 XImage *dest_image, int dest_x, int dest_y);
435 extern XImage *XGetImage (Display *, Drawable, int x, int y,
436 unsigned int w, unsigned int h,
437 unsigned long pm, int fmt);
438 extern Pixmap XCreatePixmapFromBitmapData (Display *, Drawable,
440 unsigned int w, unsigned int h,
444 extern XPixmapFormatValues *XListPixmapFormats (Display *, int *count_ret);
446 extern void jwxyz_draw_NSImage_or_CGImage (Display *, Drawable,
447 Bool nsimg_p, void *NSImage_arg,
448 XRectangle *geom_ret,
451 extern int XSetGraphicsExposures (Display *, GC, Bool);
452 extern Bool XTranslateCoordinates (Display *, Window src_w, Window dest_w,
453 int src_x, int src_y,
454 int *dest_x_ret, int *dest_y_ret,
457 extern Font XLoadFont (Display *, const char *);
458 extern XFontStruct * XQueryFont (Display *, Font);
459 extern XFontStruct * XLoadQueryFont (Display *, const char *);
460 extern int XFreeFontInfo (char **names, XFontStruct *info, int n);
461 extern int XFreeFont (Display *, XFontStruct *);
462 extern int XUnloadFont (Display *, Font);
463 extern int XTextExtents (XFontStruct *, const char *, int length,
464 int *dir_ret, int *ascent_ret, int *descent_ret,
465 XCharStruct *overall_ret);
466 extern char * jwxyz_unicode_character_name (Display *, Font, unsigned long uc);
467 extern int XTextExtents16 (XFontStruct *, const XChar2b *, int length,
468 int *dir_ret, int *ascent_ret, int *descent_ret,
469 XCharStruct *overall_ret);
470 extern int XTextWidth (XFontStruct *, const char *, int length);
471 extern int XSetFont (Display *, GC, Font);
473 extern XFontSet XCreateFontSet (Display *, char *name,
474 char ***missing_charset_list_return,
475 int *missing_charset_count_return,
476 char **def_string_return);
477 extern void XFreeFontSet (Display *, XFontSet);
478 extern void XFreeStringList (char **);
479 extern int Xutf8TextExtents (XFontSet, const char *, int num_bytes,
480 XRectangle *overall_ink_return,
481 XRectangle *overall_logical_return);
482 extern void Xutf8DrawString (Display *, Drawable, XFontSet, GC,
483 int x, int y, const char *, int num_bytes);
485 extern Pixmap XCreatePixmap (Display *, Drawable,
486 unsigned int width, unsigned int height,
488 extern int XFreePixmap (Display *, Pixmap);
490 extern char *XGetAtomName (Display *, Atom);
492 extern void set_points_list(XPoint *points, int npoints, linked_point *root);
493 extern void traverse_points_list(linked_point * root);
494 extern void draw_three_vertices(linked_point * a, Bool triangle);
495 extern double compute_edge_length(linked_point * a, linked_point * b);
496 extern double get_angle(double a, double b, double c);
497 extern Bool is_same_slope(linked_point * a);
498 extern Bool is_an_ear(linked_point * a);
499 extern Bool is_three_point_loop(linked_point * head);
501 // Log()/Logv(), for debugging JWXYZ. Screenhacks should still use
502 // fprintf(stderr, ...).
503 extern void Log(const char *format, ...)
504 #if defined __GNUC__ || defined __clang__
505 __attribute__((format(printf, 1, 2)))
509 extern void jwxyz_logv(Bool error, const char *fmt, va_list args);
510 #define Logv(format, args) (jwxyz_logv(False, format, args))
513 extern XtAppContext XtDisplayToApplicationContext (Display *);
514 typedef void (*XtTimerCallbackProc) (XtPointer closure, XtIntervalId *);
515 typedef void (*XtInputCallbackProc) (XtPointer closure, int *fd, XtInputId *);
516 extern XtIntervalId XtAppAddTimeOut (XtAppContext, unsigned long usecs,
517 XtTimerCallbackProc, XtPointer closure);
518 extern void XtRemoveTimeOut (XtIntervalId);
519 extern XtInputId XtAppAddInput (XtAppContext, int fd, XtPointer flags,
520 XtInputCallbackProc, XtPointer closure);
521 extern void XtRemoveInput (XtInputId);
522 extern XtInputMask XtAppPending (XtAppContext);
523 extern void XtAppProcessEvent (XtAppContext, XtInputMask);
524 extern struct jwxyz_sources_data *display_sources_data (Display *);
526 // Some GLX stuff that also doesn't technically belong here...
527 // from XScreenSaverGLView.m
528 extern void glXSwapBuffers (Display *, Window);
529 extern void glXMakeCurrent (Display *, Window, GLXContext);
531 // also declared in utils/visual.h
532 extern int has_writable_cells (Screen *, Visual *);
533 extern int visual_depth (Screen *, Visual *);
534 extern int visual_pixmap_depth (Screen *, Visual *);
535 extern int visual_cells (Screen *, Visual *);
536 extern int visual_class (Screen *, Visual *);
537 extern void visual_rgb_masks (Screen *screen, Visual *visual,
538 unsigned long *red_mask,
539 unsigned long *green_mask,
540 unsigned long *blue_mask);
541 extern int screen_number (Screen *);
543 // also declared in utils/grabclient.h
544 extern Bool use_subwindow_mode_p (Screen *, Window);
546 // also declared in xlockmoreI.h
547 extern void clear_gl_error (void);
548 extern void check_gl_error (const char *type);
550 // A Visual is supposed to be an opaque type, even though Xlib.h defines it.
551 // Only utils/xft.c uses this, out of necessity.
552 struct jwxyz_Visual {
553 int class; /* class of screen (monochrome, etc.) */
554 unsigned long red_mask, green_mask, blue_mask; /* mask values */
557 struct jwxyz_XGCValues {
558 int function; /* logical operation */
560 unsigned long plane_mask;/* plane mask */
562 unsigned long foreground;/* foreground pixel */
563 unsigned long background;/* background pixel */
564 int line_width; /* line width */
566 int line_style; /* LineSolid, LineOnOffDash, LineDoubleDash */
568 int cap_style; /* CapNotLast, CapButt, CapRound, CapProjecting */
569 int join_style; /* JoinMiter, JoinRound, JoinBevel */
571 int fill_style; /* FillSolid, FillTiled,
572 FillStippled, FillOpaeueStippled */
574 int fill_rule; /* EvenOddRule, WindingRule */
576 int arc_mode; /* ArcChord, ArcPieSlice */
577 Pixmap tile; /* tile pixmap for tiling operations */
578 Pixmap stipple; /* stipple 1 plane pixmap for stipping */
579 int ts_x_origin; /* offset for tile or stipple operations */
582 Font font; /* default text font for text operations */
583 int subwindow_mode; /* ClipByChildren, IncludeInferiors */
585 Bool graphics_exposures;/* boolean, should exposures be generated */
587 int clip_x_origin; /* origin for clipping */
589 Pixmap clip_mask; /* bitmap clipping; other calls for rects */
591 int dash_offset; /* patterned/dashed line information */
595 Bool alpha_allowed_p; /* jwxyz extension: whether pixel values may have
596 a non-opaque alpha component. */
597 Bool antialias_p; /* jwxyz extension: whether Quartz should draw
598 with antialiasing. */
601 struct jwxyz_XWindowAttributes {
602 int x, y; /* location of window */
603 int width, height; /* width and height of window */
604 int border_width; /* border width of window */
605 int depth; /* depth of window */
606 Visual *visual; /* the associated visual structure */
608 Window root; /* root of screen containing window */
609 int class; /* InputOutput, InputOnly*/
610 int bit_gravity; /* one of bit gravity values */
611 int win_gravity; /* one of the window gravity values */
612 int backing_store; /* NotUseful, WhenMapped, Always */
613 unsigned long backing_planes;/* planes to be preserved if possible */
614 unsigned long backing_pixel;/* value to be used when restoring planes */
615 Bool save_under; /* boolean, should bits under be saved? */
617 Colormap colormap; /* color map to be associated with window */
619 Bool map_installed; /* boolean, is color map currently installed*/
620 int map_state; /* IsUnmapped, IsUnviewable, IsViewable */
621 long all_event_masks; /* set of events all people have interest in*/
622 long your_event_mask; /* my event mask */
623 long do_not_propagate_mask; /* set of events that should not propagate */
624 Bool override_redirect; /* boolean value for override-redirect */
626 Screen *screen; /* back pointer to correct screen */
629 struct jwxyz_XColor {
631 unsigned short red, green, blue;
632 char flags; /* do_red, do_green, do_blue */
636 struct jwxyz_XPoint {
640 struct jwxyz_XSegment {
641 short x1, y1, x2, y2;
644 struct jwxyz_XRectangle {
646 unsigned short width, height;
651 unsigned short width, height;
652 short angle1, angle2;
656 struct jwxyz_XrmOptionDescRec {
663 struct jwxyz_XAnyEvent {
666 unsigned long serial;
673 struct jwxyz_XKeyEvent {
676 unsigned long serial;
687 unsigned int keycode;
693 struct jwxyz_XButtonEvent {
696 unsigned long serial;
715 struct jwxyz_XMotionEvent {
718 unsigned long serial;
741 XButtonEvent xbutton;
742 XMotionEvent xmotion;
745 struct jwxyz_XImage {
746 int width, height; /* size of image */
747 int xoffset; /* number of pixels offset in X direction */
748 int format; /* XYBitmap, XYPixmap, ZPixmap */
749 char *data; /* pointer to image data */
750 int byte_order; /* data byte order, LSBFirst, MSBFirst */
751 int bitmap_unit; /* quant. of scanline 8, 16, 32 */
752 int bitmap_bit_order; /* LSBFirst, MSBFirst */
753 int bitmap_pad; /* 8, 16, 32 either XY or ZPixmap */
754 int depth; /* depth of image */
755 int bytes_per_line; /* accelarator to next line */
756 int bits_per_pixel; /* bits per pixel (ZPixmap) */
757 unsigned long red_mask; /* bits in z arrangment */
758 unsigned long green_mask;
759 unsigned long blue_mask;
760 // XPointer obdata; /* hook for the object routines to hang on */
761 struct funcs { /* image manipulation routines */
763 XImage *(*create_image)(
764 Display* /* display */,
765 Visual* /* visual */,
766 unsigned int /* depth */,
770 unsigned int /* width */,
771 unsigned int /* height */,
772 int /* bitmap_pad */,
773 int /* bytes_per_line */);
774 int (*destroy_image) (XImage *);
776 unsigned long (*get_pixel) (XImage *, int, int);
777 int (*put_pixel) (XImage *, int, int, unsigned long);
779 XImage *(*sub_image) (XImage *, int, int, unsigned int, unsigned int);
780 int (*add_pixel) (XImage *, long);
785 struct jwxyz_XCharStruct {
786 short lbearing; /* origin to left edge of ink */
787 short rbearing; /* origin to right edge of ink */
788 short width; /* advance to next char's origin */
789 short ascent; /* baseline to top edge of ink */
790 short descent; /* baseline to bottom edge of ink */
792 unsigned short attributes; /* per char flags (not predefined) */
796 struct jwxyz_XFontProp {
798 unsigned long card32; /* Careful: This holds (32- or 64-bit) pointers. */
801 struct jwxyz_XFontStruct {
803 XExtData *ext_data; /* hook for extension to hang data */
805 Font fid; /* Font id for this font */
807 unsigned direction; /* hint about direction the font is painted */
809 unsigned min_char_or_byte2; /* first character */
810 unsigned max_char_or_byte2; /* last character */
812 unsigned min_byte1; /* first row that exists */
813 unsigned max_byte1; /* last row that exists */
814 Bool all_chars_exist; /* flag if all characters have non-zero size*/
816 unsigned default_char; /* char to print for undefined character */
817 int n_properties; /* how many properties there are */
818 XFontProp *properties; /* pointer to array of additional properties*/
819 XCharStruct min_bounds; /* minimum bounds over all existing char*/
820 XCharStruct max_bounds; /* maximum bounds over all existing char*/
821 XCharStruct *per_char; /* first_char to last_char information */
822 int ascent; /* log. extent above baseline for spacing */
823 int descent; /* log. descent below baseline for spacing */
826 struct jwxyz_XComposeStatus {
830 struct jwxyz_XPixmapFormatValues {
836 struct jwxyz_XChar2b {
841 #endif /* __JWXYZ_H__ */