xwin.c@ 49891

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RDP/client: fix OSE
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1	/* -- c-basic-offset: 8 --
2	rdesktop: A Remote Desktop Protocol client.
3	User interface services - X Window System
4	Copyright (C) Matthew Chapman <matthewc.unsw.edu.au> 1999-2008
5	Copyright 2007-2008 Pierre Ossman <[email protected]> for Cendio AB
6	Copyright 2002-2011 Peter Astrand <[email protected]> for Cendio AB
7
8	This program is free software: you can redistribute it and/or modify
9	it under the terms of the GNU General Public License as published by
10	the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.
12
13	This program is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.
17
18	You should have received a copy of the GNU General Public License
19	along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*/
21
22	/*
23	* Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
24	* other than GPL or LGPL is available it will apply instead, Oracle elects to use only
25	* the General Public License version 2 (GPLv2) at this time for any software where
26	* a choice of GPL license versions is made available with the language indicating
27	* that GPLv2 or any later version may be used, or where a choice of which version
28	* of the GPL is applied is otherwise unspecified.
29	*/
30
31	#include <X11/Xlib.h>
32	#include <X11/Xutil.h>
33	#include <X11/Xproto.h>
34	#include <unistd.h>
35	#include <sys/time.h>
36	#include <time.h>
37	#include <errno.h>
38	#include <strings.h>
39	#include "rdesktop.h"
40	#include "xproto.h"
41	#ifdef HAVE_XRANDR
42	#include <X11/extensions/Xrandr.h>
43	#endif
44
45	extern int g_sizeopt;
46	extern int g_width;
47	extern int g_height;
48	extern int g_xpos;
49	extern int g_ypos;
50	extern int g_pos;
51	extern RD_BOOL g_sendmotion;
52	extern RD_BOOL g_fullscreen;
53	extern RD_BOOL g_grab_keyboard;
54	extern RD_BOOL g_hide_decorations;
55	extern RD_BOOL g_pending_resize;
56	extern char g_title[];
57	/* Color depth of the RDP session.
58	As of RDP 5.1, it may be 8, 15, 16 or 24. */
59	extern int g_server_depth;
60	extern int g_win_button_size;
61
62	Display *g_display;
63	Time g_last_gesturetime;
64	static int g_x_socket;
65	static Screen *g_screen;
66	Window g_wnd;
67
68	/* SeamlessRDP support */
69	typedef struct _seamless_group
70	{
71	Window wnd;
72	unsigned long id;
73	unsigned int refcnt;
74	} seamless_group;
75	typedef struct _seamless_window
76	{
77	Window wnd;
78	unsigned long id;
79	unsigned long behind;
80	seamless_group *group;
81	int xoffset, yoffset;
82	int width, height;
83	int state; /* normal/minimized/maximized. */
84	unsigned int desktop;
85	struct timeval *position_timer;
86
87	RD_BOOL outstanding_position;
88	unsigned int outpos_serial;
89	int outpos_xoffset, outpos_yoffset;
90	int outpos_width, outpos_height;
91
92	unsigned int icon_size;
93	unsigned int icon_offset;
94	char icon_buffer[32 * 32 * 4];
95
96	struct _seamless_window *next;
97	} seamless_window;
98	static seamless_window *g_seamless_windows = NULL;
99	static unsigned long g_seamless_focused = 0;
100	static RD_BOOL g_seamless_started = False; /* Server end is up and running */
101	static RD_BOOL g_seamless_active = False; /* We are currently in seamless mode */
102	static RD_BOOL g_seamless_hidden = False; /* Desktop is hidden on server */
103	static RD_BOOL g_seamless_broken_restack = False; /* WM does not properly restack */
104	extern RD_BOOL g_seamless_rdp;
105
106	extern uint32 g_embed_wnd;
107	RD_BOOL g_enable_compose = False;
108	RD_BOOL g_Unobscured; /* used for screenblt */
109	static GC g_gc = NULL;
110	static GC g_create_bitmap_gc = NULL;
111	static GC g_create_glyph_gc = NULL;
112	static XRectangle g_clip_rectangle;
113	static Visual *g_visual;
114	/* Color depth of the X11 visual of our window (e.g. 24 for True Color R8G8B visual).
115	This may be 32 for R8G8B8 visuals, and then the rest of the bits are undefined
116	as far as we're concerned. */
117	static int g_depth;
118	/* Bits-per-Pixel of the pixmaps we'll be using to draw on our window.
119	This may be larger than g_depth, in which case some of the bits would
120	be kept solely for alignment (e.g. 32bpp pixmaps on a 24bpp visual). */
121	static int g_bpp;
122	static XIM g_IM;
123	static XIC g_IC;
124	static XModifierKeymap *g_mod_map;
125	/* Maps logical (xmodmap -pp) pointing device buttons (0-based) back
126	to physical (1-based) indices. */
127	static unsigned char g_pointer_log_to_phys_map[32];
128	static Cursor g_current_cursor;
129	static RD_HCURSOR g_null_cursor = NULL;
130	static Atom g_protocol_atom, g_kill_atom;
131	extern Atom g_net_wm_state_atom;
132	extern Atom g_net_wm_desktop_atom;
133	static RD_BOOL g_focused;
134	static RD_BOOL g_mouse_in_wnd;
135	/* Indicates that:
136	1) visual has 15, 16 or 24 depth and the same color channel masks
137	as its RDP equivalent (implies X server is LE),
138	2) host is LE
139	This will trigger an optimization whose real value is questionable.
140	*/
141	static RD_BOOL g_compatible_arch;
142	/* Indicates whether RDP's bitmaps and our XImages have the same
143	binary format. If so, we can avoid an expensive translation.
144	Note that this can be true when g_compatible_arch is false,
145	e.g.:
146
147	RDP(LE) <-> host(BE) <-> X-Server(LE)
148
149	('host' is the machine running rdesktop; the host simply memcpy's
150	so its endianess doesn't matter)
151	*/
152	static RD_BOOL g_no_translate_image = False;
153
154	/* endianness */
155	static RD_BOOL g_host_be;
156	static RD_BOOL g_xserver_be;
157	static int g_red_shift_r, g_blue_shift_r, g_green_shift_r;
158	static int g_red_shift_l, g_blue_shift_l, g_green_shift_l;
159
160	/* software backing store */
161	extern RD_BOOL g_ownbackstore;
162	static Pixmap g_backstore = 0;
163
164	/* Moving in single app mode */
165	static RD_BOOL g_moving_wnd;
166	static int g_move_x_offset = 0;
167	static int g_move_y_offset = 0;
168	static RD_BOOL g_using_full_workarea = False;
169
170	#ifdef WITH_RDPSND
171	extern RD_BOOL g_rdpsnd;
172	#endif
173
174	/* MWM decorations */
175	#define MWM_HINTS_DECORATIONS (1L << 1)
176	#define PROP_MOTIF_WM_HINTS_ELEMENTS 5
177	typedef struct
178	{
179	unsigned long flags;
180	unsigned long functions;
181	unsigned long decorations;
182	long inputMode;
183	unsigned long status;
184	}
185	PropMotifWmHints;
186
187	typedef struct
188	{
189	uint32 red;
190	uint32 green;
191	uint32 blue;
192	}
193	PixelColour;
194
195	#define ON_ALL_SEAMLESS_WINDOWS(func, args) \
196	do { \
197	seamless_window *sw; \
198	XRectangle rect; \
199	if (!g_seamless_windows) break; \
200	for (sw = g_seamless_windows; sw; sw = sw->next) { \
201	rect.x = g_clip_rectangle.x - sw->xoffset; \
202	rect.y = g_clip_rectangle.y - sw->yoffset; \
203	rect.width = g_clip_rectangle.width; \
204	rect.height = g_clip_rectangle.height; \
205	XSetClipRectangles(g_display, g_gc, 0, 0, &rect, 1, YXBanded); \
206	func args; \
207	} \
208	XSetClipRectangles(g_display, g_gc, 0, 0, &g_clip_rectangle, 1, YXBanded); \
209	} while (0)
210
211	static void
212	seamless_XFillPolygon(Drawable d, XPoint * points, int npoints, int xoffset, int yoffset)
213	{
214	points[0].x -= xoffset;
215	points[0].y -= yoffset;
216	XFillPolygon(g_display, d, g_gc, points, npoints, Complex, CoordModePrevious);
217	points[0].x += xoffset;
218	points[0].y += yoffset;
219	}
220
221	static void
222	seamless_XDrawLines(Drawable d, XPoint * points, int npoints, int xoffset, int yoffset)
223	{
224	points[0].x -= xoffset;
225	points[0].y -= yoffset;
226	XDrawLines(g_display, d, g_gc, points, npoints, CoordModePrevious);
227	points[0].x += xoffset;
228	points[0].y += yoffset;
229	}
230
231	#define FILL_RECTANGLE(x,y,cx,cy)\
232	{ \
233	XFillRectangle(g_display, g_wnd, g_gc, x, y, cx, cy); \
234	ON_ALL_SEAMLESS_WINDOWS(XFillRectangle, (g_display, sw->wnd, g_gc, x-sw->xoffset, y-sw->yoffset, cx, cy)); \
235	if (g_ownbackstore) \
236	XFillRectangle(g_display, g_backstore, g_gc, x, y, cx, cy); \
237	}
238
239	#define FILL_RECTANGLE_BACKSTORE(x,y,cx,cy)\
240	{ \
241	XFillRectangle(g_display, g_ownbackstore ? g_backstore : g_wnd, g_gc, x, y, cx, cy); \
242	}
243
244	#define FILL_POLYGON(p,np)\
245	{ \
246	XFillPolygon(g_display, g_wnd, g_gc, p, np, Complex, CoordModePrevious); \
247	if (g_ownbackstore) \
248	XFillPolygon(g_display, g_backstore, g_gc, p, np, Complex, CoordModePrevious); \
249	ON_ALL_SEAMLESS_WINDOWS(seamless_XFillPolygon, (sw->wnd, p, np, sw->xoffset, sw->yoffset)); \
250	}
251
252	#define DRAW_ELLIPSE(x,y,cx,cy,m)\
253	{ \
254	switch (m) \
255	{ \
256	case 0: /* Outline */ \
257	XDrawArc(g_display, g_wnd, g_gc, x, y, cx, cy, 0, 360*64); \
258	ON_ALL_SEAMLESS_WINDOWS(XDrawArc, (g_display, sw->wnd, g_gc, x-sw->xoffset, y-sw->yoffset, cx, cy, 0, 360*64)); \
259	if (g_ownbackstore) \
260	XDrawArc(g_display, g_backstore, g_gc, x, y, cx, cy, 0, 360*64); \
261	break; \
262	case 1: /* Filled */ \
263	XFillArc(g_display, g_wnd, g_gc, x, y, cx, cy, 0, 360*64); \
264	ON_ALL_SEAMLESS_WINDOWS(XFillArc, (g_display, sw->wnd, g_gc, x-sw->xoffset, y-sw->yoffset, cx, cy, 0, 360*64)); \
265	if (g_ownbackstore) \
266	XFillArc(g_display, g_backstore, g_gc, x, y, cx, cy, 0, 360*64); \
267	break; \
268	} \
269	}
270
271	/* colour maps */
272	extern RD_BOOL g_owncolmap;
273	static Colormap g_xcolmap;
274	static uint32 *g_colmap = NULL;
275
276	#define TRANSLATE(col) ( g_server_depth != 8 ? translate_colour(col) : g_owncolmap ? col : g_colmap[col] )
277	#define SET_FOREGROUND(col) XSetForeground(g_display, g_gc, TRANSLATE(col));
278	#define SET_BACKGROUND(col) XSetBackground(g_display, g_gc, TRANSLATE(col));
279
280	static int rop2_map[] = {
281	GXclear, /* 0 */
282	GXnor, /* DPon */
283	GXandInverted, /* DPna */
284	GXcopyInverted, /* Pn */
285	GXandReverse, /* PDna */
286	GXinvert, /* Dn */
287	GXxor, /* DPx */
288	GXnand, /* DPan */
289	GXand, /* DPa */
290	GXequiv, /* DPxn */
291	GXnoop, /* D */
292	GXorInverted, /* DPno */
293	GXcopy, /* P */
294	GXorReverse, /* PDno */
295	GXor, /* DPo */
296	GXset /* 1 */
297	};
298
299	#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, rop2_map[rop2]); }
300	#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(g_display, g_gc, GXcopy); }
301
302	static seamless_window *
303	sw_get_window_by_id(unsigned long id)
304	{
305	seamless_window *sw;
306	for (sw = g_seamless_windows; sw; sw = sw->next)
307	{
308	if (sw->id == id)
309	return sw;
310	}
311	return NULL;
312	}
313
314
315	static seamless_window *
316	sw_get_window_by_wnd(Window wnd)
317	{
318	seamless_window *sw;
319	for (sw = g_seamless_windows; sw; sw = sw->next)
320	{
321	if (sw->wnd == wnd)
322	return sw;
323	}
324	return NULL;
325	}
326
327
328	static void
329	sw_remove_window(seamless_window * win)
330	{
331	seamless_window sw, *prevnext = &g_seamless_windows;
332	for (sw = g_seamless_windows; sw; sw = sw->next)
333	{
334	if (sw == win)
335	{
336	*prevnext = sw->next;
337	sw->group->refcnt--;
338	if (sw->group->refcnt == 0)
339	{
340	XDestroyWindow(g_display, sw->group->wnd);
341	xfree(sw->group);
342	}
343	xfree(sw->position_timer);
344	xfree(sw);
345	return;
346	}
347	prevnext = &sw->next;
348	}
349	return;
350	}
351
352
353	/* Move all windows except wnd to new desktop */
354	static void
355	sw_all_to_desktop(Window wnd, unsigned int desktop)
356	{
357	seamless_window *sw;
358	for (sw = g_seamless_windows; sw; sw = sw->next)
359	{
360	if (sw->wnd == wnd)
361	continue;
362	if (sw->desktop != desktop)
363	{
364	ewmh_move_to_desktop(sw->wnd, desktop);
365	sw->desktop = desktop;
366	}
367	}
368	}
369
370
371	/* Send our position */
372	static void
373	sw_update_position(seamless_window * sw)
374	{
375	XWindowAttributes wa;
376	int x, y;
377	Window child_return;
378	unsigned int serial;
379
380	XGetWindowAttributes(g_display, sw->wnd, &wa);
381	XTranslateCoordinates(g_display, sw->wnd, wa.root,
382	-wa.border_width, -wa.border_width, &x, &y, &child_return);
383
384	serial = seamless_send_position(sw->id, x, y, wa.width, wa.height, 0);
385
386	sw->outstanding_position = True;
387	sw->outpos_serial = serial;
388
389	sw->outpos_xoffset = x;
390	sw->outpos_yoffset = y;
391	sw->outpos_width = wa.width;
392	sw->outpos_height = wa.height;
393	}
394
395
396	/* Check if it's time to send our position */
397	static void
398	sw_check_timers()
399	{
400	seamless_window *sw;
401	struct timeval now;
402
403	gettimeofday(&now, NULL);
404	for (sw = g_seamless_windows; sw; sw = sw->next)
405	{
406	if (timerisset(sw->position_timer) && timercmp(sw->position_timer, &now, <))
407	{
408	timerclear(sw->position_timer);
409	sw_update_position(sw);
410	}
411	}
412	}
413
414
415	static void
416	sw_restack_window(seamless_window * sw, unsigned long behind)
417	{
418	seamless_window *sw_above;
419
420	/* Remove window from stack */
421	for (sw_above = g_seamless_windows; sw_above; sw_above = sw_above->next)
422	{
423	if (sw_above->behind == sw->id)
424	break;
425	}
426
427	if (sw_above)
428	sw_above->behind = sw->behind;
429
430	/* And then add it at the new position */
431	for (sw_above = g_seamless_windows; sw_above; sw_above = sw_above->next)
432	{
433	if (sw_above->behind == behind)
434	break;
435	}
436
437	if (sw_above)
438	sw_above->behind = sw->id;
439
440	sw->behind = behind;
441	}
442
443
444	static void
445	sw_handle_restack(seamless_window * sw)
446	{
447	Status status;
448	Window root, parent, *children;
449	unsigned int nchildren, i;
450	seamless_window *sw_below;
451
452	status = XQueryTree(g_display, RootWindowOfScreen(g_screen),
453	&root, &parent, &children, &nchildren);
454	if (!status \|\| !nchildren)
455	return;
456
457	sw_below = NULL;
458
459	i = 0;
460	while (children[i] != sw->wnd)
461	{
462	i++;
463	if (i >= nchildren)
464	goto end;
465	}
466
467	for (i++; i < nchildren; i++)
468	{
469	sw_below = sw_get_window_by_wnd(children[i]);
470	if (sw_below)
471	break;
472	}
473
474	if (!sw_below && !sw->behind)
475	goto end;
476	if (sw_below && (sw_below->id == sw->behind))
477	goto end;
478
479	if (sw_below)
480	{
481	seamless_send_zchange(sw->id, sw_below->id, 0);
482	sw_restack_window(sw, sw_below->id);
483	}
484	else
485	{
486	seamless_send_zchange(sw->id, 0, 0);
487	sw_restack_window(sw, 0);
488	}
489
490	end:
491	XFree(children);
492	}
493
494
495	static seamless_group *
496	sw_find_group(unsigned long id, RD_BOOL dont_create)
497	{
498	seamless_window *sw;
499	seamless_group *sg;
500	XSetWindowAttributes attribs;
501
502	for (sw = g_seamless_windows; sw; sw = sw->next)
503	{
504	if (sw->group->id == id)
505	return sw->group;
506	}
507
508	if (dont_create)
509	return NULL;
510
511	sg = xmalloc(sizeof(seamless_group));
512
513	sg->wnd =
514	XCreateWindow(g_display, RootWindowOfScreen(g_screen), -1, -1, 1, 1, 0,
515	CopyFromParent, CopyFromParent, CopyFromParent, 0, &attribs);
516
517	sg->id = id;
518	sg->refcnt = 0;
519
520	return sg;
521	}
522
523
524	static void
525	mwm_hide_decorations(Window wnd)
526	{
527	PropMotifWmHints motif_hints;
528	Atom hintsatom;
529
530	/* setup the property */
531	motif_hints.flags = MWM_HINTS_DECORATIONS;
532	motif_hints.decorations = 0;
533
534	/* get the atom for the property */
535	hintsatom = XInternAtom(g_display, "_MOTIF_WM_HINTS", False);
536	if (!hintsatom)
537	{
538	warning("Failed to get atom _MOTIF_WM_HINTS: probably your window manager does not support MWM hints\n");
539	return;
540	}
541
542	XChangeProperty(g_display, wnd, hintsatom, hintsatom, 32, PropModeReplace,
543	(unsigned char *) &motif_hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
544
545	}
546
547	typedef struct _sw_configurenotify_context
548	{
549	Window window;
550	unsigned long serial;
551	} sw_configurenotify_context;
552
553	/* Predicate procedure for sw_wait_configurenotify */
554	static Bool
555	sw_configurenotify_p(Display * display, XEvent * xevent, XPointer arg)
556	{
557	sw_configurenotify_context context = (sw_configurenotify_context ) arg;
558	if (xevent->xany.type == ConfigureNotify
559	&& xevent->xconfigure.window == context->window
560	&& xevent->xany.serial >= context->serial)
561	return True;
562
563	return False;
564	}
565
566	/* Wait for a ConfigureNotify, with a equal or larger serial, on the
567	specified window. The event will be removed from the queue. We
568	could use XMaskEvent(StructureNotifyMask), but we would then risk
569	throwing away crucial events like DestroyNotify.
570
571	After a ConfigureWindow, according to ICCCM section 4.1.5, we
572	should recieve a ConfigureNotify, either a real or synthetic
573	one. This indicates that the configure has been "completed".
574	However, some WMs such as several versions of Metacity fails to
575	send synthetic events. See bug
576	http://bugzilla.gnome.org/show_bug.cgi?id=322840. We need to use a
577	timeout to avoid a hang. Tk uses the same approach. */
578	static void
579	sw_wait_configurenotify(Window wnd, unsigned long serial)
580	{
581	XEvent xevent;
582	sw_configurenotify_context context;
583	struct timeval now;
584	struct timeval nextsecond;
585	RD_BOOL got = False;
586
587	context.window = wnd;
588	context.serial = serial;
589
590	gettimeofday(&nextsecond, NULL);
591	nextsecond.tv_sec += 1;
592
593	do
594	{
595	if (XCheckIfEvent(g_display, &xevent, sw_configurenotify_p, (XPointer) & context))
596	{
597	got = True;
598	break;
599	}
600	usleep(100000);
601	gettimeofday(&now, NULL);
602	}
603	while (timercmp(&now, &nextsecond, <));
604
605	if (!got)
606	{
607	warning("Broken Window Manager: Timeout while waiting for ConfigureNotify\n");
608	}
609	}
610
611	/* Get the toplevel window, in case of reparenting */
612	static Window
613	sw_get_toplevel(Window wnd)
614	{
615	Window root, parent;
616	Window *child_list;
617	unsigned int num_children;
618
619	while (1)
620	{
621	XQueryTree(g_display, wnd, &root, &parent, &child_list, &num_children);
622	if (root == parent)
623	{
624	break;
625	}
626	else if (!parent)
627	{
628	warning("Internal error: sw_get_toplevel called with root window\n");
629	}
630
631	wnd = parent;
632	}
633
634	return wnd;
635	}
636
637
638	/* Check if wnd is already behind a window wrt stacking order */
639	static RD_BOOL
640	sw_window_is_behind(Window wnd, Window behind)
641	{
642	Window dummy1, dummy2;
643	Window *child_list;
644	unsigned int num_children;
645	unsigned int i;
646	RD_BOOL found_behind = False;
647	RD_BOOL found_wnd = False;
648
649	wnd = sw_get_toplevel(wnd);
650	behind = sw_get_toplevel(behind);
651
652	XQueryTree(g_display, RootWindowOfScreen(g_screen), &dummy1, &dummy2, &child_list,
653	&num_children);
654
655	for (i = num_children; i > 0; i--)
656	{
657	if (child_list[i-1] == behind)
658	{
659	found_behind = True;
660	}
661	else if (child_list[i-1] == wnd)
662	{
663	found_wnd = True;
664	break;
665	}
666	}
667
668	if (child_list)
669	XFree(child_list);
670
671	if (!found_wnd)
672	{
673	warning("sw_window_is_behind: Unable to find window 0x%lx\n", wnd);
674
675	if (!found_behind)
676	{
677	warning("sw_window_is_behind: Unable to find behind window 0x%lx\n",
678	behind);
679	}
680	}
681
682	return found_behind;
683	}
684
685
686	/* Test if the window manager correctly handles window restacking. In
687	particular, we are testing if it's possible to place a window
688	between two other windows. Many WMs such as Metacity can only stack
689	windows on the top or bottom. The window creation should mostly
690	match ui_seamless_create_window. */
691	static void
692	seamless_restack_test()
693	{
694	/* The goal is to have the middle window between top and
695	bottom. The middle window is initially at the top,
696	though. */
697	Window wnds[3]; /* top, middle and bottom */
698	int i;
699	XEvent xevent;
700	XWindowChanges values;
701	unsigned long restack_serial;
702
703	for (i = 0; i < 3; i++)
704	{
705	char name[64];
706	wnds[i] =
707	XCreateSimpleWindow(g_display, RootWindowOfScreen(g_screen), 0, 0, 20, 20,
708	0, 0, 0);
709	snprintf(name, sizeof(name), "SeamlessRDP restack test - window %d", i);
710	XStoreName(g_display, wnds[i], name);
711	ewmh_set_wm_name(wnds[i], name);
712
713	/* Hide decorations. Often this means that no
714	reparenting will be done, which makes the restack
715	easier. Besides, we want to mimic our other
716	seamless windows as much as possible. We must still
717	handle the case with reparenting, though. */
718	mwm_hide_decorations(wnds[i]);
719
720	/* Prevent windows from appearing in task bar */
721	XSetTransientForHint(g_display, wnds[i], RootWindowOfScreen(g_screen));
722	ewmh_set_window_popup(wnds[i]);
723
724	/* We need to catch MapNotify/ConfigureNotify */
725	XSelectInput(g_display, wnds[i], StructureNotifyMask);
726	}
727
728	/* Map Windows. Currently, we assume that XMapRaised places
729	the window on the top of the stack. Should be fairly safe;
730	the window is configured before it's mapped. */
731	XMapRaised(g_display, wnds[2]); /* bottom */
732	do
733	{
734	XWindowEvent(g_display, wnds[2], StructureNotifyMask, &xevent);
735	}
736	while (xevent.type != MapNotify);
737	XMapRaised(g_display, wnds[0]); /* top */
738	do
739	{
740	XWindowEvent(g_display, wnds[0], StructureNotifyMask, &xevent);
741	}
742	while (xevent.type != MapNotify);
743	XMapRaised(g_display, wnds[1]); /* middle */
744	do
745	{
746	XWindowEvent(g_display, wnds[1], StructureNotifyMask, &xevent);
747	}
748	while (xevent.type != MapNotify);
749
750	/* The stacking order should now be 1 - 0 - 2 */
751	if (!sw_window_is_behind(wnds[0], wnds[1]) \|\| !sw_window_is_behind(wnds[2], wnds[1]))
752	{
753	/* Ok, technically a WM is allowed to stack windows arbitrarily, but... */
754	warning("Broken Window Manager: Unable to test window restacking\n");
755	g_seamless_broken_restack = True;
756	for (i = 0; i < 3; i++)
757	XDestroyWindow(g_display, wnds[i]);
758	return;
759	}
760
761	/* Restack, using XReconfigureWMWindow, which should correctly
762	handle reparented windows as well as nonreparenting WMs. */
763	values.stack_mode = Below;
764	values.sibling = wnds[0];
765	restack_serial = XNextRequest(g_display);
766	XReconfigureWMWindow(g_display, wnds[1], DefaultScreen(g_display), CWStackMode \| CWSibling,
767	&values);
768	sw_wait_configurenotify(wnds[1], restack_serial);
769
770	/* Now verify that middle is behind top but not behind
771	bottom */
772	if (!sw_window_is_behind(wnds[1], wnds[0]))
773	{
774	warning("Broken Window Manager: doesn't handle restack (restack request was ignored)\n");
775	g_seamless_broken_restack = True;
776	}
777	else if (sw_window_is_behind(wnds[1], wnds[2]))
778	{
779	warning("Broken Window Manager: doesn't handle restack (window was moved to bottom)\n");
780	g_seamless_broken_restack = True;
781	}
782
783	/* Destroy windows */
784	for (i = 0; i < 3; i++)
785	XDestroyWindow(g_display, wnds[i]);
786	}
787
788	#define SPLITCOLOUR15(colour, rv) \
789	{ \
790	rv.red = ((colour >> 7) & 0xf8) \| ((colour >> 12) & 0x7); \
791	rv.green = ((colour >> 2) & 0xf8) \| ((colour >> 8) & 0x7); \
792	rv.blue = ((colour << 3) & 0xf8) \| ((colour >> 2) & 0x7); \
793	}
794
795	#define SPLITCOLOUR16(colour, rv) \
796	{ \
797	rv.red = ((colour >> 8) & 0xf8) \| ((colour >> 13) & 0x7); \
798	rv.green = ((colour >> 3) & 0xfc) \| ((colour >> 9) & 0x3); \
799	rv.blue = ((colour << 3) & 0xf8) \| ((colour >> 2) & 0x7); \
800	} \
801
802	#define SPLITCOLOUR24(colour, rv) \
803	{ \
804	rv.blue = (colour & 0xff0000) >> 16; \
805	rv.green = (colour & 0x00ff00) >> 8; \
806	rv.red = (colour & 0x0000ff); \
807	}
808
809	#define MAKECOLOUR(pc) \
810	((pc.red >> g_red_shift_r) << g_red_shift_l) \
811	\| ((pc.green >> g_green_shift_r) << g_green_shift_l) \
812	\| ((pc.blue >> g_blue_shift_r) << g_blue_shift_l) \
813
814	#define BSWAP16(x) { x = (((x & 0xff) << 8) \| (x >> 8)); }
815	#define BSWAP24(x) { x = (((x & 0xff) << 16) \| (x >> 16) \| (x & 0xff00)); }
816	#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) \| ((x >> 8) & 0xff00ff)); \
817	x = (x << 16) \| (x >> 16); }
818
819	/* The following macros output the same octet sequences
820	on both BE and LE hosts: */
821
822	#define BOUT16(o, x) { (o++) = x >> 8; (o++) = x; }
823	#define BOUT24(o, x) { (o++) = x >> 16; (o++) = x >> 8; *(o++) = x; }
824	#define BOUT32(o, x) { (o++) = x >> 24; (o++) = x >> 16; (o++) = x >> 8; (o++) = x; }
825	#define LOUT16(o, x) { (o++) = x; (o++) = x >> 8; }
826	#define LOUT24(o, x) { (o++) = x; (o++) = x >> 8; *(o++) = x >> 16; }
827	#define LOUT32(o, x) { (o++) = x; (o++) = x >> 8; (o++) = x >> 16; (o++) = x >> 24; }
828
829	static uint32
830	translate_colour(uint32 colour)
831	{
832	PixelColour pc;
833	switch (g_server_depth)
834	{
835	case 15:
836	SPLITCOLOUR15(colour, pc);
837	break;
838	case 16:
839	SPLITCOLOUR16(colour, pc);
840	break;
841	case 24:
842	case 32:
843	SPLITCOLOUR24(colour, pc);
844	break;
845	default:
846	/* Avoid warning */
847	pc.red = 0;
848	pc.green = 0;
849	pc.blue = 0;
850	break;
851	}
852	return MAKECOLOUR(pc);
853	}
854
855	/* indent is confused by UNROLL8 */
856	/* INDENT-OFF */
857
858	/* repeat and unroll, similar to bitmap.c */
859	/* potentialy any of the following translate */
860	/* functions can use repeat but just doing */
861	/* the most common ones */
862
863	#define UNROLL8(stm) { stm stm stm stm stm stm stm stm }
864	/* 2 byte output repeat */
865	#define REPEAT2(stm) \
866	{ \
867	while (out <= end - 8 * 2) \
868	UNROLL8(stm) \
869	while (out < end) \
870	{ stm } \
871	}
872	/* 3 byte output repeat */
873	#define REPEAT3(stm) \
874	{ \
875	while (out <= end - 8 * 3) \
876	UNROLL8(stm) \
877	while (out < end) \
878	{ stm } \
879	}
880	/* 4 byte output repeat */
881	#define REPEAT4(stm) \
882	{ \
883	while (out <= end - 8 * 4) \
884	UNROLL8(stm) \
885	while (out < end) \
886	{ stm } \
887	}
888	/* INDENT-ON */
889
890	static void
891	translate8to8(const uint8 * data, uint8 * out, uint8 * end)
892	{
893	while (out < end)
894	(out++) = (uint8) g_colmap[(data++)];
895	}
896
897	static void
898	translate8to16(const uint8 * data, uint8 * out, uint8 * end)
899	{
900	uint16 value;
901
902	if (g_compatible_arch)
903	{
904	/* INDENT-OFF */
905	REPEAT2
906	(
907	((uint16 ) out) = g_colmap[*(data++)];
908	out += 2;
909	)
910	/* INDENT-ON */
911	}
912	else if (g_xserver_be)
913	{
914	while (out < end)
915	{
916	value = (uint16) g_colmap[*(data++)];
917	BOUT16(out, value);
918	}
919	}
920	else
921	{
922	while (out < end)
923	{
924	value = (uint16) g_colmap[*(data++)];
925	LOUT16(out, value);
926	}
927	}
928	}
929
930	/* little endian - conversion happens when colourmap is built */
931	static void
932	translate8to24(const uint8 * data, uint8 * out, uint8 * end)
933	{
934	uint32 value;
935
936	if (g_compatible_arch)
937	{
938	while (out < end)
939	{
940	value = g_colmap[*(data++)];
941	BOUT24(out, value);
942	}
943	}
944	else
945	{
946	while (out < end)
947	{
948	value = g_colmap[*(data++)];
949	LOUT24(out, value);
950	}
951	}
952	}
953
954	static void
955	translate8to32(const uint8 * data, uint8 * out, uint8 * end)
956	{
957	uint32 value;
958
959	if (g_compatible_arch)
960	{
961	/* INDENT-OFF */
962	REPEAT4
963	(
964	((uint32 ) out) = g_colmap[*(data++)];
965	out += 4;
966	)
967	/* INDENT-ON */
968	}
969	else if (g_xserver_be)
970	{
971	while (out < end)
972	{
973	value = g_colmap[*(data++)];
974	BOUT32(out, value);
975	}
976	}
977	else
978	{
979	while (out < end)
980	{
981	value = g_colmap[*(data++)];
982	LOUT32(out, value);
983	}
984	}
985	}
986
987	static void
988	translate15to16(const uint16 * data, uint8 * out, uint8 * end)
989	{
990	uint16 pixel;
991	uint16 value;
992	PixelColour pc;
993
994	if (g_xserver_be)
995	{
996	while (out < end)
997	{
998	pixel = *(data++);
999	if (g_host_be)
1000	{
1001	BSWAP16(pixel);
1002	}
1003	SPLITCOLOUR15(pixel, pc);
1004	value = MAKECOLOUR(pc);
1005	BOUT16(out, value);
1006	}
1007	}
1008	else
1009	{
1010	while (out < end)
1011	{
1012	pixel = *(data++);
1013	if (g_host_be)
1014	{
1015	BSWAP16(pixel);
1016	}
1017	SPLITCOLOUR15(pixel, pc);
1018	value = MAKECOLOUR(pc);
1019	LOUT16(out, value);
1020	}
1021	}
1022	}
1023
1024	static void
1025	translate15to24(const uint16 * data, uint8 * out, uint8 * end)
1026	{
1027	uint32 value;
1028	uint16 pixel;
1029	PixelColour pc;
1030
1031	if (g_compatible_arch)
1032	{
1033	/* INDENT-OFF */
1034	REPEAT3
1035	(
1036	pixel = *(data++);
1037	SPLITCOLOUR15(pixel, pc);
1038	*(out++) = pc.blue;
1039	*(out++) = pc.green;
1040	*(out++) = pc.red;
1041	)
1042	/* INDENT-ON */
1043	}
1044	else if (g_xserver_be)
1045	{
1046	while (out < end)
1047	{
1048	pixel = *(data++);
1049	if (g_host_be)
1050	{
1051	BSWAP16(pixel);
1052	}
1053	SPLITCOLOUR15(pixel, pc);
1054	value = MAKECOLOUR(pc);
1055	BOUT24(out, value);
1056	}
1057	}
1058	else
1059	{
1060	while (out < end)
1061	{
1062	pixel = *(data++);
1063	if (g_host_be)
1064	{
1065	BSWAP16(pixel);
1066	}
1067	SPLITCOLOUR15(pixel, pc);
1068	value = MAKECOLOUR(pc);
1069	LOUT24(out, value);
1070	}
1071	}
1072	}
1073
1074	static void
1075	translate15to32(const uint16 * data, uint8 * out, uint8 * end)
1076	{
1077	uint16 pixel;
1078	uint32 value;
1079	PixelColour pc;
1080
1081	if (g_compatible_arch)
1082	{
1083	/* INDENT-OFF */
1084	REPEAT4
1085	(
1086	pixel = *(data++);
1087	SPLITCOLOUR15(pixel, pc);
1088	*(out++) = pc.blue;
1089	*(out++) = pc.green;
1090	*(out++) = pc.red;
1091	*(out++) = 0;
1092	)
1093	/* INDENT-ON */
1094	}
1095	else if (g_xserver_be)
1096	{
1097	while (out < end)
1098	{
1099	pixel = *(data++);
1100	if (g_host_be)
1101	{
1102	BSWAP16(pixel);
1103	}
1104	SPLITCOLOUR15(pixel, pc);
1105	value = MAKECOLOUR(pc);
1106	BOUT32(out, value);
1107	}
1108	}
1109	else
1110	{
1111	while (out < end)
1112	{
1113	pixel = *(data++);
1114	if (g_host_be)
1115	{
1116	BSWAP16(pixel);
1117	}
1118	SPLITCOLOUR15(pixel, pc);
1119	value = MAKECOLOUR(pc);
1120	LOUT32(out, value);
1121	}
1122	}
1123	}
1124
1125	static void
1126	translate16to16(const uint16 * data, uint8 * out, uint8 * end)
1127	{
1128	uint16 pixel;
1129	uint16 value;
1130	PixelColour pc;
1131
1132	if (g_xserver_be)
1133	{
1134	if (g_host_be)
1135	{
1136	while (out < end)
1137	{
1138	pixel = *(data++);
1139	BSWAP16(pixel);
1140	SPLITCOLOUR16(pixel, pc);
1141	value = MAKECOLOUR(pc);
1142	BOUT16(out, value);
1143	}
1144	}
1145	else
1146	{
1147	while (out < end)
1148	{
1149	pixel = *(data++);
1150	SPLITCOLOUR16(pixel, pc);
1151	value = MAKECOLOUR(pc);
1152	BOUT16(out, value);
1153	}
1154	}
1155	}
1156	else
1157	{
1158	if (g_host_be)
1159	{
1160	while (out < end)
1161	{
1162	pixel = *(data++);
1163	BSWAP16(pixel);
1164	SPLITCOLOUR16(pixel, pc);
1165	value = MAKECOLOUR(pc);
1166	LOUT16(out, value);
1167	}
1168	}
1169	else
1170	{
1171	while (out < end)
1172	{
1173	pixel = *(data++);
1174	SPLITCOLOUR16(pixel, pc);
1175	value = MAKECOLOUR(pc);
1176	LOUT16(out, value);
1177	}
1178	}
1179	}
1180	}
1181
1182	static void
1183	translate16to24(const uint16 * data, uint8 * out, uint8 * end)
1184	{
1185	uint32 value;
1186	uint16 pixel;
1187	PixelColour pc;
1188
1189	if (g_compatible_arch)
1190	{
1191	/* INDENT-OFF */
1192	REPEAT3
1193	(
1194	pixel = *(data++);
1195	SPLITCOLOUR16(pixel, pc);
1196	*(out++) = pc.blue;
1197	*(out++) = pc.green;
1198	*(out++) = pc.red;
1199	)
1200	/* INDENT-ON */
1201	}
1202	else if (g_xserver_be)
1203	{
1204	if (g_host_be)
1205	{
1206	while (out < end)
1207	{
1208	pixel = *(data++);
1209	BSWAP16(pixel);
1210	SPLITCOLOUR16(pixel, pc);
1211	value = MAKECOLOUR(pc);
1212	BOUT24(out, value);
1213	}
1214	}
1215	else
1216	{
1217	while (out < end)
1218	{
1219	pixel = *(data++);
1220	SPLITCOLOUR16(pixel, pc);
1221	value = MAKECOLOUR(pc);
1222	BOUT24(out, value);
1223	}
1224	}
1225	}
1226	else
1227	{
1228	if (g_host_be)
1229	{
1230	while (out < end)
1231	{
1232	pixel = *(data++);
1233	BSWAP16(pixel);
1234	SPLITCOLOUR16(pixel, pc);
1235	value = MAKECOLOUR(pc);
1236	LOUT24(out, value);
1237	}
1238	}
1239	else
1240	{
1241	while (out < end)
1242	{
1243	pixel = *(data++);
1244	SPLITCOLOUR16(pixel, pc);
1245	value = MAKECOLOUR(pc);
1246	LOUT24(out, value);
1247	}
1248	}
1249	}
1250	}
1251
1252	static void
1253	translate16to32(const uint16 * data, uint8 * out, uint8 * end)
1254	{
1255	uint16 pixel;
1256	uint32 value;
1257	PixelColour pc;
1258
1259	if (g_compatible_arch)
1260	{
1261	/* INDENT-OFF */
1262	REPEAT4
1263	(
1264	pixel = *(data++);
1265	SPLITCOLOUR16(pixel, pc);
1266	*(out++) = pc.blue;
1267	*(out++) = pc.green;
1268	*(out++) = pc.red;
1269	*(out++) = 0;
1270	)
1271	/* INDENT-ON */
1272	}
1273	else if (g_xserver_be)
1274	{
1275	if (g_host_be)
1276	{
1277	while (out < end)
1278	{
1279	pixel = *(data++);
1280	BSWAP16(pixel);
1281	SPLITCOLOUR16(pixel, pc);
1282	value = MAKECOLOUR(pc);
1283	BOUT32(out, value);
1284	}
1285	}
1286	else
1287	{
1288	while (out < end)
1289	{
1290	pixel = *(data++);
1291	SPLITCOLOUR16(pixel, pc);
1292	value = MAKECOLOUR(pc);
1293	BOUT32(out, value);
1294	}
1295	}
1296	}
1297	else
1298	{
1299	if (g_host_be)
1300	{
1301	while (out < end)
1302	{
1303	pixel = *(data++);
1304	BSWAP16(pixel);
1305	SPLITCOLOUR16(pixel, pc);
1306	value = MAKECOLOUR(pc);
1307	LOUT32(out, value);
1308	}
1309	}
1310	else
1311	{
1312	while (out < end)
1313	{
1314	pixel = *(data++);
1315	SPLITCOLOUR16(pixel, pc);
1316	value = MAKECOLOUR(pc);
1317	LOUT32(out, value);
1318	}
1319	}
1320	}
1321	}
1322
1323	static void
1324	translate24to16(const uint8 * data, uint8 * out, uint8 * end)
1325	{
1326	uint32 pixel = 0;
1327	uint16 value;
1328	PixelColour pc;
1329
1330	while (out < end)
1331	{
1332	pixel = *(data++) << 16;
1333	pixel \|= *(data++) << 8;
1334	pixel \|= *(data++);
1335	SPLITCOLOUR24(pixel, pc);
1336	value = MAKECOLOUR(pc);
1337	if (g_xserver_be)
1338	{
1339	BOUT16(out, value);
1340	}
1341	else
1342	{
1343	LOUT16(out, value);
1344	}
1345	}
1346	}
1347
1348	static void
1349	translate24to24(const uint8 * data, uint8 * out, uint8 * end)
1350	{
1351	uint32 pixel;
1352	uint32 value;
1353	PixelColour pc;
1354
1355	if (g_xserver_be)
1356	{
1357	while (out < end)
1358	{
1359	pixel = *(data++) << 16;
1360	pixel \|= *(data++) << 8;
1361	pixel \|= *(data++);
1362	SPLITCOLOUR24(pixel, pc);
1363	value = MAKECOLOUR(pc);
1364	BOUT24(out, value);
1365	}
1366	}
1367	else
1368	{
1369	while (out < end)
1370	{
1371	pixel = *(data++) << 16;
1372	pixel \|= *(data++) << 8;
1373	pixel \|= *(data++);
1374	SPLITCOLOUR24(pixel, pc);
1375	value = MAKECOLOUR(pc);
1376	LOUT24(out, value);
1377	}
1378	}
1379	}
1380
1381	static void
1382	translate24to32(const uint8 * data, uint8 * out, uint8 * end)
1383	{
1384	uint32 pixel;
1385	uint32 value;
1386	PixelColour pc;
1387
1388	if (g_compatible_arch)
1389	{
1390	/* INDENT-OFF */
1391	#ifdef NEED_ALIGN
1392	REPEAT4
1393	(
1394	(out++) = (data++);
1395	(out++) = (data++);
1396	(out++) = (data++);
1397	*(out++) = 0;
1398	)
1399	#else
1400	REPEAT4
1401	(
1402	/* Only read 3 bytes. Reading 4 bytes means reading beyond buffer. */
1403	((uint32 ) out) = ((uint16 ) data) + (((uint8 ) data + 2) << 16);
1404	out += 4;
1405	data += 3;
1406	)
1407	#endif
1408	/* INDENT-ON */
1409	}
1410	else if (g_xserver_be)
1411	{
1412	while (out < end)
1413	{
1414	pixel = *(data++) << 16;
1415	pixel \|= *(data++) << 8;
1416	pixel \|= *(data++);
1417	SPLITCOLOUR24(pixel, pc);
1418	value = MAKECOLOUR(pc);
1419	BOUT32(out, value);
1420	}
1421	}
1422	else
1423	{
1424	while (out < end)
1425	{
1426	pixel = *(data++) << 16;
1427	pixel \|= *(data++) << 8;
1428	pixel \|= *(data++);
1429	SPLITCOLOUR24(pixel, pc);
1430	value = MAKECOLOUR(pc);
1431	LOUT32(out, value);
1432	}
1433	}
1434	}
1435
1436	static uint8 *
1437	translate_image(int width, int height, uint8 * data)
1438	{
1439	int size;
1440	uint8 *out;
1441	uint8 *end;
1442
1443	/*
1444	If RDP depth and X Visual depths match,
1445	and arch(endian) matches, no need to translate:
1446	just return data.
1447	Note: select_visual should've already ensured g_no_translate
1448	is only set for compatible depths, but the RDP depth might've
1449	changed during connection negotiations.
1450	*/
1451
1452	/* todo */
1453	if (g_server_depth == 32 && g_depth == 24)
1454	{
1455	return data;
1456	}
1457
1458	if (g_no_translate_image)
1459	{
1460	if ((g_depth == 15 && g_server_depth == 15) \|\|
1461	(g_depth == 16 && g_server_depth == 16) \|\|
1462	(g_depth == 24 && g_server_depth == 24))
1463	return data;
1464	}
1465
1466	size = width * height * (g_bpp / 8);
1467	out = (uint8 *) xmalloc(size);
1468	end = out + size;
1469
1470	switch (g_server_depth)
1471	{
1472	case 24:
1473	switch (g_bpp)
1474	{
1475	case 32:
1476	translate24to32(data, out, end);
1477	break;
1478	case 24:
1479	translate24to24(data, out, end);
1480	break;
1481	case 16:
1482	translate24to16(data, out, end);
1483	break;
1484	}
1485	break;
1486	case 16:
1487	switch (g_bpp)
1488	{
1489	case 32:
1490	translate16to32((uint16 *) data, out, end);
1491	break;
1492	case 24:
1493	translate16to24((uint16 *) data, out, end);
1494	break;
1495	case 16:
1496	translate16to16((uint16 *) data, out, end);
1497	break;
1498	}
1499	break;
1500	case 15:
1501	switch (g_bpp)
1502	{
1503	case 32:
1504	translate15to32((uint16 *) data, out, end);
1505	break;
1506	case 24:
1507	translate15to24((uint16 *) data, out, end);
1508	break;
1509	case 16:
1510	translate15to16((uint16 *) data, out, end);
1511	break;
1512	}
1513	break;
1514	case 8:
1515	switch (g_bpp)
1516	{
1517	case 8:
1518	translate8to8(data, out, end);
1519	break;
1520	case 16:
1521	translate8to16(data, out, end);
1522	break;
1523	case 24:
1524	translate8to24(data, out, end);
1525	break;
1526	case 32:
1527	translate8to32(data, out, end);
1528	break;
1529	}
1530	break;
1531	}
1532	return out;
1533	}
1534
1535	static void
1536	xwin_refresh_pointer_map(void)
1537	{
1538	unsigned char phys_to_log_map[sizeof(g_pointer_log_to_phys_map)];
1539	int i, pointer_buttons;
1540
1541	pointer_buttons = XGetPointerMapping(g_display, phys_to_log_map, sizeof(phys_to_log_map));
1542	if (pointer_buttons > sizeof(phys_to_log_map))
1543	pointer_buttons = sizeof(phys_to_log_map);
1544
1545	/* if multiple physical buttons map to the same logical button, then
1546	* use the lower numbered physical one */
1547	for (i = pointer_buttons - 1; i >= 0; i--)
1548	{
1549	/* a user could specify arbitrary values for the logical button
1550	* number, ignore any that are abnormally large */
1551	if (phys_to_log_map[i] > sizeof(g_pointer_log_to_phys_map))
1552	continue;
1553	g_pointer_log_to_phys_map[phys_to_log_map[i] - 1] = i + 1;
1554	}
1555	}
1556
1557	RD_BOOL
1558	get_key_state(unsigned int state, uint32 keysym)
1559	{
1560	int modifierpos, key, keysymMask = 0;
1561	int offset;
1562
1563	KeyCode keycode = XKeysymToKeycode(g_display, keysym);
1564
1565	if (keycode == NoSymbol)
1566	return False;
1567
1568	for (modifierpos = 0; modifierpos < 8; modifierpos++)
1569	{
1570	offset = g_mod_map->max_keypermod * modifierpos;
1571
1572	for (key = 0; key < g_mod_map->max_keypermod; key++)
1573	{
1574	if (g_mod_map->modifiermap[offset + key] == keycode)
1575	keysymMask \|= 1 << modifierpos;
1576	}
1577	}
1578
1579	return (state & keysymMask) ? True : False;
1580	}
1581
1582	static void
1583	calculate_shifts(uint32 mask, int shift_r, int shift_l)
1584	{
1585	*shift_l = ffs(mask) - 1;
1586	mask >>= *shift_l;
1587	*shift_r = 8 - ffs(mask & ~(mask >> 1));
1588	}
1589
1590	/* Given a mask of a colour channel (e.g. XVisualInfo.red_mask),
1591	calculates the bits-per-pixel of this channel (a.k.a. colour weight).
1592	*/
1593	static unsigned
1594	calculate_mask_weight(uint32 mask)
1595	{
1596	unsigned weight = 0;
1597	do
1598	{
1599	weight += (mask & 1);
1600	}
1601	while (mask >>= 1);
1602	return weight;
1603	}
1604
1605	static RD_BOOL
1606	select_visual(int screen_num)
1607	{
1608	XPixmapFormatValues *pfm;
1609	int pixmap_formats_count, visuals_count;
1610	XVisualInfo *vmatches = NULL;
1611	XVisualInfo template;
1612	int i;
1613	unsigned red_weight, blue_weight, green_weight;
1614
1615	red_weight = blue_weight = green_weight = 0;
1616
1617	if (g_server_depth == -1)
1618	{
1619	g_server_depth = DisplayPlanes(g_display, DefaultScreen(g_display));
1620	}
1621
1622	pfm = XListPixmapFormats(g_display, &pixmap_formats_count);
1623	if (pfm == NULL)
1624	{
1625	error("Unable to get list of pixmap formats from display.\n");
1626	XCloseDisplay(g_display);
1627	return False;
1628	}
1629
1630	/* Search for best TrueColor visual */
1631	template.class = TrueColor;
1632	template.screen = screen_num;
1633	vmatches =
1634	XGetVisualInfo(g_display, VisualClassMask \| VisualScreenMask, &template,
1635	&visuals_count);
1636	g_visual = NULL;
1637	g_no_translate_image = False;
1638	g_compatible_arch = False;
1639	if (vmatches != NULL)
1640	{
1641	for (i = 0; i < visuals_count; ++i)
1642	{
1643	XVisualInfo *visual_info = &vmatches[i];
1644	RD_BOOL can_translate_to_bpp = False;
1645	int j;
1646
1647	/* Try to find a no-translation visual that'll
1648	allow us to use RDP bitmaps directly as ZPixmaps. */
1649	if (!g_xserver_be && (((visual_info->depth == 15) &&
1650	/* R5G5B5 */
1651	(visual_info->red_mask == 0x7c00) &&
1652	(visual_info->green_mask == 0x3e0) &&
1653	(visual_info->blue_mask == 0x1f)) \|\|
1654	((visual_info->depth == 16) &&
1655	/* R5G6B5 */
1656	(visual_info->red_mask == 0xf800) &&
1657	(visual_info->green_mask == 0x7e0) &&
1658	(visual_info->blue_mask == 0x1f)) \|\|
1659	((visual_info->depth == 24) &&
1660	/* R8G8B8 */
1661	(visual_info->red_mask == 0xff0000) &&
1662	(visual_info->green_mask == 0xff00) &&
1663	(visual_info->blue_mask == 0xff))))
1664	{
1665	g_visual = visual_info->visual;
1666	g_depth = visual_info->depth;
1667	g_compatible_arch = !g_host_be;
1668	g_no_translate_image = (visual_info->depth == g_server_depth);
1669	if (g_no_translate_image)
1670	/* We found the best visual */
1671	break;
1672	}
1673	else
1674	{
1675	g_compatible_arch = False;
1676	}
1677
1678	if (visual_info->depth > 24)
1679	{
1680	/* Avoid 32-bit visuals and likes like the plague.
1681	They're either untested or proven to work bad
1682	(e.g. nvidia's Composite 32-bit visual).
1683	Most implementation offer a 24-bit visual anyway. */
1684	continue;
1685	}
1686
1687	/* Only care for visuals, for whose BPPs (not depths!)
1688	we have a translateXtoY function. */
1689	for (j = 0; j < pixmap_formats_count; ++j)
1690	{
1691	if (pfm[j].depth == visual_info->depth)
1692	{
1693	if ((pfm[j].bits_per_pixel == 16) \|\|
1694	(pfm[j].bits_per_pixel == 24) \|\|
1695	(pfm[j].bits_per_pixel == 32))
1696	{
1697	can_translate_to_bpp = True;
1698	}
1699	break;
1700	}
1701	}
1702
1703	/* Prefer formats which have the most colour depth.
1704	We're being truly aristocratic here, minding each
1705	weight on its own. */
1706	if (can_translate_to_bpp)
1707	{
1708	unsigned vis_red_weight =
1709	calculate_mask_weight(visual_info->red_mask);
1710	unsigned vis_green_weight =
1711	calculate_mask_weight(visual_info->green_mask);
1712	unsigned vis_blue_weight =
1713	calculate_mask_weight(visual_info->blue_mask);
1714	if ((vis_red_weight >= red_weight)
1715	&& (vis_green_weight >= green_weight)
1716	&& (vis_blue_weight >= blue_weight))
1717	{
1718	red_weight = vis_red_weight;
1719	green_weight = vis_green_weight;
1720	blue_weight = vis_blue_weight;
1721	g_visual = visual_info->visual;
1722	g_depth = visual_info->depth;
1723	}
1724	}
1725	}
1726	XFree(vmatches);
1727	}
1728
1729	if (g_visual != NULL)
1730	{
1731	g_owncolmap = False;
1732	calculate_shifts(g_visual->red_mask, &g_red_shift_r, &g_red_shift_l);
1733	calculate_shifts(g_visual->green_mask, &g_green_shift_r, &g_green_shift_l);
1734	calculate_shifts(g_visual->blue_mask, &g_blue_shift_r, &g_blue_shift_l);
1735	}
1736	else
1737	{
1738	template.class = PseudoColor;
1739	template.depth = 8;
1740	template.colormap_size = 256;
1741	vmatches =
1742	XGetVisualInfo(g_display,
1743	VisualClassMask \| VisualDepthMask \| VisualColormapSizeMask,
1744	&template, &visuals_count);
1745	if (vmatches == NULL)
1746	{
1747	error("No usable TrueColor or PseudoColor visuals on this display.\n");
1748	XCloseDisplay(g_display);
1749	XFree(pfm);
1750	return False;
1751	}
1752
1753	/* we use a colourmap, so the default visual should do */
1754	g_owncolmap = True;
1755	g_visual = vmatches[0].visual;
1756	g_depth = vmatches[0].depth;
1757	}
1758
1759	g_bpp = 0;
1760	for (i = 0; i < pixmap_formats_count; ++i)
1761	{
1762	XPixmapFormatValues *pf = &pfm[i];
1763	if (pf->depth == g_depth)
1764	{
1765	g_bpp = pf->bits_per_pixel;
1766
1767	if (g_no_translate_image)
1768	{
1769	switch (g_server_depth)
1770	{
1771	case 15:
1772	case 16:
1773	if (g_bpp != 16)
1774	g_no_translate_image = False;
1775	break;
1776	case 24:
1777	/* Yes, this will force image translation
1778	on most modern servers which use 32 bits
1779	for R8G8B8. */
1780	if (g_bpp != 24)
1781	g_no_translate_image = False;
1782	break;
1783	default:
1784	g_no_translate_image = False;
1785	break;
1786	}
1787	}
1788
1789	/* Pixmap formats list is a depth-to-bpp mapping --
1790	there's just a single entry for every depth,
1791	so we can safely break here */
1792	break;
1793	}
1794	}
1795	XFree(pfm);
1796	pfm = NULL;
1797	return True;
1798	}
1799
1800	static XErrorHandler g_old_error_handler;
1801	static RD_BOOL g_error_expected = False;
1802
1803	/* Check if the X11 window corresponding to a seamless window with
1804	specified id exists. */
1805	RD_BOOL
1806	sw_window_exists(unsigned long id)
1807	{
1808	seamless_window *sw;
1809	char *name;
1810	Status sts = 0;
1811
1812	sw = sw_get_window_by_id(id);
1813	if (!sw)
1814	return False;
1815
1816	g_error_expected = True;
1817	sts = XFetchName(g_display, sw->wnd, &name);
1818	g_error_expected = False;
1819	if (sts)
1820	{
1821	XFree(name);
1822	}
1823
1824	return sts;
1825	}
1826
1827	static int
1828	error_handler(Display * dpy, XErrorEvent * eev)
1829	{
1830	if (g_error_expected)
1831	return 0;
1832
1833	return g_old_error_handler(dpy, eev);
1834	}
1835
1836	/* Initialize the UI. This is done once per process. */
1837	RD_BOOL
1838	ui_init(void)
1839	{
1840	int screen_num;
1841
1842	g_display = XOpenDisplay(NULL);
1843	if (g_display == NULL)
1844	{
1845	error("Failed to open display: %s\n", XDisplayName(NULL));
1846	return False;
1847	}
1848
1849	{
1850	uint16 endianess_test = 1;
1851	g_host_be = !(RD_BOOL) ((uint8 ) (&endianess_test));
1852	}
1853
1854	g_old_error_handler = XSetErrorHandler(error_handler);
1855	g_xserver_be = (ImageByteOrder(g_display) == MSBFirst);
1856	screen_num = DefaultScreen(g_display);
1857	g_x_socket = ConnectionNumber(g_display);
1858	g_screen = ScreenOfDisplay(g_display, screen_num);
1859	g_depth = DefaultDepthOfScreen(g_screen);
1860
1861	if (!select_visual(screen_num))
1862	return False;
1863
1864	if (g_no_translate_image)
1865	{
1866	DEBUG(("Performance optimization possible: avoiding image translation (colour depth conversion).\n"));
1867	}
1868
1869	if (g_server_depth > g_bpp)
1870	{
1871	warning("Remote desktop colour depth %d higher than display colour depth %d.\n",
1872	g_server_depth, g_bpp);
1873	}
1874
1875	DEBUG(("RDP depth: %d, display depth: %d, display bpp: %d, X server BE: %d, host BE: %d\n",
1876	g_server_depth, g_depth, g_bpp, g_xserver_be, g_host_be));
1877
1878	if (!g_owncolmap)
1879	{
1880	g_xcolmap =
1881	XCreateColormap(g_display, RootWindowOfScreen(g_screen), g_visual,
1882	AllocNone);
1883	if (g_depth <= 8)
1884	warning("Display colour depth is %d bit: you may want to use -C for a private colourmap.\n", g_depth);
1885	}
1886
1887	if ((!g_ownbackstore) && (DoesBackingStore(g_screen) != Always))
1888	{
1889	warning("External BackingStore not available. Using internal.\n");
1890	g_ownbackstore = True;
1891	}
1892
1893	g_mod_map = XGetModifierMapping(g_display);
1894	xwin_refresh_pointer_map();
1895
1896	xkeymap_init();
1897
1898	if (g_enable_compose)
1899	g_IM = XOpenIM(g_display, NULL, NULL, NULL);
1900
1901	xclip_init();
1902	ewmh_init();
1903	if (g_seamless_rdp)
1904	{
1905	seamless_init();
1906	}
1907
1908	DEBUG_RDP5(("server bpp %d client bpp %d depth %d\n", g_server_depth, g_bpp, g_depth));
1909
1910	return True;
1911	}
1912
1913
1914	/*
1915	Initialize connection specific data, such as session size.
1916	*/
1917	void
1918	ui_init_connection(void)
1919	{
1920	/*
1921	* Determine desktop size
1922	*/
1923	if (g_fullscreen)
1924	{
1925	g_width = WidthOfScreen(g_screen);
1926	g_height = HeightOfScreen(g_screen);
1927	g_using_full_workarea = True;
1928	}
1929	else if (g_sizeopt < 0)
1930	{
1931	/* Percent of screen */
1932	if (-g_sizeopt >= 100)
1933	g_using_full_workarea = True;
1934	g_height = HeightOfScreen(g_screen) * (-g_sizeopt) / 100;
1935	g_width = WidthOfScreen(g_screen) * (-g_sizeopt) / 100;
1936	}
1937	else if (g_sizeopt == 1)
1938	{
1939	/* Fetch geometry from _NET_WORKAREA */
1940	uint32 x, y, cx, cy;
1941	if (get_current_workarea(&x, &y, &cx, &cy) == 0)
1942	{
1943	g_width = cx;
1944	g_height = cy;
1945	g_using_full_workarea = True;
1946	}
1947	else
1948	{
1949	warning("Failed to get workarea: probably your window manager does not support extended hints\n");
1950	g_width = WidthOfScreen(g_screen);
1951	g_height = HeightOfScreen(g_screen);
1952	}
1953	}
1954
1955	/* make sure width is a multiple of 4 */
1956	g_width = (g_width + 3) & ~3;
1957	}
1958
1959
1960	void
1961	ui_deinit(void)
1962	{
1963	xclip_deinit();
1964
1965	if (g_IM != NULL)
1966	XCloseIM(g_IM);
1967
1968	if (g_null_cursor != NULL)
1969	ui_destroy_cursor(g_null_cursor);
1970
1971	XFreeModifiermap(g_mod_map);
1972
1973	XFreeGC(g_display, g_gc);
1974	XCloseDisplay(g_display);
1975	g_display = NULL;
1976	}
1977
1978
1979	static void
1980	get_window_attribs(XSetWindowAttributes * attribs)
1981	{
1982	attribs->background_pixel = BlackPixelOfScreen(g_screen);
1983	attribs->border_pixel = WhitePixelOfScreen(g_screen);
1984	attribs->backing_store = g_ownbackstore ? NotUseful : Always;
1985	attribs->override_redirect = g_fullscreen;
1986	attribs->colormap = g_xcolmap;
1987	}
1988
1989	static void
1990	get_input_mask(long *input_mask)
1991	{
1992	*input_mask = KeyPressMask \| KeyReleaseMask \| ButtonPressMask \| ButtonReleaseMask \|
1993	VisibilityChangeMask \| FocusChangeMask \| StructureNotifyMask;
1994
1995	if (g_sendmotion)
1996	*input_mask \|= PointerMotionMask;
1997	if (g_ownbackstore)
1998	*input_mask \|= ExposureMask;
1999	if (g_fullscreen \|\| g_grab_keyboard)
2000	*input_mask \|= EnterWindowMask;
2001	if (g_grab_keyboard)
2002	*input_mask \|= LeaveWindowMask;
2003	}
2004
2005	RD_BOOL
2006	ui_create_window(void)
2007	{
2008	uint8 null_pointer_mask[1] = { 0x80 };
2009	uint8 null_pointer_data[24] = { 0x00 };
2010
2011	XSetWindowAttributes attribs;
2012	XClassHint *classhints;
2013	XSizeHints *sizehints;
2014	int wndwidth, wndheight;
2015	long input_mask, ic_input_mask;
2016	XEvent xevent;
2017
2018	wndwidth = g_fullscreen ? WidthOfScreen(g_screen) : g_width;
2019	wndheight = g_fullscreen ? HeightOfScreen(g_screen) : g_height;
2020
2021	/* Handle -x-y portion of geometry string */
2022	if (g_xpos < 0 \|\| (g_xpos == 0 && (g_pos & 2)))
2023	g_xpos = WidthOfScreen(g_screen) + g_xpos - g_width;
2024	if (g_ypos < 0 \|\| (g_ypos == 0 && (g_pos & 4)))
2025	g_ypos = HeightOfScreen(g_screen) + g_ypos - g_height;
2026
2027	get_window_attribs(&attribs);
2028
2029	g_wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), g_xpos, g_ypos, wndwidth,
2030	wndheight, 0, g_depth, InputOutput, g_visual,
2031	CWBackPixel \| CWBackingStore \| CWOverrideRedirect \| CWColormap \|
2032	CWBorderPixel, &attribs);
2033
2034	if (g_gc == NULL)
2035	{
2036	g_gc = XCreateGC(g_display, g_wnd, 0, NULL);
2037	ui_reset_clip();
2038	}
2039
2040	if (g_create_bitmap_gc == NULL)
2041	g_create_bitmap_gc = XCreateGC(g_display, g_wnd, 0, NULL);
2042
2043	if ((g_ownbackstore) && (g_backstore == 0))
2044	{
2045	g_backstore = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth);
2046
2047	/* clear to prevent rubbish being exposed at startup */
2048	XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen));
2049	XFillRectangle(g_display, g_backstore, g_gc, 0, 0, g_width, g_height);
2050	}
2051
2052	XStoreName(g_display, g_wnd, g_title);
2053	ewmh_set_wm_name(g_wnd, g_title);
2054
2055	if (g_hide_decorations)
2056	mwm_hide_decorations(g_wnd);
2057
2058	classhints = XAllocClassHint();
2059	if (classhints != NULL)
2060	{
2061	classhints->res_name = classhints->res_class = "rdesktop";
2062	XSetClassHint(g_display, g_wnd, classhints);
2063	XFree(classhints);
2064	}
2065
2066	sizehints = XAllocSizeHints();
2067	if (sizehints)
2068	{
2069	sizehints->flags = PMinSize \| PMaxSize;
2070	if (g_pos)
2071	sizehints->flags \|= PPosition;
2072	sizehints->min_width = sizehints->max_width = g_width;
2073	sizehints->min_height = sizehints->max_height = g_height;
2074	XSetWMNormalHints(g_display, g_wnd, sizehints);
2075	XFree(sizehints);
2076	}
2077
2078	if (g_embed_wnd)
2079	{
2080	XReparentWindow(g_display, g_wnd, (Window) g_embed_wnd, 0, 0);
2081	}
2082
2083	get_input_mask(&input_mask);
2084
2085	if (g_IM != NULL)
2086	{
2087	g_IC = XCreateIC(g_IM, XNInputStyle, (XIMPreeditNothing \| XIMStatusNothing),
2088	XNClientWindow, g_wnd, XNFocusWindow, g_wnd, NULL);
2089
2090	if ((g_IC != NULL)
2091	&& (XGetICValues(g_IC, XNFilterEvents, &ic_input_mask, NULL) == NULL))
2092	input_mask \|= ic_input_mask;
2093	}
2094
2095	XSelectInput(g_display, g_wnd, input_mask);
2096	#ifdef HAVE_XRANDR
2097	XSelectInput(g_display, RootWindowOfScreen(g_screen), StructureNotifyMask);
2098	#endif
2099	XMapWindow(g_display, g_wnd);
2100
2101	/* wait for VisibilityNotify */
2102	do
2103	{
2104	XMaskEvent(g_display, VisibilityChangeMask, &xevent);
2105	}
2106	while (xevent.type != VisibilityNotify);
2107	g_Unobscured = xevent.xvisibility.state == VisibilityUnobscured;
2108
2109	g_focused = False;
2110	g_mouse_in_wnd = False;
2111
2112	/* handle the WM_DELETE_WINDOW protocol */
2113	g_protocol_atom = XInternAtom(g_display, "WM_PROTOCOLS", True);
2114	g_kill_atom = XInternAtom(g_display, "WM_DELETE_WINDOW", True);
2115	XSetWMProtocols(g_display, g_wnd, &g_kill_atom, 1);
2116
2117	/* create invisible 1x1 cursor to be used as null cursor */
2118	if (g_null_cursor == NULL)
2119	g_null_cursor =
2120	ui_create_cursor(0, 0, 1, 1, null_pointer_mask, null_pointer_data, 24);
2121
2122	if (g_seamless_rdp)
2123	{
2124	seamless_restack_test();
2125	}
2126
2127	return True;
2128	}
2129
2130	void
2131	ui_resize_window()
2132	{
2133	XSizeHints *sizehints;
2134	Pixmap bs;
2135
2136	sizehints = XAllocSizeHints();
2137	if (sizehints)
2138	{
2139	sizehints->flags = PMinSize \| PMaxSize;
2140	sizehints->min_width = sizehints->max_width = g_width;
2141	sizehints->min_height = sizehints->max_height = g_height;
2142	XSetWMNormalHints(g_display, g_wnd, sizehints);
2143	XFree(sizehints);
2144	}
2145
2146	if (!(g_fullscreen \|\| g_embed_wnd))
2147	{
2148	XResizeWindow(g_display, g_wnd, g_width, g_height);
2149	}
2150
2151	/* create new backstore pixmap */
2152	if (g_backstore != 0)
2153	{
2154	bs = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth);
2155	XSetForeground(g_display, g_gc, BlackPixelOfScreen(g_screen));
2156	XFillRectangle(g_display, bs, g_gc, 0, 0, g_width, g_height);
2157	XCopyArea(g_display, g_backstore, bs, g_gc, 0, 0, g_width, g_height, 0, 0);
2158	XFreePixmap(g_display, g_backstore);
2159	g_backstore = bs;
2160	}
2161	}
2162
2163	void
2164	ui_destroy_window(void)
2165	{
2166	if (g_IC != NULL)
2167	XDestroyIC(g_IC);
2168
2169	XDestroyWindow(g_display, g_wnd);
2170	g_wnd = 0;
2171
2172	if (g_backstore)
2173	{
2174	XFreePixmap(g_display, g_backstore);
2175	g_backstore = 0;
2176	}
2177	}
2178
2179	void
2180	xwin_toggle_fullscreen(void)
2181	{
2182	Pixmap contents = 0;
2183
2184	if (g_seamless_active)
2185	/* Turn off SeamlessRDP mode */
2186	ui_seamless_toggle();
2187
2188	if (!g_ownbackstore)
2189	{
2190	/* need to save contents of window */
2191	contents = XCreatePixmap(g_display, g_wnd, g_width, g_height, g_depth);
2192	XCopyArea(g_display, g_wnd, contents, g_gc, 0, 0, g_width, g_height, 0, 0);
2193	}
2194
2195	ui_destroy_window();
2196	g_fullscreen = !g_fullscreen;
2197	ui_create_window();
2198
2199	XDefineCursor(g_display, g_wnd, g_current_cursor);
2200
2201	if (!g_ownbackstore)
2202	{
2203	XCopyArea(g_display, contents, g_wnd, g_gc, 0, 0, g_width, g_height, 0, 0);
2204	XFreePixmap(g_display, contents);
2205	}
2206	}
2207
2208	static void
2209	handle_button_event(XEvent xevent, RD_BOOL down)
2210	{
2211	uint16 button, flags = 0;
2212	g_last_gesturetime = xevent.xbutton.time;
2213	/* Reverse the pointer button mapping, e.g. in the case of
2214	"left-handed mouse mode"; the RDP session expects to
2215	receive physical buttons (true in mstsc as well) and
2216	logical button behavior depends on the remote desktop's own
2217	mouse settings */
2218	xevent.xbutton.button = g_pointer_log_to_phys_map[xevent.xbutton.button - 1];
2219	button = xkeymap_translate_button(xevent.xbutton.button);
2220	if (button == 0)
2221	return;
2222
2223	if (down)
2224	flags = MOUSE_FLAG_DOWN;
2225
2226	/* Stop moving window when button is released, regardless of cursor position */
2227	if (g_moving_wnd && (xevent.type == ButtonRelease))
2228	g_moving_wnd = False;
2229
2230	/* If win_button_size is nonzero, enable single app mode */
2231	if (xevent.xbutton.y < g_win_button_size)
2232	{
2233	/* Check from right to left: */
2234	if (xevent.xbutton.x >= g_width - g_win_button_size)
2235	{
2236	/* The close button, continue */
2237	;
2238	}
2239	else if (xevent.xbutton.x >= g_width - g_win_button_size * 2)
2240	{
2241	/* The maximize/restore button. Do not send to
2242	server. It might be a good idea to change the
2243	cursor or give some other visible indication
2244	that rdesktop inhibited this click */
2245	if (xevent.type == ButtonPress)
2246	return;
2247	}
2248	else if (xevent.xbutton.x >= g_width - g_win_button_size * 3)
2249	{
2250	/* The minimize button. Iconify window. */
2251	if (xevent.type == ButtonRelease)
2252	{
2253	/* Release the mouse button outside the minimize button, to prevent the
2254	actual minimazation to happen */
2255	rdp_send_input(time(NULL), RDP_INPUT_MOUSE, button, 1, 1);
2256	XIconifyWindow(g_display, g_wnd, DefaultScreen(g_display));
2257	return;
2258	}
2259	}
2260	else if (xevent.xbutton.x <= g_win_button_size)
2261	{
2262	/* The system menu. Ignore. */
2263	if (xevent.type == ButtonPress)
2264	return;
2265	}
2266	else
2267	{
2268	/* The title bar. */
2269	if (xevent.type == ButtonPress)
2270	{
2271	if (!g_fullscreen && g_hide_decorations && !g_using_full_workarea)
2272	{
2273	g_moving_wnd = True;
2274	g_move_x_offset = xevent.xbutton.x;
2275	g_move_y_offset = xevent.xbutton.y;
2276	}
2277	return;
2278	}
2279	}
2280	}
2281
2282	if (xevent.xmotion.window == g_wnd)
2283	{
2284	rdp_send_input(time(NULL), RDP_INPUT_MOUSE,
2285	flags \| button, xevent.xbutton.x, xevent.xbutton.y);
2286	}
2287	else
2288	{
2289	/* SeamlessRDP */
2290	rdp_send_input(time(NULL), RDP_INPUT_MOUSE,
2291	flags \| button, xevent.xbutton.x_root, xevent.xbutton.y_root);
2292	}
2293	}
2294
2295
2296	/* Process events in Xlib queue
2297	Returns 0 after user quit, 1 otherwise */
2298	static int
2299	xwin_process_events(void)
2300	{
2301	XEvent xevent;
2302	KeySym keysym;
2303	uint32 ev_time;
2304	char str[256];
2305	Status status;
2306	int events = 0;
2307	seamless_window *sw;
2308
2309	while ((XPending(g_display) > 0) && events++ < 20)
2310	{
2311	XNextEvent(g_display, &xevent);
2312
2313	if (!g_wnd)
2314	/* Ignore events between ui_destroy_window and ui_create_window */
2315	continue;
2316
2317	/* Also ignore root window events except ConfigureNotify */
2318	if (xevent.type != ConfigureNotify
2319	&& xevent.xany.window == DefaultRootWindow(g_display))
2320	continue;
2321
2322	if ((g_IC != NULL) && (XFilterEvent(&xevent, None) == True))
2323	{
2324	DEBUG_KBD(("Filtering event\n"));
2325	continue;
2326	}
2327
2328	switch (xevent.type)
2329	{
2330	case VisibilityNotify:
2331	if (xevent.xvisibility.window == g_wnd)
2332	g_Unobscured =
2333	xevent.xvisibility.state == VisibilityUnobscured;
2334
2335	break;
2336	case ClientMessage:
2337	/* the window manager told us to quit */
2338	if ((xevent.xclient.message_type == g_protocol_atom)
2339	&& ((Atom) xevent.xclient.data.l[0] == g_kill_atom))
2340	{
2341	/* When killing a seamless window, close the window on the
2342	serverside instead of terminating rdesktop */
2343	sw = sw_get_window_by_wnd(xevent.xclient.window);
2344	if (!sw)
2345	/* Otherwise, quit */
2346	return 0;
2347	/* send seamless destroy process message */
2348	seamless_send_destroy(sw->id);
2349	}
2350	break;
2351
2352	case KeyPress:
2353	g_last_gesturetime = xevent.xkey.time;
2354	if (g_IC != NULL)
2355	/* Multi_key compatible version */
2356	{
2357	XmbLookupString(g_IC,
2358	&xevent.xkey, str, sizeof(str), &keysym,
2359	&status);
2360	if (!((status == XLookupKeySym) \|\| (status == XLookupBoth)))
2361	{
2362	error("XmbLookupString failed with status 0x%x\n",
2363	status);
2364	break;
2365	}
2366	}
2367	else
2368	{
2369	/* Plain old XLookupString */
2370	DEBUG_KBD(("\nNo input context, using XLookupString\n"));
2371	XLookupString((XKeyEvent *) & xevent,
2372	str, sizeof(str), &keysym, NULL);
2373	}
2374
2375	DEBUG_KBD(("KeyPress for keysym (0x%lx, %s)\n", keysym,
2376	get_ksname(keysym)));
2377
2378	set_keypress_keysym(xevent.xkey.keycode, keysym);
2379	ev_time = time(NULL);
2380	if (handle_special_keys(keysym, xevent.xkey.state, ev_time, True))
2381	break;
2382
2383	xkeymap_send_keys(keysym, xevent.xkey.keycode, xevent.xkey.state,
2384	ev_time, True, 0);
2385	break;
2386
2387	case KeyRelease:
2388	g_last_gesturetime = xevent.xkey.time;
2389	XLookupString((XKeyEvent *) & xevent, str,
2390	sizeof(str), &keysym, NULL);
2391
2392	DEBUG_KBD(("\nKeyRelease for keysym (0x%lx, %s)\n", keysym,
2393	get_ksname(keysym)));
2394
2395	keysym = reset_keypress_keysym(xevent.xkey.keycode, keysym);
2396	ev_time = time(NULL);
2397	if (handle_special_keys(keysym, xevent.xkey.state, ev_time, False))
2398	break;
2399
2400	xkeymap_send_keys(keysym, xevent.xkey.keycode, xevent.xkey.state,
2401	ev_time, False, 0);
2402	break;
2403
2404	case ButtonPress:
2405	handle_button_event(xevent, True);
2406	break;
2407
2408	case ButtonRelease:
2409	handle_button_event(xevent, False);
2410	break;
2411
2412	case MotionNotify:
2413	if (g_moving_wnd)
2414	{
2415	XMoveWindow(g_display, g_wnd,
2416	xevent.xmotion.x_root - g_move_x_offset,
2417	xevent.xmotion.y_root - g_move_y_offset);
2418	break;
2419	}
2420
2421	if (g_fullscreen && !g_focused)
2422	XSetInputFocus(g_display, g_wnd, RevertToPointerRoot,
2423	CurrentTime);
2424
2425	if (xevent.xmotion.window == g_wnd)
2426	{
2427	rdp_send_input(time(NULL), RDP_INPUT_MOUSE, MOUSE_FLAG_MOVE,
2428	xevent.xmotion.x, xevent.xmotion.y);
2429	}
2430	else
2431	{
2432	/* SeamlessRDP */
2433	rdp_send_input(time(NULL), RDP_INPUT_MOUSE, MOUSE_FLAG_MOVE,
2434	xevent.xmotion.x_root,
2435	xevent.xmotion.y_root);
2436	}
2437	break;
2438
2439	case FocusIn:
2440	if (xevent.xfocus.mode == NotifyGrab)
2441	break;
2442	g_focused = True;
2443	reset_modifier_keys();
2444	if (g_grab_keyboard && g_mouse_in_wnd)
2445	XGrabKeyboard(g_display, g_wnd, True,
2446	GrabModeAsync, GrabModeAsync, CurrentTime);
2447
2448	sw = sw_get_window_by_wnd(xevent.xfocus.window);
2449	if (!sw)
2450	break;
2451
2452	/* Menu windows are real X11 windows,
2453	with focus. When such a window is
2454	destroyed, focus is reverted to the
2455	main application window, which
2456	would cause us to send FOCUS. This
2457	breaks window switching in, say,
2458	Seamonkey. We shouldn't need to
2459	send FOCUS: Windows should also
2460	revert focus to some other window
2461	when the menu window is
2462	destroyed. So, we only send FOCUS
2463	if the previous focus window still
2464	exists. */
2465	if (sw->id != g_seamless_focused)
2466	{
2467
2468	if (sw_window_exists(g_seamless_focused))
2469	seamless_send_focus(sw->id, 0);
2470	g_seamless_focused = sw->id;
2471	}
2472	break;
2473
2474	case FocusOut:
2475	if (xevent.xfocus.mode == NotifyUngrab)
2476	break;
2477	g_focused = False;
2478	if (xevent.xfocus.mode == NotifyWhileGrabbed)
2479	XUngrabKeyboard(g_display, CurrentTime);
2480	break;
2481
2482	case EnterNotify:
2483	/* we only register for this event when in fullscreen mode */
2484	/* or grab_keyboard */
2485	g_mouse_in_wnd = True;
2486	if (g_fullscreen)
2487	{
2488	XSetInputFocus(g_display, g_wnd, RevertToPointerRoot,
2489	CurrentTime);
2490	break;
2491	}
2492	if (g_focused)
2493	XGrabKeyboard(g_display, g_wnd, True,
2494	GrabModeAsync, GrabModeAsync, CurrentTime);
2495	break;
2496
2497	case LeaveNotify:
2498	/* we only register for this event when grab_keyboard */
2499	g_mouse_in_wnd = False;
2500	XUngrabKeyboard(g_display, CurrentTime);
2501	/* VirtualBox code begin */
2502	if (g_fullscreen)
2503	{
2504	/* If mouse pointer is outside the fullscreen client window,
2505	* release it to let the client on the other screen to continue
2506	* with the mouse processing.
2507	*/
2508	XUngrabPointer(g_display, CurrentTime);
2509	}
2510	/* VirtualBox code end */
2511	break;
2512
2513	case Expose:
2514	if (xevent.xexpose.window == g_wnd)
2515	{
2516	XCopyArea(g_display, g_backstore, xevent.xexpose.window,
2517	g_gc,
2518	xevent.xexpose.x, xevent.xexpose.y,
2519	xevent.xexpose.width, xevent.xexpose.height,
2520	xevent.xexpose.x, xevent.xexpose.y);
2521	}
2522	else
2523	{
2524	sw = sw_get_window_by_wnd(xevent.xexpose.window);
2525	if (!sw)
2526	break;
2527	XCopyArea(g_display, g_backstore,
2528	xevent.xexpose.window, g_gc,
2529	xevent.xexpose.x + sw->xoffset,
2530	xevent.xexpose.y + sw->yoffset,
2531	xevent.xexpose.width,
2532	xevent.xexpose.height, xevent.xexpose.x,
2533	xevent.xexpose.y);
2534	}
2535
2536	break;
2537
2538	case MappingNotify:
2539	/* Refresh keyboard mapping if it has changed. This is important for
2540	Xvnc, since it allocates keycodes dynamically */
2541	if (xevent.xmapping.request == MappingKeyboard
2542	\|\| xevent.xmapping.request == MappingModifier)
2543	XRefreshKeyboardMapping(&xevent.xmapping);
2544
2545	if (xevent.xmapping.request == MappingModifier)
2546	{
2547	XFreeModifiermap(g_mod_map);
2548	g_mod_map = XGetModifierMapping(g_display);
2549	}
2550
2551	if (xevent.xmapping.request == MappingPointer)
2552	{
2553	xwin_refresh_pointer_map();
2554	}
2555
2556	break;
2557
2558	/* clipboard stuff */
2559	case SelectionNotify:
2560	xclip_handle_SelectionNotify(&xevent.xselection);
2561	break;
2562	case SelectionRequest:
2563	xclip_handle_SelectionRequest(&xevent.xselectionrequest);
2564	break;
2565	case SelectionClear:
2566	xclip_handle_SelectionClear();
2567	break;
2568	case PropertyNotify:
2569	xclip_handle_PropertyNotify(&xevent.xproperty);
2570	if (xevent.xproperty.window == g_wnd)
2571	break;
2572	if (xevent.xproperty.window == DefaultRootWindow(g_display))
2573	break;
2574
2575	/* seamless */
2576	sw = sw_get_window_by_wnd(xevent.xproperty.window);
2577	if (!sw)
2578	break;
2579
2580	if ((xevent.xproperty.atom == g_net_wm_state_atom)
2581	&& (xevent.xproperty.state == PropertyNewValue))
2582	{
2583	sw->state = ewmh_get_window_state(sw->wnd);
2584	seamless_send_state(sw->id, sw->state, 0);
2585	}
2586
2587	if ((xevent.xproperty.atom == g_net_wm_desktop_atom)
2588	&& (xevent.xproperty.state == PropertyNewValue))
2589	{
2590	sw->desktop = ewmh_get_window_desktop(sw->wnd);
2591	sw_all_to_desktop(sw->wnd, sw->desktop);
2592	}
2593
2594	break;
2595	case MapNotify:
2596	if (!g_seamless_active)
2597	rdp_send_client_window_status(1);
2598	break;
2599	case UnmapNotify:
2600	if (!g_seamless_active)
2601	rdp_send_client_window_status(0);
2602	break;
2603	case ConfigureNotify:
2604	#ifdef HAVE_XRANDR
2605	if ((g_sizeopt \|\| g_fullscreen)
2606	&& xevent.xconfigure.window == DefaultRootWindow(g_display))
2607	{
2608	if (xevent.xconfigure.width != WidthOfScreen(g_screen)
2609	\|\| xevent.xconfigure.height != HeightOfScreen(g_screen))
2610	{
2611	XRRUpdateConfiguration(&xevent);
2612	XSync(g_display, False);
2613	g_pending_resize = True;
2614	}
2615
2616	}
2617	#endif
2618	if (!g_seamless_active)
2619	break;
2620
2621	sw = sw_get_window_by_wnd(xevent.xconfigure.window);
2622	if (!sw)
2623	break;
2624
2625	gettimeofday(sw->position_timer, NULL);
2626	if (sw->position_timer->tv_usec + SEAMLESSRDP_POSITION_TIMER >=
2627	1000000)
2628	{
2629	sw->position_timer->tv_usec +=
2630	SEAMLESSRDP_POSITION_TIMER - 1000000;
2631	sw->position_timer->tv_sec += 1;
2632	}
2633	else
2634	{
2635	sw->position_timer->tv_usec += SEAMLESSRDP_POSITION_TIMER;
2636	}
2637
2638	sw_handle_restack(sw);
2639	break;
2640	}
2641	}
2642	/* Keep going */
2643	return 1;
2644	}
2645
2646	/* Returns 0 after user quit, 1 otherwise */
2647	int
2648	ui_select(int rdp_socket)
2649	{
2650	int n;
2651	fd_set rfds, wfds;
2652	struct timeval tv;
2653	RD_BOOL s_timeout = False;
2654
2655	while (True)
2656	{
2657	n = (rdp_socket > g_x_socket) ? rdp_socket : g_x_socket;
2658	/* Process any events already waiting */
2659	if (!xwin_process_events())
2660	/* User quit */
2661	return 0;
2662
2663	if (g_seamless_active)
2664	sw_check_timers();
2665
2666	FD_ZERO(&rfds);
2667	FD_ZERO(&wfds);
2668	FD_SET(rdp_socket, &rfds);
2669	FD_SET(g_x_socket, &rfds);
2670
2671	/* default timeout */
2672	tv.tv_sec = 60;
2673	tv.tv_usec = 0;
2674
2675	#ifdef WITH_RDPSND
2676	rdpsnd_add_fds(&n, &rfds, &wfds, &tv);
2677	#endif
2678
2679	#ifdef WITH_RDPUSB
2680	rdpusb_add_fds (&n, &rfds, &wfds);
2681	#endif
2682
2683	/* add redirection handles */
2684	rdpdr_add_fds(&n, &rfds, &wfds, &tv, &s_timeout);
2685	seamless_select_timeout(&tv);
2686
2687	n++;
2688
2689	switch (select(n, &rfds, &wfds, NULL, &tv))
2690	{
2691	case -1:
2692	error("select: %s\n", strerror(errno));
2693
2694	case 0:
2695	#ifdef WITH_RDPSND
2696	rdpsnd_check_fds(&rfds, &wfds);
2697	#endif
2698
2699	/* Abort serial read calls */
2700	if (s_timeout)
2701	rdpdr_check_fds(&rfds, &wfds, (RD_BOOL) True);
2702	continue;
2703	}
2704
2705	#ifdef WITH_RDPUSB
2706	rdpusb_check_fds (&rfds, &wfds);
2707	#endif
2708
2709	#ifdef WITH_RDPSND
2710	rdpsnd_check_fds(&rfds, &wfds);
2711	#endif
2712
2713	rdpdr_check_fds(&rfds, &wfds, (RD_BOOL) False);
2714
2715	if (FD_ISSET(rdp_socket, &rfds))
2716	return 1;
2717
2718	}
2719	}
2720
2721	void
2722	ui_move_pointer(int x, int y)
2723	{
2724	XWarpPointer(g_display, g_wnd, g_wnd, 0, 0, 0, 0, x, y);
2725	}
2726
2727	RD_HBITMAP
2728	ui_create_bitmap(int width, int height, uint8 * data)
2729	{
2730	XImage *image;
2731	Pixmap bitmap;
2732	uint8 *tdata;
2733	int bitmap_pad;
2734
2735	if (g_server_depth == 8)
2736	{
2737	bitmap_pad = 8;
2738	}
2739	else
2740	{
2741	bitmap_pad = g_bpp;
2742
2743	if (g_bpp == 24)
2744	bitmap_pad = 32;
2745	}
2746
2747	tdata = (g_owncolmap ? data : translate_image(width, height, data));
2748	bitmap = XCreatePixmap(g_display, g_wnd, width, height, g_depth);
2749	image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0,
2750	(char *) tdata, width, height, bitmap_pad, 0);
2751
2752	XPutImage(g_display, bitmap, g_create_bitmap_gc, image, 0, 0, 0, 0, width, height);
2753
2754	XFree(image);
2755	if (tdata != data)
2756	xfree(tdata);
2757	return (RD_HBITMAP) bitmap;
2758	}
2759
2760	void
2761	ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data)
2762	{
2763	XImage *image;
2764	uint8 *tdata;
2765	int bitmap_pad;
2766
2767	if (g_server_depth == 8)
2768	{
2769	bitmap_pad = 8;
2770	}
2771	else
2772	{
2773	bitmap_pad = g_bpp;
2774
2775	if (g_bpp == 24)
2776	bitmap_pad = 32;
2777	}
2778
2779	tdata = (g_owncolmap ? data : translate_image(width, height, data));
2780	image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0,
2781	(char *) tdata, width, height, bitmap_pad, 0);
2782
2783	if (g_ownbackstore)
2784	{
2785	XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy);
2786	XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y);
2787	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
2788	(g_display, g_backstore, sw->wnd, g_gc, x, y, cx, cy,
2789	x - sw->xoffset, y - sw->yoffset));
2790	}
2791	else
2792	{
2793	XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy);
2794	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
2795	(g_display, g_wnd, sw->wnd, g_gc, x, y, cx, cy,
2796	x - sw->xoffset, y - sw->yoffset));
2797	}
2798
2799	XFree(image);
2800	if (tdata != data)
2801	xfree(tdata);
2802	}
2803
2804	void
2805	ui_destroy_bitmap(RD_HBITMAP bmp)
2806	{
2807	XFreePixmap(g_display, (Pixmap) bmp);
2808	}
2809
2810	RD_HGLYPH
2811	ui_create_glyph(int width, int height, uint8 * data)
2812	{
2813	XImage *image;
2814	Pixmap bitmap;
2815	int scanline;
2816
2817	scanline = (width + 7) / 8;
2818
2819	bitmap = XCreatePixmap(g_display, g_wnd, width, height, 1);
2820	if (g_create_glyph_gc == 0)
2821	g_create_glyph_gc = XCreateGC(g_display, bitmap, 0, NULL);
2822
2823	image = XCreateImage(g_display, g_visual, 1, ZPixmap, 0, (char *) data,
2824	width, height, 8, scanline);
2825	image->byte_order = MSBFirst;
2826	image->bitmap_bit_order = MSBFirst;
2827	XInitImage(image);
2828
2829	XPutImage(g_display, bitmap, g_create_glyph_gc, image, 0, 0, 0, 0, width, height);
2830
2831	XFree(image);
2832	return (RD_HGLYPH) bitmap;
2833	}
2834
2835	void
2836	ui_destroy_glyph(RD_HGLYPH glyph)
2837	{
2838	XFreePixmap(g_display, (Pixmap) glyph);
2839	}
2840
2841	/* convert next pixel to 32 bpp */
2842	static int
2843	get_next_xor_pixel(uint8 * xormask, int bpp, int *k)
2844	{
2845	int rv = 0;
2846	PixelColour pc;
2847	uint8 *s8;
2848	uint16 *s16;
2849
2850	switch (bpp)
2851	{
2852	case 1:
2853	s8 = xormask + (*k) / 8;
2854	rv = (s8) & (0x80 >> ((k) % 8));
2855	rv = rv ? 0xffffff : 0;
2856	(*k) += 1;
2857	break;
2858	case 8:
2859	s8 = xormask + *k;
2860	/* should use colour map */
2861	rv = s8[0];
2862	rv = rv ? 0xffffff : 0;
2863	(*k) += 1;
2864	break;
2865	case 15:
2866	s16 = (uint16 *) xormask;
2867	SPLITCOLOUR15(s16[*k], pc);
2868	rv = (pc.red << 16) \| (pc.green << 8) \| pc.blue;
2869	(*k) += 1;
2870	break;
2871	case 16:
2872	s16 = (uint16 *) xormask;
2873	SPLITCOLOUR16(s16[*k], pc);
2874	rv = (pc.red << 16) \| (pc.green << 8) \| pc.blue;
2875	(*k) += 1;
2876	break;
2877	case 24:
2878	s8 = xormask + *k;
2879	rv = (s8[0] << 16) \| (s8[1] << 8) \| s8[2];
2880	(*k) += 3;
2881	break;
2882	case 32:
2883	s8 = xormask + *k;
2884	rv = (s8[1] << 16) \| (s8[2] << 8) \| s8[3];
2885	(*k) += 4;
2886	break;
2887	default:
2888	error("unknown bpp in get_next_xor_pixel %d\n", bpp);
2889	break;
2890	}
2891	return rv;
2892	}
2893
2894	RD_HCURSOR
2895	ui_create_cursor(unsigned int x, unsigned int y, int width, int height,
2896	uint8 * andmask, uint8 * xormask, int bpp)
2897	{
2898	RD_HGLYPH maskglyph, cursorglyph;
2899	XColor bg, fg;
2900	Cursor xcursor;
2901	uint8 cursor, pcursor;
2902	uint8 mask, pmask;
2903	uint8 nextbit;
2904	int scanline, offset, delta;
2905	int i, j, k;
2906
2907	k = 0;
2908	scanline = (width + 7) / 8;
2909	offset = scanline * height;
2910
2911	cursor = (uint8 *) xmalloc(offset);
2912	memset(cursor, 0, offset);
2913
2914	mask = (uint8 *) xmalloc(offset);
2915	memset(mask, 0, offset);
2916	if (bpp == 1)
2917	{
2918	offset = 0;
2919	delta = scanline;
2920	}
2921	else
2922	{
2923	offset = scanline * height - scanline;
2924	delta = -scanline;
2925	}
2926	/* approximate AND and XOR masks with a monochrome X pointer */
2927	for (i = 0; i < height; i++)
2928	{
2929	pcursor = &cursor[offset];
2930	pmask = &mask[offset];
2931
2932	for (j = 0; j < scanline; j++)
2933	{
2934	for (nextbit = 0x80; nextbit != 0; nextbit >>= 1)
2935	{
2936	if (get_next_xor_pixel(xormask, bpp, &k))
2937	{
2938	pcursor \|= (~(andmask) & nextbit);
2939	*pmask \|= nextbit;
2940	}
2941	else
2942	{
2943	pcursor \|= ((andmask) & nextbit);
2944	pmask \|= (~(andmask) & nextbit);
2945	}
2946	}
2947
2948	andmask++;
2949	pcursor++;
2950	pmask++;
2951	}
2952	offset += delta;
2953	}
2954
2955	fg.red = fg.blue = fg.green = 0xffff;
2956	bg.red = bg.blue = bg.green = 0x0000;
2957	fg.flags = bg.flags = DoRed \| DoBlue \| DoGreen;
2958
2959	cursorglyph = ui_create_glyph(width, height, cursor);
2960	maskglyph = ui_create_glyph(width, height, mask);
2961
2962	xcursor =
2963	XCreatePixmapCursor(g_display, (Pixmap) cursorglyph,
2964	(Pixmap) maskglyph, &fg, &bg, x, y);
2965
2966	ui_destroy_glyph(maskglyph);
2967	ui_destroy_glyph(cursorglyph);
2968	xfree(mask);
2969	xfree(cursor);
2970	return (RD_HCURSOR) xcursor;
2971	}
2972
2973	void
2974	ui_set_cursor(RD_HCURSOR cursor)
2975	{
2976	g_current_cursor = (Cursor) cursor;
2977	XDefineCursor(g_display, g_wnd, g_current_cursor);
2978	ON_ALL_SEAMLESS_WINDOWS(XDefineCursor, (g_display, sw->wnd, g_current_cursor));
2979	}
2980
2981	void
2982	ui_destroy_cursor(RD_HCURSOR cursor)
2983	{
2984	XFreeCursor(g_display, (Cursor) cursor);
2985	}
2986
2987	void
2988	ui_set_null_cursor(void)
2989	{
2990	ui_set_cursor(g_null_cursor);
2991	}
2992
2993	#define MAKE_XCOLOR(xc,c) \
2994	(xc)->red = ((c)->red << 8) \| (c)->red; \
2995	(xc)->green = ((c)->green << 8) \| (c)->green; \
2996	(xc)->blue = ((c)->blue << 8) \| (c)->blue; \
2997	(xc)->flags = DoRed \| DoGreen \| DoBlue;
2998
2999
3000	RD_HCOLOURMAP
3001	ui_create_colourmap(COLOURMAP * colours)
3002	{
3003	COLOURENTRY *entry;
3004	int i, ncolours = colours->ncolours;
3005	if (!g_owncolmap)
3006	{
3007	uint32 map = (uint32 ) xmalloc(sizeof(g_colmap) ncolours);
3008	XColor xentry;
3009	XColor xc_cache[256];
3010	uint32 colour;
3011	int colLookup = 256;
3012	for (i = 0; i < ncolours; i++)
3013	{
3014	entry = &colours->colours[i];
3015	MAKE_XCOLOR(&xentry, entry);
3016
3017	if (XAllocColor(g_display, g_xcolmap, &xentry) == 0)
3018	{
3019	/* Allocation failed, find closest match. */
3020	int j = 256;
3021	int nMinDist = 3 * 256 * 256;
3022	long nDist = nMinDist;
3023
3024	/* only get the colors once */
3025	while (colLookup--)
3026	{
3027	xc_cache[colLookup].pixel = colLookup;
3028	xc_cache[colLookup].red = xc_cache[colLookup].green =
3029	xc_cache[colLookup].blue = 0;
3030	xc_cache[colLookup].flags = 0;
3031	XQueryColor(g_display,
3032	DefaultColormap(g_display,
3033	DefaultScreen(g_display)),
3034	&xc_cache[colLookup]);
3035	}
3036	colLookup = 0;
3037
3038	/* approximate the pixel */
3039	while (j--)
3040	{
3041	if (xc_cache[j].flags)
3042	{
3043	nDist = ((long) (xc_cache[j].red >> 8) -
3044	(long) (xentry.red >> 8)) *
3045	((long) (xc_cache[j].red >> 8) -
3046	(long) (xentry.red >> 8)) +
3047	((long) (xc_cache[j].green >> 8) -
3048	(long) (xentry.green >> 8)) *
3049	((long) (xc_cache[j].green >> 8) -
3050	(long) (xentry.green >> 8)) +
3051	((long) (xc_cache[j].blue >> 8) -
3052	(long) (xentry.blue >> 8)) *
3053	((long) (xc_cache[j].blue >> 8) -
3054	(long) (xentry.blue >> 8));
3055	}
3056	if (nDist < nMinDist)
3057	{
3058	nMinDist = nDist;
3059	xentry.pixel = j;
3060	}
3061	}
3062	}
3063	colour = xentry.pixel;
3064
3065	/* update our cache */
3066	if (xentry.pixel < 256)
3067	{
3068	xc_cache[xentry.pixel].red = xentry.red;
3069	xc_cache[xentry.pixel].green = xentry.green;
3070	xc_cache[xentry.pixel].blue = xentry.blue;
3071
3072	}
3073
3074	map[i] = colour;
3075	}
3076	return map;
3077	}
3078	else
3079	{
3080	XColor xcolours, xentry;
3081	Colormap map;
3082
3083	xcolours = (XColor ) xmalloc(sizeof(XColor) ncolours);
3084	for (i = 0; i < ncolours; i++)
3085	{
3086	entry = &colours->colours[i];
3087	xentry = &xcolours[i];
3088	xentry->pixel = i;
3089	MAKE_XCOLOR(xentry, entry);
3090	}
3091
3092	map = XCreateColormap(g_display, g_wnd, g_visual, AllocAll);
3093	XStoreColors(g_display, map, xcolours, ncolours);
3094
3095	xfree(xcolours);
3096	return (RD_HCOLOURMAP) map;
3097	}
3098	}
3099
3100	void
3101	ui_destroy_colourmap(RD_HCOLOURMAP map)
3102	{
3103	if (!g_owncolmap)
3104	xfree(map);
3105	else
3106	XFreeColormap(g_display, (Colormap) map);
3107	}
3108
3109	void
3110	ui_set_colourmap(RD_HCOLOURMAP map)
3111	{
3112	if (!g_owncolmap)
3113	{
3114	if (g_colmap)
3115	xfree(g_colmap);
3116
3117	g_colmap = (uint32 *) map;
3118	}
3119	else
3120	{
3121	XSetWindowColormap(g_display, g_wnd, (Colormap) map);
3122	ON_ALL_SEAMLESS_WINDOWS(XSetWindowColormap, (g_display, sw->wnd, (Colormap) map));
3123	}
3124	}
3125
3126	void
3127	ui_set_clip(int x, int y, int cx, int cy)
3128	{
3129	g_clip_rectangle.x = x;
3130	g_clip_rectangle.y = y;
3131	g_clip_rectangle.width = cx;
3132	g_clip_rectangle.height = cy;
3133	XSetClipRectangles(g_display, g_gc, 0, 0, &g_clip_rectangle, 1, YXBanded);
3134	}
3135
3136	void
3137	ui_reset_clip(void)
3138	{
3139	g_clip_rectangle.x = 0;
3140	g_clip_rectangle.y = 0;
3141	g_clip_rectangle.width = g_width;
3142	g_clip_rectangle.height = g_height;
3143	XSetClipRectangles(g_display, g_gc, 0, 0, &g_clip_rectangle, 1, YXBanded);
3144	}
3145
3146	void
3147	ui_bell(void)
3148	{
3149	XBell(g_display, 0);
3150	}
3151
3152	void
3153	ui_destblt(uint8 opcode,
3154	/* dest */ int x, int y, int cx, int cy)
3155	{
3156	SET_FUNCTION(opcode);
3157	FILL_RECTANGLE(x, y, cx, cy);
3158	RESET_FUNCTION(opcode);
3159	}
3160
3161	static uint8 hatch_patterns[] = {
3162	0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, /* 0 - bsHorizontal */
3163	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, /* 1 - bsVertical */
3164	0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, /* 2 - bsFDiagonal */
3165	0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, /* 3 - bsBDiagonal */
3166	0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08, /* 4 - bsCross */
3167	0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 /* 5 - bsDiagCross */
3168	};
3169
3170	void
3171	ui_patblt(uint8 opcode,
3172	/* dest */ int x, int y, int cx, int cy,
3173	/* brush / BRUSH brush, int bgcolour, int fgcolour)
3174	{
3175	Pixmap fill;
3176	uint8 i, ipattern[8];
3177
3178	SET_FUNCTION(opcode);
3179
3180	switch (brush->style)
3181	{
3182	case 0: /* Solid */
3183	SET_FOREGROUND(fgcolour);
3184	FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
3185	break;
3186
3187	case 2: /* Hatch */
3188	fill = (Pixmap) ui_create_glyph(8, 8,
3189	hatch_patterns + brush->pattern[0] * 8);
3190	SET_FOREGROUND(fgcolour);
3191	SET_BACKGROUND(bgcolour);
3192	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3193	XSetStipple(g_display, g_gc, fill);
3194	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3195	FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
3196	XSetFillStyle(g_display, g_gc, FillSolid);
3197	XSetTSOrigin(g_display, g_gc, 0, 0);
3198	ui_destroy_glyph((RD_HGLYPH) fill);
3199	break;
3200
3201	case 3: /* Pattern */
3202	if (brush->bd == 0) /* rdp4 brush */
3203	{
3204	for (i = 0; i != 8; i++)
3205	ipattern[7 - i] = brush->pattern[i];
3206	fill = (Pixmap) ui_create_glyph(8, 8, ipattern);
3207	SET_FOREGROUND(bgcolour);
3208	SET_BACKGROUND(fgcolour);
3209	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3210	XSetStipple(g_display, g_gc, fill);
3211	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3212	FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
3213	XSetFillStyle(g_display, g_gc, FillSolid);
3214	XSetTSOrigin(g_display, g_gc, 0, 0);
3215	ui_destroy_glyph((RD_HGLYPH) fill);
3216	}
3217	else if (brush->bd->colour_code > 1) /* > 1 bpp */
3218	{
3219	fill = (Pixmap) ui_create_bitmap(8, 8, brush->bd->data);
3220	XSetFillStyle(g_display, g_gc, FillTiled);
3221	XSetTile(g_display, g_gc, fill);
3222	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3223	FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
3224	XSetFillStyle(g_display, g_gc, FillSolid);
3225	XSetTSOrigin(g_display, g_gc, 0, 0);
3226	ui_destroy_bitmap((RD_HBITMAP) fill);
3227	}
3228	else
3229	{
3230	fill = (Pixmap) ui_create_glyph(8, 8, brush->bd->data);
3231	SET_FOREGROUND(bgcolour);
3232	SET_BACKGROUND(fgcolour);
3233	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3234	XSetStipple(g_display, g_gc, fill);
3235	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3236	FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
3237	XSetFillStyle(g_display, g_gc, FillSolid);
3238	XSetTSOrigin(g_display, g_gc, 0, 0);
3239	ui_destroy_glyph((RD_HGLYPH) fill);
3240	}
3241	break;
3242
3243	default:
3244	unimpl("brush %d\n", brush->style);
3245	}
3246
3247	RESET_FUNCTION(opcode);
3248
3249	if (g_ownbackstore)
3250	XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y);
3251	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
3252	(g_display, g_ownbackstore ? g_backstore : g_wnd, sw->wnd, g_gc,
3253	x, y, cx, cy, x - sw->xoffset, y - sw->yoffset));
3254	}
3255
3256	void
3257	ui_screenblt(uint8 opcode,
3258	/* dest */ int x, int y, int cx, int cy,
3259	/* src */ int srcx, int srcy)
3260	{
3261	SET_FUNCTION(opcode);
3262	if (g_ownbackstore)
3263	{
3264	XCopyArea(g_display, g_Unobscured ? g_wnd : g_backstore,
3265	g_wnd, g_gc, srcx, srcy, cx, cy, x, y);
3266	XCopyArea(g_display, g_backstore, g_backstore, g_gc, srcx, srcy, cx, cy, x, y);
3267	}
3268	else
3269	{
3270	XCopyArea(g_display, g_wnd, g_wnd, g_gc, srcx, srcy, cx, cy, x, y);
3271	}
3272
3273	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
3274	(g_display, g_ownbackstore ? g_backstore : g_wnd,
3275	sw->wnd, g_gc, x, y, cx, cy, x - sw->xoffset, y - sw->yoffset));
3276
3277	RESET_FUNCTION(opcode);
3278	}
3279
3280	void
3281	ui_memblt(uint8 opcode,
3282	/* dest */ int x, int y, int cx, int cy,
3283	/* src */ RD_HBITMAP src, int srcx, int srcy)
3284	{
3285	SET_FUNCTION(opcode);
3286	XCopyArea(g_display, (Pixmap) src, g_wnd, g_gc, srcx, srcy, cx, cy, x, y);
3287	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
3288	(g_display, (Pixmap) src, sw->wnd, g_gc,
3289	srcx, srcy, cx, cy, x - sw->xoffset, y - sw->yoffset));
3290	if (g_ownbackstore)
3291	XCopyArea(g_display, (Pixmap) src, g_backstore, g_gc, srcx, srcy, cx, cy, x, y);
3292	RESET_FUNCTION(opcode);
3293	}
3294
3295	void
3296	ui_triblt(uint8 opcode,
3297	/* dest */ int x, int y, int cx, int cy,
3298	/* src */ RD_HBITMAP src, int srcx, int srcy,
3299	/* brush / BRUSH brush, int bgcolour, int fgcolour)
3300	{
3301	/* This is potentially difficult to do in general. Until someone
3302	comes up with a more efficient way of doing it I am using cases. */
3303
3304	switch (opcode)
3305	{
3306	case 0x69: /* PDSxxn */
3307	ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy);
3308	ui_patblt(ROP2_NXOR, x, y, cx, cy, brush, bgcolour, fgcolour);
3309	break;
3310
3311	case 0xb8: /* PSDPxax */
3312	ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour);
3313	ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy);
3314	ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour);
3315	break;
3316
3317	case 0xc0: /* PSa */
3318	ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy);
3319	ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour);
3320	break;
3321
3322	default:
3323	unimpl("triblt 0x%x\n", opcode);
3324	ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy);
3325	}
3326	}
3327
3328	void
3329	ui_line(uint8 opcode,
3330	/* dest */ int startx, int starty, int endx, int endy,
3331	/* pen / PEN pen)
3332	{
3333	SET_FUNCTION(opcode);
3334	SET_FOREGROUND(pen->colour);
3335	XDrawLine(g_display, g_wnd, g_gc, startx, starty, endx, endy);
3336	ON_ALL_SEAMLESS_WINDOWS(XDrawLine, (g_display, sw->wnd, g_gc,
3337	startx - sw->xoffset, starty - sw->yoffset,
3338	endx - sw->xoffset, endy - sw->yoffset));
3339	if (g_ownbackstore)
3340	XDrawLine(g_display, g_backstore, g_gc, startx, starty, endx, endy);
3341	RESET_FUNCTION(opcode);
3342	}
3343
3344	void
3345	ui_rect(
3346	/* dest */ int x, int y, int cx, int cy,
3347	/* brush */ int colour)
3348	{
3349	SET_FOREGROUND(colour);
3350	FILL_RECTANGLE(x, y, cx, cy);
3351	}
3352
3353	void
3354	ui_polygon(uint8 opcode,
3355	/* mode */ uint8 fillmode,
3356	/* dest / RD_POINT point, int npoints,
3357	/* brush / BRUSH brush, int bgcolour, int fgcolour)
3358	{
3359	uint8 style, i, ipattern[8];
3360	Pixmap fill;
3361
3362	SET_FUNCTION(opcode);
3363
3364	switch (fillmode)
3365	{
3366	case ALTERNATE:
3367	XSetFillRule(g_display, g_gc, EvenOddRule);
3368	break;
3369	case WINDING:
3370	XSetFillRule(g_display, g_gc, WindingRule);
3371	break;
3372	default:
3373	unimpl("fill mode %d\n", fillmode);
3374	}
3375
3376	if (brush)
3377	style = brush->style;
3378	else
3379	style = 0;
3380
3381	switch (style)
3382	{
3383	case 0: /* Solid */
3384	SET_FOREGROUND(fgcolour);
3385	FILL_POLYGON((XPoint *) point, npoints);
3386	break;
3387
3388	case 2: /* Hatch */
3389	fill = (Pixmap) ui_create_glyph(8, 8,
3390	hatch_patterns + brush->pattern[0] * 8);
3391	SET_FOREGROUND(fgcolour);
3392	SET_BACKGROUND(bgcolour);
3393	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3394	XSetStipple(g_display, g_gc, fill);
3395	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3396	FILL_POLYGON((XPoint *) point, npoints);
3397	XSetFillStyle(g_display, g_gc, FillSolid);
3398	XSetTSOrigin(g_display, g_gc, 0, 0);
3399	ui_destroy_glyph((RD_HGLYPH) fill);
3400	break;
3401
3402	case 3: /* Pattern */
3403	if (brush->bd == 0) /* rdp4 brush */
3404	{
3405	for (i = 0; i != 8; i++)
3406	ipattern[7 - i] = brush->pattern[i];
3407	fill = (Pixmap) ui_create_glyph(8, 8, ipattern);
3408	SET_FOREGROUND(bgcolour);
3409	SET_BACKGROUND(fgcolour);
3410	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3411	XSetStipple(g_display, g_gc, fill);
3412	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3413	FILL_POLYGON((XPoint *) point, npoints);
3414	XSetFillStyle(g_display, g_gc, FillSolid);
3415	XSetTSOrigin(g_display, g_gc, 0, 0);
3416	ui_destroy_glyph((RD_HGLYPH) fill);
3417	}
3418	else if (brush->bd->colour_code > 1) /* > 1 bpp */
3419	{
3420	fill = (Pixmap) ui_create_bitmap(8, 8, brush->bd->data);
3421	XSetFillStyle(g_display, g_gc, FillTiled);
3422	XSetTile(g_display, g_gc, fill);
3423	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3424	FILL_POLYGON((XPoint *) point, npoints);
3425	XSetFillStyle(g_display, g_gc, FillSolid);
3426	XSetTSOrigin(g_display, g_gc, 0, 0);
3427	ui_destroy_bitmap((RD_HBITMAP) fill);
3428	}
3429	else
3430	{
3431	fill = (Pixmap) ui_create_glyph(8, 8, brush->bd->data);
3432	SET_FOREGROUND(bgcolour);
3433	SET_BACKGROUND(fgcolour);
3434	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3435	XSetStipple(g_display, g_gc, fill);
3436	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3437	FILL_POLYGON((XPoint *) point, npoints);
3438	XSetFillStyle(g_display, g_gc, FillSolid);
3439	XSetTSOrigin(g_display, g_gc, 0, 0);
3440	ui_destroy_glyph((RD_HGLYPH) fill);
3441	}
3442	break;
3443
3444	default:
3445	unimpl("brush %d\n", brush->style);
3446	}
3447
3448	RESET_FUNCTION(opcode);
3449	}
3450
3451	void
3452	ui_polyline(uint8 opcode,
3453	/* dest / RD_POINT points, int npoints,
3454	/* pen / PEN pen)
3455	{
3456	/* TODO: set join style */
3457	SET_FUNCTION(opcode);
3458	SET_FOREGROUND(pen->colour);
3459	XDrawLines(g_display, g_wnd, g_gc, (XPoint *) points, npoints, CoordModePrevious);
3460	if (g_ownbackstore)
3461	XDrawLines(g_display, g_backstore, g_gc, (XPoint *) points, npoints,
3462	CoordModePrevious);
3463
3464	ON_ALL_SEAMLESS_WINDOWS(seamless_XDrawLines,
3465	(sw->wnd, (XPoint *) points, npoints, sw->xoffset, sw->yoffset));
3466
3467	RESET_FUNCTION(opcode);
3468	}
3469
3470	void
3471	ui_ellipse(uint8 opcode,
3472	/* mode */ uint8 fillmode,
3473	/* dest */ int x, int y, int cx, int cy,
3474	/* brush / BRUSH brush, int bgcolour, int fgcolour)
3475	{
3476	uint8 style, i, ipattern[8];
3477	Pixmap fill;
3478
3479	SET_FUNCTION(opcode);
3480
3481	if (brush)
3482	style = brush->style;
3483	else
3484	style = 0;
3485
3486	switch (style)
3487	{
3488	case 0: /* Solid */
3489	SET_FOREGROUND(fgcolour);
3490	DRAW_ELLIPSE(x, y, cx, cy, fillmode);
3491	break;
3492
3493	case 2: /* Hatch */
3494	fill = (Pixmap) ui_create_glyph(8, 8,
3495	hatch_patterns + brush->pattern[0] * 8);
3496	SET_FOREGROUND(fgcolour);
3497	SET_BACKGROUND(bgcolour);
3498	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3499	XSetStipple(g_display, g_gc, fill);
3500	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3501	DRAW_ELLIPSE(x, y, cx, cy, fillmode);
3502	XSetFillStyle(g_display, g_gc, FillSolid);
3503	XSetTSOrigin(g_display, g_gc, 0, 0);
3504	ui_destroy_glyph((RD_HGLYPH) fill);
3505	break;
3506
3507	case 3: /* Pattern */
3508	if (brush->bd == 0) /* rdp4 brush */
3509	{
3510	for (i = 0; i != 8; i++)
3511	ipattern[7 - i] = brush->pattern[i];
3512	fill = (Pixmap) ui_create_glyph(8, 8, ipattern);
3513	SET_FOREGROUND(bgcolour);
3514	SET_BACKGROUND(fgcolour);
3515	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3516	XSetStipple(g_display, g_gc, fill);
3517	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3518	DRAW_ELLIPSE(x, y, cx, cy, fillmode);
3519	XSetFillStyle(g_display, g_gc, FillSolid);
3520	XSetTSOrigin(g_display, g_gc, 0, 0);
3521	ui_destroy_glyph((RD_HGLYPH) fill);
3522	}
3523	else if (brush->bd->colour_code > 1) /* > 1 bpp */
3524	{
3525	fill = (Pixmap) ui_create_bitmap(8, 8, brush->bd->data);
3526	XSetFillStyle(g_display, g_gc, FillTiled);
3527	XSetTile(g_display, g_gc, fill);
3528	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3529	DRAW_ELLIPSE(x, y, cx, cy, fillmode);
3530	XSetFillStyle(g_display, g_gc, FillSolid);
3531	XSetTSOrigin(g_display, g_gc, 0, 0);
3532	ui_destroy_bitmap((RD_HBITMAP) fill);
3533	}
3534	else
3535	{
3536	fill = (Pixmap) ui_create_glyph(8, 8, brush->bd->data);
3537	SET_FOREGROUND(bgcolour);
3538	SET_BACKGROUND(fgcolour);
3539	XSetFillStyle(g_display, g_gc, FillOpaqueStippled);
3540	XSetStipple(g_display, g_gc, fill);
3541	XSetTSOrigin(g_display, g_gc, brush->xorigin, brush->yorigin);
3542	DRAW_ELLIPSE(x, y, cx, cy, fillmode);
3543	XSetFillStyle(g_display, g_gc, FillSolid);
3544	XSetTSOrigin(g_display, g_gc, 0, 0);
3545	ui_destroy_glyph((RD_HGLYPH) fill);
3546	}
3547	break;
3548
3549	default:
3550	unimpl("brush %d\n", brush->style);
3551	}
3552
3553	RESET_FUNCTION(opcode);
3554	}
3555
3556	/* warning, this function only draws on wnd or backstore, not both */
3557	void
3558	ui_draw_glyph(int mixmode,
3559	/* dest */ int x, int y, int cx, int cy,
3560	/* src */ RD_HGLYPH glyph, int srcx, int srcy,
3561	int bgcolour, int fgcolour)
3562	{
3563	SET_FOREGROUND(fgcolour);
3564	SET_BACKGROUND(bgcolour);
3565
3566	XSetFillStyle(g_display, g_gc,
3567	(mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled);
3568	XSetStipple(g_display, g_gc, (Pixmap) glyph);
3569	XSetTSOrigin(g_display, g_gc, x, y);
3570
3571	FILL_RECTANGLE_BACKSTORE(x, y, cx, cy);
3572
3573	XSetFillStyle(g_display, g_gc, FillSolid);
3574	}
3575
3576	#define DO_GLYPH(ttext,idx) \
3577	{\
3578	glyph = cache_get_font (font, ttext[idx]);\
3579	if (!(flags & TEXT2_IMPLICIT_X))\
3580	{\
3581	xyoffset = ttext[++idx];\
3582	if ((xyoffset & 0x80))\
3583	{\
3584	if (flags & TEXT2_VERTICAL)\
3585	y += ttext[idx+1] \| (ttext[idx+2] << 8);\
3586	else\
3587	x += ttext[idx+1] \| (ttext[idx+2] << 8);\
3588	idx += 2;\
3589	}\
3590	else\
3591	{\
3592	if (flags & TEXT2_VERTICAL)\
3593	y += xyoffset;\
3594	else\
3595	x += xyoffset;\
3596	}\
3597	}\
3598	if (glyph != NULL)\
3599	{\
3600	x1 = x + glyph->offset;\
3601	y1 = y + glyph->baseline;\
3602	XSetStipple(g_display, g_gc, (Pixmap) glyph->pixmap);\
3603	XSetTSOrigin(g_display, g_gc, x1, y1);\
3604	FILL_RECTANGLE_BACKSTORE(x1, y1, glyph->width, glyph->height);\
3605	if (flags & TEXT2_IMPLICIT_X)\
3606	x += glyph->width;\
3607	}\
3608	}
3609
3610	void
3611	ui_draw_text(uint8 font, uint8 flags, uint8 opcode, int mixmode, int x, int y,
3612	int clipx, int clipy, int clipcx, int clipcy,
3613	int boxx, int boxy, int boxcx, int boxcy, BRUSH * brush,
3614	int bgcolour, int fgcolour, uint8 * text, uint8 length)
3615	{
3616	/* TODO: use brush appropriately */
3617
3618	FONTGLYPH *glyph;
3619	int i, j, xyoffset, x1, y1;
3620	DATABLOB *entry;
3621
3622	SET_FOREGROUND(bgcolour);
3623
3624	/* Sometimes, the boxcx value is something really large, like
3625	32691. This makes XCopyArea fail with Xvnc. The code below
3626	is a quick fix. */
3627	if (boxx + boxcx > g_width)
3628	boxcx = g_width - boxx;
3629
3630	if (boxcx > 1)
3631	{
3632	FILL_RECTANGLE_BACKSTORE(boxx, boxy, boxcx, boxcy);
3633	}
3634	else if (mixmode == MIX_OPAQUE)
3635	{
3636	FILL_RECTANGLE_BACKSTORE(clipx, clipy, clipcx, clipcy);
3637	}
3638
3639	SET_FOREGROUND(fgcolour);
3640	SET_BACKGROUND(bgcolour);
3641	XSetFillStyle(g_display, g_gc, FillStippled);
3642
3643	/* Paint text, character by character */
3644	for (i = 0; i < length;)
3645	{
3646	switch (text[i])
3647	{
3648	case 0xff:
3649	/* At least two bytes needs to follow */
3650	if (i + 3 > length)
3651	{
3652	warning("Skipping short 0xff command:");
3653	for (j = 0; j < length; j++)
3654	fprintf(stderr, "%02x ", text[j]);
3655	fprintf(stderr, "\n");
3656	i = length = 0;
3657	break;
3658	}
3659	cache_put_text(text[i + 1], text, text[i + 2]);
3660	i += 3;
3661	length -= i;
3662	/* this will move pointer from start to first character after FF command */
3663	text = &(text[i]);
3664	i = 0;
3665	break;
3666
3667	case 0xfe:
3668	/* At least one byte needs to follow */
3669	if (i + 2 > length)
3670	{
3671	warning("Skipping short 0xfe command:");
3672	for (j = 0; j < length; j++)
3673	fprintf(stderr, "%02x ", text[j]);
3674	fprintf(stderr, "\n");
3675	i = length = 0;
3676	break;
3677	}
3678	entry = cache_get_text(text[i + 1]);
3679	if (entry->data != NULL)
3680	{
3681	if ((((uint8 *) (entry->data))[1] == 0)
3682	&& (!(flags & TEXT2_IMPLICIT_X)) && (i + 2 < length))
3683	{
3684	if (flags & TEXT2_VERTICAL)
3685	y += text[i + 2];
3686	else
3687	x += text[i + 2];
3688	}
3689	for (j = 0; j < entry->size; j++)
3690	DO_GLYPH(((uint8 *) (entry->data)), j);
3691	}
3692	if (i + 2 < length)
3693	i += 3;
3694	else
3695	i += 2;
3696	length -= i;
3697	/* this will move pointer from start to first character after FE command */
3698	text = &(text[i]);
3699	i = 0;
3700	break;
3701
3702	default:
3703	DO_GLYPH(text, i);
3704	i++;
3705	break;
3706	}
3707	}
3708
3709	XSetFillStyle(g_display, g_gc, FillSolid);
3710
3711	if (g_ownbackstore)
3712	{
3713	if (boxcx > 1)
3714	{
3715	XCopyArea(g_display, g_backstore, g_wnd, g_gc, boxx,
3716	boxy, boxcx, boxcy, boxx, boxy);
3717	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
3718	(g_display, g_backstore, sw->wnd, g_gc,
3719	boxx, boxy,
3720	boxcx, boxcy,
3721	boxx - sw->xoffset, boxy - sw->yoffset));
3722	}
3723	else
3724	{
3725	XCopyArea(g_display, g_backstore, g_wnd, g_gc, clipx,
3726	clipy, clipcx, clipcy, clipx, clipy);
3727	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
3728	(g_display, g_backstore, sw->wnd, g_gc,
3729	clipx, clipy,
3730	clipcx, clipcy, clipx - sw->xoffset,
3731	clipy - sw->yoffset));
3732	}
3733	}
3734	}
3735
3736	void
3737	ui_desktop_save(uint32 offset, int x, int y, int cx, int cy)
3738	{
3739	Pixmap pix;
3740	XImage *image;
3741
3742	if (g_ownbackstore)
3743	{
3744	image = XGetImage(g_display, g_backstore, x, y, cx, cy, AllPlanes, ZPixmap);
3745	exit_if_null(image);
3746	}
3747	else
3748	{
3749	pix = XCreatePixmap(g_display, g_wnd, cx, cy, g_depth);
3750	XCopyArea(g_display, g_wnd, pix, g_gc, x, y, cx, cy, 0, 0);
3751	image = XGetImage(g_display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap);
3752	exit_if_null(image);
3753	XFreePixmap(g_display, pix);
3754	}
3755
3756	offset *= g_bpp / 8;
3757	cache_put_desktop(offset, cx, cy, image->bytes_per_line, g_bpp / 8, (uint8 *) image->data);
3758
3759	XDestroyImage(image);
3760	}
3761
3762	void
3763	ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy)
3764	{
3765	XImage *image;
3766	uint8 *data;
3767
3768	offset *= g_bpp / 8;
3769	data = cache_get_desktop(offset, cx, cy, g_bpp / 8);
3770	if (data == NULL)
3771	return;
3772
3773	image = XCreateImage(g_display, g_visual, g_depth, ZPixmap, 0,
3774	(char *) data, cx, cy, g_bpp, 0);
3775
3776	if (g_ownbackstore)
3777	{
3778	XPutImage(g_display, g_backstore, g_gc, image, 0, 0, x, y, cx, cy);
3779	XCopyArea(g_display, g_backstore, g_wnd, g_gc, x, y, cx, cy, x, y);
3780	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
3781	(g_display, g_backstore, sw->wnd, g_gc,
3782	x, y, cx, cy, x - sw->xoffset, y - sw->yoffset));
3783	}
3784	else
3785	{
3786	XPutImage(g_display, g_wnd, g_gc, image, 0, 0, x, y, cx, cy);
3787	ON_ALL_SEAMLESS_WINDOWS(XCopyArea,
3788	(g_display, g_wnd, sw->wnd, g_gc, x, y, cx, cy,
3789	x - sw->xoffset, y - sw->yoffset));
3790	}
3791
3792	XFree(image);
3793	}
3794
3795	/* these do nothing here but are used in uiports */
3796	void
3797	ui_begin_update(void)
3798	{
3799	}
3800
3801	void
3802	ui_end_update(void)
3803	{
3804	XFlush(g_display);
3805	}
3806
3807
3808	void
3809	ui_seamless_begin(RD_BOOL hidden)
3810	{
3811	if (!g_seamless_rdp)
3812	return;
3813
3814	if (g_seamless_started)
3815	return;
3816
3817	g_seamless_started = True;
3818	g_seamless_hidden = hidden;
3819
3820	if (!hidden)
3821	ui_seamless_toggle();
3822	}
3823
3824
3825	void
3826	ui_seamless_end()
3827	{
3828	/* Destroy all seamless windows */
3829	while (g_seamless_windows)
3830	{
3831	XDestroyWindow(g_display, g_seamless_windows->wnd);
3832	sw_remove_window(g_seamless_windows);
3833	}
3834
3835	g_seamless_started = False;
3836	g_seamless_active = False;
3837	g_seamless_hidden = False;
3838	}
3839
3840
3841	void
3842	ui_seamless_hide_desktop()
3843	{
3844	if (!g_seamless_rdp)
3845	return;
3846
3847	if (!g_seamless_started)
3848	return;
3849
3850	if (g_seamless_active)
3851	ui_seamless_toggle();
3852
3853	g_seamless_hidden = True;
3854	}
3855
3856
3857	void
3858	ui_seamless_unhide_desktop()
3859	{
3860	if (!g_seamless_rdp)
3861	return;
3862
3863	if (!g_seamless_started)
3864	return;
3865
3866	g_seamless_hidden = False;
3867
3868	ui_seamless_toggle();
3869	}
3870
3871
3872	void
3873	ui_seamless_toggle()
3874	{
3875	if (!g_seamless_rdp)
3876	return;
3877
3878	if (!g_seamless_started)
3879	return;
3880
3881	if (g_seamless_hidden)
3882	return;
3883
3884	if (g_seamless_active)
3885	{
3886	/* Deactivate */
3887	while (g_seamless_windows)
3888	{
3889	XDestroyWindow(g_display, g_seamless_windows->wnd);
3890	sw_remove_window(g_seamless_windows);
3891	}
3892	XMapWindow(g_display, g_wnd);
3893	}
3894	else
3895	{
3896	/* Activate */
3897	XUnmapWindow(g_display, g_wnd);
3898	seamless_send_sync();
3899	}
3900
3901	g_seamless_active = !g_seamless_active;
3902	}
3903
3904
3905	void
3906	ui_seamless_create_window(unsigned long id, unsigned long group, unsigned long parent,
3907	unsigned long flags)
3908	{
3909	Window wnd;
3910	XSetWindowAttributes attribs;
3911	XClassHint *classhints;
3912	XSizeHints *sizehints;
3913	XWMHints *wmhints;
3914	long input_mask;
3915	seamless_window sw, sw_parent;
3916
3917	if (!g_seamless_active)
3918	return;
3919
3920	/* Ignore CREATEs for existing windows */
3921	sw = sw_get_window_by_id(id);
3922	if (sw)
3923	return;
3924
3925	get_window_attribs(&attribs);
3926	wnd = XCreateWindow(g_display, RootWindowOfScreen(g_screen), -1, -1, 1, 1, 0, g_depth,
3927	InputOutput, g_visual,
3928	CWBackPixel \| CWBackingStore \| CWColormap \| CWBorderPixel, &attribs);
3929
3930	XStoreName(g_display, wnd, "SeamlessRDP");
3931	ewmh_set_wm_name(wnd, "SeamlessRDP");
3932
3933	mwm_hide_decorations(wnd);
3934
3935	classhints = XAllocClassHint();
3936	if (classhints != NULL)
3937	{
3938	classhints->res_name = "rdesktop";
3939	classhints->res_class = "SeamlessRDP";
3940	XSetClassHint(g_display, wnd, classhints);
3941	XFree(classhints);
3942	}
3943
3944	/* WM_NORMAL_HINTS */
3945	sizehints = XAllocSizeHints();
3946	if (sizehints != NULL)
3947	{
3948	sizehints->flags = USPosition;
3949	XSetWMNormalHints(g_display, wnd, sizehints);
3950	XFree(sizehints);
3951	}
3952
3953	/* Parent-less transient windows */
3954	if (parent == 0xFFFFFFFF)
3955	{
3956	XSetTransientForHint(g_display, wnd, RootWindowOfScreen(g_screen));
3957	/* Some buggy wm:s (kwin) do not handle the above, so fake it
3958	using some other hints. */
3959	ewmh_set_window_popup(wnd);
3960	}
3961	/* Normal transient windows */
3962	else if (parent != 0x00000000)
3963	{
3964	sw_parent = sw_get_window_by_id(parent);
3965	if (sw_parent)
3966	XSetTransientForHint(g_display, wnd, sw_parent->wnd);
3967	else
3968	warning("ui_seamless_create_window: No parent window 0x%lx\n", parent);
3969	}
3970
3971	if (flags & SEAMLESSRDP_CREATE_MODAL)
3972	{
3973	/* We do this to support buggy wm:s (cough metacity cough)
3974	somewhat at least */
3975	if (parent == 0x00000000)
3976	XSetTransientForHint(g_display, wnd, RootWindowOfScreen(g_screen));
3977	ewmh_set_window_modal(wnd);
3978	}
3979
3980	if (flags & SEAMLESSRDP_CREATE_TOPMOST)
3981	{
3982	/* Make window always-on-top */
3983	ewmh_set_window_above(wnd);
3984	}
3985
3986	/* FIXME: Support for Input Context:s */
3987
3988	get_input_mask(&input_mask);
3989	input_mask \|= PropertyChangeMask;
3990
3991	XSelectInput(g_display, wnd, input_mask);
3992
3993	/* handle the WM_DELETE_WINDOW protocol. */
3994	XSetWMProtocols(g_display, wnd, &g_kill_atom, 1);
3995
3996	sw = xmalloc(sizeof(seamless_window));
3997
3998	memset(sw, 0, sizeof(seamless_window));
3999
4000	sw->wnd = wnd;
4001	sw->id = id;
4002	sw->group = sw_find_group(group, False);
4003	sw->group->refcnt++;
4004	sw->state = SEAMLESSRDP_NOTYETMAPPED;
4005	sw->desktop = 0;
4006	sw->position_timer = xmalloc(sizeof(struct timeval));
4007	timerclear(sw->position_timer);
4008
4009	sw->outstanding_position = False;
4010	sw->outpos_serial = 0;
4011	sw->outpos_xoffset = sw->outpos_yoffset = 0;
4012	sw->outpos_width = sw->outpos_height = 0;
4013
4014	sw->next = g_seamless_windows;
4015	g_seamless_windows = sw;
4016
4017	/* WM_HINTS */
4018	wmhints = XAllocWMHints();
4019	if (wmhints)
4020	{
4021	wmhints->flags = WindowGroupHint;
4022	wmhints->window_group = sw->group->wnd;
4023	XSetWMHints(g_display, sw->wnd, wmhints);
4024	XFree(wmhints);
4025	}
4026	}
4027
4028
4029	void
4030	ui_seamless_destroy_window(unsigned long id, unsigned long flags)
4031	{
4032	seamless_window *sw;
4033
4034	if (!g_seamless_active)
4035	return;
4036
4037	sw = sw_get_window_by_id(id);
4038	if (!sw)
4039	{
4040	warning("ui_seamless_destroy_window: No information for window 0x%lx\n", id);
4041	return;
4042	}
4043
4044	XDestroyWindow(g_display, sw->wnd);
4045	sw_remove_window(sw);
4046	}
4047
4048
4049	void
4050	ui_seamless_destroy_group(unsigned long id, unsigned long flags)
4051	{
4052	seamless_window sw, sw_next;
4053
4054	if (!g_seamless_active)
4055	return;
4056
4057	for (sw = g_seamless_windows; sw; sw = sw_next)
4058	{
4059	sw_next = sw->next;
4060
4061	if (sw->group->id == id)
4062	{
4063	XDestroyWindow(g_display, sw->wnd);
4064	sw_remove_window(sw);
4065	}
4066	}
4067	}
4068
4069
4070	void
4071	ui_seamless_seticon(unsigned long id, const char *format, int width, int height, int chunk,
4072	const char *data, int chunk_len)
4073	{
4074	seamless_window *sw;
4075
4076	if (!g_seamless_active)
4077	return;
4078
4079	sw = sw_get_window_by_id(id);
4080	if (!sw)
4081	{
4082	warning("ui_seamless_seticon: No information for window 0x%lx\n", id);
4083	return;
4084	}
4085
4086	if (chunk == 0)
4087	{
4088	if (sw->icon_size)
4089	warning("ui_seamless_seticon: New icon started before previous completed\n");
4090
4091	if (strcmp(format, "RGBA") != 0)
4092	{
4093	warning("ui_seamless_seticon: Uknown icon format \"%s\"\n", format);
4094	return;
4095	}
4096
4097	sw->icon_size = width * height * 4;
4098	if (sw->icon_size > 32 * 32 * 4)
4099	{
4100	warning("ui_seamless_seticon: Icon too large (%d bytes)\n", sw->icon_size);
4101	sw->icon_size = 0;
4102	return;
4103	}
4104
4105	sw->icon_offset = 0;
4106	}
4107	else
4108	{
4109	if (!sw->icon_size)
4110	return;
4111	}
4112
4113	if (chunk_len > (sw->icon_size - sw->icon_offset))
4114	{
4115	warning("ui_seamless_seticon: Too large chunk received (%d bytes > %d bytes)\n",
4116	chunk_len, sw->icon_size - sw->icon_offset);
4117	sw->icon_size = 0;
4118	return;
4119	}
4120
4121	memcpy(sw->icon_buffer + sw->icon_offset, data, chunk_len);
4122	sw->icon_offset += chunk_len;
4123
4124	if (sw->icon_offset == sw->icon_size)
4125	{
4126	ewmh_set_icon(sw->wnd, width, height, sw->icon_buffer);
4127	sw->icon_size = 0;
4128	}
4129	}
4130
4131
4132	void
4133	ui_seamless_delicon(unsigned long id, const char *format, int width, int height)
4134	{
4135	seamless_window *sw;
4136
4137	if (!g_seamless_active)
4138	return;
4139
4140	sw = sw_get_window_by_id(id);
4141	if (!sw)
4142	{
4143	warning("ui_seamless_seticon: No information for window 0x%lx\n", id);
4144	return;
4145	}
4146
4147	if (strcmp(format, "RGBA") != 0)
4148	{
4149	warning("ui_seamless_seticon: Uknown icon format \"%s\"\n", format);
4150	return;
4151	}
4152
4153	ewmh_del_icon(sw->wnd, width, height);
4154	}
4155
4156
4157	void
4158	ui_seamless_move_window(unsigned long id, int x, int y, int width, int height, unsigned long flags)
4159	{
4160	seamless_window *sw;
4161
4162	if (!g_seamless_active)
4163	return;
4164
4165	sw = sw_get_window_by_id(id);
4166	if (!sw)
4167	{
4168	warning("ui_seamless_move_window: No information for window 0x%lx\n", id);
4169	return;
4170	}
4171
4172	/* We ignore server updates until it has handled our request. */
4173	if (sw->outstanding_position)
4174	return;
4175
4176	if (!width \|\| !height)
4177	/* X11 windows must be at least 1x1 */
4178	return;
4179
4180	sw->xoffset = x;
4181	sw->yoffset = y;
4182	sw->width = width;
4183	sw->height = height;
4184
4185	/* If we move the window in a maximized state, then KDE won't
4186	accept restoration */
4187	switch (sw->state)
4188	{
4189	case SEAMLESSRDP_MINIMIZED:
4190	case SEAMLESSRDP_MAXIMIZED:
4191	return;
4192	}
4193
4194	/* FIXME: Perhaps use ewmh_net_moveresize_window instead */
4195	XMoveResizeWindow(g_display, sw->wnd, sw->xoffset, sw->yoffset, sw->width, sw->height);
4196	}
4197
4198
4199	void
4200	ui_seamless_restack_window(unsigned long id, unsigned long behind, unsigned long flags)
4201	{
4202	seamless_window *sw;
4203	XWindowChanges values;
4204	unsigned long restack_serial;
4205
4206	if (!g_seamless_active)
4207	return;
4208
4209	sw = sw_get_window_by_id(id);
4210	if (!sw)
4211	{
4212	warning("ui_seamless_restack_window: No information for window 0x%lx\n", id);
4213	return;
4214	}
4215
4216	if (behind)
4217	{
4218	seamless_window *sw_behind;
4219
4220	sw_behind = sw_get_window_by_id(behind);
4221	if (!sw_behind)
4222	{
4223	warning("ui_seamless_restack_window: No information for behind window 0x%lx\n", behind);
4224	return;
4225	}
4226
4227	if (!g_seamless_broken_restack)
4228	{
4229	values.stack_mode = Below;
4230	values.sibling = sw_behind->wnd;
4231	restack_serial = XNextRequest(g_display);
4232	XReconfigureWMWindow(g_display, sw->wnd, DefaultScreen(g_display),
4233	CWStackMode \| CWSibling, &values);
4234	sw_wait_configurenotify(sw->wnd, restack_serial);
4235	}
4236	}
4237	else
4238	{
4239	values.stack_mode = Above;
4240	restack_serial = XNextRequest(g_display);
4241	XReconfigureWMWindow(g_display, sw->wnd, DefaultScreen(g_display), CWStackMode,
4242	&values);
4243	sw_wait_configurenotify(sw->wnd, restack_serial);
4244	}
4245
4246	sw_restack_window(sw, behind);
4247
4248	if (flags & SEAMLESSRDP_CREATE_TOPMOST)
4249	{
4250	/* Make window always-on-top */
4251	ewmh_set_window_above(sw->wnd);
4252	}
4253	}
4254
4255
4256	void
4257	ui_seamless_settitle(unsigned long id, const char *title, unsigned long flags)
4258	{
4259	seamless_window *sw;
4260
4261	if (!g_seamless_active)
4262	return;
4263
4264	sw = sw_get_window_by_id(id);
4265	if (!sw)
4266	{
4267	warning("ui_seamless_settitle: No information for window 0x%lx\n", id);
4268	return;
4269	}
4270
4271	/* FIXME: Might want to convert the name for non-EWMH WMs */
4272	XStoreName(g_display, sw->wnd, title);
4273	ewmh_set_wm_name(sw->wnd, title);
4274	}
4275
4276
4277	void
4278	ui_seamless_setstate(unsigned long id, unsigned int state, unsigned long flags)
4279	{
4280	seamless_window *sw;
4281
4282	if (!g_seamless_active)
4283	return;
4284
4285	sw = sw_get_window_by_id(id);
4286	if (!sw)
4287	{
4288	warning("ui_seamless_setstate: No information for window 0x%lx\n", id);
4289	return;
4290	}
4291
4292	switch (state)
4293	{
4294	case SEAMLESSRDP_NORMAL:
4295	case SEAMLESSRDP_MAXIMIZED:
4296	ewmh_change_state(sw->wnd, state);
4297	XMapWindow(g_display, sw->wnd);
4298	break;
4299	case SEAMLESSRDP_MINIMIZED:
4300	/* EWMH says: "if an Application asks to toggle _NET_WM_STATE_HIDDEN
4301	the Window Manager should probably just ignore the request, since
4302	_NET_WM_STATE_HIDDEN is a function of some other aspect of the window
4303	such as minimization, rather than an independent state." Besides,
4304	XIconifyWindow is easier. */
4305	if (sw->state == SEAMLESSRDP_NOTYETMAPPED)
4306	{
4307	XWMHints *hints;
4308	hints = XGetWMHints(g_display, sw->wnd);
4309	if (hints)
4310	{
4311	hints->flags \|= StateHint;
4312	hints->initial_state = IconicState;
4313	XSetWMHints(g_display, sw->wnd, hints);
4314	XFree(hints);
4315	}
4316	XMapWindow(g_display, sw->wnd);
4317	}
4318	else
4319	XIconifyWindow(g_display, sw->wnd, DefaultScreen(g_display));
4320	break;
4321	default:
4322	warning("SeamlessRDP: Invalid state %d\n", state);
4323	break;
4324	}
4325
4326	sw->state = state;
4327	}
4328
4329
4330	void
4331	ui_seamless_syncbegin(unsigned long flags)
4332	{
4333	if (!g_seamless_active)
4334	return;
4335
4336	/* Destroy all seamless windows */
4337	while (g_seamless_windows)
4338	{
4339	XDestroyWindow(g_display, g_seamless_windows->wnd);
4340	sw_remove_window(g_seamless_windows);
4341	}
4342	}
4343
4344
4345	void
4346	ui_seamless_ack(unsigned int serial)
4347	{
4348	seamless_window *sw;
4349	for (sw = g_seamless_windows; sw; sw = sw->next)
4350	{
4351	if (sw->outstanding_position && (sw->outpos_serial == serial))
4352	{
4353	sw->xoffset = sw->outpos_xoffset;
4354	sw->yoffset = sw->outpos_yoffset;
4355	sw->width = sw->outpos_width;
4356	sw->height = sw->outpos_height;
4357	sw->outstanding_position = False;
4358
4359	/* Do a complete redraw of the window as part of the
4360	completion of the move. This is to remove any
4361	artifacts caused by our lack of synchronization. */
4362	XCopyArea(g_display, g_backstore,
4363	sw->wnd, g_gc,
4364	sw->xoffset, sw->yoffset, sw->width, sw->height, 0, 0);
4365
4366	break;
4367	}
4368	}
4369	}

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source: vbox/trunk/src/VBox/RDP/client/xwin.c@ 49891

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