VBoxFB.cpp@ 93115

Last change on this file since 93115 was 93115, checked in by vboxsync, 3 years ago
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1	/** @file
2	*
3	* VBox frontends: Framebuffer (FB, DirectFB):
4	* main() routine.
5	*
6	* NOTE: this code has not been tested, so expect bugs. It is not part
7	* of a regular VirtualBox build.
8	*/
9
10	/*
11	* Copyright (C) 2006-2022 Oracle Corporation
12	*
13	* This file is part of VirtualBox Open Source Edition (OSE), as
14	* available from http://www.virtualbox.org. This file is free software;
15	* you can redistribute it and/or modify it under the terms of the GNU
16	* General Public License (GPL) as published by the Free Software
17	* Foundation, in version 2 as it comes in the "COPYING" file of the
18	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
19	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
20	*/
21
22	#include "VBoxFB.h"
23	#include "Framebuffer.h"
24	#include <getopt.h>
25	#include <VBox/param.h>
26	#include <iprt/path.h>
27
28	/**
29	* Globals
30	*/
31	uint32_t useFixedVideoMode = 0;
32	int scaleGuest = 0;
33	videoMode fixedVideoMode = {0};
34	int32_t initialVideoMode = -1;
35
36	void showusage()
37	{
38	printf("\nThe following parameters are supported:\n"
39	"--startvm uuid start VM with UUID 'uuid'\n"
40	"--fixedres WxHxBPP always use fixed host resolution\n"
41	"--listhostmodes display list of supported host display modes and exit\n"
42	"--scale scale guest video mode to host video mode\n"
43	"--nodirectblit disable direct blitting, use intermediate framebuffer\n"
44	"--showlabel show VM name on top of the VM display\n");
45	}
46
47	/** entry point */
48	int main(int argc, char *argv[])
49	{
50	const char *uuid = NULL;
51	int c;
52	int listHostModes = 0;
53	int quit = 0;
54	const struct option options[] =
55	{
56	{ "help", no_argument, NULL, 'h' },
57	{ "startvm", required_argument, NULL, 's' },
58	{ "fixedres", required_argument, NULL, 'f' },
59	{ "listhostmodes", no_argument, NULL, 'l' },
60	{ "scale", no_argument, NULL, 'c' }
61	};
62
63	printf("VirtualBox DirectFB GUI built %s %s\n"
64	"(C) 2004-" VBOX_C_YEAR " " VBOX_VENDOR "\n"
65	"(C) 2004-2005 secunet Security Networks AG\n", __DATE__, __TIME__);
66
67	for (;;)
68	{
69	c = getopt_long(argc, argv, "s:", options, NULL);
70	if (c == -1)
71	break;
72	switch (c)
73	{
74	case 'h':
75	{
76	showusage();
77	exit(0);
78	}
79	case 's':
80	{
81	// UUID as string, parse it
82	RTUUID buuid;
83	if (!RT_SUCCESS(RTUuidFromStr((PRTUUID)&buuid, optarg)))
84	{
85	printf("Error, invalid UUID format given!\n");
86	showusage();
87	exit(-1);
88	}
89	uuid = optarg;
90	break;
91	}
92	case 'f':
93	{
94	if (sscanf(optarg, "%ux%ux%u", &fixedVideoMode.width, &fixedVideoMode.height,
95	&fixedVideoMode.bpp) != 3)
96	{
97	printf("Error, invalid resolution argument!\n");
98	showusage();
99	exit(-1);
100	}
101	useFixedVideoMode = 1;
102	break;
103	}
104	case 'l':
105	{
106	listHostModes = 1;
107	break;
108	}
109	case 'c':
110	{
111	scaleGuest = 1;
112	break;
113	}
114	default:
115	break;
116	}
117	}
118
119	// check if we got a UUID
120	if (!uuid)
121	{
122	printf("Error, no UUID given!\n");
123	showusage();
124	exit(-1);
125	}
126
127
128	/**
129	* XPCOM setup
130	*/
131
132	nsresult rc;
133	/*
134	* Note that we scope all nsCOMPtr variables in order to have all XPCOM
135	* objects automatically released before we call NS_ShutdownXPCOM at the
136	* end. This is an XPCOM requirement.
137	*/
138	{
139	nsCOMPtr<nsIServiceManager> serviceManager;
140	rc = NS_InitXPCOM2(getter_AddRefs(serviceManager), nsnull, nsnull);
141	if (NS_FAILED(rc))
142	{
143	printf("Error: XPCOM could not be initialized! rc=0x%x\n", rc);
144	exit(-1);
145	}
146
147	// register our component
148	nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(serviceManager);
149	if (!registrar)
150	{
151	printf("Error: could not query nsIComponentRegistrar interface!\n");
152	exit(-1);
153	}
154	registrar->AutoRegister(nsnull);
155
156	/*
157	* Make sure the main event queue is created. This event queue is
158	* responsible for dispatching incoming XPCOM IPC messages. The main
159	* thread should run this event queue's loop during lengthy non-XPCOM
160	* operations to ensure messages from the VirtualBox server and other
161	* XPCOM IPC clients are processed. This use case doesn't perform such
162	* operations so it doesn't run the event loop.
163	*/
164	nsCOMPtr<nsIEventQueue> eventQ;
165	rc = NS_GetMainEventQ(getter_AddRefs(eventQ));
166	if (NS_FAILED(rc))
167	{
168	printf("Error: could not get main event queue! rc=%08X\n", rc);
169	return -1;
170	}
171
172	/*
173	* Now XPCOM is ready and we can start to do real work.
174	* IVirtualBox is the root interface of VirtualBox and will be
175	* retrieved from the XPCOM component manager. We use the
176	* XPCOM provided smart pointer nsCOMPtr for all objects because
177	* that's very convenient and removes the need deal with reference
178	* counting and freeing.
179	*/
180	nsCOMPtr<nsIComponentManager> manager;
181	rc = NS_GetComponentManager(getter_AddRefs(manager));
182	if (NS_FAILED(rc))
183	{
184	printf("Error: could not get component manager! rc=%08X\n", rc);
185	exit(-1);
186	}
187
188	nsCOMPtr<IVirtualBox> virtualBox;
189	rc = manager->CreateInstanceByContractID(NS_VIRTUALBOX_CONTRACTID,
190	nsnull,
191	NS_GET_IID(IVirtualBox),
192	getter_AddRefs(virtualBox));
193	if (NS_FAILED(rc))
194	{
195	printf("Error, could not instantiate object! rc=0x%x\n", rc);
196	exit(-1);
197	}
198
199	nsCOMPtr<ISession> session;
200	rc = manager->CreateInstance(CLSID_Session,
201	nsnull,
202	NS_GET_IID(ISession),
203	getter_AddRefs(session));
204	if (NS_FAILED(rc))
205	{
206	printf("Error: could not instantiate Session object! rc = %08X\n", rc);
207	exit(-1);
208	}
209
210	// open session for this VM
211	rc = virtualBox->OpenSession(session, NS_ConvertUTF8toUTF16(uuid).get());
212	if (NS_FAILED(rc))
213	{
214	printf("Error: given machine not found!\n");
215	exit(-1);
216	}
217	nsCOMPtr<IMachine> machine;
218	session->GetMachine(getter_AddRefs(machine));
219	if (!machine)
220	{
221	printf("Error: given machine not found!\n");
222	exit(-1);
223	}
224	nsCOMPtr<IConsole> console;
225	session->GetConsole(getter_AddRefs(console));
226	if (!console)
227	{
228	printf("Error: cannot get console!\n");
229	exit(-1);
230	}
231
232	nsCOMPtr<IDisplay> display;
233	console->GetDisplay(getter_AddRefs(display));
234	if (!display)
235	{
236	printf("Error: could not get display object!\n");
237	exit(-1);
238	}
239
240	nsCOMPtr<IKeyboard> keyboard;
241	nsCOMPtr<IMouse> mouse;
242	VBoxDirectFB *frameBuffer = NULL;
243
244	/**
245	* Init DirectFB
246	*/
247	IDirectFB *dfb = NULL;
248	IDirectFBSurface *surface = NULL;
249	IDirectFBInputDevice *dfbKeyboard = NULL;
250	IDirectFBInputDevice *dfbMouse = NULL;
251	IDirectFBEventBuffer *dfbEventBuffer = NULL;
252	DFBSurfaceDescription dsc;
253	int screen_width, screen_height;
254
255	DFBCHECK(DirectFBInit(&argc, &argv));
256	DFBCHECK(DirectFBCreate(&dfb));
257	DFBCHECK(dfb->SetCooperativeLevel(dfb, DFSCL_FULLSCREEN));
258	// populate our structure of supported video modes
259	DFBCHECK(dfb->EnumVideoModes(dfb, enumVideoModesHandler, NULL));
260
261	if (listHostModes)
262	{
263	printf("*****************************************************\n");
264	printf("Number of available host video modes: %u\n", numVideoModes);
265	for (uint32_t i = 0; i < numVideoModes; i++)
266	{
267	printf("Mode %u: xres = %u, yres = %u, bpp = %u\n", i,
268	videoModes[i].width, videoModes[i].height, videoModes[i].bpp);
269	}
270	printf("Note: display modes with bpp < have been filtered out\n");
271	printf("*****************************************************\n");
272	goto Leave;
273	}
274
275	if (useFixedVideoMode)
276	{
277	int32_t bestVideoMode = getBestVideoMode(fixedVideoMode.width,
278	fixedVideoMode.height,
279	fixedVideoMode.bpp);
280	// validate the fixed mode
281	if ((bestVideoMode == -1) \|\|
282	((fixedVideoMode.width != videoModes[bestVideoMode].width) \|\|
283	(fixedVideoMode.height != videoModes[bestVideoMode].height) \|\|
284	(fixedVideoMode.bpp != videoModes[bestVideoMode].bpp)))
285	{
286	printf("Error: the specified fixed video mode is not available!\n");
287	exit(-1);
288	}
289	} else
290	{
291	initialVideoMode = getBestVideoMode(640, 480, 16);
292	if (initialVideoMode == -1)
293	{
294	printf("Error: initial video mode 640x480x16 is not available!\n");
295	exit(-1);
296	}
297	}
298
299	dsc.flags = DSDESC_CAPS;
300	dsc.caps = DSCAPS_PRIMARY;
301	DFBCHECK(dfb->CreateSurface(dfb, &dsc, &surface));
302	DFBCHECK(surface->Clear(surface, 0, 0, 0, 0));
303	DFBCHECK(surface->GetSize(surface, &screen_width, &screen_height));
304	DFBCHECK(dfb->GetInputDevice(dfb, DIDID_KEYBOARD, &dfbKeyboard));
305	DFBCHECK(dfbKeyboard->CreateEventBuffer(dfbKeyboard, &dfbEventBuffer));
306	DFBCHECK(dfb->GetInputDevice(dfb, DIDID_MOUSE, &dfbMouse));
307	DFBCHECK(dfbMouse->AttachEventBuffer(dfbMouse, dfbEventBuffer));
308
309
310	if (useFixedVideoMode)
311	{
312	printf("Information: setting video mode to %ux%ux%u\n", fixedVideoMode.width,
313	fixedVideoMode.height, fixedVideoMode.bpp);
314	DFBCHECK(dfb->SetVideoMode(dfb, fixedVideoMode.width,
315	fixedVideoMode.height, fixedVideoMode.bpp));
316	} else
317	{
318	printf("Information: starting with default video mode %ux%ux%u\n",
319	videoModes[initialVideoMode].width, videoModes[initialVideoMode].height,
320	videoModes[initialVideoMode].bpp);
321	DFBCHECK(dfb->SetVideoMode(dfb, videoModes[initialVideoMode].width,
322	videoModes[initialVideoMode].height,
323	videoModes[initialVideoMode].bpp));
324	}
325
326	// register our framebuffer
327	frameBuffer = new VBoxDirectFB(dfb, surface);
328	display->SetFramebuffer(0, frameBuffer);
329
330	/**
331	* Start the VM execution thread
332	*/
333	console->PowerUp(NULL);
334
335	console->GetKeyboard(getter_AddRefs(keyboard));
336	console->GetMouse(getter_AddRefs(mouse));
337
338	/**
339	* Main event loop
340	*/
341	#define MAX_KEYEVENTS 10
342	PRInt32 keyEvents[MAX_KEYEVENTS];
343	int numKeyEvents;
344
345	while (!quit)
346	{
347	DFBInputEvent event;
348
349	numKeyEvents = 0;
350	DFBCHECK(dfbEventBuffer->WaitForEvent(dfbEventBuffer));
351	while (dfbEventBuffer->GetEvent(dfbEventBuffer, DFB_EVENT(&event)) == DFB_OK)
352	{
353	int mouseXDelta = 0;
354	int mouseYDelta = 0;
355	int mouseZDelta = 0;
356	switch (event.type)
357	{
358	#define QUEUEEXT() keyEvents[numKeyEvents++] = 0xe0
359	#define QUEUEKEY(scan) keyEvents[numKeyEvents++] = scan \| (event.type == DIET_KEYRELEASE ? 0x80 : 0x00)
360	#define QUEUEKEYRAW(scan) keyEvents[numKeyEvents++] = scan
361	case DIET_KEYPRESS:
362	case DIET_KEYRELEASE:
363	{
364	// @@@AH development hack to get out of it!
365	if ((event.key_id == DIKI_ESCAPE) && (event.modifiers & (DIMM_CONTROL \| DIMM_ALT)))
366	quit = 1;
367
368	if (numKeyEvents < MAX_KEYEVENTS)
369	{
370	//printf("%s: key_code: 0x%x\n", event.type == DIET_KEYPRESS ? "DIET_KEYPRESS" : "DIET_KEYRELEASE", event.key_code);
371	switch ((uint32_t)event.key_id)
372	{
373	case DIKI_CONTROL_R:
374	QUEUEEXT();
375	QUEUEKEY(0x1d);
376	break;
377	case DIKI_INSERT:
378	QUEUEEXT();
379	QUEUEKEY(0x52);
380	break;
381	case DIKI_DELETE:
382	QUEUEEXT();
383	QUEUEKEY(0x53);
384	break;
385	case DIKI_HOME:
386	QUEUEEXT();
387	QUEUEKEY(0x47);
388	break;
389	case DIKI_END:
390	QUEUEEXT();
391	QUEUEKEY(0x4f);
392	break;
393	case DIKI_PAGE_UP:
394	QUEUEEXT();
395	QUEUEKEY(0x49);
396	break;
397	case DIKI_PAGE_DOWN:
398	QUEUEEXT();
399	QUEUEKEY(0x51);
400	break;
401	case DIKI_LEFT:
402	QUEUEEXT();
403	QUEUEKEY(0x4b);
404	break;
405	case DIKI_RIGHT:
406	QUEUEEXT();
407	QUEUEKEY(0x4d);
408	break;
409	case DIKI_UP:
410	QUEUEEXT();
411	QUEUEKEY(0x48);
412	break;
413	case DIKI_DOWN:
414	QUEUEEXT();
415	QUEUEKEY(0x50);
416	break;
417	case DIKI_KP_DIV:
418	QUEUEEXT();
419	QUEUEKEY(0x35);
420	break;
421	case DIKI_KP_ENTER:
422	QUEUEEXT();
423	QUEUEKEY(0x1c);
424	break;
425	case DIKI_PRINT:
426	// the break code is inverted!
427	if (event.type == DIET_KEYPRESS)
428	{
429	QUEUEEXT();
430	QUEUEKEY(0x2a);
431	QUEUEEXT();
432	QUEUEKEY(0x37);
433	} else
434	{
435	QUEUEEXT();
436	QUEUEKEY(0x37);
437	QUEUEEXT();
438	QUEUEKEY(0x2a);
439	}
440	break;
441	case DIKI_PAUSE:
442	// This is a super weird key. No break code and a 6 byte
443	// combination.
444	if (event.type == DIET_KEYPRESS)
445	{
446	QUEUEKEY(0xe1);
447	QUEUEKEY(0x1d);
448	QUEUEKEY(0x45);
449	QUEUEKEY(0xe1);
450	QUEUEKEY(0x9d);
451	QUEUEKEY(0xc5);
452	}
453	break;
454	case DIKI_META_L:
455	// the left Windows logo is a bit different
456	if (event.type == DIET_KEYPRESS)
457	{
458	QUEUEEXT();
459	QUEUEKEYRAW(0x1f);
460	} else
461	{
462	QUEUEEXT();
463	QUEUEKEYRAW(0xf0);
464	QUEUEKEYRAW(0x1f);
465	}
466	break;
467	case DIKI_META_R:
468	// the right Windows logo is a bit different
469	if (event.type == DIET_KEYPRESS)
470	{
471	QUEUEEXT();
472	QUEUEKEYRAW(0x27);
473	} else
474	{
475	QUEUEEXT();
476	QUEUEKEYRAW(0xf0);
477	QUEUEKEYRAW(0x27);
478	}
479	break;
480	case DIKI_SUPER_R:
481	// the popup menu is a bit different
482	if (event.type == DIET_KEYPRESS)
483	{
484	QUEUEEXT();
485	QUEUEKEYRAW(0x2f);
486	} else
487	{
488	QUEUEEXT();
489	QUEUEKEYRAW(0xf0);
490	QUEUEKEYRAW(0x2f);
491	}
492	break;
493
494	default:
495	// check if we got a hardware scancode
496	if (event.key_code != -1)
497	{
498	// take the scancode from DirectFB as is
499	QUEUEKEY(event.key_code);
500	} else
501	{
502	// XXX need extra handling!
503	}
504	}
505	}
506	break;
507	}
508	#undef QUEUEEXT
509	#undef QUEUEKEY
510	#undef QUEUEKEYRAW
511
512	case DIET_AXISMOTION:
513	{
514	switch (event.axis)
515	{
516	case DIAI_X:
517	mouseXDelta += event.axisrel;
518	break;
519	case DIAI_Y:
520	mouseYDelta += event.axisrel;
521	break;
522	case DIAI_Z:
523	mouseZDelta += event.axisrel;
524	break;
525	default:
526	break;
527	}
528	// fall through
529	}
530	case DIET_BUTTONPRESS:
531	// fall through;
532	case DIET_BUTTONRELEASE:
533	{
534	int buttonState = 0;
535	if (event.buttons & DIBM_LEFT)
536	buttonState \|= MouseButtonState::LeftButton;
537	if (event.buttons & DIBM_RIGHT)
538	buttonState \|= MouseButtonState::RightButton;
539	if (event.buttons & DIBM_MIDDLE)
540	buttonState \|= MouseButtonState::MiddleButton;
541	mouse->PutMouseEvent(mouseXDelta, mouseYDelta, mouseZDelta,
542	buttonState);
543	break;
544	}
545	default:
546	break;
547	}
548	}
549	// did we get any keyboard events?
550	if (numKeyEvents > 0)
551	{
552	uint32_t codesStored;
553	if (numKeyEvents > 1)
554	{
555	keyboard->PutScancodes(numKeyEvents, keyEvents,
556	&codesStored);
557	} else
558	{
559	keyboard->PutScancode(keyEvents[0]);
560	}
561	}
562	}
563	{
564	nsCOMPtr<IProgress> progress;
565	console->PowerDown(getter_AddRefs(progress));
566	progress->WaitForCompletion(-1);
567	}
568	}
569
570	Leave:
571	/*
572	* Perform the standard XPCOM shutdown procedure.
573	*/
574	NS_ShutdownXPCOM(nsnull);
575
576	return 0;
577	}

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source: vbox/trunk/src/VBox/Frontends/VBoxFB/VBoxFB.cpp@ 93115

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