VBoxFB.cpp revision 273209ddea06daeb89a8dcc9c45e19ba14c89b8d
/** @file
*
* VBox frontends: Framebuffer (FB, DirectFB):
* main() routine.
*
* NOTE: this code has not been tested, so expect bugs. It is not part
* of a regular VirtualBox build.
*/
/*
* Copyright (C) 2006-2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include "VBoxFB.h"
#include "Framebuffer.h"
#include <getopt.h>
#include <VBox/param.h>
#include <iprt/path.h>
/**
* Globals
*/
uint32_t useFixedVideoMode = 0;
int scaleGuest = 0;
videoMode fixedVideoMode = {0};
int32_t initialVideoMode = -1;
void showusage()
{
printf("\nThe following parameters are supported:\n"
"--startvm uuid start VM with UUID 'uuid'\n"
"--fixedres WxHxBPP always use fixed host resolution\n"
"--listhostmodes display list of supported host display modes and exit\n"
"--scale scale guest video mode to host video mode\n"
"--nodirectblit disable direct blitting, use intermediate framebuffer\n"
"--showlabel show VM name on top of the VM display\n");
}
/** entry point */
int main(int argc, char *argv[])
{
const char *uuid = NULL;
int c;
int listHostModes = 0;
int quit = 0;
const struct option options[] =
{
{ "help", no_argument, NULL, 'h' },
{ "startvm", required_argument, NULL, 's' },
{ "fixedres", required_argument, NULL, 'f' },
{ "listhostmodes", no_argument, NULL, 'l' },
{ "scale", no_argument, NULL, 'c' }
};
printf("VirtualBox DirectFB GUI built %s %s\n"
"(C) 2004-" VBOX_C_YEAR " " VBOX_VENDOR "\n"
"(C) 2004-2005 secunet Security Networks AG\n", __DATE__, __TIME__);
for (;;)
{
c = getopt_long(argc, argv, "s:", options, NULL);
if (c == -1)
break;
switch (c)
{
case 'h':
{
showusage();
exit(0);
break;
}
case 's':
{
// UUID as string, parse it
RTUUID buuid;
if (!RT_SUCCESS(RTUuidFromStr((PRTUUID)&buuid, optarg)))
{
printf("Error, invalid UUID format given!\n");
showusage();
exit(-1);
}
uuid = optarg;
break;
}
case 'f':
{
if (sscanf(optarg, "%ux%ux%u", &fixedVideoMode.width, &fixedVideoMode.height,
&fixedVideoMode.bpp) != 3)
{
printf("Error, invalid resolution argument!\n");
showusage();
exit(-1);
}
useFixedVideoMode = 1;
break;
}
case 'l':
{
listHostModes = 1;
break;
}
case 'c':
{
scaleGuest = 1;
break;
}
default:
break;
}
}
// check if we got a UUID
if (!uuid)
{
printf("Error, no UUID given!\n");
showusage();
exit(-1);
}
/**
* XPCOM setup
*/
nsresult rc;
/*
* Note that we scope all nsCOMPtr variables in order to have all XPCOM
* objects automatically released before we call NS_ShutdownXPCOM at the
* end. This is an XPCOM requirement.
*/
{
nsCOMPtr<nsIServiceManager> serviceManager;
rc = NS_InitXPCOM2(getter_AddRefs(serviceManager), nsnull, nsnull);
if (NS_FAILED(rc))
{
printf("Error: XPCOM could not be initialized! rc=0x%x\n", rc);
exit(-1);
}
// register our component
nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(serviceManager);
if (!registrar)
{
printf("Error: could not query nsIComponentRegistrar interface!\n");
exit(-1);
}
registrar->AutoRegister(nsnull);
/*
* Make sure the main event queue is created. This event queue is
* responsible for dispatching incoming XPCOM IPC messages. The main
* thread should run this event queue's loop during lengthy non-XPCOM
* operations to ensure messages from the VirtualBox server and other
* XPCOM IPC clients are processed. This use case doesn't perform such
* operations so it doesn't run the event loop.
*/
nsCOMPtr<nsIEventQueue> eventQ;
rc = NS_GetMainEventQ(getter_AddRefs(eventQ));
if (NS_FAILED(rc))
{
printf("Error: could not get main event queue! rc=%08X\n", rc);
return -1;
}
/*
* Now XPCOM is ready and we can start to do real work.
* IVirtualBox is the root interface of VirtualBox and will be
* retrieved from the XPCOM component manager. We use the
* XPCOM provided smart pointer nsCOMPtr for all objects because
* that's very convenient and removes the need deal with reference
* counting and freeing.
*/
nsCOMPtr<nsIComponentManager> manager;
rc = NS_GetComponentManager(getter_AddRefs(manager));
if (NS_FAILED(rc))
{
printf("Error: could not get component manager! rc=%08X\n", rc);
exit(-1);
}
nsCOMPtr<IVirtualBox> virtualBox;
rc = manager->CreateInstanceByContractID(NS_VIRTUALBOX_CONTRACTID,
nsnull,
NS_GET_IID(IVirtualBox),
getter_AddRefs(virtualBox));
if (NS_FAILED(rc))
{
printf("Error, could not instantiate object! rc=0x%x\n", rc);
exit(-1);
}
nsCOMPtr<ISession> session;
rc = manager->CreateInstance(CLSID_Session,
nsnull,
NS_GET_IID(ISession),
getter_AddRefs(session));
if (NS_FAILED(rc))
{
printf("Error: could not instantiate Session object! rc = %08X\n", rc);
exit(-1);
}
// open session for this VM
rc = virtualBox->OpenSession(session, NS_ConvertUTF8toUTF16(uuid).get());
if (NS_FAILED(rc))
{
printf("Error: given machine not found!\n");
exit(-1);
}
nsCOMPtr<IMachine> machine;
session->GetMachine(getter_AddRefs(machine));
if (!machine)
{
printf("Error: given machine not found!\n");
exit(-1);
}
nsCOMPtr<IConsole> console;
session->GetConsole(getter_AddRefs(console));
if (!console)
{
printf("Error: cannot get console!\n");
exit(-1);
}
nsCOMPtr<IDisplay> display;
console->GetDisplay(getter_AddRefs(display));
if (!display)
{
printf("Error: could not get display object!\n");
exit(-1);
}
nsCOMPtr<IKeyboard> keyboard;
nsCOMPtr<IMouse> mouse;
VBoxDirectFB *frameBuffer = NULL;
/**
* Init DirectFB
*/
IDirectFB *dfb = NULL;
IDirectFBSurface *surface = NULL;
IDirectFBInputDevice *dfbKeyboard = NULL;
IDirectFBInputDevice *dfbMouse = NULL;
IDirectFBEventBuffer *dfbEventBuffer = NULL;
DFBSurfaceDescription dsc;
int screen_width, screen_height;
DFBCHECK(DirectFBInit(&argc, &argv));
DFBCHECK(DirectFBCreate(&dfb));
DFBCHECK(dfb->SetCooperativeLevel(dfb, DFSCL_FULLSCREEN));
// populate our structure of supported video modes
DFBCHECK(dfb->EnumVideoModes(dfb, enumVideoModesHandler, NULL));
if (listHostModes)
{
printf("*****************************************************\n");
printf("Number of available host video modes: %u\n", numVideoModes);
for (uint32_t i = 0; i < numVideoModes; i++)
{
printf("Mode %u: xres = %u, yres = %u, bpp = %u\n", i,
videoModes[i].width, videoModes[i].height, videoModes[i].bpp);
}
printf("Note: display modes with bpp < have been filtered out\n");
printf("*****************************************************\n");
goto Leave;
}
if (useFixedVideoMode)
{
int32_t bestVideoMode = getBestVideoMode(fixedVideoMode.width,
fixedVideoMode.height,
fixedVideoMode.bpp);
// validate the fixed mode
if ((bestVideoMode == -1) ||
((fixedVideoMode.width != videoModes[bestVideoMode].width) ||
(fixedVideoMode.height != videoModes[bestVideoMode].height) ||
(fixedVideoMode.bpp != videoModes[bestVideoMode].bpp)))
{
printf("Error: the specified fixed video mode is not available!\n");
exit(-1);
}
} else
{
initialVideoMode = getBestVideoMode(640, 480, 16);
if (initialVideoMode == -1)
{
printf("Error: initial video mode 640x480x16 is not available!\n");
exit(-1);
}
}
dsc.flags = DSDESC_CAPS;
dsc.caps = DSCAPS_PRIMARY;
DFBCHECK(dfb->CreateSurface(dfb, &dsc, &surface));
DFBCHECK(surface->Clear(surface, 0, 0, 0, 0));
DFBCHECK(surface->GetSize(surface, &screen_width, &screen_height));
DFBCHECK(dfb->GetInputDevice(dfb, DIDID_KEYBOARD, &dfbKeyboard));
DFBCHECK(dfbKeyboard->CreateEventBuffer(dfbKeyboard, &dfbEventBuffer));
DFBCHECK(dfb->GetInputDevice(dfb, DIDID_MOUSE, &dfbMouse));
DFBCHECK(dfbMouse->AttachEventBuffer(dfbMouse, dfbEventBuffer));
if (useFixedVideoMode)
{
printf("Information: setting video mode to %ux%ux%u\n", fixedVideoMode.width,
fixedVideoMode.height, fixedVideoMode.bpp);
DFBCHECK(dfb->SetVideoMode(dfb, fixedVideoMode.width,
fixedVideoMode.height, fixedVideoMode.bpp));
} else
{
printf("Information: starting with default video mode %ux%ux%u\n",
videoModes[initialVideoMode].width, videoModes[initialVideoMode].height,
videoModes[initialVideoMode].bpp);
DFBCHECK(dfb->SetVideoMode(dfb, videoModes[initialVideoMode].width,
videoModes[initialVideoMode].height,
videoModes[initialVideoMode].bpp));
}
// register our framebuffer
frameBuffer = new VBoxDirectFB(dfb, surface);
display->SetFramebuffer(0, frameBuffer);
/**
* Start the VM execution thread
*/
console->PowerUp(NULL);
console->GetKeyboard(getter_AddRefs(keyboard));
console->GetMouse(getter_AddRefs(mouse));
/**
* Main event loop
*/
#define MAX_KEYEVENTS 10
PRInt32 keyEvents[MAX_KEYEVENTS];
int numKeyEvents;
while (!quit)
{
DFBInputEvent event;
numKeyEvents = 0;
DFBCHECK(dfbEventBuffer->WaitForEvent(dfbEventBuffer));
while (dfbEventBuffer->GetEvent(dfbEventBuffer, DFB_EVENT(&event)) == DFB_OK)
{
int mouseXDelta = 0;
int mouseYDelta = 0;
int mouseZDelta = 0;
switch (event.type)
{
#define QUEUEEXT() keyEvents[numKeyEvents++] = 0xe0
#define QUEUEKEY(scan) keyEvents[numKeyEvents++] = scan | (event.type == DIET_KEYRELEASE ? 0x80 : 0x00)
#define QUEUEKEYRAW(scan) keyEvents[numKeyEvents++] = scan
case DIET_KEYPRESS:
case DIET_KEYRELEASE:
{
// @@@AH development hack to get out of it!
if ((event.key_id == DIKI_ESCAPE) && (event.modifiers & (DIMM_CONTROL | DIMM_ALT)))
quit = 1;
if (numKeyEvents < MAX_KEYEVENTS)
{
//printf("%s: key_code: 0x%x\n", event.type == DIET_KEYPRESS ? "DIET_KEYPRESS" : "DIET_KEYRELEASE", event.key_code);
switch ((uint32_t)event.key_id)
{
case DIKI_CONTROL_R:
QUEUEEXT();
QUEUEKEY(0x1d);
break;
case DIKI_INSERT:
QUEUEEXT();
QUEUEKEY(0x52);
break;
case DIKI_DELETE:
QUEUEEXT();
QUEUEKEY(0x53);
break;
case DIKI_HOME:
QUEUEEXT();
QUEUEKEY(0x47);
break;
case DIKI_END:
QUEUEEXT();
QUEUEKEY(0x4f);
break;
case DIKI_PAGE_UP:
QUEUEEXT();
QUEUEKEY(0x49);
break;
case DIKI_PAGE_DOWN:
QUEUEEXT();
QUEUEKEY(0x51);
break;
case DIKI_LEFT:
QUEUEEXT();
QUEUEKEY(0x4b);
break;
case DIKI_RIGHT:
QUEUEEXT();
QUEUEKEY(0x4d);
break;
case DIKI_UP:
QUEUEEXT();
QUEUEKEY(0x48);
break;
case DIKI_DOWN:
QUEUEEXT();
QUEUEKEY(0x50);
break;
case DIKI_KP_DIV:
QUEUEEXT();
QUEUEKEY(0x35);
break;
case DIKI_KP_ENTER:
QUEUEEXT();
QUEUEKEY(0x1c);
break;
case DIKI_PRINT:
// the break code is inverted!
if (event.type == DIET_KEYPRESS)
{
QUEUEEXT();
QUEUEKEY(0x2a);
QUEUEEXT();
QUEUEKEY(0x37);
} else
{
QUEUEEXT();
QUEUEKEY(0x37);
QUEUEEXT();
QUEUEKEY(0x2a);
}
break;
case DIKI_PAUSE:
// This is a super weird key. No break code and a 6 byte
// combination.
if (event.type == DIET_KEYPRESS)
{
QUEUEKEY(0xe1);
QUEUEKEY(0x1d);
QUEUEKEY(0x45);
QUEUEKEY(0xe1);
QUEUEKEY(0x9d);
QUEUEKEY(0xc5);
}
break;
case DIKI_META_L:
// the left Windows logo is a bit different
if (event.type == DIET_KEYPRESS)
{
QUEUEEXT();
QUEUEKEYRAW(0x1f);
} else
{
QUEUEEXT();
QUEUEKEYRAW(0xf0);
QUEUEKEYRAW(0x1f);
}
break;
case DIKI_META_R:
// the right Windows logo is a bit different
if (event.type == DIET_KEYPRESS)
{
QUEUEEXT();
QUEUEKEYRAW(0x27);
} else
{
QUEUEEXT();
QUEUEKEYRAW(0xf0);
QUEUEKEYRAW(0x27);
}
break;
case DIKI_SUPER_R:
// the popup menu is a bit different
if (event.type == DIET_KEYPRESS)
{
QUEUEEXT();
QUEUEKEYRAW(0x2f);
} else
{
QUEUEEXT();
QUEUEKEYRAW(0xf0);
QUEUEKEYRAW(0x2f);
}
break;
default:
// check if we got a hardware scancode
if (event.key_code != -1)
{
// take the scancode from DirectFB as is
QUEUEKEY(event.key_code);
} else
{
// XXX need extra handling!
}
}
}
break;
}
#undef QUEUEEXT
#undef QUEUEKEY
#undef QUEUEKEYRAW
case DIET_AXISMOTION:
{
switch (event.axis)
{
case DIAI_X:
mouseXDelta += event.axisrel;
break;
case DIAI_Y:
mouseYDelta += event.axisrel;
break;
case DIAI_Z:
mouseZDelta += event.axisrel;
break;
default:
break;
}
// fall through
}
case DIET_BUTTONPRESS:
// fall through;
case DIET_BUTTONRELEASE:
{
int buttonState = 0;
if (event.buttons & DIBM_LEFT)
buttonState |= MouseButtonState::LeftButton;
if (event.buttons & DIBM_RIGHT)
buttonState |= MouseButtonState::RightButton;
if (event.buttons & DIBM_MIDDLE)
buttonState |= MouseButtonState::MiddleButton;
mouse->PutMouseEvent(mouseXDelta, mouseYDelta, mouseZDelta,
buttonState);
break;
}
default:
break;
}
}
// did we get any keyboard events?
if (numKeyEvents > 0)
{
uint32_t codesStored;
if (numKeyEvents > 1)
{
keyboard->PutScancodes(numKeyEvents, keyEvents,
&codesStored);
} else
{
keyboard->PutScancode(keyEvents[0]);
}
}
}
{
nsCOMPtr<IProgress> progress;
console->PowerDown(getter_AddRefs(progress));
progress->WaitForCompletion(-1);
}
}
Leave:
/*
* Perform the standard XPCOM shutdown procedure.
*/
NS_ShutdownXPCOM(nsnull);
return 0;
}