/*
* Check to see if the cursor shape is the correct shape for its current
* location. If not, its shape is changed.
*/
void GsCheckCursor(void)
{
GR_WINDOW *wp; /* window cursor is in */
GR_CURSOR *cp; /* cursor definition */
/*
* Get the cursor at its current position, and if it is not the
* currently defined one, then set the new cursor. However,
* if the pointer is currently grabbed, then leave it alone.
*/
wp = grabbuttonwp;
if (wp == NULL)
wp = mousewp;
cp = GsFindCursor(wp->cursorid);
if (!cp)
cp = stdcursor;
if (cp == curcursor)
return;
/*
* It needs redefining, so do it.
*/
curcursor = cp;
GdMoveCursor(cursorx - cp->cursor.hotx, cursory - cp->cursor.hoty);
GdSetCursor(&cp->cursor);
}
/*
* Initialize the graphics and mouse devices at startup.
* Returns nonzero with a message printed if the initialization failed.
*/
int
GsInitialize(void)
{
GR_WINDOW *wp; /* root window */
PSD psd;
GR_CURSOR_ID cid;
static MWIMAGEBITS cursorbits[16] = {
0xe000, 0x9800, 0x8600, 0x4180,
0x4060, 0x2018, 0x2004, 0x107c,
0x1020, 0x0910, 0x0988, 0x0544,
0x0522, 0x0211, 0x000a, 0x0004
};
static MWIMAGEBITS cursormask[16] = {
0xe000, 0xf800, 0xfe00, 0x7f80,
0x7fe0, 0x3ff8, 0x3ffc, 0x1ffc,
0x1fe0, 0x0ff0, 0x0ff8, 0x077c,
0x073e, 0x021f, 0x000e, 0x0004
};
/* If needed, initialize the server mutex. */
SERVER_LOCK_INIT();
setbuf(stdout, NULL);
setbuf(stderr, NULL);
wp = (GR_WINDOW *) malloc(sizeof(GR_WINDOW));
if (wp == NULL) {
EPRINTF("Cannot allocate root window\n");
return -1;
}
startTicks = GsGetTickCount();
#ifndef MW_NOSIGNALS
/* catch terminate signal to restore tty state*/
signal(SIGTERM, (void *)GsTerminate);
#endif
#if MW_FEATURE_TIMERS
screensaver_delay = 0;
#endif
screensaver_active = GR_FALSE;
selection_owner.wid = 0;
selection_owner.typelist = NULL;
#if !NONETWORK
#ifndef MW_NOSIGNALS
/* ignore pipe signal, sent when clients exit*/
signal(SIGPIPE, SIG_IGN);
signal(SIGHUP, SIG_IGN);
#endif
if (GsOpenSocket() < 0) {
EPRINTF("Cannot bind to named socket\n");
free(wp);
return -1;
}
#endif
if ((keyb_fd = GdOpenKeyboard()) == -1) {
EPRINTF("Cannot initialise keyboard\n");
/*GsCloseSocket();*/
free(wp);
return -1;
}
#ifdef MW_FEATURE_TWO_KEYBOARDS
if ((keyb2_fd = GdOpenKeyboard2()) == -1) {
EPRINTF("Cannot initialise second keyboard\n");
/*GsCloseSocket();*/
free(wp);
return -1;
}
#endif
if ((psd = GdOpenScreen()) == NULL) {
EPRINTF("Cannot initialise screen\n");
/*GsCloseSocket();*/
GdCloseKeyboard();
free(wp);
return -1;
}
GdSetPortraitMode(psd, portraitmode);
if ((mouse_fd = GdOpenMouse()) == -1) {
EPRINTF("Cannot initialise mouse\n");
/*GsCloseSocket();*/
GdCloseScreen(psd);
GdCloseKeyboard();
free(wp);
return -1;
}
/*
* Create std font.
*/
#if (HAVE_BIG5_SUPPORT | HAVE_GB2312_SUPPORT | HAVE_JISX0213_SUPPORT | HAVE_KSC5601_SUPPORT)
/* system fixed font looks better when mixed with builtin fixed fonts*/
stdfont = GdCreateFont(psd, MWFONT_SYSTEM_FIXED, 0, NULL);
#else
stdfont = GdCreateFont(psd, MWFONT_SYSTEM_VAR, 0, NULL);
#endif
/*
* Initialize the root window.
*/
wp->psd = psd;
wp->id = GR_ROOT_WINDOW_ID;
wp->parent = NULL; /* changed: was = NULL*/
wp->owner = NULL;
wp->children = NULL;
wp->siblings = NULL;
wp->next = NULL;
wp->x = 0;
wp->y = 0;
wp->width = psd->xvirtres;
wp->height = psd->yvirtres;
wp->bordersize = 0;
wp->background = BLACK;
wp->bordercolor = wp->background;
wp->nopropmask = 0;
wp->bgpixmap = NULL;
wp->bgpixmapflags = GR_BACKGROUND_TILE;
wp->eventclients = NULL;
wp->cursorid = 0;
wp->mapped = GR_TRUE;
wp->realized = GR_TRUE;
wp->output = GR_TRUE;
wp->props = 0;
wp->title = NULL;
wp->clipregion = NULL;
listpp = NULL;
listwp = wp;
rootwp = wp;
focuswp = wp;
mousewp = wp;
focusfixed = GR_FALSE;
/*
* Initialize and position the default cursor.
*/
curcursor = NULL;
cursorx = -1;
cursory = -1;
GdShowCursor(psd);
GsMoveCursor(psd->xvirtres / 2, psd->yvirtres / 2);
SERVER_UNLOCK();
cid = GrNewCursor(16, 16, 0, 0, WHITE, BLACK, cursorbits, cursormask);
GrSetWindowCursor(GR_ROOT_WINDOW_ID, cid);
SERVER_LOCK();
stdcursor = GsFindCursor(cid);
#if VTSWITCH
MwInitVt();
/* Check for VT change every 50 ms: */
GdAddTimer(50, CheckVtChange, NULL);
#endif
psd->FillRect(psd, 0, 0, psd->xvirtres-1, psd->yvirtres-1,
GdFindColor(psd, wp->background));
/*
* Tell the mouse driver some things.
*/
curbuttons = 0;
GdRestrictMouse(0, 0, psd->xvirtres - 1, psd->yvirtres - 1);
GdMoveMouse(psd->xvirtres / 2, psd->yvirtres / 2);
/* Force root window screen paint*/
GsRedrawScreen();
/*
* Force the cursor to appear on the screen at startup.
* (not required with above GsRedrawScreen)
GdHideCursor(psd);
GdShowCursor(psd);
*/
/*
* All done.
*/
connectcount = 0;
return 0;
}
