/* * xvmisc.c - random 'handy' routines used in XV * * Author: John Bradley, University of Pennsylvania * (bradley@cis.upenn.edu) * * Contains: * Window CreateWindow(name, geom, w, h, fg, bg) * void CenterString(win, str, x, y) * void ULineString(win, str, x, y) * int StringWidth(str) * void FakeButtonPress(bptr) * void DimRect(win, x, y, w, h, bg); * void SetCropString(active) * void Warning() * void FatalError(str) * void Quit(int) * void LoadFishCursors() * void WaitCursor() * void SetCursors(int) * void Timer(milliseconds) */ /* * Copyright 1989, 1990, 1991, 1992 by John Bradley and * The University of Pennsylvania * * Permission to use, copy, and distribute for non-commercial purposes, * is hereby granted without fee, providing that the above copyright * notice appear in all copies and that both the copyright notice and this * permission notice appear in supporting documentation. * * The software may be modified for your own purposes, but modified versions * may not be distributed. * * This software is provided "as is" without any expressed or implied warranty. * * The author may be contacted via: * US Mail: John Bradley * GRASP Lab, Room 301C * 3401 Walnut St. * Philadelphia, PA 19104 * * Phone: (215) 898-8813 * EMail: bradley@cis.upenn.edu */ #define NEEDSTIME #include "xv.h" #include "bitmaps.h" /***************************************************/ Window CreateWindow(name,geom,w,h,fg,bg) char *name, *geom; unsigned int w,h; unsigned long fg, bg; { Window win; XSetWindowAttributes xswa; unsigned long xswamask; XWMHints xwmh; XSizeHints hints; int i,x,y; /* note that only x,y are gotten from geom spec. w,h are fixed */ x = y = 1; i = XParseGeometry(geom,&x,&y,&w,&h); if ((i&XValue || i&YValue)) hints.flags = USPosition; else hints.flags = PPosition; hints.flags |= USSize; if (i&XValue && i&XNegative) x = dispWIDE - w - abs(x); if (i&YValue && i&YNegative) y = dispHIGH - h - abs(y); #ifdef FOO if (vrootW != rootW) { /* virtual window manager running */ int x1,y1; Window child; XTranslateCoordinates(theDisp, rootW, vrootW, x, y, &x1, &y1, &child); fprintf(stderr,"translate: %d,%d -> %d,%d\n",x,y,x1,y1); } #endif hints.x = x; hints.y = y; hints.width = w; hints.height = h; hints.min_width = w; hints.min_height = h; hints.max_width = w; hints.max_height = h; hints.flags |= PMaxSize | PMinSize; xswa.background_pixel = bg; xswa.border_pixel = fg; xswamask = CWBackPixel | CWBorderPixel; win = XCreateWindow(theDisp, rootW, x, y, w, h, bwidth, CopyFromParent, CopyFromParent, CopyFromParent, xswamask, &xswa); if (!win) return(win); /* leave immediately if couldn't create */ XSetStandardProperties(theDisp, win, name, name, None, NULL, 0, &hints); xwmh.input = True; xwmh.flags = InputHint; if (iconPix) { xwmh.icon_pixmap = iconPix; xwmh.flags |= IconPixmapHint; } XSetWMHints(theDisp, win, &xwmh); return(win); } /**************************************************/ void CenterString(win,str,x,y) Window win; char *str; int x,y; { XDrawString(theDisp, win, theGC, CENTERX(mfinfo, x, str), CENTERY(mfinfo, y), str, strlen(str)); } /**************************************************/ void ULineString(win,str,x,y) Window win; char *str; int x,y; { XDrawString(theDisp, win, theGC, x, y, str, strlen(str)); XDrawLine(theDisp, win, theGC, x, y+DESCENT-1, x+StringWidth(str), y+DESCENT-1); } /**************************************************/ int StringWidth(str) char *str; { return(XTextWidth(mfinfo, str, strlen(str))); } /***********************************/ void FakeButtonPress(bp) BUTT *bp; { /* called when a button keyboard equivalent has been pressed. 'fakes' a ButtonPress event in the button, which A) makes the button blink, and B) falls through to ButtonPress command dispatch code */ Window rW, cW; int x, y, rx, ry; unsigned int mask; XButtonEvent ev; ev.type = ButtonPress; ev.send_event = True; ev.display = theDisp; ev.window = bp->win; ev.root = rootW; ev.subwindow = (Window) NULL; ev.x = bp->x; ev.y = bp->y; ev.state = 0; ev.button = Button1; XSendEvent(theDisp, bp->win, False, NoEventMask, (XEvent *) &ev); /* if button1 is pressed, loop until RELEASED to avoid probs in BTTrack */ while (XQueryPointer(theDisp, rootW, &rW,&cW,&rx,&ry,&x,&y,&mask)) { if (!(mask & Button1Mask)) break; /* button released */ } } /***********************************/ void DimRect(win, x, y, w, h, bg) Window win; int x,y,w,h; u_long bg; { /* stipple a rectangular region by drawing 'bg' where there's 1's in the stipple pattern */ XSetFillStyle(theDisp, theGC, FillStippled); XSetStipple(theDisp, theGC, grayStip); XSetForeground(theDisp, theGC, bg); XFillRectangle(theDisp,win,theGC,x,y,w,h); XSetFillStyle(theDisp, theGC, FillSolid); } /**************************************************/ void SetCropString(active) int active; { /* sets the crop string in the info box to be correct. should be called whenever 'but[BCROP].active', cXOFF,cYOFF,cWIDE,cHIGH are changed */ /* if 'active' there's a cropping rectangle drawn on the picture. the string should reflect that. */ if (active) { /* figure out current cropping rectangle in 'pic' coordinates */ int x,y,x1,y1,w,h; int cx,cy,dx,dy; if (crx1 pWIDE) w = pWIDE - x; if (h<1) h = 1; if (y+h > pHIGH) h = pHIGH - y; SetISTR(ISTR_CROP, "%dx%d rectangle starting at %d,%d", w, h, x, y); } else { /* cropping rectangle is turned off */ if (cpic != pic) SetISTR(ISTR_CROP, "%dx%d rectangle starting at %d,%d", cWIDE, cHIGH, cXOFF, cYOFF); else SetISTR(ISTR_CROP, ""); } } /***********************************/ void Warning() { char *st; if (infoUp || ctrlUp) sleep(5); /* give 'em time to read message */ else { st = GetISTR(ISTR_INFO); fprintf(stderr,"%s: %s\n", cmd, st); } } /***********************************/ void FatalError (identifier) char *identifier; { fprintf(stderr, "%s: %s\n",cmd, identifier); Quit(-1); } /***********************************/ void Quit(i) int i; { /* called when the program exits. frees everything explictly created EXCEPT allocated colors. This is used when 'useroot' is in operation, as we have to keep the alloc'd colors around, but we don't want anything else to stay */ if (!theDisp) exit(i); /* called before connection opened */ if (useroot && i==0) { /* save the root info */ SaveRootInfo(); /* kill the various windows, since we're in RetainPermanent mode now */ if (dirW) XDestroyWindow(theDisp, dirW); if (infoW) XDestroyWindow(theDisp, infoW); if (ctrlW) XDestroyWindow(theDisp, ctrlW); if (gamW) XDestroyWindow(theDisp, gamW); XFlush(theDisp); } exit(i); } static Cursor flcurs, fl1curs, fmcurs, fr1curs, frcurs; /***********************************/ void LoadFishCursors() { #define fc_w 16 #define fc_h 16 Pixmap flpix,flmpix,fmpix,fmmpix,frpix,frmpix; Pixmap fl1pix, fl1mpix, fr1pix, fr1mpix; XColor fg, bg; flcurs = fl1curs = fmcurs = fr1curs = frcurs = (Pixmap) NULL; flpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_left_bits, fc_w, fc_h, 1, 0, 1); flmpix= XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_leftm_bits, fc_w, fc_h, 1, 0, 1); fl1pix = XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_left1_bits, fc_w, fc_h, 1, 0, 1); fl1mpix= XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_left1m_bits, fc_w, fc_h, 1, 0, 1); fmpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_mid_bits, fc_w, fc_h, 1, 0, 1); fmmpix= XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_midm_bits, fc_w, fc_h, 1, 0, 1); fr1pix = XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_right1_bits, fc_w, fc_h, 1, 0, 1); fr1mpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_right1m_bits, fc_w, fc_h, 1, 0, 1); frpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_right_bits, fc_w, fc_h, 1, 0, 1); frmpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, fc_rightm_bits, fc_w, fc_h, 1, 0, 1); if (!flpix || !flmpix || !fmpix || !fmmpix || !frpix || !frmpix || !fl1pix || !fl1mpix || !fr1pix || !fr1mpix) return; fg.red = fg.green = fg.blue = 0; bg.red = bg.green = bg.blue = 0xffff; flcurs = XCreatePixmapCursor(theDisp, flpix, flmpix, &fg, &bg, 8,8); fl1curs= XCreatePixmapCursor(theDisp, fl1pix,fl1mpix,&fg, &bg, 8,8); fmcurs = XCreatePixmapCursor(theDisp, fmpix, fmmpix, &fg, &bg, 8,8); fr1curs= XCreatePixmapCursor(theDisp, fr1pix,fr1mpix,&fg, &bg, 8,8); frcurs = XCreatePixmapCursor(theDisp, frpix, frmpix, &fg, &bg, 8,8); if (!flcurs || !fmcurs || !frcurs || !fl1curs || !fr1curs) { flcurs = fmcurs = frcurs = (Cursor) NULL; } } static int fishno=0; /***********************************/ void WaitCursor() { SetCursors(fishno); fishno = (fishno+1) % 8; } /***********************************/ void SetCursors(n) int n; { Cursor c; c = cross; /* if n < 0 sets normal cursor in all windows n = 0..6 cycles through fish cursors */ if (n<0) { if (!useroot && mainW) XDefineCursor(theDisp, mainW, cross); if (infoW) XDefineCursor(theDisp, infoW, arrow); if (ctrlW) XDefineCursor(theDisp, ctrlW, arrow); if (dirW) XDefineCursor(theDisp, dirW, arrow); if (gamW) XDefineCursor(theDisp, gamW, arrow); if (psW) XDefineCursor(theDisp, psW, arrow); #ifdef HAVE_JPEG if (jpegW) XDefineCursor(theDisp, jpegW, arrow); #endif fishno = 0; } else if (flcurs) { /* was able to load the cursors */ switch (n%8) { case 0: c = flcurs; break; case 1: c = fl1curs; break; case 2: c = fmcurs; break; case 3: c = fr1curs; break; case 4: c = frcurs; break; case 5: c = fr1curs; break; case 6: c = fmcurs; break; case 7: c = fl1curs; break; } if (!useroot && mainW) XDefineCursor(theDisp, mainW, c); if (infoW) XDefineCursor(theDisp, infoW, c); if (ctrlW) XDefineCursor(theDisp, ctrlW, c); if (dirW) XDefineCursor(theDisp, dirW, c); if (gamW) XDefineCursor(theDisp, gamW, c); if (psW) XDefineCursor(theDisp, psW, c); #ifdef HAVE_JPEG if (jpegW) XDefineCursor(theDisp, jpegW, c); #endif } XFlush(theDisp); } /***************************************************/ static int timerdone; /*******/ static void onalarm() /*******/ { timerdone=1; } /*******/ void Timer(n) /* waits for 'n' milliseconds */ int n; /*******/ { long usec; struct itimerval it; if (!n) return; usec = (long) n * 1000; #ifdef sco nap(usec); return; #endif #ifdef USLEEP usleep(usec); return; #endif #ifdef NOTIMER return; #endif memset(&it, 0, sizeof(it)); if (usec>=1000000L) { /* more than 1 second */ it.it_value.tv_sec = usec / 1000000L; usec %= 1000000L; } it.it_value.tv_usec = usec; timerdone=0; signal(SIGALRM,onalarm); setitimer(ITIMER_REAL, &it, (struct itimerval *)0); while (1) { HOLD_SIG; /* note: have to block, so that ALRM */ if (timerdone) break; /* doesn't occur between 'if (timerdone)' */ else PAUSE_SIG; /* and calling PAUSE_SIG */ } RELEASE_SIG; /* turn ALRM blocking off */ signal(SIGALRM,SIG_DFL); }