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xvmisc.c
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xvmisc.c
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/*
* xvmisc.c - random 'handy' routines used in XV
*
* Contains:
* Window CreateWindow(name, clname, geom, w, h, fg, bg, usesize)
* void CenterString(win, str, x, y)
* void ULineString(win, str, x, y)
* int StringWidth(str)
* void FakeButtonPress(bptr)
* void FakeKeyPress(win, keysym);
* void GenExpose(win, x, y, w, h);
* void RemapKeyCheck(ks, buf, stlen)
* void xvDestroyImage(XImage *);
* void DimRect(win, x, y, w, h, bg);
* void Draw3dRect(win, x,y,w,h, inout, bwidth, hicol, locol);
* void SetCropString()
* void SetSelectionString()
* void Warning()
* void FatalError(str)
* void Quit(int)
* void LoadFishCursors()
* void WaitCursor()
* void SetCursors(int)
* const char *BaseName(const char *)
* void DrawTempGauge(win, x,y,w,h, percent, fg,bg,hi,lo, str)
* void ProgressMeter(min, max, val, str);
* void xvbcopy(src, dst, length)
* int xvbcmp (s1, s2, length)
* void xvbzero(s, length)
* char *xv_strstr(s1, s2)
* FILE *xv_fopen(str, str)
* void xv_mktemp(str)
* void Timer(milliseconds)
*/
#include "copyright.h"
#define NEEDSTIME
#include "xv.h"
#ifdef __linux__ /* probably others, too, but being conservative */
# include <unistd.h> /* getwd() */
#endif
#include "bits/fc_left"
#include "bits/fc_leftm"
#include "bits/fc_left1"
#include "bits/fc_left1m"
#include "bits/fc_mid"
#include "bits/fc_midm"
#include "bits/fc_right1"
#include "bits/fc_right1m"
#include "bits/fc_right"
#include "bits/fc_rightm"
static void set_cursors PARM((Cursor, Cursor));
static Atom atom_DELWIN = 0;
static Atom atom_PROTOCOLS = 0;
/***************************************************/
void StoreDeleteWindowProp (win)
Window win;
{
if (! atom_DELWIN)
atom_DELWIN = XInternAtom (theDisp, "WM_DELETE_WINDOW", FALSE);
/* the following fakes 'XSetWMProtocols(theDisp, win, &atom_DELWIN, 1);' */
if (! atom_PROTOCOLS)
atom_PROTOCOLS = XInternAtom (theDisp, "WM_PROTOCOLS", False);
if (atom_PROTOCOLS == None) return;
XChangeProperty(theDisp, win, atom_PROTOCOLS, XA_ATOM, 32,
PropModeReplace, (unsigned char *) &atom_DELWIN, 1);
}
/***************************************************/
Window CreateWindow(name,clname,geom,defw,defh,fg,bg,usesize)
const char *name;
const char *clname;
const char *geom;
int defw,defh;
unsigned long fg, bg;
int usesize;
{
Window win;
XSetWindowAttributes xswa;
unsigned long xswamask;
XWMHints xwmh;
XSizeHints hints;
int i,x,y,w,h;
XClassHint classh;
/* note: if usesize, w,h are extracted from geom spec, otherwise
defw,defh are used */
x = y = 1;
i = XParseGeometry(geom,&x,&y, (unsigned int *) &w, (unsigned int *) &h);
if ((i&XValue || i&YValue)) hints.flags = USPosition;
else hints.flags = PPosition;
if (!usesize || !(i&WidthValue)) w = defw;
if (!usesize || !(i&HeightValue)) h = defh;
hints.flags |= USSize | PWinGravity;
hints.win_gravity = NorthWestGravity;
if (i&XValue && i&XNegative) {
hints.win_gravity = NorthEastGravity;
x = dispWIDE - (w + 2 * bwidth) - abs(x);
}
if (i&YValue && i&YNegative) {
hints.win_gravity = (hints.win_gravity == NorthWestGravity) ?
SouthWestGravity : SouthEastGravity;
y = dispHIGH - (h + 2 * bwidth) - abs(y);
}
#define VROOT_TRANS
#ifdef VROOT_TRANS
if (vrootW != rootW) { /* virtual window manager running */
int x1,y1;
Window child;
XTranslateCoordinates(theDisp, rootW, vrootW, x, y, &x1, &y1, &child);
if (DEBUG) fprintf(stderr,"translate: %d,%d -> %d,%d\n",x,y,x1,y1);
x = x1; y = y1;
}
#endif
hints.x = x; hints.y = y;
hints.width = w; hints.height = h;
if (!usesize) {
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;
xswa.colormap = theCmap;
xswa.bit_gravity = StaticGravity;
xswamask = CWBackPixel | CWBorderPixel | CWColormap;
if (!usesize) xswamask |= CWBitGravity;
win = XCreateWindow(theDisp, rootW, x, y, (u_int) w, (u_int) h,
(u_int) bwidth, (int) dispDEEP, InputOutput,
theVisual, xswamask, &xswa);
if (!win) return(win); /* leave immediately if couldn't create */
xwmh.input = True;
xwmh.flags = InputHint;
if (iconPix) { xwmh.icon_pixmap = iconPix; xwmh.flags |= IconPixmapHint; }
if (clname && strlen(clname)) {
classh.res_name = "xv";
classh.res_class = (char *) clname;
StoreDeleteWindowProp(win);
}
XmbSetWMProperties(theDisp, win, name, name, NULL, 0, &hints, &xwmh,
clname ? &classh : NULL);
return(win);
}
/**************************************************/
void DrawString(win,x,y,str)
Window win;
int x,y;
const char *str;
{
XDrawString(theDisp, win, theGC, x, y, str, (int) strlen(str));
}
/**************************************************/
void CenterString(win,x,y,str)
Window win;
int x,y;
const char *str;
{
DrawString(win, CENTERX(mfinfo, x, str), CENTERY(mfinfo, y), str);
}
/**************************************************/
void ULineString(win,x,y,str)
Window win;
int x,y;
const char *str;
{
DrawString(win, x, y, str);
XDrawLine(theDisp, win, theGC, x, y+DESCENT-1,
x+StringWidth(str), y+DESCENT-1);
}
/**************************************************/
int StringWidth(str)
const char *str;
{
return(XTextWidth(mfinfo, str, (int) strlen(str)));
}
/**************************************************/
int CursorKey(ks, shift, dotrans)
KeySym ks;
int shift, dotrans;
{
/* called by the KeyPress/KeyRelease event handler to determine if a
given keypress is a cursor key. More complex than you'd think, since
certain Sun Keyboards generate a variety of odd keycodes, and not all
keyboards *have* all these keys. Note that 'shifted' arrow keys
are not translated to PageUp/Down, since it's up to the particular
case whether that translation should occur */
/* if we don't have the new R5-R6 'XK_KP_*' cursor movement
symbols, make them. */
#ifndef XK_KP_Up
# define XK_KP_Up XK_Up
# define XK_KP_Down XK_Down
# define XK_KP_Left XK_Left
# define XK_KP_Right XK_Right
# define XK_KP_Prior XK_Prior
# define XK_KP_Next XK_Next
# define XK_KP_Home XK_Home
# define XK_KP_End XK_End
#endif
int i = CK_NONE;
if (ks==XK_Up || ks==XK_KP_Up ||
ks==XK_F28) i=CK_UP;
else if (ks==XK_Down || ks==XK_KP_Down ||
ks==XK_F34) i=CK_DOWN;
else if (ks==XK_Left || ks==XK_KP_Left ||
ks==XK_F30) i=CK_LEFT;
else if (ks==XK_Right || ks==XK_KP_Right ||
ks==XK_F32) i=CK_RIGHT;
else if (ks==XK_Prior || ks==XK_KP_Prior ||
ks==XK_F29) i=CK_PAGEUP;
else if (ks==XK_Next || ks==XK_KP_Next ||
ks==XK_F35) i=CK_PAGEDOWN;
else if (ks==XK_Home || ks==XK_KP_Home ||
ks==XK_F27) i=CK_HOME;
else if (ks==XK_End || ks==XK_KP_End ||
ks==XK_F33) i=CK_END;
else i = CK_NONE;
if (dotrans && shift) {
if (i==CK_PAGEUP) i=CK_HOME;
else if (i==CK_PAGEDOWN) i=CK_END;
else if (i==CK_UP) i=CK_PAGEUP;
else if (i==CK_DOWN) i=CK_PAGEDOWN;
}
return i;
}
/***********************************/
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 FakeKeyPress(win, ksym)
Window win;
KeySym ksym;
{
XKeyEvent ev;
ev.type = KeyPress;
ev.send_event = True;
ev.display = theDisp;
ev.window = win;
ev.root = rootW;
ev.subwindow = (Window) NULL;
ev.time = CurrentTime;
ev.x = ev.y = ev.x_root = ev.y_root = 0;
ev.state = 0;
ev.keycode = XKeysymToKeycode(theDisp, ksym);
ev.same_screen = True;
XSendEvent(theDisp, win, False, NoEventMask, (XEvent *) &ev);
XFlush(theDisp);
}
/***********************************/
void GenExpose(win, x, y, w, h)
Window win;
int x, y;
unsigned int w, h;
{
/* generates an expose event on 'win' of the specified rectangle. Unlike
XClearArea(), it doesn't clear the rectangular region */
XExposeEvent ev;
ev.type = Expose;
ev.send_event = True;
ev.display = theDisp;
ev.window = win;
ev.x = x; ev.y = y; ev.width = w; ev.height = h;
ev.count = 0;
XSendEvent(theDisp, win, False, NoEventMask, (XEvent *) &ev);
}
/***********************************/
void RemapKeyCheck(ks, buf, stlen)
KeySym ks;
char *buf;
int *stlen;
{
/* remap weirdo keysyms into normal key events */
if (ks == 0x1000ff00) { /* map 'Remove' key on DEC keyboards -> ^D */
buf[0] = '\004';
buf[1] = '\0';
*stlen = 1;
}
}
/***********************************/
void xvDestroyImage(image)
XImage *image;
{
/* called in place of XDestroyImage(). Explicitly destroys *BOTH* the
data and the structure. XDestroyImage() doesn't seem to do this on all
systems. Also, can be called with a NULL image pointer */
if (image) {
/* free data by hand, since XDestroyImage is vague about it */
if (image->data) free(image->data);
image->data = NULL;
XDestroyImage(image);
}
}
/***********************************/
void DimRect(win, x, y, w, h, bg)
Window win;
int x, y;
u_int 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, dimStip);
XSetForeground(theDisp, theGC, bg);
XFillRectangle(theDisp, win, theGC, x, y, (u_int) w, (u_int) h);
XSetFillStyle (theDisp, theGC, FillSolid);
}
/**************************************************/
void Draw3dRect(win, x,y,w,h, inout, bwidth, hi, lo, bg)
Window win;
int x,y,inout,bwidth;
unsigned int w,h;
unsigned long hi, lo, bg;
{
int i, x1, y1;
x1 = x + (int) w;
y1 = y + (int) h;
if (ctrlColor) {
/* draw top-left */
XSetForeground(theDisp, theGC, (inout==R3D_OUT) ? hi : lo);
for (i=0; i<bwidth; i++) {
XDrawLine(theDisp, win, theGC, x+i, y1-i, x+i, y+i);
XDrawLine(theDisp, win, theGC, x+i, y+i, x1-i, y+i);
}
/* draw bot-right */
XSetForeground(theDisp, theGC, (inout==R3D_OUT) ? lo : hi);
for (i=0; i<bwidth; i++) {
XDrawLine(theDisp, win, theGC, x+i+1, y1-i, x1-i, y1-i);
XDrawLine(theDisp, win, theGC, x1-i, y1-i, x1-i, y+i+1);
}
/* draw diagonals */
XSetForeground(theDisp, theGC, bg);
for (i=0; i<bwidth; i++) {
XDrawPoint(theDisp, win, theGC, x+i, y1-i);
XDrawPoint(theDisp, win, theGC, x1-i, y+i);
}
}
}
/**************************************************/
void SetCropString()
{
/* 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 (cpic != pic)
SetISTR(ISTR_CROP, "%dx%d rectangle starting at %d,%d",
cWIDE, cHIGH, cXOFF, cYOFF);
else SetISTR(ISTR_CROP, "<none>");
}
/**************************************************/
void SetSelectionString()
{
/* sets the Selection string in the info box to be correct. should
be called whenever the selection may have changed */
if (HaveSelection()) {
int x,y,w,h;
GetSelRCoords(&x,&y,&w,&h);
SetISTR(ISTR_SELECT, "%dx%d rectangle starting at %d,%d", w, h, x, y);
}
else SetISTR(ISTR_SELECT, "<none>");
}
/***********************************/
void Warning()
{
char *st;
/* give 'em time to read message */
if (infoUp || ctrlUp || anyBrowUp) sleep(3);
else {
st = GetISTR(ISTR_INFO);
OpenAlert(st);
sleep(3);
CloseAlert();
}
}
/***********************************/
void FatalError (identifier)
const 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 */
#ifdef AUTO_EXPAND
chdir(initdir);
Vdsettle();
#endif
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);
KillBrowseWindows();
if (psW) XDestroyWindow(theDisp, psW);
#ifdef HAVE_JPEG
if (jpegW) XDestroyWindow(theDisp, jpegW);
#endif
#ifdef HAVE_JP2K
if (jp2kW) XDestroyWindow(theDisp, jp2kW);
#endif
#ifdef HAVE_TIFF
if (tiffW) XDestroyWindow(theDisp, tiffW);
#endif
#ifdef HAVE_PNG
if (pngW) XDestroyWindow(theDisp, pngW);
#endif
#ifdef HAVE_PCD
if (pcdW) XDestroyWindow(theDisp, pcdW);
#endif
#ifdef HAVE_PIC2
if (pic2W) XDestroyWindow(theDisp, pic2W);
#endif
#ifdef HAVE_MGCSFX
if (mgcsfxW) XDestroyWindow(theDisp, mgcsfxW);
#endif
/* if NOT using stdcmap for images, free stdcmap */
if (colorMapMode != CM_STDCMAP) {
int j;
for (j=0; j<stdnfcols; j++)
xvFreeColors(theDisp, theCmap, &stdfreecols[j], 1, 0L);
}
/* free browCmap, if any */
if (browPerfect && browCmap) XFreeColormap(theDisp, browCmap);
XFlush(theDisp);
}
KillPageFiles(pageBaseName, numPages);
if (autoDelete) { /* delete all files listed on command line */
int j; char str[MAXPATHLEN+1];
for (j=0; j<orignumnames; j++) {
if (origlist[j][0] != '/') { /* relative path, prepend 'initdir' */
sprintf(str,"%s/%s", initdir, origlist[j]);
if (unlink(str)) {
fprintf(stderr,"%s: can't delete '%s' - %s\n",
cmd, str, ERRSTR(errno));
}
}
else {
if (unlink(origlist[j])) {
fprintf(stderr,"%s: can't delete '%s' - %s\n",
cmd, origlist[j], ERRSTR(errno));
}
}
}
}
XSync(theDisp, False);
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, (char *) fc_left_bits,
fc_w, fc_h, 1L, 0L, 1);
flmpix= XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_leftm_bits,
fc_w, fc_h, 1L, 0L, 1);
fl1pix = XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_left1_bits,
fc_w, fc_h, 1L, 0L, 1);
fl1mpix= XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_left1m_bits,
fc_w, fc_h, 1L, 0L, 1);
fmpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_mid_bits,
fc_w, fc_h, 1L, 0L, 1);
fmmpix= XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_midm_bits,
fc_w, fc_h, 1L, 0L, 1);
fr1pix = XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_right1_bits,
fc_w, fc_h, 1L, 0L, 1);
fr1mpix = XCreatePixmapFromBitmapData(theDisp, ctrlW,
(char *) fc_right1m_bits,
fc_w, fc_h, 1L, 0L, 1);
frpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_right_bits,
fc_w, fc_h, 1L, 0L, 1);
frmpix = XCreatePixmapFromBitmapData(theDisp, ctrlW, (char *) fc_rightm_bits,
fc_w, fc_h, 1L, 0L, 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;
static int waiting=0;
static time_t lastwaittime;
/***********************************/
void WaitCursor()
{
XWMHints xwmh;
time_t nowT;
if (!waiting) {
time(&lastwaittime);
waiting=1;
xwmh.input = True;
xwmh.icon_pixmap = riconPix;
xwmh.icon_mask = riconmask;
xwmh.flags = (InputHint | IconPixmapHint | IconMaskHint) ;
if (!useroot && mainW) XSetWMHints(theDisp, mainW, &xwmh);
if ( useroot && ctrlW) XSetWMHints(theDisp, ctrlW, &xwmh);
}
else { /* waiting */
time(&nowT);
if (nowT == lastwaittime) return;
lastwaittime = nowT;
}
SetCursors(fishno);
fishno = (fishno+1) % 8;
}
/***********************************/
void SetCursors(n)
int n;
{
Cursor c;
XWMHints xwmh;
c = cross;
/* if n < 0 sets normal cursor in all windows
n = 0..6 cycles through fish cursors */
if (n<0) {
if (waiting) {
waiting=0;
xwmh.input = True;
xwmh.icon_pixmap = iconPix;
xwmh.icon_mask = iconmask;
xwmh.flags = (InputHint | IconPixmapHint | IconMaskHint) ;
if (!useroot && mainW) XSetWMHints(theDisp, mainW, &xwmh);
if ( useroot && ctrlW) XSetWMHints(theDisp, ctrlW, &xwmh);
}
if (showzoomcursor) set_cursors(zoom, arrow);
else set_cursors(arrow, arrow);
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;
}
set_cursors(c,c);
}
XFlush(theDisp);
}
static void set_cursors(mainc, otherc)
Cursor mainc, otherc;
{
if (!useroot && mainW) XDefineCursor(theDisp, mainW, mainc);
if (infoW) XDefineCursor(theDisp, infoW, otherc);
if (ctrlW) XDefineCursor(theDisp, ctrlW, otherc);
if (dirW) XDefineCursor(theDisp, dirW, otherc);
if (gamW) XDefineCursor(theDisp, gamW, otherc);
if (psW) XDefineCursor(theDisp, psW, otherc);
SetBrowseCursor(otherc);
SetTextCursor(otherc);
#ifdef HAVE_JPEG
if (jpegW) XDefineCursor(theDisp, jpegW, otherc);
#endif
#ifdef HAVE_JP2K
if (jp2kW) XDefineCursor(theDisp, jp2kW, otherc);
#endif
#ifdef HAVE_TIFF
if (tiffW) XDefineCursor(theDisp, tiffW, otherc);
#endif
#ifdef HAVE_PNG
if (pngW) XDefineCursor(theDisp, pngW, otherc);
#endif
#ifdef HAVE_PNG
if (pngW) XDefineCursor(theDisp, pngW, otherc);
#endif
#ifdef HAVE_PCD
if (pcdW) XDefineCursor(theDisp, pcdW, otherc);
#endif
#ifdef HAVE_PIC2
if (pic2W) XDefineCursor(theDisp, pic2W, otherc);
#endif
#ifdef HAVE_MGCSFX
if (mgcsfxW) XDefineCursor(theDisp, mgcsfxW, otherc);
#endif
}
/***************************************************/
const char *BaseName(fname)
const char *fname;
{
const char *basname;
/* given a complete path name ('/foo/bar/weenie.gif'), returns just the
'simple' name ('weenie.gif'). Note that it does not make a copy of
the name, so don't be modifying it... */
basname = (const char *) rindex(fname, '/');
return basname? basname+1 : fname;
}
/***************************************************/
void DrawTempGauge(win, x,y,w,h, ratio, fg,bg,hi,lo, str)
Window win;
int x,y,w,h;
double ratio;
u_long fg,bg,hi,lo;
const char *str;
{
/* draws a 'temprature'-style horizontal progress meter in the specified
window, at the specified location */
int barwide, maxwide, numchars, tw;
if (!win) return;
numchars = tw = 0;
if (str && str[0] != '\0') {
numchars = (int) strlen(str);
while ( (XTextWidth(mfinfo, str, numchars) > w) && numchars>0) numchars--;
}
if (numchars) tw = XTextWidth(mfinfo, str, numchars);
XSetForeground(theDisp, theGC, fg);
XDrawRectangle(theDisp, win, theGC, x,y, (u_int) w, (u_int) h);
if (ctrlColor) {
Draw3dRect(win, x+1,y+1, (u_int) w-2, (u_int) h-2, R3D_IN, 2, hi, lo, bg);
maxwide = w-4;
barwide = (int) (maxwide * ratio + 0.5);
XSetForeground(theDisp, theGC, fg);
XFillRectangle(theDisp,win,theGC, x+3, y+3, (u_int) barwide, (u_int) h-5);
if (numchars) { /* do string */
if (barwide < maxwide) {
XSetForeground(theDisp, theGC, bg);
XFillRectangle(theDisp, win, theGC, x+3+barwide, y+3,
(u_int) (maxwide-barwide), (u_int) (h-5));
}
XSetFunction(theDisp, theGC, GXinvert);
XSetPlaneMask(theDisp, theGC, fg ^ bg);
XDrawString(theDisp, win, theGC, CENTERX(mfinfo, (x+w/2), str),
CENTERY(mfinfo, (y+h/2)), str, numchars);
XSetFunction(theDisp, theGC, GXcopy);
XSetPlaneMask(theDisp, theGC, AllPlanes);
}
else if (barwide < maxwide) {
XDrawLine(theDisp,win,theGC,x+3+barwide, y+h/2 + 0, x+w-3, y+h/2 + 0);
XSetForeground(theDisp, theGC, lo);
XDrawLine(theDisp,win,theGC,x+3+barwide, y+h/2 + 1, x+w-3, y+h/2 + 1);
XSetForeground(theDisp, theGC, hi);
XDrawLine(theDisp,win,theGC,x+3+barwide, y+h/2 + 2, x+w-3, y+h/2 + 2);
XSetForeground(theDisp, theGC, bg);
XFillRectangle(theDisp, win, theGC, x+3+barwide, y+3,
(u_int) (maxwide-barwide), (u_int) (h/2 - 3));
XFillRectangle(theDisp, win, theGC, x+3+barwide, y+h/2 + 3,
(u_int) (maxwide-barwide),(u_int)((h-3) - (h/2+3)) + 1);
}
}
else {
maxwide = w-1;
barwide = (int) (maxwide * ratio + 0.5);
XSetForeground(theDisp, theGC, fg);
XFillRectangle(theDisp,win,theGC, x+1, y+1, (u_int) barwide, (u_int) h-1);
if (numchars) {
if (barwide < maxwide) {
XSetForeground(theDisp, theGC, bg);
XFillRectangle(theDisp, win, theGC, x+1+barwide, y+1,
(u_int) (maxwide-barwide), (u_int) (h-1));
}
XSetFunction(theDisp, theGC, GXinvert);
XSetPlaneMask(theDisp, theGC, fg ^ bg);
XDrawString(theDisp, win, theGC, CENTERX(mfinfo, (x+w/2), str),
CENTERY(mfinfo, (y+h/2)), str, numchars);
XSetFunction(theDisp, theGC, GXcopy);
XSetPlaneMask(theDisp, theGC, AllPlanes);
}
else if (barwide < maxwide) {
XDrawLine(theDisp, win, theGC, x+1+barwide, y+h/2, x+w-1, y+h/2);
XSetForeground(theDisp, theGC, bg);
XFillRectangle(theDisp, win, theGC, x+1+barwide, y+1,
(u_int) (maxwide-barwide), (u_int) (h/2 - 1));
XFillRectangle(theDisp, win, theGC, x+1+barwide, y+h/2 + 1,
(u_int)(maxwide-barwide),(u_int)(((h-1) - (h/2+1))+1));
}
}
XFlush(theDisp);
}
/***************************************************/
void ProgressMeter(min, max, val, str)
int min, max, val;
const char *str;
{
/* called during 'long' operations (algorithms, smoothing, etc.) to
give some indication that the program will ever finish. Draws a
temperature gauge in either mainW (if not useRoot), or ctrlW.
Tries to be clever: only draws gauge if it looks like the operation is
going to take more than a few seconds. Calling with val == max removes
the gauge. */
static int waiting = 0;
static time_t lastTime = 0;
time_t nowTime;
double doneness;
Window win;
int xpos,ypos;
if (useroot) { win=ctrlW; xpos=10; ypos=3; }
else { win=mainW; xpos=5; ypos=5; }
if (!win) return;
if (min >= max) return;
if (val==max && lastTime==0) return; /* already erased meter */
doneness = ((double) (val-min)) / ((double) (max - min));
time(&nowTime);
if (lastTime == 0) { /* first time we're calling for this meter */
lastTime = nowTime;
waiting = 1;
}
else if (waiting) { /* haven't drawn meter yet... */
if ((nowTime - lastTime >= 2) && doneness < .5) waiting = 0;
}
if (!waiting) { /* not waiting (or not waiting any longer) */
if (nowTime == lastTime && val<max) return; /* max one draw per second */
lastTime = nowTime;
DrawTempGauge(win, xpos, ypos, 100,19, doneness,
infofg,infobg,hicol,locol,str);
if (val >= max) { /* remove temp gauge */
XClearArea(theDisp, win, xpos,ypos, 100+1,19+1, True);
lastTime = 0;
}
}
}
/***************************************************/
void XVDeletedFile(fullname)
char *fullname;
{
/* called whenever a file has been deleted. Updates browser & dir windows,
if necessary */
BRDeletedFile(fullname);
DIRDeletedFile(fullname);
}
/***************************************************/
void XVCreatedFile(fullname)
char *fullname;
{
/* called whenever a file has been created. Updates browser & dir windows,
if necessary */
BRCreatedFile(fullname);
DIRCreatedFile(fullname);
}
/***************************************************/
void xvbcopy(src, dst, len)
const char *src;
char *dst;
size_t len;
{
/* Modern OS's (Solaris, etc.) frown upon the use of bcopy(),
* and only want you to use memcpy(). However, memcpy() is broken,
* in the sense that it doesn't properly handle overlapped regions
* of memory. This routine does, and also has its arguments in
* the same order as bcopy() did, without using bcopy().
*/