/
misc.c
3256 lines (2947 loc) · 77.9 KB
/
misc.c
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/* $XTermId: misc.c,v 1.280 2005/11/03 13:17:28 tom Exp $ */
/*
* $Xorg: misc.c,v 1.3 2000/08/17 19:55:09 cpqbld Exp $
*/
/* $XFree86: xc/programs/xterm/misc.c,v 3.101 2005/11/03 13:17:28 dickey Exp $ */
/*
*
* Copyright 1999-2004,2005 by Thomas E. Dickey
*
* All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above copyright
* holders shall not be used in advertising or otherwise to promote the
* sale, use or other dealings in this Software without prior written
* authorization.
*
*
* Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Digital Equipment
* Corporation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
*
*
* DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <version.h>
#include <xterm.h>
#include <sys/stat.h>
#include <stdio.h>
#include <signal.h>
#include <ctype.h>
#include <pwd.h>
#include <sys/wait.h>
#include <X11/Xatom.h>
#include <X11/cursorfont.h>
#include <X11/Xmu/Error.h>
#include <X11/Xmu/SysUtil.h>
#include <X11/Xmu/WinUtil.h>
#if HAVE_X11_SUNKEYSYM_H
#include <X11/Sunkeysym.h>
#endif
#ifdef HAVE_LANGINFO_CODESET
#include <langinfo.h>
#endif
#include <data.h>
#include <error.h>
#include <menu.h>
#include <fontutils.h>
#include <xcharmouse.h>
#include <xstrings.h>
#include <VTparse.h>
#include <assert.h>
#if (XtSpecificationRelease < 6)
#ifndef X_GETTIMEOFDAY
#define X_GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *)0)
#endif
#endif
#ifdef VMS
#define XTERM_VMS_LOGFILE "SYS$SCRATCH:XTERM_LOG.TXT"
#ifdef ALLOWLOGFILEEXEC
#undef ALLOWLOGFILEEXEC
#endif
#endif /* VMS */
#if OPT_TEK4014
#define OUR_EVENT(event,Type) \
(event.type == Type && \
(event.xcrossing.window == XtWindow(XtParent(term)) || \
(tekWidget && \
event.xcrossing.window == XtWindow(XtParent(tekWidget)))))
#else
#define OUR_EVENT(event,Type) \
(event.type == Type && \
(event.xcrossing.window == XtWindow(XtParent(term))))
#endif
static Bool ChangeColorsRequest(XtermWidget pTerm, int start, char
*names, int final);
static void DoSpecialEnterNotify(XEnterWindowEvent * ev);
static void DoSpecialLeaveNotify(XEnterWindowEvent * ev);
static void selectwindow(TScreen * screen, int flag);
static void unselectwindow(TScreen * screen, int flag);
static void Sleep(int msec);
void
do_xevents(void)
{
TScreen *screen = &term->screen;
if (XtAppPending(app_con)
||
#if defined(VMS) || defined(__VMS)
screen->display->qlen > 0
#else
GetBytesAvailable(ConnectionNumber(screen->display)) > 0
#endif
)
xevents();
}
void
xevents(void)
{
XEvent event;
XtInputMask input_mask;
TScreen *screen = &term->screen;
if (need_cleanup)
Cleanup(0);
if (screen->scroll_amt)
FlushScroll(screen);
/*
* process timeouts, relying on the fact that XtAppProcessEvent
* will process the timeout and return without blockng on the
* XEvent queue. Other sources i.e. the pty are handled elsewhere
* with select().
*/
while ((input_mask = XtAppPending(app_con)) & XtIMTimer)
XtAppProcessEvent(app_con, XtIMTimer);
#if OPT_SESSION_MGT
/*
* Session management events are alternative input events. Deal with
* them in the same way.
*/
while ((input_mask = XtAppPending(app_con)) & XtIMAlternateInput)
XtAppProcessEvent(app_con, XtIMAlternateInput);
#endif
/*
* If there's no XEvents, don't wait around...
*/
if ((input_mask & XtIMXEvent) != XtIMXEvent)
return;
do {
/*
* This check makes xterm hang when in mouse hilite tracking mode.
* We simply ignore all events except for those not passed down to
* this function, e.g., those handled in in_put().
*/
if (waitingForTrackInfo) {
Sleep(10);
return;
}
XtAppNextEvent(app_con, &event);
/*
* Hack to get around problems with the toolkit throwing away
* eventing during the exclusive grab of the menu popup. By
* looking at the event ourselves we make sure that we can
* do the right thing.
*/
if (OUR_EVENT(event, EnterNotify))
DoSpecialEnterNotify(&event.xcrossing);
else if (OUR_EVENT(event, LeaveNotify))
DoSpecialLeaveNotify(&event.xcrossing);
else if ((screen->send_mouse_pos == ANY_EVENT_MOUSE
#if OPT_DEC_LOCATOR
|| screen->send_mouse_pos == DEC_LOCATOR
#endif /* OPT_DEC_LOCATOR */
)
&& event.xany.type == MotionNotify
&& event.xcrossing.window == XtWindow(term)) {
SendMousePosition((Widget) term, &event);
continue;
}
if (!event.xany.send_event ||
screen->allowSendEvents ||
((event.xany.type != KeyPress) &&
(event.xany.type != KeyRelease) &&
(event.xany.type != ButtonPress) &&
(event.xany.type != ButtonRelease)))
XtDispatchEvent(&event);
} while ((input_mask = XtAppPending(app_con)) & XtIMXEvent);
}
Cursor
make_colored_cursor(unsigned cursorindex, /* index into font */
unsigned long fg, /* pixel value */
unsigned long bg) /* pixel value */
{
TScreen *screen = &term->screen;
Cursor c;
Display *dpy = screen->display;
c = XCreateFontCursor(dpy, cursorindex);
if (c == (Cursor) 0)
return (c);
recolor_cursor(c, fg, bg);
return (c);
}
/* ARGSUSED */
void
HandleKeyPressed(Widget w GCC_UNUSED,
XEvent * event,
String * params GCC_UNUSED,
Cardinal *nparams GCC_UNUSED)
{
TScreen *screen = &term->screen;
TRACE(("Handle 7bit-key\n"));
#ifdef ACTIVEWINDOWINPUTONLY
if (w == CURRENT_EMU(screen))
#endif
Input(&term->keyboard, screen, &event->xkey, False);
}
/* ARGSUSED */
void
HandleEightBitKeyPressed(Widget w GCC_UNUSED,
XEvent * event,
String * params GCC_UNUSED,
Cardinal *nparams GCC_UNUSED)
{
TScreen *screen = &term->screen;
TRACE(("Handle 8bit-key\n"));
#ifdef ACTIVEWINDOWINPUTONLY
if (w == CURRENT_EMU(screen))
#endif
Input(&term->keyboard, screen, &event->xkey, True);
}
/* ARGSUSED */
void
HandleStringEvent(Widget w GCC_UNUSED,
XEvent * event GCC_UNUSED,
String * params,
Cardinal *nparams)
{
TScreen *screen = &term->screen;
#ifdef ACTIVEWINDOWINPUTONLY
if (w != CURRENT_EMU(screen))
return;
#endif
if (*nparams != 1)
return;
if ((*params)[0] == '0' && (*params)[1] == 'x' && (*params)[2] != '\0') {
Char c, *p;
Char hexval[2];
hexval[0] = hexval[1] = 0;
for (p = (Char *) (*params + 2); (c = *p); p++) {
hexval[0] *= 16;
if (isupper(c))
c = tolower(c);
if (c >= '0' && c <= '9')
hexval[0] += c - '0';
else if (c >= 'a' && c <= 'f')
hexval[0] += c - 'a' + 10;
else
break;
}
if (c == '\0')
StringInput(screen, hexval, 1);
} else {
StringInput(screen, (Char *) * params, strlen(*params));
}
}
/*
* Rather than sending characters to the host, put them directly into our
* input queue. That lets a user have access to any of the control sequences
* for a key binding. This is the equivalent of local function key support.
*
* NOTE: This code does not support the hexadecimal kludge used in
* HandleStringEvent because it prevents us from sending an arbitrary string
* (but it appears in a lot of examples - so we are stuck with it). The
* standard string converter does recognize "\" for newline ("\n") and for
* octal constants (e.g., "\007" for BEL). So we assume the user can make do
* without a specialized converter. (Don't try to use \000, though).
*/
/* ARGSUSED */
void
HandleInterpret(Widget w GCC_UNUSED,
XEvent * event GCC_UNUSED,
String * params,
Cardinal *param_count)
{
if (*param_count == 1) {
char *value = params[0];
int need = strlen(value);
int used = VTbuffer->next - VTbuffer->buffer;
int have = VTbuffer->last - VTbuffer->buffer;
if (have - used + need < BUF_SIZE) {
fillPtyData(&term->screen, VTbuffer, value, (int) strlen(value));
TRACE(("Interpret %s\n", value));
VTbuffer->update++;
}
}
}
static void
DoSpecialEnterNotify(XEnterWindowEvent * ev)
{
TScreen *screen = &term->screen;
TRACE(("DoSpecialEnterNotify(%d)\n", screen->select));
#ifdef ACTIVEWINDOWINPUTONLY
if (ev->window == XtWindow(XtParent(CURRENT_EMU(screen))))
#endif
if (((ev->detail) != NotifyInferior) &&
ev->focus &&
!(screen->select & FOCUS))
selectwindow(screen, INWINDOW);
}
/*ARGSUSED*/
void
HandleEnterWindow(Widget w GCC_UNUSED,
XtPointer eventdata GCC_UNUSED,
XEvent * event GCC_UNUSED,
Boolean * cont GCC_UNUSED)
{
/* NOP since we handled it above */
TRACE(("HandleEnterWindow ignored\n"));
}
static void
DoSpecialLeaveNotify(XEnterWindowEvent * ev)
{
TScreen *screen = &term->screen;
TRACE(("DoSpecialLeaveNotify(%d)\n", screen->select));
#ifdef ACTIVEWINDOWINPUTONLY
if (ev->window == XtWindow(XtParent(CURRENT_EMU(screen))))
#endif
if (((ev->detail) != NotifyInferior) &&
ev->focus &&
!(screen->select & FOCUS))
unselectwindow(screen, INWINDOW);
}
/*ARGSUSED*/
void
HandleLeaveWindow(Widget w GCC_UNUSED,
XtPointer eventdata GCC_UNUSED,
XEvent * event GCC_UNUSED,
Boolean * cont GCC_UNUSED)
{
/* NOP since we handled it above */
TRACE(("HandleLeaveWindow ignored\n"));
}
/*ARGSUSED*/
void
HandleFocusChange(Widget w GCC_UNUSED,
XtPointer eventdata GCC_UNUSED,
XEvent * ev,
Boolean * cont GCC_UNUSED)
{
XFocusChangeEvent *event = (XFocusChangeEvent *) ev;
TScreen *screen = &term->screen;
TRACE(("HandleFocusChange type=%d, mode=%d, detail=%d\n",
event->type,
event->mode,
event->detail));
if (event->type == FocusIn) {
/*
* NotifyNonlinear only happens (on FocusIn) if the pointer was not in
* one of our windows. Use this to reset a case where one xterm is
* partly obscuring another, and X gets (us) confused about whether the
* pointer was in the window. In particular, this can happen if the
* user is resizing the obscuring window, causing some events to not be
* delivered to the obscured window.
*/
if (event->detail == NotifyNonlinear
&& (screen->select & INWINDOW) != 0) {
unselectwindow(screen, INWINDOW);
}
selectwindow(screen,
((event->detail == NotifyPointer)
? INWINDOW
: FOCUS));
} else {
/*
* XGrabKeyboard() will generate FocusOut/NotifyGrab event that we want
* to ignore.
*/
if (event->mode != NotifyGrab) {
unselectwindow(screen,
((event->detail == NotifyPointer)
? INWINDOW
: FOCUS));
}
if (screen->grabbedKbd && (event->mode == NotifyUngrab)) {
Bell(XkbBI_Info, 100);
ReverseVideo(term);
screen->grabbedKbd = False;
update_securekbd();
}
}
}
static void
selectwindow(TScreen * screen, int flag)
{
TRACE(("selectwindow(%d) flag=%d\n", screen->select, flag));
#if OPT_TEK4014
if (screen->TekEmu) {
if (!Ttoggled)
TCursorToggle(TOGGLE);
screen->select |= flag;
if (!Ttoggled)
TCursorToggle(TOGGLE);
return;
} else
#endif
{
if (screen->xic)
XSetICFocus(screen->xic);
if (screen->cursor_state && CursorMoved(screen))
HideCursor();
screen->select |= flag;
if (screen->cursor_state)
ShowCursor();
return;
}
}
static void
unselectwindow(TScreen * screen, int flag)
{
TRACE(("unselectwindow(%d) flag=%d\n", screen->select, flag));
if (screen->always_highlight)
return;
#if OPT_TEK4014
if (screen->TekEmu) {
if (!Ttoggled)
TCursorToggle(TOGGLE);
screen->select &= ~flag;
if (!Ttoggled)
TCursorToggle(TOGGLE);
} else
#endif
{
if (screen->xic)
XUnsetICFocus(screen->xic);
screen->select &= ~flag;
if (screen->cursor_state && CursorMoved(screen))
HideCursor();
if (screen->cursor_state)
ShowCursor();
}
}
static long lastBellTime; /* in milliseconds */
void
Bell(int which GCC_UNUSED, int percent)
{
TScreen *screen = &term->screen;
struct timeval curtime;
long now_msecs;
TRACE(("BELL %d\n", percent));
/* has enough time gone by that we are allowed to ring
the bell again? */
if (screen->bellSuppressTime) {
if (screen->bellInProgress) {
do_xevents();
if (screen->bellInProgress) { /* even after new events? */
return;
}
}
X_GETTIMEOFDAY(&curtime);
now_msecs = 1000 * curtime.tv_sec + curtime.tv_usec / 1000;
if (lastBellTime != 0 && now_msecs - lastBellTime >= 0 &&
now_msecs - lastBellTime < screen->bellSuppressTime) {
return;
}
lastBellTime = now_msecs;
}
if (screen->visualbell) {
VisualBell();
} else {
#if defined(HAVE_XKBBELL)
XkbBell(screen->display, VShellWindow, percent, which);
#else
XBell(screen->display, percent);
#endif
}
if (screen->poponbell)
XRaiseWindow(screen->display, VShellWindow);
if (screen->bellSuppressTime) {
/* now we change a property and wait for the notify event to come
back. If the server is suspending operations while the bell
is being emitted (problematic for audio bell), this lets us
know when the previous bell has finished */
Widget w = CURRENT_EMU(screen);
XChangeProperty(XtDisplay(w), XtWindow(w),
XA_NOTICE, XA_NOTICE, 8, PropModeAppend, NULL, 0);
screen->bellInProgress = True;
}
}
#define VB_DELAY screen->visualBellDelay
static void
flashWindow(TScreen * screen, Window window, GC visualGC, unsigned width, unsigned height)
{
XFillRectangle(screen->display, window, visualGC, 0, 0, width, height);
XFlush(screen->display);
Sleep(VB_DELAY);
XFillRectangle(screen->display, window, visualGC, 0, 0, width, height);
}
void
VisualBell(void)
{
TScreen *screen = &term->screen;
if (VB_DELAY > 0) {
Pixel xorPixel = (T_COLOR(screen, TEXT_FG) ^
T_COLOR(screen, TEXT_BG));
XGCValues gcval;
GC visualGC;
gcval.function = GXxor;
gcval.foreground = xorPixel;
visualGC = XtGetGC((Widget) term, GCFunction + GCForeground, &gcval);
#if OPT_TEK4014
if (screen->TekEmu) {
flashWindow(screen, TWindow(screen), visualGC,
TFullWidth(screen),
TFullHeight(screen));
} else
#endif
{
flashWindow(screen, VWindow(screen), visualGC,
FullWidth(screen),
FullHeight(screen));
}
XtReleaseGC((Widget) term, visualGC);
}
}
/* ARGSUSED */
void
HandleBellPropertyChange(Widget w GCC_UNUSED,
XtPointer data GCC_UNUSED,
XEvent * ev,
Boolean * more GCC_UNUSED)
{
TScreen *screen = &term->screen;
if (ev->xproperty.atom == XA_NOTICE) {
screen->bellInProgress = False;
}
}
Window
WMFrameWindow(XtermWidget termw)
{
Window win_root, win_current, *children;
Window win_parent = 0;
unsigned int nchildren;
win_current = XtWindow(termw);
/* find the parent which is child of root */
do {
if (win_parent)
win_current = win_parent;
XQueryTree((&termw->screen)->display,
win_current,
&win_root,
&win_parent,
&children,
&nchildren);
XFree(children);
} while (win_root != win_parent);
return win_current;
}
#if OPT_DABBREV
/*
* The following code implements `dynamic abbreviation' expansion a la
* Emacs. It looks in the preceding visible screen and its scrollback
* to find expansions of a typed word. It compares consecutive
* expansions and ignores one of them if they are identical.
* (Tomasz J. Cholewo, t.cholewo@ieee.org)
*/
#define IS_WORD_CONSTITUENT(x) ((x) != ' ' && (x) != '\0')
#define MAXWLEN 1024 /* maximum word length as in tcsh */
static int
dabbrev_prev_char(int *xp, int *yp, TScreen * screen)
{
Char *linep;
while (*yp >= 0) {
linep = BUF_CHARS(screen->allbuf, *yp);
if (--*xp >= 0)
return linep[*xp];
if (--*yp < 0) /* go to previous line */
break;
*xp = MaxCols(screen);
if (!((long) BUF_FLAGS(screen->allbuf, *yp) & LINEWRAPPED))
return ' '; /* treat lines as separate */
}
return -1;
}
static char *
dabbrev_prev_word(int *xp, int *yp, TScreen * screen)
{
static char ab[MAXWLEN];
char *abword;
int c;
abword = ab + MAXWLEN - 1;
*abword = '\0'; /* end of string marker */
while ((c = dabbrev_prev_char(xp, yp, screen)) >= 0 &&
IS_WORD_CONSTITUENT(c))
if (abword > ab) /* store only |MAXWLEN| last chars */
*(--abword) = c;
if (c < 0) {
if (abword < ab + MAXWLEN - 1)
return abword;
else
return 0;
}
while ((c = dabbrev_prev_char(xp, yp, screen)) >= 0 &&
!IS_WORD_CONSTITUENT(c)) ; /* skip preceding spaces */
(*xp)++; /* can be | > screen->max_col| */
return abword;
}
static int
dabbrev_expand(TScreen * screen)
{
int pty = screen->respond; /* file descriptor of pty */
static int x, y;
static char *dabbrev_hint = 0, *lastexpansion = 0;
char *expansion;
Char *copybuffer;
size_t hint_len;
unsigned i;
unsigned del_cnt;
unsigned buf_cnt;
if (!screen->dabbrev_working) { /* initialize */
x = screen->cur_col;
y = screen->cur_row + screen->savelines;
free(dabbrev_hint); /* free(NULL) is OK */
dabbrev_hint = dabbrev_prev_word(&x, &y, screen);
if (!dabbrev_hint)
return 0; /* no preceding word? */
free(lastexpansion);
if (!(lastexpansion = strdup(dabbrev_hint))) /* make own copy */
return 0;
if (!(dabbrev_hint = strdup(dabbrev_hint))) {
free(lastexpansion);
return 0;
}
screen->dabbrev_working = 1; /* we are in the middle of dabbrev process */
}
hint_len = strlen(dabbrev_hint);
while ((expansion = dabbrev_prev_word(&x, &y, screen))) {
if (!strncmp(dabbrev_hint, expansion, hint_len) && /* empty hint matches everything */
strlen(expansion) > hint_len && /* trivial expansion disallowed */
strcmp(expansion, lastexpansion)) /* different from previous */
break;
}
if (!expansion) /* no expansion found */
return 0;
del_cnt = strlen(lastexpansion) - hint_len;
buf_cnt = del_cnt + strlen(expansion) - hint_len;
if (!(copybuffer = TypeMallocN(Char, buf_cnt)))
return 0;
for (i = 0; i < del_cnt; i++) { /* delete previous expansion */
copybuffer[i] = screen->dabbrev_erase_char;
}
memmove(copybuffer + del_cnt,
expansion + hint_len,
strlen(expansion) - hint_len);
v_write(pty, copybuffer, buf_cnt);
screen->dabbrev_working = 1; /* v_write() just set it to 1 */
free(copybuffer);
free(lastexpansion);
lastexpansion = strdup(expansion);
if (!lastexpansion)
return 0;
return 1;
}
/*ARGSUSED*/
void
HandleDabbrevExpand(Widget gw,
XEvent * event GCC_UNUSED,
String * params GCC_UNUSED,
Cardinal *nparams GCC_UNUSED)
{
XtermWidget w = (XtermWidget) gw;
TScreen *screen = &w->screen;
if (!dabbrev_expand(screen))
Bell(XkbBI_TerminalBell, 0);
}
#endif /* OPT_DABBREV */
#if OPT_MAXIMIZE
/*ARGSUSED*/
void
HandleDeIconify(Widget gw,
XEvent * event GCC_UNUSED,
String * params GCC_UNUSED,
Cardinal *nparams GCC_UNUSED)
{
if (IsXtermWidget(gw)) {
TScreen *screen = &((XtermWidget) gw)->screen;
XMapWindow(screen->display, VShellWindow);
}
}
/*ARGSUSED*/
void
HandleIconify(Widget gw,
XEvent * event GCC_UNUSED,
String * params GCC_UNUSED,
Cardinal *nparams GCC_UNUSED)
{
if (IsXtermWidget(gw)) {
TScreen *screen = &((XtermWidget) gw)->screen;
XIconifyWindow(screen->display,
VShellWindow,
DefaultScreen(screen->display));
}
}
int
QueryMaximize(XtermWidget termw, unsigned *width, unsigned *height)
{
TScreen *screen = &termw->screen;
XSizeHints hints;
long supp = 0;
Window root_win;
int root_x = -1; /* saved co-ordinates */
int root_y = -1;
unsigned root_border;
unsigned root_depth;
if (XGetGeometry(screen->display,
RootWindowOfScreen(XtScreen(termw)),
&root_win,
&root_x,
&root_y,
width,
height,
&root_border,
&root_depth)) {
TRACE(("QueryMaximize: XGetGeometry position %d,%d size %d,%d border %d\n",
root_x,
root_y,
*width,
*height,
root_border));
*width -= (root_border * 2);
*height -= (root_border * 2);
hints.flags = PMaxSize;
if (XGetWMNormalHints(screen->display,
VShellWindow,
&hints,
&supp)
&& (hints.flags & PMaxSize) != 0) {
TRACE(("QueryMaximize: WM hints max_w %#x max_h %#x\n",
hints.max_width,
hints.max_height));
if ((unsigned) hints.max_width < *width)
*width = hints.max_width;
if ((unsigned) hints.max_height < *height)
*height = hints.max_height;
}
return 1;
}
return 0;
}
void
RequestMaximize(XtermWidget termw, int maximize)
{
TScreen *screen = &termw->screen;
XWindowAttributes wm_attrs, vshell_attrs;
unsigned root_width, root_height;
if (maximize) {
if (QueryMaximize(termw, &root_width, &root_height)) {
if (XGetWindowAttributes(screen->display,
WMFrameWindow(termw),
&wm_attrs)) {
if (XGetWindowAttributes(screen->display,
VShellWindow,
&vshell_attrs)) {
if (screen->restore_data != True
|| screen->restore_width != root_width
|| screen->restore_height != root_height) {
screen->restore_data = True;
screen->restore_x = wm_attrs.x + wm_attrs.border_width;
screen->restore_y = wm_attrs.y + wm_attrs.border_width;
screen->restore_width = vshell_attrs.width;
screen->restore_height = vshell_attrs.height;
TRACE(("HandleMaximize: save window position %d,%d size %d,%d\n",
screen->restore_x,
screen->restore_y,
screen->restore_width,
screen->restore_height));
}
/* subtract wm decoration dimensions */
root_width -= ((wm_attrs.width - vshell_attrs.width)
+ (wm_attrs.border_width * 2));
root_height -= ((wm_attrs.height - vshell_attrs.height)
+ (wm_attrs.border_width * 2));
XMoveResizeWindow(screen->display, VShellWindow,
0 + wm_attrs.border_width, /* x */
0 + wm_attrs.border_width, /* y */
root_width,
root_height);
}
}
}
} else {
if (screen->restore_data) {
TRACE(("HandleRestoreSize: position %d,%d size %d,%d\n",
screen->restore_x,
screen->restore_y,
screen->restore_width,
screen->restore_height));
screen->restore_data = False;
XMoveResizeWindow(screen->display,
VShellWindow,
screen->restore_x,
screen->restore_y,
screen->restore_width,
screen->restore_height);
}
}
}
/*ARGSUSED*/
void
HandleMaximize(Widget gw,
XEvent * event GCC_UNUSED,
String * params GCC_UNUSED,
Cardinal *nparams GCC_UNUSED)
{
if (IsXtermWidget(gw)) {
RequestMaximize((XtermWidget) gw, 1);
}
}
/*ARGSUSED*/
void
HandleRestoreSize(Widget gw,
XEvent * event GCC_UNUSED,
String * params GCC_UNUSED,
Cardinal *nparams GCC_UNUSED)
{
if (IsXtermWidget(gw)) {
RequestMaximize((XtermWidget) gw, 0);
}
}
#endif /* OPT_MAXIMIZE */
void
Redraw(void)
{
TScreen *screen = &term->screen;
XExposeEvent event;
event.type = Expose;
event.display = screen->display;
event.x = 0;
event.y = 0;
event.count = 0;
if (VWindow(screen)) {
event.window = VWindow(screen);
event.width = term->core.width;
event.height = term->core.height;
(*term->core.widget_class->core_class.expose) ((Widget) term,
(XEvent *) & event,
NULL);
if (ScrollbarWidth(screen)) {
(screen->scrollWidget->core.widget_class->core_class.expose)
(screen->scrollWidget, (XEvent *) & event, NULL);
}
}
#if OPT_TEK4014
if (TWindow(screen) && screen->Tshow) {
event.window = TWindow(screen);
event.width = tekWidget->core.width;
event.height = tekWidget->core.height;
TekExpose((Widget) tekWidget, (XEvent *) & event, NULL);
}
#endif
}
#ifdef VMS
#define TIMESTAMP_FMT "%s%d-%02d-%02d-%02d-%02d-%02d"
#else
#define TIMESTAMP_FMT "%s%d-%02d-%02d.%02d:%02d:%02d"
#endif
void
timestamp_filename(char *dst, const char *src)
{
time_t tstamp;
struct tm *tstruct;
time(&tstamp);
tstruct = localtime(&tstamp);
sprintf(dst, TIMESTAMP_FMT,
src,
tstruct->tm_year + 1900,
tstruct->tm_mon + 1,
tstruct->tm_mday,
tstruct->tm_hour,
tstruct->tm_min,