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xvevent.c
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/*
* xvevent.c - EventLoop and support routines for XV
*
* Author: John Bradley, University of Pennsylvania
*
* Contains:
* int EventLoop()
* void DrawWindow(x,y,w,h)
* void WResize(w,h)
* void WRotate()
* void WCrop(w,h,dx,dy)
* void WUnCrop()
* void GetWindowPos(&xwa)
* void SetWindowPos(&xwa)
* void SetEpicMode()
* int xvErrorHandler(disp, err)
*/
#include "copyright.h"
#define NEEDSTIME /* for -wait handling in eventloop */
#include "xv.h"
#include "bits/dropper"
#include "bits/dropperm"
#include "bits/pen"
#include "bits/penm"
#include "bits/blur"
#include "bits/blurm"
static int rotatesLeft = 0;
static int origcropx, origcropy, origcropvalid=0;
static int canstartwait;
static int frominterrupt = 0;
static char *xevPriSel = NULL;
static Time lastEventTime;
static Cursor dropper = 0, pen = 0, blur = 0;
static void SelectDispMB PARM((int));
static void Select24to8MB PARM((int));
static void SelectRootMB PARM((int));
static void SelectWindowMB PARM((int));
static void SelectSizeMB PARM((int));
static void DoPrint PARM((void));
static void debugEvent PARM((XEvent *));
static const char *win2name PARM((Window));
static void handleButtonEvent PARM((XEvent *, int *, int *));
static void handleKeyEvent PARM((XEvent *, int *, int *));
static void zoomCurs PARM((u_int));
static void textViewCmd PARM((void));
static void setSizeCmd PARM((void));
static void WMaximize PARM((void));
static void CropKey PARM((int, int, int, int));
static void TrackPicValues PARM((int, int));
static int CheckForConfig PARM((void));
static Bool IsConfig PARM((Display *, XEvent *, char *));
static void QuitOnInterrupt PARM((XtPointer dummy, XtSignalId* Id));
static void onInterrupt PARM((int));
static void Paint PARM((void));
static void paintPixel PARM((int, int));
static void paintLine PARM((int, int, int, int));
static void paintXLine PARM((int, int, int, int, int));
static void BlurPaint PARM((void));
static int highbit PARM((u_long));
static u_long RGBToXColor PARM((int, int, int));
static void blurPixel PARM((int, int));
static void annotatePic PARM((void));
static int debkludge_offx;
static int debkludge_offy;
#ifdef HAVE_XRR
int RRevent_number = -1, RRerror_number = -1;
#endif
#ifndef NOSIGNAL
static XtSignalId IdQuit = 0;
extern XtAppContext context;
#endif
/****************/
int EventLoop()
/****************/
{
XEvent event;
int retval,done,waiting;
#ifdef USE_TICKS
clock_t waitsec_ticks=0L, orgtime_ticks=0L, curtime_ticks;
clock_t elapsed_ticks=0L, remaining_interval;
clock_t clock_ticks = sysconf(_SC_CLK_TCK);
#else
time_t orgtime=0L, curtime;
#endif
#ifndef NOSIGNAL
if (IdQuit)
XtRemoveSignal(IdQuit);
IdQuit = XtAppAddSignal(context, QuitOnInterrupt, NULL);
signal(SIGQUIT, onInterrupt);
#endif
if (startGrab == 1) {
startGrab = 2;
FakeButtonPress(&but[BGRAB]);
FakeKeyPress(ctrlW, XK_Return);
return(1);
}
/* note: there's no special event handling if we're using the root window.
if we're using the root window, we will recieve NO events for mainW */
/* note: 'canstartwait' is magically turned 'true' in HandleEvent when I
think I've finally gotten 'mainW' drawn. It does not necessarily
mean that any waiting is/will be done. Also note that if we're
using a root mode, canstartwait is instantly turned on, as we aren't
going to be getting Expose/Configure events on the root window */
done = retval = waiting = canstartwait = 0;
if (useroot) canstartwait = 1;
else if (mainW) { /* if mainW iconified, start wait now */
XWindowAttributes xwa;
XSync(theDisp, False);
if (XGetWindowAttributes(theDisp, mainW, &xwa)) {
if (xwa.map_state != IsViewable) canstartwait = 1;
}
}
while (!done) {
if (waitsec >= 0.0 && canstartwait && !waiting && XPending(theDisp)==0) {
/* we wanna wait, we can wait, we haven't started waiting yet, and
all pending events (ie, drawing the image the first time)
have been dealt with: START WAITING */
#ifdef USE_TICKS
waitsec_ticks = (clock_t)(waitsec * clock_ticks);
orgtime_ticks = times(NULL); /* unclear if NULL valid, but OK on Linux */
#else
orgtime = time(NULL);
#endif
waiting = 1;
}
/* if there's an XEvent pending *or* we're not doing anything
in real-time (polling, flashing the selection, etc.) get next event */
if ((waitsec<0.0 && !polling && !HaveSelection()) || XPending(theDisp)>0)
{
#ifndef NOSIGNAL
XtAppNextEvent(context, &event);
#else
XNextEvent(theDisp, &event);
#endif
retval = HandleEvent(&event,&done);
}
else { /* no events. check wait status */
if (HaveSelection()) {
DrawSelection(0);
DrawSelection(1);
XFlush(theDisp);
Timer(200); /* milliseconds */
}
if (polling) {
if (CheckPoll(2)) return POLLED;
else if (!XPending(theDisp)) sleep(1);
}
if (waitsec>=0.0 && waiting) {
#ifdef USE_TICKS
curtime_ticks = times(NULL); /* value in ticks */
if (curtime_ticks < orgtime_ticks) {
/* clock ticks rolled over: need to correct for that (i.e.,
* curtime_ticks is presumably quite small, while orgtime_ticks
* should be close to LONG_MAX, so do math accordingly--any way
* to check whether clock_t is *not* a signed long?) */
elapsed_ticks = curtime_ticks + (LONG_MAX - orgtime_ticks);
} else
elapsed_ticks = curtime_ticks - orgtime_ticks;
remaining_interval = waitsec_ticks - elapsed_ticks;
if (remaining_interval >= (clock_t)(1 * clock_ticks))
sleep(1);
else {
/* less than one second remaining: do delay in msec, then return */
Timer((remaining_interval * 1000L) / clock_ticks); /* can't overflow */
return waitloop? NEXTLOOP : NEXTQUIT;
}
#else
curtime = time(NULL); /* value in seconds */
if (curtime - orgtime < (time_t)waitsec)
sleep(1);
else
return waitloop? NEXTLOOP : NEXTQUIT;
#endif
}
}
} /* while (!done) */
if (!useroot && origcropvalid) WUnCrop();
origcropvalid = 0;
return(retval);
}
/****************/
int HandleEvent(event, donep)
XEvent *event;
int *donep;
{
static int wasInfoUp=0, wasCtrlUp=0, wasDirUp=0, wasGamUp=0, wasPsUp=0;
#ifdef HAVE_JPEG
static int wasJpegUp=0;
#endif
#ifdef HAVE_JP2K
static int wasJp2kUp=0;
#endif
#ifdef HAVE_TIFF
static int wasTiffUp=0;
#endif
#ifdef HAVE_PNG
static int wasPngUp=0;
#endif
#ifdef HAVE_WEBP
static int wasWebpUp=0;
#endif
#ifdef HAVE_PCD
static int wasPcdUp=0;
#endif
#ifdef HAVE_PIC2
static int wasPic2Up=0;
#endif
#ifdef HAVE_MGCSFX
static int wasMgcSfxUp=0;
#endif
#ifdef HAVE_XRR
int screen;
XRRScreenChangeNotifyEvent *xrr_event;
#endif
static int mainWKludge=0; /* force first mainW expose after a mainW config
to redraw all of mainW */
int done=0, retval=0;
if (DEBUG) debugEvent((XEvent *) event);
switch (event->type) {
case ButtonPress:
lastEventTime = ((XButtonEvent *) event)->time;
handleButtonEvent(event, &done, &retval);
break;
case KeyRelease:
case KeyPress:
lastEventTime = ((XKeyEvent *) event)->time;
handleKeyEvent(event, &done, &retval);
break;
case Expose: {
XExposeEvent *exp_event = (XExposeEvent *) event;
int x,y,w,h;
Window win;
#ifdef VMS
static int borders_sized = 0;
if (!borders_sized && !useroot && exp_event->window == mainW) {
/*
* Initial expose of main window, find the size of the ancestor
* window just prior to the root window and adjust saved size
* of display so that maximize functions will allow for window
* decorations.
*/
int status, count, mwid, mhgt, x, y, w, h, b, d, mbrd;
Window root, parent, *children, crw = exp_event->window;
borders_sized = 1;
status = XGetGeometry(theDisp, crw,
&root, &x, &y, &mwid, &mhgt, &mbrd, &d);
for ( parent = crw, w=mwid, h=mhgt;
status && (parent != root) && (parent != vrootW); ) {
crw = parent;
status = XQueryTree ( theDisp, crw, &root, &parent,
&children, &count );
if ( children != NULL ) XFree ( children );
}
status = XGetGeometry(theDisp, crw, &root, &x, &y, &w, &h, &b, &d);
if ( status ) {
dispWIDE = dispWIDE + mwid - w + (2*b);
dispHIGH = dispHIGH + mhgt - h + b;
/*printf("New display dims: %d %d\n", dispWIDE, dispHIGH ); */
}
}
#endif
win = exp_event->window;
x = exp_event->x; y = exp_event->y;
w = exp_event->width; h = exp_event->height;
if (PUCheckEvent (event)) break; /* event has been processed */
if (PSCheckEvent (event)) break; /* event has been processed */
#ifdef HAVE_JPEG
if (JPEGCheckEvent(event)) break; /* event has been processed */
#endif
#ifdef HAVE_JP2K
if (JP2KCheckEvent(event)) break; /* event has been processed */
#endif
#ifdef HAVE_TIFF
if (TIFFCheckEvent(event)) break; /* event has been processed */
#endif
#ifdef HAVE_PNG
if (PNGCheckEvent (event)) break; /* event has been processed */
#endif
#ifdef HAVE_WEBP
if (WEBPCheckEvent(event)) break; /* event has been processed */
#endif
if (PCDCheckEvent(event)) break; /* event has been processed */
#ifdef HAVE_PIC2
if (PIC2CheckEvent(event)) break; /* event has been processed */
#endif
#ifdef HAVE_PCD
if (PCDCheckEvent (event)) break; /* event has been processed */
#endif
#ifdef HAVE_MGCSFX
if (MGCSFXCheckEvent(event)) break; /* event has been processed */
#endif
#ifdef TV_MULTILINGUAL
if (CharsetCheckEvent(event)) break; /* event has been processed */
#endif
if (GamCheckEvent (event)) break; /* event has been processed */
if (BrowseCheckEvent (event, &retval, &done)) break; /* event eaten */
if (TextCheckEvent (event, &retval, &done)) break; /* event eaten */
/* if the window doesn't do intelligent redraw, drop but last expose */
if (exp_event->count>0 &&
win != mainW && win != ctrlW && win != dirW && win != infoW) break;
if (win == mainW && CheckForConfig()) {
if (DEBUG) fprintf(stderr,"Expose mainW ignored. Config pending.\n");
break;
}
if (win==mainW || win==ctrlW || win==dirW || win==infoW) {
/* must be a 'smart' window. group exposes into an expose 'region' */
int count;
Region reg;
XRectangle rect;
XEvent evt;
xvbcopy((char *) exp_event, (char *) &evt, sizeof(XEvent));
reg = XCreateRegion();
count = 0;
do {
rect.x = evt.xexpose.x;
rect.y = evt.xexpose.y;
rect.width = evt.xexpose.width;
rect.height = evt.xexpose.height;
XUnionRectWithRegion(&rect, reg, reg);
count++;
if (DEBUG) debugEvent((XEvent *) &evt);
} while (XCheckWindowEvent(theDisp,evt.xexpose.window,
ExposureMask, &evt));
XClipBox(reg, &rect); /* bounding box of region */
XSetRegion(theDisp, theGC, reg);
x = rect.x; y = rect.y;
w = rect.width; h = rect.height;
if (DEBUG) fprintf(stderr,"window: 0x%08x collapsed %d expose events\n",
(u_int) exp_event->window, count);
if (DEBUG) fprintf(stderr," region bounding box: %d,%d %dx%d\n",
x, y, w, h);
if (win == mainW) {
if (DEBUG) fprintf(stderr,"EXPOSE: ");
if (!CheckForConfig()) {
if (mainWKludge) {
if (DEBUG) fprintf(stderr, "Using mainWKludge\n");
x = 0; y = 0; w = eWIDE; h = eHIGH;
XSetClipMask(theDisp, theGC, None);
mainWKludge = 0;
}
if (DEBUG) fprintf(stderr,"No configs pending.\n");
/* if (DEBUG) XClearArea(theDisp, mainW, x,y,w,h, False); */
DrawWindow(x,y,w,h);
if (HaveSelection()) DrawSelection(0);
canstartwait = 1; /* finished drawing */
XSync(theDisp, False);
}
else
if (DEBUG) fprintf(stderr,"Ignored. Config pending\n");
}
else if (win == infoW) RedrawInfo(x,y,w,h);
else if (win == ctrlW) RedrawCtrl(x,y,w,h);
else if (win == dirW) RedrawDirW(x,y,w,h);
XSetClipMask(theDisp, theGC, None);
XDestroyRegion(reg);
}
else if (win == nList.win) LSRedraw(&nList,0);
else if (win == nList.scrl.win) SCRedraw(&nList.scrl);
else if (win == dList.win) LSRedraw(&dList,0);
else if (win == dList.scrl.win) SCRedraw(&dList.scrl);
else if (win == dnamW) RedrawDNamW();
}
break;
case ClientMessage: {
Atom proto, delwin;
XClientMessageEvent *client_event = (XClientMessageEvent *) event;
if (PUCheckEvent (event)) break; /* event has been processed */
proto = XInternAtom(theDisp, "WM_PROTOCOLS", FALSE);
delwin = XInternAtom(theDisp, "WM_DELETE_WINDOW", FALSE);
if (client_event->message_type == proto &&
client_event->data.l[0] == delwin) {
/* it's a WM_DELETE_WINDOW event */
if (BrowseDelWin(client_event->window)) break;
if (TextDelWin(client_event->window)) break;
#ifdef TV_MULTILINGUAL
if (CharsetDelWin(client_event->window)) break;
#endif
if (client_event->window == infoW) InfoBox(0);
else if (client_event->window == gamW) GamBox(0);
else if (client_event->window == ctrlW) CtrlBox(0);
else if (client_event->window == dirW) DirBox(0);
else if (client_event->window == psW) PSDialog(0);
#ifdef HAVE_JPEG
else if (client_event->window == jpegW) JPEGDialog(0);
#endif
#ifdef HAVE_JP2K
else if (client_event->window == jp2kW) JP2KDialog(0);
#endif
#ifdef HAVE_TIFF
else if (client_event->window == tiffW) TIFFDialog(0);
#endif
#ifdef HAVE_PNG
else if (client_event->window == pngW) PNGDialog(0);
#endif
#ifdef HAVE_WEBP
else if (client_event->window == webpW) WEBPDialog(0);
#endif
else if (client_event->window == pcdW) PCDDialog(0);
#ifdef HAVE_PIC2
else if (client_event->window == pic2W) PIC2Dialog(0);
#endif
#ifdef HAVE_PCD
else if (client_event->window == pcdW) PCDDialog(0);
#endif
#ifdef HAVE_MGCSFX
else if (client_event->window == mgcsfxW) MGCSFXDialog(0);
#endif
else if (client_event->window == mainW) Quit(0);
}
}
break;
case ConfigureNotify: {
XConfigureEvent *cevt = (XConfigureEvent *) event;
Window win = cevt->window;
if (BrowseCheckEvent (event, &retval, &done)) break; /* event eaten */
if (TextCheckEvent (event, &retval, &done)) break; /* event eaten */
/*
* if it's a configure of one of the 'major' xv windows, update the
* NORMAL position hints for this window appropriately (so it can be
* iconified and deiconified correctly)
*/
if (win==ctrlW || win==gamW || win==infoW || win==mainW || win==dirW) {
XSizeHints hints;
#define BAD_IDEA
#ifdef BAD_IDEA
/*
* if there is a virtual window manager running (e.g., tvtwm / olvwm),
* we're going to get 'cevt' values in terms of the
* 'real' root window (the one that is the size of the screen).
* We'll want to translate them into values that are in terms of
* the 'virtual' root window (the 'big' one)
*/
if (vrootW != rootW) {
int x1,y1;
Window child;
XTranslateCoordinates(theDisp, rootW, vrootW, cevt->x, cevt->y,
&x1, &y1, &child);
if (DEBUG) fprintf(stderr," CONFIG trans %d,%d root -> %d,%d vroot\n",
cevt->x, cevt->y, x1, y1);
cevt->x = x1; cevt->y = y1;
}
#endif
#ifndef VMS
/* read hints for this window and adjust any position hints, but
only if this is a 'synthetic' event sent to us by the WM
('real' events from the server have useless x,y info, since the
mainW has been reparented by the WM) */
if (cevt->send_event &&
XGetNormalHints(theDisp, cevt->window, &hints)) {
if (DEBUG) fprintf(stderr," CONFIG got hints (0x%x %d,%d)\n",
(u_int) hints.flags, hints.x, hints.y);
hints.x = cevt->x;
hints.y = cevt->y;
XSetNormalHints(theDisp, cevt->window, &hints);
if (DEBUG) fprintf(stderr," CONFIG set hints (0x%x %d,%d)\n",
(u_int) hints.flags, hints.x, hints.y);
}
#endif
}
if (cevt->window == dirW) {
ResizeDirW(cevt->width, cevt->height);
}
if (cevt->window == ctrlW) {
ResizeCtrl(cevt->width, cevt->height);
}
if (cevt->window == mainW) {
/* when we load a new image, we may get *2* configure events from
* the 'XMoveResizeWindow()' call. One at the 'old' size, in the
* new position, and one at the new size at the new position.
* We want to *IGNORE* the one at the old size, as we don't want to
* call Resize() for images that we won't need.
*
* Note that we may also only get *one* Configure event (if the window
* didn't move), and we may also only get *one* Configure event in
* some unasked for size (if the asked for size wasn't acceptable to
* the window manager), and we may also get *no* Configure event
* if the window doesn't move or change size
*
* This sucks!
*
* So, if we have just loaded an image, and we get a Synthetic conf
* that is not the desired size (eWIDExeHIGH), ignore it, as it's
* just the conf generated by moving the old window. And stop
* ignoring further config events
*
* EVIL KLUDGE: do *not* ignore configs that are <100x100. Not
* ignoring them won't be a big performance problem, and it'll get
* around the 'I only got one config in the wrong size' problem when
* initially displaying small images
*/
if (cevt->width<100 && cevt->height < 100 ) ignoreConfigs = 0;
/* fprintf(stderr,"***mainw, ignore=%d, send_event=%d, evtSize=%d,%d, size=%d,%d\n", ignoreConfigs, cevt->send_event, cevt->width, cevt->height, eWIDE, eHIGH); */
if (ignoreConfigs==1 && cevt->send_event &&
(cevt->width != eWIDE || cevt->height != eHIGH)) {
ignoreConfigs=0; /* ignore this one only */
break;
}
ignoreConfigs = 0;
if (!rotatesLeft) {
if (CheckForConfig()) {
if (DEBUG) fprintf(stderr,"more configs pending. ignored\n");
}
else {
XEvent xev;
if (DEBUG) fprintf(stderr,"No configs pend.");
if (cevt->width == eWIDE && cevt->height == eHIGH) {
if (DEBUG) fprintf(stderr,"No redraw\n");
}
else {
if (DEBUG) fprintf(stderr,"Do full redraw\n");
Resize(cevt->width, cevt->height);
/* eat any pending expose events and do a full redraw */
while (XCheckTypedWindowEvent(theDisp, mainW, Expose, &xev)) {
XExposeEvent *exp = (XExposeEvent *) &xev;
if (DEBUG)
fprintf(stderr," ate expose (%s) (count=%d) %d,%d %dx%d\n",
exp->send_event ? "synth" : "real", exp->count,
exp->x, exp->y, exp->width, exp->height);
}
DrawWindow(0,0,cevt->width, cevt->height);
if (HaveSelection()) DrawSelection(0);
canstartwait=1;
XSync(theDisp, False);
SetCursors(-1);
}
}
}
if (rotatesLeft>0) {
rotatesLeft--;
if (!rotatesLeft) mainWKludge = 1;
}
if (!rotatesLeft) SetCursors(-1);
}
}
break;
case CirculateNotify:
case DestroyNotify:
case GravityNotify: break;
case MapNotify: {
XMapEvent *map_event = (XMapEvent *) event;
if (map_event->window == mainW ||
(map_event->window == ctrlW && dispMode != RMB_WINDOW)) {
if (DEBUG) fprintf(stderr,"map event received on mainW/ctrlW\n");
if (autoclose) {
if (autoclose>1) autoclose -= 2; /* grab kludge */
if (wasInfoUp) { InfoBox(wasInfoUp); wasInfoUp=0; }
if (wasCtrlUp) { CtrlBox(wasCtrlUp); wasCtrlUp=0; }
if (wasDirUp) { DirBox(wasDirUp); wasDirUp=0; }
UnHideBrowseWindows();
UnHideTextWindows();
if (wasGamUp) { GamBox(wasGamUp); wasGamUp=0; }
if (wasPsUp) { PSDialog(wasPsUp); wasPsUp=0; }
#ifdef HAVE_JPEG
if (wasJpegUp) { JPEGDialog(wasJpegUp); wasJpegUp=0; }
#endif
#ifdef HAVE_JP2K
if (wasJp2kUp) { JP2KDialog(wasJpegUp); wasJp2kUp=0; }
#endif
#ifdef HAVE_TIFF
if (wasTiffUp) { TIFFDialog(wasTiffUp); wasTiffUp=0; }
#endif
#ifdef HAVE_PNG
if (wasPngUp) { PNGDialog(wasPngUp); wasPngUp=0; }
#endif
#ifdef HAVE_WEBP
if (wasWebpUp) { WEBPDialog(wasWebpUp); wasWebpUp=0; }
#endif
#ifdef HAVE_PCD
if (wasPcdUp) { PCDDialog(wasPcdUp); wasPcdUp=0; }
#endif
#ifdef HAVE_PIC2
if (wasPic2Up) { PIC2Dialog(wasPic2Up); wasPic2Up=0; }
#endif
#ifdef HAVE_MGCSFX
if (wasMgcSfxUp) { MGCSFXDialog(wasMgcSfxUp); wasMgcSfxUp=0; }
#endif
}
}
}
break;
case UnmapNotify: {
XUnmapEvent *unmap_event = (XUnmapEvent *) event;
if (unmap_event->window == mainW ||
(unmap_event->window == ctrlW && dispMode != RMB_WINDOW)) {
if (DEBUG) fprintf(stderr,"unmap event received on mainW/ctrlW\n");
if (DEBUG) fprintf(stderr,"dispMode = %d\n", dispMode);
/* don't do it if we've just switched to a root mode */
if ((unmap_event->window == mainW && dispMode == 0) ||
(unmap_event->window == ctrlW && dispMode != 0)) {
if (autoclose) {
if (autoclose>1) autoclose -= 2; /* grab kludge */
if (unmap_event->window == mainW) {
if (ctrlUp) { wasCtrlUp = ctrlUp; CtrlBox(0); }
}
if (infoUp) { wasInfoUp = infoUp; InfoBox(0); }
if (dirUp) { wasDirUp = dirUp; DirBox(0); }
HideBrowseWindows();
HideTextWindows();
if (gamUp) { wasGamUp = gamUp; GamBox(0); }
if (psUp) { wasPsUp = psUp; PSDialog(0); }
#ifdef HAVE_JPEG
if (jpegUp) { wasJpegUp = jpegUp; JPEGDialog(0); }
#endif
#ifdef HAVE_JP2K
if (jp2kUp) { wasJp2kUp = jp2kUp; JP2KDialog(0); }
#endif
#ifdef HAVE_TIFF
if (tiffUp) { wasTiffUp = tiffUp; TIFFDialog(0); }
#endif
#ifdef HAVE_PNG
if (pngUp) { wasPngUp = pngUp; PNGDialog(0); }
#endif
#ifdef HAVE_WEBP
if (webpUp) { wasWebpUp = webpUp; WEBPDialog(0); }
#endif
#ifdef HAVE_PCD
if (pcdUp) { wasPcdUp = pcdUp; PCDDialog(0); }
#endif
#ifdef HAVE_PIC2
if (pic2Up) { wasPic2Up = pic2Up; PIC2Dialog(0); }
#endif
#ifdef HAVE_MGCSFX
if (mgcsfxUp) { wasMgcSfxUp = mgcsfxUp; MGCSFXDialog(0); }
#endif
}
}
}
}
break;
case ReparentNotify: {
XReparentEvent *reparent_event = (XReparentEvent *) event;
if (DEBUG) {
fprintf(stderr,"Reparent: mainW=%x ->win=%x ->ev=%x ->parent=%x ",
(u_int) mainW, (u_int) reparent_event->window,
(u_int) reparent_event->event, (u_int) reparent_event->parent);
fprintf(stderr,"%d,%d\n", reparent_event->x, reparent_event->y);
}
if (reparent_event->window == mainW) {
ch_offx = reparent_event->x; /* offset required for ChangeAttr call */
ch_offy = reparent_event->y;
p_offx = p_offy = 0; /* topleft correction for WMs titlebar */
if (ch_offx == 0 && ch_offy == 0) {
/* looks like the user is running MWM or OLWM */
XWindowAttributes xwa;
/* first query the attributes of mainW. x,y should be the offset
from the parent's topleft corner to the windows topleft.
OLWM puts the info here */
XSync(theDisp, False);
XGetWindowAttributes(theDisp, mainW, &xwa);
if (DEBUG)
fprintf(stderr,"XGetAttr: mainW %d,%d %dx%d\n", xwa.x, xwa.y,
xwa.width, xwa.height);
if (xwa.x == 0 && xwa.y == 0) {
/* MWM, at least mine, puts 0's in those fields. To get the
info, we'll have to query the parent window */
XSync(theDisp, False);
XGetWindowAttributes(theDisp, reparent_event->parent, &xwa);
if (DEBUG)
fprintf(stderr,"XGetAttr: parent %d,%d %dx%d\n", xwa.x, xwa.y,
xwa.width, xwa.height);
}
else {
/* KLUDGE: if we're running olwm, xwa.{x,y} won't be 0,0.
in olwm, the window drifts down and right each time
SetWindowPos() is called. God knows why. Anyway, I'm
inserting a kludge here to increase 'ch_offx' and 'ch_offy'
by bwidth so that this drifting won't happen. No doubt this'll
screw up behavior on some *other* window manager, but it should
work with TWM, OLWM, and MWM (the big three) */
ch_offx += bwidth;
ch_offy += bwidth;
}
p_offx = xwa.x;
p_offy = xwa.y;
}
/* Gather info to keep right border inside */
{
Window current;
Window root_r;
Window parent_r;
Window *children_r;
unsigned int nchildren_r;
XWindowAttributes xwa;
parent_r=mainW;
current=mainW;
do {
current=parent_r;
XQueryTree(theDisp, current, &root_r, &parent_r,
&children_r, &nchildren_r);
if (children_r!=NULL) {
XFree(children_r);
}
} while (parent_r!=root_r && parent_r!=vrootW);
XGetWindowAttributes(theDisp, current, &xwa);
debkludge_offx = eWIDE-xwa.width+p_offx;
debkludge_offy = eHIGH-xwa.height+p_offy;
}
#if 0
/* FIXME: if we want to do this, we first have to wait for a configure
* notify to avoid a race condition because the location might be in-
* correct if the window manager does placement after managing the window.
*/
/* move window around a bit... */
{
XWindowAttributes xwa;
GetWindowPos(&xwa);
xwa.width = eWIDE; xwa.height = eHIGH;
/* try to keep the damned thing on-screen, if possible */
if (xwa.x + xwa.width > vrWIDE) xwa.x = vrWIDE - xwa.width;
if (xwa.y + xwa.height > vrHIGH) xwa.y = vrHIGH - xwa.height;
if (xwa.x < 0) xwa.x = 0;
if (xwa.y < 0) xwa.y = 0;
SetWindowPos(&xwa);
}
#endif
}
}
break;
case EnterNotify:
case LeaveNotify: {
XCrossingEvent *cross_event = (XCrossingEvent *) event;
if (cross_event->window == mainW || 0
/* (cross_event->window == gamW && cmapInGam) */ ) {
if (cross_event->type == EnterNotify && cross_event->window == mainW) {
zoomCurs(cross_event->state);
}
if (cross_event->type == EnterNotify && LocalCmap && !ninstall)
XInstallColormap(theDisp,LocalCmap);
if (cross_event->type == LeaveNotify && LocalCmap && !ninstall)
XUninstallColormap(theDisp,LocalCmap);
}
}
break;
case SelectionClear: {
XSelectionClearEvent const *xsclr = &event->xselectionclear;
if (xsclr->window == ctrlW) {
if (xsclr->selection == XA_PRIMARY) {
InactivateDirW();
} else {
}
}
}
break;
case SelectionRequest:
{
XSelectionRequestEvent const *xsrevt = &event->xselectionrequest;
char const *text;
if (xsrevt->owner == ctrlW) {
if (xsrevt->selection != XA_PRIMARY ||
xsrevt->target != XA_STRING) { /* can't do it. */
text = NULL;
}
text = xevPriSel ? xevPriSel : "";
} else if (xsrevt->owner == dirW) {
if (xsrevt->target != XA_STRING) {
text = NULL; /* we don't handle any other format */
}
text = TextOfSelection(xsrevt->selection);
} else {
text = NULL; /* other windows don't have selections */
}
SendSelection(xsrevt->selection, xsrevt->requestor, xsrevt->property, xsrevt->target, xsrevt->time, text);
}
break;
default: break; /* ignore unexpected events */
} /* switch */
#ifdef HAVE_XRR
if (event->type == RRevent_number + RRScreenChangeNotify) {
XRRUpdateConfiguration(event);
XSync (theDisp, False);
xrr_event = (XRRScreenChangeNotifyEvent *)event;
screen = XRRRootToScreen(theDisp, xrr_event->window);
dispWIDE = DisplayWidth(theDisp, screen);
dispHIGH = DisplayHeight(theDisp, screen);
maxWIDE = vrWIDE = dispWIDE; maxHIGH = vrHIGH = dispHIGH;
HandleDispMode();
}
#endif
frominterrupt = 0;
*donep = done;
return(retval);
}
/***********************************/
extern void SendSelection(selection, requestor, property, target, time, text)
Atom selection;
Window requestor;
Atom property;
Atom target;
Time time;
char const *text;
{
XSelectionEvent xse;
if (property == None)
xse.property = target;
else
xse.property = property;
if (text) {
xerrcode = 0;
XChangeProperty(theDisp, requestor, xse.property,
XA_STRING, 8, PropModeReplace,
(byte *)text,
(int)(strlen(text)+1));
XSync(theDisp, False);
if (xerrcode) xse.property = None;
} else {
xse.property = None; /* we have anything to return */
}
xse.type = SelectionNotify;