int EventToSquare P((int x, int limit));
void DrawSquare P((int row, int column, ChessSquare piece, int do_flash));
void EventProc P((Widget widget, caddr_t unused, XEvent *event));
+void DelayedDrag P((void));
void MoveTypeInProc P((Widget widget, caddr_t unused, XEvent *event));
void HandleUserMove P((Widget w, XEvent *event,
String *prms, Cardinal *nprms));
}
extern Widget engineOutputShell;
+int frameX, frameY;
void
GetActualPlacement (Widget wg, WindowPlacement *wp)
Arg args[16];
Dimension w, h;
Position x, y;
- int i;
+ XWindowAttributes winAt;
+ Window win, dummy;
+ int i, rx, ry;
if(!wg) return;
- i = 0;
- XtSetArg(args[i], XtNx, &x); i++;
- XtSetArg(args[i], XtNy, &y); i++;
- XtSetArg(args[i], XtNwidth, &w); i++;
- XtSetArg(args[i], XtNheight, &h); i++;
- XtGetValues(wg, args, i);
- wp->x = x - 4;
- wp->y = y - 23;
- wp->height = h;
- wp->width = w;
+ win = XtWindow(wg);
+ XGetWindowAttributes(xDisplay, win, &winAt); // this works, where XtGetValues on XtNx, XtNy does not!
+ XTranslateCoordinates (xDisplay, win, winAt.root, -winAt.border_width, -winAt.border_width, &rx, &ry, &dummy);
+ wp->x = rx - winAt.x;
+ wp->y = ry - winAt.y;
+ wp->height = winAt.height;
+ wp->width = winAt.width;
+ frameX = winAt.x; frameY = winAt.y; // remember to decide if windows touch
}
void
shellArgs[4].value = shellArgs[2].value = w;
shellArgs[5].value = shellArgs[3].value = h;
XtSetValues(shellWidget, &shellArgs[0], 6);
+
+ XSync(xDisplay, False);
+ DelayedDrag();
}
// [HGM] pieces: tailor piece bitmaps to needs of specific variant
}
}
oldMono = -10; // kludge to force recreation of animation masks
+ oldVariant = gameInfo.variant;
}
#if HAVE_LIBXPM
if(appData.monoMode != oldMono)
/* end why */
XtAddEventHandler(formWidget, KeyPressMask, False,
(XtEventHandler) MoveTypeInProc, NULL);
+ XtAddEventHandler(shellWidget, StructureNotifyMask, False,
+ (XtEventHandler) EventProc, NULL);
/* [AS] Restore layout */
if( wpMoveHistory.visible ) {
}
}
+double
+Fraction (int x, int start, int stop)
+{
+ double f = ((double) x - start)/(stop - start);
+ if(f > 1.) f = 1.; else if(f < 0.) f = 0.;
+ return f;
+}
+
+static WindowPlacement wpNew;
+
+void
+CoDrag (Widget sh, WindowPlacement *wp)
+{
+ Arg args[16];
+ int j=0, touch=0, fudge = 2;
+ GetActualPlacement(sh, wp);
+ if(abs(wpMain.x + wpMain.width + 2*frameX - wp->x) < fudge) touch = 1; else // right touch
+ if(abs(wp->x + wp->width + 2*frameX - wpMain.x) < fudge) touch = 2; else // left touch
+ if(abs(wpMain.y + wpMain.height + frameX + frameY - wp->y) < fudge) touch = 3; else // bottom touch
+ if(abs(wp->y + wp->height + frameX + frameY - wpMain.y) < fudge) touch = 4; // top touch
+ if(!touch ) return; // only windows that touch co-move
+ if(touch < 3 && wpNew.height != wpMain.height) { // left or right and height changed
+ int heightInc = wpNew.height - wpMain.height;
+ double fracTop = Fraction(wp->y, wpMain.y, wpMain.y + wpMain.height + frameX + frameY);
+ double fracBot = Fraction(wp->y + wp->height + frameX + frameY + 1, wpMain.y, wpMain.y + wpMain.height + frameX + frameY);
+ wp->y += fracTop * heightInc;
+ heightInc = (int) (fracBot * heightInc) - (int) (fracTop * heightInc);
+ if(heightInc) XtSetArg(args[j], XtNheight, wp->height + heightInc), j++;
+ } else if(touch > 2 && wpNew.width != wpMain.width) { // top or bottom and width changed
+ int widthInc = wpNew.width - wpMain.width;
+ double fracLeft = Fraction(wp->x, wpMain.x, wpMain.x + wpMain.width + 2*frameX);
+ double fracRght = Fraction(wp->x + wp->width + 2*frameX + 1, wpMain.x, wpMain.x + wpMain.width + 2*frameX);
+ wp->y += fracLeft * widthInc;
+ widthInc = (int) (fracRght * widthInc) - (int) (fracLeft * widthInc);
+ if(widthInc) XtSetArg(args[j], XtNwidth, wp->width + widthInc), j++;
+ }
+ wp->x += wpNew.x - wpMain.x;
+ wp->y += wpNew.y - wpMain.y;
+ if(touch == 1) wp->x += wpNew.width - wpMain.width; else
+ if(touch == 3) wp->y += wpNew.height - wpMain.height;
+ XtSetArg(args[j], XtNx, wp->x); j++;
+ XtSetArg(args[j], XtNy, wp->y); j++;
+ XtSetValues(sh, args, j);
+}
+
+void
+DragProc ()
+{
+ GetActualPlacement(shellWidget, &wpNew);
+ if(wpNew.x == wpMain.x && wpNew.y == wpMain.y && // not moved
+ wpNew.width == wpMain.width && wpNew.height == wpMain.height) // not sized
+ return; // false alarm
+ if(EngineOutputIsUp()) CoDrag(engineOutputShell, &wpEngineOutput);
+ if(MoveHistoryIsUp()) CoDrag(shells[7], &wpMoveHistory);
+ if(EvalGraphIsUp()) CoDrag(evalGraphShell, &wpEvalGraph);
+ if(GameListIsUp()) CoDrag(gameListShell, &wpGameList);
+ wpMain = wpNew;
+ XDrawPosition(boardWidget, True, NULL);
+}
+
+
+void
+DelayedDrag ()
+{
+ static XtIntervalId delayedDragID = 0;
+ if(delayedDragID) XtRemoveTimeOut(delayedDragID); // cancel pending
+ delayedDragID =
+ XtAppAddTimeOut(appContext, 50, (XtTimerCallbackProc) DragProc, (XtPointer) 0); // and schedule new one 50 msec later
+}
/* Why is this needed on some versions of X? */
void
{
if (!XtIsRealized(widget))
return;
-
switch (event->type) {
+ case ConfigureNotify: // main window is being dragged: drag attached windows with it
+ if(appData.useStickyWindows)
+ DelayedDrag(); // as long as events keep coming in faster than 50 msec, they destroy each other
+ break;
case Expose:
if (event->xexpose.count > 0) return; /* no clipping is done */
XDrawPosition(widget, True, NULL);
projects / xboard.git / blobdiff