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Fixed up scrolling a little

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This commit is contained in:
rods 1998-06-18 15:59:51 +00:00
parent ae52de0a8d
commit ba0acbdfc5
2 changed files with 50 additions and 10 deletions
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26
widget/src/motif/nsWindow.cpp
View File

@ -384,7 +384,7 @@ void nsWindow::InitCallbacks(char * aName)
XtAddEventHandler(mWidget,
ExposureMask,
PR_FALSE,
PR_TRUE,
nsXtWidget_ExposureMask_EventHandler,
this);
@ -829,19 +829,29 @@ void nsWindow::Scroll(PRInt32 aDx, PRInt32 aDy, nsRect *aClipRect)
aClipRect->x, aClipRect->y,
aClipRect->XMost(), aClipRect->YMost(), aDx, aDy);
if (DBG)printf("Clipping %d %d %d %d\n", aClipRect->x, aClipRect->y,aClipRect->XMost(), aClipRect->YMost());
if (DBG)printf("Forcing repaint %d %d %d %d\n", mBounds.x, mBounds.y, mBounds.width, mBounds.height);
#if 0
#if 1
XEvent evt;
evt.xgraphicsexpose.type = GraphicsExpose;
evt.xgraphicsexpose.send_event = False;
evt.xgraphicsexpose.display = display;
evt.xgraphicsexpose.drawable = win;
evt.xgraphicsexpose.x = mBounds.x;
evt.xgraphicsexpose.y = mBounds.y;
evt.xgraphicsexpose.width = mBounds.width;
evt.xgraphicsexpose.height = mBounds.height;
if (aDy < 0) {
evt.xgraphicsexpose.x = 0;
evt.xgraphicsexpose.y = mBounds.height+aDy;
evt.xgraphicsexpose.width = mBounds.width;
evt.xgraphicsexpose.height = -aDy;
} else {
evt.xgraphicsexpose.x = 0;
evt.xgraphicsexpose.y = 0;
evt.xgraphicsexpose.width = mBounds.width;
evt.xgraphicsexpose.height = aDy;
}
evt.xgraphicsexpose.count = 0;
if (DBG) printf("Forcing repaint %d %d %d %d\n", evt.xgraphicsexpose.x,
evt.xgraphicsexpose.y,
evt.xgraphicsexpose.width,
evt.xgraphicsexpose.height);
XSendEvent(display, win, False, ExposureMask, &evt);
XFlush(display);
#endif

34
widget/src/motif/nsXtEventHandler.cpp
View File

@ -145,9 +145,37 @@ void nsXtWidget_ExposureMask_EventHandler(Widget w, XtPointer p, XEvent * event,
pevent.rect = (nsRect *)&rect;
XEvent xev;
rect.x = event->xexpose.x;
rect.y = event->xexpose.y;
rect.width = event->xexpose.width;
rect.height = event->xexpose.height;
//printf("Expose (%d %d %d %d)\n", event->xexpose.x, event->xexpose.y,
//event->xexpose.width, event->xexpose.height);
if (widgetWindow->GetResized())
return;
if (event->type == NoExpose) {
return;
}
Display* display = XtDisplay(w);
Window window = XtWindow(w);
XSync(display, FALSE);
while (XCheckTypedWindowEvent(display, window, Expose, &xev) == TRUE) {
rect.x = xev.xexpose.x;
rect.y = xev.xexpose.y;
rect.width = xev.xexpose.width;
rect.height = xev.xexpose.height;
//printf("rect %d %d %d %d\n", rect.x, rect.y, rect.width, rect.height);
//fe_expose_eh(drawing_area, (XtPointer)context, &xev);
}
#if 0
int count = 0;
while (XPeekEvent(XtDisplay(w), &xev))
{
@ -156,11 +184,13 @@ void nsXtWidget_ExposureMask_EventHandler(Widget w, XtPointer p, XEvent * event,
XNextEvent(XtDisplay(w), &xev);
count++;
} else {
if (DBG) printf("Ate %d events\n", count);
// if (DBG)
printf("Ate %d events\n", count);
break;
}
}
#endif
if (DBG) printf("Calling OnPaint (%d %d %d %d)\n", rect.x, rect.y, rect.width, rect.height);
widgetWindow->OnPaint(pevent);
#if 0