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Add hack to wait a while for visibility events when checking style offsets.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@23626 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2006-09-26 12:58:34 +00:00
parent 9b0cac8c46
commit f21f913f53
2 changed files with 48 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-09-26 Richard Frith-Macdonald <rfm@gnu.org>
* Source/x11/XGServerWindow.m: Add more debug for checking style
offsets. Wait for up to a second for visibility events in case
XSync() does not work to ensure we receive them.
2006-09-25 Richard Frith-Macdonald <rfm@gnu.org>
* Headers/x11/XGGeneric.h: Extra fielkd to flag when style offsets

44
Source/x11/XGServerWindow.m
View file

@ -32,6 +32,7 @@
#include <Foundation/NSAutoreleasePool.h>
#include <Foundation/NSDebug.h>
#include <Foundation/NSException.h>
#include <Foundation/NSThread.h>
#include <AppKit/DPSOperators.h>
#include <AppKit/NSApplication.h>
#include <AppKit/NSCursor.h>
@ -580,7 +581,7 @@ static void setWindowHintsForStyle (Display *dpy, Window window,
window->xwn_attrs.save_under = False;
window->xwn_attrs.override_redirect = False;
window->map_state = IsUnmapped;
window->visibility = -1;
window->visibility = 2;
// Create an X GC for the content view set it's colors
values.foreground = window->xwn_attrs.background_pixel;
@ -690,13 +691,48 @@ static void setWindowHintsForStyle (Display *dpy, Window window,
[self orderwindow: NSWindowAbove : 0 : window->number];
XSync(dpy, False);
while (XPending(dpy) > 0)
while (XPending(dpy) > 0 || window->visibility > 1)
{
if (XPending(dpy) == 0)
{
NSDate *until;
/* In theory, after executing XSync() all events resulting from
* our window creation and ordering front should be available in
* the X event queue. However, it's possible that a window manager
* could send soime events after the XSync() has been satisfied,
* so if we have not received a visibility notification we can wait
* for up to a second for more events.
*/
until = [NSDate dateWithTimeIntervalSinceNow: 1.0];
while (XPending(dpy) == 0 && [until timeIntervalSinceNow] > 0.0)
{
CREATE_AUTORELEASE_POOL(pool);
[NSThread sleepUntilDate:
[NSDate dateWithTimeIntervalSinceNow: 0.01]];
DESTROY(pool);
}
if (XPending(dpy) == 0)
{
NSLog(@"Waited for a second, but the X system never"
@" made the window visible");
break;
}
}
XNextEvent(dpy, &xEvent);
NSDebugLLog(@"Offset", @"Testing ... event %d window %d\n",
xEvent.type, xEvent.xany.window);
if (xEvent.xany.window != window->ident)
{
continue;
}
switch (xEvent.type)
{
case VisibilityNotify:
window->visibility = xEvent.xvisibility.state;
break;
case ReparentNotify:
NSDebugLLog(@"Offset", @"%d ReparentNotify - offset %d %d\n",
xEvent.xreparent.window, xEvent.xreparent.x,
@ -820,6 +856,10 @@ static void setWindowHintsForStyle (Display *dpy, Window window,
XNextEvent(dpy, &xEvent);
NSDebugLLog(@"Offset", @"Destroying ... event %d window %d\n",
xEvent.type, xEvent.xany.window);
if (xEvent.xany.window != window->ident)
{
continue;
}
}
if (generic.offsets[style].known == NO)
{