// Disassociate this widget instance and all of its children
// from their X window handles, as the mirror copy in the X
// server has been lost.
internal override void Disassociate()
{
// Perform the basic disassociation tasks first.
base.Disassociate();
// Send a close message and destroy the application group.
try
{
IntPtr d = dpy.Lock();
if (child != XWindow.Zero && !closeEventSent)
{
closeEventSent = true;
Xlib.XSharpSendClose(d, child);
Xlib.XFlush(d);
}
if (group != XAppGroup.Zero)
{
Xlib.XagDestroyApplicationGroup(d, group);
group = XAppGroup.Zero;
}
}
finally
{
dpy.Unlock();
}
// Clean up the child process.
ChildDestroyed();
}
// Constructor.
public AppGroupWidget(Display dpy, Screen screen, XAppGroup group,
EmbeddedApplication parent)
: base(dpy, screen, DrawableKind.Widget, null)
{
embedParent = parent;
handle = (XDrawable)group;
dpy.handleMap[(XWindow)handle] = this;
}
// Called when the child window is destroyed.
private void ChildDestroyed()
{
// Clear the child window and destroy the application group.
child = XWindow.Zero;
try
{
IntPtr d = dpy.Lock();
if (group != XAppGroup.Zero)
{
Xlib.XagDestroyApplicationGroup(d, group);
group = XAppGroup.Zero;
}
}
finally
{
dpy.Unlock();
}
// Wait for the child process to exit properly.
if (process != null && !(process.HasExited))
{
if (!process.WaitForExit(5000))
{
// Process is still alive! Kill it the hard way.
process.Kill();
process = null;
}
}
// Delete the authority file, which we no longer require.
if (authorityFile != null)
{
File.Delete(authorityFile);
authorityFile = null;
}
// Notify subclasses that the child was destroyed.
if (!closeNotifySent)
{
closeNotifySent = true;
OnClose();
}
}
// Constructor.
public AppGroupWidget(Display dpy, Screen screen, XAppGroup group,
EmbeddedApplication parent)
: base(dpy, screen, DrawableKind.Widget, null)
{
embedParent = parent;
handle = (XDrawable)group;
dpy.handleMap[(XWindow)handle] = this;
}
// Disassociate this widget instance and all of its children
// from their X window handles, as the mirror copy in the X
// server has been lost.
internal override void Disassociate()
{
// Perform the basic disassociation tasks first.
base.Disassociate();
// Send a close message and destroy the application group.
try
{
IntPtr d = dpy.Lock();
if(child != XWindow.Zero && !closeEventSent)
{
closeEventSent = true;
Xlib.XSharpSendClose(d, child);
Xlib.XFlush(d);
}
if(group != XAppGroup.Zero)
{
Xlib.XagDestroyApplicationGroup(d, group);
group = XAppGroup.Zero;
}
}
finally
{
dpy.Unlock();
}
// Clean up the child process.
ChildDestroyed();
}
// Called when the child window is destroyed.
private void ChildDestroyed()
{
// Clear the child window and destroy the application group.
child = XWindow.Zero;
try
{
IntPtr d = dpy.Lock();
if(group != XAppGroup.Zero)
{
Xlib.XagDestroyApplicationGroup(d, group);
group = XAppGroup.Zero;
}
}
finally
{
dpy.Unlock();
}
// Wait for the child process to exit properly.
if(process != null && !(process.HasExited))
{
if(!process.WaitForExit(5000))
{
// Process is still alive! Kill it the hard way.
process.Kill();
process = null;
}
}
// Delete the authority file, which we no longer require.
if(authorityFile != null)
{
File.Delete(authorityFile);
authorityFile = null;
}
// Notify subclasses that the child was destroyed.
if(!closeNotifySent)
{
closeNotifySent = true;
OnClose();
}
}
extern public static XStatus XagDestroyApplicationGroup (IntPtr display, XAppGroup app_group);
extern public static XStatus XagCreateEmbeddedApplicationGroup (IntPtr display, XVisualID root_visual, XColormap default_colormap, XPixel black_pixel, XPixel white_pixel, out XAppGroup app_group);
