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Functions name says it all, it is only implement for Spice, checking
for webdav channel presence.
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See properties comments for details.
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virt_viewer_session_on_monitor_geometry_changed() gets called
immediately upon agent connection, but sometimes this is before any
displays have been received. Simply return early when this is the case.
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When using a custom fullscreen display configuration, it's possible to
specify that e.g. a single screen should be fullscreen on client
monitor #4. Since we send down absolute positions and disable alignment
when all windows are in fullscreen, we can send configurations with a
very large offset to the top-left corner. This could result in the guest
trying to create a screen that was much larger than necessary. For
example when sending a configuration of 1280x1024+4240+0, the guest
would need to allocate a screen of size 5520x1024, which might fail if
video memory was too low. To avoid this issue, we shift all displays
so that the minimum X coordinate for all screens is at x=0, and the
minimum y coordinate is at y=0.
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We have to force displays to update geometry when the agent connects to
ensure the client will have the guest with the right resolution when the
guest has rebooted or the agent has crashed.
https://bugzilla.redhat.com/sho_bug.cgi?id=1021841
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It may be useful to provide more detailed reason for disconnection.
https://bugzilla.redhat.com/show_bug.cgi?id=1115986
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Declaring a local variable as part as a for loop
such as 'for (unsigned int i; i < N; i++)' is a C99 specific feature.
Running configure with --enable-compile-warnings=minimal does not add
-std=c99 to the compile flags, so it's better if the codebase does not
require C99 support from the compiler.
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It's possible to have only display N enabled without having all of the displays
before it. I experienced this a couple times with a windows guest where display
1 would show up before display 0 and we'd hit a warning that nth is not less
than nmonitors. So find the highest display ID and then create an array of that
size, leaving missing displays initialized to 0
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Don't rely on spice-gtk to do any alignment of displays. This patch sets the
disable-display-align property on the SpiceMainChannel, and makes the
VirtViewerSession in charge of doing all alignment. This means that every
display has to tell the VirtViewerSession when its "virtual monitor" has changed
configuration (and wants to reconfigure its display on the guest), rather than
sending it directly to the Main Channel. The session will then align the
displays (if necessary), and the spice session will send down new configuration
for all displays at once. This solves a couple of problems:
1. It allows the session to send down absolute coordinates only in the case
where *all* windows are fullscreen (so that we can still support
vertically-stacked displays, etc). But it auto-aligns displays if only a
subset of the displays are in fullscreen mode. This solves the problem of
overlapping regions on different displays when one monitor is in fullscreen
because only one monitor's configuration was updated and the others were not
aligned.
2. Allows us to always align based on the current position of each display. This
contrasts with the earlier behavior where the position used for alignment was
the window's position at the time when it was last resized. This caused
displays to be arranged in a seemingly non-deterministic manner if one window
was moved and then another window was resized (causing a display
re-configuration).
Solves rhbz#1002156
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This property will be set to TRUE when a software smartcard reader
is available, and FALSE otherwise. This property can only be TRUE
when using SPICE and when smartcard support is enabled, and when
both smartcard certificates and smartcard db directory are set.
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Before this patch-set virt-viewer was calling spice_session_has_channel_type(
session, SPICE_CHANNEL_USBREDIR) from the session-initialized signal handler,
So as soon as the display channel gets added to the session, the check was
done. This causes the check to return FALSE for usbredir capable vms if
the usbredir channel(s) get added to the session after the display channed.
This patch refactors things to not depend on channel creation order.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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If VirtViewerSession:file is set, it should be used to define the
connection parameters. Also correct the mime type used in this case.
The mime type is needed to identify the kind of resources we are
adding to the recent list. The recent list can then be filtered and
various application handling that type may attempt to access that
resource.
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Rebuild menu when agent is connected. Only when the agent is running
may a display be enabled/disabled.
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In virt_viewer_session_spice_display_monitors(), we (re)add the
display unconditionnaly every time we receive a new MonitorConfig.
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When clicking the close button on a virt-viewer window with
a VNC session open, while the VNC session terminates, the
window does not go away.
The problem is that the virt_viewer_session_vnc_disconnected
method never gets invoked. The close button triggers a call
to virt_viewer_session_clear_displays which unrefs the
VirtViewerDisplayVnc instance. This in turn triggers a call
to gtk_container_destroy, which destroys all widgets it
contains, ie the VncDisplay * object.
With the VncDisplay object in its dispose phase, no signals
will ever be emitted, thus the 'vnc-disconnected' signal
never gets seen.
The design issue is that VirtViewerDisplayVnc is assuming
it owns the VncDisplay, whereas in fact the real owner is
the VirtViewerSessionVnc object.
The solution is to introduce a new virt_viewer_display_close
method which can be used to de-parent the widget before
VirtViewerDisplay is unref'd.
The VirtViewerSessionVnc object also needs to hold a full ref
on the VncDisplay object, not merely a floating reference
* virt-viewer-display-spice.c, virt-viewer-display.c,
virt-viewer-display.h: Add virt_viewer_display_close
* virt-viewer-display-vnc.c: Deparent VNC widget in
virt_viewer_display_close impl
* virt-viewer-session-vnc.c: Improve logging
* virt-viewer-session.c: Call virt_viewer_display_close
before unrefing display
* virt-viewer-window.c: Improve logging
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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If the user doesn't provide URI, let's show a simple dialog to enter it.
Also save & list recently used URLs in that dialog.
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- auto-conf is an optionnal argument to --fullscreen:
it will set the guest display configuration to match the client
display configuration, by sending the client monitors size and
position to capable guests.
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To facilitate introduction of multi-head support, pull some of
the VirtViewerDisplay class out into a new VirtViewerSession
class.
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