Skipping a display does not have an effect because displays will be
reconfigured and shifted on the guest side anyway.
these monitor mappings are not valid:
'monitor-mapping=1:2;3:1' - display #2 is not specified
'monitor-mapping=4:2;2:1' - displays #1, #3 are not specified
'monitor-mapping=3:3' - displays #1, #2 are not specified
Related: rhbz#1212802
---
v5: - updated man pages
---
man/remote-viewer.pod | 4 ++++
man/virt-viewer.pod | 4 ++++
src/virt-viewer-app.c | 9 +++++++++
3 files changed, 17 insertions(+)
diff --git a/man/remote-viewer.pod b/man/remote-viewer.pod
index 00b474c..eb85532 100644
--- a/man/remote-viewer.pod
+++ b/man/remote-viewer.pod
@@ -332,6 +332,10 @@ guest with a UUID of e4591275-d9d3-4a44-a18b-ef2fbc8ac3e2, use:
[e4591275-d9d3-4a44-a18b-ef2fbc8ac3e2]
monitor-mapping=1:2;2:3
+The monitor-mapping must contain ids of all displays from 1 to the last
+desired display id, e.g. "monitor-mapping=3:3" is invalid because mappings
+for displays 1 and 2 are not specified.
+
=head1 EXAMPLES
To connect to SPICE server on host "makai" with port 5900
diff --git a/man/virt-viewer.pod b/man/virt-viewer.pod
index aaf9eff..ca1c9e8 100644
--- a/man/virt-viewer.pod
+++ b/man/virt-viewer.pod
@@ -151,6 +151,10 @@ guest with a UUID of e4591275-d9d3-4a44-a18b-ef2fbc8ac3e2, use:
[e4591275-d9d3-4a44-a18b-ef2fbc8ac3e2]
monitor-mapping=1:2;2:3
+The monitor-mapping must contain ids of all displays from 1 to the last
+desired display id, e.g. "monitor-mapping=3:3" is invalid because mappings
+for displays 1 and 2 are not specified.
+
=head1 EXAMPLES
To connect to the guest called 'demo' running under Xen
diff --git a/src/virt-viewer-app.c b/src/virt-viewer-app.c
index b22a876..8a08b6b 100644
--- a/src/virt-viewer-app.c
+++ b/src/virt-viewer-app.c
@@ -370,6 +370,7 @@ virt_viewer_app_parse_monitor_mappings(gchar **mappings, gsize nmappings)
GHashTable *displaymap = g_hash_table_new(g_direct_hash, g_direct_equal);
GHashTable *monitormap = g_hash_table_new(g_direct_hash, g_direct_equal);
int i = 0;
+ int max_display_id = 0;
gchar **tokens = NULL;
for (i = 0; i < nmappings; i++) {
@@ -414,6 +415,14 @@ virt_viewer_app_parse_monitor_mappings(gchar **mappings, gsize nmappings)
g_debug("Fullscreen config: mapping guest display %i to monitor %i", display, monitor);
g_hash_table_insert(displaymap, GINT_TO_POINTER(display), GINT_TO_POINTER(monitor));
g_hash_table_insert(monitormap, GINT_TO_POINTER(monitor), GINT_TO_POINTER(display));
+ max_display_id = MAX(display, max_display_id);
+ }
+ }
+
+ for (i = 0; i < max_display_id; i++) {
+ if (!g_hash_table_lookup_extended(displaymap, GINT_TO_POINTER(i), NULL, NULL)) {
+ g_warning("Invalid monitor-mapping configuration: display #%d was not specified", i+1);
+ goto configerror;
}
}
--
2.4.0
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