[virt-tools-list] [PATCH virt-viewer 16/25] Hook up handling of Monitors
Marc-André Lureau
marcandre.lureau at gmail.com
Tue Jul 17 19:24:58 UTC 2012
Rely on spice-gtk display channel monitors property to manage
displays. The same display channel may now provide several monitors,
the SpiceDisplay widget must be told which monitor to display
---
src/virt-viewer-display-spice.c | 20 +++++----
src/virt-viewer-display-spice.h | 2 +-
src/virt-viewer-session-spice.c | 89 ++++++++++++++++++++++++++++++++++-----
3 files changed, 92 insertions(+), 19 deletions(-)
diff --git a/src/virt-viewer-display-spice.c b/src/virt-viewer-display-spice.c
index 53430dd..d06e5cf 100644
--- a/src/virt-viewer-display-spice.c
+++ b/src/virt-viewer-display-spice.c
@@ -172,7 +172,7 @@ virt_viewer_display_spice_size_allocate(VirtViewerDisplaySpice *self,
{
gdouble dw = allocation->width, dh = allocation->height;
guint zoom = 100;
- guint channelid;
+ guint nth;
if (virt_viewer_display_get_auto_resize(VIRT_VIEWER_DISPLAY(self)) == FALSE)
return;
@@ -187,13 +187,11 @@ virt_viewer_display_spice_size_allocate(VirtViewerDisplaySpice *self,
dh /= ((double)zoom / 100.0);
}
- g_object_get(self->priv->channel, "channel-id", &channelid, NULL);
+ g_object_get(self, "nth-display", &nth, NULL);
SpiceMainChannel *main_channel = virt_viewer_session_spice_get_main_channel(
VIRT_VIEWER_SESSION_SPICE(virt_viewer_display_get_session(VIRT_VIEWER_DISPLAY(self))));
- spice_main_set_display(main_channel,
- channelid,
- 0, 0, dw, dh);
+ spice_main_set_display(main_channel, nth, 0, 0, dw, dh);
}
static void
@@ -212,7 +210,8 @@ enable_accel_changed(VirtViewerApp *app,
GtkWidget *
virt_viewer_display_spice_new(VirtViewerSessionSpice *session,
- SpiceChannel *channel)
+ SpiceChannel *channel,
+ gint monitorid)
{
VirtViewerDisplaySpice *self;
VirtViewerApp *app;
@@ -222,15 +221,20 @@ virt_viewer_display_spice_new(VirtViewerSessionSpice *session,
g_return_val_if_fail(SPICE_IS_DISPLAY_CHANNEL(channel), NULL);
g_object_get(channel, "channel-id", &channelid, NULL);
+ // We don't allow monitorid != 0 && channelid != 0
+ g_return_val_if_fail(channelid == 0 || monitorid == 0, NULL);
self = g_object_new(VIRT_VIEWER_TYPE_DISPLAY_SPICE,
"session", session,
- "nth-display", channelid,
+ // either monitorid is always 0 or channelid
+ // is, we can't have display (0, 2) and (2, 0)
+ // for example
+ "nth-display", channelid + monitorid,
NULL);
self->priv->channel = channel;
g_object_get(session, "spice-session", &s, NULL);
- self->priv->display = spice_display_new(s, channelid);
+ self->priv->display = spice_display_new_with_monitor(s, channelid, monitorid);
g_object_unref(s);
virt_viewer_signal_connect_object(self->priv->display, "notify::ready",
diff --git a/src/virt-viewer-display-spice.h b/src/virt-viewer-display-spice.h
index 701ed85..c2013ec 100644
--- a/src/virt-viewer-display-spice.h
+++ b/src/virt-viewer-display-spice.h
@@ -66,7 +66,7 @@ struct _VirtViewerDisplaySpiceClass {
GType virt_viewer_display_spice_get_type(void);
-GtkWidget* virt_viewer_display_spice_new(VirtViewerSessionSpice *session, SpiceChannel *channel);
+GtkWidget* virt_viewer_display_spice_new(VirtViewerSessionSpice *session, SpiceChannel *channel, gint monitorid);
G_END_DECLS
diff --git a/src/virt-viewer-session-spice.c b/src/virt-viewer-session-spice.c
index 6577237..a728cb1 100644
--- a/src/virt-viewer-session-spice.c
+++ b/src/virt-viewer-session-spice.c
@@ -33,6 +33,7 @@
#include "virt-viewer-session-spice.h"
#include "virt-viewer-display-spice.h"
#include "virt-viewer-auth.h"
+#include "virt-glib-compat.h"
#if !GLIB_CHECK_VERSION(2, 26, 0)
#include "gbinding.h"
@@ -414,6 +415,78 @@ agent_connected_changed(SpiceChannel *cmain,
}
static void
+destroy_display(gpointer data)
+{
+ VirtViewerDisplay *display = VIRT_VIEWER_DISPLAY(data);
+ VirtViewerSession *session = virt_viewer_display_get_session(display);
+
+ DEBUG_LOG("Destroying spice display %p", display);
+ virt_viewer_session_remove_display(session, display);
+ g_object_unref(display);
+}
+
+static void
+virt_viewer_session_spice_display_monitors(SpiceChannel *channel,
+ GParamSpec *pspec G_GNUC_UNUSED,
+ VirtViewerSessionSpice *self)
+{
+ GArray *monitors = NULL;
+ GPtrArray *displays = NULL;
+ GtkWidget *display;
+ guint i, monitors_max;
+
+ g_object_get(channel,
+ "monitors", &monitors,
+ "monitors-max", &monitors_max,
+ NULL);
+ g_return_if_fail(monitors != NULL);
+ g_return_if_fail(monitors->len <= monitors_max);
+
+ displays = g_object_get_data(G_OBJECT(channel), "virt-viewer-displays");
+ if (displays == NULL) {
+ displays = g_ptr_array_new();
+ g_ptr_array_set_free_func(displays, destroy_display);
+ g_object_set_data_full(G_OBJECT(channel), "virt-viewer-displays",
+ displays, (GDestroyNotify)g_ptr_array_unref);
+ }
+
+ g_ptr_array_set_size(displays, monitors_max);
+
+ for (i = 0; i < monitors_max; i++) {
+ display = g_ptr_array_index(displays, i);
+ if (display == NULL) {
+ display = virt_viewer_display_spice_new(self, channel, i);
+ DEBUG_LOG("creating spice display (#:%d)", i);
+ g_ptr_array_index(displays, i) = g_object_ref(display);
+ }
+
+ g_object_freeze_notify(G_OBJECT(display));
+ virt_viewer_display_set_enabled(VIRT_VIEWER_DISPLAY(display), FALSE);
+ virt_viewer_session_add_display(VIRT_VIEWER_SESSION(self),
+ VIRT_VIEWER_DISPLAY(display));
+ }
+
+ for (i = 0; i < monitors->len; i++) {
+ SpiceDisplayMonitorConfig *monitor = &g_array_index(monitors, SpiceDisplayMonitorConfig, i);
+ display = g_ptr_array_index(displays, monitor->id);
+ g_return_if_fail(display != NULL);
+
+ if (monitor->width == 0 || monitor->width == 0)
+ continue;
+
+ virt_viewer_display_set_enabled(VIRT_VIEWER_DISPLAY(display), TRUE);
+ virt_viewer_display_set_desktop_size(VIRT_VIEWER_DISPLAY(display),
+ monitor->width, monitor->height);
+ }
+
+ for (i = 0; i < monitors_max; i++)
+ g_object_thaw_notify(g_ptr_array_index(displays, i));
+
+ g_clear_pointer(&monitors, g_array_unref);
+
+}
+
+static void
virt_viewer_session_spice_channel_new(SpiceSession *s,
SpiceChannel *channel,
VirtViewerSession *session)
@@ -441,20 +514,17 @@ virt_viewer_session_spice_channel_new(SpiceSession *s,
g_signal_connect(channel, "notify::agent-connected", G_CALLBACK(agent_connected_changed), self);
agent_connected_changed(channel, NULL, self);
+
+ g_signal_emit_by_name(session, "session-connected");
}
if (SPICE_IS_DISPLAY_CHANNEL(channel)) {
- GtkWidget *display;
-
- g_signal_emit_by_name(session, "session-connected");
+ g_signal_emit_by_name(session, "session-initialized");
- DEBUG_LOG("new display channel (#%d)", id);
- display = virt_viewer_display_spice_new(self, channel);
- g_object_set_data(G_OBJECT(channel), "virt-viewer-display", display);
- virt_viewer_session_add_display(VIRT_VIEWER_SESSION(session),
- VIRT_VIEWER_DISPLAY(display));
+ g_signal_connect(channel, "notify::monitors",
+ G_CALLBACK(virt_viewer_session_spice_display_monitors), self);
- g_signal_emit_by_name(session, "session-initialized");
+ spice_channel_connect(channel);
}
if (SPICE_IS_INPUTS_CHANNEL(channel)) {
@@ -538,7 +608,6 @@ virt_viewer_session_spice_channel_destroy(G_GNUC_UNUSED SpiceSession *s,
if (SPICE_IS_DISPLAY_CHANNEL(channel)) {
VirtViewerDisplay *display = g_object_get_data(G_OBJECT(channel), "virt-viewer-display");
DEBUG_LOG("zap display channel (#%d, %p)", id, display);
- virt_viewer_session_remove_display(session, display);
}
if (SPICE_IS_PLAYBACK_CHANNEL(channel) && self->priv->audio) {
--
1.7.10.4
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